Method: Qt::Internal.makeMetaData

Defined in:

lib/Qt/qtruby4.rb

.makeMetaData(classname, classinfos, dbus, signals, slots) ⇒ Object

# File 'lib/Qt/qtruby4.rb', line 2927

def Internal.makeMetaData(classname, classinfos, dbus, signals, slots)
  # Each entry in 'stringdata' corresponds to a string in the
  # qt_meta_stringdata_<classname> structure.
  # 'pack_string' is used to convert 'stringdata' into the
  # binary sequence of null terminated strings for the metaObject
  stringdata = []
  pack_string = ""
  string_table = string_table_handler(stringdata, pack_string)

  # This is used to create the array of uints that make up the
  # qt_meta_data_<classname> structure in the metaObject
  data = [1,                 # revision
      string_table.call(classname),   # classname
      classinfos.length, classinfos.length > 0 ? 10 : 0,   # classinfo
      signals.length + slots.length,
      10 + (2*classinfos.length),   # methods
      0, 0,               # properties
      0, 0]              # enums/sets

  classinfos.each do |entry|
    data.push string_table.call(entry[0])    # key
    data.push string_table.call(entry[1])    # value
  end

  signals.each do |entry|
    data.push string_table.call(entry.full_name)        # signature
    data.push string_table.call(entry.full_name.delete("^,"))  # parameters
    data.push string_table.call(entry.reply_type)        # type, "" means void
    data.push string_table.call("")        # tag
    if dbus
      data.push MethodScriptable | MethodSignal | AccessPublic
    else
      data.push entry.access  # flags, always protected for now
    end
  end

  slots.each do |entry|
    data.push string_table.call(entry.full_name)        # signature
    data.push string_table.call(entry.full_name.delete("^,"))  # parameters
    data.push string_table.call(entry.reply_type)        # type, "" means void
    data.push string_table.call("")        # tag
    if dbus
      data.push MethodScriptable | MethodSlot | AccessPublic  # flags, always public for now
    else
      data.push entry.access    # flags, always public for now
    end
  end

  data.push 0    # eod

  return [stringdata.pack(pack_string), data]
end