]> git.saurik.com Git - wxWidgets.git/blobdiff - include/wx/dynarray.h
nicer version compilation fix for wxUSE_WCHAR_T=0 (why should we duplicate definition...
[wxWidgets.git] / include / wx / dynarray.h
index d1a4f020a6f642831c69d027a9ac6911ea61d705..7e064dfc0b725b47a427797ef6b47f3c8df9ec5f 100644 (file)
@@ -17,7 +17,6 @@
 #endif
 
 #include "wx/defs.h"
-#include "wx/debug.h"
 
 /** @name Dynamic arrays and object arrays (array which own their elements)
     @memo Arrays which grow on demand and do range checking (only in debug)
  callback compare function for quick sort
  must return negative value, 0 or positive value if pItem1 <, = or > pItem2
  */
-
-#ifdef  __VISUALC__
-  #define   CMPFUNC_CONV    _cdecl
-#else   // !Visual C++
-  #define   CMPFUNC_CONV
-#endif  // compiler
-typedef int (CMPFUNC_CONV *CMPFUNC)(const void* pItem1, const void* pItem2);
+typedef int (wxCMPFUNC_CONV *CMPFUNC)(const void* pItem1, const void* pItem2);
 
 // ----------------------------------------------------------------------------
 /**
@@ -123,12 +116,14 @@ protected:
     /**
       Search the element in the array, starting from the either side
       @param bFromEnd if TRUE, start from the end
-      @return index of the first item matched or NOT_FOUND
-      @see NOT_FOUND
+      @return index of the first item matched or wxNOT_FOUND
+      @see wxNOT_FOUND
      */
   int Index(long lItem, bool bFromEnd = FALSE) const;
     /// search for an item using binary search in a sorted array
   int Index(long lItem, CMPFUNC fnCompare) const;
+    /// search for a place to insert the element into a sorted array
+  size_t IndexForInsert(long lItem, CMPFUNC fnCompare) const;
     /// add new element at the end
   void Add(long lItem);
     /// add item assuming the array is sorted with fnCompare function
@@ -138,7 +133,7 @@ protected:
     /// remove first item matching this value
   void Remove(long lItem);
     /// remove item by index
-  void Remove(size_t uiIndex);
+  void RemoveAt(size_t uiIndex);
   //@}
 
   /// sort array elements using given compare function
@@ -157,22 +152,38 @@ private:
 // template classes
 // ============================================================================
 
+// resolves the name conflict between the wxT() macor and T typedef: we can't
+// use wxT() inside WX_DEFINE_ARRAY!
+#define _WX_ERROR_SIZEOF   wxT("illegal use of DEFINE_ARRAY")
+#define _WX_ERROR_REMOVE   wxT("removing inexisting element in wxArray::Remove")
+
 // ----------------------------------------------------------------------------
 // This macro generates a new array class. It is intended for storage of simple
 // types of sizeof()<=sizeof(long) or pointers if sizeof(pointer)<=sizeof(long)
 //
 // NB: it has only inline functions => takes no space at all
+// Mod by JACS: Salford C++ doesn't like 'var->operator=' syntax, as in:
+//    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);
+// so using a temporary variable instead.
 // ----------------------------------------------------------------------------
-#define  _WX_DEFINE_ARRAY(T, name)                                  \
+// __MAC_X__ added min ~name() below for compiling Mac X
+#define  _WX_DEFINE_ARRAY(T, name, classexp)                        \
 typedef int (CMPFUNC_CONV *CMPFUNC##T)(T *pItem1, T *pItem2);       \
-class WXDLLEXPORTLOCAL name : public wxBaseArray                                     \
+classexp name : public wxBaseArray                                  \
 {                                                                   \
 public:                                                             \
   name()                                                            \
-    { wxASSERT( sizeof(T) <= sizeof(long) ); }                      \
+  {                                                                 \
+    size_t type = sizeof(T);                                        \
+    size_t sizelong = sizeof(long);                                 \
+    if ( type > sizelong )                                          \
+      { wxFAIL_MSG( _WX_ERROR_SIZEOF ); }                           \
+  }                                                                 \
+  ~name() {}                                                        \
                                                                     \
   name& operator=(const name& src)                                  \
-    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);    \
+    { wxBaseArray* temp = (wxBaseArray*) this;                      \
+      (*temp) = ((const wxBaseArray&)src);                          \
       return *this; }                                               \
                                                                     \
   T& operator[](size_t uiIndex) const                               \
@@ -190,12 +201,12 @@ public:                                                             \
   void Insert(T Item, size_t uiIndex)                               \
     { wxBaseArray::Insert((long)Item, uiIndex) ; }                  \
                                                                     \
-  void Remove(size_t uiIndex) { wxBaseArray::Remove(uiIndex); }     \
+  void RemoveAt(size_t uiIndex) { wxBaseArray::RemoveAt(uiIndex); } \
   void Remove(T Item)                                               \
     { int iIndex = Index(Item);                                     \
-      wxCHECK2_MSG( iIndex != NOT_FOUND, return,                    \
-        "removing inexisting element in wxArray::Remove" );         \
-      wxBaseArray::Remove((size_t)iIndex); }                          \
+      wxCHECK2_MSG( iIndex != wxNOT_FOUND, return,                  \
+         _WX_ERROR_REMOVE);                                         \
+      wxBaseArray::RemoveAt((size_t)iIndex); }                      \
                                                                     \
   void Sort(CMPFUNC##T fCmp) { wxBaseArray::Sort((CMPFUNC)fCmp); }  \
 }
@@ -211,22 +222,35 @@ public:                                                             \
 //  3) it has no Sort() method because it's always sorted
 //  4) Index() method is much faster (the sorted arrays use binary search
 //     instead of linear one), but Add() is slower.
+//  5) there is no Insert() method because you can't insert an item into the
+//     given position in a sorted array but there is IndexForInsert()/AddAt()
+//     pair which may be used to optimize a common operation of "insert only if
+//     not found"
 //
 // Summary: use this class when the speed of Index() function is important, use
 // the normal arrays otherwise.
 //
 // NB: it has only inline functions => takes no space at all
+// Mod by JACS: Salford C++ doesn't like 'var->operator=' syntax, as in:
+//    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);
+// so using a temporary variable instead.
 // ----------------------------------------------------------------------------
-#define  _WX_DEFINE_SORTED_ARRAY(T, name)                           \
+#define  _WX_DEFINE_SORTED_ARRAY(T, name, classexp)                 \
 typedef int (CMPFUNC_CONV *SCMPFUNC##T)(T pItem1, T pItem2);        \
-class WXDLLEXPORTLOCAL  name : public wxBaseArray                                     \
+classexp name : public wxBaseArray                                  \
 {                                                                   \
 public:                                                             \
   name(SCMPFUNC##T fn)                                              \
-    { wxASSERT( sizeof(T) <= sizeof(long) ); m_fnCompare = fn; }    \
+  { size_t type = sizeof(T);                                        \
+    size_t sizelong = sizeof(long);                                 \
+    if ( type > sizelong )                                          \
+      { wxFAIL_MSG( _WX_ERROR_SIZEOF ); }                           \
+    m_fnCompare = fn;                                               \
+  }                                                                 \
                                                                     \
   name& operator=(const name& src)                                  \
-    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);    \
+    { wxBaseArray* temp = (wxBaseArray*) this;                      \
+      (*temp) = ((const wxBaseArray&)src);                          \
       m_fnCompare = src.m_fnCompare;                                \
       return *this; }                                               \
                                                                     \
@@ -240,15 +264,22 @@ public:                                                             \
   int Index(T Item) const                                           \
     { return wxBaseArray::Index((long)Item, (CMPFUNC)m_fnCompare); }\
                                                                     \
+  size_t IndexForInsert(T Item) const                               \
+    { return wxBaseArray::IndexForInsert((long)Item,                \
+                                         (CMPFUNC)m_fnCompare); }   \
+                                                                    \
+  void AddAt(T item, size_t index)                                  \
+    { wxBaseArray::Insert((long)item, index); }                     \
+                                                                    \
   void Add(T Item)                                                  \
     { wxBaseArray::Add((long)Item, (CMPFUNC)m_fnCompare); }         \
                                                                     \
-  void Remove(size_t uiIndex) { wxBaseArray::Remove(uiIndex); }     \
+  void RemoveAt(size_t uiIndex) { wxBaseArray::RemoveAt(uiIndex); } \
   void Remove(T Item)                                               \
     { int iIndex = Index(Item);                                     \
-      wxCHECK2_MSG( iIndex != NOT_FOUND, return,                    \
-        "removing inexisting element in wxArray::Remove" );         \
-      wxBaseArray::Remove((size_t)iIndex); }                        \
+      wxCHECK2_MSG( iIndex != wxNOT_FOUND, return,                  \
+        _WX_ERROR_REMOVE );                                         \
+      wxBaseArray::RemoveAt((size_t)iIndex); }                      \
                                                                     \
 private:                                                            \
   SCMPFUNC##T m_fnCompare;                                          \
@@ -257,9 +288,9 @@ private:                                                            \
 // ----------------------------------------------------------------------------
 // see WX_DECLARE_OBJARRAY and WX_DEFINE_OBJARRAY
 // ----------------------------------------------------------------------------
-#define _WX_DECLARE_OBJARRAY(T, name)                               \
+#define _WX_DECLARE_OBJARRAY(T, name, classexp)                     \
 typedef int (CMPFUNC_CONV *CMPFUNC##T)(T** pItem1, T** pItem2);     \
-class WXDLLEXPORTLOCAL name : public wxBaseArray                    \
+classexp name : public wxBaseArray                                  \
 {                                                                   \
 public:                                                             \
   name() { }                                                        \
@@ -285,16 +316,18 @@ public:                                                             \
   void Insert(const T* pItem, size_t uiIndex)                       \
     { wxBaseArray::Insert((long)pItem, uiIndex); }                  \
                                                                     \
-  void Empty();                                                     \
+  void Empty() { DoEmpty(); wxBaseArray::Empty(); }                 \
+  void Clear() { DoEmpty(); wxBaseArray::Clear(); }                 \
                                                                     \
   T*   Detach(size_t uiIndex)                                       \
     { T* p = (T*)wxBaseArray::Item(uiIndex);                        \
-      wxBaseArray::Remove(uiIndex); return p; }                     \
-  void Remove(size_t uiIndex);                                      \
+      wxBaseArray::RemoveAt(uiIndex); return p; }                   \
+  void RemoveAt(size_t uiIndex);                                    \
                                                                     \
   void Sort(CMPFUNC##T fCmp) { wxBaseArray::Sort((CMPFUNC)fCmp); }  \
                                                                     \
 private:                                                            \
+  void DoEmpty();                                                   \
   void DoCopy(const name& src);                                     \
 }
 
@@ -323,15 +356,17 @@ private:                                                            \
 
    @memo declare and define array class 'name' containing elements of type 'T'
   */
-#define WX_DEFINE_ARRAY(T, name)  typedef T _A##name;                        \
-                                  _WX_DEFINE_ARRAY(_A##name, name)
+#define WX_DEFINE_ARRAY(T, name)                \
+    typedef T _A##name;                         \
+    _WX_DEFINE_ARRAY(_A##name, name, class)
 
   /**
    This macro does the same as WX_DEFINE_ARRAY except that the array will be
    sorted with the specified compare function.
    */
-#define WX_DEFINE_SORTED_ARRAY(T, name)  typedef T _A##name;                 \
-                                  _WX_DEFINE_SORTED_ARRAY(_A##name, name)
+#define WX_DEFINE_SORTED_ARRAY(T, name)             \
+    typedef T _A##name;                             \
+    _WX_DEFINE_SORTED_ARRAY(_A##name, name, class)
 
   /**
    This macro generates a new objarrays class which owns the objects it
@@ -368,8 +403,10 @@ private:                                                            \
 
    @memo declare objarray class 'name' containing elements of type 'T'
   */
-#define WX_DECLARE_OBJARRAY(T, name)  typedef T _L##name;                 \
-                                      _WX_DECLARE_OBJARRAY(_L##name, name)
+#define WX_DECLARE_OBJARRAY(T, name)            \
+    typedef T _L##name;                         \
+    _WX_DECLARE_OBJARRAY(_L##name, name, class)
+
   /**
     To use an objarray class you must
     <ll>
@@ -390,31 +427,50 @@ private:                                                            \
 #define WX_DEFINE_OBJARRAY(name)       "don't forget to include arrimpl.cpp!"
 //@}
 
+// these macros do the same thing as the WX_XXX ones above, but should be used
+// inside the library for user visible classes because otherwise they wouldn't
+// be visible from outside (when using wxWindows as DLL under Windows)
+#define WX_DEFINE_EXPORTED_ARRAY(T, name)               \
+    typedef T _A##name;                                 \
+    _WX_DEFINE_ARRAY(_A##name, name, class WXDLLEXPORT)
+
+#define WX_DEFINE_SORTED_EXPORTED_ARRAY(T, name)        \
+    typedef T _A##name;                                 \
+    _WX_DEFINE_SORTED_ARRAY(_A##name, name, class WXDLLEXPORT)
+
+#define WX_DECLARE_EXPORTED_OBJARRAY(T, name)           \
+    typedef T _L##name;                                 \
+    _WX_DECLARE_OBJARRAY(_L##name, name, class WXDLLEXPORT)
+
 // ----------------------------------------------------------------------------
 /** @name Some commonly used predefined arrays */
-// # overhead if not used?
 // ----------------------------------------------------------------------------
 
-#define WXDLLEXPORTLOCAL WXDLLEXPORT
-
 //@{
   /** @name ArrayInt */
-WX_DEFINE_ARRAY(int,    wxArrayInt);
+WX_DEFINE_EXPORTED_ARRAY(int, wxArrayInt);
   /** @name ArrayLong */
-WX_DEFINE_ARRAY(long,   wxArrayLong);
+WX_DEFINE_EXPORTED_ARRAY(long, wxArrayLong);
   /** @name ArrayPtrVoid */
-WX_DEFINE_ARRAY(void *, wxArrayPtrVoid);
+WX_DEFINE_EXPORTED_ARRAY(void *, wxArrayPtrVoid);
 //@}
 
 //@}
 
-#undef  WXDLLEXPORTLOCAL
-#define WXDLLEXPORTLOCAL
-
 // -----------------------------------------------------------------------------
-// convinience macros
+// convenience macros
 // -----------------------------------------------------------------------------
 
+// append all element of one array to another one
+#define WX_APPEND_ARRAY(array, other)                                         \
+    {                                                                         \
+        size_t count = (other).Count();                                       \
+        for ( size_t n = 0; n < count; n++ )                                  \
+        {                                                                     \
+            (array).Add((other)[n]);                                          \
+        }                                                                     \
+    }
+
 // delete all array elements
 //
 // NB: the class declaration of the array elements must be visible from the
@@ -423,13 +479,14 @@ WX_DEFINE_ARRAY(void *, wxArrayPtrVoid);
 //     count on it)!
 #define WX_CLEAR_ARRAY(array)                                                 \
     {                                                                         \
-        size_t count = array.Count();                                         \
+        size_t count = (array).Count();                                       \
         for ( size_t n = 0; n < count; n++ )                                  \
         {                                                                     \
-            delete array[n];                                                  \
+            delete (array)[n];                                                \
         }                                                                     \
                                                                               \
-        array.Empty();                                                        \
+        (array).Empty();                                                      \
     }
+
 #endif // _DYNARRAY_H