Class: RichHash

Inherits:
Object
  • Object
show all
Defined in:
lib/boyermoore.rb

Overview

Hash impersonator that accepts regular expressions as keys. But the regular expression lookups are slow, so don’t use them (unless you have to).

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RichHash

Returns a new instance of RichHash.



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# File 'lib/boyermoore.rb', line 6

def initialize
  @regexps = {}
  @regular = {}
end

Instance Method Details

#[](k) ⇒ Object 



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# File 'lib/boyermoore.rb', line 11

def [](k)
  regular = @regular[k]
  return regular if regular
  if @regexps.size > 0
    @regexps.each do |regex,v| # linear search is going to be slow
      return v if regex.match(k)
    end
  end
  nil
end

#[]=(k, v) ⇒ Object 



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# File 'lib/boyermoore.rb', line 22

def []=(k,v)
  if k.kind_of?(Regexp)
    @regexps[k] = v
  else
    @regular[k] = v
  end
end