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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
|
/* -*- 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 <iostream>
#include <osl/file.hxx>
#include <tools/debug.hxx>
#include <sal/config.h>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implementationentry.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include "simpleguesser.hxx"
#include "guess.hxx"
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/linguistic2/XLanguageGuessing.hpp>
#include <unotools/pathoptions.hxx>
#include <osl/thread.h>
#include <sal/macros.h>
#ifdef SYSTEM_LIBEXTTEXTCAT
#include <libexttextcat/textcat.h>
#else
#include <textcat.h>
#endif
using namespace ::osl;
using namespace ::cppu;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::linguistic2;
static osl::Mutex & GetLangGuessMutex()
{
static osl::Mutex aMutex;
return aMutex;
}
namespace {
class LangGuess_Impl :
public ::cppu::WeakImplHelper<
XLanguageGuessing,
XServiceInfo >
{
SimpleGuesser m_aGuesser;
bool m_bInitialized;
virtual ~LangGuess_Impl() override {}
void EnsureInitialized();
public:
LangGuess_Impl();
LangGuess_Impl(const LangGuess_Impl&) = delete;
LangGuess_Impl& operator=(const LangGuess_Impl&) = delete;
// XServiceInfo implementation
virtual OUString SAL_CALL getImplementationName( ) override;
virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
// XLanguageGuessing implementation
virtual css::lang::Locale SAL_CALL guessPrimaryLanguage( const OUString& aText, ::sal_Int32 nStartPos, ::sal_Int32 nLen ) override;
virtual void SAL_CALL disableLanguages( const css::uno::Sequence< css::lang::Locale >& aLanguages ) override;
virtual void SAL_CALL enableLanguages( const css::uno::Sequence< css::lang::Locale >& aLanguages ) override;
virtual css::uno::Sequence< css::lang::Locale > SAL_CALL getAvailableLanguages( ) override;
virtual css::uno::Sequence< css::lang::Locale > SAL_CALL getEnabledLanguages( ) override;
virtual css::uno::Sequence< css::lang::Locale > SAL_CALL getDisabledLanguages( ) override;
// implementation specific
/// @throws RuntimeException
void SetFingerPrintsDB( const OUString &fileName );
};
}
LangGuess_Impl::LangGuess_Impl() :
m_bInitialized( false )
{
}
void LangGuess_Impl::EnsureInitialized()
{
if (m_bInitialized)
return;
// set this to true at the very start to prevent loops because of
// implicitly called functions below
m_bInitialized = true;
// set default fingerprint path to where those get installed
OUString aPhysPath;
OUString aURL( SvtPathOptions().GetFingerprintPath() );
osl::FileBase::getSystemPathFromFileURL( aURL, aPhysPath );
#ifdef _WIN32
aPhysPath += "\\";
#else
aPhysPath += "/";
#endif
SetFingerPrintsDB( aPhysPath );
#if !defined(EXTTEXTCAT_VERSION_MAJOR)
// disable currently not functional languages...
struct LangCountry
{
const char *pLang;
const char *pCountry;
};
LangCountry aDisable[] =
{
// not functional in modified libtextcat, but fixed in >= libexttextcat 3.1.0
// which is the first with EXTTEXTCAT_VERSION_MAJOR defined
{"sco", ""}, {"zh", "CN"}, {"zh", "TW"}, {"ja", ""}, {"ko", ""},
{"ka", ""}, {"hi", ""}, {"mr", ""}, {"ne", ""}, {"sa", ""},
{"ta", ""}, {"th", ""}, {"qu", ""}, {"yi", ""}
};
sal_Int32 nNum = SAL_N_ELEMENTS(aDisable);
Sequence< Locale > aDisableSeq( nNum );
Locale *pDisableSeq = aDisableSeq.getArray();
for (sal_Int32 i = 0; i < nNum; ++i)
{
Locale aLocale;
aLocale.Language = OUString::createFromAscii( aDisable[i].pLang );
aLocale.Country = OUString::createFromAscii( aDisable[i].pCountry );
pDisableSeq[i] = aLocale;
}
disableLanguages( aDisableSeq );
DBG_ASSERT( nNum == getDisabledLanguages().getLength(), "size mismatch" );
#endif
}
Locale SAL_CALL LangGuess_Impl::guessPrimaryLanguage(
const OUString& rText,
::sal_Int32 nStartPos,
::sal_Int32 nLen )
{
osl::MutexGuard aGuard( GetLangGuessMutex() );
EnsureInitialized();
if (nStartPos < 0 || nLen < 0 || nStartPos + nLen > rText.getLength())
throw lang::IllegalArgumentException();
