1 // [The "BSD licence"]
2 // Copyright (c) 2006-2007 Kay Roepke
3 // All rights reserved.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions
7 // are met:
8 // 1. Redistributions of source code must retain the above copyright
9 //    notice, this list of conditions and the following disclaimer.
10 // 2. Redistributions in binary form must reproduce the above copyright
11 //    notice, this list of conditions and the following disclaimer in the
12 //    documentation and/or other materials provided with the distribution.
13 // 3. The name of the author may not be used to endorse or promote products
14 //    derived from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 
27 #import <Foundation/Foundation.h>
28 #import "DebugEventListener.h"
29 #import "TreeAdaptor.h"
30 #import "TreeNodeStream.h"
31 
32 @interface DebugTreeNodeStream : NSObject <TreeNodeStream> {
33 	id<DebugEventListener> debugListener;
34 	id<TreeAdaptor> treeAdaptor;
35 	id<TreeNodeStream> input;
36 	BOOL initialStreamState;
37 }
38 
39 - (id) initWithTreeNodeStream:(id<TreeNodeStream>)theStream debugListener:(id<DebugEventListener>)debugger;
40 
41 - (id<DebugEventListener>) debugListener;
42 - (void) setDebugListener: (id<DebugEventListener>) aDebugListener;
43 
44 - (id<TreeNodeStream>) input;
45 - (void) setInput: (id<TreeNodeStream>) aTreeNodeStream;
46 
47 - (id<TreeAdaptor>) getTreeAdaptor;
48 - (void) setTreeAdaptor: (id<TreeAdaptor>) aTreeAdaptor;
49 
50 #pragma mark TreeNodeStream conformance
51 
52 - (id) LT:(NSInteger)k;
53 - (id<TreeAdaptor>) getTreeAdaptor;
54 - (void) setUniqueNavigationNodes:(BOOL)flag;
55 
56 #pragma mark IntStream conformance
57 - (void) consume;
58 - (NSInteger) LA:(NSUInteger) i;
59 - (NSUInteger) mark;
60 - (NSUInteger) getIndex;
61 - (void) rewind:(NSUInteger) marker;
62 - (void) rewind;
63 - (void) release:(NSUInteger) marker;
64 - (void) seek:(NSUInteger) index;
65 - (NSUInteger) size;
66 
67 @end
68