2 Copyright (C) 2000-2005 SKYRIX Software AG
4 This file is part of SOPE.
6 SOPE 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 SOPE 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 SOPE; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 #ifndef __NGStreams_NGStringTextStream_H__
23 #define __NGStreams_NGStringTextStream_H__
25 #include <NGStreams/NGTextStream.h>
26 #include <NGStreams/NGTextStreamProtocols.h>
31 A text stream which navigates inside an NSString or NSMutableString object.
34 @interface NGStringTextStream : NGTextStream
37 NSString *string; // retained
38 unsigned index; // position
42 + (id)textStreamWithString:(NSString *)_string;
43 - (id)initWithString:(NSString *)_string;
51 - (BOOL)close; // releases string
53 // NGTextInputStream, NGExtendedTextInputStream
55 - (unichar)readCharacter;
57 - (NSString *)readLineAsString; // inefficient implementation
59 // NGTextOutputStream, NGExtendedTextOutputStream
62 // NGReadOnlyStreamException when the stream is not writeable
63 // NGStreamNotOpenException when the stream is not open
64 - (BOOL)writeCharacter:(unichar)_character;
67 // NGReadOnlyStreamException when the stream is not writeable
68 // NGStreamNotOpenException when the stream is not open
69 - (BOOL)writeString:(NSString *)_string;
75 #endif /* __NGStreams_NGStringTextStream_H__ */