wxWidgets/include/wx/arrimpl.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: listimpl.cpp
// Purpose: helper file for implementation of dynamic lists
// Author: Vadim Zeitlin
// Modified by:
// Created: 16.10.97
// RCS-ID: $Id$
// Copyright: (c) 1997 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
/*****************************************************************************
* Purpose: implements methods of "template" class declared in *
* DECLARE_OBJARRAY macro and which couldn't be implemented inline *
* (because they need the full definition of type T in scope) *
* *
* Usage: 1) #include dynarray.h *
* 2) WX_DECLARE_OBJARRAY *
* 3) #include arrimpl.cpp *
* 4) WX_DEFINE_OBJARRAY *
*****************************************************************************/
// needed to resolve the conflict between global T and macro parameter T
// VC++ can't cope with string concatenation in Unicode mode
#if defined(wxUSE_UNICODE) && wxUSE_UNICODE
#define _WX_ERROR_REMOVE2(x) wxT("bad index in ::RemoveAt()")
#else
#define _WX_ERROR_REMOVE2(x) wxT("bad index in " #x "::RemoveAt()")
#endif
// macro implements remaining (not inline) methods of template list
// (it's private to this file)
#undef _DEFINE_OBJARRAY
#define _DEFINE_OBJARRAY(T, name) \
name::~name() \
{ \
Empty(); \
} \
\
void name::DoCopy(const name& src) \
{ \
for ( size_t ui = 0; ui < src.Count(); ui++ ) \
Add(src[ui]); \
} \
\
name& name::operator=(const name& src) \
{ \
Empty(); \
DoCopy(src); \
\
return *this; \
} \
\
name::name(const name& src) \
{ \
DoCopy(src); \
} \
\
void name::DoEmpty() \
{ \
for ( size_t ui = 0; ui < Count(); ui++ ) \
delete (T*)wxBaseArray::Item(ui); \
} \
\
void name::RemoveAt(size_t uiIndex) \
{ \
wxCHECK_RET( uiIndex < Count(), _WX_ERROR_REMOVE2(name) ); \
\
delete (T*)wxBaseArray::Item(uiIndex); \
\
wxBaseArray::RemoveAt(uiIndex); \
} \
\
void name::Add(const T& item) \
{ \
T* pItem = new T(item); \
if ( pItem != NULL ) \
Add(pItem); \
} \
\
void name::Insert(const T& item, size_t uiIndex) \
{ \
T* pItem = new T(item); \
if ( pItem != NULL ) \
Insert(pItem, uiIndex); \
} \
\
int name::Index(const T& Item, bool bFromEnd) const \
{ \
if ( bFromEnd ) { \
if ( Count() > 0 ) { \
size_t ui = Count() - 1; \
do { \
if ( (T*)wxBaseArray::Item(ui) == &Item ) \
return ui; \
ui--; \
} \
while ( ui != 0 ); \
} \
} \
else { \
for( size_t ui = 0; ui < Count(); ui++ ) { \
if( (T*)wxBaseArray::Item(ui) == &Item ) \
return ui; \
} \
} \
\
return wxNOT_FOUND; \
}
// redefine the macro so that now it will generate the class implementation
// old value would provoke a compile-time error if this file is not included
#undef WX_DEFINE_OBJARRAY
#define WX_DEFINE_OBJARRAY(name) _DEFINE_OBJARRAY(_L##name, name)