//
//  DataQueue.h
//  MineHelmet
//
//  Created by Dylan Lukes on 10/25/10.
//  Copyright 2010 Dylan Lukes. All rights reserved.
//

#import <Cocoa/Cocoa.h>


@interface DataQueue : NSObject {
    NSMutableData *inData;
    NSData        *outData;
    // Indicates the farthest index not yet dequeued
    NSUInteger    offset;
}

// Appends data to the inData buffer
- (void)enqueueBytes:(const void *)bytes length:(NSUInteger)length;
- (void)enqueueData:(NSData*)data;
// Returns a pointer to the proper location in the outData
- (void)peekBytes:(const void **)data length:(NSUInteger *)length;
// Increments the offset
- (void)dequeueBytes:(NSInteger)amount;
// Returns whether there is more data.
- (BOOL)hasMoreData;

@end