Add Marley migrator. Closes jekyll#28.

History.txt

@@ -4,6 +4,7 @@
     * Add Drupal migrator (#245)
     * Complain about YAML and Liquid errors (#249)
     * Remove orphaned files during regeneration (#247)
+    * Add Marley migrator (#28)
 
 == 0.8.0 / 2010-11-22
   * Minor Enhancements

lib/jekyll/migrators/marley.rb

@@ -0,0 +1,53 @@
+require 'yaml'
+require 'fileutils'
+
+module Jekyll
+  module Marley
+
+    def self.regexp
+      { :id    => /^\d{0,4}-{0,1}(.*)$/,
+        :title => /^#\s*(.*)\s+$/,
+        :title_with_date => /^#\s*(.*)\s+\(([0-9\/]+)\)$/,
+        :published_on => /.*\s+\(([0-9\/]+)\)$/,
+        :perex => /^([^\#\n]+\n)$/,
+        :meta  => /^\{\{\n(.*)\}\}\n$/mi # Multiline Regexp 
+      }
+    end
+
+    def self.process(marley_data_dir)
+      raise ArgumentError, "marley dir #{marley_data_dir} not found" unless File.directory?(marley_data_dir)
+
+      FileUtils.mkdir_p "_posts"
+
+      posts = 0
+      Dir["#{marley_data_dir}/**/*.txt"].each do |f|
+        next unless File.exists?(f)
+
+        #copied over from marley's app/lib/post.rb
+        file_content  = File.read(f)
+        meta_content  = file_content.slice!( self.regexp[:meta] )
+        body          = file_content.sub( self.regexp[:title], '').sub( self.regexp[:perex], '').strip
+
+        title = file_content.scan( self.regexp[:title] ).first.to_s.strip
+        prerex = file_content.scan( self.regexp[:perex] ).first.to_s.strip
+        published_on = DateTime.parse( post[:published_on] ) rescue File.mtime( File.dirname(f) )
+        meta          = ( meta_content ) ? YAML::load( meta_content.scan( self.regexp[:meta]).to_s ) : {}
+        meta['title'] = title
+        meta['layout'] = 'post'
+
+        formatted_date = published_on.strftime('%Y-%m-%d')
+        post_name =  File.dirname(f).split(%r{/}).last.gsub(/\A\d+-/, '')
+
+        name = "#{formatted_date}-#{post_name}" 
+        File.open("_posts/#{name}.markdown", "w") do |f|
+          f.puts meta.to_yaml
+          f.puts "---\n"
+          f.puts "\n#{prerex}\n\n" if prerex
+          f.puts body
+        end
+        posts += 1
+      end
+      "Created #{posts} posts!"
+    end
+  end
+end