version 1.25, 2009/03/02 17:14:46 |
version 1.29, 2009/03/04 13:57:35 |
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#include "mmain.h" |
#include "mmain.h" |
#include "term.h" |
#include "term.h" |
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struct termenc { |
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const char *enc; |
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int sym; |
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}; |
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static void body(struct termp *, |
static void body(struct termp *, |
struct termpair *, |
struct termpair *, |
const struct mdoc_meta *, |
const struct mdoc_meta *, |
Line 44 static void footer(struct termp *, |
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Line 49 static void footer(struct termp *, |
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static void pword(struct termp *, const char *, size_t); |
static void pword(struct termp *, const char *, size_t); |
static void pescape(struct termp *, const char *, |
static void pescape(struct termp *, const char *, |
size_t *, size_t); |
size_t *, size_t); |
static void style(struct termp *, enum tstyle); |
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static void nescape(struct termp *, |
static void nescape(struct termp *, |
const char *, size_t); |
const char *, size_t); |
static void chara(struct termp *, char); |
static void chara(struct termp *, char); |
static void stringa(struct termp *, |
static void stringa(struct termp *, |
const char *, size_t); |
const char *, size_t); |
static void symbola(struct termp *, enum tsym); |
static void symbola(struct termp *, enum tsym); |
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static void stylea(struct termp *, enum tstyle); |
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#ifdef __linux__ |
#ifdef __linux__ |
extern size_t strlcat(char *, const char *, size_t); |
extern size_t strlcat(char *, const char *, size_t); |
extern size_t strlcpy(char *, const char *, size_t); |
extern size_t strlcpy(char *, const char *, size_t); |
#endif |
#endif |
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static struct termenc termenc1[] = { |
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{ "\\", TERMSYM_SLASH }, |
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{ "\'", TERMSYM_RSQUOTE }, |
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{ "`", TERMSYM_LSQUOTE }, |
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{ "-", TERMSYM_HYPHEN }, |
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{ " ", TERMSYM_SPACE }, |
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{ ".", TERMSYM_PERIOD }, |
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{ "&", TERMSYM_BREAK }, |
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{ "e", TERMSYM_SLASH }, |
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{ "q", TERMSYM_DQUOTE }, |
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{ NULL, 0 } |
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}; |
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static struct termenc termenc2[] = { |
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{ "rB", TERMSYM_RBRACK }, |
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{ "lB", TERMSYM_LBRACK }, |
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{ "Lq", TERMSYM_LDQUOTE }, |
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{ "lq", TERMSYM_LDQUOTE }, |
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{ "Rq", TERMSYM_RDQUOTE }, |
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{ "rq", TERMSYM_RDQUOTE }, |
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{ "oq", TERMSYM_LSQUOTE }, |
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{ "aq", TERMSYM_RSQUOTE }, |
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{ "<-", TERMSYM_LARROW }, |
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{ "->", TERMSYM_RARROW }, |
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{ "ua", TERMSYM_UARROW }, |
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{ "da", TERMSYM_DARROW }, |
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{ "bu", TERMSYM_BULLET }, |
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{ "Ba", TERMSYM_BAR }, |
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{ "ba", TERMSYM_BAR }, |
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{ "co", TERMSYM_COPY }, |
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{ "Am", TERMSYM_AMP }, |
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{ "Le", TERMSYM_LE }, |
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{ "<=", TERMSYM_LE }, |
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{ "Ge", TERMSYM_GE }, |
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{ "=>", TERMSYM_GE }, |
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{ "==", TERMSYM_EQ }, |
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{ "Ne", TERMSYM_NEQ }, |
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{ "!=", TERMSYM_NEQ }, |
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{ "Pm", TERMSYM_PLUSMINUS }, |
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{ "+-", TERMSYM_PLUSMINUS }, |
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{ "If", TERMSYM_INF2 }, |
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{ "if", TERMSYM_INF }, |
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{ "Na", TERMSYM_NAN }, |
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{ "na", TERMSYM_NAN }, |
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{ "**", TERMSYM_ASTERISK }, |
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{ "Gt", TERMSYM_GT }, |
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{ "Lt", TERMSYM_LT }, |
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{ "aa", TERMSYM_ACUTE }, |
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{ "ga", TERMSYM_GRAVE }, |
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{ "en", TERMSYM_EN }, |
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{ "em", TERMSYM_EM }, |
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{ "Pi", TERMSYM_PI }, |
