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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * Version: MPL 1.1 / GPLv3+ / LGPLv3+
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License or as specified alternatively below. You may obtain a copy of
8 : * the License at http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * Major Contributor(s):
16 : * Copyright (C) 2011 Red Hat, Inc., Stephan Bergmann <sbergman@redhat.com>
17 : * (initial developer)
18 : *
19 : * All Rights Reserved.
20 : *
21 : * For minor contributions see the git repository.
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
25 : * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
26 : * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
27 : * instead of those above.
28 : */
29 :
30 : #ifndef INCLUDED_COMPHELPER_CONFIGURATION_HXX
31 : #define INCLUDED_COMPHELPER_CONFIGURATION_HXX
32 :
33 : #include "sal/config.h"
34 :
35 : #include "boost/noncopyable.hpp"
36 : #include "boost/optional.hpp"
37 : #include "boost/shared_ptr.hpp"
38 : #include "com/sun/star/uno/Any.hxx"
39 : #include "com/sun/star/uno/Reference.hxx"
40 : #include "comphelper/comphelperdllapi.h"
41 : #include "comphelper/processfactory.hxx"
42 : #include "sal/types.h"
43 :
44 : namespace com { namespace sun { namespace star {
45 : namespace configuration { class XReadWriteAccess; }
46 : namespace container {
47 : class XHierarchicalNameAccess;
48 : class XHierarchicalNameReplace;
49 : class XNameAccess;
50 : class XNameContainer;
51 : }
52 : namespace uno { class XComponentContext; }
53 : } } }
54 : namespace rtl { class OUString; }
55 :
56 : namespace comphelper {
57 :
58 : namespace detail { class ConfigurationWrapper; }
59 :
60 : /// A batch of configuration changes that is committed as a whole.
61 : ///
62 : /// Client code needs to call commit explicitly; otherwise the changes are lost
63 : /// when the instance is destroyed.
64 : ///
65 : /// This is the only class from this header file that client code should use
66 : /// directly.
67 : class COMPHELPER_DLLPUBLIC ConfigurationChanges: private boost::noncopyable {
68 : public:
69 : static boost::shared_ptr< ConfigurationChanges > create(
70 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
71 : const & context = comphelper::getProcessComponentContext());
72 :
73 : ~ConfigurationChanges();
74 :
75 : void commit() const;
76 :
77 : private:
78 : SAL_DLLPRIVATE ConfigurationChanges(
79 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
80 : const & context);
81 :
82 : SAL_DLLPRIVATE void setPropertyValue(
83 : rtl::OUString const & path, com::sun::star::uno::Any const & value)
84 : const;
85 :
86 : SAL_DLLPRIVATE com::sun::star::uno::Reference<
87 : com::sun::star::container::XHierarchicalNameReplace >
88 : getGroup(rtl::OUString const & path) const;
89 :
90 : SAL_DLLPRIVATE
91 : com::sun::star::uno::Reference< com::sun::star::container::XNameContainer >
92 : getSet(rtl::OUString const & path) const;
93 :
94 : com::sun::star::uno::Reference<
95 : com::sun::star::configuration::XReadWriteAccess > access_;
96 :
97 : friend class detail::ConfigurationWrapper;
98 : };
99 :
100 : namespace detail {
101 :
102 : /// @internal
103 : class COMPHELPER_DLLPUBLIC ConfigurationWrapper: private boost::noncopyable {
104 : public:
105 : static ConfigurationWrapper const & get(
106 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
107 : const & context);
108 :
109 : SAL_DLLPRIVATE explicit ConfigurationWrapper(
110 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
111 : const & context);
112 :
113 : SAL_DLLPRIVATE ~ConfigurationWrapper();
114 :
115 : com::sun::star::uno::Any getPropertyValue(rtl::OUString const & path) const;
116 :
117 : void setPropertyValue(
118 : boost::shared_ptr< ConfigurationChanges > const & batch,
119 : rtl::OUString const & path, com::sun::star::uno::Any const & value)
120 : const;
121 :
122 : com::sun::star::uno::Any getLocalizedPropertyValue(
123 : rtl::OUString const & path) const;
124 :
125 : void setLocalizedPropertyValue(
126 : boost::shared_ptr< ConfigurationChanges > const & batch,
127 : rtl::OUString const & path, com::sun::star::uno::Any const & value)
128 : const;
