1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* -*- 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;
buffer = (uint8_t *) realloc (buffer, i+1);
buffer[i] = [_binaryStream readOctet];
//NSLog (@"%@", _binaryStream);
//NSLog(@"Read: 0x%x (%C)", buffer[i], buffer[i]);
tmpstr = [[NSString alloc] initWithBytesNoCopy:buffer
length:(i+1)
encoding:_encoding
freeWhenDone:NO];
if ([tmpstr length] == 1)
{
retval = [tmpstr characterAtIndex:0];
[tmpstr release];
//NSLog(@"Finished reading char: 0x%x (%C)", retval, retval);
//FIXME: ? free (butval);
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
|
