1 /* $Id: term.h,v 1.18 2010/05/14 19:52:43 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 #ifndef TERM_H 18 #define TERM_H 19 20 __BEGIN_DECLS 21 22 enum termenc { 23 TERMENC_ASCII 24 }; 25 26 enum termfont { 27 TERMFONT_NONE = 0, 28 TERMFONT_BOLD, 29 TERMFONT_UNDER 30 }; 31 32 #define TERM_MAXMARGIN 100000 /* FIXME */ 33 34 struct termp { 35 size_t rmargin; /* Current right margin. */ 36 size_t maxrmargin; /* Max right margin. */ 37 size_t maxcols; /* Max size of buf. */ 38 size_t offset; /* Margin offest. */ 39 size_t tabwidth; /* Distance of tab positions. */ 40 size_t col; /* Bytes in buf. */ 41 size_t viscol; /* Chars on current line. */ 42 int overstep; /* See termp_flushln(). */ 43 int flags; 44 #define TERMP_SENTENCE (1 << 1) /* Space before a sentence. */ 45 #define TERMP_NOSPACE (1 << 2) /* No space before words. */ 46 #define TERMP_NOLPAD (1 << 3) /* See term_flushln(). */ 47 #define TERMP_NOBREAK (1 << 4) /* See term_flushln(). */ 48 #define TERMP_IGNDELIM (1 << 6) /* Delims like regulars. */ 49 #define TERMP_NONOSPACE (1 << 7) /* No space (no autounset). */ 50 #define TERMP_DANGLE (1 << 8) /* See term_flushln(). */ 51 #define TERMP_HANG (1 << 9) /* See term_flushln(). */ 52 #define TERMP_TWOSPACE (1 << 10) /* See term_flushln(). */ 53 #define TERMP_NOSPLIT (1 << 11) /* See termp_an_pre/post(). */ 54 #define TERMP_SPLIT (1 << 12) /* See termp_an_pre/post(). */ 55 #define TERMP_ANPREC (1 << 13) /* See termp_an_pre(). */ 56 char *buf; /* Output buffer. */ 57 enum termenc enc; /* Type of encoding. */ 58 void *symtab; /* Encoded-symbol table. */ 59 enum termfont fontl; /* Last font set. */ 60 enum termfont fontq[10]; /* Symmetric fonts. */ 61 int fonti; /* Index of font stack. */ 62 }; 63 64 void term_newln(struct termp *); 65 void term_vspace(struct termp *); 66 void term_word(struct termp *, const char *); 67 void term_flushln(struct termp *); 68 69 size_t term_hspan(const struct roffsu *); 70 size_t term_vspan(const struct roffsu *); 71 72 enum termfont term_fonttop(struct termp *); 73 const void *term_fontq(struct termp *); 74 void term_fontpush(struct termp *, enum termfont); 75 void term_fontpop(struct termp *); 76 void term_fontpopq(struct termp *, const void *); 77 void term_fontrepl(struct termp *, enum termfont); 78 void term_fontlast(struct termp *); 79 80 __END_DECLS 81 82 #endif /*!TERM_H*/ 83