xref: /trunk/main/cppu/inc/uno/mapping.hxx (revision 11774565)
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21 
22 
23 
24 #ifndef _UNO_MAPPING_HXX_
25 #define _UNO_MAPPING_HXX_
26 
27 #include <cppu/macros.hxx>
28 #include <rtl/alloc.h>
29 #include <rtl/ustring.hxx>
30 #include <uno/mapping.h>
31 #include <com/sun/star/uno/Type.hxx>
32 #include <com/sun/star/uno/Reference.hxx>
33 #include "cppu/unotype.hxx"
34 #include "uno/environment.hxx"
35 
36 typedef struct _typelib_TypeDescription typelib_TypeDescription;
37 typedef struct _typelib_InterfaceTypeDescription typelib_InterfaceTypeDescription;
38 typedef struct _uno_Interface uno_Interface;
39 
40 namespace com
41 {
42 namespace sun
43 {
44 namespace star
45 {
46 namespace uno
47 {
48 
49 /** C++ wrapper for C uno_Mapping.
50 
51     @see uno_Mapping
52 */
53 class Mapping
54 {
55 	uno_Mapping * _pMapping;
56 
57 public:
58 	// these are here to force memory de/allocation to sal lib.
59     /** @internal */
operator new(size_t nSize)60 	inline static void * SAL_CALL operator new ( size_t nSize ) SAL_THROW( () )
61 		{ return ::rtl_allocateMemory( nSize ); }
62     /** @internal */
operator delete(void * pMem)63 	inline static void SAL_CALL operator delete ( void * pMem ) SAL_THROW( () )
64 		{ ::rtl_freeMemory( pMem ); }
65     /** @internal */
operator new(size_t,void * pMem)66 	inline static void * SAL_CALL operator new ( size_t, void * pMem ) SAL_THROW( () )
67 		{ return pMem; }
68     /** @internal */
operator delete(void *,void *)69 	inline static void SAL_CALL operator delete ( void *, void * ) SAL_THROW( () )
70 		{}
71 
72 	/** Holds a mapping from the specified source to the specified destination by environment
73         type names.
74 
75 		@param rFrom		type name of source environment
76 		@param rTo			type name of destination environment
77 		@param rAddPurpose	additional purpose
78 	*/
79 	inline Mapping(
80         const ::rtl::OUString & rFrom, const ::rtl::OUString & rTo,
81         const ::rtl::OUString & rAddPurpose = ::rtl::OUString() )
82         SAL_THROW( () );
83 
84 	/** Holds a mapping from the specified source to the specified destination.
85 
86 		@param pFrom		source environment
87 		@param pTo			destination environment
88 		@param rAddPurpose	additional purpose
89 	*/
90 	inline Mapping(
91         uno_Environment * pFrom, uno_Environment * pTo,
92         const ::rtl::OUString & rAddPurpose = ::rtl::OUString() )
93         SAL_THROW( () );
94 
95 	/** Holds a mapping from the specified source to the specified destination
96 		environment.
97 
98 		@param from         source environment
99 		@param to           destination environment
100 		@param rAddPurpose  additional purpose
101 	*/
102 	inline Mapping(const Environment & rFrom, const Environment & rTo,
103 				   const ::rtl::OUString & rAddPurpose = ::rtl::OUString() )
104 		SAL_THROW( () );
105 
106 	/** Constructor.
107 
108 		@param pMapping another mapping
109 	*/
110 	inline Mapping( uno_Mapping * pMapping = 0 ) SAL_THROW( () );
111 
112 	/** Copy constructor.
113 
114 		@param rMapping another mapping
115 	*/
116 	inline Mapping( const Mapping & rMapping ) SAL_THROW( () );
117 
118 	/** Destructor.
119 	*/
120 	inline ~Mapping() SAL_THROW( () );
121 
122 	/** Sets a given mapping.
123 
124 		@param pMapping another mapping
125 		@return this mapping
126 	*/
127 	inline Mapping & SAL_CALL operator = ( uno_Mapping * pMapping ) SAL_THROW( () );
128 	/** Sets a given mapping.
129 
130 		@param rMapping another mapping
131 		@return this mapping
132 	*/
operator =(const Mapping & rMapping)133 	inline Mapping & SAL_CALL operator = ( const Mapping & rMapping ) SAL_THROW( () )
134 		{ return operator = ( rMapping._pMapping ); }
135 
136 	/** Provides a pointer to the C mapping. The returned mapping is NOT acquired!
137 
138 		@return UNacquired C mapping
139 	*/
get() const140 	inline uno_Mapping * SAL_CALL get() const SAL_THROW( () )
141 		{ return _pMapping; }
142 
143 	/** Tests if a mapping is set.
