Module: ERBB::Receiver

Defined in:
lib/erbb/receiver.rb

Overview

Used to decorate the binding receiver with methods we want available in the template that are not defined on the binding receiver.

Constant Summary collapse

RENDERED_TEMPLATE =

The name of the ivar to use for storing the rendered template output

'@_erbb_out'.freeze

Instance Method Summary collapse

Instance Method Details

#named_block(block_name, *args) {|args| ... } ⇒ Object

When called within a template, defines a named_block. Repeated calls to a block with the same name within a template will be concatenated in the order in which they appear in the template.

Yields:

  • (args) 


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# File 'lib/erbb/receiver.rb', line 11

def named_block(block_name, *args, &block)
  # dup the output so far and save it
  original_output = __erbb_get_rendered_template.dup

  # wipe the template output ivar
  __erbb_set_rendered_template("")

  # render the block, populating the ivar with the result
  yield(*args)

  # concatenate the rendered output from the named block into the hash
  named_blocks[block_name.to_sym] ||= ""
  named_blocks[block_name.to_sym] << __erbb_get_rendered_template

  # restore the template output ivar to its original value plus this block
  __erbb_set_rendered_template(original_output + __erbb_get_rendered_template)
end

#named_blocks ⇒ Hash

Returns The blocks.

Returns:

  • (Hash) —

    The blocks



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# File 'lib/erbb/receiver.rb', line 30

def named_blocks
  @_erbb_named_blocks ||= {}
end