1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_connectivity.hxx" 26 #include "dbase/DTable.hxx" 27 #include <com/sun/star/sdbc/ColumnValue.hpp> 28 #include <com/sun/star/sdbc/DataType.hpp> 29 #include <com/sun/star/ucb/XContentAccess.hpp> 30 #include <com/sun/star/sdbc/XRow.hpp> 31 #include <svl/converter.hxx> 32 #include "dbase/DConnection.hxx" 33 #include "dbase/DColumns.hxx" 34 #include <osl/thread.h> 35 #include <tools/config.hxx> 36 #include "dbase/DIndex.hxx" 37 #include "dbase/DIndexes.hxx" 38 //#include "file/FDriver.hxx" 39 #include <comphelper/sequence.hxx> 40 #include <svl/zforlist.hxx> 41 #include <unotools/syslocale.hxx> 42 #include <rtl/math.hxx> 43 #include <stdio.h> //sprintf 44 #include <ucbhelper/content.hxx> 45 #include <comphelper/extract.hxx> 46 #include <connectivity/dbexception.hxx> 47 #include <connectivity/dbconversion.hxx> 48 #include <com/sun/star/lang/DisposedException.hpp> 49 #include <comphelper/property.hxx> 50 //#include <unotools/calendarwrapper.hxx> 51 #include <unotools/tempfile.hxx> 52 #include <unotools/ucbhelper.hxx> 53 #include <comphelper/types.hxx> 54 #include <cppuhelper/exc_hlp.hxx> 55 #include "connectivity/PColumn.hxx" 56 #include "connectivity/dbtools.hxx" 57 #include "connectivity/FValue.hxx" 58 #include "connectivity/dbconversion.hxx" 59 #include "resource/dbase_res.hrc" 60 #include <rtl/logfile.hxx> 61 62 #include <algorithm> 63 64 using namespace ::comphelper; 65 using namespace connectivity; 66 using namespace connectivity::sdbcx; 67 using namespace connectivity::dbase; 68 using namespace connectivity::file; 69 using namespace ::ucbhelper; 70 using namespace ::utl; 71 using namespace ::cppu; 72 using namespace ::dbtools; 73 using namespace ::com::sun::star::uno; 74 using namespace ::com::sun::star::ucb; 75 using namespace ::com::sun::star::beans; 76 using namespace ::com::sun::star::sdbcx; 77 using namespace ::com::sun::star::sdbc; 78 using namespace ::com::sun::star::container; 79 using namespace ::com::sun::star::lang; 80 using namespace ::com::sun::star::i18n; 81 82 // stored as the Field Descriptor terminator 83 #define FIELD_DESCRIPTOR_TERMINATOR 0x0D 84 #define DBF_EOL 0x1A 85 86 namespace 87 { 88 sal_Int32 lcl_getFileSize(SvStream& _rStream) 89 { 90 sal_Int32 nFileSize = 0; 91 _rStream.Seek(STREAM_SEEK_TO_END); 92 _rStream.SeekRel(-1); 93 char cEOL; 94 _rStream >> cEOL; 95 nFileSize = _rStream.Tell(); 96 if ( cEOL == DBF_EOL ) 97 nFileSize -= 1; 98 return nFileSize; 99 } 100 /** 101 calculates the Julian date 102 */ 103 void lcl_CalcJulDate(sal_Int32& _nJulianDate,sal_Int32& _nJulianTime,const com::sun::star::util::DateTime _aDateTime) 104 { 105 com::sun::star::util::DateTime aDateTime = _aDateTime; 106 // weird: months fix 107 if (aDateTime.Month > 12) 108 { 109 aDateTime.Month--; 110 sal_uInt16 delta = _aDateTime.Month / 12; 111 aDateTime.Year += delta; 112 aDateTime.Month -= delta * 12; 113 aDateTime.Month++; 114 } 115 116 _nJulianTime = ((aDateTime.Hours*3600000)+(aDateTime.Minutes*60000)+(aDateTime.Seconds*1000)+(aDateTime.HundredthSeconds*10)); 117 /* conversion factors */ 118 sal_uInt16 iy0; 119 sal_uInt16 im0; 120 if ( aDateTime.Month <= 2 ) 121 { 122 iy0 = aDateTime.Year - 1; 123 im0 = aDateTime.Month + 12; 124 } 125 else 126 { 127 iy0 = aDateTime.Year; 128 im0 = aDateTime.Month; 129 } 130 sal_Int32 ia = iy0 / 100; 131 sal_Int32 ib = 2 - ia + (ia >> 2); 132 /* calculate julian date */ 133 if ( aDateTime.Year <= 0 ) 134 { 135 _nJulianDate = (sal_Int32) ((365.25 * iy0) - 0.75) 136 + (sal_Int32) (30.6001 * (im0 + 1) ) 137 + aDateTime.Day + 1720994; 138 } // if ( _aDateTime.Year <= 0 ) 139 else 140 { 141 _nJulianDate = static_cast<sal_Int32>( ((365.25 * iy0) 142 + (sal_Int32) (30.6001 * (im0 + 1)) 143 + aDateTime.Day + 1720994)); 144 } 145 double JD = _nJulianDate + 0.5; 146 _nJulianDate = (sal_Int32)( JD + 0.5); 147 const double gyr = aDateTime.Year + (0.01 * aDateTime.Month) + (0.0001 * aDateTime.Day); 148 if ( gyr >= 1582.1015 ) /* on or after 15 October 1582 */ 149 _nJulianDate += ib; 150 } 151 152 /** 153 calculates date time from the Julian Date 154 */ 155 void lcl_CalDate(sal_Int32 _nJulianDate,sal_Int32 _nJulianTime,com::sun::star::util::DateTime& _rDateTime) 156 { 157 if ( _nJulianDate ) 158 { 159 sal_Int32 ialp; 160 sal_Int32 ka = _nJulianDate; 161 if ( _nJulianDate >= 2299161 ) 162 { 163 ialp = (sal_Int32)( ((double) _nJulianDate - 1867216.25 ) / ( 36524.25 )); 164 ka = _nJulianDate + 1 + ialp - ( ialp >> 2 ); 165 } 166 sal_Int32 kb = ka + 1524; 167 sal_Int32 kc = (sal_Int32) ( ((double) kb - 122.1 ) / 365.25 ); 168 sal_Int32 kd = (sal_Int32) ((double) kc * 365.25); 169 sal_Int32 ke = (sal_Int32) ((double) ( kb - kd ) / 30.6001 ); 170 _rDateTime.Day = static_cast<sal_uInt16>(kb - kd - ((sal_Int32) ( (double) ke * 30.6001 ))); 171 if ( ke > 13 ) 172 _rDateTime.Month = static_cast<sal_uInt16>(ke - 13); 173 else 174 _rDateTime.Month = static_cast<sal_uInt16>(ke - 1); 175 if ( (_rDateTime.Month == 2) && (_rDateTime.Day > 28) ) 176 _rDateTime.Day = 29; 177 if ( (_rDateTime.Month == 2) && (_rDateTime.Day == 29) && (ke == 3) ) 178 _rDateTime.Year = static_cast<sal_uInt16>(kc - 4716); 179 else if ( _rDateTime.Month > 2 ) 180 _rDateTime.Year = static_cast<sal_uInt16>(kc - 4716); 181 else 182 _rDateTime.Year = static_cast<sal_uInt16>(kc - 4715); 183 } // if ( _nJulianDate ) 184 185 if ( _nJulianTime ) 186 { 187 double d_s = _nJulianTime / 1000; 188 double d_m = d_s / 60; 189 double d_h = d_m / 60; 190 _rDateTime.Hours = (sal_uInt16) (d_h); 191 _rDateTime.Minutes = (sal_uInt16) d_m; // integer _aDateTime.Minutes 192 //// weird: time fix 193 // int test = (_rDateTime.Hours % 3) * 100 + _rDateTime.Minutes; 194 //int test_tbl[] = {0, 1, 2, 11, 12, 13, 22, 23, 24, 25, 34, 35, 36, 195 // 45, 46, 47, 56, 57, 58, 107, 108, 109, 110, 119, 120, 121, 196 // 130, 131, 132, 141, 142, 143, 152, 153, 154, 155, 204, 205, 197 // 206, 215, 216, 217, 226, 227, 228, 237, 238, 239, 240, 249, 198 // 250, 251}; 199 // for (int i = 0; i < sizeof(test_tbl)/sizeof(test_tbl[0]); i++) 200 //{ 201 // if (test == test_tbl[i]) 202 // { 203 // // frac += 0.000012; 204 // //d_hour = frac * 24.0; 205 // _rDateTime.Hours = (sal_uInt16)d_hour; 206 // d_minute = (d_hour - (double)_rDateTime.Hours) * 60.0; 207 // _rDateTime.Minutes = (sal_uInt16)d_minute; 208 // break; 209 // } 210 // } 211 212 _rDateTime.Seconds = static_cast<sal_uInt16>(( d_m - (double) _rDateTime.Minutes ) * 60.0); 213 } 214 } 215 216 } 217 218 // ------------------------------------------------------------------------- 219 void ODbaseTable::readHeader() 220 { 221 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::readHeader" ); 222 OSL_ENSURE(m_pFileStream,"No Stream available!"); 223 if(!m_pFileStream) 224 return; 225 m_pFileStream->RefreshBuffer(); // sicherstellen, dass die Kopfinformationen tatsaechlich neu gelesen werden 226 m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN); 227 228 sal_uInt8 nType=0; 229 (*m_pFileStream) >> nType; 230 if(ERRCODE_NONE != m_pFileStream->GetErrorCode()) 231 throwInvalidDbaseFormat(); 232 233 m_pFileStream->Read((char*)(&m_aHeader.db_aedat), 3*sizeof(sal_uInt8)); 234 if(ERRCODE_NONE != m_pFileStream->GetErrorCode()) 235 throwInvalidDbaseFormat(); 236 (*m_pFileStream) >> m_aHeader.db_anz; 237 if(ERRCODE_NONE != m_pFileStream->GetErrorCode()) 238 throwInvalidDbaseFormat(); 239 (*m_pFileStream) >> m_aHeader.db_kopf; 240 if(ERRCODE_NONE != m_pFileStream->GetErrorCode()) 241 throwInvalidDbaseFormat(); 242 (*m_pFileStream) >> m_aHeader.db_slng; 243 if(ERRCODE_NONE != m_pFileStream->GetErrorCode()) 244 throwInvalidDbaseFormat(); 245 m_pFileStream->Read((char*)(&m_aHeader.db_frei), 20*sizeof(sal_uInt8)); 246 if(ERRCODE_NONE != m_pFileStream->GetErrorCode()) 247 throwInvalidDbaseFormat(); 248 249 if ( ( ( m_aHeader.db_kopf - 1 ) / 32 - 1 ) <= 0 ) // anzahl felder 250 { 251 // no dbase file 252 throwInvalidDbaseFormat(); 253 } 254 else 255 { 256 // Konsistenzpruefung des Header: 257 m_aHeader.db_typ = (DBFType)nType; 258 switch (m_aHeader.db_typ) 259 { 260 case dBaseIII: 261 case dBaseIV: 262 case dBaseV: 263 case VisualFoxPro: 264 case VisualFoxProAuto: 265 case dBaseFS: 266 case dBaseFSMemo: 267 case dBaseIVMemoSQL: 268 case dBaseIIIMemo: 269 case FoxProMemo: 270 m_pFileStream->SetNumberFormatInt(NUMBERFORMAT_INT_LITTLEENDIAN); 271 if ( m_aHeader.db_frei[17] != 0x00 272 && !m_aHeader.db_frei[18] && !m_aHeader.db_frei[19] && getConnection()->isTextEncodingDefaulted() ) 273 { 274 switch(m_aHeader.db_frei[17]) 275 { 276 case 0x01: m_eEncoding = RTL_TEXTENCODING_IBM_437; break; // DOS USA code page 437 277 case 0x02: m_eEncoding = RTL_TEXTENCODING_IBM_850; break; // DOS Multilingual code page 850 278 case 0x03: m_eEncoding = RTL_TEXTENCODING_MS_1252; break; // Windows ANSI code page 1252 279 case 0x04: m_eEncoding = RTL_TEXTENCODING_APPLE_ROMAN; break; // Standard Macintosh 280 case 0x64: m_eEncoding = RTL_TEXTENCODING_IBM_852; break; // EE MS-DOS code page 852 281 case 0x65: m_eEncoding = RTL_TEXTENCODING_IBM_865; break; // Nordic MS-DOS code page 865 282 case 0x66: m_eEncoding = RTL_TEXTENCODING_IBM_866; break; // Russian MS-DOS code page 866 283 case 0x67: m_eEncoding = RTL_TEXTENCODING_IBM_861; break; // Icelandic MS-DOS 284 //case 0x68: m_eEncoding = ; break; // Kamenicky (Czech) MS-DOS 285 //case 0x69: m_eEncoding = ; break; // Mazovia (Polish) MS-DOS 286 case 0x6A: m_eEncoding = RTL_TEXTENCODING_IBM_737; break; // Greek MS-DOS (437G) 287 case 0x6B: m_eEncoding = RTL_TEXTENCODING_IBM_857; break; // Turkish MS-DOS 288 case 0x96: m_eEncoding = RTL_TEXTENCODING_APPLE_CYRILLIC; break; // Russian Macintosh 289 case 0x97: m_eEncoding = RTL_TEXTENCODING_APPLE_CENTEURO; break; // Eastern European Macintosh 290 case 0x98: m_eEncoding = RTL_TEXTENCODING_APPLE_GREEK; break; // Greek Macintosh 291 case 0xC8: m_eEncoding = RTL_TEXTENCODING_MS_1250; break; // Windows EE code page 1250 292 case 0xC9: m_eEncoding = RTL_TEXTENCODING_MS_1251; break; // Russian Windows 293 case 0xCA: m_eEncoding = RTL_TEXTENCODING_MS_1254; break; // Turkish Windows 294 case 0xCB: m_eEncoding = RTL_TEXTENCODING_MS_1253; break; // Greek Windows 295 default: 296 break; 297 } 298 } 299 break; 300 case dBaseIVMemo: 301 m_pFileStream->SetNumberFormatInt(NUMBERFORMAT_INT_LITTLEENDIAN); 302 break; 303 default: 304 { 305 throwInvalidDbaseFormat(); 306 } 307 } 308 } 309 } 310 // ------------------------------------------------------------------------- 311 void ODbaseTable::fillColumns() 312 { 313 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::fillColumns" ); 314 m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN); 315 m_pFileStream->Seek(32L); 316 317 if(!m_aColumns.isValid()) 318 m_aColumns = new OSQLColumns(); 319 else 320 m_aColumns->get().clear(); 321 322 m_aTypes.clear(); 323 m_aPrecisions.clear(); 324 m_aScales.clear(); 325 326 // Anzahl Felder: 327 const sal_Int32 nFieldCount = (m_aHeader.db_kopf - 1) / 32 - 1; 328 OSL_ENSURE(nFieldCount,"No columns in table!"); 329 330 m_aColumns->get().reserve(nFieldCount); 331 m_aTypes.reserve(nFieldCount); 332 m_aPrecisions.reserve(nFieldCount); 333 m_aScales.reserve(nFieldCount); 334 335 String aStrFieldName; 336 aStrFieldName.AssignAscii("Column"); 337 ::rtl::OUString aTypeName; 338 static const ::rtl::OUString sVARCHAR(RTL_CONSTASCII_USTRINGPARAM("VARCHAR")); 339 const sal_Bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers(); 340 const bool bFoxPro = m_aHeader.db_typ == VisualFoxPro || m_aHeader.db_typ == VisualFoxProAuto || m_aHeader.db_typ == FoxProMemo; 341 342 sal_Int32 i = 0; 343 for (; i < nFieldCount; i++) 344 { 345 DBFColumn aDBFColumn; 346 m_pFileStream->Read((char*)&aDBFColumn, sizeof(aDBFColumn)); 347 if ( FIELD_DESCRIPTOR_TERMINATOR == aDBFColumn.db_fnm[0] ) // 0x0D stored as the Field Descriptor terminator. 348 break; 349 350 sal_Bool bIsRowVersion = bFoxPro && ( aDBFColumn.db_frei2[0] & 0x01 ) == 0x01; 351 //if ( bFoxPro && ( aDBFColumn.db_frei2[0] & 0x01 ) == 0x01 ) // system column not visible to user 352 // continue; 353 const String aColumnName((const char *)aDBFColumn.db_fnm,m_eEncoding); 354 355 m_aRealFieldLengths.push_back(aDBFColumn.db_flng); 356 sal_Int32 nPrecision = aDBFColumn.db_flng; 357 sal_Int32 eType; 358 sal_Bool bIsCurrency = sal_False; 359 360 char cType[2]; 361 cType[0] = aDBFColumn.db_typ; 362 cType[1] = 0; 363 aTypeName = ::rtl::OUString::createFromAscii(cType); 364 OSL_TRACE("column type: %c",aDBFColumn.db_typ); 365 366 switch (aDBFColumn.db_typ) 367 { 368 case 'C': 369 eType = DataType::VARCHAR; 370 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("VARCHAR")); 371 break; 372 case 'F': 373 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DECIMAL")); 374 case 'N': 375 if ( aDBFColumn.db_typ == 'N' ) 376 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("NUMERIC")); 377 eType = DataType::DECIMAL; 378 379 // Bei numerischen Feldern werden zwei Zeichen mehr geschrieben, als die Precision der Spaltenbeschreibung eigentlich 380 // angibt, um Platz fuer das eventuelle Vorzeichen und das Komma zu haben. Das muss ich jetzt aber wieder rausrechnen. 381 nPrecision = SvDbaseConverter::ConvertPrecisionToOdbc(nPrecision,aDBFColumn.db_dez); 382 // leider gilt das eben Gesagte nicht fuer aeltere Versionen .... 383 break; 384 case 'L': 385 eType = DataType::BIT; 386 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("BOOLEAN")); 387 break; 388 case 'Y': 389 bIsCurrency = sal_True; 390 eType = DataType::DOUBLE; 391 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DOUBLE")); 392 break; 393 case 'D': 394 eType = DataType::DATE; 395 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DATE")); 396 break; 397 case 'T': 398 eType = DataType::TIMESTAMP; 399 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("TIMESTAMP")); 400 break; 401 case 'I': 402 eType = DataType::INTEGER; 403 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("INTEGER")); 404 break; 405 case 'M': 406 if ( bFoxPro && ( aDBFColumn.db_frei2[0] & 0x04 ) == 0x04 ) 407 { 408 eType = DataType::LONGVARBINARY; 409 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("LONGVARBINARY")); 410 } 411 else 412 { 413 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("LONGVARCHAR")); 414 eType = DataType::LONGVARCHAR; 415 } 416 nPrecision = 2147483647; 417 break; 418 case 'P': 419 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("LONGVARBINARY")); 420 eType = DataType::LONGVARBINARY; 421 nPrecision = 2147483647; 422 break; 423 case '0': 424 case 'B': 425 if ( m_aHeader.db_typ == VisualFoxPro || m_aHeader.db_typ == VisualFoxProAuto ) 426 { 427 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DOUBLE")); 428 eType = DataType::DOUBLE; 429 } 430 else 431 { 432 aTypeName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("LONGVARBINARY")); 433 eType = DataType::LONGVARBINARY; 434 nPrecision = 2147483647; 435 } 436 break; 437 default: 438 eType = DataType::OTHER; 439 } 440 441 m_aTypes.push_back(eType); 442 m_aPrecisions.push_back(nPrecision); 443 m_aScales.push_back(aDBFColumn.db_dez); 444 445 Reference< XPropertySet> xCol = new sdbcx::OColumn(aColumnName, 446 aTypeName, 447 ::rtl::OUString(), 448 ::rtl::OUString(), 449 ColumnValue::NULLABLE, 450 nPrecision, 451 aDBFColumn.db_dez, 452 eType, 453 sal_False, 454 bIsRowVersion, 455 bIsCurrency, 456 bCase); 457 m_aColumns->get().push_back(xCol); 458 } // for (; i < nFieldCount; i++) 459 OSL_ENSURE(i,"No columns in table!"); 460 } 461 // ------------------------------------------------------------------------- 462 ODbaseTable::ODbaseTable(sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection) 463 :ODbaseTable_BASE(_pTables,_pConnection) 464 ,m_pMemoStream(NULL) 465 ,m_bWriteableMemo(sal_False) 466 { 467 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::ODbaseTable" ); 468 // initialize the header 469 m_aHeader.db_typ = dBaseIII; 470 m_aHeader.db_anz = 0; 471 m_aHeader.db_kopf = 0; 472 m_aHeader.db_slng = 0; 473 m_eEncoding = getConnection()->getTextEncoding(); 474 } 475 // ------------------------------------------------------------------------- 476 ODbaseTable::ODbaseTable(sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection, 477 const ::rtl::OUString& _Name, 478 const ::rtl::OUString& _Type, 479 const ::rtl::OUString& _Description , 480 const ::rtl::OUString& _SchemaName, 481 const ::rtl::OUString& _CatalogName 482 ) : ODbaseTable_BASE(_pTables,_pConnection,_Name, 483 _Type, 484 _Description, 485 _SchemaName, 486 _CatalogName) 487 ,m_pMemoStream(NULL) 488 ,m_bWriteableMemo(sal_False) 489 { 490 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::ODbaseTable" ); 491 m_eEncoding = getConnection()->getTextEncoding(); 492 } 493 494 // ----------------------------------------------------------------------------- 495 void ODbaseTable::construct() 496 { 497 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::construct" ); 498 // initialize the header 499 m_aHeader.db_typ = dBaseIII; 500 m_aHeader.db_anz = 0; 501 m_aHeader.db_kopf = 0; 502 m_aHeader.db_slng = 0; 503 m_aMemoHeader.db_size = 0; 504 505 String sFileName(getEntry(m_pConnection,m_Name)); 506 507 INetURLObject aURL; 508 aURL.SetURL(sFileName); 509 510 OSL_ENSURE( m_pConnection->matchesExtension( aURL.getExtension() ), 511 "ODbaseTable::ODbaseTable: invalid extension!"); 512 // getEntry is expected to ensure the corect file name 513 514 m_pFileStream = createStream_simpleError( sFileName, STREAM_READWRITE | STREAM_NOCREATE | STREAM_SHARE_DENYWRITE); 515 m_bWriteable = ( m_pFileStream != NULL ); 516 517 if ( !m_pFileStream ) 518 { 519 m_bWriteable = sal_False; 520 m_pFileStream = createStream_simpleError( sFileName, STREAM_READ | STREAM_NOCREATE | STREAM_SHARE_DENYNONE); 521 } 522 523 if(m_pFileStream) 524 { 525 readHeader(); 526 if (HasMemoFields()) 527 { 528 // Memo-Dateinamen bilden (.DBT): 529 // nyi: Unschoen fuer Unix und Mac! 530 531 if ( m_aHeader.db_typ == FoxProMemo || VisualFoxPro == m_aHeader.db_typ || VisualFoxProAuto == m_aHeader.db_typ ) // foxpro uses another extension 532 aURL.SetExtension(String::CreateFromAscii("fpt")); 533 else 534 aURL.SetExtension(String::CreateFromAscii("dbt")); 535 536 // Wenn die Memodatei nicht gefunden wird, werden die Daten trotzdem angezeigt 537 // allerdings koennen keine Updates durchgefuehrt werden 538 // jedoch die Operation wird ausgefuehrt 539 m_pMemoStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE), STREAM_READWRITE | STREAM_NOCREATE | STREAM_SHARE_DENYWRITE); 540 if ( !m_pMemoStream ) 541 { 542 m_bWriteableMemo = sal_False; 543 m_pMemoStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE), STREAM_READ | STREAM_NOCREATE | STREAM_SHARE_DENYNONE); 544 } 545 if (m_pMemoStream) 546 ReadMemoHeader(); 547 } 548 // if(!m_pColumns && (!m_aColumns.isValid() || !m_aColumns->size())) 549 fillColumns(); 550 551 sal_uInt32 nFileSize = lcl_getFileSize(*m_pFileStream); 552 m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN); 553 if ( m_aHeader.db_anz == 0 && ((nFileSize-m_aHeader.db_kopf)/m_aHeader.db_slng) > 0) // seems to be empty or someone wrote bullshit into the dbase file 554 m_aHeader.db_anz = ((nFileSize-m_aHeader.db_kopf)/m_aHeader.db_slng); 555 556 // Buffersize abhaengig von der Filegroesse 557 m_pFileStream->SetBufferSize(nFileSize > 1000000 ? 32768 : 558 nFileSize > 100000 ? 16384 : 559 nFileSize > 10000 ? 4096 : 1024); 560 561 if (m_pMemoStream) 562 { 563 // Puffer genau auf Laenge eines Satzes stellen 564 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 565 nFileSize = m_pMemoStream->Tell(); 566 m_pMemoStream->Seek(STREAM_SEEK_TO_BEGIN); 567 568 // Buffersize abhaengig von der Filegroesse 569 m_pMemoStream->SetBufferSize(nFileSize > 1000000 ? 32768 : 570 nFileSize > 100000 ? 16384 : 571 nFileSize > 10000 ? 4096 : 572 m_aMemoHeader.db_size); 573 } 574 575 AllocBuffer(); 576 } 577 } 578 //------------------------------------------------------------------ 579 sal_Bool ODbaseTable::ReadMemoHeader() 580 { 581 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::ReadMemoHeader" ); 582 m_pMemoStream->SetNumberFormatInt(NUMBERFORMAT_INT_LITTLEENDIAN); 583 m_pMemoStream->RefreshBuffer(); // sicherstellen das die Kopfinformationen tatsaechlich neu gelesen werden 584 m_pMemoStream->Seek(0L); 585 586 (*m_pMemoStream) >> m_aMemoHeader.db_next; 587 switch (m_aHeader.db_typ) 588 { 589 case dBaseIIIMemo: // dBase III: feste Blockgroesse 590 case dBaseIVMemo: 591 // manchmal wird aber auch dBase3 dBase4 Memo zugeordnet 592 m_pMemoStream->Seek(20L); 593 (*m_pMemoStream) >> m_aMemoHeader.db_size; 594 if (m_aMemoHeader.db_size > 1 && m_aMemoHeader.db_size != 512) // 1 steht auch fuer dBase 3 595 m_aMemoHeader.db_typ = MemodBaseIV; 596 else if (m_aMemoHeader.db_size > 1 && m_aMemoHeader.db_size == 512) 597 { 598 // nun gibt es noch manche Dateien, die verwenden eine Groessenangabe, 599 // sind aber dennoch dBase Dateien 600 char sHeader[4]; 601 m_pMemoStream->Seek(m_aMemoHeader.db_size); 602 m_pMemoStream->Read(sHeader,4); 603 604 if ((m_pMemoStream->GetErrorCode() != ERRCODE_NONE) || ((sal_uInt8)sHeader[0]) != 0xFF || ((sal_uInt8)sHeader[1]) != 0xFF || ((sal_uInt8)sHeader[2]) != 0x08) 605 m_aMemoHeader.db_typ = MemodBaseIII; 606 else 607 m_aMemoHeader.db_typ = MemodBaseIV; 608 } 609 else 610 { 611 m_aMemoHeader.db_typ = MemodBaseIII; 612 m_aMemoHeader.db_size = 512; 613 } 614 break; 615 case VisualFoxPro: 616 case VisualFoxProAuto: 617 case FoxProMemo: 618 m_aMemoHeader.db_typ = MemoFoxPro; 619 m_pMemoStream->Seek(6L); 620 m_pMemoStream->SetNumberFormatInt(NUMBERFORMAT_INT_BIGENDIAN); 621 (*m_pMemoStream) >> m_aMemoHeader.db_size; 622 break; 623 default: 624 OSL_ENSURE( false, "ODbaseTable::ReadMemoHeader: unsupported memo type!" ); 625 break; 626 } 627 return sal_True; 628 } 629 // ------------------------------------------------------------------------- 630 String ODbaseTable::getEntry(OConnection* _pConnection,const ::rtl::OUString& _sName ) 631 { 632 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getEntry" ); 633 ::rtl::OUString sURL; 634 try 635 { 636 Reference< XResultSet > xDir = _pConnection->getDir()->getStaticResultSet(); 637 Reference< XRow> xRow(xDir,UNO_QUERY); 638 ::rtl::OUString sName; 639 ::rtl::OUString sExt; 640 INetURLObject aURL; 641 static const ::rtl::OUString s_sSeparator(RTL_CONSTASCII_USTRINGPARAM("/")); 642 xDir->beforeFirst(); 643 while(xDir->next()) 644 { 645 sName = xRow->getString(1); 646 aURL.SetSmartProtocol(INET_PROT_FILE); 647 String sUrl = _pConnection->getURL() + s_sSeparator + sName; 648 aURL.SetSmartURL( sUrl ); 649 650 // cut the extension 651 sExt = aURL.getExtension(); 652 653 // name and extension have to coincide 654 if ( _pConnection->matchesExtension( sExt ) ) 655 { 656 sName = sName.replaceAt(sName.getLength()-(sExt.getLength()+1),sExt.getLength()+1,::rtl::OUString()); 657 if ( sName == _sName ) 658 { 659 Reference< XContentAccess > xContentAccess( xDir, UNO_QUERY ); 660 sURL = xContentAccess->queryContentIdentifierString(); 661 break; 662 } 663 } 664 } 665 xDir->beforeFirst(); // move back to before first record 666 } 667 catch(Exception&) 668 { 669 OSL_ASSERT(0); 670 } 671 return sURL; 672 } 673 // ------------------------------------------------------------------------- 674 void ODbaseTable::refreshColumns() 675 { 676 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::refreshColumns" ); 677 ::osl::MutexGuard aGuard( m_aMutex ); 678 679 TStringVector aVector; 680 aVector.reserve(m_aColumns->get().size()); 681 682 for(OSQLColumns::Vector::const_iterator aIter = m_aColumns->get().begin();aIter != m_aColumns->get().end();++aIter) 683 aVector.push_back(Reference< XNamed>(*aIter,UNO_QUERY)->getName()); 684 685 if(m_pColumns) 686 m_pColumns->reFill(aVector); 687 else 688 m_pColumns = new ODbaseColumns(this,m_aMutex,aVector); 689 } 690 // ------------------------------------------------------------------------- 691 void ODbaseTable::refreshIndexes() 692 { 693 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::refreshIndexes" ); 694 TStringVector aVector; 695 if(m_pFileStream && (!m_pIndexes || m_pIndexes->getCount() == 0)) 696 { 697 INetURLObject aURL; 698 aURL.SetURL(getEntry(m_pConnection,m_Name)); 699 700 aURL.setExtension(String::CreateFromAscii("inf")); 701 Config aInfFile(aURL.getFSysPath(INetURLObject::FSYS_DETECT)); 702 aInfFile.SetGroup(dBASE_III_GROUP); 703 sal_uInt16 nKeyCnt = aInfFile.GetKeyCount(); 704 ByteString aKeyName; 705 ByteString aIndexName; 706 707 for (sal_uInt16 nKey = 0; nKey < nKeyCnt; nKey++) 708 { 709 // Verweist der Key auf ein Indexfile?... 