-/* $Id: mandoc.c,v 1.16 2010/05/25 12:37:20 kristaps Exp $ */
+/* $Id: mandoc.c,v 1.25 2010/07/21 20:35:03 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 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
* purpose with or without fee is hereby granted, provided that the above
#include <string.h>
#include <time.h>
+#include "mandoc.h"
#include "libmandoc.h"
-static int a2time(time_t *, const char *, const char *);
+static int a2time(time_t *, const char *, const char *);
int
-mandoc_special(const char *p)
+mandoc_special(char *p)
{
- int terminator; /* Terminator for \s. */
- int lim; /* Limit for N in \s. */
- int c, i;
+ int len, i;
+ char term;
+ char *sv;
- if ('\\' != *p++)
- return(0);
+ len = 0;
+ term = '\0';
+ sv = p;
+
+ assert('\\' == *p);
+ p++;
- switch (*p) {
- case ('\''):
+ switch (*p++) {
+#if 0
+ case ('Z'):
+ /* FALLTHROUGH */
+ case ('X'):
+ /* FALLTHROUGH */
+ case ('x'):
/* FALLTHROUGH */
- case ('`'):
+ case ('w'):
/* FALLTHROUGH */
- case ('q'):
+ case ('v'):
/* FALLTHROUGH */
- case ('-'):
+ case ('S'):
/* FALLTHROUGH */
- case ('~'):
+ case ('R'):
/* FALLTHROUGH */
- case ('^'):
+ case ('o'):
/* FALLTHROUGH */
- case ('%'):
+ case ('N'):
/* FALLTHROUGH */
- case ('0'):
+ case ('l'):
/* FALLTHROUGH */
- case (' '):
+ case ('L'):
/* FALLTHROUGH */
- case ('|'):
+ case ('H'):
/* FALLTHROUGH */
- case ('&'):
+ case ('h'):
/* FALLTHROUGH */
- case ('.'):
+ case ('D'):
/* FALLTHROUGH */
- case (':'):
+ case ('C'):
/* FALLTHROUGH */
- case ('c'):
- return(2);
- case ('e'):
- return(2);
+ case ('b'):
+ /* FALLTHROUGH */
+ case ('B'):
+ /* FALLTHROUGH */
+ case ('a'):
+ /* FALLTHROUGH */
+ case ('A'):
+ if (*p++ != '\'')
+ return(0);
+ term = '\'';
+ break;
+#endif
case ('s'):
- if ('\0' == *++p)
- return(2);
-
- c = 2;
- terminator = 0;
- lim = 1;
-
- if (*p == '\'') {
- lim = 0;
- terminator = 1;
- ++p;
- ++c;
- } else if (*p == '[') {
- lim = 0;
- terminator = 2;
- ++p;
- ++c;
- } else if (*p == '(') {
- lim = 2;
- terminator = 3;
- ++p;
- ++c;
- }
+ if (ASCII_HYPH == *p)
+ *p = '-';
+ if ('+' == *p || '-' == *p)
+ p++;
- if (*p == '+' || *p == '-') {
- ++p;
- ++c;
- }
+ i = ('s' != *(p - 1));
- if (*p == '\'') {
- if (terminator)
- return(0);
- lim = 0;
- terminator = 1;
- ++p;
- ++c;
- } else if (*p == '[') {
- if (terminator)
- return(0);
- lim = 0;
- terminator = 2;
- ++p;
- ++c;
- } else if (*p == '(') {
- if (terminator)
- return(0);
- lim = 2;
- terminator = 3;
- ++p;
- ++c;
- }
-
- /* TODO: needs to handle floating point. */
-
- if ( ! isdigit((u_char)*p))
- return(0);
-
- for (i = 0; isdigit((u_char)*p); i++) {
- if (lim && i >= lim)
- break;
- ++p;
- ++c;
+ switch (*p++) {
+ case ('('):
+ len = 2;
+ break;
+ case ('['):
+ term = ']';
+ break;
+ case ('\''):
+ term = '\'';
+ break;
+ default:
+ len = 1;
+ p--;
+ break;
}
- if (terminator && terminator < 3) {
- if (1 == terminator && *p != '\'')
- return(0);
- if (2 == terminator && *p != ']')
+ if (ASCII_HYPH == *p)
+ *p = '-';
+ if ('+' == *p || '-' == *p) {
+ if (i++)
return(0);
- ++p;
- ++c;
- }
-
- return(c);
+ p++;
+ }
+
+ if (0 == i)
+ return(0);
+ break;
+#if 0
+ case ('Y'):
+ /* FALLTHROUGH */
+ case ('V'):
+ /* FALLTHROUGH */
+ case ('$'):
+ /* FALLTHROUGH */
+ case ('n'):
+ /* FALLTHROUGH */
+ case ('k'):
+ /* FALLTHROUGH */
+#endif
+ case ('M'):
+ /* FALLTHROUGH */
+ case ('m'):
+ /* FALLTHROUGH */
case ('f'):
/* FALLTHROUGH */
case ('F'):
/* FALLTHROUGH */
case ('*'):
- if (0 == *++p || ! isgraph((u_char)*p))
- return(0);
- switch (*p) {
+ switch (*p++) {
case ('('):
- if (0 == *++p || ! isgraph((u_char)*p))
- return(0);
- return(4);
+ len = 2;
+ break;
case ('['):
- for (c = 3, p++; *p && ']' != *p; p++, c++)
- if ( ! isgraph((u_char)*p))
- break;
- return(*p == ']' ? c : 0);
+ term = ']';
+ break;
default:
+ len = 1;
+ p--;
break;
}
- return(3);
+ break;
case ('('):
- if (0 == *++p || ! isgraph((u_char)*p))
- return(0);
- if (0 == *++p || ! isgraph((u_char)*p))
- return(0);
- return(4);
+ len = 2;
+ break;
case ('['):
+ term = ']';
break;
default:
- return(0);
+ len = 1;
+ p--;
+ break;
}
- for (c = 3, p++; *p && ']' != *p; p++, c++)
- if ( ! isgraph((u_char)*p))
- break;
+ if (term) {
+ for ( ; *p && term != *p; p++)
+ if (ASCII_HYPH == *p)
+ *p = '-';
+ return(*p ? (int)(p - sv) : 0);
+ }
- return(*p == ']' ? c : 0);
+ for (i = 0; *p && i < len; i++, p++)
+ if (ASCII_HYPH == *p)
+ *p = '-';
+ return(i == len ? (int)(p - sv) : 0);
}
int
-mandoc_eos(const char *p, size_t sz)
+mandoc_eos(const char *p, size_t sz, int enclosed)
{
+ const char *q;
+ int found;
if (0 == sz)
return(0);
* propogate outward.
*/
- for ( ; sz; sz--) {
- switch (p[(int)sz - 1]) {
+ found = 0;
+ for (q = p + (int)sz - 1; q >= p; q--) {
+ switch (*q) {
case ('\"'):
/* FALLTHROUGH */
case ('\''):
case (']'):
/* FALLTHROUGH */
case (')'):
+ if (0 == found)
+ enclosed = 1;
break;
case ('.'):
- /* Escaped periods. */
- if (sz > 1 && '\\' == p[(int)sz - 2])
- return(0);
/* FALLTHROUGH */
case ('!'):
/* FALLTHROUGH */
case ('?'):
- return(1);
+ found = 1;
+ break;
default:
- return(0);
+ return(found && (!enclosed || isalnum(*q)));
}
}
- return(0);
+ return(found && !enclosed);
}
git.ckatri.com / mandoc.git / blobdiff