129 :
130 : com::sun::star::uno::Reference<
131 : com::sun::star::container::XHierarchicalNameAccess >
132 : getGroupReadOnly(rtl::OUString const & path) const;
133 :
134 : com::sun::star::uno::Reference<
135 : com::sun::star::container::XHierarchicalNameReplace >
136 : getGroupReadWrite(
137 : boost::shared_ptr< ConfigurationChanges > const & batch,
138 : rtl::OUString const & path) const;
139 :
140 : com::sun::star::uno::Reference< com::sun::star::container::XNameAccess >
141 : getSetReadOnly(rtl::OUString const & path) const;
142 :
143 : com::sun::star::uno::Reference< com::sun::star::container::XNameContainer >
144 : getSetReadWrite(
145 : boost::shared_ptr< ConfigurationChanges > const & batch,
146 : rtl::OUString const & path) const;
147 :
148 : boost::shared_ptr< ConfigurationChanges > createChanges() const;
149 :
150 : private:
151 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
152 : context_;
153 :
154 : com::sun::star::uno::Reference<
155 : com::sun::star::container::XHierarchicalNameAccess > access_;
156 : };
157 :
158 : /// @internal
159 : template< typename T > struct Convert: private boost::noncopyable {
160 0 : static com::sun::star::uno::Any toAny(T const & value)
161 0 : { return com::sun::star::uno::makeAny(value); }
162 :
163 4985 : static T fromAny(com::sun::star::uno::Any const & value)
164 4985 : { return value.get< T >(); }
165 :
166 : private:
167 : Convert(); // not defined
168 : ~Convert(); // not defined
169 : };
170 :
171 : /// @internal
172 : template< typename T > struct Convert< boost::optional< T > >:
173 : private boost::noncopyable
174 : {
175 0 : static com::sun::star::uno::Any toAny(boost::optional< T > const & value) {
176 : return value
177 : ? com::sun::star::uno::makeAny(value.get())
178 0 : : com::sun::star::uno::Any();
179 : }
180 :
181 2 : static boost::optional< T > fromAny(com::sun::star::uno::Any const & value)
182 : {
183 : return value.hasValue()
184 2 : ? boost::optional< T >(value.get< T >()) : boost::optional< T >();
185 : }
186 :
187 : private:
188 : Convert(); // not defined
189 : ~Convert(); // not defined
190 : };
191 :
192 : }
193 :
194 : /// A type-safe wrapper around a (non-localized) configuration property.
195 : ///
196 : /// Automatically generated headers for the various configuration properties
197 : /// derive from this template and make available its member functions to access
198 : /// each given configuration property.
199 : template< typename T, typename U > struct ConfigurationProperty:
200 : private boost::noncopyable
201 : {
202 : /// Get the value of the given (non-localized) configuration property.
203 : ///
204 : /// For nillable properties, U is of type boost::optional<U'>.
205 4987 : static U get(
206 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
207 5116 : const & context = comphelper::getProcessComponentContext())
208 : {
209 : // Folding this into one statement causes a bogus error at least with
210 : // Red Hat GCC 4.6.2-1:
211 : com::sun::star::uno::Any a(
212 : detail::ConfigurationWrapper::get(context).getPropertyValue(
213 4987 : T::path()));
214 4987 : return detail::Convert< U >::fromAny(a);
215 : }
216 :
217 : /// Set the value of the given (non-localized) configuration property, via a
218 : /// given changes batch.
219 : ///
220 : /// For nillable properties, U is of type boost::optional<U'>.
221 0 : static void set(
222 : U const & value,
223 : boost::shared_ptr< ConfigurationChanges > const & batch,
224 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
225 0 : const & context = comphelper::getProcessComponentContext())
226 : {
227 0 : detail::ConfigurationWrapper::get(context).setPropertyValue(
228 : batch, T::path(), detail::Convert< U >::toAny(value));
229 0 : }
230 :
231 : private:
232 : ConfigurationProperty(); // not defined
233 : ~ConfigurationProperty(); // not defined
234 : };
235 :
236 : /// A type-safe wrapper around a localized configuration property.
237 : ///
238 : /// Automatically generated headers for the various localized configuration
239 : /// properties derive from this template and make available its member functions
240 : /// to access each given localized configuration property.
