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#include "config.h"
27#include "KURL.h"
28
29#include <wtf/RetainPtr.h>
30#include <CoreFoundation/CFURL.h>
31
32using namespace std;
33
34namespace WebCore {
35
36KURL::KURL(CFURLRef url)
37{
38    if (!url) {
39        parse(0, 0);
40        return;
41    }
42
43    CFIndex bytesLength = CFURLGetBytes(url, 0, 0);
44    Vector<char, 512> buffer(bytesLength + 6); // 5 for "file:", 1 for null character to end C string
45    char* bytes = &buffer[5];
46    CFURLGetBytes(url, reinterpret_cast<UInt8*>(bytes), bytesLength);
47    bytes[bytesLength] = '\0';
48    if (bytes[0] != '/') {
49        parse(bytes, 0);
50        return;
51    }
52
53    buffer[0] = 'f';
54    buffer[1] = 'i';
55    buffer[2] = 'l';
56    buffer[3] = 'e';
57    buffer[4] = ':';
58
59    parse(buffer.data(), 0);
60}
61
62CFURLRef KURL::createCFURL() const
63{
64    // FIXME: What should this return for invalid URLs?
65    // Currently it throws away the high bytes of the characters in the string in that case,
66    // which is clearly wrong.
67
68    Vector<char, 512> buffer;
69    copyToBuffer(buffer);
70
71    // NOTE: We use UTF-8 here since this encoding is used when computing strings when returning URL components
72    // (e.g calls to NSURL -path). However, this function is not tolerant of illegal UTF-8 sequences, which
73    // could either be a malformed string or bytes in a different encoding, like Shift-JIS, so we fall back
74    // onto using ISO Latin-1 in those cases.
75    CFURLRef result = CFURLCreateAbsoluteURLWithBytes(0, reinterpret_cast<const UInt8*>(buffer.data()), buffer.size(), kCFStringEncodingUTF8, 0, true);
76    if (!result)
77        result = CFURLCreateAbsoluteURLWithBytes(0, reinterpret_cast<const UInt8*>(buffer.data()), buffer.size(), kCFStringEncodingISOLatin1, 0, true);
78    return result;
79}
80
81String KURL::fileSystemPath() const
82{
83    RetainPtr<CFURLRef> cfURL(AdoptCF, createCFURL());
84    if (!cfURL)
85        return String();
86
87#if PLATFORM(WIN)
88    CFURLPathStyle pathStyle = kCFURLWindowsPathStyle;
89#else
90    CFURLPathStyle pathStyle = kCFURLPOSIXPathStyle;
91#endif
92    return RetainPtr<CFStringRef>(AdoptCF, CFURLCopyFileSystemPath(cfURL.get(), pathStyle)).get();
93}
94
95}
96