Add support for XBEL Bookmarks

1 files changed, 72 insertions, 27 deletions

diff --git a/bookmarks.c b/bookmarks.c
index f43ed46..23cb558 100644
--- a/bookmarks.c
+++ b/bookmarks.c
@@ -1,45 +1,90 @@
-#include "badwolf.h"
 #include "bookmarks.h"
 
-#include <gtk/gtk.h>
+#include "badwolf.h"
+
 #include <glib/gprintf.h> /* g_fprintf() */
+#include <gtk/gtk.h>
+#include <libxml/xpath.h>
 
 void
-location_completion_init()
+location_completion_setup(GtkListStore *list_store)
 {
-	GtkTreeIter iter;
-	GtkListStore *list_store;
-	GIOChannel *file_channel;
-	GError *file_err = NULL;
-	gchar *file_line;
+	gtk_entry_completion_set_model(location_completion, GTK_TREE_MODEL(list_store));
+	gtk_entry_completion_set_text_column(location_completion, 0);
+}
 
-	location_completion = gtk_entry_completion_new();
+void
+location_completion_cleanup(xmlXPathObjectPtr xpathObj, xmlXPathContextPtr xpathCtx, xmlDocPtr doc)
+{
+	if(xpathObj != NULL) xmlXPathFreeObject(xpathObj);
+	if(xpathCtx != NULL) xmlXPathFreeContext(xpathCtx);
+	if(doc != NULL) xmlFreeDoc(doc);
+}
 
-	list_store = gtk_list_store_new(1, G_TYPE_STRING);
+GtkTreeIter
+load_xpath_results(GtkListStore *list_store, xmlNodeSetPtr nodes)
+{
+	GtkTreeIter iter;
+	int size;
 
-	gchar *filename = g_build_filename(g_get_user_data_dir(), "badwolf", "URLs.txt", NULL);
-	g_fprintf(stderr, "URL Completion: loading at %s\n", filename);
-	file_channel = g_io_channel_new_file(filename, "r", &file_err);
+	size = (nodes) ? nodes->nodeNr : 0;
 
-	if(file_channel != NULL)
-	{
-		while(G_IO_STATUS_NORMAL ==
-		      g_io_channel_read_line(file_channel, &file_line, NULL, NULL, &file_err))
+	g_fprintf(stderr, "Bookmarks: Found %d bookmarks.\n", size);
+	for(int i = 0; i < size; i++)
+		if(nodes->nodeTab[i])
 		{
 			gtk_list_store_append(list_store, &iter);
-			gtk_list_store_set(list_store, &iter, 0, g_strchomp(file_line), -1);
+			gtk_list_store_set(
+			    list_store, &iter, 0, (char *)xmlXPathCastNodeToString(nodes->nodeTab[i]), -1);
 		}
-		g_free(file_line);
-		g_io_channel_unref(file_channel);
-		//g_io_channel_shutdown(file_channel, FALSE, &file_err);
-		g_fprintf(stderr, "URL Completion: Done.\n");
-	}
-	else
-		g_fprintf(stderr, "URL Completion: Failed to load file.\n");
 
+	return iter;
+}
+
+void
+location_completion_init()
+{
+	const xmlChar *xpathExpr = "//bookmark/@href";
+	char *filename = g_build_filename(g_get_user_data_dir(), "badwolf", "bookmarks.xbel", NULL);
+	xmlDocPtr doc  = NULL;
+	xmlXPathContextPtr xpathCtx = NULL;
+	xmlXPathObjectPtr xpathObj  = NULL;
+	GtkTreeIter iter;
+	GtkListStore *list_store = gtk_list_store_new(1, G_TYPE_STRING);
+
+	location_completion = gtk_entry_completion_new();
 	gtk_list_store_append(list_store, &iter);
 	gtk_list_store_set(list_store, &iter, 0, homepage, -1);
 
-	gtk_entry_completion_set_model(location_completion, GTK_TREE_MODEL(list_store));
-	gtk_entry_completion_set_text_column(location_completion, 0);
+	g_fprintf(stderr, "Bookmarks: loading at %s\n", filename);
+	doc = xmlParseFile(filename);
+	if(doc == NULL)
+	{
+		g_fprintf(stderr, "Bookmarks: unable to parse file \"%s\"\n", filename);
+		location_completion_cleanup(xpathObj, xpathCtx, doc);
+		return;
+	}
+
+	xpathCtx = xmlXPathNewContext(doc);
+	if(xpathCtx == NULL)
+	{
+		g_fprintf(stderr, "Bookmarks: unable to create new XPath context\n");
+		location_completion_cleanup(xpathObj, xpathCtx, doc);
+		return;
+	}
+
+	xpathObj = xmlXPathEvalExpression(xpathExpr, xpathCtx);
+	if(xpathObj == NULL)
+	{
+		g_fprintf(stderr, "Bookmarks: unable to evaluate xpath expression \"%s\"\n", xpathExpr);
+		location_completion_cleanup(xpathObj, xpathCtx, doc);
+		return;
+	}
+
+	iter = load_xpath_results(list_store, xpathObj->nodesetval);
+
+	location_completion_cleanup(xpathObj, xpathCtx, doc);
+	location_completion_setup(list_store);
+
+	g_fprintf(stderr, "Bookmarks: Done.\n");
 }