--- a/regex_parser.c Tue Oct 02 10:49:25 2012 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,110 +0,0 @@ -/* - * regex_parser.c - * - * Created on: 26.01.2012 - * Author: Mike - */ - -#include "regex_parser.h" - -regex_parser_t* new_regex_parser_t() { - regex_parser_t* ret = malloc(sizeof(regex_parser_t)); - if (ret != NULL) { - ret->pattern_list = new_string_list_t(); - ret->matched_lines = 0; - ret->pattern_match = 0; - ret->compiled_patterns = NULL; - ret->compiled_pattern_count = 0; - } - return ret; -} - -void regex_destcomppats(regex_parser_t* parser) { - if (parser->compiled_patterns != NULL) { - for (int i = 0 ; i < parser->compiled_pattern_count ; i++) { - if (parser->compiled_patterns[i] != NULL) { - free(parser->compiled_patterns[i]); - } - } - free(parser->compiled_patterns); - parser->compiled_patterns = NULL; - parser->compiled_pattern_count = 0; - } -} - -void destroy_regex_parser_t(regex_parser_t* parser) { - regex_destcomppats(parser); - destroy_string_list_t(parser->pattern_list); - free(parser); -} - -bool regex_parser_matching(regex_parser_t* parser) { - return parser->pattern_match > 0; -} - -int regex_parser_do(regex_parser_t* parser, char* input) { - int err = REG_NOMATCH; - if (parser->compiled_pattern_count > 0) { - regmatch_t match; - - if (regex_parser_matching(parser)) { - parser->matched_lines++; - - err = regexec(parser->compiled_patterns[parser->pattern_match], - input, 1, &match, 0); - if (err > 0 && err != REG_NOMATCH) { - fprintf(stderr, "Regex-Error: 0x%08x", err); - } - if (err == 0) { - parser->pattern_match = 0; - /* do not match line, if it does not end with the pattern */ - if (match.rm_eo < strlen(input)) { - parser->matched_lines--; - } - } - } else { - for (int i = 0 ; i < parser->compiled_pattern_count - 1 ; i += 2) { - err = regexec(parser->compiled_patterns[i], input, 1, &match, 0); - if (err > 0 && err != REG_NOMATCH) { - fprintf(stderr, "Regex-Error: 0x%08x", err); - } - if (err == 0) { - parser->pattern_match = i+1; - parser->matched_lines = 0; - /* Check, if end pattern is also in this line */ - regex_parser_do(parser, input); - /* do not match line, if it does not start with the pattern */ - if (match.rm_so > 0 && parser->matched_lines > 0) { - parser->matched_lines--; - } - break; - } - } - } - } - return err; -} - -bool regex_compile_all(regex_parser_t* parser) { - bool success = true; - size_t pcount = parser->pattern_list->count; - if (pcount > 0) { - regex_destcomppats(parser); - parser->compiled_patterns = calloc(pcount, sizeof(regex_t)); - parser->compiled_pattern_count = pcount; - - regex_t* re; - for (int i = 0 ; i < pcount ; i++) { - re = malloc(sizeof(regex_t)); - if (regcomp(re, parser->pattern_list->items[i], REG_EXTENDED) == 0) { - parser->compiled_patterns[i] = re; - } else { - fprintf(stderr, "Cannot compile pattern: %s\n", - (parser->pattern_list->items[i])); - parser->compiled_patterns[i] = NULL; - success = false; - } - } - } - return success; -}