i18npool/source/transliteration/transliteration_caseignore.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <com/sun/star/uno/XComponentContext.hpp>
  21
  22 #include <i18nutil/oneToOneMapping.hxx>
  23 #include <i18nutil/casefolding.hxx>
  24
  25 #include "transliteration_caseignore.hxx"
  26
  27 using namespace ::com::sun::star::uno;
  28 using namespace ::com::sun::star::lang;
  29
  30 namespace com { namespace sun { namespace star { namespace i18n {
  31
  32 Transliteration_caseignore::Transliteration_caseignore()
  33 {
  34     nMappingType = MappingTypeFullFolding;
  35     moduleLoaded = (TransliterationModules)0;
  36     transliterationName = "case ignore (generic)";
  37     implementationName = "com.sun.star.i18n.Transliteration.Transliteration_caseignore";
  38 }
  39
  40 void SAL_CALL
  41 Transliteration_caseignore::loadModule( TransliterationModules modName, const Locale& rLocale )
  42     throw(RuntimeException, std::exception)
  43 {
  44     moduleLoaded = (TransliterationModules) (moduleLoaded|modName);
  45     aLocale = rLocale;
  46 }
  47
  48 sal_Int16 SAL_CALL Transliteration_caseignore::getType() throw(RuntimeException, std::exception)
  49 {
  50     // It's NOT TransliterationType::ONE_TO_ONE because it's using casefolding
  51     return TransliterationType::IGNORE;
  52 }
  53
  54
  55 Sequence< OUString > SAL_CALL
  56 Transliteration_caseignore::transliterateRange( const OUString& str1, const OUString& str2 )
  57     throw( RuntimeException, std::exception)
  58 {
  59     if (str1.getLength() != 1 || str2.getLength() != 1)
  60         throw RuntimeException();
  61
  62     static Transliteration_u2l u2l;
  63     static Transliteration_l2u l2u;
  64
  65     u2l.loadModule((TransliterationModules)0, aLocale);
  66     l2u.loadModule((TransliterationModules)0, aLocale);
  67
  68     OUString l1 = u2l.transliterateString2String(str1, 0, str1.getLength());
  69     OUString u1 = l2u.transliterateString2String(str1, 0, str1.getLength());
  70     OUString l2 = u2l.transliterateString2String(str2, 0, str2.getLength());
  71     OUString u2 = l2u.transliterateString2String(str2, 0, str2.getLength());
  72
  73     if ((l1 == u1) && (l2 == u2)) {
  74         Sequence< OUString > r(2);
  75         r[0] = l1;
  76         r[1] = l2;
  77         return r;
  78     } else {
  79         Sequence< OUString > r(4);
  80         r[0] = l1;
  81         r[1] = l2;
  82         r[2] = u1;
  83         r[3] = u2;
  84         return r;
  85     }
  86 }
  87
  88 sal_Bool SAL_CALL
  89 Transliteration_caseignore::equals(
  90     const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
  91     const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
  92     throw(::com::sun::star::uno::RuntimeException, std::exception)
  93 {
  94     return (compare(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2) == 0);
  95 }
  96
  97 sal_Int32 SAL_CALL
  98 Transliteration_caseignore::compareSubstring(
  99     const OUString& str1, sal_Int32 off1, sal_Int32 len1,
 100     const OUString& str2, sal_Int32 off2, sal_Int32 len2)
 101     throw(RuntimeException, std::exception)
 102 {
 103     sal_Int32 nMatch1, nMatch2;
 104     return compare(str1, off1, len1, nMatch1, str2, off2, len2, nMatch2);
 105 }
 106
 107
 108 sal_Int32 SAL_CALL
 109 Transliteration_caseignore::compareString(
 110     const OUString& str1,
 111     const OUString& str2)
 112     throw(RuntimeException, std::exception)
 113 {
 114     sal_Int32 nMatch1, nMatch2;
 115     return compare(str1, 0, str1.getLength(), nMatch1, str2, 0, str2.getLength(), nMatch2);
 116 }
 117
 118 sal_Int32 SAL_CALL
 119 Transliteration_caseignore::compare(
 120     const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
 121     const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
 122     throw(RuntimeException)
 123 {
 124     const sal_Unicode *unistr1 = const_cast<sal_Unicode*>(str1.getStr()) + pos1;
 125     const sal_Unicode *unistr2 = const_cast<sal_Unicode*>(str2.getStr()) + pos2;
 126     sal_Unicode c1, c2;
 127     MappingElement e1, e2;
 128     nMatch1 = nMatch2 = 0;
 129
 130 #define NOT_END_OF_STR1 (nMatch1 < nCount1 || e1.current < e1.element.nmap)
 131 #define NOT_END_OF_STR2 (nMatch2 < nCount2 || e2.current < e2.element.nmap)
 132
 133     while (NOT_END_OF_STR1 && NOT_END_OF_STR2) {
 134         c1 = casefolding::getNextChar(unistr1, nMatch1, nCount1, e1, aLocale, nMappingType, moduleLoaded);
 135         c2 = casefolding::getNextChar(unistr2, nMatch2, nCount2, e2, aLocale, nMappingType, moduleLoaded);
 136         if (c1 != c2) {
 137         nMatch1--; nMatch2--;
 138         return c1 > c2 ? 1 : -1;
 139         }
 140     }
 141
 142     return (!NOT_END_OF_STR1 && !NOT_END_OF_STR2) ? 0
 143                 : (NOT_END_OF_STR1 ? 1 : -1);
 144 }
 145
 146 } } } }
 147
 148 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
 149 com_sun_star_i18n_Transliteration_IGNORE_CASE_get_implementation(
 150     css::uno::XComponentContext *,
 151     css::uno::Sequence<css::uno::Any> const &)
 152 {
 153     return cppu::acquire(new css::i18n::Transliteration_caseignore());
 154 }
 155
 156 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */