Remove //net (except for Android test stuff) and sdch

net/websockets/websocket_inflater.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_WEBSOCKETS_WEBSOCKET_INFLATER_H_
-#define NET_WEBSOCKETS_WEBSOCKET_INFLATER_H_
-
-#include <deque>
-#include <utility>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "net/base/net_export.h"
-
-extern "C" struct z_stream_s;
-
-namespace net {
-
-class IOBufferWithSize;
-
-// WebSocketInflater uncompresses data compressed by DEFLATE algorithm.
-class NET_EXPORT_PRIVATE WebSocketInflater {
- public:
-  WebSocketInflater();
-  // |input_queue_capacity| is a capacity for each contiguous block in the
-  // input queue. The input queue can grow without limit.
-  WebSocketInflater(size_t input_queue_capacity, size_t output_buffer_capacity);
-  ~WebSocketInflater();
-
-  // Returns true if there is no error.
-  // |window_bits| must be between 8 and 15 (both inclusive).
-  // This function must be called exactly once before calling any of the
-  // following functions.
-  bool Initialize(int window_bits);
-
-  // Adds bytes to |stream_|.
-  // Returns true if there is no error.
-  // If the size of the output data reaches the capacity of the output buffer,
-  // the following input data will be "choked", i.e. stored in the input queue,
-  // staying compressed.
-  bool AddBytes(const char* data, size_t size);
-
-  // Flushes the input.
-  // Returns true if there is no error.
-  bool Finish();
-
-  // Returns up to |size| bytes of the decompressed output.
-  // Returns null if there is an inflation error.
-  // The returned bytes will be dropped from the current output and never be
-  // returned again.
-  // If some input data is choked, calling this function may restart the
-  // inflation process.
-  // This means that even if you call |Finish()| and call |GetOutput()| with
-  // size = |CurrentOutputSize()|, the inflater may have some remaining data.
-  // To confirm the inflater emptiness, you should check whether
-  // |CurrentOutputSize()| is zero.
-  scoped_refptr<IOBufferWithSize> GetOutput(size_t size);
-
-  // Returns the size of the current inflated output.
-  size_t CurrentOutputSize() const { return output_buffer_.Size(); }
-
-  static const size_t kDefaultBufferCapacity = 512;
-  static const size_t kDefaultInputIOBufferCapacity = 512;
-
- private:
-  // Ring buffer with fixed capacity.
-  class NET_EXPORT_PRIVATE OutputBuffer {
-   public:
-    explicit OutputBuffer(size_t capacity);
-    ~OutputBuffer();
-
-    size_t Size() const;
-    // Returns (tail pointer, availabe size).
-    // A user can push data to the queue by writing the data to
-    // the area returned by this function and calling AdvanceTail.
-    std::pair<char*, size_t> GetTail();
-    void Read(char* dest, size_t size);
-    void AdvanceTail(size_t advance);
-
-   private:
-    void AdvanceHead(size_t advance);
-
-    const size_t capacity_;
-    std::vector<char> buffer_;
-    size_t head_;
-    size_t tail_;
-  };
-
-  class InputQueue {
-   public:
-    // |capacity| is used for the capacity of each IOBuffer in this queue.
-    // this queue itself can grow without limit.
-    explicit InputQueue(size_t capacity);
-    ~InputQueue();
-
-    // Returns (data pointer, size), the first component of unconsumed data.
-    // The type of data pointer is non-const because |inflate| function
-    // requires so.
-    std::pair<char*, size_t> Top();
-    bool IsEmpty() const { return buffers_.empty(); }
-    void Push(const char* data, size_t size);
-    // Consumes the topmost |size| bytes.
-    // |size| must be less than or equal to the first buffer size.
-    void Consume(size_t size);
-
-   private:
-    size_t PushToLastBuffer(const char* data, size_t size);
-
-    const size_t capacity_;
-    size_t head_of_first_buffer_;
-    size_t tail_of_last_buffer_;
-    std::deque<scoped_refptr<IOBufferWithSize> > buffers_;
-  };
-
-  int InflateWithFlush(const char* next_in, size_t avail_in);
-  int Inflate(const char* next_in, size_t avail_in, int flush);
-  int InflateChokedInput();
-
-  scoped_ptr<z_stream_s> stream_;
-  InputQueue input_queue_;
-  OutputBuffer output_buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebSocketInflater);
-};
-
-}  // namespace net
-
-#endif  // NET_WEBSOCKETS_WEBSOCKET_INFLATER_H_