#include <zlib.h>

#include "compressor.h"
#include "dos_assert.h"

using namespace Network;
using namespace std;

string Compressor::compress_str( const string &input )
{
  long unsigned int len = BUFFER_SIZE;
  dos_assert( Z_OK == compress( buffer, &len,
				reinterpret_cast<const unsigned char *>( input.data() ),
				input.size() ) );
  return string( reinterpret_cast<char *>( buffer ), len );
}

string Compressor::uncompress_str( const string &input )
{
  long unsigned int len = BUFFER_SIZE;
  dos_assert( Z_OK == uncompress( buffer, &len,
				  reinterpret_cast<const unsigned char *>( input.data() ),
				  input.size() ) );
  return string( reinterpret_cast<char *>( buffer ), len );
}

/* construct on first use */
Compressor & Network::get_compressor( void )
{
  static Compressor the_compressor;
  return the_compressor;
}