Initial commitv0.99.0

1 files changed, 225 insertions, 0 deletions

diff --git a/setup.c b/setup.c
new file mode 100644
index 0000000..5f31a41
--- /dev/null
+++ b/setup.c
@@ -0,0 +1,225 @@
+/*   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 <errno.h>
+#include <unistd.h>
+
+#include <libxml/xmlmemory.h>
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
+#include <glib.h>
+
+#include "config.h"
+#include "gallery-utils.h"
+#include "setup.h"
+#include "xml-parser.h"
+
+
+
+/*
+ *   find_setup_xml: try to find setup.xml in standard paths   
+ */ 
+gboolean 
+find_setup_xml (TGallerySetup *setup)
+{
+  #define BUFFER_SIZE 65536
+
+  char *pth;
+  char *cwd;
+  gboolean b;
+  
+  cwd = malloc (BUFFER_SIZE);
+  cwd = getcwd (cwd, BUFFER_SIZE); 
+  pth = g_strconcat (cwd, "/", SETUP_XML, NULL);
+  free (cwd);
+  
+  b = parse_setup_xml (pth, setup);
+  g_free (pth);
+  if (b)  return TRUE;
+	  
+  pth = g_strconcat (getenv ("HOME"), "/.cgg/", SETUP_XML, NULL);
+  b = parse_setup_xml (pth, setup);
+  g_free (pth);
+  if (b)  return TRUE;
+    
+  pth = g_strconcat("/usr/share/cgg/", SETUP_XML, NULL);
+  b = parse_setup_xml (pth, setup);
+  g_free (pth);
+  if (b)  return TRUE;
+
+  pth = g_strconcat("/usr/local/share/cgg/", SETUP_XML, NULL);
+  b = parse_setup_xml (pth, setup);
+  g_free (pth);
+  return b;
+}
+
+
+/*
+ *   parse_setup_xml: XML parser for setup.xml file  
+ */ 
+gboolean
+parse_setup_xml (const char *filename, TGallerySetup *setup)
+{
+  TXMLFile *xml;
+  
+  xml = xml_parser_load (filename);
+  if (xml == NULL)
+	  return FALSE;
+  
+  /*  initialize data struct  */
+  if (setup == NULL)
+	  return FALSE;
+  memset (setup, 0, sizeof (TGallerySetup));
+  setup->setup_xml_path = strdup (filename);
+
+  setup->templates_path = xml_file_get_node_value (xml, "/gallery_setup/templates/path/text()");
+  setup->template_index = xml_file_get_node_value (xml, "/gallery_setup/templates/index/text()");
+  setup->template_album = xml_file_get_node_value (xml, "/gallery_setup/templates/album/text()");
+  setup->template_photo = xml_file_get_node_value (xml, "/gallery_setup/templates/photo/text()");
+  setup->styles = xml_file_get_node_value (xml, "/gallery_setup/templates/styles/text()");
+  setup->scripts = xml_file_get_node_value (xml, "/gallery_setup/templates/scripts/text()");
+  setup->thumbnail_landscape_width = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/thumbnail", "landscape_w", 0);
+  setup->thumbnail_landscape_height = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/thumbnail", "landscape_h", 0);
+  setup->thumbnail_portrait_width = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/thumbnail", "portrait_w", 0);
+  setup->thumbnail_portrait_height = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/thumbnail", "portrait_h", 0);
+  setup->thumbnail_quality = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/thumbnail", "quality", -1);
+  setup->preview_landscape_width = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/preview", "landscape_w", 0);
+  setup->preview_landscape_height = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/preview", "landscape_h", 0);
+  setup->preview_portrait_width = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/preview", "portrait_w", 0);
+  setup->preview_portrait_height = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/preview", "portrait_h", 0);
+  setup->preview_quality = xml_file_get_node_attribute_long (xml, "/gallery_setup/images/preview", "quality", -1);
+  setup->footer = xml_file_get_node_value (xml, "/gallery_setup/footer/text()");
+  
+  xml_parser_close (xml);
+  
+  #ifdef __DEBUG_ALL__
