1 files changed, 133 insertions, 0 deletions
diff --git a/xmloff/source/xforms/TokenContext.cxx b/xmloff/source/xforms/TokenContext.cxx
new file mode 100644
index 000000000..71215c439
--- /dev/null
+++ b/xmloff/source/xforms/TokenContext.cxx
@@ -0,0 +1,133 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include "TokenContext.hxx"
+#include <xmloff/xmltkmap.hxx>
+#include <xmloff/xmlimp.hxx>
+#include <xmloff/nmspmap.hxx>
+#include <xmloff/xmlerror.hxx>
+
+#include <algorithm>
+
+using com::sun::star::uno::Reference;
+using com::sun::star::xml::sax::XAttributeList;
+
+const SvXMLTokenMapEntry aEmptyMap[1] =
+{
+    XML_TOKEN_MAP_END
+};
+
+TokenContext::TokenContext( SvXMLImport& rImport,
+                            sal_uInt16 nPrefix,
+                            const OUString& rLocalName,
+                            const SvXMLTokenMapEntry* pAttributes,
+                            const SvXMLTokenMapEntry* pChildren )
+    : SvXMLImportContext( rImport, nPrefix, rLocalName ),
+      mpAttributes( pAttributes ),
+      mpChildren( pChildren )
+{
+}
+
+void TokenContext::StartElement(
+    const Reference<XAttributeList>& xAttributeList )
+{
+    // iterate over attributes
+    // - if in map: call HandleAttribute
+    // - xmlns:... : ignore
+    // - other: warning
+    SAL_WARN_IF( mpAttributes == nullptr, "xmloff", "no token map for attributes" );
+    SvXMLTokenMap aMap( mpAttributes );
+
+    sal_Int16 nCount = xAttributeList->getLength();
+    for( sal_Int16 i = 0; i < nCount; i++ )
+    {
+        // get key/local-name pair from namespace map
+        OUString sLocalName;
+        sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
+            GetKeyByAttrName( xAttributeList->getNameByIndex(i), &sLocalName );
+
+        // get token from token map
+        sal_uInt16 nToken = aMap.Get( nPrefix, sLocalName );
+
+        // and the value...
+        const OUString& rValue = xAttributeList->getValueByIndex(i);
+
+        if( nToken != XML_TOK_UNKNOWN )
+        {
+            HandleAttribute( nToken, rValue );
+        }
+        else if( nPrefix != XML_NAMESPACE_XMLNS )
+        {
+            // error handling, for all attribute that are not
+            // namespace declarations
+            GetImport().SetError( XMLERROR_UNKNOWN_ATTRIBUTE,
+                                  sLocalName, rValue);
+        }
+    }
+}
+
+SvXMLImportContextRef TokenContext::CreateChildContext(
+    sal_uInt16 nPrefix,
+    const OUString& rLocalName,
+    const Reference<XAttributeList>& xAttrList )
+{
+    // call HandleChild for elements in token map. Ignore other content.
+
+    SvXMLImportContext* pContext = nullptr;
+
+    SAL_WARN_IF( mpChildren == nullptr, "xmloff", "no token map for child elements" );
+    SvXMLTokenMap aMap( mpChildren );
+    sal_uInt16 nToken = aMap.Get( nPrefix, rLocalName );
+    if( nToken != XML_TOK_UNKNOWN )
+    {
+        // call handle child, and pass down arguments
+        pContext = HandleChild( nToken, nPrefix, rLocalName, xAttrList );
+    }
+
+    // error handling: create default context and generate warning
+    if( pContext == nullptr )
+    {
+        GetImport().SetError( XMLERROR_UNKNOWN_ELEMENT, rLocalName );
+    }
+    return pContext;
+}
+
+static bool lcl_IsWhiteSpace( sal_Unicode c )
+{
+    return c == ' '
+        || c == u'\x0009'
+        || c == u'\x000A'
+        || c == u'\x000D';
+}
+
+void TokenContext::Characters( const OUString& rCharacters )
+{
+    // get iterators for string data
+    const sal_Unicode* pBegin = rCharacters.getStr();
+    const sal_Unicode* pEnd = &( pBegin[ rCharacters.getLength() ] );
+
+    // raise error if non-whitespace character is found
+    if( !::std::all_of( pBegin, pEnd, lcl_IsWhiteSpace ) )
+        GetImport().SetError( XMLERROR_UNKNOWN_CHARACTERS, rCharacters );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */