1 /**
2  * \file tex2lyx/text.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author André Pönitz
7  * \author Jean-Marc Lasgouttes
8  * \author Uwe Stöhr
9  *
10  * Full author contact details are available in file CREDITS.
11  */
12 
13 // {[(
14 
15 #include <config.h>
16 
17 #include "tex2lyx.h"
18 
19 #include "Context.h"
20 #include "Encoding.h"
21 #include "FloatList.h"
22 #include "LaTeXPackages.h"
23 #include "Layout.h"
24 #include "Length.h"
25 #include "Preamble.h"
26 
27 #include "insets/ExternalTemplate.h"
28 
29 #include "support/lassert.h"
30 #include "support/convert.h"
31 #include "support/FileName.h"
32 #include "support/filetools.h"
33 #include "support/lstrings.h"
34 #include "support/lyxtime.h"
35 
36 #include <algorithm>
37 #include <iostream>
38 #include <map>
39 #include <sstream>
40 #include <vector>
41 
42 using namespace std;
43 using namespace lyx::support;
44 
45 namespace lyx {
46 
47 
48 namespace {
49 
50 void output_arguments(ostream &, Parser &, bool, bool, string, Context &,
51                       Layout::LaTeXArgMap const &);
52 
53 }
54 
55 
parse_text_in_inset(Parser & p,ostream & os,unsigned flags,bool outer,Context const & context,InsetLayout const * layout,string const rdelim)56 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
57 		Context const & context, InsetLayout const * layout,
58 		string const rdelim)
59 {
60 	bool const forcePlainLayout =
61 		layout ? layout->forcePlainLayout() : false;
62 	Context newcontext(true, context.textclass);
63 	if (forcePlainLayout)
64 		newcontext.layout = &context.textclass.plainLayout();
65 	else
66 		newcontext.font = context.font;
67 	if (layout)
68 		output_arguments(os, p, outer, false, string(), newcontext,
69 		                 layout->latexargs());
70 	// If we have a latex param, we eat it here.
71 	if (!context.latexparam.empty()) {
72 		ostringstream oss;
73 		Context dummy(true, context.textclass);
74 		parse_text(p, oss, FLAG_RDELIM, outer, dummy,
75 			   string(1, context.latexparam.back()));
76 	}
77 	parse_text(p, os, flags, outer, newcontext, rdelim);
78 	if (layout)
79 		output_arguments(os, p, outer, false, "post", newcontext,
80 		                 layout->postcommandargs());
81 	newcontext.check_end_layout(os);
82 }
83 
84 
85 namespace {
86 
parse_text_in_inset(Parser & p,ostream & os,unsigned flags,bool outer,Context const & context,string const & name,string const rdelim=string ())87 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
88 		Context const & context, string const & name,
89 		string const rdelim = string())
90 {
91 	InsetLayout const * layout = 0;
92 	DocumentClass::InsetLayouts::const_iterator it =
93 		context.textclass.insetLayouts().find(from_ascii(name));
94 	if (it != context.textclass.insetLayouts().end())
95 		layout = &(it->second);
96 	parse_text_in_inset(p, os, flags, outer, context, layout, rdelim);
97 }
98 
99 /// parses a paragraph snippet, useful for example for \\emph{...}
parse_text_snippet(Parser & p,ostream & os,unsigned flags,bool outer,Context & context)100 void parse_text_snippet(Parser & p, ostream & os, unsigned flags, bool outer,
101 		Context & context)
102 {
103 	Context newcontext(context);
104 	// Don't inherit the paragraph-level extra stuff
105 	newcontext.par_extra_stuff.clear();
106 	parse_text(p, os, flags, outer, newcontext);
107 	// Make sure that we don't create invalid .lyx files
108 	context.need_layout = newcontext.need_layout;
109 	context.need_end_layout = newcontext.need_end_layout;
110 }
111 
112 
113 /*!
114  * Thin wrapper around parse_text_snippet() using a string.
115  *
116  * We completely ignore \c context.need_layout and \c context.need_end_layout,
117  * because our return value is not used directly (otherwise the stream version
118  * of parse_text_snippet() could be used). That means that the caller needs
119  * to do layout management manually.
120  * This is intended to parse text that does not create any layout changes.
121  */
parse_text_snippet(Parser & p,unsigned flags,const bool outer,Context & context)122 string parse_text_snippet(Parser & p, unsigned flags, const bool outer,
123 		  Context & context)
124 {
125 	Context newcontext(context);
126 	newcontext.need_layout = false;
127 	newcontext.need_end_layout = false;
128 	newcontext.new_layout_allowed = false;
129 	// Avoid warning by Context::~Context()
130 	newcontext.par_extra_stuff.clear();
131 	ostringstream os;
132 	parse_text_snippet(p, os, flags, outer, newcontext);
133 	return os.str();
134 }
135 
136 string fboxrule = "";
137 string fboxsep = "";
138 string shadow_size = "";
139 
140 char const * const known_ref_commands[] = { "ref", "pageref", "vref",
141  "vpageref", "prettyref", "nameref", "eqref", 0 };
142 
143 char const * const known_coded_ref_commands[] = { "ref", "pageref", "vref",
144  "vpageref", "formatted", "nameref", "eqref", 0 };
145 
146 char const * const known_refstyle_commands[] = { "algref", "chapref", "corref",
147  "eqref", "enuref", "figref", "fnref", "lemref", "parref", "partref", "propref",
148  "secref", "subsecref", "tabref", "thmref", 0 };
149 
150 char const * const known_refstyle_prefixes[] = { "alg", "chap", "cor",
151  "eq", "enu", "fig", "fn", "lem", "par", "part", "prop",
152  "sec", "subsec", "tab", "thm", 0 };
153 
154 
155 /**
156  * supported CJK encodings
157  * JIS does not work with LyX's encoding conversion
158  */
159 const char * const supported_CJK_encodings[] = {
160 "EUC-JP", "KS", "GB", "UTF8",
161 "Bg5", /*"JIS",*/ "SJIS", 0};
162 
163 /**
164  * the same as supported_CJK_encodings with their corresponding LyX language name
165  * FIXME: The mapping "UTF8" => "chinese-traditional" is only correct for files
166  *        created by LyX.
167  * NOTE: "Bg5", "JIS" and "SJIS" are not supported by LyX, on re-export the
168  *       encodings "UTF8", "EUC-JP" and "EUC-JP" will be used.
169  * please keep this in sync with supported_CJK_encodings line by line!
170  */
171 const char * const supported_CJK_languages[] = {
172 "japanese-cjk", "korean", "chinese-simplified", "chinese-traditional",
173 "chinese-traditional", /*"japanese-cjk",*/ "japanese-cjk", 0};
174 
175 /*!
176  * natbib commands.
177  * The starred forms are also known except for "citefullauthor",
178  * "citeyear" and "citeyearpar".
179  */
180 char const * const known_natbib_commands[] = { "cite", "citet", "citep",
181 "citealt", "citealp", "citeauthor", "citeyear", "citeyearpar",
182 "citefullauthor", "Citet", "Citep", "Citealt", "Citealp", "Citeauthor", 0 };
183 
184 /*!
185  * jurabib commands.
186  * No starred form other than "cite*" known.
187  */
188 char const * const known_jurabib_commands[] = { "cite", "citet", "citep",
189 "citealt", "citealp", "citeauthor", "citeyear", "citeyearpar",
190 // jurabib commands not (yet) supported by LyX:
191 // "fullcite",
192 // "footcite", "footcitet", "footcitep", "footcitealt", "footcitealp",
193 // "footciteauthor", "footciteyear", "footciteyearpar",
194 "citefield", "citetitle", 0 };
195 
196 /*!
197  * biblatex commands.
198  * Known starred forms: \cite*, \citeauthor*, \Citeauthor*, \parencite*, \citetitle*.
199  */
200 char const * const known_biblatex_commands[] = { "cite", "Cite", "textcite", "Textcite",
201 "parencite", "Parencite", "citeauthor", "Citeauthor", "citeyear", "smartcite", "Smartcite",
202  "footcite", "Footcite", "autocite", "Autocite", "citetitle", "fullcite", "footfullcite",
203 "supercite", "cites", "Cites", "textcites", "Textcites", "parencites", "Parencites",
204 "smartcites", "Smartcites", "autocites", "Autocites", 0 };
205 
206 // Whether we need to insert a bibtex inset in a comment
207 bool need_commentbib = false;
208 
209 /// LaTeX names for quotes
210 char const * const known_quotes[] = { "dq", "guillemotleft", "flqq", "og",
211 "guillemotright", "frqq", "fg", "glq", "glqq", "textquoteleft", "grq", "grqq",
212 "quotedblbase", "textquotedblleft", "quotesinglbase", "textquoteright", "flq",
213 "guilsinglleft", "frq", "guilsinglright", "textquotedblright", "textquotesingle",
214 "textquotedbl", 0};
215 
216 /// the same as known_quotes with .lyx names
217 char const * const known_coded_quotes[] = { "qrd", "ard", "ard", "ard",
218 "ald", "ald", "ald", "gls", "gld", "els", "els", "eld",
219 "gld", "eld", "gls", "ers", "ars",
220 "ars", "als", "als", "erd", "qrs", "qrd", 0};
221 
222 /// LaTeX names for font sizes
223 char const * const known_sizes[] = { "tiny", "scriptsize", "footnotesize",
224 "small", "normalsize", "large", "Large", "LARGE", "huge", "Huge", 0};
225 
226 /// the same as known_sizes with .lyx names
227 char const * const known_coded_sizes[] = { "tiny", "scriptsize", "footnotesize",
228 "small", "normal", "large", "larger", "largest", "huge", "giant", 0};
229 
230 /// LaTeX 2.09 names for font families
231 char const * const known_old_font_families[] = { "rm", "sf", "tt", 0};
232 
233 /// LaTeX names for font families
234 char const * const known_font_families[] = { "rmfamily", "sffamily",
235 "ttfamily", 0};
236 
237 /// LaTeX names for font family changing commands
238 char const * const known_text_font_families[] = { "textrm", "textsf",
239 "texttt", 0};
240 
241 /// The same as known_old_font_families, known_font_families and
242 /// known_text_font_families with .lyx names
243 char const * const known_coded_font_families[] = { "roman", "sans",
244 "typewriter", 0};
245 
246 /// LaTeX 2.09 names for font series
247 char const * const known_old_font_series[] = { "bf", 0};
248 
249 /// LaTeX names for font series
250 char const * const known_font_series[] = { "bfseries", "mdseries", 0};
251 
252 /// LaTeX names for font series changing commands
253 char const * const known_text_font_series[] = { "textbf", "textmd", 0};
254 
255 /// The same as known_old_font_series, known_font_series and
256 /// known_text_font_series with .lyx names
257 char const * const known_coded_font_series[] = { "bold", "medium", 0};
258 
259 /// LaTeX 2.09 names for font shapes
260 char const * const known_old_font_shapes[] = { "it", "sl", "sc", 0};
261 
262 /// LaTeX names for font shapes
263 char const * const known_font_shapes[] = { "itshape", "slshape", "scshape",
264 "upshape", 0};
265 
266 /// LaTeX names for font shape changing commands
267 char const * const known_text_font_shapes[] = { "textit", "textsl", "textsc",
268 "textup", 0};
269 
270 /// The same as known_old_font_shapes, known_font_shapes and
271 /// known_text_font_shapes with .lyx names
272 char const * const known_coded_font_shapes[] = { "italic", "slanted",
273 "smallcaps", "up", 0};
274 
275 /// Known special characters which need skip_spaces_braces() afterwards
276 char const * const known_special_chars[] = {"ldots",
277 "lyxarrow", "textcompwordmark",
278 "slash", "textasciitilde", "textasciicircum", "textbackslash",
279 "LyX", "TeX", "LaTeXe",
280 "LaTeX", 0};
281 
282 /// special characters from known_special_chars which may have a \\protect before
283 char const * const known_special_protect_chars[] = {"LyX", "TeX",
284 "LaTeXe", "LaTeX", 0};
285 
286 /// the same as known_special_chars with .lyx names
287 char const * const known_coded_special_chars[] = {"\\SpecialChar ldots\n",
288 "\\SpecialChar menuseparator\n", "\\SpecialChar ligaturebreak\n",
289 "\\SpecialChar breakableslash\n", "~", "^", "\n\\backslash\n",
290 "\\SpecialChar LyX\n", "\\SpecialChar TeX\n", "\\SpecialChar LaTeX2e\n",
291 "\\SpecialChar LaTeX\n", 0};
292 
293 /*!
294  * Graphics file extensions known by the dvips driver of the graphics package.
295  * These extensions are used to complete the filename of an included
296  * graphics file if it does not contain an extension.
297  * The order must be the same that latex uses to find a file, because we
298  * will use the first extension that matches.
299  * This is only an approximation for the common cases. If we would want to
300  * do it right in all cases, we would need to know which graphics driver is
301  * used and know the extensions of every driver of the graphics package.
302  */
303 char const * const known_dvips_graphics_formats[] = {"eps", "ps", "eps.gz",
304 "ps.gz", "eps.Z", "ps.Z", 0};
305 
306 /*!
307  * Graphics file extensions known by the pdftex driver of the graphics package.
308  * \sa known_dvips_graphics_formats
309  */
310 char const * const known_pdftex_graphics_formats[] = {"png", "pdf", "jpg",
311 "mps", "tif", 0};
312 
313 /*!
314  * Known file extensions for TeX files as used by \\include.
315  */
316 char const * const known_tex_extensions[] = {"tex", 0};
317 
318 /// spaces known by InsetSpace
319 char const * const known_spaces[] = { " ", "space", ",",
320 "thinspace", "quad", "qquad", "enspace", "enskip",
321 "negthinspace", "negmedspace", "negthickspace", "textvisiblespace",
322 "hfill", "dotfill", "hrulefill", "leftarrowfill", "rightarrowfill",
323 "upbracefill", "downbracefill", 0};
324 
325 /// the same as known_spaces with .lyx names
326 char const * const known_coded_spaces[] = { "space{}", "space{}",
327 "thinspace{}", "thinspace{}", "quad{}", "qquad{}", "enspace{}", "enskip{}",
328 "negthinspace{}", "negmedspace{}", "negthickspace{}", "textvisiblespace{}",
329 "hfill{}", "dotfill{}", "hrulefill{}", "leftarrowfill{}", "rightarrowfill{}",
330 "upbracefill{}", "downbracefill{}", 0};
331 
332 /// known TIPA combining diacritical marks
333 char const * const known_tipa_marks[] = {"textsubwedge", "textsubumlaut",
334 "textsubtilde", "textseagull", "textsubbridge", "textinvsubbridge",
335 "textsubsquare", "textsubrhalfring", "textsublhalfring", "textsubplus",
336 "textovercross", "textsubarch", "textsuperimposetilde", "textraising",
337 "textlowering", "textadvancing", "textretracting", "textdoublegrave",
338 "texthighrise", "textlowrise", "textrisefall", "textsyllabic",
339 "textsubring", "textsubbar", 0};
340 
341 /// TIPA tones that need special handling
342 char const * const known_tones[] = {"15", "51", "45", "12", "454", 0};
343 
344 // string to store the float type to be able to determine the type of subfloats
345 string float_type = "";
346 
347 // string to store the float status of minted listings
348 string minted_float = "";
349 
350 // whether a caption has been parsed for a floating minted listing
351 bool minted_float_has_caption = false;
352 
353 // The caption for non-floating minted listings
354 string minted_nonfloat_caption = "";
355 
356 // Characters that have to be escaped by \\ in LaTeX
357 char const * const known_escaped_chars[] = {
358 		"&", "_", "$", "%", "#", "^", "{", "}", 0};
359 
360 
361 /// splits "x=z, y=b" into a map and an ordered keyword vector
split_map(string const & s,map<string,string> & res,vector<string> & keys)362 void split_map(string const & s, map<string, string> & res, vector<string> & keys)
363 {
364 	vector<string> v;
365 	split(s, v);
366 	res.clear();
367 	keys.resize(v.size());
368 	for (size_t i = 0; i < v.size(); ++i) {
369 		size_t const pos   = v[i].find('=');
370 		string const index = trimSpaceAndEol(v[i].substr(0, pos));
371 		string const value = trimSpaceAndEol(v[i].substr(pos + 1, string::npos));
372 		res[index] = value;
373 		keys[i] = index;
374 	}
375 }
376 
377 
378 /*!
379  * Split a LaTeX length into value and unit.
380  * The latter can be a real unit like "pt", or a latex length variable
381  * like "\textwidth". The unit may contain additional stuff like glue
382  * lengths, but we don't care, because such lengths are ERT anyway.
383  * \returns true if \p value and \p unit are valid.
384  */
splitLatexLength(string const & len,string & value,string & unit)385 bool splitLatexLength(string const & len, string & value, string & unit)
386 {
387 	if (len.empty())
388 		return false;
389 	const string::size_type i = len.find_first_not_of(" -+0123456789.,");
390 	//'4,5' is a valid LaTeX length number. Change it to '4.5'
391 	string const length = subst(len, ',', '.');
392 	if (i == string::npos)
393 		return false;
394 	if (i == 0) {
395 		if (len[0] == '\\') {
396 			// We had something like \textwidth without a factor
397 			value = "1.0";
398 		} else {
399 			return false;
400 		}
401 	} else {
402 		value = trimSpaceAndEol(string(length, 0, i));
403 	}
404 	if (value == "-")
405 		value = "-1.0";
406 	// 'cM' is a valid LaTeX length unit. Change it to 'cm'
407 	if (contains(len, '\\'))
408 		unit = trimSpaceAndEol(string(len, i));
409 	else
410 		unit = ascii_lowercase(trimSpaceAndEol(string(len, i)));
411 	return true;
412 }
413 
414 
415 /// A simple function to translate a latex length to something LyX can
416 /// understand. Not perfect, but rather best-effort.
translate_len(string const & length,string & valstring,string & unit)417 bool translate_len(string const & length, string & valstring, string & unit)
418 {
419 	if (!splitLatexLength(length, valstring, unit))
420 		return false;
421 	// LyX uses percent values
422 	double value;
423 	istringstream iss(valstring);
424 	iss >> value;
425 	value *= 100;
426 	ostringstream oss;
427 	oss << value;
428 	string const percentval = oss.str();
429 	// a normal length
430 	if (unit.empty() || unit[0] != '\\')
431 		return true;
432 	string::size_type const i = unit.find(' ');
433 	string const endlen = (i == string::npos) ? string() : string(unit, i);
434 	if (unit == "\\textwidth") {
435 		valstring = percentval;
436 		unit = "text%" + endlen;
437 	} else if (unit == "\\columnwidth") {
438 		valstring = percentval;
439 		unit = "col%" + endlen;
440 	} else if (unit == "\\paperwidth") {
441 		valstring = percentval;
442 		unit = "page%" + endlen;
443 	} else if (unit == "\\linewidth") {
444 		valstring = percentval;
445 		unit = "line%" + endlen;
446 	} else if (unit == "\\paperheight") {
447 		valstring = percentval;
448 		unit = "pheight%" + endlen;
449 	} else if (unit == "\\textheight") {
450 		valstring = percentval;
451 		unit = "theight%" + endlen;
452 	} else if (unit == "\\baselineskip") {
453 		valstring = percentval;
454 		unit = "baselineskip%" + endlen;
455 	}
456 	return true;
457 }
458 
459 
460 /// If we have ambiguous quotation marks, make a smart guess
461 /// based on main quote style
guessQuoteStyle(string in,bool const opening)462 string guessQuoteStyle(string in, bool const opening)
463 {
464 	string res = in;
465 	if (prefixIs(in, "qr")) {// straight quote
466 		if (!opening)
467 			res = subst(res, "r", "l");
468 	} else if (in == "eld") {// ``
469 		if (preamble.quotesStyle() == "german")
470 			res = "grd";
471 		else if (preamble.quotesStyle() == "british")
472 			res = "bls";
473 		else if (preamble.quotesStyle() == "french")
474 			res = "fls";
475 		else if (preamble.quotesStyle() == "russian")
476 			res = "rrs";
477 	} else if (in == "erd") {// ''
478 		if (preamble.quotesStyle() == "polish")
479 			res = "prd";
480 		else if (preamble.quotesStyle() == "british")
481 			res = "brs";
482 		else if (preamble.quotesStyle() == "french")
483 			res = "frs";
484 		else if (preamble.quotesStyle() == "swedish")
485 			res = opening ? "sld" : "srd";
486 	} else if (in == "els") {// `
487 		if (preamble.quotesStyle() == "german")
488 			res = "grs";
489 		else if (preamble.quotesStyle() == "british")
490 			res = "bld";
491 	} else if (in == "ers") {// '
492 		if (preamble.quotesStyle() == "polish")
493 			res = "prs";
494 		else if (preamble.quotesStyle() == "british")
495 			res = "brd";
496 		else if (preamble.quotesStyle() == "swedish")
497 			res = opening ? "sls" : "srs";
498 	} else if (in == "ard") {// >>
499 		if (preamble.quotesStyle() == "swiss")
500 			res = "cld";
501 		else if (preamble.quotesStyle() == "french")
502 			res = "fld";
503 		else if (preamble.quotesStyle() == "russian")
504 			res = "rld";
505 	} else if (in == "ald") {// <<
506 		if (preamble.quotesStyle() == "swiss")
507 			res = "crd";
508 		else if (preamble.quotesStyle() == "french")
509 			res = "frd";
510 		else if (preamble.quotesStyle() == "russian")
511 			res = "rrd";
512 	} else if (in == "ars") {// >
513 		if (preamble.quotesStyle() == "swiss")
514 			res = "cls";
515 	} else if (in == "als") {// <
516 		if (preamble.quotesStyle() == "swiss")
517 			res = "crs";
518 	} else if (in == "gld") {// ,,
519 		if (preamble.quotesStyle() == "polish")
520 			res = "pld";
521 		else if (preamble.quotesStyle() == "russian")
522 			res = "rls";
523 	} else if (in == "gls") {// ,
524 		if (preamble.quotesStyle() == "polish")
525 			res = "pls";
526 	}
527 	return res;
528 }
529 
530 
fromPolyglossiaEnvironment(string const s)531 string const fromPolyglossiaEnvironment(string const s)
532 {
533 	// Since \arabic is taken by the LaTeX kernel,
534 	// the Arabic polyglossia environment is upcased
535 	if (s == "Arabic")
536 		return "arabic";
537 	else
538 		return s;
539 }
540 
541 
uncapitalize(string const s)542 string uncapitalize(string const s)
543 {
544 	docstring in = from_ascii(s);
545 	char_type t = lowercase(s[0]);
546 	in[0] = t;
547 	return to_ascii(in);
548 }
549 
550 
isCapitalized(string const s)551 bool isCapitalized(string const s)
552 {
553 	docstring in = from_ascii(s);
554 	char_type t = uppercase(s[0]);
555 	in[0] = t;
556 	return to_ascii(in) == s;
557 }
558 
559 
560 } // namespace
561 
562 
translate_len(string const & length)563 string translate_len(string const & length)
564 {
565 	string unit;
566 	string value;
567 	if (translate_len(length, value, unit))
568 		return value + unit;
569 	// If the input is invalid, return what we have.
570 	return length;
571 }
572 
573 
574 namespace {
575 
576 /*!
577  * Translates a LaTeX length into \p value, \p unit and
578  * \p special parts suitable for a box inset.
579  * The difference from translate_len() is that a box inset knows about
580  * some special "units" that are stored in \p special.
581  */
translate_box_len(string const & length,string & value,string & unit,string & special)582 void translate_box_len(string const & length, string & value, string & unit, string & special)
583 {
584 	if (translate_len(length, value, unit)) {
585 		if (unit == "\\height" || unit == "\\depth" ||
586 		    unit == "\\totalheight" || unit == "\\width") {
587 			special = unit.substr(1);
588 			// The unit is not used, but LyX requires a dummy setting
589 			unit = "in";
590 		} else
591 			special = "none";
592 	} else {
593 		value.clear();
594 		unit = length;
595 		special = "none";
596 	}
597 }
598 
599 
begin_inset(ostream & os,string const & name)600 void begin_inset(ostream & os, string const & name)
601 {
602 	os << "\n\\begin_inset " << name;
603 }
604 
605 
begin_command_inset(ostream & os,string const & name,string const & latexname)606 void begin_command_inset(ostream & os, string const & name,
607                          string const & latexname)
608 {
609 	begin_inset(os, "CommandInset ");
610 	os << name << "\nLatexCommand " << latexname << '\n';
611 }
612 
613 
end_inset(ostream & os)614 void end_inset(ostream & os)
615 {
616 	os << "\n\\end_inset\n\n";
617 }
618 
619 
skip_braces(Parser & p)620 bool skip_braces(Parser & p)
621 {
622 	if (p.next_token().cat() != catBegin)
623 		return false;
624 	p.get_token();
625 	if (p.next_token().cat() == catEnd) {
626 		p.get_token();
627 		return true;
628 	}
629 	p.putback();
630 	return false;
631 }
632 
633 
634 /// replace LaTeX commands in \p s from the unicodesymbols file with their
635 /// unicode points
convert_unicodesymbols(docstring s)636 pair<bool, docstring> convert_unicodesymbols(docstring s)
637 {
638 	bool res = true;
639 	odocstringstream os;
640 	for (size_t i = 0; i < s.size();) {
641 		if (s[i] != '\\') {
642 			os.put(s[i++]);
643 			continue;
644 		}
645 		s = s.substr(i);
646 		bool termination;
647 		docstring rem;
648 		set<string> req;
649 		docstring parsed = normalize_c(encodings.fromLaTeXCommand(s,
650 				Encodings::TEXT_CMD, termination, rem, &req));
651 		set<string>::const_iterator it = req.begin();
652 		set<string>::const_iterator en = req.end();
653 		for (; it != en; ++it)
654 			preamble.registerAutomaticallyLoadedPackage(*it);
655 		os << parsed;
656 		s = rem;
657 		if (s.empty() || s[0] != '\\')
658 			i = 0;
659 		else {
660 			res = false;
661 			for (auto const & c : known_escaped_chars)
662 				if (c != 0 && prefixIs(s, from_ascii("\\") + c))
663 					res = true;
664 			i = 1;
665 		}
666 	}
667 	return make_pair(res, os.str());
668 }
669 
670 
671 /// try to convert \p s to a valid InsetCommand argument
672 /// return whether this succeeded. If not, these command insets
673 /// get the "literate" flag.
convert_latexed_command_inset_arg(string s)674 pair<bool, string> convert_latexed_command_inset_arg(string s)
675 {
676 	bool success = false;
677 	if (isAscii(s)) {
678 		// since we don't know the input encoding we can't use from_utf8
679 		pair<bool, docstring> res = convert_unicodesymbols(from_ascii(s));
680 		success = res.first;
681 		s = to_utf8(res.second);
682 	}
683 	// LyX cannot handle newlines in a latex command
684 	return make_pair(success, subst(s, "\n", " "));
685 }
686 
687 /// try to convert \p s to a valid InsetCommand argument
688 /// without trying to recode macros.
convert_literate_command_inset_arg(string s)689 string convert_literate_command_inset_arg(string s)
690 {
691 	// LyX cannot handle newlines in a latex command
692 	return subst(s, "\n", " ");
693 }
694 
output_ert(ostream & os,string const & s,Context & context)695 void output_ert(ostream & os, string const & s, Context & context)
696 {
697 	context.check_layout(os);
698 	for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
699 		if (*it == '\\')
700 			os << "\n\\backslash\n";
701 		else if (*it == '\n') {
702 			context.new_paragraph(os);
703 			context.check_layout(os);
704 		} else
705 			os << *it;
706 	}
707 	context.check_end_layout(os);
708 }
709 
710 
output_ert_inset(ostream & os,string const & s,Context & context)711 void output_ert_inset(ostream & os, string const & s, Context & context)
712 {
713 	// We must have a valid layout before outputting the ERT inset.
714 	context.check_layout(os);
715 	Context newcontext(true, context.textclass);
716 	InsetLayout const & layout = context.textclass.insetLayout(from_ascii("ERT"));
717 	if (layout.forcePlainLayout())
718 		newcontext.layout = &context.textclass.plainLayout();
719 	begin_inset(os, "ERT");
720 	os << "\nstatus collapsed\n";
721 	output_ert(os, s, newcontext);
722 	end_inset(os);
723 }
724 
725 
output_comment(Parser & p,ostream & os,string const & s,Context & context)726 void output_comment(Parser & p, ostream & os, string const & s,
727                     Context & context)
728 {
729 	if (p.next_token().cat() == catNewline)
730 		output_ert_inset(os, '%' + s, context);
731 	else
732 		output_ert_inset(os, '%' + s + '\n', context);
733 }
734 
735 
findLayout(TextClass const & textclass,string const & name,bool command,string const & latexparam=string ())736 Layout const * findLayout(TextClass const & textclass, string const & name, bool command,
737 			  string const & latexparam = string())
738 {
739 	Layout const * layout = findLayoutWithoutModule(textclass, name, command, latexparam);
740 	if (layout)
741 		return layout;
742 	if (checkModule(name, command))
743 		return findLayoutWithoutModule(textclass, name, command, latexparam);
744 	return layout;
745 }
746 
747 
findInsetLayout(TextClass const & textclass,string const & name,bool command,string const & latexparam=string ())748 InsetLayout const * findInsetLayout(TextClass const & textclass, string const & name, bool command,
749 				    string const & latexparam = string())
750 {
751 	InsetLayout const * insetlayout =
752 		findInsetLayoutWithoutModule(textclass, name, command, latexparam);
753 	if (insetlayout)
754 		return insetlayout;
755 	if (checkModule(name, command))
756 		return findInsetLayoutWithoutModule(textclass, name, command, latexparam);
757 	return insetlayout;
758 }
759 
760 
761 void eat_whitespace(Parser &, ostream &, Context &, bool);
762 
763 
764 /*!
765  * Skips whitespace and braces.
766  * This should be called after a command has been parsed that is not put into
767  * ERT, and where LyX adds "{}" if needed.
768  */
skip_spaces_braces(Parser & p,bool keepws=false)769 void skip_spaces_braces(Parser & p, bool keepws = false)
770 {
771 	/* The following four examples produce the same typeset output and
772 	   should be handled by this function:
773 	   - abc \j{} xyz
774 	   - abc \j {} xyz
775 	   - abc \j
776 	     {} xyz
777 	   - abc \j %comment
778 	     {} xyz
779 	 */
780 	// Unfortunately we need to skip comments, too.
781 	// We can't use eat_whitespace since writing them after the {}
782 	// results in different output in some cases.
