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Dep/CascLib: Update to ladislav-zezula/CascLib@a5080b5794

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Shauren
2023-02-06 20:08:39 +01:00
parent 9932046499
commit fd154940ed
39 changed files with 2116 additions and 1675 deletions
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64
dep/CascLib/src/CascRootFile_TVFS.cpp
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@@ -36,8 +36,18 @@
// Local structures
// In-memory layout of the TVFS file header
typedef struct _TVFS_DIRECTORY_HEADER
struct TVFS_DIRECTORY_HEADER
{
TVFS_DIRECTORY_HEADER()
{
memset(this, 0, sizeof(TVFS_DIRECTORY_HEADER) - FIELD_OFFSET(TVFS_DIRECTORY_HEADER, Data));
}
LPBYTE DataAt(DWORD dwOffset)
{
return Data.pbData + dwOffset;
}
DWORD Signature; // Must be CASC_TVFS_ROOT_SIGNATURE
BYTE FormatVersion; // Version of the format. Should be 1.
BYTE HeaderSize; // Size of the header, in bytes
@@ -59,9 +69,8 @@ typedef struct _TVFS_DIRECTORY_HEADER
DWORD CftOffsSize; // Byte length of the offset in the Content File Table entry
DWORD EstOffsSize; // Byte length of the offset in the Encoding Specifier Table entry
LPBYTE pbDirectoryData; // Pointer to the begin of directory data
LPBYTE pbDirectoryEnd; // Pointer to the end of directory data
CASC_BLOB Data; // The complete directory data
// LPBYTE pbPathFileTable; // Begin and end of the path table
// LPBYTE pbPathTableEnd;
@@ -71,7 +80,7 @@ typedef struct _TVFS_DIRECTORY_HEADER
// LPBYTE pbCftFileTable; // Begin and end of the content file table
// LPBYTE pbCftTableEnd;
} TVFS_DIRECTORY_HEADER, *PTVFS_DIRECTORY_HEADER;
};
/*
// Minimum size of a valid path table entry. 1 byte + 1-byte name + 1 byte + DWORD
@@ -157,12 +166,15 @@ struct TRootHandler_TVFS : public TFileTreeRoot
return true;
}
static DWORD CaptureDirectoryHeader(TVFS_DIRECTORY_HEADER & DirHeader, LPBYTE pbDataPtr, LPBYTE pbDataEnd)
static DWORD CaptureDirectoryHeader(TVFS_DIRECTORY_HEADER & DirHeader, CASC_BLOB & Data)
{
// Fill the header structure with zeros
memset(&DirHeader, 0, sizeof(TVFS_DIRECTORY_HEADER));
DirHeader.pbDirectoryData = pbDataPtr;
DirHeader.pbDirectoryEnd = pbDataEnd;
LPBYTE pbDataPtr = NULL;
LPBYTE pbDataEnd = NULL;
// Extract the data out of the buffer
DirHeader.Data.MoveFrom(Data);
pbDataPtr = DirHeader.Data.pbData;
pbDataEnd = DirHeader.Data.End();
// Capture the signature
pbDataPtr = CaptureInteger32(pbDataPtr, pbDataEnd, &DirHeader.Signature);
@@ -189,7 +201,7 @@ struct TRootHandler_TVFS : public TFileTreeRoot
DirHeader.VfsTableSize = ConvertBytesToInteger_4((LPBYTE)(&DirHeader.VfsTableSize));
DirHeader.CftTableOffset = ConvertBytesToInteger_4((LPBYTE)(&DirHeader.CftTableOffset));
DirHeader.CftTableSize = ConvertBytesToInteger_4((LPBYTE)(&DirHeader.CftTableSize));
DirHeader.MaxDepth = (USHORT)ConvertBytesToInteger_2((LPBYTE)(&DirHeader.MaxDepth));
DirHeader.MaxDepth = ConvertBytesToInteger_2((LPBYTE)(&DirHeader.MaxDepth));
DirHeader.EstTableOffset = ConvertBytesToInteger_4((LPBYTE)(&DirHeader.EstTableOffset));
DirHeader.EstTableSize = ConvertBytesToInteger_4((LPBYTE)(&DirHeader.EstTableSize));
@@ -220,7 +232,7 @@ struct TRootHandler_TVFS : public TFileTreeRoot
LPBYTE CaptureVfsSpanCount(TVFS_DIRECTORY_HEADER & DirHeader, DWORD dwVfsOffset, DWORD & SpanCount)
{
LPBYTE pbVfsFileTable = DirHeader.pbDirectoryData + DirHeader.VfsTableOffset;
LPBYTE pbVfsFileTable = DirHeader.DataAt(DirHeader.VfsTableOffset);
LPBYTE pbVfsFileEntry = pbVfsFileTable + dwVfsOffset;
LPBYTE pbVfsFileEnd = pbVfsFileTable + DirHeader.VfsTableSize;
