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Any.h
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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 #ifndef INCLUDED_COM_SUN_STAR_UNO_ANY_H
20 #define INCLUDED_COM_SUN_STAR_UNO_ANY_H
21
22 #include <sal/config.h>
23
24 #include <cstddef>
25
26 #include <rtl/ustring.hxx>
27 #include <uno/any2.h>
28 #include <typelib/typedescription.h>
29 #include <cppu/unotype.hxx>
30 #include <com/sun/star/uno/TypeClass.hdl>
31 #include <rtl/alloc.h>
32
33 namespace com
34 {
35 namespace sun
36 {
37 namespace star
38 {
39 namespace uno
40 {
41
42 class Type;
43
52 class SAL_WARN_UNUSED SAL_DLLPUBLIC_RTTI Any : public uno_Any
53 {
54 public:
56 // these are here to force memory de/allocation to sal lib.
57 inline static void * SAL_CALL operator new ( size_t nSize )
58 { return ::rtl_allocateMemory( nSize ); }
59 inline static void SAL_CALL operator delete ( void * pMem )
60 { ::rtl_freeMemory( pMem ); }
61 inline static void * SAL_CALL operator new ( size_t, void * pMem )
62 { return pMem; }
63 inline static void SAL_CALL operator delete ( void *, void * )
64 {}
66
69 inline Any();
70
75 template <typename T>
76 explicit inline Any( T const & value );
78 explicit inline Any( bool value );
79
80 #if defined LIBO_INTERNAL_ONLY
81 template<typename T1, typename T2>
82 explicit inline Any(rtl::OUStringConcat<T1, T2> const & value);
83 #endif
84
89 inline Any( const Any & rAny );
90
96 inline Any( const void * pData_, const Type & rType );
97
103 inline Any( const void * pData_, typelib_TypeDescription * pTypeDescr );
104
110 inline Any( const void * pData_, typelib_TypeDescriptionReference * pType_ );
111
112 #if defined LIBO_INTERNAL_ONLY
113 Any(bool const *, Type const &) = delete;
114 Any(bool const *, typelib_TypeDescription *) = delete;
115 Any(bool const *, typelib_TypeDescriptionReference *) = delete;
116 Any(sal_Bool const *, Type const &) = delete;
117 Any(sal_Bool const *, typelib_TypeDescription *) = delete;
118 Any(sal_Bool const *, typelib_TypeDescriptionReference *) = delete;
119 Any(std::nullptr_t, Type const & type):
120 Any(static_cast<void *>(nullptr), type) {}
121 Any(std::nullptr_t, typelib_TypeDescription * type):
122 Any(static_cast<void *>(nullptr), type) {}
123 Any(std::nullptr_t, typelib_TypeDescriptionReference * type):
124 Any(static_cast<void *>(nullptr), type) {}
125 #endif
126
129 inline ~Any();
130
136 inline Any & SAL_CALL operator = ( const Any & rAny );
137
138 #if defined LIBO_INTERNAL_ONLY
139 inline Any(Any && other);
140 inline Any & operator =(Any && other);
141 #endif
142
147 inline const Type & SAL_CALL getValueType() const
148 { return * reinterpret_cast< const Type * >( &pType ); }
153 inline typelib_TypeDescriptionReference * SAL_CALL getValueTypeRef() const
154 { return pType; }
155
161 inline void SAL_CALL getValueTypeDescription( typelib_TypeDescription ** ppTypeDescr ) const
162 { ::typelib_typedescriptionreference_getDescription( ppTypeDescr, pType ); }
163
168 inline TypeClass SAL_CALL getValueTypeClass() const
169 { return (TypeClass)pType->eTypeClass; }
170
175 inline ::rtl::OUString SAL_CALL getValueTypeName() const;
176
181 inline bool SAL_CALL hasValue() const
182 { return (typelib_TypeClass_VOID != pType->eTypeClass); }
183
188 inline const void * SAL_CALL getValue() const
189 { return pData; }
190
203 template <typename T>
204 inline T get() const;
205
212 inline void SAL_CALL setValue( const void * pData_, const Type & rType );
219 inline void SAL_CALL setValue( const void * pData_, typelib_TypeDescriptionReference * pType_ );
226 inline void SAL_CALL setValue( const void * pData_, typelib_TypeDescription * pTypeDescr );
227
228 #if defined LIBO_INTERNAL_ONLY
229 void setValue(bool const *, Type const &) = delete;
230 void setValue(bool const *, typelib_TypeDescriptionReference *) = delete;
231 void setValue(bool const *, typelib_TypeDescription *) = delete;
232 void setValue(sal_Bool const *, Type const &) = delete;
233 void setValue(sal_Bool const *, typelib_TypeDescriptionReference *)
234 = delete;
235 void setValue(sal_Bool const *, typelib_TypeDescription *) = delete;
236 void setValue(std::nullptr_t, Type const & type)
237 { setValue(static_cast<void *>(nullptr), type); }
238 void setValue(std::nullptr_t, typelib_TypeDescriptionReference * type)
239 { setValue(static_cast<void *>(nullptr), type); }
240 void setValue(std::nullptr_t, typelib_TypeDescription * type)
