gecko-dev/dom/base/nsJSUtils.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
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* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsJSUtils_h__
#define nsJSUtils_h__
/**
* This is not a generated file. It contains common utility functions
* invoked from the JavaScript code generated from IDL interfaces.
* The goal of the utility functions is to cut down on the size of
* the generated code itself.
*/
#include "nsISupports.h"
#include "jsapi.h"
#include "nsString.h"
class nsIDOMEventListener;
class nsIScriptContext;
class nsIScriptGlobalObject;
class nsIPrincipal;
class nsJSUtils
{
public:
static JSBool GetCallingLocation(JSContext* aContext, const char* *aFilename,
PRUint32* aLineno, nsIPrincipal* aPrincipal);
static nsIScriptGlobalObject *GetStaticScriptGlobal(JSContext* aContext,
JSObject* aObj);
static nsIScriptContext *GetStaticScriptContext(JSContext* aContext,
JSObject* aObj);
static nsIScriptGlobalObject *GetDynamicScriptGlobal(JSContext *aContext);
static nsIScriptContext *GetDynamicScriptContext(JSContext *aContext);
};
class nsDependentJSString : public nsDependentString
{
public:
explicit nsDependentJSString(jsval v)
: nsDependentString((PRUnichar *)::JS_GetStringChars(JSVAL_TO_STRING(v)),
::JS_GetStringLength(JSVAL_TO_STRING(v)))
{
}
explicit nsDependentJSString(JSString *str)
: nsDependentString((PRUnichar *)::JS_GetStringChars(str), ::JS_GetStringLength(str))
{
}
~nsDependentJSString()
{
}
};
#endif /* nsJSUtils_h__ */