Initial commitv0.99.0

1 files changed, 203 insertions, 0 deletions

diff --git a/items.c b/items.c
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+/*   Cataract - Static web photo gallery generator
+ *   Copyright (C) 2008 Tomas Bzatek <tbzatek@users.sourceforge.net>
+ *   
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or any later version.
+ *   
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *   
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <libxml/xmlmemory.h>
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
+#include "items.h"
+#include "xml-parser.h"
+
+
+
+/*
+ *   parse_album_xml: XML parser for gallery index.xml files  
+ */ 
+gboolean 
+parse_album_xml (const char *filename, TAlbum *index)
+{
+  TXMLFile *xml;
+  char *gallery_type;
+  int count;
+  int i;
+  char *s;
+  TIndexItem *item;
+  
+  xml = xml_parser_load (filename);
+  if (xml == NULL)
+	  return FALSE;
+  
+  /*  Initialize data struct  */
+  if (index == NULL) 
+    index = malloc (sizeof (TAlbum));
+  memset (index, 0, sizeof (TAlbum));
+
+  index->base_dir = g_path_get_dirname (filename);
+
+  /*  Retrieve gallery type  */
+  gallery_type = xml_file_get_node_attribute (xml, "/gallery", "type");
+  #ifdef __DEBUG_ALL__
+    printf("gallery_type = %s\n", gallery_type);
+  #endif
+  if (strcmp (gallery_type, "index") == 0)
+	  index->type = GALLERY_TYPE_INDEX;
+  else  
+  if (strcmp (gallery_type, "album") == 0)
+	  index->type = GALLERY_TYPE_ALBUM;
+  else {
+    printf ("Invalid gallery type (%s)\n", gallery_type);
+    free (index);
+    return FALSE;
+  }
+  
+  /*  Section General  */
+  index->ID = xml_file_get_node_value (xml, "/gallery/general/ID/text()");
+  index->title = xml_file_get_node_value (xml, "/gallery/general/title/text()");
+  index->desc = xml_file_get_node_value (xml, "/gallery/general/description/text()");
+  
+  index->quality = xml_file_get_node_attribute_long (xml, "/gallery/general/images", "quality", -1);
+  index->landscape_width = xml_file_get_node_attribute_long (xml, "/gallery/general/images", "landscape_w", 0);
+  index->landscape_height = xml_file_get_node_attribute_long (xml, "/gallery/general/images", "landscape_h", 0);
+  index->portrait_width = xml_file_get_node_attribute_long (xml, "/gallery/general/images", "portrait_w", 0);
+  index->portrait_height = xml_file_get_node_attribute_long (xml, "/gallery/general/images", "portrait_h", 0);
+
+  /*  Section Items  */
+  count = xml_file_node_get_children_count (xml, "/gallery/items/item");
+  index->items = g_ptr_array_new();
+  
+  for (i = 0; i < count; i++)
+  {
+    item = malloc (sizeof (TIndexItem));
+    memset (item, 0, sizeof (TIndexItem));
+
+    s = g_strdup_printf ("/gallery/items/item[%d]", i + 1);
+    if (index->type == GALLERY_TYPE_INDEX) 
+      item->path = xml_file_get_node_attribute (xml, s, "path");
+    else 
+      item->path = xml_file_get_node_attribute (xml, s, "src");
+    item->preview = xml_file_get_node_attribute (xml, s, "preview");
+    item->quality = xml_file_get_node_attribute_long (xml, s, "quality", -1);
+    item->width = xml_file_get_node_attribute_long (xml, s, "width", 0);
+    item->height = xml_file_get_node_attribute_long (xml, s, "height", 0);
+    g_free (s);
+
+    s = g_strdup_printf ("/gallery/items/item[%d]/title/text()", i + 1);
+    item->title = xml_file_get_node_value (xml, s);
+    g_free (s);
+    
+    s = g_strdup_printf ("/gallery/items/item[%d]/title_description/text()", i + 1);
+    item->title_description = xml_file_get_node_value (xml, s);
+    g_free (s);
+    
+    s = g_strdup_printf ("/gallery/items/item[%d]/thumbnail", i + 1);
+    item->thumbnail = xml_file_get_node_attribute (xml, s, "src");
+    g_free (s);
+    
+    s = g_strdup_printf ("/gallery/items/item[%d]/nofullsize", i + 1);
+    item->nofullsize = xml_file_get_node_present (xml, s);
+    g_free (s);
+
+    g_ptr_array_add (index->items, item);       
+  }
+	 
+  xml_parser_close (xml);
+  
+  /*  Print the items  */
+  #ifdef __DEBUG_ALL__
+    printf("ID = '%s'\ntitle = '%s'\ndescription = '%s'\n", index->ID, index->title, index->desc);
+    for (i = 0; i < index->items->len; i++) {
+      TIndexItem *item = g_ptr_array_index(index->items, i);
+      printf("item %d: path = '%s', title = '%s', title_description = '%s', thumbnail = '%s'\n",
+             i, item->path, item->title, item->title_description, item->thumbnail);
+    }
+  #endif
+  return TRUE;   
+}
+
+
+/*
+ *   free_album_data: free allocated album data
+ */
+void 
+free_album_data (TAlbum *album)
+{
+  if (album) {
+    if (album->ID) 
+    	free (album->ID);
+    if (album->title)
+    	free (album->title);
+    if (album->desc)
+    	free (album->desc);
+    if (album->base_dir)
+    	free (album->base_dir);
+    
+    if (album->items) {
+      if (album->items->len > 0) {
+        TIndexItem *item;
+        int i;
+        
+        for (i = 0; i < album->items->len; i++) {
+          item = g_ptr_array_index (album->items, i);
+          if (item != NULL) {
+            if (item->path)
+            	free (item->path);
+            if (item->title)
+            	free (item->title);
+            if (item->title_description)
+            	free (item->title_description);
+            if (item->thumbnail)
+            	free (item->thumbnail);
+            if (item->preview)
+            	free (item->preview);
+            free (item);
+          }
+        }
+      }
+      g_ptr_array_free (album->items, TRUE); 
+    }
+    free (album);
+    album = NULL;    
+  }
+}
+
+
+/*
+ *   get_gallery_objects_count: retrieve number of items in specified album  
+ */ 
+int 
+get_album_objects_count (const char *filename)
+{
+  TXMLFile *xml;
+  int count;
+  
+  xml = xml_parser_load (filename);
+  if (xml == NULL)
+	  return 0;
+  
+  count = xml_file_node_get_children_count (xml, "/gallery/items/item");
+  xml_parser_close (xml);
+
+  #ifdef __DEBUG_ALL__
+    printf ("get_objects_count(%s) = %d\n", filename, count);
+  #endif
+  return count;
+}