summaryrefslogtreecommitdiff
path: root/include/uno/mapping.hxx
blob: 5b8cf41bec12e645d754b9e806988c38df84c85c (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
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
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
/* -*- 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 .
 */

/*
 * This file is part of LibreOffice published API.
 */
#ifndef INCLUDED_UNO_MAPPING_HXX
#define INCLUDED_UNO_MAPPING_HXX

#include "sal/config.h"

#include <cstddef>

#include "uno/lbnames.h"
#include "rtl/alloc.h"
#include "rtl/ustring.hxx"
#include "osl/diagnose.h"
#include "uno/mapping.h"
#include "com/sun/star/uno/Type.hxx"
#include "com/sun/star/uno/Reference.hxx"
#include "cppu/unotype.hxx"
#include "uno/environment.hxx"

typedef struct _typelib_TypeDescription typelib_TypeDescription;
typedef struct _typelib_InterfaceTypeDescription typelib_InterfaceTypeDescription;
typedef struct _uno_Interface uno_Interface;

namespace com
{
namespace sun
{
namespace star
{
namespace uno
{

/** C++ wrapper for C uno_Mapping.

    @see uno_Mapping
*/
class Mapping
{
    uno_Mapping * _pMapping;

public:
    // these are here to force memory de/allocation to sal lib.
    /// @cond INTERNAL
    static void * SAL_CALL operator new ( size_t nSize )
        { return ::rtl_allocateMemory( nSize ); }
    static void SAL_CALL operator delete ( void * pMem )
        { ::rtl_freeMemory( pMem ); }
    static void * SAL_CALL operator new ( size_t, void * pMem )
        { return pMem; }
    static void SAL_CALL operator delete ( void *, void * )
        {}
    /// @endcond

    /** Holds a mapping from the specified source to the specified destination by environment
        type names.

        @param rFrom        type name of source environment
        @param rTo          type name of destination environment
        @param rAddPurpose  additional purpose
    */
    inline Mapping(
        const ::rtl::OUString & rFrom, const ::rtl::OUString & rTo,
        const ::rtl::OUString & rAddPurpose = ::rtl::OUString() );

    /** Holds a mapping from the specified source to the specified destination.

        @param pFrom        source environment
        @param pTo          destination environment
        @param rAddPurpose  additional purpose
    */
    inline Mapping(
        uno_Environment * pFrom, uno_Environment * pTo,
        const ::rtl::OUString & rAddPurpose = ::rtl::OUString() );

    /** Holds a mapping from the specified source to the specified destination
        environment.

        @param rFrom         source environment
        @param rTo           destination environment
        @param rAddPurpose  additional purpose
    */
    inline Mapping(const Environment & rFrom, const Environment & rTo,
                   const ::rtl::OUString & rAddPurpose = ::rtl::OUString() );

    /** Constructor.

        @param pMapping another mapping
    */
    inline Mapping( uno_Mapping * pMapping = NULL );

    /** Copy constructor.

        @param rMapping another mapping
    */
    inline Mapping( const Mapping & rMapping );

#if defined LIBO_INTERNAL_ONLY
    Mapping(Mapping && other) noexcept : _pMapping(other._pMapping)
    { other._pMapping = nullptr; }
#endif

    /** Destructor.
    */
    inline ~Mapping();

    /** Sets a given mapping.

        @param pMapping another mapping
        @return this mapping
    */
    inline Mapping & SAL_CALL operator = ( uno_Mapping * pMapping );
    /** Sets a given mapping.

        @param rMapping another mapping
        @return this mapping
    */
    Mapping & SAL_CALL operator = ( const Mapping & rMapping )
        { return operator = ( rMapping._pMapping ); }

#if defined LIBO_INTERNAL_ONLY
    Mapping & operator =(Mapping && other) noexcept {
        if (_pMapping != nullptr) {
            (*_pMapping->release)(_pMapping);
        }
        _pMapping = other._pMapping;
        other._pMapping = nullptr;
        return *this;
    }
#endif

    /** Provides a pointer to the C mapping. The returned mapping is NOT acquired!

        @return UNacquired C mapping
    */
    uno_Mapping * SAL_CALL get() const
        { return _pMapping; }

    /** Tests if a mapping is set.

        @return true if a mapping is set
    */
    bool SAL_CALL is() const
        { return (_pMapping != NULL); }

    /** Releases a set mapping.
    */
    inline void SAL_CALL clear();

    /** Maps an interface from one environment to another.

        @param pInterface       source interface
        @param pTypeDescr       type description of interface
        @return                 mapped interface
    */
    inline void * SAL_CALL mapInterface( void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const;
    /** Maps an interface from one environment to another.

        @param pInterface       source interface
        @param pTypeDescr       type description of interface
        @return                 mapped interface
    */
    void * SAL_CALL mapInterface( void * pInterface, typelib_TypeDescription * pTypeDescr ) const
        { return mapInterface( pInterface, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) ); }

    /** Maps an interface from one environment to another.

        @param pInterface       source interface
        @param rType            type of interface
        @return                 mapped interface
    */
    inline void * SAL_CALL mapInterface(
        void * pInterface, const css::uno::Type & rType ) const;

    /** Maps an interface from one environment to another.

