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#ifndef __JSENGINE_H__
#define __JSENGINE_H__
/**
* Phoebe DOM Implementation.
*
* This is a C++ approximation of the W3C DOM model, which follows
* fairly closely the specifications in the various .idl files, copies of
* which are provided for reference. Most important is this one:
*
* http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/idl-definitions.html
*
* Authors:
* Bob Jamison
*
* Copyright (C) 2006 Bob Jamison
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dom.h"
#include "js/jsapi.h"
namespace org
{
namespace w3c
{
namespace dom
{
/**
* Encapsulate a Spidermonkey JavaScript interpreter. Init classes, then
* wrap around any objects that are needed.
*/
class JavascriptEngine
{
public:
/**
* Constructor
*/
JavascriptEngine()
{ startup(); }
/**
* Destructor
*/
virtual ~JavascriptEngine()
{ shutdown(); }
/**
* Evaluate a script
*/
bool evaluate(const DOMString &script);
/**
* Evaluate a script from a file
*/
bool evaluateFile(const DOMString &script);
/**
* Return the runtime of the wrapped JS engine
*/
JSRuntime *getRuntime()
{ return rt; }
/**
* Return the current context of the wrapped JS engine
*/
JSContext *getContext()
{ return cx; }
/**
* Return the current global object of the wrapped JS engine
*/
JSObject *getGlobalObject()
{ return globalObj; }
private:
/**
* Startup the javascript engine
*/
bool startup();
/**
* Shutdown the javascript engine
*/
bool shutdown();
void init()
{
rt = NULL;
cx = NULL;
globalObj = NULL;
}
/**
* Assignment operator. Let's keep this private for now,
* as we want one Spidermonkey runtime per c++ shell
*/
JavascriptEngine &operator=(const JavascriptEngine &other)
{ assign(other); return *this; }
void assign(const JavascriptEngine &other)
{
rt = other.rt;
cx = other.cx;
globalObj = other.globalObj;
}
/**
* Bind with the basic DOM classes
*/
bool createClasses();
/**
* Ouput a printf-formatted error message
*/
void error(char *fmt, ...);
/**
* Ouput a printf-formatted error message
*/
void trace(char *fmt, ...);
JSRuntime *rt;
JSContext *cx;
JSObject *globalObj;
static void errorReporter(JSContext *cx,
const char *message, JSErrorReport *report)
{
JavascriptEngine *engine =
(JavascriptEngine *) JS_GetContextPrivate(cx);
engine->error((char *)message);
}
};
} // namespace dom
} // namespace w3c
} // namespace org
#endif /* __JSENGINE_H__ */
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