| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "link/Linkers.h" |
| |
| #include <algorithm> |
| |
| #include "ResourceTable.h" |
| |
| namespace aapt { |
| |
| namespace { |
| |
| /** |
| * Visits each xml Node, removing URI references and nested namespaces. |
| */ |
| class XmlVisitor : public xml::Visitor { |
| public: |
| explicit XmlVisitor(bool keep_uris) : keep_uris_(keep_uris) {} |
| |
| void Visit(xml::Element* el) override { |
| // Strip namespaces |
| for (auto& child : el->children) { |
| while (child && xml::NodeCast<xml::Namespace>(child.get())) { |
| if (child->children.empty()) { |
| child = {}; |
| } else { |
| child = std::move(child->children.front()); |
| child->parent = el; |
| } |
| } |
| } |
| el->children.erase( |
| std::remove_if(el->children.begin(), el->children.end(), |
| [](const std::unique_ptr<xml::Node>& child) -> bool { |
| return child == nullptr; |
| }), |
| el->children.end()); |
| |
| if (!keep_uris_) { |
| for (xml::Attribute& attr : el->attributes) { |
| attr.namespace_uri = std::string(); |
| } |
| el->namespace_uri = std::string(); |
| } |
| xml::Visitor::Visit(el); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(XmlVisitor); |
| |
| bool keep_uris_; |
| }; |
| |
| } // namespace |
| |
| bool XmlNamespaceRemover::Consume(IAaptContext* context, |
| xml::XmlResource* resource) { |
| if (!resource->root) { |
| return false; |
| } |
| // Replace any root namespaces until the root is a non-namespace node |
| while (xml::NodeCast<xml::Namespace>(resource->root.get())) { |
| if (resource->root->children.empty()) { |
| break; |
| } |
| resource->root = std::move(resource->root->children.front()); |
| resource->root->parent = nullptr; |
| } |
| XmlVisitor visitor(keep_uris_); |
| resource->root->Accept(&visitor); |
| return true; |
| } |
| |
| } // namespace aapt |