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{ NULL, 0 } |
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}; |
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static struct termsym termsym_ansi[] = { |
static struct termsym termsym_ansi[] = { |
{ "]", 1 }, /* TERMSYM_RBRACK */ |
{ "]", 1 }, /* TERMSYM_RBRACK */ |
{ "[", 1 }, /* TERMSYM_LBRACK */ |
{ "[", 1 }, /* TERMSYM_LBRACK */ |
Line 85 static struct termsym termsym_ansi[] = { |
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Line 151 static struct termsym termsym_ansi[] = { |
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{ "NaN", 3 }, /* TERMSYM_NAN */ |
{ "NaN", 3 }, /* TERMSYM_NAN */ |
{ "|", 1 }, /* TERMSYM_BAR */ |
{ "|", 1 }, /* TERMSYM_BAR */ |
{ "o", 1 }, /* TERMSYM_BULLET */ |
{ "o", 1 }, /* TERMSYM_BULLET */ |
{ "&", 1 }, /* TERMSYM_AND */ |
{ "&", 1 }, /* TERMSYM_AMP */ |
{ "|", 1 }, /* TERMSYM_OR */ |
{ "--", 2 }, /* TERMSYM_EM */ |
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{ "-", 1 }, /* TERMSYM_EN */ |
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{ "(C)", 3 }, /* TERMSYM_COPY */ |
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{ "*", 1 }, /* TERMSYM_ASTERISK */ |
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{ "\\", 1 }, /* TERMSYM_SLASH */ |
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{ "-", 1 }, /* TERMSYM_HYPHEN */ |
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{ " ", 1 }, /* TERMSYM_SPACE */ |
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{ ".", 1 }, /* TERMSYM_PERIOD */ |
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{ "", 0 }, /* TERMSYM_BREAK */ |
}; |
}; |
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static const char ansi_clear[] = { 27, '[', '0', 'm' }; |
static const char ansi_clear[] = { 27, '[', '0', 'm' }; |
Line 115 main(int argc, char *argv[]) |
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Line 189 main(int argc, char *argv[]) |
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if (NULL == (mdoc = mmain_mdoc(p))) |
if (NULL == (mdoc = mmain_mdoc(p))) |
mmain_exit(p, 1); |
mmain_exit(p, 1); |
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termp.maxrmargin = 78; /* XXX */ |
termp.maxrmargin = termp.rmargin = 78; /* XXX */ |
termp.rmargin = termp.maxrmargin; |
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termp.maxcols = 1024; |
termp.maxcols = 1024; |
termp.offset = termp.col = 0; |
termp.offset = termp.col = 0; |
termp.flags = TERMP_NOSPACE; |
termp.flags = TERMP_NOSPACE; |
Line 153 main(int argc, char *argv[]) |
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Line 226 main(int argc, char *argv[]) |
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* offset value. This is useful when doing columnar lists where the |
* offset value. This is useful when doing columnar lists where the |
* prior column has right-padded. |
* prior column has right-padded. |
* |
* |
* - TERMP_LITERAL: don't break apart words. Note that a long literal |
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* word will violate the right margin. |
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* |
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* - TERMP_NOBREAK: this is the most important and is used when making |
* - TERMP_NOBREAK: this is the most important and is used when making |
* columns. In short: don't print a newline and instead pad to the |
* columns. In short: don't print a newline and instead pad to the |
* right margin. Used in conjunction with TERMP_NOLPAD. |
* right margin. Used in conjunction with TERMP_NOLPAD. |
Line 246 flushln(struct termp *p) |
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Line 316 flushln(struct termp *p) |
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putchar('\n'); |
putchar('\n'); |
for (j = 0; j < p->rmargin; j++) |
for (j = 0; j < p->rmargin; j++) |
putchar(' '); |
putchar(' '); |
vis = p->rmargin; |
vis = p->offset; |
} else if (vis + vsz > bp) |
} else if (vis + vsz > bp) |
warnx("word breaks right margin"); |
warnx("word breaks right margin"); |
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Line 289 flushln(struct termp *p) |
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Line 359 flushln(struct termp *p) |
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* pad to the right margin and stay off. |
* pad to the right margin and stay off. |
*/ |
*/ |
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if (p->flags & TERMP_NOBREAK) { |
if (p->flags & TERMP_NOBREAK) |
for ( ; vis < maxvis; vis++) |
for ( ; vis < maxvis; vis++) |
putchar(' '); |
putchar(' '); |
} else |
else |
putchar('\n'); |
putchar('\n'); |
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p->col = 0; |
p->col = 0; |
Line 614 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 684 header(struct termp *p, const struct mdoc_meta *meta) |
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static void |
static void |
nescape(struct termp *p, const char *word, size_t len) |
nescape(struct termp *p, const char *word, size_t len) |
{ |
{ |
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struct termenc *enc; |
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switch (len) { |
switch (len) { |
case (1): |
case (1): |
switch (word[0]) { |
enc = termenc1; |
case ('\\'): |
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/* FALLTHROUGH */ |
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case ('\''): |
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/* FALLTHROUGH */ |
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case ('`'): |
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/* FALLTHROUGH */ |
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case ('-'): |
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/* FALLTHROUGH */ |
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case (' '): |
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/* FALLTHROUGH */ |
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case ('.'): |
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chara(p, word[0]); /* FIXME */ |
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break; |
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case ('&'): |