783 	bool const skipped_spaces = p.skip_spaces(true);
784 	bool const skipped_braces = skip_braces(p);
785 	if (keepws && skipped_spaces && !skipped_braces)
786 		// put back the space (it is better handled by check_space)
787 		p.unskip_spaces(true);
788 }
789 
790 
output_arguments(ostream & os,Parser & p,bool outer,bool need_layout,string const prefix,Context & context,Layout::LaTeXArgMap const & latexargs)791 void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, string const prefix,
792                       Context & context, Layout::LaTeXArgMap const & latexargs)
793 {
794 	if (context.layout->latextype != LATEX_ITEM_ENVIRONMENT || !prefix.empty()) {
795 		if (need_layout) {
796 			context.check_layout(os);
797 			need_layout = false;
798 		} else
799 			need_layout = true;
800 	}
801 	int i = 0;
802 	Layout::LaTeXArgMap::const_iterator lait = latexargs.begin();
803 	Layout::LaTeXArgMap::const_iterator const laend = latexargs.end();
804 	for (; lait != laend; ++lait) {
805 		++i;
806 		eat_whitespace(p, os, context, false);
807 		if (lait->second.mandatory) {
808 			if (p.next_token().cat() != catBegin)
809 				break;
810 			string ldelim = to_utf8(lait->second.ldelim);
811 			string rdelim = to_utf8(lait->second.rdelim);
812 			if (ldelim.empty())
813 				ldelim = "{";
814 			if (rdelim.empty())
815 				rdelim = "}";
816 			p.get_token(); // eat ldelim
817 			if (ldelim.size() > 1)
818 				p.get_token(); // eat ldelim
819 			if (need_layout) {
820 				context.check_layout(os);
821 				need_layout = false;
822 			}
823 			begin_inset(os, "Argument ");
824 			if (!prefix.empty())
825 				os << prefix << ':';
826 			os << i << "\nstatus collapsed\n\n";
827 			parse_text_in_inset(p, os, FLAG_RDELIM, outer, context, 0, rdelim);
828 			end_inset(os);
829 		} else {
830 			string ldelim = to_utf8(lait->second.ldelim);
831 			string rdelim = to_utf8(lait->second.rdelim);
832 			if (ldelim.empty())
833 				ldelim = "[";
834 			if (rdelim.empty())
835 				rdelim = "]";
836 			string tok = p.next_token().asInput();
837 			// we only support delimiters with max 2 chars for now.
838 			if (ldelim.size() > 1)
839 				tok += p.next_next_token().asInput();
840 			if (p.next_token().cat() == catEscape || tok != ldelim)
841 				continue;
842 			p.get_token(); // eat ldelim
843 			if (ldelim.size() > 1)
844 				p.get_token(); // eat ldelim
845 			if (need_layout) {
846 				context.check_layout(os);
847 				need_layout = false;
848 			}
849 			begin_inset(os, "Argument ");
850 			if (!prefix.empty())
851 				os << prefix << ':';
852 			os << i << "\nstatus collapsed\n\n";
853 			parse_text_in_inset(p, os, FLAG_RDELIM, outer, context, 0, rdelim);
854 			end_inset(os);
855 		}
856 		eat_whitespace(p, os, context, false);
857 	}
858 }
859 
860 
output_command_layout(ostream & os,Parser & p,bool outer,Context & parent_context,Layout const * newlayout)861 void output_command_layout(ostream & os, Parser & p, bool outer,
862 			   Context & parent_context,
863 			   Layout const * newlayout)
864 {
865 	TeXFont const oldFont = parent_context.font;
866 	// save the current font size
867 	string const size = oldFont.size;
868 	// reset the font size to default, because the font size switches
869 	// don't affect section headings and the like
870 	parent_context.font.size = Context::normalfont.size;
871 	// we only need to write the font change if we have an open layout
872 	if (!parent_context.atParagraphStart())
873 		output_font_change(os, oldFont, parent_context.font);
874 	parent_context.check_end_layout(os);
875 	Context context(true, parent_context.textclass, newlayout,
876 			parent_context.layout, parent_context.font);
877 	if (parent_context.deeper_paragraph) {
878 		// We are beginning a nested environment after a
879 		// deeper paragraph inside the outer list environment.
880 		// Therefore we don't need to output a "begin deeper".
881 		context.need_end_deeper = true;
882 	}
883 	context.check_deeper(os);
884 	output_arguments(os, p, outer, true, string(), context,
885 	                 context.layout->latexargs());
886 	// If we have a latex param, we eat it here.
887 	if (!parent_context.latexparam.empty()) {
888 		ostringstream oss;
889 		Context dummy(true, parent_context.textclass);
890 		parse_text(p, oss, FLAG_RDELIM, outer, dummy,
891 			   string(1, parent_context.latexparam.back()));
892 	}
893 	parse_text(p, os, FLAG_ITEM, outer, context);
894 	output_arguments(os, p, outer, false, "post", context,
895 	                 context.layout->postcommandargs());
896 	context.check_end_layout(os);
897 	if (parent_context.deeper_paragraph) {
898 		// We must suppress the "end deeper" because we
899 		// suppressed the "begin deeper" above.
900 		context.need_end_deeper = false;
901 	}
902 	context.check_end_deeper(os);
903 	// We don't need really a new paragraph, but
904 	// we must make sure that the next item gets a \begin_layout.
905 	parent_context.new_paragraph(os);
906 	// Set the font size to the original value. No need to output it here
907 	// (Context::begin_layout() will do that if needed)
908 	parent_context.font.size = size;
909 }
910 
911 
912 /*!
913  * Output a space if necessary.
914  * This function gets called for every whitespace token.
915  *
916  * We have three cases here:
917  * 1. A space must be suppressed. Example: The lyxcode case below
918  * 2. A space may be suppressed. Example: Spaces before "\par"
919  * 3. A space must not be suppressed. Example: A space between two words
920  *
921  * We currently handle only 1. and 3 and from 2. only the case of
922  * spaces before newlines as a side effect.
923  *
924  * 2. could be used to suppress as many spaces as possible. This has two effects:
925  * - Reimporting LyX generated LaTeX files changes almost no whitespace
926  * - Superflous whitespace from non LyX generated LaTeX files is removed.
927  * The drawback is that the logic inside the function becomes
928  * complicated, and that is the reason why it is not implemented.
929  */
check_space(Parser & p,ostream & os,Context & context)930 void check_space(Parser & p, ostream & os, Context & context)
931 {
932 	Token const next = p.next_token();
933 	Token const curr = p.curr_token();
934 	// A space before a single newline and vice versa must be ignored
935 	// LyX emits a newline before \end{lyxcode}.
936 	// This newline must be ignored,
937 	// otherwise LyX will add an additional protected space.
938 	if (next.cat() == catSpace ||
939 	    next.cat() == catNewline ||
940 	    (next.cs() == "end" && context.layout->free_spacing && curr.cat() == catNewline)) {
941 		return;
942 	}
943 	context.check_layout(os);
944 	os << ' ';
945 }
946 
947 
948 /*!
949  * Parse all arguments of \p command
950  */
parse_arguments(string const & command,vector<ArgumentType> const & template_arguments,Parser & p,ostream & os,bool outer,Context & context)951 void parse_arguments(string const & command,
952 		     vector<ArgumentType> const & template_arguments,
953 		     Parser & p, ostream & os, bool outer, Context & context)
954 {
955 	string ert = command;
956 	size_t no_arguments = template_arguments.size();
957 	for (size_t i = 0; i < no_arguments; ++i) {
958 		switch (template_arguments[i]) {
959 		case required:
960 		case req_group:
961 			// This argument contains regular LaTeX
962 			output_ert_inset(os, ert + '{', context);
963 			eat_whitespace(p, os, context, false);
964 			if (template_arguments[i] == required)
965 				parse_text(p, os, FLAG_ITEM, outer, context);
966 			else
967 				parse_text_snippet(p, os, FLAG_ITEM, outer, context);
968 			ert = "}";
969 			break;
970 		case item:
971 			// This argument consists only of a single item.
972 			// The presence of '{' or not must be preserved.
973 			p.skip_spaces();
974 			if (p.next_token().cat() == catBegin)
975 				ert += '{' + p.verbatim_item() + '}';
976 			else
977 				ert += p.verbatim_item();
978 			break;
979 		case displaymath:
980 		case verbatim:
981 			// This argument may contain special characters
982 			ert += '{' + p.verbatim_item() + '}';
983 			break;
984 		case optional:
985 		case opt_group:
986 			// true because we must not eat whitespace
987 			// if an optional arg follows we must not strip the
988 			// brackets from this one
989 			if (i < no_arguments - 1 &&
990 			    template_arguments[i+1] == optional)
991 				ert += p.getFullOpt(true);
992 			else
993 				ert += p.getOpt(true);
994 			break;
995 		}
996 	}
997 	output_ert_inset(os, ert, context);
998 }
999 
1000 
1001 /*!
1002  * Check whether \p command is a known command. If yes,
1003  * handle the command with all arguments.
1004  * \return true if the command was parsed, false otherwise.
1005  */
parse_command(string const & command,Parser & p,ostream & os,bool outer,Context & context)1006 bool parse_command(string const & command, Parser & p, ostream & os,
1007 		   bool outer, Context & context)
1008 {
1009 	if (known_commands.find(command) != known_commands.end()) {
1010 		parse_arguments(command, known_commands[command], p, os,
1011 				outer, context);
1012 		return true;
1013 	}
1014 	return false;
1015 }
1016 
1017 
1018 /// Parses a minipage or parbox
parse_box(Parser & p,ostream & os,unsigned outer_flags,unsigned inner_flags,bool outer,Context & parent_context,string const & outer_type,string const & special,string inner_type,string const & frame_color,string const & background_color)1019 void parse_box(Parser & p, ostream & os, unsigned outer_flags,
1020                unsigned inner_flags, bool outer, Context & parent_context,
1021                string const & outer_type, string const & special,
1022                string inner_type, string const & frame_color,
1023                string const & background_color)
1024 {
1025 	string position;
1026 	string inner_pos;
1027 	string hor_pos = "l";
1028 	// We need to set the height to the LaTeX default of 1\\totalheight
1029 	// for the case when no height argument is given
1030 	string height_value = "1";
1031 	string height_unit = "in";
1032 	string height_special = "totalheight";
1033 	string latex_height;
1034 	string width_value;
1035 	string width_unit;
1036 	string latex_width;
1037 	string width_special = "none";
1038 	string thickness = "0.4pt";
1039 	if (!fboxrule.empty())
1040 		thickness = fboxrule;
1041 	else
1042 		thickness = "0.4pt";
1043 	string separation;
1044 	if (!fboxsep.empty())
1045 		separation = fboxsep;
1046 	else
1047 		separation = "3pt";
1048 	string shadowsize;
1049 	if (!shadow_size.empty())
1050 		shadowsize = shadow_size;
1051 	else
1052 		shadowsize = "4pt";
1053 	string framecolor = "black";
1054 	string backgroundcolor = "none";
1055 	if (!frame_color.empty())
1056 		framecolor = frame_color;
1057 	if (!background_color.empty())
1058 		backgroundcolor = background_color;
1059 	// if there is a color box around the \begin statements have not yet been parsed
1060 	// so do this now
1061 	if (!frame_color.empty() || !background_color.empty()) {
1062 		eat_whitespace(p, os, parent_context, false);
1063 		p.get_token().asInput(); // the '{'
1064 		// parse minipage
1065 		if (p.next_token().asInput() == "\\begin") {
1066 			p.get_token().asInput();
1067 			p.getArg('{', '}');
1068 			inner_type = "minipage";
1069 			inner_flags = FLAG_END;
1070 			active_environments.push_back("minipage");
1071 		}
1072 		// parse parbox
1073 		else if (p.next_token().asInput() == "\\parbox") {
1074 			p.get_token().asInput();
1075 			inner_type = "parbox";
1076 			inner_flags = FLAG_ITEM;
1077 		}
1078 		// parse makebox
1079 		else if (p.next_token().asInput() == "\\makebox") {
1080 			p.get_token().asInput();
1081 			inner_type = "makebox";
1082 			inner_flags = FLAG_ITEM;
1083 		}
1084 		// in case there is just \colorbox{color}{text}
1085 		else {
1086 			latex_width = "";
1087 			inner_type = "makebox";
1088 			inner_flags = FLAG_BRACE_LAST;
1089 			position = "t";
1090 			inner_pos = "t";
1091 		}
1092 	}
1093 	if (!p.hasOpt() && (inner_type == "makebox" || outer_type == "mbox"))
1094 		hor_pos = "c";
1095 	if (!inner_type.empty() && p.hasOpt()) {
1096 		if (inner_type != "makebox")
1097 			position = p.getArg('[', ']');
1098 		else {
1099 			latex_width = p.getArg('[', ']');
1100 			translate_box_len(latex_width, width_value, width_unit, width_special);
1101 			position = "t";
1102 		}
1103 		if (position != "t" && position != "c" && position != "b") {
1104 			cerr << "invalid position " << position << " for "
1105 			     << inner_type << endl;
1106 			position = "c";
1107 		}
1108 		if (p.hasOpt()) {
1109 			if (inner_type != "makebox") {
1110 				latex_height = p.getArg('[', ']');
1111 				translate_box_len(latex_height, height_value, height_unit, height_special);
1112 			} else {
1113 				string const opt = p.getArg('[', ']');
1114 				if (!opt.empty()) {
1115 					hor_pos = opt;
1116 					if (hor_pos != "l" && hor_pos != "c" &&
1117 					    hor_pos != "r" && hor_pos != "s") {
1118 						cerr << "invalid hor_pos " << hor_pos
1119 						     << " for " << inner_type << endl;
1120 						hor_pos = "c";
1121 					}
1122 				}
1123 			}
1124 
1125 			if (p.hasOpt()) {
1126 				inner_pos = p.getArg('[', ']');
1127 				if (inner_pos != "c" && inner_pos != "t" &&
1128 				    inner_pos != "b" && inner_pos != "s") {
1129 					cerr << "invalid inner_pos "
1130 					     << inner_pos << " for "
1131 					     << inner_type << endl;
1132 					inner_pos = position;
1133 				}
1134 			}
1135 		} else {
1136 			if (inner_type == "makebox")
1137 				hor_pos = "c";
1138 		}
1139 	}
1140 	if (inner_type.empty()) {
1141 		if (special.empty() && outer_type != "framebox")
1142 			latex_width = "1\\columnwidth";
1143 		else {
1144 			Parser p2(special);
1145 			latex_width = p2.getArg('[', ']');
1146 			string const opt = p2.getArg('[', ']');
1147 			if (!opt.empty()) {
1148 				hor_pos = opt;
1149 				if (hor_pos != "l" && hor_pos != "c" &&
1150 				    hor_pos != "r" && hor_pos != "s") {
1151 					cerr << "invalid hor_pos " << hor_pos
1152 					     << " for " << outer_type << endl;
1153 					hor_pos = "c";
1154 				}
1155 			} else {
1156 				if (outer_type == "framebox")
1157 					hor_pos = "c";
1158 			}
1159 		}
1160 	} else if (inner_type != "makebox")
1161 		latex_width = p.verbatim_item();
1162 	// if e.g. only \ovalbox{content} was used, set the width to 1\columnwidth
1163 	// as this is LyX's standard for such cases (except for makebox)
1164 	// \framebox is more special and handled below
1165 	if (latex_width.empty() && inner_type != "makebox"
1166 		&& outer_type != "framebox")
1167 		latex_width = "1\\columnwidth";
1168 
1169 	translate_len(latex_width, width_value, width_unit);
1170 
1171 	bool shadedparbox = false;
1172 	if (inner_type == "shaded") {
1173 		eat_whitespace(p, os, parent_context, false);
1174 		if (outer_type == "parbox") {
1175 			// Eat '{'
1176 			if (p.next_token().cat() == catBegin)
1177 				p.get_token();
1178 			eat_whitespace(p, os, parent_context, false);
1179 			shadedparbox = true;
1180 		}
1181 		p.get_token();
1182 		p.getArg('{', '}');
1183 	}
1184 	// If we already read the inner box we have to push the inner env
1185 	if (!outer_type.empty() && !inner_type.empty() &&
1186 	    (inner_flags & FLAG_END))
1187 		active_environments.push_back(inner_type);
1188 	bool use_ert = false;
1189 	if (!outer_type.empty() && !inner_type.empty()) {
1190 		// Look whether there is some content after the end of the
1191 		// inner box, but before the end of the outer box.
1192 		// If yes, we need to output ERT.
1193 		p.pushPosition();
1194 		if (inner_flags & FLAG_END)
1195 			p.ertEnvironment(inner_type);
1196 		else
1197 			p.verbatim_item();
1198 		p.skip_spaces(true);
1199 		bool const outer_env(outer_type == "framed" || outer_type == "minipage");
1200 		if ((outer_env && p.next_token().asInput() != "\\end") ||
1201 		    (!outer_env && p.next_token().cat() != catEnd)) {
1202 			// something is between the end of the inner box and
1203 			// the end of the outer box, so we need to use ERT.
1204 			use_ert = true;
1205 		}
1206 		p.popPosition();
1207 	}
1208 
1209 	if (use_ert) {
1210 		ostringstream ss;
1211 		if (!outer_type.empty()) {
1212 			if (outer_flags & FLAG_END)
1213 				ss << "\\begin{" << outer_type << '}';
1214 			else {
1215 				ss << '\\' << outer_type << '{';
1216 				if (!special.empty())
1217 					ss << special;
1218 			}
1219 		}
1220 		if (!inner_type.empty()) {
1221 			if (inner_type != "shaded") {
1222 				if (inner_flags & FLAG_END)
1223 					ss << "\\begin{" << inner_type << '}';
1224 				else
1225 					ss << '\\' << inner_type;
1226 			}
1227 			if (!position.empty())
1228 				ss << '[' << position << ']';
1229 			if (!latex_height.empty())
1230 				ss << '[' << latex_height << ']';
1231 			if (!inner_pos.empty())
1232 				ss << '[' << inner_pos << ']';
1233 			ss << '{' << latex_width << '}';
1234 			if (!(inner_flags & FLAG_END))
1235 				ss << '{';
1236 		}
1237 		if (inner_type == "shaded")
1238 			ss << "\\begin{shaded}";
1239 		output_ert_inset(os, ss.str(), parent_context);
1240 		if (!inner_type.empty()) {
1241 			parse_text(p, os, inner_flags, outer, parent_context);
1242 			if (inner_flags & FLAG_END)
1243 				output_ert_inset(os, "\\end{" + inner_type + '}',
1244 				           parent_context);
1245 			else
1246 				output_ert_inset(os, "}", parent_context);
1247 		}
1248 		if (!outer_type.empty()) {
1249 			// If we already read the inner box we have to pop
1250 			// the inner env
1251 			if (!inner_type.empty() && (inner_flags & FLAG_END))
1252 				active_environments.pop_back();
1253 
1254 			// Ensure that the end of the outer box is parsed correctly:
1255 			// The opening brace has been eaten by parse_outer_box()
1256 			if (!outer_type.empty() && (outer_flags & FLAG_ITEM)) {
1257 				outer_flags &= ~FLAG_ITEM;
1258 				outer_flags |= FLAG_BRACE_LAST;
1259 			}
1260 			parse_text(p, os, outer_flags, outer, parent_context);
1261 			if (outer_flags & FLAG_END)
1262 				output_ert_inset(os, "\\end{" + outer_type + '}',
1263 				           parent_context);
1264 			else
1265 				output_ert_inset(os, "}", parent_context);
1266 		}
1267 	} else {
1268 		// LyX does not like empty positions, so we have
1269 		// to set them to the LaTeX default values here.
1270 		if (position.empty())
1271 			position = "c";
1272 		if (inner_pos.empty())
1273 			inner_pos = position;
1274 		parent_context.check_layout(os);
1275 		begin_inset(os, "Box ");
1276 		if (outer_type == "framed")
1277 			os << "Framed\n";
1278 		else if (outer_type == "framebox" || outer_type == "fbox" || !frame_color.empty())
1279 			os << "Boxed\n";
1280 		else if (outer_type == "shadowbox")
1281 			os << "Shadowbox\n";
1282 		else if ((outer_type == "shaded" && inner_type.empty()) ||
1283 			     (outer_type == "minipage" && inner_type == "shaded") ||
1284 			     (outer_type == "parbox" && inner_type == "shaded")) {
1285 			os << "Shaded\n";
1286 			preamble.registerAutomaticallyLoadedPackage("color");
1287 		} else if (outer_type == "doublebox")
1288 			os << "Doublebox\n";
1289 		else if (outer_type.empty() || outer_type == "mbox")
1290 			os << "Frameless\n";
1291 		else
1292 			os << outer_type << '\n';
1293 		os << "position \"" << position << "\"\n";
1294 		os << "hor_pos \"" << hor_pos << "\"\n";
1295 		if (outer_type == "mbox")
1296 			os << "has_inner_box 1\n";
1297 		else if (!frame_color.empty() && inner_type == "makebox")
1298 			os << "has_inner_box 0\n";
1299 		else
1300 			os << "has_inner_box " << !inner_type.empty() << "\n";
1301 		os << "inner_pos \"" << inner_pos << "\"\n";
1302 		os << "use_parbox " << (inner_type == "parbox" || shadedparbox)
1303 		   << '\n';
1304 		if (outer_type == "mbox")
1305 			os << "use_makebox 1\n";
1306 		else if (!frame_color.empty())
1307 			os << "use_makebox 0\n";
1308 		else
1309 			os << "use_makebox " << (inner_type == "makebox") << '\n';
1310 		if (outer_type == "mbox" || (outer_type == "fbox" && inner_type.empty()))
1311 			os << "width \"\"\n";
1312 		// for values like "1.5\width" LyX uses "1.5in" as width ad sets "width" as sepecial
1313 		else if (contains(width_unit, '\\'))
1314 			os << "width \"" << width_value << "in" << "\"\n";
1315 		else
1316 			os << "width \"" << width_value << width_unit << "\"\n";
1317 		if (contains(width_unit, '\\')) {
1318 			width_unit.erase (0,1); // remove the leading '\'
1319 			os << "special \"" << width_unit << "\"\n";
1320 		} else
1321 			os << "special \"" << width_special << "\"\n";
1322 		if (contains(height_unit, '\\'))
1323 			os << "height \"" << height_value << "in" << "\"\n";
1324 		else
1325 			os << "height \"" << height_value << height_unit << "\"\n";
1326 		os << "height_special \"" << height_special << "\"\n";
1327 		os << "thickness \"" << thickness << "\"\n";
1328 		os << "separation \"" << separation << "\"\n";
1329 		os << "shadowsize \"" << shadowsize << "\"\n";
1330 		os << "framecolor \"" << framecolor << "\"\n";
1331 		os << "backgroundcolor \"" << backgroundcolor << "\"\n";
1332 		os << "status open\n\n";
1333 
1334 		// Unfortunately we can't use parse_text_in_inset:
1335 		// InsetBox::forcePlainLayout() is hard coded and does not
1336 		// use the inset layout. Apart from that do we call parse_text
1337 		// up to two times, but need only one check_end_layout.
1338 		bool const forcePlainLayout =
1339 			(!inner_type.empty() || inner_type == "makebox") &&
1340 			outer_type != "shaded" && outer_type != "framed";
1341 		Context context(true, parent_context.textclass);
1342 		if (forcePlainLayout)
1343 			context.layout = &context.textclass.plainLayout();
1344 		else
1345 			context.font = parent_context.font;
1346 
1347 		// If we have no inner box the contents will be read with the outer box
1348 		if (!inner_type.empty())
1349 			parse_text(p, os, inner_flags, outer, context);
1350 
1351 		// Ensure that the end of the outer box is parsed correctly:
1352 		// The opening brace has been eaten by parse_outer_box()
1353 		if (!outer_type.empty() && (outer_flags & FLAG_ITEM)) {
1354 			outer_flags &= ~FLAG_ITEM;
1355 			outer_flags |= FLAG_BRACE_LAST;
1356 		}
1357 
1358 		// Find end of outer box, output contents if inner_type is
1359 		// empty and output possible comments
1360 		if (!outer_type.empty()) {
1361 			// If we already read the inner box we have to pop
1362 			// the inner env
1363 			if (!inner_type.empty() && (inner_flags & FLAG_END))
1364 				active_environments.pop_back();
1365 			// This does not output anything but comments if
1366 			// inner_type is not empty (see use_ert)
1367 			parse_text(p, os, outer_flags, outer, context);
1368 		}
1369 
1370 		context.check_end_layout(os);
1371 		end_inset(os);
1372 #ifdef PRESERVE_LAYOUT
1373 		// LyX puts a % after the end of the minipage
1374 		if (p.next_token().cat() == catNewline && p.next_token().cs().size() > 1) {
1375 			// new paragraph
1376 			//output_comment(p, os, "dummy", parent_context);
1377 			p.get_token();
1378 			p.skip_spaces();
1379 			parent_context.new_paragraph(os);
1380 		}
1381 		else if (p.next_token().cat() == catSpace || p.next_token().cat() == catNewline) {
1382 			//output_comment(p, os, "dummy", parent_context);
1383 			p.get_token();
1384 			p.skip_spaces();
1385 			// We add a protected space if something real follows
1386 			if (p.good() && p.next_token().cat() != catComment) {
1387 				begin_inset(os, "space ~\n");
1388 				end_inset(os);
1389 			}
1390 		}
1391 #endif
1392 	}
1393 	if (inner_type == "minipage" && (!frame_color.empty() || !background_color.empty()))
1394 		active_environments.pop_back();
1395 	if (inner_flags != FLAG_BRACE_LAST && (!frame_color.empty() || !background_color.empty())) {
1396 		// in this case we have to eat the the closing brace of the color box
1397 		p.get_token().asInput(); // the '}'
1398 	}
1399 	if (p.next_token().asInput() == "}") {
1400 		// in this case we assume that the closing brace is from the box settings
1401 		// therefore reset these values for the next box
1402 		fboxrule = "";
1403 		fboxsep = "";
1404 		shadow_size = "";
1405 	}
1406 
1407 	// all boxes except of Frameless and Shaded require calc
1408 	if (!(outer_type.empty() || outer_type == "mbox") &&
1409 		!((outer_type == "shaded" && inner_type.empty()) ||
1410 			     (outer_type == "minipage" && inner_type == "shaded") ||
1411 			     (outer_type == "parbox" && inner_type == "shaded")))
1412 		preamble.registerAutomaticallyLoadedPackage("calc");
1413 }
1414 
1415 
parse_outer_box(Parser & p,ostream & os,unsigned flags,bool outer,Context & parent_context,string const & outer_type,string const & special)1416 void parse_outer_box(Parser & p, ostream & os, unsigned flags, bool outer,
1417                      Context & parent_context, string const & outer_type,
1418                      string const & special)
1419 {
1420 	eat_whitespace(p, os, parent_context, false);
1421 	if (flags & FLAG_ITEM) {
1422 		// Eat '{'
1423 		if (p.next_token().cat() == catBegin)
1424 			p.get_token();
1425 		else
1426 			cerr << "Warning: Ignoring missing '{' after \\"
1427 			     << outer_type << '.' << endl;
1428 		eat_whitespace(p, os, parent_context, false);
1429 	}
1430 	string inner;
1431 	unsigned int inner_flags = 0;
1432 	p.pushPosition();
1433 	if (outer_type == "minipage" || outer_type == "parbox") {
1434 		p.skip_spaces(true);
1435 		while (p.hasOpt()) {
1436 			p.getArg('[', ']');
1437 			p.skip_spaces(true);
1438 		}
1439 		p.getArg('{', '}');
1440 		p.skip_spaces(true);
1441 		if (outer_type == "parbox") {
1442 			// Eat '{'
1443 			if (p.next_token().cat() == catBegin)
1444 				p.get_token();
1445 			p.skip_spaces(true);
1446 		}
1447 	}
1448 	if (outer_type == "shaded" || outer_type == "mbox") {
1449 		// These boxes never have an inner box
1450 		;
1451 	} else if (p.next_token().asInput() == "\\parbox") {
1452 		inner = p.get_token().cs();
1453 		inner_flags = FLAG_ITEM;
1454 	} else if (p.next_token().asInput() == "\\begin") {
1455 		// Is this a minipage or shaded box?
1456 		p.pushPosition();
1457 		p.get_token();
1458 		inner = p.getArg('{', '}');
1459 		p.popPosition();
1460 		if (inner == "minipage" || inner == "shaded")
1461 			inner_flags = FLAG_END;
1462 		else
1463 			inner = "";
1464 	}
1465 	p.popPosition();
1466 	if (inner_flags == FLAG_END) {
1467 		if (inner != "shaded")
1468 		{
1469 			p.get_token();
1470 			p.getArg('{', '}');
1471 			eat_whitespace(p, os, parent_context, false);
1472 		}
1473 		parse_box(p, os, flags, FLAG_END, outer, parent_context,
1474 		          outer_type, special, inner, "", "");
1475 	} else {
1476 		if (inner_flags == FLAG_ITEM) {
1477 			p.get_token();
1478 			eat_whitespace(p, os, parent_context, false);
1479 		}
1480 		parse_box(p, os, flags, inner_flags, outer, parent_context,
1481 		          outer_type, special, inner, "", "");
1482 	}
1483 }
1484 
1485 
parse_listings(Parser & p,ostream & os,Context & parent_context,bool in_line,bool use_minted)1486 void parse_listings(Parser & p, ostream & os, Context & parent_context,
1487 		    bool in_line, bool use_minted)
1488 {
1489 	parent_context.check_layout(os);
1490 	begin_inset(os, "listings\n");
1491 	string arg = p.hasOpt() ? subst(p.verbatimOption(), "\n", "") : string();
1492 	size_t i;
1493 	while ((i = arg.find(", ")) != string::npos
1494 			|| (i = arg.find(",\t")) != string::npos)
1495 		arg.erase(i + 1, 1);
1496 
1497 	if (use_minted) {
1498 		string const language = p.getArg('{', '}');
1499 		p.skip_spaces(true);
1500 		arg += string(arg.empty() ? "" : ",") + "language=" + language;
1501 		if (!minted_float.empty()) {
1502 			arg += string(arg.empty() ? "" : ",") + minted_float;
1503 			minted_nonfloat_caption.clear();
1504 		}
1505 	}
1506 	if (!arg.empty()) {
1507 		os << "lstparams " << '"' << arg << '"' << '\n';
1508 		if (arg.find("\\color") != string::npos)
1509 	                preamble.registerAutomaticallyLoadedPackage("color");
1510 	}
1511 	if (in_line)
1512 		os << "inline true\n";
1513 	else
1514 		os << "inline false\n";
1515 	os << "status open\n";
1516 	Context context(true, parent_context.textclass);
1517 	context.layout = &parent_context.textclass.plainLayout();
1518 	if (use_minted && prefixIs(minted_nonfloat_caption, "[t]")) {
1519 		minted_nonfloat_caption.erase(0,3);
1520 		os << "\n\\begin_layout Plain Layout\n";
1521 		begin_inset(os, "Caption Standard\n");
1522 		Context newcontext(true, context.textclass,
1523 				   context.layout, 0, context.font);
1524 		newcontext.check_layout(os);
1525 		os << minted_nonfloat_caption << "\n";
1526 		newcontext.check_end_layout(os);
1527 		end_inset(os);
1528 		os << "\n\\end_layout\n";
1529 		minted_nonfloat_caption.clear();
1530 	}
1531 	string s;
1532 	if (in_line) {
1533 		// set catcodes to verbatim early, just in case.
