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 41 static bool resolveRelative(const KURL& base, const String& relative, url::RawCanonOutput<2048>* buffer) 42 { 43 // We use these low-level GURL functions to avoid converting back and forth from UTF-8 unnecessarily. 44 url::Parsed parsed; 45 StringUTF8Adaptor baseUTF8(base.string()); 46 if (relative.is8Bit()) { 47 StringUTF8Adaptor relativeUTF8(relative); 48 return url::ResolveRelative(baseUTF8.data(), baseUTF8.length(), base.parsed(), relativeUTF8.data(), relativeUTF8.length(), 0, buffer, &parsed); 49 } 50 return url::ResolveRelative(baseUTF8.data(), baseUTF8.length(), base.parsed(), relative.characters16(), relative.length(), 0, buffer, &parsed); 51 } 52 53 LinkHash visitedLinkHash(const KURL& base, const AtomicString& relative) 54 { 55 if (relative.isNull()) 56 return 0; 57 url::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
