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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 "TDBlobState.h"
#import <ParseKit/PKToken.h>
#import <ParseKit/PKReader.h>
#import "PKToken+Blob.h"
@interface PKToken ()
@property (nonatomic, readwrite) NSUInteger offset;
@end
@interface PKTokenizerState ()
- (void)resetWithReader:(PKReader *)r;
- (void)append:(PKUniChar)c;
- (NSString *)bufferedString;
@end
@implementation TDBlobState
- (PKToken *)nextTokenFromReader:(PKReader *)r startingWith:(PKUniChar)cin tokenizer:(PKTokenizer *)t {
NSParameterAssert(r);
[self resetWithReader:r];
PKUniChar c = cin;
do {
[self append:c];
c = [r read];
} while (PKEOF != c && !isspace(c));
if (PKEOF != c) {
[r unread];
}
PKToken *tok = [PKToken tokenWithTokenType:PKTokenTypeBlob stringValue:[self bufferedString] floatValue:0.0];
tok.offset = offset;
return tok;
}
@end
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