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/*************************************************************************
*
* 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/helper/attributelist.hxx"
#include <osl/diagnose.h>
#include <rtl/ustrbuf.hxx>
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::util::DateTime;
using ::com::sun::star::xml::sax::XFastAttributeList;
namespace oox {
// ============================================================================
namespace {
const sal_Int32 XSTRING_ENCCHAR_LEN = 7;
bool lclAddHexDigit( sal_Unicode& orcChar, sal_Unicode cDigit, int nBitShift )
{
if( ('0' <= cDigit) && (cDigit <= '9') ) { orcChar |= ((cDigit - '0') << nBitShift); return true; }
if( ('a' <= cDigit) && (cDigit <= 'f') ) { orcChar |= ((cDigit - 'a' + 10) << nBitShift); return true; }
if( ('A' <= cDigit) && (cDigit <= 'F') ) { orcChar |= ((cDigit - 'A' + 10) << nBitShift); return true; }
return false;
}
sal_Unicode lclGetXChar( const sal_Unicode*& rpcStr, const sal_Unicode* pcEnd )
{
sal_Unicode cChar = 0;
if( (pcEnd - rpcStr >= XSTRING_ENCCHAR_LEN) &&
(rpcStr[ 0 ] == '_') &&
(rpcStr[ 1 ] == 'x') &&
(rpcStr[ 6 ] == '_') &&
lclAddHexDigit( cChar, rpcStr[ 2 ], 12 ) &&
lclAddHexDigit( cChar, rpcStr[ 3 ], 8 ) &&
lclAddHexDigit( cChar, rpcStr[ 4 ], 4 ) &&
lclAddHexDigit( cChar, rpcStr[ 5 ], 0 ) )
{
rpcStr += XSTRING_ENCCHAR_LEN;
return cChar;
}
return *rpcStr++;
}
} // namespace
// ----------------------------------------------------------------------------
OUString AttributeConversion::decodeXString( const OUString& rValue )
{
// string shorter than one encoded character - no need to decode
if( rValue.getLength() < XSTRING_ENCCHAR_LEN )
return rValue;
OUStringBuffer aBuffer;
const sal_Unicode* pcStr = rValue.getStr();
const sal_Unicode* pcEnd = pcStr + rValue.getLength();
while( pcStr < pcEnd )
aBuffer.append( lclGetXChar( pcStr, pcEnd ) );
return aBuffer.makeStringAndClear();
}
double AttributeConversion::decodeDouble( const OUString& rValue )
{
return rValue.toDouble();
}
sal_Int32 AttributeConversion::decodeInteger( const OUString& rValue )
{
return rValue.toInt32();
}
sal_uInt32 AttributeConversion::decodeUnsigned( const OUString& rValue )
{
return getLimitedValue< sal_uInt32, sal_Int64 >( rValue.toInt64(), 0, SAL_MAX_UINT32 );
}
sal_Int64 AttributeConversion::decodeHyper( const OUString& rValue )
{
return rValue.toInt64();
}
sal_Int32 AttributeConversion::decodeIntegerHex( const OUString& rValue )
{
return rValue.toInt32( 16 );
}
sal_uInt32 AttributeConversion::decodeUnsignedHex( const OUString& rValue )
{
return getLimitedValue< sal_uInt32, sal_Int64 >( rValue.toInt64( 16 ), 0, SAL_MAX_UINT32 );
}
sal_Int64 AttributeConversion::decodeHyperHex( const OUString& rValue )
{
return rValue.toInt64( 16 );
}
// ============================================================================
AttributeList::AttributeList( const Reference< XFastAttributeList >& rxAttribs ) :
mxAttribs( rxAttribs )
{
OSL_ENSURE( mxAttribs.is(), "AttributeList::AttributeList - missing attribute list interface" );
}
bool AttributeList::hasAttribute( sal_Int32 nAttrToken ) const
{
return mxAttribs->hasAttribute( nAttrToken );
}
// optional return values -----------------------------------------------------
OptValue< sal_Int32 > AttributeList::getToken( sal_Int32 nAttrToken ) const
{
sal_Int32 nToken = mxAttribs->getOptionalValueToken( nAttrToken, XML_TOKEN_INVALID );
return OptValue< sal_Int32 >( nToken != XML_TOKEN_INVALID, nToken );
}
OptValue< OUString > AttributeList::getString( sal_Int32 nAttrToken ) const
{
// check if the attribute exists (empty string may be different to missing attribute)
if( mxAttribs->hasAttribute( nAttrToken ) )
return OptValue< OUString >( mxAttribs->getOptionalValue( nAttrToken ) );
return OptValue< OUString >();
}
OptValue< OUString > AttributeList::getXString( sal_Int32 nAttrToken ) const
{
// check if the attribute exists (empty string may be different to missing attribute)
if( mxAttribs->hasAttribute( nAttrToken ) )
return OptValue< OUString >( AttributeConversion::decodeXString( mxAttribs->getOptionalValue( nAttrToken ) ) );
return OptValue< OUString >();
}
OptValue< double > AttributeList::getDouble( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< double >( bValid, bValid ? AttributeConversion::decodeDouble( aValue ) : 0.0 );
}
OptValue< sal_Int32 > AttributeList::getInteger( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< sal_Int32 >( bValid, bValid ? AttributeConversion::decodeInteger( aValue ) : 0 );
}
OptValue< sal_uInt32 > AttributeList::getUnsigned( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< sal_uInt32 >( bValid, AttributeConversion::decodeUnsigned( aValue ) );
}
OptValue< sal_Int64 > AttributeList::getHyper( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< sal_Int64 >( bValid, bValid ? AttributeConversion::decodeHyper( aValue ) : 0 );
}
OptValue< sal_Int32 > AttributeList::getIntegerHex( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< sal_Int32 >( bValid, bValid ? AttributeConversion::decodeIntegerHex( aValue ) : 0 );
}
OptValue< sal_uInt32 > AttributeList::getUnsignedHex( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< sal_uInt32 >( bValid, bValid ? AttributeConversion::decodeUnsignedHex( aValue ) : 0 );
}
OptValue< sal_Int64 > AttributeList::getHyperHex( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
bool bValid = aValue.getLength() > 0;
return OptValue< sal_Int64 >( bValid, bValid ? AttributeConversion::decodeHyperHex( aValue ) : 0 );
}
OptValue< bool > AttributeList::getBool( sal_Int32 nAttrToken ) const
{
// boolean attributes may be "t", "f", "true", "false", "on", "off", "1", or "0"
switch( getToken( nAttrToken, XML_TOKEN_INVALID ) )
{
case XML_t: return OptValue< bool >( true ); // used in VML
case XML_true: return OptValue< bool >( true );
case XML_on: return OptValue< bool >( true );
case XML_f: return OptValue< bool >( false ); // used in VML
case XML_false: return OptValue< bool >( false );
case XML_off: return OptValue< bool >( false );
}
OptValue< sal_Int32 > onValue = getInteger( nAttrToken );
return OptValue< bool >( onValue.has(), onValue.get() != 0 );
}
OptValue< DateTime > AttributeList::getDateTime( sal_Int32 nAttrToken ) const
{
OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
DateTime aDateTime;
bool bValid = (aValue.getLength() == 19) && (aValue[ 4 ] == '-') && (aValue[ 7 ] == '-') &&
(aValue[ 10 ] == 'T') && (aValue[ 13 ] == ':') && (aValue[ 16 ] == ':');
if( bValid )
{
aDateTime.Year = static_cast< sal_uInt16 >( aValue.copy( 0, 4 ).toInt32() );
aDateTime.Month = static_cast< sal_uInt16 >( aValue.copy( 5, 2 ).toInt32() );
aDateTime.Day = static_cast< sal_uInt16 >( aValue.copy( 8, 2 ).toInt32() );
aDateTime.Hours = static_cast< sal_uInt16 >( aValue.copy( 11, 2 ).toInt32() );
aDateTime.Minutes = static_cast< sal_uInt16 >( aValue.copy( 14, 2 ).toInt32() );
aDateTime.Seconds = static_cast< sal_uInt16 >( aValue.copy( 17, 2 ).toInt32() );
}
return OptValue< DateTime >( bValid, aDateTime );
}
// defaulted return values ----------------------------------------------------
sal_Int32 AttributeList::getToken( sal_Int32 nAttrToken, sal_Int32 nDefault ) const
{
return mxAttribs->getOptionalValueToken( nAttrToken, nDefault );
}
OUString AttributeList::getString( sal_Int32 nAttrToken, const OUString& rDefault ) const
{
try
{
return mxAttribs->getValue( nAttrToken );
}
catch( Exception& )
{
}
return rDefault;
}
OUString AttributeList::getXString( sal_Int32 nAttrToken, const OUString& rDefault ) const
{
return getXString( nAttrToken ).get( rDefault );
}
double AttributeList::getDouble( sal_Int32 nAttrToken, double fDefault ) const
{
return getDouble( nAttrToken ).get( fDefault );
}
sal_Int32 AttributeList::getInteger( sal_Int32 nAttrToken, sal_Int32 nDefault ) const
{
return getInteger( nAttrToken ).get( nDefault );
}
sal_uInt32 AttributeList::getUnsigned( sal_Int32 nAttrToken, sal_uInt32 nDefault ) const
{
return getUnsigned( nAttrToken ).get( nDefault );
}
sal_Int64 AttributeList::getHyper( sal_Int32 nAttrToken, sal_Int64 nDefault ) const
{
return getHyper( nAttrToken ).get( nDefault );
}
sal_Int32 AttributeList::getIntegerHex( sal_Int32 nAttrToken, sal_Int32 nDefault ) const
{
return getIntegerHex( nAttrToken ).get( nDefault );
}
sal_uInt32 AttributeList::getUnsignedHex( sal_Int32 nAttrToken, sal_uInt32 nDefault ) const
{
return getUnsignedHex( nAttrToken ).get( nDefault );
}
sal_Int64 AttributeList::getHyperHex( sal_Int32 nAttrToken, sal_Int64 nDefault ) const
{
return getHyperHex( nAttrToken ).get( nDefault );
}
bool AttributeList::getBool( sal_Int32 nAttrToken, bool bDefault ) const
{
return getBool( nAttrToken ).get( bDefault );
}
DateTime AttributeList::getDateTime( sal_Int32 nAttrToken, const DateTime& rDefault ) const
{
return getDateTime( nAttrToken ).get( rDefault );
}
// ============================================================================
} // namespace oox
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