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// Copyright 2010 Todd Ditchendorf
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import "PKTokenNode.h"
#import <ParseKit/PKToken.h>
@interface PKTokenNode ()
@property (nonatomic, retain, readwrite) PKToken *token;
@end
@implementation PKTokenNode
+ (PKTokenNode *)tokenNodeWithToken:(PKToken *)s {
return [[[self alloc] initWithToken:s] autorelease];
}
- (id)initWithToken:(PKToken *)s {
self = [super init];
if (self) {
self.token = s;
}
return self;
}
- (void)dealloc {
self.token = nil;
[super dealloc];
}
- (id)copyWithZone:(NSZone *)zone {
PKTokenNode *n = [super copyWithZone:zone];
n->token = [token copyWithZone:zone];
return n;
}
//- (NSString *)description {
// return [NSString stringWithFormat:@"<PKTokenNode '%@'>", token];
//}
- (NSString *)treeDescription {
if (![children count]) {
return [token stringValue];
}
NSMutableString *ms = [NSMutableString string];
[ms appendFormat:@"(%@ ", [token stringValue]];
NSInteger i = 0;
for (PKParseTree *child in children) {
if (i++) {
[ms appendFormat:@" %@", [child treeDescription]];
} else {
[ms appendFormat:@"%@", [child treeDescription]];
}
}
[ms appendString:@")"];
return [[ms copy] autorelease];
}
@synthesize token;
@end