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//============================================================================
//
// SSSS tt lll lll
// SS SS tt ll ll
// SS tttttt eeee ll ll aaaa
// SSSS tt ee ee ll ll aa
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2007 by Bradford W. Mott and the Stella team
//
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: Deserializer.cxx,v 1.12 2007/01/01 18:04:47 stephena Exp $
//============================================================================
#include "Deserializer.hxx"
#include <sstream>
using namespace std;
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Deserializer::Deserializer(const string stream_str):
myStream(stream_str) {
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void Deserializer::close(void)
{
myStream.clear();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
int Deserializer::getInt(void)
{
if(myStream.eof())
throw "Deserializer: end of file";
int val = 0;
unsigned char buf[4];
myStream.read((char*)buf, 4);
for(int i = 0; i < 4; ++i)
val += (int)(buf[i]) << (i<<3);
return val;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
string Deserializer::getString(void)
{
int len = getInt();
string str;
str.resize((string::size_type)len);
myStream.read(&str[0], (streamsize)len);
if(myStream.bad())
throw "Deserializer: file read failed";
return str;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool Deserializer::getBool(void)
{
bool result = false;
int b = getInt();
if(b == (int)TruePattern)
result = true;
else if(b == (int)FalsePattern)
result = false;
else
throw "Deserializer: data corruption";
return result;
}