src/noarch/StringParser.h (b6b2996) - Blinker · BlinkenArea

StringParser.h

/* Blinker
   Copyright 2011-2014 Stefan Schuermans <stefan@blinkenarea.org>
   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
   a blinkenarea.org project */

#ifndef BLINKER_STRINGPARSER_H
#define BLINKER_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 one character out of a set
   * @param[in] set set of characters allowed
   * @param[out] chr character parsed
   * @return if a character from the set was found and processed
   */
  bool oneChrOf(const std::string &set, char &chr);

/**
   * @brief parse boolean value
   * @param[out] boolVal boolean value parsed from string
   * @return if parsing was successful
   */
  bool boolVal(bool &boolVal);

/**
   * @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 parse until a delimiter is found
   * @param[in] delim set of delimiter characters
   * @param[in] empty if empty substring is okay
   * @param[out] str substring parsed
   * @return if a substring was found and processed
   */
  bool untilDelim(const std::string &delim, bool empty, std::string &str);

/**
   * @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 BLINKER_STRINGPARSER_H

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