Class: Vindsl::PrefixMatcher

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

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ PrefixMatcher

Returns a new instance of PrefixMatcher.



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# File 'lib/vindsl/prefix_matcher.rb', line 3

def initialize(data)
  @data = data
end

Instance Method Details

#all_prefixes(str) ⇒ Object 



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# File 'lib/vindsl/prefix_matcher.rb', line 11

def all_prefixes(str)
  str.length.times.map{|n| str[0..n]}
end

#find(prefix) ⇒ Object 



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# File 'lib/vindsl/prefix_matcher.rb', line 7

def find(prefix)
  @data[first_prefix prefix]
end

#first_prefix(prefix) ⇒ Object 



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# File 'lib/vindsl/prefix_matcher.rb', line 15

def first_prefix(prefix)
  all_prefixes(prefix).detect do |pfx|
    @data[pfx]
  end
end