00001 /******************************************************************************* 00002 00003 @file PickleWriter.d 00004 00005 Copyright (C) 2004 Kris Bell 00006 00007 This software is provided 'as-is', without any express or implied 00008 warranty. In no event will the authors be held liable for damages 00009 of any kind arising from the use of this software. 00010 00011 Permission is hereby granted to anyone to use this software for any 00012 purpose, including commercial applications, and to alter it and/or 00013 redistribute it freely, subject to the following restrictions: 00014 00015 1. The origin of this software must not be misrepresented; you must 00016 not claim that you wrote the original software. If you use this 00017 software in a product, an acknowledgment within documentation of 00018 said product would be appreciated but is not required. 00019 00020 2. Altered source versions must be plainly marked as such, and must 00021 not be misrepresented as being the original software. 00022 00023 3. This notice may not be removed or altered from any distribution 00024 of the source. 00025 00026 00027 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 00028 00029 00030 @version Initial version, April 2004 00031 @author Kris 00032 00033 00034 *******************************************************************************/ 00035 00036 module mango.io.PickleWriter; 00037 00038 private import mango.io.EndianWriter; 00039 00040 private import mango.io.model.IPickle; 00041 00042 00043 /******************************************************************************* 00044 00045 Serialize Objects via an EndianWriter. All Objects are written in 00046 Network-order such that they may cross machine boundaries. 00047 00048 See PickleReader for an example of how to use this. 00049 00050 *******************************************************************************/ 00051 00052 version (BigEndian) 00053 alias Writer SuperClass; 00054 else 00055 alias EndianWriter SuperClass; 00056 00057 class PickleWriter : SuperClass 00058 { 00059 /*********************************************************************** 00060 00061 Construct a PickleWriter upon the given buffer. As 00062 Objects are serialized, their content is written to this 00063 buffer. The buffer content is then typically flushed to 00064 some external conduit, such as a file or socket. 00065 00066 Note that serialized data is always in Network order. 00067 00068 ***********************************************************************/ 00069 00070 this (IBuffer buffer) 00071 { 00072 super (buffer); 00073 } 00074 00075 /*********************************************************************** 00076 00077 Serialize an Object. Objects are written in Network-order, 00078 and are prefixed by the guid exposed via the IPickle 00079 interface. This guid is used to identify the appropriate 00080 factory when reconstructing the instance. 00081 00082 ***********************************************************************/ 00083 00084 PickleWriter freeze (IPickle object) 00085 { 00086 put (object.getGuid); 00087 object.write (this); 00088 return this; 00089 } 00090 } 00091