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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsHtml5Atom.h"
#include "nsAutoPtr.h"
#include "mozilla/Unused.h"
nsHtml5Atom::nsHtml5Atom(const nsAString& aString)
{
mLength = aString.Length();
mIsStatic = false;
RefPtr<nsStringBuffer> buf = nsStringBuffer::FromString(aString);
if (buf) {
mString = static_cast<char16_t*>(buf->Data());
} else {
const size_t size = (mLength + 1) * sizeof(char16_t);
buf = nsStringBuffer::Alloc(size);
if (MOZ_UNLIKELY(!buf)) {
// We OOM because atom allocations should be small and it's hard to
// handle them more gracefully in a constructor.
NS_ABORT_OOM(size);
}
mString = static_cast<char16_t*>(buf->Data());
CopyUnicodeTo(aString, 0, mString, mLength);
mString[mLength] = char16_t(0);
}
NS_ASSERTION(mString[mLength] == char16_t(0), "null terminated");
NS_ASSERTION(buf && buf->StorageSize() >= (mLength+1) * sizeof(char16_t),
"enough storage");
NS_ASSERTION(Equals(aString), "correct data");
// Take ownership of buffer
mozilla::Unused << buf.forget();
}
nsHtml5Atom::~nsHtml5Atom()
{
nsStringBuffer::FromData(mString)->Release();
}
NS_IMETHODIMP_(MozExternalRefCountType)
nsHtml5Atom::AddRef()
{
NS_NOTREACHED("Attempt to AddRef an nsHtml5Atom.");
return 2;
}
NS_IMETHODIMP_(MozExternalRefCountType)
nsHtml5Atom::Release()
{
NS_NOTREACHED("Attempt to Release an nsHtml5Atom.");
return 1;
}
NS_IMETHODIMP
nsHtml5Atom::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
NS_NOTREACHED("Attempt to call QueryInterface an nsHtml5Atom.");
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
nsHtml5Atom::ScriptableToString(nsAString& aBuf)
{
NS_NOTREACHED("Should not call ScriptableToString.");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsHtml5Atom::ToUTF8String(nsACString& aReturn)
{
NS_NOTREACHED("Should not attempt to convert to an UTF-8 string.");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsHtml5Atom::ScriptableEquals(const nsAString& aString, bool* aResult)
{
NS_NOTREACHED("Should not call ScriptableEquals.");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP_(size_t)
nsHtml5Atom::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
{
NS_NOTREACHED("Should not call SizeOfIncludingThis.");
return 0;
}
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