NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks 		API Documentation
buffer.hpp
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4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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7  * ndn-cxx library is free software: you can redistribute it and/or modify it under the
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21  * @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
22  */
23 
24 #ifndef NDN_ENCODING_BUFFER_HPP
25 #define NDN_ENCODING_BUFFER_HPP
26 
27 #include "ndn-cxx/detail/common.hpp"
28 
29 #include <vector>
30 
31 namespace ndn {
32 
40 class Buffer : public std::vector<uint8_t>
41 {
42 public:
45  Buffer() = default;
46 
49  Buffer(const Buffer&);
50 
53  Buffer&
54  operator=(const Buffer&);
55 
58  Buffer(Buffer&&) noexcept;
59 
62  Buffer&
63  operator=(Buffer&&) noexcept;
64 
68  explicit
69  Buffer(size_t size)
70  : std::vector<uint8_t>(size, 0)
71  {
72  }
73 
78  Buffer(const void* buf, size_t length)
79  : std::vector<uint8_t>(reinterpret_cast<const uint8_t*>(buf),
80  reinterpret_cast<const uint8_t*>(buf) + length)
81  {
82  }
83 
88  template<class InputIt>
89  Buffer(InputIt first, InputIt last)
90  : std::vector<uint8_t>(first, last)
91  {
92  }
93 
96  template<class T>
97  T*
98  get() noexcept
99  {
100  return reinterpret_cast<T*>(data());
101  }
102 
105  template<class T>
106  const T*
107  get() const noexcept
108  {
109  return reinterpret_cast<const T*>(data());
110  }
111 };
112 
113 inline
114 Buffer::Buffer(const Buffer&) = default;
115 
116 inline Buffer&
117 Buffer::operator=(const Buffer&) = default;
118 
119 inline
120 Buffer::Buffer(Buffer&&) noexcept = default;
121 
122 inline Buffer&
123 Buffer::operator=(Buffer&&) noexcept = default;
124 
125 using BufferPtr = shared_ptr<Buffer>;
126 using ConstBufferPtr = shared_ptr<const Buffer>;
127 
128 } // namespace ndn
129 
130 #endif // NDN_ENCODING_BUFFER_HPP
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition: ndn-strategy-choice-helper.hpp:34
ndn::Buffer::Buffer
Buffer(const void *buf, size_t length)
Creates a Buffer by copying contents from a raw buffer.
Definition: buffer.hpp:78
ndn::Buffer::get
T * get() noexcept
Definition: buffer.hpp:98
ndn::Buffer::operator=
Buffer & operator=(const Buffer &)
Copy assignment operator.
ndn::Buffer::Buffer
Buffer(InputIt first, InputIt last)
Creates a Buffer by copying the elements of the range [first, last)
Definition: buffer.hpp:89
ndn::Buffer::get
const T * get() const noexcept
Definition: buffer.hpp:107
ndn::Buffer::Buffer
Buffer()=default
Creates an empty Buffer.
common.hpp
import common constructs for ndn-cxx library internal use
ndn::Buffer::Buffer
Buffer(size_t size)
Creates a Buffer with pre-allocated size.
Definition: buffer.hpp:69
ndn::Buffer
General-purpose automatically managed/resized buffer.
Definition: buffer.hpp:40
ndn::BufferPtr
shared_ptr< Buffer > BufferPtr
Definition: buffer.hpp:125
ndn::ConstBufferPtr
shared_ptr< const Buffer > ConstBufferPtr
Definition: buffer.hpp:126