-/* $Id: out.c,v 1.8 2009/11/07 08:26:45 kristaps Exp $ */
+/* $Id: out.c,v 1.28 2010/08/24 13:56:51 kristaps Exp $ */
/*
- * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <sys/types.h>
#include <assert.h>
#include "out.h"
-#ifdef __linux__
-extern size_t strlcat(char *, const char *, size_t);
-#endif
-
/*
* Convert a `scaling unit' to a consistent form, or fail. Scaling
* units are documented in groff.7, mdoc.7, man.7.
return(0);
}
+ /* FIXME: do this in the caller. */
if ((dst->scale = atof(buf)) < 0)
dst->scale = 0;
dst->unit = unit;
- dst->pt = hasd;
-
return(1);
}
}
-/* Returns length of parsed string. */
int
-a2roffdeco(enum roffdeco *d,
- const char **word, size_t *sz)
+a2roffdeco(enum roffdeco *d, const char **word, size_t *sz)
{
- int j, type, sv, t, lim;
+ int i, j, lim;
+ char term, c;
const char *wp;
+ enum roffdeco dd;
*d = DECO_NONE;
-
+ lim = i = 0;
+ term = '\0';
wp = *word;
- type = 1;
-
- switch (*wp) {
- case ('\0'):
- return(0);
+ switch ((c = wp[i++])) {
case ('('):
- wp++;
- if ('\0' == *wp)
- return(1);
- if ('\0' == *(wp + 1))
- return(2);
-
*d = DECO_SPECIAL;
- *sz = 2;
- *word = wp;
- return(3);
-
- case ('*'):
- wp++;
-
- switch (*wp) {
- case ('\0'):
- return(1);
+ lim = 2;
+ break;
+ case ('F'):
+ /* FALLTHROUGH */
+ case ('f'):
+ *d = 'F' == c ? DECO_FFONT : DECO_FONT;
+ switch (wp[i++]) {
case ('('):
- wp++;
- if ('\0' == *wp)
- return(2);
- if ('\0' == *(wp + 1))
- return(3);
-
- *d = DECO_RESERVED;
- *sz = 2;
- *word = wp;
- return(4);
-
+ lim = 2;
+ break;
case ('['):
- type = 0;
+ term = ']';
break;
-
- default:
- *d = DECO_RESERVED;
- *sz = 1;
- *word = wp;
- return(3);
- }
- break;
-
-#if 0
- case ('s'):
- wp++;
-
- /* This closely follows mandoc_special(). */
- if ('\0' == *wp)
- return(1);
-
- t = 0;
- lim = 1;
-
- if (*wp == '\'') {
- lim = 0;
- t = 1;
- ++wp;
- } else if (*wp == '[') {
- lim = 0;
- t = 2;
- ++wp;
- } else if (*wp == '(') {
- lim = 2;
- t = 3;
- ++wp;
- }
-
- if (*wp == '+' || *wp == '-')
- ++wp;
-
- if (*wp == '\'') {
- if (t) {
- *word = wp;
- return;
- }
- lim = 0;
- t = 1;
- ++wp;
- } else if (*wp == '[') {
- if (t) {
- *word = wp;
- return;
- }
- lim = 0;
- t = 2;
- ++wp;
- } else if (*wp == '(') {
- if (t) {
- *word = wp;
- return;
- }
- lim = 2;
- t = 3;
- ++wp;
- }
-
- if ( ! isdigit((u_char)*wp)) {
- *word = --wp;
- return;
- }
-
- for (j = 0; isdigit((u_char)*wp); j++) {
- if (lim && j >= lim)
- break;
- ++wp;
- }
-
- if (t && t < 3) {
- if (1 == t && *wp != '\'') {
- *word = --wp;
- return;
- }
- if (2 == t && *wp != ']') {
- *word = --wp;
- return;
- }
- ++wp;
- }
- *word = --wp;
