LibreOffice Module i18npool (master)  1
indexentrysupplier_asian.cxx
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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 <sal/config.h>
21 
22 #include <o3tl/temporary.hxx>
23 #include <rtl/ustrbuf.hxx>
24 #include <collatorImpl.hxx>
27 
28 using namespace ::com::sun::star::uno;
29 using namespace ::com::sun::star::lang;
30 
31 namespace i18npool {
32 
33 #ifndef DISABLE_DYNLOADING
34 
35 extern "C" { static void thisModule() {} }
36 
37 #endif
38 
40  const Reference < XComponentContext >& rxContext ) : IndexEntrySupplier_Common(rxContext)
41 {
42  implementationName = "com.sun.star.i18n.IndexEntrySupplier_asian";
43 #ifndef DISABLE_DYNLOADING
44 #ifdef SAL_DLLPREFIX
45  OUString lib(SAL_DLLPREFIX"index_data" SAL_DLLEXTENSION);
46 #else
47  OUString lib("index_data" SAL_DLLEXTENSION);
48 #endif
49  hModule = osl_loadModuleRelative(
50  &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
51 #endif
52 }
53 
55 {
56 #ifndef DISABLE_DYNLOADING
57  if (hModule) osl_unloadModule(hModule);
58 #endif
59 }
60 
61 #ifdef DISABLE_DYNLOADING
62 
63 extern "C" {
64 
65 sal_uInt16** get_indexdata_ko_dict(sal_Int16*);
66 sal_uInt16** get_indexdata_zh_TW_radical(sal_Int16*);
67 sal_uInt16** get_indexdata_zh_TW_stroke(sal_Int16*);
68 sal_uInt16** get_indexdata_zh_pinyin(sal_Int16*);
69 sal_uInt16** get_indexdata_zh_radical(sal_Int16*);
70 sal_uInt16** get_indexdata_zh_stroke(sal_Int16*);
71 sal_uInt16** get_indexdata_zh_zhuyin(sal_Int16*);
72 
73 sal_uInt16** get_ko_phonetic(sal_Int16*);
74 sal_uInt16** get_zh_pinyin(sal_Int16*);
75 sal_uInt16** get_zh_zhuyin(sal_Int16*);
76 
77 }
78 
79 #endif
80 
81 OUString SAL_CALL
82 IndexEntrySupplier_asian::getIndexCharacter( const OUString& rIndexEntry,
83  const Locale& rLocale, const OUString& rAlgorithm )
84 {
85  sal_uInt32 ch = rIndexEntry.iterateCodePoints(&o3tl::temporary(sal_Int32(0)), 0);
86 
87  sal_uInt16** (*func)(sal_Int16*)=nullptr;
88 #ifndef DISABLE_DYNLOADING
89  if (hModule) {
90  OUString get("get_indexdata_");
91  if ( rLocale.Language == "zh" && OUString( "TW HK MO" ).indexOf(rLocale.Country) >= 0 )
92  func=reinterpret_cast<sal_uInt16** (*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString(get+rLocale.Language+"_TW_"+rAlgorithm).pData));
93  if (!func)
94  func=reinterpret_cast<sal_uInt16** (*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString(get+rLocale.Language+"_"+rAlgorithm).pData));
95  }
96 #else
97  if ( rLocale.Language == "zh" && OUString( "TW HK MO" ).indexOf(rLocale.Country) >= 0 ) {
98  if ( rAlgorithm == "radical" )
99  func = get_indexdata_zh_TW_radical;
100  else if ( rAlgorithm == "stroke" )
101  func = get_indexdata_zh_TW_stroke;
102  }
103  if (!func) {
104  if ( rLocale.Language == "ko" ) {
105  if ( rAlgorithm == "dict" )
106  func = get_indexdata_ko_dict;
107  } else if ( rLocale.Language == "zh" ) {
108  if ( rAlgorithm == "pinyin" )
109  func = get_indexdata_zh_pinyin;
110  else if ( rAlgorithm == "radical" )
111  func = get_indexdata_zh_radical;
112  else if ( rAlgorithm == "stroke" )
113  func = get_indexdata_zh_stroke;
114  else if ( rAlgorithm == "zhuyin" )
115  func = get_indexdata_zh_zhuyin;
116  }
117  }
118 #endif
119  if (func) {
120  sal_Int16 max_index;
121  sal_uInt16** idx=func(&max_index);
122  if (static_cast<sal_Int16>(ch >> 8) <= max_index) {
123  sal_uInt16 address=idx[0][ch >> 8];
124  if (address != 0xFFFF) {
125  address=idx[1][address+(ch & 0xFF)];
126  return idx[2]
127  ? OUString(
128  reinterpret_cast<sal_Unicode *>(&idx[2][address]))
129  : OUString(sal_Unicode(address));
130  }
131  }
132  }
133 
134  // using alphanumeric index for non-define string
135  return OUString(&idxStr[(ch & 0xFFFFFF00) ? 0 : ch], 1);
136 }
137 
138 OUString SAL_CALL
139 IndexEntrySupplier_asian::getIndexKey( const OUString& rIndexEntry,
140  const OUString& rPhoneticEntry, const Locale& rLocale)
141 {
142  return getIndexCharacter(getEntry(rIndexEntry, rPhoneticEntry, rLocale), rLocale, aAlgorithm);
143 }
144 
145 sal_Int16 SAL_CALL
147  const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
148  const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
149 {
150  sal_Int32 result = collator->compareString(getEntry(rIndexEntry1, rPhoneticEntry1, rLocale1),
151  getEntry(rIndexEntry2, rPhoneticEntry2, rLocale2));
152 
153  // equivalent of phonetic entries does not mean equivalent of index entries.
154  // we have to continue comparing index entry here.
155  if (result == 0 && usePhonetic && !rPhoneticEntry1.isEmpty() &&
156  rLocale1.Language == rLocale2.Language && rLocale1.Country == rLocale2.Country &&
157  rLocale1.Variant == rLocale2.Variant)
158  result = collator->compareString(rIndexEntry1, rIndexEntry2);
159  return sal::static_int_cast< sal_Int16 >(result); // result in { -1, 0, 1 }
160 }
161 
162 OUString SAL_CALL
164  const Locale& rLocale )
165 {
166  sal_uInt16 **(*func)(sal_Int16*)=nullptr;
167 #ifndef DISABLE_DYNLOADING
168  if (hModule) {
169  const char *func_name=nullptr;
170  if ( rLocale.Language == "zh" )
171  func_name=(OUString("TW HK MO").indexOf(rLocale.Country) >= 0) ? "get_zh_zhuyin" : "get_zh_pinyin";
172  else if ( rLocale.Language == "ko" )
173  func_name="get_ko_phonetic";
174  if (func_name)
175  func=reinterpret_cast<sal_uInt16 **(*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData));
176  }
177 #else
178  if ( rLocale.Language == "zh" )
179  func = (OUString("TW HK MO").indexOf(rLocale.Country) >= 0) ? get_zh_zhuyin : get_zh_pinyin;
180  else if ( rLocale.Language == "ko" )
181  func = get_ko_phonetic;
182 
183 #endif
184  if (func) {
185  OUStringBuffer candidate;
186  sal_Int16 max_index;
187  sal_uInt16** idx=func(&max_index);
188  for (sal_Int32 i=0,j=0; i < rIndexEntry.getLength(); i=j) {
189  sal_uInt32 ch = rIndexEntry.iterateCodePoints(&j);
190  if (static_cast<sal_Int16>(ch>>8) <= max_index) {
191  sal_uInt16 address = idx[0][ch>>8];
192  if (address != 0xFFFF) {
193  address = idx[1][address + (ch & 0xFF)];
194  if ( i > 0 && rLocale.Language == "zh" )
195  candidate.append(" ");
196  if (idx[2])
197  candidate.append(
198  reinterpret_cast<sal_Unicode *>(&idx[2][address]));
199  else
200  candidate.append(sal_Unicode(address));
201  } else
202  candidate.append(" ");
203  }
204  }
205  return candidate.makeStringAndClear();
206  }
207  return OUString();
208 }
209 
210 }
211 
212 
213 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
OUString SAL_CALL getIndexCharacter(const OUString &rIndexEntry, const css::lang::Locale &rLocale, const OUString &rAlgorithm) override
#define SAL_DLLEXTENSION
const OUString & getEntry(const OUString &IndexEntry, const OUString &PhoneticEntry, const css::lang::Locale &rLocale)
std::unique_ptr< ContentProperties > pData
OUString SAL_CALL getPhoneticCandidate(const OUString &rIndexEntry, const css::lang::Locale &rLocale) override
#define SAL_DLLPREFIX
sal_uInt16 sal_Unicode
IndexEntrySupplier_asian(const css::uno::Reference< css::uno::XComponentContext > &rxContext)
int i
sal_Int16 SAL_CALL compareIndexEntry(const OUString &rIndexEntry1, const OUString &rPhoneticEntry1, const css::lang::Locale &rLocale1, const OUString &rIndexEntry2, const OUString &rPhoneticEntry2, const css::lang::Locale &rLocale2) override
Constant values shared between i18npool and, for example, the number formatter.
OUString SAL_CALL getIndexKey(const OUString &rIndexEntry, const OUString &rPhoneticEntry, const css::lang::Locale &rLocale) override
const sal_Unicode idxStr[]
constexpr T & temporary(T &&x)
const sal_uInt16 idx[]
Any result
static void thisModule()
Definition: xdictionary.cxx:41