xref: /trunk/main/connectivity/source/drivers/flat/ETable.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_connectivity.hxx"
30 
31 #include <ctype.h>
32 #include "flat/ETable.hxx"
33 #include <com/sun/star/sdbc/ColumnValue.hpp>
34 #include <com/sun/star/sdbc/DataType.hpp>
35 #include <com/sun/star/ucb/XContentAccess.hpp>
36 #include <svl/converter.hxx>
37 #include "flat/EConnection.hxx"
38 #include "flat/EColumns.hxx"
39 #include <osl/thread.h>
40 #include <tools/config.hxx>
41 #include <comphelper/sequence.hxx>
42 #include <svl/zforlist.hxx>
43 #include <rtl/math.hxx>
44 #include <stdio.h>      //sprintf
45 #include <comphelper/extract.hxx>
46 #include <comphelper/numbers.hxx>
47 #include "flat/EDriver.hxx"
48 #include <com/sun/star/util/NumberFormat.hpp>
49 #include <unotools/configmgr.hxx>
50 #include <i18npool/mslangid.hxx>
51 #include "connectivity/dbconversion.hxx"
52 #include <comphelper/types.hxx>
53 #include "file/quotedstring.hxx"
54 #include <unotools/syslocale.hxx>
55 #include <rtl/logfile.hxx>
56 
57 using namespace ::comphelper;
58 using namespace connectivity;
59 using namespace connectivity::flat;
60 using namespace connectivity::file;
61 using namespace ::cppu;
62 using namespace utl;
63 using namespace ::com::sun::star::uno;
64 using namespace ::com::sun::star::ucb;
65 using namespace ::com::sun::star::beans;
66 using namespace ::com::sun::star::sdbcx;
67 using namespace ::com::sun::star::sdbc;
68 using namespace ::com::sun::star::container;
69 using namespace ::com::sun::star::lang;
70 
71 // -------------------------------------------------------------------------
72 void OFlatTable::fillColumns(const ::com::sun::star::lang::Locale& _aLocale)
73 {
74     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::fillColumns" );
75     sal_Bool bRead = sal_True;
76 
77     QuotedTokenizedString aHeaderLine;
78     OFlatConnection* pConnection = (OFlatConnection*)m_pConnection;
79     const rtl_TextEncoding nEncoding = m_pConnection->getTextEncoding();
80     const sal_Bool bHasHeaderLine = pConnection->isHeaderLine();
81     if ( bHasHeaderLine )
82     {
83         while(bRead && !aHeaderLine.Len())
84         {
85             bRead = m_pFileStream->ReadByteStringLine(aHeaderLine,nEncoding);
86         }
87         m_nStartRowFilePos = m_pFileStream->Tell();
88     }
89 
90     // read first row
91     QuotedTokenizedString aFirstLine;
92     bRead = m_pFileStream->ReadByteStringLine(aFirstLine,nEncoding);
93 
94     if ( !bHasHeaderLine || !aHeaderLine.Len())
95     {
96         while(bRead && !aFirstLine.Len())
97         {
98             bRead = m_pFileStream->ReadByteStringLine(aFirstLine,nEncoding);
99         }
100         // use first row as headerline because we need the number of columns
101         aHeaderLine = aFirstLine;
102     }
103     // column count
104     const xub_StrLen nFieldCount = aHeaderLine.GetTokenCount(m_cFieldDelimiter,m_cStringDelimiter);
105 
106     if(!m_aColumns.isValid())
107         m_aColumns = new OSQLColumns();
108     else
109         m_aColumns->get().clear();
110 
111     m_aTypes.clear();
112     m_aPrecisions.clear();
113     m_aScales.clear();
114     // reserve some space
115     m_aColumns->get().reserve(nFieldCount+1);
116     m_aTypes.assign(nFieldCount+1,DataType::SQLNULL);
117     m_aPrecisions.assign(nFieldCount+1,-1);
118     m_aScales.assign(nFieldCount+1,-1);
119 
120     const sal_Bool bCase = m_pConnection->getMetaData()->supportsMixedCaseQuotedIdentifiers();
121     CharClass aCharClass(pConnection->getDriver()->getFactory(),_aLocale);
122     // read description
123     const sal_Unicode cDecimalDelimiter  = pConnection->getDecimalDelimiter();
124     const sal_Unicode cThousandDelimiter = pConnection->getThousandDelimiter();
125     String aColumnName;
126     ::rtl::OUString aTypeName;
127     ::comphelper::UStringMixEqual aCase(bCase);
128     ::std::vector<String> aColumnNames,m_aTypeNames;
129     m_aTypeNames.resize(nFieldCount);
130     const sal_Int32 nMaxRowsToScan = pConnection->getMaxRowsToScan();
131     sal_Int32 nRowCount = 0;
132     do
133     {
134         xub_StrLen nStartPosHeaderLine = 0; // use for eficient way to get the tokens
135         xub_StrLen nStartPosFirstLine = 0; // use for eficient way to get the tokens
136         xub_StrLen nStartPosFirstLine2 = 0;
137         for (xub_StrLen i = 0; i < nFieldCount; i++)
138         {
139             if ( nRowCount == 0)
140             {
141                 if ( bHasHeaderLine )
142                 {
143                     aHeaderLine.GetTokenSpecial(aColumnName,nStartPosHeaderLine,m_cFieldDelimiter,m_cStringDelimiter);
144                     if ( !aColumnName.Len() )
145                     {
146                         aColumnName = 'C';
147                         aColumnName += String::CreateFromInt32(i+1);
148                     }
149                 }
150                 else
151                 {
152                     // no column name so ...
