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#include "mc_regex.h"
#include "mcin.h"
#include "../common.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int mcin_matcher_init(MCINMatcher *out)
{
int r = 0;
r = regcomp(&out->regex_master, ".*\\[([0-9][0-9]:[0-9][0-9]:[0-9][0-9])\\] \\[(.*)\\/(.*)\\]: (.*)", REG_EXTENDED);
if(r)
{
fprintf(stderr, _("Cannot compile master regex: %d.\n"), r);
return r;
}
int line = 0;
char str[] = MC_REGEX;
char *token;
char *rest = str;
while ((token = strtok_r(rest, ",", &rest)))
{
int l = line++;
regex_t *reg = &out->regex[l];
r = regcomp(reg, token, REG_EXTENDED);
if(r)
{
fprintf(stderr, _("Cannot compile regex %s: %d.\n"), token, r);
return r;
}
}
return r;
}
void mcin_matcher_free(MCINMatcher *matcher)
{
regfree(&matcher->regex_master);
for(int i = 0; i < MCIN_REGEX_COUNT; i ++)
{
regfree(&matcher->regex[i]);
}
}
char *mcin_matcher_match(MCINMatcher *matcher, const char *str)
{
regmatch_t pmatch[5];
if(regexec(&matcher->regex_master, str, 5, pmatch, 0)) return 0;
char *temp_str = calloc(strlen(str) + 1, sizeof(char));
for(int i = 1 /* Ignore the string itself */; i < 5; i ++)
{
const regmatch_t match = pmatch[i];
if(match.rm_so == -1)
{
// Shouldn't happen if the string is valid.
free(temp_str);
return NULL;
}
if(i != 2 && i != 3 && i != 4) continue; // We don't care.
int length = match.rm_eo - match.rm_so;
for(int j = 0; j < length; j ++)
{
temp_str[j] = str[match.rm_so + j];
}
temp_str[length] = '\0';
if(i == 2) /* Tag */
{
if(strcmp(temp_str, "Server thread"))
{
free(temp_str);
return NULL;
}
}
if(i == 3) /* Level */
{
if(strcmp(temp_str, "INFO"))
{
free(temp_str);
return NULL;
}
}
if(i == 4) // Data
break;
}
for(int i = 0; i < MCIN_REGEX_COUNT; i ++)
{
if(!regexec(&matcher->regex[i], str, 0, NULL, 0))
{
return temp_str;
}
}
free(temp_str);
return NULL;
}
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