v8::Handle<v8::Value> V8DataView::setUint8Callback(const v8::Arguments& args)
{
if (args.Length() < 2)
return throwNotEnoughArgumentsError(args.GetIsolate());
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
V8TRYCATCH(unsigned, byteOffset, toUInt32(args[0]));
V8TRYCATCH(int, value, toInt32(args[1]));
imp->setUint8(byteOffset, static_cast<uint8_t>(value), ec);
if (UNLIKELY(ec))
return setDOMException(ec, args.GetIsolate());
return v8Undefined();
}
Var DataView::EntryGetterByteOffset(RecyclableObject* function, CallInfo callInfo, ...)
{
PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
ARGUMENTS(args, callInfo);
ScriptContext* scriptContext = function->GetScriptContext();
Assert(!(callInfo.Flags & CallFlags_New));
if (args.Info.Count == 0 || !DataView::Is(args[0]))
{
JavascriptError::ThrowTypeError(scriptContext, JSERR_This_NeedDataView);
}
DataView* dataView = DataView::FromVar(args[0]);
ArrayBuffer* arrayBuffer = dataView->GetArrayBuffer();
if (arrayBuffer == nullptr)
{
JavascriptError::ThrowTypeError(scriptContext, JSERR_NeedArrayBufferObject);
}
else if (arrayBuffer->IsDetached())
{
return TaggedInt::ToVarUnchecked(0);
}
return JavascriptNumber::ToVar(dataView->GetByteOffset(), scriptContext);
}
static v8::Handle<v8::Value> getInt32Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.getInt32");
if (args.Length() < 1)
return throwError("Not enough arguments", V8Proxy::TypeError);
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
{
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(MAYBE_MISSING_PARAMETER(args, 0, MissingIsUndefined)));
if (args.Length() <= 1) {
int result = imp->getInt32(byteOffset, ec);
if (UNLIKELY(ec))
goto fail;
return v8::Integer::New(result);
}
EXCEPTION_BLOCK(bool, littleEndian, MAYBE_MISSING_PARAMETER(args, 1, MissingIsUndefined)->BooleanValue());
int result = imp->getInt32(byteOffset, littleEndian, ec);
if (UNLIKELY(ec))
goto fail;
return v8::Integer::New(result);
}
fail:
V8Proxy::setDOMException(ec);
return v8::Handle<v8::Value>();
}
static v8::Handle<v8::Value> setFloat64Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.setFloat64");
if (args.Length() < 2)
return throwError("Not enough arguments", V8Proxy::TypeError);
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
{
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(MAYBE_MISSING_PARAMETER(args, 0, MissingIsUndefined)));
EXCEPTION_BLOCK(double, value, static_cast<double>(MAYBE_MISSING_PARAMETER(args, 1, MissingIsUndefined)->NumberValue()));
if (args.Length() <= 2) {
imp->setFloat64(byteOffset, value, ec);
if (UNLIKELY(ec))
goto fail;
return v8::Handle<v8::Value>();
}
EXCEPTION_BLOCK(bool, littleEndian, MAYBE_MISSING_PARAMETER(args, 2, MissingIsUndefined)->BooleanValue());
imp->setFloat64(byteOffset, value, littleEndian, ec);
if (UNLIKELY(ec))
goto fail;
return v8::Handle<v8::Value>();
}
fail:
V8Proxy::setDOMException(ec);
return v8::Handle<v8::Value>();
}
EncodedJSValue JSC_HOST_CALL jsDataViewPrototypeFunctionSetFloat64(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSDataView::s_info))
return throwVMTypeError(exec);
JSDataView* castedThis = static_cast<JSDataView*>(asObject(thisValue));
ASSERT_GC_OBJECT_INHERITS(castedThis, &JSDataView::s_info);
DataView* imp = static_cast<DataView*>(castedThis->impl());
if (exec->argumentCount() < 2)
return throwVMError(exec, createSyntaxError(exec, "Not enough arguments"));
