NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
ndn::name::Component Class Reference

Component holds a read-only name component value. More...

#include <name-component.hpp>

Inheritance diagram for ndn::name::Component:
Collaboration diagram for ndn::name::Component:

Classes

class  Error
 Error that can be thrown from name::Component. More...
 

Public Member Functions

 Component ()
 Create a new name::Component with an empty value. More...
 
 Component (const Block &wire)
 Create name::Component from a wire block. More...
 
 Component (const ConstBufferPtr &buffer)
 Create a new name::Component from the buffer pointer (buffer pointer will be copied) More...
 
 Component (const Buffer &buffer)
 Create a new name::Component from the buffer (data from buffer will be copied) More...
 
 Component (const uint8_t *buffer, size_t bufferSize)
 Create a new name::Component from the buffer (data from buffer will be copied) More...
 
template<class Iterator >
 Component (Iterator first, Iterator last)
 Create a new name::Component frome the range [first, last) of bytes. More...
 
 Component (const char *str)
 Create a new name::Component from the C string (data from string will be copied) More...
 
 Component (const std::string &str)
 Create a new name::Component from the STL string (data from string will be copied) More...
 
template<encoding::Tag TAG>
size_t wireEncode (EncodingImpl< TAG > &encoder) const
 Fast encoding or block size estimation. More...
 
const BlockwireEncode () const
 Encode to a wire format. More...
 
void wireDecode (const Block &wire)
 Decode from the wire format. More...
 
void toUri (std::ostream &os) const
 Write *this to the output stream, escaping characters according to the NDN URI Scheme. More...
 
std::string toUri () const
 Convert *this by escaping characters according to the NDN URI Scheme. More...
 
bool isNumber () const
 Check if the component is nonNegativeInteger. More...
 
bool isNumberWithMarker (uint8_t marker) const
 Check if the component is NameComponentWithMarker per NDN naming conventions. More...
 
bool isVersion () const
 Check if the component is version per NDN naming conventions. More...
 
bool isSegment () const
 Check if the component is segment number per NDN naming conventions. More...
 
bool isSegmentOffset () const
 Check if the component is segment offset per NDN naming conventions. More...
 
bool isTimestamp () const
 Check if the component is timestamp per NDN naming conventions. More...
 
bool isSequenceNumber () const
 Check if the component is sequence number per NDN naming conventions. More...
 
uint64_t toNumber () const
 Interpret this name component as nonNegativeInteger. More...
 
uint64_t toNumberWithMarker (uint8_t marker) const
 Interpret this name component as NameComponentWithMarker. More...
 
uint64_t toVersion () const
 Interpret as version component using NDN naming conventions. More...
 
uint64_t toSegment () const
 Interpret as segment number component using NDN naming conventions. More...
 
uint64_t toSegmentOffset () const
 Interpret as segment offset component using NDN naming conventions. More...
 
time::system_clock::TimePoint toTimestamp () const
 Interpret as timestamp component using NDN naming conventions. More...
 
uint64_t toSequenceNumber () const
 Interpret as sequence number component using NDN naming conventions. More...
 
bool isGeneric () const
 Check if the component is GenericComponent. More...
 
bool isImplicitSha256Digest () const
 Check if the component is ImplicitSha256DigestComponent. More...
 
bool empty () const
 
bool equals (const Component &other) const
 Check if this is the same component as other. More...
 
int compare (const Component &other) const
 Compare this to the other Component using NDN canonical ordering. More...
 
bool operator== (const Component &other) const
 Check if this is the same component as other. More...
 
bool operator!= (const Component &other) const
 Check if this is not the same component as other. More...
 
bool operator<= (const Component &other) const
 Check if the *this is less than or equal to the other in NDN canonical ordering. More...
 
bool operator< (const Component &other) const
 Check if the *this is less than the other in NDN canonical ordering. More...
 
bool operator>= (const Component &other) const
 Check if the *this is greater or equal than the other in NDN canonical ordering. More...
 
bool operator> (const Component &other) const
 Check if the *this is greater than the other in NDN canonical ordering. More...
 
Component getSuccessor () const
 
- Public Member Functions inherited from ndn::Block
 Block ()
 Create an empty Block. More...
 
 Block (const EncodingBuffer &buffer)
 Parse Block from an EncodingBuffer. More...
 
 Block (const ConstBufferPtr &buffer)
 Parse Block from a wire Buffer. More...
 
 Block (ConstBufferPtr buffer, Buffer::const_iterator begin, Buffer::const_iterator end, bool verifyLength=true)
 Parse Block within boundaries of a wire Buffer. More...
 
 Block (const Block &block, Buffer::const_iterator begin, Buffer::const_iterator end, bool verifyLength=true)
 Parse Block within boundaries of an existing Block, reusing underlying wire Buffer. More...
 
 Block (ConstBufferPtr buffer, uint32_t type, Buffer::const_iterator begin, Buffer::const_iterator end, Buffer::const_iterator valueBegin, Buffer::const_iterator valueEnd)
 Create a Block from a wire Buffer without parsing. More...
 
 Block (const uint8_t *buf, size_t bufSize)
 Parse Block from a raw buffer. More...
 
 Block (uint32_t type)
 Create an empty Block with specified TLV-TYPE. More...
 
 Block (uint32_t type, ConstBufferPtr value)
 Create a Block with specified TLV-TYPE and TLV-VALUE. More...
 
 Block (uint32_t type, const Block &value)
 Create a Block with specified TLV-TYPE and TLV-VALUE. More...
 
bool empty () const
 Check if the Block is empty. More...
 
bool hasWire () const
 Check if the Block has fully encoded wire. More...
 
void reset ()
 Reset wire buffer of the element. More...
 
void resetWire ()
 Reset wire buffer but keep TLV-TYPE and sub elements (if any) More...
 
Buffer::const_iterator begin () const
 Get begin iterator of encoded wire. More...
 
Buffer::const_iterator end () const
 Get end iterator of encoded wire. More...
 
const uint8_t * wire () const
 Get pointer to encoded wire. More...
 
size_t size () const
 Get size of encoded wire, including Type-Length-Value. More...
 
shared_ptr< const BuffergetBuffer () const
 Get underlying buffer. More...
 
uint32_t type () const
 Get TLV-TYPE. More...
 
bool hasValue () const
 Get begin iterator of TLV-VALUE. More...
 
Buffer::const_iterator value_begin () const
 Get begin iterator of TLV-VALUE. More...
 
Buffer::const_iterator value_end () const
 Get end iterator of TLV-VALUE. More...
 
const uint8_t * value () const
 Get pointer to TLV-VALUE. More...
 
size_t value_size () const
 Get size of TLV-VALUE aka TLV-LENGTH. More...
 
Block blockFromValue () const
 
void parse () const
 Parse TLV-VALUE into sub elements. More...
 
void encode ()
 Encode sub elements into TLV-VALUE. More...
 
const Blockget (uint32_t type) const
 Get the first sub element of specified TLV-TYPE. More...
 
element_const_iterator find (uint32_t type) const
 Find the first sub element of specified TLV-TYPE. More...
 
void remove (uint32_t type)
 Remove all sub elements of specified TLV-TYPE. More...
 
element_iterator erase (element_const_iterator position)
 Erase a sub element. More...
 
element_iterator erase (element_const_iterator first, element_const_iterator last)
 Erase a range of sub elements. More...
 
void push_back (const Block &element)
 Append a sub element. More...
 
element_iterator insert (element_const_iterator pos, const Block &element)
 Insert a sub element. More...
 
const element_containerelements () const
 Get container of sub elements. More...
 
element_const_iterator elements_begin () const
 Equivalent to elements().begin() More...
 
element_const_iterator elements_end () const
 Equivalent to elements().end() More...
 
size_t elements_size () const
 Equivalent to elements().size() More...
 
 operator boost::asio::const_buffer () const
 Implicit conversion to const_buffer. More...
 

