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require "set"
module Neovim
# @abstract Superclass for all +nvim+ remote objects.
#
# @see Buffer
# @see Window
# @see Tabpage
class RemoteObject
attr_reader :index
def initialize(index, session, api)
@index = index
@session = session
@api = api
end
# Serialize object to MessagePack.
#
# @param packer [MessagePack::Packer]
# @return [String]
def to_msgpack(packer)
packer.pack(@index)
end
# Intercept method calls and delegate to appropriate RPC methods.
def method_missing(method_name, *args)
if (func = @api.function_for_object_method(self, method_name))
func.call(@session, @index, *args)
else
super
end
end
# Extend +respond_to_missing?+ to support RPC methods.
def respond_to_missing?(method_name, *)
super || rpc_methods.include?(method_name.to_sym)
end
# Extend +methods+ to include RPC methods
def methods(*args)
super | rpc_methods.to_a
end
# Extend +==+ to only look at class and index.
def ==(other)
other.class.equal?(self.class) && @index == other.index
end
private
def rpc_methods
@rpc_methods ||=
@api.functions_for_object(self).map(&:method_name).to_set
end
end
end
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