class TLV::Header

• TLV::Header
• BinData
• Reference
• Object

Defined in:

tlv/header.cr

Constant Summary

AFTER_DESERIALIZE = [] of Nil

BEFORE_SERIALIZE = [] of Nil

ENDIAN = ["little"]

KLASS_NAME = [TLV::Header]

PARTS = [{type: "bitfield", name: 0, cls: TLV::Header, onlyif: nil, verify: nil}, {type: "group", name: context, cls: Context, onlyif: -> do tag_format == TagType::Context.value end, verify: nil, value: nil}, {type: "group", name: common, cls: Common, onlyif: -> do tag_format == TagType::CommonProfile.value end, verify: nil, value: nil}, {type: "group", name: vendor, cls: Vendor, onlyif: -> do tag_format >= TagType::VendorProfile.value end, verify: nil, value: nil}] of Nil

REMAINING = [] of Nil

Constructors

• .new(element_type : ElementType, tag : Nil | UInt8 | Tuple(UInt16, UInt16) | Tuple(UInt16, UInt16, UInt16) = nil)

  Creates a header with the given element type and tag

Class Method Summary

• .bit_fields

Macro Summary

• tlv_header(name, onlyif = nil, verify = nil, value = nil)

Instance Method Summary

• #__format__ : IO::ByteFormat
• #anonymous? : Bool
• #common : TLV::Header::Common

  Common Profile - 2 bytes profile + 2 bytes tag

• #common=(common : TLV::Header::Common)

  Common Profile - 2 bytes profile + 2 bytes tag

• #container? : Bool
• #context : TLV::Header::Context
• #context=(context : TLV::Header::Context)
• #element_type : ElementType
• #element_type=(type : ElementType)
• #element_type_raw : UInt8

  control byte

• #element_type_raw=(element_type_raw : UInt8)

  control byte

• #end_of_container? : Bool
• #ids : Nil | UInt8 | Tuple(UInt16, UInt16) | Tuple(UInt16, UInt16, UInt16)

  Returns the tag identifier(s) based on tag type - Anonymous: nil - Context: UInt8 tag id - Common Profile: {profile_id, tag_id} - Vendor Profile: {vendor_id, profile_id, tag_id}

• #tag=(tag : Nil)

  Sets the tag based on various formats

• #tag=(tag : UInt8)
• #tag=(tag : Tuple(UInt16, UInt16))
• #tag=(tag : Tuple(UInt16, UInt16, UInt16))
• #tag_format : UInt8

  control byte

• #tag_format=(tag_format : UInt8)

  control byte

• #tag_type : TagType
• #tag_type=(type : TagType)
• #vendor : TLV::Header::Vendor

  Vendor Profile - 2 bytes vendor + 2 bytes profile + 2 bytes tag

• #vendor=(vendor : TLV::Header::Vendor)

  Vendor Profile - 2 bytes vendor + 2 bytes profile + 2 bytes tag

Constructor Detail

Class Method Detail

Macro Detail

Instance Method Detail