Source/System/FileIO/OSB/OSGOSBVoidPAttachmentElement.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *                   Copyright (C) 2011 by the OpenSG Forum                  *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29
  30 #include "OSGOSBVoidPAttachmentElement.h"
  31
  32 #include "OSGOSBRootElement.h"
  33 #include "OSGVoidPAttachment.h"
  34
  35 OSG_BEGIN_NAMESPACE
  36
  37 /*-------------------------------------------------------------------------*/
  38 /* OSBVoidPAttachmentElement                                               */
  39 /*-------------------------------------------------------------------------*/
  40
  41 /*-------------------------------------------------------------------------*/
  42 /* Static members                                                          */
  43
  44 OSBElementRegistrationHelper<OSBVoidPAttachmentElement>
  45     OSBVoidPAttachmentElement::_regHelper =
  46         OSBElementRegistrationHelper<OSBVoidPAttachmentElement>("VoidPAttachment");
  47
  48 /*-------------------------------------------------------------------------*/
  49 /* Constructor                                                             */
  50
  51 OSBVoidPAttachmentElement::OSBVoidPAttachmentElement(OSBRootElement *root)
  52     : Inherited(root, OSGOSBHeaderVersion200)
  53 {
  54 }
  55
  56 /*-------------------------------------------------------------------------*/
  57 /* Destructor                                                              */
  58
  59 OSBVoidPAttachmentElement::~OSBVoidPAttachmentElement(void)
  60 {
  61 }
  62
  63 /*-------------------------------------------------------------------------*/
  64 /* Reading                                                                 */
  65
  66 void
  67 OSBVoidPAttachmentElement::read(const std::string &typeName)
  68 {
  69     OSG_OSB_LOG(("OSBVoidPAttachmentElement::read [%s]\n", typeName.c_str()));
  70
  71     OSBRootElement    *root      = editRoot();
  72     BinaryReadHandler *rh        = editRoot()->getReadHandler();
  73     UInt8              fcPtrType;
  74     UInt16             version;
  75
  76     rh->getValue(fcPtrType);
  77     rh->getValue(version  );
  78
  79     setContainer(VoidPAttachmentUnrecPtr(VoidPAttachment::create()));
  80
  81     // keep these ordered from highest to lowest version
  82     if(root->getHeaderVersion() >= OSGOSBHeaderVersion200)
  83     {
  84         if(root->getHeaderVersion() > OSGOSBHeaderVersion200)
  85         {
  86             FINFO(("OSBVoidPAttachmentElement::read: "
  87                    "Unknown header version, trying to read as latest.\n"));
  88         }
  89
  90         readFields("", "");
  91     }
  92     else if(root->getHeaderVersion() >= OSGOSBHeaderVersion100)
  93     {
  94         // 1.x stores the address in 32 (!) chars and writes a string,
  95         // skip it
  96
  97         readFields("'data'", "");
  98     }
  99 }
 100
 101 void
 102 OSBVoidPAttachmentElement::postRead(void)
 103 {
 104 }
 105
 106 /*-------------------------------------------------------------------------*/
 107 /* Writing                                                                 */
 108
 109 void
 110 OSBVoidPAttachmentElement::preWrite(FieldContainer * const fc)
 111 {
 112     OSG_OSB_LOG(("OSBVoidPAttachmentElement::preWrite\n"));
 113
 114     preWriteFieldContainer(fc, "");
 115 }
 116
 117 void
 118 OSBVoidPAttachmentElement::write(void)
 119 {
 120     OSG_OSB_LOG(("OSBVoidPAttachmentElement::write\n"));
 121
 122     if(getContainer() == NULL)
 123     {
 124         FWARNING(("OSBVoidPAttachmentElement::write: Attempt to write NULL.\n"));
 125         return;
 126     }
 127
 128     BinaryWriteHandler *wh = editRoot()->getWriteHandler();
 129
 130     wh->putValue(getFCPtrType(getContainer()));
 131     wh->putValue(getVersion()                );
 132
 133     writeFields("", true);
 134 }
 135
 136 OSG_END_NAMESPACE