#pragma once

#include <memory>

#include "envoy/common/optref.h"

#include "envoy/common/pure.h"

#include "envoy/stream_info/stream_info.h"

#include "absl/strings/string_view.h"

namespace Envoy {

namespace Matchers {

/**

 * Generic string matching interface.

 */

class StringMatcher {

public:

  struct Context {

    OptRef<const StreamInfo::StreamInfo> stream_info_;

  };

  /**

   * Return whether a passed string value matches.

   */

  virtual bool match(absl::string_view value) const PURE;

  /**

   * Return whether a passed string value matches with context.

   * Because most implementations don't use the context, provides a default implementation.

   */

};

using StringMatcherPtr = std::unique_ptr<const StringMatcher>;

} // namespace Matchers

} // namespace Envoy