version 1.19, 2015/02/28 13:16:44 |
version 1.25, 2015/03/03 22:37:24 |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <getopt.h> |
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#include <libgen.h> |
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#include <limits.h> |
#include <limits.h> |
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdio.h> |
#include <stdio.h> |
Line 79 texiexit(struct texi *p) |
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Line 77 texiexit(struct texi *p) |
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/* Make sure we're newline-terminated. */ |
/* Make sure we're newline-terminated. */ |
if (p->outcol) |
if (p->outcol) |
putchar('\n'); |
fputc('\n', p->outfile); |
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if (NULL != p->chapters) |
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teximdocclose(p, 1); |
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/* Unmap all files. */ |
/* Unmap all files. */ |
while (p->filepos > 0) |
while (p->filepos > 0) |
Line 180 texiputchar(struct texi *p, char c) |
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Line 180 texiputchar(struct texi *p, char c) |
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if (p->ign) |
if (p->ign) |
return; |
return; |
if ('.' == c && 0 == p->outcol) |
if ('.' == c && 0 == p->outcol) |
fputs("\\&", stdout); |
fputs("\\&", p->outfile); |
if ('\'' == c && 0 == p->outcol) |
if ('\'' == c && 0 == p->outcol) |
fputs("\\&", stdout); |
fputs("\\&", p->outfile); |
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putchar(c); |
if (p->uppercase) |
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fputc(toupper((unsigned int)c), p->outfile); |
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else |
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fputc(c, p->outfile); |
if ('\\' == c) |
if ('\\' == c) |
putchar('e'); |
fputc('e', p->outfile); |
p->seenvs = 0; |
p->seenvs = 0; |
if ('\n' == c) { |
if ('\n' == c) { |
p->outcol = 0; |
p->outcol = 0; |
Line 207 texiputchars(struct texi *p, const char *s) |
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Line 210 texiputchars(struct texi *p, const char *s) |
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if (p->ign) |
if (p->ign) |
return; |
return; |
if ('.' == *s && 0 == p->outcol) |
if ('.' == *s && 0 == p->outcol) |
fputs("\\&", stdout); |
fputs("\\&", p->outfile); |
if ('\'' == *s && 0 == p->outcol) |
if ('\'' == *s && 0 == p->outcol) |
fputs("\\&", stdout); |
fputs("\\&", p->outfile); |
p->outcol += fputs(s, stdout); |
if (p->uppercase) |
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for ( ; '\0' != *s; s++) |
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p->outcol += fputc(toupper |
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((unsigned int)*s), p->outfile); |
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else |
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p->outcol += fputs(s, p->outfile); |
p->seenvs = 0; |
p->seenvs = 0; |
} |
} |
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Line 239 teximacroclose(struct texi *p) |
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Line 247 teximacroclose(struct texi *p) |
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return; |
return; |
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if (0 == --p->outmacro) { |
if (0 == --p->outmacro) { |
putchar('\n'); |
fputc('\n', p->outfile); |
p->outcol = p->seenws = 0; |
p->outcol = p->seenws = 0; |
} |
} |
} |
} |
Line 259 teximacroopen(struct texi *p, const char *s) |
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Line 267 teximacroopen(struct texi *p, const char *s) |
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return; |
return; |
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if (p->outcol && 0 == p->outmacro) { |
if (p->outcol && 0 == p->outmacro) { |
putchar('\n'); |
fputc('\n', p->outfile); |
p->outcol = 0; |
p->outcol = 0; |
} |
} |
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if (0 == p->outmacro) |
if (0 == p->outmacro) |
putchar('.'); |
fputc('.', p->outfile); |
else |
else |
putchar(' '); |
fputc(' ', p->outfile); |
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if (EOF != (rc = fputs(s, stdout))) |
if (EOF != (rc = fputs(s, p->outfile))) |
p->outcol += rc; |
p->outcol += rc; |
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putchar(' '); |
fputc(' ', p->outfile); |
p->outcol++; |
p->outcol++; |
p->outmacro++; |
p->outmacro++; |
p->seenws = 0; |
p->seenws = 0; |
Line 293 teximacro(struct texi *p, const char *s) |
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Line 301 teximacro(struct texi *p, const char *s) |
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texierr(p, "\"%s\" in a literal scope!?", s); |
texierr(p, "\"%s\" in a literal scope!?", s); |
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if (p->outcol) |
if (p->outcol) |
putchar('\n'); |
fputc('\n', p->outfile); |
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putchar('.'); |
fputc('.', p->outfile); |
puts(s); |
fputs(s, p->outfile); |
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fputc('\n', p->outfile); |
p->outcol = p->seenws = 0; |
p->outcol = p->seenws = 0; |
} |
} |
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Line 361 texipunctuate(struct texi *p, size_t *pos) |
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Line 370 texipunctuate(struct texi *p, size_t *pos) |
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case ('.'): |
case ('.'): |
case ('"'): |
case ('"'): |
case (':'): |
case (':'): |