153                     aColumnName = 'C';
154                     aColumnName += String::CreateFromInt32(i+1);
155                 }
156                 aColumnNames.push_back(aColumnName);
157             }
158             impl_fillColumnInfo_nothrow(aFirstLine,nStartPosFirstLine,nStartPosFirstLine2,m_aTypes[i],m_aPrecisions[i],m_aScales[i],m_aTypeNames[i],cDecimalDelimiter,cThousandDelimiter,aCharClass);
159         }
160         ++nRowCount;
161     }
162     while(nRowCount < nMaxRowsToScan && m_pFileStream->ReadByteStringLine(aFirstLine,nEncoding) && !m_pFileStream->IsEof());
163 
164     for (xub_StrLen i = 0; i < nFieldCount; i++)
165     {
166         // check if the columname already exists
167         String aAlias(aColumnNames[i]);
168         OSQLColumns::Vector::const_iterator aFind = connectivity::find(m_aColumns->get().begin(),m_aColumns->get().end(),aAlias,aCase);
169         sal_Int32 nExprCnt = 0;
170         while(aFind != m_aColumns->get().end())
171         {
172             (aAlias = aColumnNames[i]) += String::CreateFromInt32(++nExprCnt);
173             aFind = connectivity::find(m_aColumns->get().begin(),m_aColumns->get().end(),aAlias,aCase);
174         }
175 
176         sdbcx::OColumn* pColumn = new sdbcx::OColumn(aAlias,m_aTypeNames[i],::rtl::OUString(),::rtl::OUString(),
177                                                 ColumnValue::NULLABLE,
178                                                 m_aPrecisions[i],
179                                                 m_aScales[i],
180                                                 m_aTypes[i],
181                                                 sal_False,
182                                                 sal_False,
183                                                 sal_False,
184                                                 bCase);
185         Reference< XPropertySet> xCol = pColumn;
186         m_aColumns->get().push_back(xCol);
187     }
188     m_pFileStream->Seek(m_nStartRowFilePos);
189 }
190 void OFlatTable::impl_fillColumnInfo_nothrow(QuotedTokenizedString& aFirstLine,xub_StrLen& nStartPosFirstLine,xub_StrLen& nStartPosFirstLine2
191                                              ,sal_Int32& io_nType,sal_Int32& io_nPrecisions,sal_Int32& io_nScales,String& o_sTypeName
192                                              ,const sal_Unicode cDecimalDelimiter,const sal_Unicode cThousandDelimiter,const CharClass&  aCharClass)
193 {
194     if ( io_nType != DataType::VARCHAR )
195     {
196         sal_Bool bNumeric = io_nType == DataType::SQLNULL || io_nType == DataType::DOUBLE || io_nType == DataType::DECIMAL || io_nType == DataType::INTEGER;
197         sal_uLong  nIndex = 0;
198 
199         if ( bNumeric )
200         {
201             // first without fielddelimiter
202             String aField;
203             aFirstLine.GetTokenSpecial(aField,nStartPosFirstLine,m_cFieldDelimiter,'\0');
204             if (aField.Len() == 0 ||
205                 (m_cStringDelimiter && m_cStringDelimiter == aField.GetChar(0)))
206             {
207                 bNumeric = sal_False;
208                 if ( m_cStringDelimiter != '\0' )
209                     aFirstLine.GetTokenSpecial(aField,nStartPosFirstLine2,m_cFieldDelimiter,m_cStringDelimiter);
210                 else
211                     nStartPosFirstLine2 = nStartPosFirstLine;
212             }
213             else
214             {
215                 String aField2;
216                 if ( m_cStringDelimiter != '\0' )
217                     aFirstLine.GetTokenSpecial(aField2,nStartPosFirstLine2,m_cFieldDelimiter,m_cStringDelimiter);
218                 else
219                     aField2 = aField;
220 
221                 if (aField2.Len() == 0)
222                 {
223                     bNumeric = sal_False;
224                 }
225                 else
226                 {
227                     bNumeric = sal_True;
228                     xub_StrLen nDot = 0;
229                     xub_StrLen nDecimalDelCount = 0;
230                     xub_StrLen nSpaceCount = 0;
231                     for (xub_StrLen j = 0; j < aField2.Len(); j++)
232                     {
233                         const sal_Unicode c = aField2.GetChar(j);
234                         if ( j == nSpaceCount && m_cFieldDelimiter != 32 && c == 32 )
235                         {
236                             ++nSpaceCount;
237                             continue;
238                         }
239                         // nur Ziffern und Dezimalpunkt und Tausender-Trennzeichen?
