version 1.26, 2009/03/17 13:35:46 |
version 1.62, 2010/06/11 07:23:04 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
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* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
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*/ |
*/ |
#ifndef TERM_H |
#ifndef TERM_H |
#define TERM_H |
#define TERM_H |
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#include "mdoc.h" |
__BEGIN_DECLS |
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/* XXX - clean up tabs. */ |
struct termp; |
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#define INDENT 6 |
enum termenc { |
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TERMENC_ASCII |
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}; |
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__BEGIN_DECLS |
enum termtype { |
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TERMTYPE_CHAR, |
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TERMTYPE_PS |
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}; |
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struct termp { |
enum termfont { |
size_t rmargin; |
TERMFONT_NONE = 0, |
size_t maxrmargin; |
TERMFONT_BOLD, |
size_t maxcols; |
TERMFONT_UNDER |
size_t offset; |
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size_t col; |
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int iflags; |
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#define TERMP_NOPUNT (1 << 0) |
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int flags; |
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#define TERMP_NOSPACE (1 << 0) /* No space before words. */ |
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#define TERMP_NOLPAD (1 << 1) /* No leftpad before flush. */ |
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#define TERMP_NOBREAK (1 << 2) /* No break after flush. */ |
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#define TERMP_LITERAL (1 << 3) /* Literal words. */ |
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#define TERMP_IGNDELIM (1 << 4) /* Delims like regulars. */ |
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#define TERMP_NONOSPACE (1 << 5) /* No space (no autounset). */ |
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#define TERMP_NONOBREAK (1 << 7) /* Don't newln NOBREAK. */ |
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#define TERMP_STYLE 0x0300 /* Style mask. */ |
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#define TERMP_BOLD (1 << 8) /* Styles... */ |
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#define TERMP_UNDER (1 << 9) |
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char *buf; |
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void *symtab; |
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}; |
}; |
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/* XXX - clean this up. */ |
#define TERM_MAXMARGIN 100000 /* FIXME */ |
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struct termpair { |
typedef void (*term_margin)(struct termp *, const void *); |
struct termpair *ppair; |
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int type; |
struct termp_ps { |
#define TERMPAIR_FLAG (1 << 0) |
int psstate; /* state of ps output */ |
int flag; |
#define PS_INLINE (1 << 0) /* we're in a word */ |
size_t offset; |
#define PS_MARGINS (1 << 1) /* we're in the margins */ |
size_t rmargin; |
size_t pscol; /* visible column */ |
int count; |
size_t psrow; /* visible row */ |
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char *psmarg; /* margin buf */ |
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size_t psmargsz; /* margin buf size */ |
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size_t psmargcur; /* current pos in margin buf */ |
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size_t pspage; /* current page */ |
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char last; /* character buffer */ |
}; |
}; |
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#define TERMPAIR_SETFLAG(termp, p, fl) \ |
struct termp { |
do { \ |
enum termtype type; |
assert(! (TERMPAIR_FLAG & (p)->type)); \ |
size_t defrmargin; /* Right margin of the device.. */ |
(termp)->flags |= (fl); \ |
size_t rmargin; /* Current right margin. */ |
(p)->flag = (fl); \ |
size_t maxrmargin; /* Max right margin. */ |
(p)->type |= TERMPAIR_FLAG; \ |
size_t maxcols; /* Max size of buf. */ |
} while (0) |
size_t offset; /* Margin offest. */ |
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size_t tabwidth; /* Distance of tab positions. */ |
struct termact { |
size_t col; /* Bytes in buf. */ |
int (*pre)(struct termp *, struct termpair *, |
size_t viscol; /* Chars on current line. */ |
const struct mdoc_meta *, |
int overstep; /* See termp_flushln(). */ |
const struct mdoc_node *); |
int flags; |
void (*post)(struct termp *, struct termpair *, |
#define TERMP_SENTENCE (1 << 1) /* Space before a sentence. */ |
const struct mdoc_meta *, |
#define TERMP_NOSPACE (1 << 2) /* No space before words. */ |
const struct mdoc_node *); |
#define TERMP_NOLPAD (1 << 3) /* See term_flushln(). */ |
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#define TERMP_NOBREAK (1 << 4) /* See term_flushln(). */ |
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#define TERMP_IGNDELIM (1 << 6) /* Delims like regulars. */ |
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#define TERMP_NONOSPACE (1 << 7) /* No space (no autounset). */ |
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#define TERMP_DANGLE (1 << 8) /* See term_flushln(). */ |
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#define TERMP_HANG (1 << 9) /* See term_flushln(). */ |
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#define TERMP_TWOSPACE (1 << 10) /* See term_flushln(). */ |
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#define TERMP_NOSPLIT (1 << 11) /* See termp_an_pre/post(). */ |
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#define TERMP_SPLIT (1 << 12) /* See termp_an_pre/post(). */ |
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#define TERMP_ANPREC (1 << 13) /* See termp_an_pre(). */ |
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char *buf; /* Output buffer. */ |
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enum termenc enc; /* Type of encoding. */ |
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void *symtab; /* Encoded-symbol table. */ |
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enum termfont fontl; /* Last font set. */ |
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enum termfont fontq[10]; /* Symmetric fonts. */ |
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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 *, char); |
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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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const void *argf; /* arg for headf/footf */ |
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union { |
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struct termp_ps ps; |
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} engine; |
}; |
}; |
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void *ascii2htab(void); |
struct termp *term_alloc(enum termenc); |
const char *a2ascii(void *, const char *, size_t, size_t *); |
void term_free(struct termp *); |
void asciifree(void *); |
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 newln(struct termp *); |
size_t term_hspan(const struct roffsu *); |
void vspace(struct termp *); |
size_t term_vspan(const struct roffsu *); |
void word(struct termp *, const char *); |
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void flushln(struct termp *); |
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void transcode(struct termp *, const char *, size_t); |
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void subtree(struct termp *, const struct mdoc_meta *, |
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const struct mdoc_node *); |
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const struct termact *termacts; |
enum termfont term_fonttop(struct termp *); |
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const void *term_fontq(struct termp *); |
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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 *, const void *); |
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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 |
__END_DECLS |
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