StringUtilities.hpp

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#ifndef STRINGUTILITIES_HPP_
#define STRINGUTILITIES_HPP_
#include <string>
#include <sstream>

namespace labust
{
  namespace tools
  {
    inline std::string chomp(std::string& main, const char token = ',')
    {
      int pos=int(main.find(token));
      std::string part=main.substr(0,pos);
      main.erase(0,pos + (pos != -1));
      return part;
    }
    template <class MyType>
    inline std::string to_string(MyType value)
    {
      std::stringstream out;
      out.precision(6);
      out<<std::fixed<<value;
      return out.str();
    }
    inline unsigned char getChecksum(const unsigned char* const data, size_t len)
    {
      unsigned char calc = 0;
      for (size_t i=0; i<len; ++i){calc^=data[i];};
      return calc;
    }
    template <class Iterator>
    inline void binaryToHex(const Iterator& start, const Iterator& end, std::string* data)
    {
        static const char* hex_array = "0123456789ABCDEF";

        for(Iterator it=start; it != end; ++it)
        {
                int v = (*it) & 0xFF;
                data->push_back(hex_array[v >> 4]);
                data->push_back(hex_array[v & 0x0F]);
        }
    }
    template <class Iterator, class Stream>
    inline void binaryToHex(const Iterator& start, const Iterator& end, Stream& data)
    {
        static const char* hex_array = "0123456789ABCDEF";

        for(Iterator it=start; it != end; ++it)
        {
                int v = (*it) & 0xFF;
                data<<hex_array[v >> 4]<<hex_array[v & 0x0F];
        }
    }
    template <class Iterator>
    inline void hexToBinary(const std::string& data,
                                const Iterator& start, const Iterator& end)
    {
        Iterator it(start);
        int temp(0);
        std::stringstream t;
        for(int i=0; i<data.size()/2; ++i,++it)
        {
                if (it == end) break;
                t<<data[2*i]<<data[2*i+1];
                t>>std::hex>>temp;
                t.str("");
                *it = temp;
        }
    }
    template <class IteratorIn, class OutVector>
    inline void hexToBinary(const IteratorIn& instart, const IteratorIn& inend,
                                OutVector* out)
    {
        int temp(0);
        for(IteratorIn it=instart;
                 it != inend; ++it)
        {
                std::stringstream t;
                t<<*it;
                if (++it == inend) break;
                t<<*it;
                t>>std::hex>>temp;
                out->push_back(temp);
        }
    }
  }
}
/* STRINGUTILITIES_HPP_ */
#endif