/* * @(#)tdef.h 2.4 (Berkeley) 11/3/90 */ /* starting values for typesetting parameters: */ #define PS 10 /* default point size */ #define FT 1 /* default font position */ #define ULFONT 2 /* default underline font */ #define BDFONT 3 /* default emboldening font */ #define BIFONT 4 /* default bold italic font */ #define LL (unsigned) 65*INCH/10 /* line length; 39picas=6.5in */ #define VS ((12*INCH)/72) /* initial vert space */ #ifdef NROFF # define EM t.Em # define HOR t.Adj # define VERT t.Vert # define INCH 240 /* increments per inch */ # define SPS INCH/10 /* space size */ # define SS INCH/10 /* " */ # define TRAILER 0 # define PO 0 /* page offset */ # define ASCII 1 # define LG 0 # define DTAB 0 /* set at 8 Ems at init time */ # define ICS 2*SPS #endif #ifndef NROFF /* TROFF */ /* Inch is set by ptinit() when troff started. /* all derived values set then too */ # define INCH Inch /* troff resolution -- number of goobies/inch */ # define POINT (INCH/72) /* goobies per point (1/72 inch) */ # define HOR Hor /* horizontal resolution in goobies */ # define VERT Vert /* vertical resolution in goobies */ # define SPS (EM/3) /* space size */ # define SS 12 /* space size in 36ths of an em */ # define PO (INCH) /* page offset 1 inch */ /* # define EM (POINT * pts) */ #define EM (((long) INCH * pts + 36) / 72) /* don't lose significance */ #define EMPTS(pts) (((long) INCH * (pts) + 36) / 72) # define ASCII 0 # define LG 1 # define DTAB (INCH/2) # define ICS 3*SPS #endif /* These "characters" are used to encode various internal functions /* Some make use of the fact that most ascii characters between /* 0 and 040 don't have any graphic or other function. /* The few that do have a purpose (e.g., \n, \b, \t, ... /* are avoided by the ad hoc choices here. /* See ifilt[] in n1.c for others -- 1, 2, 3, 5, 6, 7, 010, 011, 012 */ #define LEADER 001 #define IMP 004 /* impossible char; glues things together */ #define TAB 011 #define RPT 014 /* next character is to be repeated many times */ #define CHARHT 015 /* size field sets character height */ #define SLANT 016 /* size field sets amount of slant */ #define DRAWFCN 017 /* next several chars describe arb drawing fcn */ /* line: 'l' dx dy char */ /* circle: 'c' r */ /* ellipse: 'e' rx ry */ /* arc: 'a' dx dy r */ /* wiggly line '~' x y x y ... */ #define DRAWLINE 'l' #define DRAWCIRCLE 'c' /* circle */ #define DRAWELLIPSE 'e' #define DRAWARC 'a' /* arbitrary arc */ #define DRAWSPLINE '~' /* quadratic B spline */ #define LEFT 020 /* \{ */ #define RIGHT 021 /* \} */ #define FILLER 022 /* \& and similar purposes */ #define XON 023 /* \X'...' starts here */ #define OHC 024 /* optional hyphenation character \% */ #define CONT 025 /* \c character */ #define PRESC 026 /* printable escape */ #define UNPAD 027 /* unpaddable blank */ #define XPAR 030 /* transparent mode indicator */ #define FLSS 031 #define WORDSP 032 /* paddable word space */ #define ESC 033 #define XOFF 034 /* \X'...' ends here */ #define iscontrol(n) (n==035 || n==036) /* used to test the next two */ #define HX 035 /* next character is value of \x'...' */ #define MAXFONTS 99 /* Max number of mounted fonts (in fontab) */ #define HYPHEN c_hyphen #define EMDASH c_emdash /* \(em */ #define RULE c_rule /* \(ru */ #define MINUS c_minus /* minus sign on current font */ #define LIG_FI c_fi /* \(ff */ #define LIG_FL c_fl /* \(fl */ #define LIG_FF c_ff /* \(ff */ #define LIG_FFI c_ffi /* \(Fi */ #define LIG_FFL c_ffl /* \(Fl */ #define ACUTE c_acute /* acute accent \(aa */ #define GRAVE c_grave /* grave accent \(ga */ #define UNDERLINE c_under /* \(ul */ #define ROOTEN c_rooten /* root en \(rn */ #define BOXRULE c_boxrule /* box rule \(br */ #define LEFTHAND c_lefthand /* left hand for word overflow */ #define DAGGER c_dagger /* dagger for footnotes */ /* array sizes, and similar limits: */ #define NFONT 128 /* maximum number of fonts (including specials) */ #define NN 400 /* number registers */ #define NNAMES 15 /* predefined reg names */ #define NIF 15 /* if-else nesting */ #define NS 128 /* name buffer */ #define NTM 256 /* tm buffer */ #define NEV 3 /* environments */ #define EVLSZ 10 /* size of ev stack */ #define DSIZE 2048 /* disk sector size in chars */ #define NM 500 /* requests + macros */ #define DELTA 8192 /* delta core bytes */ #define NHYP 10 /* max hyphens per word */ #define NHEX 128 /* byte size of exception word list */ #define NTAB 40 /* tab stops */ #define NSO 5 /* "so" depth */ #define WDSIZE 270 /* word buffer size */ #define LNSIZE 1024 /* line buffer size */ #define NDI 5 /* number of diversions */ #define NTRTAB 512 /* number of items in trtab[] */ #define NWIDCACHE 512 /* number of items in widcache[] */ #define NTRAP 20 /* number of traps */ #define NPN 20 /* numbers in "-o" */ #define FBUFSZ 256 /* field buf size words */ #define IBUFSZ 8192 /* bytes */ #define NC 1024 /* cbuf size words */ #define NOV 10 /* number of overstrike chars */ #define NPP 10 /* pads per field */ /* Internal character representation: Internally, every character is carried around as a 32 bit cookie, called a "tchar" (typedef long). Bits are numbered 31..0 from left to right. If bit 15 is 1, the character is motion, with if bit 16 it's vertical motion if bit 17 it's negative motion If bit 15 is 0, the character is a real character. if bit 31 zero motion bits 30..24 size bits 23..16 font bit 8 absolute char number in 7..0 This implies at most 256-32 characters in a single font, which is going to be a problem somewhere */ /* in the following, "L" should really be a tchar, but ... */ #define MOT (01L<<15) /* motion character indicator */ #define MOTV (07L<<15) /* clear for motion part */ #define VMOT (01L<<16) /* vert motion bit */ #define NMOT (01L<<17) /* negative motion indicator*/ #define MAXMOT 32767 /* bad way to write this!!! */ #define ismot(n) ((n) & MOT) #define isvmot(n) ((n) & VMOT) /* must have tested MOT previously */ #define isnmot(n) ((n) & NMOT) /* ditto */ #define absmot(n) (unsigned)(0177777 & (n) & ~MOT) /* (short) is cheap mask */ #define ZBIT (01L << 31) /* zero width char */ #define iszbit(n) ((n) & ZBIT) #define ABSCHAR 0400 /* absolute char number in this font */ #define SMASK (0177L << 24) #define FMASK (0377L << 16) #define SFMASK (SMASK|FMASK) /* size and font in a tchar */ #define sbits(n) (((n) >> 24) & 0177) #define fbits(n) (((n) >> 16) & 0377) #define sfbits(n) (unsigned)(0177777 & (((n) & SFMASK) >> 16)) #define cbits(n) (unsigned)(0177777 & (n)) /* isolate bottom 16 bits */ #define absbits(n) (cbits(n) & ~ABSCHAR) #define setsbits(n,s) n = (n & ~SMASK) | (tchar)(s) << 24 #define setfbits(n,f) n = (n & ~FMASK) | (tchar)(f) << 16 #define setsfbits(n,sf) n = (n & ~SFMASK) | (tchar)(sf) << 16 #define setcbits(n,c) n = (n & ~077777L | (c)) /* set character bits */ #define BYTEMASK 0377 #define BYTE 8 #define ZONE 5 /* 5 hrs for EST */ #define TABMASK 037777 #define RTAB (unsigned) 0100000 #define CTAB 040000 #define TABBIT 02 /* bits in gchtab */ #define LDRBIT 04 #define FCBIT 010 #define PAIR(A,B) (A|(B<_ics) #define sps (env->_sps) #define spacesz (env->_spacesz) #define lss (env->_lss) #define lss1 (env->_lss1) #define ll (env->_ll) #define ll1 (env->_ll1) #define lt (env->_lt) #define lt1 (env->_lt1) #define ic (env->_ic) #define icf (env->_icf) #define