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break; |
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case ('e'): |
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chara(p, '\\'); /* FIXME */ |
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break; |
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case ('q'): |
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symbola(p, TERMSYM_DQUOTE); |
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break; |
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default: |
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warnx("escape sequence not supported: %c", |
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word[0]); |
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break; |
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} |
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break; |
break; |
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case (2): |
case (2): |
if ('r' == word[0] && 'B' == word[1]) |
enc = termenc2; |
symbola(p, TERMSYM_RBRACK); |
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else if ('l' == word[0] && 'B' == word[1]) |
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symbola(p, TERMSYM_LBRACK); |
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else if ('l' == word[0] && 'q' == word[1]) |
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symbola(p, TERMSYM_LDQUOTE); |
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else if ('r' == word[0] && 'q' == word[1]) |
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symbola(p, TERMSYM_RDQUOTE); |
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else if ('o' == word[0] && 'q' == word[1]) |
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symbola(p, TERMSYM_LSQUOTE); |
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else if ('a' == word[0] && 'q' == word[1]) |
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symbola(p, TERMSYM_RSQUOTE); |
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else if ('<' == word[0] && '-' == word[1]) |
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symbola(p, TERMSYM_LARROW); |
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else if ('-' == word[0] && '>' == word[1]) |
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symbola(p, TERMSYM_RARROW); |
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else if ('b' == word[0] && 'u' == word[1]) |
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symbola(p, TERMSYM_BULLET); |
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else if ('<' == word[0] && '=' == word[1]) |
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symbola(p, TERMSYM_LE); |
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else if ('>' == word[0] && '=' == word[1]) |
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symbola(p, TERMSYM_GE); |
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else if ('=' == word[0] && '=' == word[1]) |
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symbola(p, TERMSYM_EQ); |
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else if ('+' == word[0] && '-' == word[1]) |
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symbola(p, TERMSYM_PLUSMINUS); |
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else if ('u' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_UARROW); |
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else if ('d' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_DARROW); |
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else if ('a' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_ACUTE); |
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else if ('g' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_GRAVE); |
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else if ('!' == word[0] && '=' == word[1]) |
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symbola(p, TERMSYM_NEQ); |
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else if ('i' == word[0] && 'f' == word[1]) |
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symbola(p, TERMSYM_INF); |
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else if ('n' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_NAN); |
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else if ('b' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_BAR); |
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/* Deprecated forms. */ |
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else if ('A' == word[0] && 'm' == word[1]) |
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symbola(p, TERMSYM_AMP); |
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else if ('B' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_BAR); |
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else if ('I' == word[0] && 'f' == word[1]) |
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symbola(p, TERMSYM_INF2); |
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else if ('G' == word[0] && 'e' == word[1]) |
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symbola(p, TERMSYM_GE); |
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else if ('G' == word[0] && 't' == word[1]) |
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symbola(p, TERMSYM_GT); |
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else if ('L' == word[0] && 'e' == word[1]) |
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symbola(p, TERMSYM_LE); |
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else if ('L' == word[0] && 'q' == word[1]) |
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symbola(p, TERMSYM_LDQUOTE); |
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else if ('L' == word[0] && 't' == word[1]) |
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symbola(p, TERMSYM_LT); |
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else if ('N' == word[0] && 'a' == word[1]) |
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symbola(p, TERMSYM_NAN); |
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else if ('N' == word[0] && 'e' == word[1]) |
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symbola(p, TERMSYM_NEQ); |
