setup_native/source/win32/customactions/shellextensions/copyextensiondata.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  28
  29
  30 #undef UNICODE
  31 #undef _UNICODE
  32
  33 #define _WIN32_WINDOWS 0x0410
  34
  35 #ifdef _MSC_VER
  36 #pragma warning(push, 1) /* disable warnings within system headers */
  37 #define WIN32_LEAN_AND_MEAN
  38 #endif
  39 #include <windows.h>
  40 #include <msiquery.h>
  41 #include <shellapi.h>
  42 #ifdef _MSC_VER
  43 #pragma warning(pop)
  44 #endif
  45
  46 #include <malloc.h>
  47 #include <assert.h>
  48 #include <string.h>
  49
  50 #ifdef UNICODE
  51 #define _UNICODE
  52 #define _tstring    wstring
  53 #else
  54 #define _tstring    string
  55 #endif
  56 #include <tchar.h>
  57 #include <string>
  58
  59
  60 static std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
  61 {
  62     std::_tstring result;
  63     TCHAR szDummy[1] = TEXT("");
  64     DWORD nChars = 0;
  65
  66     if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
  67     {
  68         DWORD nBytes = ++nChars * sizeof(TCHAR);
  69         LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
  70         ZeroMemory( buffer, nBytes );
  71         MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
  72         result = buffer;
  73     }
  74
  75     return result;
  76 }
  77
  78 extern "C" UINT __stdcall copyExtensionData(MSIHANDLE handle) {
  79
  80     std::_tstring sSourceDir = GetMsiProperty( handle, TEXT("SourceDir") );
  81     std::_tstring sExtensionDir = sSourceDir + TEXT("extension\\");
  82     std::_tstring sPattern = sExtensionDir + TEXT("*.oxt");
  83
  84     // Finding all oxt files in sExtensionDir
  85
  86     WIN32_FIND_DATA aFindFileData;
  87
  88     HANDLE hFindOxt = FindFirstFile( sPattern.c_str(), &aFindFileData );
  89
  90     if ( hFindOxt != INVALID_HANDLE_VALUE )
  91     {
  92         bool fNextFile = false;
  93         bool bFailIfExist = true;
  94
  95         std::_tstring sDestDir = GetMsiProperty( handle, TEXT("INSTALLLOCATION") );
  96         std::_tstring sShareInstallDir = sDestDir + TEXT("share\\extension\\install\\");
  97
  98         // creating directories
  99         std::_tstring sShareDir = sDestDir + TEXT("share");
 100         std::_tstring sExtDir = sShareDir + TEXT("\\extension");
 101         std::_tstring sExtInstDir = sExtDir + TEXT("\\install");
 102         CreateDirectory(sShareDir.c_str(), NULL);
 103         CreateDirectory(sExtDir.c_str(), NULL);
 104         CreateDirectory(sExtInstDir.c_str(), NULL);
 105
 106         do
 107         {
 108             std::_tstring sOxtFile = aFindFileData.cFileName;
 109
 110             std::_tstring sSourceFile = sExtensionDir + sOxtFile;
 111             std::_tstring sDestFile = sShareInstallDir + sOxtFile;
 112
 113             CopyFile( sSourceFile.c_str(), sDestFile.c_str(), bFailIfExist );
 114
 115             fNextFile = FindNextFile( hFindOxt, &aFindFileData );
 116
 117         } while ( fNextFile );
 118
 119         FindClose( hFindOxt );
 120     }
 121
 122     return ERROR_SUCCESS;
 123 }
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */