ndn::encoding Namespace Reference

Namespaces

 detail
 

Classes

class  Encoder
 Helper class to perform TLV encoding Interface of this class (mostly) matches interface of Estimator class. More...
 
class  EncodingImpl
 
class  EncodingImpl< EncoderTag >
 EncodingImpl specialization for actual TLV encoding. More...
 
class  EncodingImpl< EstimatorTag >
 EncodingImpl specialization for TLV size estimation. More...
 
class  Estimator
 Helper class to estimate size of TLV encoding Interface of this class (mostly) matches interface of Encoder class. More...
 

Typedefs

using EncodingBuffer = EncodingImpl< EncoderTag >
 
using EncodingEstimator = EncodingImpl< EstimatorTag >
 

Enumerations

enum  Tag {
  EncoderTag = true,
  EstimatorTag = false
}
 

Functions

Block makeBinaryBlock (uint32_t type, const uint8_t *value, size_t length)
 Create a TLV block copying TLV-VALUE from raw buffer. More...
 
Block makeBinaryBlock (uint32_t type, const char *value, size_t length)
 Create a TLV block copying TLV-VALUE from raw buffer. More...
 
template<class Iterator >
Block makeBinaryBlock (uint32_t type, Iterator first, Iterator last)
 Create a TLV block copying TLV-VALUE from iterators. More...
 
Block makeEmptyBlock (uint32_t type)
 Create an empty TLV block. More...
 
template<class U >
Block makeNestedBlock (uint32_t type, const U &value)
 Create a TLV block containing a nested TLV element. More...
 
Block makeNonNegativeIntegerBlock (uint32_t type, uint64_t value)
 Create a TLV block containing a non-negative integer. More...
 
Block makeStringBlock (uint32_t type, const std::string &value)
 Create a TLV block containing a string. More...
 
template<Tag TAG>
size_t prependEmptyBlock (EncodingImpl< TAG > &encoder, uint32_t type)
 Prepend an empty TLV element. More...
 
template size_t prependEmptyBlock< EncoderTag > (EncodingImpl< EncoderTag > &, uint32_t)
 
template size_t prependEmptyBlock< EstimatorTag > (EncodingImpl< EstimatorTag > &, uint32_t)
 
template<Tag TAG, class U >
size_t prependNestedBlock (EncodingImpl< TAG > &encoder, uint32_t type, const U &value)
 Prepend a TLV element containing a nested TLV element. More...
 
template<Tag TAG>
size_t prependNonNegativeIntegerBlock (EncodingImpl< TAG > &encoder, uint32_t type, uint64_t value)
 Prepend a TLV element containing a non-negative integer. More...
 
template size_t prependNonNegativeIntegerBlock< EncoderTag > (EncodingImpl< EncoderTag > &, uint32_t, uint64_t)
 
template size_t prependNonNegativeIntegerBlock< EstimatorTag > (EncodingImpl< EstimatorTag > &, uint32_t, uint64_t)
 
template<Tag TAG>
size_t prependStringBlock (EncodingImpl< TAG > &encoder, uint32_t type, const std::string &value)
 Prepend a TLV element containing a string. More...
 
template size_t prependStringBlock< EncoderTag > (EncodingImpl< EncoderTag > &, uint32_t, const std::string &)
 
template size_t prependStringBlock< EstimatorTag > (EncodingImpl< EstimatorTag > &, uint32_t, const std::string &)
 
uint64_t readNonNegativeInteger (const Block &block)
 Read a non-negative integer from a TLV element. More...
 
template<typename R >
std::enable_if< std::is_integral< R >::value, R >::type readNonNegativeIntegerAs (const Block &block)
 Read a non-negative integer from a TLV element and cast to the specified type. More...
 
template<typename R >
std::enable_if< std::is_enum< R >::value, R >::type readNonNegativeIntegerAs (const Block &block)
 Read a non-negative integer from a TLV element and cast to the specified type. More...
 
std::string readString (const Block &block)
 Read TLV-VALUE of a TLV element as a string. More...
 

