// Copyright 2014 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.
//
// This is a port of ManifestParser.h from WebKit/WebCore/loader/appcache.

/*
 * Copyright (C) 2008 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 APPLE INC. ``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 APPLE INC. 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.
 */

#ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_MANIFEST_PARSER_H_
#define CONTENT_BROWSER_APPCACHE_APPCACHE_MANIFEST_PARSER_H_

#include <string>
#include <unordered_set>
#include <vector>

#include "content/browser/appcache/appcache_namespace.h"
#include "content/common/appcache_interfaces.h"
#include "content/common/content_export.h"

class GURL;

namespace content {

struct CONTENT_EXPORT AppCacheManifest {
  AppCacheManifest();
  ~AppCacheManifest();

  std::unordered_set<std::string> explicit_urls;
  std::vector<AppCacheNamespace> intercept_namespaces;
  std::vector<AppCacheNamespace> fallback_namespaces;
  std::vector<AppCacheNamespace> online_safelist_namespaces;
  // Stores the version of the manifest parser used to interpret a given
  // AppCache manifest.
  int parser_version = -1;
  // Stores the scope used to validate resource overrides specified in a given
  // manifest, if |scope_checks_enabled| is true.
  std::string scope;
  bool online_safelist_all = false;
  bool did_ignore_intercept_namespaces = false;
  bool did_ignore_fallback_namespaces = false;
  base::Time token_expires;
};

enum ParseMode {
  PARSE_MANIFEST_PER_STANDARD,
  PARSE_MANIFEST_ALLOWING_DANGEROUS_FEATURES
};

CONTENT_EXPORT bool ParseManifest(const GURL& manifest_url,
                                  const std::string& manifest_scope,
                                  const char* manifest_bytes,
                                  int manifest_size,
                                  ParseMode parse_mode,
                                  AppCacheManifest& manifest);

CONTENT_EXPORT std::string GetAppCacheOriginTrialNameForTesting();

}  // namespace content

#endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_MANIFEST_PARSER_H_