parser/html/nsHtml5Atom.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsHtml5Atom.h"
   6
   7 nsHtml5Atom::nsHtml5Atom(const nsAString& aString)
   8 {
   9   mLength = aString.Length();
  10   nsStringBuffer* buf = nsStringBuffer::FromString(aString);
  11   if (buf) {
  12     buf->AddRef();
  13     mString = static_cast<PRUnichar*>(buf->Data());
  14   }
  15   else {
  16     buf = nsStringBuffer::Alloc((mLength + 1) * sizeof(PRUnichar));
  17     mString = static_cast<PRUnichar*>(buf->Data());
  18     CopyUnicodeTo(aString, 0, mString, mLength);
  19     mString[mLength] = PRUnichar(0);
  20   }
  21
  22   NS_ASSERTION(mString[mLength] == PRUnichar(0), "null terminated");
  23   NS_ASSERTION(buf && buf->StorageSize() >= (mLength+1) * sizeof(PRUnichar),
  24                "enough storage");
  25   NS_ASSERTION(Equals(aString), "correct data");
  26 }
  27
  28 nsHtml5Atom::~nsHtml5Atom()
  29 {
  30   nsStringBuffer::FromData(mString)->Release();
  31 }
  32
  33 NS_IMETHODIMP_(nsrefcnt)
  34 nsHtml5Atom::AddRef()
  35 {
  36   NS_NOTREACHED("Attempt to AddRef an nsHtml5Atom.");
  37   return 2;
  38 }
  39
  40 NS_IMETHODIMP_(nsrefcnt)
  41 nsHtml5Atom::Release()
  42 {
  43   NS_NOTREACHED("Attempt to Release an nsHtml5Atom.");
  44   return 1;
  45 }
  46
  47 NS_IMETHODIMP
  48 nsHtml5Atom::QueryInterface(REFNSIID aIID, void** aInstancePtr)
  49 {
  50   NS_NOTREACHED("Attempt to call QueryInterface an nsHtml5Atom.");
  51   return NS_ERROR_UNEXPECTED;
  52 }
  53
  54 NS_IMETHODIMP
  55 nsHtml5Atom::ScriptableToString(nsAString& aBuf)
  56 {
  57   NS_NOTREACHED("Should not call ScriptableToString.");
  58   return NS_ERROR_NOT_IMPLEMENTED;
  59 }
  60
  61 NS_IMETHODIMP
  62 nsHtml5Atom::ToUTF8String(nsACString& aReturn)
  63 {
  64   NS_NOTREACHED("Should not attempt to convert to an UTF-8 string.");
  65   return NS_ERROR_NOT_IMPLEMENTED;
  66 }
  67
  68 NS_IMETHODIMP_(bool)
  69 nsHtml5Atom::IsStaticAtom()
  70 {
  71   return false;
  72 }
  73
  74 NS_IMETHODIMP
  75 nsHtml5Atom::ScriptableEquals(const nsAString& aString, bool* aResult)
  76 {
  77   NS_NOTREACHED("Should not call ScriptableEquals.");
  78   return NS_ERROR_NOT_IMPLEMENTED;
  79 }
  80
  81 NS_IMETHODIMP_(bool)
  82 nsHtml5Atom::EqualsUTF8(const nsACString& aString)
  83 {
  84   NS_NOTREACHED("Should not attempt to compare with an UTF-8 string.");
  85   return false;
  86 }