1 files changed, 94 insertions, 0 deletions
diff --git a/src/lua/common/je_lua_shared.cpp b/src/lua/common/je_lua_shared.cpp
new file mode 100644
index 0000000..a3478dd
--- /dev/null
+++ b/src/lua/common/je_lua_shared.cpp
@@ -0,0 +1,94 @@
+#include "je_lua.h"
+#include "je_lua_shared.hpp"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        void SharedBase::retain()
+        {
+            ++mCount;
+        }
+
+        void SharedBase::release()
+        {
+            if (--mCount <= 0)
+            {
+                luax_removeobject(mL, this);
+                delete this;
+            }
+        }
+
+        void SharedBase::setDependency(int key, SharedBase* shared)
+        {
+            removeDependency(key);
+            shared->retain();
+            mDependencies.insert(std::pair<int, SharedBase*>(key, shared));
+        }
+
+        void SharedBase::removeDependency(int key)
+        {
+            if (!isDependOn(key))
+                return;
+            std::map<int, SharedBase*>::iterator it = mDependencies.find(key);
+            it->second->release();
+            mDependencies.erase(it);
+        }
+
+        void SharedBase::removeDependency(SharedBase* dep)
+        {
+            for (std::map<int, SharedBase*>::iterator it = mDependencies.begin(); it != mDependencies.end();)
+            {
+                if (it->second == dep)
+                {
+                    it->second->release();
+                    mDependencies.erase(it);
+                }
+                else
+                    ++it;
+            }
+        }
+
+        bool SharedBase::isDependOn(int key)
+        {
+            return mDependencies.find(key) != mDependencies.end();
+        }
+
+        bool SharedBase::isDependOn(SharedBase* shared)
+        {
+            for (std::pair<int, SharedBase*> dep : mDependencies)
+            {
+                if (dep.second == shared)
+                    return true;
+            }
+            return false;
+        }
+
+        void SharedBase::clearDependencies()
+        {
+            for (std::pair<int, SharedBase*> dep : mDependencies)
+                dep.second->release();
+            mDependencies.clear();
+        }
+
+        SharedBase* SharedBase::getDependency(int key)
+        {
+            if (!isDependOn(key))
+                return nullptr;
+            return mDependencies.find(key)->second;
+        }
+
+        bool SharedBase::isType(const char* t)
+        {
+            return strcmp(type, t) == 0;
+        }
+
+        int SharedBase::getDependencyCount()
+        {
+            return mDependencies.size();
+        }
+
+
+    }
+}
+\ No newline at end of file