Class: FAQML::WrapFilter

Inherits:
Temple::Filter
  • Object
show all
Defined in:
lib/fml/wrap_filter.rb

Overview

organizes the FAQs into a wrapped-block layout

Defined Under Namespace

Classes: SexpError

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ WrapFilter

Returns a new instance of WrapFilter.



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# File 'lib/fml/wrap_filter.rb', line 7

def initialize(options = {})
  @options = options
end

Instance Method Details

#call(exp) ⇒ Object 



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# File 'lib/fml/wrap_filter.rb', line 11

def call(exp)
  compile(exp)
end

#on_multi(*exps) ⇒ Object 



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# File 'lib/fml/wrap_filter.rb', line 15

def on_multi(*exps)
  result = [:multi]

  current_block = nil

  exps.each do |exp|
    exp = compile(exp)

    if exp.length > 2 && exp[0] == :fml
      case exp[1]
      when :question
        # compile the details
        # exp[3] = compile(exp[3])
        current_block = [:fml, :qna, exp]
        result << current_block
      when :answer
        raise SexpError, "Cannot create an answer without a question" if current_block.nil?
        result.last << exp
        current_block = nil
      else
        result << exp
      end
      next
    end

    result << exp
  end

  result
end