#ifndef OPENFPGA_PB_PARSER_H
#define OPENFPGA_PB_PARSER_H

/********************************************************************
 * Include header files that are required by data structure declaration
 *******************************************************************/
#include <string>
#include <vector>

#include "vtr_geometry.h"

#include "openfpga_tokenizer.h"

/************************************************************************
 * This file includes parsers for pb_type definition in the architecture XML
 * language.
 ***********************************************************************/

/* namespace openfpga begins */
namespace openfpga {

/************************************************************************
 * Class PbParser: pb_type name with full hierarchy parser
 * Supported pb_type definition:
 *   1. <pb_type>[<mode>].<sub_pb_type>[<mode>] ... .<leaf_pb_type>
 *   2. <pb_type>.<sub_pb_type> ... .<leaf_pb_type>
 * where each pb_type may be specified by a mode or use the default mode
 * (mode name not given) 
 ***********************************************************************/
class PbParser{
  public : /* Constructors*/
    PbParser (const std::string& data);
  public : /* Public Accessors */ 
    std::string data() const;
    std::string leaf() const;
    std::vector<std::string> parents() const;
    std::vector<std::string> modes() const;
  public : /* Public Mutators */ 
    void set_data(const std::string& data);
  private : /* Private Mutators */ 
    void parse();
    void set_default_bracket();
    void set_default_delim();
  private: /* Internal data */
    std::string data_; /* Lines to be splited */
    vtr::Point<char> bracket_;
    char delim_;
    std::vector<std::string> parents_;
    std::vector<std::string> modes_;
    std::string leaf_;
};

} /* namespace openfpga ends */

#endif