gecko-dev/parser/html/nsHtml5Atom.cpp

90 lines
2.2 KiB
C++

/* 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();
nsRefPtr<nsStringBuffer> buf = nsStringBuffer::FromString(aString);
if (buf) {
mString = static_cast<char16_t*>(buf->Data());
} else {
buf = nsStringBuffer::Alloc((mLength + 1) * sizeof(char16_t));
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_(bool)
nsHtml5Atom::IsStaticAtom()
{
return false;
}
NS_IMETHODIMP
nsHtml5Atom::ScriptableEquals(const nsAString& aString, bool* aResult)
{
NS_NOTREACHED("Should not call ScriptableEquals.");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP_(bool)
nsHtml5Atom::EqualsUTF8(const nsACString& aString)
{
NS_NOTREACHED("Should not attempt to compare with an UTF-8 string.");
return false;
}