| | 1 | /* $Id: term.h,v 1.131 2019/01/04 03:21:02 schwarze Exp $ */ |
| | 2 | /* |
| | 3 | * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
| | 4 | * Copyright (c) 2011-2015, 2017, 2019 Ingo Schwarze <schwarze@openbsd.org> |
| | 5 | * |
| | 6 | * Permission to use, copy, modify, and distribute this software for any |
| | 7 | * purpose with or without fee is hereby granted, provided that the above |
| | 8 | * copyright notice and this permission notice appear in all copies. |
| | 9 | * |
| | 10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
| | 11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| | 12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
| | 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. |
| | 17 | */ |
| | 18 | |
| | 19 | enum termenc { |
| | 20 | TERMENC_ASCII, |
| | 21 | TERMENC_LOCALE, |
| | 22 | TERMENC_UTF8 |
| | 23 | }; |
| | 24 | |
| | 25 | enum termtype { |
| | 26 | TERMTYPE_CHAR, |
| | 27 | TERMTYPE_PS, |
| | 28 | TERMTYPE_PDF |
| | 29 | }; |
| | 30 | |
| | 31 | enum termfont { |
| | 32 | TERMFONT_NONE = 0, |
| | 33 | TERMFONT_BOLD, |
| | 34 | TERMFONT_UNDER, |
| | 35 | TERMFONT_BI, |
| | 36 | TERMFONT__MAX |
| | 37 | }; |
| | 38 | |
| | 39 | struct eqn_box; |
| | 40 | struct roff_meta; |
| | 41 | struct roff_node; |
| | 42 | struct tbl_span; |
| | 43 | struct termp; |
| | 44 | |
| | 45 | typedef void (*term_margin)(struct termp *, const struct roff_meta *); |
| | 46 | |
| | 47 | struct termp_tbl { |
| | 48 | int width; /* width in fixed chars */ |
| | 49 | int decimal; /* decimal point position */ |
| | 50 | }; |
| | 51 | |
| | 52 | struct termp_col { |
| | 53 | int *buf; /* Output buffer. */ |
| | 54 | size_t maxcols; /* Allocated bytes in buf. */ |
| | 55 | size_t lastcol; /* Last byte in buf. */ |
| | 56 | size_t col; /* Byte in buf to be written. */ |
| | 57 | size_t rmargin; /* Current right margin. */ |
| | 58 | size_t offset; /* Current left margin. */ |
| | 59 | }; |
| | 60 | |
| | 61 | struct termp { |
| | 62 | struct rofftbl tbl; /* Table configuration. */ |
| | 63 | struct termp_col *tcols; /* Array of table columns. */ |
| | 64 | struct termp_col *tcol; /* Current table column. */ |
| | 65 | size_t maxtcol; /* Allocated table columns. */ |
| | 66 | size_t lasttcol; /* Last column currently used. */ |
| | 67 | size_t line; /* Current output line number. */ |
| | 68 | size_t defindent; /* Default indent for text. */ |
| | 69 | size_t defrmargin; /* Right margin of the device. */ |
| | 70 | size_t lastrmargin; /* Right margin before the last ll. */ |
| | 71 | size_t maxrmargin; /* Max right margin. */ |
| | 72 | size_t col; /* Byte position in buf. */ |
| | 73 | size_t viscol; /* Chars on current line. */ |
| | 74 | size_t trailspace; /* See term_flushln(). */ |
| | 75 | size_t minbl; /* Minimum blanks before next field. */ |
| | 76 | int synopsisonly; /* Print the synopsis only. */ |
| | 77 | int mdocstyle; /* Imitate mdoc(7) output. */ |
| | 78 | int ti; /* Temporary indent for one line. */ |
| | 79 | int skipvsp; /* Vertical space to skip. */ |
| | 80 | int flags; |
| | 81 | #define TERMP_SENTENCE (1 << 0) /* Space before a sentence. */ |
| | 82 | #define TERMP_NOSPACE (1 << 1) /* No space before words. */ |
| | 83 | #define TERMP_NONOSPACE (1 << 2) /* No space (no autounset). */ |
| | 84 | #define TERMP_NBRWORD (1 << 3) /* Make next word nonbreaking. */ |
| | 85 | #define TERMP_KEEP (1 << 4) /* Keep words together. */ |
| | 86 | #define TERMP_PREKEEP (1 << 5) /* ...starting with the next one. */ |
| | 87 | #define TERMP_BACKAFTER (1 << 6) /* Back up after next character. */ |
| | 88 | #define TERMP_BACKBEFORE (1 << 7) /* Back up before next character. */ |
| | 89 | #define TERMP_NOBREAK (1 << 8) /* See term_flushln(). */ |
| | 90 | #define TERMP_BRTRSP (1 << 9) /* See term_flushln(). */ |
| | 91 | #define TERMP_BRIND (1 << 10) /* See term_flushln(). */ |
| | 92 | #define TERMP_HANG (1 << 11) /* See term_flushln(). */ |
| | 93 | #define TERMP_NOPAD (1 << 12) /* See term_flushln(). */ |
| | 94 | #define TERMP_NOSPLIT (1 << 13) /* Do not break line before .An. */ |
| | 95 | #define TERMP_SPLIT (1 << 14) /* Break line before .An. */ |
| | 96 | #define TERMP_NONEWLINE (1 << 15) /* No line break in nofill mode. */ |
| | 97 | #define TERMP_BRNEVER (1 << 16) /* Don't even break at maxrmargin. */ |
| | 98 | #define TERMP_NOBUF (1 << 17) /* Bypass output buffer. */ |
| | 99 | #define TERMP_NEWMC (1 << 18) /* No .mc printed yet. */ |
| | 100 | #define TERMP_ENDMC (1 << 19) /* Next break ends .mc mode. */ |
| | 101 | #define TERMP_MULTICOL (1 << 20) /* Multiple column mode. */ |
| | 102 | #define TERMP_CENTER (1 << 21) /* Center output lines. */ |
| | 103 | #define TERMP_RIGHT (1 << 22) /* Adjust to the right margin. */ |
| | 104 | enum termtype type; /* Terminal, PS, or PDF. */ |
| | 105 | enum termenc enc; /* Type of encoding. */ |
| | 106 | enum termfont fontl; /* Last font set. */ |
| | 107 | enum termfont *fontq; /* Symmetric fonts. */ |
| | 108 | int fontsz; /* Allocated size of font stack */ |
| | 109 | int fonti; /* Index of font stack. */ |
| | 110 | term_margin headf; /* invoked to print head */ |
| | 111 | term_margin footf; /* invoked to print foot */ |
| | 112 | void (*letter)(struct termp *, int); |
| | 113 | void (*begin)(struct termp *); |
| | 114 | void (*end)(struct termp *); |
| | 115 | void (*endline)(struct termp *); |
| | 116 | void (*advance)(struct termp *, size_t); |
| | 117 | void (*setwidth)(struct termp *, int, int); |
| | 118 | size_t (*width)(const struct termp *, int); |
| | 119 | int (*hspan)(const struct termp *, |
| | 120 | const struct roffsu *); |
| | 121 | const void *argf; /* arg for headf/footf */ |
| | 122 | const char *mc; /* Margin character. */ |
| | 123 | struct termp_ps *ps; |
| | 124 | }; |
| | 125 | |
| | 126 | |
| | 127 | const char *ascii_uc2str(int); |
| | 128 | |
| | 129 | void roff_term_pre(struct termp *, const struct roff_node *); |
| | 130 | |
| | 131 | void term_eqn(struct termp *, const struct eqn_box *); |
| | 132 | void term_tbl(struct termp *, const struct tbl_span *); |
| | 133 | void term_free(struct termp *); |
| | 134 | void term_setcol(struct termp *, size_t); |
| | 135 | void term_newln(struct termp *); |
| | 136 | void term_vspace(struct termp *); |
| | 137 | void term_word(struct termp *, const char *); |
| | 138 | void term_flushln(struct termp *); |
| | 139 | void term_begin(struct termp *, term_margin, |
| | 140 | term_margin, const struct roff_meta *); |
| | 141 | void term_end(struct termp *); |
| | 142 | |
| | 143 | void term_setwidth(struct termp *, const char *); |
| | 144 | int term_hspan(const struct termp *, const struct roffsu *); |
| | 145 | int term_hen(const struct termp *, const struct roffsu *); |
| | 146 | int term_vspan(const struct termp *, const struct roffsu *); |
| | 147 | size_t term_strlen(const struct termp *, const char *); |
| | 148 | size_t term_len(const struct termp *, size_t); |
| | 149 | |
| | 150 | void term_tab_set(const struct termp *, const char *); |
| | 151 | void term_tab_iset(size_t); |
| | 152 | size_t term_tab_next(size_t); |
| | 153 | |
| | 154 | void term_fontpush(struct termp *, enum termfont); |
| | 155 | void term_fontpop(struct termp *); |
| | 156 | void term_fontpopq(struct termp *, int); |
| | 157 | void term_fontrepl(struct termp *, enum termfont); |
| | 158 | void term_fontlast(struct termp *); |
projects / dragonfly.git / blame_incremental