Static Public Member Functions

static Component fromEscapedString (const char *escapedString, size_t beginOffset, size_t endOffset)
 Create name::Component by decoding the escapedString between beginOffset and endOffset according to the NDN URI Scheme. More...
 
static Component fromEscapedString (const char *escapedString)
 Create name::Component by decoding the escapedString according to the NDN URI Scheme. More...
 
static Component fromEscapedString (const std::string &escapedString)
 Create name::Component by decoding the escapedString according to the NDN URI Scheme. More...
 
static Component fromNumber (uint64_t number)
 Create a component encoded as nonNegativeInteger. More...
 
static Component fromNumberWithMarker (uint8_t marker, uint64_t number)
 Create a component encoded as NameComponentWithMarker. More...
 
static Component fromVersion (uint64_t version)
 Create version component using NDN naming conventions. More...
 
static Component fromSegment (uint64_t segmentNo)
 Create segment number component using NDN naming conventions. More...
 
static Component fromSegmentOffset (uint64_t offset)
 Create segment offset component using NDN naming conventions. More...
 
static Component fromTimestamp (const time::system_clock::TimePoint &timePoint)
 Create sequence number component using NDN naming conventions. More...
 
static Component fromSequenceNumber (uint64_t seqNo)
 Create sequence number component using NDN naming conventions. More...
 
static Component fromImplicitSha256Digest (const ConstBufferPtr &digest)
 Create ImplicitSha256DigestComponent component. More...
 
static Component fromImplicitSha256Digest (const uint8_t *digest, size_t digestSize)
 Create ImplicitSha256DigestComponent component. More...
 
- Static Public Member Functions inherited from ndn::Block
static Block fromStream (std::istream &is)
 Parse Block from an input stream. More...
 
static std::tuple< bool, BlockfromBuffer (ConstBufferPtr buffer, size_t offset)
 Try to parse Block from a wire buffer. More...
 
static std::tuple< bool, BlockfromBuffer (const uint8_t *buf, size_t bufSize)
 Try to parse Block from a raw buffer. More...
 

Additional Inherited Members

- Public Types inherited from ndn::Block
using element_container = std::vector< Block >
 
using element_iterator = element_container::iterator
 
using element_const_iterator = element_container::const_iterator
 
- Protected Attributes inherited from ndn::Block
shared_ptr< const Bufferm_buffer
 underlying buffer storing TLV-VALUE and possibly TLV-TYPE and TLV-LENGTH fields More...
 
Buffer::const_iterator m_begin
 
Buffer::const_iterator m_end
 
Buffer::const_iterator m_valueBegin
 
Buffer::const_iterator m_valueEnd
 
uint32_t m_type
 TLV-TYPE. More...
 
uint32_t m_size
 total size including Type-Length-Value More...
 
element_container m_elements
 sub elements More...
 

Detailed Description

Component holds a read-only name component value.

Definition at line 47 of file name-component.hpp.

Constructor & Destructor Documentation

◆ Component() [1/8]

ndn::name::Component::Component ( )

Create a new name::Component with an empty value.

Definition at line 54 of file name-component.cpp.

Referenced by fromEscapedString().

◆ Component() [2/8]

ndn::name::Component::Component ( const Block wire)

Create name::Component from a wire block.

Parameters
wiretlv::NameComponent Block from which to create name::Component
Exceptions
Errorif wire.type() is not tlv::NameComponent

Any block can be implicitly converted to name::Component

Definition at line 59 of file name-component.cpp.

References isGeneric(), and isImplicitSha256Digest().

◆ Component() [3/8]

ndn::name::Component::Component ( const ConstBufferPtr buffer)
explicit

Create a new name::Component from the buffer pointer (buffer pointer will be copied)

Parameters
bufferA pointer to an immutable buffer

This constructor will create a new tlv::NameComponent Block with buffer as a payload. Note that this method will not allocate new memory for and copy the payload until toWire() method is called.

Definition at line 67 of file name-component.cpp.

◆ Component() [4/8]

ndn::name::Component::Component ( const Buffer buffer)
explicit

Create a new name::Component from the buffer (data from buffer will be copied)

Parameters
bufferA reference to the buffer

This constructor will create a new tlv::NameComponent Block with buffer as a payload. Note that this method will allocate new memory for and copy the payload.

Definition at line 72 of file name-component.cpp.

◆ Component() [5/8]

ndn::name::Component::Component ( const uint8_t *  buffer,
size_t  bufferSize 
)

Create a new name::Component from the buffer (data from buffer will be copied)

Parameters
bufferA pointer to the first byte of the buffer
bufferSizeSize of the buffer

This constructor will create a new tlv::NameComponent Block with buffer as a payload. Note that this method will allocate new memory for and copy the payload.

Definition at line 77 of file name-component.cpp.

◆ Component() [6/8]

template<class Iterator >
ndn::name::Component::Component ( Iterator  first,
Iterator  last 
)
inline

Create a new name::Component frome the range [first, last) of bytes.

Parameters
firstIterator pointing to the beginning of the buffer
lastIterator pointing to the ending of the buffer
Template Parameters
Iteratoriterator type satisfying at least InputIterator concept. Implementation is more optimal when the iterator type satisfies RandomAccessIterator concept. It is required that sizeof(std::iterator_traits<Iterator>::value_type) == 1.

This constructor will create a new tlv::NameComponent Block with buffer as a payload. Note that this method will allocate new memory for and copy the payload.

Definition at line 581 of file name-component.hpp.

◆ Component() [7/8]

ndn::name::Component::Component ( const char *  str)
explicit

Create a new name::Component from the C string (data from string will be copied)

Parameters
strZero-ended string. Note that this string will be interpreted as is (i.e., it will not be interpreted as URI)

This constructor will create a new tlv::NameComponent Block with buffer as a payload. Note that this method will allocate new memory for and copy the payload.

Definition at line 82 of file name-component.cpp.

◆ Component() [8/8]

ndn::name::Component::Component ( const std::string &  str)
explicit

Create a new name::Component from the STL string (data from string will be copied)

Parameters
strConst reference to STL string. Note that this string will be interpreted as is (i.e., it will not be interpreted as URI)

This constructor will create a new tlv::NameComponent Block with buffer as a payload. Note that this method will allocate new memory for and copy the payload.

Definition at line 87 of file name-component.cpp.

Member Function Documentation

◆ wireEncode() [1/2]

template<encoding::Tag TAG>
size_t ndn::name::Component::wireEncode ( EncodingImpl< TAG > &  encoder) const

Fast encoding or block size estimation.

Definition at line 421 of file name-component.cpp.

References ndn::Block::type(), ndn::Block::value(), and ndn::Block::value_size().

◆ wireEncode() [2/2]

const Block & ndn::name::Component::wireEncode ( ) const

Encode to a wire format.

Definition at line 434 of file name-component.cpp.

References ndn::Block::hasWire().

◆ wireDecode()

void ndn::name::Component::wireDecode ( const Block wire)

Decode from the wire format.

Definition at line 450 of file name-component.cpp.

References ndn::Block::wire().

◆ fromEscapedString() [1/3]

Component ndn::name::Component::fromEscapedString ( const char *  escapedString,
size_t  beginOffset,
size_t  endOffset 
)
static

Create name::Component by decoding the escapedString between beginOffset and endOffset according to the NDN URI Scheme.

If the escaped string is "", "." or ".." then return an empty name::Component. Note that an empty name::Component should not be added to Name and if attempted, an exception will be thrown.

