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Diffstat (limited to 'i18npool/source/collator/chaptercollator.cxx')
-rw-r--r-- | i18npool/source/collator/chaptercollator.cxx | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/i18npool/source/collator/chaptercollator.cxx b/i18npool/source/collator/chaptercollator.cxx new file mode 100644 index 000000000..fb4128a6c --- /dev/null +++ b/i18npool/source/collator/chaptercollator.cxx @@ -0,0 +1,97 @@ +/* -*- 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; + + const OUString aAddAllowed("?"); + 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; +} + +const char cChapCollator[] = "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: */ |