i18npool/source/transliteration/ignoreIandEfollowedByYa_ja_JP.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.
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   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 <i18nutil/oneToOneMapping.hxx>
  21
  22 #include <transliteration_Ignore.hxx>
  23
  24 using namespace com::sun::star::uno;
  25 using namespace com::sun::star::lang;
  26
  27 namespace com { namespace sun { namespace star { namespace i18n {
  28
  29 OneToOneMappingTable_t IandE[] = {
  30     { 0x30A3, 0x0000 },  // KATAKANA LETTER SMALL I
  31     { 0x30A4, 0x0000 },  // KATAKANA LETTER I
  32     { 0x30A7, 0x0000 },  // KATAKANA LETTER SMALL E
  33     { 0x30A8, 0x0000 },  // KATAKANA LETTER E
  34     { 0x30AD, 0x0000 },  // KATAKANA LETTER KI
  35     { 0x30AE, 0x0000 },  // KATAKANA LETTER GI
  36     { 0x30B1, 0x0000 },  // KATAKANA LETTER KE
  37     { 0x30B2, 0x0000 },  // KATAKANA LETTER GE
  38     { 0x30B7, 0x0000 },  // KATAKANA LETTER SI
  39     { 0x30B8, 0x0000 },  // KATAKANA LETTER ZI
  40     { 0x30BB, 0x0000 },  // KATAKANA LETTER SE
  41     { 0x30BC, 0x0000 },  // KATAKANA LETTER ZE
  42     { 0x30C1, 0x0000 },  // KATAKANA LETTER TI
  43     { 0x30C2, 0x0000 },  // KATAKANA LETTER DI
  44     { 0x30C6, 0x0000 },  // KATAKANA LETTER TE
  45     { 0x30C7, 0x0000 },  // KATAKANA LETTER DE
  46     { 0x30CB, 0x0000 },  // KATAKANA LETTER NI
  47     { 0x30CD, 0x0000 },  // KATAKANA LETTER NE
  48     { 0x30D2, 0x0000 },  // KATAKANA LETTER HI
  49     { 0x30D3, 0x0000 },  // KATAKANA LETTER BI
  50     { 0x30D4, 0x0000 },  // KATAKANA LETTER PI
  51     { 0x30D8, 0x0000 },  // KATAKANA LETTER HE
  52     { 0x30D9, 0x0000 },  // KATAKANA LETTER BE
  53     { 0x30DA, 0x0000 },  // KATAKANA LETTER PE
  54     { 0x30DF, 0x0000 },  // KATAKANA LETTER MI
  55     { 0x30E1, 0x0000 },  // KATAKANA LETTER ME
  56     { 0x30EA, 0x0000 },  // KATAKANA LETTER RI
  57     { 0x30EC, 0x0000 },  // KATAKANA LETTER RE
  58     { 0x30F0, 0x0000 },  // KATAKANA LETTER WI
  59     { 0x30F1, 0x0000 },  // KATAKANA LETTER WE
  60     { 0x30F6, 0x0000 },  // KATAKANA LETTER SMALL KE
  61     { 0x30F8, 0x0000 },  // KATAKANA LETTER VI
  62     { 0x30F9, 0x0000 }   // KATAKANA LETTER VE
  63 };
  64
  65
  66
  67
  68 OUString SAL_CALL
  69 ignoreIandEfollowedByYa_ja_JP::folding( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset )
  70   throw(RuntimeException, std::exception)
  71 {
  72     // Create a string buffer which can hold nCount + 1 characters.
  73     // The reference count is 1 now.
  74     rtl_uString * newStr = rtl_uString_alloc(nCount);
  75     sal_Unicode * dst = newStr->buffer;
  76     const sal_Unicode * src = inStr.getStr() + startPos;
  77
  78     sal_Int32 *p = 0;
  79     sal_Int32 position = 0;
  80     if (useOffset) {
  81         // Allocate nCount length to offset argument.
  82         offset.realloc( nCount );
  83         p = offset.getArray();
  84         position = startPos;
  85     }
  86
  87
  88     sal_Unicode previousChar = *src ++;
  89     sal_Unicode currentChar;
  90
  91     // One to one mapping
  92     oneToOneMapping aTable(IandE, sizeof(IandE));
  93
  94     // Translation
  95     while (-- nCount > 0) {
  96         currentChar = *src ++;
  97
  98         // the character listed in above table + YA --> the character + A
  99         if (currentChar == 0x30E3 ||   // KATAKANA LETTER SMALL YA
 100                 currentChar == 0x30E4) {   // KATAKANA LETTER YA
 101             if (aTable[ previousChar ] != previousChar) {
 102                 if (useOffset) {
 103                     *p ++ = position++;
 104                     *p ++ = position++;
 105                 }
 106                 *dst ++ = previousChar;
 107                 *dst ++ = 0x30A2;          // KATAKANA LETTER A
 108                 previousChar = *src ++;
 109                 nCount --;
 110                 continue;
 111             }
 112         }
 113
 114         if (useOffset)
 115             *p ++ = position++;
 116         *dst ++ = previousChar;
 117         previousChar = currentChar;
 118     }
 119
 120     if (nCount == 0) {
 121         if (useOffset)
 122             *p = position;
 123         *dst ++ = previousChar;
 124     }
 125
 126     *dst = (sal_Unicode) 0;
 127
 128     newStr->length = sal_Int32(dst - newStr->buffer);
 129     if (useOffset)
 130         offset.realloc(newStr->length);
 131     return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
 132 }
 133
 134 } } } }
 135
 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */