1 files changed, 126 insertions, 0 deletions
diff --git a/tools/aapt2/java/ManifestClassGenerator.cpp b/tools/aapt2/java/ManifestClassGenerator.cpp
new file mode 100644
index 000000000000..d963d8948f8d
--- /dev/null
+++ b/tools/aapt2/java/ManifestClassGenerator.cpp
@@ -0,0 +1,126 @@
+/*
+ * 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 "XmlDom.h"
+
+#include "java/AnnotationProcessor.h"
+#include "java/ClassDefinitionWriter.h"
+#include "java/ManifestClassGenerator.h"
+#include "util/Maybe.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,
+                                      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