Added missing file

Author: Zezula Ladislav

src/CascRootFile_Install.cpp

@@ -0,0 +1,121 @@
+/*****************************************************************************/
+/* CascRootFile_Install.cpp               Copyright (c) Ladislav Zezula 2018 */
+/*---------------------------------------------------------------------------*/
+/* Support for ROOT handler based on INSTALL manifest                        */
+/*---------------------------------------------------------------------------*/
+/*   Date    Ver   Who  Comment                                              */
+/* --------  ----  ---  -------                                              */
+/* 21.05.19  1.00  Lad  The first version of CascRootFile_Install.cpp        */
+/*****************************************************************************/
+
+#define __CASCLIB_SELF__
+#include "CascLib.h"
+#include "CascCommon.h"
+
+//-----------------------------------------------------------------------------
+// Handler definitions for Starcraft I root file
+
+struct TRootHandler_Install : public TFileTreeRoot
+{
+    public:
+
+    TRootHandler_Install() : TFileTreeRoot(0)
+    {
+        // We have file names and return CKey as result of search
+        dwFeatures |= (CASC_FEATURE_FILE_NAMES | CASC_FEATURE_ROOT_CKEY);
+    }
+
+    static int CaptureInstallHeader(CASC_INSTALL_HEADER & InHeader, LPBYTE pbFileData, size_t cbFileData)
+    {
+        PFILE_INSTALL_HEADER pFileHeader = (PFILE_INSTALL_HEADER)pbFileData;
+
+        // Check the signature ('DL') and version
+        if (cbFileData < sizeof(FILE_INSTALL_HEADER) || pFileHeader->Magic != FILE_MAGIC_INSTALL || pFileHeader->Version != 1)
+            return ERROR_BAD_FORMAT;
+
+        // Note that we don't support CKey sizes greater than 0x10 in the INSTALL file
+        if (pFileHeader->EKeyLength > MD5_HASH_SIZE)
+            return ERROR_BAD_FORMAT;
+
+        // Capture the header version 1
+        memset(&InHeader, 0, sizeof(CASC_INSTALL_HEADER));
+        InHeader.Magic = pFileHeader->Magic;
+        InHeader.Version = pFileHeader->Version;
+        InHeader.EKeyLength = pFileHeader->EKeyLength;
+        InHeader.TagCount = ConvertBytesToInteger_2(pFileHeader->TagCount);
+        InHeader.EntryCount = ConvertBytesToInteger_4(pFileHeader->EntryCount);
+        InHeader.HeaderLength = sizeof(FILE_INSTALL_HEADER);
+        return ERROR_SUCCESS;
+    }
+
+    int Load(TCascStorage * hs, CASC_INSTALL_HEADER InHeader, LPBYTE pbInstallFile, LPBYTE pbInstallEnd)
+    {
+        PCASC_CKEY_ENTRY pCKeyEntry;
+        const char * szString;
+        size_t nBitmapLength;
+        size_t nFileCount = InHeader.EntryCount;
+
+        // Skip the header
+        pbInstallFile += InHeader.HeaderLength;
+
+        // Skip the tags
+        for (DWORD i = 0; i < InHeader.TagCount; i++)
+        {
+            szString = (const char *)pbInstallFile;
+            nBitmapLength = GetTagBitmapLength(pbInstallFile, pbInstallEnd, InHeader.EntryCount);
+            pbInstallFile = pbInstallFile + strlen(szString) + 1 + sizeof(USHORT) + nBitmapLength;
+        }
+
+        // Load the names and insert them to the root handler
+        while(nFileCount > 0 && pbInstallFile < pbInstallEnd)
+        {
+            // File Name and CKey
+            szString = (const char *)pbInstallFile;
+            pbInstallFile += strlen(szString) + 1;
+
+            // Verify whether it is a known entry
+            pCKeyEntry = FindCKeyEntry_CKey(hs, pbInstallFile);
+            pbInstallFile += MD5_HASH_SIZE + sizeof(DWORD);
+
+            // Insert the FileName+CKey to the file tree
+            if (pCKeyEntry != NULL)
+                FileTree.InsertByName(pCKeyEntry, szString);
+            nFileCount--;
+        }
+
+        return ERROR_SUCCESS;
+    }
+};
+
+//-----------------------------------------------------------------------------
+// Public functions
+
+//
+// Starcraft ROOT file is a text file with the following format:
+// HD2/portraits/NBluCrit/NLCFID01.webm|c2795b120592355d45eba9cdc37f691e
+// locales/enUS/Assets/campaign/EXPZerg/Zerg08/staredit/wav/zovtra01.ogg|316b0274bf2dabaa8db60c3ff1270c85
+// locales/zhCN/Assets/sound/terran/ghost/tghdth01.wav|6637ed776bd22089e083b8b0b2c0374c
+//
+
+int RootHandler_CreateInstall(TCascStorage * hs, LPBYTE pbInstallFile, DWORD cbInstallFile)
+{
+    CASC_INSTALL_HEADER InHeader;
+    TRootHandler_Install * pRootHandler = NULL;
+    int nError = ERROR_BAD_FORMAT;
+
+    // Capture the header of the DOWNLOAD file
+    nError = TRootHandler_Install::CaptureInstallHeader(InHeader, pbInstallFile, cbInstallFile);
+    if (nError == ERROR_SUCCESS)
+    {
+        // Allocate the root handler object
+        pRootHandler = new TRootHandler_Install();
+        if (pRootHandler != NULL)
+        {
+            // Parse the entire install manifest
+            nError = pRootHandler->Load(hs, InHeader, pbInstallFile, pbInstallFile + cbInstallFile);
+            hs->pRootHandler = pRootHandler;
+        }
+    }
+
+    return nError;
+}