240                         if ( ( !cDecimalDelimiter  || c != cDecimalDelimiter )  &&
241                              ( !cThousandDelimiter || c != cThousandDelimiter ) &&
242                             !aCharClass.isDigit(aField2,j)                      &&
243                             ( j != 0 || (c != '+' && c != '-' ) ) )
244                         {
245                             bNumeric = sal_False;
246                             break;
247                         }
248                         if (cDecimalDelimiter && c == cDecimalDelimiter)
249                         {
250                             io_nPrecisions = 15; // we have an decimal value
251                             io_nScales = 2;
252                             ++nDecimalDelCount;
253                         } // if (cDecimalDelimiter && c == cDecimalDelimiter)
254                         if ( c == '.' )
255                             ++nDot;
256                     }
257 
258                     if (nDecimalDelCount > 1 || nDot > 1 ) // if there is more than one dot it isn't a number
259                         bNumeric = sal_False;
260                     if (bNumeric && cThousandDelimiter)
261                     {
262                         // Ist der Trenner richtig angegeben?
263                         const String aValue = aField2.GetToken(0,cDecimalDelimiter);
264                         for (sal_Int32 j = aValue.Len() - 4; j >= 0; j -= 4)
265                         {
266                             const sal_Unicode c = aValue.GetChar(static_cast<sal_uInt16>(j));
267                             // nur Ziffern und Dezimalpunkt und Tausender-Trennzeichen?
268                             if (c == cThousandDelimiter && j)
269                                 continue;
270                             else
271                             {
272                                 bNumeric = sal_False;
273                                 break;
274                             }
275                         }
276                     }
277 
278                     // jetzt koennte es noch ein Datumsfeld sein
279                     if (!bNumeric)
280                     {
281                         try
282                         {
283                             nIndex = m_xNumberFormatter->detectNumberFormat(::com::sun::star::util::NumberFormat::ALL,aField2);
284                         }
285                         catch(Exception&)
286                         {
287                         }
288                     }
289                 }
290             }
291         }
292         else if ( io_nType == DataType::DATE || io_nType == DataType::TIMESTAMP || io_nType == DataType::TIME)
293         {
294             String aField;
295             aFirstLine.GetTokenSpecial(aField,nStartPosFirstLine,m_cFieldDelimiter,'\0');
296             if (aField.Len() == 0 ||
297                 (m_cStringDelimiter && m_cStringDelimiter == aField.GetChar(0)))
298             {
299             }
300             else
301             {
302                 String aField2;
303                 if ( m_cStringDelimiter != '\0' )
304                     aFirstLine.GetTokenSpecial(aField2,nStartPosFirstLine2,m_cFieldDelimiter,m_cStringDelimiter);
305                 else
306                     aField2 = aField;
307                 if (aField2.Len() )
308                 {
309                     try
310                     {
311                         nIndex = m_xNumberFormatter->detectNumberFormat(::com::sun::star::util::NumberFormat::ALL,aField2);
312                     }
313                     catch(Exception&)
314                     {
315                     }
316                 }
317             }
318         }
319 
320         sal_Int32 nFlags = 0;
321         if (bNumeric)
322         {
323             if (cDecimalDelimiter)
324             {
325                 if(io_nPrecisions)
326                 {
327                     io_nType = DataType::DECIMAL;
328                     static const ::rtl::OUString s_sDECIMAL(RTL_CONSTASCII_USTRINGPARAM("DECIMAL"));
329                     o_sTypeName = s_sDECIMAL;
330                 }
331                 else
332                 {
333                     io_nType = DataType::DOUBLE;
334                     static const ::rtl::OUString s_sDOUBLE(RTL_CONSTASCII_USTRINGPARAM("DOUBLE"));
335                     o_sTypeName = s_sDOUBLE;
336                 }
337             }
338             else
339             {
340                 io_nType = DataType::INTEGER;
341                 io_nPrecisions = 0;
342                 io_nScales = 0;
343             }
344             nFlags = ColumnSearch::BASIC;
345         }
346         else
347         {
348             switch (comphelper::getNumberFormatType(m_xNumberFormatter,nIndex))
349             {
350                 case NUMBERFORMAT_DATE:
351                     io_nType = DataType::DATE;
352                     {
353                         static const ::rtl::OUString s_sDATE(RTL_CONSTASCII_USTRINGPARAM("DATE"));
354                         o_sTypeName = s_sDATE;
355                     }
356                     break;
357                 case NUMBERFORMAT_DATETIME:
358                     io_nType = DataType::TIMESTAMP;
359                     {
360                         static const ::rtl::OUString s_sTIMESTAMP(RTL_CONSTASCII_USTRINGPARAM("TIMESTAMP"));
361                         o_sTypeName = s_sTIMESTAMP;
362                     }
363                     break;
364                 case NUMBERFORMAT_TIME:
365                     io_nType = DataType::TIME;
366                     {
367                         static const ::rtl::OUString s_sTIME(RTL_CONSTASCII_USTRINGPARAM("TIME"));
368                         o_sTypeName = s_sTIME;
369                     }
370                     break;
371                 default:
372                     io_nType = DataType::VARCHAR;
373                     io_nPrecisions = 0; // nyi: Daten koennen aber laenger sein!
