Class: Hiiro::Runners

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

Defined Under Namespace

Classes: Bin, Subcommand

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hiiro) ⇒ Runners

Returns a new instance of Runners.



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# File 'lib/hiiro.rb', line 568

def initialize(hiiro)
  @hiiro = hiiro
  @bin_name = hiiro.bin_name
  @subcmd = hiiro.subcmd
  @subcommands = {}
  @default_subcommand = hiiro.default_subcommand
end

Instance Attribute Details

#bin_name ⇒ Object (readonly)

Returns the value of attribute bin_name.



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# File 'lib/hiiro.rb', line 566

def bin_name
  @bin_name
end

#hiiro ⇒ Object (readonly)

Returns the value of attribute hiiro.



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# File 'lib/hiiro.rb', line 566

def hiiro
  @hiiro
end

#subcmd ⇒ Object (readonly)

Returns the value of attribute subcmd.



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# File 'lib/hiiro.rb', line 566

def subcmd
  @subcmd
end

#subcommands ⇒ Object (readonly)

Returns the value of attribute subcommands.



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# File 'lib/hiiro.rb', line 566

def subcommands
  @subcommands
end

Instance Method Details

#add_default(handler, **values) ⇒ Object 



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# File 'lib/hiiro.rb', line 576

def add_default(handler, **values)
  @default_subcommand = Subcommand.new(
    bin_name,
    :DEFAULT,
    handler,
    values
  )
end

#add_subcommand(name, handler, opts: nil, subcmd_args: [], subcmd_opts: nil, **values) ⇒ Object 



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# File 'lib/hiiro.rb', line 614

def add_subcommand(name, handler, opts: nil, subcmd_args: [], subcmd_opts: nil, **values)
  @subcommands[name] = Subcommand.new(
    bin_name, name, handler, values,
    opts: opts,
    subcmd_args: subcmd_args,
    subcmd_opts: subcmd_opts
  )
end

#all_bins ⇒ Object 



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# File 'lib/hiiro.rb', line 608

def all_bins
  pattern = format('{%s}/%s-*', paths.join(?,), bin_name)

  Dir.glob(pattern).map { |path| Bin.new(bin_name, path) }
end

#all_runners ⇒ Object 



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# File 'lib/hiiro.rb', line 600

def all_runners
  [*all_bins, *subcommands.values]
end

#ambiguous_matches ⇒ Object 



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# File 'lib/hiiro.rb', line 644

def ambiguous_matches
  return [] unless subcmd_result
  matches = matching_runners
  matches.count > 1 ? matches : []
end

#exact_runner ⇒ Object 



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# File 'lib/hiiro.rb', line 634

def exact_runner
  subcmd_result&.exact_match&.item
end

#matching_runners ⇒ Object 



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# File 'lib/hiiro.rb', line 650

def matching_runners
  return [] unless subcmd_result
  remove_child_runners(subcmd_result.matches.map(&:item))
end

#paths ⇒ Object 



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# File 'lib/hiiro.rb', line 604

def paths
  @paths ||= ENV['PATH'].split(?:).uniq
end

#remove_child_runners(list) ⇒ Object 



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# File 'lib/hiiro.rb', line 655

def remove_child_runners(list)
  list.reject do |r|
    list.any? { |other| r != other && r.full_name.start_with?(other.full_name + ?-) }
  end
end

#run_subcommand(name, *args) ⇒ Object 



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# File 'lib/hiiro.rb', line 623

def run_subcommand(name, *args)
  cmd = subcommands[name]

  cmd&.run(*args)
end

#runner ⇒ Object 



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# File 'lib/hiiro.rb', line 585

def runner
  return exact_runner if exact_runner
  return unambiguous_runner if unambiguous_runner

  @default_subcommand
end

#subcmd_result ⇒ Object 



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# File 'lib/hiiro.rb', line 629

def subcmd_result
  return nil unless subcmd
  @subcmd_result ||= Matcher.by_prefix(all_runners, subcmd.to_s, key: :subcommand_name)
end

#subcommand_names ⇒ Object 



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# File 'lib/hiiro.rb', line 596

def subcommand_names
  all_runners.map(&:subcommand_name)
end

#unambiguous_runner ⇒ Object 



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# File 'lib/hiiro.rb', line 638

def unambiguous_runner
  return nil unless subcmd_result
  matches = matching_runners
  matches.first if matches.count == 1
end

#using_default? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hiiro.rb', line 592

def using_default?
  !exact_runner && !unambiguous_runner
end