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 OSL_ENSURE(nLen == 8, "Invalid length for date field"); 900 if (nLen >= 8) { 901 memcpy(&nDate, pData, 4); 902 memcpy(&nTime, pData+ 4, 4); 903 } 904 if ( !nDate && !nTime ) 905 { 906 (_rRow->get())[i]->setNull(); 907 } 908 else 909 { 910 ::com::sun::star::util::DateTime aDateTime; 911 lcl_CalDate(nDate,nTime,aDateTime); 912 *(_rRow->get())[i] = aDateTime; 913 } 914 } 915 else if ( DataType::INTEGER == nType ) 916 { 917 OSL_ENSURE(nLen == 4, "Invalid length for integer field"); 918 if (nLen >= 4) { 919 sal_Int32 nValue = 0; 920 memcpy(&nValue, pData, 4); 921 *(_rRow->get())[i] = nValue; 922 } else { 923 (_rRow->get())[i]->setNull(); 924 } 925 } 926 else if ( DataType::DOUBLE == nType ) 927 { 928 double d = 0.0; 929 OSL_ENSURE(nLen == 8, "Invalid length for double field"); 930 if (nLen >= 8) { 931 if (getBOOL((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency needs special treatment 932 { 933 sal_Int64 nValue = 0; 934 memcpy(&nValue, pData, nLen); 935 936 if ( m_aScales[i-1] ) 937 d = (double)(nValue / pow(10.0,(int)m_aScales[i-1])); 938 else 939 d = (double)(nValue); 940 } 941 else 942 { 943 memcpy(&d, pData, nLen); 944 } 945 946 *(_rRow->get())[i] = d; 947 } else { 948 (_rRow->get())[i]->setNull(); 949 } 950 } 951 else 952 { 953 // Change any nulls into spaces 954 for (sal_Int32 k = 0; k < nLen; k++) 955 { 956 if (pData[k] == '\0') 957 pData[k] = ' '; 958 } 959 960 String aStr(pData, (xub_StrLen)nLen,m_eEncoding); // Strip spaces from beginning and end 961 aStr.EraseLeadingChars(); 962 aStr.EraseTrailingChars(); 963 964 if (!aStr.Len()) 965 { 966 nByteOffset += nLen; 967 (_rRow->get())[i]->setNull(); // no value -> we are done 968 continue; 969 } 970 971 switch (nType) 972 { 973 case DataType::DATE: 974 { 975 OSL_ENSURE(nLen == 8, "Invalid length for date field"); 976 if ((nLen < 8) || (aStr.Len() != nLen)) { 977 (_rRow->get())[i]->setNull(); 978 break; 979 } 980 const sal_uInt16 nYear = (sal_uInt16)aStr.Copy( 0, 4 ).ToInt32(); 981 const sal_uInt16 nMonth = (sal_uInt16)aStr.Copy( 4, 2 ).ToInt32(); 982 const sal_uInt16 nDay = (sal_uInt16)aStr.Copy( 6, 2 ).ToInt32(); 983 984 const ::com::sun::star::util::Date aDate(nDay,nMonth,nYear); 985 *(_rRow->get())[i] = aDate; 986 } 987 break; 988 case DataType::DECIMAL: 989 *(_rRow->get())[i] = ORowSetValue(aStr); 990 // pVal->setDouble(SdbTools::ToDouble(aStr)); 991 break; 992 case DataType::BIT: 993 { 994 OSL_ENSURE(nLen == 1, "Invalid length for bit field"); 995 if (nLen < 1) { 996 (_rRow->get())[i]->setNull(); 997 break; 998 } 999 sal_Bool b; 1000 switch (* ((const char *)pData)) 1001 { 1002 case 'T': 1003 case 'Y': 1004 case 'J': b = sal_True; break; 1005 default: b = sal_False; break; 1006 } 1007 *(_rRow->get())[i] = b; 1008 // pVal->setDouble(b); 1009 } 1010 break; 1011 case DataType::LONGVARBINARY: 1012 case DataType::BINARY: 1013 case DataType::LONGVARCHAR: 1014 { 1015 const long nBlockNo = aStr.ToInt32(); // Blocknummer lesen 1016 if (nBlockNo > 0 && m_pMemoStream) // Daten aus Memo-Datei lesen, nur wenn 1017 { 1018 if ( !ReadMemo(nBlockNo, (_rRow->get())[i]->get()) ) 1019 break; 1020 } 1021 else 1022 (_rRow->get())[i]->setNull(); 1023 } break; 1024 default: 1025 OSL_ASSERT("Wrong type"); 1026 } 1027 (_rRow->get())[i]->setTypeKind(nType); 1028 } 1029 1030 nByteOffset += nLen; 1031 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 1032 } 1033 return sal_True; 1034 } 1035 //------------------------------------------------------------------ 1036 // ------------------------------------------------------------------------- 1037 void ODbaseTable::FileClose() 1038 { 1039 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::FileClose" ); 1040 ::osl::MutexGuard aGuard(m_aMutex); 1041 // falls noch nicht alles geschrieben wurde 1042 if (m_pMemoStream && m_pMemoStream->IsWritable()) 1043 m_pMemoStream->Flush(); 1044 1045 delete m_pMemoStream; 1046 m_pMemoStream = NULL; 1047 1048 ODbaseTable_BASE::FileClose(); 1049 } 1050 // ------------------------------------------------------------------------- 1051 sal_Bool ODbaseTable::CreateImpl() 1052 { 1053 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::CreateImpl" ); 1054 OSL_ENSURE(!m_pFileStream, "SequenceError"); 1055 1056 if ( m_pConnection->isCheckEnabled() && ::dbtools::convertName2SQLName(m_Name,::rtl::OUString()) != m_Name ) 1057 { 1058 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1059 STR_SQL_NAME_ERROR, 1060 "$name$", m_Name 1061 ) ); 1062 ::dbtools::throwGenericSQLException( sError, *this ); 1063 } 1064 1065 INetURLObject aURL; 1066 aURL.SetSmartProtocol(INET_PROT_FILE); 1067 String aName = getEntry(m_pConnection,m_Name); 1068 if(!aName.Len()) 1069 { 1070 ::rtl::OUString aIdent = m_pConnection->getContent()->getIdentifier()->getContentIdentifier(); 1071 if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) ) 1072 aIdent += ::rtl::OUString::createFromAscii("/"); 1073 aIdent += m_Name; 1074 aName = aIdent.getStr(); 1075 } 1076 aURL.SetURL(aName); 1077 1078 if ( !m_pConnection->matchesExtension( aURL.getExtension() ) ) 1079 aURL.setExtension(m_pConnection->getExtension()); 1080 1081 try 1082 { 1083 Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1084 if (aContent.isDocument()) 1085 { 1086 // Hack fuer Bug #30609 , nur wenn das File existiert und die Laenge > 0 gibt es einen Fehler 1087 SvStream* pFileStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE),STREAM_READ); 1088 1089 if (pFileStream && pFileStream->Seek(STREAM_SEEK_TO_END)) 1090 { 1091 // aStatus.SetError(ERRCODE_IO_ALREADYEXISTS,TABLE,aFile.GetFull()); 1092 return sal_False; 1093 } 1094 delete pFileStream; 1095 } 1096 } 1097 catch(Exception&) // a execption is thrown when no file exists 1098 { 1099 } 1100 1101 sal_Bool bMemoFile = sal_False; 1102 1103 sal_Bool bOk = CreateFile(aURL, bMemoFile); 1104 1105 FileClose(); 1106 1107 if (!bOk) 1108 { 1109 try 1110 { 1111 Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1112 aContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),bool2any( sal_True ) ); 1113 } 1114 catch(Exception&) // a execption is thrown when no file exists 1115 { 1116 } 1117 return sal_False; 1118 } 1119 1120 if (bMemoFile) 1121 { 1122 String aExt = aURL.getExtension(); 1123 aURL.setExtension(String::CreateFromAscii("dbt")); // extension for memo file 1124 Content aMemo1Content(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1125 1126 sal_Bool bMemoAlreadyExists = sal_False; 1127 try 1128 { 1129 bMemoAlreadyExists = aMemo1Content.isDocument(); 1130 } 1131 catch(Exception&) // a execption is thrown when no file exists 1132 { 1133 } 1134 if (bMemoAlreadyExists) 1135 { 1136 // aStatus.SetError(ERRCODE_IO_ALREADYEXISTS,MEMO,aFile.GetFull()); 1137 aURL.setExtension(aExt); // kill dbf file 1138 try 1139 { 1140 Content aMemoContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1141 aMemoContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),bool2any( sal_True ) ); 1142 } 1143 catch(const Exception&) 1144 { 1145 1146 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1147 STR_COULD_NOT_DELETE_FILE, 1148 "$name$", aName 1149 ) ); 1150 ::dbtools::throwGenericSQLException( sError, *this ); 1151 } 1152 } 1153 if (!CreateMemoFile(aURL)) 1154 { 1155 aURL.setExtension(aExt); // kill dbf file 1156 Content aMemoContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 1157 aMemoContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),bool2any( sal_True ) ); 1158 return sal_False; 1159 } 1160 m_aHeader.db_typ = dBaseIIIMemo; 1161 } 1162 else 1163 m_aHeader.db_typ = dBaseIII; 1164 1165 return sal_True; 1166 } 1167 // ----------------------------------------------------------------------------- 1168 void ODbaseTable::throwInvalidColumnType(const sal_uInt16 _nErrorId,const ::rtl::OUString& _sColumnName) 1169 { 1170 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::throwInvalidColumnType" ); 1171 try 1172 { 1173 // we have to drop the file because it is corrupted now 1174 DropImpl(); 1175 } 1176 catch(const Exception&) 1177 { 1178 } 1179 1180 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1181 _nErrorId, 1182 "$columnname$", _sColumnName 1183 ) ); 1184 ::dbtools::throwGenericSQLException( sError, *this ); 1185 } 1186 //------------------------------------------------------------------ 1187 // erzeugt grundsaetzlich dBase IV Datei Format 1188 sal_Bool ODbaseTable::CreateFile(const INetURLObject& aFile, sal_Bool& bCreateMemo) 1189 { 1190 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::CreateFile" ); 1191 bCreateMemo = sal_False; 1192 Date aDate; // aktuelles Datum 1193 1194 m_pFileStream = createStream_simpleError( aFile.GetMainURL(INetURLObject::NO_DECODE),STREAM_READWRITE | STREAM_SHARE_DENYWRITE | STREAM_TRUNC ); 1195 1196 if (!m_pFileStream) 1197 return sal_False; 1198 1199 sal_uInt8 nDbaseType = dBaseIII; 1200 Reference<XIndexAccess> xColumns(getColumns(),UNO_QUERY); 1201 Reference<XPropertySet> xCol; 1202 const ::rtl::OUString sPropType = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE); 1203 1204 try 1205 { 1206 const sal_Int32 nCount = xColumns->getCount(); 1207 for(sal_Int32 i=0;i<nCount;++i) 1208 { 1209 xColumns->getByIndex(i) >>= xCol; 1210 OSL_ENSURE(xCol.is(),"This should be a column!"); 1211 1212 switch (getINT32(xCol->getPropertyValue(sPropType))) 1213 { 1214 case DataType::DOUBLE: 1215 case DataType::INTEGER: 1216 case DataType::TIMESTAMP: 1217 case DataType::LONGVARBINARY: 1218 nDbaseType = VisualFoxPro; 1219 i = nCount; // no more columns need to be checked 1220 break; 1221 } // switch (getINT32(xCol->getPropertyValue(sPropType))) 1222 } 1223 } 1224 catch ( const Exception& e ) 1225 { 1226 (void)e; 1227 1228 try 1229 { 1230 // we have to drop the file because it is corrupted now 1231 DropImpl(); 1232 } 1233 catch(const Exception&) { } 1234 throw; 1235 } 1236 1237 char aBuffer[21]; // write buffer 1238 memset(aBuffer,0,sizeof(aBuffer)); 1239 1240 m_pFileStream->Seek(0L); 1241 (*m_pFileStream) << (sal_uInt8) nDbaseType; // dBase format 1242 (*m_pFileStream) << (sal_uInt8) (aDate.GetYear() % 100); // aktuelles Datum 1243 1244 1245 (*m_pFileStream) << (sal_uInt8) aDate.GetMonth(); 1246 (*m_pFileStream) << (sal_uInt8) aDate.GetDay(); 1247 (*m_pFileStream) << 0L; // Anzahl der Datensaetze 1248 (*m_pFileStream) << (sal_uInt16)((m_pColumns->getCount()+1) * 32 + 1); // Kopfinformationen, 1249 // pColumns erhaelt immer eine Spalte mehr 1250 (*m_pFileStream) << (sal_uInt16) 0; // Satzlaenge wird spaeter bestimmt 1251 m_pFileStream->Write(aBuffer, 20); 1252 1253 sal_uInt16 nRecLength = 1; // Laenge 1 fuer deleted flag 1254 sal_Int32 nMaxFieldLength = m_pConnection->getMetaData()->getMaxColumnNameLength(); 1255 ::rtl::OUString aName; 1256 const ::rtl::OUString sPropName = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME); 1257 const ::rtl::OUString sPropPrec = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION); 1258 const ::rtl::OUString sPropScale = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE); 1259 1260 try 1261 { 1262 const sal_Int32 nCount = xColumns->getCount(); 1263 for(sal_Int32 i=0;i<nCount;++i) 1264 { 1265 xColumns->getByIndex(i) >>= xCol; 1266 OSL_ENSURE(xCol.is(),"This should be a column!"); 1267 1268 char cTyp( 'C' ); 1269 1270 xCol->getPropertyValue(sPropName) >>= aName; 1271 1272 ::rtl::OString aCol; 1273 if ( DBTypeConversion::convertUnicodeString( aName, aCol, m_eEncoding ) > nMaxFieldLength) 1274 { 1275 throwInvalidColumnType( STR_INVALID_COLUMN_NAME_LENGTH, aName ); 1276 } 1277 1278 (*m_pFileStream) << aCol.getStr(); 1279 m_pFileStream->Write(aBuffer, 11 - aCol.getLength()); 1280 1281 sal_Int32 nPrecision = 0; 1282 xCol->getPropertyValue(sPropPrec) >>= nPrecision; 1283 sal_Int32 nScale = 0; 1284 xCol->getPropertyValue(sPropScale) >>= nScale; 1285 1286 bool bBinary = false; 1287 1288 switch (getINT32(xCol->getPropertyValue(sPropType))) 1289 { 1290 case DataType::CHAR: 1291 case DataType::VARCHAR: 1292 cTyp = 'C'; 1293 break; 1294 case DataType::DOUBLE: 1295 if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1296 cTyp = 'Y'; 1297 else 1298 cTyp = 'B'; 1299 break; 1300 case DataType::INTEGER: 1301 cTyp = 'I'; 1302 break; 1303 case DataType::TINYINT: 1304 case DataType::SMALLINT: 1305 case DataType::BIGINT: 1306 case DataType::DECIMAL: 1307 case DataType::NUMERIC: 1308 case DataType::REAL: 1309 cTyp = 'N'; // nur dBase 3 format 1310 break; 1311 case DataType::TIMESTAMP: 1312 cTyp = 'T'; 1313 break; 1314 case DataType::DATE: 1315 cTyp = 'D'; 1316 break; 1317 case DataType::BIT: 1318 cTyp = 'L'; 1319 break; 1320 case DataType::LONGVARBINARY: 1321 bBinary = true; 1322 // run through 1323 case DataType::LONGVARCHAR: 1324 cTyp = 'M'; 1325 break; 1326 default: 1327 { 1328 throwInvalidColumnType(STR_INVALID_COLUMN_TYPE, aName); 1329 } 1330 } 1331 1332 (*m_pFileStream) << cTyp; 1333 if ( nDbaseType == VisualFoxPro ) 1334 (*m_pFileStream) << (nRecLength-1); 1335 else 1336 m_pFileStream->Write(aBuffer, 4); 1337 1338 switch(cTyp) 1339 { 1340 case 'C': 1341 OSL_ENSURE(nPrecision < 255, "ODbaseTable::Create: Column zu lang!"); 1342 if (nPrecision > 254) 1343 { 1344 throwInvalidColumnType(STR_INVALID_COLUMN_PRECISION, aName); 1345 } 1346 (*m_pFileStream) << (sal_uInt8) Min((sal_uIntPtr)nPrecision, 255UL); //Feldlaenge 1347 nRecLength = nRecLength + (sal_uInt16)::std::min((sal_uInt16)nPrecision, (sal_uInt16)255UL); 1348 (*m_pFileStream) << (sal_uInt8)0; //Nachkommastellen 1349 break; 1350 case 'F': 1351 case 'N': 1352 OSL_ENSURE(nPrecision >= nScale, 1353 "ODbaseTable::Create: Feldlaenge muss groesser Nachkommastellen sein!"); 1354 if (nPrecision < nScale) 1355 { 1356 throwInvalidColumnType(STR_INVALID_PRECISION_SCALE, aName); 1357 } 1358 if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1359 { 1360 (*m_pFileStream) << (sal_uInt8)10; // Standard Laenge 1361 (*m_pFileStream) << (sal_uInt8)4; 1362 nRecLength += 10; 1363 } 1364 else 1365 { 1366 sal_Int32 nPrec = SvDbaseConverter::ConvertPrecisionToDbase(nPrecision,nScale); 1367 1368 (*m_pFileStream) << (sal_uInt8)( nPrec); 1369 (*m_pFileStream) << (sal_uInt8)nScale; 1370 nRecLength += (sal_uInt16)nPrec; 1371 } 1372 break; 1373 case 'L': 1374 (*m_pFileStream) << (sal_uInt8)1; 1375 (*m_pFileStream) << (sal_uInt8)0; 1376 ++nRecLength; 1377 break; 1378 case 'I': 1379 (*m_pFileStream) << (sal_uInt8)4; 1380 (*m_pFileStream) << (sal_uInt8)0; 1381 nRecLength += 4; 1382 break; 1383 case 'Y': 1384 case 'B': 1385 case 'T': 1386 case 'D': 1387 (*m_pFileStream) << (sal_uInt8)8; 1388 (*m_pFileStream) << (sal_uInt8)0; 1389 nRecLength += 8; 1390 break; 1391 case 'M': 1392 bCreateMemo = sal_True; 1393 (*m_pFileStream) << (sal_uInt8)10; 1394 (*m_pFileStream) << (sal_uInt8)0; 1395 nRecLength += 10; 1396 if ( bBinary ) 1397 aBuffer[0] = 0x06; 1398 break; 1399 default: 1400 throwInvalidColumnType(STR_INVALID_COLUMN_TYPE, aName); 1401 } 1402 m_pFileStream->Write(aBuffer, 14); 1403 aBuffer[0] = 0x00; 1404 } 1405 1406 (*m_pFileStream) << (sal_uInt8)FIELD_DESCRIPTOR_TERMINATOR; // kopf ende 1407 (*m_pFileStream) << (char)DBF_EOL; 1408 m_pFileStream->Seek(10L); 1409 (*m_pFileStream) << nRecLength; // Satzlaenge nachtraeglich eintragen 1410 1411 if (bCreateMemo) 1412 { 1413 m_pFileStream->Seek(0L); 1414 if (nDbaseType == VisualFoxPro) 1415 (*m_pFileStream) << (sal_uInt8) FoxProMemo; 1416 else 1417 (*m_pFileStream) << (sal_uInt8) dBaseIIIMemo; 1418 } // if (bCreateMemo) 1419 } 1420 catch ( const Exception& e ) 1421 { 1422 (void)e; 1423 1424 try 1425 { 1426 // we have to drop the file because it is corrupted now 1427 DropImpl(); 1428 } 1429 catch(const Exception&) { } 1430 throw; 1431 } 1432 return sal_True; 1433 } 1434 1435 //------------------------------------------------------------------ 1436 // erzeugt grundsaetzlich dBase III Datei Format 1437 sal_Bool ODbaseTable::CreateMemoFile(const INetURLObject& aFile) 1438 { 1439 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::CreateMemoFile" ); 1440 // Makro zum Filehandling fuers Erzeugen von Tabellen 1441 m_pMemoStream = createStream_simpleError( aFile.GetMainURL(INetURLObject::NO_DECODE),STREAM_READWRITE | STREAM_SHARE_DENYWRITE); 1442 1443 if (!m_pMemoStream) 1444 return sal_False; 1445 1446 char aBuffer[512]; // write buffer 1447 memset(aBuffer,0,sizeof(aBuffer)); 1448 1449 m_pMemoStream->SetFiller('\0'); 1450 m_pMemoStream->SetStreamSize(512); 1451 1452 m_pMemoStream->Seek(0L); 1453 (*m_pMemoStream) << long(1); // Zeiger auf ersten freien Block 1454 1455 m_pMemoStream->Flush(); 1456 delete m_pMemoStream; 1457 m_pMemoStream = NULL; 1458 return sal_True; 1459 } 1460 //------------------------------------------------------------------ 1461 sal_Bool ODbaseTable::Drop_Static(const ::rtl::OUString& _sUrl,sal_Bool _bHasMemoFields,OCollection* _pIndexes ) 1462 { 1463 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::Drop_Static" ); 1464 INetURLObject aURL; 1465 aURL.SetURL(_sUrl); 1466 1467 sal_Bool bDropped = ::utl::UCBContentHelper::Kill(aURL.GetMainURL(INetURLObject::NO_DECODE)); 1468 1469 if(bDropped) 1470 { 1471 if (_bHasMemoFields) 1472 { // delete the memo fields 1473 aURL.setExtension(String::CreateFromAscii("dbt")); 1474 bDropped = ::utl::UCBContentHelper::Kill(aURL.GetMainURL(INetURLObject::NO_DECODE)); 1475 } 1476 1477 if(bDropped) 1478 { 1479 if(_pIndexes) 1480 { 1481 try 1482 { 1483 sal_Int32 i = _pIndexes->getCount(); 1484 while (i) 1485 { 1486 _pIndexes->dropByIndex(--i); 1487 } 1488 } 1489 catch(SQLException) 1490 { 1491 } 1492 } 1493 // aFile.SetBase(m_Name); 1494 aURL.setExtension(String::CreateFromAscii("inf")); 1495 1496 // as the inf file does not necessarily exist, we aren't allowed to use UCBContentHelper::Kill 1497 // 89711 - 16.07.2001 - frank.schoenheit@sun.com 1498 try 1499 { 1500 ::ucbhelper::Content aDeleteContent( aURL.GetMainURL( INetURLObject::NO_DECODE ), Reference< XCommandEnvironment > () ); 1501 aDeleteContent.executeCommand( ::rtl::OUString::createFromAscii( "delete" ), makeAny( sal_Bool( sal_True ) ) ); 1502 } 1503 catch(Exception&) 1504 { 1505 // silently ignore this .... 1506 } 1507 } 1508 } 1509 return bDropped; 1510 } 1511 // ----------------------------------------------------------------------------- 1512 sal_Bool ODbaseTable::DropImpl() 1513 { 1514 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::DropImpl" ); 1515 FileClose(); 1516 1517 if(!m_pIndexes) 1518 refreshIndexes(); // look for indexes which must be deleted as well 1519 1520 sal_Bool bDropped = Drop_Static(getEntry(m_pConnection,m_Name),HasMemoFields(),m_pIndexes); 1521 if(!bDropped) 1522 {// we couldn't drop the table so we have to reopen it 1523 construct(); 1524 if(m_pColumns) 1525 m_pColumns->refresh(); 1526 } 1527 return bDropped; 1528 } 1529 1530 //------------------------------------------------------------------ 1531 sal_Bool ODbaseTable::InsertRow(OValueRefVector& rRow, sal_Bool bFlush,const Reference<XIndexAccess>& _xCols) 1532 { 1533 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::InsertRow" ); 1534 // Buffer mit Leerzeichen fuellen 1535 AllocBuffer(); 1536 memset(m_pBuffer, 0, m_aHeader.db_slng); 1537 m_pBuffer[0] = ' '; 1538 1539 // Gesamte neue Row uebernehmen: 1540 // ... und am Ende als neuen Record hinzufuegen: 1541 sal_uInt32 nTempPos = m_nFilePos, 1542 nFileSize = 0, 1543 nMemoFileSize = 0; 1544 1545 m_nFilePos = (sal_uIntPtr)m_aHeader.db_anz + 1; 1546 sal_Bool bInsertRow = UpdateBuffer( rRow, NULL, _xCols ); 1547 if ( bInsertRow ) 1548 { 1549 nFileSize = lcl_getFileSize(*m_pFileStream); 1550 1551 if (HasMemoFields() && m_pMemoStream) 1552 { 1553 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 1554 nMemoFileSize = m_pMemoStream->Tell(); 1555 } 1556 1557 if (!WriteBuffer()) 1558 { 1559 m_pFileStream->SetStreamSize(nFileSize); // alte Groesse restaurieren 1560 1561 if (HasMemoFields() && m_pMemoStream) 1562 m_pMemoStream->SetStreamSize(nMemoFileSize); // alte Groesse restaurieren 1563 m_nFilePos = nTempPos; // Fileposition restaurieren 1564 } 1565 else 1566 { 1567 (*m_pFileStream) << (char)DBF_EOL; // write EOL 1568 // Anzahl Datensaetze im Header erhoehen: 1569 m_pFileStream->Seek( 4L ); 1570 (*m_pFileStream) << (m_aHeader.db_anz + 1); 1571 1572 // beim AppendOnly kein Flush! 1573 if (bFlush) 1574 m_pFileStream->Flush(); 1575 1576 // bei Erfolg # erhoehen 1577 m_aHeader.db_anz++; 1578 *rRow.get()[0] = m_nFilePos; // BOOKmark setzen 1579 m_nFilePos = nTempPos; 1580 } 1581 } 1582 else 1583 m_nFilePos = nTempPos; 1584 1585 return bInsertRow; 1586 } 1587 1588 //------------------------------------------------------------------ 1589 sal_Bool ODbaseTable::UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow,const Reference<XIndexAccess>& _xCols) 1590 { 1591 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::UpdateRow" ); 1592 // Buffer mit Leerzeichen fuellen 1593 AllocBuffer(); 1594 1595 // Auf gewuenschten Record positionieren: 1596 long nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng; 1597 m_pFileStream->Seek(nPos); 1598 m_pFileStream->Read((char*)m_pBuffer, m_aHeader.db_slng); 1599 1600 sal_uInt32 nMemoFileSize( 0 ); 1601 if (HasMemoFields() && m_pMemoStream) 1602 { 1603 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 1604 nMemoFileSize = m_pMemoStream->Tell(); 1605 } 1606 if (!UpdateBuffer(rRow, pOrgRow,_xCols) || !WriteBuffer()) 1607 { 1608 if (HasMemoFields() && m_pMemoStream) 1609 m_pMemoStream->SetStreamSize(nMemoFileSize); // alte Groesse restaurieren 1610 } 1611 else 1612 { 1613 m_pFileStream->Flush(); 1614 } 1615 return sal_True; 1616 } 1617 1618 //------------------------------------------------------------------ 1619 sal_Bool ODbaseTable::DeleteRow(const OSQLColumns& _rCols) 1620 { 1621 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::DeleteRow" ); 1622 // Einfach das Loesch-Flag setzen (egal, ob es schon gesetzt war 1623 // oder nicht): 1624 // Auf gewuenschten Record positionieren: 1625 long nFilePos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng; 1626 m_pFileStream->Seek(nFilePos); 1627 1628 OValueRefRow aRow = new OValueRefVector(_rCols.get().size()); 1629 1630 if (!fetchRow(aRow,_rCols,sal_True,sal_True)) 1631 return sal_False; 1632 1633 Reference<XPropertySet> xCol; 1634 ::rtl::OUString aColName; 1635 ::comphelper::UStringMixEqual aCase(isCaseSensitive()); 1636 for (sal_uInt16 i = 0; i < m_pColumns->getCount(); i++) 1637 { 1638 Reference<XPropertySet> xIndex = isUniqueByColumnName(i); 1639 if (xIndex.is()) 1640 { 1641 ::cppu::extractInterface(xCol,m_pColumns->getByIndex(i)); 1642 OSL_ENSURE(xCol.is(),"ODbaseTable::DeleteRow column is null!"); 1643 if(xCol.is()) 1644 { 1645 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1646 1647 Reference<XUnoTunnel> xTunnel(xIndex,UNO_QUERY); 1648 OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!"); 1649 ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) ); 1650 OSL_ENSURE(pIndex,"ODbaseTable::DeleteRow: No Index returned!"); 1651 1652 OSQLColumns::Vector::const_iterator aIter = _rCols.get().begin(); 1653 sal_Int32 nPos = 1; 1654 for(;aIter != _rCols.get().end();++aIter,++nPos) 1655 { 1656 if(aCase(getString((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME))),aColName)) 1657 break; 1658 } 1659 if (aIter == _rCols.get().end()) 1660 continue; 1661 1662 pIndex->Delete(m_nFilePos,*(aRow->get())[nPos]); 1663 } 1664 } 1665 } 1666 1667 m_pFileStream->Seek(nFilePos); 1668 (*m_pFileStream) << (sal_uInt8)'*'; // mark the row in the table as deleted 1669 m_pFileStream->Flush(); 1670 return sal_True; 1671 } 1672 // ------------------------------------------------------------------------- 1673 Reference<XPropertySet> ODbaseTable::isUniqueByColumnName(sal_Int32 _nColumnPos) 1674 { 1675 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::isUniqueByColumnName" ); 1676 if(!m_pIndexes) 1677 refreshIndexes(); 1678 if(m_pIndexes->hasElements()) 1679 { 1680 Reference<XPropertySet> xCol; 1681 m_pColumns->getByIndex(_nColumnPos) >>= xCol; 1682 OSL_ENSURE(xCol.is(),"ODbaseTable::isUniqueByColumnName column is null!"); 1683 ::rtl::OUString sColName; 1684 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= sColName; 1685 1686 Reference<XPropertySet> xIndex; 1687 for(sal_Int32 