ExceptionCode ec = 0;
unsigned byteOffset(exec->argument(0).toUInt32(exec));
if (exec->hadException())
return JSValue::encode(jsUndefined());
double value(exec->argument(1).toNumber(exec));
if (exec->hadException())
return JSValue::encode(jsUndefined());
int argsCount = exec->argumentCount();
if (argsCount <= 2) {
imp->setFloat64(byteOffset, value, ec);
setDOMException(exec, ec);
return JSValue::encode(jsUndefined());
}
bool littleEndian(exec->argument(2).toBoolean(exec));
if (exec->hadException())
return JSValue::encode(jsUndefined());
imp->setFloat64(byteOffset, value, littleEndian, ec);
setDOMException(exec, ec);
return JSValue::encode(jsUndefined());
}
v8::Handle<v8::Value> V8DataView::getUint8Callback(const v8::Arguments& args)
{
if (args.Length() < 1)
return throwNotEnoughArgumentsError(args.GetIsolate());
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
V8TRYCATCH(unsigned, byteOffset, toUInt32(args[0]));
uint8_t result = imp->getUint8(byteOffset, ec);
if (UNLIKELY(ec))
return setDOMException(ec, args.GetIsolate());
return v8Integer(result, args.GetIsolate());
}
v8::Handle<v8::Value> V8DataView::setInt8Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.setInt8");
if (args.Length() < 2)
return throwError("Not enough arguments", V8Proxy::SyntaxError);
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(args[0]));
EXCEPTION_BLOCK(int, value, toInt32(args[1]));
imp->setInt8(byteOffset, static_cast<int8_t>(value), ec);
if (UNLIKELY(ec))
V8Proxy::setDOMException(ec);
return v8::Handle<v8::Value>();
}
v8::Handle<v8::Value> V8DataView::getUint8Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.getUint8");
if (args.Length() < 1)
return throwError("Not enough arguments", V8Proxy::SyntaxError);
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(args[0]));
uint8_t result = imp->getUint8(byteOffset, ec);
if (UNLIKELY(ec)) {
V8Proxy::setDOMException(ec);
return v8::Handle<v8::Value>();
}
return v8::Integer::New(result);
}
void BaseTestDataAccess::testDataView() {
NDSize zcount = {2, 5, 2};
NDSize zoffset = {0, 5, 2};
DataView io = DataView(data_array, zcount, zoffset);
CPPUNIT_ASSERT_EQUAL(zcount, io.dataExtent());
CPPUNIT_ASSERT_EQUAL(data_array.dataType(), io.dataType());
typedef boost::multi_array<double, 3> array_type;
array_type data(boost::extents[2][5][2]);
io.getData(data);
const array_type::size_type *ext = data.shape();
for (size_t i = 0; i < 3; i++) {
CPPUNIT_ASSERT_EQUAL(static_cast<array_type::size_type >(zcount[i]), ext[i]);
}
array_type ref;
data_array.getData(ref);
for(size_t i = 0; i < zcount[0]; ++i) {
for(size_t j = 0; j < zcount[1]; ++j) {
for(size_t k = 0; k < zcount[2]; ++k) {
CPPUNIT_ASSERT_DOUBLES_EQUAL(ref[i + 0][j + 5][k + 2],
data[i][j][k],
std::numeric_limits<double>::epsilon());
data[i][j][k] = 0.0;
}
}
}
io.setData(data, {0, 0, 0});
data_array.getData(ref);
for(size_t i = 0; i < zcount[0]; ++i) {
for(size_t j = 0; j < zcount[1]; ++j) {
for(size_t k = 0; k < zcount[2]; ++k) {
CPPUNIT_ASSERT_DOUBLES_EQUAL(ref[i + 0][j + 5][k + 2],
0.0,
std::numeric_limits<double>::epsilon());
}
}
}
double val = 0.0;
CPPUNIT_ASSERT_THROW(io.getData(val, {}, {0, 0, 3}), OutOfBounds);
array_type r2d2(boost::extents[3][3][3]);
CPPUNIT_ASSERT_THROW(io.getData(r2d2, {3, 3, 3}, {}), OutOfBounds);
CPPUNIT_ASSERT_THROW(io.dataExtent(zcount), std::runtime_error);
}