374                     io_nScales = 0;
375                     {
376                         static const ::rtl::OUString s_sVARCHAR(RTL_CONSTASCII_USTRINGPARAM("VARCHAR"));
377                         o_sTypeName = s_sVARCHAR;
378                     }
379             };
380             nFlags |= ColumnSearch::CHAR;
381         }
382     }
383     else
384     {
385         String aField;
386         aFirstLine.GetTokenSpecial(aField,nStartPosFirstLine,m_cFieldDelimiter,'\0');
387         if (aField.Len() == 0 ||
388                 (m_cStringDelimiter && m_cStringDelimiter == aField.GetChar(0)))
389         {
390             if ( m_cStringDelimiter != '\0' )
391                 aFirstLine.GetTokenSpecial(aField,nStartPosFirstLine2,m_cFieldDelimiter,m_cStringDelimiter);
392             else
393                 nStartPosFirstLine2 = nStartPosFirstLine;
394         }
395         else
396         {
397             String aField2;
398             if ( m_cStringDelimiter != '\0' )
399                 aFirstLine.GetTokenSpecial(aField2,nStartPosFirstLine2,m_cFieldDelimiter,m_cStringDelimiter);
400         }
401     }
402 }
403 // -------------------------------------------------------------------------
404 OFlatTable::OFlatTable(sdbcx::OCollection* _pTables,OFlatConnection* _pConnection,
405                     const ::rtl::OUString& _Name,
406                     const ::rtl::OUString& _Type,
407                     const ::rtl::OUString& _Description ,
408                     const ::rtl::OUString& _SchemaName,
409                     const ::rtl::OUString& _CatalogName
410                 ) : OFlatTable_BASE(_pTables,_pConnection,_Name,
411                                   _Type,
412                                   _Description,
413                                   _SchemaName,
414                                   _CatalogName)
415     ,m_nStartRowFilePos(0)
416     ,m_nRowPos(0)
417     ,m_nMaxRowCount(0)
418     ,m_cStringDelimiter(_pConnection->getStringDelimiter())
419     ,m_cFieldDelimiter(_pConnection->getFieldDelimiter())
420     ,m_bNeedToReadLine(false)
421 {
422     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::OFlatTable" );
423 
424 }
425 // -----------------------------------------------------------------------------
426 void OFlatTable::construct()
427 {
428     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::construct" );
429     SvtSysLocale aLocale;
430     ::com::sun::star::lang::Locale aAppLocale(aLocale.GetLocaleDataPtr()->getLocale());
431     Sequence< ::com::sun::star::uno::Any > aArg(1);
432     aArg[0] <<= aAppLocale;
433 
434     Reference< ::com::sun::star::util::XNumberFormatsSupplier >  xSupplier(m_pConnection->getDriver()->getFactory()->createInstanceWithArguments(::rtl::OUString::createFromAscii("com.sun.star.util.NumberFormatsSupplier"),aArg),UNO_QUERY);
435     m_xNumberFormatter = Reference< ::com::sun::star::util::XNumberFormatter >(m_pConnection->getDriver()->getFactory()->createInstance(::rtl::OUString::createFromAscii("com.sun.star.util.NumberFormatter")),UNO_QUERY);
436     m_xNumberFormatter->attachNumberFormatsSupplier(xSupplier);
437     Reference<XPropertySet> xProp(xSupplier->getNumberFormatSettings(),UNO_QUERY);
438     xProp->getPropertyValue(::rtl::OUString::createFromAscii("NullDate")) >>= m_aNullDate;
439 
440     INetURLObject aURL;
441     aURL.SetURL(getEntry());
442 
443     if(aURL.getExtension() != rtl::OUString(m_pConnection->getExtension()))
444         aURL.setExtension(m_pConnection->getExtension());
445 
446     String aFileName = aURL.GetMainURL(INetURLObject::NO_DECODE);
447 
448     m_pFileStream = createStream_simpleError( aFileName,STREAM_READWRITE | STREAM_NOCREATE | STREAM_SHARE_DENYWRITE);
449 
450     if(!m_pFileStream)
451         m_pFileStream = createStream_simpleError( aFileName,STREAM_READ | STREAM_NOCREATE | STREAM_SHARE_DENYNONE);
452 
453     if(m_pFileStream)
454     {
455         m_pFileStream->Seek(STREAM_SEEK_TO_END);
456         sal_Int32 nSize = m_pFileStream->Tell();
457         m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN);
458 
459         // Buffersize abhaengig von der Filegroesse
460         m_pFileStream->SetBufferSize(nSize > 1000000 ? 32768 :
461                                     nSize > 100000  ? 16384 :
462                                     nSize > 10000   ? 4096  : 1024);
463 
464         fillColumns(aAppLocale);
465 
466         refreshColumns();
467     }
468 }
469 // -------------------------------------------------------------------------
470 String OFlatTable::getEntry()
471 {
472     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::getEntry" );
473     ::rtl::OUString sURL;
474     try
475     {
476         Reference< XResultSet > xDir = m_pConnection->getDir()->getStaticResultSet();
477         Reference< XRow> xRow(xDir,UNO_QUERY);
478         ::rtl::OUString sName;
479         ::rtl::OUString sExt;
480 
481         INetURLObject aURL;
482         xDir->beforeFirst();
