version 1.47, 2011/04/17 09:08:19 |
version 1.54, 2011/07/21 15:21:13 |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <errno.h> |
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#include <limits.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
Line 95 numescape(const char *start) |
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Line 97 numescape(const char *start) |
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return(++i); |
return(++i); |
} |
} |
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/* |
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* Handle an escaped sequeence. This should be called with any |
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* string subsequent a `\'. Pass a pointer to this substring as "end"; |
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* it will be set to the supremum of the parsed escape sequence. If |
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* this returns ESCAPE_ERROR, the string is bogus and should be thrown |
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* away. If not ESCAPE_ERROR or ESCAPE_IGNORE, "start" is set to the |
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* first relevant character of the substring (font, glyph, whatever) of |
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* length sz. Both "start" and "sz" may be NULL. |
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*/ |
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enum mandoc_esc |
enum mandoc_esc |
mandoc_escape(const char **end, const char **start, int *sz) |
mandoc_escape(const char **end, const char **start, int *sz) |
{ |
{ |
Line 132 mandoc_escape(const char **end, const char **start, in |
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Line 125 mandoc_escape(const char **end, const char **start, in |
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break; |
break; |
case ('['): |
case ('['): |
gly = ESCAPE_SPECIAL; |
gly = ESCAPE_SPECIAL; |
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/* |
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* Unicode escapes are defined in groff as \[uXXXX] to |
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* \[u10FFFF], where the contained value must be a valid |
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* Unicode codepoint. Here, however, only check whether |
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* it's not a zero-width escape. |
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*/ |
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if ('u' == cp[i] && ']' != cp[i + 1]) |
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gly = ESCAPE_UNICODE; |
term = ']'; |
term = ']'; |
break; |
break; |
case ('C'): |
case ('C'): |
Line 163 mandoc_escape(const char **end, const char **start, in |
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Line 164 mandoc_escape(const char **end, const char **start, in |
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if (ESCAPE_ERROR == gly) |
if (ESCAPE_ERROR == gly) |
gly = ESCAPE_IGNORE; |
gly = ESCAPE_IGNORE; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('*'): |
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if (ESCAPE_ERROR == gly) |
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gly = ESCAPE_PREDEF; |
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/* FALLTHROUGH */ |
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case ('f'): |
case ('f'): |
if (ESCAPE_ERROR == gly) |
if (ESCAPE_ERROR == gly) |
gly = ESCAPE_FONT; |
gly = ESCAPE_FONT; |
Line 460 mandoc_strdup(const char *ptr) |
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Line 457 mandoc_strdup(const char *ptr) |
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* or to the null byte terminating the argument line. |
* or to the null byte terminating the argument line. |
*/ |
*/ |
char * |
char * |
mandoc_getarg(struct mparse *parse, |
mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos) |
char **cpp, int ln, int dowarn, int *pos) |
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{ |
{ |
char *start, *cp; |
char *start, *cp; |
int quoted, pairs, white; |
int quoted, pairs, white; |
Line 508 mandoc_getarg(struct mparse *parse, |
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Line 504 mandoc_getarg(struct mparse *parse, |
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} |
} |
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/* Quoted argument without a closing quote. */ |
/* Quoted argument without a closing quote. */ |
if (dowarn && 1 == quoted) |
if (1 == quoted) |
mandoc_msg(MANDOCERR_BADQUOTE, parse, ln, *pos, NULL); |
mandoc_msg(MANDOCERR_BADQUOTE, parse, ln, *pos, NULL); |
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/* Null-terminate this argument and move to the next one. */ |
/* Null-terminate this argument and move to the next one. */ |
Line 522 mandoc_getarg(struct mparse *parse, |
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Line 518 mandoc_getarg(struct mparse *parse, |
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*pos += (int)(cp - start) + (quoted ? 1 : 0); |
*pos += (int)(cp - start) + (quoted ? 1 : 0); |
*cpp = cp; |
*cpp = cp; |
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if (dowarn && '\0' == *cp && (white || ' ' == cp[-1])) |
if ('\0' == *cp && (white || ' ' == cp[-1])) |
mandoc_msg(MANDOCERR_EOLNSPACE, parse, ln, *pos, NULL); |
mandoc_msg(MANDOCERR_EOLNSPACE, parse, ln, *pos, NULL); |
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return(start); |
return(start); |
Line 613 mandoc_eos(const char *p, size_t sz, int enclosed) |
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Line 609 mandoc_eos(const char *p, size_t sz, int enclosed) |
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/* |
/* |
* End-of-sentence recognition must include situations where |
* End-of-sentence recognition must include situations where |
* some symbols, such as `)', allow prior EOS punctuation to |
* some symbols, such as `)', allow prior EOS punctuation to |
* propogate outward. |
* propagate outward. |
*/ |
*/ |
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found = 0; |
found = 0; |
Line 695 mandoc_getcontrol(const char *cp, int *ppos) |
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Line 691 mandoc_getcontrol(const char *cp, int *ppos) |
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*ppos = pos; |
*ppos = pos; |
return(1); |
return(1); |
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} |
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/* |
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* Convert a string to a long that may not be <0. |
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* If the string is invalid, or is less than 0, return -1. |
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*/ |
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int |
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mandoc_strntoi(const char *p, size_t sz, int base) |
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{ |
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char buf[32]; |
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char *ep; |
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long v; |
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if (sz > 31) |
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return(-1); |
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memcpy(buf, p, sz); |
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buf[(int)sz] = '\0'; |
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errno = 0; |
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v = strtol(buf, &ep, base); |
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if (buf[0] == '\0' || *ep != '\0') |
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return(-1); |
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if (v > INT_MAX) |
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v = INT_MAX; |
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if (v < INT_MIN) |
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v = INT_MIN; |
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return((int)v); |
} |
} |