X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5e9670446ab3bb894f2898167d7fd070af98fcaf..ab67e8874db324fab5223cc8d5dff8a8de3e2b77:/include/wx/list.h diff --git a/include/wx/list.h b/include/wx/list.h index 247b602e34..ed34130a16 100644 --- a/include/wx/list.h +++ b/include/wx/list.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: list.h +// Name: wx/list.h // Purpose: wxList, wxStringList classes // Author: Julian Smart // Modified by: VZ at 16/11/98: WX_DECLARE_LIST() and typesafe lists added @@ -22,13 +22,8 @@ like the old class. */ -#ifndef _WX_LISTH__ -#define _WX_LISTH__ - -#if defined(__GNUG__) && !defined(__APPLE__) && \ - !(defined(__MINGW32__) && __GNUC__ == 3 && __GNUC_MINOR__ == 2) -#pragma interface "list.h" -#endif +#ifndef _WX_LIST_H_ +#define _WX_LIST_H_ // ----------------------------------------------------------------------------- // headers @@ -37,202 +32,324 @@ #include "wx/defs.h" #include "wx/object.h" #include "wx/string.h" +#include "wx/vector.h" -#if wxUSE_STL +#if wxUSE_STD_CONTAINERS #include "wx/beforestd.h" + #include + #include #include #include "wx/afterstd.h" - #if defined(__WXMSW__) && defined(__MINGW32__) - #include "wx/msw/winundef.h" - #endif #endif // ---------------------------------------------------------------------------- // types // ---------------------------------------------------------------------------- -// type of compare function for list sort operation (as in 'qsort'): it should -// return a negative value, 0 or positive value if the first element is less -// than, equal or greater than the second - -extern "C" -{ -typedef int (* LINKAGEMODE wxSortCompareFunction)(const void *elem1, const void *elem2); -} - -class WXDLLIMPEXP_BASE wxObjectListNode; +class WXDLLIMPEXP_FWD_BASE wxObjectListNode; typedef wxObjectListNode wxNode; -// -typedef int (* LINKAGEMODE wxListIterateFunction)(void *current); +#if wxUSE_STD_CONTAINERS -// ---------------------------------------------------------------------------- -// constants -// ---------------------------------------------------------------------------- +#define wxLIST_COMPATIBILITY -#if !defined(wxENUM_KEY_TYPE_DEFINED) -#define wxENUM_KEY_TYPE_DEFINED +#define WX_DECLARE_LIST_3(elT, dummy1, liT, dummy2, decl) \ + WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) +#define WX_DECLARE_LIST_PTR_3(elT, dummy1, liT, dummy2, decl) \ + WX_DECLARE_LIST_3(elT, dummy1, liT, dummy2, decl) -enum wxKeyType -{ - wxKEY_NONE, - wxKEY_INTEGER, - wxKEY_STRING -}; +#define WX_DECLARE_LIST_2(elT, liT, dummy, decl) \ + WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) +#define WX_DECLARE_LIST_PTR_2(elT, liT, dummy, decl) \ + WX_DECLARE_LIST_2(elT, liT, dummy, decl) \ -#endif +#define WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) \ + WX_DECLARE_LIST_XO(elT*, liT, decl) -#if wxUSE_STL +#if !defined(__VISUALC__) || __VISUALC__ >= 1300 // == !VC6 -#define wxLIST_COMPATIBILITY +template +class wxList_SortFunction +{ +public: + wxList_SortFunction(wxSortCompareFunction f) : m_f(f) { } + bool operator()(const T& i1, const T& i2) + { return m_f((T*)&i1, (T*)&i2) < 0; } +private: + wxSortCompareFunction m_f; +}; -#define WX_DECLARE_LIST_3(elT, dummy1, liT, dummy2, decl) \ - WX_DECLARE_LIST_X(elT, liT, decl) +#define WX_LIST_SORTFUNCTION( elT, f ) wxList_SortFunction(f) +#define WX_LIST_VC6_WORKAROUND(elT, liT, decl) -#define WX_DECLARE_LIST_2(elT, liT, dummy, decl) \ - WX_DECLARE_LIST_X(elT, liT, decl) +#else // if defined( __VISUALC__ ) && __VISUALC__ < 1300 // == VC6 -#define WX_DECLARE_LIST_X(elT, liT, decl) \ - WX_DECLARE_LIST_XO(elT*, liT, decl) +#define WX_LIST_SORTFUNCTION( elT, f ) std::greater( f ) +#define WX_LIST_VC6_WORKAROUND(elT, liT, decl) \ + decl liT; \ + \ + /* Workaround for broken VC6 STL incorrectly requires a std::greater<> */ \ + /* to be passed into std::list::sort() */ \ + template <> \ + struct std::greater \ + { \ + private: \ + wxSortCompareFunction m_CompFunc; \ + public: \ + greater( wxSortCompareFunction compfunc = NULL ) \ + : m_CompFunc( compfunc ) {} \ + bool operator()(const elT X, const elT Y) const \ + { \ + return m_CompFunc ? \ + ( m_CompFunc( wxListCastElementToVoidPtr(X), \ + wxListCastElementToVoidPtr(Y) ) < 0 ) : \ + ( X > Y ); \ + } \ + }; + +// helper for std::greater above: +template +inline const void *wxListCastElementToVoidPtr(const T* ptr) { return ptr; } +inline const void *wxListCastElementToVoidPtr(const wxString& str) + { return (const char*)str; } + +#endif // VC6/!VC6 -#define WX_DECLARE_LIST_XO(elT, liT, decl) \ - decl liT : public std::list \ +/* + Note 1: the outer helper class _WX_LIST_HELPER_##liT below is a workaround + for mingw 3.2.3 compiler bug that prevents a static function of liT class + from being exported into dll. A minimal code snippet reproducing the bug: + + struct WXDLLIMPEXP_CORE Foo + { + static void Bar(); + struct SomeInnerClass + { + friend class Foo; // comment this out to make it link + }; + ~Foo() + { + Bar(); + } + }; + + The program does not link under mingw_gcc 3.2.3 producing undefined + reference to Foo::Bar() function + + + Note 2: the EmptyList is needed to allow having a NULL pointer-like + invalid iterator. We used to use just an uninitialized iterator object + instead but this fails with some debug/checked versions of STL, notably the + glibc version activated with _GLIBCXX_DEBUG, so we need to have a separate + invalid iterator. + */ + +// the real wxList-class declaration +#define WX_DECLARE_LIST_XO(elT, liT, decl) \ + decl _WX_LIST_HELPER_##liT \ { \ + typedef elT _WX_LIST_ITEM_TYPE_##liT; \ + typedef std::list BaseListType; \ public: \ - class dummy; \ + static BaseListType EmptyList; \ + static void DeleteFunction( _WX_LIST_ITEM_TYPE_##liT X ); \ + }; \ \ - struct compatibility_iterator \ + WX_LIST_VC6_WORKAROUND(elT, liT, decl) \ + class liT : public std::list \ + { \ + private: \ + typedef std::list BaseListType; \ + \ + bool m_destroy; \ + \ + public: \ + class compatibility_iterator \ { \ + private: \ + /* Workaround for broken VC6 nested class name resolution */ \ typedef std::list::iterator iterator; \ + friend class liT; \ + \ iterator m_iter; \ liT * m_list; \ + \ public: \ + compatibility_iterator() \ + : m_iter(_WX_LIST_HELPER_##liT::EmptyList.end()), m_list( NULL ) {} \ + compatibility_iterator( liT* li, iterator i ) \ + : m_iter( i ), m_list( li ) {} \ + compatibility_iterator( const liT* li, iterator i ) \ + : m_iter( i ), m_list( const_cast< liT* >( li ) ) {} \ + \ + compatibility_iterator* operator->() { return this; } \ + const compatibility_iterator* operator->() const { return this; } \ + \ + bool operator==(const compatibility_iterator& i) const \ + { \ + wxASSERT_MSG( m_list && i.m_list, \ + wxT("comparing invalid iterators is illegal") ); \ + return (m_list == i.m_list) && (m_iter == i.m_iter); \ + } \ + bool operator!=(const compatibility_iterator& i) const \ + { return !( operator==( i ) ); } \ operator bool() const \ - { return m_list && m_iter != m_list->end(); } \ + { return m_list ? m_iter != m_list->end() : false; } \ bool operator !() const \ - { return !m_list || m_iter == m_list->end(); } \ - compatibility_iterator( const liT* li, iterator it ) \ - : m_iter( it ), m_list( (liT*)li ) {} \ - compatibility_iterator( liT* li, iterator it ) \ - : m_iter( it ), m_list( li ) {} \ - compatibility_iterator() : m_list( NULL ) { } \ - dummy* operator->() { return (dummy*)this; } \ - const dummy* operator->() const { return (const dummy*)this; } \ - }; \ - typedef struct compatibility_iterator citer; \ + { return !( operator bool() ); } \ \ - class dummy \ - { \ - typedef std::list::iterator it; \ - typedef compatibility_iterator citer; \ - public: \ elT GetData() const \ + { return *m_iter; } \ + void SetData( elT e ) \ + { *m_iter = e; } \ + \ + compatibility_iterator GetNext() const \ { \ - citer* i = (citer*)this; \ - return *(i->m_iter); \ - } \ - citer GetNext() const \ - { \ - citer* i = (citer*)this; \ - it lit = i->m_iter; \ - return citer( i->m_list, ++lit ); \ + iterator i = m_iter; \ + return compatibility_iterator( m_list, ++i ); \ } \ - citer GetPrevious() const \ + compatibility_iterator GetPrevious() const \ { \ - citer* i = (citer*)this; \ - it lit = i->m_iter; \ - return citer( i->m_list, ++lit ); \ + if ( m_iter == m_list->begin() ) \ + return compatibility_iterator(); \ + \ + iterator i = m_iter; \ + return compatibility_iterator( m_list, --i ); \ } \ - void SetData( elT e ) \ + int IndexOf() const \ { \ - citer* i = (citer*)this; \ - *(i->m_iter) = e; \ + return *this ? std::distance( m_list->begin(), m_iter ) \ + : wxNOT_FOUND; \ } \ - private: \ - dummy(); \ }; \ - protected: \ - iterator find( elT e ) \ + public: \ + liT() : m_destroy( false ) {} \ + \ + compatibility_iterator Find( const elT e ) const \ { \ - iterator it, en; \ - for( it = begin(), en = end(); it != en; ++it ) \ - if( *it == e ) \ - return it; \ - return it; \ + liT* _this = const_cast< liT* >( this ); \ + return compatibility_iterator( _this, \ + std::find( _this->begin(), _this->end(), e ) ); \ } \ - public: \ - liT() {}; \ \ - citer Append( elT e ) { push_back( e ); return GetLast(); } \ - void Clear() { clear(); } \ - size_t GetCount() const { return size(); } \ - citer GetFirst() const { return citer( this, ((liT*)this)->begin() ); } \ - citer GetLast() const { return citer( this, --(((liT*)this)->end()) ); } \ - bool IsEmpty() const { return empty(); } \ - bool DeleteObject( elT e ) \ + bool IsEmpty() const \ + { return empty(); } \ + size_t GetCount() const \ + { return size(); } \ + int Number() const \ + { return static_cast< int >( GetCount() ); } \ + \ + compatibility_iterator Item( size_t idx ) const \ { \ - iterator it = find( e ); \ - if( it != end() ) \ + iterator i = const_cast< liT* >(this)->begin(); \ + std::advance( i, idx ); \ + return compatibility_iterator( this, i ); \ + } \ + elT operator[](size_t idx) const \ + { \ + return Item(idx).GetData(); \ + } \ + \ + compatibility_iterator GetFirst() const \ + { \ + return compatibility_iterator( this, \ + const_cast< liT* >(this)->begin() ); \ + } \ + compatibility_iterator GetLast() const \ + { \ + iterator i = const_cast< liT* >(this)->end(); \ + return compatibility_iterator( this, !empty() ? --i : i ); \ + } \ + bool Member( elT e ) const \ + { return Find( e ); } \ + compatibility_iterator Nth( int n ) const \ + { return Item( n ); } \ + int IndexOf( elT e ) const \ + { return Find( e ).IndexOf(); } \ + \ + compatibility_iterator Append( elT e ) \ + { \ + push_back( e ); \ + return GetLast(); \ + } \ + compatibility_iterator Insert( elT e ) \ + { \ + push_front( e ); \ + return compatibility_iterator( this, begin() ); \ + } \ + compatibility_iterator Insert(const compatibility_iterator & i, elT e)\ + { \ + return compatibility_iterator( this, insert( i.m_iter, e ) ); \ + } \ + compatibility_iterator Insert( size_t idx, elT e ) \ + { \ + return compatibility_iterator( this, \ + insert( Item( idx ).m_iter, e ) ); \ + } \ + \ + void DeleteContents( bool destroy ) \ + { m_destroy = destroy; } \ + bool GetDeleteContents() const \ + { return m_destroy; } \ + void Erase( const compatibility_iterator& i ) \ + { \ + if ( m_destroy ) \ + _WX_LIST_HELPER_##liT::DeleteFunction( i->GetData() ); \ + erase( i.m_iter ); \ + } \ + bool DeleteNode( const compatibility_iterator& i ) \ + { \ + if( i ) \ { \ - erase( it ); \ + Erase( i ); \ return true; \ } \ return false; \ } \ - void Erase( const compatibility_iterator& it ) \ - { \ - erase( it.m_iter ); \ - } \ - citer Find( elT e ) const { return citer( this, ((liT*)this)->find( e ) ); } \ - citer Member( elT e ) const { return Find( e ); } \ - citer Insert( elT e ) \ - { push_front( e ); return citer( this, begin() ); } \ - citer Insert( size_t idx, elT e ) \ - { return Insert( Item( idx ), e ); } \ - citer Insert( citer idx, elT e ) \ - { return citer( this, insert( idx.m_iter, e ) ); } \ - citer Item( size_t idx ) const \ + bool DeleteObject( elT e ) \ { \ - iterator it; \ - for( it = ((liT*)this)->begin(); idx; --idx ) \ - ++it; \ - return citer( this, it ); \ + return DeleteNode( Find( e ) ); \ } \ - int IndexOf( elT e ) const \ + void Clear() \ { \ - const_iterator it, en; \ - int idx; \ - for( idx = 0, it = begin(), en = end(); it != en; ++it, ++idx ) \ - if( *it == e ) \ - return idx; \ - return wxNOT_FOUND; \ + if ( m_destroy ) \ + std::for_each( begin(), end(), \ + _WX_LIST_HELPER_##liT::DeleteFunction ); \ + clear(); \ } \ + /* Workaround for broken VC6 std::list::sort() see above */ \ + void Sort( wxSortCompareFunction compfunc ) \ + { sort( WX_LIST_SORTFUNCTION( elT, compfunc ) ); } \ + ~liT() { Clear(); } \ + \ + /* It needs access to our EmptyList */ \ + friend class compatibility_iterator; \ } #define WX_DECLARE_LIST(elementtype, listname) \ - WX_DECLARE_LIST_X(elementtype, listname, class) + WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class) +#define WX_DECLARE_LIST_PTR(elementtype, listname) \ + WX_DECLARE_LIST(elementtype, listname) #define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \ - WX_DECLARE_LIST_X(elementtype, listname, class WXDLLEXPORT) + WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLIMPEXP_CORE) +#define WX_DECLARE_EXPORTED_LIST_PTR(elementtype, listname) \ + WX_DECLARE_EXPORTED_LIST(elementtype, listname) #define WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo) \ - WX_DECLARE_LIST_X(elementtype, listname, class usergoo) + WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class usergoo) +#define WX_DECLARE_USER_EXPORTED_LIST_PTR(elementtype, listname, usergoo) \ + WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo) // this macro must be inserted in your program after -// #include +// #include "wx/listimpl.cpp" #define WX_DEFINE_LIST(name) "don't forget to include listimpl.cpp!" #define WX_DEFINE_EXPORTED_LIST(name) WX_DEFINE_LIST(name) #define WX_DEFINE_USER_EXPORTED_LIST(name) WX_DEFINE_LIST(name) -#else // if !wxUSE_STL - -// due to circular header dependencies this function has to be declared here -// (normally it's found in utils.h which includes itself list.h...) -extern WXDLLEXPORT wxChar* copystring(const wxChar *s); +#else // if !wxUSE_STD_CONTAINERS -class WXDLLEXPORT wxObjectListNode; -typedef wxObjectListNode wxNode; // undef it to get rid of old, deprecated functions #define wxLIST_COMPATIBILITY @@ -244,7 +361,7 @@ typedef wxObjectListNode wxNode; union wxListKeyValue { long integer; - wxChar *string; + wxString *string; }; // a struct which may contain both types of keys @@ -261,15 +378,17 @@ public: { } wxListKey(long i) : m_keyType(wxKEY_INTEGER) { m_key.integer = i; } - wxListKey(const wxChar *s) : m_keyType(wxKEY_STRING) - { m_key.string = wxStrdup(s); } wxListKey(const wxString& s) : m_keyType(wxKEY_STRING) - { m_key.string = wxStrdup(s.c_str()); } + { m_key.string = new wxString(s); } + wxListKey(const char *s) : m_keyType(wxKEY_STRING) + { m_key.string = new wxString(s); } + wxListKey(const wchar_t *s) : m_keyType(wxKEY_STRING) + { m_key.string = new wxString(s); } // accessors wxKeyType GetKeyType() const { return m_keyType; } - const wxChar *GetString() const - { wxASSERT( m_keyType == wxKEY_STRING ); return m_key.string; } + const wxString GetString() const + { wxASSERT( m_keyType == wxKEY_STRING ); return *m_key.string; } long GetNumber() const { wxASSERT( m_keyType == wxKEY_INTEGER ); return m_key.integer; } @@ -282,7 +401,7 @@ public: ~wxListKey() { if ( m_keyType == wxKEY_STRING ) - free(m_key.string); + delete m_key.string; } private: @@ -294,29 +413,29 @@ private: // wxNodeBase class is a (base for) node in a double linked list // ----------------------------------------------------------------------------- -WXDLLIMPEXP_DATA_BASE(extern wxListKey) wxDefaultListKey; +extern WXDLLIMPEXP_DATA_BASE(wxListKey) wxDefaultListKey; -class WXDLLIMPEXP_BASE wxListBase; +class WXDLLIMPEXP_FWD_BASE wxListBase; class WXDLLIMPEXP_BASE wxNodeBase { friend class wxListBase; public: // ctor - wxNodeBase(wxListBase *list = (wxListBase *)NULL, - wxNodeBase *previous = (wxNodeBase *)NULL, - wxNodeBase *next = (wxNodeBase *)NULL, + wxNodeBase(wxListBase *list = NULL, + wxNodeBase *previous = NULL, + wxNodeBase *next = NULL, void *data = NULL, const wxListKey& key = wxDefaultListKey); virtual ~wxNodeBase(); // FIXME no check is done that the list is really keyed on strings - const wxChar *GetKeyString() const { return m_key.string; } + wxString GetKeyString() const { return *m_key.string; } long GetKeyInteger() const { return m_key.integer; } // Necessary for some existing code - void SetKeyString(wxChar* s) { m_key.string = s; } + void SetKeyString(const wxString& s) { m_key.string = new wxString(s); } void SetKeyInteger(long i) { m_key.integer = i; } #ifdef wxLIST_COMPATIBILITY @@ -340,7 +459,7 @@ protected: virtual void DeleteData() { } public: // for wxList::iterator - void** GetDataPtr() const { return &(((wxNodeBase*)this)->m_data); } + void** GetDataPtr() const { return &(const_cast(this)->m_data); } private: // optional key stuff wxListKeyValue m_key; @@ -351,22 +470,20 @@ private: wxListBase *m_list; // list we belong to - DECLARE_NO_COPY_CLASS(wxNodeBase) + wxDECLARE_NO_COPY_CLASS(wxNodeBase); }; // ----------------------------------------------------------------------------- // a double-linked list class // ----------------------------------------------------------------------------- -class wxList; +class WXDLLIMPEXP_FWD_BASE wxList; -class WXDLLIMPEXP_BASE wxListBase : public wxObject +class WXDLLIMPEXP_BASE wxListBase { -friend class WXDLLIMPEXP_BASE wxNodeBase; // should be able to call DetachNode() +friend class wxNodeBase; // should be able to call DetachNode() friend class wxHashTableBase; // should be able to call untyped Find() -private: - // common part of all ctors - void Init(wxKeyType keyType = wxKEY_NONE); // Must be declared before it's used (for VC++ 1.5) + public: // default ctor & dtor wxListBase(wxKeyType keyType = wxKEY_NONE) @@ -377,7 +494,7 @@ public: // count of items in the list size_t GetCount() const { return m_count; } - // return TRUE if this list is empty + // return true if this list is empty bool IsEmpty() const { return m_count == 0; } // operations @@ -421,10 +538,6 @@ protected: void *data, const wxListKey& key = wxDefaultListKey) = 0; -// Can't access these from derived classes otherwise (bug in Salford C++?) -#ifdef __SALFORDC__ -public: -#endif // ctors // from an array @@ -433,11 +546,8 @@ public: wxListBase(void *object, ... /* terminate with NULL */); protected: - // copy ctor and assignment operator - wxListBase(const wxListBase& list) : wxObject() - { Init(); DoCopy(list); } - wxListBase& operator=(const wxListBase& list) - { Clear(); DoCopy(list); return *this; } + void Assign(const wxListBase& list) + { Clear(); DoCopy(list); } // get list head/tail wxNodeBase *GetFirst() const { return m_nodeFirst; } @@ -451,7 +561,7 @@ protected: { wxNodeBase *node = Item(n); - return node ? node->GetData() : (wxNodeBase *)NULL; + return node ? node->GetData() : NULL; } // operations @@ -461,7 +571,8 @@ protected: // append to beginning of list wxNodeBase *Append(void *object); // insert a new item at the beginning of the list - wxNodeBase *Insert(void *object) { return Insert( (wxNodeBase*)NULL, object); } + wxNodeBase *Insert(void *object) + { return Insert(static_cast(NULL), object); } // insert a new item at the given position wxNodeBase *Insert(size_t pos, void *object) { return pos == GetCount() ? Append(object) @@ -471,20 +582,20 @@ protected: // keyed append wxNodeBase *Append(long key, void *object); - wxNodeBase *Append(const wxChar *key, void *object); + wxNodeBase *Append(const wxString& key, void *object); // removes node from the list but doesn't delete it (returns pointer // to the node or NULL if it wasn't found in the list) wxNodeBase *DetachNode(wxNodeBase *node); - // delete element from list, returns FALSE if node not found + // delete element from list, returns false if node not found bool DeleteNode(wxNodeBase *node); // finds object pointer and deletes node (and object if DeleteContents - // is on), returns FALSE if object not found + // is on), returns false if object not found bool DeleteObject(void *object); // search (all return NULL if item not found) // by data - wxNodeBase *Find(void *object) const; + wxNodeBase *Find(const void *object) const; // by key wxNodeBase *Find(const wxListKey& key) const; @@ -506,6 +617,10 @@ protected: void Reverse(); void DeleteNodes(wxNodeBase* first, wxNodeBase* last); private: + + // common part of all ctors + void Init(wxKeyType keyType = wxKEY_NONE); + // helpers // common part of copy ctor and assignment operator void DoCopy(const wxListBase& list); @@ -548,17 +663,23 @@ private: // particularly useful with, for example, "wxWindow *" list where the // wxWindowBase pointers are put into the list, but wxWindow pointers are // retrieved from it. +// +// 4. final hack is that WX_DECLARE_LIST_3 is defined in terms of +// WX_DECLARE_LIST_4 to allow defining classes without operator->() as +// it results in compiler warnings when this operator doesn't make sense +// (i.e. stored elements are not pointers) -#define WX_DECLARE_LIST_3(T, Tbase, name, nodetype, classexp) \ +// common part of WX_DECLARE_LIST_3 and WX_DECLARE_LIST_PTR_3 +#define WX_DECLARE_LIST_4(T, Tbase, name, nodetype, classexp, ptrop) \ typedef int (*wxSortFuncFor_##name)(const T **, const T **); \ \ classexp nodetype : public wxNodeBase \ { \ public: \ - nodetype(wxListBase *list = (wxListBase *)NULL, \ - nodetype *previous = (nodetype *)NULL, \ - nodetype *next = (nodetype *)NULL, \ - T *data = (T *)NULL, \ + nodetype(wxListBase *list = NULL, \ + nodetype *previous = NULL, \ + nodetype *next = NULL, \ + T *data = NULL, \ const wxListKey& key = wxDefaultListKey) \ : wxNodeBase(list, previous, next, data, key) { } \ \ @@ -572,22 +693,37 @@ private: void SetData(T *data) \ { wxNodeBase::SetData(data); } \ \ + protected: \ virtual void DeleteData(); \ + \ + DECLARE_NO_COPY_CLASS(nodetype) \ }; \ \ classexp name : public wxListBase \ { \ public: \ typedef nodetype Node; \ - typedef Node* compatibility_iterator; \ + classexp compatibility_iterator \ + { \ + public: \ + compatibility_iterator(Node *ptr = NULL) : m_ptr(ptr) { } \ + \ + Node *operator->() const { return m_ptr; } \ + operator Node *() const { return m_ptr; } \ + \ + private: \ + Node *m_ptr; \ + }; \ \ name(wxKeyType keyType = wxKEY_NONE) : wxListBase(keyType) \ { } \ + name(const name& list) : wxListBase(list.GetKeyType()) \ + { Assign(list); } \ name(size_t count, T *elements[]) \ : wxListBase(count, (void **)elements) { } \ \ name& operator=(const name& list) \ - { (void) wxListBase::operator=(list); return *this; } \ + { if (&list != this) Assign(list); return *this; } \ \ nodetype *GetFirst() const \ { return (nodetype *)wxListBase::GetFirst(); } \ @@ -600,13 +736,14 @@ private: T *operator[](size_t index) const \ { \ nodetype *node = Item(index); \ - return node ? (T*)(node->GetData()) : (T*)NULL; \ + return node ? (T*)(node->GetData()) : NULL; \ } \ \ nodetype *Append(Tbase *object) \ { return (nodetype *)wxListBase::Append(object); } \ nodetype *Insert(Tbase *object) \ - { return (nodetype *)Insert((nodetype*)NULL, object); } \ + { return (nodetype *)Insert(static_cast(NULL), \ + object); } \ nodetype *Insert(size_t pos, Tbase *object) \ { return (nodetype *)wxListBase::Insert(pos, object); } \ nodetype *Insert(nodetype *prev, Tbase *object) \ @@ -623,20 +760,25 @@ private: { return wxListBase::DeleteNode(node); } \ bool DeleteObject(Tbase *object) \ { return wxListBase::DeleteObject(object); } \ - void Erase(compatibility_iterator it) \ + void Erase(nodetype *it) \ { DeleteNode(it); } \ \ - nodetype *Find(Tbase *object) const \ + nodetype *Find(const Tbase *object) const \ { return (nodetype *)wxListBase::Find(object); } \ \ virtual nodetype *Find(const wxListKey& key) const \ { return (nodetype *)wxListBase::Find(key); } \ \ + bool Member(const Tbase *object) const \ + { return Find(object) != NULL; } \ + \ int IndexOf(Tbase *object) const \ { return wxListBase::IndexOf(object); } \ \ + void Sort(wxSortCompareFunction func) \ + { wxListBase::Sort(func); } \ void Sort(wxSortFuncFor_##name func) \ - { wxListBase::Sort((wxSortCompareFunction)func); } \ + { Sort((wxSortCompareFunction)func); } \ \ protected: \ virtual wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next, \ @@ -658,7 +800,7 @@ private: typedef base_value_type& base_reference; \ typedef const base_value_type& const_base_reference; \ \ - class iterator \ + classexp iterator \ { \ typedef name list; \ public: \ @@ -678,17 +820,26 @@ private: iterator() : m_node(NULL), m_init(NULL) { } \ reference_type operator*() const \ { return *(pointer_type)m_node->GetDataPtr(); } \ - pointer_type operator->() const \ - { return (pointer_type)m_node->GetDataPtr(); } \ - itor& operator++() { m_node = m_node->GetNext(); return *this; }\ - itor operator++(int) \ - { itor tmp = *this; m_node = m_node->GetNext(); return tmp; }\ + ptrop \ + itor& operator++() \ + { \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return *this; \ + } \ + const itor operator++(int) \ + { \ + itor tmp = *this; \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return tmp; \ + } \ itor& operator--() \ { \ m_node = m_node ? m_node->GetPrevious() : m_init; \ return *this; \ } \ - itor operator--(int) \ + const itor operator--(int) \ { \ itor tmp = *this; \ m_node = m_node ? m_node->GetPrevious() : m_init; \ @@ -699,7 +850,7 @@ private: bool operator==(const itor& it) const \ { return it.m_node == m_node; } \ }; \ - class const_iterator \ + classexp const_iterator \ { \ typedef name list; \ public: \ @@ -722,17 +873,26 @@ private: : m_node(it.m_node), m_init(it.m_init) { } \ reference_type operator*() const \ { return *(pointer_type)m_node->GetDataPtr(); } \ - pointer_type operator->() const \ - { return (pointer_type)m_node->GetDataPtr(); } \ - itor& operator++() { m_node = m_node->GetNext(); return *this; }\ - itor operator++(int) \ - { itor tmp = *this; m_node = m_node->GetNext(); return tmp; }\ + ptrop \ + itor& operator++() \ + { \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return *this; \ + } \ + const itor operator++(int) \ + { \ + itor tmp = *this; \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return tmp; \ + } \ itor& operator--() \ { \ m_node = m_node ? m_node->GetPrevious() : m_init; \ return *this; \ } \ - itor operator--(int) \ + const itor operator--(int) \ { \ itor tmp = *this; \ m_node = m_node ? m_node->GetPrevious() : m_init; \ @@ -743,7 +903,7 @@ private: bool operator==(const itor& it) const \ { return it.m_node == m_node; } \ }; \ - class reverse_iterator \ + classexp reverse_iterator \ { \ typedef name list; \ public: \ @@ -764,15 +924,14 @@ private: reverse_iterator() : m_node(NULL), m_init(NULL) { } \ reference_type operator*() const \ { return *(pointer_type)m_node->GetDataPtr(); } \ - pointer_type operator->() const \ - { return (pointer_type)m_node->GetDataPtr(); } \ + ptrop \ itor& operator++() \ { m_node = m_node->GetPrevious(); return *this; } \ - itor operator++(int) \ + const itor operator++(int) \ { itor tmp = *this; m_node = m_node->GetPrevious(); return tmp; }\ itor& operator--() \ { m_node = m_node ? m_node->GetNext() : m_init; return *this; } \ - itor operator--(int) \ + const itor operator--(int) \ { \ itor tmp = *this; \ m_node = m_node ? m_node->GetNext() : m_init; \ @@ -783,7 +942,7 @@ private: bool operator==(const itor& it) const \ { return it.m_node == m_node; } \ }; \ - class const_reverse_iterator \ + classexp const_reverse_iterator \ { \ typedef name list; \ public: \ @@ -806,15 +965,14 @@ private: : m_node(it.m_node), m_init(it.m_init) { } \ reference_type operator*() const \ { return *(pointer_type)m_node->GetDataPtr(); } \ - pointer_type operator->() const \ - { return (pointer_type)m_node->GetDataPtr(); } \ + ptrop \ itor& operator++() \ { m_node = m_node->GetPrevious(); return *this; } \ - itor operator++(int) \ + const itor operator++(int) \ { itor tmp = *this; m_node = m_node->GetPrevious(); return tmp; }\ itor& operator--() \ { m_node = m_node ? m_node->GetNext() : m_init; return *this;}\ - itor operator--(int) \ + const itor operator--(int) \ { \ itor tmp = *this; \ m_node = m_node ? m_node->GetNext() : m_init; \ @@ -828,7 +986,7 @@ private: \ wxEXPLICIT name(size_type n, const_reference v = value_type()) \ { assign(n, v); } \ - name(const_iterator first, const_iterator last) \ + name(const const_iterator& first, const const_iterator& last) \ { assign(first, last); } \ iterator begin() { return iterator(GetFirst(), GetLast()); } \ const_iterator begin() const \ @@ -844,25 +1002,25 @@ private: { return const_reverse_iterator(NULL, GetFirst()); } \ void resize(size_type n, value_type v = value_type()) \ { \ - if(n < size()) \ - for(; n < size(); pop_back()); \ - else if(n > size()) \ - for(; n > size(); push_back(v)); \ + while (n < size()) \ + pop_back(); \ + while (n > size()) \ + push_back(v); \ } \ size_type size() const { return GetCount(); } \ size_type max_size() const { return INT_MAX; } \ bool empty() const { return IsEmpty(); } \ reference front() { return *begin(); } \ const_reference front() const { return *begin(); } \ - reference back() { return *--end(); } \ - const_reference back() const { return *--end(); } \ + reference back() { iterator tmp = end(); return *--tmp; } \ + const_reference back() const { const_iterator tmp = end(); return *--tmp; }\ void push_front(const_reference v = value_type()) \ { Insert(GetFirst(), (const_base_reference)v); } \ void pop_front() { DeleteNode(GetFirst()); } \ void push_back(const_reference v = value_type()) \ { Append((const_base_reference)v); } \ void pop_back() { DeleteNode(GetLast()); } \ - void assign(const_iterator first, const_iterator last) \ + void assign(const_iterator first, const const_iterator& last) \ { \ clear(); \ for(; first != last; ++first) \ @@ -874,43 +1032,62 @@ private: for(size_type i = 0; i < n; ++i) \ Append((const_base_reference)v); \ } \ - iterator insert(iterator it, const_reference v = value_type()) \ + iterator insert(const iterator& it, const_reference v) \ { \ - Insert(it.m_node, (const_base_reference)v); \ - return iterator(it.m_node->GetPrevious(), GetLast()); \ + if ( it == end() ) \ + { \ + Append((const_base_reference)v); \ + /* \ + note that this is the new end(), the old one was \ + invalidated by the Append() call, and this is why we \ + can't use the same code as in the normal case below \ + */ \ + iterator itins(end()); \ + return --itins; \ + } \ + else \ + { \ + Insert(it.m_node, (const_base_reference)v); \ + iterator itins(it); \ + return --itins; \ + } \ } \ - void insert(iterator it, size_type n, const_reference v = value_type())\ + void insert(const iterator& it, size_type n, const_reference v) \ { \ for(size_type i = 0; i < n; ++i) \ - Insert(it.m_node, (const_base_reference)v); \ + insert(it, v); \ } \ - void insert(iterator it, const_iterator first, const_iterator last) \ + void insert(const iterator& it, \ + const_iterator first, const const_iterator& last) \ { \ for(; first != last; ++first) \ - Insert(it.m_node, (const_base_reference)*first); \ + insert(it, *first); \ } \ - iterator erase(iterator it) \ + iterator erase(const iterator& it) \ { \ iterator next = iterator(it.m_node->GetNext(), GetLast()); \ DeleteNode(it.m_node); return next; \ } \ - iterator erase(iterator first, iterator last) \ + iterator erase(const iterator& first, const iterator& last) \ { \ - iterator next = last; ++next; \ + iterator next = last; \ + if ( next != end() ) \ + ++next; \ DeleteNodes(first.m_node, last.m_node); \ return next; \ } \ void clear() { Clear(); } \ - void splice(iterator it, name& l, iterator first, iterator last) \ + void splice(const iterator& it, name& l, const iterator& first, const iterator& last)\ { insert(it, first, last); l.erase(first, last); } \ - void splice(iterator it, name& l) \ + void splice(const iterator& it, name& l) \ { splice(it, l, l.begin(), l.end() ); } \ - void splice(iterator it, name& l, iterator first) \ + void splice(const iterator& it, name& l, const iterator& first) \ { \ - iterator tmp = first; ++tmp; \ - if(it == first || it == tmp) return; \ - insert(it, *first); \ - l.erase(first); \ + if ( it != first ) \ + { \ + insert(it, *first); \ + l.erase(first); \ + } \ } \ void remove(const_reference v) \ { DeleteObject((const_base_reference)v); } \ @@ -926,80 +1103,139 @@ private: } */ \ } +#define WX_LIST_PTROP \ + pointer_type operator->() const \ + { return (pointer_type)m_node->GetDataPtr(); } +#define WX_LIST_PTROP_NONE + +#define WX_DECLARE_LIST_3(T, Tbase, name, nodetype, classexp) \ + WX_DECLARE_LIST_4(T, Tbase, name, nodetype, classexp, WX_LIST_PTROP_NONE) +#define WX_DECLARE_LIST_PTR_3(T, Tbase, name, nodetype, classexp) \ + WX_DECLARE_LIST_4(T, Tbase, name, nodetype, classexp, WX_LIST_PTROP) + #define WX_DECLARE_LIST_2(elementtype, listname, nodename, classexp) \ WX_DECLARE_LIST_3(elementtype, elementtype, listname, nodename, classexp) +#define WX_DECLARE_LIST_PTR_2(elementtype, listname, nodename, classexp) \ + WX_DECLARE_LIST_PTR_3(elementtype, elementtype, listname, nodename, classexp) #define WX_DECLARE_LIST(elementtype, listname) \ typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class) +#define WX_DECLARE_LIST_PTR(elementtype, listname) \ + typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ + WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class) + +#define WX_DECLARE_LIST_WITH_DECL(elementtype, listname, decl) \ + typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ + WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, decl) #define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \ + WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLIMPEXP_CORE) + +#define WX_DECLARE_EXPORTED_LIST_PTR(elementtype, listname) \ typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ - WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class WXDLLEXPORT) + WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class WXDLLIMPEXP_CORE) #define WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo) \ typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class usergoo) +#define WX_DECLARE_USER_EXPORTED_LIST_PTR(elementtype, listname, usergoo) \ + typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ + WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class usergoo) // this macro must be inserted in your program after -// #include +// #include "wx/listimpl.cpp" #define WX_DEFINE_LIST(name) "don't forget to include listimpl.cpp!" #define WX_DEFINE_EXPORTED_LIST(name) WX_DEFINE_LIST(name) #define WX_DEFINE_USER_EXPORTED_LIST(name) WX_DEFINE_LIST(name) -#endif // !wxUSE_STL +#endif // !wxUSE_STD_CONTAINERS -// ============================================================================= +// ============================================================================ // now we can define classes 100% compatible with the old ones -// ============================================================================= +// ============================================================================ // ---------------------------------------------------------------------------- // commonly used list classes // ---------------------------------------------------------------------------- -#ifdef wxLIST_COMPATIBILITY +#if defined(wxLIST_COMPATIBILITY) + +// inline compatibility functions + +#if !wxUSE_STD_CONTAINERS + +// ---------------------------------------------------------------------------- +// wxNodeBase deprecated methods +// ---------------------------------------------------------------------------- + +inline wxNode *wxNodeBase::Next() const { return (wxNode *)GetNext(); } +inline wxNode *wxNodeBase::Previous() const { return (wxNode *)GetPrevious(); } +inline wxObject *wxNodeBase::Data() const { return (wxObject *)GetData(); } + +// ---------------------------------------------------------------------------- +// wxListBase