1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef DBUS_VALUES_UTIL_H_ 6#define DBUS_VALUES_UTIL_H_ 7 8#include "dbus/dbus_export.h" 9 10namespace base { 11class Value; 12} 13 14namespace dbus { 15 16class MessageReader; 17class MessageWriter; 18 19// Pops a value from |reader| as a base::Value. 20// Returns NULL if an error occurs. 21// Note: Integer values larger than int32 (including uint32) are converted to 22// double. Non-string diciontary keys are converted to strings. 23CHROME_DBUS_EXPORT base::Value* PopDataAsValue(MessageReader* reader); 24 25// Appends a basic type value to |writer|. Basic types are BOOLEAN, INTEGER, 26// DOUBLE, and STRING. Use this function for values that are known to be basic 27// types and to handle basic type members of collections that should not 28// have type "a{sv}" or "av". Otherwise, use AppendValueData. 29CHROME_DBUS_EXPORT void AppendBasicTypeValueData(MessageWriter* writer, 30 const base::Value& value); 31 32// Appends a basic type value to |writer| as a variant. Basic types are BOOLEAN, 33// INTEGER, DOUBLE, and STRING. Use this function for values that are known to 34// be basic types and to handle basic type members of collections that should 35// not have type "a{sv}" or "av". Otherwise, use AppendValueDataAsVariant. 36CHROME_DBUS_EXPORT void AppendBasicTypeValueDataAsVariant( 37 MessageWriter* writer, 38 const base::Value& value); 39 40// Appends a value to |writer|. Value can be a basic type, as well as a 41// collection type, such as dictionary or list. Collections will be recursively 42// written as variant containers, i.e. dictionaries will be written with type 43// a{sv} and lists with type av. Any sub-dictionaries or sub-lists will also 44// have these types. 45CHROME_DBUS_EXPORT void AppendValueData(MessageWriter* writer, 46 const base::Value& value); 47 48// Appends a value to |writer| as a variant. Value can be a basic type, as well 49// as a collection type, such as dictionary or list. Collections will be 50// recursively written as variant containers, i.e. dictionaries will be written 51// with type a{sv} and lists with type av. Any sub-dictionaries or sub-lists 52// will also have these types. 53CHROME_DBUS_EXPORT void AppendValueDataAsVariant(MessageWriter* writer, 54 const base::Value& value); 55 56} // namespace dbus 57 58#endif // DBUS_VALUES_UTIL_H_ 59