Parameters
escapedStringString containing NDN URI-encoded name component. [escapedString+beginOffset, beginOffset+endOffset) must be a valid memory buffer.
beginOffsetThe offset in escapedString of the beginning of the portion to decode.
endOffsetThe offset in escapedString of the end of the portion to decode.

Definition at line 93 of file name-component.cpp.

References Component(), ndn::util::Sha256::DIGEST_SIZE, ndn::fromHex(), fromImplicitSha256Digest(), ndn::name::getSha256DigestUriPrefix(), ndn::Block::size(), ndn::unescape(), and ndn::Block::value().

Referenced by fromEscapedString(), and ndn::Name::Name().

◆ fromEscapedString() [2/3]

static Component ndn::name::Component::fromEscapedString ( const char *  escapedString)
inlinestatic

Create name::Component by decoding the escapedString according to the NDN URI Scheme.

This overload is a convenience wrapper for fromEscapedString(char*,size_t,size)

Definition at line 190 of file name-component.hpp.

References fromEscapedString().

◆ fromEscapedString() [3/3]

static Component ndn::name::Component::fromEscapedString ( const std::string &  escapedString)
inlinestatic

Create name::Component by decoding the escapedString according to the NDN URI Scheme.

This overload is a convenience wrapper for fromEscapedString(char*,size_t,size)

Definition at line 201 of file name-component.hpp.

References fromEscapedString().

◆ toUri() [1/2]

void ndn::name::Component::toUri ( std::ostream &  os) const

Write *this to the output stream, escaping characters according to the NDN URI Scheme.

This also adds "..." to a value with zero or more "."

Parameters
osThe output stream to where write the URI escaped version *this

Definition at line 131 of file name-component.cpp.

References ndn::escape(), ndn::name::getSha256DigestUriPrefix(), ndn::tlv::ImplicitSha256DigestComponent, ndn::printHex(), ndn::Block::type(), ndn::Block::value(), ndn::Block::value_begin(), ndn::Block::value_end(), and ndn::Block::value_size().

Referenced by ndn::operator<<(), and ndn::name::operator<<().

◆ toUri() [2/2]

std::string ndn::name::Component::toUri ( ) const

Convert *this by escaping characters according to the NDN URI Scheme.

This also adds "..." to a value with zero or more "."

Returns
The escaped string

Definition at line 153 of file name-component.cpp.

◆ isNumber()

bool ndn::name::Component::isNumber ( ) const

Check if the component is nonNegativeInteger.

See also
http://named-data.net/doc/ndn-tlv/tlv.html#non-negative-integer-encoding

Definition at line 163 of file name-component.cpp.

References ndn::Block::value_size().

Referenced by toNumber().

◆ isNumberWithMarker()

bool ndn::name::Component::isNumberWithMarker ( uint8_t  marker) const

Check if the component is NameComponentWithMarker per NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 170 of file name-component.cpp.

References empty(), ndn::Block::value(), and ndn::Block::value_size().

Referenced by isSegment(), isSegmentOffset(), isSequenceNumber(), isTimestamp(), isVersion(), and toNumberWithMarker().

◆ isVersion()

bool ndn::name::Component::isVersion ( ) const

Check if the component is version per NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 178 of file name-component.cpp.

References isNumberWithMarker(), and ndn::name::VERSION_MARKER.

Referenced by ndn::lp::PrefixAnnouncement::getAnnouncedName(), and nfd::fw::Strategy::makeInstanceName().

◆ isSegment()

bool ndn::name::Component::isSegment ( ) const

Check if the component is segment number per NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 184 of file name-component.cpp.

References isNumberWithMarker(), and ndn::name::SEGMENT_MARKER.

◆ isSegmentOffset()

bool ndn::name::Component::isSegmentOffset ( ) const

Check if the component is segment offset per NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 190 of file name-component.cpp.

References isNumberWithMarker(), and ndn::name::SEGMENT_OFFSET_MARKER.

◆ isTimestamp()

bool ndn::name::Component::isTimestamp ( ) const

Check if the component is timestamp per NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 196 of file name-component.cpp.

References isNumberWithMarker(), and ndn::name::TIMESTAMP_MARKER.

◆ isSequenceNumber()

bool ndn::name::Component::isSequenceNumber ( ) const

Check if the component is sequence number per NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 202 of file name-component.cpp.

References isNumberWithMarker(), and ndn::name::SEQUENCE_NUMBER_MARKER.

◆ toNumber()

uint64_t ndn::name::Component::toNumber ( ) const

Interpret this name component as nonNegativeInteger.

See also
http://named-data.net/doc/ndn-tlv/tlv.html#non-negative-integer-encoding
Returns
The integer number.

Definition at line 210 of file name-component.cpp.

References isNumber(), and ndn::encoding::readNonNegativeInteger().

◆ toNumberWithMarker()

uint64_t ndn::name::Component::toNumberWithMarker ( uint8_t  marker) const

Interpret this name component as NameComponentWithMarker.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Parameters
marker1-byte octet of the marker
Returns
The integer number.
Exceptions
Errorif name component does not have the specified marker. tlv::Error if format does not follow NameComponentWithMarker specification.

Definition at line 219 of file name-component.cpp.

References isNumberWithMarker(), ndn::tlv::readNonNegativeInteger(), ndn::Block::value_begin(), ndn::Block::value_end(), and ndn::Block::value_size().

Referenced by toSegment(), toSegmentOffset(), toSequenceNumber(), toTimestamp(), and toVersion().

◆ toVersion()

uint64_t ndn::name::Component::toVersion ( ) const

Interpret as version component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Exceptions
Errorif name component does not have the specified marker. tlv::Error if format does not follow NameComponentWithMarker specification.

Definition at line 230 of file name-component.cpp.

References toNumberWithMarker(), and ndn::name::VERSION_MARKER.

◆ toSegment()

uint64_t ndn::name::Component::toSegment ( ) const

Interpret as segment number component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Exceptions
Errorif name component does not have the specified marker. tlv::Error if format does not follow NameComponentWithMarker specification.

Definition at line 236 of file name-component.cpp.

References ndn::name::SEGMENT_MARKER, and toNumberWithMarker().

◆ toSegmentOffset()

uint64_t ndn::name::Component::toSegmentOffset ( ) const

Interpret as segment offset component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Exceptions
Errorif name component does not have the specified marker. tlv::Error if format does not follow NameComponentWithMarker specification.

Definition at line 242 of file name-component.cpp.

References ndn::name::SEGMENT_OFFSET_MARKER, and toNumberWithMarker().

◆ toTimestamp()

time::system_clock::TimePoint ndn::name::Component::toTimestamp ( ) const

Interpret as timestamp component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Exceptions
Errorif name component does not have the specified marker. tlv::Error if format does not follow NameComponentWithMarker specification.

Definition at line 248 of file name-component.cpp.

References ndn::time::getUnixEpoch(), ndn::name::TIMESTAMP_MARKER, toNumberWithMarker(), and ndn::Block::value().

◆ toSequenceNumber()

uint64_t ndn::name::Component::toSequenceNumber ( ) const

Interpret as sequence number component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Exceptions
Errorif name component does not have the specified marker. tlv::Error if format does not follow NameComponentWithMarker specification.

Definition at line 255 of file name-component.cpp.

References ndn::name::SEQUENCE_NUMBER_MARKER, and toNumberWithMarker().

◆ fromNumber()

Component ndn::name::Component::fromNumber ( uint64_t  number)
static

Create a component encoded as nonNegativeInteger.

See also
http://named-data.net/doc/ndn-tlv/tlv.html#non-negative-integer-encoding
Parameters
numberThe non-negative number
Returns
The component value.

