PublicUtility/CACFDictionary.h

/*
     File: CACFDictionary.h 
 Abstract:  Part of CoreAudio Utility Classes  
  Version: 1.1.1 
  
 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) 2013 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(bool inRelease = true)                                   : 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;
    
    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                    GetSInt64(const CFStringRef inKey, SInt64& outValue) const;
    bool                    GetUInt64(const CFStringRef inKey, UInt64& outValue) const;
    bool                    GetFloat32(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;
};
 
#endif //__CACFDictionary_h__