XmlDom.cpp revision 8780eb6e4918ae24fb1ae74d631042c32e41dc3d
175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski/* 275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * Copyright (C) 2015 The Android Open Source Project 375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * 475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * you may not use this file except in compliance with the License. 675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * You may obtain a copy of the License at 775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * 875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * 1075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * Unless required by applicable law or agreed to in writing, software 1175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 1275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * See the License for the specific language governing permissions and 1475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * limitations under the License. 1575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski */ 1675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 1775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski#include "XmlDom.h" 1875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 19467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski#include <expat.h> 20ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 2175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski#include <memory> 2275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski#include <stack> 2375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski#include <string> 2475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski#include <tuple> 2575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 26ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski#include "android-base/logging.h" 27ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 28d0f492db038c6210c1138865d816bfb134376538Adam Lesinski#include "ResourceUtils.h" 29ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski#include "XmlPullParser.h" 30ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski#include "util/Util.h" 31ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 32efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinskiusing ::aapt::io::InputStream; 33efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinskiusing ::android::StringPiece; 34efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinskiusing ::android::StringPiece16; 35d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski 3675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskinamespace aapt { 3775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskinamespace xml { 3875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 3975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskiconstexpr char kXmlNamespaceSep = 1; 4075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 4175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskistruct Stack { 426b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<xml::Element> root; 436b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::stack<xml::Element*> node_stack; 446b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<xml::Element> pending_element; 45ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::string pending_comment; 46ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski std::unique_ptr<xml::Text> last_text_node; 4775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski}; 4875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 496b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski// Extracts the namespace and name of an expanded element or attribute name. 506b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistatic void SplitName(const char* name, std::string* out_ns, std::string* out_name) { 51ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char* p = name; 52ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (*p != 0 && *p != kXmlNamespaceSep) { 53ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski p++; 54ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 55ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 56ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (*p == 0) { 57ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski out_ns->clear(); 58d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski out_name->assign(name); 59ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } else { 60d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski out_ns->assign(name, (p - name)); 61d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski out_name->assign(p + 1); 62ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 6375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 6475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 65ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinskistatic void FinishPendingText(Stack* stack) { 66ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski if (stack->last_text_node != nullptr) { 6748448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski if (!stack->last_text_node->text.empty()) { 686b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski CHECK(!stack->node_stack.empty()); 69ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->node_stack.top()->AppendChild(std::move(stack->last_text_node)); 70ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski } else { 71ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski // Drop an empty text node. 72ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski } 7348448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski stack->last_text_node = nullptr; 74ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski } 75ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski} 76ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski 776b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistatic void XMLCALL StartNamespaceHandler(void* user_data, const char* prefix, const char* uri) { 78ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 79ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 80ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 8175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 826b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski NamespaceDecl decl; 836b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decl.line_number = XML_GetCurrentLineNumber(parser); 846b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decl.column_number = XML_GetCurrentColumnNumber(parser); 856b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decl.prefix = prefix ? prefix : ""; 866b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decl.uri = uri ? uri : ""; 8775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 886b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (stack->pending_element == nullptr) { 896b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski stack->pending_element = util::make_unique<Element>(); 90ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 916b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski stack->pending_element->namespace_decls.push_back(std::move(decl)); 9275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 9375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 946b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistatic void XMLCALL EndNamespaceHandler(void* user_data, const char* /*prefix*/) { 95ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 96ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 97ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 9875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 9975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 100ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic bool less_attribute(const Attribute& lhs, const Attribute& rhs) { 101ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::tie(lhs.namespace_uri, lhs.name, lhs.value) < 102ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::tie(rhs.namespace_uri, rhs.name, rhs.value); 10375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 10475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 1056b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistatic void XMLCALL StartElementHandler(void* user_data, const char* name, const char** attrs) { 106ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 107ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 108ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 10975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 1106b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<Element> el; 1116b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (stack->pending_element != nullptr) { 1126b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el = std::move(stack->pending_element); 1136b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } else { 1146b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el = util::make_unique<Element>(); 1156b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 1166b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 1176b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->line_number = XML_GetCurrentLineNumber(parser); 1186b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->column_number = XML_GetCurrentColumnNumber(parser); 1196b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->comment = std::move(stack->pending_comment); 1206b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 121ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski SplitName(name, &el->namespace_uri, &el->name); 12275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 123ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (*attrs) { 124ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Attribute attribute; 125ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski SplitName(*attrs++, &attribute.namespace_uri, &attribute.name); 12648448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski attribute.value = *attrs++; 1276b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->attributes.push_back(std::move(attribute)); 128ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 12975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 1306b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski // Sort the attributes. 1316b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::sort(el->attributes.begin(), el->attributes.end(), less_attribute); 1326b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 1336b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski // Add to the stack. 1346b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski Element* this_el = el.get(); 1356b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (!stack->node_stack.empty()) { 1366b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski stack->node_stack.top()->AppendChild(std::move(el)); 1376b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } else { 1386b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski stack->root = std::move(el); 1396b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 1406b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski stack->node_stack.push(this_el); 14175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 14275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 143ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL EndElementHandler(void* user_data, const char* name) { 144ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 145ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 146ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 14775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 148ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(!stack->node_stack.empty()); 149ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // stack->nodeStack.top()->comment = std::move(stack->pendingComment); 150ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->node_stack.pop(); 15175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 15275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 153ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinskistatic void XMLCALL CharacterDataHandler(void* user_data, const char* s, int len) { 154ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 155ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 156ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 157ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski const StringPiece str(s, len); 158ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski if (str.empty()) { 159ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return; 160ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 161ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 162ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // See if we can just append the text to a previous text node. 163ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski if (stack->last_text_node != nullptr) { 16448448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski stack->last_text_node->text.append(str.data(), str.size()); 165ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski return; 166ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 16775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 168ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->last_text_node = util::make_unique<Text>(); 169ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->last_text_node->line_number = XML_GetCurrentLineNumber(parser); 170ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->last_text_node->column_number = XML_GetCurrentColumnNumber(parser); 17148448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski stack->last_text_node->text = str.to_string(); 17275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 17375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 174ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL CommentDataHandler(void* user_data, const char* comment) { 175ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 176ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 177ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 17875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 179ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!stack->pending_comment.empty()) { 180ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->pending_comment += '\n'; 181ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 182ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->pending_comment += comment; 18375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 18475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 185efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinskistd::unique_ptr<XmlResource> Inflate(InputStream* in, IDiagnostics* diag, const Source& source) { 186ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack stack; 187ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 188efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski std::unique_ptr<std::remove_pointer<XML_Parser>::type, decltype(XML_ParserFree)*> parser = { 189efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_ParserCreateNS(nullptr, kXmlNamespaceSep), XML_ParserFree}; 190efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_SetUserData(parser.get(), &stack); 191efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_UseParserAsHandlerArg(parser.get()); 192efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_SetElementHandler(parser.get(), StartElementHandler, EndElementHandler); 193efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_SetNamespaceDeclHandler(parser.get(), StartNamespaceHandler, EndNamespaceHandler); 194efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_SetCharacterDataHandler(parser.get(), CharacterDataHandler); 195efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski XML_SetCommentHandler(parser.get(), CommentDataHandler); 196efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski 197efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski const char* buffer = nullptr; 198efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski size_t buffer_size = 0; 199efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski while (in->Next(reinterpret_cast<const void**>(&buffer), &buffer_size)) { 200efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski if (XML_Parse(parser.get(), buffer, buffer_size, false) == XML_STATUS_ERROR) { 201efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski diag->Error(DiagMessage(source.WithLine(XML_GetCurrentLineNumber(parser.get()))) 202efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski << XML_ErrorString(XML_GetErrorCode(parser.get()))); 203efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski return {}; 2041ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski } 205ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 206ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 207efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski if (in->HadError()) { 208efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski diag->Error(DiagMessage(source) << in->GetError()); 209efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski return {}; 210efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski } else { 211efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski // Finish off the parsing. 212efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski if (XML_Parse(parser.get(), nullptr, 0u, true) == XML_STATUS_ERROR) { 213efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski diag->Error(DiagMessage(source.WithLine(XML_GetCurrentLineNumber(parser.get()))) 214efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski << XML_ErrorString(XML_GetErrorCode(parser.get()))); 215efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski return {}; 216efeb7af13be4446ce4a511a2ca707691e9a67c1eAdam Lesinski } 217ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 218004511660671511ae88e0e837a6f92db28eadaefAdam Lesinski return util::make_unique<XmlResource>(ResourceFile{{}, {}, ResourceFile::Type::kUnknown, source}, 219004511660671511ae88e0e837a6f92db28eadaefAdam Lesinski StringPool{}, std::move(stack.root)); 22075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 22175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 222d0f492db038c6210c1138865d816bfb134376538Adam Lesinskistatic void CopyAttributes(Element* el, android::ResXMLParser* parser, StringPool* out_pool) { 223ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const size_t attr_count = parser->getAttributeCount(); 224ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (attr_count > 0) { 225ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.reserve(attr_count); 226ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (size_t i = 0; i < attr_count; i++) { 227ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Attribute attr; 228ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 229ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = parser->getAttributeNamespace(i, &len); 230ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 231ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski attr.namespace_uri = util::Utf16ToUtf8(StringPiece16(str16, len)); 232ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 233ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 234ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = parser->getAttributeName(i, &len); 235ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 236ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski attr.name = util::Utf16ToUtf8(StringPiece16(str16, len)); 237ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 238ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 2394b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer uint32_t res_id = parser->getAttributeNameResID(i); 2404b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer if (res_id > 0) { 2414b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer attr.compiled_attribute = AaptAttribute(::aapt::Attribute(), {res_id}); 2424b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer } 2434b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer 244ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = parser->getAttributeStringValue(i, &len); 245ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 246ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski attr.value = util::Utf16ToUtf8(StringPiece16(str16, len)); 2474b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer } else { 2484b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer android::Res_value res_value; 2494b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer if (parser->getAttributeValue(i, &res_value) > 0) { 2504b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer attr.compiled_value = ResourceUtils::ParseBinaryResValue( 2514b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer ResourceType::kAnim, {}, parser->getStrings(), res_value, out_pool); 2524b8ca8be4d6b0e867f5a421197fa4b5d006fd311Shane Farmer } 253ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 254d0f492db038c6210c1138865d816bfb134376538Adam Lesinski 255d0f492db038c6210c1138865d816bfb134376538Adam Lesinski 256ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.push_back(std::move(attr)); 25775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 258ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 25975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 26075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 2618780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinskistd::unique_ptr<XmlResource> Inflate(const void* data, size_t len, std::string* out_error) { 262ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // We import the android namespace because on Windows NO_ERROR is a macro, not 2636b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski // an enum, which causes errors when qualifying it with android:: 264ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski using namespace android; 265803c7c807969bea1f1c50f348832f5b60ad05d8eAdam Lesinski 266d0f492db038c6210c1138865d816bfb134376538Adam Lesinski StringPool string_pool; 2676b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<Element> root; 2686b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::stack<Element*> node_stack; 2696b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<Element> pending_element; 27075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 271ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ResXMLTree tree; 2728780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski if (tree.setTo(data, len) != NO_ERROR) { 2738780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski if (out_error != nullptr) { 2748780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski *out_error = "failed to initialize ResXMLTree"; 2758780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski } 276ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return {}; 277ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 278ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 279ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ResXMLParser::event_code_t code; 2806b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski while ((code = tree.next()) != ResXMLParser::BAD_DOCUMENT && code != ResXMLParser::END_DOCUMENT) { 281ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Node> new_node; 282ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski switch (code) { 283ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::START_NAMESPACE: { 2846b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski NamespaceDecl decl; 2851ef0fa9d7242b1926543bc49e35905d1be02a781Adam Lesinski decl.line_number = tree.getLineNumber(); 2861ef0fa9d7242b1926543bc49e35905d1be02a781Adam Lesinski 287ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 288ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = tree.getNamespacePrefix(&len); 289ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 2906b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decl.prefix = util::Utf16ToUtf8(StringPiece16(str16, len)); 291ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 292ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 293ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = tree.getNamespaceUri(&len); 294ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 2956b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decl.uri = util::Utf16ToUtf8(StringPiece16(str16, len)); 2966b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 2976b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 2986b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (pending_element == nullptr) { 2996b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski pending_element = util::make_unique<Element>(); 300ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 3011ef0fa9d7242b1926543bc49e35905d1be02a781Adam Lesinski pending_element->namespace_decls.push_back(std::move(decl)); 302ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 303ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 304ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 305ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::START_TAG: { 3066b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<Element> el; 3076b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (pending_element != nullptr) { 3086b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el = std::move(pending_element); 3096b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } else { 3106b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el = util::make_unique<Element>(); 3116b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 3121ef0fa9d7242b1926543bc49e35905d1be02a781Adam Lesinski el->line_number = tree.getLineNumber(); 3136b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 314ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 315ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = tree.getElementNamespace(&len); 316ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 3176b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->namespace_uri = util::Utf16ToUtf8(StringPiece16(str16, len)); 318ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 31975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 320ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = tree.getElementName(&len); 321ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 3226b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->name = util::Utf16ToUtf8(StringPiece16(str16, len)); 32375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 32475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 3256b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski Element* this_el = el.get(); 3266b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski CopyAttributes(el.get(), &tree, &string_pool); 327ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 3286b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (!node_stack.empty()) { 3296b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski node_stack.top()->AppendChild(std::move(el)); 3306b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } else { 3316b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski root = std::move(el); 3326b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 3336b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski node_stack.push(this_el); 334ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 335ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 336ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 337ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::TEXT: { 3386b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::unique_ptr<Text> text = util::make_unique<Text>(); 3396b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski text->line_number = tree.getLineNumber(); 340ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 341ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = tree.getText(&len); 342ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 3436b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski text->text = util::Utf16ToUtf8(StringPiece16(str16, len)); 34475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 3456b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski CHECK(!node_stack.empty()); 3466b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski node_stack.top()->AppendChild(std::move(text)); 347ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 348ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 349ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 350ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::END_NAMESPACE: 3516b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski break; 3526b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 353ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::END_TAG: 354ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(!node_stack.empty()); 355ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node_stack.pop(); 356ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 357ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 358ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski default: 359ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski LOG(FATAL) << "unhandled XML chunk type"; 360ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 36175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 362ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 363ea134e08d70d156bdd17714d5f9ab9c44c91d4faAdam Lesinski return util::make_unique<XmlResource>(ResourceFile{}, std::move(string_pool), std::move(root)); 3645eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski} 3655eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 3668780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinskistd::unique_ptr<XmlResource> XmlResource::Clone() const { 3678780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski std::unique_ptr<XmlResource> cloned = util::make_unique<XmlResource>(file); 3688780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski if (root != nullptr) { 3698780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski cloned->root = root->CloneElement([&](const xml::Element& src, xml::Element* dst) { 3708780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski dst->attributes.reserve(src.attributes.size()); 3718780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski for (const xml::Attribute& attr : src.attributes) { 3728780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski xml::Attribute cloned_attr; 3738780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski cloned_attr.name = attr.name; 3748780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski cloned_attr.namespace_uri = attr.namespace_uri; 3758780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski cloned_attr.value = attr.value; 3768780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski cloned_attr.compiled_attribute = attr.compiled_attribute; 3778780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski if (attr.compiled_value != nullptr) { 3788780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski cloned_attr.compiled_value.reset(attr.compiled_value->Clone(&cloned->string_pool)); 3798780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski } 3808780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski dst->attributes.push_back(std::move(cloned_attr)); 3818780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski } 3828780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski }); 3838780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski } 3848780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski return cloned; 3858780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski} 3868780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski 387ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiElement* FindRootElement(Node* node) { 3886b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (node == nullptr) { 389ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return nullptr; 390ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 391ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 3926b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski while (node->parent != nullptr) { 3936b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski node = node->parent; 394ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 3956b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski return NodeCast<Element>(node); 396ca5638fd85098c3d0a699492751043545f75553aAdam Lesinski} 397ca5638fd85098c3d0a699492751043545f75553aAdam Lesinski 3986b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskivoid Element::AppendChild(std::unique_ptr<Node> child) { 399ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski child->parent = this; 400ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski children.push_back(std::move(child)); 40175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 40275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 4036b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskivoid Element::InsertChild(size_t index, std::unique_ptr<Node> child) { 404e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski child->parent = this; 405e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski children.insert(children.begin() + index, std::move(child)); 406e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski} 407e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski 4086b372991296c9f2bd6f8f8847dcd23d50970d06dAdam LesinskiAttribute* Element::FindAttribute(const StringPiece& ns, const StringPiece& name) { 4098780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski return const_cast<Attribute*>(static_cast<const Element*>(this)->FindAttribute(ns, name)); 41075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 41175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 412c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinskiconst Attribute* Element::FindAttribute(const StringPiece& ns, const StringPiece& name) const { 413c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski for (const auto& attr : attributes) { 414c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski if (ns == attr.namespace_uri && name == attr.name) { 415c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski return &attr; 416c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski } 417c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski } 418c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski return nullptr; 419c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski} 420c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski 421ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiElement* Element::FindChild(const StringPiece& ns, const StringPiece& name) { 422ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return FindChildWithAttribute(ns, name, {}, {}, {}); 42375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 42475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 4258780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinskiconst Element* Element::FindChild(const StringPiece& ns, const StringPiece& name) const { 4268780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski return FindChildWithAttribute(ns, name, {}, {}, {}); 4278780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski} 4288780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski 4296b372991296c9f2bd6f8f8847dcd23d50970d06dAdam LesinskiElement* Element::FindChildWithAttribute(const StringPiece& ns, const StringPiece& name, 4306b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski const StringPiece& attr_ns, const StringPiece& attr_name, 431ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& attr_value) { 4328780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski return const_cast<Element*>(static_cast<const Element*>(this)->FindChildWithAttribute( 4338780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski ns, name, attr_ns, attr_name, attr_value)); 4348780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski} 4358780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski 4368780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinskiconst Element* Element::FindChildWithAttribute(const StringPiece& ns, const StringPiece& name, 4378780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski const StringPiece& attr_ns, 4388780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski const StringPiece& attr_name, 4398780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski const StringPiece& attr_value) const { 4408780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski for (const auto& child : children) { 4418780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski if (const Element* el = NodeCast<Element>(child.get())) { 442ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (ns == el->namespace_uri && name == el->name) { 443ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (attr_ns.empty() && attr_name.empty()) { 444ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return el; 44575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 44675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 4478780eb6e4918ae24fb1ae74d631042c32e41dc3dAdam Lesinski const Attribute* attr = el->FindAttribute(attr_ns, attr_name); 448ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (attr && attr_value == attr->value) { 449ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return el; 45075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 451ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 45275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 453ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 454ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return nullptr; 45575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 45675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 457ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistd::vector<Element*> Element::GetChildElements() { 458ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::vector<Element*> elements; 459ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (auto& child_node : children) { 4606b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (Element* child = NodeCast<Element>(child_node.get())) { 4616b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski elements.push_back(child); 4625eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski } 463ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 464ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return elements; 4655eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski} 4665eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 4676b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistd::unique_ptr<Node> Element::Clone(const ElementCloneFunc& el_cloner) const { 468ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski auto el = util::make_unique<Element>(); 4696b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski el->namespace_decls = namespace_decls; 470ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->comment = comment; 471ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->line_number = line_number; 472ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->column_number = column_number; 473ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->name = name; 474ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->namespace_uri = namespace_uri; 475ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.reserve(attributes.size()); 476c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski el_cloner(*this, el.get()); 477ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->children.reserve(children.size()); 478ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (const std::unique_ptr<xml::Node>& child : children) { 479c744ae8aca97edfb2422598ea620e8219449fa9bAdam Lesinski el->AppendChild(child->Clone(el_cloner)); 480ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 481ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::move(el); 4825eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski} 4835eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 4846b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistd::unique_ptr<Element> Element::CloneElement(const ElementCloneFunc& el_cloner) const { 4856b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski return std::unique_ptr<Element>(static_cast<Element*>(Clone(el_cloner).release())); 4866b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski} 4876b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 4886b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskivoid Element::Accept(Visitor* visitor) { 4896b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski visitor->BeforeVisitElement(this); 4906b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski visitor->Visit(this); 4916b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski visitor->AfterVisitElement(this); 4926b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski} 4936b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 494d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinskivoid Element::Accept(ConstVisitor* visitor) const { 495d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski visitor->BeforeVisitElement(this); 496d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski visitor->Visit(this); 497d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski visitor->AfterVisitElement(this); 498d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski} 499d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski 5006b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskistd::unique_ptr<Node> Text::Clone(const ElementCloneFunc&) const { 501ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski auto t = util::make_unique<Text>(); 502ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->comment = comment; 503ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->line_number = line_number; 504ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->column_number = column_number; 505ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->text = text; 506ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::move(t); 507ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} 508467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 5096b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskivoid Text::Accept(Visitor* visitor) { 5106b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski visitor->Visit(this); 5116b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski} 512ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 513d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinskivoid Text::Accept(ConstVisitor* visitor) const { 514d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski visitor->Visit(this); 515d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski} 516d3ffa844f5a07756009f019e13806e253d1bb119Adam Lesinski 5176b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskivoid PackageAwareVisitor::BeforeVisitElement(Element* el) { 5186b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski std::vector<PackageDecl> decls; 5196b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski for (const NamespaceDecl& decl : el->namespace_decls) { 5206b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (Maybe<ExtractedPackage> maybe_package = ExtractPackageFromNamespace(decl.uri)) { 5216b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski decls.push_back(PackageDecl{decl.prefix, std::move(maybe_package.value())}); 5226b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 523ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 5246b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski package_decls_.push_back(std::move(decls)); 5256b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski} 5266b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski 5276b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinskivoid PackageAwareVisitor::AfterVisitElement(Element* el) { 5286b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski package_decls_.pop_back(); 529467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski} 530467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 5311ef0fa9d7242b1926543bc49e35905d1be02a781Adam LesinskiMaybe<ExtractedPackage> PackageAwareVisitor::TransformPackageAlias(const StringPiece& alias) const { 532ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (alias.empty()) { 5331ef0fa9d7242b1926543bc49e35905d1be02a781Adam Lesinski return ExtractedPackage{{}, false /*private*/}; 534ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 535ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 536ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const auto rend = package_decls_.rend(); 537ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (auto iter = package_decls_.rbegin(); iter != rend; ++iter) { 5386b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski const std::vector<PackageDecl>& decls = *iter; 5396b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski const auto rend2 = decls.rend(); 5406b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski for (auto iter2 = decls.rbegin(); iter2 != rend2; ++iter2) { 5416b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski const PackageDecl& decl = *iter2; 5426b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (alias == decl.prefix) { 5436b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski if (decl.package.package.empty()) { 5441ef0fa9d7242b1926543bc49e35905d1be02a781Adam Lesinski return ExtractedPackage{{}, decl.package.private_namespace}; 5456b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski } 5466b372991296c9f2bd6f8f8847dcd23d50970d06dAdam Lesinski return decl.package; 547ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 548ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 549ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 550ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return {}; 551467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski} 552467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 553ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} // namespace xml 554ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} // namespace aapt 555