cfwrappers.cpp
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #pragma once
- #if defined(_CARBON) || defined(_MAC_UNIX)
- #include "platform/mac/cfwrappers.h"
- #include "hxassert.h"
- //------------------------------------------------------------
- //
- // CHXCFString
- //
- //------------------------------------------------------------
- // Constructors
- CHXCFString::CHXCFString(void) : mCFStringRef(NULL)
- {
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(CFStringRef cfs)
- {
- mCFStringRef = cfs;
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(const CHXCFString& othercfs)
- {
- mCFStringRef = othercfs.mCFStringRef;
-
- CFRetain(mCFStringRef); // since he'll release it and we'll release it
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(const char *pCString, CFStringEncoding encoding)
- {
- mCFStringRef = CFStringCreateWithCString(kCFAllocatorDefault, pCString, encoding);
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(const char *pCString)
- {
- mCFStringRef = CFStringCreateWithCString(kCFAllocatorDefault, pCString, CFStringGetSystemEncoding());
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(const CHXString &str)
- {
- mCFStringRef = CFStringCreateWithCString(kCFAllocatorDefault, (const char *) str, CFStringGetSystemEncoding());
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(ConstStr255Param pPString)
- {
- mCFStringRef = CFStringCreateWithPascalString(kCFAllocatorDefault, pPString, CFStringGetSystemEncoding());
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(const UInt16* pUniChars, INT32 numChars)
- {
- mCFStringRef = CFStringCreateWithCharacters(kCFAllocatorDefault, pUniChars, numChars);
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
- }
- CHXCFString::CHXCFString(CFURLRef urlRef)
- {
- mCFStringRef = NULL;
-
- SetToCFURL(urlRef);
- }
- CHXCFString::CHXCFString(const HFSUniStr255& hfsUni)
- {
- mCFStringRef = CFStringCreateWithCharacters(kCFAllocatorDefault,
- hfsUni.unicode, hfsUni.length);
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
- }
- // Type cast operators
- CHXCFString::operator HFSUniStr255(void) const
- {
- HFSUniStr255 hfsUni;
- CFIndex cfLength;
-
- cfLength = CFStringGetLength(mCFStringRef);
- if (cfLength <= 255)
- {
- hfsUni.length = cfLength;
-
- CFStringGetCharacters(mCFStringRef, CFRangeMake(0, cfLength), hfsUni.unicode);
- }
- else
- {
- hfsUni.length = 0;
- }
-
- return hfsUni;
- }
- // Assignment operators
- const CHXCFString& CHXCFString::operator =(const char *pCString)
- {
- ReleaseCFString();
-
- mCFStringRef = CFStringCreateWithCString(kCFAllocatorDefault, pCString, CFStringGetSystemEncoding());
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
-
- return *this;
- }
- const CHXCFString& CHXCFString::operator =(const CHXString& str)
- {
- ReleaseCFString();
-
- mCFStringRef = CFStringCreateWithCString(kCFAllocatorDefault, (const char *) str, CFStringGetSystemEncoding());
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
-
- return *this;
- }
- const CHXCFString& CHXCFString::operator =(CFStringRef cfs)
- {
- ReleaseCFString();
-
- mCFStringRef = cfs; // note we're NOT doing an additional retain, since these usually are returned by toolbox calls
- UpdateDebugOnlyString();
-
- return *this;
- }
- const CHXCFString& CHXCFString::operator =(const CHXCFString& othercfs)
- {
- ReleaseCFString();
-
- mCFStringRef = othercfs.mCFStringRef;
-
- CFRetain(mCFStringRef); // since he'll release it and we'll release it
- UpdateDebugOnlyString();
-
- return *this;
- }
- const CHXCFString& CHXCFString::operator =(CFURLRef urlRef)
- {
- SetToCFURL(urlRef);
-
- return *this;
- }
- const CHXCFString& CHXCFString::operator =(const HFSUniStr255& hfsUni)
- {
- ReleaseCFString();
-
- mCFStringRef = CFStringCreateWithCharacters(kCFAllocatorDefault,
- hfsUni.unicode, hfsUni.length);
- check_nonnull(mCFStringRef);
-
- UpdateDebugOnlyString();
-
- return *this;
- }
- // Destructor
- CHXCFString::~CHXCFString()
- {
- ReleaseCFString();
- }
- // Internal utilities
