NXDNClients/NXDNGateway/Utils.cpp
2018-03-13 22:16:48 +00:00

147 lines
3.5 KiB
C++

/*
* Copyright (C) 2009,2014,2015,2016 Jonathan Naylor, G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "Utils.h"
#include "Log.h"
#include <cstdio>
#include <cassert>
void CUtils::dump(const std::string& title, const unsigned char* data, unsigned int length)
{
assert(data != NULL);
dump(2U, title, data, length);
}
void CUtils::dump(int level, const std::string& title, const unsigned char* data, unsigned int length)
{
assert(data != NULL);
::Log(level, "%s", title.c_str());
unsigned int offset = 0U;
while (length > 0U) {
std::string output;
unsigned int bytes = (length > 16U) ? 16U : length;
for (unsigned i = 0U; i < bytes; i++) {
char temp[10U];
::sprintf(temp, "%02X ", data[offset + i]);
output += temp;
}
for (unsigned int i = bytes; i < 16U; i++)
output += " ";
output += " *";
for (unsigned i = 0U; i < bytes; i++) {
unsigned char c = data[offset + i];
if (::isprint(c))
output += c;
else
output += '.';
}
output += '*';
::Log(level, "%04X: %s", offset, output.c_str());
offset += 16U;
if (length >= 16U)
length -= 16U;
else
length = 0U;
}
}
void CUtils::dump(const std::string& title, const bool* bits, unsigned int length)
{
assert(bits != NULL);
dump(2U, title, bits, length);
}
void CUtils::dump(int level, const std::string& title, const bool* bits, unsigned int length)
{
assert(bits != NULL);
unsigned char bytes[100U];
unsigned int nBytes = 0U;
for (unsigned int n = 0U; n < length; n += 8U, nBytes++)
bitsToByteBE(bits + n, bytes[nBytes]);
dump(level, title, bytes, nBytes);
}
void CUtils::byteToBitsBE(unsigned char byte, bool* bits)
{
assert(bits != NULL);
bits[0U] = (byte & 0x80U) == 0x80U;
bits[1U] = (byte & 0x40U) == 0x40U;
bits[2U] = (byte & 0x20U) == 0x20U;
bits[3U] = (byte & 0x10U) == 0x10U;
bits[4U] = (byte & 0x08U) == 0x08U;
bits[5U] = (byte & 0x04U) == 0x04U;
bits[6U] = (byte & 0x02U) == 0x02U;
bits[7U] = (byte & 0x01U) == 0x01U;
}
void CUtils::byteToBitsLE(unsigned char byte, bool* bits)
{
assert(bits != NULL);
bits[0U] = (byte & 0x01U) == 0x01U;
bits[1U] = (byte & 0x02U) == 0x02U;
bits[2U] = (byte & 0x04U) == 0x04U;
bits[3U] = (byte & 0x08U) == 0x08U;
bits[4U] = (byte & 0x10U) == 0x10U;
bits[5U] = (byte & 0x20U) == 0x20U;
bits[6U] = (byte & 0x40U) == 0x40U;
bits[7U] = (byte & 0x80U) == 0x80U;
}
void CUtils::bitsToByteBE(const bool* bits, unsigned char& byte)
{
assert(bits != NULL);
byte = bits[0U] ? 0x80U : 0x00U;
byte |= bits[1U] ? 0x40U : 0x00U;
byte |= bits[2U] ? 0x20U : 0x00U;
byte |= bits[3U] ? 0x10U : 0x00U;
byte |= bits[4U] ? 0x08U : 0x00U;
byte |= bits[5U] ? 0x04U : 0x00U;
byte |= bits[6U] ? 0x02U : 0x00U;
byte |= bits[7U] ? 0x01U : 0x00U;
}
void CUtils::bitsToByteLE(const bool* bits, unsigned char& byte)
{
assert(bits != NULL);
byte = bits[0U] ? 0x01U : 0x00U;
byte |= bits[1U] ? 0x02U : 0x00U;
byte |= bits[2U] ? 0x04U : 0x00U;
byte |= bits[3U] ? 0x08U : 0x00U;
byte |= bits[4U] ? 0x10U : 0x00U;
byte |= bits[5U] ? 0x20U : 0x00U;
byte |= bits[6U] ? 0x40U : 0x00U;
byte |= bits[7U] ? 0x80U : 0x00U;
}