block-parser: Clear processed data for further use

This change will allow certain blocks to be present multiple times
and processed independently within a single page.

3 files changed, 37 insertions, 3 deletions

diff --git a/src/block-parser.c b/src/block-parser.c
index 48c7671..f4ed78b 100644
--- a/src/block-parser.c
+++ b/src/block-parser.c
@@ -220,6 +220,26 @@ block_parser_set_as_used (BlockParser *parser, const gchar *key)
   }
 }
 
+/*
+ *   block_parser_clear_key_data: clear stored data block for the key
+ *
+ */
+void
+block_parser_clear_key_data (BlockParser *parser, const gchar *key)
+{
+  BlockData *data = NULL;
+
+  g_assert (parser != NULL);
+
+  data = g_hash_table_lookup (parser->table, key);
+  if (data != NULL) {
+    g_free (data->data);
+    data->data = NULL;
+    data->used = FALSE;
+    data->finished = FALSE;
+  }
+}
+
 
 
 /* -------------------------------------------------------------------------------------------------------- */
diff --git a/src/block-parser.h b/src/block-parser.h
index 5d8b69c..c5a1d9e 100644
--- a/src/block-parser.h
+++ b/src/block-parser.h
@@ -78,6 +78,12 @@ gboolean block_parser_has_unused_data (BlockParser *parser, const gchar *key);
 void block_parser_set_as_used (BlockParser *parser, const gchar *key);
 
 /*
+ *   block_parser_clear_key_data: clear stored data block for the key
+ *
+ */
+void block_parser_clear_key_data (BlockParser *parser, const gchar *key);
+
+/*
  *   block_parser_process: parse input data
  *      - if there's a multiline block, string before the opening placeholder and
  *        string after closing placeholder are returned on one line,
diff --git a/src/generators.c b/src/generators.c
index b9df04c..4648f49 100644
--- a/src/generators.c
+++ b/src/generators.c
@@ -1199,8 +1199,11 @@ write_html_page (TGallerySetup *setup,
       replace_table_process (&s1, global_replace_table);
       replace_table_add_key (global_replace_table, "IMG_LIST", s1);
       g_free (s1);
-      /*  We don't use data from this key directly, let's mark it as used since we've built the structure we needed.  */
-      block_parser_set_as_used (block_parser, "IMG_LIST");
+      /*  Clear processed nested keys for further use  */
+      block_parser_clear_key_data (block_parser, "IMG_LIST");
+      block_parser_clear_key_data (block_parser, "LIST_PICTURE");
+      block_parser_clear_key_data (block_parser, "LIST_SEPARATOR");
+      block_parser_clear_key_data (block_parser, "LIST_INTERSPACE");
     }
 
     if (block_parser_has_unused_data (block_parser, "NAV_BAR")) {
@@ -1210,7 +1213,12 @@ write_html_page (TGallerySetup *setup,
       replace_table_process (&s1, global_replace_table);
       replace_table_add_key (global_replace_table, "NAV_BAR", s1);
       g_free (s1);
-      block_parser_set_as_used (block_parser, "NAV_BAR");
+      block_parser_clear_key_data (block_parser, "NAV_BAR");
+      block_parser_clear_key_data (block_parser, "NAV_BAR_FIRST");
+      block_parser_clear_key_data (block_parser, "NAV_BAR_ELEM");
+      block_parser_clear_key_data (block_parser, "NAV_BAR_LAST");
+      block_parser_clear_key_data (block_parser, "NAV_BAR_CURRENT");
+      block_parser_clear_key_data (block_parser, "NAV_BAR_CURRENT_ROOT");
     }
 
     /*  Replace all known tags  */