- void CHXCFString::ReleaseCFString()
- {
- if (mCFStringRef)
- {
- ::CFRelease(mCFStringRef);
- mCFStringRef = NULL;
- }
- }
- void CHXCFString::SetToCFURL(CFURLRef cfURL)
- {
- ReleaseCFString();
-
- CFStringRef tempStringRef;
-
- tempStringRef = ::CFURLGetString(cfURL); // we do NOT release the CFString from CFURLGetString
- if (tempStringRef)
- {
- mCFStringRef = ::CFStringCreateCopy(kCFAllocatorDefault, tempStringRef);
- }
-
- UpdateDebugOnlyString();
- }
- #ifdef _DEBUG
- void CHXCFString::UpdateDebugOnlyString()
- {
- if (mCFStringRef)
- {
- mStrDebugOnly.SetFromCFString(mCFStringRef, CFStringGetSystemEncoding());
- }
- else
- {
- mStrDebugOnly.Empty();
- }
- pStrDebugOnlyPeek = (const char *) mStrDebugOnly;
- }
- #endif // _DEBUG
- #pragma mark -
- //------------------------------------------------------------
- //
- // CHXCFURL
- //
- //------------------------------------------------------------
- // Constructors
- CHXCFURL::CHXCFURL(void) : mCFURLRef(NULL)
- {
- UpdateDebugOnlyString();
- }
- CHXCFURL::CHXCFURL(const char *pCString)
- {
- mCFURLRef = NULL;
-
- SetToString(pCString);
- }
- CHXCFURL::CHXCFURL(const CHXString& str)
- {
- mCFURLRef = NULL;
-
- SetToString((const char *) str);
- }
- CHXCFURL::CHXCFURL(const FSRef& fsRef)
- {
- mCFURLRef = NULL;
-
- SetToFSRef(fsRef);
- }
- CHXCFURL::CHXCFURL(const FSRef* fsRef)
- {
- mCFURLRef = NULL;
-
- SetToFSRef(*fsRef);
- }
- CHXCFURL::CHXCFURL(CFURLRef urlRef)
- {
- mCFURLRef = urlRef; // note we're NOT doing an additional retain
- UpdateDebugOnlyString();
- }
- // Assignment operators
- const CHXCFURL& CHXCFURL::operator =(const char *pCString)
- {
- SetToString(pCString);
-
- return *this;
- }
- const CHXCFURL& CHXCFURL::operator =(const CHXString& str)
- {
- SetToString((const char *) str);
-
- return *this;
- }
- const CHXCFURL& CHXCFURL::operator =(const FSRef& fsRef)
- {
- SetToFSRef(fsRef);
-
- return *this;
- }
- const CHXCFURL& CHXCFURL::operator =(const FSRef* fsRef)
- {
- SetToFSRef(*fsRef);
-
- return *this;
- }
- const CHXCFURL& CHXCFURL::operator =(CFURLRef urlRef)
- {
- ReleaseCFURL();
-
- mCFURLRef = urlRef; // note we're NOT doing an additional retain
- UpdateDebugOnlyString();
-
- return *this;
- }
- const CHXCFURL& CHXCFURL::operator =(const CHXCFURL& othercfurl)
- {
- ReleaseCFURL();
-
- mCFURLRef = othercfurl.mCFURLRef; // note we're retaining since he'll release it and we'll release it
- CFRetain(mCFURLRef);
- UpdateDebugOnlyString();
-
- return *this;
- }
- // Destructor
- CHXCFURL::~CHXCFURL()
- {
- ReleaseCFURL();
- }
- // Internal utilities
- void CHXCFURL::SetToString(const char *pCString)
- {
- const CFURLRef kNoBaseURL = NULL;
-
- ReleaseCFURL();
-
- // make a CFString then a CFURL from which we can get an FSRef
- CHXCFString cfstr(pCString, kCFStringEncodingUTF8);
-
- require(cfstr.IsSet(), CantMakeCFString);
-
- mCFURLRef = ::CFURLCreateWithString(kCFAllocatorDefault, cfstr, kNoBaseURL);
- if (mCFURLRef == NULL)
- {
- // failed; CFURL seems unable to deal with parameters, so try
- // stripping those and trying again
- CHXString strURL = pCString;
- int paramOffset = strURL.Find('?');
- if (paramOffset != -1)
- {
- CHXCFString cfstr2((const char *) strURL.Left(paramOffset), kCFStringEncodingUTF8);
- mCFURLRef = ::CFURLCreateWithString(kCFAllocatorDefault, cfstr2, kNoBaseURL);
- }
- }
-
- UpdateDebugOnlyString();
- CantMakeCFString:
- return;
- }
- void CHXCFURL::SetToFSRef(const FSRef& fsRef)
- {
- ReleaseCFURL();
-
- mCFURLRef = ::CFURLCreateFromFSRef(kCFAllocatorDefault, &fsRef);
-
- UpdateDebugOnlyString();
- return;
- }
- void CHXCFURL::ReleaseCFURL()
- {
- if (mCFURLRef)
- {
- ::CFRelease(mCFURLRef);
- mCFURLRef = NULL;
- }
-
- UpdateDebugOnlyString();
- }
- #ifdef _DEBUG
- void CHXCFURL::UpdateDebugOnlyString()
- {
- if (mCFURLRef)
- {
- mStrDebugOnly = ::CFURLGetString(mCFURLRef); // we do NOT release the CFString from CFURLGetString
- }
- else
- {
- mStrDebugOnly.Empty();
- }
- pStrDebugOnlyPeek = (const char *) mStrDebugOnly;
- }
- #endif // _DEBUG
- #endif // _CARBON