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update emoji autocorrect entries from po-files
[LibreOffice.git] / include / svl / ondemand.hxx
blob2da0414aeb92ff45a67d462496a5b2369828370a
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 #ifndef INCLUDED_SVL_ONDEMAND_HXX
21 #define INCLUDED_SVL_ONDEMAND_HXX
22
23 #include <unotools/syslocale.hxx>
24 #include <i18nlangtag/lang.h>
25 #include <unotools/localedatawrapper.hxx>
26 #include <unotools/calendarwrapper.hxx>
27 #include <unotools/collatorwrapper.hxx>
28 #include <com/sun/star/i18n/CollatorOptions.hpp>
29 #include <unotools/transliterationwrapper.hxx>
30 #include <com/sun/star/i18n/TransliterationModules.hpp>
31 #include <unotools/nativenumberwrapper.hxx>
32 #include <com/sun/star/uno/Reference.hxx>
33 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
34 #include <comphelper/processfactory.hxx>
35
36 /*
37 On demand instantiation and initialization of several i18n wrappers,
38 helping the number formatter to not perform worse than it already does.
39 */
40
41 /** @short
42 Switch between LANGUAGE_SYSTEM and LANGUAGE_ENGLISH_US and any other
43 LocaleDataWrapper.
44 SvNumberformatter uses it upon switching locales.
45
46 @descr
47 Avoids reloading and analysing of locale data again and again.
48
49 @ATTENTION
50 If the default ctor is used the init() method MUST be called before
51 accessing any locale data. The passed parameters Locale and LanguageType
52 must match each other.
53 */
54
55 class OnDemandLocaleDataWrapper
56 {
57 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
58 SvtSysLocale aSysLocale;
59 LanguageType eCurrentLanguage;
60 LanguageType eLastAnyLanguage;
61 const LocaleDataWrapper* pSystem;
62 const LocaleDataWrapper* pEnglish;
63 LocaleDataWrapper* pAny;
64 const LocaleDataWrapper* pCurrent;
65 bool bInitialized;
66
67 public:
68 OnDemandLocaleDataWrapper()
69 : eLastAnyLanguage( LANGUAGE_DONTKNOW )
70 , pEnglish(0)
71 , pAny(0)
72 , bInitialized(false)
73 {
74 pCurrent = pSystem = aSysLocale.GetLocaleDataPtr();
75 eCurrentLanguage = LANGUAGE_SYSTEM;
76 }
77 OnDemandLocaleDataWrapper(
78 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
79 const LanguageTag& rLanguageTag
80 )
81 : pEnglish(0)
82 , pAny(0)
83 , pCurrent(0)
84 , bInitialized(false)
85 {
86 pSystem = aSysLocale.GetLocaleDataPtr();
87 init( rxContext, rLanguageTag );
88 }
89 ~OnDemandLocaleDataWrapper()
90 {
91 delete pEnglish;
92 delete pAny;
93 }
94
95 bool isInitialized() const { return bInitialized; }
96
97 bool is() const { return pCurrent != NULL; }
98
99 void init(
100 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
101 const LanguageTag& rLanguageTag
102 )
103 {
104 m_xContext = rxContext;
105 changeLocale( rLanguageTag );
106 bInitialized = true;
107 }
108
109 void changeLocale( const LanguageTag& rLanguageTag )
110 {
111 LanguageType eLang = rLanguageTag.getLanguageType( false);
112 switch ( eLang )
113 {
114 case LANGUAGE_SYSTEM :
115 pCurrent = pSystem;
116 break;
117 case LANGUAGE_ENGLISH_US :
118 if ( !pEnglish )
119 pEnglish = new LocaleDataWrapper( m_xContext, rLanguageTag );
120 pCurrent = pEnglish;
121 break;
122 default:
123 if ( !pAny )
124 {
125 pAny = new LocaleDataWrapper( m_xContext, rLanguageTag );
126 eLastAnyLanguage = eLang;
127 }
128 else if ( eLastAnyLanguage != eLang )
129 {
130 pAny->setLanguageTag( rLanguageTag );
131 eLastAnyLanguage = eLang;
132 }
133 pCurrent = pAny;
134 }
135 eCurrentLanguage = eLang;
136 }
137
138 LanguageType getCurrentLanguage() const
139 { return eCurrentLanguage; }
140
141 LocaleDataWrapper* getAnyLocale()
142 {
143 if ( !pAny )
144 {
145 pAny = new LocaleDataWrapper( m_xContext, pCurrent->getLanguageTag() );
146 eLastAnyLanguage = eCurrentLanguage;
147 }
148 else if ( pCurrent != pAny )
149 {
150 pAny->setLanguageTag( pCurrent->getLanguageTag() );
151 eLastAnyLanguage = eCurrentLanguage;
152 }
153 return pAny;
154 }
155
156 const LocaleDataWrapper* get() const { return pCurrent; }
157 const LocaleDataWrapper* operator->() const { return get(); }
158 const LocaleDataWrapper& operator*() const { return *get(); }
159 };
160
161 /** Load a calendar only if it's needed.
162 SvNumberformatter uses it upon switching locales.
163 @ATTENTION If the default ctor is used the init() method MUST be called
164 before accessing the calendar.
