src/noarch/StringParser.h (744c6a1) - Blinker · BlinkenArea

StringParser.h

/* Blinker
   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
   a blinkenarea.org project */

#ifndef STRINGPARSER_H
#define STRINGPARSER_H

#include <string>

namespace Blinker {

/// a simple string parser
class StringParser
{
public:
  /**
   * @brief constructor
   * @param[in] str string to parse
   */
  StringParser(const std::string &str);

public:
  /**
   * @brief parse fixed character
   * @param[in] chr character to expect
   * @return if expected character was found and processed
   */
  bool fixChr(char chr);

/**
   * @brief parse unsigned number
   * @param[out] uint number parsed from string
   * @return if parsing was successful
   */
  bool uintNo(unsigned int &uint);

/**
   * @brief parse unsigned number and check minimum
   * @param[in] min minimum value to expect
   * @param[out] uint number parsed from string
   * @return if parsing was successful
   */
  bool uintMin(unsigned int min, unsigned int &uint);

/**
   * @brief parse signed number
   * @param[out] sint number parsed from string
   * @return if parsing was successful
   */
  bool sintNo(int &sint);

/**
   * @brief check if parsing is done
   * @return if parsing is done (i.e. has arrived at the end of the string)
   */
  bool isDone();

protected:
  std::string                 m_str; ///< string begin parsed
  std::string::const_iterator m_it;  ///< current position of parsing
}; // class StringParser

} // namespace Blinker

#endif // #ifndef STRINGPARSER_H

Blinker

allow negative coordinates for positions