C++ CFStringGetCharacters函数代码示例

CFComparisonResult
CFStringCompareWithOptionsAndLocale (CFStringRef str1,
  CFStringRef str2, CFRange rangeToCompare,
  CFStringCompareFlags compareOptions, CFLocaleRef locale)
{
  CFComparisonResult ret;
  UniChar *string1;
  UniChar *string2;
  CFIndex length1;
  CFIndex length2;
  CFAllocatorRef alloc;
  UCollator *ucol;
  
  alloc = CFAllocatorGetDefault ();
  
  length1 = rangeToCompare.length;
  string1 = CFAllocatorAllocate (alloc, (length1) * sizeof(UniChar), 0);
  CFStringGetCharacters (str1, rangeToCompare, string1);
  
  length2 = CFStringGetLength (str2);
  string2 = CFAllocatorAllocate (alloc, (length2) * sizeof(UniChar), 0);
  CFStringGetCharacters (str2, CFRangeMake(0, length2), string2);
  
  ucol = CFStringICUCollatorOpen (compareOptions, locale);
  ret = ucol_strcoll (ucol, string2, length2, string1, length1);
  CFStringICUCollatorClose (ucol);
  
  CFAllocatorDeallocate (alloc, string1);
  CFAllocatorDeallocate (alloc, string2);
  return ret;
}

CF_PRIVATE UCalendar *__CFCalendarCreateUCalendar(CFStringRef calendarID, CFStringRef localeID, CFTimeZoneRef tz) {
    if (calendarID) {
	CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier(kCFAllocatorSystemDefault, localeID);
	CFMutableDictionaryRef mcomponents = CFDictionaryCreateMutableCopy(kCFAllocatorSystemDefault, 0, components);
	CFDictionarySetValue(mcomponents, kCFLocaleCalendarIdentifier, calendarID);
	localeID = CFLocaleCreateLocaleIdentifierFromComponents(kCFAllocatorSystemDefault, mcomponents);
	CFRelease(mcomponents);
	CFRelease(components);
    }

    char buffer[BUFFER_SIZE];
    const char *cstr = CFStringGetCStringPtr(localeID, kCFStringEncodingASCII);
    if (NULL == cstr) {
	if (CFStringGetCString(localeID, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) cstr = buffer;
    }
    if (NULL == cstr) {
	if (calendarID) CFRelease(localeID);
	return NULL;
    }
    
    UChar ubuffer[BUFFER_SIZE];
    CFStringRef tznam = CFTimeZoneGetName(tz);
    CFIndex cnt = CFStringGetLength(tznam);
    if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
    CFStringGetCharacters(tznam, CFRangeMake(0, cnt), (UniChar *)ubuffer);

    UErrorCode status = U_ZERO_ERROR;
    UCalendar *cal = ucal_open(ubuffer, cnt, cstr, UCAL_DEFAULT, &status);
    if (calendarID) CFRelease(localeID);
    return cal;
}

/**************************************************************************
 *              debugstr_cf
 */
const char* debugstr_cf(CFTypeRef t)
{
    CFStringRef s;
    const char* ret;

    if (!t) return "(null)";

    if (CFGetTypeID(t) == CFStringGetTypeID())
        s = t;
    else
        s = CFCopyDescription(t);
    ret = CFStringGetCStringPtr(s, kCFStringEncodingUTF8);
    if (ret) ret = debugstr_a(ret);
    if (!ret)
    {
        const UniChar* u = CFStringGetCharactersPtr(s);
        if (u)
            ret = debugstr_wn((const WCHAR*)u, CFStringGetLength(s));
    }
    if (!ret)
    {
        UniChar buf[200];
        int len = min(CFStringGetLength(s), sizeof(buf)/sizeof(buf[0]));
        CFStringGetCharacters(s, CFRangeMake(0, len), buf);
        ret = debugstr_wn(buf, len);
    }
    if (s != t) CFRelease(s);
    return ret;
}

static jstring getJString(JNIEnv *env, CFStringRef cs) {
    if (cs == NULL) return NULL;
    CFRange range = CFRangeMake(0, CFStringGetLength(cs));
    UniChar *chars = alloca(range.length);
    CFStringGetCharacters(cs, range, chars);
    return (*env)->NewString(env, (jchar *) chars, (jsize) range.length);
}

