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1647 runge 1
/*
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 *
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 *  Copyright (C) 2010  Mattias Runge
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License along
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 *  with this program; if not, write to the Free Software Foundation, Inc.,
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 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 */
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#include "common.h"
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namespace atom {
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namespace common {
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std::string PadNumber(unsigned int number, unsigned int length)
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{
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    std::string padded_string = boost::lexical_cast<std::string>(number);
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    while (padded_string.length() < length)
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    {
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        padded_string = "0" + padded_string;
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    }
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    return padded_string;
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}
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std::string ToHex(unsigned int value)
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{
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    char hex_string[11];
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    snprintf(hex_string, sizeof(hex_string), "0x%08X", value);
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    return std::string(hex_string);
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}
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unsigned int FromHex(std::string hex_chars)
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{
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    int value = 0;
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    int ascii_value;
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    for (int n = hex_chars.length() - 1; n >= 0; n--)
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    {
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        ascii_value = (int)hex_chars.data()[n];
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        if (48 <= ascii_value && ascii_value <= 57)
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        {
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            value |= (ascii_value - 48) << n;
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        }
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        else if (65 <= ascii_value && ascii_value <= 70)
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        {
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            value |= (ascii_value - 65) << n;
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        }
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        else
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        {
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            throw std::runtime_error("This is not an hex string, hex_chars = " + hex_chars + ", ascii_value = " + boost::lexical_cast<std::string>(ascii_value) + ", n = " + boost::lexical_cast<std::string>(n) + ", length = " + boost::lexical_cast<std::string>(hex_chars.length()));
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        }
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    }
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    return value;
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}
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}; // namespace type
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}; // namespace atom