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Diffstat (limited to 'usr.bin/mandoc/term.h')
| -rw-r--r-- | usr.bin/mandoc/term.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/usr.bin/mandoc/term.h b/usr.bin/mandoc/term.h new file mode 100644 index 0000000..525aa3f --- /dev/null +++ b/usr.bin/mandoc/term.h @@ -0,0 +1,158 @@ +/* $OpenBSD: term.h,v 1.75 2019/01/04 03:20:44 schwarze Exp $ */ +/* + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> + * Copyright (c) 2011-2015, 2017, 2019 Ingo Schwarze <schwarze@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +enum termenc { + TERMENC_ASCII, + TERMENC_LOCALE, + TERMENC_UTF8 +}; + +enum termtype { + TERMTYPE_CHAR, + TERMTYPE_PS, + TERMTYPE_PDF +}; + +enum termfont { + TERMFONT_NONE = 0, + TERMFONT_BOLD, + TERMFONT_UNDER, + TERMFONT_BI, + TERMFONT__MAX +}; + +struct eqn_box; +struct roff_meta; +struct roff_node; +struct tbl_span; +struct termp; + +typedef void (*term_margin)(struct termp *, const struct roff_meta *); + +struct termp_tbl { + int width; /* width in fixed chars */ + int decimal; /* decimal point position */ +}; + +struct termp_col { + int *buf; /* Output buffer. */ + size_t maxcols; /* Allocated bytes in buf. */ + size_t lastcol; /* Last byte in buf. */ + size_t col; /* Byte in buf to be written. */ + size_t rmargin; /* Current right margin. */ + size_t offset; /* Current left margin. */ +}; + +struct termp { + struct rofftbl tbl; /* Table configuration. */ + struct termp_col *tcols; /* Array of table columns. */ + struct termp_col *tcol; /* Current table column. */ + size_t maxtcol; /* Allocated table columns. */ + size_t lasttcol; /* Last column currently used. */ + size_t line; /* Current output line number. */ + size_t defindent; /* Default indent for text. */ + size_t defrmargin; /* Right margin of the device. */ + size_t lastrmargin; /* Right margin before the last ll. */ + size_t maxrmargin; /* Max right margin. */ + size_t col; /* Byte position in buf. */ + size_t viscol; /* Chars on current line. */ + size_t trailspace; /* See term_flushln(). */ + size_t minbl; /* Minimum blanks before next field. */ + int synopsisonly; /* Print the synopsis only. */ + int mdocstyle; /* Imitate mdoc(7) output. */ + int ti; /* Temporary indent for one line. */ + int skipvsp; /* Vertical space to skip. */ + int flags; +#define TERMP_SENTENCE (1 << 0) /* Space before a sentence. */ +#define TERMP_NOSPACE (1 << 1) /* No space before words. */ +#define TERMP_NONOSPACE (1 << 2) /* No space (no autounset). */ +#define TERMP_NBRWORD (1 << 3) /* Make next word nonbreaking. */ +#define TERMP_KEEP (1 << 4) /* Keep words together. */ +#define TERMP_PREKEEP (1 << 5) /* ...starting with the next one. */ +#define TERMP_BACKAFTER (1 << 6) /* Back up after next character. */ +#define TERMP_BACKBEFORE (1 << 7) /* Back up before next character. */ +#define TERMP_NOBREAK (1 << 8) /* See term_flushln(). */ +#define TERMP_BRTRSP (1 << 9) /* See term_flushln(). */ +#define TERMP_BRIND (1 << 10) /* See term_flushln(). */ +#define TERMP_HANG (1 << 11) /* See term_flushln(). */ +#define TERMP_NOPAD (1 << 12) /* See term_flushln(). */ +#define TERMP_NOSPLIT (1 << 13) /* Do not break line before .An. */ +#define TERMP_SPLIT (1 << 14) /* Break line before .An. */ +#define TERMP_NONEWLINE (1 << 15) /* No line break in nofill mode. */ +#define TERMP_BRNEVER (1 << 16) /* Don't even break at maxrmargin. */ +#define TERMP_NOBUF (1 << 17) /* Bypass output buffer. */ +#define TERMP_NEWMC (1 << 18) /* No .mc printed yet. */ +#define TERMP_ENDMC (1 << 19) /* Next break ends .mc mode. */ +#define TERMP_MULTICOL (1 << 20) /* Multiple column mode. */ +#define TERMP_CENTER (1 << 21) /* Center output lines. */ +#define TERMP_RIGHT (1 << 22) /* Adjust to the right margin. */ + enum termtype type; /* Terminal, PS, or PDF. */ + enum termenc enc; /* Type of encoding. */ + enum termfont fontl; /* Last font set. */ + enum termfont *fontq; /* Symmetric fonts. */ + int fontsz; /* Allocated size of font stack */ + int fonti; /* Index of font stack. */ + term_margin headf; /* invoked to print head */ + term_margin footf; /* invoked to print foot */ + void (*letter)(struct termp *, int); + void (*begin)(struct termp *); + void (*end)(struct termp *); + void (*endline)(struct termp *); + void (*advance)(struct termp *, size_t); + void (*setwidth)(struct termp *, int, int); + size_t (*width)(const struct termp *, int); + int (*hspan)(const struct termp *, + const struct roffsu *); + const void *argf; /* arg for headf/footf */ + const char *mc; /* Margin character. */ + struct termp_ps *ps; +}; + + +const char *ascii_uc2str(int); + +void roff_term_pre(struct termp *, const struct roff_node *); + +void term_eqn(struct termp *, const struct eqn_box *); +void term_tbl(struct termp *, const struct tbl_span *); +void term_free(struct termp *); +void term_setcol(struct termp *, size_t); +void term_newln(struct termp *); +void term_vspace(struct termp *); +void term_word(struct termp *, const char *); +void term_flushln(struct termp *); +void term_begin(struct termp *, term_margin, + term_margin, const struct roff_meta *); +void term_end(struct termp *); + +void term_setwidth(struct termp *, const char *); +int term_hspan(const struct termp *, const struct roffsu *); +int term_hen(const struct termp *, const struct roffsu *); +int term_vspan(const struct termp *, const struct roffsu *); +size_t term_strlen(const struct termp *, const char *); +size_t term_len(const struct termp *, size_t); + +void term_tab_set(const struct termp *, const char *); +void term_tab_iset(size_t); +size_t term_tab_next(size_t); + +void term_fontpush(struct termp *, enum termfont); +void term_fontpop(struct termp *); +void term_fontpopq(struct termp *, int); +void term_fontrepl(struct termp *, enum termfont); +void term_fontlast(struct termp *); 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