111 lines
4.1 KiB
C++
111 lines
4.1 KiB
C++
/*
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File: CACFString.cpp
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Abstract: CACFString.h
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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"Apple Software"), to use, reproduce, modify and redistribute the Apple
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Software, with or without modifications, in source and/or binary forms;
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provided that if you redistribute the Apple Software in its entirety and
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without modifications, you must retain this notice and the following
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text and disclaimers in all such redistributions of the Apple Software.
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Neither the name, trademarks, service marks or logos of Apple Inc. may
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be used to endorse or promote products derived from the Apple Software
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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
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
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MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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//=============================================================================
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// Includes
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//=============================================================================
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#include "CACFString.h"
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//=============================================================================
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// CACFString
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//=============================================================================
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UInt32 CACFString::GetStringByteLength(CFStringRef inCFString, CFStringEncoding inEncoding)
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{
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CFIndex theAnswer = 0;
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if(inCFString != NULL)
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{
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CFRange theRange = { 0, CFStringGetLength(inCFString) };
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CFStringGetBytes(inCFString, theRange, inEncoding, 0, false, NULL, 0x7FFFFFFF, &theAnswer);
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}
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return UInt32(theAnswer);
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}
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void CACFString::GetCString(CFStringRef inCFString, char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding)
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{
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if(ioStringSize > 0)
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{
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if(inCFString != NULL)
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{
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CFIndex theLength = 0;
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CFRange theRange = { 0, CFStringGetLength(inCFString) };
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CFStringGetBytes(inCFString, theRange, inEncoding, 0, false, (UInt8*)outString, static_cast<CFIndex>(ioStringSize - 1), &theLength);
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outString[theLength] = 0;
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ioStringSize = ToUInt32(theLength) + 1;
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}
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else
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{
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outString[0] = 0;
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ioStringSize = 1;
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}
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}
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}
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void CACFString::GetUnicodeString(CFStringRef inCFString, UInt16* outString, UInt32& ioStringSize)
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{
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if(ioStringSize > 0)
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{
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if(inCFString != NULL)
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{
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CFRange theStringRange = { 0, CFStringGetLength(inCFString) };
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if(static_cast<UInt32>(theStringRange.length) > ioStringSize)
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{
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theStringRange.length = static_cast<CFIndex>(ioStringSize);
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}
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CFStringGetCharacters(inCFString, theStringRange, outString);
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ioStringSize = ToUInt32(theStringRange.length);
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}
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else
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{
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outString[0] = 0;
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ioStringSize = 0;
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}
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}
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}
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