Class: PDK::Config::YAML

Inherits:
Namespace show all
Defined in:
lib/pdk/config/yaml.rb

Overview

Parses a YAML document.

See Also:

  • Namespace.parse_file

Instance Attribute Summary

Attributes inherited from Namespace

#file, #name, #parent

Instance Method Summary collapse

Methods inherited from Namespace

#[], #[]=, #child_namespace?, #fetch, #include_in_parent?, #initialize, #mount, #namespace, #read_only!, #resolve, #setting, #to_h

Constructor Details

This class inherits a constructor from PDK::Config::Namespace

Instance Method Details

#parse_file(filename) ⇒ Object 



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# File 'lib/pdk/config/yaml.rb', line 9

def parse_file(filename)
  raise unless block_given?

  data = load_data(filename)
  return if data.nil? || data.empty?

  require 'yaml'

  data = if Gem::Version.new(Psych::VERSION) >= Gem::Version.new('3.1.0.pre1')
           ::YAML.safe_load(data, permitted_classes: [Symbol], permitted_symbols: [], aliases: true)
         else
           ::YAML.safe_load(data, [Symbol], [], true)
         end
  return if data.nil?

  data.each { |k, v| yield k, PDK::Config::Setting.new(k, self, v) }
rescue Psych::SyntaxError => e
  raise PDK::Config::LoadError, format('Syntax error when loading %{file}: %{error}', file: filename, error: "#{e.problem} #{e.context}")
rescue Psych::DisallowedClass => e
  raise PDK::Config::LoadError, format('Unsupported class in %{file}: %{error}', file: filename, error: e.message)
end

#serialize_data(data) ⇒ Object

Serializes object data into a YAML string.

See Also:

  • Namespace.serialize_data


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# File 'lib/pdk/config/yaml.rb', line 34

def serialize_data(data)
  require 'yaml'

  ::YAML.dump(data)
end