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/*
* Copyright (c) 2008, 2009, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "platform/LinkHash.h"
#include "platform/weborigin/KURL.h"
#include "public/platform/Platform.h"
#include "url/url_util.h"
#include "wtf/text/StringUTF8Adaptor.h"
namespace blink {
static bool resolveRelative(const KURL& base,
const String& relative,
url::RawCanonOutput<2048>* buffer) {
// We use these low-level GURL functions to avoid converting back and forth
// from UTF-8 unnecessarily.
url::Parsed parsed;
StringUTF8Adaptor baseUTF8(base.getString());
if (relative.is8Bit()) {
StringUTF8Adaptor relativeUTF8(relative);
return url::ResolveRelative(baseUTF8.data(), baseUTF8.length(),
base.parsed(), relativeUTF8.data(),
relativeUTF8.length(), 0, buffer, &parsed);
}
return url::ResolveRelative(baseUTF8.data(), baseUTF8.length(), base.parsed(),
relative.characters16(), relative.length(), 0,
buffer, &parsed);
}
LinkHash visitedLinkHash(const KURL& base, const AtomicString& relative) {
if (relative.isNull())
return 0;
url::RawCanonOutput<2048> buffer;
if (!resolveRelative(base, relative.getString(), &buffer))
return 0;
return Platform::current()->visitedLinkHash(buffer.data(), buffer.length());
}
} // namespace blink
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