#include "wx/vector.h"
#include "wx/module.h"
+#include "wx/hashmap.h"
+#include "wx/hashset.h"
using namespace wxPrivate;
+#if wxUSE_VARIANT
+
//-------------------------------------------------------------------------
// wxAnyValueTypeGlobals
//-------------------------------------------------------------------------
+WX_DECLARE_HASH_MAP(wxAnyValueType*,
+ wxVariantDataFactory,
+ wxPointerHash,
+ wxPointerEqual,
+ wxAnyTypeToVariantDataFactoryMap);
+
//
-// Helper class to manage wxAnyValueType instances and other
-// related global variables.
-//
-// NB: We really need to have wxAnyValueType instances allocated
-// in heap. They are stored as static template member variables,
-// and with them we just can't be too careful (eg. not allocating
-// them in heap broke the type identification in GCC).
+// Helper class to manage global variables related to type conversion
+// between wxAny and wxVariant.
//
class wxAnyValueTypeGlobals
{
}
~wxAnyValueTypeGlobals()
{
- for ( size_t i=0; i<m_valueTypes.size(); i++ )
- delete m_valueTypes[i];
+ m_anyToVariant.clear();
+ }
+
+ void PreRegisterAnyToVariant(wxAnyToVariantRegistration* reg)
+ {
+ m_anyToVariantRegs.push_back(reg);
}
- void RegisterValueType(wxAnyValueType* valueType)
+ // Find wxVariantData factory function for given value type,
+ // (or compatible, if possible)
+ wxVariantDataFactory FindVariantDataFactory(const wxAnyValueType* type_)
{
- m_valueTypes.push_back(valueType);
+ // Ideally we'd have the hash map of type 'const wxAnyValueType*',
+ // but WX_DECLARE_HASH_MAP() has some trouble with it.
+ wxAnyValueType* type = const_cast<wxAnyValueType*>(type_);
+
+ wxAnyTypeToVariantDataFactoryMap& anyToVariant = m_anyToVariant;
+ wxAnyTypeToVariantDataFactoryMap::const_iterator it;
+ it = anyToVariant.find(type);
+ if ( it != anyToVariant.end() )
+ return it->second;
+
+ // Not found, handle pre-registrations
+ size_t i = m_anyToVariantRegs.size();
+ while ( i > 0 )
+ {
+ i--;
+ wxAnyToVariantRegistration* reg = m_anyToVariantRegs[i];
+ wxAnyValueType* assocType = reg->GetAssociatedType();
+ if ( assocType )
+ {
+ // Both variant data and wxAnyValueType have been
+ // now been properly initialized, so remove the
+ // pre-registration entry and move data to anyToVarian
+ // map.
+ anyToVariant[assocType] = reg->GetFactory();
+ m_anyToVariantRegs.erase( m_anyToVariantRegs.begin() + i );
+ }
+ }
+
+ // Then try again
+ it = anyToVariant.find(type);
+ if ( it != anyToVariant.end() )
+ return it->second;
+
+ // Finally, attempt to find a compatible type
+ for ( it = anyToVariant.begin(); it != anyToVariant.end(); it++ )
+ {
+ if ( type->IsSameType(it->first) )
+ {
+ wxVariantDataFactory f = it->second;
+ anyToVariant[type] = f;
+ return f;
+ }
+ }
+
+ // Nothing found
+ return NULL;
}
private:
- wxVector<wxAnyValueType*> m_valueTypes;
+ wxAnyTypeToVariantDataFactoryMap m_anyToVariant;
+ wxVector<wxAnyToVariantRegistration*> m_anyToVariantRegs;
};
static wxAnyValueTypeGlobals* g_wxAnyValueTypeGlobals = NULL;
+
+WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplVariantData)
+
+void wxPreRegisterAnyToVariant(wxAnyToVariantRegistration* reg)
+{
+ if ( !g_wxAnyValueTypeGlobals )
+ g_wxAnyValueTypeGlobals = new wxAnyValueTypeGlobals();
+ g_wxAnyValueTypeGlobals->PreRegisterAnyToVariant(reg);
+}
+
+bool wxConvertAnyToVariant(const wxAny& any, wxVariant* variant)
+{
+ if ( any.IsNull() )
+ {
+ variant->MakeNull();
+ return true;
+ }
+
+ // (signed) integer is a special case, because there is only one type
+ // in wxAny, and two ("long" and "longlong") in wxVariant. For better
+ // backwards compatibility, convert all values that fit in "long",
+ // and others to "longlong".
+ if ( wxANY_CHECK_TYPE(any, signed int) )
+ {
+#ifdef wxLongLong_t
+ wxLongLong_t ll = 0;
+ if ( any.GetAs(&ll) )
+ {
+ // NB: Do not use LONG_MAX here. Explicitly using 32-bit
+ // integer constraint yields more consistent behavior across
+ // builds.
+ if ( ll > wxINT32_MAX || ll < wxINT32_MIN )
+ *variant = wxLongLong(ll);
+ else
+ *variant = (long) wxLongLong(ll).GetLo();
+ }
+ else
+ {
+ return false;
+ }
+#else
+ long l;
+ if ( any.GetAs(&l) )
+ *variant = l;
+ else
+ return false;
+#endif
+ return true;
+ }
+
+ // Find matching factory function
+ wxVariantDataFactory f =
+ g_wxAnyValueTypeGlobals->FindVariantDataFactory(any.GetType());
+
+ wxVariantData* data = NULL;
+
+ if ( f )
+ {
+ data = f(any);
+ }
+ else
+ {
+ // Check if wxAny wrapped wxVariantData*
+ if ( !any.GetAs(&data) )
+ {
+ // Ok, one last chance: while unlikely, it is possible that the
+ // wxAny actually contains wxVariant.
+ if ( wxANY_CHECK_TYPE(any, wxVariant) )
+ *variant = wxANY_AS(any, wxVariant);
+ return false;
+ }
+
+ // Wrapper's GetValue() does not increase reference
+ // count, se have to do it before the data gets passed
+ // to a new variant.
+ data->IncRef();
+ }
+
+ variant->SetData(data);
+ return true;
+}
+
//
// This class is to make sure that wxAnyValueType instances
// etc. get freed correctly. We must use a separate wxAnyValueTypeGlobals
}
virtual void OnExit()
{
- delete g_wxAnyValueTypeGlobals;
- g_wxAnyValueTypeGlobals = NULL;
+ wxDELETE(g_wxAnyValueTypeGlobals);
}
private:
};
IMPLEMENT_DYNAMIC_CLASS(wxAnyValueTypeGlobalsManager, wxModule)
+#endif // wxUSE_VARIANT
-//-------------------------------------------------------------------------
-// wxAnyValueType
-//-------------------------------------------------------------------------
-
-wxAnyValueType::wxAnyValueType()
-{
- if ( !g_wxAnyValueTypeGlobals )
- g_wxAnyValueTypeGlobals = new wxAnyValueTypeGlobals();
-
- g_wxAnyValueTypeGlobals->RegisterValueType(this);
-}
//-------------------------------------------------------------------------
// Dynamic conversion member functions
return true;
}
-bool wxAnyValueTypeImplString::ConvertValue(const wxAnyValueBuffer& src,
- wxAnyValueType* dstType,
- wxAnyValueBuffer& dst) const
+// Convert wxString to destination wxAny value type
+bool wxAnyConvertString(const wxString& value,
+ wxAnyValueType* dstType,
+ wxAnyValueBuffer& dst)
{
- wxString value = GetValue(src);
- if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, wxAnyBaseIntType) )
+ if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, wxString) )
+ {
+ wxAnyValueTypeImpl<wxString>::SetValue(value, dst);
+ }
+ else if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, wxAnyBaseIntType) )
{
wxAnyBaseIntType value2;
#ifdef wxLongLong_t
else if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, bool) )
{
bool value2;
- value.MakeLower();
- if ( value == wxS("true") ||
- value == wxS("yes") ||
- value == wxS('1') )
+ wxString s(value);
+ s.MakeLower();
+ if ( s == wxS("true") ||
+ s == wxS("yes") ||
+ s == wxS('1') )
value2 = true;
- else if ( value == wxS("false") ||
- value == wxS("no") ||
- value == wxS('0') )
+ else if ( s == wxS("false") ||
+ s == wxS("no") ||
+ s == wxS('0') )
value2 = false;
else
return false;
WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplInt)
WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplUint)
-WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplString)
WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<bool>)
WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplDouble)
+WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplwxString)
+WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplConstCharPtr)
+WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImplConstWchar_tPtr)
+
WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxDateTime>)
//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxObject*>)
//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxArrayString>)
projects / wxWidgets.git / blobdiff