Added two new project files

partnotes.h

+/*
+    partnotes.h -- Class that takes notes on GPT partitions for purpose of MBR conversion
+    Copyright (C) 2010 Roderick W. Smith
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+*/
+
+#ifndef __PARTNOTES_H
+#define __PARTNOTES_H
+
+#include "gpt.h"
+#include "gptpart.h"
+
+using namespace std;
+
+#define WILL_NOT_CONVERT 0
+#define PRIMARY 1
+#define LOGICAL 2
+
+// Data structure used in GPT-to-MBR conversions; holds pointer to GPT
+// partition number, start and end sectors, and a few MBR-specific details
+struct PartInfo {
+   int gptPartNum;
+   int spaceBefore; // boolean; if 1, can theoretically become a logical part.
+   int active; // boolean
+   int type; // WILL_NOT_CONVERT, PRIMARY, or LOGICAL
+   uint64_t firstLBA;
+   uint64_t lastLBA;
+   unsigned int hexCode;
+   struct PartInfo *next;
+};
+
+struct ExtendedInfo {
+   int startNum;
+   int numLogicals;
+};
+
+class PartNotes {
+   protected:
+      struct PartInfo dummyNote;
+      struct PartInfo *notes;
+      struct PartInfo *currentNote;
+      int currentIndex;
+      GPTPart *gptParts;
+      int gptTableSize;
+      int blockSize;
+
+      void DeleteNotes(void);
+   public:
+      PartNotes();
+      PartNotes(GPTPart *parts, GPTData *gpt, int num, int blockSize);
+      ~PartNotes();
+
+      // Add partition notes (little or no error checking)
+      int PassPartitions(GPTPart *parts, GPTData *gpt, int num, int blockSize);
+      int AddToEnd(struct PartInfo* newOne);
+      int AddToStart(struct PartInfo* newOne);
+      void SetType(int partNum, int type); // type is PRIMARY, LOGICAL, or WILL_NOT_CONVERT
+      void SetMbrHexType(int i, uint8_t type);
+      void ToggleActiveStatus(int partNum);
+
+      // Retrieve data or metadata
+      void Rewind(void);
+      int GetNextInfo(struct PartInfo * info);
+      int GetNumParts();
+      int GetNumPrimary();
+      int GetNumExtended();
+      int GetNumLogical();
+      int GetType(int partNum);
+      uint8_t GetMbrHexType(int i);
+      int GetGptNum(int partNum);
+      int GetActiveStatus(int partNum);
+      int CanBeLogical(int partNum); // returns boolean
+      int FindExtended(int &start);
+      int IsSorted(void);
+      int IsLegal(void); // returns boolean
+
+      // Manipulate data or metadata
+      int MakeItLegal(void);
+      void TrimSmallestExtended(void);
+
+      // Interact with users, possibly changing data with error handling
+      void ShowSummary(void);
+      int MakeChange(int partNum);
+      int ChangeType(int partNum, int newType);
+};
+
+#endif // __PARTNOTES_H