X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6712283cf1b562897bfc36c54da5e03c05f402ed..c40555e948e48d5c10f30d0c83b2c7702d23fa8e:/include/wx/vector.h?ds=sidebyside

diff --git a/include/wx/vector.h b/include/wx/vector.h
index f7aac0b20b..d77962d778 100644
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -102,22 +102,73 @@ struct wxVectorMemOpsGeneric
 
 template<typename T>
 class wxVector
-    // this cryptic expression means "derive from wxVectorMemOpsMovable if
-    // type T is movable type, otherwise derive from wxVectorMemOpsGeneric
-    : private wxIf< wxIsMovable<T>::value,
-                    wxPrivate::wxVectorMemOpsMovable<T>,
-                    wxPrivate::wxVectorMemOpsGeneric<T> >::value
 {
+private:
+    // This cryptic expression means "typedef Ops to wxVectorMemOpsMovable if
+    // type T is movable type, otherwise to wxVectorMemOpsGeneric".
+    //
+    // Note that we use typedef instead of privately deriving from this (which
+    // would allowed us to omit "Ops::" prefixes below) to keep VC6 happy,
+    // it can't compile code that derives from wxIf<...>::value.
+    typedef typename wxIf< wxIsMovable<T>::value,
+                           wxPrivate::wxVectorMemOpsMovable<T>,
+                           wxPrivate::wxVectorMemOpsGeneric<T> >::value
+            Ops;
+
 public:
     typedef size_t size_type;
+    typedef size_t difference_type;
     typedef T value_type;
+    typedef value_type* pointer;
     typedef value_type* iterator;
     typedef const value_type* const_iterator;
     typedef value_type& reference;
 
+    class reverse_iterator
+    {
+    public:
+        reverse_iterator() : m_ptr(NULL) { }
+        wxEXPLICIT reverse_iterator(iterator it) : m_ptr(it) { }
+        reverse_iterator(const reverse_iterator& it) : m_ptr(it.m_ptr) { }
+        
+        reference operator*() const { return *m_ptr; }
+        pointer operator->() const { return m_ptr; }
+        
+        iterator base() const { return m_ptr; }
+        
+        reverse_iterator& operator++() 
+                { --m_ptr; return *this; }
+        reverse_iterator operator++(int)
+                { reverse_iterator tmp = *this; --m_ptr; return tmp; }
+        reverse_iterator& operator--() 
+                { ++m_ptr; return *this; }
+        reverse_iterator operator--(int) 
+                { reverse_iterator tmp = *this; ++m_ptr; return tmp; }
+        
+        reverse_iterator operator+(difference_type n) const
+                { return reverse_iterator(m_ptr - n); }
+        reverse_iterator& operator+=(difference_type n)
+                { return m_ptr -= n; return *this; }
+        reverse_iterator operator-(difference_type n) const
+                { return reverse_iterator(m_ptr + n); }
+        reverse_iterator& operator-=(difference_type n)
+                { return m_ptr += n; return *this; }
+                
+        reference operator[](difference_type n) const
+                { return *(*this + n); }
+        
+        bool operator ==(const reverse_iterator& it) const 
+                { return m_ptr == it.m_ptr; }
+        bool operator !=(const reverse_iterator& it) const
+                { return m_ptr != it.m_ptr; }
+        
+    private:
+        value_type *m_ptr;
+    };
+
     wxVector() : m_size(0), m_capacity(0), m_values(NULL) {}
 
-    wxVector(const wxVector& c)
+    wxVector(const wxVector& c) : m_size(0), m_capacity(0), m_values(NULL)
     {
         Copy(c);
     }
@@ -135,9 +186,10 @@ public:
             m_values[i].~T();
         }
 
-        Free(m_values);
+        Ops::Free(m_values);
         m_values = NULL;
-        m_size = m_capacity = 0;
+        m_size =
+        m_capacity = 0;
     }
 
     void reserve(size_type n)
@@ -156,7 +208,7 @@ public:
         if ( m_capacity + increment > n )
             n = m_capacity + increment;
 
-        m_values = Realloc(m_values, n * sizeof(value_type), m_size);
+        m_values = Ops::Realloc(m_values, n * sizeof(value_type), m_size);
         m_capacity = n;
     }
 
@@ -177,6 +229,7 @@ public:
 
     wxVector& operator=(const wxVector& vb)
     {
+        clear();
         Copy(vb);
         return *this;
     }
@@ -226,6 +279,9 @@ public:
     const_iterator end() const { return m_values + size(); }
     iterator end() { return m_values + size(); }
 
+    reverse_iterator rbegin() { return reverse_iterator(end() - 1); }
+    reverse_iterator rend() { return reverse_iterator(begin() - 1); }
+
     iterator insert(iterator it, const value_type& v = value_type())
     {
         // NB: this must be done before reserve(), because reserve()
@@ -239,7 +295,7 @@ public:
         // the way:
         if ( after > 0 )
         {
-            MemmoveForward(m_values + idx + 1, m_values + idx, after);
+            Ops::MemmoveForward(m_values + idx + 1, m_values + idx, after);
         }
 
 #if wxUSE_EXCEPTIONS
@@ -258,7 +314,7 @@ public:
             // back to their original positions in m_values
             if ( after > 0 )
             {
-                MemmoveBackward(m_values + idx, m_values + idx + 1, after);
+                Ops::MemmoveBackward(m_values + idx, m_values + idx + 1, after);
             }
 
             throw; // rethrow the exception
@@ -295,7 +351,7 @@ public:
         // once that's done, move following elements over to the freed space:
         if ( after > 0 )
         {
-            MemmoveBackward(m_values + idx, m_values + idx + count, after);
+            Ops::MemmoveBackward(m_values + idx, m_values + idx + count, after);
         }
 
         m_size -= count;
@@ -314,7 +370,6 @@ private:
 
     void Copy(const wxVector& vb)
     {
-        clear();
         reserve(vb.size());
 
         for ( const_iterator i = vb.begin(); i != vb.end(); ++i )