+    printf("setup: templates_path = '%s'\n", setup->templates_path);  
+    printf("setup: template_index = '%s'\n", setup->template_index);  
+    printf("setup: template_album = '%s'\n", setup->template_album);  
+    printf("setup: template_photo = '%s'\n", setup->template_photo);  
+    printf("setup: styles = '%s'\n", setup->styles);  
+    printf("setup: scripts = '%s'\n", setup->scripts);  
+    printf("setup: thumbnail_quality = %d\n", setup->thumbnail_quality);  
+    printf("setup: thumbnail_landscape_width = %ld\n", setup->thumbnail_landscape_width);  
+    printf("setup: thumbnail_landscape_height = %ld\n", setup->thumbnail_landscape_height);  
+    printf("setup: thumbnail_portrait_width = %ld\n", setup->thumbnail_portrait_width);  
+    printf("setup: thumbnail_portrait_height = %ld\n", setup->thumbnail_portrait_height);  
+    printf("setup: preview_quality = %d\n", setup->preview_quality);  
+    printf("setup: preview_landscape_width = %ld\n", setup->preview_landscape_width);  
+    printf("setup: preview_landscape_height = %ld\n", setup->preview_landscape_height);  
+    printf("setup: preview_portrait_width = %ld\n", setup->preview_portrait_width);  
+    printf("setup: preview_portrait_height = %ld\n", setup->preview_portrait_height);  
+    printf("setup: footer = '%s'\n", setup->footer);  
+  #endif
+
+  return TRUE;   
+}
+
+
+
+int 
+test_tmpl_access (const char *dir, const char *path)
+{
+  char *s;
+  int b;
+
+  s = g_strconcat (dir, "/", path, NULL);
+  b = access (s, R_OK);
+  g_free (s);
+  return b;
+}
+
+int 
+test_tmpl_files (const char *dir, TGallerySetup *setup)
+{
+  return test_tmpl_access (dir, setup->template_album) | test_tmpl_access (dir, setup->template_photo) |
+         test_tmpl_access (dir, setup->template_index) | test_tmpl_access (dir, setup->styles) | 
+         test_tmpl_access (dir, setup->scripts);
+}
+
+/*
+ *   find_templates_directory: absolute/relative path checks, trying to find templates directory    
+ *                             - returned string should be freed    
+ */ 
+char *
+find_templates_directory (TGallerySetup *setup)
+{
+  char *base_dir;
+  char *pth; 
+	
+  if (IS_DIR_SEP (*setup->templates_path)) 
+    {
+      #ifdef __DEBUG_ALL__
+        printf("Warning: using absolute paths to templates\n");
+      #endif
+  
+      if (! test_tmpl_files (setup->templates_path, setup))
+    	  return strdup (setup->templates_path);
+    } 
+  else 
+    {
+      base_dir = g_path_get_dirname (setup->setup_xml_path);
+	  pth = g_strconcat (base_dir, "/", setup->templates_path, NULL);
+	  g_free (base_dir);
+	  
+	  #ifdef __DEBUG_ALL__
+	    printf("Warning: using relative paths to templates\n");
+	  #endif
+	    
+	  if (! test_tmpl_files (pth, setup)) 
+		  return pth;
+    }    
+
+  fprintf (stderr, "Couldn't find proper templates directory (tried '%s')\n", setup->templates_path);
+  return NULL;
+}
+
+
+/*
+ *   free_setup_data: free allocated setup data
+ */
+void 
+free_setup_data (TGallerySetup *setup)
+{
+  if (setup) {
+    if (setup->real_templates_dir) 
+    	free (setup->real_templates_dir);
+    if (setup->setup_xml_path)
+    	free (setup->setup_xml_path);
+    if (setup->templates_path)
+    	free (setup->templates_path);
+    if (setup->template_index)
+    	free (setup->template_index);
+    if (setup->template_album)
+    	free (setup->template_album);
+    if (setup->template_photo)
+    	free (setup->template_photo);
+    if (setup->styles)
+    	free (setup->styles);
+    if (setup->scripts)
+    	free (setup->scripts);
+    if (setup->footer)
+    	free (setup->footer);
+    free (setup);
+    setup = NULL;    
+  }
+}