gecko-dev/dom/base/Comment.cpp

85 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
/*
* Implementations of DOM Core's nsIDOMComment node.
*/
#include "nsCOMPtr.h"
#include "mozilla/dom/Comment.h"
#include "mozilla/dom/CommentBinding.h"
#include "mozilla/IntegerPrintfMacros.h"
using namespace mozilla;
using namespace dom;
namespace mozilla {
namespace dom {
Comment::~Comment()
{
}
NS_IMPL_ISUPPORTS_INHERITED(Comment, nsGenericDOMDataNode, nsIDOMNode,
nsIDOMCharacterData, nsIDOMComment)
bool
Comment::IsNodeOfType(uint32_t aFlags) const
{
return !(aFlags & ~(eCONTENT | eCOMMENT | eDATA_NODE));
}
nsGenericDOMDataNode*
Comment::CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo, bool aCloneText) const
{
RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
Comment *it = new Comment(ni.forget());
if (it && aCloneText) {
it->mText = mText;
}
return it;
}
#ifdef DEBUG
void
Comment::List(FILE* out, int32_t aIndent) const
{
int32_t indx;
for (indx = aIndent; --indx >= 0; ) fputs(" ", out);
fprintf(out, "Comment@%p refcount=%" PRIuPTR "<!--", (void*)this, mRefCnt.get());
nsAutoString tmp;
ToCString(tmp, 0, mText.GetLength());
fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
fputs("-->\n", out);
}
#endif
/* static */ already_AddRefed<Comment>
Comment::Constructor(const GlobalObject& aGlobal,
const nsAString& aData, ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
if (!window || !window->GetDoc()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return window->GetDoc()->CreateComment(aData);
}
JSObject*
Comment::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return CommentBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla