add support for wxStrnlen for those platforms where it's available

[wxWidgets.git] / include / wx / list.h

diff --git a/include/wx/list.h b/include/wx/list.h
index df7eed1cb76cd9babecde1f2334fa0627d4ee230..7bfeb79f63bd312f13dabf76f08ec50560beecd6 100644 (file)
--- a/include/wx/list.h
+++ b/include/wx/list.h
@@ -22,8 +22,8 @@
   like the old class.
 */
 
-#ifndef _WX_LISTH__
-#define _WX_LISTH__
+#ifndef _WX_LIST_H_
+#define _WX_LIST_H_
 
 // -----------------------------------------------------------------------------
 // headers
@@ -45,21 +45,9 @@
 // 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_FWD_BASE wxObjectListNode;
 typedef wxObjectListNode wxNode;
 
-//
-typedef int (* LINKAGEMODE wxListIterateFunction)(void *current);
-
 #if wxUSE_STL
 
 #define wxLIST_COMPATIBILITY
@@ -80,7 +68,7 @@ typedef int (* LINKAGEMODE wxListIterateFunction)(void *current);
 #if !defined(__VISUALC__) || __VISUALC__ >= 1300 // == !VC6
 
 template<class T>
-class WXDLLIMPEXP_BASE wxList_SortFunction
+class wxList_SortFunction
 {
 public:
     wxList_SortFunction(wxSortCompareFunction f) : m_f(f) { }
@@ -131,7 +119,7 @@ inline const void *wxListCastElementToVoidPtr(const wxString& str)
     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 WXDLLEXPORT Foo
+         struct WXDLLIMPEXP_CORE Foo
          {
             static void Bar();
             struct SomeInnerClass
@@ -287,7 +275,7 @@ inline const void *wxListCastElementToVoidPtr(const wxString& str)
             push_front( e );                                                  \
             return compatibility_iterator( this, begin() );                   \
         }                                                                     \
-        compatibility_iterator Insert( compatibility_iterator & i, elT e )    \
+        compatibility_iterator Insert(const compatibility_iterator & i, elT e)\
         {                                                                     \
             return compatibility_iterator( this, insert( i.m_iter, e ) );     \
         }                                                                     \
@@ -342,7 +330,7 @@ inline const void *wxListCastElementToVoidPtr(const wxString& str)
     WX_DECLARE_LIST(elementtype, listname)
 
 #define WX_DECLARE_EXPORTED_LIST(elementtype, listname)                     \
-    WX_DECLARE_LIST_WITH_DECL(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)
 
@@ -469,7 +457,7 @@ protected:
     virtual void DeleteData() { }
 public:
     // for wxList::iterator
-    void** GetDataPtr() const { return &(((wxNodeBase*)this)->m_data); }
+    void** GetDataPtr() const { return &(const_cast<wxNodeBase*>(this)->m_data); }
 private:
     // optional key stuff
     wxListKeyValue m_key;
@@ -732,7 +720,7 @@ private:
             : wxListBase(count, (void **)elements) { }                      \
                                                                             \
         name& operator=(const name& list)                                   \
-            { Assign(list); return *this; }                                 \
+            { if (&list != this) Assign(list); return *this; }              \
                                                                             \
         nodetype *GetFirst() const                                          \
             { return (nodetype *)wxListBase::GetFirst(); }                  \
@@ -1017,18 +1005,22 @@ private:
             for(size_type i = 0; i < n; ++i)                                \
                 Append((const_base_reference)v);                            \
         }                                                                   \
-        iterator insert(const iterator& it, const_reference v = value_type())\
+        iterator insert(const iterator& it, const_reference v)              \
         {                                                                   \
-            Insert(it.m_node, (const_base_reference)v);                     \
+            if ( it == end() )                                              \
+                Append((const_base_reference)v);                            \
+            else                                                            \
+                Insert(it.m_node, (const_base_reference)v);                 \
             iterator itprev(it);                                            \
             return itprev--;                                                \
         }                                                                   \
-        void insert(const 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);                 \
         }                                                                   \
-        void insert(const iterator& it, const_iterator first, const 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);            \
@@ -1097,11 +1089,11 @@ private:
     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)
+    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_PTR_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;                      \
@@ -1178,7 +1170,7 @@ public:
 
 #if !wxUSE_STL
     wxList& operator=(const wxList& list)
-        { Assign(list); return *this; }
+        { if (&list != this) Assign(list); return *this; }
 
     // compatibility methods
     void Sort(wxSortCompareFunction compfunc) { wxListBase::Sort(compfunc); }
@@ -1214,7 +1206,14 @@ public:
         // inefficient!)
     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