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 4. Derivative works are permitted, but they must carry this notice 00027 in full and credit the original source. 00028 00029 00030 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 00031 00032 00033 @version Initial version, April 2004 00034 @author Kris 00035 00036 00037 *******************************************************************************/ 00038 00039 module mango.io.PickleWriter; 00040 00041 private import mango.io.EndianWriter; 00042 00043 private import mango.io.model.IPickle; 00044 00045 00046 /******************************************************************************* 00047 00048 Serialize Objects via an EndianWriter. All Objects are written in 00049 Network-order such that they may cross machine boundaries. 00050 00051 See PickleReader for an example of how to use this. 00052 00053 *******************************************************************************/ 00054 00055 version (BigEndian) 00056 alias Writer SuperClass; 00057 else 00058 alias EndianWriter SuperClass; 00059 00060 class PickleWriter : SuperClass 00061 { 00062 /*********************************************************************** 00063 00064 Construct a PickleWriter upon the given buffer. As 00065 Objects are serialized, their content is written to this 00066 buffer. The buffer content is then typically flushed to 00067 some external conduit, such as a file or socket. 00068 00069 Note that serialized data is always in Network order. 00070 00071 ***********************************************************************/ 00072 00073 this (IBuffer buffer) 00074 { 00075 super (buffer); 00076 } 00077 00078 /*********************************************************************** 00079 00080 Serialize an Object. Objects are written in Network-order, 00081 and are prefixed by the guid exposed via the IPickle 00082 interface. This guid is used to identify the appropriate 00083 factory when reconstructing the instance. 00084 00085 ***********************************************************************/ 00086 00087 PickleWriter freeze (IPickle object) 00088 { 00089 put (object.getGuid); 00090 object.write (this); 00091 return this; 00092 } 00093 } 00094