483         static const ::rtl::OUString s_sSeparator(RTL_CONSTASCII_USTRINGPARAM("/"));
484         while(xDir->next())
485         {
486             sName = xRow->getString(1);
487             aURL.SetSmartProtocol(INET_PROT_FILE);
488             String sUrl = m_pConnection->getURL() +  s_sSeparator + sName;
489             aURL.SetSmartURL( sUrl );
490 
491             // cut the extension
492             sExt = aURL.getExtension();
493 
494             // name and extension have to coincide
495             if ( m_pConnection->matchesExtension( sExt ) )
496             {
497                 if ( sExt.getLength() )
498                     sName = sName.replaceAt(sName.getLength()-(sExt.getLength()+1),sExt.getLength()+1,::rtl::OUString());
499                 if ( sName == m_Name )
500                 {
501                     Reference< XContentAccess > xContentAccess( xDir, UNO_QUERY );
502                     sURL = xContentAccess->queryContentIdentifierString();
503                     break;
504                 }
505             }
506         }
507         xDir->beforeFirst(); // move back to before first record
508     }
509     catch(Exception&)
510     {
511         OSL_ASSERT(0);
512     }
513     return sURL.getStr();
514 }
515 // -------------------------------------------------------------------------
516 void OFlatTable::refreshColumns()
517 {
518     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::refreshColumns" );
519     ::osl::MutexGuard aGuard( m_aMutex );
520 
521     TStringVector aVector;
522     aVector.reserve(m_aColumns->get().size());
523 
524     for(OSQLColumns::Vector::const_iterator aIter = m_aColumns->get().begin();aIter != m_aColumns->get().end();++aIter)
525         aVector.push_back(Reference< XNamed>(*aIter,UNO_QUERY)->getName());
526 
527     if(m_pColumns)
528         m_pColumns->reFill(aVector);
529     else
530         m_pColumns  = new OFlatColumns(this,m_aMutex,aVector);
531 }
532 
533 // -------------------------------------------------------------------------
534 void SAL_CALL OFlatTable::disposing(void)
535 {
536     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::disposing" );
537     OFileTable::disposing();
538     ::osl::MutexGuard aGuard(m_aMutex);
539     m_aColumns = NULL;
540 }
541 // -------------------------------------------------------------------------
542 Sequence< Type > SAL_CALL OFlatTable::getTypes(  ) throw(RuntimeException)
543 {
544     Sequence< Type > aTypes = OTable_TYPEDEF::getTypes();
545     ::std::vector<Type> aOwnTypes;
546     aOwnTypes.reserve(aTypes.getLength());
547     const Type* pBegin = aTypes.getConstArray();
548     const Type* pEnd = pBegin + aTypes.getLength();
549     for(;pBegin != pEnd;++pBegin)
550     {
551         if(!(*pBegin == ::getCppuType((const Reference<XKeysSupplier>*)0)   ||
552             *pBegin == ::getCppuType((const Reference<XRename>*)0)          ||
553             *pBegin == ::getCppuType((const Reference<XIndexesSupplier>*)0) ||
554             *pBegin == ::getCppuType((const Reference<XAlterTable>*)0)      ||
555             *pBegin == ::getCppuType((const Reference<XDataDescriptorFactory>*)0)))
556         {
557             aOwnTypes.push_back(*pBegin);
558         }
559     }
560     Type *pTypes = aOwnTypes.empty() ? 0 : &aOwnTypes[0];
561     return Sequence< Type >(pTypes, aOwnTypes.size());
562 }
563 
564 // -------------------------------------------------------------------------
565 Any SAL_CALL OFlatTable::queryInterface( const Type & rType ) throw(RuntimeException)
566 {
567     if( rType == ::getCppuType((const Reference<XKeysSupplier>*)0)      ||
568         rType == ::getCppuType((const Reference<XIndexesSupplier>*)0)   ||
569         rType == ::getCppuType((const Reference<XRename>*)0)            ||
570         rType == ::getCppuType((const Reference<XAlterTable>*)0)        ||
571         rType == ::getCppuType((const Reference<XDataDescriptorFactory>*)0))
572         return Any();
573 
574     Any aRet = OTable_TYPEDEF::queryInterface(rType);
575     return aRet.hasValue() ? aRet : ::cppu::queryInterface(rType,static_cast< ::com::sun::star::lang::XUnoTunnel*> (this));
576 }
577 
578 //--------------------------------------------------------------------------
579 Sequence< sal_Int8 > OFlatTable::getUnoTunnelImplementationId()
580 {
581     static ::cppu::OImplementationId * pId = 0;
582     if (! pId)
583     {
584         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
585         if (! pId)
586         {
587             static ::cppu::OImplementationId aId;
588             pId = &aId;
589         }
590     }
591     return pId->getImplementationId();
592 }
593 
594 // com::sun::star::lang::XUnoTunnel
595 //------------------------------------------------------------------
596 sal_Int64 OFlatTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException)
597 {
598     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::getSomething" );
