static result_type from_v8(v8::Isolate* isolate, v8::Handle<v8::Value> value)
{
v8::HandleScope scope(isolate);
result_type result;
if (value->IsArray())
{
v8::Local<v8::Array> arr = value.As<v8::Array>();
v8::Local<v8::Value> x = arr->Get(0), y = arr->Get(1);
if (arr->Length() != 2 || !x->IsNumber() || !y->IsNumber())
{
throw std::invalid_argument("expected [x, y] array");
}
result.x = v8pp::from_v8<T>(isolate, x);
result.y = v8pp::from_v8<T>(isolate, y);
}
else if (value->IsObject())
{
v8::Local<v8::Object> obj = value.As<v8::Object>();
if (!get_option(isolate, obj, "x", result.x) || !get_option(isolate, obj, "y", result.y))
{
throw std::invalid_argument("expected {x, y} object");
}
}
else
{
throw std::invalid_argument("expected [x, y] array or {x, y} object");
}
return result;
}
//Twin
void PointJsFromC(v8::Handle<Value> value,cs::Twin* r){
HandleScope store;
if(!value->IsObject()) return;
Local<Object> vObj = value->ToObject();
vObj->Set(String::New("x"),Int32::New(r->x));
vObj->Set(String::New("y"),Int32::New(r->y));
}
QJsonObject QV8JsonWrapper::toJsonObject(v8::Handle<v8::Value> value,
V8ObjectSet &visitedObjects)
{
QJsonObject result;
if (!value->IsObject() || value->IsArray() || value->IsFunction())
return result;
v8::Handle<v8::Object> v8object(value.As<v8::Object>());
if (visitedObjects.contains(v8object)) {
// Avoid recursion.
// For compatibility with QVariant{List,Map} conversion, we return an
// empty object (and no error is thrown).
return result;
}
visitedObjects.insert(v8object);
v8::Local<v8::Array> propertyNames = m_engine->getOwnPropertyNames(v8object);
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; ++i) {
v8::Local<v8::Value> name = propertyNames->Get(i);
v8::Local<v8::Value> propertyValue = v8object->Get(name);
if (!propertyValue->IsFunction())
result.insert(QJSConverter::toString(name->ToString()),
toJsonValue(propertyValue, visitedObjects));
}
visitedObjects.remove(v8object);
return result;
}
static result_type from_v8(v8::Isolate* isolate, v8::Handle<v8::Value> value)
{
v8::HandleScope scope(isolate);
result_type result;
if (value->IsArray())
{
v8::Local<v8::Array> arr = value.As<v8::Array>();
v8::Local<v8::Value> width = arr->Get(0), height = arr->Get(1);
if (arr->Length() != 2 || !width->IsNumber() || !height->IsNumber())
{
throw std::invalid_argument("expected [width, height] array");
}
result.width = v8pp::from_v8<T>(isolate, width);
result.height = v8pp::from_v8<T>(isolate, height);
}
else if (value->IsObject())
{
v8::Local<v8::Object> obj = value.As<v8::Object>();
if (!get_option(isolate, obj, "width", result.width) || !get_option(isolate, obj, "height", result.height))
{
throw std::invalid_argument("expected {width, height} object");
}
}
else
{
throw std::invalid_argument("expected [width, height] array or {width, height} object");
}
return result;
}
// XPath-related utilities
RefPtr<XPathNSResolver> V8DOMWrapper::getXPathNSResolver(v8::Handle<v8::Value> value, V8Proxy* proxy)
{
RefPtr<XPathNSResolver> resolver;
if (V8XPathNSResolver::HasInstance(value))
resolver = V8XPathNSResolver::toNative(v8::Handle<v8::Object>::Cast(value));
else if (value->IsObject())
resolver = V8CustomXPathNSResolver::create(value->ToObject());
return resolver;
}
static bool get(v8::Handle<v8::Value>& object, const String& keyPathElement, v8::Handle<v8::Value>& result, v8::Isolate* isolate)
{
if (object->IsString() && keyPathElement == "length") {
int32_t length = v8::Handle<v8::String>::Cast(object)->Length();
result = v8::Number::New(isolate, length);
return true;
}
return object->IsObject() && getValueFrom(v8String(isolate, keyPathElement), result);
}
//*,{
// "type":"function",
// "name":"log([text],[color])",
// "text":"把文本输出到日志窗口。",
// "param":[
// {
// "type":"string",
// "name":"[text]",
// "text":"要输出的文本，如果此参数缺省，输出一个空行。"
// },
// {
// "type":"integer",
// "name":"[color]",
// "text":"文本的颜色，缺省是白色。"
// }
// ],
// "return":{
// "type":"void",
// "text":"函数没有返回值。"
// },
// "remark":[
// "输出窗口是一个用于显示日志消息的窗口，不能响应用户的输入，但是可以控制字体大小、字体颜色、背景颜色。日志窗口有自己的消息循环，与主城市是否是窗口程序无关。"
// ],
// "member":[
//{
// "type":"function",
// "name":"show([exit])",
// "text":"显示日志窗口。",
// "param":[
// {
// "type":"boolean",
// "name":"exit",
// "text":"当用户关闭日志窗口时，是否退出程序，缺省是 true。"
// }
// ],
// "return":{
// "type":"void",
// "text":"没有返回值。"
// }
//}
//,{
// "type":"function",
// "name":"close()",
// "text":"隐藏日志窗口，但是日志不会被清空。",
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
//}
//,{
// "type":"function",
// "name":"setMaxLine([count])",
// "text":"设置日志窗口最大的文本行数，如果日志达到这个行数，前面的日志会被舍弃。",
// "param":[
// {
// "type":"integer",
// "name":"[count]",
// "text":"可能的最大行数，缺省是 1000"
// }
// ],
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
//}
//,{
// "type":"function",
// "name":"setFontSize(size)",
// "text":"设置输出文本的字体大小，这个设置是会影响所有文本。",
// "param":[
// {
// "type":"integer",
// "name":"size",
// "text":"字体的尺寸，缺省是 16."
// }
// ],
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
//},
//{
// "type":"function",
// "name":"setBkColor(color)",
// "text":"设置输出窗口的背景色，缺省是黑色。",
// "param":[
// {
// "type":"integer",
// "name":"color",
// "text":"颜色值。"
// }
// ],
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
//},
//{
// "type":"function",
// "name":"clear()",
// "text":"清空所有日志。",
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
//}
//],"source":"D:\\SoftProject\\GitLib\\jsuser\\example\\logwnd.jsuser"}//*
void RectJsFromC(v8::Handle<Value> value,cs::Rect* r){
HandleScope store;
if(!value->IsObject()) return;
Local<Object> vObj = value->ToObject();
vObj->Set(String::New("left"),Int32::New(r->left));
vObj->Set(String::New("top"),Int32::New(r->top));
vObj->Set(String::New("right"),Int32::New(r->right));
vObj->Set(String::New("bottom"),Int32::New(r->bottom));
}
PassRefPtr<XPathNSResolver> toXPathNSResolver(v8::Handle<v8::Value> value)
{
RefPtr<XPathNSResolver> resolver;
if (V8XPathNSResolver::HasInstance(value))
resolver = V8XPathNSResolver::toNative(v8::Handle<v8::Object>::Cast(value));
else if (value->IsObject())
resolver = V8CustomXPathNSResolver::create(value->ToObject());
return resolver;
}
v8::Handle<v8::Object> V8PerIsolateData::findInstanceInPrototypeChain(const WrapperTypeInfo* info, v8::Handle<v8::Value> value, DOMTemplateMap& domTemplateMap)
{
if (value.IsEmpty() || !value->IsObject())
return v8::Handle<v8::Object>();
DOMTemplateMap::iterator result = domTemplateMap.find(info);
if (result == domTemplateMap.end())
return v8::Handle<v8::Object>();
v8::Handle<v8::FunctionTemplate> templ = result->value.Get(m_isolate);
return v8::Handle<v8::Object>::Cast(value)->FindInstanceInPrototypeChain(templ);
}
v8::Handle<v8::Value> JS_GetListValue(v8::Handle<v8::Value> pList, int index)
{
if(!pList.IsEmpty() && pList->IsObject())
{
v8::Local<v8::Object> obj = pList->ToObject();
return obj->Get(index);
}
return v8::Handle<v8::Value>();
}
V8NodeFilterCondition::V8NodeFilterCondition(v8::Handle<v8::Value> filter, v8::Handle<v8::Object> owner, ScriptState* scriptState)
: m_scriptState(scriptState)
{
// ..acceptNode(..) will only dispatch m_filter if m_filter->IsObject().
// We'll make sure m_filter is either usable by acceptNode or empty.
// (See the fast/dom/node-filter-gc test for a case where 'empty' happens.)
if (!filter.IsEmpty() && filter->IsObject()) {
V8HiddenValue::setHiddenValue(scriptState->isolate(), owner, V8HiddenValue::condition(scriptState->isolate()), filter);
m_filter.set(scriptState->isolate(), filter);
m_filter.setWeak(this, &setWeakCallback);
}
}
bool PointJsToC(v8::Handle<Value> value,cs::Twin* r){
HandleScope store;
if(!value->IsObject()) return false;
Local<Object> vObj = value->ToObject();
Local<Value> vx = vObj->Get(String::New("x"));
if(vx->IsUndefined()) return false;
Local<Value> vy = vObj->Get(String::New("y"));
if(vy->IsUndefined()) return false;
r->x = vx->Int32Value();
r->y = vy->Int32Value();
return true;
}
static PassRefPtr<JSONValue> v8ToJSONValue(v8::Handle<v8::Value> value, int maxDepth, v8::Isolate* isolate)
{
if (value.IsEmpty()) {
ASSERT_NOT_REACHED();
return 0;
}
if (!maxDepth)
return 0;
maxDepth--;
if (value->IsNull() || value->IsUndefined())
return JSONValue::null();
if (value->IsBoolean())
return JSONBasicValue::create(value->BooleanValue());
if (value->IsNumber())
return JSONBasicValue::create(value->NumberValue());
if (value->IsString())
return JSONString::create(toCoreString(value.As<v8::String>()));
if (value->IsArray()) {
v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);
RefPtr<JSONArray> inspectorArray = JSONArray::create();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> value = array->Get(v8::Int32::New(isolate, i));
RefPtr<JSONValue> element = v8ToJSONValue(value, maxDepth, isolate);
if (!element)
return 0;
inspectorArray->pushValue(element);
}
return inspectorArray;
}
if (value->IsObject()) {
RefPtr<JSONObject> jsonObject = JSONObject::create();
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
v8::Local<v8::Array> propertyNames = object->GetPropertyNames();
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(isolate, i));
// FIXME(yurys): v8::Object should support GetOwnPropertyNames
if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name)))
continue;
RefPtr<JSONValue> propertyValue = v8ToJSONValue(object->Get(name), maxDepth, isolate);
if (!propertyValue)
return 0;
V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(V8StringResource<WithNullCheck>, nameString, name, 0);
jsonObject->setValue(nameString, propertyValue);
}
return jsonObject;
}
ASSERT_NOT_REACHED();
return 0;
}
v8::Handle<v8::Function> V8AdaptorFunction::wrap(v8::Handle<v8::Object> object, const AtomicString& name, v8::Isolate* isolate)
{
if (object.IsEmpty() || !object->IsObject())
return v8::Handle<v8::Function>();
v8::Handle<v8::Function> adaptor = v8::Handle<v8::Function>::Cast(getTemplate(isolate)->GetFunction());
if (adaptor.IsEmpty())
return v8::Handle<v8::Function>();
adaptor->SetName(v8String(name.string(), isolate));
adaptor->SetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer(), object);
object->SetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer(), adaptor);
return adaptor;
}
// The callback that is invoked by v8 whenever the JavaScript 'print'
// function is called. Prints its arguments on stdout separated by
// spaces and ending with a newline.
