text: /*
    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at
  
    http://www.apache.org/licenses/LICENSE-2.0
  
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
  */
  //////////////////////////////////////////////////////////////////////////////////////////////
  //
  // Interface for the config line parser
  //
  #ifndef __PARSER_H__
  #define __PARSER_H__ 1
  
  #include <string>
  #include <vector>
  #include <algorithm>
  
  #include "lulu.h"
  
  
  ///////////////////////////////////////////////////////////////////////////////
  //
  class Parser
  {
  public:
    explicit Parser(const std::string &line);
  
    bool
    empty() const
    {
      return _empty;
    }
    bool
    is_cond() const
    {
      return _cond;
    }
  
    bool
    cond_op_is(const std::string s) const
    {
      return _cond && (_op == s);
    }
    bool
    oper_op_is(const std::string s) const
    {
      return !_cond && (_op == s);
    }
  
    const std::string &
    get_op() const
    {
      return _op;
    }
    std::string &
    get_arg()
    {
      return _arg;
    }
    const std::string &
    get_value() const
    {
      return _val;
    }
  
    bool
    mod_exist(const std::string m) const
    {
      return (std::find(_mods.begin(), _mods.end(), m) != _mods.end());
    }
  
  private:
    void preprocess(std::vector<std::string> &tokens);
    DISALLOW_COPY_AND_ASSIGN(Parser);
  
    bool _cond;
    bool _empty;
    std::vector<std::string> _mods;
    std::string _op;
    std::string _arg;
    std::string _val;
  };
  
  
  #endif // __PARSER_H
  