livetrax/libs/appleutility/CoreAudio/PublicUtility/CACFDictionary.h

/*
     File: CACFDictionary.h
 Abstract: Part of CoreAudio Utility Classes
  Version: 1.1

 Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
 Inc. ("Apple") in consideration of your agreement to the following
 terms, and your use, installation, modification or redistribution of
 this Apple software constitutes acceptance of these terms.  If you do
 not agree with these terms, please do not use, install, modify or
 redistribute this Apple software.

 In consideration of your agreement to abide by the following terms, and
 subject to these terms, Apple grants you a personal, non-exclusive
 license, under Apple's copyrights in this original Apple software (the
 "Apple Software"), to use, reproduce, modify and redistribute the Apple
 Software, with or without modifications, in source and/or binary forms;
 provided that if you redistribute the Apple Software in its entirety and
 without modifications, you must retain this notice and the following
 text and disclaimers in all such redistributions of the Apple Software.
 Neither the name, trademarks, service marks or logos of Apple Inc. may
 be used to endorse or promote products derived from the Apple Software
 without specific prior written permission from Apple.  Except as
 expressly stated in this notice, no other rights or licenses, express or
 implied, are granted by Apple herein, including but not limited to any
 patent rights that may be infringed by your derivative works or by other
 works in which the Apple Software may be incorporated.

 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
 MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
 AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
 STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.

 Copyright (C) 2014 Apple Inc. All Rights Reserved.

*/
#if !defined(__CACFDictionary_h__)
#define __CACFDictionary_h__

//=============================================================================
//	Includes
//=============================================================================

//	System Includes
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
	#include <CoreFoundation/CoreFoundation.h>
#else
	#include <CoreFoundation.h>
#endif

//=============================================================================
//	Types
//=============================================================================

class	CACFArray;
class	CACFString;

//=============================================================================
//	CACFDictionary
//=============================================================================

class CACFDictionary
{

//	Construction/Destruction
public:
							CACFDictionary()														: mCFDictionary(CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)), mRelease(true), mMutable(true) {}
	explicit				CACFDictionary(bool inRelease)											: mCFDictionary(CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)), mRelease(inRelease), mMutable(true) {}
							CACFDictionary(CFDictionaryRef inCFDictionary, bool inRelease)			: mCFDictionary(const_cast<CFMutableDictionaryRef>(inCFDictionary)), mRelease(inRelease), mMutable(false) {}
							CACFDictionary(CFMutableDictionaryRef inCFDictionary, bool inRelease)	: mCFDictionary(inCFDictionary), mRelease(inRelease), mMutable(true) {}
							CACFDictionary(const CACFDictionary& inDictionary)						: mCFDictionary(inDictionary.mCFDictionary), mRelease(inDictionary.mRelease), mMutable(inDictionary.mMutable) { Retain(); }
	CACFDictionary&			operator=(const CACFDictionary& inDictionary)							{ Release(); mCFDictionary = inDictionary.mCFDictionary; mRelease = inDictionary.mRelease; mMutable = inDictionary.mMutable; Retain(); return *this; }
	CACFDictionary&			operator=(CFDictionaryRef inDictionary)									{ Release(); mCFDictionary = const_cast<CFMutableDictionaryRef>(inDictionary); mMutable = false; Retain(); return *this; }
	CACFDictionary&			operator=(CFMutableDictionaryRef inDictionary)							{ Release(); mCFDictionary = inDictionary; mMutable = true; Retain(); return *this; }
							~CACFDictionary()														{ Release(); }

private:
	void					Retain()																{ if(mRelease && (mCFDictionary != NULL)) { CFRetain(mCFDictionary); } }
	void					Release()																{ if(mRelease && (mCFDictionary != NULL)) { CFRelease(mCFDictionary); } }

//	Attributes
public:
	bool					IsValid() const															{ return mCFDictionary != NULL; }
	bool					IsMutable() const														{ return mMutable;}
	bool					CanModify() const														{ return mMutable && (mCFDictionary != NULL); }

	bool					WillRelease() const														{ return mRelease; }
	void					ShouldRelease(bool inRelease)											{ mRelease = inRelease; }

	CFDictionaryRef			GetDict() const															{ return mCFDictionary; }
	CFDictionaryRef			GetCFDictionary() const													{ return mCFDictionary; }
	CFDictionaryRef			CopyCFDictionary() const												{ if(mCFDictionary != NULL) { CFRetain(mCFDictionary); } return mCFDictionary; }

