Class: Parslet::Position

Inherits:

Object

• Object
• Parslet::Position

Includes:

Comparable

Defined in:

lib/parslet/position.rb

Overview

Encapsules the concept of a position inside a string.

Instance Attribute Summary

• #bytepos ⇒ Object readonly

  Returns the value of attribute bytepos.

Instance Method Summary

• #<=>(b) ⇒ Object
• #charpos ⇒ Object
• #initialize(string, bytepos) ⇒ Position constructor

  A new instance of Position.

Constructor Details

#initialize(string, bytepos) ⇒ Position

Returns a new instance of Position.

# File 'lib/parslet/position.rb', line 9

def initialize string, bytepos
  @string = string
  @bytepos = bytepos
end

Instance Attribute Details

#bytepos ⇒ Object (readonly)

Returns the value of attribute bytepos.

# File 'lib/parslet/position.rb', line 5

def bytepos
  @bytepos
end

Instance Method Details

#<=>(b) ⇒ Object

# File 'lib/parslet/position.rb', line 18

def <=> b
  self.bytepos <=> b.bytepos
end

#charpos ⇒ Object

# File 'lib/parslet/position.rb', line 14

def charpos
  @string.byteslice(0, @bytepos).size
end