Move filter code into pan-fiew-filter.{c,h}

[geeqie.git] / src / pan-view / pan-view-filter.c

diff --git a/src/pan-view/pan-view-filter.c b/src/pan-view/pan-view-filter.c
index 38eff62..5c0daa2 100644 (file)
--- a/src/pan-view/pan-view-filter.c
+++ b/src/pan-view/pan-view-filter.c
@@ -22,9 +22,11 @@
 #include "pan-view-filter.h"
 
 #include "image.h"
+#include "metadata.h"
 #include "pan-item.h"
 #include "pan-util.h"
 #include "pan-view.h"
+#include "ui_fileops.h"
 #include "ui_tabcomp.h"
 #include "ui_misc.h"
 
@@ -199,3 +201,58 @@ void pan_filter_toggle_visible(PanWindow *pw, gboolean enable)
                        }
                }
 }
+
+gboolean pan_filter_fd_list(GList **fd_list, GHashTable *kw_table, PanViewFilterMode mode)
+{
+       GList *work;
+       gboolean modified = FALSE;
+       GHashTableIter kw_iter;
+       gchar *filter_kw;
+
+
+       if (!fd_list || !*fd_list || g_hash_table_size(kw_table) == 0) return modified;
+
+       // TODO(xsdg): Pay attention to filter mode.
+       work = *fd_list;
+       while (work)
+               {
+               FileData *fd = work->data;
+               GList *last_work = work;
+               work = work->next;
+
+               // TODO(xsdg): OPTIMIZATION Do the search inside of metadata.c to avoid a
+               // bunch of string list copies.
+               GList *img_keywords = metadata_read_list(fd, KEYWORD_KEY, METADATA_PLAIN);
+               if (!img_keywords)
+                       {
+                       *fd_list = g_list_delete_link(*fd_list, last_work);
+                       modified = TRUE;
+                       continue;
+                       }
+
+               gint match_count = 0;
+               gint miss_count = 0;
+               g_hash_table_iter_init(&kw_iter, kw_table);
+               while (g_hash_table_iter_next(&kw_iter, (void**)&filter_kw, NULL))
+                       {
+                       if (g_list_find_custom(img_keywords, filter_kw, (GCompareFunc)g_strcmp0))
+                               {
+                               ++match_count;
+                               }
+                       else
+                               {
+                               ++miss_count;
+                               }
+                       if (miss_count > 0) break;
+                       }
+
+               string_list_free(img_keywords);
+               if (miss_count > 0 || match_count == 0)
+                       {
+                       *fd_list = g_list_delete_link(*fd_list, last_work);
+                       modified = TRUE;
+                       }
+               }
+
+       return modified;
+}