Class: Bade::Runtime::Mixin

Inherits:
Block
  • Object
show all
Defined in:
lib/bade/runtime/mixin.rb

Instance Attribute Summary

Attributes inherited from Block

#block, #name, #render_binding

Instance Method Summary collapse

Methods inherited from Block

#call, #initialize, #render, #render!

Constructor Details

This class inherits a constructor from Bade::Runtime::Block

Instance Method Details

#call!(blocks, *args) ⇒ Object 



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# File 'lib/bade/runtime/mixin.rb', line 8

def call!(blocks, *args)
  block.call(blocks, *args)
rescue ArgumentError => e
  case e.message
  when /\Awrong number of arguments \(given ([0-9]+), expected ([0-9]+)\)\Z/,
       /\Awrong number of arguments \(([0-9]+) for ([0-9]+)\)\Z/
    # handle incorrect parameters count

    # minus one, because first argument is always hash of blocks
    given = $1.to_i - 1
    expected = $2.to_i - 1
    raise ArgumentError, "wrong number of arguments (given #{given}, expected #{expected}) for mixin `#{name}`"

  when /\Aunknown keyword: (.*)\Z/
    # handle unknown key-value parameter
    key_name = $1
    raise ArgumentError, "unknown key-value argument `#{key_name}` for mixin `#{name}`"

  else
    raise
  end

rescue Block::MissingBlockDefinitionError => e
  msg = case e.context
        when :call
          "Mixin `#{name}` requires block to get called of block `#{e.name}`"
        when :render
          "Mixin `#{name}` requires block to get rendered content of block `#{e.name}`"
        else
          raise ::ArgumentError, "Unknown context #{e.context} of error #{e}!"
        end

  raise Block::MissingBlockDefinitionError.new(e.name, e.context, msg)
end