1  #ifndef __CORE_FOUNDATION_BASICS__
 2  #define __CORE_FOUNDATION_BASICS__
 3  
 4  
 5  
 6  /*
 7  	This file contains basics for supporting our objects as CoreFoundation
 8  	objects.
 9  */
10  
11  #include <CoreFoundation/CFRuntime.h>
12  #include <string>
13  #include "LinkedList.h"
14  
15  void CoreFoundationObjectsRegister();
16  
17  extern const CFStringRef gInternalCFObjectName;
18  extern const CFStringRef gInternalProtectedCFObjectName;
19  
20  struct CoreFoundationHolder;
21  
22  class CoreFoundationObject
23  {
24  private:
25  	CoreFoundationHolder* mHolder;
26  
27  protected:
28  	CoreFoundationObject(CFStringRef objectType);
29  
30  protected:
31  	CFStringRef mObjectType;
32  
33  public:
34  	virtual ~CoreFoundationObject();
35  
36      // compares mHolder's pointer, if you override you need
37      // to also override Hash.
38  	virtual Boolean Equal(const CoreFoundationObject* object);
39  	virtual CFHashCode Hash();
40  	virtual std::string FormattingDescription(CFDictionaryRef options);
41  	virtual std::string DebugDescription();
42  	// default is to call delete.   Complex objects with queues may wish to release the queue and use the queue finalizer to call delete.
43  	virtual void Finalize();
44  
45  	// register your class with the CFRuntime.  You must supply
46  	// a class name for your object.
47  	static void RegisterObject(CFStringRef name, bool protectFromDelete);
48  	static CFTypeID FindObjectType(CFStringRef name);
49  	static LinkedListHeader* GetClassRegistryList();
50  	
51  	void SetHolder(CoreFoundationHolder* holder) {mHolder = holder;}
52  	CFTypeRef GetCFObject() {return mHolder;}
53  	
54  	CFStringRef GetTypeAsCFString();
55  };
56  
57  
58  
59  struct CoreFoundationHolder
60  {
61  	CFRuntimeBase mRuntimeBase;
62  	CoreFoundationObject* mObject;
63  	// name should really be a CFStringRef, not std::string (better memory use)
64  	static CoreFoundationHolder* MakeHolder(CFStringRef name, CoreFoundationObject* object);
65  	static CoreFoundationObject* ObjectFromCFType(CFTypeRef cfRef);
66  };
67  
68  
69  
70  #endif