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/*
* Copyright 2015 The Chromium Authors. All rights reserved.
* Copyright (C) 2016 Akamai Technologies Inc. All rights reserved.
* Copyright (C) 2020 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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.
*/
#pragma once
#include <wtf/Forward.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class LinkHeader {
public:
template<typename CharacterType> LinkHeader(StringParsingBuffer<CharacterType>&);
const String& url() const { return m_url; }
const String& rel() const { return m_rel; }
const String& as() const { return m_as; }
const String& mimeType() const { return m_mimeType; }
const String& media() const { return m_media; }
const String& crossOrigin() const { return m_crossOrigin; }
const String& imageSrcSet() const { return m_imageSrcSet; }
const String& imageSizes() const { return m_imageSizes; }
const String& nonce() const { return m_nonce; }
const String& referrerPolicy() const { return m_referrerPolicy; }
const String& fetchPriority() const { return m_fetchPriority; }
bool valid() const { return m_isValid; }
bool isViewportDependent() const { return !media().isEmpty() || !imageSrcSet().isEmpty() || !imageSizes().isEmpty(); }
enum LinkParameterName {
LinkParameterRel,
LinkParameterAnchor,
LinkParameterTitle,
LinkParameterMedia,
LinkParameterType,
LinkParameterRev,
LinkParameterHreflang,
// Beyond this point, only link-extension parameters
LinkParameterUnknown,
LinkParameterCrossOrigin,
LinkParameterAs,
LinkParameterImageSrcSet,
LinkParameterImageSizes,
LinkParameterNonce,
LinkParameterReferrerPolicy,
LinkParameterFetchPriority,
};
private:
void setValue(LinkParameterName, String&& value);
String m_url;
String m_rel;
String m_as;
String m_mimeType;
String m_media;
String m_crossOrigin;
String m_imageSrcSet;
String m_imageSizes;
String m_nonce;
String m_referrerPolicy;
String m_fetchPriority;
bool m_isValid { true };
};
class LinkHeaderSet {
public:
WEBCORE_EXPORT LinkHeaderSet(const String& header);
Vector<LinkHeader>::const_iterator begin() const { return m_headerSet.begin(); }
Vector<LinkHeader>::const_iterator end() const { return m_headerSet.end(); }
private:
Vector<LinkHeader> m_headerSet;
};
} // namespace WebCore
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