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Viewing changes to src/hz/down_cast.h

  • Committer: Package Import Robot
  • Author(s): Giuseppe Iuculano
  • Date: 2013-05-31 11:41:52 UTC
  • mfrom: (1.1.4)
  • Revision ID: package-import@ubuntu.com-20130531114152-5ljhkuswwpt4kdwo
Tags: 0.8.7-1
* [314881d] Updated debian/watch
* [18ebada] Imported Upstream version 0.8.7
* [c2a1f1b] debian/rules: Provide build-arch and build-indep
* [d3036a4] Enabled Hardening Options
* [2edfb87] Refreshed patches and removed patches apllied upstream
* [ac3b953] Bump to standard versions 3.9.4
* [292c276] Remove quilt from depends

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src/hz/down_cast.h
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/**************************************************************************
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 Copyright:
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      (C) 2003 - 2011  Alexander Shaduri <ashaduri 'at' gmail.com>
 
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      (C) 2003 - 2012  Alexander Shaduri <ashaduri 'at' gmail.com>
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 License: See LICENSE_zlib.txt file
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***************************************************************************/
 
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/// \file
 
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/// \author Alexander Shaduri
 
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/// \ingroup hz
 
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/// \weakgroup hz
 
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/// @{
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#ifndef HZ_DOWN_CAST_H
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#define HZ_DOWN_CAST_H
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namespace hz {
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// Perform a down cast.
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// This cast works with polymorphic and non-polymorphic types.
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// If RTTI is disabled, it will revert to static_cast; otherwise,
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// dynamic_cast is used for polymorphic types and static_cast
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// for non-polymorphic types.
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// Use with pointers only!
 
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/// Perform a down cast (pointers only!).
 
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/// This cast works with polymorphic and non-polymorphic types.
 
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/// If RTTI is disabled, it will revert to static_cast; otherwise,
 
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/// dynamic_cast is used for polymorphic types and static_cast
 
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/// for non-polymorphic types.
 
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template<typename Target, typename Source> inline
 
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Target down_cast(const Source& arg);
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namespace internal {
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        /// Helper for down_cast, uses dynamic_cast unless the types are non-polymorphic,
 
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        /// in which case static_cast is used.
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        template<typename Target, typename Source,
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                        bool Polymorphic = type_is_polymorphic<typename type_remove_pointer<Target>::type>::value
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                                        && type_is_polymorphic<typename type_remove_pointer<Source>::type>::value >
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        };
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        // non-polymorphic specialization
 
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        /// Non-polymorphic specialization
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        template<typename Target, typename Source>
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        struct down_cast_helper<Target, Source, false>
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        {
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#endif
 
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/// @}