Class: Ace::Demo::Molecules::TapeResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/ace/demo/molecules/tape_resolver.rb

Instance Method Summary collapse

Constructor Details

#initialize(gem_root: Demo.gem_root, home_dir: Dir.home, cwd: Dir.pwd) ⇒ TapeResolver

Returns a new instance of TapeResolver.



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# File 'lib/ace/demo/molecules/tape_resolver.rb', line 7

def initialize(gem_root: Demo.gem_root, home_dir: Dir.home, cwd: Dir.pwd)
  @gem_root = gem_root
  @home_dir = home_dir
  @cwd = cwd
end

Instance Method Details

#resolve(tape_ref) ⇒ Object

Raises:



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# File 'lib/ace/demo/molecules/tape_resolver.rb', line 13

def resolve(tape_ref)
  direct_path = File.expand_path(tape_ref, @cwd)
  return direct_path if File.file?(direct_path)

  candidates = search_dirs.map do |dir|
    candidate_names(tape_ref).map { |name| File.join(dir, name) }
  end
  candidates.flatten!

  match = candidates.find { |path| File.file?(path) }
  return match if match

  raise TapeNotFoundError, missing_message(tape_ref)
end

#search_dirs ⇒ Object 



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# File 'lib/ace/demo/molecules/tape_resolver.rb', line 28

def search_dirs
  Atoms::TapeSearchDirs.build(cwd: @cwd, home_dir: @home_dir, gem_root: @gem_root)
end