i18npool/source/transliteration/ignoreIterationMark_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 #include <i18nutil/oneToOneMapping.hxx>
  21
  22 #include <transliteration_Ignore.hxx>
  23
  24 #include <numeric>
  25
  26 using namespace com::sun::star::uno;
  27
  28
  29 namespace i18npool {
  30
  31 i18nutil::OneToOneMappingTable_t const ignoreIterationMark_ja_JP_mappingTable[] = {
  32     { 0x3046, 0x3094 },  // HIRAGANA LETTER U --> HIRAGANA LETTER VU
  33     { 0x304B, 0x304C },  // HIRAGANA LETTER KA --> HIRAGANA LETTER GA
  34     { 0x304D, 0x304E },  // HIRAGANA LETTER KI --> HIRAGANA LETTER GI
  35     { 0x304F, 0x3050 },  // HIRAGANA LETTER KU --> HIRAGANA LETTER GU
  36     { 0x3051, 0x3052 },  // HIRAGANA LETTER KE --> HIRAGANA LETTER GE
  37     { 0x3053, 0x3054 },  // HIRAGANA LETTER KO --> HIRAGANA LETTER GO
  38     { 0x3055, 0x3056 },  // HIRAGANA LETTER SA --> HIRAGANA LETTER ZA
  39     { 0x3057, 0x3058 },  // HIRAGANA LETTER SI --> HIRAGANA LETTER ZI
  40     { 0x3059, 0x305A },  // HIRAGANA LETTER SU --> HIRAGANA LETTER ZU
  41     { 0x305B, 0x305C },  // HIRAGANA LETTER SE --> HIRAGANA LETTER ZE
  42     { 0x305D, 0x305E },  // HIRAGANA LETTER SO --> HIRAGANA LETTER ZO
  43     { 0x305F, 0x3060 },  // HIRAGANA LETTER TA --> HIRAGANA LETTER DA
  44     { 0x3061, 0x3062 },  // HIRAGANA LETTER TI --> HIRAGANA LETTER DI
  45     { 0x3064, 0x3065 },  // HIRAGANA LETTER TU --> HIRAGANA LETTER DU
  46     { 0x3066, 0x3067 },  // HIRAGANA LETTER TE --> HIRAGANA LETTER DE
  47     { 0x3068, 0x3069 },  // HIRAGANA LETTER TO --> HIRAGANA LETTER DO
  48     { 0x306F, 0x3070 },  // HIRAGANA LETTER HA --> HIRAGANA LETTER BA
  49     { 0x3072, 0x3073 },  // HIRAGANA LETTER HI --> HIRAGANA LETTER BI
  50     { 0x3075, 0x3076 },  // HIRAGANA LETTER HU --> HIRAGANA LETTER BU
  51     { 0x3078, 0x3079 },  // HIRAGANA LETTER HE --> HIRAGANA LETTER BE
  52     { 0x307B, 0x307C },  // HIRAGANA LETTER HO --> HIRAGANA LETTER BO
  53     { 0x309D, 0x309E },  // HIRAGANA ITERATION MARK --> HIRAGANA VOICED ITERATION MARK
  54     { 0x30A6, 0x30F4 },  // KATAKANA LETTER U --> KATAKANA LETTER VU
  55     { 0x30AB, 0x30AC },  // KATAKANA LETTER KA --> KATAKANA LETTER GA
  56     { 0x30AD, 0x30AE },  // KATAKANA LETTER KI --> KATAKANA LETTER GI
  57     { 0x30AF, 0x30B0 },  // KATAKANA LETTER KU --> KATAKANA LETTER GU
  58     { 0x30B1, 0x30B2 },  // KATAKANA LETTER KE --> KATAKANA LETTER GE
  59     { 0x30B3, 0x30B4 },  // KATAKANA LETTER KO --> KATAKANA LETTER GO
  60     { 0x30B5, 0x30B6 },  // KATAKANA LETTER SA --> KATAKANA LETTER ZA
  61     { 0x30B7, 0x30B8 },  // KATAKANA LETTER SI --> KATAKANA LETTER ZI
  62     { 0x30B9, 0x30BA },  // KATAKANA LETTER SU --> KATAKANA LETTER ZU
  63     { 0x30BB, 0x30BC },  // KATAKANA LETTER SE --> KATAKANA LETTER ZE
  64     { 0x30BD, 0x30BE },  // KATAKANA LETTER SO --> KATAKANA LETTER ZO
  65     { 0x30BF, 0x30C0 },  // KATAKANA LETTER TA --> KATAKANA LETTER DA
  66     { 0x30C1, 0x30C2 },  // KATAKANA LETTER TI --> KATAKANA LETTER DI
