Class: Flor::Parser::Nod

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tree, outdent) ⇒ Nod

Returns a new instance of Nod.



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# File 'lib/flor/parser.rb', line 503

def initialize(tree, outdent)

  @parent = nil
  @indent = -1
  @head = 'sequence'
  @children = []
  @line = 0

  @outdent = outdent ? outdent.strip : nil
  @outdent = nil if @outdent && @outdent.size < 1

  read(tree) if tree
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/flor/parser.rb', line 501

def children
  @children
end

#indent ⇒ Object

Returns the value of attribute indent.



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# File 'lib/flor/parser.rb', line 500

def indent
  @indent
end

#parent ⇒ Object

Returns the value of attribute parent.



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# File 'lib/flor/parser.rb', line 500

def parent
  @parent
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/flor/parser.rb', line 501

def type
  @type
end

Instance Method Details

#append(node) ⇒ Object 



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# File 'lib/flor/parser.rb', line 517

def append(node)

  if @outdent
    if @outdent.index('\\')
      node.indent = self.indent + 2
    elsif @outdent.index('|') || @outdent.index(';')
      node.indent = self.indent
    end
    @outdent = nil
  end

  if node.indent > self.indent
    @children << node
    node.parent = self
  else
    @parent.append(node)
  end
end

#to_a ⇒ Object 



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# File 'lib/flor/parser.rb', line 536

def to_a

  return [ @head, @children, @line ] unless @children.is_a?(Array)
  return @head if @head.is_a?(Array) && @children.empty?

  cn = @children.collect(&:to_a)

  as, non_atts = cn.partition { |c| c[0] == '_att' }
  atts, suff = [], nil

  as.each do |c|

    if %w[ if unless ].include?(c[1])
      suff = []
    elsif suff && c[1].length > 1
      iou = suff.shift; iou[1] = [ [ iou[1], [], iou[2] ] ]
      atts << iou
      atts.concat(suff)
      suff = nil
    end

    (suff || atts) << c
  end

  atts, non_atts = ta_rework_arr_or_obj(atts, non_atts)

  core = [ @head, atts + non_atts, @line ]
  core = core[0] if core[0].is_a?(Array) && core[1].empty?
  core = ta_rework_core(core) if core[0].is_a?(Array)

  return core unless suff

  ta_rework_suff(core, suff)
end