The Tor Browser: parser/html/nsHtml5Atom.cpp@925c144e1f1f

     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/. */

     5 #include "nsHtml5Atom.h"

     6 #include "nsAutoPtr.h"

     7 #include "mozilla/unused.h"

     9 nsHtml5Atom::nsHtml5Atom(const nsAString& aString)

    10 {

    11   mLength = aString.Length();

    12   nsRefPtr<nsStringBuffer> buf = nsStringBuffer::FromString(aString);

    13   if (buf) {

    14     mString = static_cast<char16_t*>(buf->Data());

    15   } else {

    16     buf = nsStringBuffer::Alloc((mLength + 1) * sizeof(char16_t));

    17     mString = static_cast<char16_t*>(buf->Data());

    18     CopyUnicodeTo(aString, 0, mString, mLength);

    19     mString[mLength] = char16_t(0);

    20   }

    22   NS_ASSERTION(mString[mLength] == char16_t(0), "null terminated");

    23   NS_ASSERTION(buf && buf->StorageSize() >= (mLength+1) * sizeof(char16_t),

    24                "enough storage");

    25   NS_ASSERTION(Equals(aString), "correct data");

    27   // Take ownership of buffer

    28   mozilla::unused << buf.forget();

    29 }

    31 nsHtml5Atom::~nsHtml5Atom()

    32 {

    33   nsStringBuffer::FromData(mString)->Release();

    34 }

    36 NS_IMETHODIMP_(MozExternalRefCountType)

    37 nsHtml5Atom::AddRef()

    38 {

    39   NS_NOTREACHED("Attempt to AddRef an nsHtml5Atom.");

    40   return 2;

    41 }

    43 NS_IMETHODIMP_(MozExternalRefCountType)

    44 nsHtml5Atom::Release()

    45 {

    46   NS_NOTREACHED("Attempt to Release an nsHtml5Atom.");

    47   return 1;

    48 }

    50 NS_IMETHODIMP

    51 nsHtml5Atom::QueryInterface(REFNSIID aIID, void** aInstancePtr)

    52 {

    53   NS_NOTREACHED("Attempt to call QueryInterface an nsHtml5Atom.");

    54   return NS_ERROR_UNEXPECTED;

    55 }

    57 NS_IMETHODIMP

    58 nsHtml5Atom::ScriptableToString(nsAString& aBuf)

    59 {

    60   NS_NOTREACHED("Should not call ScriptableToString.");

    61   return NS_ERROR_NOT_IMPLEMENTED;

    62 }

    64 NS_IMETHODIMP

    65 nsHtml5Atom::ToUTF8String(nsACString& aReturn)

    66 {

    67   NS_NOTREACHED("Should not attempt to convert to an UTF-8 string.");

    68   return NS_ERROR_NOT_IMPLEMENTED;

    69 }

    71 NS_IMETHODIMP_(bool)

    72 nsHtml5Atom::IsStaticAtom()

    73 {

    74   return false;

    75 }

    77 NS_IMETHODIMP

    78 nsHtml5Atom::ScriptableEquals(const nsAString& aString, bool* aResult)

    79 {

    80   NS_NOTREACHED("Should not call ScriptableEquals.");

    81   return NS_ERROR_NOT_IMPLEMENTED;

    82 }

    84 NS_IMETHODIMP_(bool)

    85 nsHtml5Atom::EqualsUTF8(const nsACString& aString)

    86 {

    87   NS_NOTREACHED("Should not attempt to compare with an UTF-8 string.");

    88   return false;

    89 }

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