зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
1.9 KiB
C++
56 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "txXMLParser.h"
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#include "txURIUtils.h"
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#include "txXPathTreeWalker.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsSyncLoadService.h"
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#include "nsNetUtil.h"
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#include "nsIPrincipal.h"
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nsresult
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txParseDocumentFromURI(const nsAString& aHref, const txXPathNode& aLoader,
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nsAString& aErrMsg, txXPathNode** aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = nullptr;
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nsCOMPtr<nsIURI> documentURI;
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nsresult rv = NS_NewURI(getter_AddRefs(documentURI), aHref);
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NS_ENSURE_SUCCESS(rv, rv);
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nsIDocument* loaderDocument = txXPathNativeNode::getDocument(aLoader);
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nsCOMPtr<nsILoadGroup> loadGroup = loaderDocument->GetDocumentLoadGroup();
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// For the system principal loaderUri will be null here, which is good
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// since that means that chrome documents can load any uri.
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// Raw pointer, we want the resulting txXPathNode to hold a reference to
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// the document.
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nsIDOMDocument* theDocument = nullptr;
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nsAutoSyncOperation sync(loaderDocument);
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rv = nsSyncLoadService::LoadDocument(documentURI,
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loaderDocument->NodePrincipal(),
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loadGroup, true, &theDocument);
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if (NS_FAILED(rv)) {
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aErrMsg.AppendLiteral("Document load of ");
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aErrMsg.Append(aHref);
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aErrMsg.AppendLiteral(" failed.");
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return NS_FAILED(rv) ? rv : NS_ERROR_FAILURE;
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}
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*aResult = txXPathNativeNode::createXPathNode(theDocument);
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if (!*aResult) {
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NS_RELEASE(theDocument);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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