Module: Requirer

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

Defined Under Namespace

Classes: DirUtilsException

Constant Summary collapse

VERSION = 
"0.0.5"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.logger ⇒ Object 



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# File 'lib/requirer.rb', line 12

def logger
  @logger ||= Logger.new($stdout).tap do |log|
    log.progname = self.name
  end
end

Class Method Details

.find_dir_with(path, search_dirs = $LOAD_PATH) ⇒ Object 



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# File 'lib/requirer.rb', line 46

def find_dir_with(path, search_dirs=$LOAD_PATH)
  fail DirUtilsException.new("No such path: #{path}") unless path
  path = path.to_s
  return path if path[0]=='/'
  search_dirs.each do |dir|
    dirname = File.expand_path(path, dir)
    return dirname if File.directory?(dirname)
  end
  fail DirUtilsException.new("No such path: #{path}")
end

.find_file_with(path, search_dirs = $LOAD_PATH) ⇒ Object 



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# File 'lib/requirer.rb', line 57

def find_file_with(path, search_dirs=$LOAD_PATH)
  fail DirUtilsException.new("No such path: #{path}") unless path
  if path[0]=='/'
    fail DirUtilsException.new("No such path: #{path}") unless File.exists?(path)
    return path
  end
  search_dirs.each do |dir|
    filename = File.expand_path(path, dir)
    return filename if File.file?(filename)
  end
  fail DirUtilsException.new("No such path: #{path}")
end

.on_dir_tree(path, &block) ⇒ Object 



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# File 'lib/requirer.rb', line 74

def on_dir_tree(path, &block)
  return nil unless path
  block.call path
  dirs = Dir["#{path}/*"].select{ |f| File.directory?(f) }
  dirs.each{ |dir| on_dir_tree dir, &block }
end

.require_absolute_dir(path) ⇒ Object 



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# File 'lib/requirer.rb', line 35

def require_absolute_dir(path)
  return nil unless path

  Requirer.logger.debug "requiring absolute dir:#{path}:"
  Dir["#{path}/[^_]*.rb"].sort.each do |file|
    next unless File.file?(file)
    Requirer.logger.debug "requiring file:#{file}:"
    require_dependency file
  end
end

.require_dir(path) ⇒ Object 



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# File 'lib/requirer.rb', line 29

def require_dir(path)
  Requirer.logger.debug "require_dir:#{path}:"
  require_absolute_dir find_dir_with(path, $LOAD_PATH)
end

.require_dir_tree(path) ⇒ Object 



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# File 'lib/requirer.rb', line 21

def require_dir_tree(path)
  Requirer.logger.debug "dir_tree #{path}"
  path = find_dir_with(path, $LOAD_PATH)
  on_dir_tree(path) do |dir_path|
    require_absolute_dir dir_path
  end
end

.where_is?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/requirer.rb', line 70

def where_is?(path)
  find_file_with path
end