Class: Deas::TemplateSource

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

Direct Known Subclasses

NullTemplateSource

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, logger = nil) ⇒ TemplateSource

Returns a new instance of TemplateSource.



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# File 'lib/deas/template_source.rb', line 10

def initialize(path, logger = nil)
  @path = path.to_s
  @default_engine_opts = {
    'source_path'             => @path,
    'logger'                  => logger || Deas::NullLogger.new,
    'default_template_source' => self
  }
  @engines = Hash.new do |hash, ext|
    # cache null template exts so we don't repeatedly call this block for
    # known null template exts
    hash[ext.to_s] = Deas::NullTemplateEngine.new(@default_engine_opts)
  end
  @engine_exts = []
  @ext_lists = Hash.new do |hash, template_name|
    # An ext list is an array of non-template-name extensions that have engines
    # configured.  The first ext in the list is the most precedent. Its engine
    # is used to do the initial render from the named template file. Any
    # further exts are used to compile rendered content from upsteam engines.
    hash[template_name] = parse_ext_list(template_name)
  end
end

Instance Attribute Details

#engines ⇒ Object (readonly)

Returns the value of attribute engines.



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# File 'lib/deas/template_source.rb', line 8

def engines
  @engines
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/deas/template_source.rb', line 8

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 32

def engine(input_ext, engine_class, registered_opts = nil)
  @engine_exts << input_ext.to_s

  engine_opts = @default_engine_opts.merge(registered_opts || {})
  engine_opts['ext'] = input_ext.to_s
  @engines[input_ext.to_s] = engine_class.new(engine_opts)
end

#engine_for?(ext) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deas/template_source.rb', line 40

def engine_for?(ext)
  @engine_exts.include?(ext.to_s)
end

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



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# File 'lib/deas/template_source.rb', line 56

def partial(template_name, locals, &content)
  compile(template_name) do |engine|
    engine.partial(template_name, locals, &content)
  end
end

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



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# File 'lib/deas/template_source.rb', line 44

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