sfx2/source/doc/oleprops.cxx

   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
  21 #include "oleprops.hxx"
  22
  23 #include <comphelper/types.hxx>
  24 #include <o3tl/safeint.hxx>
  25 #include <tools/datetime.hxx>
  26 #include <rtl/tencinfo.h>
  27 #include <sal/log.hxx>
  28
  29
  30 #define STREAM_BUFFER_SIZE 2048
  31
  32 // usings
  33 using ::com::sun::star::uno::Any;
  34
  35 using namespace ::com::sun::star;
  36
  37 #define TIMESTAMP_INVALID_DATETIME      ( DateTime ( Date ( 1, 1, 1601 ), tools::Time ( 0, 0, 0 ) ) )  /// Invalid value for date and time to create invalid instance of TimeStamp.
  38 /// Invalid value for date and time to create invalid instance of TimeStamp.
  39 #define TIMESTAMP_INVALID_UTILDATETIME  (util::DateTime(0, 0, 0, 0, 1, 1, 1601, false))
  40 /// Invalid value for date to create invalid instance of TimeStamp.
  41 #define TIMESTAMP_INVALID_UTILDATE  (util::Date(1, 1, 1601))
  42
  43 namespace {
  44
  45 /** Property representing a signed 32-bit integer value. */
  46 class SfxOleInt32Property : public SfxOlePropertyBase
  47 {
  48 public:
  49     explicit            SfxOleInt32Property( sal_Int32 nPropId, sal_Int32 nValue = 0 );
  50
  51     sal_Int32    GetValue() const { return mnValue; }
  52
  53 private:
  54     virtual void        ImplLoad( SvStream& rStrm ) override;
  55     virtual void        ImplSave( SvStream& rStrm ) override;
  56
  57 private:
  58     sal_Int32           mnValue;
  59 };
  60
  61
  62 /** Property representing a floating-point value. */
  63 class SfxOleDoubleProperty : public SfxOlePropertyBase
  64 {
  65 public:
  66     explicit            SfxOleDoubleProperty( sal_Int32 nPropId, double fValue = 0.0 );
  67
  68     double       GetValue() const { return mfValue; }
  69
  70 private:
  71     virtual void        ImplLoad( SvStream& rStrm ) override;
  72     virtual void        ImplSave( SvStream& rStrm ) override;
  73
  74 private:
  75     double              mfValue;
  76 };
  77
  78
  79 /** Property representing a boolean value. */
  80 class SfxOleBoolProperty : public SfxOlePropertyBase
  81 {
  82 public:
  83     explicit            SfxOleBoolProperty( sal_Int32 nPropId, bool bValue = false );
  84
  85     bool         GetValue() const { return mbValue; }
  86
  87 private:
  88     virtual void        ImplLoad( SvStream& rStrm ) override;
  89     virtual void        ImplSave( SvStream& rStrm ) override;
  90
  91 private:
  92     bool                mbValue;
  93 };
  94
  95
  96 /** Base class for properties that contain a single string value. */
  97 class SfxOleStringPropertyBase : public SfxOlePropertyBase, public SfxOleStringHelper
  98 {
  99 public:
 100     explicit            SfxOleStringPropertyBase(
 101                             sal_Int32 nPropId, sal_Int32 nPropType,
 102                             const SfxOleTextEncoding& rTextEnc );
 103     explicit            SfxOleStringPropertyBase(
 104                             sal_Int32 nPropId, sal_Int32 nPropType,
 105                             const SfxOleTextEncoding& rTextEnc, const OUString& rValue );
 106     explicit            SfxOleStringPropertyBase(
 107                             sal_Int32 nPropId, sal_Int32 nPropType,
 108                             rtl_TextEncoding eTextEnc );
 109
 110     const OUString& GetValue() const { return maValue; }
 111     void            SetValue( const OUString& rValue ) { maValue = rValue; }
 112
 113 private:
 114     OUString            maValue;
 115 };
 116
 117
 118 /** Property representing a bytestring value. */
 119 class SfxOleString8Property : public SfxOleStringPropertyBase
 120 {
 121 public:
 122     explicit            SfxOleString8Property(
 123                             sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc );
 124     explicit            SfxOleString8Property(
 125                             sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc,
 126                             const OUString& rValue );
 127
 128 private:
 129     virtual void        ImplLoad( SvStream& rStrm ) override;
 130     virtual void        ImplSave( SvStream& rStrm ) override;
 131 };
 132
 133
 134 /** Property representing a Unicode string value. */
 135 class SfxOleString16Property : public SfxOleStringPropertyBase
 136 {
 137 public:
 138     explicit            SfxOleString16Property( sal_Int32 nPropId );
 139
 140 private:
 141     virtual void        ImplLoad( SvStream& rStrm ) override;
 142     virtual void        ImplSave( SvStream& rStrm ) override;
 143 };
 144
 145
 146 /** Property representing a filetime value as defined by the Windows API. */
 147 class SfxOleFileTimeProperty : public SfxOlePropertyBase
 148 {
 149 public:
 150     explicit            SfxOleFileTimeProperty( sal_Int32 nPropId );
 151     /** @param rDateTime  Date and time as LOCAL time. */
 152     explicit            SfxOleFileTimeProperty( sal_Int32 nPropId, const util::DateTime& rDateTime );
 153
 154     /** Returns the time value as LOCAL time. */
 155     const util::DateTime& GetValue() const { return maDateTime; }
 156
 157 private:
 158     virtual void        ImplLoad( SvStream& rStrm ) override;
 159     virtual void        ImplSave( SvStream& rStrm ) override;
 160
 161 private:
 162     util::DateTime      maDateTime;
 163 };
 164
 165 /** Property representing a filetime value as defined by the Windows API. */
 166 class SfxOleDateProperty : public SfxOlePropertyBase
 167 {
 168 public:
 169     explicit            SfxOleDateProperty( sal_Int32 nPropId );
 170
 171     /** Returns the date value as LOCAL time. */
 172     const util::Date& GetValue() const { return maDate; }
 173
 174 private:
 175     virtual void        ImplLoad( SvStream& rStrm ) override;
 176     virtual void        ImplSave( SvStream& rStrm ) override;
 177
 178 private:
 179     util::Date      maDate;
 180 };
 181
 182
 183 /** Property representing a thumbnail picture.
 184
 185     Currently, only saving this property is implemented.
 186  */
 187 class SfxOleThumbnailProperty : public SfxOlePropertyBase
 188 {
 189 public:
 190     explicit            SfxOleThumbnailProperty( sal_Int32 nPropId,
 191                             const uno::Sequence<sal_Int8> & i_rData);
 192
 193     bool         IsValid() const { return mData.hasElements(); }
 194
 195 private:
 196     virtual void        ImplLoad( SvStream& rStrm ) override;
 197     virtual void        ImplSave( SvStream& rStrm ) override;
 198
 199 private:
 200     uno::Sequence<sal_Int8>    mData;
 201 };
 202
 203
 204 /** Property representing a BLOB (which presumably stands for binary large
 205     object).
