void
Slice::ObjCGenerator::writeOptMemberMarshalUnmarshalCode(Output &out, const TypePtr& type, const string& param,
bool marshal) const
{
string stream = marshal ? "os_" : "is_";
string optionalHelper;
string helper;
BuiltinPtr builtin = BuiltinPtr::dynamicCast(type);
if(builtin)
{
if(builtin->kind() == Builtin::KindObjectProxy)
{
optionalHelper = "ICEVarLengthOptionalHelper";
helper = "[ICEProxyHelper class]";
}
else
{
writeMarshalUnmarshalCode(out, type, param, marshal, false);
return;
}
}
ClassDeclPtr cl = ClassDeclPtr::dynamicCast(type);
if(cl)
{
writeMarshalUnmarshalCode(out, type, param, marshal, false);
return;
}
EnumPtr en = EnumPtr::dynamicCast(type);
if(en)
{
writeMarshalUnmarshalCode(out, type, param, marshal, false);
return;
}
ProxyPtr prx = ProxyPtr::dynamicCast(type);
if(prx)
{
optionalHelper = "ICEVarLengthOptionalHelper";
helper = "objc_getClass(\"" + moduleName(findModule(prx->_class())) + prx->_class()->name() + "PrxHelper\")";
}
StructPtr st = StructPtr::dynamicCast(type);
if(st)
{
if(st->isVariableLength())
{
optionalHelper = "ICEVarLengthOptionalHelper";
}
else
{
optionalHelper = "ICEFixedLengthOptionalHelper";
}
helper = "[" + typeToString(st) + "Helper class]";
}
SequencePtr seq = SequencePtr::dynamicCast(type);
if(seq)
{
TypePtr element = seq->type();
if(element->isVariableLength())
{
optionalHelper = "ICEVarLengthOptionalHelper";
}
else if(element->minWireSize() == 1)
{
writeMarshalUnmarshalCode(out, type, param, marshal, false);
return;
}
else
{
optionalHelper = "ICEFixedSequenceOptionalHelper";
}
helper = "[" + moduleName(findModule(seq)) + seq->name() + "Helper class]";
}
DictionaryPtr d = DictionaryPtr::dynamicCast(type);
if(d)
{
if(d->keyType()->isVariableLength() || d->valueType()->isVariableLength())
{
optionalHelper = "ICEVarLengthOptionalHelper";
}
else
{
optionalHelper = "ICEFixedDictionaryOptionalHelper";
}
helper = "[" + moduleName(findModule(d)) + d->name() + "Helper class]";
}
out << nl;
if(marshal)
{
out << "[" << optionalHelper << " write:" << param << " stream:" << stream << " helper:" << helper << "];";
}
else
{
out << param << " = [" << optionalHelper << " readRetained:" << stream << " helper:" << helper << "];";
}
}
string
Slice::ObjCGenerator::getOptionalFormat(const TypePtr& type)
{
BuiltinPtr bp = BuiltinPtr::dynamicCast(type);
if(bp)
{
switch(bp->kind())
{
case Builtin::KindByte:
case Builtin::KindBool:
{
return "ICEOptionalFormatF1";
}
case Builtin::KindShort:
{
return "ICEOptionalFormatF2";
}
case Builtin::KindInt:
case Builtin::KindFloat:
{
return "ICEOptionalFormatF4";
}
case Builtin::KindLong:
case Builtin::KindDouble:
{
return "ICEOptionalFormatF8";
}
case Builtin::KindString:
{
return "ICEOptionalFormatVSize";
}
case Builtin::KindObject:
case Builtin::KindValue:
{
return "ICEOptionalFormatClass";
}
case Builtin::KindObjectProxy:
{
return "ICEOptionalFormatFSize";
}
case Builtin::KindLocalObject:
{
assert(false);
break;
}
}
}
if(EnumPtr::dynamicCast(type))
{
return "ICEOptionalFormatSize";
}
SequencePtr seq = SequencePtr::dynamicCast(type);
if(seq)
{
return seq->type()->isVariableLength() ? "ICEOptionalFormatFSize" : "ICEOptionalFormatVSize";
}
DictionaryPtr d = DictionaryPtr::dynamicCast(type);
if(d)
{
return (d->keyType()->isVariableLength() || d->valueType()->isVariableLength()) ?
"ICEOptionalFormatFSize" : "ICEOptionalFormatVSize";
}
StructPtr st = StructPtr::dynamicCast(type);
if(st)
{
return st->isVariableLength() ? "ICEOptionalFormatFSize" : "ICEOptionalFormatVSize";
}
if(ProxyPtr::dynamicCast(type))
{
return "ICEOptionalFormatFSize";
}
ClassDeclPtr cl = ClassDeclPtr::dynamicCast(type);
assert(cl);
return "ICEOptionalFormatClass";
}