3 Abstract: Part of CoreAudio Utility Classes
6 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
7 Inc. ("Apple") in consideration of your agreement to the following
8 terms, and your use, installation, modification or redistribution of
9 this Apple software constitutes acceptance of these terms. If you do
10 not agree with these terms, please do not use, install, modify or
11 redistribute this Apple software.
13 In consideration of your agreement to abide by the following terms, and
14 subject to these terms, Apple grants you a personal, non-exclusive
15 license, under Apple's copyrights in this original Apple software (the
16 "Apple Software"), to use, reproduce, modify and redistribute the Apple
17 Software, with or without modifications, in source and/or binary forms;
18 provided that if you redistribute the Apple Software in its entirety and
19 without modifications, you must retain this notice and the following
20 text and disclaimers in all such redistributions of the Apple Software.
21 Neither the name, trademarks, service marks or logos of Apple Inc. may
22 be used to endorse or promote products derived from the Apple Software
23 without specific prior written permission from Apple. Except as
24 expressly stated in this notice, no other rights or licenses, express or
25 implied, are granted by Apple herein, including but not limited to any
26 patent rights that may be infringed by your derivative works or by other
27 works in which the Apple Software may be incorporated.
29 The Apple Software is provided by Apple on an "AS IS" basis. APPLE
30 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
31 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
32 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
33 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
35 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
36 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
39 MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
40 AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
41 STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
42 POSSIBILITY OF SUCH DAMAGE.
44 Copyright (C) 2014 Apple Inc. All Rights Reserved.
47 #if !defined(__CACFString_h__)
48 #define __CACFString_h__
50 //=============================================================================
52 //=============================================================================
54 #include "CADebugMacros.h"
56 #if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
57 #include <CoreAudio/CoreAudioTypes.h>
58 #include <CoreFoundation/CFString.h>
60 #include <CoreAudioTypes.h>
64 //=============================================================================
68 // - Using the AssignWithoutRetain() method will fool the static analyzer into thinking that the
69 // CFString being assigned will be leaked. This is because the static analyzer is not smart
70 // enough to understand that the destructor will release the object.
71 //=============================================================================
75 // Construction/Destruction
77 CACFString() : mCFString(NULL), mWillRelease(true) {}
78 explicit CACFString(CFStringRef inCFString) : mCFString(inCFString), mWillRelease(true) {}
79 CACFString(const char* inCString) : mCFString(CFStringCreateWithCString(NULL, inCString, kCFStringEncodingASCII)), mWillRelease(true) {}
80 CACFString(CFStringRef inCFString, bool inWillRelease) : mCFString(inCFString), mWillRelease(inWillRelease) {}
81 CACFString(const char* inCString, bool inWillRelease) : mCFString(CFStringCreateWithCString(NULL, inCString, kCFStringEncodingASCII)), mWillRelease(inWillRelease) {}
82 CACFString(const char* inCString, CFStringEncoding inCStringEncoding, bool inWillRelease = true) : mCFString(CFStringCreateWithCString(NULL, inCString, inCStringEncoding)), mWillRelease(inWillRelease) {}
83 ~CACFString() { Release(); }
84 CACFString(const CACFString& inString) : mCFString(inString.mCFString), mWillRelease(inString.mWillRelease) { Retain(); }
85 CACFString& operator=(const CACFString& inString) { if (inString.mCFString != mCFString) { Release(); mCFString = inString.mCFString; mWillRelease = inString.mWillRelease; Retain(); } return *this; }
86 CACFString& operator=(CFStringRef inCFString) { if (inCFString != mCFString) { Release(); mCFString = inCFString; } mWillRelease = true; Retain(); return *this; }
