Class: DTC::Utils::Visitor::DSL::RecursiveDSLDelegate

Inherits:
Object
  • Object
show all
Defined in:
lib/dtc/utils/visitor/dsl.rb

Overview

Utility class to keep track of the running prefix as the DSL is visited

Instance Method Summary collapse

Constructor Details

#initialize(visitor, prefix = nil) ⇒ RecursiveDSLDelegate

Returns a new instance of RecursiveDSLDelegate.



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# File 'lib/dtc/utils/visitor/dsl.rb', line 19

def initialize visitor, prefix = nil
  @visitor = visitor
  @prefix = prefix
  @pending_prefix = nil
  @called = false
end

Instance Method Details

#add(sym, *args) ⇒ Object 



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# File 'lib/dtc/utils/visitor/dsl.rb', line 36

def add sym, *args
  @called = true
  @visitor.add(with_prefix(sym), *args)
end

#enter(sym, *args) ⇒ Object 



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# File 'lib/dtc/utils/visitor/dsl.rb', line 40

def enter sym, *args
  flush
  @called = true
  @visitor.enter(with_prefix(sym), *args)
end

#flush ⇒ Object 



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# File 'lib/dtc/utils/visitor/dsl.rb', line 30

def flush
  if @pending_prefix
    @pending_prefix.add_unless_called
    @pending_prefix = nil
  end
end

#leave ⇒ Object 



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# File 'lib/dtc/utils/visitor/dsl.rb', line 45

def leave
  flush
  @visitor.leave
end

#prefix(sym) ⇒ Object 



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# File 'lib/dtc/utils/visitor/dsl.rb', line 25

def prefix sym
  @called = true
  flush
  @pending_prefix = self.class.new(@visitor, with_prefix(sym))
end