forked from alexch/deck.rb
/
rack_app.rb
93 lines (83 loc) · 2.35 KB
/
rack_app.rb
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here = File.expand_path File.dirname(__FILE__)
require 'json'
require 'coderay'
require 'rack/codehighlighter'
module Deck
class RackApp
def self.app_root
here = File.dirname(__FILE__)
app_root = File.expand_path "#{here}/../.."
end
def self.build slide_files
if const_defined?(:Thin)
if require "thin/logging"
Thin::Logging.debug = true
end
end
Rack::Builder.app do
use Rack::ShowExceptions
use Rack::ShowStatus
use Rack::Codehighlighter, :coderay,
:element => "pre>code",
:markdown => true,
:pattern => /\A[:@]{3}\s?(\w+)\s*(\n|
)/i
run ::Deck::RackApp.new(slide_files)
end
end
def initialize slide_files
@slide_files = [slide_files].flatten.map do |slide_file|
case slide_file
when /\/?showoff.json$/
puts "matched"
json_file_dir = File.expand_path(File.dirname(slide_file))
json_file = slide_file
config = JSON.parse(File.read(json_file))
config['sections'].map do |markdown_file|
if markdown_file =~ /^# / # you can use literal markdown instead of a file name
s = Slide.split(markdown_file)
s
else
File.new(json_file_dir + '/' + markdown_file)
end
end
else
File.new(slide_file)
end
end.flatten
@file_servers =
[Rack::File.new("#{::Deck::RackApp.app_root}/public")] +
@slide_files.map do |slide_file|
File.expand_path File.dirname(slide_file) if slide_file.is_a? File
end.compact.uniq.map do |slide_file_dir|
Rack::File.new(slide_file_dir)
end
end
def call env
request = Rack::Request.new(env)
if request.path == "/"
[200, {'Content-Type' => 'text/html'}, [deck.to_pretty]]
else
result = [404, {}, []]
@file_servers.each do |file_server|
result = file_server.call(env)
return result if result.first < 400
end
result
end
end
def deck
SlideDeck.new :slides => slides
end
def slides
out = []
@slide_files.each do |file|
out += if file.is_a? Slide
[file]
else
Slide.from_file file
end
end
out
end
end
end