        @param ppOut            inout mapped interface
        @param pInterface       source interface
        @param pTypeDescr       type description of interface
    */
    void SAL_CALL mapInterface( void ** ppOut, void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const
        { (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, pTypeDescr ); }
    /** Maps an interface from one environment to another.

        @param ppOut            inout mapped interface
        @param pInterface       source interface
        @param pTypeDescr       type description of interface
    */
    void SAL_CALL mapInterface( void ** ppOut, void * pInterface, typelib_TypeDescription * pTypeDescr ) const
        { (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) ); }

    /** Maps an interface from one environment to another.

        @param ppOut            inout mapped interface
        @param pInterface       source interface
        @param rType            type of interface to be mapped
     */
    inline void SAL_CALL mapInterface( void ** ppOut, void * pInterface, const css::uno::Type & rType ) const;
};

inline Mapping::Mapping(
    const ::rtl::OUString & rFrom, const ::rtl::OUString & rTo, const ::rtl::OUString & rAddPurpose )
    : _pMapping( NULL )
{
    uno_getMappingByName( &_pMapping, rFrom.pData, rTo.pData, rAddPurpose.pData );
}

inline Mapping::Mapping(
    uno_Environment * pFrom, uno_Environment * pTo, const ::rtl::OUString & rAddPurpose )
    : _pMapping( NULL )
{
    uno_getMapping( &_pMapping, pFrom, pTo, rAddPurpose.pData );
}

inline Mapping::Mapping(
    const Environment & rFrom, const Environment & rTo, const ::rtl::OUString & rAddPurpose )
        : _pMapping(NULL)
{
    uno_getMapping( &_pMapping, rFrom.get(), rTo.get(), rAddPurpose.pData );
}

inline Mapping::Mapping( uno_Mapping * pMapping )
    : _pMapping( pMapping )
{
    if (_pMapping)
        (*_pMapping->acquire)( _pMapping );
}

inline Mapping::Mapping( const Mapping & rMapping )
    : _pMapping( rMapping._pMapping )
{
    if (_pMapping)
        (*_pMapping->acquire)( _pMapping );
}

inline Mapping::~Mapping()
{
    if (_pMapping)
        (*_pMapping->release)( _pMapping );
}

inline void Mapping::clear()
{
    if (_pMapping)
    {
        (*_pMapping->release)( _pMapping );
        _pMapping = NULL;
    }
}

inline Mapping & Mapping::operator = ( uno_Mapping * pMapping )
{
    if (pMapping)
        (*pMapping->acquire)( pMapping );
    if (_pMapping)
        (*_pMapping->release)( _pMapping );
    _pMapping = pMapping;
    return *this;
}

inline void Mapping::mapInterface(
    void ** ppOut, void * pInterface, const css::uno::Type & rType ) const
{
    typelib_TypeDescription * pTD = NULL;
    TYPELIB_DANGER_GET( &pTD, rType.getTypeLibType() );
    if (pTD)
    {
        (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) );
        TYPELIB_DANGER_RELEASE( pTD );
    }
}

inline void * Mapping::mapInterface(
    void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const
{
    void * pOut = NULL;
    (*_pMapping->mapInterface)( _pMapping, &pOut, pInterface, pTypeDescr );
    return pOut;
}

inline void * Mapping::mapInterface(
    void * pInterface, const css::uno::Type & rType ) const
{
    void * pOut = NULL;
    mapInterface( &pOut, pInterface, rType );
    return pOut;
}

/** Deprecated. This function DOES NOT WORK with Purpose Environments
    (http://wiki.openoffice.org/wiki/Uno/Binary/Spec/Purpose Environments)

    Maps a binary C UNO interface to be used in the currently used compiler environment.

    @tparam C interface type
    @param ppRet inout returned interface pointer
    @param pUnoI binary C UNO interface
    @return true if successful, false otherwise

    @deprecated
*/
template< class C >
SAL_DEPRECATED("use uno_Mapping")
inline bool mapToCpp( Reference< C > * ppRet, uno_Interface * pUnoI )
{
    Mapping aMapping( UNO_LB_UNO, CPPU_CURRENT_LANGUAGE_BINDING_NAME );
    OSL_ASSERT( aMapping.is() );
    aMapping.mapInterface(
            reinterpret_cast<void **>(ppRet), pUnoI, ::cppu::getTypeFavourUnsigned( ppRet ) );
    return (0 != *ppRet);
}
/** Deprecated. This function DOES NOT WORK with Purpose Environments
    (http://wiki.openoffice.org/wiki/Uno/Binary/Spec/Purpose Environments)

    Maps a UNO interface of the currently used compiler environment to binary C UNO.

    @tparam C interface type
    @param ppRet inout returned interface pointer
    @param x interface reference
    @return true if successful, false otherwise

    @deprecated
*/
template< class C >
SAL_DEPRECATED("use uno_Mapping")
inline bool mapToUno( uno_Interface ** ppRet, const Reference< C > & x )
{
    Mapping aMapping( CPPU_CURRENT_LANGUAGE_BINDING_NAME, UNO_LB_UNO );
    OSL_ASSERT( aMapping.is() );
    aMapping.mapInterface(
            reinterpret_cast<void **>(ppRet), x.get(), ::cppu::getTypeFavourUnsigned( &x ) );
    return (NULL != *ppRet);
}

}
}
}
}

#endif

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