 206
 207     Currently, only saving this property is implemented.
 208  */
 209 class SfxOleBlobProperty : public SfxOlePropertyBase
 210 {
 211 public:
 212     explicit            SfxOleBlobProperty( sal_Int32 nPropId,
 213                             const uno::Sequence<sal_Int8> & i_rData);
 214     bool         IsValid() const { return mData.hasElements(); }
 215
 216 private:
 217     virtual void        ImplLoad( SvStream& rStrm ) override;
 218     virtual void        ImplSave( SvStream& rStrm ) override;
 219
 220 private:
 221     uno::Sequence<sal_Int8>    mData;
 222 };
 223
 224 }
 225
 226 sal_uInt16 SfxOleTextEncoding::GetCodePage() const
 227 {
 228     sal_uInt16 nCodePage = IsUnicode() ? CODEPAGE_UNICODE :
 229         static_cast< sal_uInt16 >( rtl_getWindowsCodePageFromTextEncoding( *mxTextEnc ) );
 230     return (nCodePage == CODEPAGE_UNKNOWN) ? CODEPAGE_UTF8 : nCodePage;
 231 }
 232
 233 void SfxOleTextEncoding::SetCodePage( sal_uInt16 nCodePage )
 234 {
 235     if( nCodePage == CODEPAGE_UNICODE )
 236         SetUnicode();
 237     else
 238     {
 239         rtl_TextEncoding eTextEnc = rtl_getTextEncodingFromWindowsCodePage( nCodePage );
 240         if( eTextEnc != RTL_TEXTENCODING_DONTKNOW )
 241             *mxTextEnc = eTextEnc;
 242     }
 243 }
 244
 245
 246 OUString SfxOleStringHelper::LoadString8( SvStream& rStrm ) const
 247 {
 248     return IsUnicode() ? ImplLoadString16( rStrm ) : ImplLoadString8( rStrm );
 249 }
 250
 251 void SfxOleStringHelper::SaveString8( SvStream& rStrm, const OUString& rValue ) const
 252 {
 253     if( IsUnicode() )
 254         ImplSaveString16( rStrm, rValue );
 255     else
 256         ImplSaveString8( rStrm, rValue );
 257 }
 258
 259 OUString SfxOleStringHelper::LoadString16( SvStream& rStrm )
 260 {
 261     return ImplLoadString16( rStrm );
 262 }
 263
 264 void SfxOleStringHelper::SaveString16( SvStream& rStrm, const OUString& rValue )
 265 {
 266     ImplSaveString16( rStrm, rValue );
 267 }
 268
 269 OUString SfxOleStringHelper::ImplLoadString8( SvStream& rStrm ) const
 270 {
 271     // read size field (signed 32-bit)
 272     sal_Int32 nSize(0);
 273     rStrm.ReadInt32( nSize );
 274     // size field includes trailing NUL character
 275     SAL_WARN_IF(nSize < 1 || nSize > 0xFFFF, "sfx.doc", "SfxOleStringHelper::ImplLoadString8 - invalid string of len " << nSize);
 276     if (nSize < 1 || nSize > 0xFFFF)
 277         return OUString();
 278     // load character buffer
 279     OString sValue(read_uInt8s_ToOString(rStrm, nSize - 1));
 280     if (rStrm.good() && rStrm.remainingSize())
 281         rStrm.SeekRel(1);  // skip null-byte at end
 282     return OStringToOUString(sValue, GetTextEncoding());
 283 }
 284
 285 OUString SfxOleStringHelper::ImplLoadString16( SvStream& rStrm )
 286 {
 287     // read size field (signed 32-bit), may be buffer size or character count
 288     sal_Int32 nSize(0);
 289     rStrm.ReadInt32(nSize);
 290     SAL_WARN_IF(nSize < 1 || nSize > 0xFFFF, "sfx.doc", "SfxOleStringHelper::ImplLoadString16 - invalid string of len " << nSize);
 291     // size field includes trailing NUL character
 292     if (nSize < 1 || nSize > 0xFFFF)
 293         return OUString();
 294     // load character buffer
 295     OUString aValue = read_uInt16s_ToOUString(rStrm, nSize - 1);
 296     sal_Int32 nSkip(2); // skip null-byte at end
 297     // stream is always padded to 32-bit boundary, skip 2 bytes on odd character count
 298     if ((nSize & 1) == 1)
 299         nSkip += 2;
 300     nSkip = std::min<sal_uInt32>(nSkip, rStrm.remainingSize());
 301     if (rStrm.good() && nSkip)
 302         rStrm.SeekRel(nSkip);
 303     return aValue;
 304 }
 305
 306 void SfxOleStringHelper::ImplSaveString8( SvStream& rStrm, std::u16string_view rValue ) const
 307 {
 308     // encode to byte string
 309     OString aEncoded(OUStringToOString(rValue, GetTextEncoding()));
 310     // write size field (including trailing NUL character)
 311     sal_Int32 nSize = aEncoded.getLength() + 1;
 312     rStrm.WriteInt32( nSize );
 313     // write character array with trailing NUL character
 314     rStrm.WriteBytes(aEncoded.getStr(), aEncoded.getLength());
 315     rStrm.WriteUChar( 0 );
 316 }
 317
 318 void SfxOleStringHelper::ImplSaveString16( SvStream& rStrm, const OUString& rValue )
 319 {
 320     // write size field (including trailing NUL character)
 321     sal_Int32 nSize = static_cast< sal_Int32 >( rValue.getLength() + 1 );
 322     rStrm.WriteInt32( nSize );
 323     // write character array with trailing NUL character
 324     for( sal_Int32 nIdx = 0; nIdx < rValue.getLength(); ++nIdx )
 325         rStrm.WriteUInt16( rValue[ nIdx ] );
 326     rStrm.WriteUInt16( 0 );
 327     // stream is always padded to 32-bit boundary, add 2 bytes on odd character count
 328     if( (nSize & 1) == 1 )
 329         rStrm.WriteUInt16( 0 );
 330 }
 331
 332
 333 SfxOleObjectBase::~SfxOleObjectBase()
 334 {
 335 }
 336
 337 ErrCode const & SfxOleObjectBase::Load( SvStream& rStrm )
 338 {
 339     mnErrCode = ERRCODE_NONE;
 340     ImplLoad( rStrm );
 341     SetError( rStrm.GetErrorCode() );
 342     return GetError();
 343 }
 344
