#else
-// namespace support was first implemented in gcc-2.95,
-// so avoid using it for older versions.
-#if !defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 95)
-
-#define wxHAS_NAMESPACES
-
namespace wxPrivate
{
-#else
-#define wxPrivate
-#endif
// in the original implementation this was a member template function of
// ScopeGuardImplBase but gcc 2.8 which is still used for OS/2 doesn't
// support member templates and so we must make it global
void Use(const T& WXUNUSED(t))
{
}
-#if !defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 95)
} // namespace wxPrivate
-#endif
#define wxPrivateOnScopeExit(n) wxPrivate::OnScopeExit(n)
#define wxPrivateUse(n) wxPrivate::Use(n)
return wxScopeGuardImpl2<F, P1, P2>::MakeGuard(fun, p1, p2);
}
+// ----------------------------------------------------------------------------
+// wxScopeGuardImpl3: scope guard for actions with 3 parameters
+// ----------------------------------------------------------------------------
+
+template <class F, class P1, class P2, class P3>
+class wxScopeGuardImpl3 : public wxScopeGuardImplBase
+{
+public:
+ static wxScopeGuardImpl3<F, P1, P2, P3> MakeGuard(F fun, P1 p1, P2 p2, P3 p3)
+ {
+ return wxScopeGuardImpl3<F, P1, P2, P3>(fun, p1, p2, p3);
+ }
+
+ ~wxScopeGuardImpl3() { wxPrivateOnScopeExit(*this); }
+
+ void Execute() { m_fun(m_p1, m_p2, m_p3); }
+
+protected:
+ wxScopeGuardImpl3(F fun, P1 p1, P2 p2, P3 p3)
+ : m_fun(fun), m_p1(p1), m_p2(p2), m_p3(p3) { }
+
+ F m_fun;
+ const P1 m_p1;
+ const P2 m_p2;
+ const P3 m_p3;
+
+ wxScopeGuardImpl3& operator=(const wxScopeGuardImpl3&);
+};
+
+template <class F, class P1, class P2, class P3>
+inline wxScopeGuardImpl3<F, P1, P2, P3> wxMakeGuard(F fun, P1 p1, P2 p2, P3 p3)
+{
+ return wxScopeGuardImpl3<F, P1, P2, P3>::MakeGuard(fun, p1, p2, p3);
+}
+
// ============================================================================
// wxScopeGuards for object methods
// ============================================================================
MakeObjGuard(obj, memFun, p1, p2);
}
+template <class Obj, class MemFun, class P1, class P2, class P3>
+class wxObjScopeGuardImpl3 : public wxScopeGuardImplBase
+{
+public:
+ static wxObjScopeGuardImpl3<Obj, MemFun, P1, P2, P3>
+ MakeObjGuard(Obj& obj, MemFun memFun, P1 p1, P2 p2, P3 p3)
+ {
+ return wxObjScopeGuardImpl3<Obj, MemFun, P1, P2, P3>(obj, memFun, p1, p2, p3);
+ }
+
+ ~wxObjScopeGuardImpl3() { wxPrivateOnScopeExit(*this); }
+
+ void Execute() { (m_obj.*m_memfun)(m_p1, m_p2, m_p3); }
+
+protected:
+ wxObjScopeGuardImpl3(Obj& obj, MemFun memFun, P1 p1, P2 p2, P3 p3)
+ : m_obj(obj), m_memfun(memFun), m_p1(p1), m_p2(p2), m_p3(p3) { }
+
+ Obj& m_obj;
+ MemFun m_memfun;
+ const P1 m_p1;
+ const P2 m_p2;
+ const P3 m_p3;
+};
+
+template <class Obj, class MemFun, class P1, class P2, class P3>
+inline wxObjScopeGuardImpl3<Obj, MemFun, P1, P2, P3>
+wxMakeObjGuard(Obj& obj, MemFun memFun, P1 p1, P2 p2, P3 p3)
+{
+ return wxObjScopeGuardImpl3<Obj, MemFun, P1, P2, P3>::
+ MakeObjGuard(obj, memFun, p1, p2, p3);
+}
+
// ----------------------------------------------------------------------------
// wxVariableSetter: use the same technique as for wxScopeGuard to allow
// setting a variable to some value on block exit
// ----------------------------------------------------------------------------
-#ifdef wxHAS_NAMESPACES
-
namespace wxPrivate
{
class VariableSetterImpl : public VariableSetterBase
{
public:
- VariableSetterImpl(T& var, const U& value)
+ VariableSetterImpl(T& var, U value)
: m_var(var),
m_value(value)
{
private:
T& m_var;
- const U& m_value;
+ const U m_value;
// suppress the warning about assignment operator not being generated
VariableSetterImpl<T, U>& operator=(const VariableSetterImpl<T, U>&);
template <typename T, typename U>
inline
-wxPrivate::VariableSetterImpl<T, U> wxMakeVarSetter(T& var, const U& value)
+wxPrivate::VariableSetterImpl<T, U> wxMakeVarSetter(T& var, U value)
{
return wxPrivate::VariableSetterImpl<T, U>(var, value);
}
return wxPrivate::VariableNullerImpl<T>(var);
}
-#endif // wxHAS_NAMESPACES
-
// ============================================================================
// macros for declaring unnamed scoped guards (which can't be dismissed)
// ============================================================================
wxON_BLOCK_EXIT_OBJ2(*this, m, p1, p2)
+#define wxON_BLOCK_EXIT3_IMPL(n, f, p1, p2, p3) \
+ wxScopeGuard n = wxMakeGuard(f, p1, p2, p3); \
+ wxPrivateUse(n)
+#define wxON_BLOCK_EXIT3(f, p1, p2, p3) \
+ wxON_BLOCK_EXIT3_IMPL(wxGuardName, f, p1, p2, p3)
+
+#define wxON_BLOCK_EXIT_OBJ3_IMPL(n, o, m, p1, p2, p3) \
+ wxScopeGuard n = wxMakeObjGuard(o, m, p1, p2, p3); \
+ wxPrivateUse(n)
+#define wxON_BLOCK_EXIT_OBJ3(o, m, p1, p2, p3) \
+ wxON_BLOCK_EXIT_OBJ3_IMPL(wxGuardName, o, &m, p1, p2, p3)
+
+#define wxON_BLOCK_EXIT_THIS3(m, p1, p2, p3) \
+ wxON_BLOCK_EXIT_OBJ3(*this, m, p1, p2, p3)
+
+
#define wxSetterName wxMAKE_UNIQUE_NAME(wxVarSetter)
#define wxON_BLOCK_EXIT_SET_IMPL(n, var, value) \