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case (';'): |
case ('!'): |
case ('!'): |
case ('?'): |
case ('?'): |
continue; |
continue; |
Line 414 advancenext(struct texi *p, size_t *pos) |
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Line 424 advancenext(struct texi *p, size_t *pos) |
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/* |
/* |
* Advance to the EOLN in the input stream. |
* Advance to the EOLN in the input stream. |
* NOTE: THIS SHOULD NOT BE CALLED ON BLANK TEXT, as it will read up to |
* This will skip over '@' markers in an effort to ignore escaped |
* the @\n. |
* newlines. |
*/ |
*/ |
size_t |
size_t |
advanceeoln(struct texi *p, size_t *pos, int consumenl) |
advanceeoln(struct texi *p, size_t *pos, int consumenl) |
{ |
{ |
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while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) |
while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) { |
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if ('@' == BUF(p)[*pos]) |
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advance(p, pos); |
advance(p, pos); |
advance(p, pos); |
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} |
if (*pos < BUFSZ(p) && consumenl) |
if (*pos < BUFSZ(p) && consumenl) |
advance(p, pos); |
advance(p, pos); |
return(*pos); |
return(*pos); |
Line 451 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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Line 464 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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const char *cp; |
const char *cp; |
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/* Disregard empty macros. */ |
/* Disregard empty macros. */ |
if (0 == (valsz = realsz = strlen(m->value))) |
if (0 == (valsz = realsz = strlen(m->value))) { |
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args = argparse(p, pos, &asz, m->argsz); |
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for (i = 0; i < asz; i++) |
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free(args[i]); |
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free(args); |
return; |
return; |
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} |
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/* |
/* |
* This is important: it protect us from macros that invoke more |
* This is important: it protect us from macros that invoke more |
Line 462 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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Line 480 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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* The "sv" value was initialised at the start of the macro. |
* The "sv" value was initialised at the start of the macro. |
*/ |
*/ |
if (sv > 0) |
if (sv > 0) |
if (++p->files[p->filepos].depth > 64) |
if (++p->files[p->filepos - 1].depth > 64) |
texierr(p, "maximium recursive depth"); |
texierr(p, "maximium recursive depth"); |
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args = argparse(p, pos, &asz, m->argsz); |
args = argparse(p, pos, &asz, m->argsz); |
Line 471 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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Line 489 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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aasz = asz < m->argsz ? asz : m->argsz; |
aasz = asz < m->argsz ? asz : m->argsz; |
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if (0 == aasz) { |
if (0 == aasz) { |
texisplice(p, m->value, valsz, pos); |
texisplice(p, m->value, valsz, *pos); |
return; |
return; |
} |
} |
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Line 534 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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Line 552 texiexecmacro(struct texi *p, struct teximacro *m, siz |
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i = end; |
i = end; |
} |
} |
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texisplice(p, val, strlen(val), pos); |
texisplice(p, val, strlen(val), *pos); |
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for (i = 0; i < asz; i++) |
for (i = 0; i < asz; i++) |
free(args[i]); |
free(args[i]); |
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parseword(struct texi *p, size_t *pos, char extra) |
parseword(struct texi *p, size_t *pos, char extra) |
{ |
{ |
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/* |
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* Some line control: if we (non-macro, non-literal) already |
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* have more than 72 characters written to the screen, then |
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* output a newline before getting started. |
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*/ |
if (p->seenws && 0 == p->outmacro && |
if (p->seenws && 0 == p->outmacro && |
p->outcol > 72 && 0 == p->literal) |
p->outcol > 72 && 0 == p->literal) |
texiputchar(p, '\n'); |
texiputchar(p, '\n'); |
/* FIXME: abstract this: we use it elsewhere. */ |
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/* Usual padding in the case of seen whitespace. */ |
if (p->seenws && p->outcol && 0 == p->literal) |
if (p->seenws && p->outcol && 0 == p->literal) |
texiputchar(p, ' '); |
texiputchar(p, ' '); |
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Line 583 parseword(struct texi *p, size_t *pos, char extra) |
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Line 607 parseword(struct texi *p, size_t *pos, char extra) |
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texiputchar(p, BUF(p)[*pos]); |
texiputchar(p, BUF(p)[*pos]); |