599     return (rId.getLength() == 16 && 0 == rtl_compareMemory(getUnoTunnelImplementationId().getConstArray(),  rId.getConstArray(), 16 ) )
600                 ? reinterpret_cast< sal_Int64 >( this )
601                 : OFlatTable_BASE::getSomething(rId);
602 }
603 //------------------------------------------------------------------
604 sal_Bool OFlatTable::fetchRow(OValueRefRow& _rRow,const OSQLColumns & _rCols,sal_Bool bIsTable,sal_Bool bRetrieveData)
605 {
606     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::fetchRow" );
607     *(_rRow->get())[0] = m_nFilePos;
608 
609     if (!bRetrieveData)
610         return sal_True;
611     if ( m_bNeedToReadLine )
612     {
613         sal_Int32 nCurrentPos = 0;
614         m_pFileStream->Seek(m_nFilePos);
615         readLine(nCurrentPos);
616         m_bNeedToReadLine = false;
617     }
618 
619     OFlatConnection* pConnection = (OFlatConnection*)m_pConnection;
620     const sal_Unicode cDecimalDelimiter = pConnection->getDecimalDelimiter();
621     const sal_Unicode cThousandDelimiter = pConnection->getThousandDelimiter();
622     // Felder:
623     xub_StrLen nStartPos = 0;
624     String aStr;
625     OSQLColumns::Vector::const_iterator aIter = _rCols.get().begin();
626     OSQLColumns::Vector::const_iterator aEnd = _rCols.get().end();
627     const OValueRefVector::Vector::size_type nCount = _rRow->get().size();
628     for (OValueRefVector::Vector::size_type i = 1; aIter != aEnd && i < nCount;
629          ++aIter, i++)
630     {
631         m_aCurrentLine.GetTokenSpecial(aStr,nStartPos,m_cFieldDelimiter,m_cStringDelimiter);
632 
633         if (aStr.Len() == 0)
634             (_rRow->get())[i]->setNull();
635         else
636         {
637             // Laengen je nach Datentyp:
638             sal_Int32   nLen,
639                         nType = 0;
640             if(bIsTable)
641             {
642                 nLen    = m_aPrecisions[i-1];
643                 nType   = m_aTypes[i-1];
644             }
645             else
646             {
647                 Reference< XPropertySet> xColumn = *aIter;
648                 xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION))  >>= nLen;
649                 xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE))       >>= nType;
650             }
651             switch(nType)
652             {
653                 case DataType::TIMESTAMP:
654                 case DataType::DATE:
655                 case DataType::TIME:
656                 {
657                     try
658                     {
659                         double nRes = m_xNumberFormatter->convertStringToNumber(::com::sun::star::util::NumberFormat::ALL,aStr);
660 
661                         switch(nType)
662                         {
663                             case DataType::DATE:
664                                 *(_rRow->get())[i] = ::dbtools::DBTypeConversion::toDouble(::dbtools::DBTypeConversion::toDate(nRes,m_aNullDate));
665                                 break;
666                             case DataType::TIMESTAMP:
667                                 *(_rRow->get())[i] = ::dbtools::DBTypeConversion::toDouble(::dbtools::DBTypeConversion::toDateTime(nRes,m_aNullDate));
668                                 break;
669                             default:
670                                 *(_rRow->get())[i] = ::dbtools::DBTypeConversion::toDouble(::dbtools::DBTypeConversion::toTime(nRes));
671                         }
672                     }
673                     catch(Exception&)
674                     {
675                         (_rRow->get())[i]->setNull();
676                     }
677                 }   break;
678                 case DataType::DOUBLE:
679                 case DataType::INTEGER:
680                 case DataType::DECIMAL:             // #99178# OJ
681                 case DataType::NUMERIC:
682                 {
683 
684                     String aStrConverted;
685                     if ( DataType::INTEGER != nType )
686                     {
687                         sal_Unicode* pData = aStrConverted.AllocBuffer(aStr.Len());
688                         const sal_Unicode* pStart = pData;
689 
690                         OSL_ENSURE(cDecimalDelimiter && nType != DataType::INTEGER ||
691                                    !cDecimalDelimiter && nType == DataType::INTEGER,
692                                    "FalscherTyp");
693 
694                         // In Standard-Notation (DezimalPUNKT ohne Tausender-Komma) umwandeln:
695                         for (xub_StrLen j = 0; j < aStr.Len(); ++j)
696                         {
697                             const sal_Unicode cChar = aStr.GetChar(j);
698                             if (cDecimalDelimiter && cChar == cDecimalDelimiter)
699                                 *pData++ = '.';
700                                 //aStrConverted.Append( '.' );
701                             else if ( cChar == '.' ) // special case, if decimal seperator isn't '.' we have to put the string after it
