From 4299f29ac941292054b4e004aac51e1b143a386a Mon Sep 17 00:00:00 2001
From: Emanuele Aina <emanuele.aina@collabora.com>
Date: Tue, 26 Mar 2013 13:00:17 +0100
Subject: utils: Add empathy_xml_validate_from_resource()

Validate against dtd stored in a GResource.

https://bugzilla.gnome.org/show_bug.cgi?id=696974
---
 libempathy/empathy-utils.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'libempathy/empathy-utils.c')

diff --git a/libempathy/empathy-utils.c b/libempathy/empathy-utils.c
index 74770c159..e074327b6 100644
--- a/libempathy/empathy-utils.c
+++ b/libempathy/empathy-utils.c
@@ -108,6 +108,41 @@ empathy_init (void)
   g_object_unref (am);
 }
 
+gboolean
+empathy_xml_validate_from_resource (xmlDoc *doc,
+    const gchar *dtd_resourcename)
+{
+  GBytes *resourcecontents;
+  gconstpointer resourcedata;
+  gsize resourcesize;
+  xmlParserInputBufferPtr buffer;
+  xmlValidCtxt  cvp;
+  xmlDtd *dtd;
+  GError *error = NULL;
+  gboolean ret;
+
+  DEBUG ("Loading dtd resource %s", dtd_resourcename);
+
+  resourcecontents = g_resources_lookup_data (dtd_resourcename, G_RESOURCE_LOOKUP_FLAGS_NONE, &error);
+  if (error != NULL)
+    {
+      g_warning ("Unable to load dtd resource '%s': %s", dtd_resourcename, error->message);
+      g_error_free (error);
+      return FALSE;
+    }
+  resourcedata = g_bytes_get_data (resourcecontents, &resourcesize);
+  buffer = xmlParserInputBufferCreateStatic (resourcedata, resourcesize, XML_CHAR_ENCODING_UTF8);
+
+  memset (&cvp, 0, sizeof (cvp));
+  dtd = xmlIOParseDTD (NULL, buffer, XML_CHAR_ENCODING_UTF8);
+  ret = xmlValidateDtd (&cvp, doc, dtd);
+
+  xmlFreeDtd (dtd);
+  g_bytes_unref (resourcecontents);
+
+  return ret;
+}
+
 gboolean
 empathy_xml_validate (xmlDoc      *doc,
     const gchar *dtd_filename)
-- 
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