void internalPrint(const v8::Handle<v8::Value> arg) {
v8::HandleScope handle_scope;
std::string cstr;
if (arg->IsObject()) {
v8::String::Utf8Value str(toJson(arg->ToObject(), true));
cstr = ToCString(str);
} else {
v8::String::Utf8Value str(arg);
cstr = ToCString(str);
}
printf("%s", cstr.c_str());
}
static PassRefPtr<InspectorValue> v8ToInspectorValue(v8::Handle<v8::Value> value, int maxDepth)
{
if (value.IsEmpty()) {
ASSERT_NOT_REACHED();
return 0;
}
if (!maxDepth)
return 0;
maxDepth--;
if (value->IsNull() || value->IsUndefined())
return InspectorValue::null();
if (value->IsBoolean())
return InspectorBasicValue::create(value->BooleanValue());
if (value->IsNumber())
return InspectorBasicValue::create(value->NumberValue());
if (value->IsString())
return InspectorString::create(toWebCoreString(value));
if (value->IsArray()) {
v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);
RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> value = array->Get(v8::Int32::New(i));
RefPtr<InspectorValue> element = v8ToInspectorValue(value, maxDepth);
if (!element)
return 0;
inspectorArray->pushValue(element);
}
return inspectorArray;
}
if (value->IsObject()) {
RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
v8::Local<v8::Array> propertyNames = object->GetPropertyNames();
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(i));
// FIXME(yurys): v8::Object should support GetOwnPropertyNames
if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name)))
continue;
RefPtr<InspectorValue> propertyValue = v8ToInspectorValue(object->Get(name), maxDepth);
if (!propertyValue)
return 0;
inspectorObject->setValue(toWebCoreStringWithNullCheck(name), propertyValue);
}
return inspectorObject;
}
ASSERT_NOT_REACHED();
return 0;
}
bool V8DOMWrapper::isDOMWrapper(v8::Handle<v8::Value> value)
{
if (value.IsEmpty() || !value->IsObject())
return false;
v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value);
if (wrapper->InternalFieldCount() < v8DefaultWrapperInternalFieldCount)
return false;
ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex));
ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex));
// FIXME: Add class id checks.
return true;
}
/**
* Unwrap
* Unwrap a JS object int a cpp class
*/
Mouse JSMouseUnwrap(v8::Handle<v8::Value> value) {
if (value->ToObject()->InternalFieldCount())
value = value->ToObject()->GetInternalField(0);
Mouse cobj;
if (value->IsObject()) {
v8::Handle<v8::Object> obj = value->ToObject();
cobj.x = obj->Get(v8::String::New("x"))->NumberValue();
cobj.y = obj->Get(v8::String::New("y"))->NumberValue();
}
return cobj;
}
static void
makews(struct winsize *w, v8::Handle<v8::Value> size) {
v8::Handle<v8::String> columns = NanNew<v8::String>("columns"),
rows = NanNew<v8::String>("rows");
w->ws_row = 24;
w->ws_col = 80;
w->ws_xpixel = w->ws_ypixel = 0;
if(size->IsObject()) {
v8::Handle<v8::Object> obj = size->ToObject();
if(obj->Has(columns))
w->ws_col = obj->Get(columns)->Uint32Value();
if(obj->Has(rows))
w->ws_row = obj->Get(rows)->Uint32Value();
}
}
static bool canInjectNthValueOnKeyPath(v8::Handle<v8::Value>& rootValue, const Vector<String>& keyPathElements, size_t index, v8::Isolate* isolate)
{
if (!rootValue->IsObject())
return false;
v8::Handle<v8::Value> currentValue(rootValue);
ASSERT(index <= keyPathElements.size());
for (size_t i = 0; i < index; ++i) {
v8::Handle<v8::Value> parentValue(currentValue);
const String& keyPathElement = keyPathElements[i];
if (!get(parentValue, keyPathElement, currentValue, isolate))
return canSet(parentValue, keyPathElement);
}
return true;
}
bool V8DOMWrapper::maybeDOMWrapper(v8::Handle<v8::Value> value)
{
if (value.IsEmpty() || !value->IsObject())
return false;
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
if (!object->InternalFieldCount())
return false;
ASSERT(object->InternalFieldCount() >= v8DefaultWrapperInternalFieldCount);
v8::Handle<v8::Value> wrapper = object->GetInternalField(v8DOMWrapperObjectIndex);
ASSERT(wrapper->IsNumber() || wrapper->IsExternal());
return true;
}
static v8::Handle<v8::Function> eventListenerEffectiveFunction(v8::Isolate* isolate, v8::Handle<v8::Object> listenerObject)
{
v8::Handle<v8::Function> function;
if (listenerObject->IsFunction()) {
function = v8::Handle<v8::Function>::Cast(listenerObject);
} else if (listenerObject->IsObject()) {
// Try the "handleEvent" method (EventListener interface).
v8::Handle<v8::Value> property = listenerObject->Get(v8AtomicString(isolate, "handleEvent"));
if (property.IsEmpty() || !property->IsFunction()) {
// Fall back to the "constructor" property.
