55 lines
1.8 KiB
Ruby
55 lines
1.8 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.
|
||
|
|
#
|
||
|
|
# The Renderer will parse the options from the +render+ or +render_body+
|
||
|
|
# method and render a partial or a template based on the options. The
|
||
|
|
# +TemplateRenderer+ and +PartialRenderer+ objects are wrappers which do all
|
||
|
|
# the setup and logic necessary to render a view and a new object is created
|
||
|
|
# each time +render+ is called.
|
||
|
|
class Renderer
|
||
|
|
attr_accessor :lookup_context
|
||
|
|
|
||
|
|
def initialize(lookup_context)
|
||
|
|
@lookup_context = lookup_context
|
||
|
|
end
|
||
|
|
|
||
|
|
# Main render entry point shared by Action View and Action Controller.
|
||
|
|
def render(context, options)
|
||
|
|
if options.key?(:partial)
|
||
|
|
render_partial(context, options)
|
||
|
|
else
|
||
|
|
render_template(context, options)
|
||
|
|
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(context, options)
|
||
|
|
if options.key?(:partial)
|
||
|
|
[render_partial(context, options)]
|
||
|
|
else
|
||
|
|
StreamingTemplateRenderer.new(@lookup_context).render(context, options)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
# Direct access to template rendering.
|
||
|
|
def render_template(context, options) #:nodoc:
|
||
|
|
TemplateRenderer.new(@lookup_context).render(context, options)
|
||
|
|
end
|
||
|
|
|
||
|
|
# Direct access to partial rendering.
|
||
|
|
def render_partial(context, options, &block) #:nodoc:
|
||
|
|
PartialRenderer.new(@lookup_context).render(context, options, block)
|
||
|
|
end
|
||
|
|
|
||
|
|
def cache_hits # :nodoc:
|
||
|
|
@cache_hits ||= {}
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|