Introduce conditional system

This is very basic scripting support - simple value retrieval and
block conditionals. Defines could be either static from theme setup
or programatically added during page generation.

1 files changed, 17 insertions, 2 deletions

diff --git a/src/setup.c b/src/setup.c
index 83c5504..3a2a66d 100644
--- a/src/setup.c
+++ b/src/setup.c
@@ -143,11 +143,12 @@ parse_design_setup_xml (const gchar *filename)
   TXMLFile *xml;
   gchar *s;
   gchar *s2;
+  gchar *s3;
   TGalleryDesign *design;
   TImageSize *image_size;
   TGalleryDesignTheme *theme;
-  int count;
-  int i;
+  int count, c;
+  int i, j;
 
   xml = xml_parser_load (filename);
   if (xml == NULL)
@@ -240,6 +241,19 @@ parse_design_setup_xml (const gchar *filename)
       g_free (s2);
     }
     g_free (s);
+
+    theme->defines = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+    s = g_strdup_printf ("/design_setup/theme[%d]/define", i + 1);
+    c = xml_file_node_get_children_count (xml, s);
+    g_free (s);
+    for (j = 0; j < c; j++) {
+      s = g_strdup_printf ("/design_setup/theme[%d]/define[%d]", i + 1, j + 1);
+      s2 = xml_file_get_node_attribute (xml, s, "name");
+      s3 = xml_file_get_node_attribute (xml, s, "value");
+      if (s2)
+        g_hash_table_replace (theme->defines, s2, s3 ? s3 : g_strdup (""));
+      g_free (s);
+    }
   }
 
   xml_parser_free (xml);
@@ -397,6 +411,7 @@ free_design_theme_data (TGalleryDesignTheme *theme)
     g_free (theme->picture_filename);
     g_free (theme->picture_image_size);
     g_strfreev (theme->supplemental_files);
+    g_hash_table_destroy (theme->defines);
     g_free (theme);
   }
 }