set eol-style

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

diff --git a/include/wx/vector.h b/include/wx/vector.h
index 55d1b5c0155f753a59c9afce34ff28355731fd85..422e751b84f3b360995c66e55ed70bbcdfc993ac 100644 (file)
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -2,10 +2,11 @@
 // Name:        wx/vector.h
 // Purpose:     STL vector clone
 // Author:      Lindsay Mathieson
 // 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
 // Created:     30.07.2001

-// Copyright:   (c) 2001 Lindsay Mathieson <lindsay@mathieson.org>
-// Licence:     wxWindows license
+// Copyright:   (c) 2001 Lindsay Mathieson <lindsay@mathieson.org>,
+//                  2007 Vaclav Slavik <vslavik@fastmail.fm>
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_VECTOR_H_
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_VECTOR_H_


@@ -13,16 +14,128 @@
 
 #include "wx/defs.h"
 
 
 #include "wx/defs.h"
 

-class wxVectorBase
+#if wxUSE_STL
+
+#include <vector>
+#define wxVector std::vector
+
+#else // !wxUSE_STL
+
+template<typename T>
+class wxVector

 {
 {

-private:
-    int m_allocsize;
-    int m_size,
-        m_capacity;
-    void **m_objects;
+public:
+    typedef size_t size_type;
+    typedef T value_type;
+    typedef value_type* iterator;
+    typedef value_type& reference;
+
+    wxVector() : m_allocsize(16), m_size(0), m_capacity(0), m_objects(0) {}
+
+    wxVector(const wxVector& c)
+    {
+        wxCHECK2(Copy(c), return);
+    }
+
+    ~wxVector()
+    {
+        clear();
+    }
+
+    void clear()
+    {
+        for (size_type i = 0; i < size(); i++)
+            delete m_objects[i];
+        free(m_objects);
+        m_objects = 0;
+        m_size = m_capacity = 0;
+    }
+
+    void reserve(size_type n)
+    {
+        if ( !Alloc(n) )
+        {
+            wxFAIL_MSG( _T("out of memory in wxVector::reserve()") );
+        }
+    }

 
 

-protected:
-    bool Alloc(int sz)
+    size_type size() const
+    {
+        return m_size;
+    }
+
+    size_type capacity() const
+    {
+        return m_capacity;
+    }
+
+    bool empty() const
+    {
+        return size() == 0;
+    }
+
+    wxVector& operator=(const wxVector& vb)
+    {
+        wxCHECK(Copy(vb), *this);
+        return *this;
+    }
+
+    void push_back(const value_type& o)
+    {
+        wxCHECK2(Alloc(size() + 1), return);
+        Append(new value_type(o));
+    }
+
+    void pop_back()
+    {
+        RemoveAt(size() - 1);
+    }
+
+    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); }
+
+    iterator begin() { return m_objects[0]; }
+    iterator end() { return m_objects[size()]; }
+
+    iterator erase(iterator first, iterator last)
+    {
+        size_type idx = first - begin();
+        RemoveAt(idx, last - first);
+        return begin() + idx;
+    }
+    iterator erase(iterator it)
+    {
+        size_type idx = it - begin();
+        RemoveAt(idx);
+        return begin() + idx;
+    }
+
+    iterator insert(iterator it, const value_type& v = value_type())
+    {
+        wxCHECK2(Alloc(size() + 1), return 0);
+        size_type idx = it - begin();
+        InsertAt(new value_type(v), idx);
+        return begin() + idx;
+    }
+
+private:
+    bool Alloc(size_type sz)

     {
         // work in multiples of m_allocsize;
         sz = (sz / m_allocsize + 1) * m_allocsize;
     {
         // work in multiples of m_allocsize;
         sz = (sz / m_allocsize + 1) * m_allocsize;


@@ -30,179 +143,92 @@ protected:
             return true;
 
         // try to realloc
             return true;
 
         // try to realloc

-        void *mem = realloc(m_objects, sizeof(void *) * sz);
+        void *mem = realloc(m_objects, sizeof(value_type*) * sz);

         if (! mem)
             return false; // failed
         // success
         if (! mem)
             return false; // failed
         // success

-        m_objects = (void **) mem;
+        m_objects = (value_type **) mem;

         m_capacity = sz;
         return true;
         m_capacity = sz;
         return true;

-    };
-
-    // 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(int idx) const
+    void Append(value_type *obj)

     {
     {

-        wxASSERT(idx >= 0 && idx < m_size);
-        return m_objects[idx];
-    };
+        wxASSERT(m_size < m_capacity);
+        m_objects[m_size] = obj;
+        m_size++;
+    }

 
 

-    void Append(void *obj)
+    void InsertAt(size_type idx, value_type *obj)

     {
     {

+        wxASSERT(idx <= m_size);

         wxASSERT(m_size < m_capacity);
         wxASSERT(m_size < m_capacity);

-        m_objects[m_size] = obj;
+        if (idx < m_size)
+            memmove(
+                m_objects + idx + 1,
+                m_objects + idx,
+                ( m_size - idx ) * sizeof(value_type*) );
+

         m_size++;
         m_size++;

-    };
+    }

 
 

-    void RemoveAt(int idx)
+    void RemoveAt(size_type idx)

     {
     {

-        wxASSERT(idx >= 0 && idx < m_size);
-        Free(m_objects[idx]);
+        wxASSERT(idx < m_size);
+        delete m_objects[idx];

         if (idx < m_size - 1)
             memcpy(
         if (idx < m_size - 1)
             memcpy(

-                m_objects + idx * sizeof(void *),
-                m_objects + (idx + 1) * sizeof(void *),
-                m_size - idx - 1);
+                m_objects + idx,
+                m_objects + idx + 1,
+                ( m_size - idx - 1 ) * sizeof(value_type*) );

         m_size--;
         m_size--;

-    };
+    }

 
 

-    bool copy(const wxVectorBase& vb)
+    void RemoveAt(size_type idx, size_type count)
+    {
+        if (count == 0)
+            return;
+        wxASSERT(idx < m_size);
+        size_type i;
+        for (i = 0; i < count; i++)
+            delete m_objects[idx+1];
+        if (idx < m_size - count)
+            memcpy(
+                m_objects + idx,
+                m_objects + idx + count,
+                ( m_size - idx - count ) * sizeof(value_type*) );
+        m_size -= count;
+    }
+    bool Copy(const wxVector& vb)

     {
         clear();
         if (! Alloc(vb.size()))
             return false;
 
     {
         clear();
         if (! Alloc(vb.size()))
             return false;
 

-        for (int i = 0; i < vb.size(); i++)
+        for (size_type i = 0; i < vb.size(); i++)

         {
         {

-            void *o = vb.Copy(vb.GetItem(i));
+            value_type *o = new value_type(vb.at(i));

             if (! o)
                 return false;
             Append(o);
             if (! o)
                 return false;
             Append(o);

-        };
-
-        return true;
-    };
-
-public:
-    wxVectorBase() : m_objects(0), m_allocsize(16), m_size(0), m_capacity(0) {}
-    void clear()
-    {
-        for (int i = 0; i < size(); i++)
-            Free(m_objects[i]);
-        free(m_objects);
-        m_objects = 0;
-        m_size = m_capacity = 0;
-    };
-
-    void reserve(int n)
-    {
-        if ( !Alloc(n) )
-        {
-            wxFAIL_MSG( _T("out of memory in wxVector::reserve()") );

         }
         }

-    };

 
 

-    int size() const
-    {
-        return m_size;
+        return true;

     }
 
     }
 

-    int capacity() const
-    {
-        return m_size;
-    };
-
-    bool empty() const
-    {
-        return size() == 0;
-    };
-
-    wxVectorBase& operator = (const wxVectorBase& vb)
-    {
-        bool rc = copy(vb);
-        wxASSERT(rc);
-        return *this;
-    }
+private:
+    size_type m_allocsize;
+    size_type m_size,
+              m_capacity;
+    value_type **m_objects;

 };
 
 };
 

-#define WX_DECLARE_VECTORBASE(obj, cls)\
-private:\
-    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)\
-    {\
-        bool rc = copy(c);\
-        wxASSERT(rc);\
-    }\
-    ~cls()\
-    {\
-        clear();\
-    }
-
-#define WX_DECLARE_VECTOR(obj, cls)\
-class cls : public wxVectorBase\
-{\
-    WX_DECLARE_STL_VECTORBASE(obj, cls);\
-public:\
-    void push_back(const obj& o)\
-    {\
-        bool rc = Alloc(size() + 1);\
-        wxASSERT(rc);\
-        Append(new obj(o));\
-    };\
-    void pop_back()\
-    {\
-        RemoveAt(size() - 1);\
-    };\
-    const obj& at(int idx) const\
-    {\
-        return *(obj *) GetItem(idx);\
-    };\
-    obj& at(int idx)\
-    {\
-        return *(obj *) GetItem(idx);\
-    };\
-    const obj& operator[](int idx) const\
-    {\
-        return at(idx);\
-    };\
-    obj& operator[](int 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);\
-    };\
-    int erase(int idx)\
-    {\
-        RemoveAt(idx);\
-        return idx;\
-    };\
-}
+#endif // wxUSE_STL/!wxUSE_STL

 
 

-#endif // _WX_VECTOR_H_
+#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_