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Diffstat (limited to '')
| -rw-r--r-- | connectivity/source/drivers/ado/Aolevariant.cxx | 687 |
1 files changed, 687 insertions, 0 deletions
diff --git a/connectivity/source/drivers/ado/Aolevariant.cxx b/connectivity/source/drivers/ado/Aolevariant.cxx new file mode 100644 index 000000000..c082c1987 --- /dev/null +++ b/connectivity/source/drivers/ado/Aolevariant.cxx @@ -0,0 +1,687 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <ado/Aolevariant.hxx> +#include <connectivity/dbconversion.hxx> +#include <osl/diagnose.h> +#include <o3tl/char16_t2wchar_t.hxx> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/util/Time.hpp> +#include <com/sun/star/util/Date.hpp> +#include <com/sun/star/util/DateTime.hpp> +#include <resource/sharedresources.hxx> +#include <strings.hrc> +#include <com/sun/star/bridge/oleautomation/Date.hpp> +#include <com/sun/star/bridge/oleautomation/Currency.hpp> +#include <com/sun/star/bridge/oleautomation/SCode.hpp> +#include <com/sun/star/bridge/oleautomation/Decimal.hpp> + +using namespace com::sun::star::beans; +using namespace com::sun::star::uno; +using namespace com::sun::star::bridge::oleautomation; +using namespace connectivity::ado; + +OLEVariant::OLEVariant() +{ + VariantInit(this); +} +OLEVariant::OLEVariant(const VARIANT& varSrc) +{ + ::VariantInit(this); + HRESULT eRet = ::VariantCopy(this, &varSrc); + OSL_ENSURE(eRet == S_OK,"Error while copying an ado variant!"); +} +OLEVariant::OLEVariant(const OLEVariant& varSrc) +{ + ::VariantInit(this); + HRESULT eRet = ::VariantCopy(this, static_cast<const VARIANT*>(&varSrc)); + OSL_ENSURE(eRet == S_OK,"Error while copying an ado variant!"); +} + +OLEVariant::OLEVariant(bool x) { VariantInit(this); vt = VT_BOOL; boolVal = (x ? VARIANT_TRUE : VARIANT_FALSE);} +OLEVariant::OLEVariant(sal_Int8 n) { VariantInit(this); vt = VT_I1; bVal = n;} +OLEVariant::OLEVariant(sal_Int16 n) { VariantInit(this); vt = VT_I2; intVal = n;} +OLEVariant::OLEVariant(sal_Int32 n) { VariantInit(this); vt = VT_I4; lVal = n;} +OLEVariant::OLEVariant(sal_Int64 x) { VariantInit(this); vt = VT_I4; lVal = static_cast<LONG>(x);} + +OLEVariant::OLEVariant(std::u16string_view us) +{ + ::VariantInit(this); + vt = VT_BSTR; + bstrVal = SysAllocStringLen(o3tl::toW(us.data()), us.length()); +} +OLEVariant::~OLEVariant() +{ + HRESULT eRet = ::VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); +} // clears all the memory that was allocated before + +OLEVariant::OLEVariant(const css::util::Date& x ) +{ + VariantInit(this); + vt = VT_DATE; + dblVal = ::dbtools::DBTypeConversion::toDouble(x,css::util::Date(30,12,1899)); +} +OLEVariant::OLEVariant(const css::util::Time& x ) +{ + VariantInit(this); + vt = VT_DATE; + dblVal = ::dbtools::DBTypeConversion::toDouble(x); +} +OLEVariant::OLEVariant(const css::util::DateTime& x ) +{ + VariantInit(this); + vt = VT_DATE; + dblVal = ::dbtools::DBTypeConversion::toDouble(x,css::util::Date(30,12,1899)); +} +OLEVariant::OLEVariant(float x) +{ + VariantInit(this); + vt = VT_R4; + fltVal = x; +} +OLEVariant::OLEVariant(const double &x) +{ + VariantInit(this); + vt = VT_R8; + dblVal = x; +} + + +OLEVariant::OLEVariant(IDispatch* pDispInterface) +{ + VariantInit(this); + setIDispatch( pDispInterface ); +} + +OLEVariant::OLEVariant(const css::uno::Sequence< sal_Int8 >& x) +{ + VariantInit(this); + + vt = VT_ARRAY|VT_UI1; + + parray = SafeArrayCreateVector(VT_UI1, 0, x.getLength()); + const sal_Int8* pBegin = x.getConstArray(); + const sal_Int8* pEnd = pBegin + x.getLength(); + + for(sal_Int32 i=0;pBegin != pEnd;++i,++pBegin) + { + sal_Int32 nData = *pBegin; + HRESULT rs = SafeArrayPutElement(parray,&i,&nData); + OSL_ENSURE(S_OK == rs,"Error while copy byte data"); + } +} + +OLEVariant& OLEVariant::operator=(const OLEVariant& varSrc) +{ + HRESULT eRet = ::VariantCopy(this, static_cast<const VARIANT*>(&varSrc)); + OSL_ENSURE(eRet == S_OK,"Error while copying an ado variant!"); + return *this; +} +// Assign a const VARIANT& (::VariantCopy handles everything) + +OLEVariant& OLEVariant::operator=(const tagVARIANT& varSrc) +{ + HRESULT eRet = ::VariantCopy(this, &varSrc); + OSL_ENSURE(eRet == S_OK,"Error while copying an ado variant!"); + + return *this; +} + +// Assign a const VARIANT* (::VariantCopy handles everything) + +OLEVariant& OLEVariant::operator=(const VARIANT* pSrc) +{ + HRESULT eRet = ::VariantCopy(this, pSrc); + OSL_ENSURE(eRet == S_OK,"Error while copying an ado variant!"); + + return *this; +} + +void OLEVariant::setByte(sal_uInt8 n) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_UI1; + bVal = n; +} +void OLEVariant::setInt16(sal_Int16 n) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_I2; + iVal = n; +} +void OLEVariant::setInt32(sal_Int32 n) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_I4; + lVal = n; +} +void OLEVariant::setFloat(float f) +{ HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_R4; + fltVal = f; +} +void OLEVariant::setDouble(double d) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_R8; + dblVal = d; +} +void OLEVariant::setDate(DATE d) +{ HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_DATE; + date = d; +} +void OLEVariant::setChar(unsigned char a) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_UI1; + bVal = a; +} +void OLEVariant::setCurrency(double aCur) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_CY; + set(aCur*10000); +} +void OLEVariant::setBool(bool b) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_BOOL; + boolVal = b ? VARIANT_TRUE : VARIANT_FALSE; +} +void OLEVariant::setString(std::u16string_view us) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_BSTR; + bstrVal = SysAllocStringLen(o3tl::toW(us.data()), us.length()); +} +void OLEVariant::setNoArg() +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_ERROR; + scode = DISP_E_PARAMNOTFOUND; +} + +void OLEVariant::setNull() +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_NULL; +} +void OLEVariant::setEmpty() +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_EMPTY; +} + +void OLEVariant::setUI1SAFEARRAYPtr(SAFEARRAY* pSafeAr) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = VT_ARRAY|VT_UI1; parray = pSafeAr; +} + +void OLEVariant::setArray(SAFEARRAY* pSafeArray, VARTYPE vtType) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + vt = static_cast<VARTYPE>(VT_ARRAY|vtType); + parray = pSafeArray; +} + +void OLEVariant::setIDispatch(IDispatch* pDispInterface) +{ + HRESULT eRet = VariantClear(this); + OSL_ENSURE(eRet == S_OK,"Error while clearing an ado variant!"); + + vt = VT_DISPATCH; + pdispVal = pDispInterface; + + if ( pDispInterface ) + pDispInterface->AddRef(); +} + + +bool OLEVariant::isNull() const { return (vt == VT_NULL); } +bool OLEVariant::isEmpty() const { return (vt == VT_EMPTY); } + +VARTYPE OLEVariant::getType() const { return vt; } + +css::util::Date OLEVariant::getDate() const +{ + return isNull() ? css::util::Date(30,12,1899) : ::dbtools::DBTypeConversion::toDate(getDateAsDouble(),css::util::Date(30,12,1899)); +} +css::util::Time OLEVariant::getTime() const +{ + return isNull() ? css::util::Time() : ::dbtools::DBTypeConversion::toTime(getDateAsDouble()); +} +css::util::DateTime OLEVariant::getDateTime() const +{ + return isNull() ? css::util::DateTime() : ::dbtools::DBTypeConversion::toDateTime(getDateAsDouble(),css::util::Date(30,12,1899)); +} + +VARIANT_BOOL OLEVariant::VariantBool(bool bEinBoolean) +{ + return (bEinBoolean ? VARIANT_TRUE : VARIANT_FALSE); +} + +void OLEVariant::CHS() +{ + cyVal.Lo ^= sal_uInt32(-1); + cyVal.Hi ^= -1; + cyVal.Lo++; + if( !cyVal.Lo ) + cyVal.Hi++; +} + +void OLEVariant::set(double n) +{ + if( n >= 0 ) + { + cyVal.Hi = static_cast<sal_Int32>(n / 4294967296.0); + cyVal.Lo = static_cast<sal_uInt32>(n - (static_cast<double>(cyVal.Hi) * 4294967296.0)); + } + else { + cyVal.Hi = static_cast<sal_Int32>(-n / 4294967296.0); + cyVal.Lo = static_cast<sal_uInt32>(-n - (static_cast<double>(cyVal.Hi) * 4294967296.0)); + CHS(); + } +} + +OUString OLEVariant::getString() const +{ + if (V_VT(this) == VT_BSTR) + return OUString(o3tl::toU(V_BSTR(this))); + + if(isNull()) + return OUString(); + + OLEVariant varDest; + + varDest.ChangeType(VT_BSTR, this); + + return OUString(o3tl::toU(V_BSTR(&varDest))); +} + + +void OLEVariant::ChangeType(VARTYPE vartype, const OLEVariant* pSrc) +{ + + // If pDest is NULL, convert type in place + + if (pSrc == nullptr) + pSrc = this; + + if ( ( this != pSrc ) + || ( vartype != V_VT( this ) ) + ) + { + if ( FAILED( ::VariantChangeType( static_cast< VARIANT* >( this ), + static_cast< const VARIANT* >( pSrc ), + 0, + vartype ) ) ) + { + ::connectivity::SharedResources aResources; + const OUString sError( aResources.getResourceString(STR_TYPE_NOT_CONVERT)); + throw css::sdbc::SQLException( + sError, + nullptr, + "S1000", + 1000, + css::uno::Any() + ); + } + } +} + + +css::uno::Sequence< sal_Int8 > OLEVariant::getByteSequence() const +{ + css::uno::Sequence< sal_Int8 > aRet; + if(V_VT(this) == VT_BSTR) + { + aRet = css::uno::Sequence<sal_Int8>(reinterpret_cast<sal_Int8*>(V_BSTR(this)), + ::SysStringByteLen(V_BSTR(this))); + } + else if(!isNull()) + { + SAFEARRAY* pArray = getUI1SAFEARRAYPtr(); + + if(pArray) + { + HRESULT hresult1,hresult2; + LONG lBound,uBound; + // Verify that the SafeArray is the proper shape. + hresult1 = ::SafeArrayGetLBound(pArray, 1, &lBound); + hresult2 = ::SafeArrayGetUBound(pArray, 1, &uBound); + if ( SUCCEEDED(hresult1) && SUCCEEDED(hresult2) ) + { + LONG nCount = uBound-lBound+1; + aRet.realloc(nCount); + sal_Int8* pData = aRet.getArray(); + for(; SUCCEEDED(hresult1) && lBound <= uBound ;++lBound) + { + sal_Int32 nData = 0; + hresult1 = ::SafeArrayGetElement(pArray,&lBound,&nData); + if ( SUCCEEDED(hresult1) ) + { + *pData = static_cast<sal_Int8>(nData); + ++pData; + } + } + } + } + } + + return aRet; +} + +bool OLEVariant::getBool() const +{ + if (V_VT(this) == VT_BOOL) + return V_BOOL(this) == VARIANT_TRUE; + if(isNull()) + return false; + + OLEVariant varDest; + + varDest.ChangeType(VT_BOOL, this); + + return V_BOOL(&varDest) == VARIANT_TRUE; +} + +IUnknown* OLEVariant::getIUnknown() const +{ + if (V_VT(this) == VT_UNKNOWN) + { + return V_UNKNOWN(this); + } + if(isNull()) + return nullptr; + + OLEVariant varDest; + + varDest.ChangeType(VT_UNKNOWN, this); + + V_UNKNOWN(&varDest)->AddRef(); + return V_UNKNOWN(&varDest); +} + +IDispatch* OLEVariant::getIDispatch() const +{ + if (V_VT(this) == VT_DISPATCH) + { + return V_DISPATCH(this); + } + + if(isNull()) + return nullptr; + + OLEVariant varDest; + + varDest.ChangeType(VT_DISPATCH, this); + + V_DISPATCH(&varDest)->AddRef(); + return V_DISPATCH(&varDest); +} + +sal_uInt8 OLEVariant::getByte() const +{ + if (V_VT(this) == VT_UI1) + return V_UI1(this); + + if(isNull()) + return sal_Int8(0); + OLEVariant varDest; + + varDest.ChangeType(VT_UI1, this); + + return V_UI1(&varDest); +} + +sal_Int16 OLEVariant::getInt16() const +{ + if (V_VT(this) == VT_I2) + return V_I2(this); + + if(isNull()) + return sal_Int16(0); + OLEVariant varDest; + + varDest.ChangeType(VT_I2, this); + + return V_I2(&varDest); +} + +sal_Int8 OLEVariant::getInt8() const +{ + if (V_VT(this) == VT_I1) + return V_I1(this); + + if(isNull()) + return sal_Int8(0); + + OLEVariant varDest; + + varDest.ChangeType(VT_I1, this); + + return V_I1(&varDest); +} + +sal_Int32 OLEVariant::getInt32() const +{ + if (V_VT(this) == VT_I4) + return V_I4(this); + + if(isNull()) + return sal_Int32(0); + + OLEVariant varDest; + + varDest.ChangeType(VT_I4, this); + + return V_I4(&varDest); +} + +sal_uInt32 OLEVariant::getUInt32() const +{ + if (V_VT(this) == VT_UI4) + return V_UI4(this); + + if(isNull()) + return sal_uInt32(0); + + OLEVariant varDest; + + varDest.ChangeType(VT_UI4, this); + + return V_UI4(&varDest); +} + +float OLEVariant::getFloat() const +{ + if (V_VT(this) == VT_R4) + return V_R4(this); + + if(isNull()) + return float(0); + OLEVariant varDest; + + varDest.ChangeType(VT_R4, this); + + return V_R4(&varDest); +} + +double OLEVariant::getDouble() const +{ + if (V_VT(this) == VT_R8) + return V_R8(this); + + if(isNull()) + return double(0); + OLEVariant varDest; + + varDest.ChangeType(VT_R8, this); + + return V_R8(&varDest); +} + +double OLEVariant::getDateAsDouble() const +{ + if (V_VT(this) == VT_DATE) + return V_DATE(this); + + if(isNull()) + return double(0); + OLEVariant varDest; + + varDest.ChangeType(VT_DATE, this); + + return V_DATE(&varDest); +} + +CY OLEVariant::getCurrency() const +{ + if (V_VT(this) == VT_CY) + return V_CY(this); + + if(isNull()) + { + CY aVar; + aVar.int64 = sal_Int64(0); + return aVar; + } + OLEVariant varDest; + + varDest.ChangeType(VT_CY, this); + + return V_CY(&varDest); +} + +SAFEARRAY* OLEVariant::getUI1SAFEARRAYPtr() const +{ + if (V_VT(this) == (VT_ARRAY|VT_UI1)) + return V_ARRAY(this); + + if(isNull()) + return nullptr; + OLEVariant varDest; + + varDest.ChangeType((VT_ARRAY|VT_UI1), this); + + return V_ARRAY(&varDest); +} + +css::uno::Any OLEVariant::makeAny() const +{ + css::uno::Any aValue; + switch (V_VT(this)) + { + case VT_EMPTY: + case VT_NULL: + aValue.setValue(nullptr, Type()); + break; + case VT_I2: + aValue.setValue( & iVal, cppu::UnoType<sal_Int16>::get()); + break; + case VT_I4: + aValue.setValue( & lVal, cppu::UnoType<sal_Int32>::get()); + break; + case VT_R4: + aValue.setValue( & fltVal, cppu::UnoType<float>::get()); + break; + case VT_R8: + aValue.setValue(& dblVal, cppu::UnoType<double>::get()); + break; + case VT_CY: + { + Currency cy(cyVal.int64); + aValue <<= cy; + break; + } + case VT_DATE: + { + aValue <<= getDate(); + break; + } + case VT_BSTR: + { + OUString b(o3tl::toU(bstrVal)); + aValue.setValue( &b, cppu::UnoType<decltype(b)>::get()); + break; + } + case VT_BOOL: + { + aValue <<= (boolVal == VARIANT_TRUE); + break; + } + case VT_I1: + aValue.setValue( & cVal, cppu::UnoType<sal_Int8>::get()); + break; + case VT_UI1: // there is no unsigned char in UNO + aValue <<= sal_Int8(bVal); + break; + case VT_UI2: + aValue.setValue( & uiVal, cppu::UnoType<cppu::UnoUnsignedShortType>::get()); + break; + case VT_UI4: + aValue.setValue( & ulVal, cppu::UnoType<sal_uInt32>::get()); + break; + case VT_INT: + aValue.setValue( & intVal, cppu::UnoType<sal_Int32>::get()); + break; + case VT_UINT: + aValue.setValue( & uintVal, cppu::UnoType<sal_uInt32>::get()); + break; + case VT_VOID: + aValue.setValue( nullptr, Type()); + break; + case VT_DECIMAL: + { + Decimal dec; + dec.Scale = decVal.scale; + dec.Sign = decVal.sign; + dec.LowValue = decVal.Lo32; + dec.MiddleValue = decVal.Mid32; + dec.HighValue = decVal.Hi32; + aValue <<= dec; + break; + } + + default: + break; + } + return aValue; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |