Merge pull request 'Added char functions' (#63) from YanTheKaller/libublsettings:master into master

Reviewed-on: #63

source/libublsettings-char.c

@@ -109,6 +109,38 @@ char *yon_cut(char *source, int size, int startpos)
     return NULL;
 }
 
+int yon_char_check_element(char *target, char *element, char *divider){
+    if (yon_char_is_empty(target)||yon_char_is_empty(element)||yon_char_is_empty(divider)) return 0;
+    int size;
+    config_str parsed = yon_char_parse(target,&size,divider);
+    int found = yon_char_parsed_check_exist(parsed,size,element);
+    yon_char_parsed_free(parsed,size);
+    return !!found;
+    return 0;
+}
+
+// char *yon_char_remove_element(char *target, char *element, char *divider){
+//     if (!yon_char_check_element(target,element,divider)) return NULL;
+//     int size;
+//     config_str parsed = yon_char_parse(target,&size,divider);
+//     int found = yon_char_parsed_check_exist(parsed,size,element);
+//     yon_char_parsed_rip(parsed,&size,found);
+//     char *final = yon_char_parsed_to_string(parsed,size,divider);
+//     yon_char_parsed_free(parsed,size);
+
+//     return final;
+// }
+
+int yon_char_add_element(char *target, char *element, int position, char *divider){
+    if (!yon_char_check_element(target,element,divider)) return 0;
+    int size;
+    config_str parsed = yon_char_parse(target,&size,divider);
+    if (position>size) position = size;
+    yon_char_parsed_add_or_create_if_exists(parsed,&size,element);
+    memcpy(parsed+position+1,parsed+position,sizeof(parsed)-sizeof(char*)*(size-position-1));
+    return 1;
+}
+
 int yon_char_check_begins_with(char *haystack, char *needle){
     if (!yon_char_is_empty(haystack)&&!yon_char_is_empty(needle)&&strlen(haystack)>=strlen(needle)){
         int size = strlen(needle);