Annotation of mandoc/term.h, Revision 1.134
1.134 ! schwarze 1: /* $Id: term.h,v 1.133 2022/08/15 13:04:43 schwarze Exp $ */
1.1 kristaps 2: /*
1.134 ! schwarze 3: * Copyright (c) 2011-2015,2017,2019,2022 Ingo Schwarze <schwarze@openbsd.org>
1.87 schwarze 4: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.36 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.112 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.36 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.112 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.36 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
18:
1.28 kristaps 19: enum termenc {
1.84 kristaps 20: TERMENC_ASCII,
1.85 kristaps 21: TERMENC_LOCALE,
22: TERMENC_UTF8
1.28 kristaps 23: };
24:
1.58 kristaps 25: enum termtype {
26: TERMTYPE_CHAR,
1.75 kristaps 27: TERMTYPE_PS,
28: TERMTYPE_PDF
1.58 kristaps 29: };
30:
1.51 kristaps 31: enum termfont {
32: TERMFONT_NONE = 0,
33: TERMFONT_BOLD,
1.68 kristaps 34: TERMFONT_UNDER,
1.93 schwarze 35: TERMFONT_BI,
1.68 kristaps 36: TERMFONT__MAX
1.51 kristaps 37: };
1.53 kristaps 38:
1.130 schwarze 39: struct eqn_box;
1.112 schwarze 40: struct roff_meta;
1.119 schwarze 41: struct roff_node;
42: struct tbl_span;
1.107 schwarze 43: struct termp;
44:
1.112 schwarze 45: typedef void (*term_margin)(struct termp *, const struct roff_meta *);
1.58 kristaps 46:
1.78 kristaps 47: struct termp_tbl {
48: int width; /* width in fixed chars */
49: int decimal; /* decimal point position */
50: };
51:
1.125 schwarze 52: struct termp_col {
53: int *buf; /* Output buffer. */
54: size_t maxcols; /* Allocated bytes in buf. */
1.127 schwarze 55: size_t lastcol; /* Last byte in buf. */
1.126 schwarze 56: size_t col; /* Byte in buf to be written. */
1.125 schwarze 57: size_t rmargin; /* Current right margin. */
58: size_t offset; /* Current left margin. */
1.133 schwarze 59: size_t taboff; /* Offset for literal tabs. */
1.125 schwarze 60: };
61:
1.1 kristaps 62: struct termp {
1.125 schwarze 63: struct rofftbl tbl; /* Table configuration. */
64: struct termp_col *tcols; /* Array of table columns. */
65: struct termp_col *tcol; /* Current table column. */
66: size_t maxtcol; /* Allocated table columns. */
1.126 schwarze 67: size_t lasttcol; /* Last column currently used. */
1.115 schwarze 68: size_t line; /* Current output line number. */
1.89 schwarze 69: size_t defindent; /* Default indent for text. */
1.78 kristaps 70: size_t defrmargin; /* Right margin of the device. */
1.98 schwarze 71: size_t lastrmargin; /* Right margin before the last ll. */
1.27 kristaps 72: size_t maxrmargin; /* Max right margin. */
1.124 schwarze 73: size_t col; /* Byte position in buf. */
1.57 schwarze 74: size_t viscol; /* Chars on current line. */
1.126 schwarze 75: size_t trailspace; /* See term_flushln(). */
1.122 schwarze 76: size_t minbl; /* Minimum blanks before next field. */
1.125 schwarze 77: int synopsisonly; /* Print the synopsis only. */
78: int mdocstyle; /* Imitate mdoc(7) output. */
1.121 schwarze 79: int ti; /* Temporary indent for one line. */
1.91 schwarze 80: int skipvsp; /* Vertical space to skip. */
1.1 kristaps 81: int flags;
1.114 schwarze 82: #define TERMP_SENTENCE (1 << 0) /* Space before a sentence. */
83: #define TERMP_NOSPACE (1 << 1) /* No space before words. */
84: #define TERMP_NONOSPACE (1 << 2) /* No space (no autounset). */
85: #define TERMP_NBRWORD (1 << 3) /* Make next word nonbreaking. */
86: #define TERMP_KEEP (1 << 4) /* Keep words together. */
87: #define TERMP_PREKEEP (1 << 5) /* ...starting with the next one. */
88: #define TERMP_BACKAFTER (1 << 6) /* Back up after next character. */
89: #define TERMP_BACKBEFORE (1 << 7) /* Back up before next character. */
1.96 schwarze 90: #define TERMP_NOBREAK (1 << 8) /* See term_flushln(). */
1.116 schwarze 91: #define TERMP_BRTRSP (1 << 9) /* See term_flushln(). */
92: #define TERMP_BRIND (1 << 10) /* See term_flushln(). */
