mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
70 lines
No EOL
2.4 KiB
Ruby
70 lines
No EOL
2.4 KiB
Ruby
module ActionView
|
|
# This is the main entry point for rendering. It basically delegates
|
|
# to other objects like TemplateRenderer and PartialRenderer which
|
|
# actually renders the template.
|
|
class Renderer
|
|
attr_accessor :lookup_context
|
|
|
|
# TODO: render_context should not be an initialization parameter
|
|
def initialize(lookup_context, render_context)
|
|
@render_context = render_context
|
|
@lookup_context = lookup_context
|
|
@view_flow = OutputFlow.new
|
|
end
|
|
|
|
# Returns the result of a render that's dictated by the options hash. The primary options are:
|
|
#
|
|
# * <tt>:partial</tt> - See ActionView::Partials.
|
|
# * <tt>:file</tt> - Renders an explicit template file (this used to be the old default), add :locals to pass in those.
|
|
# * <tt>:inline</tt> - Renders an inline template similar to how it's done in the controller.
|
|
# * <tt>:text</tt> - Renders the text passed in out.
|
|
#
|
|
# If no options hash is passed or :update specified, the default is to render a partial and use the second parameter
|
|
# as the locals hash.
|
|
def render(options = {}, locals = {}, &block)
|
|
case options
|
|
when Hash
|
|
if block_given?
|
|
_render_partial(options.merge(:partial => options[:layout]), &block)
|
|
elsif options.key?(:partial)
|
|
_render_partial(options)
|
|
else
|
|
_render_template(options)
|
|
end
|
|
else
|
|
_render_partial(:partial => options, :locals => locals)
|
|
end
|
|
end
|
|
|
|
# Render but returns a valid Rack body. If fibers are defined, we return
|
|
# a streaming body that renders the template piece by piece.
|
|
#
|
|
# Note that partials are not supported to be rendered with streaming,
|
|
# so in such cases, we just wrap them in an array.
|
|
def render_body(options)
|
|
if options.key?(:partial)
|
|
[_render_partial(options)]
|
|
else
|
|
StreamingTemplateRenderer.new(@render_context, @lookup_context).render(options)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def _render_template(options) #:nodoc:
|
|
_template_renderer.render(options)
|
|
end
|
|
|
|
def _template_renderer #:nodoc:
|
|
@_template_renderer ||= TemplateRenderer.new(@render_context, @lookup_context)
|
|
end
|
|
|
|
def _render_partial(options, &block) #:nodoc:
|
|
_partial_renderer.setup(options, block).render
|
|
end
|
|
|
|
def _partial_renderer #:nodoc:
|
|
@_partial_renderer ||= PartialRenderer.new(@render_context, @lookup_context)
|
|
end
|
|
end
|
|
end |