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Diffstat (limited to 'basic/source/sbx/sbxstr.cxx')
-rw-r--r-- | basic/source/sbx/sbxstr.cxx | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/basic/source/sbx/sbxstr.cxx b/basic/source/sbx/sbxstr.cxx new file mode 100644 index 000000000..4e447bb60 --- /dev/null +++ b/basic/source/sbx/sbxstr.cxx @@ -0,0 +1,331 @@ +/* -*- 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 <config_features.h> + +#include <basic/sbx.hxx> +#include "sbxconv.hxx" +#include "sbxres.hxx" +#include <runtime.hxx> +#include <rtl/ustrbuf.hxx> +#include <memory> + +// The conversion of an item onto String was handled via the Put-Methods +// of the several data types to avoid duplicated code. + +OUString ImpGetString( const SbxValues* p ) +{ + SbxValues aTmp; + OUString aRes; + aTmp.eType = SbxSTRING; + aTmp.pOUString = &aRes; + switch( +p->eType ) + { + case SbxNULL: + SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); + [[fallthrough]]; + case SbxEMPTY: + break; + case SbxCHAR: + ImpPutChar( &aTmp, p->nChar ); break; + case SbxBYTE: + ImpPutByte( &aTmp, p->nByte ); break; + case SbxINTEGER: + ImpPutInteger( &aTmp, p->nInteger ); break; + case SbxBOOL: + ImpPutBool( &aTmp, p->nUShort ); break; + case SbxUSHORT: + ImpPutUShort( &aTmp, p->nUShort ); break; + case SbxLONG: + ImpPutLong( &aTmp, p->nLong ); break; + case SbxULONG: + ImpPutULong( &aTmp, p->nULong ); break; + case SbxSINGLE: + ImpPutSingle( &aTmp, p->nSingle ); break; + case SbxDOUBLE: + ImpPutDouble( &aTmp, p->nDouble ); break; + case SbxCURRENCY: + ImpPutCurrency( &aTmp, p->nInt64 ); break; + case SbxDECIMAL: + case SbxBYREF | SbxDECIMAL: + ImpPutDecimal( &aTmp, p->pDecimal ); break; + case SbxSALINT64: + ImpPutInt64( &aTmp, p->nInt64 ); break; + case SbxSALUINT64: + ImpPutUInt64( &aTmp, p->uInt64 ); break; + case SbxBYREF | SbxSTRING: + case SbxSTRING: + case SbxLPSTR: + if ( p->pOUString ) + { + *aTmp.pOUString = *p->pOUString; + } + break; + case SbxOBJECT: + { + SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj ); + if( pVal ) + { + aRes = pVal->GetOUString(); + } + else if( p->pObj && p->pObj->IsFixed() + && (p->pObj->GetType() == (SbxARRAY | SbxBYTE )) ) + { + // convert byte array to string + SbxArray* pArr = dynamic_cast<SbxArray*>( p->pObj ); + if( pArr ) + { + aRes = ByteArrayToString( pArr ); + } + } + else + { + SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); + } + break; + } + case SbxERROR: + // Here the String "Error n" is generated + aRes = GetSbxRes( StringId::ErrorMsg ) + OUString::number(p->nUShort); + break; + case SbxDATE: + ImpPutDate( &aTmp, p->nDouble ); break; + + case SbxBYREF | SbxCHAR: + ImpPutChar( &aTmp, *p->pChar ); break; + case SbxBYREF | SbxBYTE: + ImpPutByte( &aTmp, *p->pByte ); break; + case SbxBYREF | SbxINTEGER: + case SbxBYREF | SbxBOOL: + ImpPutInteger( &aTmp, *p->pInteger ); break; + case SbxBYREF | SbxLONG: + ImpPutLong( &aTmp, *p->pLong ); break; + case SbxBYREF | SbxULONG: + ImpPutULong( &aTmp, *p->pULong ); break; + case SbxBYREF | SbxERROR: + case SbxBYREF | SbxUSHORT: + ImpPutUShort( &aTmp, *p->pUShort ); break; + case SbxBYREF | SbxSINGLE: + ImpPutSingle( &aTmp, *p->pSingle ); break; + case SbxBYREF | SbxDATE: + case SbxBYREF | SbxDOUBLE: + ImpPutDouble( &aTmp, *p->pDouble ); break; + case SbxBYREF | SbxCURRENCY: + ImpPutCurrency( &aTmp, *p->pnInt64 ); break; + case SbxBYREF | SbxSALINT64: + ImpPutInt64( &aTmp, *p->pnInt64 ); break; + case SbxBYREF | SbxSALUINT64: + ImpPutUInt64( &aTmp, *p->puInt64 ); break; + default: + SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); + } + return aRes; +} + +// From 1997-04-10, new function for SbxValue::GetCoreString() +OUString ImpGetCoreString( const SbxValues* p ) +{ + // For now only for double + if( ( p->eType & (~SbxBYREF) ) == SbxDOUBLE ) + { + SbxValues aTmp; + OUString aRes; + aTmp.eType = SbxSTRING; + aTmp.pOUString = &aRes; + if( p->eType == SbxDOUBLE ) + ImpPutDouble( &aTmp, p->nDouble, true ); // true = bCoreString + else + ImpPutDouble( &aTmp, *p->pDouble, true ); // true = bCoreString + return aRes; + } + else + return ImpGetString( p ); +} + +void ImpPutString( SbxValues* p, const