1.1 --- a/regex_parser.c Tue Oct 02 10:49:25 2012 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,110 +0,0 @@
1.4 -/*
1.5 - * regex_parser.c
1.6 - *
1.7 - * Created on: 26.01.2012
1.8 - * Author: Mike
1.9 - */
1.10 -
1.11 -#include "regex_parser.h"
1.12 -
1.13 -regex_parser_t* new_regex_parser_t() {
1.14 - regex_parser_t* ret = malloc(sizeof(regex_parser_t));
1.15 - if (ret != NULL) {
1.16 - ret->pattern_list = new_string_list_t();
1.17 - ret->matched_lines = 0;
1.18 - ret->pattern_match = 0;
1.19 - ret->compiled_patterns = NULL;
1.20 - ret->compiled_pattern_count = 0;
1.21 - }
1.22 - return ret;
1.23 -}
1.24 -
1.25 -void regex_destcomppats(regex_parser_t* parser) {
1.26 - if (parser->compiled_patterns != NULL) {
1.27 - for (int i = 0 ; i < parser->compiled_pattern_count ; i++) {
1.28 - if (parser->compiled_patterns[i] != NULL) {
1.29 - free(parser->compiled_patterns[i]);
1.30 - }
1.31 - }
1.32 - free(parser->compiled_patterns);
1.33 - parser->compiled_patterns = NULL;
1.34 - parser->compiled_pattern_count = 0;
1.35 - }
1.36 -}
1.37 -
1.38 -void destroy_regex_parser_t(regex_parser_t* parser) {
1.39 - regex_destcomppats(parser);
1.40 - destroy_string_list_t(parser->pattern_list);
1.41 - free(parser);
1.42 -}
1.43 -
1.44 -bool regex_parser_matching(regex_parser_t* parser) {
1.45 - return parser->pattern_match > 0;
1.46 -}
1.47 -
1.48 -int regex_parser_do(regex_parser_t* parser, char* input) {
1.49 - int err = REG_NOMATCH;
1.50 - if (parser->compiled_pattern_count > 0) {
1.51 - regmatch_t match;
1.52 -
1.53 - if (regex_parser_matching(parser)) {
1.54 - parser->matched_lines++;
1.55 -
1.56 - err = regexec(parser->compiled_patterns[parser->pattern_match],
1.57 - input, 1, &match, 0);
1.58 - if (err > 0 && err != REG_NOMATCH) {
1.59 - fprintf(stderr, "Regex-Error: 0x%08x", err);
1.60 - }
1.61 - if (err == 0) {
1.62 - parser->pattern_match = 0;
1.63 - /* do not match line, if it does not end with the pattern */
1.64 - if (match.rm_eo < strlen(input)) {
1.65 - parser->matched_lines--;
1.66 - }
1.67 - }
1.68 - } else {
1.69 - for (int i = 0 ; i < parser->compiled_pattern_count - 1 ; i += 2) {
1.70 - err = regexec(parser->compiled_patterns[i], input, 1, &match, 0);
1.71 - if (err > 0 && err != REG_NOMATCH) {
1.72 - fprintf(stderr, "Regex-Error: 0x%08x", err);
1.73 - }
1.74 - if (err == 0) {
1.75 - parser->pattern_match = i+1;
1.76 - parser->matched_lines = 0;
1.77 - /* Check, if end pattern is also in this line */
1.78 - regex_parser_do(parser, input);
1.79 - /* do not match line, if it does not start with the pattern */
1.80 - if (match.rm_so > 0 && parser->matched_lines > 0) {
1.81 - parser->matched_lines--;
1.82 - }
1.83 - break;
1.84 - }
1.85 - }
1.86 - }
1.87 - }
1.88 - return err;
1.89 -}
1.90 -
1.91 -bool regex_compile_all(regex_parser_t* parser) {
1.92 - bool success = true;
1.93 - size_t pcount = parser->pattern_list->count;
1.94 - if (pcount > 0) {
1.95 - regex_destcomppats(parser);
1.96 - parser->compiled_patterns = calloc(pcount, sizeof(regex_t));
1.97 - parser->compiled_pattern_count = pcount;
1.98 -
1.99 - regex_t* re;
1.100 - for (int i = 0 ; i < pcount ; i++) {
1.101 - re = malloc(sizeof(regex_t));
1.102 - if (regcomp(re, parser->pattern_list->items[i], REG_EXTENDED) == 0) {
1.103 - parser->compiled_patterns[i] = re;
1.104 - } else {
1.105 - fprintf(stderr, "Cannot compile pattern: %s\n",
1.106 - (parser->pattern_list->items[i]));
1.107 - parser->compiled_patterns[i] = NULL;
1.108 - success = false;
1.109 - }
1.110 - }
1.111 - }
1.112 - return success;
1.113 -}
