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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 "MLKStreamError.h"
#import "MLKStreamStream.h"
#import "runtime-compatibility.h"
#import "util.h"
#import <Foundation/NSException.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
@implementation MLKStreamStream
-(id) init;
{
return [self initWithInputStream:nil outputStream:nil];
}
-(id) initWithInputStream:(NSInputStream *)input;
{
return [self initWithInputStream:input outputStream:nil];
}
-(id) initWithOutputStream:(NSOutputStream *)output;
{
return [self initWithInputStream:nil outputStream:output];
}
-(id) initWithInputStream:(NSInputStream *)input
outputStream:(NSOutputStream *)output
{
self = [super init];
LASSIGN (_input, input);
LASSIGN (_output, output);
_closeInputWhenDone = NO;
_closeOutputWhenDone = NO;
return self;
}
-(uint8_t) readOctet
{
uint8_t octet;
size_t bytes_read;
if ([_input streamStatus] == NSStreamStatusNotOpen)
{
_closeInputWhenDone = YES;
[_input open];
}
bytes_read = [_input read:&octet maxLength:1];
if (bytes_read < 1)
{
@throw LAUTORELEASE ([[MLKStreamError alloc] initWithStream:self]);
}
return octet;
}
-(void) writeOctet:(uint8_t)octet
{
if ([_output streamStatus] == NSStreamStatusNotOpen)
{
_closeOutputWhenDone = YES;
[_output open];
}
[_output write:&octet maxLength:1];
}
-(void) dealloc
{
if (_closeInputWhenDone)
{
[_input close];
}
LRELEASE (_input);
if (_closeOutputWhenDone)
{
[_output close];
}
LRELEASE (_output);
[super dealloc];
}
@end
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