LibreOffice: com/sun/star/uno/Any.h Source File

LibreOffice LibreOffice 7.3 SDK C/C++ API Reference

Any.h
Go to the documentation of this file.
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/*
21 * This file is part of LibreOffice published API.
22 */
23#ifndef INCLUDED_COM_SUN_STAR_UNO_ANY_H
24#define INCLUDED_COM_SUN_STAR_UNO_ANY_H
25
26#include "sal/config.h"
27
28#include <cstddef>
29
30#include "rtl/ustring.hxx"
31#include "uno/any2.h"
32#include "typelib/typedescription.h"
33#include "cppu/unotype.hxx"
34#include "com/sun/star/uno/TypeClass.hdl"
35#include "rtl/alloc.h"
36
37namespace com
38{
39namespace sun
40{
41namespace star
42{
43namespace uno
44{
45
46class Type;
47
56 class SAL_WARN_UNUSED SAL_DLLPUBLIC_RTTI Any : public uno_Any
57{
58public:
60 // these are here to force memory de/allocation to sal lib.
61 static void * SAL_CALL operator new ( size_t nSize )
62 { return ::rtl_allocateMemory( nSize ); }
63 static void SAL_CALL operator delete ( void * pMem )
64 { ::rtl_freeMemory( pMem ); }
65 static void * SAL_CALL operator new ( size_t, void * pMem )
66 { return pMem; }
67 static void SAL_CALL operator delete ( void *, void * )
68 {}
70
73 inline Any();
74
79 template <typename T>
80 explicit inline Any( T const & value );
82 explicit inline Any( bool value );
83
84#if defined LIBO_INTERNAL_ONLY
85 template<typename T1, typename T2>
86 explicit inline Any(rtl::OUStringConcat<T1, T2> && value);
87 template<typename T1, typename T2>
88 explicit Any(rtl::OUStringConcat<T1, T2> const &) = delete;
89#endif
90
95 inline Any( const Any & rAny );
96
102 inline Any( const void * pData_, const Type & rType );
103
109 inline Any( const void * pData_, typelib_TypeDescription * pTypeDescr );
110
116 inline Any( const void * pData_, typelib_TypeDescriptionReference * pType_ );
117
118#if defined LIBO_INTERNAL_ONLY
119 Any(bool const *, Type const &) = delete;
120 Any(bool const *, typelib_TypeDescription *) = delete;
121 Any(bool const *, typelib_TypeDescriptionReference *) = delete;
122 Any(sal_Bool const *, Type const &) = delete;
123 Any(sal_Bool const *, typelib_TypeDescription *) = delete;
124 Any(sal_Bool const *, typelib_TypeDescriptionReference *) = delete;
125 Any(std::nullptr_t, Type const & type):
126 Any(static_cast<void *>(nullptr), type) {}
127 Any(std::nullptr_t, typelib_TypeDescription * type):
128 Any(static_cast<void *>(nullptr), type) {}
129 Any(std::nullptr_t, typelib_TypeDescriptionReference * type):
130 Any(static_cast<void *>(nullptr), type) {}
131#endif
132
135 inline ~Any();
136
142 inline Any & SAL_CALL operator = ( const Any & rAny );
143
144#if defined LIBO_INTERNAL_ONLY
145 inline Any(Any && other) noexcept;
146 inline Any & operator =(Any && other) noexcept;
147#endif
148
153 const Type & SAL_CALL getValueType() const
154 { return * reinterpret_cast< const Type * >( &pType ); }
159 typelib_TypeDescriptionReference * SAL_CALL getValueTypeRef() const
160 { return pType; }
161
167 void SAL_CALL getValueTypeDescription( typelib_TypeDescription ** ppTypeDescr ) const
168 { ::typelib_typedescriptionreference_getDescription( ppTypeDescr, pType ); }
169
174 TypeClass SAL_CALL getValueTypeClass() const
175 { return static_cast<TypeClass>(pType->eTypeClass); }
176
181 inline ::rtl::OUString SAL_CALL getValueTypeName() const;
182
187 bool SAL_CALL hasValue() const
188 { return (typelib_TypeClass_VOID != pType->eTypeClass); }
189
194 const void * SAL_CALL getValue() const
195 { return pData; }
196
209 template <typename T>
210 inline T get() const;
211
218 inline void SAL_CALL setValue( const void * pData_, const Type & rType );
225 inline void SAL_CALL setValue( const void * pData_, typelib_TypeDescriptionReference * pType_ );
232 inline void SAL_CALL setValue( const void * pData_, typelib_TypeDescription * pTypeDescr );
233
234#if defined LIBO_INTERNAL_ONLY
235 void setValue(bool const *, Type const &) = delete;
236 void setValue(bool const *, typelib_TypeDescriptionReference *) = delete;
237 void setValue(bool const *, typelib_TypeDescription *) = delete;
238 void setValue(sal_Bool const *, Type const &) = delete;
239 void setValue(sal_Bool const *, typelib_TypeDescriptionReference *)
240 = delete;
241 void setValue(sal_Bool const *, typelib_TypeDescription *) = delete;
242 void setValue(std::nullptr_t, Type const & type)
243 { setValue(static_cast<void *>(nullptr), type); }
244 void setValue(std::nullptr_t, typelib_TypeDescriptionReference * type)
245 { setValue(static_cast<void *>(nullptr), type); }
246 void setValue(std::nullptr_t, typelib_TypeDescription * type)
247 { setValue(static_cast<void *>(nullptr), type); }
248#endif
249
253 inline void SAL_CALL clear();
254
261 inline bool SAL_CALL isExtractableTo( const Type & rType ) const;
262
269 template <typename T>
270 inline bool has() const;
271
278 inline bool SAL_CALL operator == ( const Any & rAny ) const;
285 inline bool SAL_CALL operator != ( const Any & rAny ) const;
286
287private:
288#if !defined LIBO_INTERNAL_ONLY
290 // Forbid use with ambiguous type (sal_Unicode, sal_uInt16):
291 explicit Any(sal_uInt16) SAL_DELETED_FUNCTION;
293#endif
294};
295
296#if !defined LIBO_INTERNAL_ONLY
298// Forbid use with ambiguous type (sal_Unicode, sal_uInt16):
299template<> sal_uInt16 Any::get<sal_uInt16>() const SAL_DELETED_FUNCTION;
300template<> bool Any::has<sal_uInt16>() const SAL_DELETED_FUNCTION;
302#endif
303
315template< class C >
316inline Any SAL_CALL makeAny( const C & value );
317
318#if !defined LIBO_INTERNAL_ONLY
319template<> inline Any SAL_CALL makeAny(sal_uInt16 const & value);
320#endif
321
322 template<> Any SAL_CALL makeAny(Any const &) SAL_DELETED_FUNCTION;
323
331template<typename T> inline Any toAny(T const & value);
332
333template<> inline Any toAny(Any const & value);
334
335#if defined LIBO_INTERNAL_ONLY
336
354template<typename T> inline bool fromAny(Any const & any, T * value);
355
356template<> inline bool fromAny(Any const & any, Any * value);
357
358#endif
359
360class BaseReference;
361
368template< class C >
369inline void SAL_CALL operator <<= ( Any & rAny, const C & value );
370
371// additionally for C++ bool:
372template<>
373inline void SAL_CALL operator <<= ( Any & rAny, bool const & value );
374
384template< class C >
385inline bool SAL_CALL operator >>= ( const Any & rAny, C & value );
386
397template< class C >
398inline bool SAL_CALL operator == ( const Any & rAny, const C & value );
409template< class C >
410inline bool SAL_CALL operator != ( const Any & rAny, const C & value );
411
412// additional specialized >>= and == operators
413// bool
414template<>
415 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Bool & value );
416template<>
417inline bool SAL_CALL operator == ( const Any & rAny, const sal_Bool & value );
418template<>
419inline bool SAL_CALL operator >>= ( Any const & rAny, bool & value );
420template<>
421inline bool SAL_CALL operator == ( Any const & rAny, bool const & value );
422// byte
423template<>
424 inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int8 & value );
425// short
426template<>
427inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int16 & value );
428template<>
429inline bool SAL_CALL operator >>= ( const Any & rAny, sal_uInt16 & value );
430// long
431template<>
432inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int32 & value );
433template<>
434inline bool SAL_CALL operator >>= ( const Any & rAny, sal_uInt32 & value );
435// hyper
436template<>
437inline bool SAL_CALL operator >>= ( const Any & rAny, sal_Int64 & value );
438template<>
439inline bool SAL_CALL operator >>= ( const Any & rAny, sal_uInt64 & value );
440// float
441template<>
442inline bool SAL_CALL operator >>= ( const Any & rAny, float & value );
443// double
444template<>
445inline bool SAL_CALL operator >>= ( const Any & rAny, double & value );
446// string
447template<>
448inline bool SAL_CALL operator >>= ( const Any & rAny, ::rtl::OUString & value );
449template<>
450inline bool SAL_CALL operator == ( const Any & rAny, const ::rtl::OUString & value );
451// type
452template<>
453inline bool SAL_CALL operator >>= ( const Any & rAny, Type & value );
454template<>
455inline bool SAL_CALL operator == ( const Any & rAny, const Type & value );
456// any
457#if !defined LIBO_INTERNAL_ONLY
458template<>
459inline bool SAL_CALL operator >>= ( const Any & rAny, Any & value );
460#endif
461// interface
462template<>
463inline bool SAL_CALL operator == ( const Any & rAny, const BaseReference & value );
464
465}
466}
467}
468}
469
482 SAL_DEPRECATED("use cppu::UnoType")
483inline const ::com::sun::star::uno::Type & SAL_CALL getCppuType( SAL_UNUSED_PARAMETER const ::com::sun::star::uno::Any * )
484{
485 return ::cppu::UnoType< ::com::sun::star::uno::Any >::get();
486}
487
488#endif
489
490/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
config.h
SAL_DEPRECATED
#define SAL_DEPRECATED(message)
Use as follows: SAL_DEPRECATED("Don't use, it's evil.") void doit(int nPara);.
