src/common/serbase.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        serbase.cpp
   3 // Purpose:     wxStream base classes
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:     11/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "serbase.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18 #if defined(__WINDOWS__)
  19 #include "wx/msw/private.h"
  20 #endif
  21
  22 #include "wx/serbase.h"
  23 #include "wx/datstrm.h"
  24 #include "wx/objstrm.h"
  25
  26 #ifdef __BORLANDC__
  27 #pragma hdrstop
  28 #endif
  29
  30 #if wxUSE_SERIAL
  31
  32 // ----------------------------------------------------------------------------
  33 // wxObject_Serialize
  34 // ----------------------------------------------------------------------------
  35
  36 IMPLEMENT_DYNAMIC_CLASS(wxObject_Serialize,wxObject)
  37
  38 IMPLEMENT_SERIAL_CLASS(wxList, wxObject)
  39 IMPLEMENT_SERIAL_CLASS(wxHashTable, wxObject)
  40
  41 void WXSERIAL(wxList)::StoreObject(wxObjectOutputStream& s)
  42 {
  43   wxList *lst_object = (wxList *)Object();
  44   wxNode *node = lst_object->First();
  45
  46   if (s.FirstStage()) {
  47     while (node) {
  48       s.AddChild(node->Data());
  49       node = node->Next();
  50     }
  51     return;
  52   }
  53
  54   wxDataOutputStream data_s(s);
  55
  56   data_s.Write8(lst_object->GetDeleteContents());
  57   data_s.Write8(lst_object->GetKeyType());
  58   data_s.Write32( lst_object->Number() );
  59
  60   if (lst_object->GetKeyType() == wxKEY_INTEGER) {
  61     while (node) {
  62       data_s.Write32((size_t)node->GetKeyInteger());
  63       node = node->Next();
  64     }
  65   } else {
  66     while (node) {
  67       data_s.WriteString(node->GetKeyString());
  68       node = node->Next();
  69     }
  70   }
  71 }
  72
  73 void WXSERIAL(wxList)::LoadObject(wxObjectInputStream& s)
  74 {
  75   wxDataInputStream data_s(s);
  76   wxList *list = (wxList *)Object();
  77   int number, i;
  78
  79   list->DeleteContents( data_s.Read8() );
  80   list->SetKeyType( (wxKeyType) data_s.Read8() );
  81   number = data_s.Read32();
  82
  83   if (list->GetKeyType() == wxKEY_INTEGER) {
  84     for (i=0;i<number;i++)
  85       list->Append( data_s.Read32(), s.GetChild() );
  86   } else {
  87     for (i=0;i<number;i++)
  88       list->Append( data_s.ReadString(), s.GetChild() );
  89   }
  90 }
  91
  92 // ----------------------------------------------------------------------------
  93
  94 void WXSERIAL(wxHashTable)::StoreObject(wxObjectOutputStream& s)
  95 {
  96   wxHashTable *table = (wxHashTable *)Object();
  97   int i;
  98
  99   if (s.FirstStage()) {
 100     for (i=0;i<table->n;i++)
 101       s.AddChild(table->hash_table[i]);
 102     return;
 103   }
 104
 105   wxDataOutputStream data_s(s);
 106
 107   data_s.Write8(table->key_type);
 108   data_s.Write32(table->n);
 109 }
 110
 111 void WXSERIAL(wxHashTable)::LoadObject(wxObjectInputStream& s)
 112 {
 113   wxHashTable *table = (wxHashTable *)Object();
 114   wxDataInputStream data_s(s);
 115   int i, key, n;
 116
 117   key = data_s.Read8();
 118   n = data_s.Read32();
 119
 120   table->Create(key, n);
 121
 122   for (i=0;i<n;i++)
 123     table->hash_table[i] = (wxList *)s.GetChild();
 124 }
 125
 126 #endif // wxUSE_SERIAL