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1 //
2 //  HashRule.h
3 //  ANTLR
4 //
5 // Copyright (c) 2010 Alan Condit
6 // All rights reserved.
7 //
8 // Redistribution and use in source and binary forms, with or without
9 // modification, are permitted provided that the following conditions
10 // are met:
11 // 1. Redistributions of source code must retain the above copyright
12 //    notice, this list of conditions and the following disclaimer.
13 // 2. Redistributions in binary form must reproduce the above copyright
14 //    notice, this list of conditions and the following disclaimer in the
15 //    documentation and/or other materials provided with the distribution.
16 // 3. The name of the author may not be used to endorse or promote products
17 //    derived from this software without specific prior written permission.
18 //
19 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 
30 #import <Foundation/Foundation.h>
31 #import "ACNumber.h"
32 #import "RuleMemo.h"
33 #import "PtrBuffer.h"
34 
35 #define GLOBAL_SCOPE       0
36 #define LOCAL_SCOPE        1
37 #define HASHSIZE         101
38 #define HBUFSIZE      0x2000
39 
40 @interface HashRule : PtrBuffer {
41     //    TStringPool *fPool;
42     NSInteger LastHash;
43     NSInteger mode;
44 }
45 
46 // Contruction/Destruction
47 + (id)newHashRule;
48 + (id)newHashRuleWithLen:(NSInteger)aBuffSize;
49 - (id)init;
50 - (id)initWithLen:(NSInteger)aBuffSize;
51 - (void)dealloc;
52 
53 - (NSInteger)count;
54 - (NSInteger)length;
55 - (NSInteger)size;
56 
57 // Instance Methods
58 - (void)deleteHashRule:(RuleMemo *)np;
59 - (void)delete_chain:(RuleMemo *)np;
60 - (RuleMemo **)getPtrBuffer;
61 - (void)setPtrBuffer:(RuleMemo **)np;
62 - (ACNumber *)getRuleMemoStopIndex:(NSInteger)aStartIndex;
63 - (void)putRuleMemoAtStartIndex:(NSInteger)aStartIndex StopIndex:(NSInteger)aStopIndex;
64 - (NSInteger)getMode;
65 - (void)setMode:(NSInteger)aMode;
66 - (void) insertObject:(RuleMemo *)aRule atIndex:(NSInteger)Index;
67 - (RuleMemo *) objectAtIndex:(NSInteger)Index;
68 
69 @property (getter=getLastHash, setter=setLastHash:) NSInteger LastHash;
70 @property (getter=getMode,setter=setMode:) NSInteger mode;
71 @end
72