xti introduction

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22338 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/set.h

@@ -0,0 +1,113 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/set.h
+// Purpose:     a bitset suited for replacing the current style flags 
+// Author:      Stefan Csomor
+// Modified by: 
+// Created:     27/07/03
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 Stefan Csomor
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_SETH__
+#define _WX_SETH__
+
+#if defined(__GNUG__) && !defined(__APPLE__)
+#pragma interface "set.h"
+#endif
+
+// wxSet should be applied to an enum, then this can be used like
+// bitwise operators but keeps the type safety and information, the
+// enums must be in a sequence , their value determines the bit position
+// that they represent
+
+template <class T> class wxSet
+{
+	friend class wxEnumData ;
+public:
+    wxSet() { m_data = 0; }
+    wxSet(const wxSet &src) { m_data = src.m_data; }
+    wxSet(const T el) { m_data |= 1 << el; }
+    wxSet &operator =(const wxSet &rhs)
+    {
+		m_data = rhs.m_data;
+		return *this;
+    }
+    wxSet &operator +=(const wxSet &rhs) // union
+    {
+		m_data |= rhs.m_data;
+		return *this;
+    }
+    wxSet &operator -=(const wxSet &rhs) // difference
+    {
+		m_data ^= rhs.m_data;
+		return *this;
+    }
+
+    wxSet &operator *=(const wxSet &rhs) // intersection
+    {
+		m_data &= rhs.m_data;
+		return *this;
+    }
+
+    wxSet operator +(const wxSet &rhs) const // union
+    {
+		wxSet<T> s;
+		s.m_data = m_data | rhs.m_data;
+		return s;
+    }
+    wxSet operator -(const wxSet &rhs) const // difference
+    {
+		wxSet<T> s;
+		s.m_data = m_data ^ rhs.m_data;
+		return s;
+    }
+    wxSet operator *(const wxSet &rhs) const // intersection
+    {
+		wxSet<T> s;
+		s.m_data = m_data & rhs.m_data;
+		return s;
+    }
+
+    wxSet& Set(const T el) //Add element
+    {
+		m_data |= 1 << el;
+		return *this;
+    }
+    wxSet& Clear(const T el) //remove element
+    {
+		m_data &= ~(1 << el);
+		return *this;
+    }
+
+    bool Contains(const T el) const
+    {
+		return (m_data & (1 << el)) ? true : false;
+    }
+
+    wxSet &Clear()
+    {
+		m_data = 0;
+		return *this;
+    }
+
+    bool Empty() const
+    {
+		return m_data == 0;
+    }
+
+    bool operator ==(const wxSet &rhs) const
+    {
+		return m_data == rhs.m_data;
+    }
+
+    bool operator !=(const wxSet &rhs) const
+    {
+		return !operator==(rhs);
+    }
+private :
+	int m_data;
+};
+
+
+#endif