void ARRAY_TEXT::convertFromUTF8(const CUTF8String* fromString, CUTF16String* toString)	
{
#ifdef _WIN32
	int len = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)fromString->c_str(), fromString->length(), NULL, 0);
	
	if(len){
		std::vector<uint8_t> buf((len + 1) * sizeof(PA_Unichar));
		if(MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)fromString->c_str(), fromString->length(), (LPWSTR)&buf[0], len)){
			*toString = CUTF16String((const PA_Unichar *)&buf[0]);
		}
    }else{
			*toString = CUTF16String((const PA_Unichar *)L"");
	}
           
#else
           CFStringRef str = CFStringCreateWithBytes(kCFAllocatorDefault, fromString->c_str(), fromString->length(), kCFStringEncodingUTF8, true);
           if(str){
               int len = CFStringGetLength(str)+1;
               std::vector<uint8_t> buf(len * sizeof(PA_Unichar));
               CFStringGetCharacters(str, CFRangeMake(0, len), (UniChar *)&buf[0]);
               *toString = CUTF16String((const PA_Unichar *)&buf[0]);
               CFRelease(str);
           }
#endif	
}

static void callback(
        ConstFSEventStreamRef streamRef,
        void *clientCallBackInfo,
        size_t numEvents,
        void *eventPathsVoid,
        const FSEventStreamEventFlags eventFlags[],
        const FSEventStreamEventId eventIds[])
{
    qDebug() << "FolderWatcherPrivate::callback by OS X";

    QStringList paths;
    CFArrayRef eventPaths = (CFArrayRef)eventPathsVoid;
    for (int i = 0; i < numEvents; ++i) {
        CFStringRef path = reinterpret_cast<CFStringRef>(CFArrayGetValueAtIndex(eventPaths, i));

        QString qstring;
        CFIndex pathLength = CFStringGetLength(path);
        qstring.resize(pathLength);
        CFStringGetCharacters(path, CFRangeMake(0, pathLength), reinterpret_cast<UniChar *>(qstring.data()));

        paths.append(qstring);
    }

    reinterpret_cast<FolderWatcherPrivate*>(clientCallBackInfo)->doNotifyParent(paths);
}

static OSStatus FindSNESFolder (FSRef *folderRef, char *folderPath, const char *folderName)
{
	OSStatus	err;
	CFURLRef	burl, purl;
	CFStringRef	fstr;
	FSRef		pref;
	UniChar		buffer[PATH_MAX + 1];
	Boolean		r;

	fstr = CFStringCreateWithCString(kCFAllocatorDefault, folderName, CFStringGetSystemEncoding());
	CFStringGetCharacters(fstr, CFRangeMake(0, CFStringGetLength(fstr)), buffer);

	burl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
	purl = CFURLCreateCopyDeletingLastPathComponent(kCFAllocatorDefault, burl);
	r    = CFURLGetFSRef(purl, &pref);

	err = FSMakeFSRefUnicode(&pref, CFStringGetLength(fstr), buffer, kTextEncodingUnicodeDefault, folderRef);
	if (err == dirNFErr || err == fnfErr)
	{
		err = FSCreateDirectoryUnicode(&pref, CFStringGetLength(fstr), buffer, kFSCatInfoNone, NULL, folderRef, NULL, NULL);
		if (err == noErr)
			AddFolderIcon(folderRef, folderName);
	}

	if (err == noErr)
		err = FSRefMakePath(folderRef, (unsigned char *) folderPath, PATH_MAX);

