Module: WalrusLang

Defined in:
lib/opswalrus/walrus_lang.rb

Defined Under Namespace

Modules: Mustache, Template, Templates

Constant Summary collapse

Grammar = 
<<-GRAMMAR
  grammar WalrusLang::Parser
    rule templates
      (template*) <WalrusLang::Templates>
    end

    rule template
      ((pre:(non_mustache?) mustache post:(non_mustache?)) | fallthrough:non_mustache) <WalrusLang::Template>
    end

    rule before_mustache
      ~'{{'
    end

    rule non_mustache
      ~('{{' | '}}')
    end

    rule mustache
      ('{{' expr:templates '}}') <WalrusLang::Mustache>
    end
  end
GRAMMAR

Class Method Summary collapse

Class Method Details

.eval(template_string, bindings_from_stack_frame_offset = 1) ⇒ Object 



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# File 'lib/opswalrus/walrus_lang.rb', line 66

def self.eval(template_string, bindings_from_stack_frame_offset = 1)
  binding_from_earlier_stack_frame = binding.of_caller(bindings_from_stack_frame_offset)
  template_string =~ /{{.*}}/ ? WalrusLang.render(template_string, binding_from_earlier_stack_frame) : template_string
end

.render(template, binding_obj) ⇒ Object

binding_obj : Binding | Hash



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# File 'lib/opswalrus/walrus_lang.rb', line 60

def self.render(template, binding_obj)
  binding_obj = binding_obj.to_binding if binding_obj.respond_to?(:to_binding)
  ast = WalrusLang::Parser.parse(template)
  ast.render(binding_obj)
end