StringTokenizer.h

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// SPDX-FileCopyrightText: The Bio++ Development Group
//
// SPDX-License-Identifier: CECILL-2.1

#ifndef BPP_TEXT_STRINGTOKENIZER_H
#define BPP_TEXT_STRINGTOKENIZER_H

#include <deque>
#include <iostream>
#include <string>

#include "../Exceptions.h"

namespace bpp
{
class StringTokenizer
{
protected:
  std::deque<std::string> tokens_;
  std::deque<std::string> splits_;

  size_t currentPosition_;

public:
  StringTokenizer(const std::string& s, const std::string& delimiters = " \t\n\f\r", bool solid = false, bool allowEmptyTokens = false);

  virtual ~StringTokenizer() {}

public:
  StringTokenizer() : tokens_(), splits_(), currentPosition_(0) {}

public:
  const std::string& nextToken()
  {
    if (!hasMoreToken()) throw Exception("No more token in tokenizer.");
    return tokens_[currentPosition_++];
  }

  bool hasMoreToken() const
  {
    return currentPosition_ < tokens_.size();
  }

  size_t numberOfRemainingTokens() const { return tokens_.size() - currentPosition_; }

  const std::string& getToken(size_t pos) const { return tokens_[pos]; }

  const std::deque<std::string>& getTokens() const { return tokens_; }

  void removeEmptyTokens();

  std::string unparseRemainingTokens() const;
};
} // end of namespace bpp.
#endif // BPP_TEXT_STRINGTOKENIZER_H