#include <string>
/***************************************************************************
* Copyright (C) 2004 by Mattias Runge *
* mattias@mrunge.se *
* *
* 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 "tools.h"
string niceTime()
{
string result;
struct tm tmStruct;
time_t t = time(NULL);
localtime_r(&t, &tmStruct);
result += lpad(itos(tmStruct.tm_hour), 2, '0');
result += ":";
result += lpad(itos(tmStruct.tm_min), 2, '0');
result += ":";
result += lpad(itos(tmStruct.tm_sec), 2, '0');
return result;
}
unsigned int hex2uint(string hex)
{
return bin2uint(hex2bin(hex));
}
unsigned int bin2uint(string bin)
{
unsigned int num = 0;
for (int n = bin.length()-1; n >= 0; n--)
{
if (bin[n] == '1')
num += (unsigned int)pow(2.0f, (int)(bin.length()-1-n));
}
return num;
}
int bin2int(string bin)
{
int num = 0;
if (bin[0] == '1') {
for (int n = bin.length()-1; n >= 0; n--)
{
if (bin[n] == '0')
num += (unsigned int)pow(2.0f, (int)(bin.length()-1-n));
}
num = (num*(-1)) -1;
} else {
for (int n = bin.length()-1; n >= 0; n--)
{
if (bin[n] == '1')
num += (unsigned int)pow(2.0f, (int)(bin.length()-1-n));
}
}
return num;
}
string invert(string bin)
{
string inverted;
for (int n = 0; n < bin.length(); n++)
inverted += (bin[n] == '1' ? '0' : '1');
return inverted;
}
float bin2float(string bin)
{
float num = 0;
if (bin.length() == 0)
return 0.0f;
bool isNegative = false;;
if (bin[0] == '1')
{
bin = invert(bin);
isNegative = true;
}
for (int n = bin.length()-1; n > 0; n--)
{
if (bin[n] == '1')
num += pow(2.0f, (int)(bin.length()-1-n));
}
num /= 64.0f;
if (isNegative)
num = -num;
return num;
}
string bin2hex(string bin)
{
string hex;
while (bin.size() > 0)
{
string part;
try
{
part = bin.substr(0, 4);
}
catch (std::out_of_range& e)
{
cout << "DEBUG: bin2hex exception: " << e.what() << "\n";
cout << "DEBUG: A bin=" << bin << endl;
continue;
}
bin.erase(0, part.size());
while (part.size() < 4)
part = "0" + part;
if (part == "0000")
hex += '0';
else if (part == "0001")
hex += '1';
else if (part == "0010")
hex += '2';
else if (part == "0011")
hex += '3';
else if (part == "0100")
hex += '4';
else if (part == "0101")
hex += '5';
else if (part == "0110")
hex += '6';
else if (part == "0111")
hex += '7';
else if (part == "1000")
hex += '8';
else if (part == "1001")
hex += '9';
else if (part == "1010")
hex += 'a';
else if (part == "1011")
hex += 'b';
else if (part == "1100")
hex += 'c';
else if (part == "1101")
hex += 'd';
else if (part == "1110")
hex += 'e';
else if (part == "1111")
hex += 'f';
}
return hex;
}
string float2bin(float num, int length)
{
// This is 16 bits, 6 bits is the decimal
string bin;
num = num*64;
int16_t temp = (int16_t)num;
return int2bin(temp, length);
}
string hex2bin(string hex)
{
hex = strtolower(hex);
string bin;
for (int n = 0; n < hex.length(); n++)
{
switch (hex[n])
{
case '0': bin += "0000"; break;
case '1': bin += "0001"; break;
case '2': bin += "0010"; break;
case '3': bin += "0011"; break;
case '4': bin += "0100"; break;
case '5': bin += "0101"; break;
case '6': bin += "0110"; break;
case '7': bin += "0111"; break;
case '8': bin += "1000"; break;
case '9': bin += "1001"; break;
case 'a': bin += "1010"; break;
case 'b': bin += "1011"; break;
case 'c': bin += "1100"; break;
case 'd': bin += "1101"; break;
case 'e': bin += "1110"; break;
case 'f': bin += "1111"; break;
}
}
return bin;
}
string uint2bin(unsigned int num, int length)
{
string bin;
while (num)
{
bin = char((num&1)+'0') + bin;
num >>= 1;
}
while (bin.size() < length)
bin = "0" + bin;
string bin2;
for (int i = 0; i < length; i++)
{
bin2 = bin2 + bin[i];
}