 345 ErrCode const & SfxOleObjectBase::Save( SvStream& rStrm )
 346 {
 347     mnErrCode = ERRCODE_NONE;
 348     ImplSave( rStrm );
 349     SetError( rStrm.GetErrorCode() );
 350     return GetError();
 351 }
 352
 353 void SfxOleObjectBase::LoadObject( SvStream& rStrm, SfxOleObjectBase& rObj )
 354 {
 355     SetError( rObj.Load( rStrm ) );
 356 }
 357
 358 void SfxOleObjectBase::SaveObject( SvStream& rStrm, SfxOleObjectBase& rObj )
 359 {
 360     SetError( rObj.Save( rStrm ) );
 361 }
 362
 363
 364 SfxOleCodePageProperty::SfxOleCodePageProperty() :
 365     SfxOlePropertyBase( PROPID_CODEPAGE, PROPTYPE_INT16 )
 366 {
 367 }
 368
 369 void SfxOleCodePageProperty::ImplLoad(SvStream& rStrm)
 370 {
 371     // property type is signed int16, but we use always unsigned int16 for codepages
 372     sal_uInt16 nCodePage(0);
 373     rStrm.ReadUInt16(nCodePage);
 374     SetCodePage(nCodePage);
 375 }
 376
 377 void SfxOleCodePageProperty::ImplSave( SvStream& rStrm )
 378 {
 379     // property type is signed int16, but we use always unsigned int16 for codepages
 380     rStrm.WriteUInt16( GetCodePage() );
 381 }
 382
 383
 384 SfxOleInt32Property::SfxOleInt32Property( sal_Int32 nPropId, sal_Int32 nValue ) :
 385     SfxOlePropertyBase( nPropId, PROPTYPE_INT32 ),
 386     mnValue( nValue )
 387 {
 388 }
 389
 390 void SfxOleInt32Property::ImplLoad( SvStream& rStrm )
 391 {
 392     rStrm.ReadInt32( mnValue );
 393 }
 394
 395 void SfxOleInt32Property::ImplSave( SvStream& rStrm )
 396 {
 397     rStrm.WriteInt32( mnValue );
 398 }
 399
 400
 401 SfxOleDoubleProperty::SfxOleDoubleProperty( sal_Int32 nPropId, double fValue ) :
 402     SfxOlePropertyBase( nPropId, PROPTYPE_DOUBLE ),
 403     mfValue( fValue )
 404 {
 405 }
 406
 407 void SfxOleDoubleProperty::ImplLoad( SvStream& rStrm )
 408 {
 409     rStrm.ReadDouble( mfValue );
 410 }
 411
 412 void SfxOleDoubleProperty::ImplSave( SvStream& rStrm )
 413 {
 414     rStrm.WriteDouble( mfValue );
 415 }
 416
 417
 418 SfxOleBoolProperty::SfxOleBoolProperty( sal_Int32 nPropId, bool bValue ) :
 419     SfxOlePropertyBase( nPropId, PROPTYPE_BOOL ),
 420     mbValue( bValue )
 421 {
 422 }
 423
 424 void SfxOleBoolProperty::ImplLoad( SvStream& rStrm )
 425 {
 426     sal_Int16 nValue(0);
 427     rStrm.ReadInt16( nValue );
 428     mbValue = nValue != 0;
 429 }
 430
 431 void SfxOleBoolProperty::ImplSave( SvStream& rStrm )
 432 {
 433     rStrm.WriteInt16( mbValue ? -1 : 0 );
 434 }
 435
 436
 437 SfxOleStringPropertyBase::SfxOleStringPropertyBase(
 438         sal_Int32 nPropId, sal_Int32 nPropType, const SfxOleTextEncoding& rTextEnc ) :
 439     SfxOlePropertyBase( nPropId, nPropType ),
 440     SfxOleStringHelper( rTextEnc )
 441 {
 442 }
 443
 444 SfxOleStringPropertyBase::SfxOleStringPropertyBase(
 445         sal_Int32 nPropId, sal_Int32 nPropType, const SfxOleTextEncoding& rTextEnc, const OUString& rValue ) :
 446     SfxOlePropertyBase( nPropId, nPropType ),
 447     SfxOleStringHelper( rTextEnc ),
 448     maValue( rValue )
 449 {
 450 }
 451
 452 SfxOleStringPropertyBase::SfxOleStringPropertyBase(
 453         sal_Int32 nPropId, sal_Int32 nPropType, rtl_TextEncoding eTextEnc ) :
 454     SfxOlePropertyBase( nPropId, nPropType ),
 455     SfxOleStringHelper( eTextEnc )
 456 {
 457 }
 458
 459
 460 SfxOleString8Property::SfxOleString8Property(
 461         sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc ) :
 462     SfxOleStringPropertyBase( nPropId, PROPTYPE_STRING8, rTextEnc )
 463 {
 464 }
 465
 466 SfxOleString8Property::SfxOleString8Property(
 467         sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc, const OUString& rValue ) :
 468     SfxOleStringPropertyBase( nPropId, PROPTYPE_STRING8, rTextEnc, rValue )
 469 {
 470 }
 471
 472 void SfxOleString8Property::ImplLoad( SvStream& rStrm )
 473 {
 474     SetValue( LoadString8( rStrm ) );
 475 }
 476
 477 void SfxOleString8Property::ImplSave( SvStream& rStrm )
 478 {
 479     SaveString8( rStrm, GetValue() );
 480 }
 481
 482
 483 SfxOleString16Property::SfxOleString16Property( sal_Int32 nPropId ) :
 484     SfxOleStringPropertyBase( nPropId, PROPTYPE_STRING16, RTL_TEXTENCODING_UCS2 )
 485 {
 486 }
 487
 488 void SfxOleString16Property::ImplLoad( SvStream& rStrm )
 489 {
 490     SetValue( LoadString16( rStrm ) );
 491 }
 492
 493 void SfxOleString16Property::ImplSave( SvStream& rStrm )
 494 {
 495     SaveString16( rStrm, GetValue() );
 496 }
 497
 498
 499 SfxOleFileTimeProperty::SfxOleFileTimeProperty( sal_Int32 nPropId ) :
 500     SfxOlePropertyBase( nPropId, PROPTYPE_FILETIME )
 501 {
 502 }
 503
 504 SfxOleFileTimeProperty::SfxOleFileTimeProperty( sal_Int32 nPropId, const util::DateTime& rDateTime ) :
 505     SfxOlePropertyBase( nPropId, PROPTYPE_FILETIME ),
 506     maDateTime( rDateTime )
 507 {
 508 }
 509
 510 void SfxOleFileTimeProperty::ImplLoad( SvStream& rStrm )
 511 {
 512     sal_uInt32 nLower(0), nUpper(0);
 513     rStrm.ReadUInt32( nLower ).ReadUInt32( nUpper );
 514     ::DateTime aDateTime = DateTime::CreateFromWin32FileDateTime( nLower, nUpper );
 515     // note: editing duration is stored as offset to TIMESTAMP_INVALID_DATETIME
 516     //       of course we should not convert the time zone of a duration!