Definition at line 263 of file name-component.cpp.

References ndn::encoding::makeNonNegativeIntegerBlock(), and ndn::tlv::NameComponent.

Referenced by ndn::Name::appendNumber(), ndn::security::tpm::BackEnd::createKey(), and ndn::security::CommandInterestPreparer::prepareCommandInterestName().

◆ fromNumberWithMarker()

Component ndn::name::Component::fromNumberWithMarker ( uint8_t  marker,
uint64_t  number 
)
static

Create a component encoded as NameComponentWithMarker.

NameComponentWithMarker is defined as:

NameComponentWithMarker ::= NAME-COMPONENT-TYPE TLV-LEGTH
                              Marker
                              includedNonNegativeInteger
Marker ::= BYTE
includedNonNegativeInteger ::= BYTE{1,2,4,8}
NDN-TLV := TLV-TYPE TLV-LENGTH TLV-VALUE?
TLV-TYPE := VAR-NUMBER
TLV-LENGTH := VAR-NUMBER
TLV-VALUE := BYTE+
See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf
Parameters
marker1-byte marker octet
numberThe non-negative number
Returns
The component value.

Definition at line 269 of file name-component.cpp.

References ndn::tlv::NameComponent, and ndn::encoding::Estimator::prependNonNegativeInteger().

Referenced by ndn::Name::appendNumberWithMarker(), fromSegment(), fromSegmentOffset(), fromSequenceNumber(), fromTimestamp(), and fromVersion().

◆ fromVersion()

Component ndn::name::Component::fromVersion ( uint64_t  version)
static

Create version component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 289 of file name-component.cpp.

References fromNumberWithMarker(), and ndn::name::VERSION_MARKER.

Referenced by ndn::Name::appendVersion().

◆ fromSegment()

Component ndn::name::Component::fromSegment ( uint64_t  segmentNo)
static

Create segment number component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 295 of file name-component.cpp.

References fromNumberWithMarker(), and ndn::name::SEGMENT_MARKER.

Referenced by ndn::Name::appendSegment().

◆ fromSegmentOffset()

Component ndn::name::Component::fromSegmentOffset ( uint64_t  offset)
static

Create segment offset component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 301 of file name-component.cpp.

References fromNumberWithMarker(), and ndn::name::SEGMENT_OFFSET_MARKER.

Referenced by ndn::Name::appendSegmentOffset().

◆ fromTimestamp()

Component ndn::name::Component::fromTimestamp ( const time::system_clock::TimePoint timePoint)
static

Create sequence number component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 307 of file name-component.cpp.

References fromNumberWithMarker(), ndn::time::getUnixEpoch(), ndn::name::TIMESTAMP_MARKER, and ndn::Block::value().

Referenced by ndn::Name::appendTimestamp().

◆ fromSequenceNumber()

Component ndn::name::Component::fromSequenceNumber ( uint64_t  seqNo)
static

Create sequence number component using NDN naming conventions.

See also
http://named-data.net/doc/tech-memos/naming-conventions.pdf

Definition at line 315 of file name-component.cpp.

References fromNumberWithMarker(), and ndn::name::SEQUENCE_NUMBER_MARKER.

Referenced by ndn::Name::appendSequenceNumber().

◆ isGeneric()

bool ndn::name::Component::isGeneric ( ) const

Check if the component is GenericComponent.

Definition at line 323 of file name-component.cpp.

References ndn::tlv::NameComponent, and ndn::Block::type().

Referenced by Component().

◆ isImplicitSha256Digest()

bool ndn::name::Component::isImplicitSha256Digest ( ) const

◆ fromImplicitSha256Digest() [1/2]

Component ndn::name::Component::fromImplicitSha256Digest ( const ConstBufferPtr digest)
static

Create ImplicitSha256DigestComponent component.

