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#include <iostream>
#include <vector>
#include <string>
#include <botan/pipe.h>
#include <botan/hex.h>
using namespace Botan;
void strip_comments(std::string& line)
{
if(line.find('#') != std::string::npos)
line = line.erase(line.find('#'), std::string::npos);
}
void strip_newlines(std::string& line)
{
while(line.find('\n') != std::string::npos)
line = line.erase(line.find('\n'), 1);
}
/* Strip comments, whitespace, etc */
void strip(std::string& line)
{
strip_comments(line);
while(line.find(' ') != std::string::npos)
line = line.erase(line.find(' '), 1);
while(line.find('\t') != std::string::npos)
line = line.erase(line.find('\t'), 1);
}
SecureVector<byte> decode_hex(const std::string& in)
{
SecureVector<byte> result;
try {
Botan::Pipe pipe(new Botan::Hex_Decoder);
pipe.process_msg(in);
result = pipe.read_all();
}
catch(std::exception& e)
{
result.destroy();
}
return result;
}
std::string hex_encode(const byte in[], u32bit len)
{
Botan::Pipe pipe(new Botan::Hex_Encoder);
pipe.process_msg(in, len);
return pipe.read_all_as_string();
}
std::vector<std::string> parse(const std::string& line)
{
const char DELIMITER = ':';
std::vector<std::string> substr;
std::string::size_type start = 0, end = line.find(DELIMITER);
while(end != std::string::npos)
{
substr.push_back(line.substr(start, end-start));
start = end+1;
end = line.find(DELIMITER, start);
}
if(line.size() > start)
substr.push_back(line.substr(start));
while(substr.size() <= 4) // at least 5 substr, some possibly empty
substr.push_back("");
return substr;
}
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