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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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62
dom/xslt/xml/txXMLParser.cpp Normal file
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#include "txXMLParser.h"
#include "txURIUtils.h"
#include "txXPathTreeWalker.h"
#include "nsIDocument.h"
#include "nsIDOMDocument.h"
#include "nsSyncLoadService.h"
#include "nsNetUtil.h"
#include "nsIURI.h"
#include "nsIPrincipal.h"
nsresult
txParseDocumentFromURI(const nsAString& aHref,
const txXPathNode& aLoader,
nsAString& aErrMsg,
txXPathNode** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = nullptr;
nsCOMPtr<nsIURI> documentURI;
nsresult rv = NS_NewURI(getter_AddRefs(documentURI), aHref);
NS_ENSURE_SUCCESS(rv, rv);
nsIDocument* loaderDocument = txXPathNativeNode::getDocument(aLoader);
nsCOMPtr<nsILoadGroup> loadGroup = loaderDocument->GetDocumentLoadGroup();
// For the system principal loaderUri will be null here, which is good
// since that means that chrome documents can load any uri.
// Raw pointer, we want the resulting txXPathNode to hold a reference to
// the document.
nsIDOMDocument* theDocument = nullptr;
nsAutoSyncOperation sync(loaderDocument);
rv = nsSyncLoadService::LoadDocument(documentURI,
nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST,
loaderDocument->NodePrincipal(),
nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS,
loadGroup, true,
loaderDocument->GetReferrerPolicy(),
&theDocument);
if (NS_FAILED(rv)) {
aErrMsg.AppendLiteral("Document load of ");
aErrMsg.Append(aHref);
aErrMsg.AppendLiteral(" failed.");
return NS_FAILED(rv) ? rv : NS_ERROR_FAILURE;
}
*aResult = txXPathNativeNode::createXPathNode(theDocument);
if (!*aResult) {
NS_RELEASE(theDocument);
return NS_ERROR_FAILURE;
}
return NS_OK;
}