Definition at line 336 of file name-component.cpp.

References ndn::Block::Block(), ndn::util::Sha256::DIGEST_SIZE, ndn::tlv::ImplicitSha256DigestComponent, and ndn::to_string().

Referenced by ndn::Name::appendImplicitSha256Digest(), and fromEscapedString().

◆ fromImplicitSha256Digest() [2/2]

Component ndn::name::Component::fromImplicitSha256Digest ( const uint8_t *  digest,
size_t  digestSize 
)
static

Create ImplicitSha256DigestComponent component.

Definition at line 346 of file name-component.cpp.

References ndn::util::Sha256::DIGEST_SIZE, ndn::tlv::ImplicitSha256DigestComponent, ndn::encoding::makeBinaryBlock(), and ndn::to_string().

◆ empty()

◆ equals()

bool ndn::name::Component::equals ( const Component other) const

Check if this is the same component as other.

Parameters
otherThe other Component to compare with
Returns
true if the components are equal, otherwise false.

Definition at line 358 of file name-component.cpp.

References empty(), ndn::Block::type(), ndn::Block::value_begin(), ndn::Block::value_end(), and ndn::Block::value_size().

Referenced by operator!=(), and operator==().

◆ compare()

int ndn::name::Component::compare ( const Component other) const

Compare this to the other Component using NDN canonical ordering.

Parameters
otherThe other Component to compare with.
Return values
negativethis comes before other in canonical ordering
zerothis equals other
positivethis comes after other in canonical ordering
See also
http://named-data.net/doc/ndn-tlv/name.html#canonical-order

Definition at line 367 of file name-component.cpp.

References empty(), ndn::Block::hasWire(), ndn::Block::size(), ndn::Block::type(), ndn::Block::value(), ndn::Block::value_size(), and ndn::Block::wire().

Referenced by operator<(), operator<=(), operator>(), and operator>=().

◆ operator==()

bool ndn::name::Component::operator== ( const Component other) const
inline

Check if this is the same component as other.

Parameters
otherThe other Component to compare with.
Returns
true if the components are equal, otherwise false.

Definition at line 497 of file name-component.hpp.

References equals().

◆ operator!=()

bool ndn::name::Component::operator!= ( const Component other) const
inline

Check if this is not the same component as other.

Parameters
otherThe other Component to compare with
Returns
true if the components are not equal, otherwise false

Definition at line 508 of file name-component.hpp.

References equals().

◆ operator<=()

bool ndn::name::Component::operator<= ( const Component other) const
inline

Check if the *this is less than or equal to the other in NDN canonical ordering.

Parameters
otherThe other Component to compare with
See also
http://named-data.net/doc/ndn-tlv/name.html#canonical-order

Definition at line 520 of file name-component.hpp.

References compare().

◆ operator<()

bool ndn::name::Component::operator< ( const Component other) const
inline

Check if the *this is less than the other in NDN canonical ordering.

Parameters
otherThe other Component to compare with
See also
http://named-data.net/doc/ndn-tlv/name.html#canonical-order

Definition at line 532 of file name-component.hpp.

References compare().

◆ operator>=()

bool ndn::name::Component::operator>= ( const Component other) const
inline

Check if the *this is greater or equal than the other in NDN canonical ordering.

Parameters
otherThe other Component to compare with
See also
http://named-data.net/doc/ndn-tlv/name.html#canonical-order

Definition at line 544 of file name-component.hpp.

References compare().

◆ operator>()

bool ndn::name::Component::operator> ( const Component other) const
inline

Check if the *this is greater than the other in NDN canonical ordering.

Parameters
otherThe other Component to compare with
See also
http://named-data.net/doc/ndn-tlv/name.html#canonical-order

Definition at line 556 of file name-component.hpp.

References compare().

◆ getSuccessor()

Component ndn::name::Component::getSuccessor ( ) const

The documentation for this class was generated from the following files: