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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 <xmlsecurity/biginteger.hxx>
#include "xmlsecurity/xmlsec-wrapper.h"
#include <com/sun/star/uno/Sequence.hxx>
using namespace ::com::sun::star::uno ;
Sequence< sal_Int8 > numericStringToBigInteger ( const OUString& numeral )
{
if( numeral.getStr() != NULL )
{
xmlChar* chNumeral ;
const xmlSecByte* bnInteger ;
xmlSecSize length ;
xmlSecBn bn ;
OString onumeral = OUStringToOString( numeral , RTL_TEXTENCODING_ASCII_US ) ;
chNumeral = xmlStrndup( ( const xmlChar* )onumeral.getStr(), ( int )onumeral.getLength() ) ;
if( xmlSecBnInitialize( &bn, 0 ) < 0 ) {
xmlFree( chNumeral ) ;
return Sequence< sal_Int8 >();
}
if( xmlSecBnFromDecString( &bn, chNumeral ) < 0 ) {
xmlFree( chNumeral ) ;
xmlSecBnFinalize( &bn ) ;
return Sequence< sal_Int8 >();
}
xmlFree( chNumeral ) ;
length = xmlSecBnGetSize( &bn ) ;
if( length <= 0 ) {
xmlSecBnFinalize( &bn ) ;
return Sequence< sal_Int8 >();
}
bnInteger = xmlSecBnGetData( &bn ) ;
if( bnInteger == NULL ) {
xmlSecBnFinalize( &bn ) ;
return Sequence< sal_Int8 >();
}
Sequence< sal_Int8 > integer( length ) ;
for( unsigned int i = 0 ; i < length ; i ++ )
{
integer[i] = *( bnInteger + i ) ;
}
xmlSecBnFinalize( &bn ) ;
return integer ;
}
return Sequence< sal_Int8 >();
}
OUString bigIntegerToNumericString ( const Sequence< sal_Int8 >& integer )
{
OUString aRet ;
if( integer.getLength() ) {
xmlSecBn bn ;
xmlChar* chNumeral ;
if( xmlSecBnInitialize( &bn, 0 ) < 0 )
return aRet ;
if( xmlSecBnSetData( &bn, ( const unsigned char* )&integer[0], integer.getLength() ) < 0 ) {
xmlSecBnFinalize( &bn ) ;
return aRet ;
}
chNumeral = xmlSecBnToDecString( &bn ) ;
if( chNumeral == NULL ) {
xmlSecBnFinalize( &bn ) ;
return aRet ;
}
aRet = OUString::createFromAscii( ( const char* )chNumeral ) ;
xmlSecBnFinalize( &bn ) ;
xmlFree( chNumeral ) ;
}
return aRet ;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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