deprecated methods +// ---------------------------------------------------------------------------- + +inline int wxListBase::Number() const { return (int)GetCount(); } +inline wxNode *wxListBase::First() const { return (wxNode *)GetFirst(); } +inline wxNode *wxListBase::Last() const { return (wxNode *)GetLast(); } +inline wxNode *wxListBase::Nth(size_t n) const { return (wxNode *)Item(n); } +inline wxListBase::operator wxList&() const { return *(wxList*)this; } + +#endif // define this to make a lot of noise about use of the old wxList classes. //#define wxWARN_COMPAT_LIST_USE -// ----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxList compatibility class: in fact, it's a list of wxObjects -// ----------------------------------------------------------------------------- -WX_DECLARE_LIST_2(wxObject, wxObjectList, wxObjectListNode, class WXDLLIMPEXP_BASE); +// ---------------------------------------------------------------------------- + +WX_DECLARE_LIST_2(wxObject, wxObjectList, wxObjectListNode, + class WXDLLIMPEXP_BASE); class WXDLLIMPEXP_BASE wxList : public wxObjectList { public: -#if defined(wxWARN_COMPAT_LIST_USE) && !wxUSE_STL - wxDEPRECATED( wxList(int key_type = wxKEY_NONE) ); -#elif !wxUSE_STL +#if defined(wxWARN_COMPAT_LIST_USE) && !wxUSE_STD_CONTAINERS + wxList() { } + wxDEPRECATED( wxList(int key_type) ); +#elif !wxUSE_STD_CONTAINERS wxList(int key_type = wxKEY_NONE); #endif // this destructor is required for Darwin ~wxList() { } -#if !wxUSE_STL +#if !wxUSE_STD_CONTAINERS wxList& operator=(const wxList& list) - { (void) wxListBase::operator=(list); return *this; } + { if (&list != this) Assign(list); return *this; } // compatibility methods void Sort(wxSortCompareFunction compfunc) { wxListBase::Sort(compfunc); } -#endif +#endif // !wxUSE_STD_CONTAINERS -#if wxUSE_STL -#else - wxNode *Member(wxObject *object) const { return (wxNode *)Find(object); } -#endif +#ifndef __VISUALC6__ + template + wxVector AsVector() const + { + wxVector vector(size()); + size_t i = 0; + + for ( const_iterator it = begin(); it != end(); ++it ) + { + vector[i++] = static_cast(*it); + } + + return vector; + } +#endif // !__VISUALC6__ -private: -#if !wxUSE_STL - DECLARE_DYNAMIC_CLASS(wxList) -#endif }; -#if !wxUSE_STL +#if !wxUSE_STD_CONTAINERS // ----------------------------------------------------------------------------- // wxStringList class for compatibility with the old code @@ -1012,29 +1248,36 @@ public: // ctors and such // default #ifdef wxWARN_COMPAT_LIST_USE - wxDEPRECATED( wxStringList() ); - wxDEPRECATED( wxStringList(const wxChar *first ...) ); + wxStringList(); + wxDEPRECATED( wxStringList(const wxChar *first ...) ); // FIXME-UTF8 #else wxStringList(); - wxStringList(const wxChar *first ...); + wxStringList(const wxChar *first ...); // FIXME-UTF8 #endif // copying the string list: the strings are copied, too (extremely // inefficient!) - wxStringList(const wxStringList& other) : wxStringListBase() { DeleteContents(TRUE); DoCopy(other); } + wxStringList(const wxStringList& other) : wxStringListBase() { DeleteContents(true); DoCopy(other); } wxStringList& operator=(const wxStringList& other) - { Clear(); DoCopy(other); return *this; } + { + if (&other != this) + { + Clear(); + DoCopy(other); + } + return *this; + } // operations // makes a copy of the string wxNode *Add(const wxChar *s); - + // Append to beginning of list wxNode *Prepend(const wxChar *s); bool Delete(const wxChar *s); - wxChar **ListToArray(bool new_copies = FALSE) const; + wxChar **ListToArray(bool new_copies = false) const; bool Member(const wxChar *s) const; // alphabetic sort @@ -1042,20 +1285,32 @@ public: private: void DoCopy(const wxStringList&); // common part of copy ctor and operator= - - DECLARE_DYNAMIC_CLASS(wxStringList) }; -#else // if wxUSE_STL +#else // if wxUSE_STD_CONTAINERS -WX_DECLARE_LIST_XO(wxString, wxStringListBase, class WXDLLEXPORT); +WX_DECLARE_LIST_XO(wxString, wxStringListBase, class WXDLLIMPEXP_BASE); -class WXDLLEXPORT wxStringList : public wxStringListBase +class WXDLLIMPEXP_BASE wxStringList : public wxStringListBase { public: + compatibility_iterator Append(wxChar* s) + { wxString tmp = s; delete[] s; return wxStringListBase::Append(tmp); } + compatibility_iterator Insert(wxChar* s) + { wxString tmp = s; delete[] s; return wxStringListBase::Insert(tmp); } + compatibility_iterator Insert(size_t pos, wxChar* s) + { + wxString tmp = s; + delete[] s; + return wxStringListBase::Insert(pos, tmp); + } + compatibility_iterator Add(const wxChar* s) + { push_back(s); return GetLast(); } + compatibility_iterator Prepend(const wxChar* s) + { push_front(s); return GetFirst(); } }; -#endif // wxUSE_STL +#endif // wxUSE_STD_CONTAINERS #endif // wxLIST_COMPATIBILITY @@ -1073,5 +1328,15 @@ public: (list).clear(); \ } -#endif - // _WX_LISTH__ +// append all element of one list to another one +#define WX_APPEND_LIST(list, other) \ + { \ + wxList::compatibility_iterator node = other->GetFirst(); \ + while ( node ) \ + { \ + (list)->push_back(node->GetData()); \ + node = node->GetNext(); \ + } \ + } + +#endif // _WX_LISTH__