87 void AssignWithoutRetain(CFStringRef inCFString) { if (inCFString != mCFString) { Release(); mCFString = inCFString; } mWillRelease = true; }
90 void Retain() { if(mWillRelease && (mCFString != NULL)) { CFRetain(mCFString); } }
91 void Release() { if(mWillRelease && (mCFString != NULL)) { CFRelease(mCFString); } }
93 CFStringRef mCFString;
98 void AllowRelease() { mWillRelease = true; }
99 void DontAllowRelease() { mWillRelease = false; }
100 bool IsValid() const { return mCFString != NULL; }
101 bool IsEqualTo(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringCompare(inString, mCFString, 0) == kCFCompareEqualTo; } return theAnswer; }
102 bool StartsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringHasPrefix(mCFString, inString); } return theAnswer; }
103 bool EndsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFString != NULL) { theAnswer = CFStringHasSuffix(mCFString, inString); } return theAnswer; }
107 CFStringRef GetCFString() const { return mCFString; }
108 CFStringRef CopyCFString() const { if(mCFString != NULL) { CFRetain(mCFString); } return mCFString; }
109 const CFStringRef* GetPointerToStorage() const { return &mCFString; }
110 CFStringRef& GetStorage() { Release(); mWillRelease = true; return mCFString; }
111 UInt32 GetLength() const { UInt32 theAnswer = 0; if(mCFString != NULL) { theAnswer = ToUInt32(CFStringGetLength(mCFString)); } return theAnswer; }
112 UInt32 GetByteLength(CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { UInt32 theAnswer = 0; if(mCFString != NULL) { theAnswer = GetStringByteLength(mCFString, inEncoding); } return theAnswer; }
113 void GetCString(char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { GetCString(mCFString, outString, ioStringSize, inEncoding); }
114 void GetUnicodeString(UInt16* outString, UInt32& ioStringSize) const { GetUnicodeString(mCFString, outString, ioStringSize); }
115 SInt32 GetAsInteger() { return GetAsInteger(mCFString); }
116 Float64 GetAsFloat64() { return GetAsFloat64(mCFString); }
118 static UInt32 GetStringLength(CFStringRef inCFString) { UInt32 theAnswer = 0; if(inCFString != NULL) { theAnswer = ToUInt32(CFStringGetLength(inCFString)); } return theAnswer; }
119 static UInt32 GetStringByteLength(CFStringRef inCFString, CFStringEncoding inEncoding = kCFStringEncodingUTF8);
120 static void GetCString(CFStringRef inCFString, char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8);
121 static void GetUnicodeString(CFStringRef inCFString, UInt16* outString, UInt32& ioStringSize);
122 static SInt32 GetAsInteger(CFStringRef inCFString) { SInt32 theAnswer = 0; if(inCFString != NULL){ theAnswer = CFStringGetIntValue(inCFString); } return theAnswer; }
123 static Float64 GetAsFloat64(CFStringRef inCFString) { Float64 theAnswer = 0; if(inCFString != NULL){ theAnswer = CFStringGetDoubleValue(inCFString); } return theAnswer; }
127 inline bool operator<(const CACFString& x, const CACFString& y) { return CFStringCompare(x.GetCFString(), y.GetCFString(), 0) == kCFCompareLessThan; }
128 inline bool operator==(const CACFString& x, const CACFString& y) { return CFStringCompare(x.GetCFString(), y.GetCFString(), 0) == kCFCompareEqualTo; }
129 inline bool operator!=(const CACFString& x, const CACFString& y) { return !(x == y); }
130 inline bool operator<=(const CACFString& x, const CACFString& y) { return (x < y) || (x == y); }
131 inline bool operator>=(const CACFString& x, const CACFString& y) { return !(x < y); }
132 inline bool operator>(const CACFString& x, const CACFString& y) { return !((x < y) || (x == y)); }
134 inline bool operator<(const CACFString& x, CFStringRef y) { return CFStringCompare(x.GetCFString(), y, 0) == kCFCompareLessThan; }
135 inline bool operator==(const CACFString& x, CFStringRef y) { return CFStringCompare(x.GetCFString(), y, 0) == kCFCompareEqualTo; }
136 inline bool operator!=(const CACFString& x, CFStringRef y) { return !(x == y); }
137 inline bool operator<=(const CACFString& x, CFStringRef y) { return (x < y) || (x == y); }
138 inline bool operator>=(const CACFString& x, CFStringRef y) { return !(x < y); }
139 inline bool operator>(const CACFString& x, CFStringRef y) { return !((x < y) || (x == y)); }
141 inline bool operator<(CFStringRef x, const CACFString& y) { return CFStringCompare(x, y.GetCFString(), 0) == kCFCompareLessThan; }
