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/* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2009 Sun Microsystems, Inc.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <drizzled/util/convert.h>
#include <string>
#include <iomanip>
#include <sstream>
using namespace std;
namespace drizzled
{
uint64_t drizzled_string_to_hex(char *to, const char *from, uint64_t from_size)
{
static const char hex_map[]= "0123456789ABCDEF";
const char *from_end;
for (from_end= from + from_size; from != from_end; from++)
{
*to++= hex_map[((unsigned char) *from) >> 4];
*to++= hex_map[((unsigned char) *from) & 0xF];
}
*to= 0;
return from_size * 2;
}
static inline char hex_char_value(char c)
{
if (c >= '0' && c <= '9')
return c - '0';
else if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
else if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
return 0;
}
void drizzled_hex_to_string(char *to, const char *from, uint64_t from_size)
{
const char *from_end = from + from_size;
while (from != from_end)
{
*to= hex_char_value(*from++) << 4;
if (from != from_end)
*to++|= hex_char_value(*from++);
}
}
void bytesToHexdumpFormat(string &to, const unsigned char *from, size_t from_length)
{
static const char hex_map[]= "0123456789abcdef";
unsigned int x, y;
ostringstream line_number;
for (x= 0; x < from_length; x+= 16)
{
line_number << setfill('0') << setw(6);
line_number << x;
to.append(line_number.str());
to.append(": ", 2);
for (y= 0; y < 16; y++)
{
if ((x + y) < from_length)
{
to.push_back(hex_map[(from[x+y]) >> 4]);
to.push_back(hex_map[(from[x+y]) & 0xF]);
to.push_back(' ');
}
else
to.append(" ");
}
to.push_back(' ');
for (y= 0; y < 16; y++)
{
if ((x + y) < from_length)
to.push_back(isprint(from[x + y]) ? from[x + y] : '.');
}
to.push_back('\n');
line_number.str("");
}
}
} /* namespace drizzled */
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