X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2FMoof%2FSingleton.hh;fp=src%2FMoof%2FSingleton.hh;h=0000000000000000000000000000000000000000;hb=a5f0d391406a68275b41448fc3f49e8d8396c497;hp=3d60ff29bc92b05535d56d1a8cd195d9153f24be;hpb=4701bf580b75a7d77a460c6f14f9fc31fb109bbb;p=chaz%2Fyoink diff --git a/src/Moof/Singleton.hh b/src/Moof/Singleton.hh deleted file mode 100644 index 3d60ff2..0000000 --- a/src/Moof/Singleton.hh +++ /dev/null @@ -1,91 +0,0 @@ - -/******************************************************************************* - - Copyright (c) 2009, Charles McGarvey - 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. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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 _MOOF_SINGLETON_HH_ -#define _MOOF_SINGLETON_HH_ - -#include - - -namespace Mf { - - -template -class Singleton -{ - static T* ptr_; - -public: - struct Exception : public std::runtime_error - { - explicit Exception(const std::string& what_arg) : - std::runtime_error(what_arg) {} - }; - - Singleton() - { - if (!ptr_) - { - // This hack is from Game Programming Gems. - long long offset = (long long)(T*)1 - (long long)(Singleton*)(T*)1; - ptr_ = (T*)((long long)this + offset); - } - } - ~Singleton() - { - long long offset = (long long)(T*)1 - (long long)(Singleton*)(T*)1; - if (ptr_ == (T*)((long long)this + offset)) - { - ptr_ = 0; - } - } - - static T& instance() - { - if (!ptr_) - { - throw Exception("accessing uninstantiated singleton"); - } - return *ptr_; - } - - static T* instance_ptr() - { - return ptr_; - } -}; - -template T* Singleton::ptr_ = 0; - - -} // namespace Mf - -#endif // _MOOF_SINGLETON_HH_ - -/** vim: set ts=4 sw=4 tw=80: *************************************************/ -