# Cppcheck report - LibreOffice: i18npool/source/transliteration/transliteration_caseignore.cxx

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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 <com/sun/star/uno/XComponentContext.hpp>

    #include <i18nutil/oneToOneMapping.hxx>
    #include <i18nutil/casefolding.hxx>

    #include "transliteration_caseignore.hxx"

    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::lang;

    namespace com { namespace sun { namespace star { namespace i18n {

    Transliteration_caseignore::Transliteration_caseignore()
    {
        nMappingType = MappingTypeFullFolding;
        moduleLoaded = (TransliterationModules)0;
        transliterationName = "case ignore (generic)";
        implementationName = "com.sun.star.i18n.Transliteration.Transliteration_caseignore";
    }

    void SAL_CALL
    Transliteration_caseignore::loadModule( TransliterationModules modName, const Locale& rLocale )
        throw(RuntimeException, std::exception)
    {
        moduleLoaded = (TransliterationModules) (moduleLoaded|modName);
        aLocale = rLocale;
    }

    sal_Int16 SAL_CALL Transliteration_caseignore::getType() throw(RuntimeException, std::exception)
    {
        // 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 )
        throw( RuntimeException, std::exception)
    {
        if (str1.getLength() != 1 || str2.getLength() != 1)
            throw RuntimeException();

        static Transliteration_u2l u2l;
        static Transliteration_l2u 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)) {
            Sequence< OUString > r(2);
            r[0] = l1;
            r[1] = l2;
            return r;
        } else {
            Sequence< OUString > r(4);
            r[0] = l1;
            r[1] = l2;
            r[2] = u1;
            r[3] = u2;
            return r;
        }
    }

    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)
        throw(::com::sun::star::uno::RuntimeException, std::exception)
    {
        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)
        throw(RuntimeException, std::exception)
    {
        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)
        throw(RuntimeException, std::exception)
    {
        sal_Int32 nMatch1, nMatch2;
        return compare(str1, 0, str1.getLength(), nMatch1, str2, 0, str2.getLength(), nMatch2);
    }

    sal_Int32 SAL_CALL
    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)
        throw(RuntimeException)
    {
        const sal_Unicode *unistr1 = (sal_Unicode*) str1.getStr() + pos1;
        const sal_Unicode *unistr2 = (sal_Unicode*) str2.getStr() + pos2;
        sal_Unicode c1, c2;
        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 = casefolding::getNextChar(unistr1, nMatch1, nCount1, e1, aLocale, nMappingType, moduleLoaded);
            c2 = 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 * SAL_CALL
    com_sun_star_i18n_Transliteration_IGNORE_CASE_get_implementation(<--- The function 'com_sun_star_i18n_Transliteration_IGNORE_CASE_get_implementation' is never used.
        css::uno::XComponentContext *,
        css::uno::Sequence<css::uno::Any> const &)
    {
        return cppu::acquire(new css::i18n::Transliteration_caseignore());
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */