basic/source/runtime/dllmgr-none.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #if defined(_WIN32)
  23 #include <prewin.h>
  24 #include <postwin.h>
  25 #endif
  26
  27 #include <basic/sberrors.hxx>
  28 #include <basic/sbx.hxx>
  29 #include <basic/sbxvar.hxx>
  30 #include <rtl/ustring.hxx>
  31 #include <osl/time.h>
  32
  33 #include "dllmgr.hxx"
  34
  35 namespace {
  36
  37 // Overcome the mess of Currency vs. custom types etc.
  38 ErrCode returnInt64InOutArg(SbxArray *pArgs, SbxVariable &rRetVal,
  39                             sal_Int64 nValue)
  40 {
  41     if (!rRetVal.PutLong(1) && !rRetVal.PutInteger(1))
  42         return ERRCODE_BASIC_BAD_ARGUMENT;
  43     if (!pArgs || pArgs->Count() != 2)
  44         return ERRCODE_BASIC_BAD_ARGUMENT;
  45     SbxVariable* pOut = pArgs->Get(1);
  46     if (!pOut)
  47         return ERRCODE_BASIC_BAD_ARGUMENT;
  48     if (pOut->IsCurrency())
  49     {
  50         pOut->PutCurrency(nValue);
  51         return ERRCODE_NONE;
  52     }
  53     if (pOut->IsObject())
  54     {
  55         // FIXME: should we clone this and use pOut->PutObject ?
  56         SbxObject* pObj = dynamic_cast<SbxObject*>( pOut->GetObject() );
  57         if (!pObj)
  58             return ERRCODE_BASIC_BAD_ARGUMENT;
  59
  60         // We expect two Longs but other mappings could be possible too.
  61         SbxArray* pProps = pObj->GetProperties();
  62         if (pProps->Count() != 2)
  63             return ERRCODE_BASIC_BAD_ARGUMENT;
  64         SbxVariable* pLow = pProps->Get(0);
  65         SbxVariable* pHigh = pProps->Get(1);
  66         if (!pLow || !pLow->IsLong() ||
  67             !pHigh || !pHigh->IsLong())
  68             return ERRCODE_BASIC_BAD_ARGUMENT;
  69         pLow->PutLong(nValue & 0xffffffff);
  70         pHigh->PutLong(nValue >> 32);
  71         return ERRCODE_NONE;
  72     }
  73     return ERRCODE_BASIC_BAD_ARGUMENT;
  74 }
  75
  76 ErrCode builtin_kernel32(std::u16string_view aFuncName, SbxArray *pArgs,
  77                          SbxVariable &rRetVal)
  78 {
  79     sal_Int64 nNanoSecsPerSec = 1000.0*1000*1000;
  80     if (aFuncName == u"QueryPerformanceFrequency")
  81         return returnInt64InOutArg(pArgs, rRetVal, nNanoSecsPerSec);
  82
  83     else if (aFuncName == u"QueryPerformanceCounter")
  84     {
  85         TimeValue aNow;
  86         osl_getSystemTime( &aNow );
  87         sal_Int64 nStamp = aNow.Nanosec + aNow.Seconds * nNanoSecsPerSec;
  88         return returnInt64InOutArg(pArgs, rRetVal, nStamp);
  89     }
  90     return ERRCODE_BASIC_NOT_IMPLEMENTED;
  91 }
  92
  93 };
  94
  95 ErrCode SbiDllMgr::Call(
  96     std::u16string_view aFuncName, std::u16string_view aDllName,
  97     SbxArray *pArgs, SbxVariable &rRetVal,
  98     SAL_UNUSED_PARAMETER bool /* bCDecl */)
  99 {
 100     if (aDllName == u"kernel32")
 101         return builtin_kernel32(aFuncName, pArgs, rRetVal);
 102     else
 103         return ERRCODE_BASIC_NOT_IMPLEMENTED;
 104 }
 105
 106 void SbiDllMgr::FreeDll(SAL_UNUSED_PARAMETER OUString const &) {}
 107
 108 SbiDllMgr::SbiDllMgr() = default;
 109
 110 SbiDllMgr::~SbiDllMgr() = default;
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */