Class: Pathname

Inherits:
Object
  • Object
show all
Defined in:
lib/rake-plus/path.rb

Overview

Patching Pathame to return self.class.new objects instead of Pathname.new

Direct Known Subclasses

Path

Instance Method Summary collapse

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/rake-plus/path.rb', line 5

def +(other)
  other = self.class.new(other) unless other.kind_of?(Pathname)
  self.class.new(plus(@path, other.to_s))
end

#join(*args) ⇒ Object 



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# File 'lib/rake-plus/path.rb', line 10

def join(*args)
  args.unshift self
  result = args.pop
  result = self.class.new(result) unless result.kind_of?(Pathname)
  return result if result.absolute?
  args.reverse_each {|arg|
    arg = self.class.new(arg) unless arg.kind_of?(Pathname)
    result = arg + result
    return result if result.absolute?
  }
  result
end

#relative_path_from(base_directory) ⇒ Object 



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# File 'lib/rake-plus/path.rb', line 23

def relative_path_from(base_directory)
  dest_directory = self.cleanpath.to_s
  base_directory = base_directory.cleanpath.to_s
  dest_prefix = dest_directory
  dest_names = []
  while r = chop_basename(dest_prefix)
    dest_prefix, basename = r
    dest_names.unshift basename if basename != '.'
  end
  base_prefix = base_directory
  base_names = []
  while r = chop_basename(base_prefix)
    base_prefix, basename = r
    base_names.unshift basename if basename != '.'
  end
  unless SAME_PATHS[dest_prefix, base_prefix]
    raise ArgumentError, "different prefix: #{dest_prefix.inspect} and #{base_directory.inspect}"
  end
  while !dest_names.empty? &&
        !base_names.empty? &&
        SAME_PATHS[dest_names.first, base_names.first]
    dest_names.shift
    base_names.shift
  end
  if base_names.include? '..'
    raise ArgumentError, "base_directory has ..: #{base_directory.inspect}"
  end
  base_names.fill('..')
  relpath_names = base_names + dest_names
  if relpath_names.empty?
    self.class.new('.')
  else
    self.class.new(File.join(*relpath_names))
  end
end