710 aKeyName = aInfFile.GetKeyName( nKey ); 711 //...wenn ja, Indexliste der Tabelle hinzufuegen 712 if (aKeyName.Copy(0,3) == ByteString("NDX") ) 713 { 714 aIndexName = aInfFile.ReadKey(aKeyName); 715 aURL.setName(String(aIndexName,m_eEncoding)); 716 try 717 { 718 Content aCnt(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 719 if (aCnt.isDocument()) 720 { 721 aVector.push_back(aURL.getBase()); 722 } 723 } 724 catch(Exception&) // a execption is thrown when no file exists 725 { 726 } 727 } 728 } 729 } 730 if(m_pIndexes) 731 m_pIndexes->reFill(aVector); 732 else 733 m_pIndexes = new ODbaseIndexes(this,m_aMutex,aVector); 734 } 735 736 // ------------------------------------------------------------------------- 737 void SAL_CALL ODbaseTable::disposing(void) 738 { 739 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::disposing" ); 740 OFileTable::disposing(); 741 ::osl::MutexGuard aGuard(m_aMutex); 742 m_aColumns = NULL; 743 } 744 // ------------------------------------------------------------------------- 745 Sequence< Type > SAL_CALL ODbaseTable::getTypes( ) throw(RuntimeException) 746 { 747 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getTypes" ); 748 Sequence< Type > aTypes = OTable_TYPEDEF::getTypes(); 749 ::std::vector<Type> aOwnTypes; 750 aOwnTypes.reserve(aTypes.getLength()); 751 752 const Type* pBegin = aTypes.getConstArray(); 753 const Type* pEnd = pBegin + aTypes.getLength(); 754 for(;pBegin != pEnd;++pBegin) 755 { 756 if(!(*pBegin == ::getCppuType((const Reference<XKeysSupplier>*)0) || 757 // *pBegin == ::getCppuType((const Reference<XAlterTable>*)0) || 758 *pBegin == ::getCppuType((const Reference<XDataDescriptorFactory>*)0))) 759 { 760 aOwnTypes.push_back(*pBegin); 761 } 762 } 763 aOwnTypes.push_back(::getCppuType( (const Reference< ::com::sun::star::lang::XUnoTunnel > *)0 )); 764 Type *pTypes = aOwnTypes.empty() ? 0 : &aOwnTypes[0]; 765 return Sequence< Type >(pTypes, aOwnTypes.size()); 766 } 767 768 // ------------------------------------------------------------------------- 769 Any SAL_CALL ODbaseTable::queryInterface( const Type & rType ) throw(RuntimeException) 770 { 771 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::queryInterface" ); 772 if( rType == ::getCppuType((const Reference<XKeysSupplier>*)0) || 773 rType == ::getCppuType((const Reference<XDataDescriptorFactory>*)0)) 774 return Any(); 775 776 Any aRet = OTable_TYPEDEF::queryInterface(rType); 777 return aRet.hasValue() ? aRet : ::cppu::queryInterface(rType,static_cast< ::com::sun::star::lang::XUnoTunnel*> (this)); 778 } 779 780 //-------------------------------------------------------------------------- 781 Sequence< sal_Int8 > ODbaseTable::getUnoTunnelImplementationId() 782 { 783 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getUnoTunnelImplementationId" ); 784 static ::cppu::OImplementationId * pId = 0; 785 if (! pId) 786 { 787 ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ); 788 if (! pId) 789 { 790 static ::cppu::OImplementationId aId; 791 pId = &aId; 792 } 793 } 794 return pId->getImplementationId(); 795 } 796 797 // com::sun::star::lang::XUnoTunnel 798 //------------------------------------------------------------------ 799 sal_Int64 ODbaseTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException) 800 { 801 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getSomething" ); 802 return (rId.getLength() == 16 && 0 == rtl_compareMemory(getUnoTunnelImplementationId().getConstArray(), rId.getConstArray(), 16 ) ) 803 ? reinterpret_cast< sal_Int64 >( this ) 804 : ODbaseTable_BASE::getSomething(rId); 805 } 806 //------------------------------------------------------------------ 807 sal_Bool ODbaseTable::fetchRow(OValueRefRow& _rRow,const OSQLColumns & _rCols, sal_Bool _bUseTableDefs,sal_Bool bRetrieveData) 808 { 809 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::fetchRow" ); 810 // Einlesen der Daten 811 sal_Bool bIsCurRecordDeleted = ((char)m_pBuffer[0] == '*') ? sal_True : sal_False; 812 813 // only read the bookmark 814 815 // Satz als geloescht markieren 816 // rRow.setState(bIsCurRecordDeleted ? ROW_DELETED : ROW_CLEAN ); 817 _rRow->setDeleted(bIsCurRecordDeleted); 818 *(_rRow->get())[0] = m_nFilePos; 819 820 if (!bRetrieveData) 821 return sal_True; 822 823 sal_Size nByteOffset = 1; 824 // Felder: 825 OSQLColumns::Vector::const_iterator aIter = _rCols.get().begin(); 826 OSQLColumns::Vector::const_iterator aEnd = _rCols.get().end(); 827 const sal_Size nCount = _rRow->get().size(); 828 for (sal_Size i = 1; aIter != aEnd && nByteOffset <= m_nBufferSize && i < nCount;++aIter, i++) 829 { 830 // Laengen je nach Datentyp: 831 sal_Int32 nLen = 0; 832 sal_Int32 nType = 0; 833 if(_bUseTableDefs) 834 { 835 nLen = m_aPrecisions[i-1]; 836 nType = m_aTypes[i-1]; 837 } 838 else 839 { 840 (*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)) >>= nLen; 841 (*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType; 842 } 843 switch(nType) 844 { 845 case DataType::INTEGER: 846 case DataType::DOUBLE: 847 case DataType::TIMESTAMP: 848 case DataType::DATE: 849 case DataType::BIT: 850 case DataType::LONGVARCHAR: 851 case DataType::LONGVARBINARY: 852 nLen = m_aRealFieldLengths[i-1]; 853 break; 854 case DataType::DECIMAL: 855 if(_bUseTableDefs) 856 nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,m_aScales[i-1]); 857 else 858 nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,getINT32((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE)))); 859 break; // das Vorzeichen und das Komma 860 861 case DataType::BINARY: 862 case DataType::OTHER: 863 nByteOffset += nLen; 864 continue; 865 } 866 867 // Ist die Variable ueberhaupt gebunden? 868 if ( !(_rRow->get())[i]->isBound() ) 869 { 870 // Nein - naechstes Feld. 871 nByteOffset += nLen; 872 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 873 continue; 874 } // if ( !(_rRow->get())[i]->isBound() ) 875 if ( ( nByteOffset + nLen) > m_nBufferSize ) 876 break; // length doesn't match buffer size. 877 878 char *pData = (char *) (m_pBuffer + nByteOffset); 879 880 // (*_rRow)[i].setType(nType); 881 882 if (nType == DataType::CHAR || nType == DataType::VARCHAR) 883 { 884 char cLast = pData[nLen]; 885 pData[nLen] = 0; 886 String aStr(pData,(xub_StrLen)nLen,m_eEncoding); 887 aStr.EraseTrailingChars(); 888 889 if ( aStr.Len() ) 890 *(_rRow->get())[i] = ::rtl::OUString(aStr); 891 else// keine StringLaenge, dann NULL 892 (_rRow->get())[i]->setNull(); 893 894 pData[nLen] = cLast; 895 } // if (nType == DataType::CHAR || nType == DataType::VARCHAR) 896 else if ( DataType::TIMESTAMP == nType ) 897 { 898 sal_Int32 nDate = 0,nTime = 0; 899 memcpy(&nDate, pData, 4); 900 memcpy(&nTime, pData+ 4, 4); 901 if ( !nDate && !nTime ) 902 { 903 (_rRow->get())[i]->setNull(); 904 } 905 else 906 { 907 ::com::sun::star::util::DateTime aDateTime; 908 lcl_CalDate(nDate,nTime,aDateTime); 909 *(_rRow->get())[i] = aDateTime; 910 } 911 } 912 else if ( DataType::INTEGER == nType ) 913 { 914 sal_Int32 nValue = 0; 915 memcpy(&nValue, pData, nLen); 916 *(_rRow->get())[i] = nValue; 917 } 918 else if ( DataType::DOUBLE == nType ) 919 { 920 double d = 0.0; 921 if (getBOOL((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 922 { 923 sal_Int64 nValue = 0; 924 memcpy(&nValue, pData, nLen); 925 926 if ( m_aScales[i-1] ) 927 d = (double)(nValue / pow(10.0,(int)m_aScales[i-1])); 928 else 929 d = (double)(nValue); 930 } 931 else 932 { 933 memcpy(&d, pData, nLen); 934 } 935 936 *(_rRow->get())[i] = d; 937 } 938 else 939 { 940 // Falls Nul-Zeichen im String enthalten sind, in Blanks umwandeln! 941 for (sal_Int32 k = 0; k < nLen; k++) 942 { 943 if (pData[k] == '\0') 944 pData[k] = ' '; 945 } 946 947 String aStr(pData, (xub_StrLen)nLen,m_eEncoding); // Spaces am Anfang und am Ende entfernen: 948 aStr.EraseLeadingChars(); 949 aStr.EraseTrailingChars(); 950 951 if (!aStr.Len()) 952 { 953 nByteOffset += nLen; 954 (_rRow->get())[i]->setNull(); // keine Werte -> fertig 955 continue; 956 } 957 958 switch (nType) 959 { 960 case DataType::DATE: 961 { 962 if (aStr.Len() != nLen) 963 { 964 (_rRow->get())[i]->setNull(); 965 break; 966 } 967 const sal_uInt16 nYear = (sal_uInt16)aStr.Copy( 0, 4 ).ToInt32(); 968 const sal_uInt16 nMonth = (sal_uInt16)aStr.Copy( 4, 2 ).ToInt32(); 969 const sal_uInt16 nDay = (sal_uInt16)aStr.Copy( 6, 2 ).ToInt32(); 970 971 const ::com::sun::star::util::Date aDate(nDay,nMonth,nYear); 972 *(_rRow->get())[i] = aDate; 973 } 974 break; 975 case DataType::DECIMAL: 976 *(_rRow->get())[i] = ORowSetValue(aStr); 977 // pVal->setDouble(SdbTools::ToDouble(aStr)); 978 break; 979 case DataType::BIT: 980 { 981 sal_Bool b; 982 switch (* ((const char *)pData)) 983 { 984 case 'T': 985 case 'Y': 986 case 'J': b = sal_True; break; 987 default: b = sal_False; break; 988 } 989 *(_rRow->get())[i] = b; 990 // pVal->setDouble(b); 991 } 992 break; 993 case DataType::LONGVARBINARY: 994 case DataType::BINARY: 995 case DataType::LONGVARCHAR: 996 { 997 const long nBlockNo = aStr.ToInt32(); // Blocknummer lesen 998 if (nBlockNo > 0 && m_pMemoStream) // Daten aus Memo-Datei lesen, nur wenn 999 { 1000 if ( !ReadMemo(nBlockNo, (_rRow->get())[i]->get()) ) 1001 break; 1002 } 1003 else 1004 (_rRow->get())[i]->setNull(); 1005 } break; 1006 default: 1007 OSL_ASSERT("Falscher Type"); 1008 } 1009 (_rRow->get())[i]->setTypeKind(nType); 1010 } 1011 1012 nByteOffset += nLen; 1013 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 1014 } 1015 return sal_True; 1016 } 1017 //------------------------------------------------------------------ 1018 // ------------------------------------------------------------------------- 1019 void ODbaseTable::FileClose() 1020 { 1021 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::FileClose" ); 1022 ::osl::MutexGuard aGuard(m_aMutex); 1023 // falls noch nicht alles geschrieben wurde 1024 if (m_pMemoStream && m_pMemoStream->IsWritable()) 1025 m_pMemoStream->Flush(); 1026 1027 delete m_pMemoStream; 1028 m_pMemoStream = NULL; 1029 1030 ODbaseTable_BASE::FileClose(); 1031 } 1032 // ------------------------------------------------------------------------- 1033 sal_Bool ODbaseTable::CreateImpl() 1034 { 1035 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::CreateImpl" ); 1036 OSL_ENSURE(!m_pFileStream, "SequenceError"); 1037 1038 if ( m_pConnection->isCheckEnabled() && ::dbtools::convertName2SQLName(m_Name,::rtl::OUString()) != m_Name ) 1039 { 1040 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1041 STR_SQL_NAME_ERROR, 1042 "$name$", m_Name 1043 ) ); 1044 ::dbtools::throwGenericSQLException( sError, *this ); 1045 } 1046 1047 INetURLObject aURL; 1048 aURL.SetSmartProtocol(INET_PROT_FILE); 1049 String aName = getEntry(m_pConnection,m_Name); 1050 if(!aName.Len()) 1051 { 1052 ::rtl::OUString aIdent = m_pConnection->getContent()->getIdentifier()->getContentIdentifier(); 1053 if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) ) 1054 aIdent += ::rtl::OUString::createFromAscii("/"); 1055 aIdent += m_Name; 1056 aName = aIdent.getStr(); 1057 } 1058 aURL.SetURL(aName); 1059 1060 if ( !m_pConnection->matchesExtension( aURL.getExtension() ) ) 1061 aURL.setExtension(m_pConnection->getExtension()); 1062 1063 try 1064 { 1065 Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1066 if (aContent.isDocument()) 1067 { 1068 // Hack fuer Bug #30609 , nur wenn das File existiert und die Laenge > 0 gibt es einen Fehler 1069 SvStream* pFileStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE),STREAM_READ); 1070 1071 if (pFileStream && pFileStream->Seek(STREAM_SEEK_TO_END)) 1072 { 1073 // aStatus.SetError(ERRCODE_IO_ALREADYEXISTS,TABLE,aFile.GetFull()); 1074 return sal_False; 1075 } 1076 delete pFileStream; 1077 } 1078 } 1079 catch(Exception&) // a execption is thrown when no file exists 1080 { 1081 } 1082 1083 sal_Bool bMemoFile = sal_False; 1084 1085 sal_Bool bOk = CreateFile(aURL, bMemoFile); 1086 1087 FileClose(); 1088 1089 if (!bOk) 1090 { 1091 try 1092 { 1093 Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1094 aContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),bool2any( sal_True ) ); 1095 } 1096 catch(Exception&) // a execption is thrown when no file exists 1097 { 1098 } 1099 return sal_False; 1100 } 1101 1102 if (bMemoFile) 1103 { 1104 String aExt = aURL.getExtension(); 1105 aURL.setExtension(String::CreateFromAscii("dbt")); // extension for memo file 1106 Content aMemo1Content(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1107 1108 sal_Bool bMemoAlreadyExists = sal_False; 1109 try 1110 { 1111 bMemoAlreadyExists = aMemo1Content.isDocument(); 1112 } 1113 catch(Exception&) // a execption is thrown when no file exists 1114 { 1115 } 1116 if (bMemoAlreadyExists) 1117 { 1118 // aStatus.SetError(ERRCODE_IO_ALREADYEXISTS,MEMO,aFile.GetFull()); 1119 aURL.setExtension(aExt); // kill dbf file 1120 try 1121 { 1122 Content aMemoContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1123 aMemoContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),bool2any( sal_True ) ); 1124 } 1125 catch(const Exception&) 1126 { 1127 1128 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1129 STR_COULD_NOT_DELETE_FILE, 1130 "$name$", aName 1131 ) ); 1132 ::dbtools::throwGenericSQLException( sError, *this ); 1133 } 1134 } 1135 if (!CreateMemoFile(aURL)) 1136 { 1137 aURL.setExtension(aExt); // kill dbf file 1138 Content aMemoContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1139 aMemoContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),bool2any( sal_True ) ); 1140 return sal_False; 1141 } 1142 m_aHeader.db_typ = dBaseIIIMemo; 1143 } 1144 else 1145 m_aHeader.db_typ = dBaseIII; 1146 1147 return sal_True; 1148 } 1149 // ----------------------------------------------------------------------------- 1150 void ODbaseTable::throwInvalidColumnType(const sal_uInt16 _nErrorId,const ::rtl::OUString& _sColumnName) 1151 { 1152 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::throwInvalidColumnType" ); 1153 try 1154 { 1155 // we have to drop the file because it is corrupted now 1156 DropImpl(); 1157 } 1158 catch(const Exception&) 1159 { 1160 } 1161 1162 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1163 _nErrorId, 1164 "$columnname$", _sColumnName 1165 ) ); 1166 ::dbtools::throwGenericSQLException( sError, *this ); 1167 } 1168 //------------------------------------------------------------------ 1169 // erzeugt grundsaetzlich dBase IV Datei Format 1170 sal_Bool ODbaseTable::CreateFile(const INetURLObject& aFile, sal_Bool& bCreateMemo) 1171 { 1172 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::CreateFile" ); 1173 bCreateMemo = sal_False; 1174 Date aDate; // aktuelles Datum 1175 1176 m_pFileStream = createStream_simpleError( aFile.GetMainURL(INetURLObject::NO_DECODE),STREAM_READWRITE | STREAM_SHARE_DENYWRITE | STREAM_TRUNC ); 1177 1178 if (!m_pFileStream) 1179 return sal_False; 1180 1181 sal_uInt8 nDbaseType = dBaseIII; 1182 Reference<XIndexAccess> xColumns(getColumns(),UNO_QUERY); 1183 Reference<XPropertySet> xCol; 1184 const ::rtl::OUString sPropType = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE); 1185 1186 try 1187 { 1188 const sal_Int32 nCount = xColumns->getCount(); 1189 for(sal_Int32 i=0;i<nCount;++i) 1190 { 1191 xColumns->getByIndex(i) >>= xCol; 1192 OSL_ENSURE(xCol.is(),"This should be a column!"); 1193 1194 switch (getINT32(xCol->getPropertyValue(sPropType))) 1195 { 1196 case DataType::DOUBLE: 1197 case DataType::INTEGER: 1198 case DataType::TIMESTAMP: 1199 case DataType::LONGVARBINARY: 1200 nDbaseType = VisualFoxPro; 1201 i = nCount; // no more columns need to be checked 1202 break; 1203 } // switch (getINT32(xCol->getPropertyValue(sPropType))) 1204 } 1205 } 1206 catch ( const Exception& e ) 1207 { 1208 (void)e; 1209 1210 try 1211 { 1212 // we have to drop the file because it is corrupted now 1213 DropImpl(); 1214 } 1215 catch(const Exception&) { } 1216 throw; 1217 } 1218 1219 char aBuffer[21]; // write buffer 1220 memset(aBuffer,0,sizeof(aBuffer)); 1221 1222 m_pFileStream->Seek(0L); 1223 (*m_pFileStream) << (sal_uInt8) nDbaseType; // dBase format 1224 (*m_pFileStream) << (sal_uInt8) (aDate.GetYear() % 100); // aktuelles Datum 1225 1226 1227 (*m_pFileStream) << (sal_uInt8) aDate.GetMonth(); 1228 (*m_pFileStream) << (sal_uInt8) aDate.GetDay(); 1229 (*m_pFileStream) << 0L; // Anzahl der Datensaetze 1230 (*m_pFileStream) << (sal_uInt16)((m_pColumns->getCount()+1) * 32 + 1); // Kopfinformationen, 1231 // pColumns erhaelt immer eine Spalte mehr 1232 (*m_pFileStream) << (sal_uInt16) 0; // Satzlaenge wird spaeter bestimmt 1233 m_pFileStream->Write(aBuffer, 20); 1234 1235 sal_uInt16 nRecLength = 1; // Laenge 1 fuer deleted flag 1236 sal_Int32 nMaxFieldLength = m_pConnection->getMetaData()->getMaxColumnNameLength(); 1237 ::rtl::OUString aName; 1238 const ::rtl::OUString sPropName = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME); 1239 const ::rtl::OUString sPropPrec = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION); 1240 const ::rtl::OUString sPropScale = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE); 1241 1242 try 1243 { 1244 const sal_Int32 nCount = xColumns->getCount(); 1245 for(sal_Int32 i=0;i<nCount;++i) 1246 { 1247 xColumns->getByIndex(i) >>= xCol; 1248 OSL_ENSURE(xCol.is(),"This should be a column!"); 1249 1250 char cTyp( 'C' ); 1251 1252 xCol->getPropertyValue(sPropName) >>= aName; 1253 1254 ::rtl::OString aCol; 1255 if ( DBTypeConversion::convertUnicodeString( aName, aCol, m_eEncoding ) > nMaxFieldLength) 1256 { 1257 throwInvalidColumnType( STR_INVALID_COLUMN_NAME_LENGTH, aName ); 1258 } 1259 1260 (*m_pFileStream) << aCol.getStr(); 1261 m_pFileStream->Write(aBuffer, 11 - aCol.getLength()); 1262 1263 sal_Int32 nPrecision = 0; 1264 xCol->getPropertyValue(sPropPrec) >>= nPrecision; 1265 sal_Int32 nScale = 0; 1266 xCol->getPropertyValue(sPropScale) >>= nScale; 1267 1268 bool bBinary = false; 1269 1270 switch (getINT32(xCol->getPropertyValue(sPropType))) 1271 { 1272 case DataType::CHAR: 1273 case DataType::VARCHAR: 1274 cTyp = 'C'; 1275 break; 1276 case DataType::DOUBLE: 1277 if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1278 cTyp = 'Y'; 1279 else 1280 cTyp = 'B'; 1281 break; 1282 case DataType::INTEGER: 1283 cTyp = 'I'; 1284 break; 1285 case DataType::TINYINT: 1286 case DataType::SMALLINT: 1287 case DataType::BIGINT: 1288 case DataType::DECIMAL: 1289 case DataType::NUMERIC: 1290 case DataType::REAL: 1291 cTyp = 'N'; // nur dBase 3 format 1292 break; 1293 case DataType::TIMESTAMP: 1294 cTyp = 'T'; 1295 break; 1296 case DataType::DATE: 1297 cTyp = 'D'; 1298 break; 1299 case DataType::BIT: 1300 cTyp = 'L'; 1301 break; 1302 case DataType::LONGVARBINARY: 1303 bBinary = true; 1304 // run through 1305 case DataType::LONGVARCHAR: 1306 cTyp = 'M'; 1307 break; 1308 default: 1309 { 1310 throwInvalidColumnType(STR_INVALID_COLUMN_TYPE, aName); 1311 } 1312 } 1313 1314 (*m_pFileStream) << cTyp; 1315 if ( nDbaseType == VisualFoxPro ) 1316 (*m_pFileStream) << (nRecLength-1); 1317 else 1318 m_pFileStream->Write(aBuffer, 4); 1319 1320 switch(cTyp) 1321 { 1322 case 'C': 1323 OSL_ENSURE(nPrecision < 255, "ODbaseTable::Create: Column zu lang!"); 1324 if (nPrecision > 254) 1325 { 1326 throwInvalidColumnType(STR_INVALID_COLUMN_PRECISION, aName); 1327 } 1328 (*m_pFileStream) << (sal_uInt8) Min((sal_uIntPtr)nPrecision, 255UL); //Feldlaenge 1329 nRecLength = nRecLength + (sal_uInt16)::std::min((sal_uInt16)nPrecision, (sal_uInt16)255UL); 1330 (*m_pFileStream) << (sal_uInt8)0; //Nachkommastellen 1331 break; 1332 case 'F': 1333 case 'N': 1334 OSL_ENSURE(nPrecision >= nScale, 1335 "ODbaseTable::Create: Feldlaenge muss groesser Nachkommastellen sein!"); 1336 if (nPrecision < nScale) 1337 { 1338 throwInvalidColumnType(STR_INVALID_PRECISION_SCALE, aName); 1339 } 1340 if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1341 { 1342 (*m_pFileStream) << (sal_uInt8)10; // Standard Laenge 1343 (*m_pFileStream) << (sal_uInt8)4; 1344 nRecLength += 10; 1345 } 1346 else 1347 { 1348 sal_Int32 nPrec = SvDbaseConverter::ConvertPrecisionToDbase(nPrecision,nScale); 1349 1350 (*m_pFileStream) << (sal_uInt8)( nPrec); 1351 (*m_pFileStream) << (sal_uInt8)nScale; 1352 nRecLength += (sal_uInt16)nPrec; 1353 } 1354 break; 1355 case 'L': 1356 (*m_pFileStream) << (sal_uInt8)1; 1357 (*m_pFileStream) << (sal_uInt8)0; 1358 ++nRecLength; 1359 break; 1360 case 'I': 1361 (*m_pFileStream) << (sal_uInt8)4; 1362 (*m_pFileStream) << (sal_uInt8)0; 1363 nRecLength += 4; 1364 break; 1365 case 'Y': 1366 case 'B': 1367 case 'T': 1368 case 'D': 1369 (*m_pFileStream) << (sal_uInt8)8; 1370 (*m_pFileStream) << (sal_uInt8)0; 1371 nRecLength += 8; 1372 break; 1373 case 'M': 1374 bCreateMemo = sal_True; 1375 (*m_pFileStream) << (sal_uInt8)10; 1376 (*m_pFileStream) << (sal_uInt8)0; 1377 nRecLength += 10; 1378 if ( bBinary ) 1379 aBuffer[0] = 0x06; 1380 break; 1381 default: 1382 throwInvalidColumnType(STR_INVALID_COLUMN_TYPE, aName); 1383 } 1384 m_pFileStream->Write(aBuffer, 14); 1385 aBuffer[0] = 0x00; 1386 } 1387 1388 (*m_pFileStream) << (sal_uInt8)FIELD_DESCRIPTOR_TERMINATOR; // kopf ende 1389 (*m_pFileStream) << (char)DBF_EOL; 1390 m_pFileStream->Seek(10L); 1391 (*m_pFileStream) << nRecLength; // Satzlaenge nachtraeglich eintragen 1392 1393 if (bCreateMemo) 1394 { 1395 m_pFileStream->Seek(0L); 1396 if (nDbaseType == VisualFoxPro) 1397 (*m_pFileStream) << (sal_uInt8) FoxProMemo; 1398 else 1399 (*m_pFileStream) << (sal_uInt8) dBaseIIIMemo; 1400 } // if (bCreateMemo) 1401 } 1402 catch ( const Exception& e ) 1403 { 1404 (void)e; 1405 1406 try 1407 { 1408 // we have to drop the file because it is corrupted now 1409 DropImpl(); 1410 } 1411 catch(const Exception&) { } 1412 throw; 1413 } 1414 return sal_True; 1415 } 1416 1417 //------------------------------------------------------------------ 1418 // erzeugt grundsaetzlich dBase III Datei Format 1419 sal_Bool ODbaseTable::CreateMemoFile(const INetURLObject& aFile) 1420 { 1421 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::CreateMemoFile" ); 1422 // Makro zum Filehandling fuers Erzeugen von Tabellen 1423 m_pMemoStream = createStream_simpleError( aFile.GetMainURL(INetURLObject::NO_DECODE),STREAM_READWRITE | STREAM_SHARE_DENYWRITE); 1424 1425 if (!m_pMemoStream) 1426 return sal_False; 1427 1428 char aBuffer[512]; // write buffer 1429 memset(aBuffer,0,sizeof(aBuffer)); 1430 1431 m_pMemoStream->SetFiller('\0'); 1432 m_pMemoStream->SetStreamSize(512); 1433 1434 m_pMemoStream->Seek(0L); 1435 (*m_pMemoStream) << long(1); // Zeiger auf ersten freien Block 1436 1437 m_pMemoStream->Flush(); 1438 delete m_pMemoStream; 1439 m_pMemoStream = NULL; 1440 return sal_True; 1441 } 1442 //------------------------------------------------------------------ 1443 sal_Bool ODbaseTable::Drop_Static(const ::rtl::OUString& _sUrl,sal_Bool _bHasMemoFields,OCollection* _pIndexes ) 1444 { 1445 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::Drop_Static" ); 1446 INetURLObject aURL; 1447 aURL.SetURL(_sUrl); 1448 1449 sal_Bool bDropped = ::utl::UCBContentHelper::Kill(aURL.GetMainURL(INetURLObject::NO_DECODE)); 1450 1451 if(bDropped) 1452 { 1453 if (_bHasMemoFields) 1454 { // delete the memo fields 1455 aURL.setExtension(String::CreateFromAscii("dbt")); 1456 bDropped = ::utl::UCBContentHelper::Kill(aURL.GetMainURL(INetURLObject::NO_DECODE)); 1457 } 1458 1459 if(bDropped) 1460 { 1461 if(_pIndexes) 1462 { 1463 try 1464 { 1465 sal_Int32 i = _pIndexes->getCount(); 1466 while (i) 1467 { 1468 _pIndexes->dropByIndex(--i); 1469 } 1470 } 1471 catch(SQLException) 1472 { 1473 } 1474 } 1475 // aFile.SetBase(m_Name); 1476 aURL.setExtension(String::CreateFromAscii("inf")); 1477 1478 // as the inf file does not necessarily exist, we aren't allowed to use UCBContentHelper::Kill 1479 // 89711 - 16.07.2001 - frank.schoenheit@sun.com 1480 try 1481 { 1482 ::ucbhelper::Content aDeleteContent( aURL.GetMainURL( INetURLObject::NO_DECODE ), Reference< XCommandEnvironment > () ); 1483 aDeleteContent.executeCommand( ::rtl::OUString::createFromAscii( "delete" ), makeAny( sal_Bool( sal_True ) ) ); 1484 } 1485 catch(Exception&) 1486 { 1487 // silently ignore this .... 1488 } 1489 } 1490 } 1491 return bDropped; 1492 } 1493 // ----------------------------------------------------------------------------- 1494 sal_Bool ODbaseTable::DropImpl() 1495 { 1496 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::DropImpl" ); 1497 FileClose(); 1498 1499 if(!m_pIndexes) 1500 refreshIndexes(); // look for indexes which must be deleted as well 1501 1502 sal_Bool bDropped = Drop_Static(getEntry(m_pConnection,m_Name),HasMemoFields(),m_pIndexes); 1503 if(!bDropped) 1504 {// we couldn't drop the table so we have to reopen it 1505 construct(); 1506 if(m_pColumns) 1507 m_pColumns->refresh(); 1508 } 1509 return bDropped; 1510 } 1511 1512 //------------------------------------------------------------------ 1513 sal_Bool ODbaseTable::InsertRow(OValueRefVector& rRow, sal_Bool bFlush,const Reference<XIndexAccess>& _xCols) 1514 { 1515 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::InsertRow" ); 1516 // Buffer mit Leerzeichen fuellen 1517 AllocBuffer(); 1518 memset(m_pBuffer, 0, m_aHeader.db_slng); 1519 m_pBuffer[0] = ' '; 1520 1521 // Gesamte neue Row uebernehmen: 1522 // ... und am Ende als neuen Record hinzufuegen: 1523 sal_uInt32 nTempPos = m_nFilePos, 1524 nFileSize = 0, 1525 nMemoFileSize = 0; 1526 1527 m_nFilePos = (sal_uIntPtr)m_aHeader.db_anz + 1; 1528 sal_Bool bInsertRow = UpdateBuffer( rRow, NULL, _xCols ); 1529 if ( bInsertRow ) 1530 { 1531 nFileSize = lcl_getFileSize(*m_pFileStream); 1532 1533 if (HasMemoFields() && m_pMemoStream) 1534 { 1535 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 1536 nMemoFileSize = m_pMemoStream->Tell(); 1537 } 1538 1539 if (!WriteBuffer()) 1540 { 1541 m_pFileStream->SetStreamSize(nFileSize); // alte Groesse restaurieren 1542 1543 if (HasMemoFields() && m_pMemoStream) 1544 m_pMemoStream->SetStreamSize(nMemoFileSize); // alte Groesse restaurieren 1545 m_nFilePos = nTempPos; // Fileposition restaurieren 1546 } 1547 else 1548 { 1549 (*m_pFileStream) << (char)DBF_EOL; // write EOL 1550 // Anzahl Datensaetze im Header erhoehen: 1551 m_pFileStream->Seek( 4L ); 1552 (*m_pFileStream) << (m_aHeader.db_anz + 1); 1553 1554 // beim AppendOnly kein Flush! 1555 if (bFlush) 1556 m_pFileStream->Flush(); 1557 1558 // bei Erfolg # erhoehen 1559 m_aHeader.db_anz++; 1560 *rRow.get()[0] = m_nFilePos; // BOOKmark setzen 1561 m_nFilePos = nTempPos; 1562 } 1563 } 1564 else 1565 m_nFilePos = nTempPos; 1566 1567 return bInsertRow; 1568 } 1569 1570 //------------------------------------------------------------------ 1571 sal_Bool ODbaseTable::UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow,const Reference<XIndexAccess>& _xCols) 1572 { 1573 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::UpdateRow" ); 1574 // Buffer mit Leerzeichen fuellen 1575 AllocBuffer(); 1576 1577 // Auf gewuenschten Record positionieren: 1578 long nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng; 1579 m_pFileStream->Seek(nPos); 1580 m_pFileStream->Read((char*)m_pBuffer, m_aHeader.db_slng); 1581 1582 sal_uInt32 nMemoFileSize( 0 ); 1583 if (HasMemoFields() && m_pMemoStream) 1584 { 1585 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 1586 nMemoFileSize = m_pMemoStream->Tell(); 1587 } 1588 if (!UpdateBuffer(rRow, pOrgRow,_xCols) || !WriteBuffer()) 1589 { 1590 if (HasMemoFields() && m_pMemoStream) 1591 m_pMemoStream->SetStreamSize(nMemoFileSize); // alte Groesse restaurieren 1592 } 1593 else 1594 { 1595 m_pFileStream->Flush(); 1596 } 1597 return sal_True; 1598 } 1599 1600 //------------------------------------------------------------------ 1601 sal_Bool ODbaseTable::DeleteRow(const OSQLColumns& _rCols) 1602 { 1603 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::DeleteRow" ); 1604 // Einfach das Loesch-Flag setzen (egal, ob es schon gesetzt war 1605 // oder nicht): 1606 // Auf gewuenschten Record positionieren: 1607 long nFilePos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng; 1608 m_pFileStream->Seek(nFilePos); 1609 1610 OValueRefRow aRow = new OValueRefVector(_rCols.get().size()); 1611 1612 if (!fetchRow(aRow,_rCols,sal_True,sal_True)) 1613 return sal_False; 1614 1615 Reference<XPropertySet> xCol; 1616 ::rtl::OUString aColName; 1617 ::comphelper::UStringMixEqual aCase(isCaseSensitive()); 1618 for (sal_uInt16 i = 0; i < m_pColumns->getCount(); i++) 1619 { 1620 Reference<XPropertySet> xIndex = isUniqueByColumnName(i); 1621 if (xIndex.is()) 1622 { 1623 ::cppu::extractInterface(xCol,m_pColumns->getByIndex(i)); 1624 OSL_ENSURE(xCol.is(),"ODbaseTable::DeleteRow column is null!"); 1625 if(xCol.is()) 1626 { 1627 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1628 1629 Reference<XUnoTunnel> xTunnel(xIndex,UNO_QUERY); 1630 OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!"); 1631 ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) ); 1632 OSL_ENSURE(pIndex,"ODbaseTable::DeleteRow: No Index returned!"); 1633 1634 OSQLColumns::Vector::const_iterator aIter = _rCols.get().begin(); 1635 sal_Int32 nPos = 1; 1636 for(;aIter != _rCols.get().end();++aIter,++nPos) 1637 { 1638 if(aCase(getString((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME))),aColName)) 1639 break; 1640 } 1641 if (aIter == _rCols.get().end()) 1642 continue; 1643 1644 pIndex->Delete(m_nFilePos,*(aRow->get())[nPos]); 1645 } 1646 } 1647 } 1648 1649 m_pFileStream->Seek(nFilePos); 1650 (*m_pFileStream) << (sal_uInt8)'*'; // mark the row in the table as deleted 1651 m_pFileStream->Flush(); 1652 return sal_True; 1653 } 1654 // ------------------------------------------------------------------------- 1655 Reference<XPropertySet> ODbaseTable::isUniqueByColumnName(sal_Int32 _nColumnPos) 1656 { 1657 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::isUniqueByColumnName" ); 1658 if(!m_pIndexes) 1659 refreshIndexes(); 1660 if(m_pIndexes->hasElements()) 1661 { 1662 Reference<XPropertySet> xCol; 1663 m_pColumns->getByIndex(_nColumnPos) >>= xCol; 1664 OSL_ENSURE(xCol.is(),"ODbaseTable::isUniqueByColumnName column is null!"); 1665 ::rtl::OUString sColName; 1666 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= sColName; 1667 1668 Reference<XPropertySet> xIndex; 1669 for(sal_Int32 i=0;i<m_pIndexes->getCount();++i) 1670 { 1671 ::cppu::extractInterface(xIndex,m_pIndexes->getByIndex(i)); 1672 if(xIndex.is() && getBOOL(xIndex->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISUNIQUE)))) 1673 { 1674 Reference<XNameAccess> xCols(Reference<XColumnsSupplier>(xIndex,UNO_QUERY)->getColumns()); 1675 if(xCols->hasByName(sColName)) 1676 return xIndex; 1677 1678 } 1679 } 1680 } 1681 return Reference<XPropertySet>(); 1682 } 1683 //------------------------------------------------------------------ 1684 double toDouble(const ByteString& rString) 1685 { 1686 return ::rtl::math::stringToDouble( rString, '.', ',', NULL, NULL ); 1687 } 1688 1689 //------------------------------------------------------------------ 1690 sal_Bool ODbaseTable::UpdateBuffer(OValueRefVector& rRow, OValueRefRow pOrgRow,const Reference<XIndexAccess>& _xCols) 1691 { 1692 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::UpdateBuffer" ); 1693 OSL_ENSURE(m_pBuffer,"Buffer is NULL!"); 1694 if ( !m_pBuffer ) 1695 return sal_False; 1696 sal_Int32 nByteOffset = 1; 1697 1698 // Felder aktualisieren: 1699 Reference<XPropertySet> xCol; 1700 Reference<XPropertySet> xIndex; 1701 sal_uInt16 i; 1702 ::rtl::OUString aColName; 1703 const sal_Int32 nColumnCount = m_pColumns->getCount(); 1704 ::std::vector< Reference<XPropertySet> > aIndexedCols(nColumnCount); 1705 1706 ::comphelper::UStringMixEqual aCase(isCaseSensitive()); 1707 1708 Reference<XIndexAccess> xColumns = m_pColumns; 1709 // first search a key that exist already in the table 1710 for (i = 0; i < nColumnCount; ++i) 1711 { 1712 sal_Int32 nPos = i; 1713 if(_xCols != xColumns) 1714 { 1715 m_pColumns->getByIndex(i) >>= xCol; 1716 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1717 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1718 1719 for(nPos = 0;nPos<_xCols->getCount();++nPos) 1720 { 1721 Reference<XPropertySet> xFindCol; 1722 ::cppu::extractInterface(xFindCol,_xCols->getByIndex(nPos)); 1723 OSL_ENSURE(xFindCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1724 if(aCase(getString(xFindCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))),aColName)) 1725 break; 1726 } 1727 if (nPos >= _xCols->getCount()) 1728 continue; 1729 } 1730 1731 ++nPos; 1732 xIndex = isUniqueByColumnName(i); 1733 aIndexedCols[i] = xIndex; 1734 if (xIndex.is()) 1735 { 1736 // first check if the value is different to the old one and when if it conform to the index 1737 if(pOrgRow.isValid() && (rRow.get()[nPos]->getValue().isNull() || rRow.get()[nPos] == (pOrgRow->get())[nPos])) 1738 continue; 1739 else 1740 { 1741 // ODbVariantRef xVar = (pVal == NULL) ? new ODbVariant() : pVal; 1742 Reference<XUnoTunnel> xTunnel(xIndex,UNO_QUERY); 1743 OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!"); 1744 ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) ); 1745 OSL_ENSURE(pIndex,"ODbaseTable::UpdateBuffer: No Index returned!"); 1746 1747 if (pIndex->Find(0,*rRow.get()[nPos])) 1748 { 1749 // es existiert kein eindeutiger Wert 1750 if ( !aColName.getLength() ) 1751 { 1752 m_pColumns->getByIndex(i) >>= xCol; 1753 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1754 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1755 xCol.clear(); 1756 } // if ( !aColName.getLength() ) 1757 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1758 STR_DUPLICATE_VALUE_IN_COLUMN 1759 ,"$columnname$", aColName 1760 ) ); 1761 ::dbtools::throwGenericSQLException( sError, *this ); 1762 } 1763 } 1764 } 1765 } 1766 1767 // when we are here there is no double key in the table 1768 1769 for (i = 0; i < nColumnCount && nByteOffset <= m_nBufferSize ; ++i) 1770 { 1771 // Laengen je nach Datentyp: 1772 OSL_ENSURE(i < m_aPrecisions.size(),"Illegal index!"); 1773 sal_Int32 nLen = 0; 1774 sal_Int32 nType = 0; 1775 sal_Int32 nScale = 0; 1776 if ( i < m_aPrecisions.size() ) 1777 { 1778 nLen = m_aPrecisions[i]; 1779 nType = m_aTypes[i]; 1780 nScale = m_aScales[i]; 1781 } 1782 else 1783 { 1784 m_pColumns->getByIndex(i) >>= xCol; 1785 if ( xCol.is() ) 1786 { 1787 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)) >>= nLen; 1788 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType; 1789 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE)) >>= nScale; 1790 } 1791 } 1792 1793 bool bSetZero = false; 1794 switch (nType) 1795 { 1796 case DataType::INTEGER: 1797 case DataType::DOUBLE: 1798 case DataType::TIMESTAMP: 1799 bSetZero = true; 1800 case DataType::LONGVARBINARY: 1801 case DataType::DATE: 1802 case DataType::BIT: 1803 case DataType::LONGVARCHAR: 1804 nLen = m_aRealFieldLengths[i]; 1805 break; 1806 case DataType::DECIMAL: 1807 nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,nScale); 1808 break; // das Vorzeichen und das Komma 1809 default: 1810 break; 1811 1812 } // switch (nType) 1813 1814 sal_Int32 nPos = i; 1815 if(_xCols != xColumns) 1816 { 1817 m_pColumns->getByIndex(i) >>= xCol; 1818 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1819 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1820 for(nPos = 0;nPos<_xCols->getCount();++nPos) 1821 { 1822 Reference<XPropertySet> xFindCol; 1823 ::cppu::extractInterface(xFindCol,_xCols->getByIndex(nPos)); 1824 if(aCase(getString(xFindCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))),aColName)) 1825 break; 1826 } 1827 if (nPos >= _xCols->getCount()) 1828 { 1829 nByteOffset += nLen; 1830 continue; 1831 } 1832 } 1833 1834 1835 1836 ++nPos; // the row values start at 1 1837 // Ist die Variable ueberhaupt gebunden? 1838 if ( !rRow.get()[nPos]->isBound() ) 1839 { 1840 // Nein - naechstes Feld. 1841 nByteOffset += nLen; 1842 continue; 1843 } 1844 if (aIndexedCols[i].is()) 1845 { 1846 Reference<XUnoTunnel> xTunnel(aIndexedCols[i],UNO_QUERY); 1847 OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!"); 1848 ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) ); 1849 OSL_ENSURE(pIndex,"ODbaseTable::UpdateBuffer: No Index returned!"); 1850 // Update !! 1851 if (pOrgRow.isValid() && !rRow.get()[nPos]->getValue().isNull() )//&& pVal->isModified()) 1852 pIndex->Update(m_nFilePos,*(pOrgRow->get())[nPos],*rRow.get()[nPos]); 1853 else 1854 pIndex->Insert(m_nFilePos,*rRow.get()[nPos]); 1855 } 1856 1857 char* pData = (char *)(m_pBuffer + nByteOffset); 1858 if (rRow.get()[nPos]->getValue().isNull()) 1859 { 1860 if ( bSetZero ) 1861 memset(pData,0,nLen); // Zuruecksetzen auf NULL 1862 else 1863 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 1864 nByteOffset += nLen; 1865 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 1866 continue; 1867 } 1868 1869 sal_Bool bHadError = sal_False; 1870 try 1871 { 1872 switch (nType) 1873 { 1874 case DataType::TIMESTAMP: 1875 { 1876 sal_Int32 nJulianDate = 0, nJulianTime = 0; 1877 lcl_CalcJulDate(nJulianDate,nJulianTime,rRow.get()[nPos]->getValue()); 1878 // Genau 8 Byte kopieren: 1879 memcpy(pData,&nJulianDate,4); 1880 memcpy(pData+4,&nJulianTime,4); 1881 } 1882 break; 1883 case DataType::DATE: 1884 { 1885 ::com::sun::star::util::Date aDate; 1886 if(rRow.get()[nPos]->getValue().getTypeKind() == DataType::DOUBLE) 1887 aDate = ::dbtools::DBTypeConversion::toDate(rRow.get()[nPos]->getValue().getDouble()); 1888 else 1889 aDate = rRow.get()[nPos]->getValue(); 1890 char s[9]; 1891 snprintf(s, 1892 sizeof(s), 1893 "%04d%02d%02d", 1894 (int)aDate.Year, 1895 (int)aDate.Month, 1896 (int)aDate.Day); 1897 1898 // Genau 8 Byte kopieren: 1899 strncpy(pData,s,sizeof s - 1); 1900 } break; 1901 case DataType::INTEGER: 1902 { 1903 sal_Int32 nValue = rRow.get()[nPos]->getValue(); 1904 memcpy(pData,&nValue,nLen); 1905 } 1906 break; 1907 case DataType::DOUBLE: 1908 { 1909 const double d = rRow.get()[nPos]->getValue(); 1910 m_pColumns->getByIndex(i) >>= xCol; 1911 1912 if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1913 { 1914 sal_Int64 nValue = 0; 1915 if ( m_aScales[i] ) 1916 nValue = (sal_Int64)(d * pow(10.0,(int)m_aScales[i])); 1917 else 1918 nValue = (sal_Int64)(d); 1919 memcpy(pData,&nValue,nLen); 1920 } // if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1921 else 1922 memcpy(pData,&d,nLen); 1923 } 1924 break; 1925 case DataType::DECIMAL: 1926 { 1927 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 1928 1929 const double n = rRow.get()[nPos]->getValue(); 1930 1931 // ein const_cast, da GetFormatPrecision am SvNumberFormat nicht const ist, obwohl es das eigentlich 1932 // sein koennte und muesste 1933 1934 const ByteString aDefaultValue( ::rtl::math::doubleToString( n, rtl_math_StringFormat_F, nScale, '.', NULL, 0)); 1935 sal_Bool bValidLength = aDefaultValue.Len() <= nLen; 1936 if ( bValidLength ) 1937 { 1938 strncpy(pData,aDefaultValue.GetBuffer(),nLen); 1939 // write the resulting double back 1940 *rRow.get()[nPos] = toDouble(aDefaultValue); 1941 } 1942 else 1943 { 1944 m_pColumns->getByIndex(i) >>= xCol; 1945 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1946 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1947 ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > > aStringToSubstitutes; 1948 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$columnname$", aColName)); 1949 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$precision$", String::CreateFromInt32(nLen))); 1950 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$scale$", String::CreateFromInt32(nScale))); 1951 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$value$", ::rtl::OStringToOUString(aDefaultValue,RTL_TEXTENCODING_UTF8))); 1952 1953 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1954 STR_INVALID_COLUMN_DECIMAL_VALUE 1955 ,aStringToSubstitutes 1956 ) ); 1957 ::dbtools::throwGenericSQLException( sError, *this ); 1958 } 1959 } break; 1960 case DataType::BIT: 1961 *pData = rRow.get()[nPos]->getValue().getBool() ? 'T' : 'F'; 1962 break; 1963 case DataType::LONGVARBINARY: 1964 case DataType::LONGVARCHAR: 1965 { 1966 char cNext = pData[nLen]; // merken und temporaer durch 0 ersetzen 1967 pData[nLen] = '\0'; // das geht, da der Puffer immer ein Zeichen groesser ist ... 1968 1969 sal_uIntPtr nBlockNo = strtol((const char *)pData,NULL,10); // Blocknummer lesen 1970 1971 // Naechstes Anfangszeichen wieder restaurieren: 1972 pData[nLen] = cNext; 1973 if (!m_pMemoStream || !WriteMemo(rRow.get()[nPos]->get(), nBlockNo)) 1974 break; 1975 1976 ByteString aStr; 1977 ByteString aBlock(ByteString::CreateFromInt32(nBlockNo)); 1978 aStr.Expand(static_cast<sal_uInt16>(nLen - aBlock.Len()), '0' ); 1979 aStr += aBlock; 1980 // Zeichen kopieren: 1981 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 1982 memcpy(pData, aStr.GetBuffer(), nLen); 1983 } break; 1984 default: 1985 { 1986 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 1987 1988 ::rtl::OUString sStringToWrite( rRow.get()[nPos]->getValue().getString() ); 1989 1990 // convert the string, using the connection's encoding 1991 ::rtl::OString sEncoded; 1992 1993 DBTypeConversion::convertUnicodeStringToLength( sStringToWrite, sEncoded, nLen, m_eEncoding ); 1994 memcpy( pData, sEncoded.getStr(), sEncoded.getLength() ); 1995 1996 } 1997 break; 1998 } 1999 } 2000 catch( SQLException& ) 2001 { 2002 throw; 2003 } 2004 catch ( Exception& ) { bHadError = sal_True; } 2005 2006 if ( bHadError ) 2007 { 2008 m_pColumns->getByIndex(i) >>= xCol; 2009 OSL_ENSURE( xCol.is(), "ODbaseTable::UpdateBuffer column is null!" ); 2010 if ( xCol.is() ) 2011 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 2012 2013 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2014 STR_INVALID_COLUMN_VALUE, 2015 "$columnname$", aColName 2016 ) ); 2017 ::dbtools::throwGenericSQLException( sError, *this ); 2018 } 2019 // Und weiter ... 2020 nByteOffset += nLen; 2021 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 2022 } 2023 return sal_True; 2024 } 2025 2026 // ----------------------------------------------------------------------------- 2027 sal_Bool ODbaseTable::WriteMemo(ORowSetValue& aVariable, sal_uIntPtr& rBlockNr) 2028 { 2029 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::WriteMemo" ); 2030 // wird die BlockNr 0 vorgegeben, wird der block ans Ende gehaengt 2031 sal_uIntPtr nSize = 0; 2032 ::rtl::OString aStr; 2033 ::com::sun::star::uno::Sequence<sal_Int8> aValue; 2034 sal_uInt8 nHeader[4]; 2035 const bool bBinary = aVariable.getTypeKind() == DataType::LONGVARBINARY && m_aMemoHeader.db_typ == MemoFoxPro; 2036 if ( bBinary ) 2037 { 2038 aValue = aVariable.getSequence(); 2039 nSize = aValue.getLength(); 2040 } 2041 else 2042 { 2043 nSize = DBTypeConversion::convertUnicodeString( aVariable.getString(), aStr, m_eEncoding ); 2044 } 2045 2046 // Anhaengen oder ueberschreiben 2047 sal_Bool bAppend = rBlockNr == 0; 2048 2049 if (!bAppend) 2050 { 2051 switch (m_aMemoHeader.db_typ) 2052 { 2053 case MemodBaseIII: // dBase III-Memofeld, endet mit 2 * Ctrl-Z 2054 bAppend = nSize > (512 - 2); 2055 break; 2056 case MemoFoxPro: 2057 case MemodBaseIV: // dBase IV-Memofeld mit Laengenangabe 2058 { 2059 char sHeader[4]; 2060 m_pMemoStream->Seek(rBlockNr * m_aMemoHeader.db_size); 2061 m_pMemoStream->SeekRel(4L); 2062 m_pMemoStream->Read(sHeader,4); 2063 2064 sal_uIntPtr nOldSize; 2065 if (m_aMemoHeader.db_typ == MemoFoxPro) 2066 nOldSize = ((((unsigned char)sHeader[0]) * 256 + 2067 (unsigned char)sHeader[1]) * 256 + 2068 (unsigned char)sHeader[2]) * 256 + 2069 (unsigned char)sHeader[3]; 2070 else 2071 nOldSize = ((((unsigned char)sHeader[3]) * 256 + 2072 (unsigned char)sHeader[2]) * 256 + 2073 (unsigned char)sHeader[1]) * 256 + 2074 (unsigned char)sHeader[0] - 8; 2075 2076 // passt die neue Laenge in die belegten Bloecke 2077 sal_uIntPtr nUsedBlocks = ((nSize + 8) / m_aMemoHeader.db_size) + (((nSize + 8) % m_aMemoHeader.db_size > 0) ? 1 : 0), 2078 nOldUsedBlocks = ((nOldSize + 8) / m_aMemoHeader.db_size) + (((nOldSize + 8) % m_aMemoHeader.db_size > 0) ? 1 : 0); 2079 bAppend = nUsedBlocks > nOldUsedBlocks; 2080 } 2081 } 2082 } 2083 2084 if (bAppend) 2085 { 2086 sal_uIntPtr nStreamSize = m_pMemoStream->Seek(STREAM_SEEK_TO_END); 2087 // letzten block auffuellen 2088 rBlockNr = (nStreamSize / m_aMemoHeader.db_size) + ((nStreamSize % m_aMemoHeader.db_size) > 0 ? 1 : 0); 2089 2090 m_pMemoStream->SetStreamSize(rBlockNr * m_aMemoHeader.db_size); 2091 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 2092 } 2093 else 2094 { 2095 m_pMemoStream->Seek(rBlockNr * m_aMemoHeader.db_size); 2096 } 2097 2098 switch (m_aMemoHeader.db_typ) 2099 { 2100 case MemodBaseIII: // dBase III-Memofeld, endet mit Ctrl-Z 2101 { 2102 const char cEOF = (char) DBF_EOL; 2103 nSize++; 2104 m_pMemoStream->Write( aStr.getStr(), aStr.getLength() ); 2105 (*m_pMemoStream) << cEOF << cEOF; 2106 } break; 2107 case MemoFoxPro: 2108 case MemodBaseIV: // dBase IV-Memofeld mit Laengenangabe 2109 { 2110 if ( MemodBaseIV == m_aMemoHeader.db_typ ) 2111 (*m_pMemoStream) << (sal_uInt8)0xFF 2112 << (sal_uInt8)0xFF 2113 << (sal_uInt8)0x08; 2114 else 2115 (*m_pMemoStream) << (sal_uInt8)0x00 2116 << (sal_uInt8)0x00 2117 << (sal_uInt8)0x00; 2118 2119 sal_uInt32 nWriteSize = nSize; 2120 if (m_aMemoHeader.db_typ == MemoFoxPro) 2121 { 2122 if ( bBinary ) 2123 (*m_pMemoStream) << (sal_uInt8) 0x00; // Picture 2124 else 2125 (*m_pMemoStream) << (sal_uInt8) 0x01; // Memo 2126 for (int i = 4; i > 0; nWriteSize >>= 8) 2127 nHeader[--i] = (sal_uInt8) (nWriteSize % 256); 2128 } 2129 else 2130 { 2131 (*m_pMemoStream) << (sal_uInt8) 0x00; 2132 nWriteSize += 8; 2133 for (int i = 0; i < 4; nWriteSize >>= 8) 2134 nHeader[i++] = (sal_uInt8) (nWriteSize % 256); 2135 } 2136 2137 m_pMemoStream->Write(nHeader,4); 2138 if ( bBinary ) 2139 m_pMemoStream->Write( aValue.getConstArray(), aValue.getLength() ); 2140 else 2141 m_pMemoStream->Write( aStr.getStr(), aStr.getLength() ); 2142 m_pMemoStream->Flush(); 2143 } 2144 } 2145 2146 2147 // Schreiben der neuen Blocknummer 2148 if (bAppend) 2149 { 2150 sal_uIntPtr nStreamSize = m_pMemoStream->Seek(STREAM_SEEK_TO_END); 2151 m_aMemoHeader.db_next = (nStreamSize / m_aMemoHeader.db_size) + ((nStreamSize % m_aMemoHeader.db_size) > 0 ? 