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      1 /*
      2  * Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #import "config.h"
     27 #import "KURL.h"
     28 
     29 #import "FoundationExtras.h"
     30 
     31 namespace WebCore {
     32 
     33 KURL::KURL(NSURL *url)
     34 {
     35     if (!url) {
     36         parse(0, 0);
     37         return;
     38     }
     39 
     40     CFIndex bytesLength = CFURLGetBytes(reinterpret_cast<CFURLRef>(url), 0, 0);
     41     Vector<char, 512> buffer(bytesLength + 6); // 5 for "file:", 1 for null character to end C string
     42     char* bytes = &buffer[5];
     43     CFURLGetBytes(reinterpret_cast<CFURLRef>(url), reinterpret_cast<UInt8*>(bytes), bytesLength);
     44     bytes[bytesLength] = '\0';
     45     if (bytes[0] != '/') {
     46         parse(bytes, 0);
     47         return;
     48     }
     49 
     50     buffer[0] = 'f';
     51     buffer[1] = 'i';
     52     buffer[2] = 'l';
     53     buffer[3] = 'e';
     54     buffer[4] = ':';
     55 
     56     parse(buffer.data(), 0);
     57 }
     58 
     59 KURL::operator NSURL *() const
     60 {
     61     if (isNull())
     62         return nil;
     63 
     64     // CFURL can't hold an empty URL, unlike NSURL.
     65     if (isEmpty())
     66         return [NSURL URLWithString:@""];
     67 
     68     return HardAutorelease(createCFURL());
     69 }
     70 
     71 }
     72