//
//  MPTokenStream.h
//  MathPad
//
//  Created by Kim Wittenburg on 20.09.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "MPToken.h"

@interface MPTokenStream : NSObject

- (instancetype)initWithTokens:(NSArray *)tokens;

@property (nonatomic, copy) NSArray *tokens;
@property (nonatomic, getter=isIgnoringWhitespaceTokens) BOOL ignoringWhitespaceTokens; // Default: YES

@property (readonly, nonatomic) NSUInteger currentLocation;

- (void)reset;
- (BOOL)hasMoreTokens;

- (MPToken *)nextToken;
- (MPToken *)nextTokenOfType:(MPTokenType)type;

@end