702                                 continue; // #99189# OJ
703                             else if (cThousandDelimiter && cChar == cThousandDelimiter)
704                             {
705                                 // weglassen
706                             }
707                             else
708                                 *pData++ = cChar;
709                                 //aStrConverted.Append(cChar);
710                         } // for (xub_StrLen j = 0; j < aStr.Len(); ++j)
711                         aStrConverted.ReleaseBufferAccess(xub_StrLen(pData - pStart));
712                     } // if ( DataType::INTEGER != nType )
713                     else
714                     {
715                         aStrConverted = aStr;
716                         if ( cThousandDelimiter )
717                             aStrConverted.EraseAllChars(cThousandDelimiter);
718                     }
719                     const double nVal = ::rtl::math::stringToDouble(aStrConverted,'.',',',NULL,NULL);
720 
721                     // #99178# OJ
722                     if ( DataType::DECIMAL == nType || DataType::NUMERIC == nType )
723                         *(_rRow->get())[i] = ::rtl::OUString::valueOf(nVal);
724                     else
725                         *(_rRow->get())[i] = nVal;
726                 } break;
727 
728                 default:
729                 {
730                     // Wert als String in Variable der Row uebernehmen
731                     *(_rRow->get())[i] = ORowSetValue(aStr);
732                 }
733                 break;
734             } // switch(nType)
735             (_rRow->get())[i]->setTypeKind(nType);
736         }
737     }
738     return sal_True;
739 }
740 void OFlatTable::refreshHeader()
741 {
742     m_nRowPos = 0;
743 }
744 // -----------------------------------------------------------------------------
745 sal_Bool OFlatTable::seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos)
746 {
747     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::seekRow" );
748     OSL_ENSURE(m_pFileStream,"OFlatTable::seekRow: FileStream is NULL!");
749     // ----------------------------------------------------------
750     // Positionierung vorbereiten:
751     m_nFilePos = nCurPos;
752 
753     switch(eCursorPosition)
754     {
755         case IResultSetHelper::FIRST:
756             m_nRowPos = 0;
757             // run through
758         case IResultSetHelper::NEXT:
759             {
760                 ++m_nRowPos;
761                 ::std::map<sal_Int32,TRowPositionsInFile::iterator>::const_iterator aFind = m_aRowPosToFilePos.find(m_nRowPos);
762                 m_bNeedToReadLine = aFind != m_aRowPosToFilePos.end();
763                 if ( m_bNeedToReadLine )
764                 {
765                     m_nFilePos  = aFind->second->first;
766                     nCurPos     = aFind->second->second;
767                 } // if ( m_bNeedToReadLine )
768                 else
769                 {
770                     if ( m_nRowPos == 1 )
771                         m_nFilePos = m_nStartRowFilePos;
772                     m_pFileStream->Seek(m_nFilePos);
773                     if ( m_pFileStream->IsEof() || !readLine(nCurPos) /*|| !checkHeaderLine()*/)
774                     {
775                         m_nMaxRowCount = m_nRowPos -1;
776                         return sal_False;
777                     } // if ( m_pFileStream->IsEof() || !readLine(nCurPos) /*|| !checkHeaderLine()*/)
778 
779                     TRowPositionsInFile::iterator aPos = m_aFilePosToEndLinePos.insert(TRowPositionsInFile::value_type(m_nFilePos,nCurPos)).first;
780                     m_aRowPosToFilePos.insert(::std::map<sal_Int32,TRowPositionsInFile::iterator>::value_type(m_nRowPos,aPos));
781                 }
782             }
783 
784             break;
785         case IResultSetHelper::PRIOR:
786             --m_nRowPos;
787             if(m_nRowPos > 0)
788             {
789                 TRowPositionsInFile::iterator aPositions = m_aRowPosToFilePos[m_nRowPos];
790                 m_nFilePos = aPositions->first;
791                 nCurPos = aPositions->second;
792                 m_bNeedToReadLine = true;
793             }
794             else
795                 m_nRowPos = 0;
796 
797             break;
798         case IResultSetHelper::LAST:
799             if ( m_nMaxRowCount )
800             {
801                 ::std::map<sal_Int32,TRowPositionsInFile::iterator>::reverse_iterator aLastPos = m_aRowPosToFilePos.rbegin();
802                 m_nRowPos  = aLastPos->first;
803                 m_nFilePos = aLastPos->second->first;
804                 nCurPos    = aLastPos->second->second;
805 
806                 //m_pFileStream->Seek(m_nFilePos);
807                 m_bNeedToReadLine = true;
808                 //if ( m_pFileStream->IsEof() /*|| !checkHeaderLine()*/ || !readLine(nCurPos) )
809                 //  return sal_False;
