static mrb_value mrb_js_obj_method_missing(mrb_state *mrb, mrb_value self)
{
NPP npp = MRB_UD_NPP(mrb);
mrb_value name_sym, *args;
int len;
mrb_get_args(mrb, "o*", &name_sym, &args, &len);
if (mrb_type(name_sym) != MRB_TT_SYMBOL){
return mrb_nil_value();
}
bool success = true;
NPVariant empty;
NULL_TO_NPVARIANT(empty);
std::vector< NPVariant > var_args(len, empty);
for (int i=0; i<len; i++){
if (!convert_mrb_to_js(mrb, args[i], npp, &var_args[i])){
success = false;
break;
}
}
mrb_value ret = mrb_nil_value();
if (success){
int name_len;
const char *name_char = mrb_sym2name_len(mrb, SYM2ID(name_sym), &name_len);
std::string name(name_char, name_len);
NPIdentifier name_id = NPN_GetStringIdentifier(name.c_str());
NPObject *obj = (NPObject *)DATA_PTR(self);
if (NPN_HasMethod(npp, obj, name_id)){
NPVariant result;
NPN_Invoke(npp, obj, name_id, &var_args[0], len, &result);
convert_js_to_mrb(npp, result, mrb, &ret);
}else if (NPN_HasProperty(npp, obj, name_id)){
NPVariant result;
NPN_GetProperty(npp, obj, name_id, &result);
convert_js_to_mrb(npp, result, mrb, &ret);
}else if (name.size() > 1 && name[name.size() - 1] == '=' && var_args.size() == 1){
name.resize(name.size() - 1);
name_id = NPN_GetStringIdentifier(name.c_str());
if (NPN_HasProperty(npp, obj, name_id)){
NPN_SetProperty(npp, obj, name_id, &var_args[0]);
}
}
}
for (int i=0; i<len; i++){
NPN_ReleaseVariantValue(&var_args[i]);
}
return ret;
}
std::string getInterfaceName(NPP npp, NPObject* object)
{
std::string className;
NPVariant result;
bool asConstructor = true; // true if object can be a constructor
VOID_TO_NPVARIANT(result);
NPN_Invoke(npp, object, NPN_GetStringIdentifier("toString"), 0, 0, &result);
for (;;)
{
if (NPVARIANT_IS_STRING(result))
{
className = std::string(NPVARIANT_TO_STRING(result).utf8characters,
NPVARIANT_TO_STRING(result).utf8length);
}
NPN_ReleaseVariantValue(&result);
if (className.compare(0, 9, "function ") == 0)
{
// In Chrome, a [Constructor] object is represented as a 'Function'.
className = className.substr(9);
size_t pos = className.find('(');
if (pos != std::string::npos)
{
className = className.substr(0, pos);
break;
}
return "Function";
}
if (className.compare(0, 8, "[object ", 8) == 0 && className[className.length() - 1] == ']')
{
className = className.substr(8, className.length() - 9);
break;
}
// This object is likely to have a stringifier. Check the constructor name directly.
NPVariant constructor;
VOID_TO_NPVARIANT(constructor);
if (asConstructor && NPN_GetProperty(npp, object, NPN_GetStringIdentifier("constructor"), &constructor))
{
if (NPVARIANT_IS_OBJECT(constructor) &&
NPN_Invoke(npp, NPVARIANT_TO_OBJECT(constructor), NPN_GetStringIdentifier("toString"), 0, 0, &result))
{
NPN_ReleaseVariantValue(&constructor);
asConstructor = false;
continue;
}
NPN_ReleaseVariantValue(&constructor);
}
return "Object";
}
// In Firefox, the constructor and an instance object cannot be distinguished by toString().
// Check if object has a 'prototype' to see if it is a constructor.
if (asConstructor && NPN_HasProperty(npp, object, NPN_GetStringIdentifier("prototype")))
{
className += "_Constructor";
}
return className;
}
