txExpandedName.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 "txExpandedName.h"

#include "nsString.h"

#include "nsReadableUtils.h"

#include "txStringUtils.h"

#include "txNamespaceMap.h"

#include "txXMLUtils.h"

nsresult txExpandedName::init(const nsAString& aQName,

                              txNamespaceMap* aResolver, bool aUseDefault) {

  const nsString& qName = PromiseFlatString(aQName);

  const char16_t* colon;

  bool valid = XMLUtils::isValidQName(qName, &colon);

  if (!valid) {

    return NS_ERROR_FAILURE;

  if (colon) {

    RefPtr<nsAtom> prefix = NS_Atomize(Substring(qName.get(), colon));

    int32_t namespaceID = aResolver->lookupNamespace(prefix);

    if (namespaceID == kNameSpaceID_Unknown) return NS_ERROR_FAILURE;

    mNamespaceID = namespaceID;

    const char16_t* end;

    qName.EndReading(end);

    mLocalName = NS_Atomize(Substring(colon + 1, end));

  } else {

    mNamespaceID =

        aUseDefault ? aResolver->lookupNamespace(nullptr) : kNameSpaceID_None;

    mLocalName = NS_Atomize(aQName);

  return NS_OK;