1 : 0); 2152 2153 // Schreiben der neuen Blocknummer 2154 m_pMemoStream->Seek(0L); 2155 (*m_pMemoStream) << m_aMemoHeader.db_next; 2156 m_pMemoStream->Flush(); 2157 } 2158 return sal_True; 2159 } 2160 2161 // ----------------------------------------------------------------------------- 2162 // XAlterTable 2163 void SAL_CALL ODbaseTable::alterColumnByName( const ::rtl::OUString& colName, const Reference< XPropertySet >& descriptor ) throw(SQLException, NoSuchElementException, RuntimeException) 2164 { 2165 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::alterColumnByName" ); 2166 ::osl::MutexGuard aGuard(m_aMutex); 2167 checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed); 2168 2169 2170 Reference<XDataDescriptorFactory> xOldColumn; 2171 m_pColumns->getByName(colName) >>= xOldColumn; 2172 2173 alterColumn(m_pColumns->findColumn(colName)-1,descriptor,xOldColumn); 2174 } 2175 // ------------------------------------------------------------------------- 2176 void SAL_CALL ODbaseTable::alterColumnByIndex( sal_Int32 index, const Reference< XPropertySet >& descriptor ) throw(SQLException, ::com::sun::star::lang::IndexOutOfBoundsException, RuntimeException) 2177 { 2178 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::alterColumnByIndex" ); 2179 ::osl::MutexGuard aGuard(m_aMutex); 2180 checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed); 2181 2182 if(index < 0 || index >= m_pColumns->getCount()) 2183 throw IndexOutOfBoundsException(::rtl::OUString::valueOf(index),*this); 2184 2185 Reference<XDataDescriptorFactory> xOldColumn; 2186 m_pColumns->getByIndex(index) >>= xOldColumn; 2187 alterColumn(index,descriptor,xOldColumn); 2188 } 2189 // ----------------------------------------------------------------------------- 2190 void ODbaseTable::alterColumn(sal_Int32 index, 2191 const Reference< XPropertySet >& descriptor , 2192 const Reference< XDataDescriptorFactory >& xOldColumn ) 2193 { 2194 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::alterColumn" ); 2195 if(index < 0 || index >= m_pColumns->getCount()) 2196 throw IndexOutOfBoundsException(::rtl::OUString::valueOf(index),*this); 2197 2198 ODbaseTable* pNewTable = NULL; 2199 try 2200 { 2201 OSL_ENSURE(descriptor.is(),"ODbaseTable::alterColumn: descriptor can not be null!"); 2202 // creates a copy of the the original column and copy all properties from descriptor in xCopyColumn 2203 Reference<XPropertySet> xCopyColumn; 2204 if(xOldColumn.is()) 2205 xCopyColumn = xOldColumn->createDataDescriptor(); 2206 else 2207 xCopyColumn = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()); 2208 2209 ::comphelper::copyProperties(descriptor,xCopyColumn); 2210 2211 // creates a temp file 2212 2213 String sTempName = createTempFile(); 2214 2215 pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection)); 2216 Reference<XPropertySet> xHoldTable = pNewTable; 2217 pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(::rtl::OUString(sTempName))); 2218 Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY); 2219 OSL_ENSURE(xAppend.is(),"ODbaseTable::alterColumn: No XAppend interface!"); 2220 2221 // copy the structure 2222 sal_Int32 i=0; 2223 for(;i < index;++i) 2224 { 2225 Reference<XPropertySet> xProp; 2226 m_pColumns->getByIndex(i) >>= xProp; 2227 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2228 Reference<XPropertySet> xCpy; 2229 if(xColumn.is()) 2230 xCpy = xColumn->createDataDescriptor(); 2231 else 2232 xCpy = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()); 2233 ::comphelper::copyProperties(xProp,xCpy); 2234 xAppend->appendByDescriptor(xCpy); 2235 } 2236 ++i; // now insert our new column 2237 xAppend->appendByDescriptor(xCopyColumn); 2238 2239 for(;i < m_pColumns->getCount();++i) 2240 { 2241 Reference<XPropertySet> xProp; 2242 m_pColumns->getByIndex(i) >>= xProp; 2243 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2244 Reference<XPropertySet> xCpy; 2245 if(xColumn.is()) 2246 xCpy = xColumn->createDataDescriptor(); 2247 else 2248 xCpy = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()); 2249 ::comphelper::copyProperties(xProp,xCpy); 2250 xAppend->appendByDescriptor(xCpy); 2251 } 2252 2253 // construct the new table 2254 if(!pNewTable->CreateImpl()) 2255 { 2256 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2257 STR_COLUMN_NOT_ALTERABLE, 2258 "$columnname$", ::comphelper::getString(descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))) 2259 ) ); 2260 ::dbtools::throwGenericSQLException( sError, *this ); 2261 } 2262 2263 pNewTable->construct(); 2264 2265 // copy the data 2266 copyData(pNewTable,0); 2267 2268 // now drop the old one 2269 if( DropImpl() ) // we don't want to delete the memo columns too 2270 { 2271 // rename the new one to the old one 2272 pNewTable->renameImpl(m_Name); 2273 // release the temp file 2274 pNewTable = NULL; 2275 ::comphelper::disposeComponent(xHoldTable); 2276 } 2277 else 2278 { 2279 pNewTable = NULL; 2280 } 2281 FileClose(); 2282 construct(); 2283 if(m_pColumns) 2284 m_pColumns->refresh(); 2285 2286 } 2287 catch(const SQLException&) 2288 { 2289 throw; 2290 } 2291 catch(const Exception&) 2292 { 2293 OSL_ENSURE(0,"ODbaseTable::alterColumn: Exception occured!"); 2294 throw; 2295 } 2296 } 2297 // ----------------------------------------------------------------------------- 2298 Reference< XDatabaseMetaData> ODbaseTable::getMetaData() const 2299 { 2300 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getMetaData" ); 2301 return getConnection()->getMetaData(); 2302 } 2303 // ------------------------------------------------------------------------- 2304 void SAL_CALL ODbaseTable::rename( const ::rtl::OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException) 2305 { 2306 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::rename" ); 2307 ::osl::MutexGuard aGuard(m_aMutex); 2308 checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed); 2309 if(m_pTables && m_pTables->hasByName(newName)) 2310 throw ElementExistException(newName,*this); 2311 2312 2313 renameImpl(newName); 2314 2315 ODbaseTable_BASE::rename(newName); 2316 2317 construct(); 2318 if(m_pColumns) 2319 m_pColumns->refresh(); 2320 } 2321 namespace 2322 { 2323 void renameFile(OConnection* _pConenction,const ::rtl::OUString& oldName, 2324 const ::rtl::OUString& newName,const String& _sExtension) 2325 { 2326 String aName = ODbaseTable::getEntry(_pConenction,oldName); 2327 if(!aName.Len()) 2328 { 2329 ::rtl::OUString aIdent = _pConenction->getContent()->getIdentifier()->getContentIdentifier(); 2330 if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) ) 2331 aIdent += ::rtl::OUString::createFromAscii("/"); 2332 aIdent += oldName; 2333 aName = aIdent; 2334 } 2335 INetURLObject aURL; 2336 aURL.SetURL(aName); 2337 2338 aURL.setExtension( _sExtension ); 2339 String sNewName(newName); 2340 sNewName.AppendAscii("."); 2341 sNewName += _sExtension; 2342 2343 try 2344 { 2345 Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 2346 2347 Sequence< PropertyValue > aProps( 1 ); 2348 aProps[0].Name = ::rtl::OUString::createFromAscii("Title"); 2349 aProps[0].Handle = -1; // n/a 2350 aProps[0].Value = makeAny( ::rtl::OUString(sNewName) ); 2351 Sequence< Any > aValues; 2352 aContent.executeCommand( rtl::OUString::createFromAscii( "setPropertyValues" ),makeAny(aProps) ) >>= aValues; 2353 if(aValues.getLength() && aValues[0].hasValue()) 2354 throw Exception(); 2355 } 2356 catch(Exception&) 2357 { 2358 throw ElementExistException(newName,NULL); 2359 } 2360 } 2361 } 2362 // ------------------------------------------------------------------------- 2363 void SAL_CALL ODbaseTable::renameImpl( const ::rtl::OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException) 2364 { 2365 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getEntry" ); 2366 ::osl::MutexGuard aGuard(m_aMutex); 2367 2368 FileClose(); 2369 2370 2371 renameFile(m_pConnection,m_Name,newName,m_pConnection->getExtension()); 2372 if ( HasMemoFields() ) 2373 { // delete the memo fields 2374 String sExt = String::CreateFromAscii("dbt"); 2375 renameFile(m_pConnection,m_Name,newName,sExt); 2376 } 2377 } 2378 // ----------------------------------------------------------------------------- 2379 void ODbaseTable::addColumn(const Reference< XPropertySet >& _xNewColumn) 2380 { 2381 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::addColumn" ); 2382 String sTempName = createTempFile(); 2383 2384 ODbaseTable* pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection)); 2385 Reference< XPropertySet > xHold = pNewTable; 2386 pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(::rtl::OUString(sTempName))); 2387 { 2388 Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY); 2389 sal_Bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers(); 2390 // copy the structure 2391 for(sal_Int32 i=0;i < m_pColumns->getCount();++i) 2392 { 2393 Reference<XPropertySet> xProp; 2394 m_pColumns->getByIndex(i) >>= xProp; 2395 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2396 Reference<XPropertySet> xCpy; 2397 if(xColumn.is()) 2398 xCpy = xColumn->createDataDescriptor(); 2399 else 2400 { 2401 xCpy = new OColumn(bCase); 2402 ::comphelper::copyProperties(xProp,xCpy); 2403 } 2404 2405 xAppend->appendByDescriptor(xCpy); 2406 } 2407 Reference<XPropertySet> xCpy = new OColumn(bCase); 2408 ::comphelper::copyProperties(_xNewColumn,xCpy); 2409 xAppend->appendByDescriptor(xCpy); 2410 } 2411 2412 // construct the new table 2413 if(!pNewTable->CreateImpl()) 2414 { 2415 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2416 STR_COLUMN_NOT_ADDABLE, 2417 "$columnname$", ::comphelper::getString(_xNewColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))) 2418 ) ); 2419 ::dbtools::throwGenericSQLException( sError, *this ); 2420 } 2421 2422 sal_Bool bAlreadyDroped = sal_False; 2423 try 2424 { 2425 pNewTable->construct(); 2426 // copy the data 2427 copyData(pNewTable,pNewTable->m_pColumns->getCount()); 2428 // drop the old table 2429 if(DropImpl()) 2430 { 2431 bAlreadyDroped = sal_True; 2432 pNewTable->renameImpl(m_Name); 2433 // release the temp file 2434 } 2435 xHold = pNewTable = NULL; 2436 2437 FileClose(); 2438 construct(); 2439 if(m_pColumns) 2440 m_pColumns->refresh(); 2441 } 2442 catch(const SQLException&) 2443 { 2444 // here we know that the old table wasn't droped before 2445 if(!bAlreadyDroped) 2446 xHold = pNewTable = NULL; 2447 2448 throw; 2449 } 2450 } 2451 // ----------------------------------------------------------------------------- 2452 void ODbaseTable::dropColumn(sal_Int32 _nPos) 2453 { 2454 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::dropColumn" ); 2455 String sTempName = createTempFile(); 2456 2457 ODbaseTable* pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection)); 2458 Reference< XPropertySet > xHold = pNewTable; 2459 pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(::rtl::OUString(sTempName))); 2460 { 2461 Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY); 2462 sal_Bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers(); 2463 // copy the structure 2464 for(sal_Int32 i=0;i < m_pColumns->getCount();++i) 2465 { 2466 if(_nPos != i) 2467 { 2468 Reference<XPropertySet> xProp; 2469 m_pColumns->getByIndex(i) >>= xProp; 2470 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2471 Reference<XPropertySet> xCpy; 2472 if(xColumn.is()) 2473 xCpy = xColumn->createDataDescriptor(); 2474 else 2475 { 2476 xCpy = new OColumn(bCase); 2477 ::comphelper::copyProperties(xProp,xCpy); 2478 } 2479 xAppend->appendByDescriptor(xCpy); 2480 } 2481 } 2482 } 2483 2484 // construct the new table 2485 if(!pNewTable->CreateImpl()) 2486 { 2487 xHold = pNewTable = NULL; 2488 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2489 STR_COLUMN_NOT_DROP, 2490 "$position$", ::rtl::OUString::valueOf(_nPos) 2491 ) ); 2492 ::dbtools::throwGenericSQLException( sError, *this ); 2493 } 2494 pNewTable->construct(); 2495 // copy the data 2496 copyData(pNewTable,_nPos); 