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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 <cppuhelper/supportsservice.hxx>
#include <chaptercollator.hxx>
#include <com/sun/star/i18n/KCharacterType.hpp>
#include <com/sun/star/i18n/ParseResult.hpp>
#include <com/sun/star/i18n/CharacterClassification.hpp>
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::i18n;
namespace i18npool {
ChapterCollator::ChapterCollator( const Reference < XComponentContext >& rxContext ) : CollatorImpl(rxContext)
{
cclass = CharacterClassification::create( rxContext );
}
ChapterCollator::~ChapterCollator()
{
}
sal_Int32 SAL_CALL
ChapterCollator::compareString( const OUString& s1, const OUString& s2)
{
return compareSubstring(s1, 0, s1.getLength(), s2, 0, s2.getLength());
}
#define DIGIT KCharacterType::DIGIT
sal_Int32 SAL_CALL
ChapterCollator::compareSubstring( const OUString& str1, sal_Int32 off1, sal_Int32 len1,
const OUString& str2, sal_Int32 off2, sal_Int32 len2)
{
if( len1 <= 1 || len2 <= 1 || ! cclass.is() )
return CollatorImpl::compareSubstring( str1, off1, len1, str2, off2, len2 );
sal_Int32 i1, i2;
for (i1 = len1; i1 && (cclass->getCharacterType(str1, off1+i1-1, nLocale) & DIGIT); i1--) ;
for (i2 = len2; i2 && (cclass->getCharacterType(str2, off2+i2-1, nLocale) & DIGIT); i2--) ;
sal_Int32 ans = CollatorImpl::compareSubstring(str1, off1, i1, str2, off2, i2);
if( ans != 0 )
return ans;
static const OUStringLiteral aAddAllowed(u"?");
ParseResult res1, res2;
// since parseAnyToken does not take length as parameter, we have to copy
// it to a temp. string.
OUString s1 = str1.copy(off1+i1, len1-i1), s2 = str2.copy(off2+i2, len2-i2);
res1 = cclass->parseAnyToken( s1, 0, nLocale, DIGIT, aAddAllowed, DIGIT, aAddAllowed );
res2 = cclass->parseAnyToken( s2, 0, nLocale, DIGIT, aAddAllowed, DIGIT, aAddAllowed );
return res1.Value == res2.Value ? 0 : res1.Value > res2.Value ? 1 : -1;
}
constexpr OUStringLiteral cChapCollator = u"com.sun.star.i18n.ChapterCollator";
OUString SAL_CALL
ChapterCollator::getImplementationName()
{
return cChapCollator;
}
sal_Bool SAL_CALL
ChapterCollator::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
Sequence< OUString > SAL_CALL
ChapterCollator::getSupportedServiceNames()
{
Sequence< OUString > aRet { cChapCollator };
return aRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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