810             }
811             else
812             {
813                 while(seekRow(IResultSetHelper::NEXT,1,nCurPos)) ; // run through after last row
814                 // now I know all
815                 seekRow(IResultSetHelper::PRIOR,1,nCurPos);
816             }
817             break;
818         case IResultSetHelper::RELATIVE:
819             if(nOffset > 0)
820             {
821                 for(sal_Int32 i = 0;i<nOffset;++i)
822                     seekRow(IResultSetHelper::NEXT,1,nCurPos);
823             }
824             else if(nOffset < 0)
825             {
826                 for(sal_Int32 i = nOffset;i;++i)
827                     seekRow(IResultSetHelper::PRIOR,1,nCurPos);
828             }
829             break;
830         case IResultSetHelper::ABSOLUTE:
831             {
832                 if(nOffset < 0)
833                     nOffset = m_nRowPos + nOffset;
834                 ::std::map<sal_Int32,TRowPositionsInFile::iterator>::const_iterator aIter = m_aRowPosToFilePos.find(nOffset);
835                 if(aIter != m_aRowPosToFilePos.end())
836                 {
837                     m_nFilePos  = aIter->second->first;
838                     nCurPos     = aIter->second->second;
839                     //m_pFileStream->Seek(m_nFilePos);
840                     m_bNeedToReadLine = true;
841                     //if ( m_pFileStream->IsEof() /*|| !checkHeaderLine()*/ || !readLine(nCurPos) )
842                     //  return sal_False;
843                 }
844                 else if(m_nMaxRowCount && nOffset > m_nMaxRowCount) // offset is outside the table
845                 {
846                     m_nRowPos = m_nMaxRowCount;
847                     return sal_False;
848                 }
849                 else
850                 {
851                     aIter = m_aRowPosToFilePos.upper_bound(nOffset);
852                     if(aIter == m_aRowPosToFilePos.end())
853                     {
854                         ::std::map<sal_Int32,TRowPositionsInFile::iterator>::reverse_iterator aLastPos = m_aRowPosToFilePos.rbegin();
855                         m_nRowPos   = aLastPos->first;
856                         nCurPos = m_nFilePos = aLastPos->second->first;
857                         while(m_nRowPos != nOffset)
858                             seekRow(IResultSetHelper::NEXT,1,nCurPos);
859                     }
860                     else
861                     {
862                         --aIter;
863                         m_nRowPos   = aIter->first;
864                         m_nFilePos  = aIter->second->first;
865                         nCurPos     = aIter->second->second;
866                         //m_pFileStream->Seek(m_nFilePos);
867                         m_bNeedToReadLine = true;
868                         //if ( m_pFileStream->IsEof() /*|| !checkHeaderLine()*/ || !readLine(nCurPos) )
869                         //  return sal_False;
870                     }
871                 }
872             }
873 
874             break;
875         case IResultSetHelper::BOOKMARK:
876             {
877                 TRowPositionsInFile::const_iterator aFind = m_aFilePosToEndLinePos.find(nOffset);
878                 m_bNeedToReadLine = aFind != m_aFilePosToEndLinePos.end();
879                 if ( m_bNeedToReadLine )
880                 {
881                     m_nFilePos  = aFind->first;
882                     nCurPos = aFind->second;
883                 }
884                 else
885                 {
886                     m_nFilePos = nOffset;
887                     m_pFileStream->Seek(nOffset);
888                     if (m_pFileStream->IsEof() || !readLine(nCurPos) )
889                         return sal_False;
890                 }
891                 break;
892             }
893     }
894 
895     //nCurPos = m_nFilePos;
896 
897     return sal_True;
898 }
899 // -----------------------------------------------------------------------------
900 sal_Bool OFlatTable::readLine(sal_Int32& _rnCurrentPos)
901 {
902     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "flat", "Ocke.Janssen@sun.com", "OFlatTable::readLine" );
903     const rtl_TextEncoding nEncoding = m_pConnection->getTextEncoding();
904     m_pFileStream->ReadByteStringLine(m_aCurrentLine,nEncoding);
905     if (m_pFileStream->IsEof())
906         return sal_False;
907 
908     QuotedTokenizedString sLine = m_aCurrentLine; // check if the string continues on next line
909     while( (sLine.GetString().GetTokenCount(m_cStringDelimiter) % 2) != 1 )
910     {
911         m_pFileStream->ReadByteStringLine(sLine,nEncoding);
912         if ( !m_pFileStream->IsEof() )
913         {
914             m_aCurrentLine.GetString().Append('\n');
915             m_aCurrentLine.GetString() += sLine.GetString();
916             sLine = m_aCurrentLine;
917         }
918         else
919             break;
920     }
921     _rnCurrentPos = m_pFileStream->Tell();
922     return sal_True;
923 }
924 
925