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/*****************************************************************************/
/* RootHandler.h Copyright (c) Ladislav Zezula 2015 */
/*---------------------------------------------------------------------------*/
/* Interface for root handlers */
/*---------------------------------------------------------------------------*/
/* Date Ver Who Comment */
/* -------- ---- --- ------- */
/* 09.03.15 1.00 Lad Created */
/*****************************************************************************/
#ifndef __ROOT_HANDLER_H__
#define __ROOT_HANDLER_H__
//-----------------------------------------------------------------------------
// Defines
#define CASC_MNDX_ROOT_SIGNATURE 0x58444E4D // 'MNDX'
#define CASC_TVFS_ROOT_SIGNATURE 0x53465654 // 'TVFS'
#define CASC_DIABLO3_ROOT_SIGNATURE 0x8007D0C4
#define CASC_WOW_ROOT_SIGNATURE 0x4D465354 // 'TSFM', since WoW build 30080 (8.2.0)
#define DUMP_LEVEL_ROOT_FILE 1 // Dump root file
#define DUMP_LEVEL_ENCODING_FILE 2 // Dump root file + encoding file
#define DUMP_LEVEL_INDEX_ENTRIES 3 // Dump root file + encoding file + index entries
//-----------------------------------------------------------------------------
// Class for generic root handler
struct TRootHandler
{
public:
TRootHandler()
{
dwFeatures = 0;
}
virtual ~TRootHandler()
{}
// Inserts new file name to the root handler
// szFileName - Pointer to the file name
// pCKeyEntry - Pointer to the CASC_CKEY_ENTRY for the file
virtual int Insert(const char * /* szFileName */, PCASC_CKEY_ENTRY /* pCKeyEntry */)
{
return ERROR_NOT_SUPPORTED;
}
// Searches the file by file name
// hs - Pointer to the storage structure
// szFileName - Pointer to the file name
virtual PCASC_CKEY_ENTRY GetFile(struct TCascStorage * /* hs */, const char * /* szFileName */)
{
return NULL;
}
// Searches the file by file data id
// hs - Pointer to the storage structure
// FileDataId - File data id
virtual PCASC_CKEY_ENTRY GetFile(struct TCascStorage * /* hs */, DWORD /* FileDataId */)
{
return NULL;
}
// Searches the file by file name
// nFileIndex - Index to the table
// szFileName - Pointer to the file name
virtual PCASC_CKEY_ENTRY GetFile(size_t /* nFileIndex */, char * /* szFileName */, size_t /* ccFileName */)
{
return NULL;
}
// Performs find-next-file operation
// pSearch - Pointer to the initialized search structure
// pFindData - Pointer to output structure that will contain the information
virtual PCASC_CKEY_ENTRY Search(struct TCascSearch * /* pSearch */, struct _CASC_FIND_DATA * /* pFindData */)
{
return NULL;
}
// Returns advanced info from the root file entry.
// pCKeyEntry - CKey/EKey, depending on which type the root handler provides
// pFileInfo - Pointer to CASC_FILE_FULL_INFO structure
virtual bool GetInfo(PCASC_CKEY_ENTRY /* pCKeyEntry */, struct _CASC_FILE_FULL_INFO * /* pFileInfo */)
{
return false;
}
// Copies all items from the given root handler to the new one
virtual size_t Copy(TRootHandler * /* pRoot */)
{
return 0;
}
// Returns the maximum file index
virtual size_t GetMaxFileIndex()
{
return 0;
}
// Returns the list of features
DWORD GetFeatures()
{
return dwFeatures;
}
protected:
DWORD dwFeatures; // CASC features. See CASC_FEATURE_XXX
};
//-----------------------------------------------------------------------------
// Class for root handler that has basic mapping of FileName -> CASC_FILE_NODE
struct TFileTreeRoot : public TRootHandler
{
TFileTreeRoot(DWORD FileTreeFlags);
virtual ~TFileTreeRoot();
int Insert(const char * szFileName, PCASC_CKEY_ENTRY pCKeyEntry);
PCASC_CKEY_ENTRY GetFile(struct TCascStorage * hs, const char * szFileName);
PCASC_CKEY_ENTRY GetFile(struct TCascStorage * hs, DWORD FileDataId);
PCASC_CKEY_ENTRY GetFile(size_t nFileIndex, char * /* szFileName */, size_t /* ccFileName */);
PCASC_CKEY_ENTRY Search(struct TCascSearch * pSearch, struct _CASC_FIND_DATA * pFindData);
bool GetInfo(PCASC_CKEY_ENTRY pCKeyEntry, struct _CASC_FILE_FULL_INFO * pFileInfo);
size_t Copy(TRootHandler * pRoot);
size_t GetMaxFileIndex();
protected:
CASC_FILE_TREE FileTree;
};
#endif // __ROOT_HANDLER_H__
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