Module: ParentPaths

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

Constant Summary collapse

VERSION = 
'0.0.3'

Class Method Summary collapse

Class Method Details

.find(start = nil, &criteria) ⇒ Object

From the given starting path, scan upward through the file hierachy until a particular criteria is met. The criteria is determined by a block that receives the path of the next directory in the hierarchy.

If a starting path is not provided, it is assumed to be the path of the file that calls this method.



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# File 'lib/parent_paths.rb', line 11

def self.find(start = nil, &criteria)
  start ||= caller_path
  if criteria.call(start)
    return start
  else
    parent = Pathname.new(start).parent.to_s
    if start == parent
      nil
    else
      find parent, &criteria
    end
  end
end

.find_owner(filename, start = nil) ⇒ Object

From the given starting path, scan upward through the file hierachy until a particular filename is discovered.

If a starting path is not provided, it is assumed to be the path of the file that calls this method.



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# File 'lib/parent_paths.rb', line 30

def self.find_owner(filename, start = nil)
  start ||= caller_path
  find(start) { |path| File.exist?(File.join(path, filename)) }
end