--- /dev/null
+/* ev-convert-metadata.c
+ * this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * Evince 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
+ * (at your option) any later version.
+ *
+ * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+//#include <config.h>
+
+#include <gtk/gtk.h>
+#include <glib.h>
+#include <gio/gio.h>
+#include <glib/gi18n.h>
+#include <string.h>
+#include <libxml/tree.h>
+
+#define EV_METADATA_NAMESPACE "metadata::evince"
+
+typedef struct {
+ xmlNodePtr cur;
+ xmlChar *uri;
+} DocItem;
+
+typedef struct {
+ GtkWidget *progress;
+ GtkWidget *label;
+
+ xmlDocPtr doc;
+ GList *items;
+ GList *current;
+ guint n_item;
+} ConvertData;
+
+static void
+free_doc_item (DocItem *item)
+{
+ xmlFree (item->uri);
+ g_free (item);
+}
+
+static void
+convert_finish (ConvertData *data)
+{
+ g_list_foreach (data->items, (GFunc)free_doc_item, NULL);
+ g_list_free (data->items);
+ xmlFreeDoc (data->doc);
+ g_free (data);
+
+ gtk_main_quit ();
+}
+
+static gboolean
+convert_file (ConvertData *data)
+{
+ GFile *file;
+ DocItem *item;
+ const gchar *uri;
+ xmlNodePtr node;
+ xmlNodePtr cur;
+ gint total, current;
+ gchar *text;
+
+ if (!data->current)
+ return FALSE;
+
+ item = (DocItem *) data->current->data;
+ uri = (const gchar *)item->uri;
+ node = item->cur;
+ data->current = g_list_next (data->current);
+
+ /* Update progress information */
+ total = g_list_length (data->items);
+ current = ++(data->n_item);
+
+ text = g_strdup_printf (_("Converting %s"), uri);
+ gtk_label_set_text (GTK_LABEL (data->label), text);
+ g_free (text);
+
+ text = g_strdup_printf (_("%d of %d documents converted"), current, total);
+ gtk_progress_bar_set_text (GTK_PROGRESS_BAR (data->progress), text);
+ g_free (text);
+ gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (data->progress),
+ (gdouble)(current - 1) / total);
+
+ file = g_file_new_for_uri (uri);
+ if (!g_file_query_exists (file, NULL)) {
+ g_printerr ("Uri %s does not exist\n", uri);
+ g_object_unref (file);
+
+ return data->current != NULL;
+ }
+
+ for (cur = node->xmlChildrenNode; cur != NULL; cur = cur->next) {
+ xmlChar *key;
+ xmlChar *value;
+
+ if (xmlStrcmp (cur->name, (const xmlChar *)"entry") != 0)
+ continue;
+
+ key = xmlGetProp (cur, (const xmlChar *)"key");
+ value = xmlGetProp (cur, (const xmlChar *)"value");
+ if (key && value) {
+ GFileInfo *info;
+ gchar *gio_key;
+ GError *error = NULL;
+
+ info = g_file_info_new ();
+
+ gio_key = g_strconcat (EV_METADATA_NAMESPACE"::", key, NULL);
+ g_file_info_set_attribute_string (info, gio_key, (const gchar *)value);
+ g_free (gio_key);
+
+ if (!g_file_set_attributes_from_info (file, info, 0, NULL, &error)) {
+ g_printerr ("Error setting metadata for %s: %s\n",
+ uri, error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (info);
+ }
+
+ if (key)
+ xmlFree (key);
+ if (value)
+ xmlFree (value);
+ }
+
+ g_object_unref (file);
+
+ return data->current != NULL;
+}
+
+static void
+convert_metadata_cancel (GtkDialog *dialog,
+ gint response_id,
+ ConvertData *data)
+{
+ convert_finish (data);
+ exit (1);
+}
+
+static void
+show_progress_dialog (ConvertData *data)
+{
+ GtkWidget *dialog;
+ GtkWidget *vbox, *pbox;
+ GtkWidget *label;
+ GtkWidget *progress;
+ gchar *text;
+
+ dialog = gtk_dialog_new_with_buttons (_("Converting metadata"),
+ NULL,
