diff options
Diffstat (limited to 'i18npool/source/transliteration/transliteration_caseignore.cxx')
-rw-r--r-- | i18npool/source/transliteration/transliteration_caseignore.cxx | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/i18npool/source/transliteration/transliteration_caseignore.cxx b/i18npool/source/transliteration/transliteration_caseignore.cxx new file mode 100644 index 000000000..dcd7b3b94 --- /dev/null +++ b/i18npool/source/transliteration/transliteration_caseignore.cxx @@ -0,0 +1,146 @@ +/* -*- 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 <com/sun/star/i18n/TransliterationType.hpp> +#include <rtl/ref.hxx> + +#include <i18nutil/casefolding.hxx> +#include <i18nutil/transliteration.hxx> + +#include <transliteration_caseignore.hxx> + +namespace com::sun::star::uno { class XComponentContext; } + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::i18n; +using namespace ::com::sun::star::lang; + +namespace i18npool { + +Transliteration_caseignore::Transliteration_caseignore() +{ + nMappingType = MappingType::FullFolding; + moduleLoaded = TransliterationFlags::NONE; + transliterationName = "case ignore (generic)"; + implementationName = "com.sun.star.i18n.Transliteration.Transliteration_caseignore"; +} + +void SAL_CALL +Transliteration_caseignore::loadModule( TransliterationModules modName, const Locale& rLocale ) +{ + moduleLoaded |= static_cast<TransliterationFlags>(modName); + aLocale = rLocale; +} + +sal_Int16 SAL_CALL Transliteration_caseignore::getType() +{ + // It's NOT TransliterationType::ONE_TO_ONE because it's using casefolding + return TransliterationType::IGNORE; +} + + +Sequence< OUString > SAL_CALL +Transliteration_caseignore::transliterateRange( const OUString& str1, const OUString& str2 ) +{ + if (str1.getLength() != 1 || str2.getLength() != 1) + throw RuntimeException(); + + static rtl::Reference< Transliteration_u2l > u2l(new Transliteration_u2l); + static rtl::Reference< Transliteration_l2u > l2u(new Transliteration_l2u); + + u2l->loadModule(TransliterationModules(0), aLocale); + l2u->loadModule(TransliterationModules(0), aLocale); + + OUString l1 = u2l->transliterateString2String(str1, 0, str1.getLength()); + OUString u1 = l2u->transliterateString2String(str1, 0, str1.getLength()); + OUString l2 = u2l->transliterateString2String(str2, 0, str2.getLength()); + OUString u2 = l2u->transliterateString2String(str2, 0, str2.getLength()); + + if ((l1 == u1) && (l2 == u2)) { + return { l1, l2 }; + } else { + return { l1, l2, u1, u2 }; + } +} + +sal_Bool SAL_CALL +Transliteration_caseignore::equals( + const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1, + const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2) +{ + return (compare(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2) == 0); +} + +sal_Int32 SAL_CALL +Transliteration_caseignore::compareSubstring( + const OUString& str1, sal_Int32 off1, sal_Int32 len1, + const OUString& str2, sal_Int32 off2, sal_Int32 len2) +{ + sal_Int32 nMatch1, nMatch2; + return compare(str1, off1, len1, nMatch1, str2, off2, len2, nMatch2); +} + + +sal_Int32 SAL_CALL +Transliteration_caseignore::compareString( + const OUString& str1, + const OUString& str2) +{ + sal_Int32 nMatch1, nMatch2; + return compare(str1, 0, str1.getLength(), nMatch1, str2, 0, str2.getLength(), nMatch2); +} + +sal_Int32 +Transliteration_caseignore::compare( + const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1, + const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2) +{ + const sal_Unicode *unistr1 = const_cast<sal_Unicode*>(str1.getStr()) + pos1; + const sal_Unicode *unistr2 = const_cast<sal_Unicode*>(str2.getStr()) + pos2; + sal_Unicode c1, c2; + i18nutil::MappingElement e1, e2; + nMatch1 = nMatch2 = 0; + +#define NOT_END_OF_STR1 (nMatch1 < nCount1 || e1.current < e1.element.nmap) +#define NOT_END_OF_STR2 (nMatch2 < nCount2 || e2.current < e2.element.nmap) + + while (NOT_END_OF_STR1 && NOT_END_OF_STR2) { + c1 = i18nutil::casefolding::getNextChar(unistr1, nMatch1, nCount1, e1, aLocale, nMappingType, moduleLoaded); + c2 = i18nutil::casefolding::getNextChar(unistr2, nMatch2, nCount2, e2, aLocale, nMappingType, moduleLoaded); + if (c1 != c2) { + nMatch1--; nMatch2--; + return c1 > c2 ? 1 : -1; + } + } + + return (!NOT_END_OF_STR1 && !NOT_END_OF_STR2) ? 0 + : (NOT_END_OF_STR1 ? 1 : -1); +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_i18n_Transliteration_IGNORE_CASE_get_implementation( + css::uno::XComponentContext *, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new i18npool::Transliteration_caseignore()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |