BackgroundMusic/BGMApp/PublicUtility/CACFString.h
2016-02-19 16:25:34 +11:00

196 lines
14 KiB
C++

/*
File: CACFString.h
Abstract: Part of CoreAudio Utility Classes
Version: 1.1
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*/
#if !defined(__CACFString_h__)
#define __CACFString_h__
//=============================================================================
// Includes
//=============================================================================
#include "CADebugMacros.h"
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
#include <CoreAudio/CoreAudioTypes.h>
#include <CoreFoundation/CFString.h>
#else
#include <CoreAudioTypes.h>
#include <CFString.h>
#endif
//=============================================================================
// CACFString
//
// Notes
// - Using the AssignWithoutRetain() method will fool the static analyzer into thinking that the
// CFString being assigned will be leaked. This is because the static analyzer is not smart
// enough to understand that the destructor will release the object.
//=============================================================================
class CACFString
{
// Construction/Destruction
public:
CACFString() : mCFString(NULL), mWillRelease(true) {}
explicit CACFString(CFStringRef inCFString) : mCFString(inCFString), mWillRelease(true) {}
CACFString(const char* inCString) : mCFString(CFStringCreateWithCString(NULL, inCString, kCFStringEncodingASCII)), mWillRelease(true) {}
CACFString(CFStringRef inCFString, bool inWillRelease) : mCFString(inCFString), mWillRelease(inWillRelease) {}
CACFString(const char* inCString, bool inWillRelease) : mCFString(CFStringCreateWithCString(NULL, inCString, kCFStringEncodingASCII)), mWillRelease(inWillRelease) {}
CACFString(const char* inCString, CFStringEncoding inCStringEncoding, bool inWillRelease = true) : mCFString(CFStringCreateWithCString(NULL, inCString, inCStringEncoding)), mWillRelease(inWillRelease) {}
~CACFString() { Release(); }
CACFString(const CACFString& inString) : mCFString(inString.mCFString), mWillRelease(inString.mWillRelease) { Retain(); }
CACFString& operator=(const CACFString& inString) { if (inString.mCFString != mCFString) { Release(); mCFString = inString.mCFString; mWillRelease = inString.mWillRelease; Retain(); } return *this; }
CACFString& operator=(CFStringRef inCFString) { if (inCFString != mCFString) { Release(); mCFString = inCFString; } mWillRelease = true; Retain(); return *this; }
void AssignWithoutRetain(CFStringRef inCFString) { if (inCFString != mCFString) { Release(); mCFString = inCFString; } mWillRelease = true; }
private:
void Retain() { if(mWillRelease && (mCFString != NULL)) { CFRetain(mCFString); } }
void Release() { if(mWillRelease && (mCFString != NULL)) { CFRelease(mCFString); } }
CFStringRef mCFString;
bool mWillRelease;
// Operations
public:
void AllowRelease() { mWillRelease = true; }
void DontAllowRelease() { mWillRelease = false; }
bool IsValid() const { return mCFString != NULL; }
bool IsEqualTo(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringCompare(inString, mCFString, 0) == kCFCompareEqualTo; } return theAnswer; }
bool StartsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringHasPrefix(mCFString, inString); } return theAnswer; }
bool EndsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringHasSuffix(mCFString, inString); } return theAnswer; }
// Value Access
public:
CFStringRef GetCFString() const { return mCFString; }
CFStringRef CopyCFString() const { if(mCFString != NULL) { CFRetain(mCFString); } return mCFString; }
const CFStringRef* GetPointerToStorage() const { return &mCFString; }
CFStringRef& GetStorage() { Release(); mWillRelease = true; return mCFString; }
UInt32 GetLength() const { UInt32 theAnswer = 0; if(mCFString != NULL) { theAnswer = ToUInt32(CFStringGetLength(mCFString)); } return theAnswer; }
UInt32 GetByteLength(CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { UInt32 theAnswer = 0; if(mCFString != NULL) { theAnswer = GetStringByteLength(mCFString, inEncoding); } return theAnswer; }
void GetCString(char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { GetCString(mCFString, outString, ioStringSize, inEncoding); }
void GetUnicodeString(UInt16* outString, UInt32& ioStringSize) const { GetUnicodeString(mCFString, outString, ioStringSize); }
SInt32 GetAsInteger() { return GetAsInteger(mCFString); }
Float64 GetAsFloat64() { return GetAsFloat64(mCFString); }
static UInt32 GetStringLength(CFStringRef inCFString) { UInt32 theAnswer = 0; if(inCFString != NULL) { theAnswer = ToUInt32(CFStringGetLength(inCFString)); } return theAnswer; }
static UInt32 GetStringByteLength(CFStringRef inCFString, CFStringEncoding inEncoding = kCFStringEncodingUTF8);
static void GetCString(CFStringRef inCFString, char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8);
static void GetUnicodeString(CFStringRef inCFString, UInt16* outString, UInt32& ioStringSize);
static SInt32 GetAsInteger(CFStringRef inCFString) { SInt32 theAnswer = 0; if(inCFString != NULL){ theAnswer = CFStringGetIntValue(inCFString); } return theAnswer; }
static Float64 GetAsFloat64(CFStringRef inCFString) { Float64 theAnswer = 0; if(inCFString != NULL){ theAnswer = CFStringGetDoubleValue(inCFString); } return theAnswer; }
};
inline bool operator<(const CACFString& x, const CACFString& y) { return CFStringCompare(x.GetCFString(), y.GetCFString(), 0) == kCFCompareLessThan; }
