Paul Davis
449aab3c46
git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
103 lines
5.7 KiB
C++
103 lines
5.7 KiB
C++
/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
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("Apple") in consideration of your agreement to the following terms, and your
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use, installation, modification or redistribution of this Apple software
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constitutes acceptance of these terms. If you do not agree with these terms,
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please do not use, install, modify or redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and subject
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to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
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copyrights in this original Apple software (the "Apple Software"), to use,
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reproduce, modify and redistribute the Apple Software, with or without
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modifications, in source and/or binary forms; provided that if you redistribute
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the Apple Software in its entirety and without modifications, you must retain
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this notice and the following text and disclaimers in all such redistributions of
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the Apple Software. Neither the name, trademarks, service marks or logos of
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Apple Computer, Inc. may be used to endorse or promote products derived from the
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Apple Software without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or implied,
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are granted by Apple herein, including but not limited to any patent rights that
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may be infringed by your derivative works or by other works in which the Apple
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Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
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WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
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COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
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OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
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(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*=============================================================================
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CACFNumber.h
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=============================================================================*/
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#if !defined(__CACFNumber_h__)
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#define __CACFNumber_h__
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//=============================================================================
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// Includes
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//=============================================================================
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#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
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#include <CoreAudio/CoreAudioTypes.h>
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#include <CoreFoundation/CFNumber.h>
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#else
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#include <CoreAudioTypes.h>
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#include <CFNumber.h>
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#endif
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//=============================================================================
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// CACFNumber
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//=============================================================================
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class CACFNumber
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{
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// Construction/Destruction
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public:
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CACFNumber(CFNumberRef inCFNumber, bool inWillRelease = true) : mCFNumber(inCFNumber), mWillRelease(inWillRelease) {}
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CACFNumber(SInt32 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt32Type, &inValue)), mWillRelease(true) {}
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CACFNumber(UInt32 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt32Type, &inValue)), mWillRelease(true) {}
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CACFNumber(SInt64 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt64Type, &inValue)), mWillRelease(true) {}
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CACFNumber(UInt64 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberSInt64Type, &inValue)), mWillRelease(true) {}
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CACFNumber(Float32 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberFloat32Type, &inValue)), mWillRelease(true) {}
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CACFNumber(Float64 inValue) : mCFNumber(CFNumberCreate(NULL, kCFNumberFloat64Type, &inValue)), mWillRelease(true) {}
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~CACFNumber() { Release(); }
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CACFNumber(const CACFNumber& inNumber) : mCFNumber(inNumber.mCFNumber), mWillRelease(inNumber.mWillRelease) { Retain(); }
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CACFNumber& operator=(const CACFNumber& inNumber) { Release(); mCFNumber = inNumber.mCFNumber; mWillRelease = inNumber.mWillRelease; Retain(); return *this; }
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CACFNumber& operator=(CFNumberRef inCFNumber) { Release(); mCFNumber = inCFNumber; mWillRelease = true; return *this; }
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private:
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void Retain() { if(mWillRelease && (mCFNumber != NULL)) { CFRetain(mCFNumber); } }
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void Release() { if(mWillRelease && (mCFNumber != NULL)) { CFRelease(mCFNumber); } }
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CFNumberRef mCFNumber;
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bool mWillRelease;
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// Operations
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public:
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void AllowRelease() { mWillRelease = true; }
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void DontAllowRelease() { mWillRelease = false; }
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bool IsValid() { return mCFNumber != NULL; }
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// Value Access
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public:
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CFNumberRef GetCFNumber() const { return mCFNumber; }
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CFNumberRef CopyCFNumber() const { if(mCFNumber != NULL) { CFRetain(mCFNumber); } return mCFNumber; }
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SInt8 GetSInt8() const { SInt8 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt8Type, &theAnswer); } return theAnswer; }
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SInt32 GetSInt32() const { SInt32 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt32Type, &theAnswer); } return theAnswer; }
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Float32 GetFloat32() const { Float32 theAnswer = 0.0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberFloat32Type, &theAnswer); } return theAnswer; }
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Float32 GetFixed32() const;
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SInt64 GetSInt64() const { SInt64 theAnswer = 0; if(mCFNumber != NULL) { CFNumberGetValue(mCFNumber, kCFNumberSInt64Type, &theAnswer); } return theAnswer; }
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};
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#endif
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