@@ -239,7 +251,7 @@ struct TRootHandler_TVFS : public TFileTreeRoot
LPBYTE pbCftFileTable;
LPBYTE pbCftFileEntry;
LPBYTE pbCftFileEnd;
LPBYTE pbVfsFileTable = DirHeader.pbDirectoryData + DirHeader.VfsTableOffset;
LPBYTE pbVfsFileTable = DirHeader.DataAt(DirHeader.VfsTableOffset);
LPBYTE pbVfsFileEnd = pbVfsFileTable + DirHeader.VfsTableSize;
size_t ItemSize = sizeof(DWORD) + sizeof(DWORD) + DirHeader.CftOffsSize;
@@ -260,7 +272,7 @@ struct TRootHandler_TVFS : public TFileTreeRoot
//
// Resolve the Container File Table entry
pbCftFileTable = DirHeader.pbDirectoryData + DirHeader.CftTableOffset;
pbCftFileTable = DirHeader.DataAt(DirHeader.CftTableOffset);
pbCftFileEntry = pbCftFileTable + dwCftOffset;
pbCftFileEnd = pbCftFileTable + DirHeader.CftTableSize;
@@ -380,10 +392,12 @@ struct TRootHandler_TVFS : public TFileTreeRoot
DWORD IsVfsSubDirectory(TCascStorage * hs, TVFS_DIRECTORY_HEADER & DirHeader, TVFS_DIRECTORY_HEADER & SubHeader, LPBYTE EKey, DWORD dwFileSize)
{
PCASC_CKEY_ENTRY pCKeyEntry;
LPBYTE pbVfsData = NULL;
DWORD cbVfsData = dwFileSize;
CASC_BLOB VfsData;
DWORD dwErrCode = ERROR_BAD_FORMAT;
// Keep compiler happy
CASCLIB_UNUSED(dwFileSize);
// Verify whether the EKey is in the list of VFS root files
if(IsVfsFileEKey(hs, EKey, DirHeader.EKeySize))
{
@@ -391,17 +405,16 @@ struct TRootHandler_TVFS : public TFileTreeRoot
if((pCKeyEntry = FindCKeyEntry_EKey(hs, EKey)) != NULL)
{
// Load the entire file into memory
pbVfsData = LoadInternalFileToMemory(hs, pCKeyEntry, &cbVfsData);
if(pbVfsData && cbVfsData)
dwErrCode = LoadInternalFileToMemory(hs, pCKeyEntry, VfsData);
if(dwErrCode == ERROR_SUCCESS && VfsData.cbData)
{
// Capture the file folder. This also serves as test
dwErrCode = CaptureDirectoryHeader(SubHeader, pbVfsData, pbVfsData + cbVfsData);
dwErrCode = CaptureDirectoryHeader(SubHeader, VfsData);
if(dwErrCode == ERROR_SUCCESS)
return dwErrCode;
// Clear the captured header
memset(&SubHeader, 0, sizeof(TVFS_DIRECTORY_HEADER));
CASC_FREE(pbVfsData);
}
}
}
@@ -533,11 +546,8 @@ struct TRootHandler_TVFS : public TFileTreeRoot
assert(pCKeyEntry->ContentSize == SpanEntry.ContentSize);
FileTree.InsertByName(pCKeyEntry, PathBuffer);
// Parse the subdir
// Parse the subdir. On error, stop the parsing
dwErrCode = ParseDirectoryData(hs, SubHeader, PathBuffer);
CASC_FREE(SubHeader.pbDirectoryData);
// On error, stop the parsing
if(dwErrCode != ERROR_SUCCESS)
return dwErrCode;
}
@@ -652,7 +662,7 @@ struct TRootHandler_TVFS : public TFileTreeRoot
DWORD ParseDirectoryData(TCascStorage * hs, TVFS_DIRECTORY_HEADER & DirHeader, CASC_PATH<char> & PathBuffer)
{
LPBYTE pbRootDirectory = DirHeader.pbDirectoryData + DirHeader.PathTableOffset;
LPBYTE pbRootDirectory = DirHeader.DataAt(DirHeader.PathTableOffset);
LPBYTE pbRootDirPtr = pbRootDirectory;
LPBYTE pbRootDirEnd = pbRootDirPtr + DirHeader.PathTableSize;
DWORD dwNodeValue = 0;
@@ -766,14 +776,14 @@ struct TRootHandler_TVFS : public TFileTreeRoot
//-----------------------------------------------------------------------------
// Public functions - TVFS root
DWORD RootHandler_CreateTVFS(TCascStorage * hs, LPBYTE pbRootFile, DWORD cbRootFile)
DWORD RootHandler_CreateTVFS(TCascStorage * hs, CASC_BLOB & RootFile)
{
TRootHandler_TVFS * pRootHandler = NULL;
TVFS_DIRECTORY_HEADER RootHeader;
DWORD dwErrCode;
// Capture the entire root directory
dwErrCode = TRootHandler_TVFS::CaptureDirectoryHeader(RootHeader, pbRootFile, pbRootFile + cbRootFile);
dwErrCode = TRootHandler_TVFS::CaptureDirectoryHeader(RootHeader, RootFile);
if(dwErrCode == ERROR_SUCCESS)
{
// Allocate the root handler object