BCopyEngine: Add base class BEntryOperationEngineBase

It contains a helper class Entry, which allows to generalize the
BCopyEngine::CopyEntry() parameters.

headers/private/storage/CopyEngine.h

@@ -11,7 +11,7 @@
 
 #include <stdarg.h>
 
-#include <SupportDefs.h>
+#include <EntryOperationEngineBase.h>
 
 
 class BFile;
@@ -21,7 +21,7 @@ class BNode;
 namespace BPrivate {
 
 
-class BCopyEngine {
+class BCopyEngine : public BEntryOperationEngineBase {
 public:
 			class BController;
 
@@ -43,8 +43,8 @@ public:
 			BCopyEngine&		AddFlags(uint32 flags);
 			BCopyEngine&		RemoveFlags(uint32 flags);
 
-			status_t			CopyEntry(const char* sourcePath,
-									const char* destPath);
+			status_t			CopyEntry(const Entry& sourceEntry,
+									const Entry& destEntry);
 
 private:
 			status_t			_CopyEntry(const char* sourcePath,

headers/private/storage/EntryOperationEngineBase.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2013, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *		Ingo Weinhold <[email protected]>
+ */
+#ifndef _ENTRY_OPERATION_ENGINE_BASE_H
+#define _ENTRY_OPERATION_ENGINE_BASE_H
+
+
+#include <String.h>
+
+
+class BDirectory;
+class BEntry;
+class BPath;
+
+struct entry_ref;
+
+
+namespace BPrivate {
+
+
+class BEntryOperationEngineBase {
+public:
+			class Entry;
+};
+
+
+class BEntryOperationEngineBase::Entry {
+public:
+								Entry(const char* path);
+								Entry(const BDirectory& directory,
+									const char* path = NULL);
+								Entry(const BEntry& entry);
+								Entry(const entry_ref& entryRef);
+								~Entry();
+
+			status_t			GetPath(BPath& buffer, const char*& _path)
+									const;
+			BString				Path() const;
+
+private:
+			const BDirectory*	fDirectory;
+			const char*			fPath;
+			const BEntry*		fEntry;
+			const entry_ref*	fEntryRef;
+};
+
+
+} // namespace BPrivate
+
+
+#endif	// _ENTRY_OPERATION_ENGINE_BASE_H