Annotation of src/usr.bin/mandoc/term.h, Revision 1.20
1.20 ! schwarze 1: /* $Id: term.h,v 1.19 2010/05/15 21:09:53 schwarze Exp $ */
1.1 kristaps 2: /*
1.2 schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.2 schwarze 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.
1.1 kristaps 16: */
17: #ifndef TERM_H
18: #define TERM_H
19:
20: __BEGIN_DECLS
21:
1.20 ! schwarze 22: struct termp;
! 23:
1.1 kristaps 24: enum termenc {
1.11 schwarze 25: TERMENC_ASCII
1.1 kristaps 26: };
27:
1.20 ! schwarze 28: enum termtype {
! 29: TERMTYPE_CHAR,
! 30: TERMTYPE_PS
! 31: };
! 32:
1.13 schwarze 33: enum termfont {
34: TERMFONT_NONE = 0,
35: TERMFONT_BOLD,
36: TERMFONT_UNDER
37: };
1.17 schwarze 38:
39: #define TERM_MAXMARGIN 100000 /* FIXME */
1.13 schwarze 40:
1.20 ! schwarze 41: typedef void (*term_margin)(struct termp *, const void *);
! 42:
! 43: struct termp_ps {
! 44: int psstate; /* state of ps output */
! 45: #define PS_INLINE (1 << 0) /* we're in a word */
! 46: #define PS_MARGINS (1 << 1) /* we're in the margins */
! 47: size_t pscol; /* visible column */
! 48: size_t psrow; /* visible row */
! 49: char *psmarg; /* margin buf */
! 50: size_t psmargsz; /* margin buf size */
! 51: size_t psmargcur; /* current pos in margin buf */
! 52: size_t pspage; /* current page */
! 53: };
! 54:
1.1 kristaps 55: struct termp {
1.20 ! schwarze 56: enum termtype type;
1.19 schwarze 57: size_t defrmargin; /* Right margin of the device.. */
1.1 kristaps 58: size_t rmargin; /* Current right margin. */
59: size_t maxrmargin; /* Max right margin. */
60: size_t maxcols; /* Max size of buf. */
61: size_t offset; /* Margin offest. */
1.16 schwarze 62: size_t tabwidth; /* Distance of tab positions. */
1.1 kristaps 63: size_t col; /* Bytes in buf. */
1.15 schwarze 64: size_t viscol; /* Chars on current line. */
1.14 schwarze 65: int overstep; /* See termp_flushln(). */
1.1 kristaps 66: int flags;
1.18 schwarze 67: #define TERMP_SENTENCE (1 << 1) /* Space before a sentence. */
1.4 schwarze 68: #define TERMP_NOSPACE (1 << 2) /* No space before words. */
1.5 schwarze 69: #define TERMP_NOLPAD (1 << 3) /* See term_flushln(). */
70: #define TERMP_NOBREAK (1 << 4) /* See term_flushln(). */
1.4 schwarze 71: #define TERMP_IGNDELIM (1 << 6) /* Delims like regulars. */
72: #define TERMP_NONOSPACE (1 << 7) /* No space (no autounset). */
1.5 schwarze 73: #define TERMP_DANGLE (1 << 8) /* See term_flushln(). */
74: #define TERMP_HANG (1 << 9) /* See term_flushln(). */
1.6 schwarze 75: #define TERMP_TWOSPACE (1 << 10) /* See term_flushln(). */
1.7 schwarze 76: #define TERMP_NOSPLIT (1 << 11) /* See termp_an_pre/post(). */
77: #define TERMP_SPLIT (1 << 12) /* See termp_an_pre/post(). */
78: #define TERMP_ANPREC (1 << 13) /* See termp_an_pre(). */
1.1 kristaps 79: char *buf; /* Output buffer. */
80: enum termenc enc; /* Type of encoding. */
81: void *symtab; /* Encoded-symbol table. */
1.13 schwarze 82: enum termfont fontl; /* Last font set. */
83: enum termfont fontq[10]; /* Symmetric fonts. */
84: int fonti; /* Index of font stack. */
1.20 ! schwarze 85: term_margin headf; /* invoked to print head */
! 86: term_margin footf; /* invoked to print foot */
! 87: void (*letter)(struct termp *, char);
! 88: void (*begin)(struct termp *);
! 89: void (*end)(struct termp *);
! 90: void (*endline)(struct termp *);
! 91: void (*advance)(struct termp *, size_t);
! 92: const void *argf; /* arg for headf/footf */
! 93: union {
! 94: struct termp_ps ps;
! 95: } engine;
1.1 kristaps 96: };
97:
1.20 ! schwarze 98: struct termp *term_alloc(enum termenc);
! 99: void term_free(struct termp *);
1.1 kristaps 100: void term_newln(struct termp *);
101: void term_vspace(struct termp *);
102: void term_word(struct termp *, const char *);
103: void term_flushln(struct termp *);
1.20 ! schwarze 104: void term_begin(struct termp *, term_margin,
! 105: term_margin, const void *);
! 106: void term_end(struct termp *);
1.12 schwarze 107:
108: size_t term_hspan(const struct roffsu *);
109: size_t term_vspan(const struct roffsu *);
1.13 schwarze 110:
111: enum termfont term_fonttop(struct termp *);
112: const void *term_fontq(struct termp *);
113: void term_fontpush(struct termp *, enum termfont);
114: void term_fontpop(struct termp *);
115: void term_fontpopq(struct termp *, const void *);
116: void term_fontrepl(struct termp *, enum termfont);
117: void term_fontlast(struct termp *);
1.1 kristaps 118:
119: __END_DECLS
120:
121: #endif /*!TERM_H*/
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