XmlDom.cpp revision 48448e8a310e72eb2846ad0f86672ce4f0b47e47
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 32d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinskiusing android::StringPiece; 33d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinskiusing android::StringPiece16; 34d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski 3575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskinamespace aapt { 3675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskinamespace xml { 3775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 3875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskiconstexpr char kXmlNamespaceSep = 1; 3975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 4075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinskistruct Stack { 41ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<xml::Node> root; 42ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::stack<xml::Node*> node_stack; 43ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::string pending_comment; 44ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski std::unique_ptr<xml::Text> last_text_node; 4575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski}; 4675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 4775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski/** 4875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski * Extracts the namespace and name of an expanded element or attribute name. 4975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski */ 50ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void SplitName(const char* name, std::string* out_ns, 51ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::string* out_name) { 52ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char* p = name; 53ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (*p != 0 && *p != kXmlNamespaceSep) { 54ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski p++; 55ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 56ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 57ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (*p == 0) { 58ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski out_ns->clear(); 59d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski out_name->assign(name); 60ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } else { 61d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski out_ns->assign(name, (p - name)); 62d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski out_name->assign(p + 1); 63ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 6475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 6575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 66ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinskistatic void FinishPendingText(Stack* stack) { 67ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski if (stack->last_text_node != nullptr) { 6848448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski if (!stack->last_text_node->text.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 77ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void AddToStack(Stack* stack, XML_Parser parser, 78ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Node> node) { 79ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->line_number = XML_GetCurrentLineNumber(parser); 80ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->column_number = XML_GetCurrentColumnNumber(parser); 81ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 82ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Node* this_node = node.get(); 83ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!stack->node_stack.empty()) { 84e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski stack->node_stack.top()->AppendChild(std::move(node)); 85ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } else { 86ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->root = std::move(node); 87ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 88ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 89ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!NodeCast<Text>(this_node)) { 90ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->node_stack.push(this_node); 91ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 9275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 9375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 94ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL StartNamespaceHandler(void* user_data, const char* prefix, 95ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char* uri) { 96ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 97ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 98ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 9975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 100ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Namespace> ns = util::make_unique<Namespace>(); 101ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (prefix) { 102d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski ns->namespace_prefix = prefix; 103ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 10475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 105ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (uri) { 106d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski ns->namespace_uri = uri; 107ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 10875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 109ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski AddToStack(stack, parser, std::move(ns)); 11075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 11175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 112ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL EndNamespaceHandler(void* user_data, const char* prefix) { 113ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 114ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 115ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 11675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 117ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(!stack->node_stack.empty()); 118ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->node_stack.pop(); 11975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 12075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 121ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic bool less_attribute(const Attribute& lhs, const Attribute& rhs) { 122ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::tie(lhs.namespace_uri, lhs.name, lhs.value) < 123ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::tie(rhs.namespace_uri, rhs.name, rhs.value); 12475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 12575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 126ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL StartElementHandler(void* user_data, const char* name, 127ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char** attrs) { 128ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 129ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 130ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 13175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 132ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Element> el = util::make_unique<Element>(); 133ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski SplitName(name, &el->namespace_uri, &el->name); 13475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 135ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (*attrs) { 136ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Attribute attribute; 137ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski SplitName(*attrs++, &attribute.namespace_uri, &attribute.name); 13848448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski attribute.value = *attrs++; 13975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 140ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // Insert in sorted order. 14148448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski auto iter = std::lower_bound(el->attributes.begin(), el->attributes.end(), attribute, 14248448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski less_attribute); 143ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.insert(iter, std::move(attribute)); 144ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 14575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 146ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->comment = std::move(stack->pending_comment); 147ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski AddToStack(stack, parser, std::move(el)); 14875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 14975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 150ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL EndElementHandler(void* user_data, const char* name) { 151ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 152ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 153ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 15475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 155ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(!stack->node_stack.empty()); 156ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // stack->nodeStack.top()->comment = std::move(stack->pendingComment); 157ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->node_stack.pop(); 15875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 15975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 160ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinskistatic void XMLCALL CharacterDataHandler(void* user_data, const char* s, int len) { 161ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 162ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 163ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 164ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski const StringPiece str(s, len); 165ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski if (str.empty()) { 166ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return; 167ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 168ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 169ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // See if we can just append the text to a previous text node. 170ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski if (stack->last_text_node != nullptr) { 17148448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski stack->last_text_node->text.append(str.data(), str.size()); 172ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski return; 173ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 17475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 175ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->last_text_node = util::make_unique<Text>(); 176ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->last_text_node->line_number = XML_GetCurrentLineNumber(parser); 177ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski stack->last_text_node->column_number = XML_GetCurrentColumnNumber(parser); 17848448e8a310e72eb2846ad0f86672ce4f0b47e47Adam Lesinski stack->last_text_node->text = str.to_string(); 17975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 18075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 181ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistatic void XMLCALL CommentDataHandler(void* user_data, const char* comment) { 182ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = reinterpret_cast<XML_Parser>(user_data); 183ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser)); 184ac6edc501b61e14e3b70ccbbd4d8ed112d92b96cAdam Lesinski FinishPendingText(stack); 18575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 186ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!stack->pending_comment.empty()) { 187ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->pending_comment += '\n'; 188ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 189ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack->pending_comment += comment; 19075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 19175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 192d0f492db038c6210c1138865d816bfb134376538Adam Lesinskistd::unique_ptr<XmlResource> Inflate(std::istream* in, IDiagnostics* diag, const Source& source) { 193ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Stack stack; 194ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 195ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_Parser parser = XML_ParserCreateNS(nullptr, kXmlNamespaceSep); 196ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_SetUserData(parser, &stack); 197ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_UseParserAsHandlerArg(parser); 198ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_SetElementHandler(parser, StartElementHandler, EndElementHandler); 199d0f492db038c6210c1138865d816bfb134376538Adam Lesinski XML_SetNamespaceDeclHandler(parser, StartNamespaceHandler, EndNamespaceHandler); 200ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_SetCharacterDataHandler(parser, CharacterDataHandler); 201ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_SetCommentHandler(parser, CommentDataHandler); 202ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 203ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski char buffer[1024]; 204ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (!in->eof()) { 205ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski in->read(buffer, sizeof(buffer) / sizeof(buffer[0])); 206ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (in->bad() && !in->eof()) { 207ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack.root = {}; 208ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski diag->Error(DiagMessage(source) << strerror(errno)); 209ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 21075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 21175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 212d0f492db038c6210c1138865d816bfb134376538Adam Lesinski if (XML_Parse(parser, buffer, in->gcount(), in->eof()) == XML_STATUS_ERROR) { 213ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski stack.root = {}; 214ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski diag->Error(DiagMessage(source.WithLine(XML_GetCurrentLineNumber(parser))) 215ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski << XML_ErrorString(XML_GetErrorCode(parser))); 216ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 2171ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski } 218ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 219ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 220ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski XML_ParserFree(parser); 221ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (stack.root) { 222ea134e08d70d156bdd17714d5f9ab9c44c91d4faAdam Lesinski return util::make_unique<XmlResource>(ResourceFile{{}, {}, source}, StringPool{}, 223ea134e08d70d156bdd17714d5f9ab9c44c91d4faAdam Lesinski std::move(stack.root)); 224ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 225ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return {}; 22675f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 22775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 228d0f492db038c6210c1138865d816bfb134376538Adam Lesinskistatic void CopyAttributes(Element* el, android::ResXMLParser* parser, StringPool* out_pool) { 229ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const size_t attr_count = parser->getAttributeCount(); 230ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (attr_count > 0) { 231ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.reserve(attr_count); 232ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (size_t i = 0; i < attr_count; i++) { 233ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Attribute attr; 234ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 235ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = parser->getAttributeNamespace(i, &len); 236ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 237ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski attr.namespace_uri = util::Utf16ToUtf8(StringPiece16(str16, len)); 238ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 239ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 240ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = parser->getAttributeName(i, &len); 241ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 242ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski attr.name = util::Utf16ToUtf8(StringPiece16(str16, len)); 243ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 244ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 245ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = parser->getAttributeStringValue(i, &len); 246ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 247ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski attr.value = util::Utf16ToUtf8(StringPiece16(str16, len)); 248ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 249d0f492db038c6210c1138865d816bfb134376538Adam Lesinski 250d0f492db038c6210c1138865d816bfb134376538Adam Lesinski android::Res_value res_value; 251d0f492db038c6210c1138865d816bfb134376538Adam Lesinski if (parser->getAttributeValue(i, &res_value) > 0) { 252d0f492db038c6210c1138865d816bfb134376538Adam Lesinski attr.compiled_value = ResourceUtils::ParseBinaryResValue( 253d0f492db038c6210c1138865d816bfb134376538Adam Lesinski ResourceType::kAnim, {}, parser->getStrings(), res_value, out_pool); 254d0f492db038c6210c1138865d816bfb134376538Adam Lesinski } 255d0f492db038c6210c1138865d816bfb134376538Adam Lesinski 256ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.push_back(std::move(attr)); 25775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 258ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 25975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 26075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 261d0f492db038c6210c1138865d816bfb134376538Adam Lesinskistd::unique_ptr<XmlResource> Inflate(const void* data, size_t data_len, IDiagnostics* diag, 262d0f492db038c6210c1138865d816bfb134376538Adam Lesinski const Source& source) { 263ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // We import the android namespace because on Windows NO_ERROR is a macro, not 264ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // an enum, which 265ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // causes errors when qualifying it with android:: 266ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski using namespace android; 267803c7c807969bea1f1c50f348832f5b60ad05d8eAdam Lesinski 268d0f492db038c6210c1138865d816bfb134376538Adam Lesinski StringPool string_pool; 269ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Node> root; 270ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::stack<Node*> node_stack; 27175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 272ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ResXMLTree tree; 273ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (tree.setTo(data, data_len) != NO_ERROR) { 274ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return {}; 275ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 276ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 277ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ResXMLParser::event_code_t code; 278ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while ((code = tree.next()) != ResXMLParser::BAD_DOCUMENT && 279ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski code != ResXMLParser::END_DOCUMENT) { 280ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Node> new_node; 281ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski switch (code) { 282ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::START_NAMESPACE: { 283ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Namespace> node = util::make_unique<Namespace>(); 284ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 285ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = tree.getNamespacePrefix(&len); 286ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 287ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->namespace_prefix = util::Utf16ToUtf8(StringPiece16(str16, len)); 288ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 289ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 290ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = tree.getNamespaceUri(&len); 291ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 292ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->namespace_uri = util::Utf16ToUtf8(StringPiece16(str16, len)); 293ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 294ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski new_node = std::move(node); 295ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 296ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 297ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 298ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::START_TAG: { 299ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Element> node = util::make_unique<Element>(); 300ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 301ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = tree.getElementNamespace(&len); 302ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 303ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->namespace_uri = util::Utf16ToUtf8(StringPiece16(str16, len)); 304ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 30575f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 306ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski str16 = tree.getElementName(&len); 307ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 308ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->name = util::Utf16ToUtf8(StringPiece16(str16, len)); 30975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 31075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 311d0f492db038c6210c1138865d816bfb134376538Adam Lesinski CopyAttributes(node.get(), &tree, &string_pool); 312ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 313ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski new_node = std::move(node); 314ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 315ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 316ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 317ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::TEXT: { 318ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::unique_ptr<Text> node = util::make_unique<Text>(); 319ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski size_t len; 320ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const char16_t* str16 = tree.getText(&len); 321ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (str16) { 322ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node->text = util::Utf16ToUtf8(StringPiece16(str16, len)); 32375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 324ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski new_node = std::move(node); 325ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 326ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 327ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 328ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::END_NAMESPACE: 329ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski case ResXMLParser::END_TAG: 330ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(!node_stack.empty()); 331ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node_stack.pop(); 332ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 333ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 334ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski default: 335ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski LOG(FATAL) << "unhandled XML chunk type"; 336ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 33775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 33875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 339ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (new_node) { 340ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski new_node->line_number = tree.getLineNumber(); 341ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 342ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Node* this_node = new_node.get(); 343ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!root) { 344ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(node_stack.empty()) << "node stack should be empty"; 345ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski root = std::move(new_node); 346ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } else { 347ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski CHECK(!node_stack.empty()) << "node stack should not be empty"; 348e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski node_stack.top()->AppendChild(std::move(new_node)); 349ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 350ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 351ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!NodeCast<Text>(this_node)) { 352ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node_stack.push(this_node); 353ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 3545eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski } 355ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 356ea134e08d70d156bdd17714d5f9ab9c44c91d4faAdam Lesinski return util::make_unique<XmlResource>(ResourceFile{}, std::move(string_pool), std::move(root)); 3575eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski} 3585eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 359ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistd::unique_ptr<Node> Namespace::Clone() { 360ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski auto ns = util::make_unique<Namespace>(); 361ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ns->comment = comment; 362ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ns->line_number = line_number; 363ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ns->column_number = column_number; 364ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ns->namespace_prefix = namespace_prefix; 365ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ns->namespace_uri = namespace_uri; 366ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 367ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ns->children.reserve(children.size()); 368ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (const std::unique_ptr<xml::Node>& child : children) { 369e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski ns->AppendChild(child->Clone()); 370ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 371ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::move(ns); 372467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski} 373467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 374ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiElement* FindRootElement(XmlResource* doc) { 375ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return FindRootElement(doc->root.get()); 376ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} 377ca5638fd85098c3d0a699492751043545f75553aAdam Lesinski 378ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiElement* FindRootElement(Node* node) { 379ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (!node) { 380ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return nullptr; 381ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 382ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 383ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Element* el = nullptr; 384ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while ((el = NodeCast<Element>(node)) == nullptr) { 385ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (node->children.empty()) { 386ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return nullptr; 387ca5638fd85098c3d0a699492751043545f75553aAdam Lesinski } 388ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // We are looking for the first element, and namespaces can only have one 389ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // child. 390ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski node = node->children.front().get(); 391ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 392ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return el; 393ca5638fd85098c3d0a699492751043545f75553aAdam Lesinski} 394ca5638fd85098c3d0a699492751043545f75553aAdam Lesinski 395e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinskivoid Node::AppendChild(std::unique_ptr<Node> child) { 396ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski child->parent = this; 397ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski children.push_back(std::move(child)); 39875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 39975f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 400e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinskivoid Node::InsertChild(size_t index, std::unique_ptr<Node> child) { 401e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski child->parent = this; 402e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski children.insert(children.begin() + index, std::move(child)); 403e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski} 404e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski 405ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiAttribute* Element::FindAttribute(const StringPiece& ns, 406ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& name) { 407ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (auto& attr : attributes) { 408ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (ns == attr.namespace_uri && name == attr.name) { 409ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return &attr; 41075f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 411ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 412ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return nullptr; 41375f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 41475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 415ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiElement* Element::FindChild(const StringPiece& ns, const StringPiece& name) { 416ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return FindChildWithAttribute(ns, name, {}, {}, {}); 41775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 41875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 419ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiElement* Element::FindChildWithAttribute(const StringPiece& ns, 420ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& name, 421ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& attr_ns, 422ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& attr_name, 423ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& attr_value) { 424ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (auto& child_node : children) { 425ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Node* child = child_node.get(); 426ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (NodeCast<Namespace>(child)) { 427ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (child->children.empty()) { 428ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 429ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 430ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski child = child->children[0].get(); 43175f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 43275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 433ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (Element* el = NodeCast<Element>(child)) { 434ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (ns == el->namespace_uri && name == el->name) { 435ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (attr_ns.empty() && attr_name.empty()) { 436ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return el; 43775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 43875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 439ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Attribute* attr = el->FindAttribute(attr_ns, attr_name); 440ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (attr && attr_value == attr->value) { 441ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return el; 44275f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 443ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 44475f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski } 445ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 446ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return nullptr; 44775f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski} 44875f3a55cc569a9b61f540a85d9828e91bdca5047Adam Lesinski 449ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistd::vector<Element*> Element::GetChildElements() { 450ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski std::vector<Element*> elements; 451ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (auto& child_node : children) { 452ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Node* child = child_node.get(); 453ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski while (NodeCast<Namespace>(child)) { 454ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (child->children.empty()) { 455ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski break; 456ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 457ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski child = child->children[0].get(); 4585eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski } 4595eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 460ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (Element* el = NodeCast<Element>(child)) { 461ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski elements.push_back(el); 4625eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski } 463ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 464ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return elements; 4655eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski} 4665eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 467ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistd::unique_ptr<Node> Element::Clone() { 468ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski auto el = util::make_unique<Element>(); 469ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->comment = comment; 470ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->line_number = line_number; 471ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->column_number = column_number; 472ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->name = name; 473ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->namespace_uri = namespace_uri; 474ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 475ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.reserve(attributes.size()); 476ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (xml::Attribute& attr : attributes) { 477ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski // Don't copy compiled values or attributes. 478ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->attributes.push_back( 479ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski xml::Attribute{attr.namespace_uri, attr.name, attr.value}); 480ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 481ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 482ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski el->children.reserve(children.size()); 483ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (const std::unique_ptr<xml::Node>& child : children) { 484e343eb145c42d00c4fd3fdde93cd0be55cb5b855Adam Lesinski el->AppendChild(child->Clone()); 485ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 486ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::move(el); 4875eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski} 4885eeaaddffd23d8d85aeb321e3ceea626e42cf9deAdam Lesinski 489ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskistd::unique_ptr<Node> Text::Clone() { 490ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski auto t = util::make_unique<Text>(); 491ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->comment = comment; 492ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->line_number = line_number; 493ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->column_number = column_number; 494ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski t->text = text; 495ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return std::move(t); 496ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} 497467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 498ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinskivoid PackageAwareVisitor::Visit(Namespace* ns) { 499ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski bool added = false; 500ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (Maybe<ExtractedPackage> maybe_package = 501ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ExtractPackageFromNamespace(ns->namespace_uri)) { 502ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski ExtractedPackage& package = maybe_package.value(); 503ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski package_decls_.push_back( 504ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski PackageDecl{ns->namespace_prefix, std::move(package)}); 505ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski added = true; 506ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 507ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 508ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski Visitor::Visit(ns); 509ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 510ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (added) { 511ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski package_decls_.pop_back(); 512ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 513467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski} 514467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 515ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam LesinskiMaybe<ExtractedPackage> PackageAwareVisitor::TransformPackageAlias( 516ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const StringPiece& alias, const StringPiece& local_package) const { 517ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (alias.empty()) { 518d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski return ExtractedPackage{local_package.to_string(), false /* private */}; 519ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 520ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski 521ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski const auto rend = package_decls_.rend(); 522ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski for (auto iter = package_decls_.rbegin(); iter != rend; ++iter) { 523ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (alias == iter->prefix) { 524ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski if (iter->package.package.empty()) { 525d5083f6f6b9bc76bbe64052bcec639eee752a321Adam Lesinski return ExtractedPackage{local_package.to_string(), iter->package.private_namespace}; 526ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 527ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return iter->package; 528ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 529ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski } 530ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski return {}; 531467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski} 532467f171315f9c2037fcd3eb5edcfabc40671bf7bAdam Lesinski 533ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} // namespace xml 534ce5e56e243d262a9b65459c3bd0bb9eaadd40628Adam Lesinski} // namespace aapt 535