1534 		p.setCatcodes(VERBATIM_CATCODES);
1535 		string delim = p.get_token().asInput();
1536 		//FIXME: handler error condition
1537 		s = p.verbatimStuff(delim).second;
1538 //		context.new_paragraph(os);
1539 	} else if (use_minted) {
1540 		s = p.verbatimEnvironment("minted");
1541 	} else {
1542 		s = p.verbatimEnvironment("lstlisting");
1543 	}
1544 	output_ert(os, s, context);
1545 	if (use_minted && prefixIs(minted_nonfloat_caption, "[b]")) {
1546 		minted_nonfloat_caption.erase(0,3);
1547 		os << "\n\\begin_layout Plain Layout\n";
1548 		begin_inset(os, "Caption Standard\n");
1549 		Context newcontext(true, context.textclass,
1550 				   context.layout, 0, context.font);
1551 		newcontext.check_layout(os);
1552 		os << minted_nonfloat_caption << "\n";
1553 		newcontext.check_end_layout(os);
1554 		end_inset(os);
1555 		os << "\n\\end_layout\n";
1556 		minted_nonfloat_caption.clear();
1557 	}
1558 	// Don't close the inset here for floating minted listings.
1559 	// It will be closed at the end of the listing environment.
1560 	if (!use_minted || minted_float.empty())
1561 		end_inset(os);
1562 	else {
1563 		eat_whitespace(p, os, parent_context, true);
1564 		Token t = p.get_token();
1565 		if (t.asInput() != "\\end") {
1566 			// If anything follows, collect it into a caption.
1567 			minted_float_has_caption = true;
1568 			os << "\n\\begin_layout Plain Layout\n"; // outer layout
1569 			begin_inset(os, "Caption Standard\n");
1570 			os << "\n\\begin_layout Plain Layout\n"; // inner layout
1571 		}
1572 		p.putback();
1573 	}
1574 }
1575 
1576 
1577 /// parse an unknown environment
parse_unknown_environment(Parser & p,string const & name,ostream & os,unsigned flags,bool outer,Context & parent_context)1578 void parse_unknown_environment(Parser & p, string const & name, ostream & os,
1579 			       unsigned flags, bool outer,
1580 			       Context & parent_context)
1581 {
1582 	if (name == "tabbing")
1583 		// We need to remember that we have to handle '\=' specially
1584 		flags |= FLAG_TABBING;
1585 
1586 	// We need to translate font changes and paragraphs inside the
1587 	// environment to ERT if we have a non standard font.
1588 	// Otherwise things like
1589 	// \large\begin{foo}\huge bar\end{foo}
1590 	// will not work.
1591 	bool const specialfont =
1592 		(parent_context.font != parent_context.normalfont);
1593 	bool const new_layout_allowed = parent_context.new_layout_allowed;
1594 	if (specialfont)
1595 		parent_context.new_layout_allowed = false;
1596 	output_ert_inset(os, "\\begin{" + name + "}", parent_context);
1597 	// Try to handle options: Look if we have an optional arguments,
1598 	// and if so, put the brackets in ERT.
1599 	while (p.hasOpt()) {
1600 		p.get_token(); // eat '['
1601 		output_ert_inset(os, "[", parent_context);
1602 		os << parse_text_snippet(p, FLAG_BRACK_LAST, outer, parent_context);
1603 		output_ert_inset(os, "]", parent_context);
1604 	}
1605 	parse_text_snippet(p, os, flags, outer, parent_context);
1606 	output_ert_inset(os, "\\end{" + name + "}", parent_context);
1607 	if (specialfont)
1608 		parent_context.new_layout_allowed = new_layout_allowed;
1609 }
1610 
1611 
parse_environment(Parser & p,ostream & os,bool outer,string & last_env,Context & parent_context)1612 void parse_environment(Parser & p, ostream & os, bool outer,
1613                        string & last_env, Context & parent_context)
1614 {
1615 	Layout const * newlayout;
1616 	InsetLayout const * newinsetlayout = 0;
1617 	string const name = p.getArg('{', '}');
1618 	const bool is_starred = suffixIs(name, '*');
1619 	string const unstarred_name = rtrim(name, "*");
1620 	active_environments.push_back(name);
1621 
1622 	if (is_math_env(name)) {
1623 		parent_context.check_layout(os);
1624 		begin_inset(os, "Formula ");
1625 		os << "\\begin{" << name << "}";
1626 		parse_math(p, os, FLAG_END, MATH_MODE);
1627 		os << "\\end{" << name << "}";
1628 		end_inset(os);
1629 		if (is_display_math_env(name)) {
1630 			// Prevent the conversion of a line break to a space
1631 			// (bug 7668). This does not change the output, but
1632 			// looks ugly in LyX.
1633 			eat_whitespace(p, os, parent_context, false);
1634 		}
1635 	}
1636 
1637 	// We need to use fromPolyglossiaEnvironment die to Arabic > arabic
1638 	else if (is_known(fromPolyglossiaEnvironment(name), preamble.polyglossia_languages)) {
1639 		// We must begin a new paragraph if not already done
1640 		if (! parent_context.atParagraphStart()) {
1641 			parent_context.check_end_layout(os);
1642 			parent_context.new_paragraph(os);
1643 		}
1644 		// save the language in the context so that it is
1645 		// handled by parse_text
1646 		parent_context.font.language =
1647 			preamble.polyglossia2lyx(fromPolyglossiaEnvironment(name));
1648 		parse_text(p, os, FLAG_END, outer, parent_context);
1649 		// Just in case the environment is empty
1650 		parent_context.extra_stuff.erase();
1651 		// We must begin a new paragraph to reset the language
1652 		parent_context.new_paragraph(os);
1653 		p.skip_spaces();
1654 	}
1655 
1656 	else if (unstarred_name == "tabular" || name == "longtable") {
1657 		eat_whitespace(p, os, parent_context, false);
1658 		string width = "0pt";
1659 		string halign;
1660 		if (name == "longtable" && p.hasOpt()) {
1661 			string const opt = p.getArg('[', ']');
1662 			if (opt == "c")
1663 				halign = "center";
1664 			else if (opt == "l")
1665 				halign = "left";
1666 			else if (opt == "r")
1667 				halign = "right";
1668 		}
1669 		if (name == "tabular*") {
1670 			width = lyx::translate_len(p.getArg('{', '}'));
1671 			eat_whitespace(p, os, parent_context, false);
1672 		}
1673 		parent_context.check_layout(os);
1674 		begin_inset(os, "Tabular ");
1675 		handle_tabular(p, os, name, width, halign, parent_context);
1676 		end_inset(os);
1677 		p.skip_spaces();
1678 	}
1679 
1680 	else if (parent_context.textclass.floats().typeExist(unstarred_name)) {
1681 		eat_whitespace(p, os, parent_context, false);
1682 		string const opt = p.hasOpt() ? p.getArg('[', ']') : string();
1683 		eat_whitespace(p, os, parent_context, false);
1684 		parent_context.check_layout(os);
1685 		begin_inset(os, "Float " + unstarred_name + "\n");
1686 		// store the float type for subfloats
1687 		// subfloats only work with figures and tables
1688 		if (unstarred_name == "figure")
1689 			float_type = unstarred_name;
1690 		else if (unstarred_name == "table")
1691 			float_type = unstarred_name;
1692 		else
1693 			float_type = "";
1694 		if (!opt.empty())
1695 			os << "placement " << opt << '\n';
1696 		if (contains(opt, "H"))
1697 			preamble.registerAutomaticallyLoadedPackage("float");
1698 		else {
1699 			Floating const & fl = parent_context.textclass.floats()
1700 			                      .getType(unstarred_name);
1701 			if (!fl.floattype().empty() && fl.usesFloatPkg())
1702 				preamble.registerAutomaticallyLoadedPackage("float");
1703 		}
1704 
1705 		os << "wide " << convert<string>(is_starred)
1706 		   << "\nsideways false"
1707 		   << "\nstatus open\n\n";
1708 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1709 		end_inset(os);
1710 		// We don't need really a new paragraph, but
1711 		// we must make sure that the next item gets a \begin_layout.
1712 		parent_context.new_paragraph(os);
1713 		p.skip_spaces();
1714 		// the float is parsed thus delete the type
1715 		float_type = "";
1716 	}
1717 
1718 	else if (unstarred_name == "sidewaysfigure"
1719 		|| unstarred_name == "sidewaystable"
1720 		|| unstarred_name == "sidewaysalgorithm") {
1721 		string const opt = p.hasOpt() ? p.getArg('[', ']') : string();
1722 		eat_whitespace(p, os, parent_context, false);
1723 		parent_context.check_layout(os);
1724 		if (unstarred_name == "sidewaysfigure")
1725 			begin_inset(os, "Float figure\n");
1726 		else if (unstarred_name == "sidewaystable")
1727 			begin_inset(os, "Float table\n");
1728 		else if (unstarred_name == "sidewaysalgorithm")
1729 			begin_inset(os, "Float algorithm\n");
1730 		if (!opt.empty())
1731 			os << "placement " << opt << '\n';
1732 		if (contains(opt, "H"))
1733 			preamble.registerAutomaticallyLoadedPackage("float");
1734 		os << "wide " << convert<string>(is_starred)
1735 		   << "\nsideways true"
1736 		   << "\nstatus open\n\n";
1737 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1738 		end_inset(os);
1739 		// We don't need really a new paragraph, but
1740 		// we must make sure that the next item gets a \begin_layout.
1741 		parent_context.new_paragraph(os);
1742 		p.skip_spaces();
1743 		preamble.registerAutomaticallyLoadedPackage("rotfloat");
1744 	}
1745 
1746 	else if (name == "wrapfigure" || name == "wraptable") {
1747 		// syntax is \begin{wrapfigure}[lines]{placement}[overhang]{width}
1748 		eat_whitespace(p, os, parent_context, false);
1749 		parent_context.check_layout(os);
1750 		// default values
1751 		string lines = "0";
1752 		string overhang = "0col%";
1753 		// parse
1754 		if (p.hasOpt())
1755 			lines = p.getArg('[', ']');
1756 		string const placement = p.getArg('{', '}');
1757 		if (p.hasOpt())
1758 			overhang = p.getArg('[', ']');
1759 		string const width = p.getArg('{', '}');
1760 		// write
1761 		if (name == "wrapfigure")
1762 			begin_inset(os, "Wrap figure\n");
1763 		else
1764 			begin_inset(os, "Wrap table\n");
1765 		os << "lines " << lines
1766 		   << "\nplacement " << placement
1767 		   << "\noverhang " << lyx::translate_len(overhang)
1768 		   << "\nwidth " << lyx::translate_len(width)
1769 		   << "\nstatus open\n\n";
1770 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1771 		end_inset(os);
1772 		// We don't need really a new paragraph, but
1773 		// we must make sure that the next item gets a \begin_layout.
1774 		parent_context.new_paragraph(os);
1775 		p.skip_spaces();
1776 		preamble.registerAutomaticallyLoadedPackage("wrapfig");
1777 	}
1778 
1779 	else if (name == "minipage") {
1780 		eat_whitespace(p, os, parent_context, false);
1781 		// Test whether this is an outer box of a shaded box
1782 		p.pushPosition();
1783 		// swallow arguments
1784 		while (p.hasOpt()) {
1785 			p.getArg('[', ']');
1786 			p.skip_spaces(true);
1787 		}
1788 		p.getArg('{', '}');
1789 		p.skip_spaces(true);
1790 		Token t = p.get_token();
1791 		bool shaded = false;
1792 		if (t.asInput() == "\\begin") {
1793 			p.skip_spaces(true);
1794 			if (p.getArg('{', '}') == "shaded")
1795 				shaded = true;
1796 		}
1797 		p.popPosition();
1798 		if (shaded)
1799 			parse_outer_box(p, os, FLAG_END, outer,
1800 			                parent_context, name, "shaded");
1801 		else
1802 			parse_box(p, os, 0, FLAG_END, outer, parent_context,
1803 			          "", "", name, "", "");
1804 		p.skip_spaces();
1805 	}
1806 
1807 	else if (name == "comment") {
1808 		eat_whitespace(p, os, parent_context, false);
1809 		parent_context.check_layout(os);
1810 		begin_inset(os, "Note Comment\n");
1811 		os << "status open\n";
1812 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1813 		end_inset(os);
1814 		p.skip_spaces();
1815 		skip_braces(p); // eat {} that might by set by LyX behind comments
1816 		preamble.registerAutomaticallyLoadedPackage("verbatim");
1817 	}
1818 
1819 	else if (unstarred_name == "verbatim") {
1820 		// FIXME: this should go in the generic code that
1821 		// handles environments defined in layout file that
1822 		// have "PassThru 1". However, the code over there is
1823 		// already too complicated for my taste.
1824 		string const ascii_name =
1825 			(name == "verbatim*") ? "Verbatim*" : "Verbatim";
1826 		parent_context.new_paragraph(os);
1827 		Context context(true, parent_context.textclass,
1828 				&parent_context.textclass[from_ascii(ascii_name)]);
1829 		string s = p.verbatimEnvironment(name);
1830 		output_ert(os, s, context);
1831 		p.skip_spaces();
1832 	}
1833 
1834 	else if (name == "IPA") {
1835 		eat_whitespace(p, os, parent_context, false);
1836 		parent_context.check_layout(os);
1837 		begin_inset(os, "IPA\n");
1838 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1839 		end_inset(os);
1840 		p.skip_spaces();
1841 		preamble.registerAutomaticallyLoadedPackage("tipa");
1842 		preamble.registerAutomaticallyLoadedPackage("tipx");
1843 	}
1844 
1845 	else if (name == parent_context.textclass.titlename()
1846 		 && parent_context.textclass.titletype() == TITLE_ENVIRONMENT) {
1847 			parse_text(p, os, FLAG_END, outer, parent_context);
1848 			// Just in case the environment is empty
1849 			parent_context.extra_stuff.erase();
1850 			// We must begin a new paragraph
1851 			parent_context.new_paragraph(os);
1852 			p.skip_spaces();
1853 	}
1854 
1855 	else if (name == "CJK") {
1856 		// the scheme is \begin{CJK}{encoding}{mapping}text\end{CJK}
1857 		// It is impossible to decide if a CJK environment was in its own paragraph or within
1858 		// a line. We therefore always assume a paragraph since the latter is a rare case.
1859 		eat_whitespace(p, os, parent_context, false);
1860 		parent_context.check_end_layout(os);
1861 		// store the encoding to be able to reset it
1862 		string const encoding_old = p.getEncoding();
1863 		string const encoding = p.getArg('{', '}');
1864 		// FIXME: For some reason JIS does not work. Although the text
1865 		// in tests/CJK.tex is identical with the SJIS version if you
1866 		// convert both snippets using the recode command line utility,
1867 		// the resulting .lyx file contains some extra characters if
1868 		// you set buggy_encoding to false for JIS.
1869 		bool const buggy_encoding = encoding == "JIS";
1870 		if (!buggy_encoding)
1871 			p.setEncoding(encoding, Encoding::CJK);
1872 		else {
1873 			// FIXME: This will read garbage, since the data is not encoded in utf8.
1874 			p.setEncoding("UTF-8");
1875 		}
1876 		// LyX only supports the same mapping for all CJK
1877 		// environments, so we might need to output everything as ERT
1878 		string const mapping = trim(p.getArg('{', '}'));
1879 		char const * const * const where =
1880 			is_known(encoding, supported_CJK_encodings);
1881 		if (!buggy_encoding && !preamble.fontCJKSet())
1882 			preamble.fontCJK(mapping);
1883 		bool knownMapping = mapping == preamble.fontCJK();
1884 		if (buggy_encoding || !knownMapping || !where) {
1885 			parent_context.check_layout(os);
1886 			output_ert_inset(os, "\\begin{" + name + "}{" + encoding + "}{" + mapping + "}",
1887 				       parent_context);
1888 			// we must parse the content as verbatim because e.g. JIS can contain
1889 			// normally invalid characters
1890 			// FIXME: This works only for the most simple cases.
1891 			//        Since TeX control characters are not parsed,
1892 			//        things like comments are completely wrong.
1893 			string const s = p.plainEnvironment("CJK");
1894 			for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
1895 				string snip;
1896 				snip += *it;
1897 				if (snip == "\\" || is_known(snip, known_escaped_chars))
1898 					output_ert_inset(os, snip, parent_context);
1899 				else if (*it == '\n' && it + 1 != et && s.begin() + 1 != it)
1900 					os << "\n ";
1901 				else
1902 					os << *it;
1903 			}
1904 			output_ert_inset(os, "\\end{" + name + "}",
1905 				       parent_context);
1906 		} else {
1907 			string const lang =
1908 				supported_CJK_languages[where - supported_CJK_encodings];
1909 			// store the language because we must reset it at the end
1910 			string const lang_old = parent_context.font.language;
1911 			parent_context.font.language = lang;
1912 			parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1913 			parent_context.font.language = lang_old;
1914 			parent_context.new_paragraph(os);
1915 		}
1916 		p.setEncoding(encoding_old);
1917 		p.skip_spaces();
1918 	}
1919 
1920 	else if (name == "lyxgreyedout") {
1921 		eat_whitespace(p, os, parent_context, false);
1922 		parent_context.check_layout(os);
1923 		begin_inset(os, "Note Greyedout\n");
1924 		os << "status open\n";
1925 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1926 		end_inset(os);
1927 		p.skip_spaces();
1928 		if (!preamble.notefontcolor().empty())
1929 			preamble.registerAutomaticallyLoadedPackage("color");
1930 	}
1931 
1932 	else if (name == "btSect") {
1933 		eat_whitespace(p, os, parent_context, false);
1934 		parent_context.check_layout(os);
1935 		begin_command_inset(os, "bibtex", "bibtex");
1936 		string bibstyle = "plain";
1937 		if (p.hasOpt()) {
1938 			bibstyle = p.getArg('[', ']');
1939 			p.skip_spaces(true);
1940 		}
1941 		string const bibfile = p.getArg('{', '}');
1942 		eat_whitespace(p, os, parent_context, false);
1943 		Token t = p.get_token();
1944 		if (t.asInput() == "\\btPrintCited") {
1945 			p.skip_spaces(true);
1946 			os << "btprint " << '"' << "btPrintCited" << '"' << "\n";
1947 		}
1948 		if (t.asInput() == "\\btPrintNotCited") {
1949 			p.skip_spaces(true);
1950 			os << "btprint " << '"' << "btPrintNotCited" << '"' << "\n";
1951 		}
1952 		if (t.asInput() == "\\btPrintAll") {
1953 			p.skip_spaces(true);
1954 			os << "btprint " << '"' << "btPrintAll" << '"' << "\n";
1955 		}
1956 		os << "bibfiles " << '"' << bibfile << "\"\n"
1957 		   << "options " << '"' << bibstyle << "\"\n";
1958 		parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1959 		end_inset(os);
1960 		p.skip_spaces();
1961 	}
1962 
1963 	else if (name == "btUnit") {
1964 		string const nt = p.next_next_token().cs();
1965 		// Do not attempt to overwrite a former diverging multibib.
1966 		// Those are output as ERT instead.
1967 		if ((nt == "part" || nt == "chapter"
1968 		     || nt == "section" || nt == "subsection")
1969 		   && (preamble.multibib().empty() || preamble.multibib() == nt)) {
1970 			parse_text(p, os, FLAG_END, outer, parent_context);
1971 			preamble.multibib(nt);
1972 		} else
1973 			parse_unknown_environment(p, name, os, FLAG_END, outer,
1974 						  parent_context);
1975 	}
1976 
1977 	else if (name == "framed" || name == "shaded") {
1978 		eat_whitespace(p, os, parent_context, false);
1979 		parse_outer_box(p, os, FLAG_END, outer, parent_context, name, "");
1980 		p.skip_spaces();
1981 		preamble.registerAutomaticallyLoadedPackage("framed");
1982 	}
1983 
1984 	else if (name == "listing") {
1985 		minted_float = "float";
1986 		eat_whitespace(p, os, parent_context, false);
1987 		string const opt = p.hasOpt() ? p.getArg('[', ']') : string();
1988 		if (!opt.empty())
1989 			minted_float += "=" + opt;
1990 		// If something precedes \begin{minted}, we output it at the end
1991 		// as a caption, in order to keep it inside the listings inset.
1992 		eat_whitespace(p, os, parent_context, true);
1993 		p.pushPosition();
1994 		Token const & t = p.get_token();
1995 		p.skip_spaces(true);
1996 		string const envname = p.next_token().cat() == catBegin
1997 						? p.getArg('{', '}') : string();
1998 		bool prologue = t.asInput() != "\\begin" || envname != "minted";
1999 		p.popPosition();
2000 		minted_float_has_caption = false;
2001 		string content = parse_text_snippet(p, FLAG_END, outer,
2002 		                                    parent_context);
2003 		size_t i = content.find("\\begin_inset listings");
2004 		bool minted_env = i != string::npos;
2005 		string caption;
2006 		if (prologue) {
2007 			caption = content.substr(0, i);
2008 			content.erase(0, i);
2009 		}
2010 		parent_context.check_layout(os);
2011 		if (minted_env && minted_float_has_caption) {
2012 			eat_whitespace(p, os, parent_context, true);
2013 			os << content << "\n";
2014 			if (!caption.empty())
2015 				os << caption << "\n";
2016 			os << "\n\\end_layout\n"; // close inner layout
2017 			end_inset(os);            // close caption inset
2018 			os << "\n\\end_layout\n"; // close outer layout
2019 		} else if (!caption.empty()) {
2020 			if (!minted_env) {
2021 				begin_inset(os, "listings\n");
2022 				os << "lstparams " << '"' << minted_float << '"' << '\n';
2023 				os << "inline false\n";
2024 				os << "status collapsed\n";
2025 			}
2026 			os << "\n\\begin_layout Plain Layout\n";
2027 			begin_inset(os, "Caption Standard\n");
2028 			Context newcontext(true, parent_context.textclass,
2029 			                   0, 0, parent_context.font);
2030 			newcontext.check_layout(os);
2031 			os << caption << "\n";
2032 			newcontext.check_end_layout(os);
2033 			end_inset(os);
2034 			os << "\n\\end_layout\n";
2035 		} else if (content.empty()) {
2036 			begin_inset(os, "listings\n");
2037 			os << "lstparams " << '"' << minted_float << '"' << '\n';
2038 			os << "inline false\n";
2039 			os << "status collapsed\n";
2040 		} else {
2041 			os << content << "\n";
2042 		}
2043 		end_inset(os); // close listings inset
2044 		parent_context.check_end_layout(os);
2045 		parent_context.new_paragraph(os);
2046 		p.skip_spaces();
2047 		minted_float.clear();
2048 		minted_float_has_caption = false;
2049 	}
2050 
2051 	else if (name == "lstlisting" || name == "minted") {
2052 		bool use_minted = name == "minted";
2053 		eat_whitespace(p, os, parent_context, false);
2054 		if (use_minted && minted_float.empty()) {
2055 			// look ahead for a bottom caption
2056 			p.pushPosition();
2057 			bool found_end_minted = false;
2058 			while (!found_end_minted && p.good()) {
2059 				Token const & t = p.get_token();
2060 				p.skip_spaces();
2061 				string const envname =
2062 					p.next_token().cat() == catBegin
2063 						? p.getArg('{', '}') : string();
2064 				found_end_minted = t.asInput() == "\\end"
2065 							&& envname == "minted";
2066 			}
2067 			eat_whitespace(p, os, parent_context, true);
2068 			Token const & t = p.get_token();
2069 			p.skip_spaces(true);
2070 			if (t.asInput() == "\\lyxmintcaption") {
2071 				string const pos = p.getArg('[', ']');
2072 				if (pos == "b") {
2073 					string const caption =
2074 						parse_text_snippet(p, FLAG_ITEM,
2075 							false, parent_context);
2076 					minted_nonfloat_caption = "[b]" + caption;
2077 					eat_whitespace(p, os, parent_context, true);
2078 				}
2079 			}
2080 			p.popPosition();
2081 		}
2082 		parse_listings(p, os, parent_context, false, use_minted);
2083 		p.skip_spaces();
2084 	}
2085 
2086 	else if (!parent_context.new_layout_allowed)
2087 		parse_unknown_environment(p, name, os, FLAG_END, outer,
2088 					  parent_context);
2089 
2090 	// Alignment and spacing settings
2091 	// FIXME (bug xxxx): These settings can span multiple paragraphs and
2092 	//					 therefore are totally broken!
2093 	// Note that \centering, \raggedright, and \raggedleft cannot be handled, as
2094 	// they are commands not environments. They are furthermore switches that
2095 	// can be ended by another switches, but also by commands like \footnote or
2096 	// \parbox. So the only safe way is to leave them untouched.
2097 	// However, we support the pseudo-environments
2098 	// \begin{centering} ... \end{centering}
2099 	// \begin{raggedright} ... \end{raggedright}
2100 	// \begin{raggedleft} ... \end{raggedleft}
2101 	// since they are used by LyX in floats (for spacing reasons)
2102 	else if (name == "center" || name == "centering" ||
2103 		 name == "flushleft" || name == "raggedright" ||
2104 		 name == "flushright" || name == "raggedleft" ||
2105 		 name == "singlespace" || name == "onehalfspace" ||
2106 		 name == "doublespace" || name == "spacing") {
2107 		eat_whitespace(p, os, parent_context, false);
2108 		// We must begin a new paragraph if not already done
2109 		if (! parent_context.atParagraphStart()) {
2110 			parent_context.check_end_layout(os);
2111 			parent_context.new_paragraph(os);
2112 		}
2113 		if (name == "flushleft" || name == "raggedright")
2114 			parent_context.add_extra_stuff("\\align left\n");
2115 		else if (name == "flushright" || name == "raggedleft")
2116 			parent_context.add_extra_stuff("\\align right\n");
2117 		else if (name == "center" || name == "centering")
2118 			parent_context.add_extra_stuff("\\align center\n");
2119 		else if (name == "singlespace")
2120 			parent_context.add_extra_stuff("\\paragraph_spacing single\n");
2121 		else if (name == "onehalfspace") {
2122 			parent_context.add_extra_stuff("\\paragraph_spacing onehalf\n");
2123 			preamble.registerAutomaticallyLoadedPackage("setspace");
2124 		} else if (name == "doublespace") {
2125 			parent_context.add_extra_stuff("\\paragraph_spacing double\n");
2126 			preamble.registerAutomaticallyLoadedPackage("setspace");
2127 		} else if (name == "spacing") {
2128 			parent_context.add_extra_stuff("\\paragraph_spacing other " + p.verbatim_item() + "\n");
2129 			preamble.registerAutomaticallyLoadedPackage("setspace");
2130 		}
2131 		parse_text(p, os, FLAG_END, outer, parent_context);
2132 		// Just in case the environment is empty
2133 		parent_context.extra_stuff.erase();
2134 		// We must begin a new paragraph to reset the alignment
2135 		parent_context.new_paragraph(os);
2136 		p.skip_spaces();
2137 	}
2138 
2139 	// The single '=' is meant here.
2140 	else if ((newlayout = findLayout(parent_context.textclass, name, false))) {
2141 		eat_whitespace(p, os, parent_context, false);
2142 		Context context(true, parent_context.textclass, newlayout,
2143 				parent_context.layout, parent_context.font);
2144 		if (parent_context.deeper_paragraph) {
2145 			// We are beginning a nested environment after a
2146 			// deeper paragraph inside the outer list environment.
2147 			// Therefore we don't need to output a "begin deeper".
2148 			context.need_end_deeper = true;
2149 		}
2150 		parent_context.check_end_layout(os);
2151 		if (last_env == name) {
2152 			// we need to output a separator since LyX would export
2153 			// the two environments as one otherwise (bug 5716)
2154 			TeX2LyXDocClass const & textclass(parent_context.textclass);
2155 			Context newcontext(true, textclass,
2156 					&(textclass.defaultLayout()));
2157 			newcontext.check_layout(os);
2158 			begin_inset(os, "Separator plain\n");
2159 			end_inset(os);
2160 			newcontext.check_end_layout(os);
2161 		}
2162 		switch (context.layout->latextype) {
2163 		case  LATEX_LIST_ENVIRONMENT:
2164 			context.add_par_extra_stuff("\\labelwidthstring "
2165 						    + p.verbatim_item() + '\n');
2166 			p.skip_spaces();
2167 			break;
2168 		case  LATEX_BIB_ENVIRONMENT:
2169 			p.verbatim_item(); // swallow next arg
2170 			p.skip_spaces();
2171 			break;
2172 		default:
2173 			break;
2174 		}
2175 		context.check_deeper(os);
2176 		if (newlayout->keepempty) {
2177 			// We need to start a new paragraph
2178 			// even if it is empty.
2179 			context.new_paragraph(os);
2180 			context.check_layout(os);
2181 		}
2182 		// handle known optional and required arguments
2183 		if (context.layout->latextype == LATEX_ENVIRONMENT)
2184 			output_arguments(os, p, outer, false, string(), context,
2185 			                 context.layout->latexargs());
2186 		else if (context.layout->latextype == LATEX_ITEM_ENVIRONMENT) {
2187 			ostringstream oss;
2188 			output_arguments(oss, p, outer, false, string(), context,
2189 			                 context.layout->latexargs());
2190 			context.list_extra_stuff = oss.str();
2191 		}
2192 		parse_text(p, os, FLAG_END, outer, context);
2193 		if (context.layout->latextype == LATEX_ENVIRONMENT)
2194 			output_arguments(os, p, outer, false, "post", context,
2195 			                 context.layout->postcommandargs());
2196 		context.check_end_layout(os);
2197 		if (parent_context.deeper_paragraph) {
2198 			// We must suppress the "end deeper" because we
2199 			// suppressed the "begin deeper" above.
2200 			context.need_end_deeper = false;
2201 		}
2202 		context.check_end_deeper(os);
2203 		parent_context.new_paragraph(os);
2204 		p.skip_spaces();
2205 		if (!preamble.titleLayoutFound())
2206 			preamble.titleLayoutFound(newlayout->intitle);
2207 		set<string> const & req = newlayout->requires();
2208 		set<string>::const_iterator it = req.begin();
2209 		set<string>::const_iterator en = req.end();
2210 		for (; it != en; ++it)
2211 			preamble.registerAutomaticallyLoadedPackage(*it);
2212 	}
2213 
2214 	// The single '=' is meant here.
2215 	else if ((newinsetlayout = findInsetLayout(parent_context.textclass, name, false))) {
2216 		eat_whitespace(p, os, parent_context, false);
2217 		parent_context.check_layout(os);
2218 		begin_inset(os, "Flex ");
2219 		os << to_utf8(newinsetlayout->name()) << '\n'
2220 		   << "status collapsed\n";
2221 		if (newinsetlayout->isPassThru()) {
2222 			string const arg = p.verbatimEnvironment(name);
2223 			Context context(true, parent_context.textclass,
2224 					&parent_context.textclass.plainLayout(),
2225 					parent_context.layout);
2226 			output_ert(os, arg, parent_context);
2227 		} else
2228 			parse_text_in_inset(p, os, FLAG_END, false, parent_context, newinsetlayout);
2229 		end_inset(os);
2230 	}
2231 
2232 	else if (name == "appendix") {
2233 		// This is no good latex style, but it works and is used in some documents...
