Class: LexerPosition

Inherits:
Object show all
Defined in:
lib/rpdf2txt-rockit/token.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(row = 0, column = 0, char_position = 0) ⇒ LexerPosition

Returns a new instance of LexerPosition.



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# File 'lib/rpdf2txt-rockit/token.rb', line 230

def initialize(row = 0, column = 0, char_position = 0)
  @row, @column, @char_position = row, column, char_position
end

Instance Attribute Details

#char_position ⇒ Object (readonly)

Returns the value of attribute char_position.



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# File 'lib/rpdf2txt-rockit/token.rb', line 228

def char_position
  @char_position
end

#column ⇒ Object (readonly)

Returns the value of attribute column.



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# File 'lib/rpdf2txt-rockit/token.rb', line 228

def column
  @column
end

#row ⇒ Object (readonly)

Returns the value of attribute row.



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# File 'lib/rpdf2txt-rockit/token.rb', line 228

def row
  @row
end

Instance Method Details

#+(aString) ⇒ Object 



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# File 'lib/rpdf2txt-rockit/token.rb', line 234

def +(aString)
  char_position = @char_position + aString.length
  num_newlines = aString.count "\r\n"
  row = @row
  if num_newlines == 0
    column = @column + aString.length
  else
    row += num_newlines
    begin
	column = aString.split("\n").last.split("\r").last.length
    rescue NameError
	column = 0
    end
  end
  LexerPosition.new(row, column, char_position)
end

#inspect ⇒ Object 



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# File 'lib/rpdf2txt-rockit/token.rb', line 251

def inspect
  "(row=#{row},column=#{@column})"
end