advance(p, pos); |
advance(p, pos); |
} |
} |
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/* |
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* New sentence, new line:if we (non-macro, non-literal) see a |
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* period at the end of the last printed word, then open a |
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* newline. |
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*/ |
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if (0 == p->literal && 0 == p->outmacro && |
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*pos < BUFSZ(p) && '.' == BUF(p)[*pos - 1]) |
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texiputchar(p, '\n'); |
} |
} |
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/* |
/* |
Line 606 texicmd(const struct texi *p, size_t pos, size_t *end, |
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Line 639 texicmd(const struct texi *p, size_t pos, size_t *end, |
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return(TEXICMD__MAX); |
return(TEXICMD__MAX); |
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/* Alphabetic commands are special. */ |
/* Alphabetic commands are special. */ |
if ( ! isalpha((unsigned char)BUF(p)[pos])) { |
if ( ! isalpha((unsigned int)BUF(p)[pos])) { |
if ((*end = pos + 1) == BUFSZ(p)) |
if ((*end = pos + 1) == BUFSZ(p)) |
return(TEXICMD__MAX); |
return(TEXICMD__MAX); |
for (i = 0; i < TEXICMD__MAX; i++) { |
for (i = 0; i < TEXICMD__MAX; i++) { |
Line 926 parseeof(struct texi *p) |
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Line 959 parseeof(struct texi *p) |
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} |
} |
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void |
void |
texisplice(struct texi *p, const char *buf, size_t sz, size_t *pos) |
texisplice(struct texi *p, const char *buf, size_t sz, size_t pos) |
{ |
{ |
char *cp; |
char *cp; |
struct texifile *f; |
struct texifile *f; |
Line 943 texisplice(struct texi *p, const char *buf, size_t sz, |
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Line 976 texisplice(struct texi *p, const char *buf, size_t sz, |
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} |
} |
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f->insplice += sz; |
f->insplice += sz; |
memmove(f->map + *pos + sz, f->map + *pos, f->mapsz - *pos); |
memmove(f->map + pos + sz, f->map + pos, f->mapsz - pos); |
memcpy(f->map + *pos, buf, sz); |
memcpy(f->map + pos, buf, sz); |
f->mapsz += sz; |
f->mapsz += sz; |
} |
} |
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Line 1348 argparse(struct texi *p, size_t *pos, size_t *argsz, s |
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Line 1381 argparse(struct texi *p, size_t *pos, size_t *argsz, s |
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advance(p, pos); |
advance(p, pos); |
return(args); |
return(args); |
} |
} |
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/* |
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* If we're printing chapters, then do some naviation here and then |
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* close our outfile. |
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* I want to call this the SEE ALSO section, but that's not really what |
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* it is: we'll refer to the "initial" (top) node and the next and |
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* previous chapters. |
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*/ |
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void |
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teximdocclose(struct texi *p, int last) |
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{ |
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char buf[PATH_MAX]; |
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if (NULL == p->chapters || 0 == p->chapnum) |
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return; |
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teximacro(p, "Sh INFO NAVIGATION"); |
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/* Print a reference to the "top" node. */ |
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if (p->chapnum > 1) { |
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texiputchars(p, "Top node,"); |
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snprintf(buf, sizeof(buf), "node1 7"); |
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teximacroopen(p, "Xr "); |
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texiputchars(p, buf); |
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texiputchars(p, " ;"); |
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teximacroclose(p); |
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} |
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/* Print a reference to the previous node. */ |
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if (p->chapnum > 2) { |
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texiputchars(p, "previous node,"); |
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snprintf(buf, sizeof(buf), |
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"node%zu 7", p->chapnum - 1); |
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teximacroopen(p, "Xr "); |
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texiputchars(p, buf); |
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if ( ! last) |
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texiputchars(p, " ;"); |
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teximacroclose(p); |
