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;
}
public JniValueCast CastUnoToJni(DataType dt, JniFreeingTechnique free, string jniTmpVarName, string unoTmpVarName = null)
{
return(new JniValueCast(dt, free, jniTmpVarName, unoTmpVarName ?? "_tmp_" + (_uniqueVarNum += 1),
_convert, _essentials, _helpers));
}