OString o( OUStringToOString( rText.copy(nStartPos, nLen), RTL_TEXTENCODING_UTF8 ) );
Guess g = m_aGuesser.GuessPrimaryLanguage(o.getStr());
lang::Locale aRes;
aRes.Language = OUString::createFromAscii( g.GetLanguage().c_str() );
aRes.Country = OUString::createFromAscii( g.GetCountry().c_str() );
return aRes;
}
#define DEFAULT_CONF_FILE_NAME "fpdb.conf"
void LangGuess_Impl::SetFingerPrintsDB(
const OUString &filePath )
{
//! text encoding for file name / path needs to be in the same encoding the OS uses
OString path = OUStringToOString( filePath, osl_getThreadTextEncoding() );
OString conf_file_path = path + DEFAULT_CONF_FILE_NAME;
m_aGuesser.SetDBPath(conf_file_path.getStr(), path.getStr());
}
uno::Sequence< Locale > SAL_CALL LangGuess_Impl::getAvailableLanguages( )
{
osl::MutexGuard aGuard( GetLangGuessMutex() );
EnsureInitialized();
Sequence< css::lang::Locale > aRes;
vector<Guess> gs = m_aGuesser.GetAllManagedLanguages();
aRes.realloc(gs.size());
css::lang::Locale *pRes = aRes.getArray();
for(size_t i = 0; i < gs.size() ; i++ ){
css::lang::Locale current_aRes;
current_aRes.Language = OUString::createFromAscii( gs[i].GetLanguage().c_str() );
current_aRes.Country = OUString::createFromAscii( gs[i].GetCountry().c_str() );
pRes[i] = current_aRes;
}
return aRes;
}
uno::Sequence< Locale > SAL_CALL LangGuess_Impl::getEnabledLanguages( )
{
osl::MutexGuard aGuard( GetLangGuessMutex() );
EnsureInitialized();
Sequence< css::lang::Locale > aRes;
vector<Guess> gs = m_aGuesser.GetAvailableLanguages();
aRes.realloc(gs.size());
css::lang::Locale *pRes = aRes.getArray();
for(size_t i = 0; i < gs.size() ; i++ ){
css::lang::Locale current_aRes;
current_aRes.Language = OUString::createFromAscii( gs[i].GetLanguage().c_str() );
current_aRes.Country = OUString::createFromAscii( gs[i].GetCountry().c_str() );
pRes[i] = current_aRes;
}
return aRes;
}
uno::Sequence< Locale > SAL_CALL LangGuess_Impl::getDisabledLanguages( )
{
osl::MutexGuard aGuard( GetLangGuessMutex() );
EnsureInitialized();
Sequence< css::lang::Locale > aRes;
vector<Guess> gs = m_aGuesser.GetUnavailableLanguages();
aRes.realloc(gs.size());
css::lang::Locale *pRes = aRes.getArray();
for(size_t i = 0; i < gs.size() ; i++ ){
css::lang::Locale current_aRes;
current_aRes.Language = OUString::createFromAscii( gs[i].GetLanguage().c_str() );
current_aRes.Country = OUString::createFromAscii( gs[i].GetCountry().c_str() );
pRes[i] = current_aRes;
}
return aRes;
}
void SAL_CALL LangGuess_Impl::disableLanguages(
const uno::Sequence< Locale >& rLanguages )
{
osl::MutexGuard aGuard( GetLangGuessMutex() );
EnsureInitialized();
for (const Locale& rLanguage : rLanguages)
{
string language;
OString l = OUStringToOString( rLanguage.Language, RTL_TEXTENCODING_ASCII_US );
OString c = OUStringToOString( rLanguage.Country, RTL_TEXTENCODING_ASCII_US );
language += l.getStr();
language += "-";
language += c.getStr();
m_aGuesser.DisableLanguage(language);
}
}
void SAL_CALL LangGuess_Impl::enableLanguages(
const uno::Sequence< Locale >& rLanguages )
{
osl::MutexGuard aGuard( GetLangGuessMutex() );
EnsureInitialized();
for (const Locale& rLanguage : rLanguages)
{
string language;
OString l = OUStringToOString( rLanguage.Language, RTL_TEXTENCODING_ASCII_US );
OString c = OUStringToOString( rLanguage.Country, RTL_TEXTENCODING_ASCII_US );
language += l.getStr();
language += "-";
language += c.getStr();
m_aGuesser.EnableLanguage(language);
}
}
OUString SAL_CALL LangGuess_Impl::getImplementationName( )
{
return "com.sun.star.lingu2.LanguageGuessing";
}
sal_Bool SAL_CALL LangGuess_Impl::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
Sequence<OUString> SAL_CALL LangGuess_Impl::getSupportedServiceNames( )
{
return { "com.sun.star.linguistic2.LanguageGuessing" };
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
lingucomponent_LangGuess_get_implementation(
css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new LangGuess_Impl());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
