Use GOption in thumbnailer.

2009-02-27  Carlos Garcia Campos  <carlosgc@gnome.org>

	* thumbnailer/evince-thumbnailer.c: (print_usage), (main):

	Use GOption in thumbnailer.

svn path=/trunk/; revision=3498

diff --git a/ChangeLog b/ChangeLog
index 8ca8341dabf327a54c0c481ebc64b832acbde99c..67e96baebb1ad0befc1102901383a8949fbc31d8 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-02-27  Carlos Garcia Campos  <carlosgc@gnome.org>
+
+       * thumbnailer/evince-thumbnailer.c: (print_usage), (main):
+
+       Use GOption in thumbnailer.
+       
 2009-02-22  Carlos Garcia Campos  <carlosgc@gnome.org>
 
        * backend/pdf/ev-poppler.cc: (pdf_document_save),

diff --git a/thumbnailer/evince-thumbnailer.c b/thumbnailer/evince-thumbnailer.c
index 217210b651167fc4a10daf1129d97a066583ae2d..da0f5d45ed0ae9bfc6bf844922d00e2a3915e3ea 100644 (file)
--- a/thumbnailer/evince-thumbnailer.c
+++ b/thumbnailer/evince-thumbnailer.c
@@ -27,6 +27,15 @@
 
 #define THUMBNAIL_SIZE 128
 
+static gint size = THUMBNAIL_SIZE;
+static const gchar **file_arguments;
+
+static const GOptionEntry goption_options[] = {
+       { "size", 's', 0, G_OPTION_ARG_INT, &size, NULL, "SIZE" },
+       { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &file_arguments, NULL, "<input> <ouput>" },
+       { NULL }
+};
+
 struct AsyncData {
        EvDocument  *document;
        const gchar *output;
@@ -127,37 +136,58 @@ evince_thumbnail_pngenc_get_async (struct AsyncData *data)
        return NULL;
 }
 
+static void
+print_usage (GOptionContext *context)
+{
+       gchar *help;
+
+       help = g_option_context_get_help (context, TRUE, NULL);
+       g_print ("%s", help);
+       g_free (help);
+}
+
 int
 main (int argc, char *argv[])
 {
-       EvDocument *document;
-       const char *input;
-       const char *output;
-       int         size;
-       char       *uri;
-       GFile      *file;
-
-       if (argc <= 2 || argc > 5 || strcmp (argv[1], "-h") == 0 ||
-           strcmp (argv[1], "--help") == 0) {
-               g_print ("Usage: %s [-s <size>] <input> <output>\n", argv[0]);
+       EvDocument     *document;
+       GOptionContext *context;
+       const char     *input;
+       const char     *output;
+       char           *uri;
+       GFile          *file;
+       GError         *error = NULL;
+
+       context = g_option_context_new ("- GNOME Document Thumbnailer");
+       g_option_context_add_main_entries (context, goption_options, NULL);
+
+       if (!g_option_context_parse (context, &argc, &argv, &error)) {
+               g_printerr ("%s\n", error->message);
+               g_error_free (error);
+               print_usage (context);
+               g_option_context_free (context);
+
                return -1;
        }
 
-       if (!strcmp (argv[1], "-s")) {
-               input = argv[3];
-               output = argv[4];
-               size = atoi (argv[2]);
-       } else {
-               input = argv[1];
-               output = argv[2];
-               size = THUMBNAIL_SIZE;
+       input = file_arguments ? file_arguments[0] : NULL;
+       output = input ? file_arguments[1] : NULL;
+       if (!input || !output) {
+               print_usage (context);
+               g_option_context_free (context);
+
+               return -1;
        }
+       
+       g_option_context_free (context);
 
        if (size < 40) {
                g_print ("Size cannot be smaller than 40 pixels\n");
                return -1;
        }
 
+       input = file_arguments[0];
+       output = file_arguments[1];
+
        g_type_init ();
 
        if (!g_thread_supported ())