summaryrefslogtreecommitdiffstats
path: root/i18npool/source/transliteration/textToPronounce_zh.cxx
blob: 8d6b3e3e81a321065641e05bb63f86e607e68400 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include <com/sun/star/i18n/MultipleCharsOutputException.hpp>
#include <com/sun/star/i18n/TransliterationType.hpp>
#include <o3tl/temporary.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>

#include <textToPronounce_zh.hxx>

using namespace com::sun::star::i18n;
using namespace com::sun::star::uno;

namespace i18npool {

sal_Int16 SAL_CALL TextToPronounce_zh::getType()
{
    return TransliterationType::ONE_TO_ONE| TransliterationType::IGNORE;
}

const sal_Unicode*
TextToPronounce_zh::getPronounce(const sal_Unicode ch)
{
    static const sal_Unicode emptyString[]={0};
    if (idx) {
        sal_uInt16 address = idx[0][ch>>8];
        if (address != 0xFFFF)
            return reinterpret_cast<sal_Unicode const *>(
                &idx[2][idx[1][address + (ch & 0xFF)]]);
    }
    return emptyString;
}

OUString
TextToPronounce_zh::foldingImpl(const OUString & inStr, sal_Int32 startPos,
        sal_Int32 nCount, Sequence< sal_Int32 >* pOffset)
{
    OUStringBuffer sb;
    const sal_Unicode * chArr = inStr.getStr() + startPos;

    if (startPos < 0)
        throw RuntimeException();

    if (startPos + nCount > inStr.getLength())
        nCount = inStr.getLength() - startPos;

    auto ppOffset = pOffset ? pOffset->getArray() : nullptr;
    if (ppOffset)
        ppOffset[0] = 0;
    for (sal_Int32 i = 0; i < nCount; i++) {
        OUString pron(getPronounce(chArr[i]));
        sb.append(pron);

        if (ppOffset)
            ppOffset[i + 1] = (*pOffset)[i] + pron.getLength();
    }
    return sb.makeStringAndClear();
}

OUString SAL_CALL
TextToPronounce_zh::transliterateChar2String( sal_Unicode inChar)
{
    return OUString(getPronounce(inChar));
}

sal_Unicode SAL_CALL
TextToPronounce_zh::transliterateChar2Char( sal_Unicode inChar)
{
    const sal_Unicode* pron=getPronounce(inChar);
    if (!pron || !pron[0])
        return 0;
    if (pron[1])
        throw MultipleCharsOutputException();
    return *pron;
}

sal_Bool SAL_CALL
TextToPronounce_zh::equals( const OUString & str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32 & nMatch1,
        const OUString & str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32 & nMatch2)
{
    sal_Int32 realCount;
    int i;  // loop variable
    const sal_Unicode * s1, * s2;

    if (nCount1 + pos1 > str1.getLength())
        nCount1 = str1.getLength() - pos1;

    if (nCount2 + pos2 > str2.getLength())
        nCount2 = str2.getLength() - pos2;

    realCount = std::min(nCount1, nCount2);

    s1 = str1.getStr() + pos1;
    s2 = str2.getStr() + pos2;
    for (i = 0; i < realCount; i++) {
        const sal_Unicode *pron1 = getPronounce(*s1++);
        const sal_Unicode *pron2 = getPronounce(*s2++);
        if (pron1 != pron2) {
            nMatch1 = nMatch2 = i;
            return false;
        }
    }
    nMatch1 = nMatch2 = realCount;
    return (nCount1 == nCount2);
}

#ifdef DISABLE_DYNLOADING

extern "C" {

sal_uInt16 const ** get_zh_zhuyin(sal_Int16 & max_index);
sal_uInt16 const ** get_zh_pinyin(sal_Int16 & max_index);

}

#endif

TextToPinyin_zh_CN::TextToPinyin_zh_CN() :
#ifndef DISABLE_DYNLOADING
    TextToPronounce_zh("get_zh_pinyin")
#else
    TextToPronounce_zh(get_zh_pinyin)
#endif
{
        transliterationName = "ChineseCharacterToPinyin";
        implementationName = "com.sun.star.i18n.Transliteration.TextToPinyin_zh_CN";
}

TextToChuyin_zh_TW::TextToChuyin_zh_TW() :
#ifndef DISABLE_DYNLOADING
    TextToPronounce_zh("get_zh_zhuyin")
#else
    TextToPronounce_zh(get_zh_zhuyin)
#endif
{
        transliterationName = "ChineseCharacterToChuyin";
        implementationName = "com.sun.star.i18n.Transliteration.TextToChuyin_zh_TW";
}

#ifndef DISABLE_DYNLOADING

extern "C" { static void thisModule() {} }

TextToPronounce_zh::TextToPronounce_zh(const char* func_name)
{
#ifdef SAL_DLLPREFIX
    OUString lib(SAL_DLLPREFIX"index_data" SAL_DLLEXTENSION);
#else
    OUString lib("index_data" SAL_DLLEXTENSION);
#endif
    hModule = osl_loadModuleRelative(
        &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
    idx=nullptr;
    if (hModule) {
        sal_uInt16 const ** (*function)(sal_Int16 &) = reinterpret_cast<sal_uInt16 const ** (*)(sal_Int16 &)>(osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData));
        if (function)
            idx=function(o3tl::temporary(sal_Int16()));
    }
}

#else

TextToPronounce_zh::TextToPronounce_zh(sal_uInt16 const ** (*function)(sal_Int16 &))
{
    idx = function(o3tl::temporary(sal_Int16()));
}

#endif

TextToPronounce_zh::~TextToPronounce_zh()
{
#ifndef DISABLE_DYNLOADING
    if (hModule) osl_unloadModule(hModule);
#endif
}
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */