base-xml-formatter: properly handle GFile from wrong uri

Summary:
g_file_new_for_uri never fails so GFile always has valid pointer.
And fix a bug of double unref from D303.

Reviewers: thiblahute

Differential Revision: https://phabricator.freedesktop.org/D310
This commit is contained in:
Justin Kim 2015-10-01 16:06:33 +02:00 committed by Thibault Saunier
parent 61da5ad63c
commit 2b4e89c75e

View file

@ -21,6 +21,10 @@
#include "ges.h"
#include "ges-internal.h"
GST_DEBUG_CATEGORY_STATIC (base_xml_formatter);
#undef GST_CAT_DEFAULT
#define GST_CAT_DEFAULT base_xml_formatter
#define parent_class ges_base_xml_formatter_parent_class
G_DEFINE_ABSTRACT_TYPE (GESBaseXmlFormatter, ges_base_xml_formatter,
GES_TYPE_FORMATTER);
@ -167,10 +171,17 @@ create_parser_context (GESBaseXmlFormatter * self, const gchar * uri,
GError *err = NULL;
if ((file = g_file_new_for_uri (uri)) == NULL)
goto wrong_uri;
GST_DEBUG_OBJECT (self, "loading xml from %s", uri);
file = g_file_new_for_uri (uri);
/* TODO Handle GCancellable */
if (!g_file_query_exists (file, NULL)) {
err = g_error_new (GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Invalid URI: \"%s\"", uri);
goto failed;
}
if (!g_file_load_contents (file, NULL, &xmlcontent, &xmlsize, NULL, &err))
goto failed;
@ -187,26 +198,17 @@ create_parser_context (GESBaseXmlFormatter * self, const gchar * uri,
if (!g_markup_parse_context_end_parse (parsecontext, &err))
goto failed;
done:
if (xmlcontent)
g_free (xmlcontent);
if (file)
g_object_unref (file);
done:
g_free (xmlcontent);
g_object_unref (file);
return parsecontext;
wrong_uri:
GST_WARNING ("%s wrong uri", uri);
goto done;
failed:
GST_WARNING ("failed to load contents from \"%s\"", uri);
g_propagate_error (error, err);
if (file)
g_object_unref (file);
if (parsecontext) {
g_markup_parse_context_free (parsecontext);
parsecontext = NULL;
@ -410,6 +412,9 @@ ges_base_xml_formatter_class_init (GESBaseXmlFormatterClass * self_class)
formatter_klass->save_to_uri = _save_to_uri;
self_class->save = NULL;
GST_DEBUG_CATEGORY_INIT (base_xml_formatter, "base-xml-formatter",
GST_DEBUG_FG_BLUE | GST_DEBUG_BOLD, "Base XML Formatter");
}
/***********************************************