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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 <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 (DATADIR, "/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;
char *s;
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()");
s = xml_file_get_node_value (xml, "/gallery_setup/templates/template_files/text()");
if (s) {
setup->template_files = g_strsplit (s, "\n", -1);
free (s);
}
s = xml_file_get_node_attribute (xml, "/gallery_setup/templates/support_files_use_common_root", "value");
setup->support_files_use_common_root = s ? strcasecmp (s, "yes") == 0 : FALSE; /* default to FALSE */
if (s) g_free (s);
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()");
setup->border_style = xml_file_get_node_attribute (xml, "/gallery_setup/images/border", "style");
setup->meta_author = xml_file_get_node_value (xml, "/gallery_setup/meta/author/text()");
setup->meta_description = xml_file_get_node_value (xml, "/gallery_setup/meta/description/text()");
setup->meta_keywords = xml_file_get_node_value (xml, "/gallery_setup/meta/keywords/text()");
s = xml_file_get_node_attribute (xml, "/gallery_setup/images/preload", "value");
setup->preload = s ? strcasecmp (s, "yes") == 0 : TRUE; /* default to TRUE */
if (s) g_free (s);
s = xml_file_get_node_attribute (xml, "/gallery_setup/images/use_iptc_exif", "value");
setup->use_iptc_exif = s ? strcasecmp (s, "yes") == 0 : FALSE; /* default to FALSE */
if (s) g_free (s);
s = xml_file_get_node_attribute (xml, "/gallery_setup/images/erase_embed_thumbnail", "value");
setup->erase_exif_thumbnail = s ? strcasecmp (s, "yes") == 0 : FALSE; /* default to FALSE */
if (s) g_free (s);
s = xml_file_get_node_attribute (xml, "/gallery_setup/meta/use_title_as_meta", "value");
setup->use_title_as_meta = s ? strcasecmp (s, "yes") == 0 : TRUE; /* default to TRUE */
if (s) g_free (s);
setup->site_title = xml_file_get_node_attribute (xml, "/gallery_setup/meta/site", "title");
setup->add_copyright = xml_file_get_node_value (xml, "/gallery_setup/meta/add_copyright/text()");
s = xml_file_get_node_attribute (xml, "/gallery_setup/navigation/use_inpage_links", "value");
setup->use_inpage_links = s ? strcasecmp (s, "yes") == 0 : TRUE; /* default to TRUE */
if (s) g_free (s);
setup->nofullsize = xml_file_get_node_present (xml, "/gallery_setup/images/nofullsize");
setup->favicon_file = xml_file_get_node_value (xml, "/gallery_setup/meta/favicon/text()");
setup->favicon_type = xml_file_get_node_attribute (xml, "/gallery_setup/meta/favicon", "type");
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: 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);
printf("setup: border_style = '%s'\n", setup->border_style);
printf("setup: meta_author = '%s'\n", setup->meta_author);
printf("setup: meta_description = '%s'\n", setup->meta_description);
printf("setup: meta_keywords = '%s'\n", setup->meta_keywords);
printf("setup: preload = %d\n", setup->preload);
printf("setup: use_iptc_exif = %d\n", setup->use_iptc_exif);
printf("setup: erase_exif_thumbnail = %d\n", setup->erase_exif_thumbnail);
#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);
}
/*
* 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->template_files)
g_strfreev (setup->template_files);
if (setup->footer)
free (setup->footer);
if (setup->meta_author)
free (setup->meta_author);
if (setup->border_style)
free (setup->border_style);
if (setup->site_title)
free (setup->site_title);
if (setup->add_copyright)
free (setup->add_copyright);
if (setup->favicon_file)
free (setup->favicon_file);
if (setup->favicon_type)
free (setup->favicon_type);
free (setup);
setup = NULL;
}
}
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