142 inline bool operator==(CFStringRef x, const CACFString& y) { return CFStringCompare(x, y.GetCFString(), 0) == kCFCompareEqualTo; }
143 inline bool operator!=(CFStringRef x, const CACFString& y) { return !(x == y); }
144 inline bool operator<=(CFStringRef x, const CACFString& y) { return (x < y) || (x == y); }
145 inline bool operator>=(CFStringRef x, const CACFString& y) { return !(x < y); }
146 inline bool operator>(CFStringRef x, const CACFString& y) { return !((x < y) || (x == y)); }
148 //=============================================================================
150 //=============================================================================
152 class CACFMutableString
154 // Construction/Destruction
156 CACFMutableString() : mCFMutableString(NULL), mWillRelease(true) {}
157 CACFMutableString(CFMutableStringRef inCFMutableString, bool inWillRelease = true) : mCFMutableString(inCFMutableString), mWillRelease(inWillRelease) {}
158 CACFMutableString(CFStringRef inStringToCopy, bool /*inMakeCopy*/, bool inWillRelease = true) : mCFMutableString(CFStringCreateMutableCopy(NULL, 0, inStringToCopy)), mWillRelease(inWillRelease) {}
159 CACFMutableString(const char* inCString, bool inWillRelease = true) : mCFMutableString(NULL), mWillRelease(inWillRelease) { CACFString theString(inCString); mCFMutableString = CFStringCreateMutableCopy(NULL, 0, theString.GetCFString()); }
160 CACFMutableString(const char* inCString, CFStringEncoding inCStringEncoding, bool inWillRelease = true) : mCFMutableString(NULL), mWillRelease(inWillRelease) { CACFString theString(inCString, inCStringEncoding); mCFMutableString = CFStringCreateMutableCopy(NULL, 0, theString.GetCFString()); }
161 ~CACFMutableString() { Release(); }
162 CACFMutableString(const CACFMutableString& inString) : mCFMutableString(inString.mCFMutableString), mWillRelease(inString.mWillRelease) { Retain(); }
163 CACFMutableString& operator=(const CACFMutableString& inString) { Release(); mCFMutableString = inString.mCFMutableString; mWillRelease = inString.mWillRelease; Retain(); return *this; }
164 CACFMutableString& operator=(CFMutableStringRef inCFMutableString) { Release(); mCFMutableString = inCFMutableString; mWillRelease = true; return *this; }
167 void Retain() { if(mWillRelease && (mCFMutableString != NULL)) { CFRetain(mCFMutableString); } }
168 void Release() { if(mWillRelease && (mCFMutableString != NULL)) { CFRelease(mCFMutableString); } }
170 CFMutableStringRef mCFMutableString;
175 void AllowRelease() { mWillRelease = true; }
176 void DontAllowRelease() { mWillRelease = false; }
177 bool IsValid() { return mCFMutableString != NULL; }
178 bool IsEqualTo(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringCompare(inString, mCFMutableString, 0) == kCFCompareEqualTo; } return theAnswer; }
179 bool StartsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringHasPrefix(mCFMutableString, inString); } return theAnswer; }
180 bool EndsWith(CFStringRef inString) const { bool theAnswer = false; if(mCFMutableString != NULL) { theAnswer = CFStringHasSuffix(mCFMutableString, inString); } return theAnswer; }
181 void Append(CFStringRef inString) { if(mCFMutableString != NULL) { CFStringAppend(mCFMutableString, inString); } }
185 CFMutableStringRef GetCFMutableString() const { return mCFMutableString; }
186 CFMutableStringRef CopyCFMutableString() const { if(mCFMutableString != NULL) { CFRetain(mCFMutableString); } return mCFMutableString; }
187 UInt32 GetLength() const { UInt32 theAnswer = 0; if(mCFMutableString != NULL) { theAnswer = ToUInt32(CFStringGetLength(mCFMutableString)); } return theAnswer; }
188 UInt32 GetByteLength(CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { UInt32 theAnswer = 0; if(mCFMutableString != NULL) { theAnswer = CACFString::GetStringByteLength(mCFMutableString, inEncoding); } return theAnswer; }
189 void GetCString(char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding = kCFStringEncodingUTF8) const { CACFString::GetCString(mCFMutableString, outString, ioStringSize, inEncoding); }
190 void GetUnicodeString(UInt16* outString, UInt32& ioStringSize) const { CACFString::GetUnicodeString(mCFMutableString, outString, ioStringSize); }
191 SInt32 GetAsInteger() { return CACFString::GetAsInteger(mCFMutableString); }
192 Float64 GetAsFloat64() { return CACFString::GetAsFloat64(mCFMutableString); }