Class: Malt::Engine::Tenjin

Inherits:
Abstract show all
Defined in:
lib/malt/engines/tenjin.rb

Overview

Tenjin

Let to it’s own designs, Tenjin renders data as template instance variables. But that will not work for Malt, so use regular variables instead.

See Also:

Instance Attribute Summary

Attributes inherited from Abstract

#settings

Instance Method Summary collapse

Methods inherited from Abstract

#cache?, default, #initialize, register, type

Constructor Details

This class inherits a constructor from Malt::Engine::Abstract

Instance Method Details

#create_engine(params = {}) ⇒ Object 



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# File 'lib/malt/engines/tenjin.rb', line 68

def create_engine(params={})
  file, text = parameters(params, :file, :text)

  opts = engine_options(params)

  opts[:escapefunc] ||= 'CGI.escapeHTML'

  cached(text, file, opts) do
    ::Tenjin::Template.new(nil, opts)
  end
end

#prepare_engine(params = {}, &content) ⇒ Object 



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# File 'lib/malt/engines/tenjin.rb', line 40

def prepare_engine(params={}, &content)
  text, file = parameters(params, :text, :file)

  file ||= "(tenjin)"

  engine = create_engine(params)
  script = engine.convert(text, file)

  lambda do |scope, locals|
    vars, vals = [], []
    locals.each do |k,v|
      vars << k
      vals << v
    end

    code = %{
      lambda do |#{vars.join(',')}|
        _buf = ''
        #{script}
        _buf
      end
    }

    eval(code, scope.to_binding, file, 2).call(*vals)
  end
end

#render(params, &content) ⇒ Object

Render Tenjin.

Parameters:

  • params (Hash) —

    a customizable set of options

Options Hash (params):

  • :escapefunc (String) —

    Defaults to ‘CGI.escapeHTML’.



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# File 'lib/malt/engines/tenjin.rb', line 21

def render(params, &content)
  into, text, file, type, scope, locals = parameters(params, :to, :text, :file, :type, :scope, :locals)

  into ||= :html

  if type == :rbhtml && into != :html
    super(params, &content) 
  else
    scope, locals = make_ready(scope, locals, &content)

    engine = prepare_engine(params)

    engine.call(scope, locals)
  end
end