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 #include "nsAutoPtr.h"
   7
   8 nsHtml5Atom::nsHtml5Atom(const nsAString& aString)
   9 {
  10   mLength = aString.Length();
  11   nsRefPtr<nsStringBuffer> buf = nsStringBuffer::FromString(aString);
  12   if (buf) {
  13     mString = static_cast<PRUnichar*>(buf->Data());
  14   } else {
  15     buf = nsStringBuffer::Alloc((mLength + 1) * sizeof(PRUnichar));
  16     mString = static_cast<PRUnichar*>(buf->Data());
  17     CopyUnicodeTo(aString, 0, mString, mLength);
  18     mString[mLength] = PRUnichar(0);
  19   }
  20
  21   NS_ASSERTION(mString[mLength] == PRUnichar(0), "null terminated");
  22   NS_ASSERTION(buf && buf->StorageSize() >= (mLength+1) * sizeof(PRUnichar),
  23                "enough storage");
  24   NS_ASSERTION(Equals(aString), "correct data");
  25
  26   // Take ownership of buffer
  27   buf.forget();
  28 }
  29
  30 nsHtml5Atom::~nsHtml5Atom()
  31 {
  32   nsStringBuffer::FromData(mString)->Release();
  33 }
  34
  35 NS_IMETHODIMP_(nsrefcnt)
  36 nsHtml5Atom::AddRef()
  37 {
  38   NS_NOTREACHED("Attempt to AddRef an nsHtml5Atom.");
  39   return 2;
  40 }
  41
  42 NS_IMETHODIMP_(nsrefcnt)
  43 nsHtml5Atom::Release()
  44 {
  45   NS_NOTREACHED("Attempt to Release an nsHtml5Atom.");
  46   return 1;
  47 }
  48
  49 NS_IMETHODIMP
  50 nsHtml5Atom::QueryInterface(REFNSIID aIID, void** aInstancePtr)
  51 {
  52   NS_NOTREACHED("Attempt to call QueryInterface an nsHtml5Atom.");
  53   return NS_ERROR_UNEXPECTED;
  54 }
  55
  56 NS_IMETHODIMP
  57 nsHtml5Atom::ScriptableToString(nsAString& aBuf)
  58 {
  59   NS_NOTREACHED("Should not call ScriptableToString.");
  60   return NS_ERROR_NOT_IMPLEMENTED;
  61 }
  62
  63 NS_IMETHODIMP
  64 nsHtml5Atom::ToUTF8String(nsACString& aReturn)
  65 {
  66   NS_NOTREACHED("Should not attempt to convert to an UTF-8 string.");
  67   return NS_ERROR_NOT_IMPLEMENTED;
  68 }
  69
  70 NS_IMETHODIMP_(bool)
  71 nsHtml5Atom::IsStaticAtom()
  72 {
  73   return false;
  74 }
  75
  76 NS_IMETHODIMP
  77 nsHtml5Atom::ScriptableEquals(const nsAString& aString, bool* aResult)
  78 {
  79   NS_NOTREACHED("Should not call ScriptableEquals.");
  80   return NS_ERROR_NOT_IMPLEMENTED;
  81 }
  82
  83 NS_IMETHODIMP_(bool)
  84 nsHtml5Atom::EqualsUTF8(const nsACString& aString)
  85 {
  86   NS_NOTREACHED("Should not attempt to compare with an UTF-8 string.");
  87   return false;
  88 }