2497 // drop the old table 2498 if(DropImpl()) 2499 pNewTable->renameImpl(m_Name); 2500 // release the temp file 2501 2502 xHold = pNewTable = NULL; 2503 2504 FileClose(); 2505 construct(); 2506 } 2507 // ----------------------------------------------------------------------------- 2508 String ODbaseTable::createTempFile() 2509 { 2510 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::createTempFile" ); 2511 ::rtl::OUString aIdent = m_pConnection->getContent()->getIdentifier()->getContentIdentifier(); 2512 if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) ) 2513 aIdent += ::rtl::OUString::createFromAscii("/"); 2514 String sTempName(aIdent); 2515 String sExt; 2516 sExt.AssignAscii("."); 2517 sExt += m_pConnection->getExtension(); 2518 2519 String sName(m_Name); 2520 TempFile aTempFile(sName,&sExt,&sTempName); 2521 if(!aTempFile.IsValid()) 2522 getConnection()->throwGenericSQLException(STR_COULD_NOT_ALTER_TABLE,*this); 2523 2524 INetURLObject aURL; 2525 aURL.SetSmartProtocol(INET_PROT_FILE); 2526 aURL.SetURL(aTempFile.GetURL()); 2527 2528 String sNewName(aURL.getName()); 2529 sNewName.Erase(sNewName.Len() - sExt.Len()); 2530 return sNewName; 2531 } 2532 // ----------------------------------------------------------------------------- 2533 void ODbaseTable::copyData(ODbaseTable* _pNewTable,sal_Int32 _nPos) 2534 { 2535 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::copyData" ); 2536 sal_Int32 nPos = _nPos + 1; // +1 because we always have the bookmark clumn as well 2537 OValueRefRow aRow = new OValueRefVector(m_pColumns->getCount()); 2538 OValueRefRow aInsertRow; 2539 if(_nPos) 2540 { 2541 aInsertRow = new OValueRefVector(_pNewTable->m_pColumns->getCount()); 2542 ::std::for_each(aInsertRow->get().begin(),aInsertRow->get().end(),TSetRefBound(sal_True)); 2543 } 2544 else 2545 aInsertRow = aRow; 2546 2547 // we only have to bind the values which we need to copy into the new table 2548 ::std::for_each(aRow->get().begin(),aRow->get().end(),TSetRefBound(sal_True)); 2549 if(_nPos && (_nPos < (sal_Int32)aRow->get().size())) 2550 (aRow->get())[nPos]->setBound(sal_False); 2551 2552 2553 sal_Bool bOk = sal_True; 2554 sal_Int32 nCurPos; 2555 OValueRefVector::Vector::iterator aIter; 2556 for(sal_uInt32 nRowPos = 0; nRowPos < m_aHeader.db_anz;++nRowPos) 2557 { 2558 bOk = seekRow( IResultSetHelper::BOOKMARK, nRowPos+1, nCurPos ); 2559 if ( bOk ) 2560 { 2561 bOk = fetchRow( aRow, m_aColumns.getBody(), sal_True, sal_True); 2562 if ( bOk && !aRow->isDeleted() ) // copy only not deleted rows 2563 { 2564 // special handling when pos == 0 then we don't have to distinguish between the two rows 2565 if(_nPos) 2566 { 2567 aIter = aRow->get().begin()+1; 2568 sal_Int32 nCount = 1; 2569 for(OValueRefVector::Vector::iterator aInsertIter = aInsertRow->get().begin()+1; aIter != aRow->get().end() && aInsertIter != aInsertRow->get().end();++aIter,++nCount) 2570 { 2571 if(nPos != nCount) 2572 { 2573 (*aInsertIter)->setValue( (*aIter)->getValue() ); 2574 ++aInsertIter; 2575 } 2576 } 2577 } 2578 bOk = _pNewTable->InsertRow(*aInsertRow,sal_True,_pNewTable->m_pColumns); 2579 OSL_ENSURE(bOk,"Row could not be inserted!"); 2580 } 2581 else 2582 OSL_ENSURE(bOk,"Row could not be fetched!"); 2583 } 2584 else 2585 { 2586 OSL_ASSERT(0); 2587 } 2588 } // for(sal_uInt32 nRowPos = 0; nRowPos < m_aHeader.db_anz;++nRowPos) 2589 } 2590 // ----------------------------------------------------------------------------- 2591 void ODbaseTable::throwInvalidDbaseFormat() 2592 { 2593 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::throwInvalidDbaseFormat" ); 2594 FileClose(); 2595 // no dbase file 2596 2597 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2598 STR_INVALID_DBASE_FILE, 2599 "$filename$", getEntry(m_pConnection,m_Name) 2600 ) ); 2601 ::dbtools::throwGenericSQLException( sError, *this ); 2602 } 2603 // ----------------------------------------------------------------------------- 2604 void ODbaseTable::refreshHeader() 2605 { 2606 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::refreshHeader" ); 2607 if ( m_aHeader.db_anz == 0 ) 2608 readHeader(); 2609 } 2610 //------------------------------------------------------------------ 2611 sal_Bool ODbaseTable::seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos) 2612 { 2613 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::seekRow" ); 2614 // ---------------------------------------------------------- 2615 // Positionierung vorbereiten: 2616 OSL_ENSURE(m_pFileStream,"ODbaseTable::seekRow: FileStream is NULL!"); 2617 2618 sal_uInt32 nNumberOfRecords = (sal_uInt32)m_aHeader.db_anz; 2619 sal_uInt32 nTempPos = m_nFilePos; 2620 m_nFilePos = nCurPos; 2621 2622 switch(eCursorPosition) 2623 { 2624 case IResultSetHelper::NEXT: 2625 ++m_nFilePos; 2626 break; 2627 case IResultSetHelper::PRIOR: 2628 if (m_nFilePos > 0) 2629 --m_nFilePos; 2630 break; 2631 case IResultSetHelper::FIRST: 2632 m_nFilePos = 1; 2633 break; 2634 case IResultSetHelper::LAST: 2635 m_nFilePos = nNumberOfRecords; 2636 break; 2637 case IResultSetHelper::RELATIVE: 2638 m_nFilePos = (((sal_Int32)m_nFilePos) + nOffset < 0) ? 0L 2639 : (sal_uInt32)(((sal_Int32)m_nFilePos) + nOffset); 2640 break; 2641 case IResultSetHelper::ABSOLUTE: 2642 case IResultSetHelper::BOOKMARK: 2643 m_nFilePos = (sal_uInt32)nOffset; 2644 break; 2645 } 2646 2647 if (m_nFilePos > (sal_Int32)nNumberOfRecords) 2648 m_nFilePos = (sal_Int32)nNumberOfRecords + 1; 2649 2650 if (m_nFilePos == 0 || m_nFilePos == (sal_Int32)nNumberOfRecords + 1) 2651 goto Error; 2652 else 2653 { 2654 sal_uInt16 nEntryLen = m_aHeader.db_slng; 2655 2656 OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position"); 2657 sal_Int32 nPos = m_aHeader.db_kopf + (sal_Int32)(m_nFilePos-1) * nEntryLen; 2658 2659 sal_uIntPtr nLen = m_pFileStream->Seek(nPos); 2660 if (m_pFileStream->GetError() != ERRCODE_NONE) 2661 goto Error; 2662 2663 nLen = m_pFileStream->Read((char*)m_pBuffer, nEntryLen); 2664 if (m_pFileStream->GetError() != ERRCODE_NONE) 2665 goto Error; 2666 } 2667 goto End; 2668 2669 Error: 2670 switch(eCursorPosition) 2671 { 2672 case IResultSetHelper::PRIOR: 2673 case IResultSetHelper::FIRST: 2674 m_nFilePos = 0; 2675 break; 2676 case IResultSetHelper::LAST: 2677 case IResultSetHelper::NEXT: 2678 case IResultSetHelper::ABSOLUTE: 2679 case IResultSetHelper::RELATIVE: 2680 if (nOffset > 0) 2681 m_nFilePos = nNumberOfRecords + 1; 2682 else if (nOffset < 0) 2683 m_nFilePos = 0; 2684 break; 2685 case IResultSetHelper::BOOKMARK: 2686 m_nFilePos = nTempPos; // vorherige Position 2687 } 2688 // aStatus.Set(SDB_STAT_NO_DATA_FOUND); 2689 return sal_False; 2690 2691 End: 2692 nCurPos = m_nFilePos; 2693 return sal_True; 2694 } 2695 // ----------------------------------------------------------------------------- 2696 sal_Bool ODbaseTable::ReadMemo(sal_uIntPtr nBlockNo, ORowSetValue& aVariable) 2697 { 2698 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::ReadMemo" ); 2699 sal_Bool bIsText = sal_True; 2700 // SdbConnection* pConnection = GetConnection(); 2701 2702 m_pMemoStream->Seek(nBlockNo * m_aMemoHeader.db_size); 2703 switch (m_aMemoHeader.db_typ) 2704 { 2705 case MemodBaseIII: // dBase III-Memofeld, endet mit Ctrl-Z 2706 { 2707 const char cEOF = (char) DBF_EOL; 2708 ByteString aBStr; 2709 static char aBuf[514]; 2710 aBuf[512] = 0; // sonst kann der Zufall uebel mitspielen 2711 sal_Bool bReady = sal_False; 2712 2713 do 2714 { 2715 m_pMemoStream->Read(&aBuf,512); 2716 2717 sal_uInt16 i = 0; 2718 while (aBuf[i] != cEOF && ++i < 512) 2719 ; 2720 bReady = aBuf[i] == cEOF; 2721 2722 aBuf[i] = 0; 2723 aBStr += aBuf; 2724 2725 } while (!bReady && !m_pMemoStream->IsEof() && aBStr.Len() < STRING_MAXLEN); 2726 2727 ::rtl::OUString aStr(aBStr.GetBuffer(), aBStr.Len(),m_eEncoding); 2728 aVariable = aStr; 2729 2730 } break; 2731 case MemoFoxPro: 2732 case MemodBaseIV: // dBase IV-Memofeld mit Laengenangabe 2733 { 2734 char sHeader[4]; 2735 m_pMemoStream->Read(sHeader,4); 2736 // Foxpro stores text and binary data 2737 if (m_aMemoHeader.db_typ == MemoFoxPro) 2738 { 2739 // if (((sal_uInt8)sHeader[0]) != 0 || ((sal_uInt8)sHeader[1]) != 0 || ((sal_uInt8)sHeader[2]) != 0) 2740 // { 2741 //// String aText = String(SdbResId(STR_STAT_IResultSetHelper::INVALID)); 2742 //// aText.SearchAndReplace(String::CreateFromAscii("%%d"),m_pMemoStream->GetFileName()); 2743 //// aText.SearchAndReplace(String::CreateFromAscii("%%t"),aStatus.TypeToString(MEMO)); 2744 //// aStatus.Set(SDB_STAT_ERROR, 2745 //// String::CreateFromAscii("01000"), 2746 //// aStatus.CreateErrorMessage(aText), 2747 //// 0, String() ); 2748 // return sal_False; 2749 // } 2750 // 2751 bIsText = sHeader[3] != 0; 2752 } 2753 else if (((sal_uInt8)sHeader[0]) != 0xFF || ((sal_uInt8)sHeader[1]) != 0xFF || ((sal_uInt8)sHeader[2]) != 0x08) 2754 { 2755 // String aText = String(SdbResId(STR_STAT_IResultSetHelper::INVALID)); 2756 // aText.SearchAndReplace(String::CreateFromAscii("%%d"),m_pMemoStream->GetFileName()); 2757 // aText.SearchAndReplace(String::CreateFromAscii("%%t"),aStatus.TypeToString(MEMO)); 2758 // aStatus.Set(SDB_STAT_ERROR, 2759 // String::CreateFromAscii("01000"), 2760 // aStatus.CreateErrorMessage(aText), 2761 // 0, String() ); 2762 return sal_False; 2763 } 2764 2765 sal_uInt32 nLength(0); 2766 (*m_pMemoStream) >> nLength; 2767 2768 if (m_aMemoHeader.db_typ == MemodBaseIV) 2769 nLength -= 8; 2770 2771 if ( nLength ) 2772 { 2773 if ( bIsText ) 2774 { 2775 // char cChar; 2776 ::rtl::OUStringBuffer aStr; 2777 while ( nLength > STRING_MAXLEN ) 2778 { 2779 ByteString aBStr; 2780 aBStr.Expand(STRING_MAXLEN); 2781 m_pMemoStream->Read(aBStr.AllocBuffer(STRING_MAXLEN),STRING_MAXLEN); 2782 aStr.append(::rtl::OUString(aBStr.GetBuffer(),aBStr.Len(), m_eEncoding)); 2783 nLength -= STRING_MAXLEN; 2784 } 2785 if ( nLength > 0 ) 2786 { 2787 ByteString aBStr; 2788 aBStr.Expand(static_cast<xub_StrLen>(nLength)); 2789 m_pMemoStream->Read(aBStr.AllocBuffer(static_cast<xub_StrLen>(nLength)),nLength); 2790 // aBStr.ReleaseBufferAccess(); 2791 aStr.append(::rtl::OUString(aBStr.GetBuffer(),aBStr.Len(), m_eEncoding)); 2792 } 2793 if ( aStr.getLength() ) 2794 aVariable = aStr.makeStringAndClear(); 2795 } // if ( bIsText ) 2796 else 2797 { 2798 ::com::sun::star::uno::Sequence< sal_Int8 > aData(nLength); 2799 m_pMemoStream->Read(aData.getArray(),nLength); 2800 aVariable = aData; 2801 } 2802 } // if ( nLength ) 2803 } 2804 } 2805 return sal_True; 2806 } 2807 // ----------------------------------------------------------------------------- 2808 void ODbaseTable::AllocBuffer() 2809 { 2810 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::AllocBuffer" ); 2811 sal_uInt16 nSize = m_aHeader.db_slng; 2812 OSL_ENSURE(nSize > 0, "Size too small"); 2813 2814 if (m_nBufferSize != nSize) 2815 { 2816 delete m_pBuffer; 2817 m_pBuffer = NULL; 2818 } 2819 2820 // Falls noch kein Puffer vorhanden: allozieren: 2821 if (m_pBuffer == NULL && nSize > 0) 2822 { 2823 m_nBufferSize = nSize; 2824 m_pBuffer = new sal_uInt8[m_nBufferSize+1]; 2825 } 2826 } 2827 // ----------------------------------------------------------------------------- 2828 sal_Bool ODbaseTable::WriteBuffer() 2829 { 2830 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::WriteBuffer" ); 2831 OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position"); 2832 2833 // Auf gewuenschten Record positionieren: 2834 long nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng; 2835 m_pFileStream->Seek(nPos); 2836 return m_pFileStream->Write((char*) m_pBuffer, m_aHeader.db_slng) > 0; 2837 } 2838 // ----------------------------------------------------------------------------- 2839 sal_Int32 ODbaseTable::getCurrentLastPos() const 2840 { 2841 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getCurrentLastPos" ); 2842 return m_aHeader.db_anz; 2843 } 2844