Blinker

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/* 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;
}
 
 
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