Class: Config::Sources::YAMLSource

Inherits:
Object
  • Object
show all
Defined in:
lib/config/sources/yaml_source.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, namespace = nil) ⇒ YAMLSource

Returns a new instance of YAMLSource.



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# File 'lib/config/sources/yaml_source.rb', line 9

def initialize(path, namespace=nil)
  @path = path
  @namespace = namespace
end

Instance Attribute Details

#namespace ⇒ Object

Returns the value of attribute namespace.



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# File 'lib/config/sources/yaml_source.rb', line 7

def namespace
  @namespace
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/config/sources/yaml_source.rb', line 7

def path
  @path
end

Instance Method Details

#load ⇒ Object

returns a config hash from the YML file



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# File 'lib/config/sources/yaml_source.rb', line 15

def load
  if @path and File.exist?(@path.to_s)
    result = YAML.load(ERB.new(IO.read(@path.to_s)).result)
  end
  if self.namespace
    namespaces = self.namespace.split("/")
    result = namespaces.reverse.inject(result || {}) { |acc, space| { space => acc } }
  end
  result || {}
rescue Psych::SyntaxError => e
  raise "YAML syntax error occurred while parsing #{@path}. " \
        "Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
        "Error: #{e.message}"
end