- return;
-#endif
-
- case ('f'):
- wp++;
-
- switch (*wp) {
- case ('\0'):
- return(1);
case ('3'):
/* FALLTHROUGH */
case ('B'):
*d = DECO_BOLD;
- break;
+ return(i);
case ('2'):
/* FALLTHROUGH */
case ('I'):
*d = DECO_ITALIC;
- break;
+ return(i);
case ('P'):
*d = DECO_PREVIOUS;
- break;
+ return(i);
case ('1'):
/* FALLTHROUGH */
case ('R'):
*d = DECO_ROMAN;
+ return(i);
+ default:
+ i--;
+ lim = 1;
+ break;
+ }
+ break;
+ case ('k'):
+ /* FALLTHROUGH */
+ case ('M'):
+ /* FALLTHROUGH */
+ case ('m'):
+ /* FALLTHROUGH */
+ case ('*'):
+ if ('*' == c)
+ *d = DECO_RESERVED;
+
+ switch (wp[i++]) {
+ case ('('):
+ lim = 2;
+ break;
+ case ('['):
+ term = ']';
+ break;
+ default:
+ i--;
+ lim = 1;
+ break;
+ }
+ break;
+ case ('h'):
+ /* FALLTHROUGH */
+ case ('v'):
+ /* FALLTHROUGH */
+ case ('s'):
+ j = 0;
+ if ('+' == wp[i] || '-' == wp[i]) {
+ i++;
+ j = 1;
+ }
+
+ switch (wp[i++]) {
+ case ('('):
+ lim = 2;
break;
+ case ('['):
+ term = ']';
+ break;
+ case ('\''):
+ term = '\'';
+ break;
+ case ('0'):
+ j = 1;
+ /* FALLTHROUGH */
default:
+ i--;
+ lim = 1;
break;
}
- return(2);
+ if ('+' == wp[i] || '-' == wp[i]) {
+ if (j)
+ return(i);
+ i++;
+ }
+ /* Handle embedded numerical subexp or escape. */
+
+ if ('(' == wp[i]) {
+ while (wp[i] && ')' != wp[i])
+ if ('\\' == wp[i++]) {
+ /* Handle embedded escape. */
+ *word = &wp[i];
+ i += a2roffdeco(&dd, word, sz);
+ }
+
+ if (')' == wp[i++])
+ break;
+
+ *d = DECO_NONE;
+ return(i - 1);
+ } else if ('\\' == wp[i]) {
+ *word = &wp[++i];
+ i += a2roffdeco(&dd, word, sz);
+ }
+
+ break;
case ('['):
+ *d = DECO_SPECIAL;
+ term = ']';
break;
-
+ case ('c'):
+ *d = DECO_NOSPACE;
+ return(i);
+ case ('z'):
+ *d = DECO_NONE;
+ if ('\\' == wp[i]) {
+ *word = &wp[++i];
+ return(i + a2roffdeco(&dd, word, sz));
+ } else
+ lim = 1;
+ break;
+ case ('w'):
+ if ('\'' == wp[i++]) {
+ term = '\'';
+ break;
+ }
+ /* FALLTHROUGH */
default:
- *d = DECO_SPECIAL;
- *word = wp;
- *sz = 1;
- return(1);
+ *d = DECO_SSPECIAL;
+ i--;
+ lim = 1;
+ break;
+ }
+
+ assert(term || lim);
+ *word = &wp[i];
+
+ if (term) {
+ j = i;
+ while (wp[i] && wp[i] != term)
+ i++;
+ if ('\0' == wp[i]) {
+ *d = DECO_NONE;
+ return(i);
+ }
+
+ assert(i >= j);
+ *sz = (size_t)(i - j);
+
+ return(i + 1);
}
- *word = ++wp;
- for (j = 0; *wp && ']' != *wp; wp++, j++)
- /* Loop... */ ;
+ assert(lim > 0);
+ *sz = (size_t)lim;
- if ('\0' == *wp)
- return(j + 1);
+ for (j = 0; wp[i] && j < lim; j++)
+ i++;
+ if (j < lim)
+ *d = DECO_NONE;
- *d = type ? DECO_SPECIAL : DECO_RESERVED;
- *sz = j;
- return (j + 2);
+ return(i);
}
git.ckatri.com / mandoc.git / blobdiff