// 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
///////////////////////////////////////////////////////////////////////////////
#include "wx/defs.h"
-class WXDLLEXPORT wxVectorBase
+#if wxUSE_STL
+
+#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;
+ 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()") );
+ }
+ }
+
+ 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()]; }
-protected:
+ 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;
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
- m_objects = (void **) mem;
+ m_objects = (value_type **) mem;
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(size_type 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);
- 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++;
- };
+ }
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(
m_objects + idx,
m_objects + idx + 1,
- ( m_size - idx - 1 ) * sizeof(void*) );
+ ( m_size - idx - 1 ) * sizeof(value_type*) );
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()))
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);
- };
-
- 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]);
- 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()") );
}
- };
- size_type size() const
- {
- return m_size;
+ return true;
}
- size_type capacity() const
- {
- return m_capacity;
- };
-
- bool empty() const
- {
- return size() == 0;
- };
-
- wxVectorBase& operator = (const wxVectorBase& vb)
- {
- wxCHECK(copy(vb), *this);
- 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)\
- {\
- wxCHECK2(copy(c), return);\
- }\
- ~cls()\
- {\
- clear();\
- }
-
-#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;\
- };\
-}
-
-#define WX_DECLARE_VECTOR(obj, cls) \
- _WX_DECLARE_VECTOR(obj, cls, WXDLLEXPORT)
+#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_
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