2234 		eat_whitespace(p, os, parent_context, false);
2235 		parent_context.check_end_layout(os);
2236 		Context context(true, parent_context.textclass, parent_context.layout,
2237 				parent_context.layout, parent_context.font);
2238 		context.check_layout(os);
2239 		os << "\\start_of_appendix\n";
2240 		parse_text(p, os, FLAG_END, outer, context);
2241 		context.check_end_layout(os);
2242 		p.skip_spaces();
2243 	}
2244 
2245 	else if (known_environments.find(name) != known_environments.end()) {
2246 		vector<ArgumentType> arguments = known_environments[name];
2247 		// The last "argument" denotes wether we may translate the
2248 		// environment contents to LyX
2249 		// The default required if no argument is given makes us
2250 		// compatible with the reLyXre environment.
2251 		ArgumentType contents = arguments.empty() ?
2252 			required :
2253 			arguments.back();
2254 		if (!arguments.empty())
2255 			arguments.pop_back();
2256 		// See comment in parse_unknown_environment()
2257 		bool const specialfont =
2258 			(parent_context.font != parent_context.normalfont);
2259 		bool const new_layout_allowed =
2260 			parent_context.new_layout_allowed;
2261 		if (specialfont)
2262 			parent_context.new_layout_allowed = false;
2263 		parse_arguments("\\begin{" + name + "}", arguments, p, os,
2264 				outer, parent_context);
2265 		if (contents == verbatim)
2266 			output_ert_inset(os, p.ertEnvironment(name),
2267 				   parent_context);
2268 		else
2269 			parse_text_snippet(p, os, FLAG_END, outer,
2270 					   parent_context);
2271 		output_ert_inset(os, "\\end{" + name + "}", parent_context);
2272 		if (specialfont)
2273 			parent_context.new_layout_allowed = new_layout_allowed;
2274 	}
2275 
2276 	else
2277 		parse_unknown_environment(p, name, os, FLAG_END, outer,
2278 					  parent_context);
2279 
2280 	last_env = name;
2281 	active_environments.pop_back();
2282 }
2283 
2284 
2285 /// parses a comment and outputs it to \p os.
parse_comment(Parser & p,ostream & os,Token const & t,Context & context)2286 void parse_comment(Parser & p, ostream & os, Token const & t, Context & context)
2287 {
2288 	LASSERT(t.cat() == catComment, return);
2289 	if (!t.cs().empty()) {
2290 		context.check_layout(os);
2291 		output_comment(p, os, t.cs(), context);
2292 		if (p.next_token().cat() == catNewline) {
2293 			// A newline after a comment line starts a new
2294 			// paragraph
2295 			if (context.new_layout_allowed) {
2296 				if(!context.atParagraphStart())
2297 					// Only start a new paragraph if not already
2298 					// done (we might get called recursively)
2299 					context.new_paragraph(os);
2300 			} else
2301 				output_ert_inset(os, "\n", context);
2302 			eat_whitespace(p, os, context, true);
2303 		}
2304 	} else {
2305 		// "%\n" combination
2306 		p.skip_spaces();
2307 	}
2308 }
2309 
2310 
2311 /*!
2312  * Reads spaces and comments until the first non-space, non-comment token.
2313  * New paragraphs (double newlines or \\par) are handled like simple spaces
2314  * if \p eatParagraph is true.
2315  * Spaces are skipped, but comments are written to \p os.
2316  */
eat_whitespace(Parser & p,ostream & os,Context & context,bool eatParagraph)2317 void eat_whitespace(Parser & p, ostream & os, Context & context,
2318 		    bool eatParagraph)
2319 {
2320 	while (p.good()) {
2321 		Token const & t = p.get_token();
2322 		if (t.cat() == catComment)
2323 			parse_comment(p, os, t, context);
2324 		else if ((! eatParagraph && p.isParagraph()) ||
2325 			 (t.cat() != catSpace && t.cat() != catNewline)) {
2326 			p.putback();
2327 			return;
2328 		}
2329 	}
2330 }
2331 
2332 
2333 /*!
2334  * Set a font attribute, parse text and reset the font attribute.
2335  * \param attribute Attribute name (e.g. \\family, \\shape etc.)
2336  * \param currentvalue Current value of the attribute. Is set to the new
2337  * value during parsing.
2338  * \param newvalue New value of the attribute
2339  */
parse_text_attributes(Parser & p,ostream & os,unsigned flags,bool outer,Context & context,string const & attribute,string & currentvalue,string const & newvalue)2340 void parse_text_attributes(Parser & p, ostream & os, unsigned flags, bool outer,
2341 			   Context & context, string const & attribute,
2342 			   string & currentvalue, string const & newvalue)
2343 {
2344 	context.check_layout(os);
2345 	string const oldvalue = currentvalue;
2346 	currentvalue = newvalue;
2347 	os << '\n' << attribute << ' ' << newvalue << "\n";
2348 	parse_text_snippet(p, os, flags, outer, context);
2349 	context.check_layout(os);
2350 	os << '\n' << attribute << ' ' << oldvalue << "\n";
2351 	currentvalue = oldvalue;
2352 }
2353 
2354 
2355 /// get the arguments of a natbib or jurabib citation command
get_cite_arguments(Parser & p,bool natbibOrder,string & before,string & after,bool const qualified=false)2356 void get_cite_arguments(Parser & p, bool natbibOrder,
2357 	string & before, string & after, bool const qualified = false)
2358 {
2359 	// We need to distinguish "" and "[]", so we can't use p.getOpt().
2360 
2361 	// text before the citation
2362 	before.clear();
2363 	// text after the citation
2364 	after = qualified ? p.getFullOpt(false, '(', ')') : p.getFullOpt();
2365 
2366 	if (!after.empty()) {
2367 		before = qualified ? p.getFullOpt(false, '(', ')') : p.getFullOpt();
2368 		if (natbibOrder && !before.empty())
2369 			swap(before, after);
2370 	}
2371 }
2372 
2373 
copy_file(FileName const & src,string dstname)2374 void copy_file(FileName const & src, string dstname)
2375 {
2376 	if (!copyFiles())
2377 		return;
2378 	string const absParent = getParentFilePath(false);
2379 	FileName dst;
2380 	if (FileName::isAbsolute(dstname))
2381 		dst = FileName(dstname);
2382 	else
2383 		dst = makeAbsPath(dstname, absParent);
2384 	FileName const srcpath = src.onlyPath();
2385 	FileName const dstpath = dst.onlyPath();
2386 	if (equivalent(srcpath, dstpath))
2387 		return;
2388 	if (!dstpath.isDirectory()) {
2389 		if (!dstpath.createPath()) {
2390 			cerr << "Warning: Could not create directory for file `"
2391 			     << dst.absFileName() << "´." << endl;
2392 			return;
2393 		}
2394 	}
2395 	if (dst.isReadableFile()) {
2396 		if (overwriteFiles())
2397 			cerr << "Warning: Overwriting existing file `"
2398 			     << dst.absFileName() << "´." << endl;
2399 		else {
2400 			cerr << "Warning: Not overwriting existing file `"
2401 			     << dst.absFileName() << "´." << endl;
2402 			return;
2403 		}
2404 	}
2405 	if (!src.copyTo(dst))
2406 		cerr << "Warning: Could not copy file `" << src.absFileName()
2407 		     << "´ to `" << dst.absFileName() << "´." << endl;
2408 }
2409 
2410 
2411 /// Parse a literate Chunk section. The initial "<<" is already parsed.
parse_chunk(Parser & p,ostream & os,Context & context)2412 bool parse_chunk(Parser & p, ostream & os, Context & context)
2413 {
2414 	// check whether a chunk is possible here.
2415 	if (!context.textclass.hasInsetLayout(from_ascii("Flex:Chunk"))) {
2416 		return false;
2417 	}
2418 
2419 	p.pushPosition();
2420 
2421 	// read the parameters
2422 	Parser::Arg const params = p.verbatimStuff(">>=\n", false);
2423 	if (!params.first) {
2424 		p.popPosition();
2425 		return false;
2426 	}
2427 
2428 	Parser::Arg const code = p.verbatimStuff("\n@");
2429 	if (!code.first) {
2430 		p.popPosition();
2431 		return false;
2432 	}
2433 	string const post_chunk = p.verbatimStuff("\n").second + '\n';
2434 	if (post_chunk[0] != ' ' && post_chunk[0] != '\n') {
2435 		p.popPosition();
2436 		return false;
2437 	}
2438 	// The last newline read is important for paragraph handling
2439 	p.putback();
2440 	p.deparse();
2441 
2442 	//cerr << "params=[" << params.second << "], code=[" << code.second << "]" <<endl;
2443 	// We must have a valid layout before outputting the Chunk inset.
2444 	context.check_layout(os);
2445 	Context chunkcontext(true, context.textclass);
2446 	chunkcontext.layout = &context.textclass.plainLayout();
2447 	begin_inset(os, "Flex Chunk");
2448 	os << "\nstatus open\n";
2449 	if (!params.second.empty()) {
2450 		chunkcontext.check_layout(os);
2451 		Context paramscontext(true, context.textclass);
2452 		paramscontext.layout = &context.textclass.plainLayout();
2453 		begin_inset(os, "Argument 1");
2454 		os << "\nstatus open\n";
2455 		output_ert(os, params.second, paramscontext);
2456 		end_inset(os);
2457 	}
2458 	output_ert(os, code.second, chunkcontext);
2459 	end_inset(os);
2460 
2461 	p.dropPosition();
2462 	return true;
2463 }
2464 
2465 
2466 /// detects \\def, \\long\\def and \\global\\long\\def with ws and comments
is_macro(Parser & p)2467 bool is_macro(Parser & p)
2468 {
2469 	Token first = p.curr_token();
2470 	if (first.cat() != catEscape || !p.good())
2471 		return false;
2472 	if (first.cs() == "def")
2473 		return true;
2474 	if (first.cs() != "global" && first.cs() != "long")
2475 		return false;
2476 	Token second = p.get_token();
2477 	int pos = 1;
2478 	while (p.good() && !p.isParagraph() && (second.cat() == catSpace ||
2479 	       second.cat() == catNewline || second.cat() == catComment)) {
2480 		second = p.get_token();
2481 		pos++;
2482 	}
2483 	bool secondvalid = second.cat() == catEscape;
2484 	Token third;
2485 	bool thirdvalid = false;
2486 	if (p.good() && first.cs() == "global" && secondvalid &&
2487 	    second.cs() == "long") {
2488 		third = p.get_token();
2489 		pos++;
2490 		while (p.good() && !p.isParagraph() &&
2491 		       (third.cat() == catSpace ||
2492 		        third.cat() == catNewline ||
2493 		        third.cat() == catComment)) {
2494 			third = p.get_token();
2495 			pos++;
2496 		}
2497 		thirdvalid = third.cat() == catEscape;
2498 	}
2499 	for (int i = 0; i < pos; ++i)
2500 		p.putback();
2501 	if (!secondvalid)
2502 		return false;
2503 	if (!thirdvalid)
2504 		return (first.cs() == "global" || first.cs() == "long") &&
2505 		       second.cs() == "def";
2506 	return first.cs() == "global" && second.cs() == "long" &&
2507 	       third.cs() == "def";
2508 }
2509 
2510 
2511 /// Parse a macro definition (assumes that is_macro() returned true)
parse_macro(Parser & p,ostream & os,Context & context)2512 void parse_macro(Parser & p, ostream & os, Context & context)
2513 {
2514 	context.check_layout(os);
2515 	Token first = p.curr_token();
2516 	Token second;
2517 	Token third;
2518 	string command = first.asInput();
2519 	if (first.cs() != "def") {
2520 		p.get_token();
2521 		eat_whitespace(p, os, context, false);
2522 		second = p.curr_token();
2523 		command += second.asInput();
2524 		if (second.cs() != "def") {
2525 			p.get_token();
2526 			eat_whitespace(p, os, context, false);
2527 			third = p.curr_token();
2528 			command += third.asInput();
2529 		}
2530 	}
2531 	eat_whitespace(p, os, context, false);
2532 	string const name = p.get_token().cs();
2533 	eat_whitespace(p, os, context, false);
2534 
2535 	// parameter text
2536 	bool simple = true;
2537 	string paramtext;
2538 	int arity = 0;
2539 	while (p.next_token().cat() != catBegin) {
2540 		if (p.next_token().cat() == catParameter) {
2541 			// # found
2542 			p.get_token();
2543 			paramtext += "#";
2544 
2545 			// followed by number?
2546 			if (p.next_token().cat() == catOther) {
2547 				string s = p.get_token().asInput();
2548 				paramtext += s;
2549 				// number = current arity + 1?
2550 				if (s.size() == 1 && s[0] == arity + '0' + 1)
2551 					++arity;
2552 				else
2553 					simple = false;
2554 			} else
2555 				paramtext += p.get_token().cs();
2556 		} else {
2557 			paramtext += p.get_token().cs();
2558 			simple = false;
2559 		}
2560 	}
2561 
2562 	// only output simple (i.e. compatible) macro as FormulaMacros
2563 	string ert = '\\' + name + ' ' + paramtext + '{' + p.verbatim_item() + '}';
2564 	if (simple) {
2565 		context.check_layout(os);
2566 		begin_inset(os, "FormulaMacro");
2567 		os << "\n\\def" << ert;
2568 		end_inset(os);
2569 	} else
2570 		output_ert_inset(os, command + ert, context);
2571 }
2572 
2573 
registerExternalTemplatePackages(string const & name)2574 void registerExternalTemplatePackages(string const & name)
2575 {
2576 	external::TemplateManager const & etm = external::TemplateManager::get();
2577 	external::Template const * const et = etm.getTemplateByName(name);
2578 	if (!et)
2579 		return;
2580 	external::Template::Formats::const_iterator cit = et->formats.end();
2581 	if (pdflatex)
2582 	        cit = et->formats.find("PDFLaTeX");
2583 	if (cit == et->formats.end())
2584 		// If the template has not specified a PDFLaTeX output,
2585 		// we try the LaTeX format.
2586 		cit = et->formats.find("LaTeX");
2587 	if (cit == et->formats.end())
2588 		return;
2589 	vector<string>::const_iterator qit = cit->second.requirements.begin();
2590 	vector<string>::const_iterator qend = cit->second.requirements.end();
2591 	for (; qit != qend; ++qit)
2592 		preamble.registerAutomaticallyLoadedPackage(*qit);
2593 }
2594 
2595 } // anonymous namespace
2596 
2597 
2598 /*!
2599  * Find a file with basename \p name in path \p path and an extension
2600  * in \p extensions.
2601  */
find_file(string const & name,string const & path,char const * const * extensions)2602 string find_file(string const & name, string const & path,
2603 		 char const * const * extensions)
2604 {
2605 	for (char const * const * what = extensions; *what; ++what) {
2606 		string const trial = addExtension(name, *what);
2607 		if (makeAbsPath(trial, path).exists())
2608 			return trial;
2609 	}
2610 	return string();
2611 }
2612 
2613 
2614 /// Convert filenames with TeX macros and/or quotes to something LyX
2615 /// can understand
normalize_filename(string const & name)2616 string const normalize_filename(string const & name)
2617 {
2618 	Parser p(name);
2619 	ostringstream os;
2620 	while (p.good()) {
2621 		Token const & t = p.get_token();
2622 		if (t.cat() != catEscape)
2623 			os << t.asInput();
2624 		else if (t.cs() == "lyxdot") {
2625 			// This is used by LyX for simple dots in relative
2626 			// names
2627 			os << '.';
2628 			p.skip_spaces();
2629 		} else if (t.cs() == "space") {
2630 			os << ' ';
2631 			p.skip_spaces();
2632 		} else if (t.cs() == "string") {
2633 			// Convert \string" to " and \string~ to ~
2634 			Token const & n = p.next_token();
2635 			if (n.asInput() != "\"" && n.asInput() != "~")
2636 				os << t.asInput();
2637 		} else
2638 			os << t.asInput();
2639 	}
2640 	// Strip quotes. This is a bit complicated (see latex_path()).
2641 	string full = os.str();
2642 	if (!full.empty() && full[0] == '"') {
2643 		string base = removeExtension(full);
2644 		string ext = getExtension(full);
2645 		if (!base.empty() && base[base.length()-1] == '"')
2646 			// "a b"
2647 			// "a b".tex
2648 			return addExtension(trim(base, "\""), ext);
2649 		if (full[full.length()-1] == '"')
2650 			// "a b.c"
2651 			// "a b.c".tex
2652 			return trim(full, "\"");
2653 	}
2654 	return full;
2655 }
2656 
2657 
2658 /// Convert \p name from TeX convention (relative to master file) to LyX
2659 /// convention (relative to .lyx file) if it is relative
fix_child_filename(string & name)2660 void fix_child_filename(string & name)
2661 {
2662 	string const absMasterTeX = getMasterFilePath(true);
2663 	bool const isabs = FileName::isAbsolute(name);
2664 	// convert from "relative to .tex master" to absolute original path
2665 	if (!isabs)
2666 		name = makeAbsPath(name, absMasterTeX).absFileName();
2667 	bool copyfile = copyFiles();
2668 	string const absParentLyX = getParentFilePath(false);
2669 	string abs = name;
2670 	if (copyfile) {
2671 		// convert from absolute original path to "relative to master file"
2672 		string const rel = to_utf8(makeRelPath(from_utf8(name),
2673 						       from_utf8(absMasterTeX)));
2674 		// re-interpret "relative to .tex file" as "relative to .lyx file"
2675 		// (is different if the master .lyx file resides in a
2676 		// different path than the master .tex file)
2677 		string const absMasterLyX = getMasterFilePath(false);
2678 		abs = makeAbsPath(rel, absMasterLyX).absFileName();
2679 		// Do not copy if the new path is impossible to create. Example:
2680 		// absMasterTeX = "/foo/bar/"
2681 		// absMasterLyX = "/bar/"
2682 		// name = "/baz.eps" => new absolute name would be "/../baz.eps"
2683 		if (contains(name, "/../"))
2684 			copyfile = false;
2685 	}
2686 	if (copyfile) {
2687 		if (isabs)
2688 			name = abs;
2689 		else {
2690 			// convert from absolute original path to
2691 			// "relative to .lyx file"
2692 			name = to_utf8(makeRelPath(from_utf8(abs),
2693 						   from_utf8(absParentLyX)));
2694 		}
2695 	}
2696 	else if (!isabs) {
2697 		// convert from absolute original path to "relative to .lyx file"
2698 		name = to_utf8(makeRelPath(from_utf8(name),
2699 					   from_utf8(absParentLyX)));
2700 	}
2701 }
2702 
2703 
parse_text(Parser & p,ostream & os,unsigned flags,bool outer,Context & context,string const rdelim)2704 void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
2705 		Context & context, string const rdelim)
2706 {
2707 	Layout const * newlayout = 0;
2708 	InsetLayout const * newinsetlayout = 0;
2709 	char const * const * where = 0;
2710 	// Store the latest bibliographystyle, addcontentslineContent and
2711 	// nocite{*} option (needed for bibtex inset)
2712 	string btprint;
2713 	string contentslineContent;
2714 	// Some classes provide a \bibliographystyle, so do not output
2715 	// any if none is explicitly set.
2716 	string bibliographystyle;
2717 	bool const use_natbib = isProvided("natbib");
2718 	bool const use_jurabib = isProvided("jurabib");
2719 	bool const use_biblatex = isProvided("biblatex")
2720 			&& preamble.citeEngine() != "biblatex-natbib";
2721 	bool const use_biblatex_natbib = isProvided("biblatex-natbib")
2722 			|| (isProvided("biblatex") && preamble.citeEngine() == "biblatex-natbib");
2723 	need_commentbib = use_biblatex || use_biblatex_natbib;
2724 	string last_env;
2725 
2726 	// it is impossible to determine the correct encoding for non-CJK Japanese.
2727 	// Therefore write a note at the beginning of the document
2728 	if (is_nonCJKJapanese) {
2729 		context.check_layout(os);
2730 		begin_inset(os, "Note Note\n");
2731 		os << "status open\n\\begin_layout Plain Layout\n"
2732 		   << "\\series bold\n"
2733 		   << "Important information:\n"
2734 		   << "\\end_layout\n\n"
2735 		   << "\\begin_layout Plain Layout\n"
2736 		   << "The original LaTeX source for this document is in Japanese (pLaTeX).\n"
2737 		   << " It was therefore impossible for tex2lyx to determine the correct encoding.\n"
2738 		   << " The iconv encoding " << p.getEncoding() << " was used.\n"
2739 		   << " If this is incorrect, you must run the tex2lyx program on the command line\n"
2740 		   << " and specify the encoding using the -e command-line switch.\n"
2741 		   << " In addition, you might want to double check that the desired output encoding\n"
2742 		   << " is correctly selected in Document > Settings > Language.\n"
2743 		   << "\\end_layout\n";
2744 		end_inset(os);
2745 		is_nonCJKJapanese = false;
2746 	}
2747 
2748 	bool have_cycled = false;
2749 	while (p.good()) {
2750 		// Leave here only after at least one cycle
2751 		if (have_cycled && flags & FLAG_LEAVE) {
2752 			flags &= ~FLAG_LEAVE;
2753 			break;
2754 		}
2755 
2756 		Token const & t = p.get_token();
2757 #ifdef FILEDEBUG
2758 		debugToken(cerr, t, flags);
2759 #endif
2760 
2761 		if (flags & FLAG_ITEM) {
2762 			if (t.cat() == catSpace)
2763 				continue;
2764 
2765 			flags &= ~FLAG_ITEM;
2766 			if (t.cat() == catBegin) {
2767 				// skip the brace and collect everything to the next matching
2768 				// closing brace
2769 				flags |= FLAG_BRACE_LAST;
2770 				continue;
2771 			}
2772 
2773 			// handle only this single token, leave the loop if done
2774 			flags |= FLAG_LEAVE;
2775 		}
2776 
2777 		if (t.cat() != catEscape && t.character() == ']' &&
2778 		    (flags & FLAG_BRACK_LAST))
2779 			return;
2780 		if (t.cat() == catEnd && (flags & FLAG_BRACE_LAST))
2781 			return;
2782 		string tok = t.asInput();
2783 		// we only support delimiters with max 2 chars for now.
2784 		if (rdelim.size() > 1)
2785 			tok += p.next_token().asInput();
2786 		if (t.cat() != catEscape && !rdelim.empty()
2787 		    && tok == rdelim && (flags & FLAG_RDELIM)) {
2788 		    	if (rdelim.size() > 1)
2789 		    		p.get_token(); // eat rdelim
2790 			return;
2791 		}
2792 
2793 		// If there is anything between \end{env} and \begin{env} we
2794 		// don't need to output a separator.
2795 		if (t.cat() != catSpace && t.cat() != catNewline &&
2796 		    t.asInput() != "\\begin")
2797 			last_env = "";
2798 
2799 		//
2800 		// cat codes
2801 		//
2802 		have_cycled = true;
2803 		bool const starred = p.next_token().asInput() == "*";
2804 		string const starredname(starred ? (t.cs() + '*') : t.cs());
2805 		if (t.cat() == catMath) {
2806 			// we are inside some text mode thingy, so opening new math is allowed
2807 			context.check_layout(os);
2808 			begin_inset(os, "Formula ");
2809 			Token const & n = p.get_token();
2810 			bool const display(n.cat() == catMath && outer);
2811 			if (display) {
2812 				// TeX's $$...$$ syntax for displayed math
2813 				os << "\\[";
2814 				parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
2815 				os << "\\]";
2816 				p.get_token(); // skip the second '$' token
2817 			} else {
2818 				// simple $...$  stuff
2819 				p.putback();
2820 				os << '$';
2821 				parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
2822 				os << '$';
2823 			}
2824 			end_inset(os);
2825 			if (display) {
2826 				// Prevent the conversion of a line break to a
2827 				// space (bug 7668). This does not change the
2828 				// output, but looks ugly in LyX.
2829 				eat_whitespace(p, os, context, false);
2830 			}
2831 			continue;
2832 		}
2833 
2834 		if (t.cat() == catSuper || t.cat() == catSub) {
2835 			cerr << "catcode " << t << " illegal in text mode\n";
2836 			continue;
2837 		}
2838 
2839 		// Basic support for quotes. We try to disambiguate
2840 		// quotes from the context (e.g., a left english quote is
2841 		// the same as a right german quote...).
2842 		// Try to make a smart guess about the side
2843 		Token const prev = p.prev_token();
2844 		bool const opening = (prev.cat() != catSpace && prev.character() != 0
2845 				&& prev.character() != '\n' && prev.character() != '~');
2846 		if (t.asInput() == "`" && p.next_token().asInput() == "`") {
2847 			context.check_layout(os);
2848 			begin_inset(os, "Quotes ");
2849 			os << guessQuoteStyle("eld", opening);
2850 			end_inset(os);
2851 			p.get_token();
2852 			skip_braces(p);
2853 			continue;
2854 		}
2855 		if (t.asInput() == "'" && p.next_token().asInput() == "'") {
2856 			context.check_layout(os);
2857 			begin_inset(os, "Quotes ");
2858 			os << guessQuoteStyle("erd", opening);
2859 			end_inset(os);
2860 			p.get_token();
2861 			skip_braces(p);
2862 			continue;
2863 		}
2864 
2865 		if (t.asInput() == ">" && p.next_token().asInput() == ">") {
2866 			context.check_layout(os);
2867 			begin_inset(os, "Quotes ");
2868 			os << guessQuoteStyle("ald", opening);
2869 			end_inset(os);
2870 			p.get_token();
2871 			skip_braces(p);
2872 			continue;
2873 		}
2874 
2875 		if (t.asInput() == "<"
2876 			 && p.next_token().asInput() == "<") {
2877 			bool has_chunk = false;
2878 			if (noweb_mode) {
2879 				p.pushPosition();
2880 				p.get_token();
2881 				has_chunk = parse_chunk(p, os, context);
2882 				if (!has_chunk)
2883 					p.popPosition();
2884 			}
2885 
2886 			if (!has_chunk) {
2887 				context.check_layout(os);
2888 				begin_inset(os, "Quotes ");
2889 				os << guessQuoteStyle("ard", opening);
2890 				end_inset(os);
2891 				p.get_token();
2892 				skip_braces(p);
2893 			}
2894 			continue;
2895 		}
2896 
2897 		if (t.cat() == catSpace || (t.cat() == catNewline && ! p.isParagraph())) {
2898 			check_space(p, os, context);
2899 			continue;
2900 		}
2901 
2902 		// babel shorthands (also used by polyglossia)
2903 		// Since these can have different meanings for different languages
2904 		// we import them as ERT (but they must be put in ERT to get output
2905 		// verbatim).
2906 		if (t.asInput() == "\"") {
2907 			string s = "\"";
2908 			// These are known pairs. We put them together in
2909 			// one ERT inset. In other cases (such as "a), only
2910 			// the quotation mark is ERTed.
2911 			if (p.next_token().asInput() == "\""
2912 			    || p.next_token().asInput() == "|"
2913 			    || p.next_token().asInput() == "-"
2914 			    || p.next_token().asInput() == "~"
2915 			    || p.next_token().asInput() == "="
2916 			    || p.next_token().asInput() == "/"
2917 			    || p.next_token().asInput() == "~"
2918 			    || p.next_token().asInput() == "'"
2919 			    || p.next_token().asInput() == "`"
2920 			    || p.next_token().asInput() == "<"
2921 			    || p.next_token().asInput() == ">") {
2922 				s += p.next_token().asInput();
2923 				p.get_token();
2924 			}
2925 			output_ert_inset(os, s, context);
2926 			continue;
2927 		}
2928 
2929 		if (t.character() == '[' && noweb_mode &&
2930 			 p.next_token().character() == '[') {
2931 			// These can contain underscores
2932 			p.putback();
2933 			string const s = p.getFullOpt() + ']';
2934 			if (p.next_token().character() == ']')
2935 				p.get_token();
2936 			else
2937 				cerr << "Warning: Inserting missing ']' in '"
2938 				     << s << "'." << endl;
2939 			output_ert_inset(os, s, context);
2940 			continue;
2941 		}
2942 
2943 		if (t.cat() == catLetter) {
2944 			context.check_layout(os);
2945 			os << t.cs();
2946 			continue;
2947 		}
2948 
2949 		if (t.cat() == catOther ||
2950 			       t.cat() == catAlign ||
2951 			       t.cat() == catParameter) {
2952 			context.check_layout(os);
2953 			if (t.asInput() == "-" && p.next_token().asInput() == "-" &&
2954 			    context.merging_hyphens_allowed &&
2955 			    context.font.family != "ttfamily" &&
2956 			    !context.layout->pass_thru) {
2957 				if (p.next_next_token().asInput() == "-") {
2958 					// --- is emdash
2959 					os << to_utf8(docstring(1, 0x2014));
2960 					p.get_token();
2961 				} else
2962 					// -- is endash
2963 					os << to_utf8(docstring(1, 0x2013));
2964 				p.get_token();
2965 			} else
2966 				// This translates "&" to "\\&" which may be wrong...
2967 				os << t.cs();
2968 			continue;
2969 		}
2970 
2971 		if (p.isParagraph()) {
2972 			// In minted floating listings we will collect
2973 			// everything into the caption, where multiple
2974 			// paragraphs are forbidden.
2975 			if (minted_float.empty()) {
2976 				if (context.new_layout_allowed)
2977 					context.new_paragraph(os);
2978 				else
2979 					output_ert_inset(os, "\\par ", context);
2980 			} else
2981 				os << ' ';
2982 			eat_whitespace(p, os, context, true);
2983 			continue;
2984 		}
2985 
2986 		if (t.cat() == catActive) {
2987 			context.check_layout(os);
2988 			if (t.character() == '~') {
2989 				if (context.layout->free_spacing)
2990 					os << ' ';
2991 				else {
2992 					begin_inset(os, "space ~\n");
2993 					end_inset(os);
2994 				}
2995 			} else
2996 				os << t.cs();
2997 			continue;
2998 		}
2999 
3000 		if (t.cat() == catBegin) {
3001 			Token const next = p.next_token();
3002 			Token const end = p.next_next_token();
3003 			if (next.cat() == catEnd) {
3004 				// {}
3005 				Token const prev = p.prev_token();
3006 				p.get_token();
3007 				if (p.next_token().character() == '`')
3008 					; // ignore it in {}``
3009 				else
3010 					output_ert_inset(os, "{}", context);
3011 			} else if (next.cat() == catEscape &&
3012 			           is_known(next.cs(), known_quotes) &&
3013 			           end.cat() == catEnd) {
3014 				// Something like {\textquoteright} (e.g.
3015 				// from writer2latex). We may skip the
3016 				// braces here for better readability.