 517     // heuristic to detect editing durations (which we assume to be < 1 year):
 518     // check only the year, not the entire date
 519     if ( aDateTime.GetYear() != TIMESTAMP_INVALID_DATETIME.GetYear() )
 520         aDateTime.ConvertToLocalTime();
 521     maDateTime.Year    = aDateTime.GetYear();
 522     maDateTime.Month   = aDateTime.GetMonth();
 523     maDateTime.Day     = aDateTime.GetDay();
 524     maDateTime.Hours   = aDateTime.GetHour();
 525     maDateTime.Minutes = aDateTime.GetMin();
 526     maDateTime.Seconds = aDateTime.GetSec();
 527     maDateTime.NanoSeconds = aDateTime.GetNanoSec();
 528     maDateTime.IsUTC   = false;
 529 }
 530
 531 void SfxOleFileTimeProperty::ImplSave( SvStream& rStrm )
 532 {
 533     DateTime aDateTimeUtc(
 534             Date(
 535                 maDateTime.Day,
 536                 maDateTime.Month,
 537                 static_cast< sal_uInt16 >( maDateTime.Year ) ),
 538             tools::Time(
 539                 maDateTime.Hours,
 540                 maDateTime.Minutes,
 541                 maDateTime.Seconds,
 542                 maDateTime.NanoSeconds ) );
 543     // invalid time stamp is not converted to UTC
 544     // heuristic to detect editing durations (which we assume to be < 1 year):
 545     // check only the year, not the entire date
 546     if( aDateTimeUtc.IsValidAndGregorian()
 547         && aDateTimeUtc.GetYear() != TIMESTAMP_INVALID_DATETIME.GetYear() ) {
 548             aDateTimeUtc.ConvertToUTC();
 549     }
 550     sal_uInt32 nLower, nUpper;
 551     aDateTimeUtc.GetWin32FileDateTime( nLower, nUpper );
 552     rStrm.WriteUInt32( nLower ).WriteUInt32( nUpper );
 553 }
 554
 555 SfxOleDateProperty::SfxOleDateProperty( sal_Int32 nPropId ) :
 556     SfxOlePropertyBase( nPropId, PROPTYPE_DATE )
 557 {
 558 }
 559
 560 void SfxOleDateProperty::ImplLoad( SvStream& rStrm )
 561 {
 562     double fValue(0.0);
 563     rStrm.ReadDouble( fValue );
 564     //stored as number of days (not seconds) since December 31, 1899
 565     sal_Int32 nDays = fValue;
 566     sal_Int32 nStartDays = ::Date::DateToDays(31, 12, 1899);
 567     if (o3tl::checked_add(nStartDays, nDays, nStartDays))
 568         SAL_WARN("sfx.doc", "SfxOleDateProperty::ImplLoad bad date, ignored");
 569     else
 570     {
 571         ::Date aDate(31, 12, 1899);
 572         aDate.AddDays(nDays);
 573         maDate.Day = aDate.GetDay();
 574         maDate.Month = aDate.GetMonth();
 575         maDate.Year = aDate.GetYear();
 576     }
 577 }
 578
 579 void SfxOleDateProperty::ImplSave( SvStream& rStrm )
 580 {
 581     sal_Int32 nDays = ::Date::DateToDays(maDate.Day, maDate.Month, maDate.Year);
 582     //number of days (not seconds) since December 31, 1899
 583     sal_Int32 nStartDays = ::Date::DateToDays(31, 12, 1899);
 584     double fValue = nDays-nStartDays;
 585     rStrm.WriteDouble( fValue );
 586 }
 587
 588
 589 SfxOleThumbnailProperty::SfxOleThumbnailProperty(
 590         sal_Int32 nPropId, const uno::Sequence<sal_Int8> & i_rData) :
 591     SfxOlePropertyBase( nPropId, PROPTYPE_CLIPFMT ),
 592     mData(i_rData)
 593 {
 594 }
 595
 596 void SfxOleThumbnailProperty::ImplLoad( SvStream& )
 597 {
 598     SAL_WARN( "sfx.doc", "SfxOleThumbnailProperty::ImplLoad - not implemented" );
 599     SetError( SVSTREAM_INVALID_ACCESS );
 600 }
 601
 602 void SfxOleThumbnailProperty::ImplSave( SvStream& rStrm )
 603 {
 604     /*  Type        Contents
 605         -----------------------------------------------------------------------
 606         int32       size of following data
 607         int32       clipboard format tag (see below)
 608         byte[]      clipboard data (see below)
 609
 610         Clipboard format tag:
 611             -1 = Windows clipboard format
 612             -2 = Macintosh clipboard format
 613             -3 = GUID that contains a format identifier (FMTID)
 614             >0 = custom clipboard format name plus data (see msdn site below)
 615             0  = no data
 616
 617         References:
 618         http://msdn.microsoft.com/library/default.asp?url=/library/en-us/stg/stg/propvariant.asp
 619         http://jakarta.apache.org/poi/hpsf/thumbnails.html
 620         http://linux.com.hk/docs/poi/org/apache/poi/hpsf/Thumbnail.html
 621         https://web.archive.org/web/20060126202945/http://sparks.discreet.com/knowledgebase/public/solutions/ExtractThumbnailImg.htm
 622      */
 623     if( IsValid() )
 624     {
 625         // clipboard size: clip_format_tag + data_format_tag + bitmap_len
 626         sal_Int32 nClipSize = static_cast< sal_Int32 >( 4 + 4 + mData.getLength() );
 627         rStrm.WriteInt32( nClipSize ).WriteInt32( CLIPFMT_WIN ).WriteInt32( CLIPDATAFMT_DIB );
 628         rStrm.WriteBytes(mData.getConstArray(), mData.getLength());
 629     }
 630     else
 631     {
 632         SAL_WARN( "sfx.doc", "SfxOleThumbnailProperty::ImplSave - invalid thumbnail property" );
 633         SetError( SVSTREAM_INVALID_ACCESS );
 634     }
 635 }
 636
 637
 638 SfxOleBlobProperty::SfxOleBlobProperty( sal_Int32 nPropId,
 639         const uno::Sequence<sal_Int8> & i_rData) :
 640     SfxOlePropertyBase( nPropId, PROPTYPE_BLOB ),
 641     mData(i_rData)
 642 {
 643 }
 644
 645 void SfxOleBlobProperty::ImplLoad( SvStream& )
 646 {
 647     SAL_WARN( "sfx.doc", "SfxOleBlobProperty::ImplLoad - not implemented" );
 648     SetError( SVSTREAM_INVALID_ACCESS );
 649 }
 650
 651 void SfxOleBlobProperty::ImplSave( SvStream& rStrm )
 652 {
 653     if (IsValid()) {
 654         rStrm.WriteBytes(mData.getConstArray(), mData.getLength());
 655     } else {
 656         SAL_WARN( "sfx.doc", "SfxOleBlobProperty::ImplSave - invalid BLOB property" );
 657         SetError( SVSTREAM_INVALID_ACCESS );
 658     }
 659 }
 660
 661
 662 SfxOleDictionaryProperty::SfxOleDictionaryProperty( const SfxOleTextEncoding& rTextEnc ) :
 663     SfxOlePropertyBase( PROPID_DICTIONARY, 0 ),
 664     SfxOleStringHelper( rTextEnc )
 665 {
 666 }
 667
 668 OUString SfxOleDictionaryProperty::GetPropertyName( sal_Int32 nPropId ) const
 669 {
 670     SfxOlePropNameMap::const_iterator aIt = maPropNameMap.find( nPropId );
 671     return (aIt == maPropNameMap.end()) ? OUString() : aIt->second;
 672 }
 673
 674 void SfxOleDictionaryProperty::SetPropertyName( sal_Int32 nPropId, const OUString& rPropName )
 675 {
 676     maPropNameMap[ nPropId ] = rPropName;
 677     // dictionary property contains number of pairs in property type field
 678     SetPropType( static_cast< sal_Int32 >( maPropNameMap.size() ) );
 679 }
 680
 681 void SfxOleDictionaryProperty::ImplLoad( SvStream& rStrm )
 682 {
 683     // dictionary property contains number of pairs in property type field
 684     sal_Int32 nNameCount = GetPropType();
 685     // read property ID/name pairs
 686     maPropNameMap.clear();
 687     for (sal_Int32 nIdx = 0; nIdx < nNameCount && rStrm.good() && rStrm.remainingSize() >= 4; ++nIdx)
 688     {
 689         sal_Int32 nPropId(0);
 690         rStrm.ReadInt32(nPropId);
 691         // name always stored as byte string
 692         maPropNameMap[nPropId] = LoadString8(rStrm);
 693     }
 694 }
 695
 696 void SfxOleDictionaryProperty::ImplSave( SvStream& rStrm )
 697 {
 698     // write property ID/name pairs
 699     for (auto const& propName : maPropNameMap)
 700     {
 701         rStrm.WriteInt32( propName.first );
 702         // name always stored as byte string
 703         SaveString8( rStrm, propName.second );
 704     }
 705 }
 706
 707
 708 SfxOleSection::SfxOleSection( bool bSupportsDict ) :
 709     maDictProp( maCodePageProp ),
 710     mnStartPos( 0 ),
 711     mbSupportsDict( bSupportsDict )
 712 {
 713 }
 714
 715 SfxOlePropertyRef SfxOleSection::GetProperty( sal_Int32 nPropId ) const
 716 {
 717     SfxOlePropertyRef xProp;
 718     SfxOlePropMap::const_iterator aIt = maPropMap.find( nPropId );
 719     if( aIt != maPropMap.end() )
 720         xProp = aIt->second;
 721     return xProp;
 722 }
 723
 724 bool SfxOleSection::GetInt32Value( sal_Int32& rnValue, sal_Int32 nPropId ) const
 725 {
 726     SfxOlePropertyRef xProp = GetProperty( nPropId );
 727     const SfxOleInt32Property* pProp =
 728         dynamic_cast< const SfxOleInt32Property* >( xProp.get() );
 729     if( pProp )
 730         rnValue = pProp->GetValue();
 731     return pProp != nullptr;
 732 }
 733
 734 bool SfxOleSection::GetDoubleValue( double& rfValue, sal_Int32 nPropId ) const
 735 {
 736     SfxOlePropertyRef xProp = GetProperty( nPropId );
 737     const SfxOleDoubleProperty* pProp =
 738         dynamic_cast< const SfxOleDoubleProperty* >( xProp.get() );
 739     if( pProp )
 740         rfValue = pProp->GetValue();
 741     return pProp != nullptr;
 742 }
 743
 744 bool SfxOleSection::GetBoolValue( bool& rbValue, sal_Int32 nPropId ) const
 745 {
 746     SfxOlePropertyRef xProp = GetProperty( nPropId );
 747     const SfxOleBoolProperty* pProp =
 748         dynamic_cast< const SfxOleBoolProperty* >( xProp.get() );
 749     if( pProp )
 750         rbValue = pProp->GetValue();
 751     return pProp != nullptr;
 752 }
 753
 754 bool SfxOleSection::GetStringValue( OUString& rValue, sal_Int32 nPropId ) const
 755 {
 756     SfxOlePropertyRef xProp = GetProperty( nPropId );
 757     const SfxOleStringPropertyBase* pProp =
 758         dynamic_cast< const SfxOleStringPropertyBase* >( xProp.get() );
 759     if( pProp )
 760         rValue = pProp->GetValue();
 761     return pProp != nullptr;
 762 }
 763
 764 bool SfxOleSection::GetFileTimeValue( util::DateTime& rValue, sal_Int32 nPropId ) const
 765 {
 766     SfxOlePropertyRef xProp = GetProperty( nPropId );
 767     const SfxOleFileTimeProperty* pProp =
 768         dynamic_cast< const SfxOleFileTimeProperty* >( xProp.get() );
 769     if( pProp )
 770     {
 771         if ( pProp->GetValue() == TIMESTAMP_INVALID_UTILDATETIME )
 772             rValue = util::DateTime();
 773         else
 774             rValue = pProp->GetValue();
 775     }
 776     return pProp != nullptr;
 777 }
 778
 779 bool SfxOleSection::GetDateValue( util::Date& rValue, sal_Int32 nPropId ) const
 780 {
 781     SfxOlePropertyRef xProp = GetProperty( nPropId );
 782     const SfxOleDateProperty* pProp =
 783         dynamic_cast< const SfxOleDateProperty* >( xProp.get() );
 784     if( pProp )
 785     {
 786         if ( pProp->GetValue() == TIMESTAMP_INVALID_UTILDATE )
 787             rValue = util::Date();
 788         else
 789             rValue = pProp->GetValue();
 790     }
 791     return pProp != nullptr;
 792 }
 793
 794 void SfxOleSection::SetProperty( const SfxOlePropertyRef& xProp )
 795 {
 796     if( xProp )
 797         maPropMap[ xProp->GetPropId() ] = xProp;
 798 }
 799
 800 void SfxOleSection::SetInt32Value( sal_Int32 nPropId, sal_Int32 nValue )
 801 {
 802     SetProperty( std::make_shared<SfxOleInt32Property>( nPropId, nValue ) );
 803 }
 804
 805 void SfxOleSection::SetDoubleValue( sal_Int32 nPropId, double fValue )
 806 {
 807     SetProperty( std::make_shared<SfxOleDoubleProperty>( nPropId, fValue ) );
 808 }
 809
