vector: Additional string vector definitions.
[asterisk/asterisk.git] / main / strings.c
index 82e315a..ad96df2 100644 (file)
@@ -40,6 +40,7 @@
 #include <regex.h>
 #include "asterisk/strings.h"
 #include "asterisk/pbx.h"
+#include "asterisk/vector.h"
 
 /*!
  * core handler for dynamic strings.
@@ -389,3 +390,44 @@ char *ast_read_line_from_buffer(char **buffer)
 
        return start;
 }
+
+int ast_vector_string_split(struct ast_vector_string *dest,
+       const char *input, const char *delim, int flags,
+       int (*excludes_cmp)(const char *s1, const char *s2))
+{
+       char *buf;
+       char *cur;
+       int no_trim = flags & AST_VECTOR_STRING_SPLIT_NO_TRIM;
+       int allow_empty = flags & AST_VECTOR_STRING_SPLIT_ALLOW_EMPTY;
+
+       ast_assert(dest != NULL);
+       ast_assert(!ast_strlen_zero(delim));
+
+       if (ast_strlen_zero(input)) {
+               return 0;
+       }
+
+       buf = ast_strdupa(input);
+       while ((cur = strsep(&buf, delim))) {
+               if (!no_trim) {
+                       cur = ast_strip(cur);
+               }
+
+               if (!allow_empty && ast_strlen_zero(cur)) {
+                       continue;
+               }
+
+               if (excludes_cmp && AST_VECTOR_GET_CMP(dest, cur, !excludes_cmp)) {
+                       continue;
+               }
+
+               cur = ast_strdup(cur);
+               if (!cur || AST_VECTOR_APPEND(dest, cur)) {
+                       ast_free(cur);
+
+                       return -1;
+               }
+       }
+
+       return 0;
+}