165 */
166 class OnDemandCalendarWrapper
167 {
168 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
169 ::com::sun::star::lang::Locale aLocale;
170 mutable CalendarWrapper* pPtr;
171 mutable bool bValid;
172 bool bInitialized;
173
174 public:
175 OnDemandCalendarWrapper()
176 : pPtr(0)
177 , bValid(false)
178 , bInitialized(false)
179 {}
180 OnDemandCalendarWrapper(
181 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
182 ::com::sun::star::lang::Locale& rLocale
183 )
184 : bValid(false)
185 , bInitialized(false)
186 {
187 init( rxContext, rLocale );
188 }
189 ~OnDemandCalendarWrapper()
190 {
191 delete pPtr;
192 }
193
194 bool isInitialized() const { return bInitialized; }
195
196 bool is() const { return pPtr != NULL; }
197
198 void init(
199 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
200 const ::com::sun::star::lang::Locale& rLocale
201 )
202 {
203 m_xContext = rxContext;
204 changeLocale( rLocale );
205 if ( pPtr )
206 {
207 delete pPtr;
208 pPtr = NULL;
209 }
210 bInitialized = true;
211 }
212
213 void changeLocale( const ::com::sun::star::lang::Locale& rLocale )
214 {
215 bValid = false;
216 aLocale = rLocale;
217 }
218
219 CalendarWrapper* get() const
220 {
221 if ( !bValid )
222 {
223 if ( !pPtr )
224 pPtr = new CalendarWrapper( m_xContext );
225 pPtr->loadDefaultCalendar( aLocale );
226 bValid = true;
227 }
228 return pPtr;
229 }
230
231 CalendarWrapper* operator->() { return get(); }
232 CalendarWrapper& operator*() { return *get(); }
233 };
234
235 /** Load a transliteration only if it's needed.
236 SvNumberformatter uses it upon switching locales.
237 @ATTENTION If the default ctor is used the init() method MUST be called
238 before accessing the transliteration.
239 */
240 class OnDemandTransliterationWrapper
241 {
242 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
243 LanguageType eLanguage;
244 ::com::sun::star::i18n::TransliterationModules nType;
245 mutable ::utl::TransliterationWrapper* pPtr;
246 mutable bool bValid;
247 bool bInitialized;
248
249 public:
250 OnDemandTransliterationWrapper()
251 : eLanguage( LANGUAGE_SYSTEM )
252 , nType(::com::sun::star::i18n::TransliterationModules_END_OF_MODULE)
253 , pPtr(0)
254 , bValid(false)
255 , bInitialized(false)
256 {}
257 OnDemandTransliterationWrapper(
258 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
259 LanguageType eLang,
260 ::com::sun::star::i18n::TransliterationModules nTypeP
261 )
262 : bValid(false)
263 , bInitialized(false)
264 {
265 init( rxContext, eLang, nTypeP );
266 }
267 ~OnDemandTransliterationWrapper()
268 {
269 delete pPtr;
270 }
271
272 bool isInitialized() const { return bInitialized; }
273
274 bool is() const { return pPtr != NULL; }
275
276 void init(
277 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
278 LanguageType eLang,
279 ::com::sun::star::i18n::TransliterationModules nTypeP
280 )
281 {
282 m_xContext = rxContext;
283 nType = nTypeP;
284 changeLocale( eLang );
285 if ( pPtr )
286 {
287 delete pPtr;
288 pPtr = NULL;
289 }
290 bInitialized = true;
291 }
292
293 void changeLocale( LanguageType eLang )
294 {
295 bValid = false;
296 eLanguage = eLang;
297 }
298
299 const ::utl::TransliterationWrapper* get() const
300 {
301 if ( !bValid )
302 {
303 if ( !pPtr )
304 pPtr = new ::utl::TransliterationWrapper( m_xContext, nType );
305 pPtr->loadModuleIfNeeded( eLanguage );
306 bValid = true;
307 }
308 return pPtr;
309 }
310
311 const ::utl::TransliterationWrapper* getForModule( const OUString& rModule, LanguageType eLang ) const
312 {
313 if ( !pPtr )
314 pPtr = new ::utl::TransliterationWrapper( m_xContext, nType );
315 pPtr->loadModuleByImplName( rModule, eLang );
316 bValid = false; // reforce settings change in get()
317 return pPtr;
318 }
319
320 const ::utl::TransliterationWrapper* operator->() const { return get(); }
321 const ::utl::TransliterationWrapper& operator*() const { return *get(); }
322 };
323
324 /** Load a native number service wrapper only if it's needed.
325 SvNumberformatter uses it.
326
327 @ATTENTION
328 If the default ctor is used the init() method MUST be called
329 before accessing the native number supplier.
330 */
331 class OnDemandNativeNumberWrapper
332 {
333 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
334 mutable NativeNumberWrapper* pPtr;
335 bool bInitialized;
336
337 public:
338 OnDemandNativeNumberWrapper()
339 : pPtr(0)
340 , bInitialized(false)
341 {}
342 OnDemandNativeNumberWrapper(
343 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext
344 )
345 : pPtr(0)
346 , bInitialized(false)
347 {
348 init( rxContext );
349 }
350 ~OnDemandNativeNumberWrapper()
351 {
352 delete pPtr;
353 }
354
355 bool isInitialized() const { return bInitialized; }
356
357 void init(
358 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext
359 )
360 {
361 m_xContext = rxContext;
362 if ( pPtr )
363 {
364 delete pPtr;
365 pPtr = NULL;
366 }
367 bInitialized = true;
368 }
369
370 bool is() const { return pPtr != NULL; }
371
372 NativeNumberWrapper* get() const
373 {
374 if ( !pPtr )
375 pPtr = new NativeNumberWrapper( m_xContext );
376 return pPtr;
377 }
378
379 NativeNumberWrapper* operator->() { return get(); }
380 NativeNumberWrapper& operator*() { return *get(); }
381 };
382
383 #endif // INCLUDED_SVL_ONDEMAND_HXX
384
385 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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