 810 void SfxOleSection::SetBoolValue( sal_Int32 nPropId, bool bValue )
 811 {
 812     SetProperty( std::make_shared<SfxOleBoolProperty>( nPropId, bValue ) );
 813 }
 814
 815 bool SfxOleSection::SetStringValue( sal_Int32 nPropId, const OUString& rValue )
 816 {
 817     bool bInserted = !rValue.isEmpty();
 818     if( bInserted )
 819         SetProperty( std::make_shared<SfxOleString8Property>( nPropId, maCodePageProp, rValue ) );
 820     return bInserted;
 821 }
 822
 823 void SfxOleSection::SetFileTimeValue( sal_Int32 nPropId, const util::DateTime& rValue )
 824 {
 825     if ( rValue.Year == 0 || rValue.Month == 0 || rValue.Day == 0 )
 826         SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, TIMESTAMP_INVALID_UTILDATETIME ) );
 827     else
 828         SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, rValue ) );
 829 }
 830
 831 void SfxOleSection::SetDateValue( sal_Int32 nPropId, const util::Date& rValue )
 832 {
 833     //Annoyingly MS2010 considers VT_DATE apparently as an invalid possibility, so here we use VT_FILETIME
 834     //instead :-(
 835     if ( rValue.Year == 0 || rValue.Month == 0 || rValue.Day == 0 )
 836         SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, TIMESTAMP_INVALID_UTILDATETIME ) );
 837     else
 838     {
 839         const util::DateTime aValue(0, 0, 0, 0, rValue.Day, rValue.Month,
 840                 rValue.Year, false );
 841         SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, aValue ) );
 842     }
 843 }
 844
 845 void SfxOleSection::SetThumbnailValue( sal_Int32 nPropId,
 846     const uno::Sequence<sal_Int8> & i_rData)
 847 {
 848     auto pThumbnail = std::make_shared<SfxOleThumbnailProperty>( nPropId, i_rData );
 849     if( pThumbnail->IsValid() )
 850         SetProperty( pThumbnail );
 851 }
 852
 853 void SfxOleSection::SetBlobValue( sal_Int32 nPropId,
 854     const uno::Sequence<sal_Int8> & i_rData)
 855 {
 856     auto pBlob = std::make_shared<SfxOleBlobProperty>( nPropId, i_rData );
 857     if( pBlob->IsValid() )
 858         SetProperty( pBlob );
 859 }
 860
 861 Any SfxOleSection::GetAnyValue( sal_Int32 nPropId ) const
 862 {
 863     Any aValue;
 864     sal_Int32 nInt32 = 0;
 865     double fDouble = 0.0;
 866     bool bBool = false;
 867     OUString aString;
 868     css::util::DateTime aApiDateTime;
 869     css::util::Date aApiDate;
 870
 871     if( GetInt32Value( nInt32, nPropId ) )
 872         aValue <<= nInt32;
 873     else if( GetDoubleValue( fDouble, nPropId ) )
 874         aValue <<= fDouble;
 875     else if( GetBoolValue( bBool, nPropId ) )
 876         aValue <<= bBool;
 877     else if( GetStringValue( aString, nPropId ) )
 878         aValue <<= aString;
 879     else if( GetFileTimeValue( aApiDateTime, nPropId ) )
 880     {
 881         aValue <<= aApiDateTime;
 882     }
 883     else if( GetDateValue( aApiDate, nPropId ) )
 884     {
 885         aValue <<= aApiDate;
 886     }
 887     return aValue;
 888 }
 889
 890 bool SfxOleSection::SetAnyValue( sal_Int32 nPropId, const Any& rValue )
 891 {
 892     bool bInserted = true;
 893     sal_Int32 nInt32 = 0;
 894     double fDouble = 0.0;
 895     OUString aString;
 896     css::util::DateTime aApiDateTime;
 897     css::util::Date aApiDate;
 898
 899     if( rValue.getValueType() == cppu::UnoType<bool>::get() )
 900         SetBoolValue( nPropId, ::comphelper::getBOOL( rValue ) );
 901     else if( rValue >>= nInt32 )
 902         SetInt32Value( nPropId, nInt32 );
 903     else if( rValue >>= fDouble )
 904         SetDoubleValue( nPropId, fDouble );
 905     else if( rValue >>= aString )
 906         bInserted = SetStringValue( nPropId, aString );
 907     else if( rValue >>= aApiDateTime )
 908         SetFileTimeValue( nPropId, aApiDateTime );
 909     else if( rValue >>= aApiDate )
 910         SetDateValue( nPropId, aApiDate );
 911     else
 912         bInserted = false;
 913     return bInserted;
 914 }
 915
 916 OUString SfxOleSection::GetPropertyName( sal_Int32 nPropId ) const
 917 {
 918     return maDictProp.GetPropertyName( nPropId );
 919 }
 920
 921 void SfxOleSection::SetPropertyName( sal_Int32 nPropId, const OUString& rPropName )
 922 {
 923     maDictProp.SetPropertyName( nPropId, rPropName );
 924 }
 925
 926 void SfxOleSection::GetPropertyIds( ::std::vector< sal_Int32 >& rPropIds ) const
 927 {
 928     rPropIds.clear();
 929     for (auto const& prop : maPropMap)
 930         rPropIds.push_back(prop.first);
 931 }
 932
 933 sal_Int32 SfxOleSection::GetFreePropertyId() const
 934 {
 935     return maPropMap.empty() ? PROPID_FIRSTCUSTOM : (maPropMap.rbegin()->first + 1);
 936 }
 937
 938 void SfxOleSection::ImplLoad( SvStream& rStrm )
 939 {
 940     // read section header
 941     mnStartPos = rStrm.Tell();
 942     sal_uInt32 nSize(0);
 943     sal_Int32 nPropCount(0);
 944     rStrm.ReadUInt32( nSize ).ReadInt32( nPropCount );
 945
 946     // read property ID/position pairs
 947     typedef ::std::map< sal_Int32, sal_uInt32 > SfxOlePropPosMap;
 948     SfxOlePropPosMap aPropPosMap;
 949     for (sal_Int32 nPropIdx = 0; nPropIdx < nPropCount && rStrm.good(); ++nPropIdx)
 950     {
 951         sal_Int32 nPropId(0);
 952         sal_uInt32 nPropPos(0);
 953         rStrm.ReadInt32( nPropId ).ReadUInt32( nPropPos );
 954         aPropPosMap[ nPropId ] = nPropPos;
 955     }
 956
 957     // read codepage property
 958     SfxOlePropPosMap::iterator aCodePageIt = aPropPosMap.find( PROPID_CODEPAGE );
 959     if( (aCodePageIt != aPropPosMap.end()) && SeekToPropertyPos( rStrm, aCodePageIt->second ) )
 960     {
