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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 "MLKBinaryStreamCharacterStream.h"
#import "runtime-compatibility.h"
#import "util.h"
#import <Foundation/NSException.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
@implementation MLKBinaryStreamCharacterStream
-(id) initWithBinaryStream:(MLKBinaryStream *)binaryStream
{
return [self initWithBinaryStream:binaryStream
encoding:NSUTF8StringEncoding];
}
-(id) initWithBinaryStream:(MLKBinaryStream *)binaryStream
encoding:(NSStringEncoding)encoding
{
self = [super init];
LASSIGN (_binaryStream, binaryStream);
_encoding = encoding;
return self;
}
-(unichar) readCharNoCache
{
uint8_t *buffer;
size_t i;
unichar retval;
buffer = NULL;
for (i = 0;; i++)
{
NSString *tmpstr;
//NSLog (@"%@", _input);
buffer = (uint8_t *) realloc (buffer, i+1);
buffer[i] = [_binaryStream readOctet];
tmpstr = [[NSString alloc] initWithBytes:buffer
length:(i+1)
encoding:_encoding];
if ([tmpstr length] == 1)
{
retval = [tmpstr characterAtIndex:0];
[tmpstr release];
//FIXME: ? free (buffer);
return retval;
}
else
{
[tmpstr release];
}
}
return -1;
}
-(void) writeChar:(unichar)ch
{
const void *cstring = [[NSString stringWithFormat:@"%C", ch] cStringUsingEncoding:_encoding];
const char *c;
for (c = cstring; *c; c++)
{
[_binaryStream writeOctet:*c];
}
}
@end
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