| /* |
| * 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 "third_party/blink/renderer/platform/link_hash.h" |
| |
| #include <string_view> |
| |
| #include "third_party/blink/public/platform/platform.h" |
| #include "third_party/blink/renderer/platform/weborigin/kurl.h" |
| #include "third_party/blink/renderer/platform/wtf/text/string_utf8_adaptor.h" |
| #include "url/url_util.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 base_utf8(base.GetString()); |
| if (relative.Is8Bit()) { |
| StringUTF8Adaptor relative_utf8(relative); |
| return url::ResolveRelative(base_utf8.data(), base_utf8.size(), |
| base.GetParsed(), relative_utf8.data(), |
| relative_utf8.size(), nullptr, buffer, &parsed); |
| } |
| return url::ResolveRelative(base_utf8.data(), base_utf8.size(), |
| base.GetParsed(), relative.Characters16(), |
| relative.length(), nullptr, 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( |
| std::string_view(buffer.data(), buffer.length())); |
| } |
| |
| } // namespace blink |