Class: ROM::LDAP::Parsers::FilterSyntax Private

Inherits:
Object
  • Object
show all
Extended by:
Initializer
Defined in:
lib/rom/ldap/parsers/filter_syntax.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Parses a filter into an AST

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#result ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/ldap/parsers/filter_syntax.rb', line 20

def result
  @result
end

Instance Method Details

#call ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/ldap/parsers/filter_syntax.rb', line 22

def call
  if open_statement
    if joined_statement
      join_type = encode_constructor

      branches = []

      while (branch = call)
        branches << branch
      end

      self.result = [join_type, branches]

    elsif negated_statement
      negator = encode_constructor
      self.result = [negator, call]

    else
      skip_whitespace
      scan_attribute
      attribute = encode_attribute

      skip_whitespace
      scan_operator
      op = encode_operator

      skip_whitespace
      scan_value
      value = encode_value

      self.result = [op, attribute, value]
    end

    close_statement

    result
  end
end