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add opts to regex 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6254 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2007-11-14 14:18:24 +00:00
parent d6d9890b8d
commit c5e0348f63
1 changed files with 24 additions and 2 deletions
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26
src/switch_regex.c
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@ -61,20 +61,40 @@ SWITCH_DECLARE(int) switch_regex_perform(const char *field, const char *expressi
int erroffset = 0; int erroffset = 0;
pcre *re = NULL; pcre *re = NULL;
int match_count = 0; int match_count = 0;
char *tmp = NULL;
uint32_t flags = 0;
if (!(field && expression)) { if (!(field && expression)) {
return 0; return 0;
} }
if (*expression == '/' && *(expression + (strlen(expression) - 1)) == '/') {
char *opts = NULL;
tmp = strdup(expression + 1);
assert(tmp);
if ((opts = strrchr(tmp, '/'))) {
*opts++ = '\0';
}
expression = tmp;
if (opts) {
if (strchr(opts, 'i')) {
flags |= PCRE_CASELESS;
}
if (strchr(opts, 's')) {
flags |= PCRE_DOTALL;
}
}
}
re = pcre_compile(expression, /* the pattern */ re = pcre_compile(expression, /* the pattern */
0, /* default options */ flags, /* default options */
&error, /* for error message */ &error, /* for error message */
&erroffset, /* for error offset */ &erroffset, /* for error offset */
NULL); /* use default character tables */ NULL); /* use default character tables */
if (error) { if (error) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "COMPILE ERROR: %d [%s]\n", erroffset, error); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "COMPILE ERROR: %d [%s]\n", erroffset, error);
switch_regex_safe_free(re); switch_regex_safe_free(re);
return 0; goto end;
} }
match_count = pcre_exec(re, /* result of pcre_compile() */ match_count = pcre_exec(re, /* result of pcre_compile() */
@ -93,6 +113,8 @@ SWITCH_DECLARE(int) switch_regex_perform(const char *field, const char *expressi
*new_re = (switch_regex_t *) re; *new_re = (switch_regex_t *) re;
end:
switch_safe_free(tmp);
return match_count; return match_count;
} }