193 lines
4.6 KiB
Ruby
193 lines
4.6 KiB
Ruby
# encoding: utf-8
|
|
|
|
# === The boot process === #
|
|
# 1) load the app
|
|
# 2) load the rules (controllers / globs mapping)
|
|
# 3) load & instantiate all the renderable items
|
|
# 4) render all the items (here the filters & layouting run)
|
|
# 5) match the routes, write the files
|
|
|
|
require "yaml"
|
|
require "fileutils"
|
|
require "ace/filters/sass"
|
|
require "digest/sha1"
|
|
require "date"
|
|
|
|
module Ace
|
|
module Helpers
|
|
# include your helpers here
|
|
end
|
|
|
|
class RawItem
|
|
attr_accessor :path, :metadata, :content
|
|
def initialize(path)
|
|
@data = File.read(path)
|
|
end
|
|
|
|
def check_metadata_created_at(path)
|
|
if self.metadata[:title]
|
|
year, month, day = File.basename(path).slice(0,10).split('-')
|
|
self.metadata[:created_at] ||= Date.new(year.to_i, month.to_i, day.to_i)
|
|
end
|
|
end
|
|
|
|
def parse
|
|
pieces = @data.split(/^-{3,5}\s*$/)
|
|
# if pieces.size < 3
|
|
# raise RuntimeError.new(
|
|
# "The file '#{path}' appears to start with a metadata section (three or five dashes at the top) but it does not seem to be in the correct format."
|
|
# )
|
|
# end
|
|
|
|
# Parse
|
|
self.metadata = YAML.load(pieces[1]).inject(Hash.new) { |metadata, pair| metadata.merge(pair[0].to_sym => pair[1]) } || Hash.new
|
|
# TODO: check metadata[:created_at] and supply it from filename
|
|
self.content = pieces[2..-1].join.strip
|
|
end
|
|
end
|
|
|
|
# This class represents the items which will be
|
|
# eventually rendered like concrete posts, tags etc.
|
|
class Item
|
|
def self.inherited(subclass)
|
|
self.subclasses << subclass
|
|
|
|
self.before_filters.each do |instance|
|
|
subclass.before_filters << instance.dup
|
|
end
|
|
|
|
self.after_filters.each do |instance|
|
|
subclass.after_filters << instance.dup
|
|
end
|
|
end
|
|
|
|
def self.subclasses
|
|
@subclasses ||= [self]
|
|
end
|
|
|
|
def self.instances
|
|
@instances ||= Array.new
|
|
end
|
|
|
|
def self.all_subclasses
|
|
self.subclasses + self.subclasses.map(&:subclasses).flatten
|
|
end
|
|
|
|
def self.all_instances
|
|
self.all_subclasses.map(&:instances).flatten
|
|
end
|
|
|
|
def self.before_filters
|
|
@before_filters ||= Array.new
|
|
end
|
|
|
|
def self.before(filter, *args)
|
|
self.before_filters << filter.new(*args)
|
|
end
|
|
|
|
def self.after_filters
|
|
@after_filters ||= Array.new
|
|
end
|
|
|
|
def self.after(filter, *args)
|
|
self.after_filters << filter.new(*args)
|
|
end
|
|
|
|
def self.create(metadata, content)
|
|
self.new(metadata, content).tap(&:register)
|
|
end
|
|
|
|
# Content can be anything, not just a string.
|
|
attr_accessor :metadata, :content
|
|
attr_accessor :original_path
|
|
def initialize(metadata, content)
|
|
@metadata = metadata
|
|
@content = content
|
|
end
|
|
|
|
def config
|
|
@config ||= begin
|
|
YAML::load_file("config.yml").inject(Hash.new) do |hash, pair|
|
|
hash.merge!(pair[0].to_sym => pair[1])
|
|
end
|
|
end
|
|
end
|
|
|
|
def register
|
|
instances = self.class.instances
|
|
unless instances.include?(self)
|
|
self.class.instances << self
|
|
end
|
|
end
|
|
|
|
def unregister
|
|
self.class.instances.delete(self)
|
|
end
|
|
|
|
def render
|
|
output = self.class.before_filters.inject(self.content) do |buffer, filter|
|
|
filter.call(self, buffer)
|
|
end
|
|
|
|
self.class.after_filters.inject(output) do |buffer, filter|
|
|
filter.call(self, buffer)
|
|
end
|
|
end
|
|
|
|
def server_path
|
|
absolute = self.output_path.sub(/^output\//, "")
|
|
"/#{absolute}"
|
|
end
|
|
|
|
def base_url
|
|
self.config[:base_url]
|
|
end
|
|
|
|
def permalink
|
|
if self.config[:base_url].nil?
|
|
raise "You have to add :base_url into config.yml or redefine #base_url method!"
|
|
end
|
|
|
|
"#{self.base_url}#{self.server_path}"
|
|
end
|
|
|
|
def digest(data)
|
|
Digest::SHA1.hexdigest(data)
|
|
end
|
|
|
|
attr_writer :output_path
|
|
def output_path
|
|
@output_path ||= begin
|
|
unless self.original_path.nil?
|
|
self.original_path.sub("content", "output")
|
|
end
|
|
end
|
|
end
|
|
|
|
def save!
|
|
puts "~ [RENDER] #{self.output_path}"
|
|
content = self.render # so filters can influence output_path
|
|
|
|
begin
|
|
old_content = File.open(self.output_path, "rb") { |f| f.read }
|
|
rescue
|
|
old_content = ''
|
|
end
|
|
|
|
if self.digest(content) != self.digest(old_content)
|
|
warn "~ CRC isn't same, save new content into #{self.output_path}"
|
|
# puts old_content.inspect
|
|
# puts content.inspect
|
|
|
|
FileUtils.mkdir_p File.dirname(self.output_path)
|
|
File.open(self.output_path, "w") do |file|
|
|
file.puts(content)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
class Asset < Item
|
|
before Ace::SassFilter
|
|
end
|
|
end
|