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 using namespace ::rtl;
  30
  31 namespace com { namespace sun { namespace star { namespace i18n {
  32
  33 Transliteration_caseignore::Transliteration_caseignore()
  34 {
  35     nMappingType = MappingTypeFullFolding;
  36     moduleLoaded = (TransliterationModules)0;
  37     transliterationName = "case ignore (generic)";
  38     implementationName = "com.sun.star.i18n.Transliteration.Transliteration_caseignore";
  39 }
  40
  41 void SAL_CALL
  42 Transliteration_caseignore::loadModule( TransliterationModules modName, const Locale& rLocale )
  43     throw(RuntimeException, std::exception)
  44 {
  45     moduleLoaded = (TransliterationModules) (moduleLoaded|modName);
  46     aLocale = rLocale;
  47 }
  48
  49 sal_Int16 SAL_CALL Transliteration_caseignore::getType() throw(RuntimeException, std::exception)
  50 {
  51     // It's NOT TransliterationType::ONE_TO_ONE because it's using casefolding
  52     return TransliterationType::IGNORE;
  53 }
  54
  55
  56 Sequence< OUString > SAL_CALL
  57 Transliteration_caseignore::transliterateRange( const OUString& str1, const OUString& str2 )
  58     throw( RuntimeException, std::exception)
  59 {
  60     if (str1.getLength() != 1 || str2.getLength() != 1)
  61         throw RuntimeException();
  62
  63     static Transliteration_u2l u2l;
  64     static Transliteration_l2u l2u;
  65
  66     u2l.loadModule((TransliterationModules)0, aLocale);
  67     l2u.loadModule((TransliterationModules)0, aLocale);
  68
  69     OUString l1 = u2l.transliterateString2String(str1, 0, str1.getLength());
  70     OUString u1 = l2u.transliterateString2String(str1, 0, str1.getLength());
  71     OUString l2 = u2l.transliterateString2String(str2, 0, str2.getLength());
  72     OUString u2 = l2u.transliterateString2String(str2, 0, str2.getLength());
  73
  74     if ((l1 == u1) && (l2 == u2)) {
  75         Sequence< OUString > r(2);
  76         r[0] = l1;
  77         r[1] = l2;
  78         return r;
  79     } else {
  80         Sequence< OUString > r(4);
  81         r[0] = l1;
  82         r[1] = l2;
  83         r[2] = u1;
  84         r[3] = u2;
  85         return r;
  86     }
  87 }
  88
  89 sal_Bool SAL_CALL
  90 Transliteration_caseignore::equals(
  91     const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
  92     const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
  93     throw(::com::sun::star::uno::RuntimeException, std::exception)
  94 {
  95     return (compare(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2) == 0);
  96 }
  97
  98 sal_Int32 SAL_CALL
  99 Transliteration_caseignore::compareSubstring(
 100     const OUString& str1, sal_Int32 off1, sal_Int32 len1,
 101     const OUString& str2, sal_Int32 off2, sal_Int32 len2)
 102     throw(RuntimeException, std::exception)
 103 {
 104     sal_Int32 nMatch1, nMatch2;
 105     return compare(str1, off1, len1, nMatch1, str2, off2, len2, nMatch2);
 106 }
 107
 108
 109 sal_Int32 SAL_CALL
 110 Transliteration_caseignore::compareString(
 111     const OUString& str1,
 112     const OUString& str2)
 113     throw(RuntimeException, std::exception)
 114 {
 115     sal_Int32 nMatch1, nMatch2;
 116     return compare(str1, 0, str1.getLength(), nMatch1, str2, 0, str2.getLength(), nMatch2);
 117 }
 118
 119 sal_Int32 SAL_CALL
 120 Transliteration_caseignore::compare(
 121     const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
 122     const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
 123     throw(RuntimeException)
 124 {
 125     const sal_Unicode *unistr1 = (sal_Unicode*) str1.getStr() + pos1;
 126     const sal_Unicode *unistr2 = (sal_Unicode*) str2.getStr() + pos2;
 127     sal_Unicode c1, c2;
 128     MappingElement e1, e2;
 129     nMatch1 = nMatch2 = 0;
 130
 131 #define NOT_END_OF_STR1 (nMatch1 < nCount1 || e1.current < e1.element.nmap)
 132 #define NOT_END_OF_STR2 (nMatch2 < nCount2 || e2.current < e2.element.nmap)
 133
 134     while (NOT_END_OF_STR1 && NOT_END_OF_STR2) {
 135         c1 = casefolding::getNextChar(unistr1, nMatch1, nCount1, e1, aLocale, nMappingType, moduleLoaded);
 136         c2 = casefolding::getNextChar(unistr2, nMatch2, nCount2, e2, aLocale, nMappingType, moduleLoaded);
 137         if (c1 != c2) {
 138         nMatch1--; nMatch2--;
 139         return c1 > c2 ? 1 : -1;
 140         }
 141     }
 142
 143     return (!NOT_END_OF_STR1 && !NOT_END_OF_STR2) ? 0
 144                 : (NOT_END_OF_STR1 ? 1 : -1);
 145 }
 146
 147 } } } }
 148
 149 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
 150 com_sun_star_i18n_Transliteration_IGNORE_CASE_get_implementation(
 151     css::uno::XComponentContext *,
 152     css::uno::Sequence<css::uno::Any> const &)
 153 {
 154     return cppu::acquire(new css::i18n::Transliteration_caseignore());
 155 }
 156
 157 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */