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/* -*- mode: objc; coding: utf-8 -*- */
/* Toilet Lisp, a Common Lisp subset for the Étoilé runtime.
* Copyright (C) 2008 Matthias Andreas Benkard.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#import "MLKFileHandleStream.h"
#import "MLKStreamError.h"
#import "runtime-compatibility.h"
#import "util.h"
#import <Foundation/NSData.h>
#import <Foundation/NSException.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
@implementation MLKFileHandleStream
-(id) initWithFileHandle:(NSFileHandle *)fileHandle
{
return [self initWithFileHandle:fileHandle
closeWhenDone:NO];
}
-(id) initWithFileHandle:(NSFileHandle *)fileHandle
closeWhenDone:(BOOL)closeWhenDone
{
self = [super init];
LASSIGN (_fileHandle, fileHandle);
_closeWhenDone = closeWhenDone;
return self;
}
-(uint8_t) readOctet
{
NSData *data;
data = [_fileHandle readDataOfLength:1];
if ([data length] == 0)
{
@throw LAUTORELEASE ([[MLKStreamError alloc] initWithStream:self]);
}
return *(uint8_t*)[data bytes];
}
-(void) writeOctet:(uint8_t)octet
{
[_fileHandle writeData:[NSData dataWithBytesNoCopy:&octet
length:1
freeWhenDone:NO]];
}
-(void) dealloc
{
if (_closeWhenDone)
{
[_fileHandle closeFile];
}
LDESTROY (_fileHandle);
[super dealloc];
}
@end
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