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} |
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/* Print a reference to the next node. */ |
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if ( ! last) { |
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if (1 == p->chapnum) |
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texiputchars(p, "Next node,"); |
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else |
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texiputchars(p, "next node,"); |
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snprintf(buf, sizeof(buf), |
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"node%zu 7", p->chapnum + 1); |
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teximacroopen(p, "Xr "); |
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texiputchars(p, buf); |
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teximacroclose(p); |
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} |
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fclose(p->outfile); |
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} |
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/* |
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* Open a mdoc(7) context. |
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* If we're printing chapters, then open the outfile here, too. |
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* Otherwise just print the mdoc(7) prologue. |
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*/ |
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void |
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teximdocopen(struct texi *p, size_t *pos) |
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{ |
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const char *cp; |
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time_t t; |
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char date[32]; |
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char fname[PATH_MAX]; |
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if (NULL != p->chapters) { |
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snprintf(fname, sizeof(fname), "%s/node%zu.7", |
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p->chapters, ++p->chapnum); |
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p->outfile = fopen(fname, "w"); |
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if (NULL == p->outfile) |
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texiabort(p, fname); |
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} |
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/* |
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* Here we print our standard mdoc(7) prologue. |
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* We use the title set with @settitle for the `Nd' description |
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* and the source document filename (the first one as invoked on |
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* the command line) for the title. |
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* The date is set to the current date. |
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*/ |
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t = time(NULL); |
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strftime(date, sizeof(date), "%F", localtime(&t)); |
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teximacroopen(p, "Dd"); |
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texiputchars(p, date); |
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teximacroclose(p); |
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teximacroopen(p, "Dt"); |
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for (cp = p->title; '\0' != *cp; cp++) |
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texiputchar(p, toupper((unsigned int)*cp)); |
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texiputchars(p, " 7"); |
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teximacroclose(p); |
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teximacro(p, "Os"); |
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teximacro(p, "Sh NAME"); |
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teximacroopen(p, "Nm"); |
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for (cp = p->title; '\0' != *cp; cp++) |
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texiputchar(p, *cp); |
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teximacroclose(p); |
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teximacroopen(p, "Nd"); |
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/* |
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* The subtitle `Nd' can consist of arbitrary macros, so paste |
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* it and parse to the end of the line. |
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*/ |
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if (NULL != p->subtitle) { |
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texisplice(p, p->subtitle, strlen(p->subtitle), *pos); |
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parseeoln(p, pos); |
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} else |
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texiputchars(p, "Unknown description"); |
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teximacroclose(p); |
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p->seenvs = 1; |
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} |
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