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