1 /*
2 * Copyright (c) 2008, 2009, Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "platform/LinkHash.h"
33
34 #include "platform/weborigin/KURL.h"
35 #include "public/platform/Platform.h"
36 #include "wtf/text/StringUTF8Adaptor.h"
37 #include <url/url_util.h>
38
39 namespace WebCore {
40
resolveRelative(const KURL & base,const String & relative,url_canon::RawCanonOutput<2048> * buffer)41 static bool resolveRelative(const KURL& base, const String& relative, url_canon::RawCanonOutput<2048>* buffer)
42 {
43 // We use these low-level GURL functions to avoid converting back and forth from UTF-8 unnecessarily.
44 url_parse::Parsed parsed;
45 StringUTF8Adaptor baseUTF8(base.string());
46 if (relative.is8Bit()) {
47 StringUTF8Adaptor relativeUTF8(relative);
48 return url_util::ResolveRelative(baseUTF8.data(), baseUTF8.length(), base.parsed(), relativeUTF8.data(), relativeUTF8.length(), 0, buffer, &parsed);
49 }
50 return url_util::ResolveRelative(baseUTF8.data(), baseUTF8.length(), base.parsed(), relative.characters16(), relative.length(), 0, buffer, &parsed);
51 }
52
visitedLinkHash(const KURL & base,const AtomicString & relative)53 LinkHash visitedLinkHash(const KURL& base, const AtomicString& relative)
54 {
55 if (relative.isNull())
56 return 0;
57 url_canon::RawCanonOutput<2048> buffer;
58 if (!resolveRelative(base, relative.string(), &buffer))
59 return 0;
60 return blink::Platform::current()->visitedLinkHash(buffer.data(), buffer.length());
61 }
62
63 } // namespace WebCore
64