Initial import of new version :]

dlls/nvault/Journal.h

@@ -0,0 +1,51 @@
+#ifndef _INCLUDE_JOURNAL_H
+#define _INCLUDE_JOURNAL_H
+
+#include "Binary.h"
+#include "NHash.h"
+#include "CString.h"
+
+enum JOp
+{
+	Journal_Nop=0,		//no operation
+	Journal_Clear,		//clears, no parameters
+	Journal_Prune,		//prunes, two params (start, end, 32bit both)
+	Journal_Insert,		//inserts stamp (32), key (8+[]), val (16+[])
+	Journal_Remove,		//removes key(8+[])
+	Journal_TotalOps,
+};
+
+enum Encode
+{
+	Encode_Small,
+	Encode_Medium,
+};
+
+typedef NHash<String,String> VaultMap;
+
+class Journal
+{
+public:
+	Journal(const char *file);
+public:
+	bool Begin();
+	bool End();
+	int Replay(VaultMap *pMap);
+	bool Erase();
+public:
+	bool Write_Clear();
+	bool Write_Prune(time_t start, time_t end);
+	bool Write_Insert(const char *key, const char *val, time_t stamp);
+	bool Write_Remove(const char *key);
+private:
+	void WriteOp(JOp op);
+	void WriteInt32(int num);
+	void WriteString(const char *str, Encode enc);
+private:
+	String m_File;
+	FILE *m_fp;
+	BinaryWriter m_Bw;
+};
+
+#endif //_INCLUDE_JOURNAL_H
+