Class: Deas::TemplateSource

Inherits:
Object
  • Object
show all
Defined in:
lib/deas/template_source.rb

Direct Known Subclasses

NullTemplateSource

Constant Summary collapse

DISALLOWED_ENGINE_EXTS = 
[ 'rb' ]
DisallowedEngineExtError = 
Class.new(ArgumentError)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, logger = nil) ⇒ TemplateSource 



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# File 'lib/deas/template_source.rb', line 14

def initialize(path, logger = nil)
  @path = path.to_s
  @default_opts = {
    'source_path'          => @path,
    'logger'               => logger || Deas::NullLogger.new,
    'deas_template_source' => self
  }
  @engines = Hash.new{ |h,k| Deas::NullTemplateEngine.new(@default_opts) }
end

Instance Attribute Details

#engines ⇒ Object (readonly)

Returns the value of attribute engines.



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# File 'lib/deas/template_source.rb', line 12

def engines
  @engines
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/deas/template_source.rb', line 12

def path
  @path
end

Instance Method Details

#engine(input_ext, engine_class, registered_opts = nil) ⇒ Object 



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# File 'lib/deas/template_source.rb', line 24

def engine(input_ext, engine_class, registered_opts = nil)
  if DISALLOWED_ENGINE_EXTS.include?(input_ext)
    raise DisallowedEngineExtError, "`#{input_ext}` is disallowed as an"\
                                    " engine extension."
  end
  engine_opts = @default_opts.merge(registered_opts || {})
  @engines[input_ext.to_s] = engine_class.new(engine_opts)
end

#engine_for?(template_name) ⇒ Boolean 



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# File 'lib/deas/template_source.rb', line 33

def engine_for?(template_name)
  @engines.keys.include?(get_template_ext(template_name))
end

#partial(template_name, locals, &content) ⇒ Object 



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# File 'lib/deas/template_source.rb', line 45

def partial(template_name, locals, &content)
  get_engine(template_name).partial(template_name, locals, &content)
end

#render(template_name, view_handler, locals, &content) ⇒ Object 



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# File 'lib/deas/template_source.rb', line 37

def render(template_name, view_handler, locals, &content)
  [ view_handler.class.layouts,
    template_name
  ].flatten.reverse.inject(content) do |render_proc, name|
    proc{ get_engine(name).render(name, view_handler, locals, &render_proc) }
  end.call
end