2 Copyright (C) 2000-2003 SKYRIX Software AG
4 This file is part of OGo
6 OGo is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 OGo is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with OGo; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #ifndef __NGStreams_NGTextStream_H__
24 #define __NGStreams_NGTextStream_H__
26 #import <Foundation/NSObject.h>
27 #include <NGStreams/NGTextStreamProtocols.h>
31 @interface NGTextStream : NSObject < NGExtendedTextStream >
34 NSException *lastException;
39 - (unichar)readCharacter; // abstract
40 - (NSException *)lastException;
41 - (void)setLastException:(NSException *)_exception;
42 - (void)resetLastException;
44 // NGExtendedTextInputStream
46 - (NSString *)readLineAsString; // inefficient
47 - (unsigned)readCharacters:(unichar *)_chars count:(unsigned)_count;
48 - (BOOL)safeReadCharacters:(unichar *)_chars count:(unsigned)_count;
52 - (BOOL)writeCharacter:(unichar)_character; // abstract
53 - (BOOL)writeString:(NSString *)_string; // writeCharacter: based
54 - (BOOL)flush; // does nothing
56 // NGExtendedTextOutputStream
58 - (BOOL)writeFormat:(NSString *)_format arguments:(va_list)_ap;
59 - (BOOL)writeFormat:(NSString *)_format, ...;
62 - (unsigned)writeCharacters:(const unichar *)_chars count:(unsigned)_count;
63 - (BOOL)safeWriteCharacters:(const unichar *)_chars count:(unsigned)_count;
67 #endif /* __NGStreams_NGTextStream_H__ */