Attachment 628829 Details for Bug 866520 – preg.c

preg.c

preg.c (text/plain), 2.00 KB, created by Remi Collet on 2012-10-17 14:00:59 UTC

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Creator: Remi Collet

Created: 2012-10-17 14:00:59 UTC

Size: 2.00 KB

patch

obsolete

>#include <stdio.h>
>#include <string.h>
>#include <pcre.h>
>
>int main (int argc, char *argv[]) {
>	char 		*regex =    "(?<!\\<)(?<!\\w)(\\pL*foobar\\pL*)(?!\\w|[^<>]*>)";
>	char 		*repl  =    "<span class='search-everything-highlight-color' style='background-color:#FFF984'>$1</span>";
>	char 		*subj  =    "foobar &#8211; a &#8211; 00 aaÅºaaier";
>	pcre 		*re    = NULL;
>	pcre_extra 	extra;
>	const char 	*error;
>	int		erroffset;
>	unsigned const char *tables = NULL;
>	char		rc;
>	int     	num_subpats;		/* Number of captured subpatterns */
>	char 		**subpat_names;		/* Array for named subpatterns */
>	int 		name_cnt = 0;
>	int		start_offset;		/* Where the new search starts */
>	int		offsets[99];
>	int		i, count = 0;			/* Count of matched subpatterns */
>	int		backref;			/* Backreference number */
>	char		*walk;
>
>	printf("regex(%d): %s\n", strlen(regex), regex);
>	printf("replace(%d): %s\n", strlen(repl), repl);
>	printf("subj(%d): %s\n", strlen(subj), subj);
>	tables = pcre_maketables();
>	re = pcre_compile(regex, PCRE_CASELESS, &error, &erroffset, NULL);
>	if (re == NULL) {
>		printf("Compilation failed: %s at offset %d\n", error, erroffset);
>		exit(1);
>	}
>	extra.flags = 0;
>	rc = pcre_fullinfo(re, &extra, PCRE_INFO_CAPTURECOUNT, &num_subpats);
>	if (rc < 0) {
>		printf("Internal pcre_fullinfo() error %d\n", rc);
>		exit(1);
>	}
>	printf("num_subpat:%d\n", num_subpats);
>	rc = pcre_fullinfo(re, &extra, PCRE_INFO_NAMECOUNT, &name_cnt);
>	if (rc < 0) {
>		printf("Internal pcre_fullinfo() error %d\n", rc);
>		exit(1);
>	}
>	printf("name_cnt:%d\n", name_cnt);
>
>	start_offset = 0;
>	count = pcre_exec(re, &extra, subj, strlen(subj), start_offset,
>				  0, offsets, 99);
>
>	printf("start:%d, count:%d\n", start_offset, count);
>	for (i=0 ; i<(count*2) ; i++) {
>		printf("offsets[%d]=%d\n", i, offsets[i]);
>	}
>	
>	start_offset = 6;
>	count = pcre_exec(re, &extra, subj, strlen(subj), start_offset,
>				  0, offsets, 99);
>
>	printf("start:%d, count:%d\n", start_offset, count);
>	for (i=0 ; i<(count*2) ; i++) {
>		printf("offsets[%d]=%d\n", i, offsets[i]);
>	}
>	
>	
>	return 0;
>}
>

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Attachments on bug 866520: 627475 | 628829 | 629315 | 630005