i=0;i<m_pIndexes->getCount();++i) 1688 { 1689 ::cppu::extractInterface(xIndex,m_pIndexes->getByIndex(i)); 1690 if(xIndex.is() && getBOOL(xIndex->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISUNIQUE)))) 1691 { 1692 Reference<XNameAccess> xCols(Reference<XColumnsSupplier>(xIndex,UNO_QUERY)->getColumns()); 1693 if(xCols->hasByName(sColName)) 1694 return xIndex; 1695 1696 } 1697 } 1698 } 1699 return Reference<XPropertySet>(); 1700 } 1701 //------------------------------------------------------------------ 1702 double toDouble(const ByteString& rString) 1703 { 1704 return ::rtl::math::stringToDouble( rString, '.', ',', NULL, NULL ); 1705 } 1706 1707 //------------------------------------------------------------------ 1708 sal_Bool ODbaseTable::UpdateBuffer(OValueRefVector& rRow, OValueRefRow pOrgRow,const Reference<XIndexAccess>& _xCols) 1709 { 1710 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::UpdateBuffer" ); 1711 OSL_ENSURE(m_pBuffer,"Buffer is NULL!"); 1712 if ( !m_pBuffer ) 1713 return sal_False; 1714 sal_Int32 nByteOffset = 1; 1715 1716 // Felder aktualisieren: 1717 Reference<XPropertySet> xCol; 1718 Reference<XPropertySet> xIndex; 1719 sal_uInt16 i; 1720 ::rtl::OUString aColName; 1721 const sal_Int32 nColumnCount = m_pColumns->getCount(); 1722 ::std::vector< Reference<XPropertySet> > aIndexedCols(nColumnCount); 1723 1724 ::comphelper::UStringMixEqual aCase(isCaseSensitive()); 1725 1726 Reference<XIndexAccess> xColumns = m_pColumns; 1727 // first search a key that exist already in the table 1728 for (i = 0; i < nColumnCount; ++i) 1729 { 1730 sal_Int32 nPos = i; 1731 if(_xCols != xColumns) 1732 { 1733 m_pColumns->getByIndex(i) >>= xCol; 1734 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1735 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1736 1737 for(nPos = 0;nPos<_xCols->getCount();++nPos) 1738 { 1739 Reference<XPropertySet> xFindCol; 1740 ::cppu::extractInterface(xFindCol,_xCols->getByIndex(nPos)); 1741 OSL_ENSURE(xFindCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1742 if(aCase(getString(xFindCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))),aColName)) 1743 break; 1744 } 1745 if (nPos >= _xCols->getCount()) 1746 continue; 1747 } 1748 1749 ++nPos; 1750 xIndex = isUniqueByColumnName(i); 1751 aIndexedCols[i] = xIndex; 1752 if (xIndex.is()) 1753 { 1754 // first check if the value is different to the old one and when if it conform to the index 1755 if(pOrgRow.isValid() && (rRow.get()[nPos]->getValue().isNull() || rRow.get()[nPos] == (pOrgRow->get())[nPos])) 1756 continue; 1757 else 1758 { 1759 // ODbVariantRef xVar = (pVal == NULL) ? new ODbVariant() : pVal; 1760 Reference<XUnoTunnel> xTunnel(xIndex,UNO_QUERY); 1761 OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!"); 1762 ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) ); 1763 OSL_ENSURE(pIndex,"ODbaseTable::UpdateBuffer: No Index returned!"); 1764 1765 if (pIndex->Find(0,*rRow.get()[nPos])) 1766 { 1767 // es existiert kein eindeutiger Wert 1768 if ( !aColName.getLength() ) 1769 { 1770 m_pColumns->getByIndex(i) >>= xCol; 1771 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1772 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1773 xCol.clear(); 1774 } // if ( !aColName.getLength() ) 1775 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1776 STR_DUPLICATE_VALUE_IN_COLUMN 1777 ,"$columnname$", aColName 1778 ) ); 1779 ::dbtools::throwGenericSQLException( sError, *this ); 1780 } 1781 } 1782 } 1783 } 1784 1785 // when we are here there is no double key in the table 1786 1787 for (i = 0; i < nColumnCount && nByteOffset <= m_nBufferSize ; ++i) 1788 { 1789 // Laengen je nach Datentyp: 1790 OSL_ENSURE(i < m_aPrecisions.size(),"Illegal index!"); 1791 sal_Int32 nLen = 0; 1792 sal_Int32 nType = 0; 1793 sal_Int32 nScale = 0; 1794 if ( i < m_aPrecisions.size() ) 1795 { 1796 nLen = m_aPrecisions[i]; 1797 nType = m_aTypes[i]; 1798 nScale = m_aScales[i]; 1799 } 1800 else 1801 { 1802 m_pColumns->getByIndex(i) >>= xCol; 1803 if ( xCol.is() ) 1804 { 1805 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)) >>= nLen; 1806 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType; 1807 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE)) >>= nScale; 1808 } 1809 } 1810 1811 bool bSetZero = false; 1812 switch (nType) 1813 { 1814 case DataType::INTEGER: 1815 case DataType::DOUBLE: 1816 case DataType::TIMESTAMP: 1817 bSetZero = true; 1818 case DataType::LONGVARBINARY: 1819 case DataType::DATE: 1820 case DataType::BIT: 1821 case DataType::LONGVARCHAR: 1822 nLen = m_aRealFieldLengths[i]; 1823 break; 1824 case DataType::DECIMAL: 1825 nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,nScale); 1826 break; // das Vorzeichen und das Komma 1827 default: 1828 break; 1829 1830 } // switch (nType) 1831 1832 sal_Int32 nPos = i; 1833 if(_xCols != xColumns) 1834 { 1835 m_pColumns->getByIndex(i) >>= xCol; 1836 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1837 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1838 for(nPos = 0;nPos<_xCols->getCount();++nPos) 1839 { 1840 Reference<XPropertySet> xFindCol; 1841 ::cppu::extractInterface(xFindCol,_xCols->getByIndex(nPos)); 1842 if(aCase(getString(xFindCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))),aColName)) 1843 break; 1844 } 1845 if (nPos >= _xCols->getCount()) 1846 { 1847 nByteOffset += nLen; 1848 continue; 1849 } 1850 } 1851 1852 1853 1854 ++nPos; // the row values start at 1 1855 // Ist die Variable ueberhaupt gebunden? 1856 if ( !rRow.get()[nPos]->isBound() ) 1857 { 1858 // Nein - naechstes Feld. 1859 nByteOffset += nLen; 1860 continue; 1861 } 1862 if (aIndexedCols[i].is()) 1863 { 1864 Reference<XUnoTunnel> xTunnel(aIndexedCols[i],UNO_QUERY); 1865 OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!"); 1866 ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) ); 1867 OSL_ENSURE(pIndex,"ODbaseTable::UpdateBuffer: No Index returned!"); 1868 // Update !! 1869 if (pOrgRow.isValid() && !rRow.get()[nPos]->getValue().isNull() )//&& pVal->isModified()) 1870 pIndex->Update(m_nFilePos,*(pOrgRow->get())[nPos],*rRow.get()[nPos]); 1871 else 1872 pIndex->Insert(m_nFilePos,*rRow.get()[nPos]); 1873 } 1874 1875 char* pData = (char *)(m_pBuffer + nByteOffset); 1876 if (rRow.get()[nPos]->getValue().isNull()) 1877 { 1878 if ( bSetZero ) 1879 memset(pData,0,nLen); // Zuruecksetzen auf NULL 1880 else 1881 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 1882 nByteOffset += nLen; 1883 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 1884 continue; 1885 } 1886 1887 sal_Bool bHadError = sal_False; 1888 try 1889 { 1890 switch (nType) 1891 { 1892 case DataType::TIMESTAMP: 1893 { 1894 OSL_ENSURE(nLen == 8, "Invalid length for timestamp field"); 1895 if (nLen != 8) { 1896 bHadError = true; 1897 break; 1898 } 1899 sal_Int32 nJulianDate = 0, nJulianTime = 0; 1900 lcl_CalcJulDate(nJulianDate,nJulianTime,rRow.get()[nPos]->getValue()); 1901 // Genau 8 Byte kopieren: 1902 memcpy(pData,&nJulianDate,4); 1903 memcpy(pData+4,&nJulianTime,4); 1904 } 1905 break; 1906 case DataType::DATE: 1907 { 1908 OSL_ENSURE(nLen == 8, "Invalid length for date field"); 1909 if (nLen != 8) { 1910 bHadError = true; 1911 break; 1912 } 1913 ::com::sun::star::util::Date aDate; 1914 if(rRow.get()[nPos]->getValue().getTypeKind() == DataType::DOUBLE) 1915 aDate = ::dbtools::DBTypeConversion::toDate(rRow.get()[nPos]->getValue().getDouble()); 1916 else 1917 aDate = rRow.get()[nPos]->getValue(); 1918 char s[9]; 1919 snprintf(s, 1920 sizeof(s), 1921 "%04d%02d%02d", 1922 (int)aDate.Year, 1923 (int)aDate.Month, 1924 (int)aDate.Day); 1925 1926 // Genau 8 Byte kopieren: 1927 strncpy(pData,s,sizeof s - 1); 1928 } break; 1929 case DataType::INTEGER: 1930 { 1931 OSL_ENSURE(nLen == 4, "Invalid length for integer field"); 1932 if (nLen != 4) { 1933 bHadError = true; 1934 break; 1935 } 1936 sal_Int32 nValue = rRow.get()[nPos]->getValue(); 1937 memcpy(pData,&nValue,nLen); 1938 } 1939 break; 1940 case DataType::DOUBLE: 1941 { 1942 OSL_ENSURE(nLen == 8, "Invalid length for double field"); 1943 if (nLen != 8) { 1944 bHadError = true; 1945 break; 1946 } 1947 const double d = rRow.get()[nPos]->getValue(); 1948 m_pColumns->getByIndex(i) >>= xCol; 1949 1950 if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1951 { 1952 sal_Int64 nValue = 0; 1953 if ( m_aScales[i] ) 1954 nValue = (sal_Int64)(d * pow(10.0,(int)m_aScales[i])); 1955 else 1956 nValue = (sal_Int64)(d); 1957 memcpy(pData,&nValue,nLen); 1958 } // if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency wird gesondert behandelt 1959 else 1960 memcpy(pData,&d,nLen); 1961 } 1962 break; 1963 case DataType::DECIMAL: 1964 { 1965 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 1966 1967 const double n = rRow.get()[nPos]->getValue(); 1968 1969 // ein const_cast, da GetFormatPrecision am SvNumberFormat nicht const ist, obwohl es das eigentlich 1970 // sein koennte und muesste 1971 1972 const ByteString aDefaultValue( ::rtl::math::doubleToString( n, rtl_math_StringFormat_F, nScale, '.', NULL, 0)); 1973 sal_Bool bValidLength = aDefaultValue.Len() <= nLen; 1974 if ( bValidLength ) 1975 { 1976 strncpy(pData,aDefaultValue.GetBuffer(),nLen); 1977 // write the resulting double back 1978 *rRow.get()[nPos] = toDouble(aDefaultValue); 1979 } 1980 else 1981 { 1982 m_pColumns->getByIndex(i) >>= xCol; 1983 OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!"); 1984 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 1985 ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > > aStringToSubstitutes; 1986 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$columnname$", aColName)); 1987 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$precision$", String::CreateFromInt32(nLen))); 1988 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$scale$", String::CreateFromInt32(nScale))); 1989 aStringToSubstitutes.push_back(::std::pair<const sal_Char* , ::rtl::OUString >("$value$", ::rtl::OStringToOUString(aDefaultValue,RTL_TEXTENCODING_UTF8))); 1990 1991 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 1992 STR_INVALID_COLUMN_DECIMAL_VALUE 1993 ,aStringToSubstitutes 1994 ) ); 1995 ::dbtools::throwGenericSQLException( sError, *this ); 1996 } 1997 } break; 1998 case DataType::BIT: 1999 OSL_ENSURE(nLen == 1, "Invalid length for bit field"); 2000 if (nLen != 1) { 2001 bHadError = true; 2002 break; 2003 } 2004 *pData = rRow.get()[nPos]->getValue().getBool() ? 'T' : 'F'; 2005 break; 2006 case DataType::LONGVARBINARY: 2007 case DataType::LONGVARCHAR: 2008 { 2009 char cNext = pData[nLen]; // merken und temporaer durch 0 ersetzen 2010 pData[nLen] = '\0'; // das geht, da der Puffer immer ein Zeichen groesser ist ... 2011 2012 sal_uIntPtr nBlockNo = strtol((const char *)pData,NULL,10); // Blocknummer lesen 2013 2014 // Naechstes Anfangszeichen wieder restaurieren: 2015 pData[nLen] = cNext; 2016 if (!m_pMemoStream || !WriteMemo(rRow.get()[nPos]->get(), nBlockNo)) 2017 break; 2018 2019 ByteString aStr; 2020 ByteString aBlock(ByteString::CreateFromInt32(nBlockNo)); 2021 aStr.Expand(static_cast<sal_uInt16>(nLen - aBlock.Len()), '0' ); 2022 aStr += aBlock; 2023 // Zeichen kopieren: 2024 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 2025 memcpy(pData, aStr.GetBuffer(), nLen); 2026 } break; 2027 default: 2028 { 2029 memset(pData,' ',nLen); // Zuruecksetzen auf NULL 2030 2031 ::rtl::OUString sStringToWrite( rRow.get()[nPos]->getValue().getString() ); 2032 2033 // convert the string, using the connection's encoding 2034 ::rtl::OString sEncoded; 2035 2036 DBTypeConversion::convertUnicodeStringToLength( sStringToWrite, sEncoded, nLen, m_eEncoding ); 2037 memcpy( pData, sEncoded.getStr(), sEncoded.getLength() ); 2038 2039 } 2040 break; 2041 } 2042 } 2043 catch( SQLException& ) 2044 { 2045 throw; 2046 } 2047 catch ( Exception& ) { bHadError = sal_True; } 2048 2049 if ( bHadError ) 2050 { 2051 m_pColumns->getByIndex(i) >>= xCol; 2052 OSL_ENSURE( xCol.is(), "ODbaseTable::UpdateBuffer column is null!" ); 2053 if ( xCol.is() ) 2054 xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName; 2055 2056 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2057 STR_INVALID_COLUMN_VALUE, 2058 "$columnname$", aColName 2059 ) ); 2060 ::dbtools::throwGenericSQLException( sError, *this ); 2061 } 2062 // Und weiter ... 2063 nByteOffset += nLen; 2064 OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!"); 2065 } 2066 return sal_True; 2067 } 2068 2069 // ----------------------------------------------------------------------------- 2070 sal_Bool ODbaseTable::WriteMemo(ORowSetValue& aVariable, sal_uIntPtr& rBlockNr) 2071 { 2072 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::WriteMemo" ); 2073 // wird die BlockNr 0 vorgegeben, wird der block ans Ende gehaengt 2074 sal_uIntPtr nSize = 0; 2075 ::rtl::OString aStr; 2076 ::com::sun::star::uno::Sequence<sal_Int8> aValue; 2077 sal_uInt8 nHeader[4]; 2078 const bool bBinary = aVariable.getTypeKind() == DataType::LONGVARBINARY && m_aMemoHeader.db_typ == MemoFoxPro; 2079 if ( bBinary ) 2080 { 2081 aValue = aVariable.getSequence(); 2082 nSize = aValue.getLength(); 2083 } 2084 else 2085 { 2086 nSize = DBTypeConversion::convertUnicodeString( aVariable.getString(), aStr, m_eEncoding ); 2087 } 2088 2089 // Anhaengen oder ueberschreiben 2090 sal_Bool bAppend = rBlockNr == 0; 2091 2092 if (!bAppend) 2093 { 2094 switch (m_aMemoHeader.db_typ) 2095 { 2096 case MemodBaseIII: // dBase III-Memofeld, endet mit 2 * Ctrl-Z 2097 bAppend = nSize > (512 - 2); 2098 break; 2099 case MemoFoxPro: 2100 case MemodBaseIV: // dBase IV-Memofeld mit Laengenangabe 2101 { 2102 char sHeader[4]; 2103 m_pMemoStream->Seek(rBlockNr * m_aMemoHeader.db_size); 2104 m_pMemoStream->SeekRel(4L); 2105 m_pMemoStream->Read(sHeader,4); 2106 2107 sal_uIntPtr nOldSize; 2108 if (m_aMemoHeader.db_typ == MemoFoxPro) 2109 nOldSize = ((((unsigned char)sHeader[0]) * 256 + 2110 (unsigned char)sHeader[1]) * 256 + 2111 (unsigned char)sHeader[2]) * 256 + 2112 (unsigned char)sHeader[3]; 2113 else 2114 nOldSize = ((((unsigned char)sHeader[3]) * 256 + 2115 (unsigned char)sHeader[2]) * 256 + 2116 (unsigned char)sHeader[1]) * 256 + 2117 (unsigned char)sHeader[0] - 8; 2118 2119 // passt die neue Laenge in die belegten Bloecke 2120 sal_uIntPtr nUsedBlocks = ((nSize + 8) / m_aMemoHeader.db_size) + (((nSize + 8) % m_aMemoHeader.db_size > 0) ? 1 : 0), 2121 nOldUsedBlocks = ((nOldSize + 8) / m_aMemoHeader.db_size) + (((nOldSize + 8) % m_aMemoHeader.db_size > 0) ? 1 : 0); 2122 bAppend = nUsedBlocks > nOldUsedBlocks; 2123 } 2124 } 2125 } 2126 2127 if (bAppend) 2128 { 2129 sal_uIntPtr nStreamSize = m_pMemoStream->Seek(STREAM_SEEK_TO_END); 2130 // letzten block auffuellen 2131 rBlockNr = (nStreamSize / m_aMemoHeader.db_size) + ((nStreamSize % m_aMemoHeader.db_size) > 0 ? 1 : 0); 2132 2133 m_pMemoStream->SetStreamSize(rBlockNr * m_aMemoHeader.db_size); 2134 m_pMemoStream->Seek(STREAM_SEEK_TO_END); 2135 } 2136 else 2137 { 2138 m_pMemoStream->Seek(rBlockNr * m_aMemoHeader.db_size); 2139 } 2140 2141 switch (m_aMemoHeader.db_typ) 2142 { 2143 case MemodBaseIII: // dBase III-Memofeld, endet mit Ctrl-Z 2144 { 2145 const char cEOF = (char) DBF_EOL; 2146 nSize++; 2147 m_pMemoStream->Write( aStr.getStr(), aStr.getLength() ); 2148 (*m_pMemoStream) << cEOF << cEOF; 2149 } break; 2150 case MemoFoxPro: 2151 case MemodBaseIV: // dBase IV-Memofeld mit Laengenangabe 2152 { 2153 if ( MemodBaseIV == m_aMemoHeader.db_typ ) 2154 (*m_pMemoStream) << (sal_uInt8)0xFF 2155 << (sal_uInt8)0xFF 2156 << (sal_uInt8)0x08; 2157 else 2158 (*m_pMemoStream) << (sal_uInt8)0x00 2159 << (sal_uInt8)0x00 2160 << (sal_uInt8)0x00; 2161 2162 sal_uInt32 nWriteSize = nSize; 2163 if (m_aMemoHeader.db_typ == MemoFoxPro) 2164 { 2165 if ( bBinary ) 2166 (*m_pMemoStream) << (sal_uInt8) 0x00; // Picture 2167 else 2168 (*m_pMemoStream) << (sal_uInt8) 0x01; // Memo 2169 for (int i = 4; i > 0; nWriteSize >>= 8) 2170 nHeader[--i] = (sal_uInt8) (nWriteSize % 256); 2171 } 2172 else 2173 { 2174 (*m_pMemoStream) << (sal_uInt8) 0x00; 2175 nWriteSize += 8; 2176 for (int i = 0; i < 4; nWriteSize >>= 8) 2177 nHeader[i++] = (sal_uInt8) (nWriteSize % 256); 2178 } 2179 2180 m_pMemoStream->Write(nHeader,4); 2181 if ( bBinary ) 2182 m_pMemoStream->Write( aValue.getConstArray(), aValue.getLength() ); 2183 else 2184 m_pMemoStream->Write( aStr.getStr(), aStr.getLength() ); 2185 m_pMemoStream->Flush(); 2186 } 2187 } 2188 2189 2190 // Schreiben der neuen Blocknummer 2191 if (bAppend) 2192 { 2193 sal_uIntPtr nStreamSize = m_pMemoStream->Seek(STREAM_SEEK_TO_END); 2194 m_aMemoHeader.db_next = (nStreamSize / m_aMemoHeader.db_size) + ((nStreamSize % m_aMemoHeader.db_size) > 0 ? 1 : 0); 2195 2196 // Schreiben der neuen Blocknummer 2197 m_pMemoStream->Seek(0L); 2198 (*m_pMemoStream) << m_aMemoHeader.db_next; 2199 m_pMemoStream->Flush(); 2200 } 2201 return sal_True; 2202 } 2203 2204 // ----------------------------------------------------------------------------- 2205 // XAlterTable 2206 void SAL_CALL ODbaseTable::alterColumnByName( const ::rtl::OUString& colName, const Reference< XPropertySet >& descriptor ) throw(SQLException, NoSuchElementException, RuntimeException) 2207 { 2208 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::alterColumnByName" ); 2209 ::osl::MutexGuard aGuard(m_aMutex); 2210 checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed); 2211 2212 2213 Reference<XDataDescriptorFactory> xOldColumn; 2214 m_pColumns->getByName(colName) >>= xOldColumn; 2215 2216 alterColumn(m_pColumns->findColumn(colName)-1,descriptor,xOldColumn); 2217 } 2218 // ------------------------------------------------------------------------- 2219 void SAL_CALL ODbaseTable::alterColumnByIndex( sal_Int32 index, const Reference< XPropertySet >& descriptor ) throw(SQLException, ::com::sun::star::lang::IndexOutOfBoundsException, RuntimeException) 2220 { 2221 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::alterColumnByIndex" ); 2222 ::osl::MutexGuard aGuard(m_aMutex); 2223 checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed); 2224 2225 if(index < 0 || index >= m_pColumns->getCount()) 2226 throw IndexOutOfBoundsException(::rtl::OUString::valueOf(index),*this); 2227 2228 Reference<XDataDescriptorFactory> xOldColumn; 2229 m_pColumns->getByIndex(index) >>= xOldColumn; 2230 alterColumn(index,descriptor,xOldColumn); 2231 } 2232 // ----------------------------------------------------------------------------- 2233 void ODbaseTable::alterColumn(sal_Int32 index, 2234 const Reference< XPropertySet >& descriptor , 2235 const Reference< XDataDescriptorFactory >& xOldColumn ) 2236 { 2237 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::alterColumn" ); 2238 if(index < 0 || index >= m_pColumns->getCount()) 2239 throw IndexOutOfBoundsException(::rtl::OUString::valueOf(index),*this); 2240 2241 ODbaseTable* pNewTable = NULL; 2242 try 2243 { 2244 OSL_ENSURE(descriptor.is(),"ODbaseTable::alterColumn: descriptor can not be null!"); 2245 // creates a copy of the the original column and copy all properties from descriptor in xCopyColumn 2246 Reference<XPropertySet> xCopyColumn; 2247 if(xOldColumn.is()) 2248 xCopyColumn = xOldColumn->createDataDescriptor(); 2249 else 2250 xCopyColumn = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()); 2251 2252 ::comphelper::copyProperties(descriptor,xCopyColumn); 2253 2254 // creates a temp file 2255 2256 String sTempName = createTempFile(); 2257 2258 pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection)); 2259 Reference<XPropertySet> xHoldTable = pNewTable; 2260 pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(::rtl::OUString(sTempName))); 2261 Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY); 2262 OSL_ENSURE(xAppend.is(),"ODbaseTable::alterColumn: No XAppend interface!"); 2263 2264 // copy the structure 2265 sal_Int32 i=0; 2266 for(;i < index;++i) 2267 { 2268 Reference<XPropertySet> xProp; 2269 m_pColumns->getByIndex(i) >>= xProp; 2270 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2271 Reference<XPropertySet> xCpy; 2272 if(xColumn.is()) 2273 xCpy = xColumn->createDataDescriptor(); 2274 else 2275 xCpy = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()); 2276 ::comphelper::copyProperties(xProp,xCpy); 2277 xAppend->appendByDescriptor(xCpy); 2278 } 2279 ++i; // now insert our new column 2280 xAppend->appendByDescriptor(xCopyColumn); 2281 2282 for(;i < m_pColumns->getCount();++i) 2283 { 2284 Reference<XPropertySet> xProp; 2285 m_pColumns->getByIndex(i) >>= xProp; 2286 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2287 Reference<XPropertySet> xCpy; 2288 if(xColumn.is()) 2289 xCpy = xColumn->createDataDescriptor(); 2290 else 2291 xCpy = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()); 2292 ::comphelper::copyProperties(xProp,xCpy); 2293 xAppend->appendByDescriptor(xCpy); 2294 } 2295 2296 // construct the new table 2297 if(!pNewTable->CreateImpl()) 2298 { 2299 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2300 STR_COLUMN_NOT_ALTERABLE, 2301 "$columnname$", ::comphelper::getString(descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))) 2302 ) ); 2303 ::dbtools::throwGenericSQLException( sError, *this ); 2304 } 2305 2306 pNewTable->construct(); 2307 2308 // copy the data 2309 copyData(pNewTable,0); 2310 2311 // now drop the old one 2312 if( DropImpl() ) // we don't want to delete the memo columns too 2313 { 2314 // rename the new one to the old one 2315 pNewTable->renameImpl(m_Name); 2316 // release the temp file 2317 pNewTable = NULL; 2318 ::comphelper::disposeComponent(xHoldTable); 2319 } 2320 else 2321 { 2322 pNewTable = NULL; 2323 } 2324 FileClose(); 2325 construct(); 2326 if(m_pColumns) 2327 m_pColumns->refresh(); 2328 2329 } 2330 catch(const SQLException&) 2331 { 2332 throw; 2333 } 2334 catch(const Exception&) 2335 { 2336 OSL_ENSURE(0,"ODbaseTable::alterColumn: Exception occured!"); 2337 throw; 2338 } 2339 } 2340 // ----------------------------------------------------------------------------- 2341 Reference< XDatabaseMetaData> ODbaseTable::getMetaData() const 2342 { 2343 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getMetaData" ); 2344 return getConnection()->getMetaData(); 2345 } 2346 // ------------------------------------------------------------------------- 2347 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) 2348 { 2349 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::rename" ); 2350 ::osl::MutexGuard aGuard(m_aMutex); 2351 checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed); 2352 if(m_pTables && m_pTables->hasByName(newName)) 2353 throw ElementExistException(newName,*this); 2354 2355 2356 renameImpl(newName); 2357 2358 ODbaseTable_BASE::rename(newName); 2359 2360 construct(); 2361 if(m_pColumns) 2362 m_pColumns->refresh(); 2363 } 2364 namespace 2365 { 2366 void renameFile(OConnection* _pConenction,const ::rtl::OUString& oldName, 2367 const ::rtl::OUString& newName,const String& _sExtension) 2368 { 2369 String aName = ODbaseTable::getEntry(_pConenction,oldName); 2370 if(!aName.Len()) 2371 { 2372 ::rtl::OUString aIdent = _pConenction->getContent()->getIdentifier()->getContentIdentifier(); 2373 if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) ) 2374 aIdent += ::rtl::OUString::createFromAscii("/"); 2375 aIdent += oldName; 2376 aName = aIdent; 2377 } 2378 INetURLObject aURL; 2379 aURL.SetURL(aName); 2380 2381 aURL.setExtension( _sExtension ); 2382 String sNewName(newName); 2383 sNewName.AppendAscii("."); 2384 sNewName += _sExtension; 2385 2386 try 2387 { 2388 Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>()); 2389 2390 Sequence< PropertyValue > aProps( 1 ); 2391 aProps[0].Name = ::rtl::OUString::createFromAscii("Title"); 2392 aProps[0].Handle = -1; // n/a 2393 aProps[0].Value = makeAny( ::rtl::OUString(sNewName) ); 2394 Sequence< Any > aValues; 2395 aContent.executeCommand( rtl::OUString::createFromAscii( "setPropertyValues" ),makeAny(aProps) ) >>= aValues; 2396 if(aValues.getLength() && aValues[0].hasValue()) 2397 throw Exception(); 2398 } 2399 catch(Exception&) 2400 { 2401 throw ElementExistException(newName,NULL); 2402 } 2403 } 2404 } 2405 // ------------------------------------------------------------------------- 2406 