Method: RDoc::RI::Driver#load_cache_for

Defined in:

lib/rdoc/ri/driver.rb

#load_cache_for(klassname) ⇒ Object

# File 'lib/rdoc/ri/driver.rb', line 267

def load_cache_for(klassname)
  path = cache_file_for klassname

  if File.exist? path and
     File.mtime(path) >= File.mtime(class_cache_file_path) then
    File.open path, 'rb' do |fp|
      Marshal.load fp.read
    end
  else
    class_cache = nil

    File.open class_cache_file_path, 'rb' do |fp|
      class_cache = Marshal.load fp.read
    end

    klass = class_cache[klassname]
    return nil unless klass

    method_files = klass["sources"]
    cache = {}

    sys_dir = @sys_dirs.first
    method_files.each do |f|
      system_file = f.index(sys_dir) == 0
      Dir[File.join(File.dirname(f), "*")].each do |yaml|
        next unless yaml =~ /yaml$/
        next if yaml =~ /cdesc-[^\/]+yaml$/
        method = read_yaml yaml
        name = method["full_name"]
        ext_path = f
        ext_path = "gem #{$1}" if f =~ %r%gems/[\d.]+/doc/([^/]+)%
        method["source_path"] = ext_path unless system_file
        cache[name] = method
      end
    end

    write_cache cache, path
  end
end