Module: DirectoryWatcher::Paths

Extended by:

Paths

Included in:

DirectoryWatcher, Paths

Defined in:

lib/directory_watcher/paths.rb

Overview

Instance Method Summary (collapse)

• - (Object) lib_path(*args, &block)

  Return a path relative to the 'lib' directory in this project.

• - (Object) path(*args, &block)

  Return a path relative to the 'root' directory in the project.

• - (Object) root_dir

  The root directory of the project is considered the parent directory of the 'lib' directory.

• - (Object) sub_path(sub, *args, &block)

  Calculate the full expanded path of the item with respect to a sub path of 'root_dir'.

• - (Object) with_load_path(path, &block)

  Execute a block in the context of a path added to $LOAD_PATH.

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# File 'lib/directory_watcher/paths.rb', line 20

def lib_path(*args,&block)
  sub_path('lib', *args, &block)
end

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# File 'lib/directory_watcher/paths.rb', line 26

def path(*args,&block)
  sub_path('', *args, &block)
end

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# File 'lib/directory_watcher/paths.rb', line 12

def root_dir
  path_parts = ::File.expand_path(__FILE__).split(::File::SEPARATOR)
  lib_index = path_parts.rindex("lib")
  return path_parts[0...lib_index].join(::File::SEPARATOR) + ::File::SEPARATOR
end

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# File 'lib/directory_watcher/paths.rb', line 33

def sub_path(sub,*args,&block)
  rv = ::File.join(root_dir, sub) + ::File::SEPARATOR
  rv = ::File.join(rv, *args) if args
  if block
    with_load_path( rv ) do
      rv = block.call
    end
  end
  return rv
end

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# File 'lib/directory_watcher/paths.rb', line 46

def with_load_path(path, &block)
  $LOAD_PATH.unshift path
  block.call
ensure
  $LOAD_PATH.shift
end