forked from AuroraMiddleware/gtk
161 lines
4.0 KiB
C
161 lines
4.0 KiB
C
/* Copyright 2015 Red Hat, Inc.
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*
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* GTK+ is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* GLib is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with GTK+; see the file COPYING. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Author: Matthias Clasen
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <glib/gi18n.h>
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#include <glib/gprintf.h>
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#include <glib/gstdio.h>
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#include <gtk/gtk.h>
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#include "gtkbuilderprivate.h"
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#include "gtk-builder-tool.h"
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static GType
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make_fake_type (const char *type_name,
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const char *parent_name)
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{
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GType parent_type;
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GTypeQuery query;
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parent_type = g_type_from_name (parent_name);
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if (parent_type == G_TYPE_INVALID)
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{
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g_printerr ("Failed to lookup template parent type %s\n", parent_name);
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exit (1);
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}
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g_type_query (parent_type, &query);
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return g_type_register_static_simple (parent_type,
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type_name,
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query.class_size,
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NULL,
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query.instance_size,
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NULL,
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0);
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}
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static void
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do_validate_template (const char *filename,
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const char *type_name,
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const char *parent_name)
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{
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GType template_type;
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GObject *object;
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GtkBuilder *builder;
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GError *error = NULL;
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int ret;
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/* Only make a fake type if it doesn't exist yet.
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* This lets us e.g. validate the GtkFileChooserWidget template.
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*/
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template_type = g_type_from_name (type_name);
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if (template_type == G_TYPE_INVALID)
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template_type = make_fake_type (type_name, parent_name);
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object = g_object_new (template_type, NULL);
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if (!object)
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{
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g_printerr ("Failed to create an instance of the template type %s\n", type_name);
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exit (1);
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}
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builder = gtk_builder_new ();
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ret = gtk_builder_extend_with_template (builder, object , template_type, " ", 1, &error);
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if (ret)
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ret = gtk_builder_add_from_file (builder, filename, &error);
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g_object_unref (builder);
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if (ret == 0)
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{
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g_printerr ("%s\n", error->message);
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exit (1);
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}
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}
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static gboolean
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parse_template_error (const char *message,
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char **class_name,
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char **parent_name)
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{
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char *p;
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p = strstr (message, "(class '");
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if (p)
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{
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*class_name = g_strdup (p + strlen ("(class '"));
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p = strstr (*class_name, "'");
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if (p)
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*p = '\0';
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}
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p = strstr (message, ", parent '");
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if (p)
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{
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*parent_name = g_strdup (p + strlen (", parent '"));
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p = strstr (*parent_name, "'");
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if (p)
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*p = '\0';
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}
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return TRUE;
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}
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static gboolean
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validate_file (const char *filename)
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{
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GtkBuilder *builder;
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GError *error = NULL;
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int ret;
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char *class_name = NULL;
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char *parent_name = NULL;
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builder = gtk_builder_new ();
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ret = gtk_builder_add_from_file (builder, filename, &error);
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g_object_unref (builder);
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if (ret == 0)
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{
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if (g_error_matches (error, GTK_BUILDER_ERROR, GTK_BUILDER_ERROR_UNHANDLED_TAG) &&
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parse_template_error (error->message, &class_name, &parent_name))
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{
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do_validate_template (filename, class_name, parent_name);
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}
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else
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{
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g_printerr ("%s: %s\n", filename, error->message);
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return FALSE;
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}
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}
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return TRUE;
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}
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void
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do_validate (int *argc, const char ***argv)
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{
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int i;
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for (i = 1; i < *argc; i++)
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{
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if (!validate_file ((*argv)[i]))
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exit (1);
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}
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}
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