Class: Rails::Paths::Path

Inherits:
Array show all
Defined in:
railties/lib/rails/paths.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Array

#as_json, #encode_json, #extract_options!, #fifth, #forty_two, #fourth, #from, #in_groups, #in_groups_of, #sample, #second, #split, #third, #to, #to_formatted_s, #to_param, #to_query, #to_sentence, #to_xml, #uniq_by, #uniq_by!, wrap

Constructor Details

#initialize(root, current, *paths) ⇒ Path

Returns a new instance of Path.



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# File 'railties/lib/rails/paths.rb', line 107

def initialize(root, current, *paths)
  options = paths.last.is_a?(::Hash) ? paths.pop : {}
  super(paths.flatten)

  @current  = current
  @root     = root
  @glob     = options[:glob]

  options[:autoload_once] ? autoload_once! : skip_autoload_once!
  options[:eager_load]    ? eager_load!    : skip_eager_load!
  options[:autoload]      ? autoload!      : skip_autoload!
  options[:load_path]     ? load_path!     : skip_load_path!
end

Instance Attribute Details

#glob ⇒ Object

Returns the value of attribute glob



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# File 'railties/lib/rails/paths.rb', line 105

def glob
  @glob
end

#path ⇒ Object (readonly)

Returns the value of attribute path



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# File 'railties/lib/rails/paths.rb', line 104

def path
  @path
end

Instance Method Details

#children ⇒ Object 



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# File 'railties/lib/rails/paths.rb', line 121

def children
  keys = @root.keys.select { |k| k.include?(@current) }
  keys.delete(@current)
  @root.values_at(*keys.sort)
end

#existent ⇒ Object

Returns all expanded paths but only if they exist in the filesystem.



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# File 'railties/lib/rails/paths.rb', line 189

def existent
  expanded.select { |f| File.exists?(f) }
end

#existent_directories ⇒ Object 



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# File 'railties/lib/rails/paths.rb', line 193

def existent_directories
  expanded.select { |d| File.directory?(d) }
end

#expanded ⇒ Object Also known as: to_a

Expands all paths against the root and return all unique values.



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# File 'railties/lib/rails/paths.rb', line 152

def expanded
  raise "You need to set a path root" unless @root.path
  result = []

  each do |p|
    path = File.expand_path(p, @root.path)

    if @glob
      if File.directory? path
        result.concat expand_dir(path, @glob)
      else
        # FIXME: I think we can remove this branch, but I'm not sure.
        # Say the filesystem has this file:
        #
        #   /tmp/foobar
        #
        # and someone adds this path:
        #
        #   /tmp/foo
        #
        # with a glob of "*", then this function will return
        #
        #   /tmp/foobar
        #
        # We need to figure out if that is desired behavior.
        result.concat expand_file(path, @glob)
      end
    else
      result << path
    end
  end

  result.uniq!
  result
end

#first ⇒ Object 



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# File 'railties/lib/rails/paths.rb', line 127

def first
  expanded.first
end

#last ⇒ Object 



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# File 'railties/lib/rails/paths.rb', line 131

def last
  expanded.last
end