 961         // codepage property must be of type signed int-16
 962         sal_Int32 nPropType(0);
 963         rStrm.ReadInt32( nPropType );
 964         if( nPropType == PROPTYPE_INT16 )
 965             LoadObject( rStrm, maCodePageProp );
 966         // remove property position
 967         aPropPosMap.erase( aCodePageIt );
 968     }
 969
 970     // read dictionary property
 971     SfxOlePropPosMap::iterator aDictIt = aPropPosMap.find( PROPID_DICTIONARY );
 972     if( (aDictIt != aPropPosMap.end()) && SeekToPropertyPos( rStrm, aDictIt->second ) )
 973     {
 974         // #i66214# #i66428# applications may write broken dictionary properties in wrong sections
 975         if( mbSupportsDict )
 976         {
 977             // dictionary property contains number of pairs in property type field
 978             sal_Int32 nNameCount(0);
 979             rStrm.ReadInt32( nNameCount );
 980             maDictProp.SetNameCount( nNameCount );
 981             LoadObject( rStrm, maDictProp );
 982         }
 983         // always remove position of dictionary property (do not try to read it again below)
 984         aPropPosMap.erase( aDictIt );
 985     }
 986
 987     // read other properties
 988     maPropMap.clear();
 989     for (auto const& propPos : aPropPosMap)
 990         if( SeekToPropertyPos( rStrm, propPos.second ) )
 991             LoadProperty( rStrm, propPos.first );
 992 }
 993
 994 void SfxOleSection::ImplSave( SvStream& rStrm )
 995 {
 996     /*  Always export with UTF-8 encoding. All dependent properties (bytestring
 997         and dictionary) will be updated automatically. */
 998     maCodePageProp.SetTextEncoding( RTL_TEXTENCODING_UTF8 );
 999
1000     // write section header
1001     mnStartPos = rStrm.Tell();
1002     sal_Int32 nPropCount = static_cast< sal_Int32 >( maPropMap.size() + 1 );
1003     if( maDictProp.HasPropertyNames() )
1004         ++nPropCount;
1005     rStrm.WriteUInt32( 0 ).WriteInt32( nPropCount );
1006
1007     // write placeholders for property ID/position pairs
1008     sal_uInt64 nPropPosPos = rStrm.Tell();
1009     rStrm.SeekRel( static_cast< sal_sSize >( 8 * nPropCount ) );
1010
1011     // write dictionary property
1012     if( maDictProp.HasPropertyNames() )
1013         SaveProperty( rStrm, maDictProp, nPropPosPos );
1014     // write codepage property
1015     SaveProperty( rStrm, maCodePageProp, nPropPosPos );
1016     // write other properties
1017     for (auto const& prop : maPropMap)
1018         SaveProperty( rStrm, *prop.second, nPropPosPos );
1019
1020     // write section size (first field in section header)
1021     sal_uInt32 nSectSize = static_cast< sal_uInt32 >( rStrm.TellEnd() - mnStartPos );
1022     rStrm.Seek( mnStartPos );
1023     rStrm.WriteUInt32( nSectSize );
1024 }
1025
1026 bool SfxOleSection::SeekToPropertyPos( SvStream& rStrm, sal_uInt32 nPropPos ) const
1027 {
1028     return checkSeek(rStrm, static_cast<std::size_t>(mnStartPos + nPropPos)) &&
1029            rStrm.GetErrorCode() == ERRCODE_NONE;
1030 }
1031
1032 void SfxOleSection::LoadProperty( SvStream& rStrm, sal_Int32 nPropId )
1033 {
1034     // property data type
1035     sal_Int32 nPropType(0);
1036     rStrm.ReadInt32( nPropType );
1037     // create empty property object
1038     SfxOlePropertyRef xProp;
1039     switch( nPropType )
1040     {
1041         case PROPTYPE_INT32:
1042             xProp = std::make_shared<SfxOleInt32Property>( nPropId );
1043         break;
1044         case PROPTYPE_DOUBLE:
1045             xProp = std::make_shared<SfxOleDoubleProperty>( nPropId );
1046         break;
1047         case PROPTYPE_BOOL:
1048             xProp = std::make_shared<SfxOleBoolProperty>( nPropId );
1049         break;
1050         case PROPTYPE_STRING8:
1051             xProp = std::make_shared<SfxOleString8Property>( nPropId, maCodePageProp );
1052         break;
1053         case PROPTYPE_STRING16:
1054             xProp = std::make_shared<SfxOleString16Property>( nPropId );
1055         break;
1056         case PROPTYPE_FILETIME:
1057             xProp = std::make_shared<SfxOleFileTimeProperty>( nPropId );
1058         break;
1059         case PROPTYPE_DATE:
1060             xProp = std::make_shared<SfxOleDateProperty>( nPropId );
1061         break;
1062     }
1063     // load property contents
1064     if( xProp )
1065     {
1066         SetError( xProp->Load( rStrm ) );
1067         maPropMap[ nPropId ] = xProp;
1068     }
1069 }
1070
1071 void SfxOleSection::SaveProperty( SvStream& rStrm, SfxOlePropertyBase& rProp, sal_uInt64 & rnPropPosPos )
1072 {
1073     rStrm.Seek( STREAM_SEEK_TO_END );
1074     sal_uInt32 nPropPos = static_cast< sal_uInt32 >( rStrm.Tell() - mnStartPos );
1075     // property data type
1076     rStrm.WriteInt32( rProp.GetPropType() );
1077     // write property contents
1078     SaveObject( rStrm, rProp );
1079     // align to 32-bit
1080     while( (rStrm.Tell() & 3) != 0 )
1081         rStrm.WriteUChar( 0 );
1082     // write property ID/position pair
1083     rStrm.Seek( rnPropPosPos );
1084     rStrm.WriteInt32( rProp.GetPropId() ).WriteUInt32( nPropPos );
1085     rnPropPosPos = rStrm.Tell();
1086 }
1087
1088
1089 ErrCode const & SfxOlePropertySet::LoadPropertySet( SotStorage* pStrg, const OUString& rStrmName )
1090 {
1091     if( pStrg )
1092     {
1093         tools::SvRef<SotStorageStream> xStrm = pStrg->OpenSotStream( rStrmName, StreamMode::STD_READ );
1094         if( xStrm.is() && (xStrm->GetError() == ERRCODE_NONE) )
1095         {
1096             xStrm->SetBufferSize( STREAM_BUFFER_SIZE );