+ GTK_DIALOG_NO_SEPARATOR,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+ NULL);
+ gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+ gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area), 5);
+ gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->action_area), 6);
+
+ vbox = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+ gtk_box_set_spacing (GTK_BOX (vbox), 12);
+
+ label = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
+ text = g_strdup_printf ("<b>%s</b>", _("Converting metadata"));
+ gtk_label_set_markup (GTK_LABEL (label), text);
+ g_free (text);
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ label = gtk_label_new (_("The metadata format used by Evince "
+ "has changed, and hence it needs to be migrated. "
+ "If the migration is cancelled the metadata "
+ "storage will not work."));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
+ gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+ gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
+ gtk_widget_show (label);
+
+ pbox = gtk_vbox_new (FALSE, 6);
+ progress = gtk_progress_bar_new ();
+ data->progress = progress;
+ gtk_box_pack_start (GTK_BOX (pbox), progress, TRUE, TRUE, 0);
+ gtk_widget_show (progress);
+
+ label = gtk_label_new (NULL);
+ data->label = label;
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
+ gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
+ gtk_box_pack_start (GTK_BOX (pbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ gtk_box_pack_start (GTK_BOX (vbox), pbox, TRUE, TRUE, 0);
+ gtk_widget_show (pbox);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (convert_metadata_cancel),
+ data);
+
+ gtk_widget_show (dialog);
+}
+
+static gboolean
+convert_metadata_file (const gchar *filename)
+{
+ ConvertData *data;
+ xmlDocPtr doc;
+ xmlNodePtr cur;
+
+ if (!g_file_test (filename, G_FILE_TEST_EXISTS))
+ return FALSE;
+
+ doc = xmlParseFile (filename);
+ if (!doc) {
+ g_printerr ("Error loading metadata file %s\n", filename);
+ return FALSE;
+ }
+
+ cur = xmlDocGetRootElement (doc);
+ if (!cur) {
+ g_printerr ("Metadata file %s is empty\n", filename);
+ xmlFreeDoc (doc);
+ return TRUE;
+ }
+
+ if (xmlStrcmp (cur->name, (const xmlChar *) "metadata")) {
+ g_printerr ("File %s is not a valid evince metadata file\n", filename);
+ xmlFreeDoc (doc);
+ return FALSE;
+ }
+
+ data = g_new0 (ConvertData, 1);
+ data->doc = doc;
+
+ for (cur = cur->xmlChildrenNode; cur != NULL; cur = cur->next) {
+ xmlChar *uri;
+ DocItem *item;
+
+ if (xmlStrcmp (cur->name, (const xmlChar *)"document") != 0)
+ continue;
+
+ uri = xmlGetProp (cur, (const xmlChar *)"uri");
+ if (!uri)
+ continue;
+
+ item = g_new (DocItem, 1);
+ item->uri = uri;
+ item->cur = cur;
+ data->items = g_list_prepend (data->items, item);
+ }
+
+ if (!data->items) {
+ xmlFreeDoc (data->doc);
+ g_free (data);
+
+ return TRUE;
+ }
+
+ show_progress_dialog (data);
+
+ data->current = data->items;
+ g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+ (GSourceFunc)convert_file,
+ data,
+ (GDestroyNotify)convert_finish);
+
+ return TRUE;
+}
+
+gint
+main (gint argc, gchar **argv)
+{
+ if (argc != 2) {
+ g_printerr ("%s\n", "Usage: evince-convert-metadata FILE");
+ return 1;
+ }
+
+ gtk_init (&argc, &argv);
+
+ if (!convert_metadata_file (argv[1]))
+ return 1;
+
+ gtk_main ();
+
+ return 0;
+}
https://www.fi.muni.cz/~kas/git / evince.git / commitdiff