136 lines
4.9 KiB
C
136 lines
4.9 KiB
C
/* $Id: term.h,v 1.111 2015/01/31 00:12:41 schwarze Exp $ */
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/*
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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enum termenc {
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TERMENC_ASCII,
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TERMENC_LOCALE,
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TERMENC_UTF8
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};
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enum termtype {
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TERMTYPE_CHAR,
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TERMTYPE_PS,
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TERMTYPE_PDF
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};
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enum termfont {
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TERMFONT_NONE = 0,
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TERMFONT_BOLD,
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TERMFONT_UNDER,
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TERMFONT_BI,
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TERMFONT__MAX
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};
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#define TERM_MAXMARGIN 100000 /* FIXME */
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struct termp;
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typedef void (*term_margin)(struct termp *, const void *);
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struct termp_tbl {
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int width; /* width in fixed chars */
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int decimal; /* decimal point position */
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};
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struct termp {
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enum termtype type;
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struct rofftbl tbl; /* table configuration */
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int synopsisonly; /* print the synopsis only */
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int mdocstyle; /* imitate mdoc(7) output */
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size_t defindent; /* Default indent for text. */
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size_t defrmargin; /* Right margin of the device. */
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size_t lastrmargin; /* Right margin before the last ll. */
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size_t rmargin; /* Current right margin. */
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size_t maxrmargin; /* Max right margin. */
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size_t maxcols; /* Max size of buf. */
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size_t offset; /* Margin offest. */
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size_t tabwidth; /* Distance of tab positions. */
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size_t col; /* Bytes in buf. */
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size_t viscol; /* Chars on current line. */
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size_t trailspace; /* See termp_flushln(). */
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int overstep; /* See termp_flushln(). */
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int skipvsp; /* Vertical space to skip. */
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int flags;
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#define TERMP_SENTENCE (1 << 1) /* Space before a sentence. */
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#define TERMP_NOSPACE (1 << 2) /* No space before words. */
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#define TERMP_NONOSPACE (1 << 3) /* No space (no autounset). */
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#define TERMP_NBRWORD (1 << 4) /* Make next word nonbreaking. */
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#define TERMP_KEEP (1 << 5) /* Keep words together. */
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#define TERMP_PREKEEP (1 << 6) /* ...starting with the next one. */
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#define TERMP_SKIPCHAR (1 << 7) /* Skip the next character. */
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#define TERMP_NOBREAK (1 << 8) /* See term_flushln(). */
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#define TERMP_BRIND (1 << 9) /* See term_flushln(). */
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#define TERMP_DANGLE (1 << 10) /* See term_flushln(). */
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#define TERMP_HANG (1 << 11) /* See term_flushln(). */
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#define TERMP_NOSPLIT (1 << 12) /* Do not break line before .An. */
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#define TERMP_SPLIT (1 << 13) /* Break line before .An. */
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#define TERMP_NONEWLINE (1 << 14) /* No line break in nofill mode. */
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int *buf; /* Output buffer. */
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enum termenc enc; /* Type of encoding. */
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const struct mchars *symtab; /* Character table. */
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enum termfont fontl; /* Last font set. */
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enum termfont *fontq; /* Symmetric fonts. */
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int fontsz; /* Allocated size of font stack */
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int fonti; /* Index of font stack. */
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term_margin headf; /* invoked to print head */
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term_margin footf; /* invoked to print foot */
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void (*letter)(struct termp *, int);
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void (*begin)(struct termp *);
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void (*end)(struct termp *);
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void (*endline)(struct termp *);
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void (*advance)(struct termp *, size_t);
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void (*setwidth)(struct termp *, int, size_t);
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size_t (*width)(const struct termp *, int);
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double (*hspan)(const struct termp *,
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const struct roffsu *);
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const void *argf; /* arg for headf/footf */
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struct termp_ps *ps;
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};
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__BEGIN_DECLS
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struct tbl_span;
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struct eqn;
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const char *ascii_uc2str(int);
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void term_eqn(struct termp *, const struct eqn *);
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void term_tbl(struct termp *, const struct tbl_span *);
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void term_free(struct termp *);
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void term_newln(struct termp *);
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void term_vspace(struct termp *);
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void term_word(struct termp *, const char *);
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void term_flushln(struct termp *);
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void term_begin(struct termp *, term_margin,
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term_margin, const void *);
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void term_end(struct termp *);
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void term_setwidth(struct termp *, const char *);
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int term_hspan(const struct termp *, const struct roffsu *);
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int term_vspan(const struct termp *, const struct roffsu *);
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size_t term_strlen(const struct termp *, const char *);
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size_t term_len(const struct termp *, size_t);
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void term_fontpush(struct termp *, enum termfont);
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void term_fontpop(struct termp *);
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void term_fontpopq(struct termp *, int);
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void term_fontrepl(struct termp *, enum termfont);
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void term_fontlast(struct termp *);
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__END_DECLS
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