block-parser: Enhance block_parser_register_function() with a destroy notify callback

1 files changed, 18 insertions, 2 deletions

diff --git a/src/block-parser.c b/src/block-parser.c
index 5c806cf..eb505ed 100644
--- a/src/block-parser.c
+++ b/src/block-parser.c
@@ -53,6 +53,7 @@ typedef struct {
 typedef struct {
   BlockParserConditionalFunction callback;
   gpointer user_data;
+  GDestroyNotify data_destroy_func;
 } BlockParserFuncData;
 
 
@@ -70,6 +71,20 @@ block_parser_destroy_notify (gpointer data)
   g_free (d);
 }
 
+static void
+block_parser_func_data_destroy_notify (gpointer data)
+{
+  BlockParserFuncData *d = data;
+
+  if (data == NULL)
+    return;
+
+  if (d->data_destroy_func != NULL)
+    d->data_destroy_func (d->user_data);
+  g_free (d);
+}
+
+
 BlockParser *
 block_parser_new ()
 {
@@ -77,7 +92,7 @@ block_parser_new ()
 
   parser = g_new0 (BlockParser, 1);
   parser->table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, block_parser_destroy_notify);
-  parser->functions = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+  parser->functions = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, block_parser_func_data_destroy_notify);
   parser->active_tree = g_queue_new ();
 
   return parser;
@@ -133,7 +148,7 @@ block_parser_register_key (BlockParser *parser, const gchar *key, const gchar *r
  *
  */
 void
-block_parser_register_function (BlockParser *parser, const gchar *conditional_name, BlockParserConditionalFunction callback, gpointer user_data)
+block_parser_register_function (BlockParser *parser, const gchar *conditional_name, BlockParserConditionalFunction callback, gpointer user_data, GDestroyNotify data_destroy_func)
 {
   BlockParserFuncData *func_data;
 
@@ -142,6 +157,7 @@ block_parser_register_function (BlockParser *parser, const gchar *conditional_na
   func_data = g_malloc0 (sizeof (BlockParserFuncData));
   func_data->callback = callback;
   func_data->user_data = user_data;
+  func_data->data_destroy_func = data_destroy_func;
 
   g_hash_table_insert (parser->functions, g_strdup (conditional_name), func_data);
 }