1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "link/Linkers.h" 18 19 #include <algorithm> 20 21 #include "ResourceTable.h" 22 23 namespace aapt { 24 25 namespace { 26 27 // Visits each xml Node, removing URI references and nested namespaces. 28 class XmlVisitor : public xml::Visitor { 29 public: XmlVisitor(bool keep_uris)30 explicit XmlVisitor(bool keep_uris) : keep_uris_(keep_uris) {} 31 Visit(xml::Element * el)32 void Visit(xml::Element* el) override { 33 el->namespace_decls.clear(); 34 35 if (!keep_uris_) { 36 for (xml::Attribute& attr : el->attributes) { 37 attr.namespace_uri.clear(); 38 } 39 el->namespace_uri.clear(); 40 } 41 xml::Visitor::Visit(el); 42 } 43 44 private: 45 DISALLOW_COPY_AND_ASSIGN(XmlVisitor); 46 47 bool keep_uris_; 48 }; 49 50 } // namespace 51 Consume(IAaptContext * context,xml::XmlResource * resource)52bool XmlNamespaceRemover::Consume(IAaptContext* context, xml::XmlResource* resource) { 53 if (!resource->root) { 54 return false; 55 } 56 57 XmlVisitor visitor(keep_uris_); 58 resource->root->Accept(&visitor); 59 return true; 60 } 61 62 } // namespace aapt 63