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Diffstat (limited to 'lib/libUPnP/Neptune/Source/Core/NptDynamicCast.h')
| -rw-r--r-- | lib/libUPnP/Neptune/Source/Core/NptDynamicCast.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/libUPnP/Neptune/Source/Core/NptDynamicCast.h b/lib/libUPnP/Neptune/Source/Core/NptDynamicCast.h new file mode 100644 index 0000000..0acab88 --- /dev/null +++ b/lib/libUPnP/Neptune/Source/Core/NptDynamicCast.h @@ -0,0 +1,89 @@ +/***************************************************************** +| +| Neptune - Dynamic Cast Support +| +| Copyright (c) 2002-2008, Axiomatic Systems, LLC. +| All rights reserved. +| +| Redistribution and use in source and binary forms, with or without +| modification, are permitted provided that the following conditions are met: +| * Redistributions of source code must retain the above copyright +| notice, this list of conditions and the following disclaimer. +| * Redistributions in binary form must reproduce the above copyright +| notice, this list of conditions and the following disclaimer in the +| documentation and/or other materials provided with the distribution. +| * Neither the name of Axiomatic Systems nor the +| names of its contributors may be used to endorse or promote products +| derived from this software without specific prior written permission. +| +| THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY +| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +| DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY +| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +| + ****************************************************************/ + +#ifndef _NPT_DYNAMIC_CAST_H_ +#define _NPT_DYNAMIC_CAST_H_ + +/*---------------------------------------------------------------------- +| includes ++---------------------------------------------------------------------*/ +#include "NptTypes.h" +#include "NptCommon.h" +#include "NptResults.h" +#include "NptConfig.h" + +/*---------------------------------------------------------------------- +| macros ++---------------------------------------------------------------------*/ +#if defined(NPT_CONFIG_NO_RTTI) +#define NPT_DYNAMIC_CAST(_class,_object) \ +( ((_object)==0) ? 0 : reinterpret_cast<_class*>((_object)->DynamicCast(&_class::_class_##_class)) ) +#define NPT_IMPLEMENT_DYNAMIC_CAST(_class) \ +static int _class_##_class; \ +virtual void* DynamicCast(const void* class_anchor) { \ + if (class_anchor == &_class::_class_##_class) { \ + return static_cast<_class*>(this); \ + } \ + return NULL; \ +} +#define NPT_IMPLEMENT_DYNAMIC_CAST_D(_class,_superclass)\ +static int _class_##_class; \ +virtual void* DynamicCast(const void* class_anchor) { \ + if (class_anchor == &_class::_class_##_class) { \ + return static_cast<_class*>(this); \ + } else { \ + return _superclass::DynamicCast(class_anchor); \ + } \ +} +#define NPT_IMPLEMENT_DYNAMIC_CAST_D2(_class,_superclass,_mixin)\ +static int _class_##_class; \ +virtual void* DynamicCast(const void* class_anchor) { \ + if (class_anchor == &_class::_class_##_class) { \ + return static_cast<_class*>(this); \ + } else { \ + void* sup = _superclass::DynamicCast(class_anchor); \ + if (sup) return sup; \ + return _mixin::DynamicCast(class_anchor); \ + } \ +} +#define NPT_DEFINE_DYNAMIC_CAST_ANCHOR(_class) int _class::_class_##_class = 0; + +#else + +#define NPT_DYNAMIC_CAST(_class,_object) dynamic_cast<_class*>(_object) +#define NPT_IMPLEMENT_DYNAMIC_CAST(_class) +#define NPT_IMPLEMENT_DYNAMIC_CAST_D(_class,_superclass) +#define NPT_IMPLEMENT_DYNAMIC_CAST_D2(_class,_superclass,_mixin) +#define NPT_DEFINE_DYNAMIC_CAST_ANCHOR(_class) + +#endif + +#endif // _NPT_DYNAMIC_CAST_H_ |