src/noarch/StringParser.cpp (d36272b) - Blinker · BlinkenArea

StringParser.cpp

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

#include <string>

#include "StringParser.h"

namespace Blinker {

/**
 * @brief constructor
 * @param[in] str string to parse
 */
StringParser::StringParser(const std::string &str):
  m_str(str),
  m_it(str.begin())
{
}

/**
 * @brief parse fixed character
 * @param[in] chr character to expect
 * @return if expected character was found and processed
 */
bool StringParser::fixChr(char chr)
{
  if (m_it == m_str.end() || *m_it != chr)
    return false;
  ++m_it;
  return true;
}

/**
 * @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 StringParser::uintMin(unsigned int min, unsigned int &uint)
{
  uint = 0;
  while (m_it != m_str.end() && *m_it >= '0' && *m_it <= '9') {
    uint *= 10;
    uint += *m_it - '0';
    ++m_it;
  }
  return uint >= min;
}

/**
 * @brief check if parsing is done
 * @return if parsing is done (i.e. has arrived at the end of the string)
 */
bool StringParser::isDone()
{
  return m_it == m_str.end();
}

} // namespace Blinker

Blinker

classes for format, size and position of Blinken frames