changed wxVectorBase and WX_DECLARE_BASE into wxVector<T> template

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47212 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/vector.h

@@ -2,9 +2,10 @@
 // Name:        wx/vector.h
 // Purpose:     STL vector clone
 // Author:      Lindsay Mathieson
-// Modified by:
+// Modified by: Vaclav Slavik - make it a template
 // Created:     30.07.2001
-// Copyright:   (c) 2001 Lindsay Mathieson <lindsay@mathieson.org>
+// Copyright:   (c) 2001 Lindsay Mathieson <lindsay@mathieson.org>,
+//                  2007 Vaclav Slavik <vslavik@fastmail.fm>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -13,89 +14,38 @@
 
 #include "wx/defs.h"
 
-class WXDLLIMPEXP_BASE wxVectorBase
+#if 0 // wxUSE_STL
+
+// FIXME: can't do this yet, wxVector::erase() is different (takes index,
+//        not iterator)
+#include <vector>
+#define wxVector std::vector
+
+#else // !wxUSE_STL
+
+template<typename T>
+class wxVector
 {
 public:
     typedef size_t size_type;
-private:
-    size_type m_allocsize;
-    size_type m_size,
-              m_capacity;
-    void **m_objects;
+    typedef T value_type;
 
-protected:
-    bool Alloc(size_type sz)
+    wxVector() : m_allocsize(16), m_size(0), m_capacity(0), m_objects(0) {}
+
+    wxVector(const wxVector& c)
     {
-        // work in multiples of m_allocsize;
-        sz = (sz / m_allocsize + 1) * m_allocsize;
-        if (sz <= m_capacity)
-            return true;
-
-        // try to realloc
-        void *mem = realloc(m_objects, sizeof(void *) * sz);
-        if (! mem)
-            return false; // failed
-        // success
-        m_objects = (void **) mem;
-        m_capacity = sz;
-        return true;
+        wxCHECK2(Copy(c), return);
     }
 
-    // untyped destructor of elements - must be overriden
-    virtual void Free(void *) = 0;
-    // untyped copy constructor of elements - must be overriden
-    virtual void *Copy(const void *) const = 0;
-
-    const void *GetItem(size_type idx) const
-    {
-        wxASSERT(idx < m_size);
-        return m_objects[idx];
-    }
-
-    void Append(void *obj)
-    {
-        wxASSERT(m_size < m_capacity);
-        m_objects[m_size] = obj;
-        m_size++;
-    }
-
-    void RemoveAt(size_type idx)
-    {
-        wxASSERT(idx < m_size);
-        Free(m_objects[idx]);
-        if (idx < m_size - 1)
-            memcpy(
-                m_objects + idx,
-                m_objects + idx + 1,
-                ( m_size - idx - 1 ) * sizeof(void*) );
-        m_size--;
-    }
-
-    bool copy(const wxVectorBase& vb)
+    ~wxVector()
     {
         clear();
-        if (! Alloc(vb.size()))
-            return false;
-
-        for (size_type i = 0; i < vb.size(); i++)
-        {
-            void *o = vb.Copy(vb.GetItem(i));
-            if (! o)
-                return false;
-            Append(o);
-        }
-
-        return true;
     }
 
-public:
-    wxVectorBase() : m_allocsize(16), m_size(0), m_capacity(0), m_objects(0) {}
-    virtual ~wxVectorBase() {} // calm down GCC
-
     void clear()
     {
         for (size_type i = 0; i < size(); i++)
-            Free(m_objects[i]);
+            delete m_objects[i];
         free(m_objects);
         m_objects = 0;
         m_size = m_capacity = 0;
@@ -124,89 +74,115 @@ public:
         return size() == 0;
     }
 
-    wxVectorBase& operator = (const wxVectorBase& vb)
+    wxVector& operator=(const wxVector& vb)
     {
-        wxCHECK(copy(vb), *this);
+        wxCHECK(Copy(vb), *this);
         return *this;
     }
-};
 
-#define WX_DECLARE_VECTORBASE(obj, cls)\
-protected:\
-    virtual void Free(void *o)\
-    {\
-        delete (obj *) o;\
-    }\
-    virtual void *Copy(const void *o) const\
-    {\
-        return new obj(*(obj *) o);\
-    }\
-public:\
-    cls() {}\
-    cls(const cls& c) : wxVectorBase()\
-    {\
-        wxCHECK2(copy(c), return);\
-    }\
-    ~cls()\
-    {\
-        clear();\
+    void push_back(const value_type& o)
+    {
+        wxCHECK2(Alloc(size() + 1), return);
+        Append(new value_type(o));
     }
 
-#define _WX_DECLARE_VECTOR(obj, cls, exp)\
-class exp cls : public wxVectorBase\
-{\
-    WX_DECLARE_VECTORBASE(obj, cls)\
-public:\
-    void push_back(const obj& o)\
-    {\
-        wxCHECK2(Alloc(size() + 1), return);\
-        Append(new obj(o));\
-    }\
-    void pop_back()\
-    {\
-        RemoveAt(size() - 1);\
-    }\
-    const obj& at(size_type idx) const\
-    {\
-        return *(obj *) GetItem(idx);\
-    }\
-    obj& at(size_type idx)\
-    {\
-        return *(obj *) GetItem(idx);\
-    }\
-    const obj& operator[](size_type idx) const\
-    {\
-        return at(idx);\
-    }\
-    obj& operator[](size_type idx)\
-    {\
-        return at(idx);\
-    }\
-    const obj& front() const\
-    {\
-        return at(0);\
-    }\
-    obj& front()\
-    {\
-        return at(0);\
-    }\
-    const obj& back() const\
-    {\
-        return at(size() - 1);\
-    }\
-    obj& back()\
-    {\
-        return at(size() - 1);\
-    }\
-    size_type erase(size_type idx)\
-    {\
-        RemoveAt(idx);\
-        return idx;\
-    }\
-}
+    void pop_back()
+    {
+        RemoveAt(size() - 1);
+    }
 
-#define WX_DECLARE_VECTOR(obj, cls) \
-  _WX_DECLARE_VECTOR(obj, cls, WXDLLEXPORT)
+    const value_type& at(size_type idx) const
+    {
+        wxASSERT(idx < m_size);
+        return *m_objects[idx];
+    }
+
+    value_type& at(size_type idx)
+    {
+        wxASSERT(idx < m_size);
+        return *m_objects[idx];
+    }
+
+    const value_type& operator[](size_type idx) const  { return at(idx); }
+    value_type& operator[](size_type idx) { return at(idx); }
+    const value_type& front() const { return at(0); }
+    value_type& front() { return at(0); }
+    const value_type& back() const { return at(size() - 1); }
+    value_type& back() { return at(size() - 1); }
+
+    size_type erase(size_type idx)
+    {
+        RemoveAt(idx);
+        return idx;
+    }
+
+private:
+    bool Alloc(size_type sz)
+    {
+        // work in multiples of m_allocsize;
+        sz = (sz / m_allocsize + 1) * m_allocsize;
+        if (sz <= m_capacity)
+            return true;
+
+        // try to realloc
+        void *mem = realloc(m_objects, sizeof(value_type*) * sz);
+        if (! mem)
+            return false; // failed
+        // success
+        m_objects = (value_type **) mem;
+        m_capacity = sz;
+        return true;
+    }
+
+    void Append(value_type *obj)
+    {
+        wxASSERT(m_size < m_capacity);
+        m_objects[m_size] = obj;
+        m_size++;
+    }
+
+    void RemoveAt(size_type idx)
+    {
+        wxASSERT(idx < m_size);
+        delete m_objects[idx];
+        if (idx < m_size - 1)
+            memcpy(
+                m_objects + idx,
+                m_objects + idx + 1,
+                ( m_size - idx - 1 ) * sizeof(void*) );
+        m_size--;
+    }
+
+    bool Copy(const wxVector& vb)
+    {
+        clear();
+        if (! Alloc(vb.size()))
+            return false;
+
+        for (size_type i = 0; i < vb.size(); i++)
+        {
+            value_type *o = new value_type(vb.at(i));
+            if (! o)
+                return false;
+            Append(o);
+        }
+
+        return true;
+    }
+
+private:
+    size_type m_allocsize;
+    size_type m_size,
+              m_capacity;
+    value_type **m_objects;
+};
+
+#endif // wxUSE_STL/!wxUSE_STL
+
+#if WXWIN_COMPATIBILITY_2_8
+    #define WX_DECLARE_VECTORBASE(obj, cls) typedef wxVector<obj> cls
+    #define _WX_DECLARE_VECTOR(obj, cls, exp) WX_DECLARE_VECTORBASE(obj, cls)
+    #define WX_DECLARE_VECTOR(obj, cls) WX_DECLARE_VECTORBASE(obj, cls)
+#endif // WXWIN_COMPATIBILITY_2_8
 
 #endif // _WX_VECTOR_H_
-