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/* -*- 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 "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;
struct 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);
}
}
}
SvXMLImportContext* 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 );
pContext = new SvXMLImportContext( GetImport(), nPrefix, 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: */
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