1//
 2// Licensed under the terms in License.txt
 3//
 4// Copyright 2010 Allen Ding. All rights reserved.
 5//
 6
 7#import "KWItNode.h"
 8#import "KWExampleNodeVisitor.h"
 9#import "KWExample.h"
10#import "KWVerifying.h"
11#import "KWContextNode.h"
12
13@interface KWItNode ()
14
15@property (nonatomic, retain, readwrite) KWContextNode *context;
16
17@end
18
19@implementation KWItNode
20
21@synthesize context = _context;
22@synthesize example;
23
24#pragma mark -
25#pragma mark Initializing
26
27+ (id)itNodeWithCallSite:(KWCallSite *)aCallSite 
28             description:(NSString *)aDescription 
29                 context:(KWContextNode *)context 
30                   block:(KWVoidBlock)aBlock;
31{
32    KWItNode *itNode = [[self alloc] initWithCallSite:aCallSite description:aDescription block:aBlock];
33    itNode.context = context;
34    return [itNode autorelease];
35}
36
37#pragma mark -
38#pragma mark Accepting Visitors
39
40- (void)acceptExampleNodeVisitor:(id<KWExampleNodeVisitor>)aVisitor {
41    [aVisitor visitItNode:self];
42}
43
44#pragma mark -
45#pragma mark Runtime Description support
46
47- (NSString *)description
48{
49  NSString *description = [super description];
50  if (description == nil) {
51    description = [self.example generateDescriptionForAnonymousItNode];
52  }
53  return description;
54}
55
56#pragma mark -
57#pragma mark - Accessing the context stack
58
59- (NSArray *)contextStack
60{
61  NSMutableArray *contextStack = [NSMutableArray array];
62  
63  KWContextNode *currentContext = _context;
64  
65  while (currentContext) {
66    [contextStack addObject:currentContext];
67    currentContext = currentContext.parentContext;
68  }
69  return contextStack;
70}
71
72@end