/////////////////////////////////////////////////////////////////////////////// // 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 // 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 #define _WX_ERROR_REMOVE2(x) wxT("bad index in " #x "::RemoveAt()") // 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::Empty() \ { \ for ( size_t ui = 0; ui < Count(); ui++ ) \ delete (T*)wxBaseArray::Item(ui); \ \ wxBaseArray::Clear(); \ } \ \ 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)