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
  21 // prevent internal compiler error with MSVC6SP3
  22 #include <utility>
  23
  24 #include <i18nutil/oneToOneMapping.hxx>
  25 #include <i18nutil/casefolding.hxx>
  26 #include "transliteration_caseignore.hxx"
  27
  28 using namespace ::com::sun::star::uno;
  29 using namespace ::com::sun::star::lang;
  30 using namespace ::rtl;
  31
  32 namespace com { namespace sun { namespace star { namespace i18n {
  33
  34 Transliteration_caseignore::Transliteration_caseignore()
  35 {
  36     nMappingType = MappingTypeFullFolding;
  37     moduleLoaded = (TransliterationModules)0;
  38     transliterationName = "case ignore (generic)";
  39     implementationName = "com.sun.star.i18n.Transliteration.Transliteration_caseignore";
  40 }
  41
  42 void SAL_CALL
  43 Transliteration_caseignore::loadModule( TransliterationModules modName, const Locale& rLocale )
  44     throw(RuntimeException)
  45 {
  46     moduleLoaded = (TransliterationModules) (moduleLoaded|modName);
  47     aLocale = rLocale;
  48 }
  49
  50 sal_Int16 SAL_CALL Transliteration_caseignore::getType() throw(RuntimeException)
  51 {
  52     // It's NOT TransliterationType::ONE_TO_ONE because it's using casefolding
  53     return TransliterationType::IGNORE;
  54 }
  55
  56
  57 Sequence< OUString > SAL_CALL
  58 Transliteration_caseignore::transliterateRange( const OUString& str1, const OUString& str2 )
  59     throw( RuntimeException)
  60 {
  61     if (str1.getLength() != 1 || str2.getLength() != 1)
  62         throw RuntimeException();
  63
  64     static Transliteration_u2l u2l;
  65     static Transliteration_l2u l2u;
  66
  67     u2l.loadModule((TransliterationModules)0, aLocale);
  68     l2u.loadModule((TransliterationModules)0, aLocale);
  69
  70     OUString l1 = u2l.transliterateString2String(str1, 0, str1.getLength());
  71     OUString u1 = l2u.transliterateString2String(str1, 0, str1.getLength());
  72     OUString l2 = u2l.transliterateString2String(str2, 0, str2.getLength());
  73     OUString u2 = l2u.transliterateString2String(str2, 0, str2.getLength());
  74
  75     if ((l1 == u1) && (l2 == u2)) {
  76         Sequence< OUString > r(2);
  77         r[0] = l1;
  78         r[1] = l2;
  79         return r;
  80     } else {
  81         Sequence< OUString > r(4);
  82         r[0] = l1;
  83         r[1] = l2;
  84         r[2] = u1;
  85         r[3] = u2;
  86         return r;
  87     }
  88 }
  89
  90 sal_Bool SAL_CALL
  91 Transliteration_caseignore::equals(
  92     const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
  93     const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
  94     throw(::com::sun::star::uno::RuntimeException)
  95 {
  96     return (compare(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2) == 0);
  97 }
  98
  99 sal_Int32 SAL_CALL
 100 Transliteration_caseignore::compareSubstring(
 101     const OUString& str1, sal_Int32 off1, sal_Int32 len1,
 102     const OUString& str2, sal_Int32 off2, sal_Int32 len2)
 103     throw(RuntimeException)
 104 {
 105     sal_Int32 nMatch1, nMatch2;
 106     return compare(str1, off1, len1, nMatch1, str2, off2, len2, nMatch2);
 107 }
 108
 109
 110 sal_Int32 SAL_CALL
 111 Transliteration_caseignore::compareString(
 112     const OUString& str1,
 113     const OUString& str2)
 114     throw(RuntimeException)
 115 {
 116     sal_Int32 nMatch1, nMatch2;
 117     return compare(str1, 0, str1.getLength(), nMatch1, str2, 0, str2.getLength(), nMatch2);
 118 }
 119
 120 sal_Int32 SAL_CALL
 121 Transliteration_caseignore::compare(
 122     const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
 123     const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
 124     throw(RuntimeException)
 125 {
 126     const sal_Unicode *unistr1 = (sal_Unicode*) str1.getStr() + pos1;
 127     const sal_Unicode *unistr2 = (sal_Unicode*) str2.getStr() + pos2;
 128     sal_Unicode c1, c2;
 129     MappingElement e1, e2;
 130     nMatch1 = nMatch2 = 0;
 131
 132 #define NOT_END_OF_STR1 (nMatch1 < nCount1 || e1.current < e1.element.nmap)
 133 #define NOT_END_OF_STR2 (nMatch2 < nCount2 || e2.current < e2.element.nmap)
 134
 135     while (NOT_END_OF_STR1 && NOT_END_OF_STR2) {
 136         c1 = casefolding::getNextChar(unistr1, nMatch1, nCount1, e1, aLocale, nMappingType, moduleLoaded);
 137         c2 = casefolding::getNextChar(unistr2, nMatch2, nCount2, e2, aLocale, nMappingType, moduleLoaded);
 138         if (c1 != c2) {
 139         nMatch1--; nMatch2--;
 140         return c1 > c2 ? 1 : -1;
 141         }
 142     }
 143
 144     return (!NOT_END_OF_STR1 && !NOT_END_OF_STR2) ? 0
 145                 : (NOT_END_OF_STR1 ? 1 : -1);
 146 }
 147
 148 } } } }
 149
 150 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */