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/**
* $Id: utils.h 2 2009-10-31 02:48:23Z l0728348 $
*
* Copyright 2009
*
* @author Manuel Mausz (0728348)
* @brief implements some common utility functions, methods and templates
* available in namespace Utils.
*/
#ifndef UTILS_H
#define UTILS_H
#include <sstream>
#include <stdexcept>
namespace Utils
{
/**
* @brief exception thrown by lexical_cast
*/
class bad_lexical_cast : public std::runtime_error {
public:
/**
* @brief Default exception ctor
* @param what message to pass along
*/
bad_lexical_cast(const std::string& what)
: std::runtime_error(what)
{}
};
/**
* @brief simple implementation of boost::lexical_cast
* can be used to convert string to number
* mainly uses operator<< of stringstream
* @param source source value
* @return target target value
**/
template <typename Target, typename Source>
Target lexical_cast(const Source& source)
{
Target target;
std::stringstream interpreter;
if(!(interpreter << source && interpreter >> target && interpreter.get() == std::char_traits<char>::eof()))
throw bad_lexical_cast("bad lexical cast");
return target;
};
};
#endif
/* vim: set et sw=2 ts=2: */
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