Class: DtkCommon::DSL::Loader

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/dsl/file_parser.rb

Constant Summary collapse

BaseDirForFileTypes = 
"file_parser/file_types"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.file_parser(file_type, version = nil) ⇒ Object 



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# File 'lib/dsl/file_parser.rb', line 26

def self.file_parser(file_type,version=nil)
  instance.file_parser(file_type,version)
end

Instance Method Details

#file_parser(file_type, version = nil) ⇒ Object 



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# File 'lib/dsl/file_parser.rb', line 30

def file_parser(file_type,version=nil)
  ret = (@loaded_types[file_type]||{})[version]
  return ret if ret
  unless FileTypes.include?(file_type)
    raise Error.new("Illegal file type (#{file_type})")
  end

  #load base if no versions loaded already
  base_path = "#{BaseDirForFileTypes}/#{file_type}"
  #if (@loaded_types[file_type]||{}).empty?
  #   require File.expand_path(base_path,File.dirname(__FILE__))
  #end

  version ||= default_version(file_type)
  path = "#{base_path}/v#{version.to_s}/#{file_type}"
  require File.expand_path(path, File.dirname(__FILE__))

  base_class = FileParser.const_get(Aux.snake_to_camel_case(file_type.to_s))
  ret_class = base_class.const_get("V#{version.to_s}")
  input_hash_class = ret_class.const_get "InputHash"
  ret = ret_class.new(input_hash_class)
  (@loaded_types[file_type] ||= Hash.new)[version] = ret
  ret
end