Typedef Documentation

Definition at line 38 of file encoding-buffer-fwd.hpp.

Enumeration Type Documentation

Enumerator
EncoderTag 

Tag for EncodingImpl to indicate that Encoder is requested.

EstimatorTag 

Tag for EncodingImpl to indicate that Estimator is requested.

Definition at line 30 of file encoding-buffer-fwd.hpp.

Function Documentation

Block ndn::encoding::makeBinaryBlock ( uint32_t  type,
const uint8_t *  value,
size_t  length 
)

Create a TLV block copying TLV-VALUE from raw buffer.

Parameters
typeTLV-TYPE number
valueraw buffer as TLV-VALUE
lengthlength of value buffer
See also
Encoder::prependByteArrayBlock

Definition at line 126 of file block-helpers.cpp.

Block ndn::encoding::makeBinaryBlock ( uint32_t  type,
const char *  value,
size_t  length 
)

Create a TLV block copying TLV-VALUE from raw buffer.

Parameters
typeTLV-TYPE number
valueraw buffer as TLV-VALUE
lengthlength of value buffer
See also
Encoder::prependByteArrayBlock

Definition at line 138 of file block-helpers.cpp.

template<class Iterator >
Block ndn::encoding::makeBinaryBlock ( uint32_t  type,
Iterator  first,
Iterator  last 
)

Create a TLV block copying TLV-VALUE from iterators.

Template Parameters
Iteratoran InputIterator dereferencable to an 1-octet type; faster implementation is available for RandomAccessIterator
Parameters
typeTLV-TYPE number
firstbegin iterator
lastpast-the-end iterator

Definition at line 232 of file block-helpers.hpp.

Block ndn::encoding::makeEmptyBlock ( uint32_t  type)

Create an empty TLV block.

Parameters
typeTLV-TYPE number
Returns
A TLV block with zero-length TLV-VALUE
See also
prependEmptyBlock

Definition at line 85 of file block-helpers.cpp.

template<class U >
Block ndn::encoding::makeNestedBlock ( uint32_t  type,
const U &  value 
)

Create a TLV block containing a nested TLV element.

Template Parameters
Utype that satisfies WireEncodableWithEncodingBuffer concept
Parameters
typeTLV-TYPE number for outer TLV element
valuean object to be encoded as inner TLV element
See also
prependNestedBlock

Definition at line 272 of file block-helpers.hpp.

Block ndn::encoding::makeNonNegativeIntegerBlock ( uint32_t  type,
uint64_t  value 
)

Create a TLV block containing a non-negative integer.

Parameters
typeTLV-TYPE number
valuenon-negative integer value
See also
prependNonNegativeIntegerBlock, readNonNegativeInteger

Definition at line 48 of file block-helpers.cpp.

Block ndn::encoding::makeStringBlock ( uint32_t  type,
const std::string &  value 
)

Create a TLV block containing a string.

Parameters
typeTLV-TYPE number
valuestring value, may contain NUL octets
See also
prependStringBlock, readString

Definition at line 112 of file block-helpers.cpp.

template<Tag TAG>
size_t ndn::encoding::prependEmptyBlock ( EncodingImpl< TAG > &  encoder,
uint32_t  type 
)

Prepend an empty TLV element.

Parameters
encoderan EncodingBuffer or EncodingEstimator
typeTLV-TYPE number

The TLV element has zero-length TLV-VALUE.

See also
makeEmptyBlock

Definition at line 70 of file block-helpers.cpp.

template size_t ndn::encoding::prependEmptyBlock< EncoderTag > ( EncodingImpl< EncoderTag > &  ,
uint32_t   
)
template size_t ndn::encoding::prependEmptyBlock< EstimatorTag > ( EncodingImpl< EstimatorTag > &  ,
uint32_t   
)
template<Tag TAG, class U >
size_t ndn::encoding::prependNestedBlock ( EncodingImpl< TAG > &  encoder,
uint32_t  type,
const U &  value 
)

Prepend a TLV element containing a nested TLV element.

