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// Copyright 2015 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 CHROMEOS_BINDER_BUFFER_READER_H_
#define CHROMEOS_BINDER_BUFFER_READER_H_
#include <stddef.h>
#include "base/macros.h"
#include "chromeos/chromeos_export.h"
namespace binder {
// BufferReader reads data from the given buffer.
class CHROMEOS_EXPORT BufferReader {
public:
BufferReader(const char* data, size_t size);
~BufferReader();
const char* data() const { return data_; }
size_t size() const { return size_; }
const char* current() const { return current_; }
// Returns true when there is some data to read.
bool HasMoreData() const;
// Copies the specified number of bytes from the buffer to |out|.
// |out| shouldn't overlap with |data_|.
bool Read(void* out, size_t num_bytes);
// Moves the position |num_bytes| forward.
bool Skip(size_t num_bytes);
private:
const char* data_;
size_t size_;
const char* current_;
DISALLOW_COPY_AND_ASSIGN(BufferReader);
};
} // namespace binder
#endif // CHROMEOS_BINDER_BUFFER_READER_H_
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