mirror of https://github.com/stella-emu/stella.git
Removed Deserializer class.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1848 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2009 by Bradford W. Mott and the Stella team
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//
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id$
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//============================================================================
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#include "Deserializer.hxx"
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Deserializer::Deserializer(void)
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{
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Deserializer::~Deserializer(void)
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{
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close();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool Deserializer::open(const string& fileName)
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{
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close();
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myStream.open(fileName.c_str(), ios::in | ios::binary);
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return isOpen();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void Deserializer::close(void)
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{
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myStream.close();
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myStream.clear();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool Deserializer::isOpen(void)
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{
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return myStream.is_open();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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char Deserializer::getByte(void)
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{
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if(myStream.eof())
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throw "Deserializer: end of file";
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char buf[1];
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myStream.read(buf, 1);
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return buf[0];
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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int Deserializer::getInt(void)
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{
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if(myStream.eof())
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throw "Deserializer: end of file";
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int val = 0;
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unsigned char buf[4];
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myStream.read((char*)buf, 4);
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for(int i = 0; i < 4; ++i)
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val += (int)(buf[i]) << (i<<3);
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return val;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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string Deserializer::getString(void)
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{
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int len = getInt();
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string str;
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str.resize((string::size_type)len);
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myStream.read(&str[0], (streamsize)len);
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if(myStream.bad())
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throw "Deserializer: file read failed";
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return str;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool Deserializer::getBool(void)
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{
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bool result = false;
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char b = getByte();
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if(b == (char)TruePattern)
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result = true;
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else if(b == (char)FalsePattern)
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result = false;
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else
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throw "Deserializer: data corruption";
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return result;
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}
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@ -1,110 +0,0 @@
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2009 by Bradford W. Mott and the Stella team
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//
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id$
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//============================================================================
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#ifndef DESERIALIZER_HXX
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#define DESERIALIZER_HXX
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#include <fstream>
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#include "bspf.hxx"
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/**
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This class implements a Deserializer device, whereby data is
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deserialized from an input binary file in a system-independent
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way.
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All bytes and ints should be cast to their appropriate data type upon
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method return.
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@author Stephen Anthony
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@version $Id$
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*/
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class Deserializer
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{
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public:
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/**
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Creates a new Deserializer device.
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Open must be called with a valid file before this Deserializer can
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be used.
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*/
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Deserializer(void);
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/**
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Destructor
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*/
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virtual ~Deserializer(void);
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public:
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/**
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Opens the given file for input. Multiple calls to this method
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will close previously opened files.
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@param fileName The filename to get the deserialized data from.
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@return Result of opening the file. True on success, false on failure
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*/
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bool open(const string& fileName);
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/**
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Closes the current input stream.
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*/
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void close(void);
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/**
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Answers whether the deserializer is currently opened
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*/
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bool isOpen(void);
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/**
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Reads a byte value (8-bit) from the current input stream.
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@result The char value which has been read from the stream.
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*/
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char getByte(void);
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/**
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Reads an int value (32-bit) from the current input stream.
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@result The int value which has been read from the stream.
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*/
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int getInt(void);
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/**
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Reads a string from the current input stream.
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@result The string which has been read from the stream.
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*/
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string getString(void);
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/**
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Reads a boolean value from the current input stream.
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@result The boolean value which has been read from the stream.
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*/
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bool getBool(void);
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private:
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// The stream to get the deserialized data from.
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fstream myStream;
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enum {
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TruePattern = 0xfe,
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FalsePattern = 0x01
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};
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};
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#endif
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