Class: Outil::OCS::ObjectParser

Inherits:
Object
  • Object
show all
Defined in:
lib/outil/ocs/parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, name) ⇒ ObjectParser

Returns a new instance of ObjectParser.



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# File 'lib/outil/ocs/parser.rb', line 7

def initialize(path, name)
  @path = path
  @name = name
  @found = false
end

Instance Attribute Details

#found ⇒ Object (readonly)

Returns the value of attribute found.



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# File 'lib/outil/ocs/parser.rb', line 5

def found
  @found
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/outil/ocs/parser.rb', line 5

def name
  @name
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/outil/ocs/parser.rb', line 5

def path
  @path
end

Instance Method Details

#find ⇒ Object 



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# File 'lib/outil/ocs/parser.rb', line 21

def find
  return @found if @found
  set_and_stop = Proc.new do |node|
    return @found = node
  end
  traverse = Proc.new do |node|
    # if we're not at a node, we can move on
    next unless node.is_a?(Parser::AST::Node)
    # unless we're at a method definition
    # we're probably in a begin block, a class, or module
    # in which case traverse the children of the current node
    node.children.each &traverse unless [:defs, :def].include?(node.type)
    # bottom-level node interrogation...
    case node.type
    when :defs
      # class methods
      set_and_stop.call(node) if node.children[1] == name
      next
    when :def
      # instance method
      set_and_stop.call(node) if node.children.first == name
      next
    else
      # other kind of object
      if node.is_a?(Parser::AST::Node)
        # another parent node
        node.children.each &traverse
      else
        # the bottom of a node
        next
      end
    end
  end
  begin
    traverse.call(node)
  rescue
    false
  end
end

#node ⇒ Object 



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# File 'lib/outil/ocs/parser.rb', line 13

def node
  @node ||= Parser::CurrentRuby.parse(
  File.open(@path, 'r') do |f|
    f.read
  end
  )
end