chromium/components/query_parser/query_parser.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_QUERY_PARSER_QUERY_PARSER_H_
#define COMPONENTS_QUERY_PARSER_QUERY_PARSER_H_

#include <stddef.h>

#include <memory>
#include <string>
#include <vector>

#include "components/query_parser/snippet.h"

namespace query_parser {

class QueryNodeList;

// Used by HasMatchIn.
struct QueryWord { … };

enum class MatchingAlgorithm { … };

QueryWordVector;

// `QueryNode` is used by `QueryParser` to represent the elements that
// constitute a query. While `QueryNode` is exposed by way of `ParseQuery`, it
// really isn't meant for external usage.
class QueryNode { … };

QueryNodeVector;

// This class is used to parse queries entered into the history search into more
// normalized queries that can be passed to the SQLite backend.
class QueryParser { … };

}  // namespace query_parser

#endif  // COMPONENTS_QUERY_PARSER_QUERY_PARSER_H_