chbits (env->_chbits) #define spbits (env->_spbits) #define nmbits (env->_nmbits) #define apts (env->_apts) #define apts1 (env->_apts1) #define pts (env->_pts) #define pts1 (env->_pts1) #define font (env->_font) #define font1 (env->_font1) #define ls (env->_ls) #define ls1 (env->_ls1) #define ad (env->_ad) #define nms (env->_nms) #define ndf (env->_ndf) #define fi (env->_fi) #define cc (env->_cc) #define c2 (env->_c2) #define ohc (env->_ohc) #define tdelim (env->_tdelim) #define hyf (env->_hyf) #define hyoff (env->_hyoff) #define hyalg (env->_hyalg) #define hyalg1 (env->_hyalg1) #define thresh (env->_thresh) #define un1 (env->_un1) #define tabc (env->_tabc) #define dotc (env->_dotc) #define adsp (env->_adsp) #define adrem (env->_adrem) #define lastl (env->_lastl) #define nel (env->_nel) #define admod (env->_admod) #define wordp (env->_wordp) #define spflg (env->_spflg) #define linep (env->_linep) #define wdend (env->_wdend) #define wdstart (env->_wdstart) #define wne (env->_wne) #define ne (env->_ne) #define nc (env->_nc) #define nb (env->_nb) #define lnmod (env->_lnmod) #define nwd (env->_nwd) #define nn (env->_nn) #define ni (env->_ni) #define ul (env->_ul) #define cu (env->_cu) #define ce (env->_ce) #define in (env->_in) #define in1 (env->_in1) #define un (env->_un) #define wch (env->_wch) #define pendt (env->_pendt) #define pendw (env->_pendw) #define pendnf (env->_pendnf) #define spread (env->_spread) #define it (env->_it) #define itmac (env->_itmac) #define lnsize (env->_lnsize) #define hyptr (env->_hyptr) #define tabtab (env->_tabtab) #define line (env->_line) #define word (env->_word) /* * Note (jaap) * If this structure changes in ni.c, you should change * this as well */ struct env { int _ics; int _sps; int _spacesz; int _lss; int _lss1; int _ll; int _ll1; int _lt; int _lt1; tchar _ic; int _icf; tchar _chbits; tchar _spbits; tchar _nmbits; int _apts; int _apts1; int _pts; int _pts1; int _font; int _font1; int _ls; int _ls1; int _ad; int _nms; int _ndf; int _fi; int _cc; int _c2; int _ohc; int _tdelim; int _hyf; int _hyoff; int _hyalg; int _hyalg1; int _thresh; int _un1; int _tabc; int _dotc; int _adsp; int _adrem; int _lastl; int _nel; int _admod; tchar *_wordp; int _spflg; tchar *_linep; tchar *_wdend; tchar *_wdstart; int _wne; int _ne; int _nc; int _nb; int _lnmod; int _nwd; int _nn; int _ni; int _ul; int _cu; int _ce; int _in; int _in1; int _un; int _wch; int _pendt; tchar *_pendw; int _pendnf; int _spread; int _it; int _itmac; int _lnsize; tchar *_hyptr[NHYP]; int _tabtab[NTAB]; tchar _line[LNSIZE]; tchar _word[WDSIZE]; }; extern struct env *env; extern struct env env_array[]; /* * All changes will come after this comment (jaap) */ /* * hyphenation dependent stuff (jaap) */ #define THRESH 160 /*digram goodness threshold (from n8.c, (jaap))*/ #define DUTCH_THRESH 3 /* for recursive bestesplits (jaap) */ #define ORIGINAL 0 /* original (American) English) algorithm */ #define DUTCH 1 /* second hyphenation routine (bestesplits) */ #define MAXDIALECTS 1 /* number of hyphenation algorithms */ /* * define enough space for the fontcache. EXTRAFONT is maximum space * currently to be used by a font. The space for the fonttab is * for the "logical to physical font table mapping addition (jaap). */ #define MAXCHARS 255 /* current maximum of characters in a font */ #ifdef CWI #define EXTRAFONT (3*MAXCHARS * sizeof(char) + dev.nchtab + (128-32) \ * sizeof(char) + sizeof(struct Font) + 255 * sizeof(short)) #else #define EXTRAFONT (3*MAXCHARS * sizeof(char) + dev.nchtab + (128-32) \ * sizeof(char) + sizeof(struct Font)) #endif #include #define fdprintf fprintf #define flusho()