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 SAL_CALL
  47 fullwidthToHalfwidth::transliterate( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset )
  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     useOffset = false;
  54     const OUString &tmp = transliteration_OneToOne::transliterate( newStr, 0, newStr.getLength(), offset);
  55     useOffset = true;
  56     return tmp;
  57 }
  58
  59 sal_Unicode SAL_CALL
  60 fullwidthToHalfwidth::transliterateChar2Char( sal_Unicode inChar)
  61 {
  62     sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
  63     if (newChar == 0xFFFF)
  64         throw MultipleCharsOutputException();
  65     return transliteration_OneToOne::transliterateChar2Char(inChar);
  66 }
  67
  68 fullwidthKatakanaToHalfwidthKatakana::fullwidthKatakanaToHalfwidthKatakana()
  69 {
  70     func = nullptr;
  71     table = &i18nutil::widthfolding::getfullKana2halfKanaTable();
  72     transliterationName = "fullwidthKatakanaToHalfwidthKatakana";
  73     implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTHKATAKANA_HALFWIDTHKATAKANA";
  74 }
  75
  76 /**
  77  * Transliterate fullwidth katakana to halfwidth katakana.
  78  */
  79 OUString SAL_CALL
  80 fullwidthKatakanaToHalfwidthKatakana::transliterate( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset )
  81 {
  82     // Decomposition: GA --> KA + voice-mark
  83     const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, offset, useOffset);
  84
  85     // One to One mapping
  86     useOffset = false;
  87     const OUString &tmp = transliteration_OneToOne::transliterate( newStr, 0, newStr.getLength(), offset);
  88     useOffset = true;
  89     return tmp;
  90 }
  91
  92 sal_Unicode SAL_CALL
  93 fullwidthKatakanaToHalfwidthKatakana::transliterateChar2Char( sal_Unicode inChar )
  94 {
  95     sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
  96     if (newChar == 0xFFFF)
  97         throw MultipleCharsOutputException();
  98     return transliteration_OneToOne::transliterateChar2Char(inChar);
  99 }
 100
 101 fullwidthToHalfwidthLikeASC::fullwidthToHalfwidthLikeASC()
 102 {
 103     func = nullptr;
 104     table = &i18nutil::widthfolding::getfull2halfTableForASC();
 105     transliterationName = "fullwidthToHalfwidthLikeASC";
 106     implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTH_HALFWIDTH_LIKE_ASC";
 107 }
 108
 109 /**
 110  * Transliterate fullwidth to halfwidth like Excel's ASC function.
 111  */
 112 OUString SAL_CALL
 113 fullwidthToHalfwidthLikeASC::transliterate( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset )
 114 {
 115     // Decomposition: GA --> KA + voice-mark
 116     const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, offset, useOffset);
 117
 118     // One to One mapping
 119     useOffset = false;
 120     const OUString &tmp = transliteration_OneToOne::transliterate( newStr, 0, newStr.getLength(), offset);
 121     useOffset = true;
 122
 123     return tmp;
 124 }
 125
 126 sal_Unicode SAL_CALL
 127 fullwidthToHalfwidthLikeASC::transliterateChar2Char( sal_Unicode inChar )
 128 {
 129     sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
 130     if (newChar == 0xFFFF)
 131         throw MultipleCharsOutputException();
 132     return transliteration_OneToOne::transliterateChar2Char(inChar);
 133 }
 134
 135 }
 136
 137 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */