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/**********************************************************************
SettingsVisitor.cpp
James Crook
(C) Audacity Developers, 2007
wxWidgets license. See Licensing.txt
*//*******************************************************************/
#include "SettingsVisitor.h"
#ifdef _MSC_VER
// If this is compiled with MSVC (Visual Studio)
#pragma warning( push )
#pragma warning( disable: 4100 ) // unused parameters.
#endif //_MSC_VER
// The ShouldSet and CouldGet functions have an important side effect
// on the pOptionalFlag. They 'use it up' and clear it down for the next parameter.
template<bool Const>
SettingsVisitorBase<Const>::~SettingsVisitorBase() = default;
template<bool Const>
auto SettingsVisitorBase<Const>::Optional( [[maybe_unused]] Ref<bool> var )
-> SettingsVisitorBase &
{
pOptionalFlag = nullptr;
return *this;
}
template<bool Const>
auto SettingsVisitorBase<Const>::OptionalY( Ref<bool> var )
-> SettingsVisitorBase &
{
return Optional( var );
}
template<bool Const>
auto SettingsVisitorBase<Const>::OptionalN( Ref<bool> var )
-> SettingsVisitorBase &
{
return Optional( var );
}
// Tests for parameter being optional.
// Prepares for next parameter by clearing the pointer.
// Reports on whether the parameter should be set, i.e. should set
// if it was chosen to be set, or was not optional.
template<bool Const>
bool SettingsVisitorBase<Const>::ShouldSet()
{
if( !pOptionalFlag )
return true;
bool result = *pOptionalFlag;
pOptionalFlag = NULL;
return result;
}
// These are functions to override. They do nothing.
template<bool Const>
void SettingsVisitorBase<Const>::Define(Arg<bool>, const wxChar *,
bool, bool, bool, bool)
{}
template<bool Const>
void SettingsVisitorBase<Const>::Define(Arg<size_t>, const wxChar *,
int, int, int, int)
{}
template<bool Const>
void SettingsVisitorBase<Const>::Define(Arg<int>, const wxChar *,
int, int, int, int)
{}
template<bool Const>
void SettingsVisitorBase<Const>::Define(
Arg<float>, const wxChar *, float, float, float, float)
{}
template<bool Const>
void SettingsVisitorBase<Const>::Define(
Arg<double>, const wxChar *, float, float, float, float )
{}
template<bool Const>
void SettingsVisitorBase<Const>::Define(
Arg<double>, const wxChar *, double, double, double, double)
{}
template<bool Const>
void SettingsVisitorBase<Const>::Define(
Ref<wxString>, const wxChar *, wxString, wxString, wxString, wxString)
{}
template<bool Const>
void SettingsVisitorBase<Const>::DefineEnum(
Arg<int>, const wxChar *, int, const EnumValueSymbol [], size_t)
{}
// Explicit instantiations
template class SettingsVisitorBase<false>;
template class SettingsVisitorBase<true>;
#ifdef _MSC_VER
// If this is compiled with MSVC (Visual Studio)
#pragma warning( pop )
#endif //_MSC_VER
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