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Diffstat (limited to 'sfx2/source/doc/oleprops.cxx')
| -rw-r--r-- | sfx2/source/doc/oleprops.cxx | 1240 |
1 files changed, 1240 insertions, 0 deletions
diff --git a/sfx2/source/doc/oleprops.cxx b/sfx2/source/doc/oleprops.cxx new file mode 100644 index 000000000..6de4aace5 --- /dev/null +++ b/sfx2/source/doc/oleprops.cxx @@ -0,0 +1,1240 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include "oleprops.hxx" + +#include <comphelper/types.hxx> +#include <o3tl/safeint.hxx> +#include <tools/datetime.hxx> +#include <rtl/tencinfo.h> +#include <sal/log.hxx> + + +#define STREAM_BUFFER_SIZE 2048 + +// usings +using ::com::sun::star::uno::Any; + +using namespace ::com::sun::star; + +#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. +/// Invalid value for date and time to create invalid instance of TimeStamp. +#define TIMESTAMP_INVALID_UTILDATETIME (util::DateTime(0, 0, 0, 0, 1, 1, 1601, false)) +/// Invalid value for date to create invalid instance of TimeStamp. +#define TIMESTAMP_INVALID_UTILDATE (util::Date(1, 1, 1601)) + +namespace { + +/** Property representing a signed 32-bit integer value. */ +class SfxOleInt32Property : public SfxOlePropertyBase +{ +public: + explicit SfxOleInt32Property( sal_Int32 nPropId, sal_Int32 nValue = 0 ); + + sal_Int32 GetValue() const { return mnValue; } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + sal_Int32 mnValue; +}; + + +/** Property representing a floating-point value. */ +class SfxOleDoubleProperty : public SfxOlePropertyBase +{ +public: + explicit SfxOleDoubleProperty( sal_Int32 nPropId, double fValue = 0.0 ); + + double GetValue() const { return mfValue; } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + double mfValue; +}; + + +/** Property representing a boolean value. */ +class SfxOleBoolProperty : public SfxOlePropertyBase +{ +public: + explicit SfxOleBoolProperty( sal_Int32 nPropId, bool bValue = false ); + + bool GetValue() const { return mbValue; } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + bool mbValue; +}; + + +/** Base class for properties that contain a single string value. */ +class SfxOleStringPropertyBase : public SfxOlePropertyBase, public SfxOleStringHelper +{ +public: + explicit SfxOleStringPropertyBase( + sal_Int32 nPropId, sal_Int32 nPropType, + const SfxOleTextEncoding& rTextEnc ); + explicit SfxOleStringPropertyBase( + sal_Int32 nPropId, sal_Int32 nPropType, + const SfxOleTextEncoding& rTextEnc, const OUString& rValue ); + explicit SfxOleStringPropertyBase( + sal_Int32 nPropId, sal_Int32 nPropType, + rtl_TextEncoding eTextEnc ); + + const OUString& GetValue() const { return maValue; } + void SetValue( const OUString& rValue ) { maValue = rValue; } + +private: + OUString maValue; +}; + + +/** Property representing a bytestring value. */ +class SfxOleString8Property : public SfxOleStringPropertyBase +{ +public: + explicit SfxOleString8Property( + sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc ); + explicit SfxOleString8Property( + sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc, + const OUString& rValue ); + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; +}; + + +/** Property representing a Unicode string value. */ +class SfxOleString16Property : public SfxOleStringPropertyBase +{ +public: + explicit SfxOleString16Property( sal_Int32 nPropId ); + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; +}; + + +/** Property representing a filetime value as defined by the Windows API. */ +class SfxOleFileTimeProperty : public SfxOlePropertyBase +{ +public: + explicit SfxOleFileTimeProperty( sal_Int32 nPropId ); + /** @param rDateTime Date and time as LOCAL time. */ + explicit SfxOleFileTimeProperty( sal_Int32 nPropId, const util::DateTime& rDateTime ); + + /** Returns the time value as LOCAL time. */ + const util::DateTime& GetValue() const { return maDateTime; } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + util::DateTime maDateTime; +}; + +/** Property representing a filetime value as defined by the Windows API. */ +class SfxOleDateProperty : public SfxOlePropertyBase +{ +public: + explicit SfxOleDateProperty( sal_Int32 nPropId ); + + /** Returns the date value as LOCAL time. */ + const util::Date& GetValue() const { return maDate; } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + util::Date maDate; +}; + + +/** Property representing a thumbnail picture. + + Currently, only saving this property is implemented. + */ +class SfxOleThumbnailProperty : public SfxOlePropertyBase +{ +public: + explicit SfxOleThumbnailProperty( sal_Int32 nPropId, + const uno::Sequence<sal_Int8> & i_rData); + + bool IsValid() const { return mData.hasElements(); } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + uno::Sequence<sal_Int8> mData; +}; + + +/** Property representing a BLOB (which presumably stands for binary large + object). + + Currently, only saving this property is implemented. + */ +class SfxOleBlobProperty : public SfxOlePropertyBase +{ +public: + explicit SfxOleBlobProperty( sal_Int32 nPropId, + const uno::Sequence<sal_Int8> & i_rData); + bool IsValid() const { return mData.hasElements(); } + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + uno::Sequence<sal_Int8> mData; +}; + +} + +sal_uInt16 SfxOleTextEncoding::GetCodePage() const +{ + sal_uInt16 nCodePage = IsUnicode() ? CODEPAGE_UNICODE : + static_cast< sal_uInt16 >( rtl_getWindowsCodePageFromTextEncoding( *mxTextEnc ) ); + return (nCodePage == CODEPAGE_UNKNOWN) ? CODEPAGE_UTF8 : nCodePage; +} + +void SfxOleTextEncoding::SetCodePage( sal_uInt16 nCodePage ) +{ + if( nCodePage == CODEPAGE_UNICODE ) + SetUnicode(); + else + { + rtl_TextEncoding eTextEnc = rtl_getTextEncodingFromWindowsCodePage( nCodePage ); + if( eTextEnc != RTL_TEXTENCODING_DONTKNOW ) + *mxTextEnc = eTextEnc; + } +} + + +OUString SfxOleStringHelper::LoadString8( SvStream& rStrm ) const +{ + return IsUnicode() ? ImplLoadString16( rStrm ) : ImplLoadString8( rStrm ); +} + +void SfxOleStringHelper::SaveString8( SvStream& rStrm, const OUString& rValue ) const +{ + if( IsUnicode() ) + ImplSaveString16( rStrm, rValue ); + else + ImplSaveString8( rStrm, rValue ); +} + +OUString SfxOleStringHelper::LoadString16( SvStream& rStrm ) +{ + return ImplLoadString16( rStrm ); +} + +void SfxOleStringHelper::SaveString16( SvStream& rStrm, const OUString& rValue ) +{ + ImplSaveString16( rStrm, rValue ); +} + +OUString SfxOleStringHelper::ImplLoadString8( SvStream& rStrm ) const +{ + // read size field (signed 32-bit) + sal_Int32 nSize(0); + rStrm.ReadInt32( nSize ); + // size field includes trailing NUL character + SAL_WARN_IF(nSize < 1 || nSize > 0xFFFF, "sfx.doc", "SfxOleStringHelper::ImplLoadString8 - invalid string of len " << nSize); + if (nSize < 1 || nSize > 0xFFFF) + return OUString(); + // load character buffer + OString sValue(read_uInt8s_ToOString(rStrm, nSize - 1)); + if (rStrm.good() && rStrm.remainingSize()) + rStrm.SeekRel(1); // skip null-byte at end + return OStringToOUString(sValue, GetTextEncoding()); +} + +OUString SfxOleStringHelper::ImplLoadString16( SvStream& rStrm ) +{ + // read size field (signed 32-bit), may be buffer size or character count + sal_Int32 nSize(0); + rStrm.ReadInt32(nSize); + SAL_WARN_IF(nSize < 1 || nSize > 0xFFFF, "sfx.doc", "SfxOleStringHelper::ImplLoadString16 - invalid string of len " << nSize); + // size field includes trailing NUL character + if (nSize < 1 || nSize > 0xFFFF) + return OUString(); + // load character buffer + OUString aValue = read_uInt16s_ToOUString(rStrm, nSize - 1); + sal_Int32 nSkip(2); // skip null-byte at end + // stream is always padded to 32-bit boundary, skip 2 bytes on odd character count + if ((nSize & 1) == 1) + nSkip += 2; + nSkip = std::min<sal_uInt32>(nSkip, rStrm.remainingSize()); + if (rStrm.good() && nSkip) + rStrm.SeekRel(nSkip); + return aValue; +} + +void SfxOleStringHelper::ImplSaveString8( SvStream& rStrm, std::u16string_view rValue ) const +{ + // encode to byte string + OString aEncoded(OUStringToOString(rValue, GetTextEncoding())); + // write size field (including trailing NUL character) + sal_Int32 nSize = aEncoded.getLength() + 1; + rStrm.WriteInt32( nSize ); + // write character array with