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.
   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 #include <utility>
  22 #include <comphelper/string.hxx>
  23 #include <i18nutil/oneToOneMapping.hxx>
  24 #define TRANSLITERATION_IandEfollowedByYa_ja_JP
  25 #include <transliteration_Ignore.hxx>
  26
  27 using namespace com::sun::star::uno;
  28 using namespace com::sun::star::lang;
  29
  30
  31 namespace com { namespace sun { namespace star { namespace i18n {
  32
  33 OneToOneMappingTable_t IandE[] = {
  34     { 0x30A3, 0x0000 },  // KATAKANA LETTER SMALL I
  35     { 0x30A4, 0x0000 },  // KATAKANA LETTER I
  36     { 0x30A7, 0x0000 },  // KATAKANA LETTER SMALL E
  37     { 0x30A8, 0x0000 },  // KATAKANA LETTER E
  38     { 0x30AD, 0x0000 },  // KATAKANA LETTER KI
  39     { 0x30AE, 0x0000 },  // KATAKANA LETTER GI
  40     { 0x30B1, 0x0000 },  // KATAKANA LETTER KE
  41     { 0x30B2, 0x0000 },  // KATAKANA LETTER GE
  42     { 0x30B7, 0x0000 },  // KATAKANA LETTER SI
  43     { 0x30B8, 0x0000 },  // KATAKANA LETTER ZI
  44     { 0x30BB, 0x0000 },  // KATAKANA LETTER SE
  45     { 0x30BC, 0x0000 },  // KATAKANA LETTER ZE
  46     { 0x30C1, 0x0000 },  // KATAKANA LETTER TI
  47     { 0x30C2, 0x0000 },  // KATAKANA LETTER DI
  48     { 0x30C6, 0x0000 },  // KATAKANA LETTER TE
  49     { 0x30C7, 0x0000 },  // KATAKANA LETTER DE
  50     { 0x30CB, 0x0000 },  // KATAKANA LETTER NI
  51     { 0x30CD, 0x0000 },  // KATAKANA LETTER NE
  52     { 0x30D2, 0x0000 },  // KATAKANA LETTER HI
  53     { 0x30D3, 0x0000 },  // KATAKANA LETTER BI
  54     { 0x30D4, 0x0000 },  // KATAKANA LETTER PI
  55     { 0x30D8, 0x0000 },  // KATAKANA LETTER HE
  56     { 0x30D9, 0x0000 },  // KATAKANA LETTER BE
  57     { 0x30DA, 0x0000 },  // KATAKANA LETTER PE
  58     { 0x30DF, 0x0000 },  // KATAKANA LETTER MI
  59     { 0x30E1, 0x0000 },  // KATAKANA LETTER ME
  60     { 0x30EA, 0x0000 },  // KATAKANA LETTER RI
  61     { 0x30EC, 0x0000 },  // KATAKANA LETTER RE
  62     { 0x30F0, 0x0000 },  // KATAKANA LETTER WI
  63     { 0x30F1, 0x0000 },  // KATAKANA LETTER WE
  64     { 0x30F6, 0x0000 },  // KATAKANA LETTER SMALL KE
  65     { 0x30F8, 0x0000 },  // KATAKANA LETTER VI
  66     { 0x30F9, 0x0000 }   // KATAKANA LETTER VE
  67 };
  68
  69
  70
  71
  72 OUString SAL_CALL
  73 ignoreIandEfollowedByYa_ja_JP::folding( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset )
  74   throw(RuntimeException)
  75 {
  76     // Create a string buffer which can hold nCount + 1 characters.
  77     // The reference count is 1 now.
  78     rtl_uString * newStr = rtl_uString_alloc(nCount);
  79     sal_Unicode * dst = newStr->buffer;
  80     const sal_Unicode * src = inStr.getStr() + startPos;
  81
  82     sal_Int32 *p = 0;
  83     sal_Int32 position = 0;
  84     if (useOffset) {
  85         // Allocate nCount length to offset argument.
  86         offset.realloc( nCount );
  87         p = offset.getArray();
  88         position = startPos;
  89     }
  90
  91     //
  92     sal_Unicode previousChar = *src ++;
  93     sal_Unicode currentChar;
  94
  95     // One to one mapping
  96     oneToOneMapping aTable(IandE, sizeof(IandE));
  97
  98     // Translation
  99     while (-- nCount > 0) {
 100         currentChar = *src ++;
 101
 102         // the character listed in above table + YA --> the character + A
 103         if (currentChar == 0x30E3 ||   // KATAKANA LETTER SMALL YA
 104                 currentChar == 0x30E4) {   // KATAKANA LETTER YA
 105             if (aTable[ previousChar ] != previousChar) {
 106                 if (useOffset) {
 107                     *p ++ = position++;
 108                     *p ++ = position++;
 109                 }
 110                 *dst ++ = previousChar;
 111                 *dst ++ = 0x30A2;          // KATAKANA LETTER A
 112                 previousChar = *src ++;
 113                 nCount --;
 114                 continue;
 115             }
 116         }
 117
 118         if (useOffset)
 119             *p ++ = position++;
 120         *dst ++ = previousChar;
 121         previousChar = currentChar;
 122     }
 123
 124     if (nCount == 0) {
 125         if (useOffset)
 126             *p = position;
 127         *dst ++ = previousChar;
 128     }
 129
 130     *dst = (sal_Unicode) 0;
 131
 132     newStr->length = sal_Int32(dst - newStr->buffer);
 133     if (useOffset)
 134         offset.realloc(newStr->length);
 135     return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
 136 }
 137
 138 } } } }
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */