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#include "regex.h"
#define MAX_ERROR_MSG 0x1000
/* Compile the regular expression described by "regex_text" into
"r". */
static int compile_regex (regex_t * r, const char * regex_text)
{
int status = regcomp (r, regex_text, REG_EXTENDED|REG_NEWLINE);
if (status != 0) {
char error_message[MAX_ERROR_MSG];
regerror (status, r, error_message, MAX_ERROR_MSG);
printf ("Regex error compiling '%s': %s\n",
regex_text, error_message);
return 1;
}
return 0;
}
/*
Match the string in "to_match" against the compiled regular
expression in "r".
*/
static int match_regex (const char* rS, const char * to_match, char* m2[], int nbR)
{
regex_t* r = malloc(sizeof *r);
compile_regex(r, rS);
fprintf(stderr, "%d - %d\n", nbR, r->re_nsub);
if( nbR != r->re_nsub && nbR > 0)
return 0;
regmatch_t m[r->re_nsub+1];
/* "P" is a pointer into the string which points to the end of the
previous match. */
/* "N_matches" is the maximum number of matches allowed. */
/* "M" contains the matches found. */
int rs = regexec (r, to_match /* if only 1 match, set it to to_match */,
nbR > 0 ? r->re_nsub+1: 0 /* nbMatch Max */, m /* res */, 0);
// regexec(&re, line, 2, rm, 0)
if( !rs ) {
fprintf(stderr,"<<%s>>\n", to_match);
// fprintf(stderr,"Line: <<%.*s>>\n", (int)(m[0].rm_eo - m[0].rm_so), to_match + m[0].rm_so);
}
if( m2 )
for(int i = 1 ; i < (r->re_nsub +1) ; i++) {
m2[i-1] = malloc( (unsigned int)(m[i].rm_eo - m[i].rm_so) + 1);
m2[i-1][m[i].rm_eo - m[i].rm_so] = 0;
strncpy(m2[i-1], to_match+m[i].rm_so, m[i].rm_eo - m[i].rm_so);
fprintf(stderr,"Text: <<%.*s>>\n", (int)(m[i].rm_eo - m[i].rm_so), to_match + m[i].rm_so);
}
return !rs;
/*
{
if( !rs )
free(r);
}
*/
return 1;
/*
while (1) {
int i = 0;
int nomatch = regexec (r, p, n_matches, m, 0);
if (nomatch) {
printf ("No more matches.\n");
return nomatch;
}
for (i = 0; i < n_matches; i++) {
int start;
int finish;
if (m[i].rm_so == -1) {
break;
}
start = m[i].rm_so + (p - to_match);
finish = m[i].rm_eo + (p - to_match);
if (i == 0) {
printf ("$& is ");
}
else {
printf ("$%d is ", i);
}
printf ("'%.*s' (bytes %d:%d)\n", (finish - start),
to_match + start, start, finish);
}
p += m[0].rm_eo;
}
return 0;
*/
}
void regexSelection(menuC* menu, const char* msg) {
for(int i = 0 ; i < menu->nbElem ; i++ ) {
if( match_regex(msg, menu->list[i].cstr, NULL, -1 ) ) {
menu->list[i].selected = 1;
}
}
}
void regexXtract(itemC* it, const char* msg) {
char* tmp = strrchr( msg , '/' );
if( !msg || !*msg || !tmp) {
return;
}
char *regexS = malloc(tmp-msg+1);
strncpy( regexS, msg, tmp-msg);
regexS[tmp - msg] = 0;
char* const line = it->cstr;
char** tab = NULL;
tmp++;
int nbR = strlen(tmp);
tab = malloc( sizeof *tab * (nbR+1));
if( match_regex(regexS, line, tab, nbR ) ) {
fprintf(stderr, "Hello");
for(int i = 0 ; i < nbR ; i++) {
fprintf(stderr, "<<%s>>\n", tab[i]);
switch(tmp[i]) {
case 't':
taglib_tag_set_title(it->info.tag, tab[i]);
break;
case 'a':
taglib_tag_set_artist(it->info.tag, tab[i]);
break;
case 'b':
taglib_tag_set_album(it->info.tag, tab[i]);
break;
case 'y':
break;
case 'n':
break;
case 'g':
taglib_tag_set_genre(it->info.tag, tab[i]);
break;
case 'c':
taglib_tag_set_comment(it->info.tag, tab[i]);
break;
default:
;
}
taglib_file_save(it->info.file);
}
}
}
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