Class: Erlang::ETF::Port
- Inherits:
-
Object
show all
- Includes:
- Term
- Defined in:
- lib/erlang/etf/port.rb
Overview
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Node |
ID |
Creation |
Encode a port object (obtained form open_port/2
). The ID
is a
node specific identifier for a local port. Port operations are
not allowed across node boundaries. The Creation
works just like
in REFERENCE_EXT
.
(see PORT_EXT
)
Constant Summary
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- UINT8 =
Erlang::ETF::Term::UINT8
- UINT32BE =
Erlang::ETF::Term::UINT32BE
- HEAD =
(UINT32BE + UINT8).freeze
Constants included
from Term
Term::ATOM_CACHE_REF, Term::ATOM_EXT, Term::ATOM_INTERNAL_REF2, Term::ATOM_INTERNAL_REF3, Term::ATOM_UTF8_EXT, Term::BINARY_ENCODING, Term::BINARY_EXT, Term::BINARY_INTERNAL_REF, Term::BIT_BINARY_EXT, Term::BIT_BINARY_INTERNAL_REF, Term::COMPRESSED, Term::DIST_HEADER, Term::DOUBLE, Term::DOUBLEBE, Term::DOUBLELE, Term::ERLANG_MAGIC_BYTE, Term::EXPORT_EXT, Term::FLOAT_EXT, Term::FUN_EXT, Term::INT128, Term::INT128BE, Term::INT128LE, Term::INT16, Term::INT16BE, Term::INT16LE, Term::INT32, Term::INT32BE, Term::INT32LE, Term::INT64, Term::INT64BE, Term::INT64LE, Term::INT8, Term::INTEGER_EXT, Term::LARGE_BIG_EXT, Term::LARGE_TUPLE_EXT, Term::LIST_EXT, Term::MAP_EXT, Term::NEW_FLOAT_EXT, Term::NEW_FUN_EXT, Term::NEW_REFERENCE_EXT, Term::NIL_EXT, Term::PID_EXT, Term::PORT_EXT, Term::REFERENCE_EXT, Term::SINGLE, Term::SINGLEBE, Term::SINGLELE, Term::SMALL_ATOM_EXT, Term::SMALL_ATOM_UTF8_EXT, Term::SMALL_BIG_EXT, Term::SMALL_INTEGER_EXT, Term::SMALL_TUPLE_EXT, Term::STRING_EXT, Term::UINT128, Term::UINT128BE, Term::UINT128LE, Term::UINT16, Term::UINT16BE, Term::UINT16LE, Term::UINT32, Term::UINT32LE, Term::UINT64, Term::UINT64BE, Term::UINT64LE
Class Method Summary
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Instance Method Summary
collapse
Methods included from Term
#<=>, binary_encoding, #eql?, #erlang_external_type, #hash, included, #to_erlang_etf
Constructor Details
#initialize(term, node = nil, id = nil, creation = nil) ⇒ Port
Returns a new instance of Port.
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# File 'lib/erlang/etf/port.rb', line 40
def initialize(term, node = nil, id = nil, creation = nil)
raise ArgumentError, "term must be of type Erlang::Port" if not term.kind_of?(Erlang::Port)
@term = term
@node = node
@id = id
@creation = creation
end
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Class Method Details
.[](term, node = nil, id = nil, creation = nil) ⇒ Object
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# File 'lib/erlang/etf/port.rb', line 28
def [](term, node = nil, id = nil, creation = nil)
return new(term, node, id, creation)
end
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.erlang_load(buffer) ⇒ Object
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# File 'lib/erlang/etf/port.rb', line 32
def erlang_load(buffer)
node = Erlang::ETF.read_term(buffer)
id, creation = buffer.read(5).unpack(HEAD)
term = Erlang::Port[Erlang.from(node), Erlang.from(id), Erlang.from(creation)]
return new(term, node, id, creation)
end
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Instance Method Details
#erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING)) ⇒ Object
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# File 'lib/erlang/etf/port.rb', line 48
def erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING))
buffer << PORT_EXT
Erlang::ETF.write_term(@node || @term.node, buffer)
buffer << [
@id || @term.id,
@creation || @term.creation
].pack(HEAD)
return buffer
end
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#inspect ⇒ Object
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# File 'lib/erlang/etf/port.rb', line 58
def inspect
if @node.nil? and @id.nil? and @creation.nil?
return super
else
return "#{self.class}[#{@term.inspect}, #{@node.inspect}, #{@id.inspect}, #{@creation.inspect}]"
end
end
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#pretty_print(pp) ⇒ Object
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# File 'lib/erlang/etf/port.rb', line 66
def pretty_print(pp)
state = [@term]
state.push(@node, @id, @creation) if not @node.nil? or not @id.nil? or not @creation.nil?
return pp.group(1, "#{self.class}[", "]") do
pp.breakable ''
pp.seplist(state) { |obj| obj.pretty_print(pp) }
end
end
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