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      1 /**
      2  * Copyright (C) 2006 Apple Computer, Inc.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #include "config.h"
     22 #include "wtf/text/WTFString.h"
     23 
     24 #include <CoreFoundation/CFString.h>
     25 
     26 namespace WTF {
     27 
     28 String::String(NSString* str)
     29 {
     30     if (!str)
     31         return;
     32 
     33     CFIndex size = CFStringGetLength(reinterpret_cast<CFStringRef>(str));
     34     if (size == 0)
     35         m_impl = StringImpl::empty();
     36     else {
     37         Vector<LChar, 1024> lcharBuffer(size);
     38         CFIndex usedBufLen;
     39         CFIndex convertedsize = CFStringGetBytes(reinterpret_cast<CFStringRef>(str), CFRangeMake(0, size), kCFStringEncodingISOLatin1, 0, false, lcharBuffer.data(), size, &usedBufLen);
     40         if ((convertedsize == size) && (usedBufLen == size)) {
     41             m_impl = StringImpl::create(lcharBuffer.data(), size);
     42             return;
     43         }
     44 
     45         Vector<UChar, 1024> ucharBuffer(size);
     46         CFStringGetCharacters(reinterpret_cast<CFStringRef>(str), CFRangeMake(0, size), ucharBuffer.data());
     47         m_impl = StringImpl::create(ucharBuffer.data(), size);
     48     }
     49 }
     50 
     51 }
     52