533c09b01b
Bug: 65670329 Test: updated Change-Id: Ic554cc20134fce66aa9ddf8d16ddffe0131c50e9 Merged-In: Ic554cc20134fce66aa9ddf8d16ddffe0131c50e9 (cherry picked from commit ad9e1324ff2c459d0ee6ee571d4a3e458c02cc81)
125 lines
4.0 KiB
C++
125 lines
4.0 KiB
C++
/*
|
|
* Copyright (C) 2016 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "xml/XmlActionExecutor.h"
|
|
|
|
using ::android::StringPiece;
|
|
|
|
namespace aapt {
|
|
namespace xml {
|
|
|
|
static bool wrapper_one(XmlNodeAction::ActionFunc& f, Element* el, SourcePathDiagnostics*) {
|
|
return f(el);
|
|
}
|
|
|
|
static bool wrapper_two(XmlNodeAction::ActionFuncWithDiag& f, Element* el,
|
|
SourcePathDiagnostics* diag) {
|
|
return f(el, diag);
|
|
}
|
|
|
|
void XmlNodeAction::Action(XmlNodeAction::ActionFunc f) {
|
|
actions_.emplace_back(std::bind(
|
|
wrapper_one, std::move(f), std::placeholders::_1, std::placeholders::_2));
|
|
}
|
|
|
|
void XmlNodeAction::Action(XmlNodeAction::ActionFuncWithDiag f) {
|
|
actions_.emplace_back(std::bind(
|
|
wrapper_two, std::move(f), std::placeholders::_1, std::placeholders::_2));
|
|
}
|
|
|
|
static void PrintElementToDiagMessage(const Element* el, DiagMessage* msg) {
|
|
*msg << "<";
|
|
if (!el->namespace_uri.empty()) {
|
|
*msg << el->namespace_uri << ":";
|
|
}
|
|
*msg << el->name << ">";
|
|
}
|
|
|
|
bool XmlNodeAction::Execute(XmlActionExecutorPolicy policy, std::vector<StringPiece>* bread_crumb,
|
|
SourcePathDiagnostics* diag, Element* el) const {
|
|
bool error = false;
|
|
for (const ActionFuncWithDiag& action : actions_) {
|
|
error |= !action(el, diag);
|
|
}
|
|
|
|
for (Element* child_el : el->GetChildElements()) {
|
|
if (child_el->namespace_uri.empty()) {
|
|
std::map<std::string, XmlNodeAction>::const_iterator iter = map_.find(child_el->name);
|
|
if (iter != map_.end()) {
|
|
// Use the iterator's copy of the element name, because the element may be modified.
|
|
bread_crumb->push_back(iter->first);
|
|
error |= !iter->second.Execute(policy, bread_crumb, diag, child_el);
|
|
bread_crumb->pop_back();
|
|
continue;
|
|
}
|
|
|
|
if (policy != XmlActionExecutorPolicy::kNone) {
|
|
DiagMessage error_msg(child_el->line_number);
|
|
error_msg << "unexpected element ";
|
|
PrintElementToDiagMessage(child_el, &error_msg);
|
|
error_msg << " found in ";
|
|
for (const StringPiece& element : *bread_crumb) {
|
|
error_msg << "<" << element << ">";
|
|
}
|
|
if (policy == XmlActionExecutorPolicy::kWhitelistWarning) {
|
|
// Treat the error only as a warning.
|
|
diag->Warn(error_msg);
|
|
} else {
|
|
// Policy is XmlActionExecutorPolicy::kWhitelist, we should fail.
|
|
diag->Error(error_msg);
|
|
error = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return !error;
|
|
}
|
|
|
|
bool XmlActionExecutor::Execute(XmlActionExecutorPolicy policy, IDiagnostics* diag,
|
|
XmlResource* doc) const {
|
|
SourcePathDiagnostics source_diag(doc->file.source, diag);
|
|
|
|
Element* el = doc->root.get();
|
|
if (!el) {
|
|
if (policy == XmlActionExecutorPolicy::kWhitelist) {
|
|
source_diag.Error(DiagMessage() << "no root XML tag found");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (el->namespace_uri.empty()) {
|
|
std::map<std::string, XmlNodeAction>::const_iterator iter = map_.find(el->name);
|
|
if (iter != map_.end()) {
|
|
std::vector<StringPiece> bread_crumb;
|
|
bread_crumb.push_back(iter->first);
|
|
return iter->second.Execute(policy, &bread_crumb, &source_diag, el);
|
|
}
|
|
|
|
if (policy == XmlActionExecutorPolicy::kWhitelist) {
|
|
DiagMessage error_msg(el->line_number);
|
|
error_msg << "unexpected root element ";
|
|
PrintElementToDiagMessage(el, &error_msg);
|
|
source_diag.Error(error_msg);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
} // namespace xml
|
|
} // namespace aapt
|