| #include <pcre.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); |
| } |
| } |
| |
| #ifdef _WIN32 |
| __declspec(dllexport) |
| #endif |
| 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); |
| } |