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-rw-r--r--src/bun.js/bindings/JSStringDecoder.cpp116
1 files changed, 104 insertions, 12 deletions
diff --git a/src/bun.js/bindings/JSStringDecoder.cpp b/src/bun.js/bindings/JSStringDecoder.cpp
index c73378fdf..96fbc3a57 100644
--- a/src/bun.js/bindings/JSStringDecoder.cpp
+++ b/src/bun.js/bindings/JSStringDecoder.cpp
@@ -21,6 +21,46 @@ static JSC_DECLARE_CUSTOM_GETTER(jsStringDecoder_lastChar);
static JSC_DECLARE_CUSTOM_GETTER(jsStringDecoder_lastNeed);
static JSC_DECLARE_CUSTOM_GETTER(jsStringDecoder_lastTotal);
+static inline EncodedJSValue jsStringDecoderCast(JSGlobalObject* globalObject, JSValue stringDecoderValue)
+{
+ if (LIKELY(jsDynamicCast<JSStringDecoder*>(stringDecoderValue)))
+ return JSValue::encode(stringDecoderValue);
+
+ auto& vm = globalObject->vm();
+ auto throwScope = DECLARE_THROW_SCOPE(vm);
+
+ if (stringDecoderValue.isEmpty() || stringDecoderValue.isUndefinedOrNull()) {
+ return JSC::JSValue::encode(jsUndefined());
+ }
+
+ if (!stringDecoderValue.isObject()) {
+ return throwThisTypeError(*globalObject, throwScope, JSStringDecoder::info()->className, "write");
+ }
+
+ JSC::JSObject* thisObject = JSC::asObject(stringDecoderValue);
+ JSStringDecoder* castedThis = nullptr;
+ auto clientData = WebCore::clientData(vm);
+ if (JSValue existingDecoderValue = thisObject->getIfPropertyExists(globalObject, clientData->builtinNames().decodePrivateName())) {
+ castedThis = jsDynamicCast<JSStringDecoder*>(existingDecoderValue);
+ }
+
+ if (!castedThis) {
+ BufferEncodingType encoding = BufferEncodingType::utf8;
+ if (JSValue encodingValue = thisObject->getIfPropertyExists(globalObject, clientData->builtinNames().encodingPrivateName())) {
+ if (encodingValue.isString()) {
+ std::optional<BufferEncodingType> opt = parseEnumeration<BufferEncodingType>(*globalObject, encodingValue);
+ if (opt.has_value()) {
+ encoding = opt.value();
+ }
+ }
+ }
+ castedThis = JSStringDecoder::create(globalObject->vm(), globalObject, reinterpret_cast<Zig::GlobalObject*>(globalObject)->JSStringDecoderStructure(), encoding);
+ thisObject->putDirect(vm, clientData->builtinNames().decodePrivateName(), castedThis, 0);
+ }
+
+ return JSValue::encode(castedThis);
+}
+
void JSStringDecoder::finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject)
{
Base::finishCreation(vm);
@@ -299,7 +339,7 @@ JSC::GCClient::IsoSubspace* JSStringDecoder::subspaceForImpl(JSC::VM& vm)
STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSStringDecoderPrototype, JSStringDecoderPrototype::Base);
-static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_writeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSStringDecoder>::ClassParameter castedThis)
+static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_writeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, JSStringDecoder* castedThis)
{
auto& vm = JSC::getVM(lexicalGlobalObject);
auto throwScope = DECLARE_THROW_SCOPE(vm);
@@ -324,7 +364,7 @@ static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_writeBody(JSC
}
RELEASE_AND_RETURN(throwScope, JSC::JSValue::encode(castedThis->write(vm, lexicalGlobalObject, reinterpret_cast<uint8_t*>(view->vector()), view->byteLength())));
}
-static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_endBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSStringDecoder>::ClassParameter castedThis)
+static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_endBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, JSStringDecoder* castedThis)
{
auto& vm = JSC::getVM(lexicalGlobalObject);
