# hx/listing/recursiveindex - Recursive index generator # # Copyright (c) 2009-2010 MenTaLguY <mental@rydia.net> # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. require 'rubygems' require 'hx' require 'hx/listing/limit' require 'hx/listing/paginate' module Hx module Listing class RecursiveIndex include Hx::Source def self.new(source, options) listing = super(source, options) if options.has_key? :limit listing = Limit.new(listing, :limit => options[:limit]) end if options.has_key? :page_size listing = Paginate.new(listing, :page_size => options[:page_size]) end listing end def initialize(source, options) @source = source end def each_entry indexes = Hash.new { |h,k| h[k] = {'items' => []} } @source.each_entry do |path, entry| components = path.split("/") until components.empty? components.pop index_path = (components + ["index"]).join("/") index = indexes[index_path] index['items'] << {'path' => path, 'entry' => entry} if entry['modified'] and (not index['modified'] or entry['modified'] > index['modified']) index['modified'] = entry['modified'] end end end indexes.each do |path, entry| yield path, entry end self end end end end