	CFRelease(purl);
	CFRelease(burl);
	CFRelease(fstr);

	return (err);
}

jstring createJavaString(JNIEnv *env, CFStringRef stringRef)
{
    CFIndex length = CFStringGetLength(stringRef);
    UniChar buffer[length];
    CFStringGetCharacters(stringRef, CFRangeMake(0, length), buffer);
    return (*env)->NewString(env, (jchar *)buffer, length);
}

static const wxUint16* GetEncTable(wxFontEncoding enc)
{
#ifdef __WXMAC__
    if( enc >= wxFONTENCODING_MACMIN && enc <= wxFONTENCODING_MACMAX )
    {
        int i = enc-wxFONTENCODING_MACMIN ;
        if ( gMacEncodingsInited[i] == false )
        {
            // create
            CFStringEncoding cfencoding = wxMacGetSystemEncFromFontEnc( enc ) ;
            if( !CFStringIsEncodingAvailable( cfencoding ) )
                return NULL;

            memset( gMacEncodings[i] , 0 , 128 * 2 );
            char s[2] = { 0 , 0 };
            CFRange firstchar = CFRangeMake( 0, 1 );
            for( unsigned char c = 255 ; c >= 128 ; --c )
            {
                s[0] = c ;
                wxCFStringRef cfref( CFStringCreateWithCStringNoCopy( NULL, s, cfencoding , kCFAllocatorNull ) );
                CFStringGetCharacters( cfref, firstchar, (UniChar*)  &gMacEncodings[i][c-128] );
            }
            gMacEncodingsInited[i]=true;
        }
        return gMacEncodings[i] ;
    }
#endif

    for (int i = 0; encodings_list[i].table != NULL; i++)
    {
        if (encodings_list[i].encoding == enc)
            return encodings_list[i].table;
    }
    return NULL;
}

static bool __CFLocaleICUCurrencyName(const char *locale, const char *value, UCurrNameStyle style, CFStringRef *out) {
    size_t valLen = strlen(value);
    if (valLen != 3) // not a valid ISO code
        return false;
    UChar curr[4];
    UBool isChoice = FALSE;
    int32_t size = 0;
    UErrorCode icuStatus = U_ZERO_ERROR;
    u_charsToUChars(value, curr, (int32_t)valLen);
    curr[valLen] = '\0';
    const UChar *name;
    name = ucurr_getName(curr, locale, style, &isChoice, &size, &icuStatus);
    if (U_FAILURE(icuStatus) || icuStatus == U_USING_DEFAULT_WARNING)
        return false;
    UChar result[kMaxICUNameSize];
    if (isChoice)
    {
        UChar pattern[kMaxICUNameSize];
        CFStringRef patternRef = CFStringCreateWithFormat(kCFAllocatorSystemDefault, NULL, CFSTR("{0,choice,%S}"), name);
        CFIndex pattlen = CFStringGetLength(patternRef);
        CFStringGetCharacters(patternRef, CFRangeMake(0, pattlen), (UniChar *)pattern);
        CFRelease(patternRef);
        pattern[pattlen] = '\0';        // null terminate the pattern
        // Format the message assuming a large amount of the currency
        size = u_formatMessage("en_US", pattern, pattlen, result, kMaxICUNameSize, &icuStatus, 10.0);
        if (U_FAILURE(icuStatus))
            return false;
        name = result;
        
    }
    *out = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (UniChar *)name, size);
    return (*out != NULL);
}

//-------------------------------------------------------------------------------------------------
//	GetVisualName
//-------------------------------------------------------------------------------------------------
//
void GetVisualName( ITUniStr255 name )
{
	CFIndex length = CFStringGetLength( kTVisualPluginName );
    
	name[0] = (UniChar)length;
	CFStringGetCharacters( kTVisualPluginName, CFRangeMake( 0, length ), &name[1] );
}

// Sets up the text based on the specified CFString
//
void UpdateATSUIStuffString(CFStringRef string)
{
    free(gText);
    gLength = CFStringGetLength(string);
    gText = (UniChar *)malloc(gLength * sizeof(UniChar));
    CFStringGetCharacters(string, CFRangeMake(0, gLength), gText);
}

static void assertEqualsAsCharactersPtr(JSValueRef value, const char* expectedValue)
{
    JSStringRef valueAsString = JSValueToStringCopy(context, value, NULL);

    size_t jsLength = JSStringGetLength(valueAsString);
    const JSChar* jsBuffer = JSStringGetCharactersPtr(valueAsString);

    CFStringRef expectedValueAsCFString = CFStringCreateWithCString(kCFAllocatorDefault, 
                                                                    expectedValue,
                                                                    kCFStringEncodingUTF8);    
    CFIndex cfLength = CFStringGetLength(expectedValueAsCFString);
    UniChar* cfBuffer = (UniChar*)malloc(cfLength * sizeof(UniChar));
    CFStringGetCharacters(expectedValueAsCFString, CFRangeMake(0, cfLength), cfBuffer);
    CFRelease(expectedValueAsCFString);

    if (memcmp(jsBuffer, cfBuffer, cfLength * sizeof(UniChar)) != 0) {
        fprintf(stderr, "assertEqualsAsCharactersPtr failed: jsBuffer != cfBuffer\n");
        failed = 1;
    }
    
    if (jsLength != (size_t)cfLength) {
        fprintf(stderr, "assertEqualsAsCharactersPtr failed: jsLength(%ld) != cfLength(%ld)\n", jsLength, cfLength);
        failed = 1;
    }

    free(cfBuffer);
    JSStringRelease(valueAsString);
}

/********************************************************************
*	 MoveFile
*		 lpFromFileName: old file path
*		 lpToFileName: new file path
********************************************************************/
BOOL MoveFile(const char * lpFromFileName, const char * lpToFileName)
{
	OSErr theErr;
	FSRef fromFileRef;
	FSRef toFileRef;
	FSRef parentFolderRef;
	
	// Get the path to the old file
	theErr = FSPathMakeRef((const UInt8 *)lpFromFileName, &fromFileRef, NULL);
	if (theErr != noErr)
	{
		SetLastError(theErr);
		return false;
	}
	
	// Get the path to the new folder for the file
	char folderName[strlen(lpToFileName)];
	CFStringRef folderPathCFString = CFStringCreateWithCString(NULL, lpToFileName, kCFStringEncodingUTF8);
	CFURLRef fileURL = CFURLCreateWithFileSystemPath(NULL, folderPathCFString, kCFURLPOSIXPathStyle, FALSE);
	CFURLRef folderURL = CFURLCreateCopyDeletingLastPathComponent(NULL, fileURL);
	CFURLGetFileSystemRepresentation(folderURL, TRUE, (UInt8 *)folderName, strlen(lpToFileName));
	theErr = FSPathMakeRef((UInt8 *)folderName, &parentFolderRef, NULL);
	CFRelease(fileURL);
	CFRelease(folderURL);
	CFRelease(folderPathCFString);
	
	// Move the old file
	theErr = FSMoveObject(&fromFileRef, &parentFolderRef, &toFileRef);
	if (theErr != noErr)
	{
		SetLastError(theErr);
		return false;
	}
	
	// Get a CFString for the new file name
	CFStringRef newFileNameCFString = CFStringCreateWithCString(NULL, lpToFileName, kCFStringEncodingUTF8);
	fileURL = CFURLCreateWithFileSystemPath(NULL, newFileNameCFString, kCFURLPOSIXPathStyle, FALSE);
	CFRelease(newFileNameCFString);
	newFileNameCFString = CFURLCopyLastPathComponent(fileURL);
	CFRelease(fileURL);
	
	// Convert CFString to Unicode and rename the file
	UniChar unicodeFileName[256];
	CFStringGetCharacters(newFileNameCFString, CFRangeMake(0, CFStringGetLength(newFileNameCFString)), 
						  unicodeFileName);
	theErr = FSRenameUnicode(&toFileRef, CFStringGetLength(newFileNameCFString), unicodeFileName, 
							 kTextEncodingUnknown, NULL);
	if (theErr != noErr)
	{
		SetLastError(theErr);
		CFRelease(newFileNameCFString);
		return false;
	}
	
	CFRelease(newFileNameCFString);
	
	SetLastError(theErr);
	return true;
}

static QString q_toString(const CFStringRef &str)
{
    CFIndex length = CFStringGetLength(str);
    QVarLengthArray<UniChar> buffer(length);

    CFRange range = { 0, length };
    CFStringGetCharacters(str, range, buffer.data());
    return QString(reinterpret_cast<const QChar *>(buffer.data()), length);
}