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/*C* $Id: file.h,v 1.3 1997/08/19 08:33:06 james Exp $
*
* Hatman - The Game of Kings
* Copyright (C) 1997 James Pharaoh & Timothy Fisken
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*C*/
#ifndef file_h
#define file_h
#include "error.h"
#include "Object.h"
#include <stdio.h>
#include <sys/types.h>
class File : public Object
{
public:
File();
File(const char* filename, const char* mode);
File(FILE* _fp);
#ifndef NDEBUG
File(File& object); // This fatal(...)s, 'cos it's silly
#endif
virtual ~File();
operator FILE* () { return fp; }
operator bool () { return fp? true : false; }
bool ok() { return fp ? true : false; }
File& operator = (FILE* _fp) { close(); fp = _fp; return *this; }
virtual int close();
virtual FILE* open(const char* filename, const char* mode);
bool read(void *data, size_t size);
bool write(const void *data, size_t size);
size_t read(void* data, size_t size, size_t count) { return fread(data, size, count, fp); }
size_t write(const void* data, size_t size, size_t count) { return fwrite(data, size, count, fp); }
bool read(int& i) { return read(&i, sizeof(i)); }
bool write(const int& i) { return write(&i, sizeof(i)); }
int getChar() { return getc(fp); }
int unGetChar(int c) { return ungetc(c, fp); }
int scanf(const char* format, ...);
int seek(long int offset, int whence) { return fseek(fp, offset, whence); }
bool eof() { return feof(fp)? true : false; }
bool error() { return ferror(fp)? true : false; }
bool ready() { return (fp && !ferror(fp) && !feof(fp))? true : false; }
protected:
FILE* fp;
bool fpWantsClosing;
};
extern File fStdOut, fStdIn, fStdErr;
class Pipe : public File
{
public:
Pipe();
Pipe(const char* filename, const char* mode);
virtual int close();
virtual FILE* open(const char* filename, const char* mode);
};
class GzipPipe : public Pipe
{
public:
GzipPipe() : Pipe() {}
GzipPipe(const char* filename, const char* mode);
virtual FILE* open(const char* filename, const char* mode);
};
typedef bool (Object::*objectWriteFunc)(File& f);
typedef Object* (*objectCreateFunc)(File& f);
extern bool save(const char* filename, Object* object, objectWriteFunc write);
extern Object* load(const char* filename, objectCreateFunc create);
#endif
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