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else if ('P' == word[0] && 'i' == word[1]) |
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symbola(p, TERMSYM_PI); |
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else if ('P' == word[0] && 'm' == word[1]) |
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symbola(p, TERMSYM_PLUSMINUS); |
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else if ('R' == word[0] && 'q' == word[1]) |
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symbola(p, TERMSYM_RDQUOTE); |
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else |
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warnx("escape sequence not supported: %c%c", |
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word[0], word[1]); |
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break; |
break; |
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default: |
default: |
warnx("escape sequence not supported"); |
warnx("unsupported %zu-byte escape sequence", len); |
break; |
return; |
} |
} |
} |
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for ( ; enc->enc; enc++) |
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if (0 == memcmp(enc->enc, word, len)) { |
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symbola(p, enc->sym); |
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return; |
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} |
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/* |
warnx("unsupported %zu-byte escape sequence", len); |
* Apply a style to the output buffer. This is looked up by means of |
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* the styletab. |
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*/ |
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static void |
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style(struct termp *p, enum tstyle esc) |
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{ |
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if (p->col + 4 >= p->maxcols) |
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errx(1, "line overrun"); |
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p->buf[(p->col)++] = 27; |
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p->buf[(p->col)++] = '['; |
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switch (esc) { |
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case (TERMSTYLE_CLEAR): |
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p->buf[(p->col)++] = '0'; |
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break; |
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case (TERMSTYLE_BOLD): |
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p->buf[(p->col)++] = '1'; |
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break; |
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case (TERMSTYLE_UNDER): |
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p->buf[(p->col)++] = '4'; |
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break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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p->buf[(p->col)++] = 'm'; |
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} |
} |
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Line 835 pword(struct termp *p, const char *word, size_t len) |
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Line 783 pword(struct termp *p, const char *word, size_t len) |
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*/ |
*/ |
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if (p->flags & TERMP_BOLD) |
if (p->flags & TERMP_BOLD) |
style(p, TERMSTYLE_BOLD); |
stylea(p, TERMSTYLE_BOLD); |
if (p->flags & TERMP_UNDERLINE) |
if (p->flags & TERMP_UNDERLINE) |
style(p, TERMSTYLE_UNDER); |
stylea(p, TERMSTYLE_UNDER); |
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for (i = 0; i < len; i++) { |
for (i = 0; i < len; i++) { |
if ('\\' == word[i]) { |
if ('\\' == word[i]) { |
Line 849 pword(struct termp *p, const char *word, size_t len) |
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Line 797 pword(struct termp *p, const char *word, size_t len) |
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if (p->flags & TERMP_BOLD || |
if (p->flags & TERMP_BOLD || |
p->flags & TERMP_UNDERLINE) |
p->flags & TERMP_UNDERLINE) |
style(p, TERMSTYLE_CLEAR); |
stylea(p, TERMSTYLE_CLEAR); |
} |
} |
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Line 866 symbola(struct termp *p, enum tsym sym) |
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Line 814 symbola(struct termp *p, enum tsym sym) |
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/* |
/* |
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* Add a style to the output line buffer. |
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*/ |
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static void |
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stylea(struct termp *p, enum tstyle style) |
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{ |
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assert(p->styletab[style].sym); |
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stringa(p, p->styletab[style].sym, p->styletab[style].sz); |
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} |
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/* |
* Like chara() but for arbitrary-length buffers. Resize the buffer by |
* Like chara() but for arbitrary-length buffers. Resize the buffer by |
* a factor of two (if the buffer is less than that) or the buffer's |
* a factor of two (if the buffer is less than that) or the buffer's |
* size. |
* size. |
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stringa(struct termp *p, const char *c, size_t sz) |
stringa(struct termp *p, const char *c, size_t sz) |
{ |
{ |
size_t s; |
size_t s; |
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if (0 == sz) |
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return; |
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s = sz > p->maxcols * 2 ? sz : p->maxcols * 2; |
s = sz > p->maxcols * 2 ? sz : p->maxcols * 2; |
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