241 { setValue(static_cast<void *>(nullptr), type); }
242 #endif
243
247 inline void SAL_CALL clear();
248
255 inline bool SAL_CALL isExtractableTo( const Type & rType ) const;
256
263 template <typename T>
264 inline bool has() const;
265
272 inline bool SAL_CALL operator == ( const Any & rAny ) const;
279 inline bool SAL_CALL operator != ( const Any & rAny ) const;
280
281 private:
282 #if !defined LIBO_INTERNAL_ONLY
283 // Forbid use with ambiguous type (sal_Unicode, sal_uInt16):
285 explicit Any(sal_uInt16) SAL_DELETED_FUNCTION;
287 #endif
288 };
289
290 #if !defined LIBO_INTERNAL_ONLY
291 // Forbid use with ambiguous type (sal_Unicode, sal_uInt16):
293 template<> sal_uInt16 Any::get<sal_uInt16>() const SAL_DELETED_FUNCTION;
294 template<> bool Any::has<sal_uInt16>() const SAL_DELETED_FUNCTION;
296 #endif
297
309 template< class C >
310 inline Any SAL_CALL makeAny( const C & value );
311
312 #if !defined LIBO_INTERNAL_ONLY
313 template<> inline Any SAL_CALL makeAny(sal_uInt16 const & value);
314 #endif
315
316 template<> Any SAL_CALL makeAny(Any const &) SAL_DELETED_FUNCTION;
317
325 template<typename T> inline Any toAny(T const & value);
326
327 template<> inline Any toAny(Any const & value);
328
329 #if defined LIBO_INTERNAL_ONLY
330
348 template<typename T> inline bool fromAny(Any const & any, T * value);
349
350 template<> inline bool fromAny(Any const & any, Any * value);
351
352 #endif
353
354 class BaseReference;
355
362 template< class C >
363 inline void SAL_CALL operator <<= ( Any & rAny, const C & value );
364
365 // additionally for C++ bool:
366 template<>
367 inline void SAL_CALL operator <<= ( Any & rAny, bool const & value );
368
378 template< class C >
379 inline bool SAL_CALL operator >>= ( const Any & rAny, C & value );
380
391 template< class C >
392 inline bool SAL_CALL operator == ( const Any & rAny, const C & value );
403 template< class C >
404 inline bool SAL_CALL operator != ( const Any & rAny, const C & value );
405
406 // additional specialized >>= and == operators
407 // bool
408 template<>
409 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Bool & value );
410 template<>
411 inline bool SAL_CALL operator == ( const Any & rAny, const sal_Bool & value );
412 template<>
413 inline bool SAL_CALL operator >>= ( Any const & rAny, bool & value );
414 template<>
415 inline bool SAL_CALL operator == ( Any const & rAny, bool const & value );
416 // byte
417 template<>
418 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int8 & value );
419 // short
420 template<>
421 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int16 & value );
422 template<>
423 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_uInt16 & value );
424 // long
425 template<>
426 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int32 & value );
427 template<>
428 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_uInt32 & value );
429 // hyper
430 template<>
431 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int64 & value );
432 template<>
433 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_uInt64 & value );
434 // float
435 template<>
436 inline bool SAL_CALL operator >>= ( const Any & rAny, float & value );
437 // double
438 template<>
439 inline bool SAL_CALL operator >>= ( const Any & rAny, double & value );
440 // string
441 template<>
442 inline bool SAL_CALL operator >>= ( const Any & rAny, ::rtl::OUString & value );
443 template<>
444 inline bool SAL_CALL operator == ( const Any & rAny, const ::rtl::OUString & value );
445 // type
446 template<>
447 inline bool SAL_CALL operator >>= ( const Any & rAny, Type & value );
448 template<>
449 inline bool SAL_CALL operator == ( const Any & rAny, const Type & value );
450 // any
451 #if !defined LIBO_INTERNAL_ONLY
452 template<>
453 inline bool SAL_CALL operator >>= ( const Any & rAny, Any & value );
454 #endif
455 // interface
456 template<>
457 inline bool SAL_CALL operator == ( const Any & rAny, const BaseReference & value );
458
459 }
460 }
461 }
462 }
463
476 SAL_DEPRECATED("use cppu::UnoType")
477 inline const ::com::sun::star::uno::Type & SAL_CALL getCppuType( SAL_UNUSED_PARAMETER const ::com::sun::star::uno::Any * )
478 {
479 return ::cppu::UnoType< ::com::sun::star::uno::Any >::get();
480 }
481
482 #endif
483
484 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
com::sun::star::uno::Any::hasValue
bool hasValue() const
Tests if any contains a value.
