void printV8Value(Handle<Value> value, bool force=false)
{
Logging::Level level = force ? Logging::ERROR : Logging::INFO;
if (!Logging::shouldShow(level)) return;
HandleScope handleScope;
if (value.IsEmpty())
Logging::log(level, "Empty handle\r\n");
else if (value->IsInt32())
Logging::log(level, "INT: %d\r\n", value->IntegerValue());
else if (value->IsNull())
Logging::log(level, "NULL (null)\r\n");
else if (value->IsUndefined())
Logging::log(level, "VOID (undefined)\r\n");
else if (value->IsBoolean())
Logging::log(level, "BOOLEAN: %d\r\n", value->BooleanValue());
else if (value->IsNumber())
Logging::log(level, "NUMBER: %f\r\n", value->NumberValue());
else if (value->IsString())
Logging::log(level, "STRING: ?\r\n");
else if (value->IsObject())
Logging::log(level, "OBJECT (object)\r\n");
else
Logging::log(level, "Uncertain V8 value\n");
}
int V8Scope::type( const char *field ){
V8_SIMPLE_HEADER
Handle<Value> v = get( field );
if ( v->IsNull() )
return jstNULL;
if ( v->IsUndefined() )
return Undefined;
if ( v->IsString() )
return String;
if ( v->IsFunction() )
return Code;
if ( v->IsArray() )
return Array;
if ( v->IsBoolean() )
return Bool;
if ( v->IsInt32() )
return NumberInt;
if ( v->IsNumber() )
return NumberDouble;
if ( v->IsExternal() ){
uassert( 10230 , "can't handle external yet" , 0 );
return -1;
}
if ( v->IsDate() )
return Date;
if ( v->IsObject() )
return Object;
throw UserException( 12509, (string)"don't know what this is: " + field );
}
int Conv::GetNaturalType(Handle<Value> val) {
if(val.IsEmpty()) return TYPE_INVALID;
if(val->IsUndefined()) return TYPE_UNDEFINED;
if(val->IsNull()) return TYPE_NULL;
if(val->IsBoolean() || val->IsBooleanObject()) return TYPE_BOOL;
if(val->IsInt32()) return TYPE_INT;
if(val->IsUint32()) return TYPE_LONG;
if(val->IsNumber() || val->IsNumberObject()) return TYPE_DOUBLE;
if(val->IsString() || val->IsStringObject()) return TYPE_STRING;
return GetNaturalType(Handle<Object>::Cast(val));
}
Susi::Util::Any Susi::JS::Engine::convertFromJS(Handle<Value> jsVal){
if(jsVal->IsArray()){
Susi::Util::Any::Array result;
auto obj = jsVal->ToObject();
const Local<Array> props = obj->GetPropertyNames();
const uint32_t length = props->Length();
for (uint32_t i=0 ; i<length ; ++i){
const Local<Value> key = props->Get(i);
const Local<Value> value = obj->Get(key);
result.push_back(Susi::JS::Engine::convertFromJS(value));
}
return result;
}
if(jsVal->IsObject()){
Susi::Util::Any result = Susi::Util::Any::Object{};
auto obj = jsVal->ToObject();
const Local<Array> props = obj->GetPropertyNames();
const uint32_t length = props->Length();
for (uint32_t i=0 ; i<length ; ++i){
const Local<Value> key = props->Get(i);
const Local<Value> value = obj->Get(key);
String::Utf8Value keyStr(key);
result[std::string(*keyStr)] = Susi::JS::Engine::convertFromJS(value);
}
return result;
}
if(jsVal->IsString()){
String::Utf8Value val(jsVal);
Susi::Util::Any result{std::string(*val)};
return result;
}
if(jsVal->IsNumber()){
Susi::Util::Any result{jsVal->ToNumber()->Value()};
return result;
}
if(jsVal->IsBoolean()){
Susi::Util::Any result{jsVal->ToBoolean()->Value()};
return result;
}
if(jsVal->IsNativeError()){
String::Utf8Value val(jsVal);
Susi::Util::Any result{std::string(*val)};
return result;
}
if(jsVal->IsUndefined()){
Susi::Util::Any result;
return result;
}
return Susi::Util::Any{"type not known"};
}
void v8_to_gvalue(Handle<Value> v, GValue *gv, GParamSpec *spec) {
if(v->IsNumber()) {
g_value_init(gv, G_TYPE_FLOAT);
g_value_set_float(gv, v->NumberValue());
} else if(v->IsString()) {
String::Utf8Value value(v->ToString());
if(spec->value_type == GST_TYPE_CAPS) {
GstCaps* caps = gst_caps_from_string(*value);
g_value_init(gv, GST_TYPE_CAPS);
g_value_set_boxed(gv, caps);
} else {
g_value_init(gv, G_TYPE_STRING);
g_value_set_string(gv, *value);
}
} else if(v->IsBoolean()) {
g_value_init(gv, G_TYPE_BOOLEAN);
g_value_set_boolean(gv, v->BooleanValue());
}
return;
}
VALUE rr_v82rb(Handle<Value> value) {
if (value.IsEmpty()) {
return rr_v8_value_empty();
}
if (value->IsUndefined() || value->IsNull()) {
return Qnil;
}
if (value->IsExternal()) {
return rr_reflect_v8_external(value);
}
if (value->IsUint32()) {
return UINT2NUM(value->Uint32Value());
}
if (value->IsInt32()) {
return INT2FIX(value->Int32Value());
}
if (value->IsBoolean()) {
return value->BooleanValue() ? Qtrue : Qfalse;
}
if (value->IsNumber()) {
return rb_float_new(value->NumberValue());
}
if (value->IsString()) {
return rr_reflect_v8_string(value);
}
if (value->IsFunction()) {
return rr_reflect_v8_function(value);
}
if (value->IsArray()) {
return rr_reflect_v8_array(value);
}
if (value->IsDate()) {
return rr_reflect_v8_date(value);
}
if (value->IsObject()) {
return rr_reflect_v8_object(value);
}
return rr_wrap_v8_value(value);
}
jsvalue JsEngine::AnyFromV8(Handle<Value> value, Handle<Object> thisArg)
{
jsvalue v;
// Initialize to a generic error.
v.type = JSVALUE_TYPE_UNKNOWN_ERROR;
v.length = 0;
v.value.str = 0;
if (value->IsNull() || value->IsUndefined()) {
v.type = JSVALUE_TYPE_NULL;
}
else if (value->IsBoolean()) {
v.type = JSVALUE_TYPE_BOOLEAN;
v.value.i32 = value->BooleanValue() ? 1 : 0;
}
else if (value->IsInt32()) {
v.type = JSVALUE_TYPE_INTEGER;
v.value.i32 = value->Int32Value();
}
else if (value->IsUint32()) {
v.type = JSVALUE_TYPE_INDEX;
v.value.i64 = value->Uint32Value();
}
else if (value->IsNumber()) {
v.type = JSVALUE_TYPE_NUMBER;
v.value.num = value->NumberValue();
}
else if (value->IsString()) {
v = StringFromV8(value);
}
else if (value->IsDate()) {
v.type = JSVALUE_TYPE_DATE;
v.value.num = value->NumberValue();
}
else if (value->IsArray()) {
Handle<Array> object = Handle<Array>::Cast(value->ToObject());
v.length = object->Length();
jsvalue* array = new jsvalue[v.length];
if (array != NULL) {
for(int i = 0; i < v.length; i++) {
array[i] = AnyFromV8(object->Get(i));
}
v.type = JSVALUE_TYPE_ARRAY;
v.value.arr = array;
}
}
else if (value->IsFunction()) {
Handle<Function> function = Handle<Function>::Cast(value);
jsvalue* array = new jsvalue[2];
if (array != NULL) {
array[0].value.ptr = new Persistent<Object>(Persistent<Function>::New(function));
array[0].length = 0;
array[0].type = JSVALUE_TYPE_WRAPPED;
if (!thisArg.IsEmpty()) {
array[1].value.ptr = new Persistent<Object>(Persistent<Object>::New(thisArg));
array[1].length = 0;
array[1].type = JSVALUE_TYPE_WRAPPED;
} else {
array[1].value.ptr = NULL;
array[1].length = 0;
array[1].type = JSVALUE_TYPE_NULL;
}
v.type = JSVALUE_TYPE_FUNCTION;
v.value.arr = array;
}
}
else if (value->IsObject()) {
Handle<Object> obj = Handle<Object>::Cast(value);
if (obj->InternalFieldCount() == 1)
v = ManagedFromV8(obj);
else
v = WrappedFromV8(obj);
}
return v;
}
extern "C" bool isBoolean(Handle<Value> b) {
return b->IsBoolean();
}
