third_party/WebKit/Source/core/loader/HttpEquiv.h

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef HttpEquiv_h
#define HttpEquiv_h

#include "wtf/Allocator.h"
#include "wtf/text/AtomicString.h"

namespace blink {

class Document;

/**
 * Handles a HTTP header equivalent set by a meta tag using
 * <meta http-equiv="..." content="...">. This is called when a meta tag is
 * encountered during document parsing, and also when a script dynamically
 * changes or adds a meta tag. This enables scripts to use meta tags to perform
 * refreshes and set expiry dates in addition to them being specified in a HTML
 * file.
 */
class HttpEquiv {
  STATIC_ONLY(HttpEquiv);

 public:
  static void process(Document&,
                      const AtomicString& equiv,
                      const AtomicString& content,
                      bool inDocumentHeadElement);

 private:
  static void processHttpEquivDefaultStyle(Document&,
                                           const AtomicString& content);
  static void processHttpEquivRefresh(Document&, const AtomicString& content);
  static void processHttpEquivSetCookie(Document&, const AtomicString& content);
  static void processHttpEquivXFrameOptions(Document&,
                                            const AtomicString& content);
  static void processHttpEquivContentSecurityPolicy(
      Document&,
      const AtomicString& equiv,
      const AtomicString& content);
  static void processHttpEquivAcceptCH(Document&, const AtomicString& content);
};

}  // namespace blink

#endif