  67     { 0x30C4, 0x30C5 },  // KATAKANA LETTER TU --> KATAKANA LETTER DU
  68     { 0x30C6, 0x30C7 },  // KATAKANA LETTER TE --> KATAKANA LETTER DE
  69     { 0x30C8, 0x30C9 },  // KATAKANA LETTER TO --> KATAKANA LETTER DO
  70     { 0x30CF, 0x30D0 },  // KATAKANA LETTER HA --> KATAKANA LETTER BA
  71     { 0x30D2, 0x30D3 },  // KATAKANA LETTER HI --> KATAKANA LETTER BI
  72     { 0x30D5, 0x30D6 },  // KATAKANA LETTER HU --> KATAKANA LETTER BU
  73     { 0x30D8, 0x30D9 },  // KATAKANA LETTER HE --> KATAKANA LETTER BE
  74     { 0x30DB, 0x30DC },  // KATAKANA LETTER HO --> KATAKANA LETTER BO
  75     { 0x30EF, 0x30F7 },  // KATAKANA LETTER WA --> KATAKANA LETTER VA
  76     { 0x30F0, 0x30F8 },  // KATAKANA LETTER WI --> KATAKANA LETTER VI
  77     { 0x30F1, 0x30F9 },  // KATAKANA LETTER WE --> KATAKANA LETTER VE
  78     { 0x30F2, 0x30FA },  // KATAKANA LETTER WO --> KATAKANA LETTER VO
  79     { 0x30FD, 0x30FE }   // KATAKANA ITERATION MARK --> KATAKANA VOICED ITERATION MARK
  80 };
  81
  82
  83 OUString
  84 ignoreIterationMark_ja_JP::foldingImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
  85 {
  86     i18nutil::oneToOneMapping aTable(ignoreIterationMark_ja_JP_mappingTable, sizeof(ignoreIterationMark_ja_JP_mappingTable));
  87
  88     // Create a string buffer which can hold nCount + 1 characters.
  89     // The reference count is 1 now.
  90     rtl_uString * newStr = rtl_uString_alloc(nCount);
  91     sal_Unicode * dst = newStr->buffer;
  92     const sal_Unicode * src = inStr.getStr() + startPos;
  93
  94     if (pOffset) {
  95         // Allocate nCount length to offset argument.
  96         pOffset->realloc( nCount );
  97         auto [begin, end] = asNonConstRange(*pOffset);
  98         std::iota(begin, end, startPos);
  99     }
 100
 101
 102     sal_Unicode previousChar = *src ++;
 103     sal_Unicode currentChar;
 104
 105     // Conversion
 106     while (-- nCount > 0) {
 107         currentChar = *src ++;
 108
 109         switch ( currentChar ) {
 110             case 0x30fd: // KATAKANA ITERATION MARK
 111             case 0x309d: // HIRAGANA ITERATION MARK
 112             case 0x3005: // IDEOGRAPHIC ITERATION MARK
 113                 currentChar = previousChar;
 114                 break;
 115             case 0x30fe: // KATAKANA VOICED ITERATION MARK
 116             case 0x309e: // HIRAGANA VOICED ITERATION MARK
 117                 currentChar = aTable[ previousChar ];
 118                 break;
 119         }
 120         *dst ++ = previousChar;
 121         previousChar = currentChar;
 122     }
 123
 124     if (nCount == 0) {
 125         *dst ++ = previousChar;
 126     }
 127
 128     *dst = u'\0';
 129
 130     newStr->length = sal_Int32(dst - newStr->buffer);
 131     if (pOffset)
 132         pOffset->realloc(newStr->length);
 133     return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
 134 }
 135
 136 }
 137
 138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */