Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "dbase/DTable.hxx"
21 : #include <com/sun/star/sdbc/ColumnValue.hpp>
22 : #include <com/sun/star/sdbc/DataType.hpp>
23 : #include <com/sun/star/ucb/XContentAccess.hpp>
24 : #include <com/sun/star/sdbc/XRow.hpp>
25 : #include <svl/converter.hxx>
26 : #include "dbase/DConnection.hxx"
27 : #include "dbase/DColumns.hxx"
28 : #include <osl/thread.h>
29 : #include <tools/config.hxx>
30 : #include "dbase/DIndex.hxx"
31 : #include "dbase/DIndexes.hxx"
32 : #include <comphelper/processfactory.hxx>
33 : #include <comphelper/sequence.hxx>
34 : #include <svl/zforlist.hxx>
35 : #include <unotools/syslocale.hxx>
36 : #include <rtl/math.hxx>
37 : #include <ucbhelper/content.hxx>
38 : #include <connectivity/dbexception.hxx>
39 : #include <com/sun/star/lang/DisposedException.hpp>
40 : #include <comphelper/property.hxx>
41 : #include <comphelper/string.hxx>
42 : #include <unotools/tempfile.hxx>
43 : #include <unotools/ucbhelper.hxx>
44 : #include <comphelper/types.hxx>
45 : #include <cppuhelper/exc_hlp.hxx>
46 : #include <cppuhelper/queryinterface.hxx>
47 : #include <connectivity/PColumn.hxx>
48 : #include <connectivity/dbtools.hxx>
49 : #include <connectivity/FValue.hxx>
50 : #include <connectivity/dbconversion.hxx>
51 : #include "resource/dbase_res.hrc"
52 : #include <rtl/strbuf.hxx>
53 :
54 : #include <algorithm>
55 :
56 : using namespace ::comphelper;
57 : using namespace connectivity;
58 : using namespace connectivity::sdbcx;
59 : using namespace connectivity::dbase;
60 : using namespace connectivity::file;
61 : using namespace ::ucbhelper;
62 : using namespace ::utl;
63 : using namespace ::cppu;
64 : using namespace ::dbtools;
65 : using namespace ::com::sun::star::uno;
66 : using namespace ::com::sun::star::ucb;
67 : using namespace ::com::sun::star::beans;
68 : using namespace ::com::sun::star::sdbcx;
69 : using namespace ::com::sun::star::sdbc;
70 : using namespace ::com::sun::star::container;
71 : using namespace ::com::sun::star::lang;
72 : using namespace ::com::sun::star::i18n;
73 :
74 : // stored as the Field Descriptor terminator
75 : #define FIELD_DESCRIPTOR_TERMINATOR 0x0D
76 : #define DBF_EOL 0x1A
77 :
78 : namespace
79 : {
80 16 : sal_Size lcl_getFileSize(SvStream& _rStream)
81 : {
82 16 : sal_Size nFileSize = 0;
83 16 : _rStream.Seek(STREAM_SEEK_TO_END);
84 16 : _rStream.SeekRel(-1);
85 : char cEOL;
86 16 : _rStream.ReadChar( cEOL );
87 16 : nFileSize = _rStream.Tell();
88 16 : if ( cEOL == DBF_EOL )
89 8 : nFileSize -= 1;
90 16 : return nFileSize;
91 : }
92 : /**
93 : calculates the Julian date
94 : */
95 0 : void lcl_CalcJulDate(sal_Int32& _nJulianDate,sal_Int32& _nJulianTime, const com::sun::star::util::DateTime& rDateTime)
96 : {
97 0 : com::sun::star::util::DateTime aDateTime = rDateTime;
98 : // weird: months fix
99 0 : if (aDateTime.Month > 12)
100 : {
101 0 : aDateTime.Month--;
102 0 : sal_uInt16 delta = rDateTime.Month / 12;
103 0 : aDateTime.Year += delta;
104 0 : aDateTime.Month -= delta * 12;
105 0 : aDateTime.Month++;
106 : }
107 :
108 0 : _nJulianTime = ((aDateTime.Hours*3600000)+(aDateTime.Minutes*60000)+(aDateTime.Seconds*1000)+(aDateTime.NanoSeconds/1000000));
109 : /* conversion factors */
110 : sal_uInt16 iy0;
111 : sal_uInt16 im0;
112 0 : if ( aDateTime.Month <= 2 )
113 : {
114 0 : iy0 = aDateTime.Year - 1;
115 0 : im0 = aDateTime.Month + 12;
116 : }
117 : else
118 : {
119 0 : iy0 = aDateTime.Year;
120 0 : im0 = aDateTime.Month;
121 : }
122 0 : sal_Int32 ia = iy0 / 100;
123 0 : sal_Int32 ib = 2 - ia + (ia >> 2);
124 : /* calculate julian date */
125 0 : if ( aDateTime.Year <= 0 )
126 : {
127 0 : _nJulianDate = (sal_Int32) ((365.25 * iy0) - 0.75)
128 0 : + (sal_Int32) (30.6001 * (im0 + 1) )
129 0 : + aDateTime.Day + 1720994;
130 : } // if ( rDateTime.Year <= 0 )
131 : else
132 : {
133 0 : _nJulianDate = static_cast<sal_Int32>( ((365.25 * iy0)
134 0 : + (sal_Int32) (30.6001 * (im0 + 1))
135 0 : + aDateTime.Day + 1720994));
136 : }
137 0 : double JD = _nJulianDate + 0.5;
138 0 : _nJulianDate = (sal_Int32)( JD + 0.5);
139 0 : const double gyr = aDateTime.Year + (0.01 * aDateTime.Month) + (0.0001 * aDateTime.Day);
140 0 : if ( gyr >= 1582.1015 ) /* on or after 15 October 1582 */
141 0 : _nJulianDate += ib;
142 0 : }
143 :
144 : /**
145 : calculates date time from the Julian Date
146 : */
147 0 : void lcl_CalDate(sal_Int32 _nJulianDate,sal_Int32 _nJulianTime,com::sun::star::util::DateTime& _rDateTime)
148 : {
149 0 : if ( _nJulianDate )
150 : {
151 : sal_Int32 ialp;
152 0 : sal_Int32 ka = _nJulianDate;
153 0 : if ( _nJulianDate >= 2299161 )
154 : {
155 0 : ialp = (sal_Int32)( ((double) _nJulianDate - 1867216.25 ) / ( 36524.25 ));
156 0 : ka = _nJulianDate + 1 + ialp - ( ialp >> 2 );
157 : }
158 0 : sal_Int32 kb = ka + 1524;
159 0 : sal_Int32 kc = (sal_Int32) ( ((double) kb - 122.1 ) / 365.25 );
160 0 : sal_Int32 kd = (sal_Int32) ((double) kc * 365.25);
161 0 : sal_Int32 ke = (sal_Int32) ((double) ( kb - kd ) / 30.6001 );
162 0 : _rDateTime.Day = static_cast<sal_uInt16>(kb - kd - ((sal_Int32) ( (double) ke * 30.6001 )));
163 0 : if ( ke > 13 )
164 0 : _rDateTime.Month = static_cast<sal_uInt16>(ke - 13);
165 : else
166 0 : _rDateTime.Month = static_cast<sal_uInt16>(ke - 1);
167 0 : if ( (_rDateTime.Month == 2) && (_rDateTime.Day > 28) )
168 0 : _rDateTime.Day = 29;
169 0 : if ( (_rDateTime.Month == 2) && (_rDateTime.Day == 29) && (ke == 3) )
170 0 : _rDateTime.Year = static_cast<sal_uInt16>(kc - 4716);
171 0 : else if ( _rDateTime.Month > 2 )
172 0 : _rDateTime.Year = static_cast<sal_uInt16>(kc - 4716);
173 : else
174 0 : _rDateTime.Year = static_cast<sal_uInt16>(kc - 4715);
175 : }
176 :
177 0 : if ( _nJulianTime )
178 : {
179 0 : double d_s = _nJulianTime / 1000.0;
180 0 : double d_m = d_s / 60.0;
181 0 : double d_h = d_m / 60.0;
182 0 : _rDateTime.Hours = (sal_uInt16) (d_h);
183 0 : _rDateTime.Minutes = (sal_uInt16) d_m;
184 0 : _rDateTime.Seconds = static_cast<sal_uInt16>(( d_m - (double) _rDateTime.Minutes ) * 60.0);
185 : }
186 0 : }
187 :
188 : }
189 :
190 :
191 15 : void ODbaseTable::readHeader()
192 : {
193 : OSL_ENSURE(m_pFileStream,"No Stream available!");
194 15 : if(!m_pFileStream)
195 15 : return;
196 15 : m_pFileStream->RefreshBuffer(); // Make sure, that the header information actually is read again
197 15 : m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN);
198 :
199 15 : sal_uInt8 nType=0;
200 15 : (*m_pFileStream).ReadUChar( nType );
201 15 : if(ERRCODE_NONE != m_pFileStream->GetErrorCode())
202 0 : throwInvalidDbaseFormat();
203 :
204 15 : m_pFileStream->Read(m_aHeader.db_aedat, 3*sizeof(sal_uInt8));
205 15 : if(ERRCODE_NONE != m_pFileStream->GetErrorCode())
206 0 : throwInvalidDbaseFormat();
207 15 : (*m_pFileStream).ReadUInt32( m_aHeader.db_anz );
208 15 : if(ERRCODE_NONE != m_pFileStream->GetErrorCode())
209 0 : throwInvalidDbaseFormat();
210 15 : (*m_pFileStream).ReadUInt16( m_aHeader.db_kopf );
211 15 : if(ERRCODE_NONE != m_pFileStream->GetErrorCode())
212 0 : throwInvalidDbaseFormat();
213 15 : (*m_pFileStream).ReadUInt16( m_aHeader.db_slng );
214 15 : if(ERRCODE_NONE != m_pFileStream->GetErrorCode())
215 0 : throwInvalidDbaseFormat();
216 15 : if (m_aHeader.db_slng == 0)
217 0 : throwInvalidDbaseFormat();
218 15 : m_pFileStream->Read(m_aHeader.db_frei, 20*sizeof(sal_uInt8));
219 15 : if(ERRCODE_NONE != m_pFileStream->GetErrorCode())
220 0 : throwInvalidDbaseFormat();
221 :
222 15 : if ( ( ( m_aHeader.db_kopf - 1 ) / 32 - 1 ) <= 0 ) // number of fields
223 : {
224 : // no dbase file
225 0 : throwInvalidDbaseFormat();
226 : }
227 : else
228 : {
229 : // Consistency check of the header:
230 15 : m_aHeader.db_typ = (DBFType)nType;
231 15 : switch (m_aHeader.db_typ)
232 : {
233 : case dBaseIII:
234 : case dBaseIV:
235 : case dBaseV:
236 : case VisualFoxPro:
237 : case VisualFoxProAuto:
238 : case dBaseFS:
239 : case dBaseFSMemo:
240 : case dBaseIVMemoSQL:
241 : case dBaseIIIMemo:
242 : case FoxProMemo:
243 15 : m_pFileStream->SetEndian(SvStreamEndian::LITTLE);
244 30 : if ( m_aHeader.db_frei[17] != 0x00
245 15 : && !m_aHeader.db_frei[18] && !m_aHeader.db_frei[19] && getConnection()->isTextEncodingDefaulted() )
246 : {
247 0 : switch(m_aHeader.db_frei[17])
248 : {
249 0 : case 0x01: m_eEncoding = RTL_TEXTENCODING_IBM_437; break; // DOS USA code page 437
250 0 : case 0x02: m_eEncoding = RTL_TEXTENCODING_IBM_850; break; // DOS Multilingual code page 850
251 0 : case 0x03: m_eEncoding = RTL_TEXTENCODING_MS_1252; break; // Windows ANSI code page 1252
252 0 : case 0x04: m_eEncoding = RTL_TEXTENCODING_APPLE_ROMAN; break; // Standard Macintosh
253 0 : case 0x64: m_eEncoding = RTL_TEXTENCODING_IBM_852; break; // EE MS-DOS code page 852
254 0 : case 0x65: m_eEncoding = RTL_TEXTENCODING_IBM_865; break; // Nordic MS-DOS code page 865
255 0 : case 0x66: m_eEncoding = RTL_TEXTENCODING_IBM_866; break; // Russian MS-DOS code page 866
256 0 : case 0x67: m_eEncoding = RTL_TEXTENCODING_IBM_861; break; // Icelandic MS-DOS
257 : //case 0x68: m_eEncoding = ; break; // Kamenicky (Czech) MS-DOS
258 : //case 0x69: m_eEncoding = ; break; // Mazovia (Polish) MS-DOS
259 0 : case 0x6A: m_eEncoding = RTL_TEXTENCODING_IBM_737; break; // Greek MS-DOS (437G)
260 0 : case 0x6B: m_eEncoding = RTL_TEXTENCODING_IBM_857; break; // Turkish MS-DOS
261 0 : case 0x6C: m_eEncoding = RTL_TEXTENCODING_IBM_863; break; // MS-DOS, Canada
262 0 : case 0x78: m_eEncoding = RTL_TEXTENCODING_MS_950; break; // Windows, Traditional Chinese
263 0 : case 0x79: m_eEncoding = RTL_TEXTENCODING_MS_949; break; // Windows, Korean (Hangul)
264 0 : case 0x7A: m_eEncoding = RTL_TEXTENCODING_MS_936; break; // Windows, Simplified Chinese
265 0 : case 0x7B: m_eEncoding = RTL_TEXTENCODING_MS_932; break; // Windows, Japanese (Shift-jis)
266 0 : case 0x7C: m_eEncoding = RTL_TEXTENCODING_MS_874; break; // Windows, Thai
267 0 : case 0x7D: m_eEncoding = RTL_TEXTENCODING_MS_1255; break; // Windows, Hebrew
268 0 : case 0x7E: m_eEncoding = RTL_TEXTENCODING_MS_1256; break; // Windows, Arabic
269 0 : case 0x96: m_eEncoding = RTL_TEXTENCODING_APPLE_CYRILLIC; break; // Russian Macintosh
270 0 : case 0x97: m_eEncoding = RTL_TEXTENCODING_APPLE_CENTEURO; break; // Eastern European Macintosh
271 0 : case 0x98: m_eEncoding = RTL_TEXTENCODING_APPLE_GREEK; break; // Greek Macintosh
272 0 : case 0xC8: m_eEncoding = RTL_TEXTENCODING_MS_1250; break; // Windows EE code page 1250
273 0 : case 0xC9: m_eEncoding = RTL_TEXTENCODING_MS_1251; break; // Russian Windows
274 0 : case 0xCA: m_eEncoding = RTL_TEXTENCODING_MS_1254; break; // Turkish Windows
275 0 : case 0xCB: m_eEncoding = RTL_TEXTENCODING_MS_1253; break; // Greek Windows
276 0 : case 0xCC: m_eEncoding = RTL_TEXTENCODING_MS_1257; break; // Windows, Baltic
277 : default:
278 : // Default Encoding
279 0 : m_eEncoding = RTL_TEXTENCODING_IBM_850;
280 0 : break;
281 : }
282 : }
283 15 : break;
284 : case dBaseIVMemo:
285 0 : m_pFileStream->SetEndian(SvStreamEndian::LITTLE);
286 0 : break;
287 : default:
288 : {
289 0 : throwInvalidDbaseFormat();
290 : }
291 : }
292 : }
293 : }
294 :
295 15 : void ODbaseTable::fillColumns()
296 : {
297 15 : m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN);
298 15 : m_pFileStream->Seek(32L);
299 :
300 15 : if(!m_aColumns.is())
301 0 : m_aColumns = new OSQLColumns();
302 : else
303 15 : m_aColumns->get().clear();
304 :
305 15 : m_aTypes.clear();
306 15 : m_aPrecisions.clear();
307 15 : m_aScales.clear();
308 :
309 : // Number of fields:
310 15 : const sal_Int32 nFieldCount = (m_aHeader.db_kopf - 1) / 32 - 1;
311 : OSL_ENSURE(nFieldCount,"No columns in table!");
312 :
313 15 : m_aColumns->get().reserve(nFieldCount);
314 15 : m_aTypes.reserve(nFieldCount);
315 15 : m_aPrecisions.reserve(nFieldCount);
316 15 : m_aScales.reserve(nFieldCount);
317 :
318 15 : OUString aTypeName;
319 15 : const bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers();
320 15 : const bool bFoxPro = m_aHeader.db_typ == VisualFoxPro || m_aHeader.db_typ == VisualFoxProAuto || m_aHeader.db_typ == FoxProMemo;
321 :
322 15 : sal_Int32 i = 0;
323 640 : for (; i < nFieldCount; i++)
324 : {
325 : DBFColumn aDBFColumn;
326 305 : sal_Size nRead = m_pFileStream->Read(&aDBFColumn, sizeof(aDBFColumn));
327 305 : if (nRead != sizeof(aDBFColumn))
328 : {
329 : SAL_WARN("connectivity.drivers", "ODbaseTable::fillColumns: short read!");
330 0 : break;
331 : }
332 305 : if ( FIELD_DESCRIPTOR_TERMINATOR == aDBFColumn.db_fnm[0] ) // 0x0D stored as the Field Descriptor terminator.
333 0 : break;
334 :
335 305 : aDBFColumn.db_fnm[sizeof(aDBFColumn.db_fnm)-1] = 0; //ensure null termination for broken input
336 305 : const OUString aColumnName(reinterpret_cast<char *>(aDBFColumn.db_fnm), strlen(reinterpret_cast<char *>(aDBFColumn.db_fnm)), m_eEncoding);
337 :
338 305 : bool bIsRowVersion = bFoxPro && ( aDBFColumn.db_frei2[0] & 0x01 ) == 0x01;
339 :
340 305 : m_aRealFieldLengths.push_back(aDBFColumn.db_flng);
341 305 : sal_Int32 nPrecision = aDBFColumn.db_flng;
342 : sal_Int32 eType;
343 305 : bool bIsCurrency = false;
344 :
345 : char cType[2];
346 305 : cType[0] = aDBFColumn.db_typ;
347 305 : cType[1] = 0;
348 305 : aTypeName = OUString::createFromAscii(cType);
349 : SAL_INFO( "connectivity.drivers","column type: " << aDBFColumn.db_typ);
350 :
351 305 : switch (aDBFColumn.db_typ)
352 : {
353 : case 'C':
354 106 : eType = DataType::VARCHAR;
355 106 : aTypeName = "VARCHAR";
356 106 : break;
357 : case 'F':
358 : case 'N':
359 40 : aTypeName = "DECIMAL";
360 40 : if ( aDBFColumn.db_typ == 'N' )
361 40 : aTypeName = "NUMERIC";
362 40 : eType = DataType::DECIMAL;
363 :
364 : // for numeric fields two characters more are written, than the precision of the column description predescribes,
365 : // to keep room for the possible sign and the comma. This has to be considered...
366 40 : nPrecision = SvDbaseConverter::ConvertPrecisionToOdbc(nPrecision,aDBFColumn.db_dez);
367 : // This is not true for older versions ....
368 40 : break;
369 : case 'L':
370 8 : eType = DataType::BIT;
371 8 : aTypeName = "BOOLEAN";
372 8 : break;
373 : case 'Y':
374 0 : bIsCurrency = true;
375 0 : eType = DataType::DOUBLE;
376 0 : aTypeName = "DOUBLE";
377 0 : break;
378 : case 'D':
379 16 : eType = DataType::DATE;
380 16 : aTypeName = "DATE";
381 16 : break;
382 : case 'T':
383 0 : eType = DataType::TIMESTAMP;
384 0 : aTypeName = "TIMESTAMP";
385 0 : break;
386 : case 'I':
387 0 : eType = DataType::INTEGER;
388 0 : aTypeName = "INTEGER";
389 0 : break;
390 : case 'M':
391 135 : if ( bFoxPro && ( aDBFColumn.db_frei2[0] & 0x04 ) == 0x04 )
392 : {
393 0 : eType = DataType::LONGVARBINARY;
394 0 : aTypeName = "LONGVARBINARY";
395 : }
396 : else
397 : {
398 135 : aTypeName = "LONGVARCHAR";
399 135 : eType = DataType::LONGVARCHAR;
400 : }
401 135 : nPrecision = 2147483647;
402 135 : break;
403 : case 'P':
404 0 : aTypeName = "LONGVARBINARY";
405 0 : eType = DataType::LONGVARBINARY;
406 0 : nPrecision = 2147483647;
407 0 : break;
408 : case '0':
409 : case 'B':
410 0 : if ( m_aHeader.db_typ == VisualFoxPro || m_aHeader.db_typ == VisualFoxProAuto )
411 : {
412 0 : aTypeName = "DOUBLE";
413 0 : eType = DataType::DOUBLE;
414 : }
415 : else
416 : {
417 0 : aTypeName = "LONGVARBINARY";
418 0 : eType = DataType::LONGVARBINARY;
419 0 : nPrecision = 2147483647;
420 : }
421 0 : break;
422 : default:
423 0 : eType = DataType::OTHER;
424 : }
425 :
426 305 : m_aTypes.push_back(eType);
427 305 : m_aPrecisions.push_back(nPrecision);
428 305 : m_aScales.push_back(aDBFColumn.db_dez);
429 :
430 : Reference< XPropertySet> xCol = new sdbcx::OColumn(aColumnName,
431 : aTypeName,
432 : OUString(),
433 : OUString(),
434 : ColumnValue::NULLABLE,
435 : nPrecision,
436 : aDBFColumn.db_dez,
437 : eType,
438 : false,
439 : bIsRowVersion,
440 : bIsCurrency,
441 : bCase,
442 305 : m_CatalogName, getSchema(), getName());
443 305 : m_aColumns->get().push_back(xCol);
444 305 : } // for (; i < nFieldCount; i++)
445 15 : OSL_ENSURE(i,"No columns in table!");
446 15 : }
447 :
448 0 : ODbaseTable::ODbaseTable(sdbcx::OCollection* _pTables, ODbaseConnection* _pConnection)
449 : : ODbaseTable_BASE(_pTables,_pConnection)
450 : , m_pMemoStream(NULL)
451 0 : , m_bWriteableMemo(false)
452 : {
453 : // initialize the header
454 0 : memset(&m_aHeader, 0, sizeof(m_aHeader));
455 0 : m_aHeader.db_typ = dBaseIII;
456 0 : m_eEncoding = getConnection()->getTextEncoding();
457 0 : }
458 :
459 15 : ODbaseTable::ODbaseTable(sdbcx::OCollection* _pTables, ODbaseConnection* _pConnection,
460 : const OUString& _Name,
461 : const OUString& _Type,
462 : const OUString& _Description ,
463 : const OUString& _SchemaName,
464 : const OUString& _CatalogName )
465 : : ODbaseTable_BASE(_pTables,_pConnection,_Name,
466 : _Type,
467 : _Description,
468 : _SchemaName,
469 : _CatalogName)
470 : , m_pMemoStream(NULL)
471 15 : , m_bWriteableMemo(false)
472 : {
473 15 : memset(&m_aHeader, 0, sizeof(m_aHeader));
474 15 : m_eEncoding = getConnection()->getTextEncoding();
475 15 : }
476 :
477 :
478 15 : void ODbaseTable::construct()
479 : {
480 : // initialize the header
481 15 : m_aHeader.db_typ = dBaseIII;
482 15 : m_aHeader.db_anz = 0;
483 15 : m_aHeader.db_kopf = 0;
484 15 : m_aHeader.db_slng = 0;
485 15 : m_aMemoHeader.db_size = 0;
486 :
487 15 : OUString sFileName(getEntry(m_pConnection, m_Name));
488 :
489 30 : INetURLObject aURL;
490 15 : aURL.SetURL(sFileName);
491 :
492 : OSL_ENSURE( m_pConnection->matchesExtension( aURL.getExtension() ),
493 : "ODbaseTable::ODbaseTable: invalid extension!");
494 : // getEntry is expected to ensure the correct file name
495 :
496 15 : m_pFileStream = createStream_simpleError( sFileName, STREAM_READWRITE | StreamMode::NOCREATE | StreamMode::SHARE_DENYWRITE);
497 15 : m_bWriteable = ( m_pFileStream != NULL );
498 :
499 15 : if ( !m_pFileStream )
500 : {
501 0 : m_bWriteable = false;
502 0 : m_pFileStream = createStream_simpleError( sFileName, StreamMode::READ | StreamMode::NOCREATE | StreamMode::SHARE_DENYNONE);
503 : }
504 :
505 15 : if(m_pFileStream)
506 : {
507 15 : readHeader();
508 15 : if (HasMemoFields())
509 : {
510 : // Create Memo-Filename (.DBT):
511 : // nyi: Ugly for Unix and Mac!
512 :
513 15 : if ( m_aHeader.db_typ == FoxProMemo || VisualFoxPro == m_aHeader.db_typ || VisualFoxProAuto == m_aHeader.db_typ ) // foxpro uses another extension
514 0 : aURL.SetExtension("fpt");
515 : else
516 15 : aURL.SetExtension("dbt");
517 :
518 : // If the memo file isn't found, the data will be displayed anyhow.
519 : // However, updates can't be done
520 : // but the operation is executed
521 15 : m_pMemoStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE), STREAM_READWRITE | StreamMode::NOCREATE | StreamMode::SHARE_DENYWRITE);
522 15 : if ( !m_pMemoStream )
523 : {
524 8 : m_bWriteableMemo = false;
525 8 : m_pMemoStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE), StreamMode::READ | StreamMode::NOCREATE | StreamMode::SHARE_DENYNONE);
526 : }
527 15 : if (m_pMemoStream)
528 7 : ReadMemoHeader();
529 : }
530 15 : fillColumns();
531 :
532 15 : sal_Size nFileSize = lcl_getFileSize(*m_pFileStream);
533 15 : m_pFileStream->Seek(STREAM_SEEK_TO_BEGIN);
534 : // seems to be empty or someone wrote bullshit into the dbase file
535 : // try and recover if m_aHeader.db_slng is sane
536 15 : if (m_aHeader.db_anz == 0 && m_aHeader.db_slng)
537 : {
538 0 : sal_Size nRecords = (nFileSize-m_aHeader.db_kopf)/m_aHeader.db_slng;
539 0 : if (nRecords > 0)
540 0 : m_aHeader.db_anz = nRecords;
541 : }
542 :
543 : // Buffersize dependent on the file size
544 : m_pFileStream->SetBufferSize(nFileSize > 1000000 ? 32768 :
545 : nFileSize > 100000 ? 16384 :
546 15 : nFileSize > 10000 ? 4096 : 1024);
547 :
548 15 : if (m_pMemoStream)
549 : {
550 : // set the buffer extactly to the length of a record
551 7 : m_pMemoStream->Seek(STREAM_SEEK_TO_END);
552 7 : nFileSize = m_pMemoStream->Tell();
553 7 : m_pMemoStream->Seek(STREAM_SEEK_TO_BEGIN);
554 :
555 : // Buffersize dependent on the file size
556 : m_pMemoStream->SetBufferSize(nFileSize > 1000000 ? 32768 :
557 : nFileSize > 100000 ? 16384 :
558 : nFileSize > 10000 ? 4096 :
559 7 : m_aMemoHeader.db_size);
560 : }
561 :
562 15 : AllocBuffer();
563 15 : }
564 15 : }
565 :
566 7 : bool ODbaseTable::ReadMemoHeader()
567 : {
568 7 : m_pMemoStream->SetEndian(SvStreamEndian::LITTLE);
569 7 : m_pMemoStream->RefreshBuffer(); // make sure that the header information is actually read again
570 7 : m_pMemoStream->Seek(0L);
571 :
572 7 : (*m_pMemoStream).ReadUInt32( m_aMemoHeader.db_next );
573 7 : switch (m_aHeader.db_typ)
574 : {
575 : case dBaseIIIMemo: // dBase III: fixed block size
576 : case dBaseIVMemo:
577 : // sometimes dBase3 is attached to dBase4 memo
578 7 : m_pMemoStream->Seek(20L);
579 7 : (*m_pMemoStream).ReadUInt16( m_aMemoHeader.db_size );
580 7 : if (m_aMemoHeader.db_size > 1 && m_aMemoHeader.db_size != 512) // 1 is also for dBase 3
581 0 : m_aMemoHeader.db_typ = MemodBaseIV;
582 7 : else if (m_aMemoHeader.db_size > 1 && m_aMemoHeader.db_size == 512)
583 : {
584 : // There are files using size specification, though they are dBase-files
585 : char sHeader[4];
586 0 : m_pMemoStream->Seek(m_aMemoHeader.db_size);
587 0 : m_pMemoStream->Read(sHeader,4);
588 :
589 0 : if ((m_pMemoStream->GetErrorCode() != ERRCODE_NONE) || ((sal_uInt8)sHeader[0]) != 0xFF || ((sal_uInt8)sHeader[1]) != 0xFF || ((sal_uInt8)sHeader[2]) != 0x08)
590 0 : m_aMemoHeader.db_typ = MemodBaseIII;
591 : else
592 0 : m_aMemoHeader.db_typ = MemodBaseIV;
593 : }
594 : else
595 : {
596 7 : m_aMemoHeader.db_typ = MemodBaseIII;
597 7 : m_aMemoHeader.db_size = 512;
598 : }
599 7 : break;
600 : case VisualFoxPro:
601 : case VisualFoxProAuto:
602 : case FoxProMemo:
603 0 : m_aMemoHeader.db_typ = MemoFoxPro;
604 0 : m_pMemoStream->Seek(6L);
605 0 : m_pMemoStream->SetEndian(SvStreamEndian::BIG);
606 0 : (*m_pMemoStream).ReadUInt16( m_aMemoHeader.db_size );
607 0 : break;
608 : default:
609 : SAL_WARN( "connectivity.drivers", "ODbaseTable::ReadMemoHeader: unsupported memo type!" );
610 0 : break;
611 : }
612 7 : return true;
613 : }
614 :
615 30 : OUString ODbaseTable::getEntry(OConnection* _pConnection,const OUString& _sName )
616 : {
617 30 : OUString sURL;
618 : try
619 : {
620 30 : Reference< XResultSet > xDir = _pConnection->getDir()->getStaticResultSet();
621 60 : Reference< XRow> xRow(xDir,UNO_QUERY);
622 60 : OUString sName;
623 60 : OUString sExt;
624 60 : INetURLObject aURL;
625 : static const char s_sSeparator[] = "/";
626 30 : xDir->beforeFirst();
627 60 : while(xDir->next())
628 : {
629 30 : sName = xRow->getString(1);
630 30 : aURL.SetSmartProtocol(INetProtocol::File);
631 30 : OUString sUrl = _pConnection->getURL() + s_sSeparator + sName;
632 30 : aURL.SetSmartURL( sUrl );
633 :
634 : // cut the extension
635 30 : sExt = aURL.getExtension();
636 :
637 : // name and extension have to coincide
638 30 : if ( _pConnection->matchesExtension( sExt ) )
639 : {
640 30 : sName = sName.replaceAt(sName.getLength() - (sExt.getLength() + 1), sExt.getLength() + 1, OUString());
641 30 : if ( sName == _sName )
642 : {
643 30 : Reference< XContentAccess > xContentAccess( xDir, UNO_QUERY );
644 30 : sURL = xContentAccess->queryContentIdentifierString();
645 30 : break;
646 : }
647 : }
648 0 : }
649 60 : xDir->beforeFirst(); // move back to before first record
650 : }
651 0 : catch(const Exception&)
652 : {
653 : OSL_ASSERT(false);
654 : }
655 30 : return sURL;
656 : }
657 :
658 15 : void ODbaseTable::refreshColumns()
659 : {
660 15 : ::osl::MutexGuard aGuard( m_aMutex );
661 :
662 30 : TStringVector aVector;
663 15 : aVector.reserve(m_aColumns->get().size());
664 :
665 320 : for(OSQLColumns::Vector::const_iterator aIter = m_aColumns->get().begin();aIter != m_aColumns->get().end();++aIter)
666 305 : aVector.push_back(Reference< XNamed>(*aIter,UNO_QUERY)->getName());
667 :
668 15 : if(m_pColumns)
669 0 : m_pColumns->reFill(aVector);
670 : else
671 30 : m_pColumns = new ODbaseColumns(this,m_aMutex,aVector);
672 15 : }
673 :
674 15 : void ODbaseTable::refreshIndexes()
675 : {
676 15 : TStringVector aVector;
677 15 : if(m_pFileStream && (!m_pIndexes || m_pIndexes->getCount() == 0))
678 : {
679 15 : INetURLObject aURL;
680 15 : aURL.SetURL(getEntry(m_pConnection,m_Name));
681 :
682 15 : aURL.setExtension("inf");
683 30 : Config aInfFile(aURL.getFSysPath(INetURLObject::FSYS_DETECT));
684 15 : aInfFile.SetGroup(dBASE_III_GROUP);
685 15 : sal_uInt16 nKeyCnt = aInfFile.GetKeyCount();
686 30 : OString aKeyName;
687 :
688 15 : for (sal_uInt16 nKey = 0; nKey < nKeyCnt; nKey++)
689 : {
690 : // Refences the key an index-file?
691 0 : aKeyName = aInfFile.GetKeyName( nKey );
692 : //...if yes, add the index list of the table
693 0 : if (aKeyName.copy(0,3).equals("NDX"))
694 : {
695 0 : OString aIndexName = aInfFile.ReadKey(aKeyName);
696 0 : aURL.setName(OStringToOUString(aIndexName, m_eEncoding));
697 : try
698 : {
699 0 : Content aCnt(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
700 0 : if (aCnt.isDocument())
701 : {
702 0 : aVector.push_back(aURL.getBase());
703 0 : }
704 : }
705 0 : catch(const Exception&) // an exception is thrown when no file exists
706 : {
707 0 : }
708 : }
709 15 : }
710 : }
711 15 : if(m_pIndexes)
712 0 : m_pIndexes->reFill(aVector);
713 : else
714 15 : m_pIndexes = new ODbaseIndexes(this,m_aMutex,aVector);
715 15 : }
716 :
717 :
718 15 : void SAL_CALL ODbaseTable::disposing()
719 : {
720 15 : OFileTable::disposing();
721 15 : ::osl::MutexGuard aGuard(m_aMutex);
722 15 : m_aColumns = NULL;
723 15 : }
724 :
725 0 : Sequence< Type > SAL_CALL ODbaseTable::getTypes( ) throw(RuntimeException, std::exception)
726 : {
727 0 : Sequence< Type > aTypes = OTable_TYPEDEF::getTypes();
728 0 : ::std::vector<Type> aOwnTypes;
729 0 : aOwnTypes.reserve(aTypes.getLength());
730 :
731 0 : const Type* pBegin = aTypes.getConstArray();
732 0 : const Type* pEnd = pBegin + aTypes.getLength();
733 0 : for(;pBegin != pEnd;++pBegin)
734 : {
735 0 : if(!(*pBegin == cppu::UnoType<XKeysSupplier>::get()||
736 0 : *pBegin == cppu::UnoType<XDataDescriptorFactory>::get()))
737 : {
738 0 : aOwnTypes.push_back(*pBegin);
739 : }
740 : }
741 0 : aOwnTypes.push_back(cppu::UnoType<com::sun::star::lang::XUnoTunnel>::get());
742 0 : return Sequence< Type >(aOwnTypes.data(), aOwnTypes.size());
743 : }
744 :
745 :
746 2754 : Any SAL_CALL ODbaseTable::queryInterface( const Type & rType ) throw(RuntimeException, std::exception)
747 : {
748 5508 : if( rType == cppu::UnoType<XKeysSupplier>::get()||
749 2754 : rType == cppu::UnoType<XDataDescriptorFactory>::get())
750 0 : return Any();
751 :
752 2754 : Any aRet = OTable_TYPEDEF::queryInterface(rType);
753 2754 : return aRet.hasValue() ? aRet : ::cppu::queryInterface(rType,static_cast< ::com::sun::star::lang::XUnoTunnel*> (this));
754 : }
755 :
756 :
757 63 : Sequence< sal_Int8 > ODbaseTable::getUnoTunnelImplementationId()
758 : {
759 : static ::cppu::OImplementationId * pId = 0;
760 63 : if (! pId)
761 : {
762 5 : ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
763 5 : if (! pId)
764 : {
765 5 : static ::cppu::OImplementationId aId;
766 5 : pId = &aId;
767 5 : }
768 : }
769 63 : return pId->getImplementationId();
770 : }
771 :
772 : // com::sun::star::lang::XUnoTunnel
773 :
774 63 : sal_Int64 ODbaseTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException, std::exception)
775 : {
776 252 : return (rId.getLength() == 16 && 0 == memcmp(getUnoTunnelImplementationId().getConstArray(), rId.getConstArray(), 16 ) )
777 : ? reinterpret_cast< sal_Int64 >( this )
778 189 : : ODbaseTable_BASE::getSomething(rId);
779 : }
780 :
781 2238 : bool ODbaseTable::fetchRow(OValueRefRow& _rRow, const OSQLColumns & _rCols, bool _bUseTableDefs, bool bRetrieveData)
782 : {
783 2238 : if (!m_pBuffer)
784 0 : return false;
785 :
786 : // Read the data
787 2238 : bool bIsCurRecordDeleted = (char)m_pBuffer[0] == '*';
788 :
789 : // only read the bookmark
790 :
791 : // Mark record as deleted
792 2238 : _rRow->setDeleted(bIsCurRecordDeleted);
793 2238 : *(_rRow->get())[0] = m_nFilePos;
794 :
795 2238 : if (!bRetrieveData)
796 114 : return true;
797 :
798 2124 : sal_Size nByteOffset = 1;
799 : // Fields:
800 2124 : OSQLColumns::Vector::const_iterator aIter = _rCols.get().begin();
801 2124 : OSQLColumns::Vector::const_iterator aEnd = _rCols.get().end();
802 2124 : const sal_Size nCount = _rRow->get().size();
803 65368 : for (sal_Size i = 1; aIter != aEnd && nByteOffset <= m_nBufferSize && i < nCount;++aIter, i++)
804 : {
805 : // Lengths depending on data type:
806 63244 : sal_Int32 nLen = 0;
807 63244 : sal_Int32 nType = 0;
808 63244 : if(_bUseTableDefs)
809 : {
810 63244 : nLen = m_aPrecisions[i-1];
811 63244 : nType = m_aTypes[i-1];
812 : }
813 : else
814 : {
815 0 : (*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)) >>= nLen;
816 0 : (*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType;
817 : }
818 :
819 63244 : switch(nType)
820 : {
821 : case DataType::INTEGER:
822 : case DataType::DOUBLE:
823 : case DataType::TIMESTAMP:
824 : case DataType::DATE:
825 : case DataType::BIT:
826 : case DataType::LONGVARCHAR:
827 : case DataType::LONGVARBINARY:
828 34548 : nLen = m_aRealFieldLengths[i-1];
829 34548 : break;
830 : case DataType::DECIMAL:
831 650 : if(_bUseTableDefs)
832 650 : nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,m_aScales[i-1]);
833 : else
834 0 : nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,getINT32((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE))));
835 650 : break; // the sign and the comma
836 :
837 : case DataType::BINARY:
838 : case DataType::OTHER:
839 0 : nByteOffset += nLen;
840 27365 : continue;
841 : }
842 :
843 : // Is the variable bound?
844 63244 : if ( !(_rRow->get())[i]->isBound() )
845 : {
846 : // No - next field.
847 18740 : nByteOffset += nLen;
848 : OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!");
849 18740 : continue;
850 : } // if ( !(_rRow->get())[i]->isBound() )
851 44504 : if ( ( nByteOffset + nLen) > m_nBufferSize )
852 0 : break; // length doesn't match buffer size.
853 :
854 44504 : char *pData = reinterpret_cast<char *>(m_pBuffer + nByteOffset);
855 :
856 44504 : if (nType == DataType::CHAR || nType == DataType::VARCHAR)
857 : {
858 19886 : sal_Int32 nLastPos = -1;
859 5044410 : for (sal_Int32 k = 0; k < nLen; ++k)
860 : {
861 5024524 : if (pData[k] != ' ')
862 : // Record last non-empty position.
863 46420 : nLastPos = k;
864 : }
865 19886 : if (nLastPos < 0)
866 : {
867 : // Empty string. Skip it.
868 12491 : (_rRow->get())[i]->setNull();
869 : }
870 : else
871 : {
872 : // Commit the string. Use intern() to ref-count it.
873 7395 : *(_rRow->get())[i] = OUString::intern(pData, static_cast<sal_Int32>(nLastPos+1), m_eEncoding);
874 19886 : }
875 : } // if (nType == DataType::CHAR || nType == DataType::VARCHAR)
876 24618 : else if ( DataType::TIMESTAMP == nType )
877 : {
878 0 : sal_Int32 nDate = 0,nTime = 0;
879 0 : memcpy(&nDate, pData, 4);
880 0 : memcpy(&nTime, pData+ 4, 4);
881 0 : if ( !nDate && !nTime )
882 : {
883 0 : (_rRow->get())[i]->setNull();
884 : }
885 : else
886 : {
887 0 : ::com::sun::star::util::DateTime aDateTime;
888 0 : lcl_CalDate(nDate,nTime,aDateTime);
889 0 : *(_rRow->get())[i] = aDateTime;
890 : }
891 : }
892 24618 : else if ( DataType::INTEGER == nType )
893 : {
894 0 : sal_Int32 nValue = 0;
895 0 : if (static_cast<size_t>(nLen) > sizeof(nValue))
896 0 : return false;
897 0 : memcpy(&nValue, pData, nLen);
898 0 : *(_rRow->get())[i] = nValue;
899 : }
900 24618 : else if ( DataType::DOUBLE == nType )
901 : {
902 0 : double d = 0.0;
903 0 : if (getBOOL((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency is treated separately
904 : {
905 0 : sal_Int64 nValue = 0;
906 0 : if (static_cast<size_t>(nLen) > sizeof(nValue))
907 0 : return false;
908 0 : memcpy(&nValue, pData, nLen);
909 :
910 0 : if ( m_aScales[i-1] )
911 0 : d = (double)(nValue / pow(10.0,(int)m_aScales[i-1]));
912 : else
913 0 : d = (double)(nValue);
914 : }
915 : else
916 : {
917 0 : if (static_cast<size_t>(nLen) > sizeof(d))
918 0 : return false;
919 0 : memcpy(&d, pData, nLen);
920 : }
921 :
922 0 : *(_rRow->get())[i] = d;
923 : }
924 : else
925 : {
926 24618 : sal_Int32 nPos1 = -1, nPos2 = -1;
927 : // If the string contains Nul-characters, then convert them to blanks!
928 274202 : for (sal_Int32 k = 0; k < nLen; k++)
929 : {
930 249584 : if (pData[k] == '\0')
931 14914 : pData[k] = ' ';
932 :
933 249584 : if (pData[k] != ' ')
934 : {
935 159498 : if (nPos1 < 0)
936 : // first non-empty char position.
937 15993 : nPos1 = k;
938 :
939 : // last non-empty char position.
940 159498 : nPos2 = k;
941 : }
942 : }
943 :
944 24618 : if (nPos1 < 0)
945 : {
946 : // Empty string. Skip it.
947 8625 : nByteOffset += nLen;
948 8625 : (_rRow->get())[i]->setNull(); // no values -> done
949 8625 : continue;
950 : }
951 :
952 15993 : OUString aStr = OUString::intern(pData+nPos1, nPos2-nPos1+1, m_eEncoding);
953 :
954 15993 : switch (nType)
955 : {
956 : case DataType::DATE:
957 : {
958 54 : if (aStr.getLength() != nLen)
959 : {
960 0 : (_rRow->get())[i]->setNull();
961 0 : break;
962 : }
963 54 : const sal_uInt16 nYear = (sal_uInt16)aStr.copy( 0, 4 ).toInt32();
964 54 : const sal_uInt16 nMonth = (sal_uInt16)aStr.copy( 4, 2 ).toInt32();
965 54 : const sal_uInt16 nDay = (sal_uInt16)aStr.copy( 6, 2 ).toInt32();
966 :
967 54 : const ::com::sun::star::util::Date aDate(nDay,nMonth,nYear);
968 54 : *(_rRow->get())[i] = aDate;
969 : }
970 54 : break;
971 : case DataType::DECIMAL:
972 108 : *(_rRow->get())[i] = ORowSetValue(aStr);
973 108 : break;
974 : case DataType::BIT:
975 : {
976 : bool b;
977 0 : switch (*pData)
978 : {
979 : case 'T':
980 : case 'Y':
981 0 : case 'J': b = true; break;
982 0 : default: b = false; break;
983 : }
984 0 : *(_rRow->get())[i] = b;
985 : }
986 0 : break;
987 : case DataType::LONGVARBINARY:
988 : case DataType::BINARY:
989 : case DataType::LONGVARCHAR:
990 : {
991 15831 : const long nBlockNo = aStr.toInt32(); // read blocknumber
992 15831 : if (nBlockNo > 0 && m_pMemoStream) // Read data from memo-file, only if
993 : {
994 31662 : if ( !ReadMemo(nBlockNo, (_rRow->get())[i]->get()) )
995 0 : break;
996 : }
997 : else
998 0 : (_rRow->get())[i]->setNull();
999 15831 : } break;
1000 : default:
1001 : SAL_WARN( "connectivity.drivers","Falscher Type");
1002 : }
1003 15993 : (_rRow->get())[i]->setTypeKind(nType);
1004 : }
1005 :
1006 35879 : nByteOffset += nLen;
1007 : OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!");
1008 : }
1009 2124 : return true;
1010 : }
1011 :
1012 :
1013 15 : void ODbaseTable::FileClose()
1014 : {
1015 15 : ::osl::MutexGuard aGuard(m_aMutex);
1016 : // if not everything has been written yet
1017 15 : if (m_pMemoStream && m_pMemoStream->IsWritable())
1018 7 : m_pMemoStream->Flush();
1019 :
1020 15 : delete m_pMemoStream;
1021 15 : m_pMemoStream = NULL;
1022 :
1023 15 : ODbaseTable_BASE::FileClose();
1024 15 : }
1025 :
1026 0 : bool ODbaseTable::CreateImpl()
1027 : {
1028 : OSL_ENSURE(!m_pFileStream, "SequenceError");
1029 :
1030 0 : if ( m_pConnection->isCheckEnabled() && ::dbtools::convertName2SQLName(m_Name,OUString()) != m_Name )
1031 : {
1032 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
1033 : STR_SQL_NAME_ERROR,
1034 : "$name$", m_Name
1035 0 : ) );
1036 0 : ::dbtools::throwGenericSQLException( sError, *this );
1037 : }
1038 :
1039 0 : INetURLObject aURL;
1040 0 : aURL.SetSmartProtocol(INetProtocol::File);
1041 0 : OUString aName = getEntry(m_pConnection, m_Name);
1042 0 : if(aName.isEmpty())
1043 : {
1044 0 : OUString aIdent = m_pConnection->getContent()->getIdentifier()->getContentIdentifier();
1045 0 : if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) )
1046 0 : aIdent += "/";
1047 0 : aIdent += m_Name;
1048 0 : aName = aIdent.getStr();
1049 : }
1050 0 : aURL.SetURL(aName);
1051 :
1052 0 : if ( !m_pConnection->matchesExtension( aURL.getExtension() ) )
1053 0 : aURL.setExtension(m_pConnection->getExtension());
1054 :
1055 : try
1056 : {
1057 0 : Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
1058 0 : if (aContent.isDocument())
1059 : {
1060 : // Only if the file exists with length > 0 raise an error
1061 0 : SvStream* pFileStream = createStream_simpleError( aURL.GetMainURL(INetURLObject::NO_DECODE), StreamMode::READ);
1062 :
1063 0 : if (pFileStream && pFileStream->Seek(STREAM_SEEK_TO_END))
1064 : {
1065 0 : return false;
1066 : }
1067 0 : delete pFileStream;
1068 0 : }
1069 : }
1070 0 : catch(const Exception&) // an exception is thrown when no file exists
1071 : {
1072 : }
1073 :
1074 0 : bool bMemoFile = false;
1075 :
1076 0 : bool bOk = CreateFile(aURL, bMemoFile);
1077 :
1078 0 : FileClose();
1079 :
1080 0 : if (!bOk)
1081 : {
1082 : try
1083 : {
1084 0 : Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
1085 0 : aContent.executeCommand( "delete", css::uno::Any( true ) );
1086 : }
1087 0 : catch(const Exception&) // an exception is thrown when no file exists
1088 : {
1089 : }
1090 0 : return false;
1091 : }
1092 :
1093 0 : if (bMemoFile)
1094 : {
1095 0 : OUString aExt = aURL.getExtension();
1096 0 : aURL.setExtension("dbt"); // extension for memo file
1097 :
1098 0 : bool bMemoAlreadyExists = false;
1099 : try
1100 : {
1101 0 : Content aMemo1Content(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
1102 0 : bMemoAlreadyExists = aMemo1Content.isDocument();
1103 : }
1104 0 : catch(const Exception&) // an exception is thrown when no file exists
1105 : {
1106 : }
1107 0 : if (bMemoAlreadyExists)
1108 : {
1109 0 : aURL.setExtension(aExt); // kill dbf file
1110 : try
1111 : {
1112 0 : Content aMemoContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
1113 0 : aMemoContent.executeCommand( "delete", css::uno::Any( true ) );
1114 : }
1115 0 : catch(const Exception&)
1116 : {
1117 :
1118 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
1119 : STR_COULD_NOT_DELETE_FILE,
1120 : "$name$", aName
1121 0 : ) );
1122 0 : ::dbtools::throwGenericSQLException( sError, *this );
1123 : }
1124 : }
1125 0 : if (!CreateMemoFile(aURL))
1126 : {
1127 0 : aURL.setExtension(aExt); // kill dbf file
1128 : try
1129 : {
1130 0 : Content aMemoContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
1131 0 : aMemoContent.executeCommand( "delete", css::uno::Any( true ) );
1132 : }
1133 0 : catch(const ContentCreationException&)
1134 : {
1135 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
1136 : STR_COULD_NOT_DELETE_FILE,
1137 : "$name$", aName
1138 0 : ) );
1139 0 : ::dbtools::throwGenericSQLException( sError, *this );
1140 : }
1141 0 : return false;
1142 : }
1143 0 : m_aHeader.db_typ = dBaseIIIMemo;
1144 : }
1145 : else
1146 0 : m_aHeader.db_typ = dBaseIII;
1147 :
1148 0 : return true;
1149 : }
1150 :
1151 0 : void ODbaseTable::throwInvalidColumnType(const sal_uInt16 _nErrorId, const OUString& _sColumnName)
1152 : {
1153 : try
1154 : {
1155 : // we have to drop the file because it is corrupted now
1156 0 : DropImpl();
1157 : }
1158 0 : catch(const Exception&)
1159 : {
1160 : }
1161 :
1162 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
1163 : _nErrorId,
1164 : "$columnname$", _sColumnName
1165 0 : ) );
1166 0 : ::dbtools::throwGenericSQLException( sError, *this );
1167 0 : }
1168 :
1169 : // creates in principle dBase IV file format
1170 0 : bool ODbaseTable::CreateFile(const INetURLObject& aFile, bool& bCreateMemo)
1171 : {
1172 0 : bCreateMemo = false;
1173 0 : Date aDate( Date::SYSTEM ); // current date
1174 :
1175 0 : m_pFileStream = createStream_simpleError( aFile.GetMainURL(INetURLObject::NO_DECODE),STREAM_READWRITE | StreamMode::SHARE_DENYWRITE | StreamMode::TRUNC );
1176 :
1177 0 : if (!m_pFileStream)
1178 0 : return false;
1179 :
1180 0 : sal_uInt8 nDbaseType = dBaseIII;
1181 0 : Reference<XIndexAccess> xColumns(getColumns(),UNO_QUERY);
1182 0 : Reference<XPropertySet> xCol;
1183 0 : const OUString sPropType = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE);
1184 :
1185 : try
1186 : {
1187 0 : const sal_Int32 nCount = xColumns->getCount();
1188 0 : for(sal_Int32 i=0;i<nCount;++i)
1189 : {
1190 0 : xColumns->getByIndex(i) >>= xCol;
1191 : OSL_ENSURE(xCol.is(),"This should be a column!");
1192 :
1193 0 : switch (getINT32(xCol->getPropertyValue(sPropType)))
1194 : {
1195 : case DataType::DOUBLE:
1196 : case DataType::INTEGER:
1197 : case DataType::TIMESTAMP:
1198 : case DataType::LONGVARBINARY:
1199 0 : nDbaseType = VisualFoxPro;
1200 0 : i = nCount; // no more columns need to be checked
1201 0 : break;
1202 : } // switch (getINT32(xCol->getPropertyValue(sPropType)))
1203 : }
1204 : }
1205 0 : catch ( const Exception& e )
1206 : {
1207 : (void)e;
1208 :
1209 : try
1210 : {
1211 : // we have to drop the file because it is corrupted now
1212 0 : DropImpl();
1213 : }
1214 0 : catch(const Exception&) { }
1215 0 : throw;
1216 : }
1217 :
1218 : char aBuffer[21]; // write buffer
1219 0 : memset(aBuffer,0,sizeof(aBuffer));
1220 :
1221 0 : m_pFileStream->Seek(0L);
1222 0 : (*m_pFileStream).WriteUChar( nDbaseType ); // dBase format
1223 0 : (*m_pFileStream).WriteUChar( aDate.GetYear() % 100 ); // current date
1224 :
1225 :
1226 0 : (*m_pFileStream).WriteUChar( aDate.GetMonth() );
1227 0 : (*m_pFileStream).WriteUChar( aDate.GetDay() );
1228 0 : (*m_pFileStream).WriteUInt32( 0 ); // number of data records
1229 0 : (*m_pFileStream).WriteUInt16( (m_pColumns->getCount()+1) * 32 + 1 ); // header information,
1230 : // pColumns contains always an additional column
1231 0 : (*m_pFileStream).WriteUInt16( 0 ); // record length will be determined later
1232 0 : m_pFileStream->Write(aBuffer, 20);
1233 :
1234 0 : sal_uInt16 nRecLength = 1; // Length 1 for deleted flag
1235 0 : sal_Int32 nMaxFieldLength = m_pConnection->getMetaData()->getMaxColumnNameLength();
1236 0 : OUString aName;
1237 0 : const OUString sPropName = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME);
1238 0 : const OUString sPropPrec = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION);
1239 0 : const OUString sPropScale = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE);
1240 :
1241 : try
1242 : {
1243 0 : const sal_Int32 nCount = xColumns->getCount();
1244 0 : for(sal_Int32 i=0;i<nCount;++i)
1245 : {
1246 0 : xColumns->getByIndex(i) >>= xCol;
1247 : OSL_ENSURE(xCol.is(),"This should be a column!");
1248 :
1249 0 : char cTyp( 'C' );
1250 :
1251 0 : xCol->getPropertyValue(sPropName) >>= aName;
1252 :
1253 0 : OString aCol;
1254 0 : if ( DBTypeConversion::convertUnicodeString( aName, aCol, m_eEncoding ) > nMaxFieldLength)
1255 : {
1256 0 : throwInvalidColumnType( STR_INVALID_COLUMN_NAME_LENGTH, aName );
1257 : }
1258 :
1259 0 : (*m_pFileStream).WriteCharPtr( aCol.getStr() );
1260 0 : m_pFileStream->Write(aBuffer, 11 - aCol.getLength());
1261 :
1262 0 : sal_Int32 nPrecision = 0;
1263 0 : xCol->getPropertyValue(sPropPrec) >>= nPrecision;
1264 0 : sal_Int32 nScale = 0;
1265 0 : xCol->getPropertyValue(sPropScale) >>= nScale;
1266 :
1267 0 : bool bBinary = false;
1268 :
1269 0 : switch (getINT32(xCol->getPropertyValue(sPropType)))
1270 : {
1271 : case DataType::CHAR:
1272 : case DataType::VARCHAR:
1273 0 : cTyp = 'C';
1274 0 : break;
1275 : case DataType::DOUBLE:
1276 0 : if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency will be treated separately
1277 0 : cTyp = 'Y';
1278 : else
1279 0 : cTyp = 'B';
1280 0 : break;
1281 : case DataType::INTEGER:
1282 0 : cTyp = 'I';
1283 0 : break;
1284 : case DataType::TINYINT:
1285 : case DataType::SMALLINT:
1286 : case DataType::BIGINT:
1287 : case DataType::DECIMAL:
1288 : case DataType::NUMERIC:
1289 : case DataType::REAL:
1290 0 : cTyp = 'N'; // only dBase 3 format
1291 0 : break;
1292 : case DataType::TIMESTAMP:
1293 0 : cTyp = 'T';
1294 0 : break;
1295 : case DataType::DATE:
1296 0 : cTyp = 'D';
1297 0 : break;
1298 : case DataType::BIT:
1299 0 : cTyp = 'L';
1300 0 : break;
1301 : case DataType::LONGVARBINARY:
1302 0 : bBinary = true;
1303 : // run through
1304 : case DataType::LONGVARCHAR:
1305 0 : cTyp = 'M';
1306 0 : break;
1307 : default:
1308 : {
1309 0 : throwInvalidColumnType(STR_INVALID_COLUMN_TYPE, aName);
1310 : }
1311 : }
1312 :
1313 0 : (*m_pFileStream).WriteChar( cTyp );
1314 0 : if ( nDbaseType == VisualFoxPro )
1315 0 : (*m_pFileStream).WriteUInt32( nRecLength-1 );
1316 : else
1317 0 : m_pFileStream->Write(aBuffer, 4);
1318 :
1319 0 : switch(cTyp)
1320 : {
1321 : case 'C':
1322 : OSL_ENSURE(nPrecision < 255, "ODbaseTable::Create: Column zu lang!");
1323 0 : if (nPrecision > 254)
1324 : {
1325 0 : throwInvalidColumnType(STR_INVALID_COLUMN_PRECISION, aName);
1326 : }
1327 0 : (*m_pFileStream).WriteUChar( std::min((unsigned)nPrecision, 255U) ); // field length
1328 0 : nRecLength = nRecLength + (sal_uInt16)::std::min((sal_uInt16)nPrecision, (sal_uInt16)255UL);
1329 0 : (*m_pFileStream).WriteUChar( 0 ); // decimals
1330 0 : break;
1331 : case 'F':
1332 : case 'N':
1333 : OSL_ENSURE(nPrecision >= nScale,
1334 : "ODbaseTable::Create: Feldlaenge muss groesser Nachkommastellen sein!");
1335 0 : if (nPrecision < nScale)
1336 : {
1337 0 : throwInvalidColumnType(STR_INVALID_PRECISION_SCALE, aName);
1338 : }
1339 0 : if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency will be treated separately
1340 : {
1341 0 : (*m_pFileStream).WriteUChar( 10 ); // standard length
1342 0 : (*m_pFileStream).WriteUChar( 4 );
1343 0 : nRecLength += 10;
1344 : }
1345 : else
1346 : {
1347 0 : sal_Int32 nPrec = SvDbaseConverter::ConvertPrecisionToDbase(nPrecision,nScale);
1348 :
1349 0 : (*m_pFileStream).WriteUChar( nPrec );
1350 0 : (*m_pFileStream).WriteUChar( nScale );
1351 0 : nRecLength += (sal_uInt16)nPrec;
1352 : }
1353 0 : break;
1354 : case 'L':
1355 0 : (*m_pFileStream).WriteUChar( 1 );
1356 0 : (*m_pFileStream).WriteUChar( 0 );
1357 0 : ++nRecLength;
1358 0 : break;
1359 : case 'I':
1360 0 : (*m_pFileStream).WriteUChar( 4 );
1361 0 : (*m_pFileStream).WriteUChar( 0 );
1362 0 : nRecLength += 4;
1363 0 : break;
1364 : case 'Y':
1365 : case 'B':
1366 : case 'T':
1367 : case 'D':
1368 0 : (*m_pFileStream).WriteUChar( 8 );
1369 0 : (*m_pFileStream).WriteUChar( 0 );
1370 0 : nRecLength += 8;
1371 0 : break;
1372 : case 'M':
1373 0 : bCreateMemo = true;
1374 0 : (*m_pFileStream).WriteUChar( 10 );
1375 0 : (*m_pFileStream).WriteUChar( 0 );
1376 0 : nRecLength += 10;
1377 0 : if ( bBinary )
1378 0 : aBuffer[0] = 0x06;
1379 0 : break;
1380 : default:
1381 0 : throwInvalidColumnType(STR_INVALID_COLUMN_TYPE, aName);
1382 : }
1383 0 : m_pFileStream->Write(aBuffer, 14);
1384 0 : aBuffer[0] = 0x00;
1385 0 : }
1386 :
1387 0 : (*m_pFileStream).WriteUChar( FIELD_DESCRIPTOR_TERMINATOR ); // end of header
1388 0 : (*m_pFileStream).WriteChar( (char)DBF_EOL );
1389 0 : m_pFileStream->Seek(10L);
1390 0 : (*m_pFileStream).WriteUInt16( nRecLength ); // set record length afterwards
1391 :
1392 0 : if (bCreateMemo)
1393 : {
1394 0 : m_pFileStream->Seek(0L);
1395 0 : if (nDbaseType == VisualFoxPro)
1396 0 : (*m_pFileStream).WriteUChar( FoxProMemo );
1397 : else
1398 0 : (*m_pFileStream).WriteUChar( dBaseIIIMemo );
1399 : } // if (bCreateMemo)
1400 : }
1401 0 : catch ( const Exception& e )
1402 : {
1403 : (void)e;
1404 :
1405 : try
1406 : {
1407 : // we have to drop the file because it is corrupted now
1408 0 : DropImpl();
1409 : }
1410 0 : catch(const Exception&) { }
1411 0 : throw;
1412 : }
1413 0 : return true;
1414 : }
1415 :
1416 :
1417 : // creates in principle dBase III file format
1418 0 : bool ODbaseTable::CreateMemoFile(const INetURLObject& aFile)
1419 : {
1420 : // filehandling macro for table creation
1421 0 : m_pMemoStream = createStream_simpleError( aFile.GetMainURL(INetURLObject::NO_DECODE),STREAM_READWRITE | StreamMode::SHARE_DENYWRITE);
1422 :
1423 0 : if (!m_pMemoStream)
1424 0 : return false;
1425 :
1426 0 : m_pMemoStream->SetStreamSize(512);
1427 :
1428 0 : m_pMemoStream->Seek(0L);
1429 0 : (*m_pMemoStream).WriteUInt32( 1 ); // pointer to the first free block
1430 :
1431 0 : m_pMemoStream->Flush();
1432 0 : delete m_pMemoStream;
1433 0 : m_pMemoStream = NULL;
1434 0 : return true;
1435 : }
1436 :
1437 0 : bool ODbaseTable::Drop_Static(const OUString& _sUrl, bool _bHasMemoFields, OCollection* _pIndexes )
1438 : {
1439 0 : INetURLObject aURL;
1440 0 : aURL.SetURL(_sUrl);
1441 :
1442 0 : bool bDropped = ::utl::UCBContentHelper::Kill(aURL.GetMainURL(INetURLObject::NO_DECODE));
1443 :
1444 0 : if(bDropped)
1445 : {
1446 0 : if (_bHasMemoFields)
1447 : { // delete the memo fields
1448 0 : aURL.setExtension("dbt");
1449 0 : bDropped = ::utl::UCBContentHelper::Kill(aURL.GetMainURL(INetURLObject::NO_DECODE));
1450 : }
1451 :
1452 0 : if(bDropped)
1453 : {
1454 0 : if(_pIndexes)
1455 : {
1456 : try
1457 : {
1458 0 : sal_Int32 i = _pIndexes->getCount();
1459 0 : while (i)
1460 : {
1461 0 : _pIndexes->dropByIndex(--i);
1462 : }
1463 : }
1464 0 : catch(const SQLException&)
1465 : {
1466 : }
1467 : }
1468 0 : aURL.setExtension("inf");
1469 :
1470 : // as the inf file does not necessarily exist, we aren't allowed to use UCBContentHelper::Kill
1471 : try
1472 : {
1473 0 : ::ucbhelper::Content aDeleteContent( aURL.GetMainURL( INetURLObject::NO_DECODE ), Reference< XCommandEnvironment >(), comphelper::getProcessComponentContext() );
1474 0 : aDeleteContent.executeCommand( "delete", makeAny( true ) );
1475 : }
1476 0 : catch(const Exception&)
1477 : {
1478 : // silently ignore this ....
1479 : }
1480 : }
1481 : }
1482 0 : return bDropped;
1483 : }
1484 :
1485 0 : bool ODbaseTable::DropImpl()
1486 : {
1487 0 : FileClose();
1488 :
1489 0 : if(!m_pIndexes)
1490 0 : refreshIndexes(); // look for indexes which must be deleted as well
1491 :
1492 0 : bool bDropped = Drop_Static(getEntry(m_pConnection,m_Name),HasMemoFields(),m_pIndexes);
1493 0 : if(!bDropped)
1494 : {// we couldn't drop the table so we have to reopen it
1495 0 : construct();
1496 0 : if(m_pColumns)
1497 0 : m_pColumns->refresh();
1498 : }
1499 0 : return bDropped;
1500 : }
1501 :
1502 :
1503 1 : bool ODbaseTable::InsertRow(OValueRefVector& rRow, bool bFlush, const Reference<XIndexAccess>& _xCols)
1504 : {
1505 : // fill buffer with blanks
1506 1 : if (!AllocBuffer())
1507 0 : return false;
1508 :
1509 1 : memset(m_pBuffer, 0, m_aHeader.db_slng);
1510 1 : m_pBuffer[0] = ' ';
1511 :
1512 : // Copy new row completely:
1513 : // ... and add at the end as new Record:
1514 1 : sal_Size nTempPos = m_nFilePos;
1515 :
1516 1 : m_nFilePos = (sal_Size)m_aHeader.db_anz + 1;
1517 1 : bool bInsertRow = UpdateBuffer( rRow, NULL, _xCols, true );
1518 1 : if ( bInsertRow )
1519 : {
1520 1 : sal_Size nFileSize = 0, nMemoFileSize = 0;
1521 :
1522 1 : nFileSize = lcl_getFileSize(*m_pFileStream);
1523 :
1524 1 : if (HasMemoFields() && m_pMemoStream)
1525 : {
1526 1 : m_pMemoStream->Seek(STREAM_SEEK_TO_END);
1527 1 : nMemoFileSize = m_pMemoStream->Tell();
1528 : }
1529 :
1530 1 : if (!WriteBuffer())
1531 : {
1532 0 : m_pFileStream->SetStreamSize(nFileSize); // restore old size
1533 :
1534 0 : if (HasMemoFields() && m_pMemoStream)
1535 0 : m_pMemoStream->SetStreamSize(nMemoFileSize); // restore old size
1536 0 : m_nFilePos = nTempPos; // restore file position
1537 : }
1538 : else
1539 : {
1540 1 : (*m_pFileStream).WriteChar( (char)DBF_EOL ); // write EOL
1541 : // raise number of datasets in the header:
1542 1 : m_pFileStream->Seek( 4L );
1543 1 : (*m_pFileStream).WriteUInt32( m_aHeader.db_anz + 1 );
1544 :
1545 : // if AppendOnly no flush!
1546 1 : if (bFlush)
1547 1 : m_pFileStream->Flush();
1548 :
1549 : // raise number if successfully
1550 1 : m_aHeader.db_anz++;
1551 1 : *rRow.get()[0] = m_nFilePos; // set bookmark
1552 1 : m_nFilePos = nTempPos;
1553 : }
1554 : }
1555 : else
1556 0 : m_nFilePos = nTempPos;
1557 :
1558 1 : return bInsertRow;
1559 : }
1560 :
1561 :
1562 4 : bool ODbaseTable::UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow, const Reference<XIndexAccess>& _xCols)
1563 : {
1564 : // fill buffer with blanks
1565 4 : if (!AllocBuffer())
1566 0 : return false;
1567 :
1568 : // position on desired record:
1569 4 : sal_Size nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng;
1570 4 : m_pFileStream->Seek(nPos);
1571 4 : m_pFileStream->Read(m_pBuffer, m_aHeader.db_slng);
1572 :
1573 4 : sal_Size nMemoFileSize( 0 );
1574 4 : if (HasMemoFields() && m_pMemoStream)
1575 : {
1576 0 : m_pMemoStream->Seek(STREAM_SEEK_TO_END);
1577 0 : nMemoFileSize = m_pMemoStream->Tell();
1578 : }
1579 4 : if (!UpdateBuffer(rRow, pOrgRow, _xCols, false) || !WriteBuffer())
1580 : {
1581 0 : if (HasMemoFields() && m_pMemoStream)
1582 0 : m_pMemoStream->SetStreamSize(nMemoFileSize); // restore old size
1583 : }
1584 : else
1585 : {
1586 4 : m_pFileStream->Flush();
1587 : }
1588 4 : return true;
1589 : }
1590 :
1591 :
1592 1 : bool ODbaseTable::DeleteRow(const OSQLColumns& _rCols)
1593 : {
1594 : // Set the Delete-Flag (be it set or not):
1595 : // Position on desired record:
1596 1 : sal_Size nFilePos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng;
1597 1 : m_pFileStream->Seek(nFilePos);
1598 :
1599 1 : OValueRefRow aRow = new OValueRefVector(_rCols.get().size());
1600 :
1601 1 : if (!fetchRow(aRow,_rCols,true,true))
1602 0 : return false;
1603 :
1604 2 : Reference<XPropertySet> xCol;
1605 2 : OUString aColName;
1606 1 : ::comphelper::UStringMixEqual aCase(isCaseSensitive());
1607 32 : for (sal_Int32 i = 0; i < m_pColumns->getCount(); i++)
1608 : {
1609 31 : Reference<XPropertySet> xIndex = isUniqueByColumnName(i);
1610 31 : if (xIndex.is())
1611 : {
1612 0 : xCol.set(m_pColumns->getByIndex(i), css::uno::UNO_QUERY);
1613 : OSL_ENSURE(xCol.is(),"ODbaseTable::DeleteRow column is null!");
1614 0 : if(xCol.is())
1615 : {
1616 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName;
1617 :
1618 0 : Reference<XUnoTunnel> xTunnel(xIndex,UNO_QUERY);
1619 : OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!");
1620 0 : ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) );
1621 : OSL_ENSURE(pIndex,"ODbaseTable::DeleteRow: No Index returned!");
1622 :
1623 0 : OSQLColumns::Vector::const_iterator aIter = _rCols.get().begin();
1624 0 : sal_Int32 nPos = 1;
1625 0 : for(;aIter != _rCols.get().end();++aIter,++nPos)
1626 : {
1627 0 : if(aCase(getString((*aIter)->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME))),aColName))
1628 0 : break;
1629 : }
1630 0 : if (aIter == _rCols.get().end())
1631 0 : continue;
1632 :
1633 0 : pIndex->Delete(m_nFilePos,*(aRow->get())[nPos]);
1634 : }
1635 : }
1636 31 : }
1637 :
1638 1 : m_pFileStream->Seek(nFilePos);
1639 1 : (*m_pFileStream).WriteUChar( '*' ); // mark the row in the table as deleted
1640 1 : m_pFileStream->Flush();
1641 2 : return true;
1642 : }
1643 :
1644 106 : Reference<XPropertySet> ODbaseTable::isUniqueByColumnName(sal_Int32 _nColumnPos)
1645 : {
1646 106 : if(!m_pIndexes)
1647 0 : refreshIndexes();
1648 106 : if(m_pIndexes->hasElements())
1649 : {
1650 0 : Reference<XPropertySet> xCol;
1651 0 : m_pColumns->getByIndex(_nColumnPos) >>= xCol;
1652 : OSL_ENSURE(xCol.is(),"ODbaseTable::isUniqueByColumnName column is null!");
1653 0 : OUString sColName;
1654 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= sColName;
1655 :
1656 0 : Reference<XPropertySet> xIndex;
1657 0 : for(sal_Int32 i=0;i<m_pIndexes->getCount();++i)
1658 : {
1659 0 : xIndex.set(m_pIndexes->getByIndex(i), css::uno::UNO_QUERY);
1660 0 : if(xIndex.is() && getBOOL(xIndex->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISUNIQUE))))
1661 : {
1662 0 : Reference<XNameAccess> xCols(Reference<XColumnsSupplier>(xIndex,UNO_QUERY)->getColumns());
1663 0 : if(xCols->hasByName(sColName))
1664 0 : return xIndex;
1665 :
1666 : }
1667 0 : }
1668 : }
1669 106 : return Reference<XPropertySet>();
1670 : }
1671 :
1672 0 : static double toDouble(const OString& rString)
1673 : {
1674 0 : return ::rtl::math::stringToDouble( rString, '.', ',', NULL, NULL );
1675 : }
1676 :
1677 :
1678 5 : bool ODbaseTable::UpdateBuffer(OValueRefVector& rRow, OValueRefRow pOrgRow, const Reference<XIndexAccess>& _xCols, const bool bForceAllFields)
1679 : {
1680 : OSL_ENSURE(m_pBuffer,"Buffer is NULL!");
1681 5 : if ( !m_pBuffer )
1682 0 : return false;
1683 5 : sal_Int32 nByteOffset = 1;
1684 :
1685 : // Update fields:
1686 5 : Reference<XPropertySet> xCol;
1687 10 : Reference<XPropertySet> xIndex;
1688 : sal_uInt16 i;
1689 10 : OUString aColName;
1690 5 : const sal_Int32 nColumnCount = m_pColumns->getCount();
1691 10 : ::std::vector< Reference<XPropertySet> > aIndexedCols(nColumnCount);
1692 :
1693 5 : ::comphelper::UStringMixEqual aCase(isCaseSensitive());
1694 :
1695 10 : Reference<XIndexAccess> xColumns = m_pColumns;
1696 : // first search a key that exist already in the table
1697 80 : for (i = 0; i < nColumnCount; ++i)
1698 : {
1699 75 : sal_Int32 nPos = i;
1700 75 : if(_xCols != xColumns)
1701 : {
1702 0 : m_pColumns->getByIndex(i) >>= xCol;
1703 : OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!");
1704 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName;
1705 :
1706 0 : for(nPos = 0;nPos<_xCols->getCount();++nPos)
1707 : {
1708 : Reference<XPropertySet> xFindCol(
1709 0 : _xCols->getByIndex(nPos), css::uno::UNO_QUERY);
1710 : OSL_ENSURE(xFindCol.is(),"ODbaseTable::UpdateBuffer column is null!");
1711 0 : if(aCase(getString(xFindCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))),aColName))
1712 0 : break;
1713 0 : }
1714 0 : if (nPos >= _xCols->getCount())
1715 0 : continue;
1716 : }
1717 :
1718 75 : ++nPos;
1719 75 : xIndex = isUniqueByColumnName(i);
1720 75 : aIndexedCols[i] = xIndex;
1721 75 : if (xIndex.is())
1722 : {
1723 : // first check if the value is different to the old one and when if it conform to the index
1724 0 : if(pOrgRow.is() && (rRow.get()[nPos]->getValue().isNull() || rRow.get()[nPos] == (pOrgRow->get())[nPos]))
1725 0 : continue;
1726 : else
1727 : {
1728 0 : Reference<XUnoTunnel> xTunnel(xIndex,UNO_QUERY);
1729 : OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!");
1730 0 : ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) );
1731 : OSL_ENSURE(pIndex,"ODbaseTable::UpdateBuffer: No Index returned!");
1732 :
1733 0 : if (pIndex->Find(0,*rRow.get()[nPos]))
1734 : {
1735 : // There is no unique value
1736 0 : if ( aColName.isEmpty() )
1737 : {
1738 0 : m_pColumns->getByIndex(i) >>= xCol;
1739 : OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!");
1740 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName;
1741 0 : xCol.clear();
1742 : } // if ( !aColName.getLength() )
1743 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
1744 : STR_DUPLICATE_VALUE_IN_COLUMN
1745 : ,"$columnname$", aColName
1746 0 : ) );
1747 0 : ::dbtools::throwGenericSQLException( sError, *this );
1748 0 : }
1749 : }
1750 : }
1751 : }
1752 :
1753 : // when we are here there is no double key in the table
1754 :
1755 80 : for (i = 0; i < nColumnCount && nByteOffset <= m_nBufferSize ; ++i)
1756 : {
1757 : // Lengths for each data type:
1758 : OSL_ENSURE(i < m_aPrecisions.size(),"Illegal index!");
1759 75 : sal_Int32 nLen = 0;
1760 75 : sal_Int32 nType = 0;
1761 75 : sal_Int32 nScale = 0;
1762 75 : if ( i < m_aPrecisions.size() )
1763 : {
1764 75 : nLen = m_aPrecisions[i];
1765 75 : nType = m_aTypes[i];
1766 75 : nScale = m_aScales[i];
1767 : }
1768 : else
1769 : {
1770 0 : m_pColumns->getByIndex(i) >>= xCol;
1771 0 : if ( xCol.is() )
1772 : {
1773 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)) >>= nLen;
1774 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType;
1775 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE)) >>= nScale;
1776 : }
1777 : }
1778 :
1779 75 : bool bSetZero = false;
1780 75 : switch (nType)
1781 : {
1782 : case DataType::INTEGER:
1783 : case DataType::DOUBLE:
1784 : case DataType::TIMESTAMP:
1785 0 : bSetZero = true;
1786 : //fall-through
1787 : case DataType::LONGVARBINARY:
1788 : case DataType::DATE:
1789 : case DataType::BIT:
1790 : case DataType::LONGVARCHAR:
1791 37 : nLen = m_aRealFieldLengths[i];
1792 37 : break;
1793 : case DataType::DECIMAL:
1794 20 : nLen = SvDbaseConverter::ConvertPrecisionToDbase(nLen,nScale);
1795 20 : break; // The sign and the comma
1796 : default:
1797 18 : break;
1798 :
1799 : } // switch (nType)
1800 :
1801 75 : sal_Int32 nPos = i;
1802 75 : if(_xCols != xColumns)
1803 : {
1804 0 : m_pColumns->getByIndex(i) >>= xCol;
1805 : OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!");
1806 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName;
1807 0 : for(nPos = 0;nPos<_xCols->getCount();++nPos)
1808 : {
1809 : Reference<XPropertySet> xFindCol(
1810 0 : _xCols->getByIndex(nPos), css::uno::UNO_QUERY);
1811 0 : if(aCase(getString(xFindCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))),aColName))
1812 0 : break;
1813 0 : }
1814 0 : if (nPos >= _xCols->getCount())
1815 : {
1816 0 : nByteOffset += nLen;
1817 70 : continue;
1818 : }
1819 : }
1820 :
1821 :
1822 :
1823 75 : ++nPos; // the row values start at 1
1824 75 : const ORowSetValue &thisColVal = rRow.get()[nPos]->get();
1825 75 : const bool thisColIsBound = thisColVal.isBound();
1826 75 : const bool thisColIsNull = !thisColIsBound || thisColVal.isNull();
1827 : // don't overwrite non-bound columns
1828 75 : if ( ! (bForceAllFields || thisColIsBound) )
1829 : {
1830 : // No - don't overwrite this field, it has not changed.
1831 40 : nByteOffset += nLen;
1832 40 : continue;
1833 : }
1834 35 : if (aIndexedCols[i].is())
1835 : {
1836 0 : Reference<XUnoTunnel> xTunnel(aIndexedCols[i],UNO_QUERY);
1837 : OSL_ENSURE(xTunnel.is(),"No TunnelImplementation!");
1838 0 : ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) );
1839 : OSL_ENSURE(pIndex,"ODbaseTable::UpdateBuffer: No Index returned!");
1840 : // Update !!
1841 0 : if (pOrgRow.is() && !thisColIsNull)
1842 0 : pIndex->Update(m_nFilePos, *(pOrgRow->get())[nPos], thisColVal);
1843 : else
1844 0 : pIndex->Insert(m_nFilePos, thisColVal);
1845 : }
1846 :
1847 35 : char* pData = reinterpret_cast<char *>(m_pBuffer + nByteOffset);
1848 35 : if (thisColIsNull)
1849 : {
1850 30 : if ( bSetZero )
1851 0 : memset(pData,0,nLen); // Clear to NULL char ('\0')
1852 : else
1853 30 : memset(pData,' ',nLen); // Clear to space/blank ('\0x20')
1854 30 : nByteOffset += nLen;
1855 : OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!");
1856 30 : continue;
1857 : }
1858 :
1859 : try
1860 : {
1861 5 : switch (nType)
1862 : {
1863 : case DataType::TIMESTAMP:
1864 : {
1865 0 : sal_Int32 nJulianDate = 0, nJulianTime = 0;
1866 0 : lcl_CalcJulDate(nJulianDate,nJulianTime, thisColVal);
1867 : // Exactly 8 bytes to copy:
1868 0 : memcpy(pData,&nJulianDate,4);
1869 0 : memcpy(pData+4,&nJulianTime,4);
1870 : }
1871 0 : break;
1872 : case DataType::DATE:
1873 : {
1874 0 : ::com::sun::star::util::Date aDate;
1875 0 : if(thisColVal.getTypeKind() == DataType::DOUBLE)
1876 0 : aDate = ::dbtools::DBTypeConversion::toDate(thisColVal.getDouble());
1877 : else
1878 0 : aDate = thisColVal;
1879 : char s[9];
1880 : snprintf(s,
1881 : sizeof(s),
1882 : "%04d%02d%02d",
1883 : (int)aDate.Year,
1884 : (int)aDate.Month,
1885 0 : (int)aDate.Day);
1886 :
1887 : // Exactly 8 bytes to copy:
1888 0 : strncpy(pData,s,sizeof s - 1);
1889 0 : } break;
1890 : case DataType::INTEGER:
1891 : {
1892 0 : sal_Int32 nValue = thisColVal;
1893 0 : if (static_cast<size_t>(nLen) > sizeof(nValue))
1894 0 : return false;
1895 0 : memcpy(pData,&nValue,nLen);
1896 : }
1897 0 : break;
1898 : case DataType::DOUBLE:
1899 : {
1900 0 : const double d = thisColVal;
1901 0 : m_pColumns->getByIndex(i) >>= xCol;
1902 :
1903 0 : if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency is treated separately
1904 : {
1905 0 : sal_Int64 nValue = 0;
1906 0 : if ( m_aScales[i] )
1907 0 : nValue = (sal_Int64)(d * pow(10.0,(int)m_aScales[i]));
1908 : else
1909 0 : nValue = (sal_Int64)(d);
1910 0 : if (static_cast<size_t>(nLen) > sizeof(nValue))
1911 0 : return false;
1912 0 : memcpy(pData,&nValue,nLen);
1913 : } // if (getBOOL(xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))) // Currency is treated separately
1914 : else
1915 : {
1916 0 : if (static_cast<size_t>(nLen) > sizeof(d))
1917 0 : return false;
1918 0 : memcpy(pData,&d,nLen);
1919 : }
1920 : }
1921 0 : break;
1922 : case DataType::DECIMAL:
1923 : {
1924 0 : memset(pData,' ',nLen); // Clear to NULL
1925 :
1926 0 : const double n = thisColVal;
1927 :
1928 : // one, because const_cast GetFormatPrecision on SvNumberFormat is not constant,
1929 : // even though it really could and should be
1930 0 : const OString aDefaultValue( ::rtl::math::doubleToString( n, rtl_math_StringFormat_F, nScale, '.', NULL, 0));
1931 0 : const sal_Int32 nValueLen = aDefaultValue.getLength();
1932 0 : if ( nValueLen <= nLen )
1933 : {
1934 : // Write value right-justified, padded with blanks to the left.
1935 0 : memcpy(pData+nLen-nValueLen,aDefaultValue.getStr(),nValueLen);
1936 : // write the resulting double back
1937 0 : *rRow.get()[nPos] = toDouble(aDefaultValue);
1938 : }
1939 : else
1940 : {
1941 0 : m_pColumns->getByIndex(i) >>= xCol;
1942 : OSL_ENSURE(xCol.is(),"ODbaseTable::UpdateBuffer column is null!");
1943 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName;
1944 0 : ::std::list< ::std::pair<const sal_Char* , OUString > > aStringToSubstitutes;
1945 0 : aStringToSubstitutes.push_back(::std::pair<const sal_Char* , OUString >("$columnname$", aColName));
1946 0 : aStringToSubstitutes.push_back(::std::pair<const sal_Char* , OUString >("$precision$", OUString::number(nLen)));
1947 0 : aStringToSubstitutes.push_back(::std::pair<const sal_Char* , OUString >("$scale$", OUString::number(nScale)));
1948 0 : aStringToSubstitutes.push_back(::std::pair<const sal_Char* , OUString >("$value$", OStringToOUString(aDefaultValue,RTL_TEXTENCODING_UTF8)));
1949 :
1950 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
1951 : STR_INVALID_COLUMN_DECIMAL_VALUE
1952 : ,aStringToSubstitutes
1953 0 : ) );
1954 0 : ::dbtools::throwGenericSQLException( sError, *this );
1955 0 : }
1956 0 : } break;
1957 : case DataType::BIT:
1958 0 : *pData = thisColVal.getBool() ? 'T' : 'F';
1959 0 : break;
1960 : case DataType::LONGVARBINARY:
1961 : case DataType::LONGVARCHAR:
1962 : {
1963 1 : char cNext = pData[nLen]; // Mark's scratch and replaced by 0
1964 1 : pData[nLen] = '\0'; // This is because the buffer is always a sign of greater ...
1965 :
1966 1 : sal_Size nBlockNo = strtol(pData,NULL,10); // Block number read
1967 :
1968 : // Next initial character restore again:
1969 1 : pData[nLen] = cNext;
1970 1 : if (!m_pMemoStream || !WriteMemo(thisColVal, nBlockNo))
1971 0 : break;
1972 :
1973 1 : OString aBlock(OString::number(nBlockNo));
1974 : //align aBlock at the right of a nLen sequence, fill to the left with '0'
1975 2 : OStringBuffer aStr;
1976 1 : comphelper::string::padToLength(aStr, nLen - aBlock.getLength(), '0');
1977 1 : aStr.append(aBlock);
1978 :
1979 : // Copy characters:
1980 2 : memcpy(pData, aStr.getStr(), nLen);
1981 1 : } break;
1982 : default:
1983 : {
1984 4 : memset(pData,' ',nLen); // Clear to NULL
1985 :
1986 4 : OUString sStringToWrite( thisColVal.getString() );
1987 :
1988 : // convert the string, using the connection's encoding
1989 8 : OString sEncoded;
1990 :
1991 4 : DBTypeConversion::convertUnicodeStringToLength( sStringToWrite, sEncoded, nLen, m_eEncoding );
1992 8 : memcpy( pData, sEncoded.getStr(), sEncoded.getLength() );
1993 :
1994 : }
1995 4 : break;
1996 : }
1997 : }
1998 0 : catch( const SQLException& )
1999 : {
2000 0 : throw;
2001 : }
2002 0 : catch ( const Exception& )
2003 : {
2004 0 : m_pColumns->getByIndex(i) >>= xCol;
2005 : OSL_ENSURE( xCol.is(), "ODbaseTable::UpdateBuffer column is null!" );
2006 0 : if ( xCol.is() )
2007 0 : xCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aColName;
2008 :
2009 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
2010 : STR_INVALID_COLUMN_VALUE,
2011 : "$columnname$", aColName
2012 0 : ) );
2013 0 : ::dbtools::throwGenericSQLException( sError, *this );
2014 : }
2015 : // And more ...
2016 5 : nByteOffset += nLen;
2017 : OSL_ENSURE( nByteOffset <= m_nBufferSize ,"ByteOffset > m_nBufferSize!");
2018 : }
2019 10 : return true;
2020 : }
2021 :
2022 :
2023 1 : bool ODbaseTable::WriteMemo(const ORowSetValue& aVariable, sal_Size& rBlockNr)
2024 : {
2025 : // if the BlockNo 0 is given, the block will be appended at the end
2026 1 : sal_Size nSize = 0;
2027 1 : OString aStr;
2028 2 : ::com::sun::star::uno::Sequence<sal_Int8> aValue;
2029 : sal_uInt8 nHeader[4];
2030 1 : const bool bBinary = aVariable.getTypeKind() == DataType::LONGVARBINARY && m_aMemoHeader.db_typ == MemoFoxPro;
2031 1 : if ( bBinary )
2032 : {
2033 0 : aValue = aVariable.getSequence();
2034 0 : nSize = aValue.getLength();
2035 : }
2036 : else
2037 : {
2038 1 : nSize = DBTypeConversion::convertUnicodeString( aVariable.getString(), aStr, m_eEncoding );
2039 : }
2040 :
2041 : // append or overwrite
2042 1 : bool bAppend = rBlockNr == 0;
2043 :
2044 1 : if (!bAppend)
2045 : {
2046 0 : switch (m_aMemoHeader.db_typ)
2047 : {
2048 : case MemodBaseIII: // dBase III-Memofield, ends with 2 * Ctrl-Z
2049 0 : bAppend = nSize > (512 - 2);
2050 0 : break;
2051 : case MemoFoxPro:
2052 : case MemodBaseIV: // dBase IV-Memofield with length
2053 : {
2054 : char sHeader[4];
2055 0 : m_pMemoStream->Seek(rBlockNr * m_aMemoHeader.db_size);
2056 0 : m_pMemoStream->SeekRel(4L);
2057 0 : m_pMemoStream->Read(sHeader,4);
2058 :
2059 : sal_Size nOldSize;
2060 0 : if (m_aMemoHeader.db_typ == MemoFoxPro)
2061 0 : nOldSize = ((((unsigned char)sHeader[0]) * 256 +
2062 0 : (unsigned char)sHeader[1]) * 256 +
2063 0 : (unsigned char)sHeader[2]) * 256 +
2064 0 : (unsigned char)sHeader[3];
2065 : else
2066 0 : nOldSize = ((((unsigned char)sHeader[3]) * 256 +
2067 0 : (unsigned char)sHeader[2]) * 256 +
2068 0 : (unsigned char)sHeader[1]) * 256 +
2069 0 : (unsigned char)sHeader[0] - 8;
2070 :
2071 : // fits the new length in the used blocks
2072 0 : sal_Size nUsedBlocks = ((nSize + 8) / m_aMemoHeader.db_size) + (((nSize + 8) % m_aMemoHeader.db_size > 0) ? 1 : 0),
2073 0 : nOldUsedBlocks = ((nOldSize + 8) / m_aMemoHeader.db_size) + (((nOldSize + 8) % m_aMemoHeader.db_size > 0) ? 1 : 0);
2074 0 : bAppend = nUsedBlocks > nOldUsedBlocks;
2075 : }
2076 : }
2077 : }
2078 :
2079 1 : if (bAppend)
2080 : {
2081 1 : sal_Size nStreamSize = m_pMemoStream->Seek(STREAM_SEEK_TO_END);
2082 : // fill last block
2083 1 : rBlockNr = (nStreamSize / m_aMemoHeader.db_size) + ((nStreamSize % m_aMemoHeader.db_size) > 0 ? 1 : 0);
2084 :
2085 1 : m_pMemoStream->SetStreamSize(rBlockNr * m_aMemoHeader.db_size);
2086 1 : m_pMemoStream->Seek(STREAM_SEEK_TO_END);
2087 : }
2088 : else
2089 : {
2090 0 : m_pMemoStream->Seek(rBlockNr * m_aMemoHeader.db_size);
2091 : }
2092 :
2093 1 : switch (m_aMemoHeader.db_typ)
2094 : {
2095 : case MemodBaseIII: // dBase III-Memofield, ends with Ctrl-Z
2096 : {
2097 1 : const char cEOF = (char) DBF_EOL;
2098 1 : nSize++;
2099 1 : m_pMemoStream->Write( aStr.getStr(), aStr.getLength() );
2100 1 : (*m_pMemoStream).WriteChar( cEOF ).WriteChar( cEOF );
2101 1 : } break;
2102 : case MemoFoxPro:
2103 : case MemodBaseIV: // dBase IV-Memofeld with length
2104 : {
2105 0 : if ( MemodBaseIV == m_aMemoHeader.db_typ )
2106 0 : (*m_pMemoStream).WriteUChar( 0xFF )
2107 0 : .WriteUChar( 0xFF )
2108 0 : .WriteUChar( 0x08 );
2109 : else
2110 0 : (*m_pMemoStream).WriteUChar( 0x00 )
2111 0 : .WriteUChar( 0x00 )
2112 0 : .WriteUChar( 0x00 );
2113 :
2114 0 : sal_uInt32 nWriteSize = nSize;
2115 0 : if (m_aMemoHeader.db_typ == MemoFoxPro)
2116 : {
2117 0 : if ( bBinary )
2118 0 : (*m_pMemoStream).WriteUChar( 0x00 ); // Picture
2119 : else
2120 0 : (*m_pMemoStream).WriteUChar( 0x01 ); // Memo
2121 0 : for (int i = 4; i > 0; nWriteSize >>= 8)
2122 0 : nHeader[--i] = (sal_uInt8) (nWriteSize % 256);
2123 : }
2124 : else
2125 : {
2126 0 : (*m_pMemoStream).WriteUChar( 0x00 );
2127 0 : nWriteSize += 8;
2128 0 : for (int i = 0; i < 4; nWriteSize >>= 8)
2129 0 : nHeader[i++] = (sal_uInt8) (nWriteSize % 256);
2130 : }
2131 :
2132 0 : m_pMemoStream->Write(nHeader,4);
2133 0 : if ( bBinary )
2134 0 : m_pMemoStream->Write( aValue.getConstArray(), aValue.getLength() );
2135 : else
2136 0 : m_pMemoStream->Write( aStr.getStr(), aStr.getLength() );
2137 0 : m_pMemoStream->Flush();
2138 : }
2139 : }
2140 :
2141 :
2142 : // Write the new block number
2143 1 : if (bAppend)
2144 : {
2145 1 : sal_Size nStreamSize = m_pMemoStream->Seek(STREAM_SEEK_TO_END);
2146 1 : m_aMemoHeader.db_next = (nStreamSize / m_aMemoHeader.db_size) + ((nStreamSize % m_aMemoHeader.db_size) > 0 ? 1 : 0);
2147 :
2148 : // Write the new block number
2149 1 : m_pMemoStream->Seek(0L);
2150 1 : (*m_pMemoStream).WriteUInt32( m_aMemoHeader.db_next );
2151 1 : m_pMemoStream->Flush();
2152 : }
2153 2 : return true;
2154 : }
2155 :
2156 :
2157 : // XAlterTable
2158 0 : void SAL_CALL ODbaseTable::alterColumnByName( const OUString& colName, const Reference< XPropertySet >& descriptor ) throw(SQLException, NoSuchElementException, RuntimeException, std::exception)
2159 : {
2160 0 : ::osl::MutexGuard aGuard(m_aMutex);
2161 0 : checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed);
2162 :
2163 :
2164 0 : Reference<XDataDescriptorFactory> xOldColumn;
2165 0 : m_pColumns->getByName(colName) >>= xOldColumn;
2166 :
2167 : try
2168 : {
2169 0 : alterColumn(m_pColumns->findColumn(colName)-1,descriptor,xOldColumn);
2170 : }
2171 0 : catch (const css::lang::IndexOutOfBoundsException&)
2172 : {
2173 0 : throw NoSuchElementException(colName, *this);
2174 0 : }
2175 0 : }
2176 :
2177 0 : void SAL_CALL ODbaseTable::alterColumnByIndex( sal_Int32 index, const Reference< XPropertySet >& descriptor ) throw(SQLException, ::com::sun::star::lang::IndexOutOfBoundsException, RuntimeException, std::exception)
2178 : {
2179 0 : ::osl::MutexGuard aGuard(m_aMutex);
2180 0 : checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed);
2181 :
2182 0 : if(index < 0 || index >= m_pColumns->getCount())
2183 0 : throw IndexOutOfBoundsException(OUString::number(index),*this);
2184 :
2185 0 : Reference<XDataDescriptorFactory> xOldColumn;
2186 0 : m_pColumns->getByIndex(index) >>= xOldColumn;
2187 0 : alterColumn(index,descriptor,xOldColumn);
2188 0 : }
2189 :
2190 0 : void ODbaseTable::alterColumn(sal_Int32 index,
2191 : const Reference< XPropertySet >& descriptor ,
2192 : const Reference< XDataDescriptorFactory >& xOldColumn )
2193 : {
2194 0 : if(index < 0 || index >= m_pColumns->getCount())
2195 0 : throw IndexOutOfBoundsException(OUString::number(index),*this);
2196 :
2197 0 : ODbaseTable* pNewTable = NULL;
2198 : try
2199 : {
2200 : OSL_ENSURE(descriptor.is(),"ODbaseTable::alterColumn: descriptor can not be null!");
2201 : // creates a copy of the original column and copy all properties from descriptor in xCopyColumn
2202 0 : Reference<XPropertySet> xCopyColumn;
2203 0 : if(xOldColumn.is())
2204 0 : xCopyColumn = xOldColumn->createDataDescriptor();
2205 : else
2206 0 : xCopyColumn = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers());
2207 :
2208 0 : ::comphelper::copyProperties(descriptor,xCopyColumn);
2209 :
2210 : // creates a temp file
2211 :
2212 0 : OUString sTempName = createTempFile();
2213 :
2214 0 : pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection));
2215 0 : Reference<XPropertySet> xHoldTable = pNewTable;
2216 0 : pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(sTempName));
2217 0 : Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY);
2218 : OSL_ENSURE(xAppend.is(),"ODbaseTable::alterColumn: No XAppend interface!");
2219 :
2220 : // copy the structure
2221 0 : sal_Int32 i=0;
2222 0 : for(;i < index;++i)
2223 : {
2224 0 : Reference<XPropertySet> xProp;
2225 0 : m_pColumns->getByIndex(i) >>= xProp;
2226 0 : Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY);
2227 0 : Reference<XPropertySet> xCpy;
2228 0 : if(xColumn.is())
2229 0 : xCpy = xColumn->createDataDescriptor();
2230 : else
2231 0 : xCpy = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers());
2232 0 : ::comphelper::copyProperties(xProp,xCpy);
2233 0 : xAppend->appendByDescriptor(xCpy);
2234 0 : }
2235 0 : ++i; // now insert our new column
2236 0 : xAppend->appendByDescriptor(xCopyColumn);
2237 :
2238 0 : for(;i < m_pColumns->getCount();++i)
2239 : {
2240 0 : Reference<XPropertySet> xProp;
2241 0 : m_pColumns->getByIndex(i) >>= xProp;
2242 0 : Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY);
2243 0 : Reference<XPropertySet> xCpy;
2244 0 : if(xColumn.is())
2245 0 : xCpy = xColumn->createDataDescriptor();
2246 : else
2247 0 : xCpy = new OColumn(getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers());
2248 0 : ::comphelper::copyProperties(xProp,xCpy);
2249 0 : xAppend->appendByDescriptor(xCpy);
2250 0 : }
2251 :
2252 : // construct the new table
2253 0 : if(!pNewTable->CreateImpl())
2254 : {
2255 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
2256 : STR_COLUMN_NOT_ALTERABLE,
2257 0 : "$columnname$", ::comphelper::getString(descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)))
2258 0 : ) );
2259 0 : ::dbtools::throwGenericSQLException( sError, *this );
2260 : }
2261 :
2262 0 : pNewTable->construct();
2263 :
2264 : // copy the data
2265 0 : copyData(pNewTable,0);
2266 :
2267 : // now drop the old one
2268 0 : if( DropImpl() ) // we don't want to delete the memo columns too
2269 : {
2270 : try
2271 : {
2272 : // rename the new one to the old one
2273 0 : pNewTable->renameImpl(m_Name);
2274 : }
2275 0 : catch(const css::container::ElementExistException&)
2276 : {
2277 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
2278 : STR_COULD_NOT_DELETE_FILE,
2279 : "$filename$", m_Name
2280 0 : ) );
2281 0 : ::dbtools::throwGenericSQLException( sError, *this );
2282 : }
2283 : // release the temp file
2284 0 : pNewTable = NULL;
2285 0 : ::comphelper::disposeComponent(xHoldTable);
2286 : }
2287 : else
2288 : {
2289 0 : pNewTable = NULL;
2290 : }
2291 0 : FileClose();
2292 0 : construct();
2293 0 : if(m_pColumns)
2294 0 : m_pColumns->refresh();
2295 :
2296 : }
2297 0 : catch(const SQLException&)
2298 : {
2299 0 : throw;
2300 : }
2301 0 : catch(const Exception&)
2302 : {
2303 : SAL_WARN( "connectivity.drivers","ODbaseTable::alterColumn: Exception occurred!");
2304 0 : throw;
2305 : }
2306 0 : }
2307 :
2308 0 : Reference< XDatabaseMetaData> ODbaseTable::getMetaData() const
2309 : {
2310 0 : return getConnection()->getMetaData();
2311 : }
2312 :
2313 0 : void SAL_CALL ODbaseTable::rename( const OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException, std::exception)
2314 : {
2315 0 : ::osl::MutexGuard aGuard(m_aMutex);
2316 0 : checkDisposed(OTableDescriptor_BASE::rBHelper.bDisposed);
2317 0 : if(m_pTables && m_pTables->hasByName(newName))
2318 0 : throw ElementExistException(newName,*this);
2319 :
2320 :
2321 0 : renameImpl(newName);
2322 :
2323 0 : ODbaseTable_BASE::rename(newName);
2324 :
2325 0 : construct();
2326 0 : if(m_pColumns)
2327 0 : m_pColumns->refresh();
2328 0 : }
2329 : namespace
2330 : {
2331 0 : void renameFile(OConnection* _pConenction,const OUString& oldName,
2332 : const OUString& newName,const OUString& _sExtension)
2333 : {
2334 0 : OUString aName = ODbaseTable::getEntry(_pConenction,oldName);
2335 0 : if(aName.isEmpty())
2336 : {
2337 0 : OUString aIdent = _pConenction->getContent()->getIdentifier()->getContentIdentifier();
2338 0 : if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) )
2339 0 : aIdent += "/";
2340 0 : aIdent += oldName;
2341 0 : aName = aIdent;
2342 : }
2343 0 : INetURLObject aURL;
2344 0 : aURL.SetURL(aName);
2345 :
2346 0 : aURL.setExtension( _sExtension );
2347 0 : OUString sNewName(newName + "." + _sExtension);
2348 :
2349 : try
2350 : {
2351 0 : Content aContent(aURL.GetMainURL(INetURLObject::NO_DECODE),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
2352 :
2353 0 : Sequence< PropertyValue > aProps( 1 );
2354 0 : aProps[0].Name = "Title";
2355 0 : aProps[0].Handle = -1; // n/a
2356 0 : aProps[0].Value = makeAny( sNewName );
2357 0 : Sequence< Any > aValues;
2358 0 : aContent.executeCommand( "setPropertyValues",makeAny(aProps) ) >>= aValues;
2359 0 : if(aValues.getLength() && aValues[0].hasValue())
2360 0 : throw Exception();
2361 : }
2362 0 : catch(const Exception&)
2363 : {
2364 0 : throw ElementExistException(newName);
2365 0 : }
2366 0 : }
2367 : }
2368 :
2369 0 : void SAL_CALL ODbaseTable::renameImpl( const OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException)
2370 : {
2371 0 : ::osl::MutexGuard aGuard(m_aMutex);
2372 :
2373 0 : FileClose();
2374 :
2375 :
2376 0 : renameFile(m_pConnection,m_Name,newName,m_pConnection->getExtension());
2377 0 : if ( HasMemoFields() )
2378 : { // delete the memo fields
2379 0 : OUString sExt("dbt");
2380 0 : renameFile(m_pConnection,m_Name,newName,sExt);
2381 0 : }
2382 0 : }
2383 :
2384 0 : void ODbaseTable::addColumn(const Reference< XPropertySet >& _xNewColumn)
2385 : {
2386 0 : OUString sTempName = createTempFile();
2387 :
2388 0 : ODbaseTable* pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection));
2389 0 : Reference< XPropertySet > xHold = pNewTable;
2390 0 : pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(sTempName));
2391 : {
2392 0 : Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY);
2393 0 : bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers();
2394 : // copy the structure
2395 0 : for(sal_Int32 i=0;i < m_pColumns->getCount();++i)
2396 : {
2397 0 : Reference<XPropertySet> xProp;
2398 0 : m_pColumns->getByIndex(i) >>= xProp;
2399 0 : Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY);
2400 0 : Reference<XPropertySet> xCpy;
2401 0 : if(xColumn.is())
2402 0 : xCpy = xColumn->createDataDescriptor();
2403 : else
2404 : {
2405 0 : xCpy = new OColumn(bCase);
2406 0 : ::comphelper::copyProperties(xProp,xCpy);
2407 : }
2408 :
2409 0 : xAppend->appendByDescriptor(xCpy);
2410 0 : }
2411 0 : Reference<XPropertySet> xCpy = new OColumn(bCase);
2412 0 : ::comphelper::copyProperties(_xNewColumn,xCpy);
2413 0 : xAppend->appendByDescriptor(xCpy);
2414 : }
2415 :
2416 : // construct the new table
2417 0 : if(!pNewTable->CreateImpl())
2418 : {
2419 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
2420 : STR_COLUMN_NOT_ADDABLE,
2421 0 : "$columnname$", ::comphelper::getString(_xNewColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)))
2422 0 : ) );
2423 0 : ::dbtools::throwGenericSQLException( sError, *this );
2424 : }
2425 :
2426 0 : bool bAlreadyDroped = false;
2427 : try
2428 : {
2429 0 : pNewTable->construct();
2430 : // copy the data
2431 0 : copyData(pNewTable,pNewTable->m_pColumns->getCount());
2432 : // drop the old table
2433 0 : if(DropImpl())
2434 : {
2435 0 : bAlreadyDroped = true;
2436 0 : pNewTable->renameImpl(m_Name);
2437 : // release the temp file
2438 : }
2439 0 : xHold = pNewTable = NULL;
2440 :
2441 0 : FileClose();
2442 0 : construct();
2443 0 : if(m_pColumns)
2444 0 : m_pColumns->refresh();
2445 : }
2446 0 : catch(const SQLException&)
2447 : {
2448 : // here we know that the old table wasn't dropped before
2449 0 : if(!bAlreadyDroped)
2450 0 : xHold = pNewTable = NULL;
2451 :
2452 0 : throw;
2453 0 : }
2454 0 : }
2455 :
2456 0 : void ODbaseTable::dropColumn(sal_Int32 _nPos)
2457 : {
2458 0 : OUString sTempName = createTempFile();
2459 :
2460 0 : ODbaseTable* pNewTable = new ODbaseTable(m_pTables,static_cast<ODbaseConnection*>(m_pConnection));
2461 0 : Reference< XPropertySet > xHold = pNewTable;
2462 0 : pNewTable->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(sTempName));
2463 : {
2464 0 : Reference<XAppend> xAppend(pNewTable->getColumns(),UNO_QUERY);
2465 0 : bool bCase = getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers();
2466 : // copy the structure
2467 0 : for(sal_Int32 i=0;i < m_pColumns->getCount();++i)
2468 : {
2469 0 : if(_nPos != i)
2470 : {
2471 0 : Reference<XPropertySet> xProp;
2472 0 : m_pColumns->getByIndex(i) >>= xProp;
2473 0 : Reference<XDataDescriptorFactory> xColumn(xProp,UNO_QUERY);
2474 0 : Reference<XPropertySet> xCpy;
2475 0 : if(xColumn.is())
2476 0 : xCpy = xColumn->createDataDescriptor();
2477 : else
2478 : {
2479 0 : xCpy = new OColumn(bCase);
2480 0 : ::comphelper::copyProperties(xProp,xCpy);
2481 : }
2482 0 : xAppend->appendByDescriptor(xCpy);
2483 : }
2484 0 : }
2485 : }
2486 :
2487 : // construct the new table
2488 0 : if(!pNewTable->CreateImpl())
2489 : {
2490 0 : xHold = pNewTable = NULL;
2491 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
2492 : STR_COLUMN_NOT_DROP,
2493 : "$position$", OUString::number(_nPos)
2494 0 : ) );
2495 0 : ::dbtools::throwGenericSQLException( sError, *this );
2496 : }
2497 0 : pNewTable->construct();
2498 : // copy the data
2499 0 : copyData(pNewTable,_nPos);
2500 : // drop the old table
2501 0 : if(DropImpl())
2502 0 : pNewTable->renameImpl(m_Name);
2503 : // release the temp file
2504 :
2505 0 : xHold = pNewTable = NULL;
2506 :
2507 0 : FileClose();
2508 0 : construct();
2509 0 : }
2510 :
2511 0 : OUString ODbaseTable::createTempFile()
2512 : {
2513 0 : OUString aIdent = m_pConnection->getContent()->getIdentifier()->getContentIdentifier();
2514 0 : if ( aIdent.lastIndexOf('/') != (aIdent.getLength()-1) )
2515 0 : aIdent += "/";
2516 :
2517 0 : OUString sTempName(aIdent);
2518 0 : OUString sExt("." + m_pConnection->getExtension());
2519 0 : OUString sName(m_Name);
2520 0 : TempFile aTempFile(sName, true, &sExt, &sTempName);
2521 0 : if(!aTempFile.IsValid())
2522 0 : getConnection()->throwGenericSQLException(STR_COULD_NOT_ALTER_TABLE, *this);
2523 :
2524 0 : INetURLObject aURL;
2525 0 : aURL.SetSmartProtocol(INetProtocol::File);
2526 0 : aURL.SetURL(aTempFile.GetURL());
2527 :
2528 0 : OUString sNewName(aURL.getName().copy(0, aURL.getName().getLength() - sExt.getLength()));
2529 :
2530 0 : return sNewName;
2531 : }
2532 :
2533 0 : void ODbaseTable::copyData(ODbaseTable* _pNewTable,sal_Int32 _nPos)
2534 : {
2535 0 : sal_Int32 nPos = _nPos + 1; // +1 because we always have the bookmark clumn as well
2536 0 : OValueRefRow aRow = new OValueRefVector(m_pColumns->getCount());
2537 0 : OValueRefRow aInsertRow;
2538 0 : if(_nPos)
2539 : {
2540 0 : aInsertRow = new OValueRefVector(_pNewTable->m_pColumns->getCount());
2541 0 : ::std::for_each(aInsertRow->get().begin(),aInsertRow->get().end(),TSetRefBound(true));
2542 : }
2543 : else
2544 0 : aInsertRow = aRow;
2545 :
2546 : // we only have to bind the values which we need to copy into the new table
2547 0 : ::std::for_each(aRow->get().begin(),aRow->get().end(),TSetRefBound(true));
2548 0 : if(_nPos && (_nPos < (sal_Int32)aRow->get().size()))
2549 0 : (aRow->get())[nPos]->setBound(false);
2550 :
2551 :
2552 : sal_Int32 nCurPos;
2553 0 : OValueRefVector::Vector::iterator aIter;
2554 0 : for(sal_uInt32 nRowPos = 0; nRowPos < m_aHeader.db_anz;++nRowPos)
2555 : {
2556 0 : bool bOk = seekRow( IResultSetHelper::BOOKMARK, nRowPos+1, nCurPos );
2557 0 : if ( bOk )
2558 : {
2559 0 : bOk = fetchRow( aRow, *m_aColumns, true, true);
2560 0 : if ( bOk && !aRow->isDeleted() ) // copy only not deleted rows
2561 : {
2562 : // special handling when pos == 0 then we don't have to distinguish between the two rows
2563 0 : if(_nPos)
2564 : {
2565 0 : aIter = aRow->get().begin()+1;
2566 0 : sal_Int32 nCount = 1;
2567 0 : for(OValueRefVector::Vector::iterator aInsertIter = aInsertRow->get().begin()+1; aIter != aRow->get().end() && aInsertIter != aInsertRow->get().end();++aIter,++nCount)
2568 : {
2569 0 : if(nPos != nCount)
2570 : {
2571 0 : (*aInsertIter)->setValue( (*aIter)->getValue() );
2572 0 : ++aInsertIter;
2573 : }
2574 : }
2575 : }
2576 0 : bOk = _pNewTable->InsertRow(*aInsertRow,true,_pNewTable->m_pColumns);
2577 : SAL_WARN_IF(!bOk, "connectivity.drivers", "Row could not be inserted!"); (void)bOk;
2578 : }
2579 : else
2580 : {
2581 : SAL_WARN_IF(!bOk, "connectivity.drivers", "Row could not be fetched!"); (void)bOk;
2582 : }
2583 : }
2584 : else
2585 : {
2586 : OSL_ASSERT(false);
2587 : }
2588 0 : } // for(sal_uInt32 nRowPos = 0; nRowPos < m_aHeader.db_anz;++nRowPos)
2589 0 : }
2590 :
2591 0 : void ODbaseTable::throwInvalidDbaseFormat()
2592 : {
2593 0 : FileClose();
2594 : // no dbase file
2595 :
2596 0 : const OUString sError( getConnection()->getResources().getResourceStringWithSubstitution(
2597 : STR_INVALID_DBASE_FILE,
2598 : "$filename$", getEntry(m_pConnection,m_Name)
2599 0 : ) );
2600 0 : ::dbtools::throwGenericSQLException( sError, *this );
2601 0 : }
2602 :
2603 21 : void ODbaseTable::refreshHeader()
2604 : {
2605 21 : if ( m_aHeader.db_anz == 0 )
2606 0 : readHeader();
2607 21 : }
2608 :
2609 2278 : bool ODbaseTable::seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos)
2610 : {
2611 : // prepare positioning:
2612 : OSL_ENSURE(m_pFileStream,"ODbaseTable::seekRow: FileStream is NULL!");
2613 :
2614 2278 : sal_uInt32 nNumberOfRecords = (sal_uInt32)m_aHeader.db_anz;
2615 2278 : sal_uInt32 nTempPos = m_nFilePos;
2616 2278 : m_nFilePos = nCurPos;
2617 :
2618 2278 : switch(eCursorPosition)
2619 : {
2620 : case IResultSetHelper::NEXT:
2621 130 : ++m_nFilePos;
2622 130 : break;
2623 : case IResultSetHelper::PRIOR:
2624 0 : if (m_nFilePos > 0)
2625 0 : --m_nFilePos;
2626 0 : break;
2627 : case IResultSetHelper::FIRST:
2628 0 : m_nFilePos = 1;
2629 0 : break;
2630 : case IResultSetHelper::LAST:
2631 0 : m_nFilePos = nNumberOfRecords;
2632 0 : break;
2633 : case IResultSetHelper::RELATIVE1:
2634 : m_nFilePos = (((sal_Int32)m_nFilePos) + nOffset < 0) ? 0L
2635 0 : : (sal_uInt32)(((sal_Int32)m_nFilePos) + nOffset);
2636 0 : break;
2637 : case IResultSetHelper::ABSOLUTE1:
2638 : case IResultSetHelper::BOOKMARK:
2639 2148 : m_nFilePos = (sal_uInt32)nOffset;
2640 2148 : break;
2641 : }
2642 :
2643 2278 : if (m_nFilePos > (sal_Int32)nNumberOfRecords)
2644 0 : m_nFilePos = (sal_Int32)nNumberOfRecords + 1;
2645 :
2646 2278 : if (m_nFilePos == 0 || m_nFilePos == (sal_Int32)nNumberOfRecords + 1)
2647 : goto Error;
2648 : else
2649 : {
2650 2251 : sal_Size nEntryLen = m_aHeader.db_slng;
2651 :
2652 : OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position");
2653 2251 : sal_Size nPos = m_aHeader.db_kopf + (sal_Size)(m_nFilePos-1) * nEntryLen;
2654 :
2655 2251 : m_pFileStream->Seek(nPos);
2656 2251 : if (m_pFileStream->GetError() != ERRCODE_NONE)
2657 0 : goto Error;
2658 :
2659 2251 : sal_Size nRead = m_pFileStream->Read(m_pBuffer, nEntryLen);
2660 2251 : if (nRead != nEntryLen)
2661 : {
2662 : SAL_WARN("connectivity.drivers", "ODbaseTable::seekRow: short read!");
2663 0 : goto Error;
2664 : }
2665 2251 : if (m_pFileStream->GetError() != ERRCODE_NONE)
2666 0 : goto Error;
2667 : }
2668 2251 : goto End;
2669 :
2670 : Error:
2671 27 : switch(eCursorPosition)
2672 : {
2673 : case IResultSetHelper::PRIOR:
2674 : case IResultSetHelper::FIRST:
2675 0 : m_nFilePos = 0;
2676 0 : break;
2677 : case IResultSetHelper::LAST:
2678 : case IResultSetHelper::NEXT:
2679 : case IResultSetHelper::ABSOLUTE1:
2680 : case IResultSetHelper::RELATIVE1:
2681 27 : if (nOffset > 0)
2682 0 : m_nFilePos = nNumberOfRecords + 1;
2683 27 : else if (nOffset < 0)
2684 0 : m_nFilePos = 0;
2685 27 : break;
2686 : case IResultSetHelper::BOOKMARK:
2687 0 : m_nFilePos = nTempPos; // last position
2688 : }
2689 27 : return false;
2690 :
2691 : End:
2692 2251 : nCurPos = m_nFilePos;
2693 2251 : return true;
2694 : }
2695 :
2696 15831 : bool ODbaseTable::ReadMemo(sal_Size nBlockNo, ORowSetValue& aVariable)
2697 : {
2698 15831 : m_pMemoStream->Seek(nBlockNo * m_aMemoHeader.db_size);
2699 15831 : switch (m_aMemoHeader.db_typ)
2700 : {
2701 : case MemodBaseIII: // dBase III-Memofield, ends with Ctrl-Z
2702 : {
2703 15831 : const char cEOF = (char) DBF_EOL;
2704 15831 : OStringBuffer aBStr;
2705 : static char aBuf[514];
2706 15831 : aBuf[512] = 0; // avoid random value
2707 15831 : bool bReady = false;
2708 :
2709 15831 : do
2710 : {
2711 15831 : m_pMemoStream->Read(&aBuf,512);
2712 :
2713 15831 : sal_uInt16 i = 0;
2714 15831 : while (aBuf[i] != cEOF && ++i < 512)
2715 : ;
2716 15831 : bReady = aBuf[i] == cEOF;
2717 :
2718 15831 : aBuf[i] = 0;
2719 15831 : aBStr.append(aBuf);
2720 :
2721 15831 : } while (!bReady && !m_pMemoStream->IsEof());
2722 :
2723 31662 : aVariable = OStringToOUString(aBStr.makeStringAndClear(),
2724 31662 : m_eEncoding);
2725 :
2726 15831 : } break;
2727 : case MemoFoxPro:
2728 : case MemodBaseIV: // dBase IV-Memofield with length
2729 : {
2730 0 : bool bIsText = true;
2731 : char sHeader[4];
2732 0 : m_pMemoStream->Read(sHeader,4);
2733 : // Foxpro stores text and binary data
2734 0 : if (m_aMemoHeader.db_typ == MemoFoxPro)
2735 : {
2736 0 : bIsText = sHeader[3] != 0;
2737 : }
2738 0 : else if (((sal_uInt8)sHeader[0]) != 0xFF || ((sal_uInt8)sHeader[1]) != 0xFF || ((sal_uInt8)sHeader[2]) != 0x08)
2739 : {
2740 0 : return false;
2741 : }
2742 :
2743 0 : sal_uInt32 nLength(0);
2744 0 : (*m_pMemoStream).ReadUInt32( nLength );
2745 :
2746 0 : if (m_aMemoHeader.db_typ == MemodBaseIV)
2747 0 : nLength -= 8;
2748 :
2749 0 : if ( nLength )
2750 : {
2751 0 : if ( bIsText )
2752 : {
2753 0 : OStringBuffer aBuffer(read_uInt8s_ToOString(*m_pMemoStream, nLength));
2754 : //pad it out with ' ' to expected length on short read
2755 0 : sal_Int32 nRequested = sal::static_int_cast<sal_Int32>(nLength);
2756 0 : comphelper::string::padToLength(aBuffer, nRequested, ' ');
2757 0 : aVariable = OStringToOUString(aBuffer.makeStringAndClear(), m_eEncoding);
2758 : } // if ( bIsText )
2759 : else
2760 : {
2761 0 : ::com::sun::star::uno::Sequence< sal_Int8 > aData(nLength);
2762 0 : m_pMemoStream->Read(aData.getArray(),nLength);
2763 0 : aVariable = aData;
2764 : }
2765 : } // if ( nLength )
2766 : }
2767 : }
2768 15831 : return true;
2769 : }
2770 :
2771 20 : bool ODbaseTable::AllocBuffer()
2772 : {
2773 20 : sal_uInt16 nSize = m_aHeader.db_slng;
2774 : SAL_WARN_IF(nSize == 0, "connectivity.drivers", "Size too small");
2775 :
2776 20 : if (m_nBufferSize != nSize)
2777 : {
2778 15 : delete m_pBuffer;
2779 15 : m_pBuffer = NULL;
2780 : }
2781 :
2782 : // if there is no buffer available: allocate:
2783 20 : if (m_pBuffer == NULL && nSize > 0)
2784 : {
2785 15 : m_nBufferSize = nSize;
2786 15 : m_pBuffer = new sal_uInt8[m_nBufferSize+1];
2787 : }
2788 :
2789 20 : return m_pBuffer != NULL;
2790 : }
2791 :
2792 5 : bool ODbaseTable::WriteBuffer()
2793 : {
2794 : OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position");
2795 :
2796 : // position on desired record:
2797 5 : sal_Size nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng;
2798 5 : m_pFileStream->Seek(nPos);
2799 5 : return m_pFileStream->Write(m_pBuffer, m_aHeader.db_slng) > 0;
2800 : }
2801 :
2802 21 : sal_Int32 ODbaseTable::getCurrentLastPos() const
2803 : {
2804 21 : return m_aHeader.db_anz;
2805 : }
2806 :
2807 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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