3017 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3018 				                   outer, context);
3019 			} else if (p.next_token().asInput() == "\\ascii") {
3020 				// handle the \ascii characters
3021 				// (the case without braces is handled later)
3022 				// the code is "{\ascii\xxx}"
3023 				p.get_token(); // eat \ascii
3024 				string name2 = p.get_token().asInput();
3025 				p.get_token(); // eat the final '}'
3026 				string const name = "{\\ascii" + name2 + "}";
3027 				bool termination;
3028 				docstring rem;
3029 				set<string> req;
3030 				// get the character from unicodesymbols
3031 				docstring s = encodings.fromLaTeXCommand(from_utf8(name),
3032 					Encodings::TEXT_CMD, termination, rem, &req);
3033 				if (!s.empty()) {
3034 					context.check_layout(os);
3035 					os << to_utf8(s);
3036 					if (!rem.empty())
3037 						output_ert_inset(os,
3038 							to_utf8(rem), context);
3039 					for (set<string>::const_iterator it = req.begin();
3040 					     it != req.end(); ++it)
3041 						preamble.registerAutomaticallyLoadedPackage(*it);
3042 				} else
3043 					// we did not find a non-ert version
3044 					output_ert_inset(os, name, context);
3045 			} else {
3046 			context.check_layout(os);
3047 			// special handling of font attribute changes
3048 			Token const prev = p.prev_token();
3049 			TeXFont const oldFont = context.font;
3050 			if (next.character() == '[' ||
3051 			    next.character() == ']' ||
3052 			    next.character() == '*') {
3053 				p.get_token();
3054 				if (p.next_token().cat() == catEnd) {
3055 					os << next.cs();
3056 					p.get_token();
3057 				} else {
3058 					p.putback();
3059 					output_ert_inset(os, "{", context);
3060 					parse_text_snippet(p, os,
3061 							FLAG_BRACE_LAST,
3062 							outer, context);
3063 					output_ert_inset(os, "}", context);
3064 				}
3065 			} else if (! context.new_layout_allowed) {
3066 				output_ert_inset(os, "{", context);
3067 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3068 						   outer, context);
3069 				output_ert_inset(os, "}", context);
3070 			} else if (is_known(next.cs(), known_sizes)) {
3071 				// next will change the size, so we must
3072 				// reset it here
3073 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3074 						   outer, context);
3075 				if (!context.atParagraphStart())
3076 					os << "\n\\size "
3077 					   << context.font.size << "\n";
3078 			} else if (is_known(next.cs(), known_font_families)) {
3079 				// next will change the font family, so we
3080 				// must reset it here
3081 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3082 						   outer, context);
3083 				if (!context.atParagraphStart())
3084 					os << "\n\\family "
3085 					   << context.font.family << "\n";
3086 			} else if (is_known(next.cs(), known_font_series)) {
3087 				// next will change the font series, so we
3088 				// must reset it here
3089 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3090 						   outer, context);
3091 				if (!context.atParagraphStart())
3092 					os << "\n\\series "
3093 					   << context.font.series << "\n";
3094 			} else if (is_known(next.cs(), known_font_shapes)) {
3095 				// next will change the font shape, so we
3096 				// must reset it here
3097 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3098 						   outer, context);
3099 				if (!context.atParagraphStart())
3100 					os << "\n\\shape "
3101 					   << context.font.shape << "\n";
3102 			} else if (is_known(next.cs(), known_old_font_families) ||
3103 				   is_known(next.cs(), known_old_font_series) ||
3104 				   is_known(next.cs(), known_old_font_shapes)) {
3105 				// next will change the font family, series
3106 				// and shape, so we must reset it here
3107 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3108 						   outer, context);
3109 				if (!context.atParagraphStart())
3110 					os <<  "\n\\family "
3111 					   << context.font.family
3112 					   << "\n\\series "
3113 					   << context.font.series
3114 					   << "\n\\shape "
3115 					   << context.font.shape << "\n";
3116 			} else {
3117 				output_ert_inset(os, "{", context);
3118 				parse_text_snippet(p, os, FLAG_BRACE_LAST,
3119 						   outer, context);
3120 				output_ert_inset(os, "}", context);
3121 				}
3122 			}
3123 			continue;
3124 		}
3125 
3126 		if (t.cat() == catEnd) {
3127 			if (flags & FLAG_BRACE_LAST) {
3128 				return;
3129 			}
3130 			cerr << "stray '}' in text\n";
3131 			output_ert_inset(os, "}", context);
3132 			continue;
3133 		}
3134 
3135 		if (t.cat() == catComment) {
3136 			parse_comment(p, os, t, context);
3137 			continue;
3138 		}
3139 
3140 		//
3141 		// control sequences
3142 		//
3143 
3144 		if (t.cs() == "(" || t.cs() == "[") {
3145 			bool const simple = t.cs() == "(";
3146 			context.check_layout(os);
3147 			begin_inset(os, "Formula");
3148 			os << " \\" << t.cs();
3149 			parse_math(p, os, simple ? FLAG_SIMPLE2 : FLAG_EQUATION, MATH_MODE);
3150 			os << '\\' << (simple ? ')' : ']');
3151 			end_inset(os);
3152 			if (!simple) {
3153 				// Prevent the conversion of a line break to a
3154 				// space (bug 7668). This does not change the
3155 				// output, but looks ugly in LyX.
3156 				eat_whitespace(p, os, context, false);
3157 			}
3158 			continue;
3159 		}
3160 
3161 		if (t.cs() == "begin") {
3162 			parse_environment(p, os, outer, last_env,
3163 			                  context);
3164 			continue;
3165 		}
3166 
3167 		if (t.cs() == "end") {
3168 			if (flags & FLAG_END) {
3169 				// eat environment name
3170 				string const name = p.getArg('{', '}');
3171 				if (name != active_environment())
3172 					cerr << "\\end{" + name + "} does not match \\begin{"
3173 						+ active_environment() + "}\n";
3174 				return;
3175 			}
3176 			p.error("found 'end' unexpectedly");
3177 			continue;
3178 		}
3179 
3180 		// "item" by default, but could be something else
3181 		if (t.cs() == context.layout->itemcommand()) {
3182 			string s;
3183 			if (context.layout->labeltype == LABEL_MANUAL) {
3184 				// FIXME: This swallows comments, but we cannot use
3185 				//        eat_whitespace() since we must not output
3186 				//        anything before the item.
3187 				p.skip_spaces(true);
3188 				s = p.verbatimOption();
3189 			} else
3190 				p.skip_spaces(false);
3191 			context.set_item();
3192 			context.check_layout(os);
3193 			if (context.has_item) {
3194 				// An item in an unknown list-like environment
3195 				// FIXME: Do this in check_layout()!
3196 				context.has_item = false;
3197 				string item = "\\" + context.layout->itemcommand();
3198 				if (!p.hasOpt())
3199 					item += " ";
3200 				output_ert_inset(os, item, context);
3201 			}
3202 			if (context.layout->labeltype != LABEL_MANUAL)
3203 				output_arguments(os, p, outer, false, "item", context,
3204 					         context.layout->itemargs());
3205 			if (!context.list_extra_stuff.empty()) {
3206 				os << context.list_extra_stuff;
3207 				context.list_extra_stuff.clear();
3208 			}
3209 			else if (!s.empty()) {
3210 					// LyX adds braces around the argument,
3211 					// so we need to remove them here.
3212 					if (s.size() > 2 && s[0] == '{' &&
3213 					    s[s.size()-1] == '}')
3214 						s = s.substr(1, s.size()-2);
3215 					// If the argument contains a space we
3216 					// must put it into ERT: Otherwise LyX
3217 					// would misinterpret the space as
3218 					// item delimiter (bug 7663)
3219 					if (contains(s, ' ')) {
3220 						output_ert_inset(os, s, context);
3221 					} else {
3222 						Parser p2(s + ']');
3223 						os << parse_text_snippet(p2,
3224 							FLAG_BRACK_LAST, outer, context);
3225 					}
3226 					// The space is needed to separate the
3227 					// item from the rest of the sentence.
3228 					os << ' ';
3229 					eat_whitespace(p, os, context, false);
3230 				}
3231 			continue;
3232 		}
3233 
3234 		if (t.cs() == "bibitem") {
3235 			context.set_item();
3236 			context.check_layout(os);
3237 			eat_whitespace(p, os, context, false);
3238 			string label = p.verbatimOption();
3239 			pair<bool, string> lbl = convert_latexed_command_inset_arg(label);
3240 			bool const literal = !lbl.first;
3241 			label = literal ? subst(label, "\n", " ") : lbl.second;
3242 			string lit = literal ? "\"true\"" : "\"false\"";
3243 			string key = convert_literate_command_inset_arg(p.verbatim_item());
3244 			begin_command_inset(os, "bibitem", "bibitem");
3245 			os << "label \"" << label << "\"\n"
3246 			   << "key \"" << key << "\"\n"
3247 			   << "literal " << lit << "\n";
3248 			end_inset(os);
3249 			continue;
3250 		}
3251 
3252 		if (is_macro(p)) {
3253 			// catch the case of \def\inputGnumericTable
3254 			bool macro = true;
3255 			if (t.cs() == "def") {
3256 				Token second = p.next_token();
3257 				if (second.cs() == "inputGnumericTable") {
3258 					p.pushPosition();
3259 					p.get_token();
3260 					skip_braces(p);
3261 					Token third = p.get_token();
3262 					p.popPosition();
3263 					if (third.cs() == "input") {
3264 						p.get_token();
3265 						skip_braces(p);
3266 						p.get_token();
3267 						string name = normalize_filename(p.verbatim_item());
3268 						string const path = getMasterFilePath(true);
3269 						// We want to preserve relative / absolute filenames,
3270 						// therefore path is only used for testing
3271 						// The file extension is in every case ".tex".
3272 						// So we need to remove this extension and check for
3273 						// the original one.
3274 						name = removeExtension(name);
3275 						if (!makeAbsPath(name, path).exists()) {
3276 							char const * const Gnumeric_formats[] = {"gnumeric",
3277 								"ods", "xls", 0};
3278 							string const Gnumeric_name =
3279 								find_file(name, path, Gnumeric_formats);
3280 							if (!Gnumeric_name.empty())
3281 								name = Gnumeric_name;
3282 						}
3283 						FileName const absname = makeAbsPath(name, path);
3284 						if (absname.exists()) {
3285 							fix_child_filename(name);
3286 							copy_file(absname, name);
3287 						} else
3288 							cerr << "Warning: Could not find file '"
3289 							     << name << "'." << endl;
3290 						context.check_layout(os);
3291 						begin_inset(os, "External\n\ttemplate ");
3292 						os << "GnumericSpreadsheet\n\tfilename "
3293 						   << name << "\n";
3294 						end_inset(os);
3295 						context.check_layout(os);
3296 						macro = false;
3297 						// register the packages that are automatically loaded
3298 						// by the Gnumeric template
3299 						registerExternalTemplatePackages("GnumericSpreadsheet");
3300 					}
3301 				}
3302 			}
3303 			if (macro)
3304 				parse_macro(p, os, context);
3305 			continue;
3306 		}
3307 
3308 		if (t.cs() == "noindent") {
3309 			p.skip_spaces();
3310 			context.add_par_extra_stuff("\\noindent\n");
3311 			continue;
3312 		}
3313 
3314 		if (t.cs() == "appendix") {
3315 			context.add_par_extra_stuff("\\start_of_appendix\n");
3316 			// We need to start a new paragraph. Otherwise the
3317 			// appendix in 'bla\appendix\chapter{' would start
3318 			// too late.
3319 			context.new_paragraph(os);
3320 			// We need to make sure that the paragraph is
3321 			// generated even if it is empty. Otherwise the
3322 			// appendix in '\par\appendix\par\chapter{' would
3323 			// start too late.
3324 			context.check_layout(os);
3325 			// FIXME: This is a hack to prevent paragraph
3326 			// deletion if it is empty. Handle this better!
3327 			output_comment(p, os,
3328 				"dummy comment inserted by tex2lyx to "
3329 				"ensure that this paragraph is not empty",
3330 				context);
3331 			// Both measures above may generate an additional
3332 			// empty paragraph, but that does not hurt, because
3333 			// whitespace does not matter here.
3334 			eat_whitespace(p, os, context, true);
3335 			continue;
3336 		}
3337 
3338 		// Must catch empty dates before findLayout is called below
3339 		if (t.cs() == "date") {
3340 			eat_whitespace(p, os, context, false);
3341 			p.pushPosition();
3342 			string const date = p.verbatim_item();
3343 			p.popPosition();
3344 			if (date.empty()) {
3345 				preamble.suppressDate(true);
3346 				p.verbatim_item();
3347 			} else {
3348 				preamble.suppressDate(false);
3349 				if (context.new_layout_allowed &&
3350 				    (newlayout = findLayout(context.textclass,
3351 				                            t.cs(), true))) {
3352 					// write the layout
3353 					output_command_layout(os, p, outer,
3354 							context, newlayout);
3355 					parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3356 					if (!preamble.titleLayoutFound())
3357 						preamble.titleLayoutFound(newlayout->intitle);
3358 					set<string> const & req = newlayout->requires();
3359 					set<string>::const_iterator it = req.begin();
3360 					set<string>::const_iterator en = req.end();
3361 					for (; it != en; ++it)
3362 						preamble.registerAutomaticallyLoadedPackage(*it);
3363 				} else
3364 					output_ert_inset(os,
3365 						"\\date{" + p.verbatim_item() + '}',
3366 						context);
3367 			}
3368 			continue;
3369 		}
3370 
3371 		// Before we look for the layout name with star and alone below, we check the layouts including
3372 		// the LateXParam, which might be one or several options or a star.
3373 		// The single '=' is meant here.
3374 		if (context.new_layout_allowed &&
3375 		   (newlayout = findLayout(context.textclass, t.cs(), true, p.getCommandLatexParam()))) {
3376 			// store the latexparam here. This is eaten in output_command_layout
3377 			context.latexparam = newlayout->latexparam();
3378 			// write the layout
3379 			output_command_layout(os, p, outer, context, newlayout);
3380 			context.latexparam.clear();
3381 			p.skip_spaces();
3382 			if (!preamble.titleLayoutFound())
3383 				preamble.titleLayoutFound(newlayout->intitle);
3384 			set<string> const & req = newlayout->requires();
3385 			for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
3386 				preamble.registerAutomaticallyLoadedPackage(*it);
3387 			continue;
3388 		}
3389 
3390 		// Starred section headings
3391 		// Must attempt to parse "Section*" before "Section".
3392 		if ((p.next_token().asInput() == "*") &&
3393 			 context.new_layout_allowed &&
3394 			 (newlayout = findLayout(context.textclass, t.cs() + '*', true))) {
3395 			// write the layout
3396 			p.get_token();
3397 			output_command_layout(os, p, outer, context, newlayout);
3398 			p.skip_spaces();
3399 			if (!preamble.titleLayoutFound())
3400 				preamble.titleLayoutFound(newlayout->intitle);
3401 			set<string> const & req = newlayout->requires();
3402 			for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
3403 				preamble.registerAutomaticallyLoadedPackage(*it);
3404 			continue;
3405 		}
3406 
3407 		// Section headings and the like
3408 		if (context.new_layout_allowed &&
3409 			 (newlayout = findLayout(context.textclass, t.cs(), true))) {
3410 			// write the layout
3411 			output_command_layout(os, p, outer, context, newlayout);
3412 			p.skip_spaces();
3413 			if (!preamble.titleLayoutFound())
3414 				preamble.titleLayoutFound(newlayout->intitle);
3415 			set<string> const & req = newlayout->requires();
3416 			for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
3417 				preamble.registerAutomaticallyLoadedPackage(*it);
3418 			continue;
3419 		}
3420 
3421 		if (t.cs() == "subfloat") {
3422 			// the syntax is \subfloat[list entry][sub caption]{content}
3423 			// if it is a table of figure depends on the surrounding float
3424 			p.skip_spaces();
3425 			// do nothing if there is no outer float
3426 			if (!float_type.empty()) {
3427 				context.check_layout(os);
3428 				p.skip_spaces();
3429 				begin_inset(os, "Float " + float_type + "\n");
3430 				os << "wide false"
3431 				   << "\nsideways false"
3432 				   << "\nstatus collapsed\n\n";
3433 				// test for caption
3434 				string caption;
3435 				bool has_caption = false;
3436 				if (p.next_token().cat() != catEscape &&
3437 						p.next_token().character() == '[') {
3438 							p.get_token(); // eat '['
3439 							caption = parse_text_snippet(p, FLAG_BRACK_LAST, outer, context);
3440 							has_caption = true;
3441 				}
3442 				// In case we have two optional args, the second is the caption.
3443 				if (p.next_token().cat() != catEscape &&
3444 						p.next_token().character() == '[') {
3445 							p.get_token(); // eat '['
3446 							caption = parse_text_snippet(p, FLAG_BRACK_LAST, outer, context);
3447 				}
3448 				// the content
3449 				parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
3450 				// the caption comes always as the last
3451 				if (has_caption) {
3452 					// we must make sure that the caption gets a \begin_layout
3453 					os << "\n\\begin_layout Plain Layout";
3454 					p.skip_spaces();
3455 					begin_inset(os, "Caption Standard\n");
3456 					Context newcontext(true, context.textclass,
3457 					                   0, 0, context.font);
3458 					newcontext.check_layout(os);
3459 					os << caption << "\n";
3460 					newcontext.check_end_layout(os);
3461 					end_inset(os);
3462 					p.skip_spaces();
3463 					// close the layout we opened
3464 					os << "\n\\end_layout";
3465 				}
3466 				end_inset(os);
3467 				p.skip_spaces();
3468 			} else {
3469 				// if the float type is not supported or there is no surrounding float
3470 				// output it as ERT
3471 				string opt_arg1;
3472 				string opt_arg2;
3473 				if (p.hasOpt()) {
3474 					opt_arg1 = convert_literate_command_inset_arg(p.getFullOpt());
3475 					if (p.hasOpt())
3476 						opt_arg2 = convert_literate_command_inset_arg(p.getFullOpt());
3477 				}
3478 				output_ert_inset(os, t.asInput() + opt_arg1 + opt_arg2
3479 						 + "{" + p.verbatim_item() + '}', context);
3480 			}
3481 			continue;
3482 		}
3483 
3484 		if (t.cs() == "xymatrix") {
3485 			// we must open a new math because LyX's xy support is in math
3486 			context.check_layout(os);
3487 			begin_inset(os, "Formula ");
3488 			os << '$';
3489 			os << "\\" << t.cs() << '{';
3490 			parse_math(p, os, FLAG_ITEM, MATH_MODE);
3491 			os << '}' << '$';
3492 			end_inset(os);
3493 			preamble.registerAutomaticallyLoadedPackage("xy");
3494 			continue;
3495 		}
3496 
3497 		if (t.cs() == "includegraphics") {
3498 			bool const clip = p.next_token().asInput() == "*";
3499 			if (clip)
3500 				p.get_token();
3501 			string const arg = p.getArg('[', ']');
3502 			map<string, string> opts;
3503 			vector<string> keys;
3504 			split_map(arg, opts, keys);
3505 			if (clip)
3506 				opts["clip"] = string();
3507 			string name = normalize_filename(p.verbatim_item());
3508 
3509 			string const path = getMasterFilePath(true);
3510 			// We want to preserve relative / absolute filenames,
3511 			// therefore path is only used for testing
3512 			if (!makeAbsPath(name, path).exists()) {
3513 				// The file extension is probably missing.
3514 				// Now try to find it out.
3515 				string const dvips_name =
3516 					find_file(name, path,
3517 						  known_dvips_graphics_formats);
3518 				string const pdftex_name =
3519 					find_file(name, path,
3520 						  known_pdftex_graphics_formats);
3521 				if (!dvips_name.empty()) {
3522 					if (!pdftex_name.empty()) {
3523 						cerr << "This file contains the "
3524 							"latex snippet\n"
3525 							"\"\\includegraphics{"
3526 						     << name << "}\".\n"
3527 							"However, files\n\""
3528 						     << dvips_name << "\" and\n\""
3529 						     << pdftex_name << "\"\n"
3530 							"both exist, so I had to make a "
3531 							"choice and took the first one.\n"
3532 							"Please move the unwanted one "
3533 							"someplace else and try again\n"
3534 							"if my choice was wrong."
3535 						     << endl;
3536 					}
3537 					name = dvips_name;
3538 				} else if (!pdftex_name.empty()) {
3539 					name = pdftex_name;
3540 					pdflatex = true;
3541 				}
3542 			}
3543 
3544 			FileName const absname = makeAbsPath(name, path);
3545 			if (absname.exists()) {
3546 				fix_child_filename(name);
3547 				copy_file(absname, name);
3548 			} else
3549 				cerr << "Warning: Could not find graphics file '"
3550 				     << name << "'." << endl;
3551 
3552 			context.check_layout(os);
3553 			begin_inset(os, "Graphics ");
3554 			os << "\n\tfilename " << name << '\n';
3555 			if (opts.find("width") != opts.end())
3556 				os << "\twidth "
3557 				   << translate_len(opts["width"]) << '\n';
3558 			if (opts.find("height") != opts.end())
3559 				os << "\theight "
3560 				   << translate_len(opts["height"]) << '\n';
3561 			if (opts.find("scale") != opts.end()) {
3562 				istringstream iss(opts["scale"]);
3563 				double val;
3564 				iss >> val;
3565 				val = val*100;
3566 				os << "\tscale " << val << '\n';
3567 			}
3568 			if (opts.find("angle") != opts.end()) {
3569 				os << "\trotateAngle "
3570 				   << opts["angle"] << '\n';
3571 				vector<string>::const_iterator a =
3572 					find(keys.begin(), keys.end(), "angle");
3573 				vector<string>::const_iterator s =
3574 					find(keys.begin(), keys.end(), "width");
3575 				if (s == keys.end())
3576 					s = find(keys.begin(), keys.end(), "height");
3577 				if (s == keys.end())
3578 					s = find(keys.begin(), keys.end(), "scale");
3579 				if (s != keys.end() && distance(s, a) > 0)
3580 					os << "\tscaleBeforeRotation\n";
3581 			}
3582 			if (opts.find("origin") != opts.end()) {
3583 				ostringstream ss;
3584 				string const opt = opts["origin"];
3585 				if (opt.find('l') != string::npos) ss << "left";
3586 				if (opt.find('r') != string::npos) ss << "right";
3587 				if (opt.find('c') != string::npos) ss << "center";
3588 				if (opt.find('t') != string::npos) ss << "Top";
3589 				if (opt.find('b') != string::npos) ss << "Bottom";
3590 				if (opt.find('B') != string::npos) ss << "Baseline";
3591 				if (!ss.str().empty())
3592 					os << "\trotateOrigin " << ss.str() << '\n';
3593 				else
3594 					cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
3595 			}
3596 			if (opts.find("keepaspectratio") != opts.end())
3597 				os << "\tkeepAspectRatio\n";
3598 			if (opts.find("clip") != opts.end())
3599 				os << "\tclip\n";
3600 			if (opts.find("draft") != opts.end())
3601 				os << "\tdraft\n";
3602 			if (opts.find("bb") != opts.end())
3603 				os << "\tBoundingBox "
3604 				   << opts["bb"] << '\n';
3605 			int numberOfbbOptions = 0;
3606 			if (opts.find("bbllx") != opts.end())
3607 				numberOfbbOptions++;
3608 			if (opts.find("bblly") != opts.end())
3609 				numberOfbbOptions++;
3610 			if (opts.find("bburx") != opts.end())
3611 				numberOfbbOptions++;
3612 			if (opts.find("bbury") != opts.end())
3613 				numberOfbbOptions++;
3614 			if (numberOfbbOptions == 4)
3615 				os << "\tBoundingBox "
3616 				   << opts["bbllx"] << " " << opts["bblly"] << " "
3617 				   << opts["bburx"] << " " << opts["bbury"] << '\n';
3618 			else if (numberOfbbOptions > 0)
3619 				cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
3620 			numberOfbbOptions = 0;
3621 			if (opts.find("natwidth") != opts.end())
3622 				numberOfbbOptions++;
3623 			if (opts.find("natheight") != opts.end())
3624 				numberOfbbOptions++;
3625 			if (numberOfbbOptions == 2)
3626 				os << "\tBoundingBox 0bp 0bp "
3627 				   << opts["natwidth"] << " " << opts["natheight"] << '\n';
3628 			else if (numberOfbbOptions > 0)
3629 				cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
3630 			ostringstream special;
3631 			if (opts.find("hiresbb") != opts.end())
3632 				special << "hiresbb,";
3633 			if (opts.find("trim") != opts.end())
3634 				special << "trim,";
3635 			if (opts.find("viewport") != opts.end())
3636 				special << "viewport=" << opts["viewport"] << ',';
3637 			if (opts.find("totalheight") != opts.end())
3638 				special << "totalheight=" << opts["totalheight"] << ',';
3639 			if (opts.find("type") != opts.end())
3640 				special << "type=" << opts["type"] << ',';
3641 			if (opts.find("ext") != opts.end())
3642 				special << "ext=" << opts["ext"] << ',';
3643 			if (opts.find("read") != opts.end())
3644 				special << "read=" << opts["read"] << ',';
3645 			if (opts.find("command") != opts.end())
3646 				special << "command=" << opts["command"] << ',';
3647 			string s_special = special.str();
3648 			if (!s_special.empty()) {
3649 				// We had special arguments. Remove the trailing ','.
3650 				os << "\tspecial " << s_special.substr(0, s_special.size() - 1) << '\n';
3651 			}
3652 			// TODO: Handle the unknown settings better.
3653 			// Warn about invalid options.
3654 			// Check whether some option was given twice.
3655 			end_inset(os);
3656 			preamble.registerAutomaticallyLoadedPackage("graphicx");
3657 			continue;
3658 		}
3659 
3660 		if (t.cs() == "footnote" ||
3661 			 (t.cs() == "thanks" && context.layout->intitle)) {
3662 			p.skip_spaces();
3663 			context.check_layout(os);
3664 			begin_inset(os, "Foot\n");
3665 			os << "status collapsed\n\n";
3666 			parse_text_in_inset(p, os, FLAG_ITEM, false, context);
3667 			end_inset(os);
3668 			continue;
3669 		}
3670 
3671 		if (t.cs() == "marginpar") {
3672 			p.skip_spaces();
3673 			context.check_layout(os);
3674 			begin_inset(os, "Marginal\n");
3675 			os << "status collapsed\n\n";
3676 			parse_text_in_inset(p, os, FLAG_ITEM, false, context);
3677 			end_inset(os);
3678 			continue;
3679 		}
3680 
3681 		if (t.cs() == "lstinline" || t.cs() == "mintinline") {
3682 			bool const use_minted = t.cs() == "mintinline";
3683 			p.skip_spaces();
3684 			parse_listings(p, os, context, true, use_minted);
3685 			continue;
3686 		}
3687 
3688 		if (t.cs() == "ensuremath") {
3689 			p.skip_spaces();
3690 			context.check_layout(os);
3691 			string const s = p.verbatim_item();
3692 			//FIXME: this never triggers in UTF8
3693 			if (s == "\xb1" || s == "\xb3" || s == "\xb2" || s == "\xb5")
3694 				os << s;
3695 			else
3696 				output_ert_inset(os, "\\ensuremath{" + s + "}",
3697 					   context);
3698 			continue;
3699 		}
3700 
3701 		else if (t.cs() == "makeindex"
3702 			 || (t.cs() == context.textclass.titlename()
3703 			     && context.textclass.titletype() == TITLE_COMMAND_AFTER)) {
3704 			if (preamble.titleLayoutFound()) {
3705 				// swallow this
3706 				skip_spaces_braces(p);
3707 			} else
3708 				output_ert_inset(os, t.asInput(), context);
3709 			continue;
3710 		}
3711 
3712 		if (t.cs() == "tableofcontents"
3713 				|| t.cs() == "lstlistoflistings"
3714 				|| t.cs() == "listoflistings") {
3715 			string name = t.cs();
3716 			if (preamble.minted() && name == "listoflistings")
3717 				name.insert(0, "lst");
3718 			context.check_layout(os);
3719 			begin_command_inset(os, "toc", name);
3720 			end_inset(os);
3721 			skip_spaces_braces(p);
3722 			if (name == "lstlistoflistings") {
3723 				if (preamble.minted())
3724 					preamble.registerAutomaticallyLoadedPackage("minted");
3725 				else
3726 					preamble.registerAutomaticallyLoadedPackage("listings");
3727 			}
3728 			continue;
3729 		}
3730 
3731 		if (t.cs() == "listoffigures" || t.cs() == "listoftables") {
3732 			context.check_layout(os);
3733 			if (t.cs() == "listoffigures")
3734 				begin_inset(os, "FloatList figure\n");
3735 			else
3736 				begin_inset(os, "FloatList table\n");
3737 			end_inset(os);
3738 			skip_spaces_braces(p);
3739 			continue;
3740 		}
3741 
3742 		if (t.cs() == "listof") {
3743 			p.skip_spaces(true);
3744 			string const name = p.verbatim_item();
3745 			if (context.textclass.floats().typeExist(name)) {
3746 				context.check_layout(os);
3747 				begin_inset(os, "FloatList ");
3748 				os << name << "\n";
3749 				end_inset(os);
3750 				p.verbatim_item(); // swallow second arg
3751 			} else
3752 				output_ert_inset(os, "\\listof{" + name + "}", context);
3753 			continue;
3754 		}
3755 
3756 		if ((where = is_known(t.cs(), known_text_font_families))) {
3757 			parse_text_attributes(p, os, FLAG_ITEM, outer,
3758 				context, "\\family", context.font.family,
3759 				known_coded_font_families[where - known_text_font_families]);
3760 			continue;
3761 		}
3762 
3763 		// beamer has a \textbf<overlay>{} inset
3764 		if (!p.hasOpt("<") && (where = is_known(t.cs(), known_text_font_series))) {
3765 			parse_text_attributes(p, os, FLAG_ITEM, outer,
3766 				context, "\\series", context.font.series,
3767 				known_coded_font_series[where - known_text_font_series]);
3768 			continue;
3769 		}
3770 
3771 		// beamer has a \textit<overlay>{} inset
3772 		if (!p.hasOpt("<") && (where = is_known(t.cs(), known_text_font_shapes))) {
3773 			parse_text_attributes(p, os, FLAG_ITEM, outer,
3774 				context, "\\shape", context.font.shape,
3775 				known_coded_font_shapes[where - known_text_font_shapes]);
3776 			continue;
3777 		}
3778 
3779 		if (t.cs() == "textnormal" || t.cs() == "normalfont") {
3780 			context.check_layout(os);
3781 			TeXFont oldFont = context.font;
3782 			context.font.init();
3783 			context.font.size = oldFont.size;
3784 			os << "\n\\family " << context.font.family << "\n";
3785 			os << "\n\\series " << context.font.series << "\n";
3786 			os << "\n\\shape " << context.font.shape << "\n";
3787 			if (t.cs() == "textnormal") {
3788 				parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3789 				output_font_change(os, context.font, oldFont);
3790 				context.font = oldFont;
3791 			} else
3792 				eat_whitespace(p, os, context, false);
3793 			continue;
3794 		}
3795 
3796 		if (t.cs() == "textcolor") {
3797 			// scheme is \textcolor{color name}{text}
3798 			string const color = p.verbatim_item();
3799 			// we support the predefined colors of the color  and the xcolor package
3800 			if (color == "black" || color == "blue" || color == "cyan"
3801 				|| color == "green" || color == "magenta" || color == "red"
3802 				|| color == "white" || color == "yellow") {
3803 					context.check_layout(os);
3804 					os << "\n\\color " << color << "\n";
3805 					parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3806 					context.check_layout(os);
3807 					os << "\n\\color inherit\n";
3808 					preamble.registerAutomaticallyLoadedPackage("color");
3809 			} else if (color == "brown" || color == "darkgray" || color == "gray"
3810 				|| color == "lightgray" || color == "lime" || color == "olive"
3811 				|| color == "orange" || color == "pink" || color == "purple"
3812 				|| color == "teal" || color == "violet") {
3813 					context.check_layout(os);
3814 					os << "\n\\color " << color << "\n";
3815 					parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3816 					context.check_layout(os);
3817 					os << "\n\\color inherit\n";
3818 					preamble.registerAutomaticallyLoadedPackage("xcolor");
3819 			} else
3820 				// for custom defined colors
3821 				output_ert_inset(os, t.asInput() + "{" + color + "}", context);
3822 			continue;
3823 		}
3824 
3825 		if (t.cs() == "underbar" || t.cs() == "uline") {
3826 			// \underbar is not 100% correct (LyX outputs \uline
3827 			// of ulem.sty). The difference is that \ulem allows
3828 			// line breaks, and \underbar does not.
