ParserUtils.hh

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/*
 * Copyright (C) 2016 Open Source Robotics Foundation
 *
 * Licensed 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.
 *
*/

#ifndef MANIFOLD_RNDF_PARSERUTILS_HH_
#define MANIFOLD_RNDF_PARSERUTILS_HH_

#include <iosfwd>
#include <string>

#include "manifold/Helpers.hh"
#include "manifold/rndf/Lane.hh"

namespace manifold
{
  namespace rndf
  {

    // Forward declarations.
    class Checkpoint;
    class Exit;
    class UniqueId;

    static const std::string kRgxString = "[^[:space:]\\*\\\\]{1,128}";

    static const std::string kPositiveData =
     "[1-9]|"
     "[1-9][[:d:]]|"
     "[1-9][[:d:]][[:d:]]|"
     "[1-9][[:d:]][[:d:]][[:d:]]|"
     "[1-2][[:d:]][[:d:]][[:d:]][[:d:]]|"
     "3[0-1][[:d:]][[:d:]][[:d:]]|"
     "32[0-6][[:d:]][[:d:]]|327[0-5][[:d:]]|3276[0-8]";

    static const std::string kRgxPositive = "(" + kPositiveData + ")";

    static const std::string kRgxNonNegative = "(0|" + kPositiveData + ")";

    static const std::string kRgxDouble = "(-?[0-9]*\\.?[0-9]+)";

    static const std::string kRgxUniqueId = kRgxPositive + "\\." +
      kRgxNonNegative + "\\." + kRgxPositive;

    static const std::string kRgxComment = "\\/\\*[^\\*\\/]*\\*\\/";

    MANIFOLD_VISIBLE
    bool nextRealLine(std::ifstream &_rndfFile,
                      std::string &_line,
                      int &_lineNumber);

    MANIFOLD_VISIBLE
    bool parseString(std::ifstream &_rndfFile,
                     const std::string &_delimiter,
                     std::string &_value,
                     int &_lineNumber);

    MANIFOLD_VISIBLE
    bool parseDelimiter(std::ifstream &_rndfFile,
                        const std::string &_delimiter,
                        int &_lineNumber);

    MANIFOLD_VISIBLE
    bool parsePositive(std::ifstream &_rndfFile,
                       const std::string &_delimiter,
                       int &_value,
                       int &_lineNumber);

    MANIFOLD_VISIBLE
    bool parseNonNegative(std::ifstream &_rndfFile,
                         const std::string &_delimiter,
                         int &_value,
                         int &_lineNumber);

    MANIFOLD_VISIBLE
    bool parseNonNegative(const std::string &_input,
                          const std::string &_delimiter,
                          int &_value);

    MANIFOLD_VISIBLE
    bool parseBoundary(const std::string &_input,
                       Marking &_boundary);

    MANIFOLD_VISIBLE
    bool parseCheckpoint(const std::string &_input,
                         const int _segmentId,
                         const int _laneId,
                         Checkpoint &_checkpoint);

    MANIFOLD_VISIBLE
    bool parseStop(const std::string &_input,
                   const int _segmentId,
                   const int _laneId,
                   UniqueId &_stop);

    MANIFOLD_VISIBLE
    bool parseExit(const std::string &_input,
                   const int _segmentId,
                   const int _laneId,
                   Exit &_exit);
  }
}
#endif