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#include "uscxml/Common.h"
#include "JSCDataModel.h"
#include "dom/JSCDOM.h"
#include "dom/JSCDocument.h"
#include "uscxml/Message.h"
#include <glog/logging.h>
#ifdef BUILD_AS_PLUGINS
#include <Pluma/Connector.hpp>
#endif
namespace uscxml {
#ifdef BUILD_AS_PLUGINS
PLUMA_CONNECTOR
bool connect(pluma::Host& host) {
host.add( new JSCDataModelProvider() );
return true;
}
#endif
JSCDataModel::JSCDataModel() {
}
boost::shared_ptr<DataModelImpl> JSCDataModel::create(InterpreterImpl* interpreter) {
boost::shared_ptr<JSCDataModel> dm = boost::shared_ptr<JSCDataModel>(new JSCDataModel());
dm->_ctx = JSGlobalContextCreate(NULL);
dm->_interpreter = interpreter;
Arabica::DOM::JSCDOM* dom = new Arabica::DOM::JSCDOM();
// dom->interpreter = interpreter;
dom->xpath = new Arabica::XPath::XPath<std::string>();
dom->xpath->setNamespaceContext(interpreter->getNSContext());
dm->eval("_ioprocessors = {};");
Arabica::DOM::JSCDocument::JSCDocumentPrivate* privData = new Arabica::DOM::JSCDocument::JSCDocumentPrivate();
privData->nativeObj = new Arabica::DOM::Document<std::string>(interpreter->getDocument());
privData->dom = dom;
JSObjectRef documentObject = JSObjectMake(dm->_ctx, Arabica::DOM::JSCDocument::getTmpl(), privData);
JSObjectRef globalObject = JSContextGetGlobalObject(dm->_ctx);
JSObjectSetProperty(dm->_ctx, globalObject, JSStringCreateWithUTF8CString("document"), documentObject, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete, NULL);
return dm;
}
JSCDataModel::~JSCDataModel() {
JSGlobalContextRelease(_ctx);
}
void JSCDataModel::pushContext() {
}
void JSCDataModel::popContext() {
}
void JSCDataModel::setEvent(const Event& event) {
LOG(ERROR) << "setEvent not implemented in JSC";
}
Data JSCDataModel::getStringAsData(const std::string& content) {
JSValueRef result = evalAsValue(content);
Data data = getValueAsData(result);
return data;
}
Data JSCDataModel::getValueAsData(const JSValueRef value) {
Data data;
JSValueRef exception = NULL;
switch(JSValueGetType(_ctx, value)) {
case kJSTypeUndefined:
LOG(ERROR) << "IsUndefined is unimplemented";
break;
case kJSTypeNull:
LOG(ERROR) << "IsNull is unimplemented";
break;
case kJSTypeBoolean:
data.atom = (JSValueToBoolean(_ctx, value) ? "true" : "false");
break;
case kJSTypeNumber:
data.atom = toStr(JSValueToNumber(_ctx, value, &exception));
if (exception)
handleException(exception);
break;
case kJSTypeString: {
JSStringRef stringValue = JSValueToStringCopy( _ctx, value, &exception);
if (exception)
handleException(exception);
char* buf = (char*)malloc(JSStringGetMaximumUTF8CStringSize(stringValue));
JSStringGetUTF8CString(stringValue, buf, sizeof(buf));
data.atom = std::string(buf, sizeof(buf));
free(buf);
break;
}
case kJSTypeObject: {
JSObjectRef objValue = JSValueToObject(_ctx, value, &exception);
if (exception)
handleException(exception);
std::set<std::string> propertySet;
JSPropertyNameArrayRef properties = JSObjectCopyPropertyNames(_ctx, objValue);
size_t paramCount = JSPropertyNameArrayGetCount(properties);
bool isArray = true;
for (size_t i = 0; i < paramCount; i++) {
JSStringRef stringValue = JSPropertyNameArrayGetNameAtIndex(properties, i);
char* buf = (char*)malloc(JSStringGetMaximumUTF8CStringSize(stringValue));
JSStringGetUTF8CString(stringValue, buf, sizeof(buf));
std::string property(buf, sizeof(buf));
if (!isNumeric(property.c_str(), 10))
isArray = false;
propertySet.insert(property);
free(buf);
}
std::set<std::string>::iterator propIter = propertySet.begin();
while(propIter != propertySet.end()) {
if (isArray) {
JSValueRef nestedValue = JSObjectGetPropertyAtIndex(_ctx, objValue, strTo<int>(*propIter), &exception);
if (exception)
handleException(exception);
data.array.push_back(getValueAsData(nestedValue));
} else {
JSStringRef jsString = JSStringCreateWithUTF8CString(propIter->c_str());
JSValueRef nestedValue = JSObjectGetProperty(_ctx, objValue, jsString, &exception);
JSStringRelease(jsString);
if (exception)
handleException(exception);
data.compound[*propIter] = getValueAsData(nestedValue);
}
propIter++;
}
break;
}
}
return data;
}
bool JSCDataModel::validate(const std::string& location, const std::string& schema) {
return true;
}
uint32_t JSCDataModel::getLength(const std::string& expr) {
LOG(ERROR) << "I am not sure whether getLength() works :(";
JSValueRef result = evalAsValue(expr);
JSValueRef exception = NULL;
double length = JSValueToNumber(_ctx, result, &exception);
if (exception)
handleException(exception);
return (uint32_t)length;
}
void JSCDataModel::eval(const std::string& expr) {
evalAsValue(expr);
}
bool JSCDataModel::evalAsBool(const std::string& expr) {
JSValueRef result = evalAsValue(expr);
return JSValueToBoolean(_ctx, result);
}
std::string JSCDataModel::evalAsString(const std::string& expr) {
JSValueRef result = evalAsValue(expr);
JSValueRef exception = NULL;
JSStringRef stringValue = JSValueToStringCopy( _ctx, result, &exception);
if (exception)
handleException(exception);
char* data = (char*)malloc(JSStringGetMaximumUTF8CStringSize(stringValue));
JSStringGetUTF8CString(stringValue, data, sizeof(data));
std::string retString(data, sizeof(data));
JSStringRelease(stringValue);
free(data);
return retString;
}
JSValueRef JSCDataModel::evalAsValue(const std::string& expr) {
JSStringRef scriptJS = JSStringCreateWithUTF8CString(expr.c_str());
JSValueRef exception = NULL;
JSValueRef result = JSEvaluateScript(_ctx, scriptJS, NULL, NULL, 0, &exception);
if (exception)
handleException(exception);
JSStringRelease(scriptJS);
return result;
}
void JSCDataModel::assign(const Arabica::DOM::Element<std::string>& assignElem,
const Arabica::DOM::Document<std::string>& doc,
const std::string& content) {
}
void JSCDataModel::assign(const std::string& location, const Data& data) {
}
void JSCDataModel::init(const Arabica::DOM::Element<std::string>& dataElem,
const Arabica::DOM::Document<std::string>& doc,
const std::string& content) {
}
void JSCDataModel::init(const std::string& location, const Data& data) {
}
void JSCDataModel::handleException(JSValueRef exception) {
assert(false);
}
}
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