1 files changed, 52 insertions, 0 deletions
diff --git a/src/installer/corehost/cli/apphost/bundle/extractor.h b/src/installer/corehost/cli/apphost/bundle/extractor.h
new file mode 100644
index 00000000000..73b75ecdd09
--- /dev/null
+++ b/src/installer/corehost/cli/apphost/bundle/extractor.h
@@ -0,0 +1,52 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#ifndef __EXTRACTOR_H__
+#define __EXTRACTOR_H__
+
+#include "reader.h"
+#include "manifest.h"
+
+namespace bundle
+{
+    class extractor_t
+    {
+    public:
+        extractor_t(const pal::string_t &bundle_id,
+                    const pal::string_t& bundle_path,
+                    const manifest_t &manifest)
+            :m_extraction_dir(),
+             m_working_extraction_dir(),
+             m_manifest(manifest)
+        {
+            m_bundle_id = bundle_id;
+            m_bundle_path = bundle_path;
+        }
+
+        pal::string_t& extract(reader_t& reader);
+
+    private:
+        pal::string_t& extraction_dir();
+        pal::string_t& working_extraction_dir();
+
+        void extract_new(reader_t& reader);
+        void verify_recover_extraction(reader_t& reader);
+
+        FILE* create_extraction_file(const pal::string_t& relative_path);
+        void extract(const file_entry_t& entry, reader_t& reader);
+
+        void begin();
+        void commit_file(const pal::string_t& relative_path);
+        void commit_dir();
+        void clean();
+
+        pal::string_t m_bundle_id;
+        pal::string_t m_bundle_path;
+        pal::string_t m_extraction_dir;
+        pal::string_t m_working_extraction_dir;
+        const manifest_t& m_manifest;
+    };
+}
+
+#endif // __EXTRACTOR_H__