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