зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
3.9 KiB
C++
115 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsGkAtoms.h"
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#include "nsUnicharUtils.h"
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#include "mozilla/dom/ProcessingInstruction.h"
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#include "mozilla/dom/ProcessingInstructionBinding.h"
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#include "mozilla/dom/XMLStylesheetProcessingInstruction.h"
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#include "mozilla/IntegerPrintfMacros.h"
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#include "nsContentUtils.h"
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already_AddRefed<mozilla::dom::ProcessingInstruction>
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NS_NewXMLProcessingInstruction(nsNodeInfoManager* aNodeInfoManager,
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const nsAString& aTarget,
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const nsAString& aData) {
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using mozilla::dom::ProcessingInstruction;
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using mozilla::dom::XMLStylesheetProcessingInstruction;
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MOZ_ASSERT(aNodeInfoManager, "Missing nodeinfo manager");
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RefPtr<nsAtom> target = NS_Atomize(aTarget);
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MOZ_ASSERT(target);
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if (target == nsGkAtoms::xml_stylesheet) {
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RefPtr<XMLStylesheetProcessingInstruction> pi =
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new XMLStylesheetProcessingInstruction(aNodeInfoManager, aData);
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return pi.forget();
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}
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RefPtr<mozilla::dom::NodeInfo> ni;
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ni = aNodeInfoManager->GetNodeInfo(
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nsGkAtoms::processingInstructionTagName, nullptr, kNameSpaceID_None,
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nsINode::PROCESSING_INSTRUCTION_NODE, target);
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RefPtr<ProcessingInstruction> instance =
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new ProcessingInstruction(ni.forget(), aData);
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return instance.forget();
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}
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namespace mozilla {
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namespace dom {
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ProcessingInstruction::ProcessingInstruction(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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const nsAString& aData)
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: CharacterData(std::move(aNodeInfo)) {
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MOZ_ASSERT(mNodeInfo->NodeType() == nsINode::PROCESSING_INSTRUCTION_NODE,
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"Bad NodeType in aNodeInfo");
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SetTextInternal(0, mText.GetLength(), aData.BeginReading(), aData.Length(),
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false); // Don't notify (bug 420429).
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}
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ProcessingInstruction::~ProcessingInstruction() {}
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// If you add nsIStyleSheetLinkingElement here, make sure we actually
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// implement the nsStyleLinkElement methods.
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NS_IMPL_ISUPPORTS_INHERITED0(ProcessingInstruction, CharacterData)
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JSObject* ProcessingInstruction::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return ProcessingInstruction_Binding::Wrap(aCx, this, aGivenProto);
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}
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bool ProcessingInstruction::GetAttrValue(nsAtom* aName, nsAString& aValue) {
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nsAutoString data;
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GetData(data);
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return nsContentUtils::GetPseudoAttributeValue(data, aName, aValue);
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}
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already_AddRefed<CharacterData> ProcessingInstruction::CloneDataNode(
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mozilla::dom::NodeInfo* aNodeInfo, bool aCloneText) const {
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nsAutoString data;
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GetData(data);
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RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
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return do_AddRef(new ProcessingInstruction(ni.forget(), data));
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}
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Maybe<nsStyleLinkElement::SheetInfo>
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ProcessingInstruction::GetStyleSheetInfo() {
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MOZ_ASSERT_UNREACHABLE(
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"XMLStylesheetProcessingInstruction should override "
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"this and we don't try to do stylesheet stuff. In "
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"particular, we do not implement "
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"nsIStyleSheetLinkingElement");
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return Nothing();
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}
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#ifdef DEBUG
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void ProcessingInstruction::List(FILE* out, int32_t aIndent) const {
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int32_t index;
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for (index = aIndent; --index >= 0;) fputs(" ", out);
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fprintf(out, "Processing instruction refcount=%" PRIuPTR "<", mRefCnt.get());
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nsAutoString tmp;
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ToCString(tmp, 0, mText.GetLength());
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tmp.Insert(nsDependentAtomString(NodeInfo()->GetExtraName()).get(), 0);
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fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
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fputs(">\n", out);
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}
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void ProcessingInstruction::DumpContent(FILE* out, int32_t aIndent,
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bool aDumpAll) const {}
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#endif
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} // namespace dom
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} // namespace mozilla
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