src/kits/debugger/util/ArchivingUtils.cpp

   1 /*
   2  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "ArchivingUtils.h"
   8
   9 #include <Message.h>
  10
  11
  12 /*static*/ status_t
  13 ArchivingUtils::ArchiveChild(BArchivable* object, BMessage& parentArchive,
  14         const char* fieldName)
  15 {
  16         if (object == NULL)
  17                 return B_BAD_VALUE;
  18
  19         BMessage archive;
  20         status_t error = object->Archive(&archive, true);
  21         if (error != B_OK)
  22                 return error;
  23
  24         return parentArchive.AddMessage(fieldName, &archive);
  25 }
  26
  27
  28 /*static*/ BArchivable*
  29 ArchivingUtils::UnarchiveChild(const BMessage& parentArchive,
  30         const char* fieldName, int32 index)
  31 {
  32         BMessage archive;
  33         if (parentArchive.FindMessage(fieldName, index, &archive) != B_OK)
  34                 return NULL;
  35
  36         return instantiate_object(&archive);
  37 }