version 1.23, 2009/03/15 07:08:53 |
version 1.66, 2010/06/27 01:26:20 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009 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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#define INDENT 6 |
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__BEGIN_DECLS |
__BEGIN_DECLS |
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enum tsym { |
struct termp; |
TERMSYM_RBRACK = 0, |
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TERMSYM_LBRACK = 1, |
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TERMSYM_LARROW = 2, |
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TERMSYM_RARROW = 3, |
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TERMSYM_UARROW = 4, |
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TERMSYM_DARROW = 5, |
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TERMSYM_LSQUOTE = 6, |
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TERMSYM_RSQUOTE = 7, |
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TERMSYM_SQUOTE = 8, |
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TERMSYM_LDQUOTE = 9, |
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TERMSYM_RDQUOTE = 10, |
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TERMSYM_DQUOTE = 11, |
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TERMSYM_LT = 12, |
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TERMSYM_GT = 13, |
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TERMSYM_LE = 14, |
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TERMSYM_GE = 15, |
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TERMSYM_EQ = 16, |
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TERMSYM_NEQ = 17, |
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TERMSYM_ACUTE = 18, |
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TERMSYM_GRAVE = 19, |
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TERMSYM_PI = 20, |
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TERMSYM_PLUSMINUS = 21, |
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TERMSYM_INF = 22, |
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TERMSYM_INF2 = 23, |
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TERMSYM_NAN = 24, |
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TERMSYM_BAR = 25, |
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TERMSYM_BULLET = 26, |
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TERMSYM_AMP = 27, |
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TERMSYM_EM = 28, |
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TERMSYM_EN = 29, |
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TERMSYM_COPY = 30, |
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TERMSYM_ASTERISK = 31, |
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TERMSYM_SLASH = 32, |
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TERMSYM_HYPHEN = 33, |
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TERMSYM_SPACE = 34, |
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TERMSYM_PERIOD = 35, |
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TERMSYM_BREAK = 36, |
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TERMSYM_LANGLE = 37, |
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TERMSYM_RANGLE = 38, |
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TERMSYM_LBRACE = 39, |
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TERMSYM_RBRACE = 40, |
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TERMSYM_MAX = 41 |
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}; |
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enum termenc { |
enum termenc { |
TERMENC_ANSI, |
TERMENC_ASCII |
TERMENC_NROFF |
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}; |
}; |
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struct termsym { |
enum termtype { |
const char *sym; |
TERMTYPE_CHAR, |
size_t sz; |
TERMTYPE_PS |
}; |
}; |
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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 0xff00 /* 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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#define TERMP_BLUE (1 << 10) |
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#define TERMP_RED (1 << 11) |
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#define TERMP_YELLOW (1 << 12) |
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#define TERMP_MAGENTA (1 << 13) |
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#define TERMP_CYAN (1 << 14) |
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#define TERMP_GREEN (1 << 15) |
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char *buf; |
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struct termsym *symtab; /* Special-symbol table. */ |
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enum termenc enc; /* Encoding. */ |
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}; |
}; |
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struct termpair { |
#define TERM_MAXMARGIN 100000 /* FIXME */ |
struct termpair *ppair; |
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int type; |
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#define TERMPAIR_FLAG (1 << 0) |
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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(termp, p, fl) \ |
typedef void (*term_margin)(struct termp *, const void *); |
do { \ |
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assert(! (TERMPAIR_FLAG & (p)->type)); \ |
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(termp)->flags |= (fl); \ |
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(p)->flag = (fl); \ |
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(p)->type |= TERMPAIR_FLAG; \ |
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} while (0) |
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struct termact { |
struct termp_ps { |
int (*pre)(struct termp *, |
int psstate; /* state of ps output */ |
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 *); |
size_t pscol; /* visible column */ |
void (*post)(struct termp *, |
size_t psrow; /* visible row */ |
struct termpair *, |
char *psmarg; /* margin buf */ |
const struct mdoc_meta *, |
size_t psmargsz; /* margin buf size */ |
const struct mdoc_node *); |
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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enum termfont lastf; /* last set font */ |
}; |
}; |
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void newln(struct termp *); |
struct termp { |
void vspace(struct termp *); |
enum termtype type; |
void word(struct termp *, const char *); |
size_t defrmargin; /* Right margin of the device.. */ |
void flushln(struct termp *); |
size_t rmargin; /* Current right margin. */ |
void transcode(struct termp *, |
size_t maxrmargin; /* Max right margin. */ |
const char *, size_t); |
size_t maxcols; /* Max size of buf. */ |
void subtree(struct termp *, |
size_t offset; /* Margin offest. */ |
const struct mdoc_meta *, |
size_t tabwidth; /* Distance of tab positions. */ |
const struct mdoc_node *); |
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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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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struct termp *term_alloc(enum termenc); |
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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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const struct termact *termacts; |
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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