diff options
Diffstat (limited to 'src/tracker-extract/tracker-extract-xmp.c')
| -rw-r--r-- | src/tracker-extract/tracker-extract-xmp.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/src/tracker-extract/tracker-extract-xmp.c b/src/tracker-extract/tracker-extract-xmp.c deleted file mode 100644 index 44c035c40..000000000 --- a/src/tracker-extract/tracker-extract-xmp.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (C) 2007, Jason Kivlighn <jkivlighn@gmail.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include "config.h" - -#include <errno.h> -#include <fcntl.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <sys/mman.h> - -#include <glib.h> -#include <glib/gstdio.h> - -#include <gio/gio.h> - -#include <libtracker-common/tracker-file-utils.h> - -#include <libtracker-extract/tracker-extract.h> - -/* This function is used to find the URI for a file.xmp file. The point here is - * that the URI for file.xmp is not file:///file.xmp but instead for example - * file:///file.jpeg or file:///file.png. The reason is that file.xmp is a - * sidekick, and a sidekick doesn't describe itself, it describes another file. */ - -static gchar * -find_orig_uri (const gchar *xmp_filename) -{ - GFile *file; - GFile *dir; - GFileEnumerator *iter; - GFileInfo *orig_info; - const gchar *filename_a; - gchar *found_file = NULL; - - file = g_file_new_for_path (xmp_filename); - dir = g_file_get_parent (file); - - orig_info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_NAME, - G_FILE_QUERY_INFO_NONE, - NULL, NULL); - - filename_a = g_file_info_get_name (orig_info); - - iter = g_file_enumerate_children (dir, G_FILE_ATTRIBUTE_STANDARD_NAME, - G_FILE_QUERY_INFO_NONE, - NULL, NULL); - - if (iter) { - GFileInfo *info; - - while ((info = g_file_enumerator_next_file (iter, NULL, NULL)) && !found_file) { - const gchar *filename_b; - const gchar *ext_a, *ext_b; - gchar *casefold_a, *casefold_b; - - /* OK, important: - * 1. Files can't be the same. - * 2. File names (without extension) must match - * 3. Something else? */ - - filename_b = g_file_info_get_name (info); - - ext_a = g_utf8_strrchr (filename_a, -1, '.'); - ext_b = g_utf8_strrchr (filename_b, -1, '.'); - - /* Look for extension */ - if (!ext_a || !ext_b) { - g_object_unref (info); - continue; - } - - /* Name part is the same length */ - if ((ext_a - filename_a) != (ext_b - filename_b)) { - g_object_unref (info); - continue; - } - - /* Check extensions are not the same (i.e. same len and ext) */ - if (g_strcmp0 (ext_a, ext_b) == 0) { - g_object_unref (info); - continue; - } - - /* Don't compare the ".xmp" with ".jpeg" and don't match the same file */ - - /* Now compare name (without ext) and make - * sure they are the same in a caseless - * compare. */ - - casefold_a = g_utf8_casefold (filename_a, (ext_a - filename_a)); - casefold_b = g_utf8_casefold (filename_b, (ext_b - filename_b)); - - if (g_strcmp0 (casefold_a, casefold_b) == 0) { - GFile *found; - - found = g_file_get_child (dir, filename_b); - found_file = g_file_get_uri (found); - g_object_unref (found); - } - - g_free (casefold_a); - g_free (casefold_b); - g_object_unref (info); - } - - g_object_unref (iter); - } - - g_object_unref (orig_info); - g_object_unref (file); - g_object_unref (dir); - - return found_file; -} - -G_MODULE_EXPORT gboolean -tracker_extract_get_metadata (TrackerExtractInfo *info) -{ - TrackerResource *resource; - TrackerXmpData *xd = NULL; - gchar *filename, *uri; - gchar *contents; - gsize length = 0; - GFile *file; - int fd; - struct stat st; - - file = tracker_extract_info_get_file (info); - filename = g_file_get_path (file); - - fd = tracker_file_open_fd (filename); - - if (fd == -1) { - g_warning ("Could not open xmp file '%s': %s\n", - filename, - g_strerror (errno)); - g_free (filename); - return FALSE; - } - - if (fstat (fd, &st) == -1) { - g_warning ("Could not fstat xmp file '%s': %s\n", - filename, - g_strerror (errno)); - close (fd); - g_free (filename); - return FALSE; - } - - if (st.st_size == 0) { - contents = NULL; - length = 0; - } else { - contents = (gchar *) mmap (NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); - if (contents == NULL) { - g_warning ("Could not mmap xmp file '%s': %s\n", - filename, - g_strerror (errno)); - close (fd); - g_free (filename); - return FALSE; - } - length = st.st_size; - } - - uri = g_file_get_uri (file); - - if (contents) { - gchar *original_uri; - - original_uri = find_orig_uri (filename); - - /* If no orig file is found for the sidekick, we use the sidekick to - * describe itself instead, falling back to uri - */ - xd = tracker_xmp_new (contents, - length, - original_uri ? original_uri : uri); - - if (xd) { - resource = tracker_resource_new (NULL); - - tracker_xmp_apply_to_resource (resource, xd); - - tracker_extract_info_set_resource (info, resource); - g_object_unref (resource); - } - - g_free (original_uri); - tracker_xmp_free (xd); - g_free (filename); - g_free (uri); - - munmap (contents, length); - - close (fd); - - return TRUE; - } - - close (fd); - g_free (filename); - g_free (uri); - - return FALSE; -} |