gecko-dev/dom/xml/ProcessingInstruction.cpp

133 строки
3.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsGkAtoms.h"
#include "nsUnicharUtils.h"
#include "mozilla/dom/ProcessingInstruction.h"
#include "mozilla/dom/ProcessingInstructionBinding.h"
#include "mozilla/dom/XMLStylesheetProcessingInstruction.h"
#include "mozilla/IntegerPrintfMacros.h"
#include "nsContentUtils.h"
already_AddRefed<mozilla::dom::ProcessingInstruction>
NS_NewXMLProcessingInstruction(nsNodeInfoManager *aNodeInfoManager,
const nsAString& aTarget,
const nsAString& aData)
{
using mozilla::dom::ProcessingInstruction;
using mozilla::dom::XMLStylesheetProcessingInstruction;
NS_PRECONDITION(aNodeInfoManager, "Missing nodeinfo manager");
nsCOMPtr<nsIAtom> target = do_GetAtom(aTarget);
MOZ_ASSERT(target);
if (target == nsGkAtoms::xml_stylesheet) {
nsRefPtr<XMLStylesheetProcessingInstruction> pi =
new XMLStylesheetProcessingInstruction(aNodeInfoManager, aData);
return pi.forget();
}
nsRefPtr<mozilla::dom::NodeInfo> ni;
ni = aNodeInfoManager->GetNodeInfo(nsGkAtoms::processingInstructionTagName,
nullptr, kNameSpaceID_None,
nsIDOMNode::PROCESSING_INSTRUCTION_NODE,
target);
nsRefPtr<ProcessingInstruction> instance =
new ProcessingInstruction(ni.forget(), aData);
return instance.forget();
}
namespace mozilla {
namespace dom {
ProcessingInstruction::ProcessingInstruction(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
const nsAString& aData)
: nsGenericDOMDataNode(Move(aNodeInfo))
{
MOZ_ASSERT(mNodeInfo->NodeType() == nsIDOMNode::PROCESSING_INSTRUCTION_NODE,
"Bad NodeType in aNodeInfo");
SetTextInternal(0, mText.GetLength(),
aData.BeginReading(), aData.Length(),
false); // Don't notify (bug 420429).
}
ProcessingInstruction::~ProcessingInstruction()
{
}
NS_IMPL_ISUPPORTS_INHERITED(ProcessingInstruction, nsGenericDOMDataNode,
nsIDOMNode, nsIDOMCharacterData,
nsIDOMProcessingInstruction)
JSObject*
ProcessingInstruction::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return ProcessingInstructionBinding::Wrap(aCx, this, aGivenProto);
}
NS_IMETHODIMP
ProcessingInstruction::GetTarget(nsAString& aTarget)
{
aTarget = NodeName();
return NS_OK;
}
bool
ProcessingInstruction::GetAttrValue(nsIAtom *aName, nsAString& aValue)
{
nsAutoString data;
GetData(data);
return nsContentUtils::GetPseudoAttributeValue(data, aName, aValue);
}
bool
ProcessingInstruction::IsNodeOfType(uint32_t aFlags) const
{
return !(aFlags & ~(eCONTENT | ePROCESSING_INSTRUCTION | eDATA_NODE));
}
nsGenericDOMDataNode*
ProcessingInstruction::CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo,
bool aCloneText) const
{
nsAutoString data;
nsGenericDOMDataNode::GetData(data);
nsRefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
return new ProcessingInstruction(ni.forget(), data);
}
#ifdef DEBUG
void
ProcessingInstruction::List(FILE* out, int32_t aIndent) const
{
int32_t index;
for (index = aIndent; --index >= 0; ) fputs(" ", out);
fprintf(out, "Processing instruction refcount=%" PRIuPTR "<", mRefCnt.get());
nsAutoString tmp;
ToCString(tmp, 0, mText.GetLength());
tmp.Insert(nsDependentAtomString(NodeInfo()->GetExtraName()).get(), 0);
fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
fputs(">\n", out);
}
void
ProcessingInstruction::DumpContent(FILE* out, int32_t aIndent,
bool aDumpAll) const
{
}
#endif
} // namespace dom
} // namespace mozilla