class Deas::TemplateSource

Attributes

engines[R]
path[R]

Public Class Methods

new(path, logger = nil) click to toggle source
# 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

Public Instance Methods

engine(input_ext, engine_class, registered_opts = nil) click to toggle source
# 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) click to toggle source
# File lib/deas/template_source.rb, line 40
def engine_for?(ext)
  @engine_exts.include?(ext.to_s)
end
partial(template_name, locals, &content) click to toggle source
# 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) click to toggle source
# 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

Private Instance Methods

compile(name) { |engines[ext_lists) do |c, e| compile| ... } click to toggle source
# File lib/deas/template_source.rb, line 64
def compile(name)
  @ext_lists[name].drop(1).inject(yield @engines[@ext_lists[name].first]) do |c, e|
    @engines[e].compile(name, c)
  end