28 lines
941 B
Plaintext
28 lines
941 B
Plaintext
|
#include <regex.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <sqlite3ext.h>
|
||
|
|
|
||
|
|
SQLITE_EXTENSION_INIT1
|
||
|
|
static void regexp_func(sqlite3_context *context, int argc, sqlite3_value **argv) {
|
||
|
|
if (argc >= 2) {
|
||
|
|
const char *target = (const char *)sqlite3_value_text(argv[1]);
|
||
|
|
const char *pattern = (const char *)sqlite3_value_text(argv[0]);
|
||
|
|
const char* errstr = NULL;
|
||
|
|
int erroff = 0;
|
||
|
|
int vec[500];
|
||
|
|
int n, rc;
|
||
|
|
pcre* re = pcre_compile(pattern, 0, &errstr, &erroff, NULL);
|
||
|
|
rc = pcre_exec(re, NULL, target, strlen(target), 0, 0, vec, 500);
|
||
|
|
if (rc <= 0) {
|
||
|
|
sqlite3_result_error(context, errstr, 0);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
sqlite3_result_int(context, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
__declspec(dllexport) int sqlite3_extension_init(sqlite3 *db, char **errmsg, const sqlite3_api_routines *api) {
|
||
|
|
SQLITE_EXTENSION_INIT2(api);
|
||
|
|
return sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8, (void*)db, regexp_func, NULL, NULL);
|
||
|
|
}
|