text: /*
   * Copyright (C) 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.
   */
  
  #ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_URL_ERROR_H_
  #define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_URL_ERROR_H_
  
  #include "base/logging.h"
  #include "base/optional.h"
  #include "net/dns/public/resolve_error_info.h"
  #include "services/network/public/cpp/blocked_by_response_reason.h"
  #include "services/network/public/cpp/cors/cors_error_status.h"
  #include "third_party/blink/public/platform/web_url.h"
  
  namespace blink {
  
  // TODO(yhirano): Change this to a class.
  struct WebURLError {
   public:
    enum class HasCopyInCache {
      kFalse,
      kTrue,
    };
    enum class IsWebSecurityViolation {
      kFalse,
      kTrue,
    };
  
    WebURLError() = delete;
    // |reason| must not be 0.
    BLINK_PLATFORM_EXPORT WebURLError(int reason, const WebURL&);
    // |reason| must not be 0.
    BLINK_PLATFORM_EXPORT WebURLError(int reason,
                                      int extended_reason,
                                      net::ResolveErrorInfo resolve_error_info,
                                      HasCopyInCache,
                                      IsWebSecurityViolation,
                                      const WebURL&);
    BLINK_PLATFORM_EXPORT WebURLError(
        network::BlockedByResponseReason blocked_reason,
        net::ResolveErrorInfo resolve_error_info,
        HasCopyInCache,
        const WebURL&);
    BLINK_PLATFORM_EXPORT WebURLError(const network::CorsErrorStatus&,
                                      HasCopyInCache,
                                      const WebURL&);
  
    int reason() const { return reason_; }
    int extended_reason() const { return extended_reason_; }
    const net::ResolveErrorInfo& resolve_error_info() const {
      return resolve_error_info_;
    }
    bool has_copy_in_cache() const { return has_copy_in_cache_; }
    bool is_web_security_violation() const { return is_web_security_violation_; }
    const WebURL& url() const { return url_; }
    const base::Optional<network::CorsErrorStatus> cors_error_status() const {
      return cors_error_status_;
    }
    const base::Optional<network::BlockedByResponseReason>
    blocked_by_response_reason() const {
      return blocked_by_response_reason_;
    }
  
   private:
    // A numeric error code detailing the reason for this error. The value must
    // not be 0.
    int reason_;
  
    // Additional information based on the reason_.
    int extended_reason_ = 0;
  
    // Detailed host resolution error information.
    net::ResolveErrorInfo resolve_error_info_;
  
    // A flag showing whether or not we have a (possibly stale) copy of the
    // requested resource in the cache.
    bool has_copy_in_cache_ = false;
  
    // True if this error is created for a web security violation.
    bool is_web_security_violation_ = false;
  
    // The url that failed to load.
    WebURL url_;
  
    // Optional CORS error details.
    base::Optional<network::CorsErrorStatus> cors_error_status_;
  
    // More detailed reason for failing the response with
    // ERR_net::ERR_BLOCKED_BY_RESPONSE |error_code|.
    base::Optional<network::BlockedByResponseReason> blocked_by_response_reason_;
  };
  
  }  // namespace blink
  
  #endif
  