Module: Cuba::Render

Defined in:
lib/cuba/render.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.setup(app) ⇒ Object


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# File 'lib/cuba/render.rb', line 5

def self.setup(app)
  app.settings[:render] ||= {}
  app.settings[:render][:template_engine] ||= "erb"
  app.settings[:render][:layout] ||= "layout"
  app.settings[:render][:views] ||= File.expand_path("views", Dir.pwd)
  app.settings[:render][:options] ||= {
    default_encoding: Encoding.default_external
  }
end

Instance Method Details

#_cacheObject


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# File 'lib/cuba/render.rb', line 59

def _cache
  Thread.current[:_cache] ||= Tilt::Cache.new
end

#_render(template, locals = {}, options = {}, &block) ⇒ Object

Examples:


# Renders home, and is assumed to be HAML.
_render("home.haml")

# Renders with some local variables
_render("home.haml", site_name: "My Site")

# Renders with HAML options
_render("home.haml", {}, ugly: true, format: :html5)

# Renders in layout
_render("layout.haml") { _render("home.haml") }

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# File 'lib/cuba/render.rb', line 51

def _render(template, locals = {}, options = {}, &block)
  _cache.fetch(template) {
    Tilt.new(template, 1, options.merge(outvar: '@_output'))
  }.render(self, locals, &block)
end

#partial(template, locals = {}) ⇒ Object


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# File 'lib/cuba/render.rb', line 24

def partial(template, locals = {})
  _render(template_path(template), locals, settings[:render][:options])
end

#render(template, locals = {}, layout = settings[:render][:layout]) ⇒ Object


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# File 'lib/cuba/render.rb', line 15

def render(template, locals = {}, layout = settings[:render][:layout])
  res.headers["Content-Type"] ||= "text/html; charset=utf-8"
  res.write(view(template, locals, layout))
end

#template_path(template) ⇒ Object


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# File 'lib/cuba/render.rb', line 28

def template_path(template)
  dir = settings[:render][:views]
  ext = settings[:render][:template_engine]

  return File.join(dir, "#{ template }.#{ ext }")
end

#view(template, locals = {}, layout = settings[:render][:layout]) ⇒ Object


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# File 'lib/cuba/render.rb', line 20

def view(template, locals = {}, layout = settings[:render][:layout])
  partial(layout, locals.merge(content: partial(template, locals)))
end