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1//
2//  ANTLRRuleMapElement.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 "ANTLRRuleMapElement.h"
33
34
35@implementation ANTLRRuleMapElement
36
37@synthesize ruleNum;
38
39+ (ANTLRRuleMapElement *)newANTLRRuleMapElement
40{
41    return [[ANTLRRuleMapElement alloc] init];
42}
43
44+ (ANTLRRuleMapElement *)newANTLRRuleMapElementWithIndex:(NSNumber *)aNumber
45{
46    return [[ANTLRRuleMapElement alloc] initWithAnIndex:(NSNumber *)aNumber];
47}
48
49+ (ANTLRRuleMapElement *)newANTLRRuleMapElementWithIndex:(NSNumber *)aNumber RuleNum:(NSNumber *)aRuleNum
50{
51    return [[ANTLRRuleMapElement alloc] initWithAnIndex:aNumber RuleNum:aRuleNum];
52}
53
54- (id) init
55{
56    if ((self = [super init]) != nil ) {
57        index = nil;
58        ruleNum = nil;
59    }
60    return (self);
61}
62
63- (id) initWithAnIndex:(NSNumber *)aNumber
64{
65    if ((self = [super initWithAnIndex:aNumber]) != nil ) {
66        ruleNum = nil;
67    }
68    return (self);
69}
70
71- (id) initWithAnIndex:(NSNumber *)aNumber RuleNum:(NSNumber *)aRuleNum
72{
73    if ((self = [super initWithAnIndex:aNumber]) != nil ) {
74        [aRuleNum retain];
75        ruleNum = aRuleNum;
76    }
77    return (self);
78}
79
80- (id) copyWithZone:(NSZone *)aZone
81{
82    ANTLRRuleMapElement *copy;
83
84    copy = [super copyWithZone:aZone];
85    copy.ruleNum = ruleNum;
86    return( copy );
87}
88
89- (id)getRuleNum
90{
91    return ruleNum;
92}
93
94- (void)setRuleNum:(id)aRuleNum
95{
96    if ( aRuleNum != ruleNum ) {
97        if ( ruleNum ) [ruleNum release];
98        [aRuleNum retain];
99    }
100    ruleNum = aRuleNum;
101}
102
103- (NSInteger)size
104{
105    NSInteger aSize = 0;
106    if (ruleNum != nil) aSize++;
107    if (index != nil) aSize++;
108    return( aSize );
109}
110
111@end
112