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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef JSCDATAMODEL_H_KN8TWG0V
#define JSCDATAMODEL_H_KN8TWG0V
#include "uscxml/config.h"
#include "uscxml/plugins/DataModelImpl.h"
#include <list>
#include <set>
#include <mutex>
#if defined(HAS_JSC_JAVASCRIPTCORE_H)
#include <JavaScriptCore/JavaScriptCore.h>
#elif defined(HAS_JSC_JAVASCRIPT_H)
#include <JavaScriptCore/JavaScript.h>
#else
#error "Did not find header for JSC?"
#endif
#ifdef BUILD_AS_PLUGINS
#include "uscxml/plugins/Plugins.h"
#endif
namespace uscxml {
class Event;
class Data;
}
namespace uscxml {
/**
* @ingroup datamodel
*
* ECMAScript data-model via JavaScriptCore.
*/
class JSCDataModel : public DataModelImpl {
public:
JSCDataModel();
virtual ~JSCDataModel();
virtual std::shared_ptr<DataModelImpl> create(DataModelCallbacks* callbacks);
virtual void addExtension(DataModelExtension* ext);
virtual std::list<std::string> getNames() {
std::list<std::string> names;
names.push_back("ecmascript");
return names;
}
virtual bool isLegalDataValue(const std::string& expr);
virtual bool isValidSyntax(const std::string& expr);
virtual void setEvent(const Event& event);
// foreach
virtual uint32_t getLength(const std::string& expr);
virtual void setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration);
virtual Data getAsData(const std::string& content);
virtual Data evalAsData(const std::string& expr);
virtual bool evalAsBool(const std::string& expr);
virtual bool isDeclared(const std::string& expr);
virtual void assign(const std::string& location,
const Data& data,
const std::map<std::string, std::string>& attr = std::map<std::string, std::string>());
virtual void init(const std::string& location,
const Data& data,
const std::map<std::string, std::string>& attr = std::map<std::string, std::string>());
protected:
virtual void setup();
static JSClassDefinition jsInClassDef;
static JSValueRef jsIn(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSClassDefinition jsPrintClassDef;
static JSValueRef jsPrint(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSClassDefinition jsExtensionClassDef;
static JSValueRef jsExtension(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSClassDefinition jsIOProcessorsClassDef;
static bool jsIOProcessorHasProp(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName);
static JSValueRef jsIOProcessorGetProp(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception);
static void jsIOProcessorListProps(JSContextRef ctx, JSObjectRef object, JSPropertyNameAccumulatorRef propertyNames);
static JSClassDefinition jsInvokersClassDef;
static bool jsInvokerHasProp(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName);
static JSValueRef jsInvokerGetProp(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception);
static void jsInvokerListProps(JSContextRef ctx, JSObjectRef object, JSPropertyNameAccumulatorRef propertyNames);
JSValueRef getNodeAsValue(const XERCESC_NS::DOMNode* node);
JSValueRef getDataAsValue(const Data& data);
Data getValueAsData(const JSValueRef value);
JSValueRef evalAsValue(const std::string& expr, bool dontThrow = false);
void handleException(JSValueRef exception);
std::string _sessionId;
std::string _name;
std::set<DataModelExtension*> _extensions;
Event _event;
JSGlobalContextRef _ctx;
static std::mutex _initMutex;
};
#ifdef BUILD_AS_PLUGINS
PLUMA_INHERIT_PROVIDER(JSCDataModel, DataModelImpl)
#endif
}
#endif /* end of include guard: JSCDATAMODEL_H_KN8TWG0V */
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