/parser/html/nsHtml5Atom.cpp

  1/* ***** BEGIN LICENSE BLOCK *****
  2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  3 *
  4 * The contents of this file are subject to the Mozilla Public License Version
  5 * 1.1 (the "License"); you may not use this file except in compliance with
  6 * the License. You may obtain a copy of the License at
  7 * http://www.mozilla.org/MPL/
  8 *
  9 * Software distributed under the License is distributed on an "AS IS" basis,
 10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 11 * for the specific language governing rights and limitations under the
 12 * License.
 13 *
 14 * The Original Code is HTML Parser C++ Translator code.
 15 *
 16 * The Initial Developer of the Original Code is
 17 * Mozilla Foundation.
 18 * Portions created by the Initial Developer are Copyright (C) 2009
 19 * the Initial Developer. All Rights Reserved.
 20 *
 21 * Contributor(s):
 22 *   Henri Sivonen <hsivonen@iki.fi>
 23 *
 24 * Alternatively, the contents of this file may be used under the terms of
 25 * either the GNU General Public License Version 2 or later (the "GPL"), or
 26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 27 * in which case the provisions of the GPL or the LGPL are applicable instead
 28 * of those above. If you wish to allow use of your version of this file only
 29 * under the terms of either the GPL or the LGPL, and not to allow others to
 30 * use your version of this file under the terms of the MPL, indicate your
 31 * decision by deleting the provisions above and replace them with the notice
 32 * and other provisions required by the GPL or the LGPL. If you do not delete
 33 * the provisions above, a recipient may use your version of this file under
 34 * the terms of any one of the MPL, the GPL or the LGPL.
 35 *
 36 * ***** END LICENSE BLOCK ***** */
 37
 38#include "nsHtml5Atom.h"
 39
 40nsHtml5Atom::nsHtml5Atom(const nsAString& aString)
 41{
 42  mLength = aString.Length();
 43  nsStringBuffer* buf = nsStringBuffer::FromString(aString);
 44  if (buf) {
 45    buf->AddRef();
 46    mString = static_cast<PRUnichar*>(buf->Data());
 47  }
 48  else {
 49    buf = nsStringBuffer::Alloc((mLength + 1) * sizeof(PRUnichar));
 50    mString = static_cast<PRUnichar*>(buf->Data());
 51    CopyUnicodeTo(aString, 0, mString, mLength);
 52    mString[mLength] = PRUnichar(0);
 53  }
 54
 55  NS_ASSERTION(mString[mLength] == PRUnichar(0), "null terminated");
 56  NS_ASSERTION(buf && buf->StorageSize() >= (mLength+1) * sizeof(PRUnichar),
 57               "enough storage");
 58  NS_ASSERTION(Equals(aString), "correct data");
 59}
 60
 61nsHtml5Atom::~nsHtml5Atom()
 62{
 63  nsStringBuffer::FromData(mString)->Release();
 64}
 65
 66NS_IMETHODIMP_(nsrefcnt)
 67nsHtml5Atom::AddRef()
 68{
 69  NS_NOTREACHED("Attempt to AddRef an nsHtml5Atom.");
 70  return 2;
 71}
 72
 73NS_IMETHODIMP_(nsrefcnt)
 74nsHtml5Atom::Release()
 75{
 76  NS_NOTREACHED("Attempt to Release an nsHtml5Atom.");
 77  return 1;
 78}
 79
 80NS_IMETHODIMP
 81nsHtml5Atom::QueryInterface(REFNSIID aIID, void** aInstancePtr)
 82{
 83  NS_NOTREACHED("Attempt to call QueryInterface an nsHtml5Atom.");
 84  return NS_ERROR_UNEXPECTED;
 85}
 86
 87NS_IMETHODIMP 
 88nsHtml5Atom::ScriptableToString(nsAString& aBuf)
 89{
 90  NS_NOTREACHED("Should not call ScriptableToString.");
 91  return NS_ERROR_NOT_IMPLEMENTED;
 92}
 93
 94NS_IMETHODIMP
 95nsHtml5Atom::ToUTF8String(nsACString& aReturn)
 96{
 97  NS_NOTREACHED("Should not attempt to convert to an UTF-8 string.");
 98  return NS_ERROR_NOT_IMPLEMENTED;
 99}
100
101NS_IMETHODIMP_(bool)
102nsHtml5Atom::IsStaticAtom()
103{
104  return false;
105}
106
107NS_IMETHODIMP
108nsHtml5Atom::ScriptableEquals(const nsAString& aString, bool* aResult)
109{
110  NS_NOTREACHED("Should not call ScriptableEquals.");
111  return NS_ERROR_NOT_IMPLEMENTED;
112}
113
114NS_IMETHODIMP_(bool)
115nsHtml5Atom::EqualsUTF8(const nsACString& aString)
116{
117  NS_NOTREACHED("Should not attempt to compare with an UTF-8 string.");
118  return false;
119}