| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "third_party/blink/renderer/core/dom/document_fragment.h" |
| |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/document_part_root.h" |
| #include "third_party/blink/renderer/core/dom/node_cloning_data.h" |
| #include "third_party/blink/renderer/core/dom/part_root.h" |
| #include "third_party/blink/renderer/core/dom/tree_scope.h" |
| #include "third_party/blink/renderer/core/execution_context/agent.h" |
| #include "third_party/blink/renderer/core/html/parser/html_document_parser.h" |
| #include "third_party/blink/renderer/core/xml/parser/xml_document_parser.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/bindings/runtime_call_stats.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| |
| namespace blink { |
| |
| DocumentFragment::DocumentFragment(Document* document, |
| ConstructionType construction_type) |
| : ContainerNode(document, construction_type) {} |
| |
| DocumentFragment* DocumentFragment::Create(Document& document) { |
| return MakeGarbageCollected<DocumentFragment>(&document, |
| Node::kCreateDocumentFragment); |
| } |
| |
| String DocumentFragment::nodeName() const { |
| return "#document-fragment"; |
| } |
| |
| bool DocumentFragment::ChildTypeAllowed(NodeType type) const { |
| switch (type) { |
| case kElementNode: |
| case kProcessingInstructionNode: |
| case kCommentNode: |
| case kTextNode: |
| case kCdataSectionNode: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| Node* DocumentFragment::Clone(Document& factory, |
| NodeCloningData& data, |
| ContainerNode* append_to, |
| ExceptionState&) const { |
| DCHECK_EQ(append_to, nullptr) |
| << "DocumentFragment::Clone() doesn't support append_to"; |
| DocumentFragment* clone = Create(factory); |
| DocumentPartRoot* part_root = nullptr; |
| if (data.Has(CloneOption::kPreserveDOMParts)) { |
| DCHECK(RuntimeEnabledFeatures::DOMPartsAPIEnabled()); |
| part_root = &clone->getPartRoot(); |
| data.PushPartRoot(*part_root); |
| } |
| PartRoot::CloneParts(*this, *clone, data); |
| if (data.Has(CloneOption::kIncludeDescendants)) { |
| clone->CloneChildNodesFrom(*this, data); |
| } |
| DCHECK(!part_root || &data.CurrentPartRoot() == part_root); |
| return clone; |
| } |
| |
| void DocumentFragment::ParseHTML(const String& source, |
| Element* context_element, |
| ParserContentPolicy parser_content_policy) { |
| RUNTIME_CALL_TIMER_SCOPE( |
| GetDocument().GetAgent().isolate(), |
| RuntimeCallStats::CounterId::kDocumentFragmentParseHTML); |
| HTMLDocumentParser::ParseDocumentFragment(source, this, context_element, |
| parser_content_policy); |
| } |
| |
| bool DocumentFragment::ParseXML(const String& source, |
| Element* context_element, |
| ParserContentPolicy parser_content_policy, |
| ExceptionState* exception_state) { |
| return XMLDocumentParser::ParseDocumentFragment( |
| source, this, context_element, parser_content_policy, exception_state); |
| } |
| |
| void DocumentFragment::Trace(Visitor* visitor) const { |
| visitor->Trace(document_part_root_); |
| ContainerNode::Trace(visitor); |
| } |
| |
| DocumentPartRoot& DocumentFragment::getPartRoot() { |
| CHECK(RuntimeEnabledFeatures::DOMPartsAPIEnabled()); |
| if (!document_part_root_) { |
| document_part_root_ = MakeGarbageCollected<DocumentPartRoot>(*this); |
| // We use the existence of the Document's part root to signal the existence |
| // of Parts. So retrieve it here. |
| GetDocument().getPartRoot(); |
| } |
| return *document_part_root_; |
| } |
| |
| } // namespace blink |