X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5751dd32c77946719c80a7e9e1a882a92f3eed51..73302af6dddd667af4ebec69c800bc9de106f28e:/include/wx/list.h diff --git a/include/wx/list.h b/include/wx/list.h index c17823a71b..02805b9d03 100644 --- a/include/wx/list.h +++ b/include/wx/list.h @@ -40,6 +40,8 @@ #if wxUSE_STL #include "wx/beforestd.h" + #include + #include #include #include "wx/afterstd.h" #endif @@ -96,122 +98,204 @@ enum wxKeyType #define WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) \ WX_DECLARE_LIST_XO(elT*, liT, decl) -#define WX_DECLARE_LIST_XO(elT, liT, decl) \ +#if !defined( __VISUALC__ ) + +template +class WXDLLIMPEXP_BASE 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_LIST_SORTFUNCTION( elT, f ) wxList_SortFunction(f) +#define VC6_WORKAROUND(elT, liT, decl) + +#else // if defined( __VISUALC__ ) + +#define WX_LIST_SORTFUNCTION( elT, f ) std::greater( f ) +#define 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( X, Y ) < 0 ) : \ + ( X > Y ); \ + } \ + }; + +#endif // defined( __VISUALC__ ) + +#define WX_DECLARE_LIST_XO(elT, liT, decl) \ + VC6_WORKAROUND(elT, liT, decl) \ decl liT : public std::list \ { \ + private: \ + bool m_destroy; \ + private: \ + typedef elT _WX_LIST_ITEM_TYPE_##liT; \ + static void DeleteFunction( const _WX_LIST_ITEM_TYPE_##liT X ); \ public: \ - class dummy; \ - \ - struct compatibility_iterator \ + class compatibility_iterator \ { \ - typedef std::list::iterator iterator; \ + private: \ + /* Workaround for broken VC6 nested class name resolution */ \ + typedef std::list::iterator iterator; \ + friend class liT; \ + private: \ iterator m_iter; \ liT * m_list; \ public: \ + compatibility_iterator() \ + : m_iter(), 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 \ + { 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; } \ - bool operator==(const compatibility_iterator& it) \ - { return m_list == it.m_list && m_iter == it.m_iter; } \ - bool operator!=(const compatibility_iterator& it) \ - { return m_list != it.m_list || m_iter != it.m_iter; } \ - }; \ - 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 ); \ + 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 m_list ? \ + m_iter != m_list->end() ? \ + std::distance( m_list->begin(), m_iter ) : \ + wxNOT_FOUND : \ + 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 i = const_cast< liT* >(this)->begin(); \ + std::advance( i, idx ); \ + return compatibility_iterator( this, i ); \ + } \ + 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 ); \ + } \ + compatibility_iterator 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( compatibility_iterator & i, elT e ) \ + { \ + return compatibility_iterator( this, insert( i.m_iter, e ) ); \ + } \ + compatibility_iterator Insert( size_t idx, elT e ) \ { \ - iterator it = find( e ); \ - if( it != end() ) \ + 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 ) \ + 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 ) \ + bool DeleteObject( elT e ) \ { \ - erase( it.m_iter ); \ + return DeleteNode( Find( e ) ); \ } \ - 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 \ + void Clear() \ { \ - iterator it; \ - for( it = ((liT*)this)->begin(); idx; --idx ) \ - ++it; \ - return citer( this, it ); \ - } \ - int IndexOf( elT e ) const \ - { \ - 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(), DeleteFunction ); \ + clear(); \ } \ + /* Workaround for broken VC6 std::list::sort() see above */ \ + void Sort( wxSortCompareFunction compfunc ) \ + { sort( WX_LIST_SORTFUNCTION( elT, compfunc ) ); } \ + ~liT() { Clear(); } \ } #define WX_DECLARE_LIST(elementtype, listname) \ @@ -240,10 +324,11 @@ enum wxKeyType // due to circular header dependencies this function has to be declared here // (normally it's found in utils.h which includes itself list.h...) +#if WXWIN_COMPATIBILITY_2_4 extern WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s); +#endif class WXDLLEXPORT wxObjectListNode; -typedef wxObjectListNode wxNode; // undef it to get rid of old, deprecated functions #define wxLIST_COMPATIBILITY @@ -305,7 +390,7 @@ 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; @@ -369,7 +454,7 @@ private: // a double-linked list class // ----------------------------------------------------------------------------- -class wxList; +class WXDLLIMPEXP_BASE wxList; class WXDLLIMPEXP_BASE wxListBase : public wxObject { @@ -388,7 +473,7 @@ 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 @@ -444,11 +529,8 @@ 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; } @@ -487,15 +569,15 @@ protected: // 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; @@ -589,6 +671,7 @@ private: void SetData(T *data) \ { wxNodeBase::SetData(data); } \ \ + protected: \ virtual void DeleteData(); \ \ DECLARE_NO_COPY_CLASS(nodetype) \ @@ -602,11 +685,13 @@ private: \ 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; } \ + { Assign(list); return *this; } \ \ nodetype *GetFirst() const \ { return (nodetype *)wxListBase::GetFirst(); } \ @@ -645,7 +730,7 @@ private: void Erase(compatibility_iterator 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 \ @@ -654,8 +739,10 @@ private: 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, \ @@ -699,14 +786,14 @@ private: { return *(pointer_type)m_node->GetDataPtr(); } \ ptrop \ itor& operator++() { m_node = m_node->GetNext(); return *this; }\ - itor operator++(int) \ + const itor operator++(int) \ { itor tmp = *this; 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; \ @@ -742,14 +829,14 @@ private: { return *(pointer_type)m_node->GetDataPtr(); } \ ptrop \ itor& operator++() { m_node = m_node->GetNext(); return *this; }\ - itor operator++(int) \ + const itor operator++(int) \ { itor tmp = *this; 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; \ @@ -784,11 +871,11 @@ private: 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; \ @@ -825,11 +912,11 @@ private: 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; \ @@ -843,7 +930,7 @@ 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 \ @@ -862,22 +949,22 @@ private: while (n < size()) \ pop_back(); \ while (n > size()) \ - push_back(); \ + 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) \ @@ -889,38 +976,38 @@ 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 = value_type())\ { \ Insert(it.m_node, (const_base_reference)v); \ return iterator(it.m_node->GetPrevious(), GetLast()); \ } \ - void insert(iterator it, size_type n, const_reference v = value_type())\ + void insert(const iterator& it, size_type n, const_reference v = value_type())\ { \ for(size_type i = 0; i < n; ++i) \ Insert(it.m_node, (const_base_reference)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); \ } \ - 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; \ 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; \ @@ -966,7 +1053,7 @@ private: #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 WXDLLEXPORT) @@ -1088,20 +1175,20 @@ public: // 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; } // 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 @@ -1115,9 +1202,9 @@ private: #else // if wxUSE_STL -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)