method

lookup

v2.0.3 - Show latest stable - 0 notes - Class: Rails::Generator::Lookup::ClassMethods

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What's this?

lookup(generator_name) public

Lookup knows how to find generators’ Specs from a list of Sources. Searches the sources, in order, for the first matching name.

Show source

# File railties/lib/rails_generator/lookup.rb, line 120 def lookup(generator_name) @found ||= {} generator_name = generator_name.to_s.downcase @found[generator_name] ||= cache.find { |spec| spec.name == generator_name } unless @found[generator_name] chars = generator_name.scan(/./).map{|c|"#{c}.*?"} rx = /^#{chars}$/ gns = cache.select{|spec| spec.name =~ rx } @found[generator_name] ||= gns.first if gns.length == 1 raise GeneratorError, "Pattern '#{generator_name}' matches more than one generator: #{gns.map{|sp|sp.name}.join(', ')}" if gns.length > 1 end @found[generator_name] or raise GeneratorError, "Couldn't find '#{generator_name}' generator" end

lookup

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