Class: Configuration::OutputText

Inherits:
Scope
  • Object
show all
Defined in:
lib/httpimagestore/configuration/handler.rb

Direct Known Subclasses

OutputOK

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Scope

node_parsers, #parse, register_node_parser

Constructor Details

#initialize(text, status, cache_control) ⇒ OutputText

Returns a new instance of OutputText.



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# File 'lib/httpimagestore/configuration/handler.rb', line 232

def initialize(text, status, cache_control)
  @text = RubyStringTemplate.new(text || fail("no text?!"))
  @status = status || 200
  @cache_control = cache_control
end

Class Method Details

.match(node) ⇒ Object 



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# File 'lib/httpimagestore/configuration/handler.rb', line 221

def self.match(node)
  node.name == 'output_text'
end

.parse(configuration, node) ⇒ Object 



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# File 'lib/httpimagestore/configuration/handler.rb', line 225

def self.parse(configuration, node)
  configuration.output and raise StatementCollisionError.new(node, 'output')
  text = node.grab_values('text').first
  status, cache_control = *node.grab_attributes('status', 'cache-control')
  configuration.output = OutputText.new(text, status || 200, cache_control)
end

Instance Method Details

#realize(request_state) ⇒ Object 



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# File 'lib/httpimagestore/configuration/handler.rb', line 238

def realize(request_state)
  # make sure variables are available in request context
  status = @status
  text = @text.render(request_state)
  cache_control = @cache_control
  request_state.output do
    res['Cache-Control'] = cache_control if cache_control
    write_plain status.to_i, text.to_s
  end
end