[gxml] Error.vala: Add GXml.Error errordomain, for actual exception handling unlike DomExceptions

[Richard Hans Schwarting <rschwart src gnome org>]

commit 002b873c2f38004ba6323c08fc2607930ce71953
Author: Richard Schwarting <aquarichy gmail com>
Date:   Wed Oct 2 10:05:37 2013 -0400

    Error.vala: Add GXml.Error errordomain, for actual exception handling unlike DomExceptions

 gxml/Error.vala |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/gxml/Error.vala b/gxml/Error.vala
new file mode 100644
index 0000000..759d107
--- /dev/null
+++ b/gxml/Error.vala
@@ -0,0 +1,12 @@
+namespace GXml {
+       public errordomain Error {
+               PARSER;
+       }
+
+       internal static string libxml2_error_to_string (Xml.Error *e) {
+               return "%s:%s:%d: %s:%d: %s".printf (
+                       e->level.to_string ().substring (8 /* skipping XML_ERR_ */),
+                       e->domain.to_string ().substring (9 /* skipping XML_FROM_ */),
+                       e->code, e->file == null ? "<io>" : e->file, e->line, e->message);
+       }
+}
\ No newline at end of file