OUString* n ) +{ + SbxValues aTmp; + aTmp.eType = SbxSTRING; + std::unique_ptr<OUString> pTmp; + // as a precaution, if a NULL-Ptr appears + if( !n ) + { + pTmp.reset(new OUString); + n = pTmp.get(); + } + aTmp.pOUString = const_cast<OUString*>(n); + switch( +p->eType ) + { + case SbxCHAR: + p->nChar = ImpGetChar( &aTmp ); break; + case SbxBYTE: + p->nByte = ImpGetByte( &aTmp ); break; + case SbxINTEGER: + case SbxBOOL: + p->nInteger = ImpGetInteger( &aTmp ); break; + case SbxLONG: + p->nLong = ImpGetLong( &aTmp ); break; + case SbxULONG: + p->nULong = ImpGetULong( &aTmp ); break; + case SbxERROR: + case SbxUSHORT: + p->nUShort = ImpGetUShort( &aTmp ); break; + case SbxSINGLE: + p->nSingle = ImpGetSingle( &aTmp ); break; + case SbxDATE: + p->nDouble = ImpGetDate( &aTmp ); break; + case SbxDOUBLE: + p->nDouble = ImpGetDouble( &aTmp ); break; + case SbxCURRENCY: + p->nInt64 = ImpGetCurrency( &aTmp ); break; + case SbxDECIMAL: + case SbxBYREF | SbxDECIMAL: + releaseDecimalPtr( p->pDecimal ); + p->pDecimal = ImpGetDecimal( &aTmp ); break; + case SbxSALINT64: + p->nInt64 = ImpGetInt64( &aTmp ); break; + case SbxSALUINT64: + p->uInt64 = ImpGetUInt64( &aTmp ); break; + + case SbxBYREF | SbxSTRING: + case SbxSTRING: + case SbxLPSTR: + if( !n->isEmpty() ) + { + if( !p->pOUString ) + p->pOUString = new OUString( *n ); + else + *p->pOUString = *n; + } + else + { + delete p->pOUString; + p->pOUString = nullptr; + } + break; + case SbxOBJECT: + { + SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj ); + if( pVal ) + pVal->PutString( *n ); + else + SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); + break; + } + case SbxBYREF | SbxCHAR: + *p->pChar = ImpGetChar( p ); break; + case SbxBYREF | SbxBYTE: + *p->pByte = ImpGetByte( p ); break; + case SbxBYREF | SbxINTEGER: + *p->pInteger = ImpGetInteger( p ); break; + case SbxBYREF | SbxBOOL: + *p->pUShort = sal::static_int_cast< sal_uInt16 >( ImpGetBool( p ) ); + break; + case SbxBYREF | SbxERROR: + case SbxBYREF | SbxUSHORT: + *p->pUShort = ImpGetUShort( p ); break; + case SbxBYREF | SbxLONG: + *p->pLong = ImpGetLong( p ); break; + case SbxBYREF | SbxULONG: + *p->pULong = ImpGetULong( p ); break; + case SbxBYREF | SbxSINGLE: + *p->pSingle = ImpGetSingle( p ); break; + case SbxBYREF | SbxDATE: + *p->pDouble = ImpGetDate( p ); break; + case SbxBYREF | SbxDOUBLE: + *p->pDouble = ImpGetDouble( p ); break; + case SbxBYREF | SbxCURRENCY: + *p->pnInt64 = ImpGetCurrency( p ); break; + case SbxBYREF | SbxSALINT64: + *p->pnInt64 = ImpGetInt64( p ); break; + case SbxBYREF | SbxSALUINT64: + *p->puInt64 = ImpGetUInt64( p ); break; + default: + SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); + } +} + + +// Convert string to an array of bytes, preserving unicode (2bytes per character) +SbxArray* StringToByteArray(const OUString& rStr) +{ + sal_Int32 nArraySize = rStr.getLength() * 2; + const sal_Unicode* pSrc = rStr.getStr(); + SbxDimArray* pArray = new SbxDimArray(SbxBYTE); + if( nArraySize ) + { +#if !HAVE_FEATURE_SCRIPTING + bool bIncIndex = false; +#else + bool bIncIndex = IsBaseIndexOne(); +#endif + if( bIncIndex ) + pArray->AddDim(1, nArraySize); + else + pArray->AddDim(0, nArraySize - 1); + } + else + { + pArray->unoAddDim(0, -1); + } + + for( sal_Int32 i=0; i< nArraySize; i++) + { + SbxVariable* pNew = new SbxVariable( SbxBYTE ); + sal_uInt8 aByte = static_cast< sal_uInt8 >( (i%2) ? ((*pSrc) >> 8) & 0xff : (*pSrc) & 0xff ); + pNew->PutByte( aByte ); + pNew->SetFlag( SbxFlagBits::Write ); + pArray->Put(pNew, i); + if( i%2 ) + pSrc++; + } + return pArray; +} + +// Convert an array of bytes to string (2bytes per character) +OUString ByteArrayToString(SbxArray* pArr) +{ + sal_uInt32 nCount = pArr->Count(); + OUStringBuffer aStrBuf((nCount + 1) / 2); + sal_Unicode aChar = 0; + for( sal_uInt32 i = 0 ; i < nCount ; i++ ) + { + sal_Unicode aTempChar = pArr->Get(i)->GetByte(); + if( i%2 ) + { + aChar = (aTempChar << 8 ) | aChar; + aStrBuf.append(aChar); + aChar = 0; + } + else + { + aChar = aTempChar; + } + } + + if( nCount%2 ) + { + aStrBuf.append(aChar); + } + + return aStrBuf.makeStringAndClear(); +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |