AAPT2: Support compiling a res/ directory and output to zip
This allows us to compile an entire directory and output to a single
file. This is important to support generated resources in the make
build, since we may not know what resources get generated.
The link step will accept the zip and read the contents of it as if they
were passed in on the command line.
Change-Id: If1a51b0abe772350c24074353eb4989953c2e0cb
diff --git a/tools/aapt2/io/Data.h b/tools/aapt2/io/Data.h
new file mode 100644
index 0000000..9081c55
--- /dev/null
+++ b/tools/aapt2/io/Data.h
@@ -0,0 +1,85 @@
+/*
+ * 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_IO_DATA_H
+#define AAPT_IO_DATA_H
+
+#include <utils/FileMap.h>
+
+#include <memory>
+
+namespace aapt {
+namespace io {
+
+/**
+ * Interface for a block of contiguous memory. An instance of this interface owns the data.
+ */
+class IData {
+public:
+ virtual ~IData() = default;
+
+ virtual const void* data() const = 0;
+ virtual size_t size() const = 0;
+};
+
+/**
+ * Implementation of IData that exposes a memory mapped file. The mmapped file is owned by this
+ * object.
+ */
+class MmappedData : public IData {
+public:
+ explicit MmappedData(android::FileMap&& map) : mMap(std::forward<android::FileMap>(map)) {
+ }
+
+ const void* data() const override {
+ return mMap.getDataPtr();
+ }
+
+ size_t size() const override {
+ return mMap.getDataLength();
+ }
+
+private:
+ android::FileMap mMap;
+};
+
+/**
+ * Implementation of IData that exposes a block of memory that was malloc'ed (new'ed). The
+ * memory is owned by this object.
+ */
+class MallocData : public IData {
+public:
+ MallocData(std::unique_ptr<const uint8_t[]> data, size_t size) :
+ mData(std::move(data)), mSize(size) {
+ }
+
+ const void* data() const override {
+ return mData.get();
+ }
+
+ size_t size() const override {
+ return mSize;
+ }
+
+private:
+ std::unique_ptr<const uint8_t[]> mData;
+ size_t mSize;
+};
+
+} // namespace io
+} // namespace aapt
+
+#endif /* AAPT_IO_DATA_H */