inline bool operator==(const CACFString& x, const CACFString& y) { return CFStringCompare(x.GetCFString(), y.GetCFString(), 0) == kCFCompareEqualTo; }
inline bool operator!=(const CACFString& x, const CACFString& y) { return !(x == y); }
inline bool operator<=(const CACFString& x, const CACFString& y) { return (x < y) || (x == y); }
inline bool operator>=(const CACFString& x, const CACFString& y) { return !(x < y); }
inline bool operator>(const CACFString& x, const CACFString& y) { return !((x < y) || (x == y)); }
inline bool operator<(const CACFString& x, CFStringRef y) { return CFStringCompare(x.GetCFString(), y, 0) == kCFCompareLessThan; }
inline bool operator==(const CACFString& x, CFStringRef y) { return CFStringCompare(x.GetCFString(), y, 0) == kCFCompareEqualTo; }
inline bool operator!=(const CACFString& x, CFStringRef y) { return !(x == y); }
inline bool operator<=(const CACFString& x, CFStringRef y) { return (x < y) || (x == y); }
inline bool operator>=(const CACFString& x, CFStringRef y) { return !(x < y); }
inline bool operator>(const CACFString& x, CFStringRef y) { return !((x < y) || (x == y)); }
inline bool operator<(CFStringRef x, const CACFString& y) { return CFStringCompare(x, y.GetCFString(), 0) == kCFCompareLessThan; }
inline bool operator==(CFStringRef x, const CACFString& y) { return CFStringCompare(x, y.GetCFString(), 0) == kCFCompareEqualTo; }
inline bool operator!=(CFStringRef x, const CACFString& y) { return !(x == y); }
inline bool operator<=(CFStringRef x, const CACFString& y) { return (x < y) || (x == y); }
inline bool operator>=(CFStringRef x, const CACFString& y) { return !(x < y); }
inline bool operator>(CFStringRef x, const CACFString& y) { return !((x < y) || (x == y)); }
//=============================================================================
// CACFMutableString
//=============================================================================
class CACFMutableString
{
// Construction/Destruction
public:
CACFMutableString() : mCFMutableString(NULL), mWillRelease(true) {}
CACFMutableString(CFMutableStringRef inCFMutableString, bool inWillRelease = true) : mCFMutableString(inCFMutableString), mWillRelease(inWillRelease) {}
CACFMutableString(CFStringRef inStringToCopy, bool /*inMakeCopy*/, bool inWillRelease = true) : mCFMutableString(CFStringCreateMutableCopy(NULL, 0, inStringToCopy)), mWillRelease(inWillRelease) {}
CACFMutableString(const char* inCString, bool inWillRelease = true) : mCFMutableString(NULL), mWillRelease(inWillRelease) { CACFString theString(inCString); mCFMutableString = CFStringCreateMutableCopy(NULL, 0, theString.GetCFString()); }
CACFMutableString(const char* inCString, CFStringEncoding inCStringEncoding, bool inWillRelease = true) : mCFMutableString(NULL), mWillRelease(inWillRelease) { CACFString theString(inCString, inCStringEncoding); mCFMutableString = CFStringCreateMutableCopy(NULL, 0, theString.GetCFString()); }
~CACFMutableString() { Release(); }
CACFMutableString(const CACFMutableString& inString) : mCFMutableString(inString.mCFMutableString), mWillRelease(inString.mWillRelease) { Retain(); }
CACFMutableString& operator=(const CACFMutableString& inString) { Release(); mCFMutableString = inString.mCFMutableString; mWillRelease = inString.mWillRelease; Retain(); return *this; }
CACFMutableString& operator=(CFMutableStringRef inCFMutableString) { Release(); mCFMutableString = inCFMutableString; mWillRelease = true; return *this; }
private:
void Retain() { if(mWillRelease && (mCFMutableString != NULL)) { CFRetain(mCFMutableString); } }
void Release() { if(mWillRelease && (mCFMutableString != NULL)) { CFRelease(mCFMutableString); } }
CFMutableStringRef mCFMutableString;
bool mWillRelease;
// Operations
public:
void AllowRelease() { mWillRelease = true; }
void DontAllowRelease() { mWillRelease = false; }
bool IsValid() { return mCFMutableString != NULL; }
bool IsEqualTo(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringCompare(inString, mCFMutableString, 0) == kCFCompareEqualTo; } return theAnswer; }
bool StartsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringHasPrefix(mCFMutableString, inString); } return theAnswer; }
bool EndsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringHasSuffix(mCFMutableString, inString); } return theAnswer; }
void Append(CFStringRef inString) { if(mCFMutableString != NULL) { CFStringAppend(mCFMutableString, inString); } }
// Value Access
public:
CFMutableStringRef GetCFMutableString() const { return mCFMutableString; }
CFMutableStringRef CopyCFMutableString() const { if(mCFMutableString != NULL) { CFRetain(mCFMutableString); } return mCFMutableString; }
UInt32 GetLength() const { UInt32 theAnswer = 0; if(mCFMutableString != NULL) { theAnswer = ToUInt32(CFStringGetLength(mCFMutableString)); } return theAnswer; }
UInt32 GetByteLength(CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { UInt32 theAnswer = 0; if(mCFMutableString != NULL) { theAnswer = CACFString::GetStringByteLength(mCFMutableString, inEncoding); } return theAnswer; }
void GetCString(char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { CACFString::GetCString(mCFMutableString, outString, ioStringSize, inEncoding); }
void GetUnicodeString(UInt16* outString, UInt32& ioStringSize) const { CACFString::GetUnicodeString(mCFMutableString, outString, ioStringSize); }
SInt32 GetAsInteger() { return CACFString::GetAsInteger(mCFMutableString); }
Float64 GetAsFloat64() { return CACFString::GetAsFloat64(mCFMutableString); }
};
#endif