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YARD::Templates::Engine

This module manages all creation, handling and rendering of {Template} objects.

Attributes

template_paths[RW]

@return [Array<String>] the list of registered template paths

Public Class Methods

generate(objects, options = {}) click to toggle source

Passes a set of objects to the :fulldoc template for full documentation generation. This is called by {CLI::Yardoc} to most commonly perform HTML documentation generation.

@param [Array<CodeObjects::Base>] objects a list of {CodeObjects::Base}

objects to pass to the template

@param [Hash] options (see {render}) @return [void]

# File lib/yard/templates/engine.rb, line 100
def generate(objects, options = {})
  options = set_default_options(options)
  options.objects = objects
  options.object = Registry.root
  template(options.template, :fulldoc, options.format).run(options)
end
register_template_path(path) click to toggle source

Registers a new template path in {template_paths}

@param [String] path a new template path @return [void]

# File lib/yard/templates/engine.rb, line 20
def register_template_path(path)
  template_paths.push path
end
render(options = {}) click to toggle source

Renders a template on a {CodeObjects::Base code object} using a set of default (overridable) options. Either the :object or :type keys must be provided.

If a :serializer key is provided and :serialize is not set to false, the rendered contents will be serialized through the {Serializers::Base} object. See {with_serializer}.

@example Renders an object with html formatting

Engine.render(:format => :html, :object => obj)

@example Renders without an object

Engine.render(:type => :fulldoc, :otheropts => somevalue)

@param [Hash] options the options hash @option options [Symbol] :format (:text) the default format @option options [Symbol] :type (nil) the :object's type. @option options [Symbol] :template (:default) the default template @return [String] the rendered template

# File lib/yard/templates/engine.rb, line 81
def render(options = {})
  options = set_default_options(options)
  mod = template(options.template, options.type, options.format)

  if options.serializer && options.serialize != false
    with_serializer(options.object, options.serializer) { mod.run(options) }
  else
    mod.run(options)
  end
end
template(*path) click to toggle source

Creates a template module representing the path. Searches on disk for the first directory named path (joined by '/') within the template paths and builds a template module for. All other matching directories in other template paths will be included in the generated module as mixins (for overriding).

@param [Array<String, Symbol>] path a list of path components @raise [ArgumentError] if the path does not exist within one of the

{template_paths} on disk.

@return [Template] the module representing the template

# File lib/yard/templates/engine.rb, line 34
def template(*path)
  from_template = nil
  from_template = path.shift if path.first.is_a?(Template)
  path = path.join('/')
  full_paths = find_template_paths(from_template, path)

  path = File.cleanpath(path).gsub('../', '')
  raise ArgumentError, "No such template for #{path}" if full_paths.empty?
  mod = template!(path, full_paths)

  mod
end
template!(path, full_paths = nil) click to toggle source

Forces creation of a template at path within a full_path.

@param [String] path the path name of the template @param [Array<String>] full_paths the full path on disk of the template @return [Template] the template module representing the path

# File lib/yard/templates/engine.rb, line 52
def template!(path, full_paths = nil)
  full_paths ||= [path]
  full_paths = [full_paths] unless full_paths.is_a?(Array)
  name = template_module_name(full_paths.first)
  begin; return const_get(name); rescue NameError; end

  mod = const_set(name, Module.new)
  mod.send(:include, Template)
  mod.send(:initialize, path, full_paths)
  mod
end
with_serializer(object, serializer, &block) click to toggle source

Serializes the results of a block with a serializer object.

@param [CodeObjects::Base] object the code object to serialize @param [Serializers::Base] serializer the serializer object @yield a block whose result will be serialize @yieldreturn [String] the contents to serialize @see Serializers::Base

# File lib/yard/templates/engine.rb, line 114
def with_serializer(object, serializer, &block)
  output = nil
  filename = serializer.serialized_path(object)
  if serializer.respond_to?(:basepath)
    filename = File.join(serializer.basepath, filename)
  end
  log.capture("Generating #{filename}", nil) do
    serializer.before_serialize if serializer
    output = yield
    if serializer
      serializer.serialize(object, output)
      serializer.after_serialize(output)
    end
  end
  output
end

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