From 3889e10610da7915544d8ad865b2f9385c6dc383 Mon Sep 17 00:00:00 2001
From: ache <ache@ache.one>
Date: Sat, 27 May 2017 18:38:45 +0200
Subject: New files

---
 regex.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 regex.c

(limited to 'regex.c')

diff --git a/regex.c b/regex.c
new file mode 100644
index 0000000..b7f19aa
--- /dev/null
+++ b/regex.c
@@ -0,0 +1,151 @@
+#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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