зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.0 KiB
C++
66 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "js/JSON.h"
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#include "nsArrayUtils.h"
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#include "PaymentRequestUtils.h"
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#include "nsIMutableArray.h"
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#include "nsISupportsPrimitives.h"
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namespace mozilla {
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namespace dom {
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nsresult
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SerializeFromJSObject(JSContext* aCx, JS::HandleObject aObject, nsAString& aSerializedObject)
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{
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MOZ_ASSERT(aCx);
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JS::RootedValue value(aCx, JS::ObjectValue(*aObject));
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return SerializeFromJSVal(aCx, value, aSerializedObject);
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}
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nsresult
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SerializeFromJSVal(JSContext* aCx, JS::HandleValue aValue, nsAString& aSerializedValue)
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{
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aSerializedValue.Truncate();
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nsAutoString serializedValue;
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JS::RootedValue value(aCx, aValue.get());
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NS_ENSURE_TRUE(nsContentUtils::StringifyJSON(aCx, &value, serializedValue), NS_ERROR_XPC_BAD_CONVERT_JS);
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NS_ENSURE_TRUE(!serializedValue.IsEmpty(), NS_ERROR_FAILURE);
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aSerializedValue = serializedValue;
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return NS_OK;
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}
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nsresult
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DeserializeToJSObject(const nsAString& aSerializedObject, JSContext* aCx, JS::MutableHandleObject aObject)
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{
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MOZ_ASSERT(aCx);
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JS::RootedValue value(aCx);
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nsresult rv = DeserializeToJSValue(aSerializedObject, aCx, &value);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (value.isObject()) {
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aObject.set(&value.toObject());
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} else {
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aObject.set(nullptr);
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}
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return NS_OK;
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}
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nsresult
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DeserializeToJSValue(const nsAString& aSerializedObject, JSContext* aCx, JS::MutableHandleValue aValue)
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{
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MOZ_ASSERT(aCx);
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if (!JS_ParseJSON(aCx, static_cast<const char16_t*>(PromiseFlatString(aSerializedObject).get()),
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aSerializedObject.Length(), aValue)) {
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return NS_ERROR_UNEXPECTED;
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}
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return NS_OK;
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}
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} // end of namespace dom
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} // end of namespace mozilla
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