+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/flags.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(NO_GCC_PRAGMA)
+#pragma interface "flags.h"
+#endif
+
+// wxFlags 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 wxFlags
+{
+ friend class wxEnumData ;
+public:
+ wxFlags(long val) { m_data = val ; }
+ wxFlags() { m_data = 0; }
+ wxFlags(const wxFlags &src) { m_data = src.m_data; }
+ wxFlags(const T el) { m_data |= 1 << el; }
+
+ operator long() const { return m_data ; }
+
+ wxFlags &operator =(const wxFlags &rhs)
+ {
+ m_data = rhs.m_data;
+ return *this;
+ }
+ wxFlags &operator +=(const wxFlags &rhs) // union
+ {
+ m_data |= rhs.m_data;
+ return *this;
+ }
+ wxFlags &operator -=(const wxFlags &rhs) // difference
+ {
+ m_data ^= rhs.m_data;
+ return *this;
+ }
+
+ wxFlags &operator *=(const wxFlags &rhs) // intersection
+ {
+ m_data &= rhs.m_data;
+ return *this;
+ }
+
+ wxFlags operator +(const wxFlags &rhs) const // union
+ {
+ wxFlags<T> s;
+ s.m_data = m_data | rhs.m_data;
+ return s;
+ }
+ wxFlags operator -(const wxFlags &rhs) const // difference
+ {
+ wxFlags<T> s;
+ s.m_data = m_data ^ rhs.m_data;
+ return s;
+ }
+ wxFlags operator *(const wxFlags &rhs) const // intersection
+ {
+ wxFlags<T> s;
+ s.m_data = m_data & rhs.m_data;
+ return s;
+ }
+
+ wxFlags& Set(const T el) //Add element
+ {
+ m_data |= 1 << el;
+ return *this;
+ }
+ wxFlags& 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;
+ }
+
+ wxFlags &Clear()
+ {
+ m_data = 0;
+ return *this;
+ }
+
+ bool Empty() const
+ {
+ return m_data == 0;
+ }
+
+ bool operator ==(const wxFlags &rhs) const
+ {
+ return m_data == rhs.m_data;
+ }
+
+ bool operator !=(const wxFlags &rhs) const
+ {
+ return !operator==(rhs);
+ }
+private :
+ int m_data;
+};
+
+
+#endif
projects / wxWidgets.git / commitdiff
