| /* |
| * Copyright (C) 2015 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 "Source.h" |
| #include "java/AnnotationProcessor.h" |
| #include "java/ClassDefinitionWriter.h" |
| #include "java/ManifestClassGenerator.h" |
| #include "util/Maybe.h" |
| #include "xml/XmlDom.h" |
| |
| #include <algorithm> |
| |
| namespace aapt { |
| |
| static Maybe<StringPiece16> extractJavaIdentifier(IDiagnostics* diag, const Source& source, |
| const StringPiece16& value) { |
| const StringPiece16 sep = u"."; |
| auto iter = std::find_end(value.begin(), value.end(), sep.begin(), sep.end()); |
| |
| StringPiece16 result; |
| if (iter != value.end()) { |
| result.assign(iter + sep.size(), value.end() - (iter + sep.size())); |
| } else { |
| result = value; |
| } |
| |
| if (result.empty()) { |
| diag->error(DiagMessage(source) << "empty symbol"); |
| return {}; |
| } |
| |
| iter = util::findNonAlphaNumericAndNotInSet(result, u"_"); |
| if (iter != result.end()) { |
| diag->error(DiagMessage(source) |
| << "invalid character '" << StringPiece16(iter, 1) |
| << "' in '" << result << "'"); |
| return {}; |
| } |
| |
| if (*result.begin() >= u'0' && *result.begin() <= u'9') { |
| diag->error(DiagMessage(source) << "symbol can not start with a digit"); |
| return {}; |
| } |
| |
| return result; |
| } |
| |
| static bool writeSymbol(IDiagnostics* diag, ClassDefinitionWriter* outClassDef, const Source& source, |
| xml::Element* el) { |
| xml::Attribute* attr = el->findAttribute(xml::kSchemaAndroid, u"name"); |
| if (!attr) { |
| diag->error(DiagMessage(source) << "<" << el->name << "> must define 'android:name'"); |
| return false; |
| } |
| |
| Maybe<StringPiece16> result = extractJavaIdentifier(diag, source.withLine(el->lineNumber), |
| attr->value); |
| if (!result) { |
| return false; |
| } |
| |
| AnnotationProcessor processor; |
| processor.appendComment(el->comment); |
| outClassDef->addStringMember(result.value(), &processor, attr->value); |
| return true; |
| } |
| |
| bool ManifestClassGenerator::generate(IDiagnostics* diag, const StringPiece16& package, |
| xml::XmlResource* res, std::ostream* out) { |
| xml::Element* el = xml::findRootElement(res->root.get()); |
| if (!el) { |
| return false; |
| } |
| |
| if (el->name != u"manifest" && !el->namespaceUri.empty()) { |
| diag->error(DiagMessage(res->file.source) << "no <manifest> root tag defined"); |
| return false; |
| } |
| |
| *out << "package " << package << ";\n\n" |
| << "public final class Manifest {\n"; |
| |
| bool error = false; |
| std::vector<xml::Element*> children = el->getChildElements(); |
| |
| ClassDefinitionWriterOptions classOptions; |
| classOptions.useFinalQualifier = true; |
| classOptions.forceCreationIfEmpty = false; |
| |
| // First write out permissions. |
| ClassDefinitionWriter classDef("permission", classOptions); |
| for (xml::Element* childEl : children) { |
| if (childEl->namespaceUri.empty() && childEl->name == u"permission") { |
| error |= !writeSymbol(diag, &classDef, res->file.source, childEl); |
| } |
| } |
| classDef.writeToStream(out, " "); |
| |
| // Next write out permission groups. |
| classDef = ClassDefinitionWriter("permission_group", classOptions); |
| for (xml::Element* childEl : children) { |
| if (childEl->namespaceUri.empty() && childEl->name == u"permission-group") { |
| error |= !writeSymbol(diag, &classDef, res->file.source, childEl); |
| } |
| } |
| classDef.writeToStream(out, " "); |
| |
| *out << "}\n"; |
| return !error; |
| } |
| |
| } // namespace aapt |