text: //  Copyright 2014 Zwopple Limited
  //
  //  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>
  
  
  @interface PSWebSocketBuffer : NSObject
  
  #pragma mark - Properties
  
  @property (nonatomic, assign) NSInteger offset;
  @property (nonatomic, assign) NSUInteger compactionLength;
  
  #pragma mark - Actions
  
  - (BOOL)hasBytesAvailable;
  - (NSUInteger)bytesAvailable;
  - (void)appendData:(NSData *)data;
  - (void)appendBytes:(const void *)bytes length:(NSUInteger)length;
  - (void)compact;
  - (void)reset;
  - (const void *)bytes;
  - (void *)mutableBytes;
  - (NSData *)data;
  
  @end
  