	CFMutableDictionaryRef	GetMutableDict()														{ return mCFDictionary; }
	CFMutableDictionaryRef	GetCFMutableDictionary() const											{ return mCFDictionary; }
	CFMutableDictionaryRef	CopyCFMutableDictionary() const											{ if(mCFDictionary != NULL) { CFRetain(mCFDictionary); } return mCFDictionary; }
	void					SetCFMutableDictionaryFromCopy(CFDictionaryRef inDictionary, bool inRelease = true)		{ Release(); mCFDictionary = CFDictionaryCreateMutableCopy(NULL, 0, inDictionary); mMutable = true; mRelease = inRelease; }
	void					SetCFMutableDictionaryToEmpty(bool inRelease = true)					{ Release(); mCFDictionary = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); mMutable = true; mRelease = inRelease; }

	CFPropertyListRef		AsPropertyList() const													{ return mCFDictionary; }
	OSStatus				GetDictIfMutable(CFMutableDictionaryRef& outDict) const					{ OSStatus theAnswer = -1; if(mMutable) { outDict = mCFDictionary; theAnswer = 0; } return theAnswer; }

//	Item Operations
public:
	bool					HasKey(const CFStringRef inKey) const;
	UInt32					Size() const;
	void					GetKeys(const void** keys) const;
	void					GetKeysAndValues (const void **keys, const void **values) const;

	bool					GetBool(const CFStringRef inKey, bool& outValue) const;
	bool					GetSInt32(const CFStringRef inKey, SInt32& outValue) const;
	bool					GetUInt32(const CFStringRef inKey, UInt32& outValue) const;
	bool					GetUInt32FromString(const CFStringRef inKey, UInt32& outValue) const;
	bool					GetSInt64(const CFStringRef inKey, SInt64& outValue) const;
	bool					GetUInt64(const CFStringRef inKey, UInt64& outValue) const;
	bool					GetFloat32(const CFStringRef inKey, Float32& outValue) const;
	bool					GetFloat32FromString(const CFStringRef inKey, Float32& outValue) const;
	bool					GetFloat64(const CFStringRef inKey, Float64& outValue) const;
	bool					GetFixed32(const CFStringRef inKey, Float32& outValue) const;
	bool					GetFixed64(const CFStringRef inKey, Float64& outValue) const;
	bool					Get4CC(const CFStringRef inKey, UInt32& outValue) const;
	bool					GetString(const CFStringRef inKey, CFStringRef& outValue) const;
	bool					GetArray(const CFStringRef inKey, CFArrayRef& outValue) const;
	bool					GetDictionary(const CFStringRef inKey, CFDictionaryRef& outValue) const;
	bool					GetData(const CFStringRef inKey, CFDataRef& outValue) const;
	bool					GetCFType(const CFStringRef inKey, CFTypeRef& outValue) const;
	bool					GetURL(const CFStringRef inKey, CFURLRef& outValue) const;
	bool					GetCFTypeWithCStringKey(const char* inKey, CFTypeRef& outValue) const;

	void					GetCACFString(const CFStringRef inKey, CACFString& outItem) const;
	void					GetCACFArray(const CFStringRef inKey, CACFArray& outItem) const;
	void					GetCACFDictionary(const CFStringRef inKey, CACFDictionary& outItem) const;

	bool					AddBool(const CFStringRef inKey, bool inValue);
	bool					AddSInt32(const CFStringRef inKey, SInt32 inValue);
	bool					AddUInt32(const CFStringRef inKey, UInt32 inValue);
	bool					AddSInt64(const CFStringRef inKey, SInt64 inValue);
	bool					AddUInt64(const CFStringRef inKey, UInt64 inValue);
	bool					AddFloat32(const CFStringRef inKey, Float32 inValue);
	bool					AddFloat64(const CFStringRef inKey, Float64 inValue);
	bool					AddNumber(const CFStringRef inKey, const CFNumberRef inValue);
	bool					AddString(const CFStringRef inKey, const CFStringRef inValue);
	bool					AddArray(const CFStringRef inKey, const CFArrayRef inValue);
	bool					AddDictionary(const CFStringRef inKey, const CFDictionaryRef inValue);
	bool					AddData(const CFStringRef inKey, const CFDataRef inValue);
	bool					AddCFType(const CFStringRef inKey, const CFTypeRef inValue);
	bool					AddURL(const CFStringRef inKey, const CFURLRef inValue);

	bool					AddCFTypeWithCStringKey(const char* inKey, const CFTypeRef inValue);
	bool					AddCString(const CFStringRef inKey, const char* inValue);

	void					RemoveKey(const CFStringRef inKey)										{ if(CanModify()) { CFDictionaryRemoveValue(mCFDictionary, inKey); } }
	void					Clear()																	{ if(CanModify()) { CFDictionaryRemoveAllValues(mCFDictionary); } }

	void					Show()																	{ CFShow(mCFDictionary); }

//	Implementation
private:
	CFMutableDictionaryRef 	mCFDictionary;
	bool					mRelease;
	bool					mMutable;

							CACFDictionary(const void*);	// prevent accidental instantiation with a pointer via bool constructor
};

#endif //__CACFDictionary_h__