/usr/include/thunderbird/nsTArrayHelpers.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* 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 __NSTARRAYHELPERS_H__
#define __NSTARRAYHELPERS_H__
#include "jsapi.h"
#include "nsContentUtils.h"
#include "nsTArray.h"
template <class T>
inline nsresult
nsTArrayToJSArray(JSContext* aCx, const nsTArray<T>& aSourceArray,
JS::MutableHandle<JSObject*> aResultArray)
{
MOZ_ASSERT(aCx);
JS::Rooted<JSObject*> arrayObj(aCx,
JS_NewArrayObject(aCx, aSourceArray.Length()));
if (!arrayObj) {
NS_WARNING("JS_NewArrayObject failed!");
return NS_ERROR_OUT_OF_MEMORY;
}
for (uint32_t index = 0; index < aSourceArray.Length(); index++) {
nsCOMPtr<nsISupports> obj;
nsresult rv = aSourceArray[index]->QueryInterface(NS_GET_IID(nsISupports), getter_AddRefs(obj));
NS_ENSURE_SUCCESS(rv, rv);
JS::RootedValue wrappedVal(aCx);
rv = nsContentUtils::WrapNative(aCx, obj, &wrappedVal);
NS_ENSURE_SUCCESS(rv, rv);
if (!JS_DefineElement(aCx, arrayObj, index, wrappedVal, JSPROP_ENUMERATE)) {
NS_WARNING("JS_DefineElement failed!");
return NS_ERROR_FAILURE;
}
}
if (!JS_FreezeObject(aCx, arrayObj)) {
NS_WARNING("JS_FreezeObject failed!");
return NS_ERROR_FAILURE;
}
aResultArray.set(arrayObj);
return NS_OK;
}
template <>
inline nsresult
nsTArrayToJSArray<nsString>(JSContext* aCx,
const nsTArray<nsString>& aSourceArray,
JS::MutableHandle<JSObject*> aResultArray)
{
MOZ_ASSERT(aCx);
JS::Rooted<JSObject*> arrayObj(aCx,
JS_NewArrayObject(aCx, aSourceArray.Length()));
if (!arrayObj) {
NS_WARNING("JS_NewArrayObject failed!");
return NS_ERROR_OUT_OF_MEMORY;
}
JS::Rooted<JSString*> s(aCx);
for (uint32_t index = 0; index < aSourceArray.Length(); index++) {
s = JS_NewUCStringCopyN(aCx, aSourceArray[index].BeginReading(),
aSourceArray[index].Length());
if(!s) {
NS_WARNING("Memory allocation error!");
return NS_ERROR_OUT_OF_MEMORY;
}
if (!JS_DefineElement(aCx, arrayObj, index, s, JSPROP_ENUMERATE)) {
NS_WARNING("JS_DefineElement failed!");
return NS_ERROR_FAILURE;
}
}
if (!JS_FreezeObject(aCx, arrayObj)) {
NS_WARNING("JS_FreezeObject failed!");
return NS_ERROR_FAILURE;
}
aResultArray.set(arrayObj);
return NS_OK;
}
#endif /* __NSTARRAYHELPERS_H__ */
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