3829 			// Do NOT handle \underline.
3830 			// \underbar cuts through y, g, q, p etc.,
3831 			// \underline does not.
3832 			context.check_layout(os);
3833 			os << "\n\\bar under\n";
3834 			parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3835 			context.check_layout(os);
3836 			os << "\n\\bar default\n";
3837 			preamble.registerAutomaticallyLoadedPackage("ulem");
3838 			continue;
3839 		}
3840 
3841 		if (t.cs() == "sout") {
3842 			context.check_layout(os);
3843 			os << "\n\\strikeout on\n";
3844 			parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3845 			context.check_layout(os);
3846 			os << "\n\\strikeout default\n";
3847 			preamble.registerAutomaticallyLoadedPackage("ulem");
3848 			continue;
3849 		}
3850 
3851 		// beamer has an \emph<overlay>{} inset
3852 		if ((t.cs() == "uuline" || t.cs() == "uwave"
3853 		        || t.cs() == "emph" || t.cs() == "noun"
3854 		        || t.cs() == "xout") && !p.hasOpt("<")) {
3855 			context.check_layout(os);
3856 			os << "\n\\" << t.cs() << " on\n";
3857 			parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3858 			context.check_layout(os);
3859 			os << "\n\\" << t.cs() << " default\n";
3860 			if (t.cs() == "uuline" || t.cs() == "uwave" || t.cs() == "xout")
3861 				preamble.registerAutomaticallyLoadedPackage("ulem");
3862 			continue;
3863 		}
3864 
3865 		if (t.cs() == "lyxadded" || t.cs() == "lyxdeleted") {
3866 			context.check_layout(os);
3867 			string name = p.getArg('{', '}');
3868 			string localtime = p.getArg('{', '}');
3869 			preamble.registerAuthor(name);
3870 			Author const & author = preamble.getAuthor(name);
3871 			// from_asctime_utc() will fail if LyX decides to output the
3872 			// time in the text language.
3873 			time_t ptime = from_asctime_utc(localtime);
3874 			if (ptime == static_cast<time_t>(-1)) {
3875 				cerr << "Warning: Could not parse time `" << localtime
3876 				     << "´ for change tracking, using current time instead.\n";
3877 				ptime = current_time();
3878 			}
3879 			if (t.cs() == "lyxadded")
3880 				os << "\n\\change_inserted ";
3881 			else
3882 				os << "\n\\change_deleted ";
3883 			os << author.bufferId() << ' ' << ptime << '\n';
3884 			parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3885 			bool dvipost    = LaTeXPackages::isAvailable("dvipost");
3886 			bool xcolorulem = LaTeXPackages::isAvailable("ulem") &&
3887 			                  LaTeXPackages::isAvailable("xcolor");
3888 			// No need to test for luatex, since luatex comes in
3889 			// two flavours (dvi and pdf), like latex, and those
3890 			// are detected by pdflatex.
3891 			if (pdflatex || xetex) {
3892 				if (xcolorulem) {
3893 					preamble.registerAutomaticallyLoadedPackage("ulem");
3894 					preamble.registerAutomaticallyLoadedPackage("xcolor");
3895 					preamble.registerAutomaticallyLoadedPackage("pdfcolmk");
3896 				}
3897 			} else {
3898 				if (dvipost) {
3899 					preamble.registerAutomaticallyLoadedPackage("dvipost");
3900 				} else if (xcolorulem) {
3901 					preamble.registerAutomaticallyLoadedPackage("ulem");
3902 					preamble.registerAutomaticallyLoadedPackage("xcolor");
3903 				}
3904 			}
3905 			continue;
3906 		}
3907 
3908 		if (t.cs() == "textipa") {
3909 			context.check_layout(os);
3910 			begin_inset(os, "IPA\n");
3911 			bool merging_hyphens_allowed = context.merging_hyphens_allowed;
3912 			context.merging_hyphens_allowed = false;
3913 			parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
3914 			context.merging_hyphens_allowed = merging_hyphens_allowed;
3915 			end_inset(os);
3916 			preamble.registerAutomaticallyLoadedPackage("tipa");
3917 			preamble.registerAutomaticallyLoadedPackage("tipx");
3918 			continue;
3919 		}
3920 
3921 		if ((preamble.isPackageUsed("tipa") && t.cs() == "t" && p.next_token().asInput() == "*")
3922 		    || t.cs() == "texttoptiebar" || t.cs() == "textbottomtiebar") {
3923 			context.check_layout(os);
3924 			if (t.cs() == "t")
3925 				// swallow star
3926 				p.get_token();
3927 			string const type = (t.cs() == "t") ? "bottomtiebar" : t.cs().substr(4);
3928 			begin_inset(os, "IPADeco " + type + "\n");
3929 			os << "status open\n";
3930 			parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
3931 			end_inset(os);
3932 			p.skip_spaces();
3933 			continue;
3934 		}
3935 
3936 		if (t.cs() == "textvertline") {
3937 			// FIXME: This is not correct, \textvertline is higher than |
3938 			os << "|";
3939 			skip_braces(p);
3940 			continue;
3941 		}
3942 
3943 		if (t.cs() == "tone" ) {
3944 			context.check_layout(os);
3945 			// register the tone package
3946 			preamble.registerAutomaticallyLoadedPackage("tone");
3947 			string content = trimSpaceAndEol(p.verbatim_item());
3948 			string command = t.asInput() + "{" + content + "}";
3949 			// some tones can be detected by unicodesymbols, some need special code
3950 			if (is_known(content, known_tones)) {
3951 				os << "\\IPAChar " << command << "\n";
3952 				continue;
3953 			}
3954 			// try to see whether the string is in unicodesymbols
3955 			bool termination;
3956 			docstring rem;
3957 			set<string> req;
3958 			docstring s = encodings.fromLaTeXCommand(from_utf8(command),
3959 				Encodings::TEXT_CMD | Encodings::MATH_CMD,
3960 				termination, rem, &req);
3961 			if (!s.empty()) {
3962 				os << to_utf8(s);
3963 				if (!rem.empty())
3964 					output_ert_inset(os, to_utf8(rem), context);
3965 				for (set<string>::const_iterator it = req.begin();
3966 				     it != req.end(); ++it)
3967 					preamble.registerAutomaticallyLoadedPackage(*it);
3968 			} else
3969 				// we did not find a non-ert version
3970 				output_ert_inset(os, command, context);
3971 			continue;
3972 		}
3973 
3974 		if (t.cs() == "phantom" || t.cs() == "hphantom" ||
3975 			     t.cs() == "vphantom") {
3976 			context.check_layout(os);
3977 			if (t.cs() == "phantom")
3978 				begin_inset(os, "Phantom Phantom\n");
3979 			if (t.cs() == "hphantom")
3980 				begin_inset(os, "Phantom HPhantom\n");
3981 			if (t.cs() == "vphantom")
3982 				begin_inset(os, "Phantom VPhantom\n");
3983 			os << "status open\n";
3984 			parse_text_in_inset(p, os, FLAG_ITEM, outer, context,
3985 			                    "Phantom");
3986 			end_inset(os);
3987 			continue;
3988 		}
3989 
3990 		if (t.cs() == "href") {
3991 			context.check_layout(os);
3992 			string target = convert_literate_command_inset_arg(p.verbatim_item());
3993 			string name = p.verbatim_item();
3994 			pair<bool, string> nm = convert_latexed_command_inset_arg(name);
3995 			bool const literal = !nm.first;
3996 			name = literal ? subst(name, "\n", " ") : nm.second;
3997 			string lit = literal ? "\"true\"" : "\"false\"";
3998 			string type;
3999 			size_t i = target.find(':');
4000 			if (i != string::npos) {
4001 				type = target.substr(0, i + 1);
4002 				if (type == "mailto:" || type == "file:")
4003 					target = target.substr(i + 1);
4004 				// handle the case that name is equal to target, except of "http(s)://"
4005 				else if (target.substr(i + 3) == name && (type == "http:" || type == "https:"))
4006 					target = name;
4007 			}
4008 			begin_command_inset(os, "href", "href");
4009 			if (name != target)
4010 				os << "name \"" << name << "\"\n";
4011 			os << "target \"" << target << "\"\n";
4012 			if (type == "mailto:" || type == "file:")
4013 				os << "type \"" << type << "\"\n";
4014 			os << "literal " << lit << "\n";
4015 			end_inset(os);
4016 			skip_spaces_braces(p);
4017 			continue;
4018 		}
4019 
4020 		if (t.cs() == "lyxline") {
4021 			// swallow size argument (it is not used anyway)
4022 			p.getArg('{', '}');
4023 			if (!context.atParagraphStart()) {
4024 				// so our line is in the middle of a paragraph
4025 				// we need to add a new line, lest this line
4026 				// follow the other content on that line and
4027 				// run off the side of the page
4028 				// FIXME: This may create an empty paragraph,
4029 				//        but without that it would not be
4030 				//        possible to set noindent below.
4031 				//        Fortunately LaTeX does not care
4032 				//        about the empty paragraph.
4033 				context.new_paragraph(os);
4034 			}
4035 			if (preamble.indentParagraphs()) {
4036 				// we need to unindent, lest the line be too long
4037 				context.add_par_extra_stuff("\\noindent\n");
4038 			}
4039 			context.check_layout(os);
4040 			begin_command_inset(os, "line", "rule");
4041 			os << "offset \"0.5ex\"\n"
4042 			      "width \"100line%\"\n"
4043 			      "height \"1pt\"\n";
4044 			end_inset(os);
4045 			continue;
4046 		}
4047 
4048 		if (t.cs() == "rule") {
4049 			string const offset = (p.hasOpt() ? p.getArg('[', ']') : string());
4050 			string const width = p.getArg('{', '}');
4051 			string const thickness = p.getArg('{', '}');
4052 			context.check_layout(os);
4053 			begin_command_inset(os, "line", "rule");
4054 			if (!offset.empty())
4055 				os << "offset \"" << translate_len(offset) << "\"\n";
4056 			os << "width \"" << translate_len(width) << "\"\n"
4057 				  "height \"" << translate_len(thickness) << "\"\n";
4058 			end_inset(os);
4059 			continue;
4060 		}
4061 
4062 		// Handle refstyle first in order to to catch \eqref, because this
4063 		// can also occur without refstyle. Only recognize these commands if
4064 		// refstyle.sty was found in the preamble (otherwise \eqref
4065 		// and user defined ref commands could be misdetected).
4066 		// We uncapitalize the input in order to catch capitalized commands
4067 		// such as \Eqref.
4068 		if ((where = is_known(uncapitalize(t.cs()), known_refstyle_commands))
4069 		     && preamble.refstyle()) {
4070 			string const cap = isCapitalized(t.cs()) ? "true" : "false";
4071 			string plural = "false";
4072 			// Catch the plural option [s]
4073 			if (p.hasOpt()) {
4074 				string const opt = p.getOpt();
4075 				if (opt == "[s]")
4076 					plural = "true";
4077 				else {
4078 					// LyX does not yet support other optional arguments of ref commands
4079 					output_ert_inset(os, t.asInput() + opt + "{" +
4080 					       p.verbatim_item() + '}', context);
4081 					continue;
4082 				}
4083 			}
4084 			context.check_layout(os);
4085 			begin_command_inset(os, "ref", "formatted");
4086 			os << "reference \"";
4087 			os << known_refstyle_prefixes[where - known_refstyle_commands]
4088 			   << ":";
4089 			os << convert_literate_command_inset_arg(p.getArg('{', '}'))
4090 			   << "\"\n";
4091 			os << "plural \"" << plural << "\"\n";
4092 			os << "caps \"" << cap << "\"\n";
4093 			os << "noprefix \"false\"\n";
4094 			end_inset(os);
4095 			preamble.registerAutomaticallyLoadedPackage("refstyle");
4096 			continue;
4097 		}
4098 
4099 		// if refstyle is used, we must not convert \prettyref to a
4100 		// formatted reference, since that would result in a refstyle command.
4101 		if ((where = is_known(t.cs(), known_ref_commands)) &&
4102 		         (t.cs() != "prettyref" || !preamble.refstyle())) {
4103 			string const opt = p.getOpt();
4104 			if (opt.empty()) {
4105 				context.check_layout(os);
4106 				begin_command_inset(os, "ref",
4107 					known_coded_ref_commands[where - known_ref_commands]);
4108 				os << "reference \""
4109 				   << convert_literate_command_inset_arg(p.verbatim_item())
4110 				   << "\"\n";
4111 				os << "plural \"false\"\n";
4112 				os << "caps \"false\"\n";
4113 				os << "noprefix \"false\"\n";
4114 				end_inset(os);
4115 				if (t.cs() == "vref" || t.cs() == "vpageref")
4116 					preamble.registerAutomaticallyLoadedPackage("varioref");
4117 				else if (t.cs() == "prettyref")
4118 					preamble.registerAutomaticallyLoadedPackage("prettyref");
4119 			} else {
4120 				// LyX does not yet support optional arguments of ref commands
4121 				output_ert_inset(os, t.asInput() + opt + "{" +
4122 						 p.verbatim_item() + '}', context);
4123 			}
4124 			continue;
4125 		}
4126 
4127 		if (use_natbib &&
4128 			 is_known(t.cs(), known_natbib_commands) &&
4129 			 ((t.cs() != "citefullauthor" &&
4130 			   t.cs() != "citeyear" &&
4131 			   t.cs() != "citeyearpar") ||
4132 			  p.next_token().asInput() != "*")) {
4133 			context.check_layout(os);
4134 			string command = t.cs();
4135 			if (p.next_token().asInput() == "*") {
4136 				command += '*';
4137 				p.get_token();
4138 			}
4139 			if (command == "citefullauthor")
4140 				// alternative name for "\\citeauthor*"
4141 				command = "citeauthor*";
4142 
4143 			// text before the citation
4144 			string before;
4145 			// text after the citation
4146 			string after;
4147 			get_cite_arguments(p, true, before, after);
4148 
4149 			if (command == "cite") {
4150 				// \cite without optional argument means
4151 				// \citet, \cite with at least one optional
4152 				// argument means \citep.
4153 				if (before.empty() && after.empty())
4154 					command = "citet";
4155 				else
4156 					command = "citep";
4157 			}
4158 			if (before.empty() && after == "[]")
4159 				// avoid \citet[]{a}
4160 				after.erase();
4161 			else if (before == "[]" && after == "[]") {
4162 				// avoid \citet[][]{a}
4163 				before.erase();
4164 				after.erase();
4165 			}
4166 			bool literal = false;
4167 			pair<bool, string> aft;
4168 			pair<bool, string> bef;
4169 			// remove the brackets around after and before
4170 			if (!after.empty()) {
4171 				after.erase(0, 1);
4172 				after.erase(after.length() - 1, 1);
4173 				aft = convert_latexed_command_inset_arg(after);
4174 				literal = !aft.first;
4175 				after = literal ? subst(after, "\n", " ") : aft.second;
4176 			}
4177 			if (!before.empty()) {
4178 				before.erase(0, 1);
4179 				before.erase(before.length() - 1, 1);
4180 				bef = convert_latexed_command_inset_arg(before);
4181 				literal |= !bef.first;
4182 				before = literal ? subst(before, "\n", " ") : bef.second;
4183 				if (literal && !after.empty())
4184 					after = subst(after, "\n", " ");
4185 			}
4186 			string lit = literal ? "\"true\"" : "\"false\"";
4187 			begin_command_inset(os, "citation", command);
4188 			os << "after " << '"' << after << '"' << "\n";
4189 			os << "before " << '"' << before << '"' << "\n";
4190 			os << "key \""
4191 			   << convert_literate_command_inset_arg(p.verbatim_item())
4192 			   << "\"\n"
4193 			   << "literal " << lit << "\n";
4194 			end_inset(os);
4195 			// Need to set the cite engine if natbib is loaded by
4196 			// the document class directly
4197 			if (preamble.citeEngine() == "basic")
4198 				preamble.citeEngine("natbib");
4199 			continue;
4200 		}
4201 
4202 		if ((use_biblatex
4203 			 && is_known(t.cs(), known_biblatex_commands)
4204 			 && ((t.cs() == "cite"
4205 			     || t.cs() == "citeauthor"
4206 			     || t.cs() == "Citeauthor"
4207 			     || t.cs() == "parencite"
4208 			     || t.cs() == "citetitle")
4209 			 || p.next_token().asInput() != "*"))
4210 			|| (use_biblatex_natbib
4211 			    && (is_known(t.cs(), known_biblatex_commands)
4212 			      || is_known(t.cs(), known_natbib_commands))
4213 			    && ((t.cs() == "cite" || t.cs() == "citet" || t.cs() == "Citet"
4214 			       || t.cs() == "citep" || t.cs() == "Citep" || t.cs() == "citealt"
4215 			       || t.cs() == "Citealt" || t.cs() == "citealp" || t.cs() == "Citealp"
4216 			       || t.cs() == "citeauthor" || t.cs() == "Citeauthor"
4217 			       || t.cs() == "parencite" || t.cs() == "citetitle")
4218 			       || p.next_token().asInput() != "*"))){
4219 			context.check_layout(os);
4220 			string command = t.cs();
4221 			if (p.next_token().asInput() == "*") {
4222 				command += '*';
4223 				p.get_token();
4224 			}
4225 
4226 			bool const qualified = suffixIs(command, "s");
4227 			if (qualified)
4228 				command = rtrim(command, "s");
4229 
4230 			// text before the citation
4231 			string before;
4232 			// text after the citation
4233 			string after;
4234 			get_cite_arguments(p, true, before, after, qualified);
4235 
4236 			// These use natbib cmd names in LyX
4237 			// for inter-citeengine compativility
4238 			if (command == "citeyear")
4239 				command = "citebyear";
4240 			else if (command == "cite*")
4241 				command = "citeyear";
4242 			else if (command == "textcite")
4243 				command = "citet";
4244 			else if (command == "Textcite")
4245 				command = "Citet";
4246 			else if (command == "parencite")
4247 				command = "citep";
4248 			else if (command == "Parencite")
4249 				command = "Citep";
4250 			else if (command == "parencite*")
4251 				command = "citeyearpar";
4252 			else if (command == "smartcite")
4253 				command = "footcite";
4254 			else if (command == "Smartcite")
4255 				command = "Footcite";
4256 
4257 			string const emptyarg = qualified ? "()" : "[]";
4258 			if (before.empty() && after == emptyarg)
4259 				// avoid \cite[]{a}
4260 				after.erase();
4261 			else if (before == emptyarg && after == emptyarg) {
4262 				// avoid \cite[][]{a}
4263 				before.erase();
4264 				after.erase();
4265 			}
4266 			bool literal = false;
4267 			pair<bool, string> aft;
4268 			pair<bool, string> bef;
4269 			// remove the brackets around after and before
4270 			if (!after.empty()) {
4271 				after.erase(0, 1);
4272 				after.erase(after.length() - 1, 1);
4273 				aft = convert_latexed_command_inset_arg(after);
4274 				literal = !aft.first;
4275 				after = literal ? subst(after, "\n", " ") : aft.second;
4276 			}
4277 			if (!before.empty()) {
4278 				before.erase(0, 1);
4279 				before.erase(before.length() - 1, 1);
4280 				bef = convert_latexed_command_inset_arg(before);
4281 				literal |= !bef.first;
4282 				before = literal ? subst(before, "\n", " ") : bef.second;
4283 			}
4284 			string keys, pretextlist, posttextlist;
4285 			if (qualified) {
4286 				map<string, string> pres, posts, preslit, postslit;
4287 				vector<string> lkeys;
4288 				// text before the citation
4289 				string lbefore, lbeforelit;
4290 				// text after the citation
4291 				string lafter, lafterlit;
4292 				string lkey;
4293 				pair<bool, string> laft, lbef;
4294 				while (true) {
4295 					get_cite_arguments(p, true, lbefore, lafter);
4296 					// remove the brackets around after and before
4297 					if (!lafter.empty()) {
4298 						lafter.erase(0, 1);
4299 						lafter.erase(lafter.length() - 1, 1);
4300 						laft = convert_latexed_command_inset_arg(lafter);
4301 						literal |= !laft.first;
4302 						lafter = laft.second;
4303 						lafterlit = subst(lbefore, "\n", " ");
4304 					}
4305 					if (!lbefore.empty()) {
4306 						lbefore.erase(0, 1);
4307 						lbefore.erase(lbefore.length() - 1, 1);
4308 						lbef = convert_latexed_command_inset_arg(lbefore);
4309 						literal |= !lbef.first;
4310 						lbefore = lbef.second;
4311 						lbeforelit = subst(lbefore, "\n", " ");
4312 					}
4313 					if (lbefore.empty() && lafter == "[]") {
4314 						// avoid \cite[]{a}
4315 						lafter.erase();
4316 						lafterlit.erase();
4317 					}
4318 					else if (lbefore == "[]" && lafter == "[]") {
4319 						// avoid \cite[][]{a}
4320 						lbefore.erase();
4321 						lafter.erase();
4322 						lbeforelit.erase();
4323 						lafterlit.erase();
4324 					}
4325 					lkey = p.getArg('{', '}');
4326 					if (lkey.empty())
4327 						break;
4328 					if (!lbefore.empty()) {
4329 						pres.insert(make_pair(lkey, lbefore));
4330 						preslit.insert(make_pair(lkey, lbeforelit));
4331 					}
4332 					if (!lafter.empty()) {
4333 						posts.insert(make_pair(lkey, lafter));
4334 						postslit.insert(make_pair(lkey, lafterlit));
4335 					}
4336 					lkeys.push_back(lkey);
4337 				}
4338 				keys = convert_literate_command_inset_arg(getStringFromVector(lkeys));
4339 				if (literal) {
4340 					pres = preslit;
4341 					posts = postslit;
4342 				}
4343 				for (auto const & ptl : pres) {
4344 					if (!pretextlist.empty())
4345 						pretextlist += '\t';
4346 					pretextlist += ptl.first + " " + ptl.second;
4347 				}
4348 				for (auto const & potl : posts) {
4349 					if (!posttextlist.empty())
4350 						posttextlist += '\t';
4351 					posttextlist += potl.first + " " + potl.second;
4352 				}
4353 			} else
4354 				keys = convert_literate_command_inset_arg(p.verbatim_item());
4355 			if (literal) {
4356 				if (!after.empty())
4357 					after = subst(after, "\n", " ");
4358 				if (!before.empty())
4359 					before = subst(after, "\n", " ");
4360 			}
4361 			string lit = literal ? "\"true\"" : "\"false\"";
4362 			begin_command_inset(os, "citation", command);
4363 			os << "after " << '"' << after << '"' << "\n";
4364 			os << "before " << '"' << before << '"' << "\n";
4365 			os << "key \""
4366 			   << keys
4367 			   << "\"\n";
4368 			if (!pretextlist.empty())
4369 				os << "pretextlist " << '"'  << pretextlist << '"' << "\n";
4370 			if (!posttextlist.empty())
4371 				os << "posttextlist " << '"'  << posttextlist << '"' << "\n";
4372 			os << "literal " << lit << "\n";
4373 			end_inset(os);
4374 			// Need to set the cite engine if biblatex is loaded by
4375 			// the document class directly
4376 			if (preamble.citeEngine() == "basic")
4377 				use_biblatex_natbib ?
4378 					  preamble.citeEngine("biblatex-natbib")
4379 					: preamble.citeEngine("biblatex");
4380 			continue;
4381 		}
4382 
4383 		if (use_jurabib &&
4384 			 is_known(t.cs(), known_jurabib_commands) &&
4385 		         (t.cs() == "cite" || p.next_token().asInput() != "*")) {
4386 			context.check_layout(os);
4387 			string command = t.cs();
4388 			if (p.next_token().asInput() == "*") {
4389 				command += '*';
4390 				p.get_token();
4391 			}
4392 			char argumentOrder = '\0';
4393 			vector<string> const options =
4394 				preamble.getPackageOptions("jurabib");
4395 			if (find(options.begin(), options.end(),
4396 				      "natbiborder") != options.end())
4397 				argumentOrder = 'n';
4398 			else if (find(options.begin(), options.end(),
4399 					   "jurabiborder") != options.end())
4400 				argumentOrder = 'j';
4401 
4402 			// text before the citation
4403 			string before;
4404 			// text after the citation
4405 			string after;
4406 			get_cite_arguments(p, argumentOrder != 'j', before, after);
4407 
4408 			string const citation = p.verbatim_item();
4409 			if (!before.empty() && argumentOrder == '\0') {
4410 				cerr << "Warning: Assuming argument order "
4411 					"of jurabib version 0.6 for\n'"
4412 				     << command << before << after << '{'
4413 				     << citation << "}'.\n"
4414 					"Add 'jurabiborder' to the jurabib "
4415 					"package options if you used an\n"
4416 					"earlier jurabib version." << endl;
4417 			}
4418 			bool literal = false;
4419 			pair<bool, string> aft;
4420 			pair<bool, string> bef;
4421 			// remove the brackets around after and before
4422 			if (!after.empty()) {
4423 				after.erase(0, 1);
4424 				after.erase(after.length() - 1, 1);
4425 				aft = convert_latexed_command_inset_arg(after);
4426 				literal = !aft.first;
4427 				after = literal ? subst(after, "\n", " ") : aft.second;
4428 			}
4429 			if (!before.empty()) {
4430 				before.erase(0, 1);
4431 				before.erase(before.length() - 1, 1);
4432 				bef = convert_latexed_command_inset_arg(before);
4433 				literal |= !bef.first;
4434 				before = literal ? subst(before, "\n", " ") : bef.second;
4435 				if (literal && !after.empty())
4436 					after = subst(after, "\n", " ");
4437 			}
4438 			string lit = literal ? "\"true\"" : "\"false\"";
4439 			begin_command_inset(os, "citation", command);
4440 			os << "after " << '"' << after << "\"\n"
4441 			   << "before " << '"' << before << "\"\n"
4442 			   << "key " << '"' << citation << "\"\n"
4443 			   << "literal " << lit << "\n";
4444 			end_inset(os);
4445 			// Need to set the cite engine if jurabib is loaded by
4446 			// the document class directly
4447 			if (preamble.citeEngine() == "basic")
4448 				preamble.citeEngine("jurabib");
4449 			continue;
4450 		}
4451 
4452 		if (t.cs() == "cite"
4453 			|| t.cs() == "nocite") {
4454 			context.check_layout(os);
4455 			string after = p.getArg('[', ']');
4456 			pair<bool, string> aft = convert_latexed_command_inset_arg(after);
4457 			bool const literal = !aft.first;
4458 			after = literal ? subst(after, "\n", " ") : aft.second;
4459 			string lit = literal ? "\"true\"" : "\"false\"";
4460 			string key = convert_literate_command_inset_arg(p.verbatim_item());
4461 			// store the case that it is "\nocite{*}" to use it later for
4462 			// the BibTeX inset
4463 			if (key != "*") {
4464 				begin_command_inset(os, "citation", t.cs());
4465 				os << "after " << '"' << after << "\"\n"
4466 				   << "key " << '"' << key << "\"\n"
4467 				   << "literal " << lit << "\n";
4468 				end_inset(os);
4469 			} else if (t.cs() == "nocite")
4470 				btprint = key;
4471 			continue;
4472 		}
4473 
4474 		if (t.cs() == "index" ||
4475 		    (t.cs() == "sindex" && preamble.use_indices() == "true")) {
4476 			context.check_layout(os);
4477 			string const arg = (t.cs() == "sindex" && p.hasOpt()) ?
4478 				p.getArg('[', ']') : "";
4479 			string const kind = arg.empty() ? "idx" : arg;
4480 			begin_inset(os, "Index ");
4481 			os << kind << "\nstatus collapsed\n";
4482 			parse_text_in_inset(p, os, FLAG_ITEM, false, context, "Index");
4483 			end_inset(os);
4484 			if (kind != "idx")
4485 				preamble.registerAutomaticallyLoadedPackage("splitidx");
4486 			continue;
4487 		}
4488 
4489 		if (t.cs() == "nomenclature") {
4490 			context.check_layout(os);
4491 			begin_command_inset(os, "nomenclature", "nomenclature");
4492 			string prefix = convert_literate_command_inset_arg(p.getArg('[', ']'));
4493 			if (!prefix.empty())
4494 				os << "prefix " << '"' << prefix << '"' << "\n";
4495 			string symbol = p.verbatim_item();
4496 			pair<bool, string> sym = convert_latexed_command_inset_arg(symbol);
4497 			bool literal = !sym.first;
4498 			string description = p.verbatim_item();
4499 			pair<bool, string> desc = convert_latexed_command_inset_arg(description);
4500 			literal |= !desc.first;
4501 			if (literal) {
4502 				symbol = subst(symbol, "\n", " ");
4503 				description = subst(description, "\n", " ");
4504 			} else {
4505 				symbol = sym.second;
4506 				description = desc.second;
4507 			}
4508 			string lit = literal ? "\"true\"" : "\"false\"";
4509 			os << "symbol " << '"' << symbol;
4510 			os << "\"\ndescription \""
4511 			   << description << "\"\n"
4512 			   << "literal " << lit << "\n";
4513 			end_inset(os);
4514 			preamble.registerAutomaticallyLoadedPackage("nomencl");
4515 			continue;
4516 		}
4517 
4518 		if (t.cs() == "label") {
4519 			context.check_layout(os);
4520 			begin_command_inset(os, "label", "label");
4521 			os << "name \""
4522 			   << convert_literate_command_inset_arg(p.verbatim_item())
4523 			   << "\"\n";
4524 			end_inset(os);
4525 			continue;
4526 		}
4527 
4528 		if (t.cs() == "lyxmintcaption") {
4529 			string const pos = p.getArg('[', ']');
4530 			if (pos == "t") {
4531 				string const caption =
4532 					parse_text_snippet(p, FLAG_ITEM, false,
4533 							   context);
4534 				minted_nonfloat_caption = "[t]" + caption;
4535 			} else {
4536 				// We already got the caption at the bottom,
4537 				// so simply skip it.