1097             Load( *xStrm );
1098         }
1099         else
1100             SetError( ERRCODE_IO_ACCESSDENIED );
1101     }
1102     else
1103         SetError( ERRCODE_IO_ACCESSDENIED );
1104     return GetError();
1105 }
1106
1107 ErrCode const & SfxOlePropertySet::SavePropertySet( SotStorage* pStrg, const OUString& rStrmName )
1108 {
1109     if( pStrg )
1110     {
1111         tools::SvRef<SotStorageStream> xStrm = pStrg->OpenSotStream( rStrmName, StreamMode::TRUNC | StreamMode::STD_WRITE );
1112         if( xStrm.is() )
1113             Save( *xStrm );
1114         else
1115             SetError( ERRCODE_IO_ACCESSDENIED );
1116     }
1117     else
1118         SetError( ERRCODE_IO_ACCESSDENIED );
1119     return GetError();
1120 }
1121
1122 SfxOleSectionRef SfxOlePropertySet::GetSection( SfxOleSectionType eSection ) const
1123 {
1124     return GetSection( GetSectionGuid( eSection ) );
1125 }
1126
1127 SfxOleSectionRef SfxOlePropertySet::GetSection( const SvGlobalName& rSectionGuid ) const
1128 {
1129     SfxOleSectionRef xSection;
1130     SfxOleSectionMap::const_iterator aIt = maSectionMap.find( rSectionGuid );
1131     if( aIt != maSectionMap.end() )
1132         xSection = aIt->second;
1133     return xSection;
1134 }
1135
1136 SfxOleSection& SfxOlePropertySet::AddSection( SfxOleSectionType eSection )
1137 {
1138     return AddSection( GetSectionGuid( eSection ) );
1139 }
1140
1141 SfxOleSection& SfxOlePropertySet::AddSection( const SvGlobalName& rSectionGuid )
1142 {
1143     SfxOleSectionRef xSection = GetSection( rSectionGuid );
1144     if( !xSection )
1145     {
1146         // #i66214# #i66428# applications may write broken dictionary properties in wrong sections
1147         bool bSupportsDict = rSectionGuid == GetSectionGuid( SECTION_CUSTOM );
1148         xSection = std::make_shared<SfxOleSection>( bSupportsDict );
1149         maSectionMap[ rSectionGuid ] = xSection;
1150     }
1151     return *xSection;
1152 }
1153
1154 void SfxOlePropertySet::ImplLoad( SvStream& rStrm )
1155 {
1156     // read property set header
1157     sal_uInt16 nByteOrder;
1158     sal_uInt16 nVersion;
1159     sal_uInt16 nOsMinor;
1160     sal_uInt16 nOsType;
1161     SvGlobalName aGuid;
1162     sal_Int32 nSectCount(0);
1163     rStrm.ReadUInt16( nByteOrder ).ReadUInt16( nVersion ).ReadUInt16( nOsMinor ).ReadUInt16( nOsType );
1164     rStrm >> aGuid;
1165     rStrm.ReadInt32( nSectCount );
1166
1167     // read sections
1168     sal_uInt64 nSectPosPos = rStrm.Tell();
1169     for (sal_Int32 nSectIdx = 0; nSectIdx < nSectCount; ++nSectIdx)
1170     {
1171         // read section guid/position pair
1172         rStrm.Seek(nSectPosPos);
1173         SvGlobalName aSectGuid;
1174         rStrm >> aSectGuid;
1175         sal_uInt32 nSectPos(0);
1176         rStrm.ReadUInt32(nSectPos);
1177         if (!rStrm.good())
1178             break;
1179         nSectPosPos = rStrm.Tell();
1180         // read section
1181         if (!checkSeek(rStrm, nSectPos))
1182             break;
1183         LoadObject(rStrm, AddSection(aSectGuid));
1184         if (!rStrm.good())
1185             break;
1186     }
1187 }
1188
1189 void SfxOlePropertySet::ImplSave( SvStream& rStrm )
1190 {
1191     // write property set header
1192     SvGlobalName aGuid;
1193     sal_Int32 nSectCount = static_cast< sal_Int32 >( maSectionMap.size() );
1194     rStrm  .WriteUInt16( 0xFFFE )     // byte order
1195            .WriteUInt16( 0 )          // version
1196            .WriteUInt16( 1 )          // OS minor version
1197            .WriteUInt16( 2 );         // OS type always windows for text encoding
1198     WriteSvGlobalName( rStrm, aGuid );                    // unused guid
1199     rStrm  .WriteInt32( nSectCount );              // number of sections
1200
1201     // write placeholders for section guid/position pairs
1202     sal_uInt64 nSectPosPos = rStrm.Tell();
1203     rStrm.SeekRel( static_cast< sal_sSize >( 20 * nSectCount ) );
1204
1205     // write sections
1206     for (auto const& section : maSectionMap)
1207     {
1208         SfxOleSection& rSection = *section.second;
1209         rStrm.Seek( STREAM_SEEK_TO_END );
1210         sal_uInt32 nSectPos = static_cast< sal_uInt32 >( rStrm.Tell() );
1211         // write the section
1212         SaveObject( rStrm, rSection );
1213         // write section guid/position pair
1214         rStrm.Seek( nSectPosPos );
1215         WriteSvGlobalName( rStrm, section.first );
1216         rStrm.WriteUInt32( nSectPos );
1217         nSectPosPos = rStrm.Tell();
1218     }
1219 }
1220
1221 const SvGlobalName& SfxOlePropertySet::GetSectionGuid( SfxOleSectionType eSection )
1222 {
1223     static const SvGlobalName saGlobalGuid(  0xF29F85E0, 0x4FF9, 0x1068, 0xAB, 0x91, 0x08, 0x00, 0x2B, 0x27, 0xB3, 0xD9 );
1224     static const SvGlobalName saBuiltInGuid( 0xD5CDD502, 0x2E9C, 0x101B, 0x93, 0x97, 0x08, 0x00, 0x2B, 0x2C, 0xF9, 0xAE );
1225     static const SvGlobalName saCustomGuid(  0xD5CDD505, 0x2E9C, 0x101B, 0x93, 0x97, 0x08, 0x00, 0x2B, 0x2C, 0xF9, 0xAE );
1226     static const SvGlobalName saEmptyGuid;
1227     switch( eSection )
1228     {
1229         case SECTION_GLOBAL:    return saGlobalGuid;
1230         case SECTION_BUILTIN:   return saBuiltInGuid;
1231         case SECTION_CUSTOM:    return saCustomGuid;
1232         default:    SAL_WARN( "sfx.doc", "SfxOlePropertySet::GetSectionGuid - unknown section type" );
1233     }
1234     return saEmptyGuid;
1235 }
1236
1237
1238 //} // namespace
1239
1240 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */