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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 <Foundation/Foundation.h>
#import <ParseKit/PKTokenizerState.h>
/*!
@class PKNumberState
@brief A number state returns a number from a reader.
@details This state's idea of a number allows an optional, initial minus sign, followed by one or more digits. A decimal point and another string of digits may follow these digits.
If <tt>allowsScientificNotation</tt> is true (the default) this state allows 'e' or 'E' followed by an (optionally explicityly positive or negative) integer to represent 10 to the indicated power. For example, this state will recognize <tt>1e2</tt> as equaling <tt>100</tt>.</p>
*/
@interface PKNumberState : PKTokenizerState {
BOOL allowsTrailingDot;
BOOL gotADigit;
BOOL negative;
PKUniChar c;
CGFloat floatValue;
}
/*!
@property allowsTrailingDot
@brief If true, numbers are allowed to end with a trialing dot, e.g. <tt>42.<tt>
@details false by default.
*/
@property (nonatomic) BOOL allowsTrailingDot;
@end
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