property = listenerObject->Get(v8AtomicString(isolate, "constructor"));
}
if (!property.IsEmpty() && property->IsFunction())
function = v8::Handle<v8::Function>::Cast(property);
}
return function;
}
void key::Window::setDisplayMode(v8::Handle<v8::Value> newMode) {
HandleScope scope;
if (newMode->IsObject()) {
this->displayMode.clear();
auto modeObj = newMode->ToObject();
auto propertyNames = modeObj->GetPropertyNames();
for (uint32_t i = 0; i < propertyNames->Length(); i++) {
auto name = propertyNames->Get(i);
auto value = modeObj->Get(name);
this->displayMode[cvv8::CastFromJS<std::string>(name)] = cvv8::CastFromJS<int32_t>(value);
}
/*if (this->device.use_count() > 0)
this->device->notifyWindowChange(NOTIFY_CHANGE_DISPLAY_MODE);*/
}
}
Object^ V8Interop::FromV8(v8::Handle<v8::Value> value)
{
if (value->IsString())
{
return FromV8String(value);
}
else if (value->IsBoolean())
{
return FromV8Boolean(value);
}
else if (value->IsInt32())
{
return FromV8Int32(value);
}
else if (value->IsArray())
{
return FromV8Array(value);
}
else if (value->IsDate())
{
return FromV8Date(value);
}
else if (value->IsNumber())
{
return FromV8Double(value);
}
else if (value->IsFunction())
{
return FromV8Function(value);
}
else if (value->IsExternal())
{
return FromV8External(value);
}
else if (value->IsObject())
{
return FromV8Object(value);
}
else if (value->IsUndefined() || value->IsNull())
{
return nullptr;
}
return nullptr;
}
bool decodeJSInvokableObject(v8::Handle<v8::Value> senderVal, EmersonScript*& emerScript, JSInvokableObjectInt*& simObj)
{
if ((!senderVal->IsObject()) || (senderVal->IsUndefined()))
{
emerScript = NULL;
simObj = NULL;
return false;
}
v8::Handle<v8::Object>sender = v8::Handle<v8::Object>::Cast(senderVal);
if (sender->InternalFieldCount() != JSINVOKABLE_OBJECT_TEMPLATE_FIELD_COUNT)
{
return false;
}
v8::Local<v8::External> wrapJSObj;
wrapJSObj = v8::Local<v8::External>::Cast(sender->GetInternalField(JSINVOKABLE_OBJECT_JSOBJSCRIPT_FIELD));
void* ptr = wrapJSObj->Value();
emerScript = static_cast<EmersonScript*>(ptr);
if (emerScript == NULL)
{
simObj = NULL;
return false;
}
v8::Local<v8::External> wrapSimObjRef;
wrapSimObjRef = v8::Local<v8::External>::Cast(sender->GetInternalField(JSINVOKABLE_OBJECT_SIMULATION_FIELD));
void* ptr2 = wrapSimObjRef->Value();
simObj = static_cast<JSInvokableObject::JSInvokableObjectInt*>(ptr2);
if(!simObj)
{
emerScript = NULL;
return false;
}
return true;
}
QJsonValue QV8JsonWrapper::toJsonValue(v8::Handle<v8::Value> value,
V8ObjectSet &visitedObjects)
{
if (value->IsString())
return QJsonValue(QJSConverter::toString(value.As<v8::String>()));
else if (value->IsNumber())
return QJsonValue(value->NumberValue());
else if (value->IsBoolean())
return QJsonValue(value->BooleanValue());
else if (value->IsArray())
return toJsonArray(value.As<v8::Array>(), visitedObjects);
else if (value->IsObject())
return toJsonObject(value.As<v8::Object>(), visitedObjects);
else if (value->IsNull())
return QJsonValue(QJsonValue::Null);
else
return QJsonValue(QJsonValue::Undefined);
}
//*,{
// "type":"class",
// "name":"Point",
// "text":"Point 对象是一个纯 Javascript 对象，包含两个数字属性。Size 和 Point 是同一个对象的两个名称。",
// "member":[
// {
// "type":"property",
// "name":"x",
// "objtype":"integer",
// "text":"x 属性，一般表示横坐标位置或宽度。"
// },
// {
// "type":"property",
// "name":"y",
// "objtype":"integer",
// "text":"y 属性，一般表示纵坐标位置或高度。"
// },
// {
// "type":"function",
// "name":"move(dx,dy)",
// "text":"调整 x 和 y 属性的值。",
// "param":[
// {
// "type":"integer",
// "name":"dx",
// "text":"x 将会加上这个值。"
// },
// {
// "type":"integer",
// "name":"dy",
// "text":"y 将会加上这个值。"
// }
// ],
// "return":{
// "type":"void",
// "text":"函数没有返回值。"
// }
// }
// ]
//}
//,{
// "type":"class",
// "name":"Rect",
// "text":"Rect 对象是一个纯 Javascript 对象，包含四个数字属性。",
// "member":[
// {
// "type":"property",
// "name":"left",
// "objtype":"integer",
// "text":"左边界。"
// },
// {