Definition: Any.h:181
getCppuType
const ::com::sun::star::uno::Type & getCppuType(SAL_UNUSED_PARAMETER const ::com::sun::star::uno::Any *)
Gets the meta type of IDL type any.
Definition: Any.h:477
com::sun::star::uno::operator<<=
void operator<<=(Any &rAny, const C &value)
Template binary <<= operator to set the value of an any.
Definition: Any.hxx:256
sal_Int8
signed char sal_Int8
Definition: types.h:53
com
Definition: types.h:391
typelib_TypeDescriptionReference
struct SAL_DLLPUBLIC_RTTI _typelib_TypeDescriptionReference typelib_TypeDescriptionReference
Holds a weak reference to a type description.
SAL_DELETED_FUNCTION
#define SAL_DELETED_FUNCTION
short-circuit extra-verbose API namespaces
Definition: types.h:410
SAL_UNUSED_PARAMETER
#define SAL_UNUSED_PARAMETER
Annotate unused but required C++ function parameters.
Definition: types.h:603
SAL_DEPRECATED
#define SAL_DEPRECATED(message)
Use as follows: SAL_DEPRECATED("Don&#39;t use, it&#39;s evil.") void doit(int nPara);.
Definition: types.h:509
SAL_WARN_UNUSED
#define SAL_WARN_UNUSED
Annotate classes where a compiler should warn if an instance is unused.
Definition: types.h:624
com::sun::star::uno::makeAny
Any makeAny(const C &value)
Template function to generically construct an any from a C++ value.
Definition: Any.hxx:226
rtl_allocateMemory
SAL_DLLPUBLIC void * rtl_allocateMemory(sal_Size Bytes) SAL_THROW_EXTERN_C()
Allocate memory.
any2.h
ustring.hxx
typelib_TypeDescription
struct SAL_DLLPUBLIC_RTTI _typelib_TypeDescription typelib_TypeDescription
Full type description of a type.
sal_Bool
unsigned char sal_Bool
Definition: types.h:48
uno_Any
struct SAL_DLLPUBLIC_RTTI _uno_Any uno_Any
This is the binary specification of an UNO any.
typelib_TypeClass_VOID
type class of void
Definition: typeclass.h:29
typelib_typedescriptionreference_getDescription
CPPU_DLLPUBLIC void typelib_typedescriptionreference_getDescription(typelib_TypeDescription **ppRet, typelib_TypeDescriptionReference *pRef) SAL_THROW_EXTERN_C()
Retrieves the type description for a given reference.
unotype.hxx
com::sun::star::uno::toAny
Any toAny(T const &value)
Wrap a value in an Any, if necessary.
Definition: Any.hxx:236
typedescription.h
com::sun::star::uno::operator!=
bool operator!=(const Any &rAny, const C &value)
Template unequality operator: compares set value of left side any to right side value.
Definition: Any.hxx:633
com::sun::star::uno::operator==
bool operator==(const Any &rAny, const C &value)
Template equality operator: compares set value of left side any to right side value.
Definition: Any.hxx:622
com::sun::star::uno::BaseReference
This base class serves as a base class for all template reference classes and has been introduced due...
Definition: Reference.h:58
config.h
rtl::OUString
This String class provides base functionality for C++ like Unicode character array handling...
Definition: ustring.hxx:106
com::sun::star::uno::operator>>=
bool operator>>=(const Any &rAny, C &value)
Template binary >>= operator to assign a value from an any.
Definition: Any.hxx:293
com::sun::star::uno::Any::getValueTypeDescription
void getValueTypeDescription(typelib_TypeDescription **ppTypeDescr) const
Gets the type description of the set value.
Definition: Any.h:161
com::sun::star::uno::Any::getValueType
const Type & getValueType() const
Gets the type of the set value.
Definition: Any.h:147
rtl_freeMemory
SAL_DLLPUBLIC void rtl_freeMemory(void *Ptr) SAL_THROW_EXTERN_C()
Free memory.
alloc.h
com::sun::star::uno::Any::getValue
const void * getValue() const
Gets a pointer to the set value.
Definition: Any.h:188
com::sun::star::uno::Any::getValueTypeClass
TypeClass getValueTypeClass() const
Gets the type class of the set value.
Definition: Any.h:168
com::sun::star::uno::Type
C++ class representing an IDL meta type.
Definition: Type.h:54
com::sun::star::uno::Any::getValueTypeRef
typelib_TypeDescriptionReference * getValueTypeRef() const
Gets the type of the set value.
Definition: Any.h:153
com::sun::star::uno::Any
C++ class representing an IDL any.
Definition: Any.h:52