Module: FastFind

Defined in:
lib/fast_find.rb,
lib/fast_find/version.rb

Overview

A Find workalike optimized for multithreaded operation on supporting Rubies

Constant Summary collapse

VERSION = 
'0.2.1'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.default_executor ⇒ Object

Returns the value of attribute default_executor.



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# File 'lib/fast_find.rb', line 12

def default_executor
  @default_executor
end

Class Method Details

.find(*paths, ignore_error: true, executor: default_executor, &block) ⇒ Object 



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# File 'lib/fast_find.rb', line 18

def find(*paths, ignore_error: true, executor: default_executor, &block)
  block or return enum_for(__method__, *paths, ignore_error: ignore_error, executor: executor)

  results = SizedQueue.new(1024)
  pending = Set.new

  paths.map!(&:dup).each do |path|
    path = path.to_path if path.respond_to? :to_path
    results << [path, safe_stat(path)]
  end
  results << %i[initial finished]
  pending << path_signature(:initial)

  while (result = results.deq)
    path, stat = result

    if stat == :finished
      break if pending.delete(path_signature(path)).empty?

      next
    end

    catch(:prune) do
      yield_entry(result, block) if path.is_a? String

      if stat.is_a?(File::Stat) && stat.directory? && pending.add?(path_signature(path))
        executor.post(path, results) do |path_, results_|
          walk(path_, results_)
        end
      end
    end

    raise stat if stat.is_a?(Exception) && !ignore_error
  end
ensure
  results.close if results
end

.prune ⇒ Object 



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# File 'lib/fast_find.rb', line 14

def prune
  throw :prune
end