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
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  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
  40 nsHtml5Atom::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
  61 nsHtml5Atom::~nsHtml5Atom()
  62 {
  63   nsStringBuffer::FromData(mString)->Release();
  64 }
  65
  66 NS_IMETHODIMP_(nsrefcnt)
  67 nsHtml5Atom::AddRef()
  68 {
  69   NS_NOTREACHED("Attempt to AddRef an nsHtml5Atom.");
  70   return 2;
  71 }
  72
  73 NS_IMETHODIMP_(nsrefcnt)
  74 nsHtml5Atom::Release()
  75 {
  76   NS_NOTREACHED("Attempt to Release an nsHtml5Atom.");
  77   return 1;
  78 }
  79
  80 NS_IMETHODIMP
  81 nsHtml5Atom::QueryInterface(REFNSIID aIID, void** aInstancePtr)
  82 {
  83   NS_NOTREACHED("Attempt to call QueryInterface an nsHtml5Atom.");
  84   return NS_ERROR_UNEXPECTED;
  85 }
  86
  87 NS_IMETHODIMP
  88 nsHtml5Atom::ScriptableToString(nsAString& aBuf)
  89 {
  90   NS_NOTREACHED("Should not call ScriptableToString.");
  91   return NS_ERROR_NOT_IMPLEMENTED;
  92 }
  93
  94 NS_IMETHODIMP
  95 nsHtml5Atom::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
 101 NS_IMETHODIMP_(PRBool)
 102 nsHtml5Atom::IsStaticAtom()
 103 {
 104   return PR_FALSE;
 105 }
 106
 107 NS_IMETHODIMP
 108 nsHtml5Atom::ScriptableEquals(const nsAString& aString, PRBool* aResult)
 109 {
 110   NS_NOTREACHED("Should not call ScriptableEquals.");
 111   return NS_ERROR_NOT_IMPLEMENTED;
 112 }
 113
 114 NS_IMETHODIMP_(PRBool)
 115 nsHtml5Atom::EqualsUTF8(const nsACString& aString)
 116 {
 117   NS_NOTREACHED("Should not attempt to compare with an UTF-8 string.");
 118   return PR_FALSE;
 119 }