// "type":"property",
// "name":"top",
// "objtype":"integer",
// "text":"上边界。"
// },
// {
// "type":"property",
// "name":"right",
// "objtype":"integer",
// "text":"右边界。"
// },
// {
// "type":"property",
// "name":"bottom",
// "objtype":"integer",
// "text":"下边界。"
// },
// {
// "type":"function",
// "name":"ptInRect(x,[y])",
// "text":"(x,y)所代表的点是否在这个矩形内，如果不传 y 参数，表示不考虑 y，只考虑 x。",
// "param":[
// {
// "type":"integer",
// "name":"x",
// "text":"点的 x 坐标。"
// },
// {
// "type":"integer",
// "name":"[y]",
// "text":"点的 y 坐标。"
// }
// ],
// "return":{
// "type":"boolean",
// "text":"如果点在矩形内返回 true，否则返回 false。"
// },
// "remark":[
// "矩形的左边界和上边界上的点算矩形内部，但是右边界和下边界不算矩形内部。"
// ]
// },
// {
// "type":"function",
// "name":"getLocation()",
// "text":"获取矩形的位置，也就是左上角的坐标。",
// "param":[
// ],
// "return":{
// "type":"Point",
// "text":"返回一个 Point 对象。"
// }
// },
// {
// "type":"function",
// "name":"setLocation([x],[y])",
// "text":"设置矩形的位置，这个函数会改变矩形 4 个属性的值，但是保持大小不变。",
// "param":[
// {
// "type":"integer",
// "name":"[x]",
// "text":"新位置的 x 坐标，如果此值为 undefined，矩形的 left 和 right 不变。"
// },
// {
// "type":"integer",
// "name":"[y]",
// "text":"新位置的 y 坐标，如果此值为 undefined，矩形的 top 和 bottom 不变。"
// }
// ],
// "return":{
// "type":"void",
// "text":"函数没有返回值。"
// }
// },
// {
// "type":"function",
// "name":"setSize",
// "text":"设置矩形的大小，这个函数通过调整 right 和 bottom 来调整矩形的大小。",
// "param":[
// {
// "type":"integer",
// "name":"[width]",
// "text":"矩形新的宽度，如果此值为 undefined，矩形的宽度不变。"
// },
// {
// "type":"integer",
// "name":"[height]",
// "text":"矩形新的高度，如果此值为 undefined，矩形的高度不变。"
// }
// ],
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
// },
// {
// "type":"function",
// "name":"getSize",
// "text":"获取矩形的大小。",
// "param":[
// ],
// "return":{
// "type":"Size",
// "text":"返回一个 Size 对象。"
// }
// },
// {
// "type":"function",
// "name":"positive",
// "text":"通过交换 left 和 right 或者 top 和 bottom 的值来保证，left 总是小于等于 right，top 总是小于等于 bottom。",
// "param":[
// ],
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
// },
// {
// "type":"function",
// "name":"setValue(left,top,right,bottom)",
// "text":"设置矩形的 4 个属性，这个函数直接设置，不做任何检测。",
// "param":[
// {
// "type":"integer",
// "name":"left",
// "text":"要设置的 left 属性值。"
// },
// {
// "type":"integer",
// "name":"top",
// "text":"要设置的 top 属性值。"
// },
// {
// "type":"integer",
// "name":"right",
// "text":"要设置的 right 属性值。"
// },
// {
// "type":"integer",
// "name":"bottom",
// "text":"要设置的 bottom 属性值。"
// }
// ],
// "return":{
// "type":"void",
// "text":"这个函数没有返回值。"
// }
// }
// ]
//}//*
bool RectJsToC(v8::Handle<Value> value,cs::Rect* r){
HandleScope store;
if(!value->IsObject()) return false;
Local<Object> vObj = value->ToObject();
Local<Value> vl = vObj->Get(String::New("left"));
if(vl->IsUndefined()) return false;
Local<Value> vt = vObj->Get(String::New("top"));
if(vt->IsUndefined()) return false;
Local<Value> vr = vObj->Get(String::New("right"));
if(vr->IsUndefined()) return false;
Local<Value> vb = vObj->Get(String::New("bottom"));
if(vb->IsUndefined()) return false;
r->left = vl->Int32Value();
r->top = vt->Int32Value();
r->right = vr->Int32Value();
r->bottom = vb->Int32Value();
return true;
}
static void ReportException(Environment* env, v8::Handle<v8::Value> er, v8::Handle<v8::Message> message)
{
v8::HandleScope scope(env->isolate());
AppendExceptionLine(env, er, message);
v8::Local<v8::Value> trace_value;
if (er->IsUndefined() || er->IsNull())
trace_value = Undefined(env->isolate());
else
trace_value = er->ToObject()->Get(env->stack_string());
v8::String::Utf8Value trace(trace_value);
// range errors have a trace member set to undefined
if (trace.length() > 0 && !trace_value->IsUndefined()) {
fprintf(stderr, "%s\n", *trace);
} else {
// this really only happens for RangeErrors, since they're the only
// kind that won't have all this info in the trace, or when non-Error
// objects are thrown manually.
