AAPT2: Support generating Manifest.java

This includes comments from AndroidManifest.xml.

Change-Id: I412d9ecb12bad20a49a683d6b3bea4a0be1235ae

1 files changed, 95 insertions, 0 deletions

diff --git a/tools/aapt2/java/JavaClassGenerator.h b/tools/aapt2/java/JavaClassGenerator.h
new file mode 100644
index 000000000000..e53a765ae0d8
--- /dev/null
+++ b/tools/aapt2/java/JavaClassGenerator.h
@@ -0,0 +1,95 @@
+/*
+ * 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.
+ */
+
+#ifndef AAPT_JAVA_CLASS_GENERATOR_H
+#define AAPT_JAVA_CLASS_GENERATOR_H
+
+#include "ResourceTable.h"
+#include "ResourceValues.h"
+
+#include "util/StringPiece.h"
+
+#include <ostream>
+#include <string>
+
+namespace aapt {
+
+struct JavaClassGeneratorOptions {
+    /*
+     * Specifies whether to use the 'final' modifier
+     * on resource entries. Default is true.
+     */
+    bool useFinal = true;
+
+    enum class SymbolTypes {
+        kAll,
+        kPublicPrivate,
+        kPublic,
+    };
+
+    /*
+     *
+     */
+    SymbolTypes types = SymbolTypes::kAll;
+};
+
+/*
+ * Generates the R.java file for a resource table.
+ */
+class JavaClassGenerator {
+public:
+    JavaClassGenerator(ResourceTable* table, JavaClassGeneratorOptions options);
+
+    /*
+     * Writes the R.java file to `out`. Only symbols belonging to `package` are written.
+     * All symbols technically belong to a single package, but linked libraries will
+     * have their names mangled, denoting that they came from a different package.
+     * We need to generate these symbols in a separate file.
+     * Returns true on success.
+     */
+    bool generate(const StringPiece16& packageNameToGenerate, std::ostream* out);
+
+    bool generate(const StringPiece16& packageNameToGenerate,
+                  const StringPiece16& outputPackageName,
+                  std::ostream* out);
+
+    const std::string& getError() const;
+
+private:
+    bool generateType(const StringPiece16& packageNameToGenerate,
+                      const ResourceTablePackage* package,
+                      const ResourceTableType* type,
+                      std::ostream* out);
+
+    void generateStyleable(const StringPiece16& packageNameToGenerate,
+                           const std::u16string& entryName,
+                           const Styleable* styleable,
+                           std::ostream* out);
+
+    bool skipSymbol(SymbolState state);
+
+    ResourceTable* mTable;
+    JavaClassGeneratorOptions mOptions;
+    std::string mError;
+};
+
+inline const std::string& JavaClassGenerator::getError() const {
+    return mError;
+}
+
+} // namespace aapt
+
+#endif // AAPT_JAVA_CLASS_GENERATOR_H