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/* Copyright 2015 Red Hat, Inc.
*
* GTK+ is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* GLib 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GTK+; see the file COPYING. If not,
* see <http://www.gnu.org/licenses/>.
*
* Author: Matthias Clasen
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glib/gi18n.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gtkbuilderprivate.h"
#include "gtk-builder-tool.h"
static GType
make_fake_type (const char *type_name,
const char *parent_name)
{
GType parent_type;
GTypeQuery query;
parent_type = g_type_from_name (parent_name);
if (parent_type == G_TYPE_INVALID)
{
g_printerr ("Failed to lookup template parent type %s\n", parent_name);
exit (1);
}
g_type_query (parent_type, &query);
return g_type_register_static_simple (parent_type,
type_name,
query.class_size,
NULL,
query.instance_size,
NULL,
0);
}
static void
do_validate_template (const char *filename,
const char *type_name,
const char *parent_name)
{
GType template_type;
GObject *object;
GtkBuilder *builder;
GError *error = NULL;
int ret;
/* Only make a fake type if it doesn't exist yet.
* This lets us e.g. validate the GtkFileChooserWidget template.
*/
template_type = g_type_from_name (type_name);
if (template_type == G_TYPE_INVALID)
template_type = make_fake_type (type_name, parent_name);
object = g_object_new (template_type, NULL);
if (!object)
{
g_printerr ("Failed to create an instance of the template type %s\n", type_name);
exit (1);
}
builder = gtk_builder_new ();
ret = gtk_builder_extend_with_template (builder, object , template_type, " ", 1, &error);
if (ret)
ret = gtk_builder_add_from_file (builder, filename, &error);
g_object_unref (builder);
if (ret == 0)
{
g_printerr ("%s\n", error->message);
exit (1);
}
}
static gboolean
parse_template_error (const char *message,
char **class_name,
char **parent_name)
{
char *p;
p = strstr (message, "(class '");
if (p)
{
*class_name = g_strdup (p + strlen ("(class '"));
p = strstr (*class_name, "'");
if (p)
*p = '\0';
}
p = strstr (message, ", parent '");
if (p)
{
*parent_name = g_strdup (p + strlen (", parent '"));
p = strstr (*parent_name, "'");
if (p)
*p = '\0';
}
return TRUE;
}
static gboolean
validate_file (const char *filename)
{
GtkBuilder *builder;
GError *error = NULL;
int ret;
char *class_name = NULL;
char *parent_name = NULL;
builder = gtk_builder_new ();
ret = gtk_builder_add_from_file (builder, filename, &error);
g_object_unref (builder);
if (ret == 0)
{
if (g_error_matches (error, GTK_BUILDER_ERROR, GTK_BUILDER_ERROR_UNHANDLED_TAG) &&
parse_template_error (error->message, &class_name, &parent_name))
{
do_validate_template (filename, class_name, parent_name);
}
else
{
g_printerr ("%s\n", error->message);
return FALSE;
}
}
return TRUE;
}
void
do_validate (int *argc, const char ***argv)
{
GError *error = NULL;
char **filenames = NULL;
GOptionContext *context;
const GOptionEntry entries[] = {
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, N_("FILE") },
{ NULL, }
};
int i;
g_set_prgname ("gtk4-builder-tool validate");
context = g_option_context_new (NULL);
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_set_summary (context, _("Validate the file."));
if (!g_option_context_parse (context, argc, (char ***)argv, &error))
{
g_printerr ("%s\n", error->message);
g_error_free (error);
exit (1);
}
g_option_context_free (context);
for (i = 0; filenames[i]; i++)
{
if (!validate_file (filenames[i]))
exit (1);
}
g_strfreev (filenames);
}
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