Class: Regex::AtomicExpression

Inherits:

Expression

• Object
• Expression
• Regex::AtomicExpression

Defined in:

lib/regex/atomic_expression.rb

Overview

Abstract class. A valid regular expression that cannot be further decomposed into sub-expressions.

Direct Known Subclasses

Anchor, CharShorthand, Character, RawExpression, Wildcard

Instance Attribute Summary

Attributes inherited from Expression

#begin_anchor, #end_anchor

Instance Method Summary

• #atomic? ⇒ TrueClass

  Redefined method.

• #done! ⇒ Object

  Notification that the parse tree construction is complete.

• #lazy! ⇒ Object

  Notification that all quantifiers are lazy.

Methods inherited from Expression

#initialize, #options, #to_str

Constructor Details

This class inherits a constructor from Regex::Expression

Instance Method Details

#atomic? ⇒ TrueClass

Redefined method.

Returns:

• (TrueClass) —

  Return true since it may not have any child.

# File 'lib/regex/atomic_expression.rb', line 11

def atomic?
  return true
end

#done! ⇒ Object

Notification that the parse tree construction is complete.

# File 'lib/regex/atomic_expression.rb', line 16

def done!
  # Do nothing
end

#lazy! ⇒ Object

Notification that all quantifiers are lazy

# File 'lib/regex/atomic_expression.rb', line 21

def lazy!
  # Do nothing
end