144 
145 		@return true if a mapping is set
146 	*/
is() const147 	inline sal_Bool SAL_CALL is() const SAL_THROW( () )
148 		{ return (_pMapping != 0); }
149 
150 	/** Releases a set mapping.
151 	*/
152 	inline void SAL_CALL clear() SAL_THROW( () );
153 
154 	/** Maps an interface from one environment to another.
155 
156 		@param pInterface		source interface
157 		@param pTypeDescr		type description of interface
158 		@return					mapped interface
159 	*/
160 	inline void * SAL_CALL mapInterface( void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const SAL_THROW( () );
161 	/** Maps an interface from one environment to another.
162 
163 		@param pInterface		source interface
164 		@param pTypeDescr		type description of interface
165 		@return					mapped interface
166 	*/
mapInterface(void * pInterface,typelib_TypeDescription * pTypeDescr) const167 	inline void * SAL_CALL mapInterface( void * pInterface, typelib_TypeDescription * pTypeDescr ) const SAL_THROW( () )
168 		{ return mapInterface( pInterface, (typelib_InterfaceTypeDescription *)pTypeDescr ); }
169 
170 	/** Maps an interface from one environment to another.
171 
172 		@param pInterface		source interface
173 		@param rType			type of interface
174 		@return					mapped interface
175 	*/
176 	inline void * SAL_CALL mapInterface(
177 		void * pInterface, const ::com::sun::star::uno::Type & rType ) const SAL_THROW( () );
178 
179 	/** Maps an interface from one environment to another.
180 
181 		@param ppOut			inout mapped interface
182 		@param pInterface		source interface
183 		@param pTypeDescr		type description of interface
184 	*/
mapInterface(void ** ppOut,void * pInterface,typelib_InterfaceTypeDescription * pTypeDescr) const185 	inline void SAL_CALL mapInterface( void ** ppOut, void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const SAL_THROW( () )
186 		{ (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, pTypeDescr ); }
187 	/** Maps an interface from one environment to another.
188 
189 		@param ppOut			inout mapped interface
190 		@param pInterface		source interface
191 		@param pTypeDescr		type description of interface
192 	*/
mapInterface(void ** ppOut,void * pInterface,typelib_TypeDescription * pTypeDescr) const193 	inline void SAL_CALL mapInterface( void ** ppOut, void * pInterface, typelib_TypeDescription * pTypeDescr ) const SAL_THROW( () )
194 		{ (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, (typelib_InterfaceTypeDescription *)pTypeDescr ); }
195 
196 	/** Maps an interface from one environment to another.
197 
198 		@param ppOut			inout mapped interface
199 		@param pInterface		source interface
200 		@param rType			type of interface to be mapped
201 	 */
202 	inline void SAL_CALL mapInterface( void ** ppOut, void * pInterface, const ::com::sun::star::uno::Type & rType ) const SAL_THROW( () );
203 };
204 //__________________________________________________________________________________________________
Mapping(const::rtl::OUString & rFrom,const::rtl::OUString & rTo,const::rtl::OUString & rAddPurpose)205 inline Mapping::Mapping(
206 	const ::rtl::OUString & rFrom, const ::rtl::OUString & rTo, const ::rtl::OUString & rAddPurpose )
207 	SAL_THROW( () )
208 	: _pMapping( 0 )
209 {
210 	uno_getMappingByName( &_pMapping, rFrom.pData, rTo.pData, rAddPurpose.pData );
211 }
212 //__________________________________________________________________________________________________
Mapping(uno_Environment * pFrom,uno_Environment * pTo,const::rtl::OUString & rAddPurpose)213 inline Mapping::Mapping(
214 	uno_Environment * pFrom, uno_Environment * pTo, const ::rtl::OUString & rAddPurpose )
215 	SAL_THROW( () )
216 	: _pMapping( 0 )
217 {
218 	uno_getMapping( &_pMapping, pFrom, pTo, rAddPurpose.pData );
219 }
220 //__________________________________________________________________________________________________
Mapping(const Environment & rFrom,const Environment & rTo,const::rtl::OUString & rAddPurpose)221 inline Mapping::Mapping(
222 	const Environment & rFrom, const Environment & rTo, const ::rtl::OUString & rAddPurpose )
223 	SAL_THROW( () )
224 		: _pMapping(0)
225 {
226 	uno_getMapping( &_pMapping, rFrom.get(), rTo.get(), rAddPurpose.pData );
227 }
228 //__________________________________________________________________________________________________
Mapping(uno_Mapping * pMapping)229 inline Mapping::Mapping( uno_Mapping * pMapping ) SAL_THROW( () )
230 	: _pMapping( pMapping )
231 {
232 	if (_pMapping)
233 		(*_pMapping->acquire)( _pMapping );
234 }
235 //__________________________________________________________________________________________________
Mapping(const Mapping & rMapping)236 inline Mapping::Mapping( const Mapping & rMapping ) SAL_THROW( () )
237 	: _pMapping( rMapping._pMapping )
238 {
239 	if (_pMapping)
240 		(*_pMapping->acquire)( _pMapping );
241 }
242 //__________________________________________________________________________________________________
~Mapping()243 inline Mapping::~Mapping() SAL_THROW( () )
244 {
245 	if (_pMapping)
246 		(*_pMapping->release)( _pMapping );
247 }
248 //__________________________________________________________________________________________________
clear()249 inline void Mapping::clear() SAL_THROW( () )
250 {
251 	if (_pMapping)
252 	{
253 		(*_pMapping->release)( _pMapping );
254 		_pMapping = 0;
255 	}
256 }
257 //__________________________________________________________________________________________________
operator =(uno_Mapping * pMapping)258 inline Mapping & Mapping::operator = ( uno_Mapping * pMapping ) SAL_THROW( () )
259 {
260 	if (pMapping)
261 		(*pMapping->acquire)( pMapping );
262 	if (_pMapping)
263 		(*_pMapping->release)( _pMapping );
264 	_pMapping = pMapping;
265 	return *this;
266 }
267 //__________________________________________________________________________________________________
mapInterface(void ** ppOut,void * pInterface,const::com::sun::star::uno::Type & rType) const268 inline void Mapping::mapInterface(
269 	void ** ppOut, void * pInterface, const ::com::sun::star::uno::Type & rType ) const
270 	SAL_THROW( () )
271 {
272 	typelib_TypeDescription * pTD = 0;
273 	TYPELIB_DANGER_GET( &pTD, rType.getTypeLibType() );
274 	if (pTD)
275 	{
276 		(*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, (typelib_InterfaceTypeDescription *)pTD );
277 		TYPELIB_DANGER_RELEASE( pTD );
278 	}
279 }
280 //__________________________________________________________________________________________________
mapInterface(void * pInterface,typelib_InterfaceTypeDescription * pTypeDescr) const281 inline void * Mapping::mapInterface(
282 	void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const
283 	SAL_THROW( () )
284 {
285 	void * pOut = 0;
286 	(*_pMapping->mapInterface)( _pMapping, &pOut, pInterface, pTypeDescr );
287 	return pOut;
288 }
289 //__________________________________________________________________________________________________
mapInterface(void * pInterface,const::com::sun::star::uno::Type & rType) const290 inline void * Mapping::mapInterface(
291 	void * pInterface, const ::com::sun::star::uno::Type & rType ) const
292 	SAL_THROW( () )
293 {
294 	void * pOut = 0;
295 	mapInterface( &pOut, pInterface, rType );
296 	return pOut;
297 }
298 
299 /** Deprecated. This function DOES NOT WORK with Purpose Environments
300     (https://wiki.openoffice.org/wiki/Uno/Binary/Spec/Purpose Environments)
301 
302     Maps a binary C UNO interface to be used in the currently used compiler environment.
303 
304     @tplparam C interface type
305     @param ppRet inout returned interface pointer
306     @param pUnoI binary C UNO interface
307     @return true if successful, false otherwise
308 
309     @deprecated
310 */
311 template< class C >
mapToCpp(Reference<C> * ppRet,uno_Interface * pUnoI)312 inline sal_Bool mapToCpp( Reference< C > * ppRet, uno_Interface * pUnoI ) SAL_THROW( () )
313 {
314 	Mapping aMapping(
315 		::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(UNO_LB_UNO) ),
316 		::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) ) );
317 	OSL_ASSERT( aMapping.is() );
318 	aMapping.mapInterface(
319             (void **)ppRet, pUnoI, ::cppu::getTypeFavourUnsigned( ppRet ) );
320 	return (0 != *ppRet);
321 }
322 /** Deprecated. This function DOES NOT WORK with Purpose Environments
323     (https://wiki.openoffice.org/wiki/Uno/Binary/Spec/Purpose Environments)
324 
325     Maps an UNO interface of the currently used compiler environment to binary C UNO.
326 
327     @tplparam C interface type
328     @param ppRet inout returned interface pointer
329     @param x interface reference
330     @return true if successful, false otherwise
331 
332     @deprecated
333 */
334 template< class C >
mapToUno(uno_Interface ** ppRet,const Reference<C> & x)335 inline sal_Bool mapToUno( uno_Interface ** ppRet, const Reference< C > & x ) SAL_THROW( () )
336 {
337 	Mapping aMapping(
338 		::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) ),
339 		::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(UNO_LB_UNO) ) );
340 	OSL_ASSERT( aMapping.is() );
341 	aMapping.mapInterface(
342             (void **)ppRet, x.get(), ::cppu::getTypeFavourUnsigned( &x ) );
343 	return (0 != *ppRet);
344 }
345 
346 }
347 }
348 }
349 }
350 
351 #endif
352 
353