Class: GlooLang::Persist::LineSplitter

Inherits:
Object
  • Object
show all
Defined in:
lib/gloo_lang/persist/line_splitter.rb

Constant Summary collapse

BEGIN_BLOCK = 
'BEGIN'.freeze
END_BLOCK = 
'END'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line, tabs) ⇒ LineSplitter

Set up a line splitter



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# File 'lib/gloo_lang/persist/line_splitter.rb', line 20

def initialize( line, tabs )
  @line = line
  @tabs = tabs
end

Instance Attribute Details

#obj ⇒ Object (readonly)

Returns the value of attribute obj.



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# File 'lib/gloo_lang/persist/line_splitter.rb', line 15

def obj
  @obj
end

Instance Method Details

#detect_name ⇒ Object

Detect the object name.



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# File 'lib/gloo_lang/persist/line_splitter.rb', line 39

def detect_name
  @line = @line.strip
  @idx = @line.index( ' ' )
  @name = @line[ 0..@idx - 1 ]
end

#detect_type ⇒ Object

Detect the object type.



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# File 'lib/gloo_lang/persist/line_splitter.rb', line 48

def detect_type
  @line = @line[ @idx + 1..-1 ]
  @idx = @line.index( ' ' )

  if @line[ 0 ] == ':'
    @type = 'untyped'
    return
  end

  @type = @line[ 0..( @idx ? @idx - 1 : -1 ) ]
  @type = @type[ 1..-1 ] if @type[ 0 ] == '['
  @type = @type[ 0..-2 ] if @type[ -1 ] == ']'
end

#detect_value ⇒ Object

Detect the object value. Use nil if there is no value specified.



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# File 'lib/gloo_lang/persist/line_splitter.rb', line 66

def detect_value
  if @idx
    @value = @line[ @idx + 1..-1 ]
    if @value[ 0..1 ] == ': '
      @value = @value[ 2..-1 ]
    elsif @value[ 0 ] == ':'
      @value = @value[ 1..-1 ]
    end
  else
    @value = nil
  end
end

#split ⇒ Object

Split the line into 3 parts.



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# File 'lib/gloo_lang/persist/line_splitter.rb', line 28

def split
  detect_name
  detect_type
  detect_value

  return @name, @type, @value
end