v8::Local<v8::Value> message;
v8::Local<v8::Value> name;
if (er->IsObject()) {
v8::Local<v8::Object> err_obj = er.As<v8::Object>();
message = err_obj->Get(env->message_string());
name = err_obj->Get(FIXED_UTF8_STRING(env->isolate(), "name"));
}
if (message.IsEmpty() || message->IsUndefined() || name.IsEmpty() || name->IsUndefined()) {
// Not an error object. Just print as-is.
v8::String::Utf8Value message(er);
fprintf(stderr, "%s\n", *message);
} else {
v8::String::Utf8Value name_string(name);
v8::String::Utf8Value message_string(message);
fprintf(stderr, "%s: %s\n", *name_string, *message_string);
}
}
fflush(stderr);
}
bool V8DOMWrapper::maybeDOMWrapper(v8::Handle<v8::Value> value)
{
if (value.IsEmpty() || !value->IsObject())
return false;
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
if (!object->InternalFieldCount())
return false;
ASSERT(object->InternalFieldCount() >= v8DefaultWrapperInternalFieldCount);
v8::Handle<v8::Value> type = object->GetInternalField(v8DOMWrapperTypeIndex);
ASSERT(type->IsInt32());
ASSERT(V8ClassIndex::INVALID_CLASS_INDEX < type->Int32Value() && type->Int32Value() < V8ClassIndex::CLASSINDEX_END);
v8::Handle<v8::Value> wrapper = object->GetInternalField(v8DOMWrapperObjectIndex);
ASSERT(wrapper->IsNumber() || wrapper->IsExternal());
return true;
}
static Value v8ValueToValue(v8::Handle<v8::Value> v8Value)
{
v8::HandleScope scope;
if (v8Value->IsArray()) {
List<Value> value;
const v8::Handle<v8::Array> v8Array = v8::Handle<v8::Array>::Cast(v8Value);
const uint32_t size = v8Array->Length();
for (uint32_t i = 0; i < size; ++i) {
if (v8Array->Has(i))
value.append(v8ValueToValue(v8Array->Get(i)));
else
value.append(Value());
}
return Value(value);
} else if (v8Value->IsObject()) {
Map<String, Value> value;
const v8::Handle<v8::Object> v8Object = v8Value->ToObject();
const v8::Handle<v8::Array> props = v8Object->GetPropertyNames();
const uint32_t size = props->Length();
for (uint32_t i = 0; i < size; ++i) {
assert(props->Has(i));
const v8::Handle<v8::Value> name = props->Get(i);
value[String(*v8::String::Utf8Value(name))] = v8ValueToValue(v8Object->Get(name));
}
return Value(value);
} else if (v8Value->IsBoolean()) {
return Value(v8Value->BooleanValue());
} else if (v8Value->IsInt32() || v8Value->IsUint32()) {
return Value(v8Value->Int32Value());
} else if (v8Value->IsNumber()) {
return Value(v8Value->NumberValue());
} else if (v8Value->IsString()) {
return Value(String(*v8::String::Utf8Value(v8Value)));
} else {
error() << "Unexpected v8 value type in JSONParser";
}
// undefined or null?
return Value();
}