/* -*- 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 <algorithm>
#include <com/sun/star/xml/sax/SAXException.hpp>
#include <sax/fastattribs.hxx>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml;
using namespace ::com::sun::star::xml::sax;
namespace sax_fastparser
{
// wastage to keep MSVC happy vs. an in-line {}
FastTokenHandlerBase::~FastTokenHandlerBase()
{
}
UnknownAttribute::UnknownAttribute( const OUString& rNamespaceURL, const OString& rName, const OString& value )
: maNamespaceURL( rNamespaceURL ), maName( rName ), maValue( value )
{
}
UnknownAttribute::UnknownAttribute( const OString& rName, const OString& value )
: maName( rName ), maValue( value )
{
}
void UnknownAttribute::FillAttribute( Attribute* pAttrib ) const
{
if( pAttrib )
{
pAttrib->Name = OStringToOUString( maName, RTL_TEXTENCODING_UTF8 );
pAttrib->NamespaceURL = maNamespaceURL;
pAttrib->Value = OStringToOUString( maValue, RTL_TEXTENCODING_UTF8 );
}
}
FastAttributeList::FastAttributeList( const css::uno::Reference< css::xml::sax::XFastTokenHandler >& xTokenHandler,
sax_fastparser::FastTokenHandlerBase *pTokenHandler)
: mxTokenHandler( xTokenHandler ),
mpTokenHandler( pTokenHandler )
{
// random initial size of buffer to store attribute values
mnChunkLength = 58;
mpChunk = static_cast<sal_Char *>(malloc( mnChunkLength ));
maAttributeValues.push_back( 0 );
}
FastAttributeList::~FastAttributeList()
{
free( mpChunk );
}
void FastAttributeList::clear()
{
maAttributeTokens.clear();
maAttributeValues.resize(1);
assert(maAttributeValues[0] == 0);
if (!maUnknownAttributes.empty())
maUnknownAttributes.clear();
}
void FastAttributeList::add( sal_Int32 nToken, const sal_Char* pValue, size_t nValueLength )
{
assert(nToken != -1);
maAttributeTokens.push_back( nToken );
sal_Int32 nWritePosition = maAttributeValues.back();
maAttributeValues.push_back( maAttributeValues.back() + nValueLength + 1 );
if (maAttributeValues.back() > mnChunkLength)
{
mnChunkLength = std::max(mnChunkLength * 2, maAttributeValues.back());
mpChunk = static_cast<sal_Char *>(realloc( mpChunk, mnChunkLength ));
}
strncpy(mpChunk + nWritePosition, pValue, nValueLength);
mpChunk[nWritePosition + nValueLength] = '\0';
}
void FastAttributeList::add( sal_Int32 nToken, const sal_Char* pValue )
{
add( nToken, pValue, strlen( pValue ));
}
void FastAttributeList::add( sal_Int32 nToken, const OString& rValue )
{
add( nToken, rValue.getStr(), rValue.getLength() );
}
void FastAttributeList::addNS( sal_Int32 nNamespaceToken, sal_Int32 nToken, const OString& rValue )
{
sal_Int32 nCombinedToken = (nNamespaceToken << 16) | nToken;
add( nCombinedToken, rValue );
}
void FastAttributeList::addUnknown( const OUString& rNamespaceURL, const OString& rName, const OString& value )
{
maUnknownAttributes.emplace_back( rNamespaceURL, rName, value );
}
void FastAttributeList::addUnknown( const OString& rName, const OString& value )
{
maUnknownAttributes.emplace_back( rName, value );
}
// XFastAttributeList
sal_Bool FastAttributeList::hasAttribute( ::sal_Int32 Token )
{
for (sal_Int32 i : maAttributeTokens)
if (i == Token)
return true;
return false;
}
sal_Int32 FastAttributeList::getValueToken( ::sal_Int32 Token )
{
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == Token)
return FastTokenHandlerBase::getTokenFromChars(
mxTokenHandler, mpTokenHandler,
getFastAttributeValue(i),
AttributeValueLength( i ) );
throw SAXException();
}
sal_Int32 FastAttributeList::getOptionalValueToken( ::sal_Int32 Token, ::sal_Int32 Default )
{
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == Token)
return FastTokenHandlerBase::getTokenFromChars(
mxTokenHandler, mpTokenHandler,
getFastAttributeValue(i),
AttributeValueLength( i ) );
return Default;
}
// performance sensitive shortcuts to avoid allocation ...
bool FastAttributeList::getAsInteger( sal_Int32 nToken, sal_Int32 &rInt) const
{
rInt = 0;
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == nToken)
{
rInt = rtl_str_toInt32( getFastAttributeValue(i), 10 );
return true;
}
return false;
}
sal_Int32 FastAttributeList::getAsIntegerByIndex( sal_Int32 nTokenIndex ) const
{
return rtl_str_toInt32( getFastAttributeValue(nTokenIndex), 10 );
}
bool FastAttributeList::getAsDouble( sal_Int32 nToken, double &rDouble) const
{
rDouble = 0.0;
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == nToken)
{
rDouble = rtl_str_toDouble( getFastAttributeValue(i) );
return true;
}
return false;
}
bool FastAttributeList::getAsChar( sal_Int32 nToken, const char*& rPos ) const
{
for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
{
if (maAttributeTokens[i] != nToken)
continue;
sal_Int32 nOffset = maAttributeValues[i];
rPos = mpChunk + nOffset;
return true;
}
return false;
}
const char* FastAttributeList::getAsCharByIndex( sal_Int32 nTokenIndex ) const
{
sal_Int32 nOffset = maAttributeValues[nTokenIndex];
return mpChunk + nOffset;
}
OUString FastAttributeList::getValue( ::sal_Int32 Token )
{
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == Token)
return OUString( getFastAttributeValue(i), AttributeValueLength(i), RTL_TEXTENCODING_UTF8 );
throw SAXException();
}
OUString FastAttributeList::getValueByIndex( ::sal_Int32 nTokenIndex ) const
{
return OUString( getFastAttributeValue(nTokenIndex), AttributeValueLength(nTokenIndex), RTL_TEXTENCODING_UTF8 );
}
OUString FastAttributeList::getOptionalValue( ::sal_Int32 Token )
{
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == Token)
return OUString( getFastAttributeValue(i), AttributeValueLength(i), RTL_TEXTENCODING_UTF8 );
return OUString();
}
Sequence< Attribute > FastAttributeList::getUnknownAttributes( )
{
Sequence< Attribute > aSeq( maUnknownAttributes.size() );
Attribute* pAttr = aSeq.getArray();
for( UnknownAttributeList::iterator attrIter = maUnknownAttributes.begin(); attrIter != maUnknownAttributes.end(); ++attrIter )
(*attrIter).FillAttribute( pAttr++ );
return aSeq;
}
Sequence< FastAttribute > FastAttributeList::getFastAttributes( )
{
Sequence< FastAttribute > aSeq( maAttributeTokens.size() );
FastAttribute* pAttr = aSeq.getArray();
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
{
pAttr->Token = maAttributeTokens[i];
pAttr->Value = OUString( getFastAttributeValue(i), AttributeValueLength(i), RTL_TEXTENCODING_UTF8 );
pAttr++;
}
return aSeq;
}
const FastAttributeList::FastAttributeIter FastAttributeList::find( sal_Int32 nToken ) const
{
for (size_t i = 0; i < maAttributeTokens.size(); ++i)
if( maAttributeTokens[i] == nToken )
return FastAttributeIter(*this, i);
return end();
}
sal_Int32 FastTokenHandlerBase::getTokenFromChars(
const css::uno::Reference< css::xml::sax::XFastTokenHandler > &xTokenHandler,
const FastTokenHandlerBase *pTokenHandler,
const char *pToken, size_t nLen /* = 0 */ )
{
sal_Int32 nRet;
if( !nLen )
nLen = strlen( pToken );
if( pTokenHandler )
nRet = pTokenHandler->getTokenDirect( pToken, static_cast<sal_Int32>(nLen) );
else
{
// heap allocate, copy & then free
Sequence< sal_Int8 > aSeq( reinterpret_cast<sal_Int8 const *>(pToken), nLen );
nRet = xTokenHandler->getTokenFromUTF8( aSeq );
}
return nRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V701 realloc() possible leak: when realloc() fails in allocating memory, original pointer 'mpChunk' is lost. Consider assigning realloc() to a temporary pointer.