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Diffstat (limited to 'dom/base/nsDOMJSUtils.h')
| -rw-r--r-- | dom/base/nsDOMJSUtils.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/dom/base/nsDOMJSUtils.h b/dom/base/nsDOMJSUtils.h new file mode 100644 index 0000000000..bf859afa7b --- /dev/null +++ b/dom/base/nsDOMJSUtils.h @@ -0,0 +1,25 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsDOMJSUtils_h__ +#define nsDOMJSUtils_h__ + +#include "js/TypeDecls.h" +#include "nscore.h" + +class nsIJSArgArray; + +// A factory function for turning a JS::Value argv into an nsIArray +// but also supports an effecient way of extracting the original argv. +// The resulting object will take a copy of the array, and ensure each +// element is rooted. +// Optionally, aArgv may be nullptr, in which case the array is allocated and +// rooted, but all items remain nullptr. This presumably means the caller +// will then QI us for nsIJSArgArray, and set our array elements. +nsresult NS_CreateJSArgv(JSContext* aContext, uint32_t aArgc, + const JS::Value* aArgv, nsIJSArgArray** aArray); + +#endif // nsDOMJSUtils_h__ |