Template Parameters
Utype that satisfies WireEncodableWithEncodingBuffer concept
Parameters
encoderan EncodingBuffer or EncodingEstimator
typeTLV-TYPE number for outer TLV element
valuean object to be encoded as inner TLV element
See also
makeNestedBlock

Definition at line 252 of file block-helpers.hpp.

template<Tag TAG>
size_t ndn::encoding::prependNonNegativeIntegerBlock ( EncodingImpl< TAG > &  encoder,
uint32_t  type,
uint64_t  value 
)

Prepend a TLV element containing a non-negative integer.

Parameters
encoderan EncodingBuffer or EncodingEstimator
typeTLV-TYPE number
valuenon-negative integer value
See also
makeNonNegativeIntegerBlock, readNonNegativeInteger

Definition at line 31 of file block-helpers.cpp.

template size_t ndn::encoding::prependNonNegativeIntegerBlock< EncoderTag > ( EncodingImpl< EncoderTag > &  ,
uint32_t  ,
uint64_t   
)
template size_t ndn::encoding::prependNonNegativeIntegerBlock< EstimatorTag > ( EncodingImpl< EstimatorTag > &  ,
uint32_t  ,
uint64_t   
)
template<Tag TAG>
size_t ndn::encoding::prependStringBlock ( EncodingImpl< TAG > &  encoder,
uint32_t  type,
const std::string &  value 
)

Prepend a TLV element containing a string.

Parameters
encoderan EncodingBuffer or EncodingEstimator
typeTLV-TYPE number
valuestring value, may contain NUL octets
See also
makeStringBlock, readString

Definition at line 100 of file block-helpers.cpp.

template size_t ndn::encoding::prependStringBlock< EncoderTag > ( EncodingImpl< EncoderTag > &  ,
uint32_t  ,
const std::string &   
)
template size_t ndn::encoding::prependStringBlock< EstimatorTag > ( EncodingImpl< EstimatorTag > &  ,
uint32_t  ,
const std::string &   
)
uint64_t ndn::encoding::readNonNegativeInteger ( const Block block)

Read a non-negative integer from a TLV element.

Parameters
blockthe TLV element
Exceptions
tlv::Errorblock does not contain a non-negative integer
See also
prependNonNegativeIntegerBlock, makeNonNegativeIntegerBlock

Definition at line 60 of file block-helpers.cpp.

template<typename R >
std::enable_if<std::is_integral<R>::value, R>::type ndn::encoding::readNonNegativeIntegerAs ( const Block block)

Read a non-negative integer from a TLV element and cast to the specified type.

Template Parameters
Rresult type, must be an integral type
Parameters
blockthe TLV element
Exceptions
tlv::Errorblock does not contain a valid non-negative integer or the number cannot be represented in R

Definition at line 72 of file block-helpers.hpp.

template<typename R >
std::enable_if<std::is_enum<R>::value, R>::type ndn::encoding::readNonNegativeIntegerAs ( const Block block)

Read a non-negative integer from a TLV element and cast to the specified type.

Template Parameters
Rresult type, must be an enumeration type
Parameters
blockthe TLV element
Exceptions
tlv::Errorblock does not contain a valid non-negative integer or the number cannot be represented in R
Warning
If R is an unscoped enum type, it must have a fixed underlying type. Otherwise, this function may trigger unspecified behavior.

Definition at line 92 of file block-helpers.hpp.

std::string ndn::encoding::readString ( const Block block)

Read TLV-VALUE of a TLV element as a string.

Parameters
blockthe TLV element
Returns
a string, may contain NUL octets
See also
prependStringBlock, makeStringBlock

Definition at line 118 of file block-helpers.cpp.