4538 				parse_text_snippet(p, FLAG_ITEM, false, context);
4539 			}
4540 			eat_whitespace(p, os, context, true);
4541 			continue;
4542 		}
4543 
4544 		if (t.cs() == "printindex" || t.cs() == "printsubindex") {
4545 			context.check_layout(os);
4546 			string commandname = t.cs();
4547 			bool star = false;
4548 			if (p.next_token().asInput() == "*") {
4549 				commandname += "*";
4550 				star = true;
4551 				p.get_token();
4552 			}
4553 			begin_command_inset(os, "index_print", commandname);
4554 			string const indexname = p.getArg('[', ']');
4555 			if (!star) {
4556 				if (indexname.empty())
4557 					os << "type \"idx\"\n";
4558 				else
4559 					os << "type \"" << indexname << "\"\n";
4560 				os << "literal \"true\"\n";
4561 			}
4562 			end_inset(os);
4563 			skip_spaces_braces(p);
4564 			preamble.registerAutomaticallyLoadedPackage("makeidx");
4565 			if (preamble.use_indices() == "true")
4566 				preamble.registerAutomaticallyLoadedPackage("splitidx");
4567 			continue;
4568 		}
4569 
4570 		if (t.cs() == "printnomenclature") {
4571 			string width = "";
4572 			string width_type = "";
4573 			context.check_layout(os);
4574 			begin_command_inset(os, "nomencl_print", "printnomenclature");
4575 			// case of a custom width
4576 			if (p.hasOpt()) {
4577 				width = p.getArg('[', ']');
4578 				width = translate_len(width);
4579 				width_type = "custom";
4580 			}
4581 			// case of no custom width
4582 			// the case of no custom width but the width set
4583 			// via \settowidth{\nomlabelwidth}{***} cannot be supported
4584 			// because the user could have set anything, not only the width
4585 			// of the longest label (which would be width_type = "auto")
4586 			string label = convert_literate_command_inset_arg(p.getArg('{', '}'));
4587 			if (label.empty() && width_type.empty())
4588 				width_type = "none";
4589 			os << "set_width \"" << width_type << "\"\n";
4590 			if (width_type == "custom")
4591 				os << "width \"" << width << '\"';
4592 			end_inset(os);
4593 			skip_spaces_braces(p);
4594 			preamble.registerAutomaticallyLoadedPackage("nomencl");
4595 			continue;
4596 		}
4597 
4598 		if ((t.cs() == "textsuperscript" || t.cs() == "textsubscript")) {
4599 			context.check_layout(os);
4600 			begin_inset(os, "script ");
4601 			os << t.cs().substr(4) << '\n';
4602 			newinsetlayout = findInsetLayout(context.textclass, t.cs(), true);
4603 			parse_text_in_inset(p, os, FLAG_ITEM, false, context, newinsetlayout);
4604 			end_inset(os);
4605 			if (t.cs() == "textsubscript")
4606 				preamble.registerAutomaticallyLoadedPackage("subscript");
4607 			continue;
4608 		}
4609 
4610 		if ((where = is_known(t.cs(), known_quotes))) {
4611 			context.check_layout(os);
4612 			begin_inset(os, "Quotes ");
4613 			string quotetype = known_coded_quotes[where - known_quotes];
4614 			// try to make a smart guess about the side
4615 			Token const prev = p.prev_token();
4616 			bool const opening = (prev.cat() != catSpace && prev.character() != 0
4617 					&& prev.character() != '\n' && prev.character() != '~');
4618 			quotetype = guessQuoteStyle(quotetype, opening);
4619 			os << quotetype;
4620 			end_inset(os);
4621 			// LyX adds {} after the quote, so we have to eat
4622 			// spaces here if there are any before a possible
4623 			// {} pair.
4624 			eat_whitespace(p, os, context, false);
4625 			skip_braces(p);
4626 			continue;
4627 		}
4628 
4629 		if ((where = is_known(t.cs(), known_sizes)) &&
4630 			context.new_layout_allowed) {
4631 			context.check_layout(os);
4632 			TeXFont const oldFont = context.font;
4633 			context.font.size = known_coded_sizes[where - known_sizes];
4634 			output_font_change(os, oldFont, context.font);
4635 			eat_whitespace(p, os, context, false);
4636 			continue;
4637 		}
4638 
4639 		if ((where = is_known(t.cs(), known_font_families)) &&
4640 			 context.new_layout_allowed) {
4641 			context.check_layout(os);
4642 			TeXFont const oldFont = context.font;
4643 			context.font.family =
4644 				known_coded_font_families[where - known_font_families];
4645 			output_font_change(os, oldFont, context.font);
4646 			eat_whitespace(p, os, context, false);
4647 			continue;
4648 		}
4649 
4650 		if ((where = is_known(t.cs(), known_font_series)) &&
4651 			 context.new_layout_allowed) {
4652 			context.check_layout(os);
4653 			TeXFont const oldFont = context.font;
4654 			context.font.series =
4655 				known_coded_font_series[where - known_font_series];
4656 			output_font_change(os, oldFont, context.font);
4657 			eat_whitespace(p, os, context, false);
4658 			continue;
4659 		}
4660 
4661 		if ((where = is_known(t.cs(), known_font_shapes)) &&
4662 			 context.new_layout_allowed) {
4663 			context.check_layout(os);
4664 			TeXFont const oldFont = context.font;
4665 			context.font.shape =
4666 				known_coded_font_shapes[where - known_font_shapes];
4667 			output_font_change(os, oldFont, context.font);
4668 			eat_whitespace(p, os, context, false);
4669 			continue;
4670 		}
4671 		if ((where = is_known(t.cs(), known_old_font_families)) &&
4672 			 context.new_layout_allowed) {
4673 			context.check_layout(os);
4674 			TeXFont const oldFont = context.font;
4675 			context.font.init();
4676 			context.font.size = oldFont.size;
4677 			context.font.family =
4678 				known_coded_font_families[where - known_old_font_families];
4679 			output_font_change(os, oldFont, context.font);
4680 			eat_whitespace(p, os, context, false);
4681 			continue;
4682 		}
4683 
4684 		if ((where = is_known(t.cs(), known_old_font_series)) &&
4685 			 context.new_layout_allowed) {
4686 			context.check_layout(os);
4687 			TeXFont const oldFont = context.font;
4688 			context.font.init();
4689 			context.font.size = oldFont.size;
4690 			context.font.series =
4691 				known_coded_font_series[where - known_old_font_series];
4692 			output_font_change(os, oldFont, context.font);
4693 			eat_whitespace(p, os, context, false);
4694 			continue;
4695 		}
4696 
4697 		if ((where = is_known(t.cs(), known_old_font_shapes)) &&
4698 			 context.new_layout_allowed) {
4699 			context.check_layout(os);
4700 			TeXFont const oldFont = context.font;
4701 			context.font.init();
4702 			context.font.size = oldFont.size;
4703 			context.font.shape =
4704 				known_coded_font_shapes[where - known_old_font_shapes];
4705 			output_font_change(os, oldFont, context.font);
4706 			eat_whitespace(p, os, context, false);
4707 			continue;
4708 		}
4709 
4710 		if (t.cs() == "selectlanguage") {
4711 			context.check_layout(os);
4712 			// save the language for the case that a
4713 			// \foreignlanguage is used
4714 			context.font.language = babel2lyx(p.verbatim_item());
4715 			os << "\n\\lang " << context.font.language << "\n";
4716 			continue;
4717 		}
4718 
4719 		if (t.cs() == "foreignlanguage") {
4720 			string const lang = babel2lyx(p.verbatim_item());
4721 			parse_text_attributes(p, os, FLAG_ITEM, outer,
4722 			                      context, "\\lang",
4723 			                      context.font.language, lang);
4724 			continue;
4725 		}
4726 
4727 		if (prefixIs(t.cs(), "text") && preamble.usePolyglossia()
4728 			 && is_known(t.cs().substr(4), preamble.polyglossia_languages)) {
4729 			// scheme is \textLANGUAGE{text} where LANGUAGE is in polyglossia_languages[]
4730 			string lang;
4731 			// We have to output the whole command if it has an option
4732 			// because LyX doesn't support this yet, see bug #8214,
4733 			// only if there is a single option specifying a variant, we can handle it.
4734 			if (p.hasOpt()) {
4735 				string langopts = p.getOpt();
4736 				// check if the option contains a variant, if yes, extract it
4737 				string::size_type pos_var = langopts.find("variant");
4738 				string::size_type i = langopts.find(',');
4739 				string::size_type k = langopts.find('=', pos_var);
4740 				if (pos_var != string::npos && i == string::npos) {
4741 					string variant;
4742 					variant = langopts.substr(k + 1, langopts.length() - k - 2);
4743 					lang = preamble.polyglossia2lyx(variant);
4744 					parse_text_attributes(p, os, FLAG_ITEM, outer,
4745 						                  context, "\\lang",
4746 						                  context.font.language, lang);
4747 				} else
4748 					output_ert_inset(os, t.asInput() + langopts, context);
4749 			} else {
4750 				lang = preamble.polyglossia2lyx(t.cs().substr(4, string::npos));
4751 				parse_text_attributes(p, os, FLAG_ITEM, outer,
4752 					                  context, "\\lang",
4753 					                  context.font.language, lang);
4754 			}
4755 			continue;
4756 		}
4757 
4758 		if (t.cs() == "inputencoding") {
4759 			// nothing to write here
4760 			string const enc = subst(p.verbatim_item(), "\n", " ");
4761 			p.setEncoding(enc, Encoding::inputenc);
4762 			continue;
4763 		}
4764 
4765 		if (is_known(t.cs(), known_special_chars) ||
4766 		    (t.cs() == "protect" &&
4767 		     p.next_token().cat() == catEscape &&
4768 		     is_known(p.next_token().cs(), known_special_protect_chars))) {
4769 			// LyX sometimes puts a \protect in front, so we have to ignore it
4770 			where = is_known(
4771 				t.cs() == "protect" ? p.get_token().cs() : t.cs(),
4772 				known_special_chars);
4773 			context.check_layout(os);
4774 			os << known_coded_special_chars[where - known_special_chars];
4775 			skip_spaces_braces(p);
4776 			continue;
4777 		}
4778 
4779 		if ((t.cs() == "nobreakdash" && p.next_token().asInput() == "-") ||
4780 		         (t.cs() == "protect" && p.next_token().asInput() == "\\nobreakdash" &&
4781 		          p.next_next_token().asInput() == "-") ||
4782 		         (t.cs() == "@" && p.next_token().asInput() == ".")) {
4783 			// LyX sometimes puts a \protect in front, so we have to ignore it
4784 			if (t.cs() == "protect")
4785 				p.get_token();
4786 			context.check_layout(os);
4787 			if (t.cs() == "nobreakdash")
4788 				os << "\\SpecialChar nobreakdash\n";
4789 			else
4790 				os << "\\SpecialChar endofsentence\n";
4791 			p.get_token();
4792 			continue;
4793 		}
4794 
4795 		if (t.cs() == "_" || t.cs() == "&" || t.cs() == "#"
4796 			    || t.cs() == "$" || t.cs() == "{" || t.cs() == "}"
4797 			    || t.cs() == "%" || t.cs() == "-") {
4798 			context.check_layout(os);
4799 			if (t.cs() == "-")
4800 				os << "\\SpecialChar softhyphen\n";
4801 			else
4802 				os << t.cs();
4803 			continue;
4804 		}
4805 
4806 		if (t.cs() == "char") {
4807 			context.check_layout(os);
4808 			if (p.next_token().character() == '`') {
4809 				p.get_token();
4810 				if (p.next_token().cs() == "\"") {
4811 					p.get_token();
4812 					os << '"';
4813 					skip_braces(p);
4814 				} else {
4815 					output_ert_inset(os, "\\char`", context);
4816 				}
4817 			} else {
4818 				output_ert_inset(os, "\\char", context);
4819 			}
4820 			continue;
4821 		}
4822 
4823 		if (t.cs() == "verb") {
4824 			context.check_layout(os);
4825 			// set catcodes to verbatim early, just in case.
4826 			p.setCatcodes(VERBATIM_CATCODES);
4827 			string delim = p.get_token().asInput();
4828 			Parser::Arg arg = p.verbatimStuff(delim);
4829 			if (arg.first)
4830 				output_ert_inset(os, "\\verb" + delim
4831 						 + arg.second + delim, context);
4832 			else
4833 				cerr << "invalid \\verb command. Skipping" << endl;
4834 			continue;
4835 		}
4836 
4837 		// Problem: \= creates a tabstop inside the tabbing environment
4838 		// and else an accent. In the latter case we really would want
4839 		// \={o} instead of \= o.
4840 		if (t.cs() == "=" && (flags & FLAG_TABBING)) {
4841 			output_ert_inset(os, t.asInput(), context);
4842 			continue;
4843 		}
4844 
4845 		if (t.cs() == "\\") {
4846 			context.check_layout(os);
4847 			if (p.hasOpt())
4848 				output_ert_inset(os, "\\\\" + p.getOpt(), context);
4849 			else if (p.next_token().asInput() == "*") {
4850 				p.get_token();
4851 				// getOpt() eats the following space if there
4852 				// is no optional argument, but that is OK
4853 				// here since it has no effect in the output.
4854 				output_ert_inset(os, "\\\\*" + p.getOpt(), context);
4855 			}
4856 			else {
4857 				begin_inset(os, "Newline newline");
4858 				end_inset(os);
4859 			}
4860 			continue;
4861 		}
4862 
4863 		if (t.cs() == "newline" ||
4864 		    (t.cs() == "linebreak" && !p.hasOpt())) {
4865 			context.check_layout(os);
4866 			begin_inset(os, "Newline ");
4867 			os << t.cs();
4868 			end_inset(os);
4869 			skip_spaces_braces(p);
4870 			continue;
4871 		}
4872 
4873 		if (t.cs() == "input" || t.cs() == "include"
4874 		    || t.cs() == "verbatiminput"
4875 		    || t.cs() == "lstinputlisting"
4876 		    || t.cs() == "inputminted") {
4877 			string name = t.cs();
4878 			if (name == "verbatiminput"
4879 			    && p.next_token().asInput() == "*")
4880 				name += p.get_token().asInput();
4881 			context.check_layout(os);
4882 			string lstparams;
4883 			if (name == "lstinputlisting" && p.hasOpt()) {
4884 				lstparams = p.getArg('[', ']');
4885 				lstparams = subst(lstparams, "\n", " ");
4886 			} else if (name == "inputminted") {
4887 				name = "lstinputlisting";
4888 				string const lang = p.getArg('{', '}');
4889 				if (lang != "tex") {
4890 					string cmd = "\\inputminted{" + lang + "}{";
4891 					cmd += p.getArg('{', '}') + "}";
4892 					output_ert_inset(os, cmd, context);
4893 					continue;
4894 				}
4895 				if (prefixIs(minted_nonfloat_caption, "[t]")) {
4896 					minted_nonfloat_caption.erase(0,3);
4897 					// extract label and caption from the already produced LyX code
4898 					vector<string> nfc = getVectorFromString(minted_nonfloat_caption, "\n");
4899 					string const caption = nfc.front();
4900 					string label;
4901 					vector<string>::iterator it =
4902 						find(nfc.begin(), nfc.end(), "LatexCommand label");
4903 					if (it != nfc.end()) {
4904 						++it;
4905 						if (it != nfc.end())
4906 							label = *it;
4907 						label = support::split(label, '"');
4908 						label.pop_back();
4909 					}
4910 					minted_nonfloat_caption.clear();
4911 					lstparams = "caption=" + caption;
4912 					if (!label.empty())
4913 						lstparams += ",label=" + label;
4914 					lstparams = subst(lstparams, "\n", " ");
4915 				}
4916 			}
4917 			string filename(normalize_filename(p.getArg('{', '}')));
4918 			string const path = getMasterFilePath(true);
4919 			// We want to preserve relative / absolute filenames,
4920 			// therefore path is only used for testing
4921 			if ((t.cs() == "include" || t.cs() == "input") &&
4922 			    !makeAbsPath(filename, path).exists()) {
4923 				// The file extension is probably missing.
4924 				// Now try to find it out.
4925 				string const tex_name =
4926 					find_file(filename, path,
4927 						  known_tex_extensions);
4928 				if (!tex_name.empty())
4929 					filename = tex_name;
4930 			}
4931 			bool external = false;
4932 			string outname;
4933 			if (makeAbsPath(filename, path).exists()) {
4934 				string const abstexname =
4935 					makeAbsPath(filename, path).absFileName();
4936 				string const absfigname =
4937 					changeExtension(abstexname, ".fig");
4938 				fix_child_filename(filename);
4939 				string const lyxname = changeExtension(filename,
4940 					roundtripMode() ? ".lyx.lyx" : ".lyx");
4941 				string const abslyxname = makeAbsPath(
4942 					lyxname, getParentFilePath(false)).absFileName();
4943 				bool xfig = false;
4944 				if (!skipChildren())
4945 					external = FileName(absfigname).exists();
4946 				if (t.cs() == "input" && !skipChildren()) {
4947 					string const ext = getExtension(abstexname);
4948 
4949 					// Combined PS/LaTeX:
4950 					// x.eps, x.pstex_t (old xfig)
4951 					// x.pstex, x.pstex_t (new xfig, e.g. 3.2.5)
4952 					FileName const absepsname(
4953 						changeExtension(abstexname, ".eps"));
4954 					FileName const abspstexname(
4955 						changeExtension(abstexname, ".pstex"));
4956 					bool const xfigeps =
4957 						(absepsname.exists() ||
4958 						 abspstexname.exists()) &&
4959 						ext == "pstex_t";
4960 
4961 					// Combined PDF/LaTeX:
4962 					// x.pdf, x.pdftex_t (old xfig)
4963 					// x.pdf, x.pdf_t (new xfig, e.g. 3.2.5)
4964 					FileName const abspdfname(
4965 						changeExtension(abstexname, ".pdf"));
4966 					bool const xfigpdf =
4967 						abspdfname.exists() &&
4968 						(ext == "pdftex_t" || ext == "pdf_t");
4969 					if (xfigpdf)
4970 						pdflatex = true;
4971 
4972 					// Combined PS/PDF/LaTeX:
4973 					// x_pspdftex.eps, x_pspdftex.pdf, x.pspdftex
4974 					string const absbase2(
4975 						removeExtension(abstexname) + "_pspdftex");
4976 					FileName const abseps2name(
4977 						addExtension(absbase2, ".eps"));
4978 					FileName const abspdf2name(
4979 						addExtension(absbase2, ".pdf"));
4980 					bool const xfigboth =
4981 						abspdf2name.exists() &&
4982 						abseps2name.exists() && ext == "pspdftex";
4983 
4984 					xfig = xfigpdf || xfigeps || xfigboth;
4985 					external = external && xfig;
4986 				}
4987 				if (external) {
4988 					outname = changeExtension(filename, ".fig");
4989 					FileName abssrc(changeExtension(abstexname, ".fig"));
4990 					copy_file(abssrc, outname);
4991 				} else if (xfig) {
4992 					// Don't try to convert, the result
4993 					// would be full of ERT.
4994 					outname = filename;
4995 					FileName abssrc(abstexname);
4996 					copy_file(abssrc, outname);
4997 				} else if (t.cs() != "verbatiminput" &&
4998 				           !skipChildren() &&
4999 				    tex2lyx(abstexname, FileName(abslyxname),
5000 					    p.getEncoding())) {
5001 					outname = lyxname;
5002 					// no need to call copy_file
5003 					// tex2lyx creates the file
5004 				} else {
5005 					outname = filename;
5006 					FileName abssrc(abstexname);
5007 					copy_file(abssrc, outname);
5008 				}
5009 			} else {
5010 				cerr << "Warning: Could not find included file '"
5011 				     << filename << "'." << endl;
5012 				outname = filename;
5013 			}
5014 			if (external) {
5015 				begin_inset(os, "External\n");
5016 				os << "\ttemplate XFig\n"
5017 				   << "\tfilename " << outname << '\n';
5018 				registerExternalTemplatePackages("XFig");
5019 			} else {
5020 				begin_command_inset(os, "include", name);
5021 				outname = subst(outname, "\"", "\\\"");
5022 				os << "preview false\n"
5023 				      "filename \"" << outname << "\"\n";
5024 				if (!lstparams.empty())
5025 					os << "lstparams \"" << lstparams << "\"\n";
5026 				if (t.cs() == "verbatiminput")
5027 					preamble.registerAutomaticallyLoadedPackage("verbatim");
5028 			}
5029 			end_inset(os);
5030 			continue;
5031 		}
5032 
5033 		if (t.cs() == "bibliographystyle") {
5034 			// store new bibliographystyle
5035 			bibliographystyle = p.verbatim_item();
5036 			// If any other command than \bibliography, \addcontentsline
5037 			// and \nocite{*} follows, we need to output the style
5038 			// (because it might be used by that command).
5039 			// Otherwise, it will automatically be output by LyX.
5040 			p.pushPosition();
5041 			bool output = true;
5042 			for (Token t2 = p.get_token(); p.good(); t2 = p.get_token()) {
5043 				if (t2.cat() == catBegin)
5044 					break;
5045 				if (t2.cat() != catEscape)
5046 					continue;
5047 				if (t2.cs() == "nocite") {
5048 					if (p.getArg('{', '}') == "*")
5049 						continue;
5050 				} else if (t2.cs() == "bibliography")
5051 					output = false;
5052 				else if (t2.cs() == "phantomsection") {
5053 					output = false;
5054 					continue;
5055 				}
5056 				else if (t2.cs() == "addcontentsline") {
5057 					// get the 3 arguments of \addcontentsline
5058 					p.getArg('{', '}');
5059 					p.getArg('{', '}');
5060 					contentslineContent = p.getArg('{', '}');
5061 					// if the last argument is not \refname we must output
5062 					if (contentslineContent == "\\refname")
5063 						output = false;
5064 				}
5065 				break;
5066 			}
5067 			p.popPosition();
5068 			if (output) {
5069 				output_ert_inset(os,
5070 					"\\bibliographystyle{" + bibliographystyle + '}',
5071 					context);
5072 			}
5073 			continue;
5074 		}
5075 
5076 		if (t.cs() == "phantomsection") {
5077 			// we only support this if it occurs between
5078 			// \bibliographystyle and \bibliography
5079 			if (bibliographystyle.empty())
5080 				output_ert_inset(os, "\\phantomsection", context);
5081 			continue;
5082 		}
5083 
5084 		if (t.cs() == "addcontentsline") {
5085 			context.check_layout(os);
5086 			// get the 3 arguments of \addcontentsline
5087 			string const one = p.getArg('{', '}');
5088 			string const two = p.getArg('{', '}');
5089 			string const three = p.getArg('{', '}');
5090 			// only if it is a \refname, we support if for the bibtex inset
5091 			if (contentslineContent != "\\refname") {
5092 				output_ert_inset(os,
5093 					"\\addcontentsline{" + one + "}{" + two + "}{"+ three + '}',
5094 					context);
5095 			}
5096 			continue;
5097 		}
5098 
5099 		else if (t.cs() == "bibliography") {
5100 			context.check_layout(os);
5101 			string BibOpts;
5102 			begin_command_inset(os, "bibtex", "bibtex");
5103 			if (!btprint.empty()) {
5104 				os << "btprint " << '"' << "btPrintAll" << '"' << "\n";
5105 				// clear the string because the next BibTeX inset can be without the
5106 				// \nocite{*} option
5107 				btprint.clear();
5108 			}
5109 			os << "bibfiles " << '"' << normalize_filename(p.verbatim_item()) << '"' << "\n";
5110 			// Do we have addcontentsline?
5111 			if (contentslineContent == "\\refname") {
5112 				BibOpts = "bibtotoc";
5113 				// clear string because next BibTeX inset can be without addcontentsline
5114 				contentslineContent.clear();
5115 			}
5116 			// Do we have a bibliographystyle set?
5117 			if (!bibliographystyle.empty()) {
5118 				if (BibOpts.empty())
5119 					BibOpts = normalize_filename(bibliographystyle);
5120 				else
5121 					BibOpts = BibOpts + ',' + normalize_filename(bibliographystyle);
5122 				// clear it because each bibtex entry has its style
5123 				// and we need an empty string to handle \phantomsection
5124 				bibliographystyle.clear();
5125 			}
5126 			os << "options " << '"' << BibOpts << '"' << "\n";
5127 			end_inset(os);
5128 			continue;
5129 		}
5130 
5131 		if (t.cs() == "printbibliography") {
5132 			context.check_layout(os);
5133 			string BibOpts;
5134 			string bbloptions = p.hasOpt() ? p.getArg('[', ']') : string();
5135 			vector<string> opts = getVectorFromString(bbloptions);
5136 			vector<string>::iterator it =
5137 				find(opts.begin(), opts.end(), "heading=bibintoc");
5138 			if (it != opts.end()) {
5139 				opts.erase(it);
5140 				BibOpts = "bibtotoc";
5141 			}
5142 			bbloptions = getStringFromVector(opts);
5143 			begin_command_inset(os, "bibtex", "bibtex");
5144 			if (!btprint.empty()) {
5145 				os << "btprint " << '"' << "btPrintAll" << '"' << "\n";
5146 				// clear the string because the next BibTeX inset can be without the
5147 				// \nocite{*} option
5148 				btprint.clear();
5149 			}
5150 			string bibfiles;
5151 			for (auto const & bf : preamble.biblatex_bibliographies) {
5152 				if (!bibfiles.empty())
5153 					bibfiles += ",";
5154 				bibfiles += normalize_filename(bf);
5155 			}
5156 			if (!bibfiles.empty())
5157 				os << "bibfiles " << '"' << bibfiles << '"' << "\n";
5158 			// Do we have addcontentsline?
5159 			if (contentslineContent == "\\refname") {
5160 				BibOpts = "bibtotoc";
5161 				// clear string because next BibTeX inset can be without addcontentsline
5162 				contentslineContent.clear();
5163 			}
5164 			os << "options " << '"' << BibOpts << '"' << "\n";
5165 			if (!bbloptions.empty())
5166 				os << "biblatexopts " << '"' << bbloptions << '"' << "\n";
5167 			end_inset(os);
5168 			need_commentbib = false;
5169 			continue;
5170 		}
5171 
5172 		if (t.cs() == "bibbysection") {
5173 			context.check_layout(os);
5174 			string BibOpts;
5175 			string bbloptions = p.hasOpt() ? p.getArg('[', ']') : string();
5176 			vector<string> opts = getVectorFromString(bbloptions);
5177 			vector<string>::iterator it =
5178 				find(opts.begin(), opts.end(), "heading=bibintoc");
5179 			if (it != opts.end()) {
5180 				opts.erase(it);
5181 				BibOpts = "bibtotoc";
5182 			}
5183 			bbloptions = getStringFromVector(opts);
5184 			begin_command_inset(os, "bibtex", "bibtex");
5185 			os << "btprint " << '"' << "bibbysection" << '"' << "\n";
5186 			string bibfiles;
5187 			for (auto const & bf : preamble.biblatex_bibliographies) {
5188 				if (!bibfiles.empty())
5189 					bibfiles += ",";
5190 				bibfiles += normalize_filename(bf);
5191 			}
5192 			if (!bibfiles.empty())
5193 				os << "bibfiles " << '"' << bibfiles << '"' << "\n";
5194 			os << "options " << '"' << BibOpts << '"' << "\n";
5195 			if (!bbloptions.empty())
5196 				os << "biblatexopts " << '"' << bbloptions << '"' << "\n";
5197 			end_inset(os);
5198 			need_commentbib = false;
5199 			continue;
5200 		}
5201 
5202 		if (t.cs() == "parbox") {
5203 			// Test whether this is an outer box of a shaded box
5204 			p.pushPosition();
5205 			// swallow arguments
5206 			while (p.hasOpt()) {
5207 				p.getArg('[', ']');
5208 				p.skip_spaces(true);
5209 			}
5210 			p.getArg('{', '}');
5211 			p.skip_spaces(true);
5212 			// eat the '{'
5213 			if (p.next_token().cat() == catBegin)
5214 				p.get_token();
5215 			p.skip_spaces(true);
5216 			Token to = p.get_token();
5217 			bool shaded = false;
5218 			if (to.asInput() == "\\begin") {
5219 				p.skip_spaces(true);
5220 				if (p.getArg('{', '}') == "shaded")
5221 					shaded = true;
5222 			}
5223 			p.popPosition();
5224 			if (shaded) {
5225 				parse_outer_box(p, os, FLAG_ITEM, outer,
5226 				                context, "parbox", "shaded");
5227 			} else
5228 				parse_box(p, os, 0, FLAG_ITEM, outer, context,
5229 				          "", "", t.cs(), "", "");
5230 			continue;
5231 		}
5232 
5233 		if (t.cs() == "fbox" || t.cs() == "mbox" ||
5234 		    t.cs() == "ovalbox" || t.cs() == "Ovalbox" ||
5235 		    t.cs() == "shadowbox" || t.cs() == "doublebox") {
5236 			parse_outer_box(p, os, FLAG_ITEM, outer, context, t.cs(), "");
5237 			continue;
5238 		}
5239 
5240 		if (t.cs() == "fcolorbox" || t.cs() == "colorbox") {
5241 			string backgroundcolor;
5242 			preamble.registerAutomaticallyLoadedPackage("xcolor");
5243 			if (t.cs() == "fcolorbox") {
5244 				string const framecolor = p.getArg('{', '}');
5245 				backgroundcolor = p.getArg('{', '}');
5246 				parse_box(p, os, 0, 0, outer, context, "", "", "", framecolor, backgroundcolor);
5247 			} else {
5248 				backgroundcolor = p.getArg('{', '}');
5249 				parse_box(p, os, 0, 0, outer, context, "", "", "", "", backgroundcolor);
5250 			}
5251 			continue;
5252 		}
5253 
5254 		// FIXME: due to the compiler limit of "if" nestings
5255 		// the code for the alignment was put here
5256 		// put them in their own if if this is fixed
5257 		if (t.cs() == "fboxrule" || t.cs() == "fboxsep"
5258 		    || t.cs() == "shadowsize"
5259 		    || t.cs() == "raggedleft" || t.cs() == "centering"
5260 		    || t.cs() == "raggedright") {
5261 			if (t.cs() == "fboxrule")
5262 				fboxrule = "";
5263 			if (t.cs() == "fboxsep")
5264 				fboxsep = "";
5265 			if (t.cs() == "shadowsize")
5266 				shadow_size = "";
5267 			if (t.cs() != "raggedleft" && t.cs() != "centering"
5268 		         && t.cs() != "raggedright") {
5269 				p.skip_spaces(true);
5270 				while (p.good() && p.next_token().cat() != catSpace
5271 				       && p.next_token().cat() != catNewline
5272 				       && p.next_token().cat() != catEscape) {
5273 					if (t.cs() == "fboxrule")
5274 						fboxrule = fboxrule + p.get_token().asInput();
5275 					if (t.cs() == "fboxsep")
5276 						fboxsep = fboxsep + p.get_token().asInput();
5277 					if (t.cs() == "shadowsize")
5278 						shadow_size = shadow_size + p.get_token().asInput();
5279 				}
5280 			} else {
5281 				output_ert_inset(os, t.asInput(), context);
5282 			}
5283 			continue;
5284 		}
5285 
5286 		//\framebox() is part of the picture environment and different from \framebox{}
5287 		//\framebox{} will be parsed by parse_outer_box
5288 		if (t.cs() == "framebox") {
5289 			if (p.next_token().character() == '(') {
5290 				//the syntax is: \framebox(x,y)[position]{content}
5291 				string arg = t.asInput();
5292 				arg += p.getFullParentheseArg();
5293 				arg += p.getFullOpt();
5294 				eat_whitespace(p, os, context, false);
5295 				output_ert_inset(os, arg + '{', context);
5296 				parse_text(p, os, FLAG_ITEM, outer, context);
5297 				output_ert_inset(os, "}", context);
5298 			} else {
5299 				//the syntax is: \framebox[width][position]{content}
5300 				string special = p.getFullOpt();
5301 				special += p.getOpt();
5302 				parse_outer_box(p, os, FLAG_ITEM, outer,
5303 					            context, t.cs(), special);
5304 			}
5305 			continue;
5306 		}
5307 
5308 		//\makebox() is part of the picture environment and different from \makebox{}
5309 		//\makebox{} will be parsed by parse_box
5310 		if (t.cs() == "makebox") {
5311 			if (p.next_token().character() == '(') {
5312 				//the syntax is: \makebox(x,y)[position]{content}
5313 				string arg = t.asInput();
5314 				arg += p.getFullParentheseArg();
5315 				arg += p.getFullOpt();
5316 				eat_whitespace(p, os, context, false);
5317 				output_ert_inset(os, arg + '{', context);
5318 				parse_text(p, os, FLAG_ITEM, outer, context);
5319 				output_ert_inset(os, "}", context);
5320 			} else
5321 				//the syntax is: \makebox[width][position]{content}
5322 				parse_box(p, os, 0, FLAG_ITEM, outer, context,
5323 				          "", "", t.cs(), "", "");
5324 			continue;
5325 		}
5326 
5327 		if (t.cs() == "smallskip" ||
5328 		    t.cs() == "medskip" ||
5329 		    t.cs() == "bigskip" ||
5330 		    t.cs() == "vfill") {
5331 			context.check_layout(os);
5332 			begin_inset(os, "VSpace ");
5333 			os << t.cs();
5334 			end_inset(os);
5335 			skip_spaces_braces(p);
5336 			continue;
5337 		}
5338 
5339 		if ((where = is_known(t.cs(), known_spaces))) {
5340 			context.check_layout(os);
5341 			begin_inset(os, "space ");
5342 			os << '\\' << known_coded_spaces[where - known_spaces]
5343 			   << '\n';
5344 			end_inset(os);
5345 			// LaTeX swallows whitespace after all spaces except
5346 			// "\\,". We have to do that here, too, because LyX
5347 			// adds "{}" which would make the spaces significant.
