i18npool/source/transliteration/fullwidthToHalfwidth.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 <sal/config.h>
  21
  22 #include <com/sun/star/i18n/MultipleCharsOutputException.hpp>
  23 #include <i18nutil/widthfolding.hxx>
  24
  25 #include <transliteration_OneToOne.hxx>
  26
  27 using namespace com::sun::star::uno;
  28 using namespace com::sun::star::i18n;
  29 using namespace com::sun::star::lang;
  30
  31 namespace i18npool {
  32
  33 fullwidthToHalfwidth::fullwidthToHalfwidth()
  34 {
  35     func = nullptr;
  36     table = &i18nutil::widthfolding::getfull2halfTable();
  37     transliterationName = "fullwidthToHalfwidth";
  38     implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTH_HALFWIDTH";
  39 }
  40
  41 /**
  42  * Transliterate fullwidth to halfwidth.
  43  * The output is a reference of OUString. You MUST delete this object when you do not need to use it any more
  44  * The output string contains a transliterated string only, not whole string.
  45  */
  46 OUString
  47 fullwidthToHalfwidth::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset, bool useOffset )
  48 {
  49     // Decomposition: GA --> KA + voice-mark
  50     const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, offset, useOffset);
  51
  52     // One to One mapping
  53     return transliteration_OneToOne::transliterateImpl( newStr, 0, newStr.getLength(), offset, false);
  54 }
  55
  56 sal_Unicode SAL_CALL
  57 fullwidthToHalfwidth::transliterateChar2Char( sal_Unicode inChar)
  58 {
  59     sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
  60     if (newChar == 0xFFFF)
  61         throw MultipleCharsOutputException();
  62     return transliteration_OneToOne::transliterateChar2Char(inChar);
  63 }
  64
  65 fullwidthKatakanaToHalfwidthKatakana::fullwidthKatakanaToHalfwidthKatakana()
  66 {
  67     func = nullptr;
  68     table = &i18nutil::widthfolding::getfullKana2halfKanaTable();
  69     transliterationName = "fullwidthKatakanaToHalfwidthKatakana";
  70     implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTHKATAKANA_HALFWIDTHKATAKANA";
  71 }
  72
  73 /**
  74  * Transliterate fullwidth katakana to halfwidth katakana.
  75  */
  76 OUString
  77 fullwidthKatakanaToHalfwidthKatakana::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset, bool useOffset )
  78 {
  79     // Decomposition: GA --> KA + voice-mark
  80     const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, offset, useOffset);
  81
  82     // One to One mapping
  83     return transliteration_OneToOne::transliterateImpl( newStr, 0, newStr.getLength(), offset, false);
  84 }
  85
  86 sal_Unicode SAL_CALL
  87 fullwidthKatakanaToHalfwidthKatakana::transliterateChar2Char( sal_Unicode inChar )
  88 {
  89     sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
  90     if (newChar == 0xFFFF)
  91         throw MultipleCharsOutputException();
  92     return transliteration_OneToOne::transliterateChar2Char(inChar);
  93 }
  94
  95 fullwidthToHalfwidthLikeASC::fullwidthToHalfwidthLikeASC()
  96 {
  97     func = nullptr;
  98     table = &i18nutil::widthfolding::getfull2halfTableForASC();
  99     transliterationName = "fullwidthToHalfwidthLikeASC";
 100     implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTH_HALFWIDTH_LIKE_ASC";
 101 }
 102
 103 /**
 104  * Transliterate fullwidth to halfwidth like Excel's ASC function.
 105  */
 106 OUString
 107 fullwidthToHalfwidthLikeASC::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset, bool useOffset )
 108 {
 109     // Decomposition: GA --> KA + voice-mark
 110     const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, offset, useOffset);
 111
 112     // One to One mapping
 113     return transliteration_OneToOne::transliterateImpl( newStr, 0, newStr.getLength(), offset, false);
 114 }
 115
 116 sal_Unicode SAL_CALL
 117 fullwidthToHalfwidthLikeASC::transliterateChar2Char( sal_Unicode inChar )
 118 {
 119     sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
 120     if (newChar == 0xFFFF)
 121         throw MultipleCharsOutputException();
 122     return transliteration_OneToOne::transliterateChar2Char(inChar);
 123 }
 124
 125 }
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */