Module: Grayskull::Formats

Defined in:
lib/grayskull/formats.rb,
lib/grayskull/formats/json_handler.rb,
lib/grayskull/formats/yaml_handler.rb

Overview

The Formats module contains handlers for all the supported formats and methods for format detection.

Defined Under Namespace

Classes: JSONHandler, YAMLHandler

Constant Summary collapse

FILENAME_PATTERN =

Regular Expression to get file extension.

/(.+)\.([^\/\.]+)/

Class Method Summary collapse

Class Method Details

.detect_format(filename) ⇒ Object

Gets the file extension of the given file and returns the file format.

Raises an exception if file is not of a valid type.



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# File 'lib/grayskull/formats.rb', line 16

def self.detect_format(filename)
  matches = FILENAME_PATTERN.match(filename.downcase).to_a
  if matches
    ext = matches[2]
    case ext
      when 'json'
        return 'json'
      when 'yml'
        return 'yaml'
      else
        raise TypeError, "Not a supported file format: " + ext
    end
  else
    raise LoadError, "Not a valid filename: " + filename
  end
end