return bin2;
}
string int2bin(int num, int length)
{
string bin;
if (num < 0) {
num *= -1;
num -= 1;
while (num)
{
bin = char((num&1)+'0') + bin;
num >>= 1;
}
while (bin.size() < length)
bin = "0" + bin;
for (int i = 0; i < length; i++)
{
if (bin[i] == '0')
bin[i] = '1';
else
bin[i] = '0';
}
} else {
while (num)
{
bin = char((num&1)+'0') + bin;
num >>= 1;
}
while (bin.size() < length)
bin = "0" + bin;
}
string bin2;
for (int i = 0; i < length; i++)
{
bin2 = bin2 + bin[i];
}
return bin2;
}
string int2hex(int num, int length)
{
return bin2hex(int2bin(num, length));
}
string uint2hex(unsigned int num, int length)
{
return bin2hex(uint2bin(num, length));
}
vector<string> explode(string delimiter, string str)
{
vector<string> parts;
string::size_type startPos = 0;
string::size_type endPos = 0;
while ((endPos = str.find(delimiter, startPos)) != string::npos)
{
try
{
parts.push_back(str.substr(startPos, endPos-startPos));
}
catch (std::out_of_range& e)
{
cout << "DEBUG: explode exception: " << e.what() << "\n";
cout << "DEBUG: A str=" << str << " :: startPos=" << startPos << " :: endPos=" << endPos << endl;
continue;
}
startPos = endPos+delimiter.length();
}
if (startPos < str.length())
{
try
{
parts.push_back(str.substr(startPos, str.length()-startPos));
}
catch (std::out_of_range& e)
{
cout << "DEBUG: explode exception: " << e.what() << "\n";
cout << "DEBUG: B str=" << str << " :: startPos=" << startPos << " :: endPos=" << endPos << endl;
}
}
return parts;
}
string strtoupper(string s)
{
for (unsigned int n = 0; n < s.size(); n++)
s[n] = (char)toupper(s[n]);
return s;
}
string strtolower(string s)
{
for (unsigned int n = 0; n < s.size(); n++)
s[n] = (char)tolower(s[n]);
return s;
}
string trim(string s)
{
return trim(s, ' ');
}
string trim(const string s, char c)
{
string result = s;
while (result[0] == c)
result.erase(0, 1);
while (result[result.length()-1] == c)
result.erase(result.length()-1, 1);
return result;
}
int stoi(const string s)
{
istringstream in(s);
int i;
in >> i;
return i;
}
string itos(int i)
{
ostringstream out;
out << i;
return out.str();
}
unsigned int stou(const string s)
{
istringstream in(s);
unsigned int i;
in >> i;
return i;
}
string utos(unsigned int i)
{
ostringstream out;
out << i;
return out.str();
}
float stof(const string s)
{
istringstream in(s);
float f;
in >> f;
return f;
}
string ftos(float f)
{
ostringstream out;
out << f;
return out.str();
}
string str_replace(string search, string replace, string str)
{
vector<string> parts = explode(search, str);
string result;
for (int n = 0; n < parts.size(); n++)
{
result += parts[n];
if (n < parts.size()-1)
result += replace;
}
return result;
}
string file_get_contents(string filename)
{
ifstream srcfile(filename.c_str());
if (!srcfile.is_open())
{
srcfile.close();
return "";
}
string buffer = "";
string line;
while (!srcfile.eof())
{
getline(srcfile, line);
if (srcfile.eof())
break;
buffer += line + "\n";
};
srcfile.close();
return buffer;
}
bool file_exists(string filename)
{
ifstream file(filename.c_str());
if (file.is_open())
{
file.close();
return true;
}
return false;
}
string escape(string in)
{
string out;
for (int n = 0; n < in.length(); n++)
{
switch (in[n])
{
case '\r':
break;
case '\n':
out += "\\n";
break;
case '\'':
out += "\\'";
break;
case '\\':
out += "\\\\";
break;
case '"':
out += "\\\"";
break;
default:
out += in[n];
break;
}
}
return out;
}
string rpad(string in, int length, char c)
{
while (in.length() < length)
{
in += c;
}
return in;
}
string lpad(string in, int length, char c)
{
while (in.length() < length)
{
in = c + in;
}
return in;
}