Class: Puppet::Pops::Lookup::ExplainNode

Inherits:
Object
  • Object
show all
Defined in:
lib/puppet/pops/lookup/explainer.rb

Overview

The ExplainNode contains information of a specific node in a tree traversed during lookup. The tree can be traversed using the `parent` and `branches` attributes of each node.

Each leaf node contains information about what happened when the leaf of the branch was traversed.

Direct Known Subclasses

ExplainMergeSource, ExplainTreeNode, Explainer

Instance Method Summary collapse

Instance Method Details

#branches ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 11

def branches
  @branches ||= []
end

#dump_on(io, indent, first_indent) ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 42

def dump_on(io, indent, first_indent)
  dump_texts(io, indent)
end

#dump_texts(io, indent) ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 46

def dump_texts(io, indent)
  @texts.each { |text| io << indent << text << "\n" } if instance_variable_defined?(:@texts)
end

#explain ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 21

def explain
  io = ''
  dump_on(io, '', '')
  io
end

#inspect ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 27

def inspect
  to_s
end

#text(text) ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 37

def text(text)
  @texts ||= []
  @texts << text
end

#to_hash ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 15

def to_hash
  hash = {}
  hash[:branches] = @branches.map {|b| b.to_hash} unless @branches.nil? || @branches.empty?
  hash
end

#to_s ⇒ Object 


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# File 'lib/puppet/pops/lookup/explainer.rb', line 31

def to_s
  s = self.class.name
  s = "#{s} with #{@branches.size} branches" unless @branches.nil?
  s
end