public string CastJniToUno(DataType unoType, string line, bool stackArg)
{
var unbox = stackArg ? "UnBox" : "UnBoxFreeingLocalRef";
if (_helpers.IsPrimitive(unoType) || unoType.IsEnum)
{
return("(@{" + unoType.FullName + "})" + line);
}
if (unoType == _essentials.String)
{
return("JniHelper::JavaToUnoString((jstring)" + line + ")");
}
if (IsJavaObject(unoType))
{
return("(@{" + unoType.FullName + "})@{global::Android.Base.Wrappers.JavaObjectHelper.JObjectToJWrapper(global::Android.Base.Primitives.ujobject,bool):Call(" + line + ", " + stackArg.ToString().ToLower() + ")}");
}
if (unoType.IsStruct)
{
return(_helpers.UnboxStruct(unoType, "@{" + ForeignJavaPass.UnoToJavaBoxingClass.FullName + "." + unbox + "(global::Android.Base.Primitives.ujobject):Call(" + line + ")}"));
}
if (!IsVoid(unoType))
{
return(_helpers.CastTo(unoType, "@{" + ForeignJavaPass.UnoToJavaBoxingClass.FullName + "." + unbox + "(global::Android.Base.Primitives.ujobject):Call(" + line + ")}"));
}
throw new InvalidCastException("ForeignCode: Could not establish how to convert from '" + line + "' to the uno type '" + unoType + "'");
}
public MacroParam(Parameter p, Converters.Converter convert, ForeignHelpers helpers)
{
var unoArgName = "uno_" + p.Name;
var isThis = (p.Name == CppThisArgName || p.Name == DelegateArgName);
var callForm = helpers.IsPrimitive(p.Type) || p.Type.IsEnum || p.Type.IsStruct ? unoArgName : helpers.CastTo(p.Type, unoArgName);
UnoArgName = unoArgName;
Type = p.Type;
JniSigType = convert.Type.UnoToJniSigType(p.Type);
CppArgName = p.Name + _javaArgPointerPostfix;
CppTypedName = UnoToJniParameter(p, convert);
JavaArgCast = "(" + convert.Type.UnoToJavaType(p.Type, false) + ")";
JavaTypedName = convert.Param.UnoToJavaParameter(p);
JniToUnoCoversion = GenToUnoConversion(p, unoArgName, convert, helpers);
if (!helpers.IsPrimitive(p) && p.Type.IsStruct)
{
Console.Write("");
}
CallForm = callForm;
HasPointerArg = convert.Type.IsJavaObject(p.Type);
IsThis = isThis;
}
public JniValueCast(DataType dt, JniFreeingTechnique free, string jniTmpVarName, string unoTmpVarName,
Converter convert, IEssentials essentials, ForeignHelpers helpers)
{
JniVarName = jniTmpVarName;
UnoTmpVarName = unoTmpVarName;
UnoTmpVarLet = line => "@{" + dt.FullName + "} " + unoTmpVarName + "=" + line + ";";
var typeUsuallyFreed = true;
string cast;
if (helpers.IsPrimitive(dt) || dt.IsEnum)
{
cast = "(" + convert.Type.UnoToJniType(dt) + ")" + unoTmpVarName;
typeUsuallyFreed = false;
}
else if (dt == essentials.String)
{
cast = "JniHelper::UnoToJavaString(" + unoTmpVarName + ")";
}
else if (convert.Type.IsJavaObject(dt))
{
cast = "(" + unoTmpVarName + "==NULL ? NULL : U_JNIVAR->NewLocalRef(@{global::Android.Base.Wrappers.IJWrapper:Of((@{global::Android.Base.Wrappers.IJWrapper})" + unoTmpVarName + ")._GetJavaObject():Call()}))";
}
else if (dt.IsSubclassOfOrEqual(essentials.Delegate))
{
var d = (DelegateType)dt;
cast = "@{" + ForeignJavaPass.UnoToJavaBoxingClass.FullName + ".BoxDelegate(object,global::Android.Base.Primitives.ConstCharPtr):Call((@{object})" + unoTmpVarName + ", \"" + convert.Name.JavaDelegateName(d, true) + "\")}";
}
else if (convert.Type.HasJavaEquivalent(dt))
{
cast = "@{" + ForeignJavaPass.UnoToJavaBoxingClass.FullName + ".Box(" + dt.FullName + "):Call(" + unoTmpVarName + ")}";
}
else if (dt.IsStruct)
{
cast = "@{" + ForeignJavaPass.UnoToJavaBoxingClass.FullName + ".Box(object):Call(" + helpers.BoxStruct(dt, unoTmpVarName) + ")}";
}
else
{
cast = "@{" + ForeignJavaPass.UnoToJavaBoxingClass.FullName + ".Box(object):Call(" + unoTmpVarName + ")}";
}
if (typeUsuallyFreed)
{
switch (free)
{
case JniFreeingTechnique.Default:
Free = "if (" + JniVarName + "!=NULL) { U_JNIVAR->DeleteLocalRef(" + JniVarName + "); }";
break;
case JniFreeingTechnique.WithScope:
if (dt.IsStruct) // no null check needed if is uno struct
{
cast = "U_JNIVAR->NewLocalRef((" + cast + "))";
}
else
{
cast = "(" + unoTmpVarName + "==NULL ? NULL : U_JNIVAR->NewLocalRef((" + cast + ")))";
}
Free = "";
break;
case JniFreeingTechnique.None:
Free = "";
break;
default:
throw new ArgumentOutOfRangeException(nameof(free), free, null);
}
}
CastSet = jniTmpVarName + " = " + cast + ";";
CastLet = convert.Type.UnoToJniType(dt, true) + " " + CastSet;
}
