libs/appleutility/CACFString.h

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  38 /*=============================================================================
  39         CACFString.h
  40
  41 =============================================================================*/
  42 #if !defined(__CACFString_h__)
  43 #define __CACFString_h__
  44
  45 //=============================================================================
  46 //      Includes
  47 //=============================================================================
  48
  49 #if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
  50         #include <CoreAudio/CoreAudioTypes.h>
  51         #include <CoreFoundation/CFString.h>
  52 #else
  53         #include <CoreAudioTypes.h>
  54         #include <CFString.h>
  55 #endif
  56
  57 //=============================================================================
  58 //      CACFString
  59 //=============================================================================
  60
  61 class   CACFString
  62 {
  63 //      Construction/Destruction
  64 public:
  65                                         CACFString() : mCFString(NULL), mWillRelease(true) {}
  66                                         CACFString(CFStringRef inCFString, bool inWillRelease = true) : mCFString(inCFString), mWillRelease(inWillRelease) {}
  67                                         CACFString(const char* inCString, bool inWillRelease = true) : mCFString(CFStringCreateWithCString(NULL, inCString, kCFStringEncodingASCII)), mWillRelease(inWillRelease) {}
  68                                         CACFString(const char* inCString, CFStringEncoding inCStringEncoding, bool inWillRelease = true) : mCFString(CFStringCreateWithCString(NULL, inCString, inCStringEncoding)), mWillRelease(inWillRelease) {}
  69                                         ~CACFString() { Release(); }
  70                                         CACFString(const CACFString& inString) : mCFString(inString.mCFString), mWillRelease(inString.mWillRelease) { Retain(); }
  71         CACFString&             operator=(const CACFString& inString) { Release(); mCFString = inString.mCFString; mWillRelease = inString.mWillRelease; Retain(); return *this; }
  72         CACFString&             operator=(CFStringRef inCFString) { Release(); mCFString = inCFString; mWillRelease = true; return *this; }
  73
  74 private:
  75         void                    Retain() { if(mWillRelease && (mCFString != NULL)) { CFRetain(mCFString); } }
  76         void                    Release() { if(mWillRelease && (mCFString != NULL)) { CFRelease(mCFString); } }
  77
  78         CFStringRef             mCFString;
  79         bool                    mWillRelease;
  80
  81 //      Operations
  82 public:
  83         void                    AllowRelease() { mWillRelease = true; }
  84         void                    DontAllowRelease() { mWillRelease = false; }
  85         bool                    IsValid() const { return mCFString != NULL; }
  86         bool                    StartsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringHasPrefix(mCFString, inString); } return theAnswer; }
  87         bool                    EndsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringHasSuffix(mCFString, inString); } return theAnswer; }
  88
  89 //      Value Access
  90 public:
  91         CFStringRef             GetCFString() const { return mCFString; }
  92         CFStringRef             CopyCFString() const { if(mCFString != NULL) { CFRetain(mCFString); } return mCFString; }
  93         UInt32                  GetLength() const { UInt32 theAnswer = 0; if(mCFString != NULL) { theAnswer = CFStringGetLength(mCFString); } return theAnswer; }
  94         UInt32                  GetByteLength(CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { UInt32 theAnswer = 0; if(mCFString != NULL) { theAnswer = GetStringByteLength(mCFString, inEncoding); } return theAnswer; }
  95         void                    GetCString(char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { GetCString(mCFString, outString, ioStringSize, inEncoding); }
  96         void                    GetUnicodeString(UInt16* outString, UInt32& ioStringSize) const { GetUnicodeString(mCFString, outString, ioStringSize); }
  97
  98         static UInt32   GetStringByteLength(CFStringRef inCFString, CFStringEncoding inEncoding = kCFStringEncodingUTF8);
  99         static void             GetCString(CFStringRef inCFString, char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8);
 100         static void             GetUnicodeString(CFStringRef inCFString, UInt16* outString, UInt32& ioStringSize);
 101
 102 };
 103
 104 inline bool     operator<(const CACFString& x, const CACFString& y) { return CFStringCompare(x.GetCFString(), y.GetCFString(), 0) == kCFCompareLessThan; }
 105 inline bool     operator==(const CACFString& x, const CACFString& y) { return CFStringCompare(x.GetCFString(), y.GetCFString(), 0) == kCFCompareEqualTo; }