auto throwScope = DECLARE_THROW_SCOPE(vm);
@@ -340,7 +380,7 @@ static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_endBody(JSC::
}
RELEASE_AND_RETURN(throwScope, JSC::JSValue::encode(castedThis->end(vm, lexicalGlobalObject, reinterpret_cast<uint8_t*>(view->vector()), view->byteLength())));
}
-static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_textBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSStringDecoder>::ClassParameter castedThis)
+static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_textBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, JSStringDecoder* castedThis)
{
auto& vm = JSC::getVM(lexicalGlobalObject);
auto throwScope = DECLARE_THROW_SCOPE(vm);
@@ -366,24 +406,44 @@ static inline JSC::EncodedJSValue jsStringDecoderPrototypeFunction_textBody(JSC:
static JSC_DEFINE_HOST_FUNCTION(jsStringDecoderPrototypeFunction_write,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
- return IDLOperation<JSStringDecoder>::call<jsStringDecoderPrototypeFunction_writeBody>(*globalObject, *callFrame, "write");
+ JSValue stringDecoderValue = JSValue::decode(jsStringDecoderCast(globalObject, callFrame->thisValue()));
+ if (stringDecoderValue.isEmpty() || !stringDecoderValue.isCell()) {
+ return JSValue::encode(stringDecoderValue);
+ }
+ JSStringDecoder* castedThis = jsCast<JSStringDecoder*>(stringDecoderValue);
+ return jsStringDecoderPrototypeFunction_writeBody(globalObject, callFrame, castedThis);
}
static JSC_DEFINE_HOST_FUNCTION(jsStringDecoderPrototypeFunction_end,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
- return IDLOperation<JSStringDecoder>::call<jsStringDecoderPrototypeFunction_endBody>(*globalObject, *callFrame, "end");
+ JSValue stringDecoderValue = JSValue::decode(jsStringDecoderCast(globalObject, callFrame->thisValue()));
+ if (stringDecoderValue.isEmpty() || !stringDecoderValue.isCell()) {
+ return JSValue::encode(stringDecoderValue);
+ }
+ JSStringDecoder* castedThis = jsCast<JSStringDecoder*>(stringDecoderValue);
+ return jsStringDecoderPrototypeFunction_endBody(globalObject, callFrame, castedThis);
}
static JSC_DEFINE_HOST_FUNCTION(jsStringDecoderPrototypeFunction_text,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
- return IDLOperation<JSStringDecoder>::call<jsStringDecoderPrototypeFunction_textBody>(*globalObject, *callFrame, "text");
+ JSValue stringDecoderValue = JSValue::decode(jsStringDecoderCast(globalObject, callFrame->thisValue()));
+ if (stringDecoderValue.isEmpty() || !stringDecoderValue.isCell()) {
+ return JSValue::encode(stringDecoderValue);
+ }
+ JSStringDecoder* castedThis = jsCast<JSStringDecoder*>(stringDecoderValue);
+
+ return jsStringDecoderPrototypeFunction_textBody(globalObject, callFrame, castedThis);
}
static JSC_DEFINE_CUSTOM_GETTER(jsStringDecoder_lastChar, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
{
auto& vm = JSC::getVM(lexicalGlobalObject);
+ JSValue stringDecoderValue = JSValue::decode(jsStringDecoderCast(lexicalGlobalObject, JSValue::decode(thisValue)));
+ if (stringDecoderValue.isEmpty() || !stringDecoderValue.isCell()) {
+ return JSValue::encode(stringDecoderValue);
+ }
+ JSStringDecoder* thisObject = jsCast<JSStringDecoder*>(stringDecoderValue);
auto throwScope = DECLARE_THROW_SCOPE(vm);
- JSStringDecoder* thisObject = jsCast<JSStringDecoder*>(JSValue::decode(thisValue));
auto buffer = ArrayBuffer::createFromBytes(thisObject->m_lastChar, 4, nullptr);
auto* globalObject = reinterpret_cast<Zig::GlobalObject*>(lexicalGlobalObject);
JSC::JSUint8Array* uint8Array = JSC::JSUint8Array::create(lexicalGlobalObject, globalObject->JSBufferSubclassStructure(), WTFMove(buffer), 0, 4);
@@ -392,15 +452,23 @@ static JSC_DEFINE_CUSTOM_GETTER(jsStringDecoder_lastChar, (JSGlobalObject * lexi
static JSC_DEFINE_CUSTOM_GETTER(jsStringDecoder_lastNeed, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
{
auto& vm = JSC::getVM(lexicalGlobalObject);
+ JSValue stringDecoderValue = JSValue::decode(jsStringDecoderCast(lexicalGlobalObject, JSValue::decode(thisValue)));
+ if (stringDecoderValue.isEmpty() || !stringDecoderValue.isCell()) {
+ return JSValue::encode(stringDecoderValue);
+ }
+ JSStringDecoder* thisObject = jsCast<JSStringDecoder*>(stringDecoderValue);
auto throwScope = DECLARE_THROW_SCOPE(vm);
- JSStringDecoder* thisObject = jsCast<JSStringDecoder*>(JSValue::decode(thisValue));
RELEASE_AND_RETURN(throwScope, JSC::JSValue::encode(JSC::jsNumber(thisObject->m_lastNeed)));
}
static JSC_DEFINE_CUSTOM_GETTER(jsStringDecoder_lastTotal, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
{
auto& vm = JSC::getVM(lexicalGlobalObject);
+ JSValue stringDecoderValue = JSValue::decode(jsStringDecoderCast(lexicalGlobalObject, JSValue::decode(thisValue)));
+ if (stringDecoderValue.isEmpty() || !stringDecoderValue.isCell()) {
+ return JSValue::encode(stringDecoderValue);
+ }
+ JSStringDecoder* thisObject = jsCast<JSStringDecoder*>(stringDecoderValue);
auto throwScope = DECLARE_THROW_SCOPE(vm);
- JSStringDecoder* thisObject = jsCast<JSStringDecoder*>(JSValue::decode(thisValue));
RELEASE_AND_RETURN(throwScope, JSC::JSValue::encode(JSC::jsNumber(thisObject->m_lastTotal)));
}
@@ -452,13 +520,37 @@ JSC::EncodedJSValue JSStringDecoderConstructor::construct(JSC::JSGlobalObject* l
}
}
}
- JSStringDecoder* stringDecoder = JSStringDecoder::create(
- vm, lexicalGlobalObject, reinterpret_cast<Zig::GlobalObject*>(lexicalGlobalObject)->JSStringDecoderStructure(), encoding);
- return JSC::JSValue::encode(stringDecoder);
+ JSValue thisValue = callFrame->newTarget();
+ auto* globalObject = JSC::jsCast<Zig::GlobalObject*>(lexicalGlobalObject);
+ JSObject* newTarget = asObject(thisValue);
+ auto* constructor = globalObject->JSStringDecoder();
+ Structure* structure = globalObject->JSStringDecoderStructure();
+
+ JSStringDecoder* jsObject = JSStringDecoder::create(
+ vm, lexicalGlobalObject, structure, encoding);
+
+ // StringDecodeer is a Weird one
+ // This is a hack to make express' body-parser work
+ // It does something weird with the prototype
+ // Not exactly a subclass
+ if (constructor != newTarget && callFrame->thisValue().isObject()) {
+ auto clientData = WebCore::clientData(vm);
+ JSObject* thisObject = asObject(callFrame->thisValue());
+
+ thisObject->putDirect(vm, clientData->builtinNames().decodePrivateName(), jsObject, JSC::PropertyAttribute::DontEnum | 0);
+ return JSC::JSValue::encode(thisObject);
+ }
+
+ return JSC::JSValue::encode(jsObject);
}
void JSStringDecoderConstructor::initializeProperties(VM& vm, JSC::JSGlobalObject* globalObject, JSStringDecoderPrototype* prototype)
{
+ putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
+ JSString* nameString = jsNontrivialString(vm, "StringDecoder"_s);
+ m_originalName.set(vm, this, nameString);
+ putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
+ putDirect(vm, vm.propertyNames->prototype, prototype, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
}
const ClassInfo JSStringDecoderConstructor::s_info = { "StringDecoder"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSStringDecoderConstructor) };
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-30 03:49:25 +0000