168 lines
3.3 KiB
C++

/** \file Utility.cpp
** \date 2004-02-13
** \author grymse@alhem.net
**/
/*
Copyright (C) 2004,2005 Anders Hedstrom
This library is made available under the terms of the GNU GPL.
If you would like to use this library in a closed-source application,
a separate license agreement is available. For information about
the closed-source license agreement for the C++ sockets library,
please visit http://www.alhem.net/Sockets/license.html and/or
email license@alhem.net.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "Utility.h"
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE {
#endif
std::string Utility::base64(const std::string& str_in)
{
std::string str;
Base64::encode(str_in, str, false); // , false == do not add cr/lf
return str;
}
std::string Utility::base64d(const std::string& str_in)
{
std::string str;
Base64::decode(str_in, str);
return str;
}
std::string Utility::l2string(long l)
{
std::string str;
char tmp[100];
sprintf(tmp,"%ld",l);
str = tmp;
return str;
}
std::string Utility::bigint2string(uint64_t l)
{
std::string str;
uint64_t tmp = l;
while (tmp)
{
uint64_t a = tmp % 10;
str = (char)(a + 48) + str;
tmp /= 10;
}
if (!str.size())
{
str = "0";
}
return str;
}
uint64_t Utility::atoi64(const std::string& str)
{
uint64_t l = 0;
for (size_t i = 0; i < str.size(); i++)
{
l = l * 10 + str[i] - 48;
}
return l;
}
unsigned int Utility::hex2unsigned(const std::string& str)
{
unsigned int r = 0;
for (size_t i = 0; i < str.size(); i++)
{
r = r * 16 + str[i] - 48 - ((str[i] >= 'A') ? 7 : 0) - ((str[i] >= 'a') ? 32 : 0);
}
return r;
}
/*
* Encode string per RFC1738 URL encoding rules
* tnx rstaveley
*/
std::string Utility::rfc1738_encode(const std::string& src)
{
static char hex[] = "0123456789ABCDEF";
std::string dst;
for (size_t i = 0; i < src.size(); i++)
{
if (isalnum(src[i]))
{
dst += src[i];
}
else
if (src[i] == ' ')
{
dst += '+';
}
else
{
dst += '%';
dst += hex[src[i] / 16];
dst += hex[src[i] % 16];
}
}
return dst;
} // rfc1738_encode
/*
* Decode string per RFC1738 URL encoding rules
* tnx rstaveley
*/
std::string Utility::rfc1738_decode(const std::string& src)
{
std::string dst;
for (size_t i = 0; i < src.size(); i++)
{
if (src[i] == '%' && isxdigit(src[i + 1]) && isxdigit(src[i + 2]))
{
char c1 = src[++i];
char c2 = src[++i];
c1 = c1 - 48 - ((c1 >= 'A') ? 7 : 0) - ((c1 >= 'a') ? 32 : 0);
c2 = c2 - 48 - ((c2 >= 'A') ? 7 : 0) - ((c2 >= 'a') ? 32 : 0);
dst += (char)(c1 * 16 + c2);
}
else
if (src[i] == '+')
{
dst += ' ';
}
else
{
dst += src[i];
}
}
return dst;
} // rfc1738_decode
#ifdef SOCKETS_NAMESPACE
}
#endif