Subversion Repositories spk

#pragma once

#include "CyString.h"
#include "VirtualFileSystem.h"
#include "lists.h"
#include "StringList.h"

enum {DIFFTYPE_ADDITION, DIFFTYPE_REMOVAL, DIFFTYPE_CHANGE};

tstruct SDiffEntry {
        int                     iType;
        int                     iID;
} SDiffEntry;

tstruct SDiffEntryAddition : SDiffEntry {
        CyString        sEntry;
        SDiffEntryAddition() { iType = DIFFTYPE_ADDITION; }
} SDiffEntryAddition;

tstruct SDiffEntryRemoval : SDiffEntry {
        SDiffEntryRemoval() { iType = DIFFTYPE_REMOVAL; }
} SDiffEntryRemoval;

tstruct SDiffEntryChange : SDiffEntry {
        SDiffEntryChange() { iType = DIFFTYPE_CHANGE; }
        int                     iPos;
        CyString        sFrom;
        CyString        sEntry;
} SDiffEntryChange;

tstruct SDiffFile {
        CyString sFile;
        CLinkList<SDiffEntry> m_lEntries;
} SDiffFile;

enum {MDERR_NONE, MDERR_FILENOTFOUND, MDERR_CANTOPEN, MDERR_CANTOPENMOD};

tclass CModDiff
{
public:
        // static
        static bool CanBeDiffed(const CyString &file);

        // constructors
        CModDiff(CyString &dir, int maxPatch = 0);
        ~CModDiff(void);

        // public functions
        void SetTempDirectory(CyString &temp) { m_sTempDir = temp; }
        bool LoadDirectory(CyString &dir);
        bool IsLoaded() { return m_bLoaded; }
        const CyString &GetDirectory() { return m_sCurrentDir; }
        bool CreateDiff(CyString &mod);
        bool DiffFile(CyString &baseFile, CyString &modFile, CyString &fileType);
        void Clean();
        bool WriteDiff(CyString &file);
        bool ReadDiff(CyString &file);
        bool ApplyDiff(CyString &mod);
        bool ApplyMod(CyString &mod);
        void SetMaxPatch(int patch) { m_iMaxPatch = patch; }

        CLinkList<SDiffFile> &GetDiffFiles() { return m_lFiles; }

        void ClearError() { m_iError = MDERR_NONE; }
        int Error() { return m_iError; }

private:
        // private functions
        int GetAmountPosition(const CyString &fileType);
        bool IsLineComplete(CyString &line, CyString &fileType, bool first);
        bool ReadGameFile(CyString &file, CyStringList *lines, int *id);
        void CompareLine(CyString &line1, CyString &line2, int type, int id, SDiffFile *diffFile);
        bool ValidFile(CyString &file);

        // Variables
        CyString m_sCurrentDir;                         // the current game directory (that the VFS is opened too)
        CyString m_sTempDir;                            // temporary dir (used to write temporary files to)

        CVirtualFileSystem m_fileSystem;        // the VFS of the game directory (for finding the files to use)
        CLinkList<SDiffFile> m_lFiles;          // list of files that have changed

        bool    m_bLoaded;                                      // if the directory is loaded and ready to be diffed
        int             m_iError;                                       // error id of process
        int             m_iMaxPatch;                            // The max fake patch to check to
};