/*

     File: CACFNumber.h

 Abstract: Part of CoreAudio Utility Classes

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*/

#if !defined(__CACFNumber_h__)

#define __CACFNumber_h__

//=============================================================================

//  Includes

//=============================================================================

#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)

    #include <CoreAudio/CoreAudioTypes.h>

    #include <CoreFoundation/CFNumber.h>

#else

    #include <CoreAudioTypes.h>

    #include <CFNumber.h>

#endif

//=============================================================================

//  CACFBoolean

//=============================================================================

class   CACFBoolean

{

//  Construction/Destruction

public:

    explicit        CACFBoolean(CFBooleanRef inCFBoolean) : mCFBoolean(inCFBoolean), mWillRelease(true) {}

                    CACFBoolean(CFBooleanRef inCFBoolean, bool inWillRelease) : mCFBoolean(inCFBoolean), mWillRelease(inWillRelease) {}

    explicit        CACFBoolean(bool inValue) : mCFBoolean(inValue ? kCFBooleanTrue : kCFBooleanFalse), mWillRelease(true) { Retain(); }

                    ~CACFBoolean() { Release(); }

                    CACFBoolean(const CACFBoolean& inBoolean) : mCFBoolean(inBoolean.mCFBoolean), mWillRelease(inBoolean.mWillRelease) { Retain(); }

    CACFBoolean&    operator=(const CACFBoolean& inBoolean) { Release(); mCFBoolean = inBoolean.mCFBoolean; mWillRelease = inBoolean.mWillRelease; Retain(); return *this; }

    CACFBoolean&    operator=(CFBooleanRef inCFBoolean) { Release(); mCFBoolean = inCFBoolean; mWillRelease = true; return *this; }

private:

    void            Retain() { if(mWillRelease && (mCFBoolean != NULL)) { CFRetain(mCFBoolean); } }

    void            Release() { if(mWillRelease && (mCFBoolean != NULL)) { CFRelease(mCFBoolean); } }

    CFBooleanRef    mCFBoolean;

    bool            mWillRelease;

//  Operations

public:

    void            AllowRelease() { mWillRelease = true; }

    void            DontAllowRelease() { mWillRelease = false; }

    bool            IsValid() { return mCFBoolean != NULL; }

//  Value Access

public:

    CFBooleanRef    GetCFBoolean() const { return mCFBoolean; }

    CFBooleanRef    CopyCFBoolean() const { if(mCFBoolean != NULL) { CFRetain(mCFBoolean); } return mCFBoolean; }

    bool            GetBoolean() const { bool theAnswer = false; if(mCFBoolean != NULL) { theAnswer = CFEqual(mCFBoolean, kCFBooleanTrue); } return theAnswer; }

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

};

//=============================================================================

//  CACFNumber

//=============================================================================

class   CACFNumber

{

//  Construction/Destruction

public:

    explicit    CACFNumber(CFNumberRef inCFNumber) : mCFNumber(inCFNumber), mWillRelease(true) {}

                CACFNumber(CFNumberRef inCFNumber, bool inWillRelease) : mCFNumber(inCFNumber), mWillRelease(inWillRelease) {}

                CACFNumber(SInt32 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt32Type, &inValue)), mWillRelease(true) {}

                CACFNumber(UInt32 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt32Type, &inValue)), mWillRelease(true) {}

                CACFNumber(SInt64 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt64Type, &inValue)), mWillRelease(true) {}

                CACFNumber(UInt64 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt64Type, &inValue)), mWillRelease(true) {}

                CACFNumber(Float32 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberFloat32Type, &inValue)), mWillRelease(true) {}

                CACFNumber(Float64 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberFloat64Type, &inValue)), mWillRelease(true) {}

                ~CACFNumber() { Release(); }

                CACFNumber(const CACFNumber& inNumber) : mCFNumber(inNumber.mCFNumber), mWillRelease(inNumber.mWillRelease) { Retain(); }

    CACFNumber& operator=(const CACFNumber& inNumber) { Release(); mCFNumber = inNumber.mCFNumber; mWillRelease = inNumber.mWillRelease; Retain(); return *this; }

    CACFNumber& operator=(CFNumberRef inCFNumber) { Release(); mCFNumber = inCFNumber; mWillRelease = true; return *this; }

private:

    void        Retain() { if(mWillRelease && (mCFNumber != NULL)) { CFRetain(mCFNumber); } }

    void        Release() { if(mWillRelease && (mCFNumber != NULL)) { CFRelease(mCFNumber); } }

    CFNumberRef mCFNumber;

    bool        mWillRelease;

//  Operations

public:

    void        AllowRelease() { mWillRelease = true; }

    void        DontAllowRelease() { mWillRelease = false; }

    bool        IsValid() const { return mCFNumber != NULL; }

//  Value Access

public:

    CFNumberRef GetCFNumber() const { return mCFNumber; }

    CFNumberRef CopyCFNumber() const { if(mCFNumber != NULL) { CFRetain(mCFNumber); } return mCFNumber; }

    SInt8       GetSInt8() const { SInt8 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt8Type, &theAnswer); } return theAnswer; }

    SInt32      GetSInt32() const { SInt32 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt32Type, &theAnswer); } return theAnswer; }

    UInt32      GetUInt32() const { UInt32 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt32Type, &theAnswer); } return theAnswer; }

    Float32     GetFloat32() const { Float32 theAnswer = 0.0f; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberFloat32Type, &theAnswer); } return theAnswer; }

    Float32     GetFixed32() const;

    Float64     GetFixed64() const;

    SInt64      GetSInt64() const { SInt64 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt64Type, &theAnswer); } return theAnswer; }

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

};

#endif