handler for xsd

1 files changed, 21 insertions, 0 deletions

diff --git a/sources/scala/xml/parsing/XSDHandler.scala b/sources/scala/xml/parsing/XSDHandler.scala
new file mode 100644
index 0000000000..5fceae89f0
--- /dev/null
+++ b/sources/scala/xml/parsing/XSDHandler.scala
@@ -0,0 +1,21 @@
+package scala.xml.parsing;
+
+import scala.collection.Map ;
+import scala.collection.{ immutable, mutable };
+
+/** This handler is adapted to the foul handling of namespaces used in
+ *  W3C XML Schema, notably, that the prefixes of namespace declarations
+ *  in the root element are referenced from attribute values.
+ */
+class XSDHandler extends ConstructingHandler {
+
+  /** namespace prefix map of the root element */
+  var prefixes: immutable.Map[String,String] = null;
+
+  override def internal_startPrefixMapping:Unit = {
+    if( prefixes == null )
+      prefixes = new immutable.TreeMap.Empty[String,String] incl tmpPrefix;
+    super.internal_startPrefixMapping
+  }
+
+}