/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "java/ManifestClassGenerator.h"
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#include <algorithm>
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#include "Source.h"
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#include "java/AnnotationProcessor.h"
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#include "java/ClassDefinition.h"
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#include "java/JavaClassGenerator.h"
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#include "text/Unicode.h"
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#include "util/Maybe.h"
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#include "xml/XmlDom.h"
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using ::aapt::text::IsJavaIdentifier;
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namespace aapt {
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static Maybe<std::string> ExtractJavaIdentifier(IDiagnostics* diag, const Source& source,
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const std::string& value) {
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std::string result = value;
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size_t pos = value.rfind('.');
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if (pos != std::string::npos) {
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result = result.substr(pos + 1);
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}
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// Normalize only the java identifier, leave the original value unchanged.
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if (result.find("-") != std::string::npos) {
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result = JavaClassGenerator::TransformToFieldName(result);
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}
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if (result.empty()) {
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diag->Error(DiagMessage(source) << "empty symbol");
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return {};
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}
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if (!IsJavaIdentifier(result)) {
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diag->Error(DiagMessage(source) << "invalid Java identifier '" << result << "'");
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return {};
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}
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return result;
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}
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static bool WriteSymbol(const Source& source, IDiagnostics* diag, xml::Element* el,
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ClassDefinition* class_def) {
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xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name");
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if (!attr) {
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diag->Error(DiagMessage(source) << "<" << el->name << "> must define 'android:name'");
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return false;
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}
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Maybe<std::string> result =
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ExtractJavaIdentifier(diag, source.WithLine(el->line_number), attr->value);
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if (!result) {
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return false;
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}
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std::unique_ptr<StringMember> string_member =
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util::make_unique<StringMember>(result.value(), attr->value);
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string_member->GetCommentBuilder()->AppendComment(el->comment);
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if (class_def->AddMember(std::move(string_member)) == ClassDefinition::Result::kOverridden) {
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diag->Warn(DiagMessage(source.WithLine(el->line_number))
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<< "duplicate definitions of '" << result.value() << "', overriding previous");
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}
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return true;
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}
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std::unique_ptr<ClassDefinition> GenerateManifestClass(IDiagnostics* diag, xml::XmlResource* res) {
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xml::Element* el = xml::FindRootElement(res->root.get());
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if (!el) {
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diag->Error(DiagMessage(res->file.source) << "no root tag defined");
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return {};
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}
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if (el->name != "manifest" && !el->namespace_uri.empty()) {
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diag->Error(DiagMessage(res->file.source) << "no <manifest> root tag defined");
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return {};
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}
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std::unique_ptr<ClassDefinition> permission_class =
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util::make_unique<ClassDefinition>("permission", ClassQualifier::kStatic, false);
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std::unique_ptr<ClassDefinition> permission_group_class =
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util::make_unique<ClassDefinition>("permission_group", ClassQualifier::kStatic, false);
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bool error = false;
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std::vector<xml::Element*> children = el->GetChildElements();
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for (xml::Element* child_el : children) {
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if (child_el->namespace_uri.empty()) {
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if (child_el->name == "permission") {
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error |= !WriteSymbol(res->file.source, diag, child_el, permission_class.get());
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} else if (child_el->name == "permission-group") {
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error |= !WriteSymbol(res->file.source, diag, child_el, permission_group_class.get());
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}
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}
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}
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if (error) {
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return {};
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}
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std::unique_ptr<ClassDefinition> manifest_class =
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util::make_unique<ClassDefinition>("Manifest", ClassQualifier::kNone, false);
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manifest_class->AddMember(std::move(permission_class));
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manifest_class->AddMember(std::move(permission_group_class));
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return manifest_class;
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}
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} // namespace aapt
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