1 files changed, 274 insertions, 0 deletions
diff --git a/oox/source/core/contexthandler2.cxx b/oox/source/core/contexthandler2.cxx
new file mode 100644
index 000000000000..0f39ba313e6b
--- /dev/null
+++ b/oox/source/core/contexthandler2.cxx
@@ -0,0 +1,274 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "oox/core/contexthandler2.hxx"
+#include <rtl/ustrbuf.hxx>
+
+using ::rtl::OUString;
+using ::rtl::OUStringBuffer;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::RuntimeException;
+using ::com::sun::star::xml::sax::SAXException;
+using ::com::sun::star::xml::sax::XFastAttributeList;
+using ::com::sun::star::xml::sax::XFastContextHandler;
+
+namespace oox {
+namespace core {
+
+// ============================================================================
+
+/** Information about a processed context element. */
+struct ContextInfo
+{
+    OUStringBuffer      maCurrChars;        /// Collected characters from context.
+    OUStringBuffer      maFinalChars;       /// Finalized (stipped) characters.
+    sal_Int32           mnElement;          /// The element identifier.
+    bool                mbTrimSpaces;       /// True = trims leading/trailing spaces from text data.
+
+    explicit            ContextInfo();
+};
+
+ContextInfo::ContextInfo() :
+    mnElement( XML_TOKEN_INVALID ),
+    mbTrimSpaces( false )
+{
+}
+
+// ============================================================================
+
+ContextHandler2Helper::ContextHandler2Helper( bool bEnableTrimSpace ) :
+    mxContextStack( new ContextStack ),
+    mnRootStackSize( 0 ),
+    mbEnableTrimSpace( bEnableTrimSpace )
+{
+    pushContextInfo( XML_ROOT_CONTEXT );
+}
+
+ContextHandler2Helper::ContextHandler2Helper( const ContextHandler2Helper& rParent ) :
+    mxContextStack( rParent.mxContextStack ),
+    mnRootStackSize( rParent.mxContextStack->size() ),
+    mbEnableTrimSpace( rParent.mbEnableTrimSpace )
+{
+}
+
+ContextHandler2Helper::~ContextHandler2Helper()
+{
+}
+
+sal_Int32 ContextHandler2Helper::getCurrentElement() const
+{
+    return mxContextStack->empty() ? XML_ROOT_CONTEXT : mxContextStack->back().mnElement;
+}
+
+sal_Int32 ContextHandler2Helper::getPreviousElement( sal_Int32 nCountBack ) const
+{
+    if( (nCountBack < 0) || (mxContextStack->size() < static_cast< size_t >( nCountBack )) )
+        return XML_TOKEN_INVALID;
+    return (mxContextStack->size() == static_cast< size_t >( nCountBack )) ?
+        XML_ROOT_CONTEXT : (*mxContextStack)[ mxContextStack->size() - nCountBack - 1 ].mnElement;
+}
+
+bool ContextHandler2Helper::isRootElement() const
+{
+    return mxContextStack->size() == mnRootStackSize + 1;
+}
+
+Reference< XFastContextHandler > ContextHandler2Helper::implCreateChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
+{
+    appendCollectedChars();
+    ContextHandlerRef xContext = onCreateContext( nElement, AttributeList( rxAttribs ) );
+    return Reference< XFastContextHandler >( xContext.get() );
+}
+
+void ContextHandler2Helper::implStartCurrentContext( sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
+{
+    AttributeList aAttribs( rxAttribs );
+    pushContextInfo( nElement ).mbTrimSpaces = aAttribs.getToken( NMSP_XML | XML_space, XML_TOKEN_INVALID ) != XML_preserve;
+    onStartElement( aAttribs );
+}
+
+void ContextHandler2Helper::implCharacters( const OUString& rChars )
+{
+    // #i76091# collect characters until context ends
+    if( !mxContextStack->empty() )
+        mxContextStack->back().maCurrChars.append( rChars );
+}
+
+void ContextHandler2Helper::implEndCurrentContext( sal_Int32 nElement )
+{
+    (void)nElement;     // prevent "unused parameter" warning in product build
+    OSL_ENSURE( getCurrentElement() == nElement, "ContextHandler2Helper::implEndCurrentContext - context stack broken" );
+    if( !mxContextStack->empty() )
+    {
+        // #i76091# process collected characters
+        appendCollectedChars();
+        // finalize the current context and pop context info from stack
+        onEndElement( mxContextStack->back().maFinalChars.makeStringAndClear() );
+        popContextInfo();
+    }
+}
+
+ContextHandlerRef ContextHandler2Helper::implCreateRecordContext( sal_Int32 nRecId, RecordInputStream& rStrm )
+{
+    return onCreateRecordContext( nRecId, rStrm );
+}
+
+void ContextHandler2Helper::implStartRecord( sal_Int32 nRecId, RecordInputStream& rStrm )
+{
+    pushContextInfo( nRecId );
+    onStartRecord( rStrm );
+}
+
+void ContextHandler2Helper::implEndRecord( sal_Int32 nRecId )
+{
+    (void)nRecId;   // prevent "unused parameter" warning in product build
+    OSL_ENSURE( getCurrentElement() == nRecId, "ContextHandler2Helper::implEndRecord - context stack broken" );
+    if( !mxContextStack->empty() )
+    {
+        // finalize the current context and pop context info from stack
+        onEndRecord();
+        popContextInfo();
+    }
+}
+
+ContextInfo& ContextHandler2Helper::pushContextInfo( sal_Int32 nElement )
+{
+    mxContextStack->resize( mxContextStack->size() + 1 );
+    ContextInfo& rInfo = mxContextStack->back();
+    rInfo.mnElement = nElement;
+    return rInfo;
+}
+
+void ContextHandler2Helper::popContextInfo()
+{
+    OSL_ENSURE( !mxContextStack->empty(), "ContextHandler2Helper::popContextInfo - context stack broken" );
+    if( !mxContextStack->empty() )
+        mxContextStack->pop_back();
+}
+
+void ContextHandler2Helper::appendCollectedChars()
+{
+    OSL_ENSURE( !mxContextStack->empty(), "ContextHandler2Helper::appendCollectedChars - no context info" );
+    ContextInfo& rInfo = mxContextStack->back();
+    if( rInfo.maCurrChars.getLength() > 0 )
+    {
+        OUString aChars = rInfo.maCurrChars.makeStringAndClear();
+        rInfo.maFinalChars.append( (mbEnableTrimSpace && rInfo.mbTrimSpaces) ? aChars.trim() : aChars );
+    }
+}
+
+// ============================================================================
+
+ContextHandler2::ContextHandler2( ContextHandler2Helper& rParent ) :
+    ContextHandler( rParent.queryContextHandler() ),
+    ContextHandler2Helper( rParent )
+{
+}
+
+ContextHandler2::~ContextHandler2()
+{
+}
+
+ContextHandler& ContextHandler2::queryContextHandler()
+{
+    return *this;
+}
+
+// com.sun.star.xml.sax.XFastContextHandler interface -------------------------
+
+Reference< XFastContextHandler > SAL_CALL ContextHandler2::createFastChildContext(
+        sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException )
+{
+    return implCreateChildContext( nElement, rxAttribs );
+}
+
+void SAL_CALL ContextHandler2::startFastElement(
+        sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException )
+{
+    implStartCurrentContext( nElement, rxAttribs );
+}
+
+void SAL_CALL ContextHandler2::characters( const OUString& rChars ) throw( SAXException, RuntimeException )
+{
+    implCharacters( rChars );
+}
+
+void SAL_CALL ContextHandler2::endFastElement( sal_Int32 nElement ) throw( SAXException, RuntimeException )
+{
+    implEndCurrentContext( nElement );
+}
+
+// oox.core.RecordContext interface -------------------------------------------
+
+ContextHandlerRef ContextHandler2::createRecordContext( sal_Int32 nRecId, RecordInputStream& rStrm )
+{
+    return implCreateRecordContext( nRecId, rStrm );
+}
+
+void ContextHandler2::startRecord( sal_Int32 nRecId, RecordInputStream& rStrm )
+{
+    implStartRecord( nRecId, rStrm );
+}
+
+void ContextHandler2::endRecord( sal_Int32 nRecId )
+{
+    implEndRecord( nRecId );
+}
+
+// oox.core.ContextHandler2Helper interface -----------------------------------
+
+ContextHandlerRef ContextHandler2::onCreateContext( sal_Int32, const AttributeList& )
+{
+    return 0;
+}
+
+void ContextHandler2::onStartElement( const AttributeList& )
+{
+}
+
+void ContextHandler2::onEndElement( const OUString& )
+{
+}
+
+ContextHandlerRef ContextHandler2::onCreateRecordContext( sal_Int32, RecordInputStream& )
+{
+    return 0;
+}
+
+void ContextHandler2::onStartRecord( RecordInputStream& )
+{
+}
+
+void ContextHandler2::onEndRecord()
+{
+}
+
+// ============================================================================
+
+} // namespace core
+} // namespace oox
+