[tracker] Playlist to TTL translation tool

[Ivan Frade <ifrade src gnome org>]

commit 4372664f081f8a6c71c605cbba92559833c2535e
Author: Ivan Frade <ivan frade nokia com>
Date:   Mon Jul 13 14:16:09 2009 +0300

    Playlist to TTL translation tool
    
    Small program to translate a playlist into turtle format.

 configure.ac                   |    1 +
 utils/Makefile.am              |    1 +
 utils/playlists/Makefile.am    |   19 +++++++
 utils/playlists/playlist2ttl.c |  117 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 138 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d204634..b3b31a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1449,6 +1449,7 @@ AC_CONFIG_FILES([
 	utils/albumart/Makefile
 	utils/tracker-fts/Makefile
 	utils/services/Makefile
+	utils/playlists/Makefile
 ])
 
 AC_OUTPUT
diff --git a/utils/Makefile.am b/utils/Makefile.am
index 4419038..0f2ec1b 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -3,4 +3,5 @@ include $(top_srcdir)/Makefile.decl
 SUBDIRS = 			\
 	albumart		\
 	services		\
+	playlists		\
 	tracker-fts
diff --git a/utils/playlists/Makefile.am b/utils/playlists/Makefile.am
new file mode 100644
index 0000000..fd1607e
--- /dev/null
+++ b/utils/playlists/Makefile.am
@@ -0,0 +1,19 @@
+include $(top_srcdir)/Makefile.decl
+
+noinst_PROGRAMS = playlist2ttl
+
+INCLUDES = 				\
+	-DG_LOG_DOMAIN=\"Tracker\"	\
+	$(WARN_CFLAGS)			\
+	$(GLIB2_CFLAGS)			\
+	$(GIO_CFLAGS)			\
+	$(TOTEM_PL_PARSER_CFLAGS)					
+
+playlist2ttl_SOURCES = 			\
+	playlist2ttl.c
+
+playlist2ttl_LDADD = 			\
+	$(TOTEM_PL_PARSER_LIBS) 	\
+	$(GLIB2_LIBS)			\
+	$(GIO_LIBS)			\
+	$(GCOV_LIBS)
\ No newline at end of file
diff --git a/utils/playlists/playlist2ttl.c b/utils/playlists/playlist2ttl.c
new file mode 100644
index 0000000..844c26d
--- /dev/null
+++ b/utils/playlists/playlist2ttl.c
@@ -0,0 +1,117 @@
+#include <glib.h>
+#include <gio/gio.h>
+#include <totem-pl-parser.h>
+
+static gchar    **filenames = NULL;
+
+typedef struct {
+        gint   tracks ;
+        gchar *playlist;
+} PlaylistData;
+
+static GOptionEntry entries[] = {
+	{ G_OPTION_REMAINING, 0, G_OPTION_FLAG_FILENAME, G_OPTION_ARG_FILENAME_ARRAY, &filenames,
+	  "FILE",
+	  NULL
+        },
+	{ NULL }
+};
+
+static void
+print_header () 
+{
+	g_print ("@prefix nmo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#>.\n");
+	g_print ("@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#>.\n");
+	g_print ("@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.\n");
+        g_print ("\n");
+}
+
+static void
+print_playlist_entry (const gchar *uri) {
+        g_print ("<%s> a nfo:MediaList .\n\n", uri);
+}
+
+static void
+entry_parsed (TotemPlParser *parser, const gchar *uri, GHashTable *metadata, gpointer user_data)
+{
+        PlaylistData *playlist_data = (PlaylistData *)user_data;
+        
+        playlist_data->tracks += 1;
+
+	//uri = g_hash_table_lookup (metadata, TOTEM_PL_PARSER_FIELD_URI);
+        g_print ("<%s> nfo:hasMediaFileListEntry [ \n", 
+                 playlist_data->playlist);
+        g_print ("\t a nfo:MediaFileListEntry ; \n");
+        g_print ("\t nfo:listPosition %d ; \n", playlist_data->tracks);
+        g_print ("\t nfo:entryContent <%s> ] .\n\n", uri);
+}
+
+gint 
+main (gint argc, gchar **argv) 
+{
+        GFile *file;
+        GOptionContext *context = NULL;
+        gchar *uri;
+        PlaylistData   playlist_data = { 0, NULL};
+        TotemPlParser *pl;
+        TotemPlParserResult result;
+        GError *error = NULL;
+
+        g_type_init ();
+
+	context = g_option_context_new ("- Parse a playlist and show info");
+
+	g_option_context_add_main_entries (context, entries, NULL);
+	g_option_context_parse (context, &argc, &argv, NULL);
+
+        if (!g_option_context_parse (context, &argc, &argv, &error) || !filenames) {
+		gchar *help;
+
+		g_printerr ("%s\n\n",
+			    "Playlist filename is mandatory");
+
+		help = g_option_context_get_help (context, TRUE, NULL);
+		g_option_context_free (context);
+		g_printerr ("%s", help);
+		g_free (help);
+
+		return -1;
+        }
+
+        file = g_file_new_for_commandline_arg (filenames[0]);
+	uri = g_file_get_uri (file);
+
+        print_header ();
+        print_playlist_entry (uri);
+        playlist_data.playlist = uri;
+
+        pl = totem_pl_parser_new ();
+
+        g_object_set (pl, "recurse", FALSE, "disable-unsafe", TRUE, NULL);
+        g_signal_connect (G_OBJECT (pl), "entry-parsed", G_CALLBACK (entry_parsed), &playlist_data);
+        
+
+
+        result = totem_pl_parser_parse (pl, uri, FALSE);
+
+        switch (result) {
+        case TOTEM_PL_PARSER_RESULT_SUCCESS:
+                break;
+        case TOTEM_PL_PARSER_RESULT_IGNORED:
+                g_print ("Error: Ignored (%s)\n", uri);
+                break;
+        case TOTEM_PL_PARSER_RESULT_ERROR:
+                g_print ("Error: Failed parsing (%s)\n", uri);
+                break;
+        case TOTEM_PL_PARSER_RESULT_UNHANDLED:
+                g_print ("Error: Unhandled type (%s)\n", uri);
+                break;
+        default:
+                g_print ("Undefined result!?!?!");
+        }
+
+        g_object_unref (pl);
+
+        return 0;
+}
+