version 1.9, 2009/02/25 15:12:26 |
version 1.79, 2011/01/05 15:37:23 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* 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" |
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__BEGIN_DECLS |
__BEGIN_DECLS |
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struct termp { |
struct termp; |
size_t rmargin; |
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size_t maxrmargin; |
enum termenc { |
size_t maxcols; |
TERMENC_ASCII |
size_t offset; |
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size_t col; |
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int flags; |
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#define TERMP_BOLD (1 << 0) /* Embolden words. */ |
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#define TERMP_UNDERLINE (1 << 1) /* Underline words. */ |
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#define TERMP_NOSPACE (1 << 2) /* No space before words. */ |
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#define TERMP_NOLPAD (1 << 3) /* No leftpad before flush. */ |
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#define TERMP_NOBREAK (1 << 4) /* No break after flush. */ |
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#define TERMP_LITERAL (1 << 5) /* Literal words. */ |
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#define TERMP_IGNDELIM (1 << 6) /* Delims like regulars. */ |
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char *buf; |
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}; |
}; |
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struct termpair { |
enum termtype { |
struct termpair *ppair; |
TERMTYPE_CHAR, |
int type; |
TERMTYPE_PS, |
#define TERMPAIR_FLAG (1 << 0) |
TERMTYPE_PDF |
int flag; |
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size_t offset; |
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size_t rmargin; |
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int count; |
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}; |
}; |
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#define TERMPAIR_SETFLAG(p, fl) \ |
enum termfont { |
do { \ |
TERMFONT_NONE = 0, |
assert(! (TERMPAIR_FLAG & (p)->type)); \ |
TERMFONT_BOLD, |
(p)->flag = (fl); \ |
TERMFONT_UNDER, |
(p)->type |= TERMPAIR_FLAG; \ |
TERMFONT__MAX |
} while (0) |
}; |
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struct termact { |
#define TERM_MAXMARGIN 100000 /* FIXME */ |
int (*pre)(struct termp *, |
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struct termpair *, |
typedef void (*term_margin)(struct termp *, const void *); |
const struct mdoc_meta *, |
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const struct mdoc_node *); |
struct termp_ps { |
void (*post)(struct termp *, |
int flags; |
struct termpair *, |
#define PS_INLINE (1 << 0) /* we're in a word */ |
const struct mdoc_meta *, |
#define PS_MARGINS (1 << 1) /* we're in the margins */ |
const struct mdoc_node *); |
#define PS_NEWPAGE (1 << 2) /* new page, no words yet */ |
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size_t pscol; /* visible column (AFM units) */ |
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size_t psrow; /* visible row (AFM units) */ |
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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; /* cur index in margin buf */ |
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char last; /* character buffer */ |
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enum termfont lastf; /* last set font */ |
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size_t scale; /* font scaling factor */ |
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size_t pages; /* number of pages shown */ |
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size_t lineheight; /* line height (AFM units) */ |
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size_t top; /* body top (AFM units) */ |
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size_t bottom; /* body bottom (AFM units) */ |
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size_t height; /* page height (AFM units */ |
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size_t width; /* page width (AFM units) */ |
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size_t left; /* body left (AFM units) */ |
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size_t header; /* header pos (AFM units) */ |
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size_t footer; /* footer pos (AFM units) */ |
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size_t pdfbytes; /* current output byte */ |
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size_t pdflastpg; /* byte of last page mark */ |
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size_t pdfbody; /* start of body object */ |
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size_t *pdfobjs; /* table of object offsets */ |
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size_t pdfobjsz; /* size of pdfobjs */ |
}; |
}; |
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void newln(struct termp *); |
struct termp_tbl { |
void vspace(struct termp *); |
int width; /* width in fixed chars */ |
void word(struct termp *, const char *); |
int decimal; /* decimal point position */ |
void flushln(struct termp *); |
}; |
void transcode(struct termp *, |
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const char *, size_t); |
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void subtree(struct termp *, |
struct termp { |
const struct mdoc_meta *, |
enum termtype type; |
const struct mdoc_node *); |
struct rofftbl tbl; /* table configuration */ |
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size_t defrmargin; /* Right margin of the device. */ |
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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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int overstep; /* See termp_flushln(). */ |
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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_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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#define TERMP_KEEP (1 << 14) /* Keep words together. */ |
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#define TERMP_PREKEEP (1 << 15) /* ...starting with the next one. */ |
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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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size_t (*width)(const struct termp *, char); |
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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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union { |
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struct termp_ps ps; |
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} engine; |
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}; |
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const struct termact *termacts; |
struct termp *term_alloc(enum termenc); |
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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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size_t term_hspan(const struct termp *, |
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const struct roffsu *); |
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size_t term_vspan(const struct termp *, |
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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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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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