Class: Mantra::Manifest::HashElement

Inherits:
Element
  • Object
show all
Defined in:
lib/mantra/manifest/hash_element.rb

Instance Attribute Summary

Attributes inherited from Element

#content, #parent

Instance Method Summary collapse

Methods inherited from Element

#add_node, #array_selector?, #can_merge?, create, #delete, element_with_selector, #escape_root, #fetch, #find, #get, #hash_selector?, #initialize, #match_selector?, #merge_conflict_error, #path, #path_exist?, #selector, #split_selector

Methods included from Helpers::RegexpHelper

#to_regexp

Methods included from Helpers::ObjectWithType

included

Constructor Details

This class inherits a constructor from Mantra::Manifest::Element

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *arguments, &block) ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 57

def method_missing(method_name, *arguments, &block)
  if self.content.has_key?(method_name.to_s) && arguments.empty?
    self.content[method_name.to_s]
  else
    super
  end
end

Instance Method Details

#children ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 41

def children
  self.content.values
end

#content=(content) ⇒ Object

content is hash



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# File 'lib/mantra/manifest/hash_element.rb', line 6

def content=(content) # content is hash
  @content = content.to_a.inject({}) do |result, pair|
    key, value = *pair
    result[key] = Element.create(value, self)
    result
  end
end

#find_children_by_scope(scope) ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 75

def find_children_by_scope(scope)
  return [] unless scope.hash?
  self.content.each_pair.map do |pair|
    key, value = *pair
    if scope.match?(key, value)
      if scope.has_next?
        element.find_children_by_scope(scope.next)
      else
        element
      end
    end
  end.flatten.compact
end

#has_equal_name?(element) ⇒ Boolean 



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# File 'lib/mantra/manifest/hash_element.rb', line 33

def has_equal_name?(element)
  self.has_name? && element.has_name? && self.name == element.name
end

#has_name? ⇒ Boolean 



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# File 'lib/mantra/manifest/hash_element.rb', line 37

def has_name?
  self.content.has_key?("name")
end

#merge(element, options = {}) ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 14

def merge(element, options={})
  element = escape_root(element)
  raise merge_conflict_error(element) unless self.can_merge?(element)
  # keep the element structure consistent
  element.content.values.each { |v| v.parent = self }
  self.content.merge!(element.content) do |_, self_element, element_to_merge|
    self_element.merge(element_to_merge, options)
  end
  self
end

#name ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 45

def name
  raise "name should be a value, not node" if !self.content["name"].leaf?
  self.content["name"].content || raise("no name for #{self.inspect}")
end

#respond_to_missing?(method_name, include_private = false) ⇒ Boolean 



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# File 'lib/mantra/manifest/hash_element.rb', line 65

def respond_to_missing?(method_name, include_private = false)
  self.content.has_key?(method_name.to_s) || super
end

#selector_for(element) ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 50

def selector_for(element)
  self.content.each_pair do |key, value|
    return key if value == element
  end
  raise "can't find key for object: #{element.to_ruby_object.inspect}"
end

#to_ruby_object ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 25

def to_ruby_object
  self.content.to_a.inject({}) do |result, pair|
    key, element = *pair
    result[key] = element.to_ruby_object
    result
  end
end

#traverse(&block) ⇒ Object 



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# File 'lib/mantra/manifest/hash_element.rb', line 69

def traverse(&block)
  self.content.each_value do |value|
    value.traverse(&block)
  end
end