DC reorganization

[wxWidgets.git] / src / common / ipcbase.cpp

diff --git a/src/common/ipcbase.cpp b/src/common/ipcbase.cpp
index 5ec21ae5741f746c497490253b71410ac9edd69e..0de6f3b045204f938ad5675f830f09502a3d1d57 100644 (file)
--- a/src/common/ipcbase.cpp
+++ b/src/common/ipcbase.cpp
@@ -1,27 +1,22 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        ipcbase.cpp
+// Name:        src/common/ipcbase.cpp
 // Purpose:     IPC base classes
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "ipcbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/defs.h"
 #endif
 
 #include "wx/ipcbase.h"
@@ -30,4 +25,61 @@ IMPLEMENT_CLASS(wxServerBase, wxObject)
 IMPLEMENT_CLASS(wxClientBase, wxObject)
 IMPLEMENT_CLASS(wxConnectionBase, wxObject)
 
+wxConnectionBase::wxConnectionBase(void *buffer, size_t bytes)
+    : m_buffer((char *)buffer),
+      m_buffersize(bytes),
+      m_deletebufferwhendone(false),
+      m_connected(true)
+{
+  if ( buffer == NULL )
+  { // behave like next constructor
+    m_buffersize = 0;
+    m_deletebufferwhendone = true;
+  }
+}
+
+wxConnectionBase::wxConnectionBase()
+    : m_buffer(NULL),
+      m_buffersize(0),
+      m_deletebufferwhendone(true),
+      m_connected(true)
+{
+}
+
+wxConnectionBase::wxConnectionBase(const wxConnectionBase& copy)
+    : wxObject(),
+      m_buffer(copy.m_buffer),
+      m_buffersize(copy.m_buffersize),
+      m_deletebufferwhendone(false),
+      m_connected(copy.m_connected)
+
+{
+  // copy constructor would require ref-counted pointer to buffer
+  wxFAIL_MSG( _T("Copy constructor of wxConnectionBase not implemented") );
+}
+
+
+wxConnectionBase::~wxConnectionBase(void)
+{
+  if ( m_deletebufferwhendone && m_buffer )
+    delete m_buffer;
+}
 
+void *wxConnectionBase::GetBufferAtLeast( size_t bytes )
+{
+  if ( m_buffersize >= bytes )
+    return m_buffer;
+  else
+  {  // need to resize buffer
+    if ( m_deletebufferwhendone )
+    { // we're in charge of buffer, increase it
+      if ( m_buffer )
+        delete m_buffer;
+      m_buffer = new char[bytes];
+      m_buffersize = bytes;
+      return m_buffer;
+    } // user-supplied buffer, fail
+    else
+      return NULL;
+  }
+}