diff options
Diffstat (limited to 'dom/xml/ProcessingInstruction.cpp')
-rw-r--r-- | dom/xml/ProcessingInstruction.cpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/dom/xml/ProcessingInstruction.cpp b/dom/xml/ProcessingInstruction.cpp new file mode 100644 index 0000000000..f404697ae1 --- /dev/null +++ b/dom/xml/ProcessingInstruction.cpp @@ -0,0 +1,109 @@ +/* -*- 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/. */ + +#include "nsGkAtoms.h" +#include "nsUnicharUtils.h" +#include "mozilla/dom/LinkStyle.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; + + MOZ_ASSERT(aNodeInfoManager, "Missing nodeinfo manager"); + + RefPtr<nsAtom> target = NS_Atomize(aTarget); + MOZ_ASSERT(target); + + if (target == nsGkAtoms::xml_stylesheet) { + RefPtr<XMLStylesheetProcessingInstruction> pi = new (aNodeInfoManager) + XMLStylesheetProcessingInstruction(aNodeInfoManager, aData); + return pi.forget(); + } + + RefPtr<mozilla::dom::NodeInfo> ni; + ni = aNodeInfoManager->GetNodeInfo( + nsGkAtoms::processingInstructionTagName, nullptr, kNameSpaceID_None, + nsINode::PROCESSING_INSTRUCTION_NODE, target); + + RefPtr<ProcessingInstruction> instance = + new (aNodeInfoManager) ProcessingInstruction(ni.forget(), aData); + + return instance.forget(); +} + +namespace mozilla { +namespace dom { + +ProcessingInstruction::ProcessingInstruction( + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, + const nsAString& aData) + : CharacterData(std::move(aNodeInfo)) { + MOZ_ASSERT(mNodeInfo->NodeType() == nsINode::PROCESSING_INSTRUCTION_NODE, + "Bad NodeType in aNodeInfo"); + + SetTextInternal(0, mText.GetLength(), aData.BeginReading(), aData.Length(), + false); // Don't notify (bug 420429). +} + +ProcessingInstruction::~ProcessingInstruction() = default; + +StyleSheet* ProcessingInstruction::GetSheetForBindings() const { + if (const auto* linkStyle = LinkStyle::FromNode(*this)) { + return linkStyle->GetSheetForBindings(); + } + return nullptr; +} + +JSObject* ProcessingInstruction::WrapNode(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return ProcessingInstruction_Binding::Wrap(aCx, this, aGivenProto); +} + +bool ProcessingInstruction::GetAttrValue(nsAtom* aName, nsAString& aValue) { + nsAutoString data; + + GetData(data); + return nsContentUtils::GetPseudoAttributeValue(data, aName, aValue); +} + +already_AddRefed<CharacterData> ProcessingInstruction::CloneDataNode( + mozilla::dom::NodeInfo* aNodeInfo, bool aCloneText) const { + nsAutoString data; + GetData(data); + RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo; + auto* nim = ni->NodeInfoManager(); + return do_AddRef(new (nim) 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 |