Add a means to check if a namespace exists.

Useful when we just need to check if the stream has a certain namespace
defined. Calling getNamespaceURL() may throw SAXException in such case.

Change-Id: Ib2b7b202492390158270d87bab95d1793c9d8a70

1 files changed, 23 insertions, 0 deletions

diff --git a/sax/source/fastparser/fastparser.cxx b/sax/source/fastparser/fastparser.cxx
index 9f60b72c2d5c..9535902f92d2 100644
--- a/sax/source/fastparser/fastparser.cxx
+++ b/sax/source/fastparser/fastparser.cxx
@@ -859,6 +859,24 @@ void FastSaxParser::produce( CallbackType aType )
     }
 }
 
+bool FastSaxParser::hasNamespaceURL( const OUString& rPrefix ) const
+{
+    const Entity& rEntity = getEntity();
+
+    if (rEntity.maNamespaceCount.empty())
+        return false;
+
+    OString aPrefix = OUStringToOString(rPrefix, RTL_TEXTENCODING_UTF8);
+    sal_uInt32 nNamespace = rEntity.maNamespaceCount.top();
+    while (nNamespace--)
+    {
+        if (rEntity.maNamespaceDefines[nNamespace]->maPrefix == aPrefix)
+            return true;
+    }
+
+    return false;
+}
+
 bool FastSaxParser::consume(EventList *pEventList)
 {
     Entity& rEntity = getEntity();
@@ -924,6 +942,11 @@ Entity& FastSaxParser::getEntity()
     return maEntities.top();
 }
 
+const Entity& FastSaxParser::getEntity() const
+{
+    return maEntities.top();
+}
+
 // starts parsing with actual parser !
 void FastSaxParser::parse()
 {