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 struct SbiDllMgr::Impl {};
  36
  37 namespace {
  38
  39 // Overcome the mess of Currency vs. custom types etc.
  40 ErrCode returnInt64InOutArg(SbxArray *pArgs, SbxVariable &rRetVal,
  41                             sal_Int64 nValue)
  42 {
  43     if (!rRetVal.PutLong(1) && !rRetVal.PutInteger(1))
  44         return ERRCODE_BASIC_BAD_ARGUMENT;
  45     if (!pArgs || pArgs->Count() != 2)
  46         return ERRCODE_BASIC_BAD_ARGUMENT;
  47     SbxVariable *pOut = pArgs->Get(1);
  48     if (!pOut)
  49         return ERRCODE_BASIC_BAD_ARGUMENT;
  50     if (pOut->IsCurrency())
  51     {
  52         pOut->PutCurrency(nValue);
  53         return ERRCODE_NONE;
  54     }
  55     if (pOut->IsObject())
  56     {
  57         // FIXME: should we clone this and use pOut->PutObject ?
  58         SbxObject* pObj = dynamic_cast<SbxObject*>( pOut->GetObject() );
  59         if (!pObj)
  60             return ERRCODE_BASIC_BAD_ARGUMENT;
  61
  62         // We expect two Longs but other mappings could be possible too.
  63         SbxArray* pProps = pObj->GetProperties();
  64         if (pProps->Count32() != 2)
  65             return ERRCODE_BASIC_BAD_ARGUMENT;
  66         SbxVariable* pLow = pProps->Get32( 0 );
  67         SbxVariable* pHigh = pProps->Get32( 1 );
  68         if (!pLow || !pLow->IsLong() ||
  69             !pHigh || !pHigh->IsLong())
  70             return ERRCODE_BASIC_BAD_ARGUMENT;
  71         pLow->PutLong(nValue & 0xffffffff);
  72         pHigh->PutLong(nValue >> 32);
  73         return ERRCODE_NONE;
  74     }
  75     return ERRCODE_BASIC_BAD_ARGUMENT;
  76 }
  77
  78 ErrCode builtin_kernel32(const OUString &aFuncName, SbxArray *pArgs,
  79                          SbxVariable &rRetVal)
  80 {
  81     sal_Int64 nNanoSecsPerSec = 1000.0*1000*1000;
  82     if (aFuncName == "QueryPerformanceFrequency")
  83         return returnInt64InOutArg(pArgs, rRetVal, nNanoSecsPerSec);
  84
  85     else if (aFuncName == "QueryPerformanceCounter")
  86     {
  87         TimeValue aNow;
  88         osl_getSystemTime( &aNow );
  89         sal_Int64 nStamp = aNow.Nanosec + aNow.Seconds * nNanoSecsPerSec;
  90         return returnInt64InOutArg(pArgs, rRetVal, nStamp);
  91     }
  92     return ERRCODE_BASIC_NOT_IMPLEMENTED;
  93 }
  94
  95 };
  96
  97 ErrCode SbiDllMgr::Call(
  98     const OUString &aFuncName, const OUString &aDllName,
  99     SbxArray *pArgs, SbxVariable &rRetVal,
 100     SAL_UNUSED_PARAMETER bool /* bCDecl */)
 101 {
 102     if (aDllName == "kernel32")
 103         return builtin_kernel32(aFuncName, pArgs, rRetVal);
 104     else
 105         return ERRCODE_BASIC_NOT_IMPLEMENTED;
 106 }
 107
 108 void SbiDllMgr::FreeDll(SAL_UNUSED_PARAMETER OUString const &) {}
 109
 110 SbiDllMgr::SbiDllMgr(): impl_(new Impl) {}
 111
 112 SbiDllMgr::~SbiDllMgr() {}
 113
 114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */