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Contents
module StateMachine
module YARD
module Handlers
# Handles and processes #transition
class Transition < Base
handles method_call(:transition)
def process
if [StateMachine::Machine, StateMachine::Event, StateMachine::State].include?(owner.class)
options = {}
# Extract requirements
ast = statement.parameters.first
ast.children.each do |assoc|
# Skip conditionals
next if %w(if unless).include?(assoc[0].jump(:ident).source)
options[extract_requirement(assoc[0])] = extract_requirement(assoc[1])
end
owner.transition(options)
end
end
private
# Extracts the statement requirement from the given node
def extract_requirement(ast)
case ast.type
when :symbol_literal, :string_literal, :array
extract_node_names(ast, false)
when :binary
AllMatcher.instance - extract_node_names(ast.children.last)
when :var_ref, :vcall
case ast.source
when 'nil'
nil
when 'same'
LoopbackMatcher.instance
else
AllMatcher.instance
end
end
end
end
end
end
end
Version data entries
14 entries across 14 versions & 9 rubygems