1 files changed, 72 insertions, 0 deletions
diff --git a/lib/raidfile/RaidFileRead.h b/lib/raidfile/RaidFileRead.h
new file mode 100755
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+++ b/lib/raidfile/RaidFileRead.h
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+// --------------------------------------------------------------------------
+//
+// File
+//		Name:    RaidFileRead.h
+//		Purpose: Read Raid like Files
+//		Created: 2003/07/13
+//
+// --------------------------------------------------------------------------
+
+#ifndef RAIDFILEREAD__H
+#define RAIDFILEREAD__H
+
+#include <string>
+#include <memory>
+#include <vector>
+
+#include "IOStream.h"
+
+class RaidFileDiscSet;
+
+
+// --------------------------------------------------------------------------
+//
+// Class
+//		Name:    RaidFileRead
+//		Purpose: Read RAID like files
+//		Created: 2003/07/13
+//
+// --------------------------------------------------------------------------
+class RaidFileRead : public IOStream
+{
+protected:
+	RaidFileRead(int SetNumber, const std::string &Filename);
+public:
+	virtual ~RaidFileRead();
+private:
+	RaidFileRead(const RaidFileRead &rToCopy);
+	
+public:
+	// Open a raid file
+	static std::auto_ptr<RaidFileRead> Open(int SetNumber, const std::string &Filename, int64_t *pRevisionID = 0, int BufferSizeHint = 4096);
+
+	// Extra info
+	virtual pos_type GetFileSize() const = 0;
+
+	// Utility functions
+	static bool FileExists(int SetNumber, const std::string &rFilename, int64_t *pRevisionID = 0);
+	static bool DirectoryExists(const RaidFileDiscSet &rSet, const std::string &rDirName);
+	static bool DirectoryExists(int SetNumber, const std::string &rDirName);
+	enum
+	{
+		DirReadType_FilesOnly = 0,
+		DirReadType_DirsOnly = 1
+	};
+	static bool ReadDirectoryContents(int SetNumber, const std::string &rDirName, int DirReadType, std::vector<std::string> &rOutput);
+
+	// Common IOStream interface implementation
+	virtual void Write(const void *pBuffer, int NBytes);
+	virtual bool StreamClosed();
+	virtual pos_type BytesLeftToRead();
+
+	pos_type GetDiscUsageInBlocks();
+
+	typedef int64_t FileSizeType;
+
+protected:
+	int mSetNumber;
+	std::string mFilename;
+};
+
+#endif // RAIDFILEREAD__H
+