Definition: types.h:474
SAL_DELETED_FUNCTION
#define SAL_DELETED_FUNCTION
short-circuit extra-verbose API namespaces
Definition: types.h:378
SAL_UNUSED_PARAMETER
#define SAL_UNUSED_PARAMETER
Annotate unused but required C++ function parameters.
Definition: types.h:568
sal_Bool
unsigned char sal_Bool
Definition: types.h:38
sal_Int8
signed char sal_Int8
Definition: types.h:43
SAL_WARN_UNUSED
#define SAL_WARN_UNUSED
Annotate classes where a compiler should warn if an instance is unused.
Definition: types.h:587
alloc.h
rtl_freeMemory
SAL_DLLPUBLIC void rtl_freeMemory(void *Ptr) SAL_THROW_EXTERN_C()
Free memory.
rtl_allocateMemory
SAL_DLLPUBLIC void * rtl_allocateMemory(sal_Size Bytes) SAL_THROW_EXTERN_C()
Allocate memory.
ustring.hxx
typelib_TypeClass_VOID
@ typelib_TypeClass_VOID
type class of void
Definition: typeclass.h:32
typedescription.h
typelib_TypeDescription
struct SAL_DLLPUBLIC_RTTI _typelib_TypeDescription typelib_TypeDescription
Full type description of a type.
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.
typelib_TypeDescriptionReference
struct SAL_DLLPUBLIC_RTTI _typelib_TypeDescriptionReference typelib_TypeDescriptionReference
Holds a weak reference to a type description.
any2.h
uno_Any
struct SAL_DLLPUBLIC_RTTI _uno_Any uno_Any
This is the binary specification of a UNO any.
unotype.hxx
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:483
com
Definition: types.h:359
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:657
com::sun::star::uno::makeAny
Any makeAny(const C &value)
Template function to generically construct an any from a C++ value.
Definition: Any.hxx:232
com::sun::star::uno::operator!=
bool operator!=(const Any &rAny, const C &value)
Template inequality operator: compares set value of left side any to right side value.
Definition: Any.hxx:668
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:328
com::sun::star::uno::toAny
Any toAny(T const &value)
Wrap a value in an Any, if necessary.
Definition: Any.hxx:242
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:278
rtl::OUString
This String class provides base functionality for C++ like Unicode character array handling.
Definition: ustring.hxx:204
com::sun::star::uno::Any
C++ class representing an IDL any.
Definition: Any.h:57
com::sun::star::uno::Any::getValueType
const Type & getValueType() const
Gets the type of the set value.
Definition: Any.h:153
com::sun::star::uno::Any::getValueTypeDescription
void getValueTypeDescription(typelib_TypeDescription **ppTypeDescr) const
Gets the type description of the set value.
Definition: Any.h:167
com::sun::star::uno::Any::hasValue
bool hasValue() const
Tests if any contains a value.
Definition: Any.h:187
com::sun::star::uno::Any::getValueTypeRef
typelib_TypeDescriptionReference * getValueTypeRef() const
Gets the type of the set value.
Definition: Any.h:159
com::sun::star::uno::Any::getValue
const void * getValue() const
Gets a pointer to the set value.
Definition: Any.h:194
com::sun::star::uno::Any::getValueTypeClass
TypeClass getValueTypeClass() const
Gets the type class of the set value.
Definition: Any.h:174
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:67
com::sun::star::uno::Type
C++ class representing an IDL meta type.
Definition: Type.h:59