Handle<Value> AddOne(const Arguments& args) {
do_check_eq(args.Length(), 1);
Local<Value> v = args[0];
do_check_true(v->IsNumber());
Local<Number> n = v->ToNumber();
return Number::New(n->Value() + 1.0);
}
void
test_BasicCall()
{
HandleScope handle_scope;
Handle<ObjectTemplate> templ = ObjectTemplate::New();
Handle<FunctionTemplate> fnT = v8::FunctionTemplate::New(AddOne);
templ->Set("AddOne", fnT);
Persistent<Context> context = Context::New(NULL, templ);
Context::Scope context_scope(context);
Local<Value> addone = context->Global()->Get(String::New("AddOne"));
do_check_true(!addone.IsEmpty());
do_check_true(!addone->IsUndefined());
do_check_true(addone->IsObject());
do_check_true(addone->IsFunction());
Local<Function> fn = addone.As<Function>();
do_check_eq(fn, fnT->GetFunction());
Local<Number> n = Number::New(0.5);
Handle<Value> args[] = { n };
Local<Value> v = fn->Call(context->Global(), 1, args);
do_check_true(!v.IsEmpty());
do_check_true(v->IsNumber());
Local<Number> n2 = v->ToNumber();
do_check_eq(n2->Value(), 1.5);
context.Dispose();
}
void vectorTemplate::setVectorY(Local<String> property, Local<Value> value, const AccessorInfo &info){
Local<External> data = Local<External>::Cast(info.Data());
vector<double> *vect = reinterpret_cast<vector<double> *>(data->Value());
if(value->IsNumber()){
vect->y = value->ToNumber()->Value();
}
}
bool JSWrapper::execute( const char *scr, JSWrapperData *data, const char *fileName )
{
HandleScope handle_scope( m_isolate );
Local<String> source = String::NewFromUtf8( m_isolate, scr, NewStringType::kNormal ).ToLocalChecked();
ScriptOrigin origin( v8::String::NewFromUtf8( m_isolate, fileName ? fileName : "Unknown" ) );
MaybeLocal<Script> maybeScript = Script::Compile( m_context, source, &origin );
bool success=false;
if ( !maybeScript.IsEmpty() )
{
Local<Script> script = maybeScript.ToLocalChecked();
MaybeLocal<Value> maybeResult = script->Run(m_context);
if ( !maybeResult.IsEmpty() )
{
Local<Value> result = maybeResult.ToLocalChecked();
if ( data )
{
if ( result->IsNumber() )
data->setNumber( result->ToNumber()->Value() );
else
if ( result->IsString() )
{
String::Utf8Value utf8( result );
data->setString( *utf8 );
} else
if ( result->IsBoolean() )
data->setBoolean( result->ToBoolean()->Value() );
else
if ( result->IsObject() )
data->setObject( new JSWrapperObject( m_isolate, result->ToObject() ) );
else
if ( result->IsNull() )
data->setNull();
else data->setUndefined();
}
success=true;
}
}
return success;
}
static Local<Value> convertType(TiAppPropertiesObject::PropertyType type, Local<Value> value) {
switch (type) {
case TiAppPropertiesObject::BoolProperty:
return value->ToBoolean();
case TiAppPropertiesObject::DoubleProperty:
case TiAppPropertiesObject::IntProperty:
return value->ToNumber();
case TiAppPropertiesObject::ObjectProperty:
return value->ToObject();
case TiAppPropertiesObject::ListProperty:
return value;
case TiAppPropertiesObject::StringProperty:
return value->ToString();
default:
return Local<Value>();
}
}
void ExecuteBaton::GetVectorParam(ExecuteBaton* baton, arrayParam_t* arrParam, Local<Array> arr) {
// In case the array is empty just initialize the fields as we would need something in Connection::SetValuesOnStatement
if (arr->Length() < 1) {
arrParam->value = new int[0];
arrParam->collectionLength = 0;
arrParam->elementsSize = 0;
arrParam->elementLength = new ub2[0];
arrParam->elementsType = oracle::occi::OCCIINT;
return;
}
// Next we create the array buffer that will be used later as the value for the param (in Connection::SetValuesOnStatement)
// The array type will be derived from the type of the first element.
Local<Value> val = arr->Get(0);
// String array
if (val->IsString()) {
arrParam->elementsType = oracle::occi::OCCI_SQLT_STR;
// Find the longest string, this is necessary in order to create a buffer later.
int longestString = 0;
for(unsigned int i = 0; i < arr->Length(); i++) {
Local<Value> currVal = arr->Get(i);
if (currVal->ToString()->Utf8Length() > longestString)
longestString = currVal->ToString()->Utf8Length();
}
// Add 1 for '\0'
++longestString;
// Create a long char* that will hold the entire array, it is important to create a FIXED SIZE array,
// meaning all strings have the same allocated length.
char* strArr = new char[arr->Length() * longestString];
arrParam->elementLength = new ub2[arr->Length()];
// loop thru the arr and copy the strings into the strArr
int bytesWritten = 0;
for(unsigned int i = 0; i < arr->Length(); i++) {
Local<Value> currVal = arr->Get(i);
if(!currVal->IsString()) {
std::ostringstream message;
message << "Input array has object with invalid type at index " << i << ", all object must be of type 'string' which is the type of the first element";
baton->error = new std::string(message.str());
return;
}
String::Utf8Value utfStr(currVal);
// Copy this string onto the strArr (we put \0 in the beginning as this is what strcat expects).
strArr[bytesWritten] = '\0';
strncat(strArr + bytesWritten, *utfStr, longestString);
bytesWritten += longestString;
// Set the length of this element, add +1 for the '\0'
arrParam->elementLength[i] = utfStr.length() + 1;
}
arrParam->value = strArr;
arrParam->collectionLength = arr->Length();
arrParam->elementsSize = longestString;
}
// Integer array.
else if (val->IsNumber()) {
arrParam->elementsType = oracle::occi::OCCI_SQLT_NUM;
// Allocate memory for the numbers array, Number in Oracle is 21 bytes
unsigned char* numArr = new unsigned char[arr->Length() * 21];
arrParam->elementLength = new ub2[arr->Length()];
for(unsigned int i = 0; i < arr->Length(); i++) {
Local<Value> currVal = arr->Get(i);
if(!currVal->IsNumber()) {
std::ostringstream message;
message << "Input array has object with invalid type at index " << i << ", all object must be of type 'number' which is the type of the first element";
baton->error = new std::string(message.str());
return;
}
// JS numbers can exceed oracle numbers, make sure this is not the case.
double d = currVal->ToNumber()->Value();
if (d > 9.99999999999999999999999999999999999999*std::pow(double(10), double(125)) || d < -9.99999999999999999999999999999999999999*std::pow(double(10), double(125))) {
std::ostringstream message;
message << "Input array has number that is out of the range of Oracle numbers, check the number at index " << i;
baton->error = new std::string(message.str());
return;
}
// Convert the JS number into Oracle Number and get its bytes representation
oracle::occi::Number n = d;
oracle::occi::Bytes b = n.toBytes();
arrParam->elementLength[i] = b.length ();
b.getBytes(&numArr[i*21], b.length());
}
arrParam->value = numArr;
arrParam->collectionLength = arr->Length();
arrParam->elementsSize = 21;
}
// Unsupported type
else {
baton->error = new std::string("The type of the first element in the input array is not supported");
}
}
