133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
/*
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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 "util/Maybe.h"
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#include "xml/XmlDom.h"
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using android::StringPiece;
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namespace aapt {
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static Maybe<StringPiece> ExtractJavaIdentifier(IDiagnostics* diag,
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const Source& source,
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const StringPiece& value) {
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const StringPiece sep = ".";
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auto iter = std::find_end(value.begin(), value.end(), sep.begin(), sep.end());
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StringPiece result;
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if (iter != value.end()) {
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result.assign(iter + sep.size(), value.end() - (iter + sep.size()));
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} else {
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result = value;
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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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iter = util::FindNonAlphaNumericAndNotInSet(result, "_");
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if (iter != result.end()) {
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diag->Error(DiagMessage(source) << "invalid character '"
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<< StringPiece(iter, 1) << "' in '"
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<< result << "'");
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return {};
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}
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if (*result.begin() >= '0' && *result.begin() <= '9') {
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diag->Error(DiagMessage(source) << "symbol can not start with a digit");
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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,
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xml::Element* el, 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
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<< "> must define 'android:name'");
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return false;
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}
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Maybe<StringPiece> result = ExtractJavaIdentifier(
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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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class_def->AddMember(std::move(string_member));
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return true;
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}
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std::unique_ptr<ClassDefinition> GenerateManifestClass(IDiagnostics* diag,
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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)
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<< "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,
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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,
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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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