diff options
Diffstat (limited to '')
-rw-r--r-- | src/leeds/base/singletonManager.cpp | 36 | ||||
-rw-r--r-- | src/leeds/base/singletonManager.h | 60 |
2 files changed, 96 insertions, 0 deletions
diff --git a/src/leeds/base/singletonManager.cpp b/src/leeds/base/singletonManager.cpp new file mode 100644 index 00000000..9ff9f28c --- /dev/null +++ b/src/leeds/base/singletonManager.cpp @@ -0,0 +1,36 @@ +#include "common.h" + +#include "singletonManager.h" + +namespace base +{ + +cSingletonManager& SingletonManager() +{ + static cSingletonManager manager; + return manager; +} + +cSingletonManager::~cSingletonManager() +{ + Purge(); +} + +void cSingletonManager::Add(cSingletonBase* node) +{ + node->next = head; + if (!head) + tail = node; + head = node; +} + +void cSingletonManager::Purge() +{ + for (cSingletonBase* node = tail; node; node = tail) { + tail = node->next; + delete node; + } +} + + +}
\ No newline at end of file diff --git a/src/leeds/base/singletonManager.h b/src/leeds/base/singletonManager.h new file mode 100644 index 00000000..833e178b --- /dev/null +++ b/src/leeds/base/singletonManager.h @@ -0,0 +1,60 @@ +#pragma once + +#include "common.h" + +namespace base +{ + +class cSingletonBase +{ + friend class cSingletonManager; + + cSingletonBase* next; + +public: + virtual ~cSingletonBase() {} +}; + +template<typename T> +class cSingleton : public cSingletonBase +{ + static T* mspInstance; + static void cSingleton<T>::CreateInstance() + { + mspInstance = new T(); + SingletonManager().Add(mspInstance); + } + +public: + static T* Instance() + { + if (!mspInstance) + CreateInstance(); + return mspInstance; + } + + ~cSingleton<T>() + { + mspInstance = nil; + } +}; + +class cSingletonManager +{ + cSingletonBase* head; + cSingletonBase* tail; + +public: + cSingletonManager() : + head(nil), + tail(nil) + {} + + void Add(cSingletonBase*); + void Purge(); + ~cSingletonManager(); +}; + +cSingletonManager& SingletonManager(); + +}
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