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core: Support named groups and backreferences within the LocationMatch,

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DirectoryMatch, FilesMatch and ProxyMatch directives.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1554300 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Graham Leggett
2013-12-30 19:50:52 +00:00
parent 0f27b530ef
commit 43e022f007
9 changed files with 235 additions and 23 deletions
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37
server/util_pcre.c
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@ -45,6 +45,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include "httpd.h"
#include "apr_strings.h"
#include "apr_tables.h"
#include "pcre.h"
#define APR_WANT_STRFUNC
@ -124,7 +125,7 @@ AP_DECLARE(int) ap_regcomp(ap_regex_t * preg, const char *pattern, int cflags)
const char *errorptr;
int erroffset;
int errcode = 0;
int options = 0;
int options = PCRE_DUPNAMES;
if ((cflags & AP_REG_ICASE) != 0)
options |= PCRE_CASELESS;
@ -256,4 +257,38 @@ AP_DECLARE(int) ap_regexec_len(const ap_regex_t *preg, const char *buff,
}
}
AP_DECLARE(int) ap_regname(const ap_regex_t *preg,
apr_array_header_t *names, int upper)
{
int namecount;
int nameentrysize;
int i;
char *nametable;
pcre_fullinfo((const pcre *)preg->re_pcre, NULL,
PCRE_INFO_NAMECOUNT, &namecount);
pcre_fullinfo((const pcre *)preg->re_pcre, NULL,
PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
pcre_fullinfo((const pcre *)preg->re_pcre, NULL,
PCRE_INFO_NAMETABLE, &nametable);
for (i = 0; i < namecount; i++) {
const char *offset = nametable + i * nameentrysize;
int capture = ((offset[0] << 8) + offset[1]);
while (names->nelts <= capture) {
apr_array_push(names);
}
if (upper) {
char *name = ((char **)names->elts)[capture] =
apr_pstrdup(names->pool, offset + 2);
ap_str_toupper(name);
}
else {
((const char **)names->elts)[capture] = offset + 2;
}
}
return namecount;
}
/* End of pcreposix.c */