HTML5 manifest builder

lib/sproutcore/builders/html5_manifest.rb

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+# ===========================================================================
+# Project:   Abbot - SproutCore Build Tools
+# Copyright: ©2010 Apple Inc.
+#            portions copyright @2006-2009 Sprout Systems, Inc.
+#            and contributors
+# ===========================================================================
+
+require File.expand_path(File.join(File.dirname(__FILE__), 'base'))
+require 'fileutils'
+
+module SC
+
+  # This builder combines several javascript files into a single file.  It is
+  # used to prepare a single javascript file for production use.  This build
+  # tool expects the javascript files to have already been processed for any
+  # build directives such sc_static().
+  #
+  class Builder::HTML5Manifest < Builder::Base
+
+    def build(dst_path)
+      @files = []
+
+      @files << "CACHE MANIFEST\n# List of all resources required by this project\n"
+
+      path = dst_path.split('/tmp/build')
+      inspect_files(path[0] + '/tmp/build', path[1])
+
+      #puts CONFIG.html5_manifest
+      #networks = CONFIG.html5_manifest_networks
+      #if networks
+      #  @files << "\n\nNETWORK:"
+      #  networks.each do |network|
+      #    @files << network
+      #  end
+      #end
+
+      manifest_path = dst_path.sub('index.html', '') + 'app.manifest'
+      puts manifest_path
+      writelines manifest_path, @files
+    end
+
+    def joinlines(lines)
+      lines.join("\n")
+    end
+
+    def inspect_files(base_path, dst_path)
+      path = base_path + dst_path
+      content = readlines(path)
+
+      content.each do |line|
+        line.scan(/['"]([^\s]+?(?=\.(css|js|png|gif))\.\2)['"]/) do |x, y, z|
+          file_location = x
+          # in case of hyperdomaining, strip off the http part and then look
+          # for the file
+          if x[0,4] == 'http'
+            file_location = '/' + x.gsub(/http\:\/\/.*?\//, '')
+          end
+
+          next unless File.exist?(base_path + file_location)
+
+          if !@files.include?(x)
+            @files << x
+          end
+
+          if y == 'css' || y == 'js'
+            inspect_files(base_path, file_location)
+          end
+
+        end
+      end
+
+      @files
+
+    end
+
+  end
+
+end