mirror of
https://github.com/kyleneideck/BackgroundMusic
synced 2024-12-02 08:49:23 +00:00
151 lines
7.8 KiB
C++
151 lines
7.8 KiB
C++
/*
|
|
File: CACFNumber.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(__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
|