5348 			if (t.cs() !=  ",")
5349 				eat_whitespace(p, os, context, false);
5350 			// LyX adds "{}" after all spaces except "\\ " and
5351 			// "\\,", so we have to remove "{}".
5352 			// "\\,{}" is equivalent to "\\," in LaTeX, so we
5353 			// remove the braces after "\\,", too.
5354 			if (t.cs() != " ")
5355 				skip_braces(p);
5356 			continue;
5357 		}
5358 
5359 		if (t.cs() == "newpage" ||
5360 		    (t.cs() == "pagebreak" && !p.hasOpt()) ||
5361 		    t.cs() == "clearpage" ||
5362 		    t.cs() == "cleardoublepage") {
5363 			context.check_layout(os);
5364 			begin_inset(os, "Newpage ");
5365 			os << t.cs();
5366 			end_inset(os);
5367 			skip_spaces_braces(p);
5368 			continue;
5369 		}
5370 
5371 		if (t.cs() == "DeclareRobustCommand" ||
5372 		         t.cs() == "DeclareRobustCommandx" ||
5373 		         t.cs() == "newcommand" ||
5374 		         t.cs() == "newcommandx" ||
5375 		         t.cs() == "providecommand" ||
5376 		         t.cs() == "providecommandx" ||
5377 		         t.cs() == "renewcommand" ||
5378 		         t.cs() == "renewcommandx") {
5379 			// DeclareRobustCommand, DeclareRobustCommandx,
5380 			// providecommand and providecommandx could be handled
5381 			// by parse_command(), but we need to call
5382 			// add_known_command() here.
5383 			string name = t.asInput();
5384 			if (p.next_token().asInput() == "*") {
5385 				// Starred form. Eat '*'
5386 				p.get_token();
5387 				name += '*';
5388 			}
5389 			string const command = p.verbatim_item();
5390 			string const opt1 = p.getFullOpt();
5391 			string const opt2 = p.getFullOpt();
5392 			add_known_command(command, opt1, !opt2.empty());
5393 			string const ert = name + '{' + command + '}' +
5394 					   opt1 + opt2 +
5395 					   '{' + p.verbatim_item() + '}';
5396 
5397 			if (t.cs() == "DeclareRobustCommand" ||
5398 			    t.cs() == "DeclareRobustCommandx" ||
5399 			    t.cs() == "providecommand" ||
5400 			    t.cs() == "providecommandx" ||
5401 			    name[name.length()-1] == '*')
5402 				output_ert_inset(os, ert, context);
5403 			else {
5404 				context.check_layout(os);
5405 				begin_inset(os, "FormulaMacro");
5406 				os << "\n" << ert;
5407 				end_inset(os);
5408 			}
5409 			continue;
5410 		}
5411 
5412 		if (t.cs() == "let" && p.next_token().asInput() != "*") {
5413 			// let could be handled by parse_command(),
5414 			// but we need to call add_known_command() here.
5415 			string ert = t.asInput();
5416 			string name;
5417 			p.skip_spaces();
5418 			if (p.next_token().cat() == catBegin) {
5419 				name = p.verbatim_item();
5420 				ert += '{' + name + '}';
5421 			} else {
5422 				name = p.verbatim_item();
5423 				ert += name;
5424 			}
5425 			string command;
5426 			p.skip_spaces();
5427 			if (p.next_token().cat() == catBegin) {
5428 				command = p.verbatim_item();
5429 				ert += '{' + command + '}';
5430 			} else {
5431 				command = p.verbatim_item();
5432 				ert += command;
5433 			}
5434 			// If command is known, make name known too, to parse
5435 			// its arguments correctly. For this reason we also
5436 			// have commands in syntax.default that are hardcoded.
5437 			CommandMap::iterator it = known_commands.find(command);
5438 			if (it != known_commands.end())
5439 				known_commands[t.asInput()] = it->second;
5440 			output_ert_inset(os, ert, context);
5441 			continue;
5442 		}
5443 
5444 		if (t.cs() == "hspace" || t.cs() == "vspace") {
5445 			if (starred)
5446 				p.get_token();
5447 			string name = t.asInput();
5448 			string const length = p.verbatim_item();
5449 			string unit;
5450 			string valstring;
5451 			bool valid = splitLatexLength(length, valstring, unit);
5452 			bool known_hspace = false;
5453 			bool known_vspace = false;
5454 			bool known_unit = false;
5455 			double value;
5456 			if (valid) {
5457 				istringstream iss(valstring);
5458 				iss >> value;
5459 				if (value == 1.0) {
5460 					if (t.cs()[0] == 'h') {
5461 						if (unit == "\\fill") {
5462 							if (!starred) {
5463 								unit = "";
5464 								name = "\\hfill";
5465 							}
5466 							known_hspace = true;
5467 						}
5468 					} else {
5469 						if (unit == "\\smallskipamount") {
5470 							unit = "smallskip";
5471 							known_vspace = true;
5472 						} else if (unit == "\\medskipamount") {
5473 							unit = "medskip";
5474 							known_vspace = true;
5475 						} else if (unit == "\\bigskipamount") {
5476 							unit = "bigskip";
5477 							known_vspace = true;
5478 						} else if (unit == "\\fill") {
5479 							unit = "vfill";
5480 							known_vspace = true;
5481 						}
5482 					}
5483 				}
5484 				if (!known_hspace && !known_vspace) {
5485 					switch (unitFromString(unit)) {
5486 					case Length::SP:
5487 					case Length::PT:
5488 					case Length::BP:
5489 					case Length::DD:
5490 					case Length::MM:
5491 					case Length::PC:
5492 					case Length::CC:
5493 					case Length::CM:
5494 					case Length::IN:
5495 					case Length::EX:
5496 					case Length::EM:
5497 					case Length::MU:
5498 						known_unit = true;
5499 						break;
5500 					default: {
5501 						//unitFromString(unit) fails for relative units like Length::PCW
5502 						// therefore handle them separately
5503 						if (unit == "\\paperwidth" || unit == "\\columnwidth"
5504 							|| unit == "\\textwidth" || unit == "\\linewidth"
5505 							|| unit == "\\textheight" || unit == "\\paperheight"
5506 							|| unit == "\\baselineskip")
5507 							known_unit = true;
5508 						break;
5509 							 }
5510 					}
5511 				}
5512 			}
5513 
5514 			// check for glue lengths
5515 			bool is_gluelength = false;
5516 			string gluelength = length;
5517 			string::size_type i = length.find(" minus");
5518 			if (i == string::npos) {
5519 				i = length.find(" plus");
5520 				if (i != string::npos)
5521 					is_gluelength = true;
5522 			} else
5523 				is_gluelength = true;
5524 			// if yes transform "9xx minus 8yy plus 7zz"
5525 			// to "9xx-8yy+7zz"
5526 			if (is_gluelength) {
5527 				i = gluelength.find(" minus");
5528 				if (i != string::npos)
5529 					gluelength.replace(i, 7, "-");
5530 				i = gluelength.find(" plus");
5531 				if (i != string::npos)
5532 					gluelength.replace(i, 6, "+");
5533 			}
5534 
5535 			if (t.cs()[0] == 'h' && (known_unit || known_hspace || is_gluelength)) {
5536 				// Literal horizontal length or known variable
5537 				context.check_layout(os);
5538 				begin_inset(os, "space ");
5539 				os << name;
5540 				if (starred)
5541 					os << '*';
5542 				os << '{';
5543 				if (known_hspace)
5544 					os << unit;
5545 				os << "}";
5546 				if (known_unit && !known_hspace)
5547 					os << "\n\\length " << translate_len(length);
5548 				if (is_gluelength)
5549 					os << "\n\\length " << gluelength;
5550 				end_inset(os);
5551 			} else if (known_unit || known_vspace || is_gluelength) {
5552 				// Literal vertical length or known variable
5553 				context.check_layout(os);
5554 				begin_inset(os, "VSpace ");
5555 				if (known_vspace)
5556 					os << unit;
5557 				if (known_unit && !known_vspace)
5558 					os << translate_len(length);
5559 				if (is_gluelength)
5560 					os << gluelength;
5561 				if (starred)
5562 					os << '*';
5563 				end_inset(os);
5564 			} else {
5565 				// LyX can't handle other length variables in Inset VSpace/space
5566 				if (starred)
5567 					name += '*';
5568 				if (valid) {
5569 					if (value == 1.0)
5570 						output_ert_inset(os, name + '{' + unit + '}', context);
5571 					else if (value == -1.0)
5572 						output_ert_inset(os, name + "{-" + unit + '}', context);
5573 					else
5574 						output_ert_inset(os, name + '{' + valstring + unit + '}', context);
5575 				} else
5576 					output_ert_inset(os, name + '{' + length + '}', context);
5577 			}
5578 			continue;
5579 		}
5580 
5581 		// Before we look for the layout name alone below, we check the layouts including the LateXParam, which
5582 		// might be one or several options or a star.
5583 		// The single '=' is meant here.
5584 		if ((newinsetlayout = findInsetLayout(context.textclass, starredname, true, p.getCommandLatexParam()))) {
5585 			if (starred)
5586 				p.get_token();
5587 			p.skip_spaces();
5588 			context.check_layout(os);
5589 			// store the latexparam here. This is eaten in parse_text_in_inset
5590 			context.latexparam = newinsetlayout->latexparam();
5591 			docstring name = newinsetlayout->name();
5592 			bool const caption = name.find(from_ascii("Caption:")) == 0;
5593 			if (caption) {
5594 				// Already done for floating minted listings.
5595 				if (minted_float.empty()) {
5596 					begin_inset(os, "Caption ");
5597 					os << to_utf8(name.substr(8)) << '\n';
5598 				}
5599 			} else {
5600 				// FIXME: what do we do if the prefix is not Flex: ?
5601 				if (prefixIs(name, from_ascii("Flex:")))
5602 					name.erase(0, 5);
5603 				begin_inset(os, "Flex ");
5604 				os << to_utf8(name) << '\n'
5605 				   << "status collapsed\n";
5606 			}
5607 			if (!minted_float.empty()) {
5608 				parse_text_snippet(p, os, FLAG_ITEM, false, context);
5609 			} else if (newinsetlayout->isPassThru()) {
5610 				// set catcodes to verbatim early, just in case.
5611 				p.setCatcodes(VERBATIM_CATCODES);
5612 				string delim = p.get_token().asInput();
5613 				if (delim != "{")
5614 					cerr << "Warning: bad delimiter for command " << t.asInput() << endl;
5615 				//FIXME: handle error condition
5616 				string const arg = p.verbatimStuff("}").second;
5617 				Context newcontext(true, context.textclass);
5618 				if (newinsetlayout->forcePlainLayout())
5619 					newcontext.layout = &context.textclass.plainLayout();
5620 				output_ert(os, arg, newcontext);
5621 			} else
5622 				parse_text_in_inset(p, os, FLAG_ITEM, false, context, newinsetlayout);
5623 			context.latexparam.clear();
5624 			if (caption)
5625 				p.skip_spaces();
5626 			// Minted caption insets are not closed here because
5627 			// we collect everything into the caption.
5628 			if (minted_float.empty())
5629 				end_inset(os);
5630 			continue;
5631 		}
5632 
5633 		// The single '=' is meant here.
5634 		if ((newinsetlayout = findInsetLayout(context.textclass, starredname, true))) {
5635 			if (starred)
5636 				p.get_token();
5637 			p.skip_spaces();
5638 			context.check_layout(os);
5639 			docstring const name = newinsetlayout->name();
5640 			bool const caption = name.find(from_ascii("Caption:")) == 0;
5641 			if (caption) {
5642 				// Already done for floating minted listings.
5643 				if (minted_float.empty()) {
5644 					begin_inset(os, "Caption ");
5645 					os << to_utf8(name.substr(8)) << '\n';
5646 				}
5647 			} else {
5648 				begin_inset(os, "Flex ");
5649 				os << to_utf8(name) << '\n'
5650 				   << "status collapsed\n";
5651 			}
5652 			if (!minted_float.empty()) {
5653 				parse_text_snippet(p, os, FLAG_ITEM, false, context);
5654 			} else if (newinsetlayout->isPassThru()) {
5655 				// set catcodes to verbatim early, just in case.
5656 				p.setCatcodes(VERBATIM_CATCODES);
5657 				string delim = p.get_token().asInput();
5658 				if (delim != "{")
5659 					cerr << "Warning: bad delimiter for command " << t.asInput() << endl;
5660 				//FIXME: handle error condition
5661 				string const arg = p.verbatimStuff("}").second;
5662 				Context newcontext(true, context.textclass);
5663 				if (newinsetlayout->forcePlainLayout())
5664 					newcontext.layout = &context.textclass.plainLayout();
5665 				output_ert(os, arg, newcontext);
5666 			} else
5667 				parse_text_in_inset(p, os, FLAG_ITEM, false, context, newinsetlayout);
5668 			if (caption)
5669 				p.skip_spaces();
5670 			// Minted caption insets are not closed here because
5671 			// we collect everything into the caption.
5672 			if (minted_float.empty())
5673 				end_inset(os);
5674 			continue;
5675 		}
5676 
5677 		if (t.cs() == "includepdf") {
5678 			p.skip_spaces();
5679 			string const arg = p.getArg('[', ']');
5680 			map<string, string> opts;
5681 			vector<string> keys;
5682 			split_map(arg, opts, keys);
5683 			string name = normalize_filename(p.verbatim_item());
5684 			string const path = getMasterFilePath(true);
5685 			// We want to preserve relative / absolute filenames,
5686 			// therefore path is only used for testing
5687 			if (!makeAbsPath(name, path).exists()) {
5688 				// The file extension is probably missing.
5689 				// Now try to find it out.
5690 				char const * const pdfpages_format[] = {"pdf", 0};
5691 				string const pdftex_name =
5692 					find_file(name, path, pdfpages_format);
5693 				if (!pdftex_name.empty()) {
5694 					name = pdftex_name;
5695 					pdflatex = true;
5696 				}
5697 			}
5698 			FileName const absname = makeAbsPath(name, path);
5699 			if (absname.exists())
5700 			{
5701 				fix_child_filename(name);
5702 				copy_file(absname, name);
5703 			} else
5704 				cerr << "Warning: Could not find file '"
5705 				     << name << "'." << endl;
5706 			// write output
5707 			context.check_layout(os);
5708 			begin_inset(os, "External\n\ttemplate ");
5709 			os << "PDFPages\n\tfilename "
5710 			   << name << "\n";
5711 			// parse the options
5712 			if (opts.find("pages") != opts.end())
5713 				os << "\textra LaTeX \"pages="
5714 				   << opts["pages"] << "\"\n";
5715 			if (opts.find("angle") != opts.end())
5716 				os << "\trotateAngle "
5717 				   << opts["angle"] << '\n';
5718 			if (opts.find("origin") != opts.end()) {
5719 				ostringstream ss;
5720 				string const opt = opts["origin"];
5721 				if (opt == "tl") ss << "topleft";
5722 				if (opt == "bl") ss << "bottomleft";
5723 				if (opt == "Bl") ss << "baselineleft";
5724 				if (opt == "c") ss << "center";
5725 				if (opt == "tc") ss << "topcenter";
5726 				if (opt == "bc") ss << "bottomcenter";
5727 				if (opt == "Bc") ss << "baselinecenter";
5728 				if (opt == "tr") ss << "topright";
5729 				if (opt == "br") ss << "bottomright";
5730 				if (opt == "Br") ss << "baselineright";
5731 				if (!ss.str().empty())
5732 					os << "\trotateOrigin " << ss.str() << '\n';
5733 				else
5734 					cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
5735 			}
5736 			if (opts.find("width") != opts.end())
5737 				os << "\twidth "
5738 				   << translate_len(opts["width"]) << '\n';
5739 			if (opts.find("height") != opts.end())
5740 				os << "\theight "
5741 				   << translate_len(opts["height"]) << '\n';
5742 			if (opts.find("keepaspectratio") != opts.end())
5743 				os << "\tkeepAspectRatio\n";
5744 			end_inset(os);
5745 			context.check_layout(os);
5746 			registerExternalTemplatePackages("PDFPages");
5747 			continue;
5748 		}
5749 
5750 		if (t.cs() == "loadgame") {
5751 			p.skip_spaces();
5752 			string name = normalize_filename(p.verbatim_item());
5753 			string const path = getMasterFilePath(true);
5754 			// We want to preserve relative / absolute filenames,
5755 			// therefore path is only used for testing
5756 			if (!makeAbsPath(name, path).exists()) {
5757 				// The file extension is probably missing.
5758 				// Now try to find it out.
5759 				char const * const lyxskak_format[] = {"fen", 0};
5760 				string const lyxskak_name =
5761 					find_file(name, path, lyxskak_format);
5762 				if (!lyxskak_name.empty())
5763 					name = lyxskak_name;
5764 			}
5765 			FileName const absname = makeAbsPath(name, path);
5766 			if (absname.exists())
5767 			{
5768 				fix_child_filename(name);
5769 				copy_file(absname, name);
5770 			} else
5771 				cerr << "Warning: Could not find file '"
5772 				     << name << "'." << endl;
5773 			context.check_layout(os);
5774 			begin_inset(os, "External\n\ttemplate ");
5775 			os << "ChessDiagram\n\tfilename "
5776 			   << name << "\n";
5777 			end_inset(os);
5778 			context.check_layout(os);
5779 			// after a \loadgame follows a \showboard
5780 			if (p.get_token().asInput() == "showboard")
5781 				p.get_token();
5782 			registerExternalTemplatePackages("ChessDiagram");
5783 			continue;
5784 		}
5785 
5786 		// try to see whether the string is in unicodesymbols
5787 		// Only use text mode commands, since we are in text mode here,
5788 		// and math commands may be invalid (bug 6797)
5789 		string name = t.asInput();
5790 		// handle the dingbats, cyrillic and greek
5791 		if (name == "\\ding" || name == "\\textcyr" ||
5792 		    (name == "\\textgreek" && !preamble.usePolyglossia()))
5793 			name = name + '{' + p.getArg('{', '}') + '}';
5794 		// handle the ifsym characters
5795 		else if (name == "\\textifsymbol") {
5796 			string const optif = p.getFullOpt();
5797 			string const argif = p.getArg('{', '}');
5798 			name = name + optif + '{' + argif + '}';
5799 		}
5800 		// handle the \ascii characters
5801 		// the case of \ascii within braces, as LyX outputs it, is already
5802 		// handled for t.cat() == catBegin
5803 		else if (name == "\\ascii") {
5804 			// the code is "\asci\xxx"
5805 			name = "{" + name + p.get_token().asInput() + "}";
5806 			skip_braces(p);
5807 		}
5808 		// handle some TIPA special characters
5809 		else if (preamble.isPackageUsed("tipa")) {
5810 			if (name == "\\s") {
5811 				// fromLaTeXCommand() does not yet
5812 				// recognize tipa short cuts
5813 				name = "\\textsyllabic";
5814 			} else if (name == "\\=" &&
5815 				   p.next_token().asInput() == "*") {
5816 				// fromLaTeXCommand() does not yet
5817 				// recognize tipa short cuts
5818 				p.get_token();
5819 				name = "\\textsubbar";
5820 			} else if (name == "\\textdoublevertline") {
5821 				// FIXME: This is not correct,
5822 				// \textvertline is higher than \textbardbl
5823 				name = "\\textbardbl";
5824 				skip_braces(p);
5825 			} else if (name == "\\!" ) {
5826 				if (p.next_token().asInput() == "b") {
5827 					p.get_token();	// eat 'b'
5828 					name = "\\texthtb";
5829 					skip_braces(p);
5830 				} else if (p.next_token().asInput() == "d") {
5831 					p.get_token();
5832 					name = "\\texthtd";
5833 					skip_braces(p);
5834 				} else if (p.next_token().asInput() == "g") {
5835 					p.get_token();
5836 					name = "\\texthtg";
5837 					skip_braces(p);
5838 				} else if (p.next_token().asInput() == "G") {
5839 					p.get_token();
5840 					name = "\\texthtscg";
5841 					skip_braces(p);
5842 				} else if (p.next_token().asInput() == "j") {
5843 					p.get_token();
5844 					name = "\\texthtbardotlessj";
5845 					skip_braces(p);
5846 				} else if (p.next_token().asInput() == "o") {
5847 					p.get_token();
5848 					name = "\\textbullseye";
5849 					skip_braces(p);
5850 				}
5851 			} else if (name == "\\*" ) {
5852 				if (p.next_token().asInput() == "k") {
5853 					p.get_token();
5854 					name = "\\textturnk";
5855 					skip_braces(p);
5856 				} else if (p.next_token().asInput() == "r") {
5857 					p.get_token();	// eat 'b'
5858 					name = "\\textturnr";
5859 					skip_braces(p);
5860 				} else if (p.next_token().asInput() == "t") {
5861 					p.get_token();
5862 					name = "\\textturnt";
5863 					skip_braces(p);
5864 				} else if (p.next_token().asInput() == "w") {
5865 					p.get_token();
5866 					name = "\\textturnw";
5867 					skip_braces(p);
5868 				}
5869 			}
5870 		}
5871 		if ((name.size() == 2 &&
5872 		     contains("\"'.=^`bcdHkrtuv~", name[1]) &&
5873 		     p.next_token().asInput() != "*") ||
5874 		    is_known(name.substr(1), known_tipa_marks)) {
5875 			// name is a command that corresponds to a
5876 			// combining character in unicodesymbols.
5877 			// Append the argument, fromLaTeXCommand()
5878 			// will either convert it to a single
5879 			// character or a combining sequence.
5880 			name += '{' + p.verbatim_item() + '}';
5881 		}
5882 		// now get the character from unicodesymbols
5883 		bool termination;
5884 		docstring rem;
5885 		set<string> req;
5886 		docstring s = normalize_c(encodings.fromLaTeXCommand(from_utf8(name),
5887 				Encodings::TEXT_CMD, termination, rem, &req));
5888 		if (!s.empty()) {
5889 			context.check_layout(os);
5890 			os << to_utf8(s);
5891 			if (!rem.empty())
5892 				output_ert_inset(os, to_utf8(rem), context);
5893 			if (termination)
5894 				skip_spaces_braces(p);
5895 			for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
5896 				preamble.registerAutomaticallyLoadedPackage(*it);
5897 		}
5898 		//cerr << "#: " << t << " mode: " << mode << endl;
5899 		// heuristic: read up to next non-nested space
5900 		/*
5901 		string s = t.asInput();
5902 		string z = p.verbatim_item();
5903 		while (p.good() && z != " " && !z.empty()) {
5904 			//cerr << "read: " << z << endl;
5905 			s += z;
5906 			z = p.verbatim_item();
5907 		}
5908 		cerr << "found ERT: " << s << endl;
5909 		output_ert_inset(os, s + ' ', context);
5910 		*/
5911 		else {
5912 			if (t.asInput() == name &&
5913 			    p.next_token().asInput() == "*") {
5914 				// Starred commands like \vspace*{}
5915 				p.get_token();	// Eat '*'
5916 				name += '*';
5917 			}
5918 			if (!parse_command(name, p, os, outer, context)) {
5919 				output_ert_inset(os, name, context);
5920 				// Try to handle options of unknown commands:
5921 				// Look if we have an optional arguments,
5922 				// and if so, put the brackets in ERT.
5923 				while (p.hasOpt()) {
5924 					p.get_token(); // eat '['
5925 					output_ert_inset(os, "[", context);
5926 					os << parse_text_snippet(p, FLAG_BRACK_LAST, outer, context);
5927 					output_ert_inset(os, "]", context);
5928 				}
5929 			}
5930 		}
5931 	}
5932 }
5933 
5934 
guessLanguage(Parser & p,string const & lang)5935 string guessLanguage(Parser & p, string const & lang)
5936 {
5937 	typedef std::map<std::string, size_t> LangMap;
5938 	// map from language names to number of characters
5939 	LangMap used;
5940 	used[lang] = 0;
5941 	for (char const * const * i = supported_CJK_languages; *i; i++)
5942 		used[string(*i)] = 0;
5943 
5944 	while (p.good()) {
5945 		Token const t = p.get_token();
5946 		// comments are not counted for any language
5947 		if (t.cat() == catComment)
5948 			continue;
5949 		// commands are not counted as well, but we need to detect
5950 		// \begin{CJK} and switch encoding if needed
5951 		if (t.cat() == catEscape) {
5952 			if (t.cs() == "inputencoding") {
5953 				string const enc = subst(p.verbatim_item(), "\n", " ");
5954 				p.setEncoding(enc, Encoding::inputenc);
5955 				continue;
5956 			}
5957 			if (t.cs() != "begin")
5958 				continue;
5959 		} else {
5960 			// Non-CJK content is counted for lang.
5961 			// We do not care about the real language here:
5962 			// If we have more non-CJK contents than CJK contents,
5963 			// we simply use the language that was specified as
5964 			// babel main language.
5965 			used[lang] += t.asInput().length();
5966 			continue;
5967 		}
5968 		// Now we are starting an environment
5969 		p.pushPosition();
5970 		string const name = p.getArg('{', '}');
5971 		if (name != "CJK") {
5972 			p.popPosition();
5973 			continue;
5974 		}
5975 		// It is a CJK environment
5976 		p.popPosition();
5977 		/* name = */ p.getArg('{', '}');
5978 		string const encoding = p.getArg('{', '}');
5979 		/* mapping = */ p.getArg('{', '}');
5980 		string const encoding_old = p.getEncoding();
5981 		char const * const * const where =
5982 			is_known(encoding, supported_CJK_encodings);
5983 		if (where)
5984 			p.setEncoding(encoding, Encoding::CJK);
5985 		else
5986 			p.setEncoding("UTF-8");
5987 		string const text = p.ertEnvironment("CJK");
5988 		p.setEncoding(encoding_old);
5989 		p.skip_spaces();
5990 		if (!where) {
5991 			// ignore contents in unknown CJK encoding
5992 			continue;
5993 		}
5994 		// the language of the text
5995 		string const cjk =
5996 			supported_CJK_languages[where - supported_CJK_encodings];
5997 		used[cjk] += text.length();
5998 	}
5999 	LangMap::const_iterator use = used.begin();
6000 	for (LangMap::const_iterator it = used.begin(); it != used.end(); ++it) {
6001 		if (it->second > use->second)
6002 			use = it;
6003 	}
6004 	return use->first;
6005 }
6006 
6007 
check_comment_bib(ostream & os,Context & context)6008 void check_comment_bib(ostream & os, Context & context)
6009 {
6010 	if (!need_commentbib)
6011 		return;
6012 	// We have a bibliography database, but no bibliography with biblatex
6013 	// which is completely valid. Insert a bibtex inset in a note.
6014 	context.check_layout(os);
6015 	begin_inset(os, "Note Note\n");
6016 	os << "status open\n";
6017 	os << "\\begin_layout Plain Layout\n";
6018 	begin_command_inset(os, "bibtex", "bibtex");
6019 	string bibfiles;
6020 	for (auto const & bf : preamble.biblatex_bibliographies) {
6021 		if (!bibfiles.empty())
6022 			bibfiles += ",";
6023 		bibfiles += normalize_filename(bf);
6024 	}
6025 	if (!bibfiles.empty())
6026 		os << "bibfiles " << '"' << bibfiles << '"' << "\n";
6027 	end_inset(os);// Bibtex
6028 	os << "\\end_layout\n";
6029 	end_inset(os);// Note
6030 }
6031 
6032 // }])
6033 
6034 
6035 } // namespace lyx
6036