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) 2407 { 2408 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getEntry" ); 2409 ::osl::MutexGuard aGuard(m_aMutex); 2410 2411 FileClose(); 2412 2413 2414 renameFile(m_pConnection,m_Name,newName,m_pConnection->getExtension()); 2415 if ( HasMemoFields() ) 2416 { // delete the memo fields 2417 String sExt = String::CreateFromAscii("dbt"); 2418 renameFile(m_pConnection,m_Name,newName,sExt); 2419 } 2420 } 2421 // ----------------------------------------------------------------------------- 2422 void ODbaseTable::addColumn(const Reference< XPropertySet >& _xNewColumn) 2423 { 2424 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::addColumn" ); 2425 String sTempName = createTempFile(); 2426 2427 ODbaseTable* pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection)); 2428 Reference< XPropertySet > xHold = pNewTable; 2429 pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(::rtl::OUString(sTempName))); 2430 { 2431 Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY); 2432 sal_Bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers(); 2433 // copy the structure 2434 for(sal_Int32 i=0;i < m_pColumns->getCount();++i) 2435 { 2436 Reference<XPropertySet> xProp; 2437 m_pColumns->getByIndex(i) >>= xProp; 2438 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2439 Reference<XPropertySet> xCpy; 2440 if(xColumn.is()) 2441 xCpy = xColumn->createDataDescriptor(); 2442 else 2443 { 2444 xCpy = new OColumn(bCase); 2445 ::comphelper::copyProperties(xProp,xCpy); 2446 } 2447 2448 xAppend->appendByDescriptor(xCpy); 2449 } 2450 Reference<XPropertySet> xCpy = new OColumn(bCase); 2451 ::comphelper::copyProperties(_xNewColumn,xCpy); 2452 xAppend->appendByDescriptor(xCpy); 2453 } 2454 2455 // construct the new table 2456 if(!pNewTable->CreateImpl()) 2457 { 2458 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2459 STR_COLUMN_NOT_ADDABLE, 2460 "$columnname$", ::comphelper::getString(_xNewColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))) 2461 ) ); 2462 ::dbtools::throwGenericSQLException( sError, *this ); 2463 } 2464 2465 sal_Bool bAlreadyDroped = sal_False; 2466 try 2467 { 2468 pNewTable->construct(); 2469 // copy the data 2470 copyData(pNewTable,pNewTable->m_pColumns->getCount()); 2471 // drop the old table 2472 if(DropImpl()) 2473 { 2474 bAlreadyDroped = sal_True; 2475 pNewTable->renameImpl(m_Name); 2476 // release the temp file 2477 } 2478 xHold = pNewTable = NULL; 2479 2480 FileClose(); 2481 construct(); 2482 if(m_pColumns) 2483 m_pColumns->refresh(); 2484 } 2485 catch(const SQLException&) 2486 { 2487 // here we know that the old table wasn't droped before 2488 if(!bAlreadyDroped) 2489 xHold = pNewTable = NULL; 2490 2491 throw; 2492 } 2493 } 2494 // ----------------------------------------------------------------------------- 2495 void ODbaseTable::dropColumn(sal_Int32 _nPos) 2496 { 2497 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::dropColumn" ); 2498 String sTempName = createTempFile(); 2499 2500 ODbaseTable* pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection)); 2501 Reference< XPropertySet > xHold = pNewTable; 2502 pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(::rtl::OUString(sTempName))); 2503 { 2504 Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY); 2505 sal_Bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers(); 2506 // copy the structure 2507 for(sal_Int32 i=0;i < m_pColumns->getCount();++i) 2508 { 2509 if(_nPos != i) 2510 { 2511 Reference<XPropertySet> xProp; 2512 m_pColumns->getByIndex(i) >>= xProp; 2513 Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY); 2514 Reference<XPropertySet> xCpy; 2515 if(xColumn.is()) 2516 xCpy = xColumn->createDataDescriptor(); 2517 else 2518 { 2519 xCpy = new OColumn(bCase); 2520 ::comphelper::copyProperties(xProp,xCpy); 2521 } 2522 xAppend->appendByDescriptor(xCpy); 2523 } 2524 } 2525 } 2526 2527 // construct the new table 2528 if(!pNewTable->CreateImpl()) 2529 { 2530 xHold = pNewTable = NULL; 2531 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2532 STR_COLUMN_NOT_DROP, 2533 "$position$", ::rtl::OUString::valueOf(_nPos) 2534 ) ); 2535 ::dbtools::throwGenericSQLException( sError, *this ); 2536 } 2537 pNewTable->construct(); 2538 // copy the data 2539 copyData(pNewTable,_nPos); 2540 // drop the old table 2541 if(DropImpl()) 2542 pNewTable->renameImpl(m_Name); 2543 // release the temp file 2544 2545 xHold = pNewTable = NULL; 2546 2547 FileClose(); 2548 construct(); 2549 } 2550 // ----------------------------------------------------------------------------- 2551 String ODbaseTable::createTempFile() 2552 { 2553 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::createTempFile" ); 2554 ::rtl::OUString aIdent = m_pConnection->getContent()->getIdentifier()->getContentIdentifier(); 2555 if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) ) 2556 aIdent += ::rtl::OUString::createFromAscii("/"); 2557 String sTempName(aIdent); 2558 String sExt; 2559 sExt.AssignAscii("."); 2560 sExt += m_pConnection->getExtension(); 2561 2562 String sName(m_Name); 2563 TempFile aTempFile(sName,&sExt,&sTempName); 2564 if(!aTempFile.IsValid()) 2565 getConnection()->throwGenericSQLException(STR_COULD_NOT_ALTER_TABLE,*this); 2566 2567 INetURLObject aURL; 2568 aURL.SetSmartProtocol(INET_PROT_FILE); 2569 aURL.SetURL(aTempFile.GetURL()); 2570 2571 String sNewName(aURL.getName()); 2572 sNewName.Erase(sNewName.Len() - sExt.Len()); 2573 return sNewName; 2574 } 2575 // ----------------------------------------------------------------------------- 2576 void ODbaseTable::copyData(ODbaseTable* _pNewTable,sal_Int32 _nPos) 2577 { 2578 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::copyData" ); 2579 sal_Int32 nPos = _nPos + 1; // +1 because we always have the bookmark clumn as well 2580 OValueRefRow aRow = new OValueRefVector(m_pColumns->getCount()); 2581 OValueRefRow aInsertRow; 2582 if(_nPos) 2583 { 2584 aInsertRow = new OValueRefVector(_pNewTable->m_pColumns->getCount()); 2585 ::std::for_each(aInsertRow->get().begin(),aInsertRow->get().end(),TSetRefBound(sal_True)); 2586 } 2587 else 2588 aInsertRow = aRow; 2589 2590 // we only have to bind the values which we need to copy into the new table 2591 ::std::for_each(aRow->get().begin(),aRow->get().end(),TSetRefBound(sal_True)); 2592 if(_nPos && (_nPos < (sal_Int32)aRow->get().size())) 2593 (aRow->get())[nPos]->setBound(sal_False); 2594 2595 2596 sal_Bool bOk = sal_True; 2597 sal_Int32 nCurPos; 2598 OValueRefVector::Vector::iterator aIter; 2599 for(sal_uInt32 nRowPos = 0; nRowPos < m_aHeader.db_anz;++nRowPos) 2600 { 2601 bOk = seekRow( IResultSetHelper::BOOKMARK, nRowPos+1, nCurPos ); 2602 if ( bOk ) 2603 { 2604 bOk = fetchRow( aRow, m_aColumns.getBody(), sal_True, sal_True); 2605 if ( bOk && !aRow->isDeleted() ) // copy only not deleted rows 2606 { 2607 // special handling when pos == 0 then we don't have to distinguish between the two rows 2608 if(_nPos) 2609 { 2610 aIter = aRow->get().begin()+1; 2611 sal_Int32 nCount = 1; 2612 for(OValueRefVector::Vector::iterator aInsertIter = aInsertRow->get().begin()+1; aIter != aRow->get().end() && aInsertIter != aInsertRow->get().end();++aIter,++nCount) 2613 { 2614 if(nPos != nCount) 2615 { 2616 (*aInsertIter)->setValue( (*aIter)->getValue() ); 2617 ++aInsertIter; 2618 } 2619 } 2620 } 2621 bOk = _pNewTable->InsertRow(*aInsertRow,sal_True,_pNewTable->m_pColumns); 2622 OSL_ENSURE(bOk,"Row could not be inserted!"); 2623 } 2624 else 2625 OSL_ENSURE(bOk,"Row could not be fetched!"); 2626 } 2627 else 2628 { 2629 OSL_ASSERT(0); 2630 } 2631 } // for(sal_uInt32 nRowPos = 0; nRowPos < m_aHeader.db_anz;++nRowPos) 2632 } 2633 // ----------------------------------------------------------------------------- 2634 void ODbaseTable::throwInvalidDbaseFormat() 2635 { 2636 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::throwInvalidDbaseFormat" ); 2637 FileClose(); 2638 // no dbase file 2639 2640 const ::rtl::OUString sError( getConnection()->getResources().getResourceStringWithSubstitution( 2641 STR_INVALID_DBASE_FILE, 2642 "$filename$", getEntry(m_pConnection,m_Name) 2643 ) ); 2644 ::dbtools::throwGenericSQLException( sError, *this ); 2645 } 2646 // ----------------------------------------------------------------------------- 2647 void ODbaseTable::refreshHeader() 2648 { 2649 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::refreshHeader" ); 2650 if ( m_aHeader.db_anz == 0 ) 2651 readHeader(); 2652 } 2653 //------------------------------------------------------------------ 2654 sal_Bool ODbaseTable::seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos) 2655 { 2656 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::seekRow" ); 2657 // ---------------------------------------------------------- 2658 // Positionierung vorbereiten: 2659 OSL_ENSURE(m_pFileStream,"ODbaseTable::seekRow: FileStream is NULL!"); 2660 2661 sal_uInt32 nNumberOfRecords = (sal_uInt32)m_aHeader.db_anz; 2662 sal_uInt32 nTempPos = m_nFilePos; 2663 m_nFilePos = nCurPos; 2664 2665 switch(eCursorPosition) 2666 { 2667 case IResultSetHelper::NEXT: 2668 ++m_nFilePos; 2669 break; 2670 case IResultSetHelper::PRIOR: 2671 if (m_nFilePos > 0) 2672 --m_nFilePos; 2673 break; 2674 case IResultSetHelper::FIRST: 2675 m_nFilePos = 1; 2676 break; 2677 case IResultSetHelper::LAST: 2678 m_nFilePos = nNumberOfRecords; 2679 break; 2680 case IResultSetHelper::RELATIVE: 2681 m_nFilePos = (((sal_Int32)m_nFilePos) + nOffset < 0) ? 0L 2682 : (sal_uInt32)(((sal_Int32)m_nFilePos) + nOffset); 2683 break; 2684 case IResultSetHelper::ABSOLUTE: 2685 case IResultSetHelper::BOOKMARK: 2686 m_nFilePos = (sal_uInt32)nOffset; 2687 break; 2688 } 2689 2690 if (m_nFilePos > (sal_Int32)nNumberOfRecords) 2691 m_nFilePos = (sal_Int32)nNumberOfRecords + 1; 2692 2693 if (m_nFilePos == 0 || m_nFilePos == (sal_Int32)nNumberOfRecords + 1) 2694 goto Error; 2695 else 2696 { 2697 sal_uInt16 nEntryLen = m_aHeader.db_slng; 2698 2699 OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position"); 2700 sal_Int32 nPos = m_aHeader.db_kopf + (sal_Int32)(m_nFilePos-1) * nEntryLen; 2701 2702 sal_uIntPtr nLen = m_pFileStream->Seek(nPos); 2703 if (m_pFileStream->GetError() != ERRCODE_NONE) 2704 goto Error; 2705 2706 nLen = m_pFileStream->Read((char*)m_pBuffer, nEntryLen); 2707 if (m_pFileStream->GetError() != ERRCODE_NONE) 2708 goto Error; 2709 } 2710 goto End; 2711 2712 Error: 2713 switch(eCursorPosition) 2714 { 2715 case IResultSetHelper::PRIOR: 2716 case IResultSetHelper::FIRST: 2717 m_nFilePos = 0; 2718 break; 2719 case IResultSetHelper::LAST: 2720 case IResultSetHelper::NEXT: 2721 case IResultSetHelper::ABSOLUTE: 2722 case IResultSetHelper::RELATIVE: 2723 if (nOffset > 0) 2724 m_nFilePos = nNumberOfRecords + 1; 2725 else if (nOffset < 0) 2726 m_nFilePos = 0; 2727 break; 2728 case IResultSetHelper::BOOKMARK: 2729 m_nFilePos = nTempPos; // vorherige Position 2730 } 2731 // aStatus.Set(SDB_STAT_NO_DATA_FOUND); 2732 return sal_False; 2733 2734 End: 2735 nCurPos = m_nFilePos; 2736 return sal_True; 2737 } 2738 // ----------------------------------------------------------------------------- 2739 sal_Bool ODbaseTable::ReadMemo(sal_uIntPtr nBlockNo, ORowSetValue& aVariable) 2740 { 2741 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::ReadMemo" ); 2742 sal_Bool bIsText = sal_True; 2743 // SdbConnection* pConnection = GetConnection(); 2744 2745 m_pMemoStream->Seek(nBlockNo * m_aMemoHeader.db_size); 2746 switch (m_aMemoHeader.db_typ) 2747 { 2748 case MemodBaseIII: // dBase III-Memofeld, endet mit Ctrl-Z 2749 { 2750 const char cEOF = (char) DBF_EOL; 2751 ByteString aBStr; 2752 static char aBuf[514]; 2753 aBuf[512] = 0; // sonst kann der Zufall uebel mitspielen 2754 sal_Bool bReady = sal_False; 2755 2756 do 2757 { 2758 m_pMemoStream->Read(&aBuf,512); 2759 2760 sal_uInt16 i = 0; 2761 while (aBuf[i] != cEOF && ++i < 512) 2762 ; 2763 bReady = aBuf[i] == cEOF; 2764 2765 aBuf[i] = 0; 2766 aBStr += aBuf; 2767 2768 } while (!bReady && !m_pMemoStream->IsEof() && aBStr.Len() < STRING_MAXLEN); 2769 2770 ::rtl::OUString aStr(aBStr.GetBuffer(), aBStr.Len(),m_eEncoding); 2771 aVariable = aStr; 2772 2773 } break; 2774 case MemoFoxPro: 2775 case MemodBaseIV: // dBase IV-Memofeld mit Laengenangabe 2776 { 2777 char sHeader[4]; 2778 m_pMemoStream->Read(sHeader,4); 2779 // Foxpro stores text and binary data 2780 if (m_aMemoHeader.db_typ == MemoFoxPro) 2781 { 2782 // if (((sal_uInt8)sHeader[0]) != 0 || ((sal_uInt8)sHeader[1]) != 0 || ((sal_uInt8)sHeader[2]) != 0) 2783 // { 2784 //// String aText = String(SdbResId(STR_STAT_IResultSetHelper::INVALID)); 2785 //// aText.SearchAndReplace(String::CreateFromAscii("%%d"),m_pMemoStream->GetFileName()); 2786 //// aText.SearchAndReplace(String::CreateFromAscii("%%t"),aStatus.TypeToString(MEMO)); 2787 //// aStatus.Set(SDB_STAT_ERROR, 2788 //// String::CreateFromAscii("01000"), 2789 //// aStatus.CreateErrorMessage(aText), 2790 //// 0, String() ); 2791 // return sal_False; 2792 // } 2793 // 2794 bIsText = sHeader[3] != 0; 2795 } 2796 else if (((sal_uInt8)sHeader[0]) != 0xFF || ((sal_uInt8)sHeader[1]) != 0xFF || ((sal_uInt8)sHeader[2]) != 0x08) 2797 { 2798 // String aText = String(SdbResId(STR_STAT_IResultSetHelper::INVALID)); 2799 // aText.SearchAndReplace(String::CreateFromAscii("%%d"),m_pMemoStream->GetFileName()); 2800 // aText.SearchAndReplace(String::CreateFromAscii("%%t"),aStatus.TypeToString(MEMO)); 2801 // aStatus.Set(SDB_STAT_ERROR, 2802 // String::CreateFromAscii("01000"), 2803 // aStatus.CreateErrorMessage(aText), 2804 // 0, String() ); 2805 return sal_False; 2806 } 2807 2808 sal_uInt32 nLength(0); 2809 (*m_pMemoStream) >> nLength; 2810 2811 if (m_aMemoHeader.db_typ == MemodBaseIV) 2812 nLength -= 8; 2813 2814 if ( nLength ) 2815 { 2816 if ( bIsText ) 2817 { 2818 // char cChar; 2819 ::rtl::OUStringBuffer aStr; 2820 while ( nLength > STRING_MAXLEN ) 2821 { 2822 ByteString aBStr; 2823 aBStr.Expand(STRING_MAXLEN); 2824 m_pMemoStream->Read(aBStr.AllocBuffer(STRING_MAXLEN),STRING_MAXLEN); 2825 aStr.append(::rtl::OUString(aBStr.GetBuffer(),aBStr.Len(), m_eEncoding)); 2826 nLength -= STRING_MAXLEN; 2827 } 2828 if ( nLength > 0 ) 2829 { 2830 ByteString aBStr; 2831 aBStr.Expand(static_cast<xub_StrLen>(nLength)); 2832 m_pMemoStream->Read(aBStr.AllocBuffer(static_cast<xub_StrLen>(nLength)),nLength); 2833 // aBStr.ReleaseBufferAccess(); 2834 aStr.append(::rtl::OUString(aBStr.GetBuffer(),aBStr.Len(), m_eEncoding)); 2835 } 2836 if ( aStr.getLength() ) 2837 aVariable = aStr.makeStringAndClear(); 2838 } // if ( bIsText ) 2839 else 2840 { 2841 ::com::sun::star::uno::Sequence< sal_Int8 > aData(nLength); 2842 m_pMemoStream->Read(aData.getArray(),nLength); 2843 aVariable = aData; 2844 } 2845 } // if ( nLength ) 2846 } 2847 } 2848 return sal_True; 2849 } 2850 // ----------------------------------------------------------------------------- 2851 void ODbaseTable::AllocBuffer() 2852 { 2853 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::AllocBuffer" ); 2854 sal_uInt16 nSize = m_aHeader.db_slng; 2855 OSL_ENSURE(nSize > 0, "Size too small"); 2856 2857 if (m_nBufferSize != nSize) 2858 { 2859 delete m_pBuffer; 2860 m_pBuffer = NULL; 2861 } 2862 2863 // Falls noch kein Puffer vorhanden: allozieren: 2864 if (m_pBuffer == NULL && nSize > 0) 2865 { 2866 m_nBufferSize = nSize; 2867 m_pBuffer = new sal_uInt8[m_nBufferSize+1]; 2868 } 2869 } 2870 // ----------------------------------------------------------------------------- 2871 sal_Bool ODbaseTable::WriteBuffer() 2872 { 2873 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::WriteBuffer" ); 2874 OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position"); 2875 2876 // Auf gewuenschten Record positionieren: 2877 long nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng; 2878 m_pFileStream->Seek(nPos); 2879 return m_pFileStream->Write((char*) m_pBuffer, m_aHeader.db_slng) > 0; 2880 } 2881 // ----------------------------------------------------------------------------- 2882 sal_Int32 ODbaseTable::getCurrentLastPos() const 2883 { 2884 RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getCurrentLastPos" ); 2885 return m_aHeader.db_anz; 2886 } 2887