 106 inline bool     operator!=(const CACFString& x, const CACFString& y) { return !(x == y); }
 107 inline bool     operator<=(const CACFString& x, const CACFString& y) { return (x < y) || (x == y); }
 108 inline bool     operator>=(const CACFString& x, const CACFString& y) { return !(x < y); }
 109 inline bool     operator>(const CACFString& x, const CACFString& y) { return !((x < y) || (x == y)); }
 110
 111 //=============================================================================
 112 //      CACFMutableString
 113 //=============================================================================
 114
 115 class   CACFMutableString
 116 {
 117 //      Construction/Destruction
 118 public:
 119                                                 CACFMutableString() : mCFMutableString(NULL), mWillRelease(true) {}
 120                                                 CACFMutableString(CFMutableStringRef inCFMutableString, bool inWillRelease = true) : mCFMutableString(inCFMutableString), mWillRelease(inWillRelease) {}
 121                                                 CACFMutableString(CFStringRef inStringToCopy, bool /*inMakeCopy*/, bool inWillRelease = true) : mCFMutableString(CFStringCreateMutableCopy(NULL, 0, inStringToCopy)), mWillRelease(inWillRelease) {}
 122                                                 CACFMutableString(const char* inCString, bool inWillRelease = true) : mCFMutableString(NULL), mWillRelease(inWillRelease) { CACFString theString(inCString); mCFMutableString = CFStringCreateMutableCopy(NULL, 0, theString.GetCFString()); }
 123                                                 CACFMutableString(const char* inCString, CFStringEncoding inCStringEncoding, bool inWillRelease = true) : mCFMutableString(NULL), mWillRelease(inWillRelease) { CACFString theString(inCString, inCStringEncoding); mCFMutableString = CFStringCreateMutableCopy(NULL, 0, theString.GetCFString()); }
 124                                                 ~CACFMutableString() { Release(); }
 125                                                 CACFMutableString(const CACFMutableString& inString) : mCFMutableString(inString.mCFMutableString), mWillRelease(inString.mWillRelease) { Retain(); }
 126         CACFMutableString       operator=(const CACFMutableString& inString) { Release(); mCFMutableString = inString.mCFMutableString; mWillRelease = inString.mWillRelease; Retain(); return *this; }
 127         CACFMutableString       operator=(CFMutableStringRef inCFMutableString) { Release(); mCFMutableString = inCFMutableString; mWillRelease = true; return *this; }
 128
 129 private:
 130         void                            Retain() { if(mWillRelease && (mCFMutableString != NULL)) { CFRetain(mCFMutableString); } }
 131         void                            Release() { if(mWillRelease && (mCFMutableString != NULL)) { CFRelease(mCFMutableString); } }
 132
 133         CFMutableStringRef      mCFMutableString;
 134         bool                            mWillRelease;
 135
 136 //      Operations
 137 public:
 138         void                            AllowRelease() { mWillRelease = true; }
 139         void                            DontAllowRelease() { mWillRelease = false; }
 140         bool                            IsValid() { return mCFMutableString != NULL; }
 141         bool                            StartsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringHasPrefix(mCFMutableString, inString); } return theAnswer; }
 142         bool                            EndsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringHasSuffix(mCFMutableString, inString); } return theAnswer; }
 143         void                            Append(CFStringRef inString) { if(mCFMutableString != NULL) { CFStringAppend(mCFMutableString, inString); } }
 144
 145 //      Value Access
 146 public:
 147         CFMutableStringRef      GetCFMutableString() const { return mCFMutableString; }
 148         CFMutableStringRef      CopyCFMutableString() const { if(mCFMutableString != NULL) { CFRetain(mCFMutableString); } return mCFMutableString; }
 149         UInt32                          GetLength() const { UInt32 theAnswer = 0; if(mCFMutableString != NULL) { theAnswer = CFStringGetLength(mCFMutableString); } return theAnswer; }
 150         UInt32                          GetByteLength(CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { UInt32 theAnswer = 0; if(mCFMutableString != NULL) { theAnswer = CACFString::GetStringByteLength(mCFMutableString, inEncoding); } return theAnswer; }
 151         void                            GetCString(char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { CACFString::GetCString(mCFMutableString, outString, ioStringSize, inEncoding); }
 152         void                            GetUnicodeString(UInt16* outString, UInt32& ioStringSize) const { CACFString::GetUnicodeString(mCFMutableString, outString, ioStringSize); }
 153
 154 };
 155
 156 #endif