/* -*- 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/. */

#ifndef TRANSFRMX_TXNAMESPACEMAP_H
#define TRANSFRMX_TXNAMESPACEMAP_H

#include "nsAtom.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"

class txNamespaceMap {
 public:
  txNamespaceMap();
  txNamespaceMap(const txNamespaceMap& aOther);

  nsrefcnt AddRef() { return ++mRefCnt; }
  nsrefcnt Release() {
    if (--mRefCnt == 0) {
      mRefCnt = 1;  // stabilize
      delete this;
      return 0;
    }
    return mRefCnt;
  }

  nsresult mapNamespace(nsAtom* aPrefix, const nsAString& aNamespaceURI);
  int32_t lookupNamespace(nsAtom* aPrefix);
  int32_t lookupNamespaceWithDefault(const nsAString& aPrefix);

 private:
  nsAutoRefCnt mRefCnt;
  nsTArray<RefPtr<nsAtom>> mPrefixes;
  nsTArray<int32_t> mNamespaces;
};

#endif  // TRANSFRMX_TXNAMESPACEMAP_H