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Contents
module Rake
module Funnel
module Support
class Finder
include Enumerable
def initialize(search_pattern, task, message = nil)
@search_pattern = search_pattern
@task = task
@message = message
end
def each
block_given? || (return enum_for(__method__))
all_or_default.each { |x| yield x }
end
def single_or_default
first_sln
end
def single
if first_sln.nil?
raise Rake::Funnel::AmbiguousFileError.new(@message, @task.name, @search_pattern, candidates)
end
first_sln
end
def all_or_default
candidates
end
def all
if candidates.empty?
raise Rake::Funnel::AmbiguousFileError.new(@message, @task.name, @search_pattern, candidates)
end
candidates
end
private
def first_sln
return candidates.first if candidates.one?
nil
end
def candidates
Dir[*@search_pattern.dup].select { |f| File.file?(f) }.uniq
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems