// Name: object.cpp
// Purpose: wxObject implementation
// Author: Julian Smart
-// Modified by:
+// Modified by: Ron Lee
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) 1998 Julian Smart and Markus Holzem
+// (c) 2001 Ron Lee <ron@debian.org>
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#pragma implementation "object.h"
#endif
-// For compilers that support precompilation, includes "wx.h".
+ // For compilers that support precompilation, includes "wx.h".
+
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#endif
#ifndef WX_PRECOMP
- #include "wx/hash.h"
- #if wxUSE_SERIAL
- #include "wx/objstrm.h"
- #include "wx/serbase.h"
-
- // for error messages
- #include "wx/log.h"
- #include "wx/intl.h"
- #endif // wxUSE_SERIAL
-#endif // WX_PRECOMP
+#include "wx/hash.h"
+#endif
#include <string.h>
#include <assert.h>
#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
// for wxObject::Dump
- #include "wx/ioswrap.h"
- #if defined(__VISAGECPP__)
- // help with VA debugging
- #define DEBUG_PRINTF(NAME) { static int raz=0; \
- printf( #NAME " %i\n",raz); fflush(stdout); \
- raz++; \
- }
- #else
- #define DEBUG_PRINTF(NAME)
- #endif
+#include "wx/ioswrap.h"
+
+#if defined(__VISAGECPP__)
+#define DEBUG_PRINTF(NAME) { static int raz=0; \
+ printf( #NAME " %i\n",raz); fflush(stdout); raz++; }
+#else
+#define DEBUG_PRINTF(NAME)
#endif
-wxClassInfo wxObject::sm_classwxObject((wxChar *) wxT("wxObject"), (wxChar *) NULL, (wxChar *) NULL, (int ) sizeof(wxObject), (wxObjectConstructorFn) NULL);
-wxClassInfo* wxClassInfo::sm_first = (wxClassInfo *) NULL;
-wxHashTable* wxClassInfo::sm_classTable = (wxHashTable*) NULL;
+#endif
-// These are here so we can avoid 'always true/false' warnings
-// by referring to these instead of TRUE/FALSE
-const bool wxTrue = TRUE;
-const bool wxFalse = FALSE;
+
+wxClassInfo wxObject::sm_classwxObject( wxT("wxObject"), 0, 0,
+ (int) sizeof(wxObject),
+ (wxObjectConstructorFn) 0 );
+wxClassInfo* wxClassInfo::sm_first = 0;
+wxHashTable* wxClassInfo::sm_classTable = 0;
-/*
- * wxWindows root object.
- */
+ // These are here so we can avoid 'always true/false' warnings
+ // by referring to these instead of TRUE/FALSE
-wxObject::wxObject()
-{
- m_refData = (wxObjectRefData *) NULL;
-#if wxUSE_SERIAL
- m_serialObj = (wxObject_Serialize *)NULL;
-#endif
-}
-
-wxObject::~wxObject()
-{
- UnRef();
-#if wxUSE_SERIAL
- if (m_serialObj)
- delete m_serialObj;
-#endif
-}
+const bool wxTrue = TRUE;
+const bool wxFalse = FALSE;
-/*
- * Is this object a kind of (a subclass of) 'info'?
- * E.g. is wxWindow a kind of wxObject?
- * Go from this class to superclass, taking into account
- * two possible base classes.
- */
+ // Is this object a kind of (a subclass of) 'info'?
+ // E.g. is wxWindow a kind of wxObject?
+ // Go from this class to superclass, taking into account
+ // two possible base classes.
bool wxObject::IsKindOf(wxClassInfo *info) const
{
wxClassInfo *thisInfo = GetClassInfo();
- if (thisInfo)
- return thisInfo->IsKindOf(info);
- else
- return FALSE;
+ return (thisInfo) ? thisInfo->IsKindOf(info) : FALSE ;
}
#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
#undef new
#endif
-void *wxObject::operator new (size_t size, wxChar * fileName, int lineNum)
+void *wxObject::operator new (size_t size, wxChar *fileName, int lineNum)
{
return wxDebugAlloc(size, fileName, lineNum, TRUE);
}
-#if defined(__VISAGECPP__)
-# if __DEBUG_ALLOC__
-void wxObject::operator delete (void * buf,const char * _fname, size_t _line)
+#ifndef __VISAGECPP__
+void wxObject::operator delete (void *buf)
{
wxDebugFree(buf);
}
-# endif //__DEBUG_ALLOC__
-#else
-void wxObject::operator delete (void * buf)
+#elif __DEBUG_ALLOC__
+void wxObject::operator delete (void *buf, const char *_fname, size_t _line)
{
wxDebugFree(buf);
}
-#endif // __VISAGECPP__
+#endif
+
+ // VC++ 6.0
-// VC++ 6.0
#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
-void wxObject::operator delete(void* pData, wxChar* /* fileName */, int /* lineNum */)
+void wxObject::operator delete(void *pData, wxChar *WXUNUSED(fileName), int WXUNUSED(lineNum))
{
::operator delete(pData);
}
#endif
-// Cause problems for VC++ - crashes
+ // Cause problems for VC++ - crashes
+
#if (!defined(__VISUALC__) && wxUSE_ARRAY_MEMORY_OPERATORS ) || defined(__MWERKS__)
-void * wxObject::operator new[] (size_t size, wxChar * fileName, int lineNum)
+void *wxObject::operator new[] (size_t size, wxChar *fileName, int lineNum)
{
return wxDebugAlloc(size, fileName, lineNum, TRUE, TRUE);
}
-void wxObject::operator delete[] (void * buf)
+void wxObject::operator delete[] (void *buf)
{
wxDebugFree(buf, TRUE);
}
#endif
-#endif
-
-/*
- * Class info: provides run-time class type information.
- */
-
-wxClassInfo::wxClassInfo(const wxChar *cName,
- const wxChar *baseName1,
- const wxChar *baseName2,
- int sz,
- wxObjectConstructorFn constr)
-{
- m_className = cName;
- m_baseClassName1 = baseName1;
- m_baseClassName2 = baseName2;
-
- m_objectSize = sz;
- m_objectConstructor = constr;
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
- m_next = sm_first;
- sm_first = this;
- m_baseInfo1 = (wxClassInfo *) NULL;
- m_baseInfo2 = (wxClassInfo *) NULL;
-}
+// ----------------------------------------------------------------------------
+// wxClassInfo
+// ----------------------------------------------------------------------------
-wxObject *wxClassInfo::CreateObject()
+wxClassInfo *wxClassInfo::FindClass(const wxChar *className)
{
- if (m_objectConstructor)
- return (wxObject *)(*m_objectConstructor)();
- else
- return (wxObject *) NULL;
-}
+ for(wxClassInfo *info = sm_first; info ; info = info->m_next)
+ if( wxStrcmp(info->GetClassName(), className) == 0 )
+ return info;
-wxClassInfo *wxClassInfo::FindClass(const wxChar *c)
-{
- wxClassInfo *p = sm_first;
- while (p)
- {
- if ( wxStrcmp(p->GetClassName(), c) == 0 )
- break;
-
- p = p->m_next;
- }
-
- return p;
+ return 0;
}
-// Climb upwards through inheritance hierarchy.
-// Dual inheritance is catered for.
-bool wxClassInfo::IsKindOf(const wxClassInfo *info) const
-{
- if (info == NULL)
- return FALSE;
-
- if (this == info)
- return TRUE;
-
- if (m_baseInfo1)
- if (m_baseInfo1->IsKindOf(info))
- return TRUE;
+ // Set pointers to base class(es) to speed up IsKindOf
- if (m_baseInfo2)
- return m_baseInfo2->IsKindOf(info);
-
- return FALSE;
-}
-
-// Set pointers to base class(es) to speed up IsKindOf
void wxClassInfo::InitializeClasses()
{
// using IMPLEMENT_DYNAMIC_CLASS() macro twice (which may happen if you
// because it will enter an infinite loop and eventually die with "out of
// memory" - as this is quite hard to detect if you're unaware of this,
// try to do some checks here
+
#ifdef __WXDEBUG__
- // more classes than we'll ever have
- static const size_t nMaxClasses = 10000;
+ static const size_t nMaxClasses = 10000; // more than we'll ever have
size_t nClass = 0;
-#endif // Debug
+#endif
wxClassInfo::sm_classTable = new wxHashTable(wxKEY_STRING);
- // Index all class infos by their class name
- wxClassInfo *info = sm_first;
- while (info)
+ // Index all class infos by their class name
+
+ wxClassInfo *info;
+ for(info = sm_first; info; info = info->m_next)
{
if (info->m_className)
{
wxASSERT_MSG( ++nClass < nMaxClasses,
_T("an infinite loop detected - have you used IMPLEMENT_DYNAMIC_CLASS() twice (may be by linking some object module(s) twice)?") );
-
sm_classTable->Put(info->m_className, (wxObject *)info);
}
-
- info = info->m_next;
}
- // Set base pointers for each wxClassInfo
- info = sm_first;
- while (info)
+ // Set base pointers for each wxClassInfo
+
+ for(info = sm_first; info; info = info->m_next)
{
if (info->GetBaseClassName1())
info->m_baseInfo1 = (wxClassInfo *)sm_classTable->Get(info->GetBaseClassName1());
if (info->GetBaseClassName2())
info->m_baseInfo2 = (wxClassInfo *)sm_classTable->Get(info->GetBaseClassName2());
- info = info->m_next;
}
}
void wxClassInfo::CleanUpClasses()
{
delete wxClassInfo::sm_classTable;
- wxClassInfo::sm_classTable = NULL;
+ wxClassInfo::sm_classTable = 0;
}
+
wxObject *wxCreateDynamicObject(const wxChar *name)
{
#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
if (wxClassInfo::sm_classTable)
{
wxClassInfo *info = (wxClassInfo *)wxClassInfo::sm_classTable->Get(name);
- if (!info)
- return (wxObject *)NULL;
-
- return info->CreateObject();
+ return info != 0 ? info->CreateObject() : 0;
}
else
{
- wxClassInfo *info = wxClassInfo::sm_first;
- while (info)
- {
+ for(wxClassInfo *info = wxClassInfo::sm_first; info; info = info->m_next)
if (info->m_className && wxStrcmp(info->m_className, name) == 0)
return info->CreateObject();
- info = info->m_next;
- }
- return (wxObject*) NULL;
- }
-}
-
-#if wxUSE_SERIAL
-
-#include "wx/serbase.h"
-#include "wx/dynlib.h"
-
-wxObject* wxCreateStoredObject( wxInputStream &stream )
-{
- wxObjectInputStream obj_s(stream);
- return obj_s.LoadObject();
-};
-
-void wxObject::StoreObject( wxObjectOutputStream& stream )
-{
-#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
- DEBUG_PRINTF(wxObject::StoreObject)
-#endif
-
- wxString obj_name = wxString(GetClassInfo()->GetClassName()) + "_Serialize";
- wxLibrary *lib = wxTheLibraries.LoadLibrary("wxserial");
-
- if (!lib) {
- wxLogError(_("Can't load wxSerial dynamic library."));
- return;
- }
- if (!m_serialObj) {
- m_serialObj = (WXSERIAL(wxObject) *)lib->CreateObject( obj_name );
-
- if (!m_serialObj) {
- wxLogError(_("Can't find the serialization object '%s' "
- "for the object '%s'."),
- obj_name.c_str(),
- GetClassInfo()->GetClassName());
- return;
- }
- m_serialObj->SetObject(this);
+ return 0;
}
-
- m_serialObj->StoreObject(stream);
-}
-
-void wxObject::LoadObject( wxObjectInputStream& stream )
-{
-#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
- DEBUG_PRINTF(wxObject::LoadObject)
-#endif
-
- wxString obj_name = wxString(GetClassInfo()->GetClassName()) + "_Serialize";
- wxLibrary *lib = wxTheLibraries.LoadLibrary("wxserial");
-
- if (!m_serialObj) {
- m_serialObj = (WXSERIAL(wxObject) *)lib->CreateObject( obj_name );
-
- if (!m_serialObj) {
- wxLogError(_("Can't find the serialization object '%s' "
- "for the object '%s'."),
- obj_name.c_str(),
- GetClassInfo()->GetClassName());
- return;
- }
- m_serialObj->SetObject(this);
- }
-
- m_serialObj->LoadObject(stream);
}
-#endif // wxUSE_SERIAL
-/*
- * wxObject: cloning of objects
- */
+// ----------------------------------------------------------------------------
+// wxClassInfo
+// ----------------------------------------------------------------------------
void wxObject::Ref(const wxObject& clone)
{
#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
DEBUG_PRINTF(wxObject::Ref)
#endif
- // delete reference to old data
+
+ // delete reference to old data
UnRef();
+
// reference new data
- if (clone.m_refData) {
+ if( clone.m_refData )
+ {
m_refData = clone.m_refData;
++(m_refData->m_count);
}
void wxObject::UnRef()
{
- if ( m_refData )
+ if( m_refData )
{
wxASSERT_MSG( m_refData->m_count > 0, _T("invalid ref data count") );
if ( !--m_refData->m_count )
delete m_refData;
- m_refData = (wxObjectRefData *) NULL;
+ m_refData = 0;
}
}
-/*
- * wxObjectData
- */
-
-wxObjectRefData::wxObjectRefData(void) : m_count(1)
-{
-}
-
-wxObjectRefData::~wxObjectRefData()
-{
-}
#if defined(__DARWIN__) && defined(DYLIB_INIT)
void wxWindowsDylibInit(void);
};
-// Dynamic shared library (dylib) initialization routine
-// required to initialize static C++ objects bacause of lazy dynamic linking
-// http://developer.apple.com/techpubs/macosx/Essentials/
-// SystemOverview/Frameworks/Dynamic_Shared_Libraries.html
-//
+ // Dynamic shared library (dylib) initialization routine
+ // required to initialize static C++ objects bacause of lazy dynamic linking
+ // http://developer.apple.com/techpubs/macosx/Essentials/
+ // SystemOverview/Frameworks/Dynamic_Shared_Libraries.html
+
void wxWindowsDylibInit()
{
// The function __initialize_Cplusplus() must be called from the shared
}
#endif
+
+// vi:sts=4:sw=4:et
projects / wxWidgets.git / blobdiff