241 : template< typename T, typename U > struct ConfigurationLocalizedProperty:
242 : private boost::noncopyable
243 : {
244 : /// Get the value of the given localized configuration property, for the
245 : /// locale currently set at the
246 : /// com.sun.star.configuration.theDefaultProvider.
247 : ///
248 : /// For nillable properties, U is of type boost::optional<U'>.
249 : static U get(
250 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
251 : const & context = comphelper::getProcessComponentContext())
252 : {
253 : // Folding this into one statement causes a bogus error at least with
254 : // Red Hat GCC 4.6.2-1:
255 : com::sun::star::uno::Any a(
256 : detail::ConfigurationWrapper::get(context).
257 : getLocalizedPropertyValue(T::path()));
258 : return detail::Convert< U >::fromAny(a);
259 : }
260 :
261 : /// Set the value of the given localized configuration property, for the
262 : /// locale currently set at the
263 : /// com.sun.star.configuration.theDefaultProvider, via a given changes
264 : /// batch.
265 : ///
266 : /// For nillable properties, U is of type boost::optional<U'>.
267 : static void set(
268 : U const & value,
269 : boost::shared_ptr< ConfigurationChanges > const & batch,
270 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
271 : const & context = comphelper::getProcessComponentContext())
272 : {
273 : detail::ConfigurationWrapper::get(context).setLocalizedPropertyValue(
274 : batch, T::path(), detail::Convert< U >::toAny(value));
275 : }
276 :
277 : private:
278 : ConfigurationLocalizedProperty(); // not defined
279 : ~ConfigurationLocalizedProperty(); // not defined
280 : };
281 :
282 : /// A type-safe wrapper around a configuration group.
283 : ///
284 : /// Automatically generated headers for the various configuration groups derive
285 : /// from this template and make available its member functions to access each
286 : /// given configuration group.
287 : template< typename T > struct ConfigurationGroup: private boost::noncopyable {
288 : /// Get read-only access to the given configuration group.
289 : static com::sun::star::uno::Reference<
290 : com::sun::star::container::XHierarchicalNameAccess >
291 3 : get(com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
292 : const & context = comphelper::getProcessComponentContext())
293 : {
294 : return detail::ConfigurationWrapper::get(context).getGroupReadOnly(
295 3 : T::path());
296 : }
297 :
298 : /// Get read/write access to the given configuration group, storing any
299 : /// modifications via the given changes batch.
300 : static com::sun::star::uno::Reference<
301 : com::sun::star::container::XHierarchicalNameReplace >
302 : get(boost::shared_ptr< ConfigurationChanges > const & batch,
303 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
304 : const & context = comphelper::getProcessComponentContext())
305 : {
306 : return detail::ConfigurationWrapper::get(context).getGroupReadWrite(
307 : batch, T::path());
308 : }
309 :
310 : private:
311 : ConfigurationGroup(); // not defined
312 : ~ConfigurationGroup(); // not defined
313 : };
314 :
315 : /// A type-safe wrapper around a configuration set.
316 : ///
317 : /// Automatically generated headers for the various configuration sets derive
318 : /// from this template and make available its member functions to access each
319 : /// given configuration set.
320 : template< typename T > struct ConfigurationSet: private boost::noncopyable {
321 : /// Get read-only access to the given configuration set.
322 : static
323 : com::sun::star::uno::Reference< com::sun::star::container::XNameAccess >
324 395 : get(com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
325 0 : const & context = comphelper::getProcessComponentContext())
326 : {
327 : return detail::ConfigurationWrapper::get(context).getSetReadOnly(
328 395 : T::path());
329 : }
330 :
331 : /// Get read/write access to the given configuration set, storing any
332 : /// modifications via the given changes batch.
333 : static
334 : com::sun::star::uno::Reference< com::sun::star::container::XNameContainer >
335 0 : get(boost::shared_ptr< ConfigurationChanges > const & batch,
336 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >
337 0 : const & context = comphelper::getProcessComponentContext())
338 : {
339 : return detail::ConfigurationWrapper::get(context).getSetReadWrite(
340 0 : batch, T::path());
341 : }
342 :
343 : private:
344 : ConfigurationSet(); // not defined
345 : ~ConfigurationSet(); // not defined
346 : };
347 :
348 : }
349 :
350 : #endif
351 :
352 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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