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Use std::shared_ptr<T> if C++11 is available

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Tsuda kageyu 2013-04-17 11:12:42 +09:00
parent 38220a57ce
commit 24736b919a
2 changed files with 33 additions and 13 deletions
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5
CMakeLists.txt
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@ -11,6 +11,11 @@ else()
endif()
OPTION(ENABLE_STATIC_RUNTIME "Visual Studio, link with runtime statically" OFF)
option(ENABLE_CXX11 "Enable C++11 features" OFF)
if(ENABLE_CXX11)
add_definitions(-DTAGLIB_USE_CXX11)
endif()
option(VISIBILITY_HIDDEN "Build with -fvisibility=hidden" OFF)
if(VISIBILITY_HIDDEN)
add_definitions (-fvisibility=hidden)

41
taglib/toolkit/trefcountptr.h
View File

@ -26,21 +26,26 @@
#ifndef TAGLIB_REFCOUNTPTR_H
#define TAGLIB_REFCOUNTPTR_H
#include "tdebug.h"
// TAGLIB_USE_CXX11 determines whether or not to enable C++11 features.
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
# define TAGLIB_ATOMIC_MAC
#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
# define TAGLIB_ATOMIC_WIN
#elif defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 401) \
#ifdef TAGLIB_USE_CXX11
# include <memory>
#else
# ifdef __APPLE__
# include <libkern/OSAtomic.h>
# define TAGLIB_ATOMIC_MAC
# elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
# define TAGLIB_ATOMIC_WIN
# elif defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 401) \
&& (defined(__i386__) || defined(__i486__) || defined(__i586__) || \
defined(__i686__) || defined(__x86_64) || defined(__ia64)) \
&& !defined(__INTEL_COMPILER)
# define TAGLIB_ATOMIC_GCC
#elif defined(__ia64) && defined(__INTEL_COMPILER)
# include <ia64intrin.h>
# define TAGLIB_ATOMIC_GCC
# define TAGLIB_ATOMIC_GCC
# elif defined(__ia64) && defined(__INTEL_COMPILER)
# include <ia64intrin.h>
# define TAGLIB_ATOMIC_GCC
# endif
#endif
#ifndef DO_NOT_DOCUMENT // Tell Doxygen to skip this class.
@ -52,9 +57,18 @@
* \warning This <b>is not</b> part of the TagLib public API!
*/
#ifdef TAGLIB_USE_CXX11
// RefCountPtr<T> is just an alias of std::shared_ptr<T> if C++11 is available.
# define RefCountPtr std::shared_ptr
// Workaround for the fact that some compilers don't support the template aliases.
#else
namespace TagLib {
// RefCountPtr<T> mimics std::shared_ptr<T>.
// RefCountPtr<T> mimics std::shared_ptr<T> if C++11 is not available.
template<typename T>
class RefCountPtr
@ -234,7 +248,8 @@ namespace TagLib {
counter_base *counter;
};
}
#endif // TAGLIB_USE_CXX11
#endif // DO_NOT_DOCUMENT
#endif
#endif