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1//
2//  RuleMapElement.m
3//  ANTLR
4//
5//  Created by Alan Condit on 6/16/10.
6// [The "BSD licence"]
7// Copyright (c) 2010 Alan Condit
8// All rights reserved.
9//
10// Redistribution and use in source and binary forms, with or without
11// modification, are permitted provided that the following conditions
12// are met:
13// 1. Redistributions of source code must retain the above copyright
14//    notice, this list of conditions and the following disclaimer.
15// 2. Redistributions in binary form must reproduce the above copyright
16//    notice, this list of conditions and the following disclaimer in the
17//    documentation and/or other materials provided with the distribution.
18// 3. The name of the author may not be used to endorse or promote products
19//    derived from this software without specific prior written permission.
20//
21// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32#import "ACNumber.h"
33#import "RuleMapElement.h"
34
35
36@implementation RuleMapElement
37
38@synthesize ruleNum;
39
40+ (RuleMapElement *)newRuleMapElement
41{
42    return [[RuleMapElement alloc] init];
43}
44
45+ (RuleMapElement *)newRuleMapElementWithIndex:(ACNumber *)aNumber
46{
47    return [[RuleMapElement alloc] initWithAnIndex:(ACNumber *)aNumber];
48}
49
50+ (RuleMapElement *)newRuleMapElementWithIndex:(ACNumber *)aNumber RuleNum:(ACNumber *)aRuleNum
51{
52    return [[RuleMapElement alloc] initWithAnIndex:aNumber RuleNum:aRuleNum];
53}
54
55- (id) init
56{
57    if ((self = [super init]) != nil ) {
58        index = nil;
59        ruleNum = nil;
60    }
61    return (self);
62}
63
64- (id) initWithAnIndex:(ACNumber *)aNumber
65{
66    if ((self = [super initWithAnIndex:aNumber]) != nil ) {
67        ruleNum = nil;
68    }
69    return (self);
70}
71
72- (id) initWithAnIndex:(ACNumber *)aNumber RuleNum:(ACNumber *)aRuleNum
73{
74    if ((self = [super initWithAnIndex:aNumber]) != nil ) {
75        [aRuleNum retain];
76        ruleNum = aRuleNum;
77    }
78    return (self);
79}
80
81- (id) copyWithZone:(NSZone *)aZone
82{
83    RuleMapElement *copy;
84
85    copy = [super copyWithZone:aZone];
86    copy.ruleNum = ruleNum;
87    return( copy );
88}
89
90- (id)getRuleNum
91{
92    return ruleNum;
93}
94
95- (void)setRuleNum:(id)aRuleNum
96{
97    if ( aRuleNum != ruleNum ) {
98        if ( ruleNum ) [ruleNum release];
99        [aRuleNum retain];
100    }
101    ruleNum = aRuleNum;
102}
103
104- (NSInteger)size
105{
106    NSInteger aSize = 0;
107    if (ruleNum != nil) aSize++;
108    if (index != nil) aSize++;
109    return( aSize );
110}
111
112@end
113