1.122 schwarze 93: #define TERMP_HANG (1 << 11) /* See term_flushln(). */
94: #define TERMP_NOPAD (1 << 12) /* See term_flushln(). */
1.116 schwarze 95: #define TERMP_NOSPLIT (1 << 13) /* Do not break line before .An. */
96: #define TERMP_SPLIT (1 << 14) /* Break line before .An. */
97: #define TERMP_NONEWLINE (1 << 15) /* No line break in nofill mode. */
1.123 schwarze 98: #define TERMP_BRNEVER (1 << 16) /* Don't even break at maxrmargin. */
99: #define TERMP_NOBUF (1 << 17) /* Bypass output buffer. */
100: #define TERMP_NEWMC (1 << 18) /* No .mc printed yet. */
101: #define TERMP_ENDMC (1 << 19) /* Next break ends .mc mode. */
1.127 schwarze 102: #define TERMP_MULTICOL (1 << 20) /* Multiple column mode. */
1.131 schwarze 103: #define TERMP_CENTER (1 << 21) /* Center output lines. */
104: #define TERMP_RIGHT (1 << 22) /* Adjust to the right margin. */
1.125 schwarze 105: enum termtype type; /* Terminal, PS, or PDF. */
1.28 kristaps 106: enum termenc enc; /* Type of encoding. */
1.51 kristaps 107: enum termfont fontl; /* Last font set. */
1.109 schwarze 108: enum termfont *fontq; /* Symmetric fonts. */
109: int fontsz; /* Allocated size of font stack */
1.51 kristaps 110: int fonti; /* Index of font stack. */
1.58 kristaps 111: term_margin headf; /* invoked to print head */
112: term_margin footf; /* invoked to print foot */
1.81 kristaps 113: void (*letter)(struct termp *, int);
1.60 kristaps 114: void (*begin)(struct termp *);
115: void (*end)(struct termp *);
116: void (*endline)(struct termp *);
117: void (*advance)(struct termp *, size_t);
1.113 schwarze 118: void (*setwidth)(struct termp *, int, int);
1.81 kristaps 119: size_t (*width)(const struct termp *, int);
1.113 schwarze 120: int (*hspan)(const struct termp *,
1.70 kristaps 121: const struct roffsu *);
1.58 kristaps 122: const void *argf; /* arg for headf/footf */
1.123 schwarze 123: const char *mc; /* Margin character. */
1.83 kristaps 124: struct termp_ps *ps;
1.1 kristaps 125: };
1.107 schwarze 126:
127:
1.119 schwarze 128: const char *ascii_uc2str(int);
1.104 schwarze 129:
1.119 schwarze 130: void roff_term_pre(struct termp *, const struct roff_node *);
1.1 kristaps 131:
1.130 schwarze 132: void term_eqn(struct termp *, const struct eqn_box *);
1.77 kristaps 133: void term_tbl(struct termp *, const struct tbl_span *);
1.59 kristaps 134: void term_free(struct termp *);
1.127 schwarze 135: void term_setcol(struct termp *, size_t);
1.29 kristaps 136: void term_newln(struct termp *);
137: void term_vspace(struct termp *);
138: void term_word(struct termp *, const char *);
139: void term_flushln(struct termp *);
1.101 schwarze 140: void term_begin(struct termp *, term_margin,
1.112 schwarze 141: term_margin, const struct roff_meta *);
1.58 kristaps 142: void term_end(struct termp *);
1.1 kristaps 143:
1.99 schwarze 144: void term_setwidth(struct termp *, const char *);
1.110 schwarze 145: int term_hspan(const struct termp *, const struct roffsu *);
1.128 schwarze 146: int term_hen(const struct termp *, const struct roffsu *);
1.110 schwarze 147: int term_vspan(const struct termp *, const struct roffsu *);
1.65 kristaps 148: size_t term_strlen(const struct termp *, const char *);
149: size_t term_len(const struct termp *, size_t);
1.120 schwarze 150:
151: void term_tab_set(const struct termp *, const char *);
1.129 schwarze 152: void term_tab_iset(size_t);
1.134 ! schwarze 153: void term_tab_ref(struct termp *);
1.120 schwarze 154: size_t term_tab_next(size_t);
1.132 schwarze 155: void term_tab_free(void);
1.48 kristaps 156:
1.51 kristaps 157: void term_fontpush(struct termp *, enum termfont);
158: void term_fontpop(struct termp *);
1.111 schwarze 159: void term_fontpopq(struct termp *, int);
1.51 kristaps 160: void term_fontrepl(struct termp *, enum termfont);
161: void term_fontlast(struct termp *);
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