// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#endif
#ifndef WX_PRECOMP
-#include "wx/hash.h"
-#ifdef USE_STORABLE_CLASSES
-#include "wx/objstrm.h"
-#include "wx/serbase.h"
-#endif
-#endif
+ #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 <string.h>
#include <assert.h>
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
#include "wx/memory.h"
#endif
-#if WXDEBUG || USE_DEBUG_CONTEXT
- // for wxObject::Dump
- #include <iostream.h>
+#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
+ // for wxObject::Dump
+ #include "wx/ioswrap.h"
#endif
-#if !USE_SHARED_LIBRARY
-wxClassInfo wxObject::classwxObject((char *) "wxObject", (char *) NULL, (char *) NULL, (int ) sizeof(wxObject), (wxObjectConstructorFn) NULL);
-wxClassInfo *wxClassInfo::first = (wxClassInfo *) NULL;
-wxHashTable wxClassInfo::classTable(wxKEY_STRING);
-#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;
+
+// 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;
/*
* wxWindows root object.
*/
-wxObject::wxObject(void)
+wxObject::wxObject()
{
- m_refData = (wxObjectRefData *) NULL;
-#ifdef USE_STORABLE_CLASSES
- m_serialObj = (wxObject_Serialize *)NULL;
+ m_refData = (wxObjectRefData *) NULL;
+#if wxUSE_SERIAL
+ m_serialObj = (wxObject_Serialize *)NULL;
#endif
}
-wxObject::~wxObject(void)
+wxObject::~wxObject()
{
- UnRef();
-#ifdef USE_STORABLE_CLASSES
- if (m_serialObj)
- delete m_serialObj;
+ UnRef();
+#if wxUSE_SERIAL
+ if (m_serialObj)
+ delete m_serialObj;
#endif
}
* Go from this class to superclass, taking into account
* two possible base classes.
*/
-
-bool wxObject::IsKindOf(wxClassInfo *info)
+
+bool wxObject::IsKindOf(wxClassInfo *info) const
{
- wxClassInfo *thisInfo = GetClassInfo();
- if (thisInfo)
- return thisInfo->IsKindOf(info);
- else
- return FALSE;
+ wxClassInfo *thisInfo = GetClassInfo();
+ if (thisInfo)
+ return thisInfo->IsKindOf(info);
+ else
+ return FALSE;
+}
+
+wxObject *wxObject::Clone() const
+{
+ wxObject *object = GetClassInfo()->CreateObject();
+ CopyObject(*object);
+ return object;
+}
+
+#ifdef __WXDEBUG__
+void wxObject::CopyObject(wxObject& object_dest) const
+#else // !Debug
+void wxObject::CopyObject(wxObject& WXUNUSED(object_dest)) const
+#endif // Debug/!Debug
+{
+ wxASSERT(object_dest.GetClassInfo()->IsKindOf(GetClassInfo()));
}
-#if WXDEBUG || USE_DEBUG_CONTEXT
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
void wxObject::Dump(ostream& str)
{
- if (GetClassInfo() && GetClassInfo()->GetClassName())
- str << GetClassInfo()->GetClassName();
- else
- str << "unknown object class";
+ if (GetClassInfo() && GetClassInfo()->GetClassName())
+ str << GetClassInfo()->GetClassName();
+ else
+ str << "unknown object class";
}
#endif
-#if WXDEBUG && USE_MEMORY_TRACING
+#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
#ifdef new
#undef new
#endif
-void * wxObject::operator new (size_t size, char * fileName, int lineNum)
+void *wxObject::operator new (size_t size, wxChar * fileName, int lineNum)
{
- return wxDebugAlloc(size, fileName, lineNum, TRUE);
+ return wxDebugAlloc(size, fileName, lineNum, TRUE);
}
void wxObject::operator delete (void * buf)
{
- wxDebugFree(buf);
+ wxDebugFree(buf);
}
+// VC++ 6.0
+#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
+void wxObject::operator delete(void* pData, wxChar* /* fileName */, int /* lineNum */)
+{
+ ::operator delete(pData);
+}
+#endif
+
// Cause problems for VC++ - crashes
-#ifndef _MSC_VER
-void * wxObject::operator new[] (size_t size, char * fileName, int lineNum)
+#if (!defined(__VISUALC__) && wxUSE_ARRAY_MEMORY_OPERATORS ) || defined(__MWERKS__)
+void * wxObject::operator new[] (size_t size, wxChar * fileName, int lineNum)
{
- return wxDebugAlloc(size, fileName, lineNum, TRUE, TRUE);
+ return wxDebugAlloc(size, fileName, lineNum, TRUE, TRUE);
}
void wxObject::operator delete[] (void * buf)
{
- wxDebugFree(buf, TRUE);
+ wxDebugFree(buf, TRUE);
}
#endif
* Class info: provides run-time class type information.
*/
-wxClassInfo::wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn constr)
+wxClassInfo::wxClassInfo(wxChar *cName, wxChar *baseName1, wxChar *baseName2, int sz, wxObjectConstructorFn constr)
{
- className = cName;
- baseClassName1 = baseName1;
- baseClassName2 = baseName2;
-
- objectSize = sz;
- objectConstructor = constr;
-
- next = first;
- first = this;
-
- baseInfo1 = (wxClassInfo *) NULL;
- baseInfo2 = (wxClassInfo *) NULL;
+ m_className = cName;
+ m_baseClassName1 = baseName1;
+ m_baseClassName2 = baseName2;
+
+ m_objectSize = sz;
+ m_objectConstructor = constr;
+
+ m_next = sm_first;
+ sm_first = this;
+
+ m_baseInfo1 = (wxClassInfo *) NULL;
+ m_baseInfo2 = (wxClassInfo *) NULL;
}
-wxObject *wxClassInfo::CreateObject(void)
+wxObject *wxClassInfo::CreateObject()
{
- if (objectConstructor)
- return (wxObject *)(*objectConstructor)();
- else
- return (wxObject *) NULL;
+ if (m_objectConstructor)
+ return (wxObject *)(*m_objectConstructor)();
+ else
+ return (wxObject *) NULL;
}
-wxClassInfo *wxClassInfo::FindClass(char *c)
+wxClassInfo *wxClassInfo::FindClass(wxChar *c)
{
- wxClassInfo *p = first;
- while (p)
- {
- if (p && p->GetClassName() && strcmp(p->GetClassName(), c) == 0)
- return p;
- p = p->next;
- }
- return (wxClassInfo *) NULL;
+ wxClassInfo *p = sm_first;
+ while (p)
+ {
+ if (p && p->GetClassName() && wxStrcmp(p->GetClassName(), c) == 0)
+ return p;
+ p = p->m_next;
+ }
+ return (wxClassInfo *) NULL;
}
// Climb upwards through inheritance hierarchy.
// Dual inheritance is catered for.
-bool wxClassInfo::IsKindOf(wxClassInfo *info)
+bool wxClassInfo::IsKindOf(wxClassInfo *info) const
{
- if (info == NULL)
- return FALSE;
+ if (info == NULL)
+ return FALSE;
- // For some reason, when making/using a DLL, static data has to be included
- // in both the DLL and the application. This can lead to duplicate
- // wxClassInfo objects, so we have to test the name instead of the pointers.
-#if WXMAKINGDLL
- if (GetClassName() && info->GetClassName() && (strcmp(GetClassName(), info->GetClassName()) == 0))
- return TRUE;
-#else
- if (this == info)
- return TRUE;
-#endif
+ if (this == info)
+ return TRUE;
- if (baseInfo1)
- if (baseInfo1->IsKindOf(info))
- return TRUE;
+ if (m_baseInfo1)
+ if (m_baseInfo1->IsKindOf(info))
+ return TRUE;
- if (baseInfo2)
- return baseInfo2->IsKindOf(info);
+ if (m_baseInfo2)
+ return m_baseInfo2->IsKindOf(info);
- return FALSE;
+ return FALSE;
}
// Set pointers to base class(es) to speed up IsKindOf
-void wxClassInfo::InitializeClasses(void)
+void wxClassInfo::InitializeClasses()
{
- // Index all class infos by their class name
- wxClassInfo *info = first;
- while (info)
- {
- if (info->className)
- classTable.Put(info->className, (wxObject *)info);
- info = info->next;
- }
-
- // Set base pointers for each wxClassInfo
- info = first;
- while (info)
- {
- if (info->GetBaseClassName1())
- info->baseInfo1 = (wxClassInfo *)classTable.Get(info->GetBaseClassName1());
- if (info->GetBaseClassName2())
- info->baseInfo2 = (wxClassInfo *)classTable.Get(info->GetBaseClassName2());
- info = info->next;
- }
- first = NULL;
+ // using IMPLEMENT_DYNAMIC_CLASS() macro twice (which may happen if you
+ // link any object module twice mistakenly) will break this function
+ // 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;
+ size_t nClass = 0;
+#endif // Debug
+
+ wxClassInfo::sm_classTable = new wxHashTable(wxKEY_STRING);
+
+ // Index all class infos by their class name
+ wxClassInfo *info = sm_first;
+ while (info)
+ {
+ 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)
+ {
+ 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;
+ }
}
-wxObject *wxCreateDynamicObject(char *name)
+void wxClassInfo::CleanUpClasses()
{
- wxClassInfo *info;
+ delete wxClassInfo::sm_classTable;
+ wxClassInfo::sm_classTable = NULL;
+}
- info = (wxClassInfo *)wxClassInfo::classTable.Get(name);
- if (!info)
- return (wxObject *)NULL;
+wxObject *wxCreateDynamicObject(const wxChar *name)
+{
+ if (wxClassInfo::sm_classTable)
+ {
+ wxClassInfo *info = (wxClassInfo *)wxClassInfo::sm_classTable->Get(name);
+ if (!info)
+ return (wxObject *)NULL;
- return info->CreateObject();
+ return info->CreateObject();
+ }
+ else
+ {
+ wxClassInfo *info = wxClassInfo::sm_first;
+ while (info)
+ {
+ if (info->m_className && wxStrcmp(info->m_className, name) == 0)
+ return info->CreateObject();
+ info = info->m_next;
+ }
+ return (wxObject*) NULL;
+ }
}
-#ifdef USE_STORABLE_CLASSES
+#if wxUSE_SERIAL
#include "wx/serbase.h"
#include "wx/dynlib.h"
-#include "wx/msgdlg.h"
wxObject* wxCreateStoredObject( wxInputStream &stream )
{
- wxObjectInputStream obj_s(stream);
- return obj_s.LoadObject();
+ wxObjectInputStream obj_s(stream);
+ return obj_s.LoadObject();
};
void wxObject::StoreObject( wxObjectOutputStream& stream )
{
- wxString obj_name = wxString(GetClassInfo()->GetClassName()) + "_Serialize";
- wxLibrary *lib = wxTheLibraries.LoadLibrary("wxserial");
-
- if (!lib) {
- wxMessageBox("Can't load wxSerial dynamic library.", "Alert !");
- return;
- }
- if (!m_serialObj) {
- m_serialObj = (WXSERIAL(wxObject) *)lib->CreateObject( obj_name );
+ 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) {
- wxString message;
-
- message.Printf("Can't find the serialization object (%s) for the object %s",
- WXSTRINGCAST obj_name,
- WXSTRINGCAST GetClassInfo()->GetClassName());
- wxMessageBox(message, "Alert !");
- return;
+ 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->SetObject(this);
- }
- m_serialObj->StoreObject(stream);
+ m_serialObj->StoreObject(stream);
}
void wxObject::LoadObject( wxObjectInputStream& stream )
{
- wxString obj_name = wxString(GetClassInfo()->GetClassName()) + "_Serialize";
- wxLibrary *lib = wxTheLibraries.LoadLibrary("wxserial");
-
- if (!m_serialObj) {
- m_serialObj = (WXSERIAL(wxObject) *)lib->CreateObject( obj_name );
+ wxString obj_name = wxString(GetClassInfo()->GetClassName()) + "_Serialize";
+ wxLibrary *lib = wxTheLibraries.LoadLibrary("wxserial");
if (!m_serialObj) {
- wxString message;
-
- message.Printf("Can't find the serialization object (%s) for the object %s",
- WXSTRINGCAST obj_name,
- WXSTRINGCAST GetClassInfo()->GetClassName());
- wxMessageBox(message, "Alert !");
- return;
+ 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->SetObject(this);
- }
- m_serialObj->LoadObject(stream);
+ m_serialObj->LoadObject(stream);
}
-#endif
+#endif // wxUSE_SERIAL
/*
* wxObject: cloning of objects
}
}
-void wxObject::UnRef(void)
+void wxObject::UnRef()
{
- if (m_refData) {
- assert(m_refData->m_count > 0);
- --(m_refData->m_count);
- if (m_refData->m_count == 0)
+ 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 = (wxObjectRefData *) NULL;
}
/*
{
}
-wxObjectRefData::~wxObjectRefData(void)
+wxObjectRefData::~wxObjectRefData()
{
}
-
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