class Treequel::Filter::SubstringItemComponent
A 'substring' (attribute=foo*) component
Attributes
attribute[RW]
The name of the attribute to match against
options[RW]
The attribute options
pattern[RW]
The pattern to match (if the index exists in the directory)
Public Class Methods
new( attribute, pattern, options=nil )
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Create a new 'substring' item filter component that will match the specified pattern
against the given attribute
.
Calls superclass method
# File lib/treequel/filter.rb, line 349 def initialize( attribute, pattern, options=nil ) @attribute = attribute @pattern = pattern @options = options super() end
parse_from_string( literal )
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Parse the substring item from the given literal
.
# File lib/treequel/filter.rb, line 333 def self::parse_from_string( literal ) match = LDAP_SUBSTRING_FILTER.match( literal ) or raise Treequel::ExpressionError, "unable to parse %p as a substring literal" % [ literal ] self.log.debug " parsed substring literal as: %p" % [ match.captures ] return self.new( *(match.captures.values_at(1,3,2)) ) end
Public Instance Methods
to_s()
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Stringify the component
# File lib/treequel/filter.rb, line 373 def to_s return self.attribute.to_s + self.options.to_s + '=' + self.pattern end