trailing NUL character + rStrm.WriteBytes(aEncoded.getStr(), aEncoded.getLength()); + rStrm.WriteUChar( 0 ); +} + +void SfxOleStringHelper::ImplSaveString16( SvStream& rStrm, const OUString& rValue ) +{ + // write size field (including trailing NUL character) + sal_Int32 nSize = static_cast< sal_Int32 >( rValue.getLength() + 1 ); + rStrm.WriteInt32( nSize ); + // write character array with trailing NUL character + for( sal_Int32 nIdx = 0; nIdx < rValue.getLength(); ++nIdx ) + rStrm.WriteUInt16( rValue[ nIdx ] ); + rStrm.WriteUInt16( 0 ); + // stream is always padded to 32-bit boundary, add 2 bytes on odd character count + if( (nSize & 1) == 1 ) + rStrm.WriteUInt16( 0 ); +} + + +SfxOleObjectBase::~SfxOleObjectBase() +{ +} + +ErrCode const & SfxOleObjectBase::Load( SvStream& rStrm ) +{ + mnErrCode = ERRCODE_NONE; + ImplLoad( rStrm ); + SetError( rStrm.GetErrorCode() ); + return GetError(); +} + +ErrCode const & SfxOleObjectBase::Save( SvStream& rStrm ) +{ + mnErrCode = ERRCODE_NONE; + ImplSave( rStrm ); + SetError( rStrm.GetErrorCode() ); + return GetError(); +} + +void SfxOleObjectBase::LoadObject( SvStream& rStrm, SfxOleObjectBase& rObj ) +{ + SetError( rObj.Load( rStrm ) ); +} + +void SfxOleObjectBase::SaveObject( SvStream& rStrm, SfxOleObjectBase& rObj ) +{ + SetError( rObj.Save( rStrm ) ); +} + + +SfxOleCodePageProperty::SfxOleCodePageProperty() : + SfxOlePropertyBase( PROPID_CODEPAGE, PROPTYPE_INT16 ) +{ +} + +void SfxOleCodePageProperty::ImplLoad(SvStream& rStrm) +{ + // property type is signed int16, but we use always unsigned int16 for codepages + sal_uInt16 nCodePage(0); + rStrm.ReadUInt16(nCodePage); + SetCodePage(nCodePage); +} + +void SfxOleCodePageProperty::ImplSave( SvStream& rStrm ) +{ + // property type is signed int16, but we use always unsigned int16 for codepages + rStrm.WriteUInt16( GetCodePage() ); +} + + +SfxOleInt32Property::SfxOleInt32Property( sal_Int32 nPropId, sal_Int32 nValue ) : + SfxOlePropertyBase( nPropId, PROPTYPE_INT32 ), + mnValue( nValue ) +{ +} + +void SfxOleInt32Property::ImplLoad( SvStream& rStrm ) +{ + rStrm.ReadInt32( mnValue ); +} + +void SfxOleInt32Property::ImplSave( SvStream& rStrm ) +{ + rStrm.WriteInt32( mnValue ); +} + + +SfxOleDoubleProperty::SfxOleDoubleProperty( sal_Int32 nPropId, double fValue ) : + SfxOlePropertyBase( nPropId, PROPTYPE_DOUBLE ), + mfValue( fValue ) +{ +} + +void SfxOleDoubleProperty::ImplLoad( SvStream& rStrm ) +{ + rStrm.ReadDouble( mfValue ); +} + +void SfxOleDoubleProperty::ImplSave( SvStream& rStrm ) +{ + rStrm.WriteDouble( mfValue ); +} + + +SfxOleBoolProperty::SfxOleBoolProperty( sal_Int32 nPropId, bool bValue ) : + SfxOlePropertyBase( nPropId, PROPTYPE_BOOL ), + mbValue( bValue ) +{ +} + +void SfxOleBoolProperty::ImplLoad( SvStream& rStrm ) +{ + sal_Int16 nValue(0); + rStrm.ReadInt16( nValue ); + mbValue = nValue != 0; +} + +void SfxOleBoolProperty::ImplSave( SvStream& rStrm ) +{ + rStrm.WriteInt16( mbValue ? -1 : 0 ); +} + + +SfxOleStringPropertyBase::SfxOleStringPropertyBase( + sal_Int32 nPropId, sal_Int32 nPropType, const SfxOleTextEncoding& rTextEnc ) : + SfxOlePropertyBase( nPropId, nPropType ), + SfxOleStringHelper( rTextEnc ) +{ +} + +SfxOleStringPropertyBase::SfxOleStringPropertyBase( + sal_Int32 nPropId, sal_Int32 nPropType, const SfxOleTextEncoding& rTextEnc, const OUString& rValue ) : + SfxOlePropertyBase( nPropId, nPropType ), + SfxOleStringHelper( rTextEnc ), + maValue( rValue ) +{ +} + +SfxOleStringPropertyBase::SfxOleStringPropertyBase( + sal_Int32 nPropId, sal_Int32 nPropType, rtl_TextEncoding eTextEnc ) : + SfxOlePropertyBase( nPropId, nPropType ), + SfxOleStringHelper( eTextEnc ) +{ +} + + +SfxOleString8Property::SfxOleString8Property( + sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc ) : + SfxOleStringPropertyBase( nPropId, PROPTYPE_STRING8, rTextEnc ) +{ +} + +SfxOleString8Property::SfxOleString8Property( + sal_Int32 nPropId, const SfxOleTextEncoding& rTextEnc, const OUString& rValue ) : + SfxOleStringPropertyBase( nPropId, PROPTYPE_STRING8, rTextEnc, rValue ) +{ +} + +void SfxOleString8Property::ImplLoad( SvStream& rStrm ) +{ + SetValue( LoadString8( rStrm ) ); +} + +void SfxOleString8Property::ImplSave( SvStream& rStrm ) +{ + SaveString8( rStrm, GetValue() ); +} + + +SfxOleString16Property::SfxOleString16Property( sal_Int32 nPropId ) : + SfxOleStringPropertyBase( nPropId, PROPTYPE_STRING16, RTL_TEXTENCODING_UCS2 ) +{ +} + +void SfxOleString16Property::ImplLoad( SvStream& rStrm ) +{ + SetValue( LoadString16( rStrm ) ); +} + +void SfxOleString16Property::ImplSave( SvStream& rStrm ) +{ + SaveString16( rStrm, GetValue() ); +} + + +SfxOleFileTimeProperty::SfxOleFileTimeProperty( sal_Int32 nPropId ) : + SfxOlePropertyBase( nPropId, PROPTYPE_FILETIME ) +{ +} + +SfxOleFileTimeProperty::SfxOleFileTimeProperty( sal_Int32 nPropId, const util::DateTime& rDateTime ) : + SfxOlePropertyBase( nPropId, PROPTYPE_FILETIME ), + maDateTime( rDateTime ) +{ +} + +void SfxOleFileTimeProperty::ImplLoad( SvStream& rStrm ) +{ + sal_uInt32 nLower(0), nUpper(0); + rStrm.ReadUInt32( nLower ).ReadUInt32( nUpper ); + ::DateTime aDateTime = DateTime::CreateFromWin32FileDateTime( nLower, nUpper ); + // note: editing duration is stored as offset to TIMESTAMP_INVALID_DATETIME + // of course we should not convert the time zone of a duration! + // heuristic to detect editing durations (which we assume to be < 1 year): + // check only the year, not the entire date + if ( aDateTime.GetYear() != TIMESTAMP_INVALID_DATETIME.GetYear() ) + aDateTime.ConvertToLocalTime(); + maDateTime.Year = aDateTime.GetYear(); + maDateTime.Month = aDateTime.GetMonth(); + maDateTime.Day = aDateTime.GetDay(); + maDateTime.Hours = aDateTime.GetHour(); + maDateTime.Minutes = aDateTime.GetMin(); + maDateTime.Seconds = aDateTime.GetSec(); + maDateTime.NanoSeconds = aDateTime.GetNanoSec(); + maDateTime.IsUTC = false; +} + +void SfxOleFileTimeProperty::ImplSave( SvStream& rStrm ) +{ + DateTime aDateTimeUtc( + Date( + maDateTime.Day, + maDateTime.Month, + static_cast< sal_uInt16 >( maDateTime.Year ) ), + tools::Time( + maDateTime.Hours, + maDateTime.Minutes, + maDateTime.Seconds, + maDateTime.NanoSeconds ) ); + // invalid time stamp is not converted to UTC + // heuristic to detect editing durations (which we assume to be < 1 year): + // check only the year, not the entire date + if( aDateTimeUtc.IsValidAndGregorian() + && aDateTimeUtc.GetYear() != TIMESTAMP_INVALID_DATETIME.GetYear() ) { + aDateTimeUtc.ConvertToUTC(); + } + sal_uInt32 nLower, nUpper; + aDateTimeUtc.GetWin32FileDateTime( nLower, nUpper ); + rStrm.WriteUInt32( nLower ).WriteUInt32( nUpper ); +} + +SfxOleDateProperty::SfxOleDateProperty( sal_Int32 nPropId ) : + SfxOlePropertyBase( nPropId, PROPTYPE_DATE ) +{ +} + +void SfxOleDateProperty::ImplLoad( SvStream& rStrm ) +{ + double fValue(0.0); + rStrm.ReadDouble( fValue ); + //stored as number of days (not seconds) since December 31, 1899 + sal_Int32 nDays = fValue; + sal_Int32 nStartDays = ::Date::DateToDays(31, 12, 1899); + if (o3tl::checked_add(nStartDays, nDays, nStartDays)) + SAL_WARN("sfx.doc", "SfxOleDateProperty::ImplLoad bad date, ignored"); + else + { + ::Date aDate(31, 12, 1899); + aDate.AddDays(nDays); + maDate.Day = aDate.GetDay(); + maDate.Month = aDate.GetMonth(); + maDate.Year = aDate.GetYear(); + } +} + +void SfxOleDateProperty::ImplSave( SvStream& rStrm ) +{ + sal_Int32 nDays = ::Date::DateToDays(maDate.Day, maDate.Month, maDate.Year); + //number of days (not seconds) since December 31, 1899 + sal_Int32 nStartDays = ::Date::DateToDays(31, 12, 1899); + double fValue = nDays-nStartDays; + rStrm.WriteDouble( fValue ); +} + + +SfxOleThumbnailProperty::SfxOleThumbnailProperty( + sal_Int32 nPropId, const uno::Sequence<sal_Int8> & i_rData) : + SfxOlePropertyBase( nPropId, PROPTYPE_CLIPFMT ), + mData(i_rData) +{ +} + +void SfxOleThumbnailProperty::ImplLoad( SvStream& ) +{ + SAL_WARN( "sfx.doc", "SfxOleThumbnailProperty::ImplLoad - not implemented" ); + SetError( SVSTREAM_INVALID_ACCESS ); +} + +void SfxOleThumbnailProperty::ImplSave( SvStream& rStrm ) +{ + /* Type Contents + ----------------------------------------------------------------------- + int32 size of following data + int32 clipboard format tag (see below) + byte[] clipboard data (see below) + + Clipboard format tag: + -1 = Windows clipboard format + -2 = Macintosh clipboard format + -3 = GUID that contains a format identifier (FMTID) + >0 = custom clipboard format name plus data (see msdn site below) + 0 = no data + + References: + http://msdn.microsoft.com/library/default.asp?url=/library/en-us/stg/stg/propvariant.asp + http://jakarta.apache.org/poi/hpsf/thumbnails.html + http://linux.com.hk/docs/poi/org/apache/poi/hpsf/Thumbnail.html + https://web.archive.org/web/20060126202945/http://sparks.discreet.com/knowledgebase/public/solutions/ExtractThumbnailImg.htm + */ + if( IsValid() ) + { + // clipboard size: clip_format_tag + data_format_tag + bitmap_len + sal_Int32 nClipSize = static_cast< sal_Int32 >( 4 + 4 + mData.getLength() ); + rStrm.WriteInt32( nClipSize ).WriteInt32( CLIPFMT_WIN ).WriteInt32( CLIPDATAFMT_DIB ); + rStrm.WriteBytes(mData.getConstArray(), mData.getLength()); + } + else + { + SAL_WARN( "sfx.doc", "SfxOleThumbnailProperty::ImplSave - invalid thumbnail property" ); + SetError( SVSTREAM_INVALID_ACCESS ); + } +} + + +SfxOleBlobProperty::SfxOleBlobProperty( sal_Int32 nPropId, + const uno::Sequence<sal_Int8> & i_rData) : + SfxOlePropertyBase( nPropId, PROPTYPE_BLOB ), + mData(i_rData) +{ +} + +void SfxOleBlobProperty::ImplLoad( SvStream& ) +{ + SAL_WARN( "sfx.doc", "SfxOleBlobProperty::ImplLoad - not implemented" ); + SetError( SVSTREAM_INVALID_ACCESS ); +} + +void SfxOleBlobProperty::ImplSave( SvStream& rStrm ) +{ + if (IsValid()) { + rStrm.WriteBytes(mData.getConstArray(), mData.getLength()); + } else { + SAL_WARN( "sfx.doc", "SfxOleBlobProperty::ImplSave - invalid BLOB property" ); + SetError( SVSTREAM_INVALID_ACCESS ); + } +} + + +SfxOleDictionaryProperty::SfxOleDictionaryProperty( const SfxOleTextEncoding& rTextEnc ) : + SfxOlePropertyBase( PROPID_DICTIONARY, 0 ), + SfxOleStringHelper( rTextEnc ) +{ +} + +OUString SfxOleDictionaryProperty::GetPropertyName( sal_Int32 nPropId ) const +{ + SfxOlePropNameMap::const_iterator aIt = maPropNameMap.find( nPropId ); + return (aIt == maPropNameMap.end()) ? OUString() : aIt->second; +} + +void SfxOleDictionaryProperty::SetPropertyName( sal_Int32 nPropId, const OUString& rPropName ) +{ + maPropNameMap[ nPropId ] = rPropName; + // dictionary property contains number of pairs in property type field + SetPropType( static_cast< sal_Int32 >( maPropNameMap.size() ) ); +} + +void SfxOleDictionaryProperty::ImplLoad( SvStream& rStrm ) +{ + // dictionary property contains number of pairs in property type field + sal_Int32 nNameCount = GetPropType(); + // read property ID/name pairs + maPropNameMap.clear(); + for (sal_Int32 nIdx = 0; nIdx < nNameCount && rStrm.good() && rStrm.remainingSize() >= 4; ++nIdx) + { + sal_Int32 nPropId(0); + rStrm.ReadInt32(nPropId); + // name always stored as byte string + maPropNameMap[nPropId] = LoadString8(rStrm); + } +} + +void SfxOleDictionaryProperty::ImplSave( SvStream& rStrm ) +{ + // write property ID/name pairs + for (auto const& propName : maPropNameMap) + { + rStrm.WriteInt32( propName.first ); + // name always stored as byte string + SaveString8( rStrm, propName.second ); + } +} + + +SfxOleSection::SfxOleSection( bool bSupportsDict ) : + maDictProp( maCodePageProp ), + mnStartPos( 0 ), + mbSupportsDict( bSupportsDict ) +{ +} + +SfxOlePropertyRef SfxOleSection::GetProperty( sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp; + SfxOlePropMap::const_iterator aIt = maPropMap.find( nPropId ); + if( aIt != maPropMap.end() ) + xProp = aIt->second; + return xProp; +} + +bool SfxOleSection::GetInt32Value( sal_Int32& rnValue, sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp = GetProperty( nPropId ); + const SfxOleInt32Property* pProp = + dynamic_cast< const SfxOleInt32Property* >( xProp.get() ); + if( pProp ) + rnValue = pProp->GetValue(); + return pProp != nullptr; +} + +bool SfxOleSection::GetDoubleValue( double& rfValue, sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp = GetProperty( nPropId ); + const SfxOleDoubleProperty* pProp = + dynamic_cast< const SfxOleDoubleProperty* >( xProp.get() ); + if( pProp ) + rfValue = pProp->GetValue(); + return pProp != nullptr; +} + +bool SfxOleSection::GetBoolValue( bool& rbValue, sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp = GetProperty( nPropId ); + const SfxOleBoolProperty* pProp = + dynamic_cast< const SfxOleBoolProperty* >( xProp.get() ); + if( pProp ) + rbValue = pProp->GetValue(); + return pProp != nullptr; +} + +bool SfxOleSection::GetStringValue( OUString& rValue, sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp = GetProperty( nPropId ); + const SfxOleStringPropertyBase* pProp = + dynamic_cast< const SfxOleStringPropertyBase* >( xProp.get() ); + if( pProp ) + rValue = pProp->GetValue(); + return pProp != nullptr; +} + +bool SfxOleSection::GetFileTimeValue( util::DateTime& rValue, sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp = GetProperty( nPropId ); + const SfxOleFileTimeProperty* pProp = + dynamic_cast< const SfxOleFileTimeProperty* >( xProp.get() ); + if( pProp ) + { + if ( pProp->GetValue() == TIMESTAMP_INVALID_UTILDATETIME ) + rValue = util::DateTime(); + else + rValue = pProp->GetValue(); + } + return pProp != nullptr; +} + +bool SfxOleSection::GetDateValue( util::Date& rValue, sal_Int32 nPropId ) const +{ + SfxOlePropertyRef xProp = GetProperty( nPropId ); + const SfxOleDateProperty* pProp = + dynamic_cast< const SfxOleDateProperty* >( xProp.get() ); + if( pProp ) + { + if ( pProp->GetValue() == TIMESTAMP_INVALID_UTILDATE ) + rValue = util::Date(); + else + rValue = pProp->GetValue(); + } + return pProp != nullptr; +} + +void SfxOleSection::SetProperty( const SfxOlePropertyRef& xProp ) +{ + if( xProp ) + maPropMap[ xProp->GetPropId() ] = xProp; +} + +void SfxOleSection::SetInt32Value( sal_Int32 nPropId, sal_Int32 nValue ) +{ + SetProperty( std::make_shared<SfxOleInt32Property>( nPropId, nValue ) ); +} + +void SfxOleSection::SetDoubleValue( sal_Int32 nPropId, double fValue ) +{ + SetProperty( std::make_shared<SfxOleDoubleProperty>( nPropId, fValue ) ); +} + +void SfxOleSection::SetBoolValue( sal_Int32 nPropId, bool bValue ) +{ + SetProperty( std::make_shared<SfxOleBoolProperty>( nPropId, bValue ) ); +} + +bool SfxOleSection::SetStringValue( sal_Int32 nPropId, const OUString& rValue ) +{ + bool bInserted = !rValue.isEmpty(); + if( bInserted ) + SetProperty( std::make_shared<SfxOleString8Property>( nPropId, maCodePageProp, rValue ) ); + return bInserted; +} + +void SfxOleSection::SetFileTimeValue( sal_Int32 nPropId, const util::DateTime& rValue ) +{ + if ( rValue.Year == 0 || rValue.Month == 0 || rValue.Day == 0 ) + SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, TIMESTAMP_INVALID_UTILDATETIME ) ); + else + SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, rValue ) ); +} + +void SfxOleSection::SetDateValue( sal_Int32 nPropId, const util::Date& rValue ) +{ + //Annoyingly MS2010 considers VT_DATE apparently as an invalid possibility, so here we use VT_FILETIME + //instead :-( + if ( rValue.Year == 0 || rValue.Month == 0 || rValue.Day == 0 ) + SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, TIMESTAMP_INVALID_UTILDATETIME ) ); + else + { + const util::DateTime aValue(0, 0, 0, 0, rValue.Day, rValue.Month, + rValue.Year, false ); + SetProperty( std::make_shared<SfxOleFileTimeProperty>( nPropId, aValue ) ); + } +} + +void SfxOleSection::SetThumbnailValue( sal_Int32 nPropId, + const uno::Sequence<sal_Int8> & i_rData) +{ + auto pThumbnail = std::make_shared<SfxOleThumbnailProperty>( nPropId, i_rData ); + if( pThumbnail->IsValid() ) + SetProperty( pThumbnail ); +} + +void SfxOleSection::SetBlobValue( sal_Int32 nPropId, + const uno::Sequence<sal_Int8> & i_rData) +{ + auto pBlob = std::make_shared<SfxOleBlobProperty>( nPropId, i_rData ); + if( pBlob->IsValid() ) + SetProperty( pBlob ); +} + +Any SfxOleSection::GetAnyValue( sal_Int32 nPropId ) const +{ + Any aValue; + sal_Int32 nInt32 = 0; + double fDouble = 0.0; + bool bBool = false; + OUString aString; + css::util::DateTime aApiDateTime; + css::util::Date aApiDate; + + if( GetInt32Value( nInt32, nPropId ) ) + aValue <<= nInt32; + else if( GetDoubleValue( fDouble, nPropId ) ) + aValue <<= fDouble; + else if( GetBoolValue( bBool, nPropId ) ) + aValue <<= bBool; + else if( GetStringValue( aString, nPropId ) ) + aValue <<= aString; + else if( GetFileTimeValue( aApiDateTime, nPropId ) ) + { + aValue <<= aApiDateTime; + } + else if( GetDateValue( aApiDate, nPropId ) ) + { + aValue <<= aApiDate; + } + return aValue; +} + +bool SfxOleSection::SetAnyValue( sal_Int32 nPropId, const Any& rValue ) +{ + bool bInserted = true; + sal_Int32 nInt32 = 0; + double fDouble = 0.0; + OUString aString; + css::util::DateTime aApiDateTime; + css::util::Date aApiDate; + + if( rValue.getValueType() == cppu::UnoType<bool>::get() ) + SetBoolValue( nPropId, ::comphelper::getBOOL( rValue ) ); + else if( rValue >>= nInt32 ) + SetInt32Value( nPropId, nInt32 ); + else if( rValue >>= fDouble ) + SetDoubleValue( nPropId, fDouble ); + else if( rValue >>= aString ) + bInserted = SetStringValue( nPropId, aString ); + else if( rValue >>= aApiDateTime ) + SetFileTimeValue( nPropId, aApiDateTime ); + else if( rValue >>= aApiDate ) + SetDateValue( nPropId, aApiDate ); + else + bInserted = false; + return bInserted; +} + +OUString SfxOleSection::GetPropertyName( sal_Int32 nPropId ) const +{ + return maDictProp.GetPropertyName( nPropId ); +} + +void SfxOleSection::SetPropertyName( sal_Int32 nPropId, const OUString& rPropName ) +{ + maDictProp.SetPropertyName( nPropId, rPropName ); +} + +void SfxOleSection::GetPropertyIds( ::std::vector< sal_Int32 >& rPropIds ) const +{ + rPropIds.clear(); + for (auto const& prop : maPropMap) + rPropIds.push_back(prop.first); +} + +sal_Int32 SfxOleSection::GetFreePropertyId() const +{ + return maPropMap.empty() ? PROPID_FIRSTCUSTOM : (maPropMap.rbegin()->first + 1); +} + +void SfxOleSection::ImplLoad( SvStream& rStrm ) +{ + // read section header + mnStartPos = rStrm.Tell(); + sal_uInt32 nSize(0); + sal_Int32 nPropCount(0); + rStrm.ReadUInt32( nSize ).ReadInt32( nPropCount ); + + // read property ID/position pairs + typedef ::std::map< sal_Int32, sal_uInt32 > SfxOlePropPosMap; + SfxOlePropPosMap aPropPosMap; + for (sal_Int32 nPropIdx = 0; nPropIdx < nPropCount && rStrm.good(); ++nPropIdx) + { + sal_Int32 nPropId(0); + sal_uInt32 nPropPos(0); + rStrm.ReadInt32( nPropId ).ReadUInt32( nPropPos ); + aPropPosMap[ nPropId ] = nPropPos; + } + + // read codepage property + SfxOlePropPosMap::iterator aCodePageIt = aPropPosMap.find( PROPID_CODEPAGE ); + if( (aCodePageIt != aPropPosMap.end()) && SeekToPropertyPos( rStrm, aCodePageIt->second ) ) + { + // codepage property must be of type signed int-16 + sal_Int32 nPropType(0); + rStrm.ReadInt32( nPropType ); + if( nPropType == PROPTYPE_INT16 ) + LoadObject( rStrm, maCodePageProp ); + // remove property position + aPropPosMap.erase( aCodePageIt ); + } + + // read dictionary property + SfxOlePropPosMap::iterator aDictIt = aPropPosMap.find( PROPID_DICTIONARY ); + if( (aDictIt != aPropPosMap.end()) && SeekToPropertyPos( rStrm, aDictIt->second ) ) + { + // #i66214# #i66428# applications may write broken dictionary properties in wrong sections + if( mbSupportsDict ) + { + // dictionary property contains number of pairs in property type field + sal_Int32 nNameCount(0); + rStrm.ReadInt32( nNameCount ); + maDictProp.SetNameCount( nNameCount ); + LoadObject( rStrm, maDictProp ); + } + // always remove position of dictionary property (do not try to read it again below) + aPropPosMap.erase( aDictIt ); + } + + // read other properties + maPropMap.clear(); + for (auto const& propPos : aPropPosMap) + if( SeekToPropertyPos( rStrm, propPos.second ) ) + LoadProperty( rStrm, propPos.first ); +} + +void SfxOleSection::ImplSave( SvStream& rStrm ) +{ + /* Always export with UTF-8 encoding. All dependent properties (bytestring + and dictionary) will be updated automatically. */ + maCodePageProp.SetTextEncoding( RTL_TEXTENCODING_UTF8 ); + + // write section header + mnStartPos = rStrm.Tell(); + sal_Int32 nPropCount = static_cast< sal_Int32 >( maPropMap.size() + 1 ); + if( maDictProp.HasPropertyNames() ) + ++nPropCount; + rStrm.WriteUInt32( 0 ).WriteInt32( nPropCount ); + + // write placeholders for property ID/position pairs + sal_uInt64 nPropPosPos = rStrm.Tell(); + rStrm.SeekRel( static_cast< sal_sSize >( 8 * nPropCount ) ); + + // write dictionary property + if( maDictProp.HasPropertyNames() ) + SaveProperty( rStrm, maDictProp, nPropPosPos ); + // write codepage property + SaveProperty( rStrm, maCodePageProp, nPropPosPos ); + // write other properties + for (auto const& prop : maPropMap) + SaveProperty( rStrm, *prop.second, nPropPosPos ); + + // write section size (first field in section header) + sal_uInt32 nSectSize = static_cast< sal_uInt32 >( rStrm.TellEnd() - mnStartPos ); + rStrm.Seek( mnStartPos ); + rStrm.WriteUInt32( nSectSize ); +} + +bool SfxOleSection::SeekToPropertyPos( SvStream& rStrm, sal_uInt32 nPropPos ) const +{ + return checkSeek(rStrm, static_cast<std::size_t>(mnStartPos + nPropPos)) && + rStrm.GetErrorCode() == ERRCODE_NONE; +} + +void SfxOleSection::LoadProperty( SvStream& rStrm, sal_Int32 nPropId ) +{ + // property data type + sal_Int32 nPropType(0); + rStrm.ReadInt32( nPropType ); + // create empty property object + SfxOlePropertyRef xProp; + switch( nPropType ) + { + case PROPTYPE_INT32: + xProp = std::make_shared<SfxOleInt32Property>( nPropId ); + break; + case PROPTYPE_DOUBLE: + xProp = std::make_shared<SfxOleDoubleProperty>( nPropId ); + break; + case PROPTYPE_BOOL: + xProp = std::make_shared<SfxOleBoolProperty>( nPropId ); + break; + case PROPTYPE_STRING8: + xProp = std::make_shared<SfxOleString8Property>( nPropId, maCodePageProp ); + break; + case PROPTYPE_STRING16: + xProp = std::make_shared<SfxOleString16Property>( nPropId ); + break; + case PROPTYPE_FILETIME: + xProp = std::make_shared<SfxOleFileTimeProperty>( nPropId ); + break; + case PROPTYPE_DATE: + xProp = std::make_shared<SfxOleDateProperty>( nPropId ); + break; + } + // load property contents + if( xProp ) + { + SetError( xProp->Load( rStrm ) ); + maPropMap[ nPropId ] = xProp; + } +} + +void SfxOleSection::SaveProperty( SvStream& rStrm, SfxOlePropertyBase& rProp, sal_uInt64 & rnPropPosPos ) +{ + rStrm.Seek( STREAM_SEEK_TO_END ); + sal_uInt32 nPropPos = static_cast< sal_uInt32 >( rStrm.Tell() - mnStartPos ); + // property data type + rStrm.WriteInt32( rProp.GetPropType() ); + // write property contents + SaveObject( rStrm, rProp ); + // align to 32-bit + while( (rStrm.Tell() & 3) != 0 ) + rStrm.WriteUChar( 0 ); + // write property ID/position pair + rStrm.Seek( rnPropPosPos ); + rStrm.WriteInt32( rProp.GetPropId() ).WriteUInt32( nPropPos ); + rnPropPosPos = rStrm.Tell(); +} + + +ErrCode const & SfxOlePropertySet::LoadPropertySet( SotStorage* pStrg, const OUString& rStrmName ) +{ + if( pStrg ) + { + tools::SvRef<SotStorageStream> xStrm = pStrg->OpenSotStream( rStrmName, StreamMode::STD_READ ); + if( xStrm.is() && (xStrm->GetError() == ERRCODE_NONE) ) + { + xStrm->SetBufferSize( STREAM_BUFFER_SIZE ); + Load( *xStrm ); + } + else + SetError( ERRCODE_IO_ACCESSDENIED ); + } + else + SetError( ERRCODE_IO_ACCESSDENIED ); + return GetError(); +} + +ErrCode const & SfxOlePropertySet::SavePropertySet( SotStorage* pStrg, const OUString& rStrmName ) +{ + if( pStrg ) + { + tools::SvRef<SotStorageStream> xStrm = pStrg->OpenSotStream( rStrmName, StreamMode::TRUNC | StreamMode::STD_WRITE ); + if( xStrm.is() ) + Save( *xStrm ); + else + SetError( ERRCODE_IO_ACCESSDENIED ); + } + else + SetError( ERRCODE_IO_ACCESSDENIED ); + return GetError(); +} + +SfxOleSectionRef SfxOlePropertySet::GetSection( SfxOleSectionType eSection ) const +{ + return GetSection( GetSectionGuid( eSection ) ); +} + +SfxOleSectionRef SfxOlePropertySet::GetSection( const SvGlobalName& rSectionGuid ) const +{ + SfxOleSectionRef xSection; + SfxOleSectionMap::const_iterator aIt = maSectionMap.find( rSectionGuid ); + if( aIt != maSectionMap.end() ) + xSection = aIt->second; + return xSection; +} + +SfxOleSection& SfxOlePropertySet::AddSection( SfxOleSectionType eSection ) +{ + return AddSection( GetSectionGuid( eSection ) ); +} + +SfxOleSection& SfxOlePropertySet::AddSection( const SvGlobalName& rSectionGuid ) +{ + SfxOleSectionRef xSection = GetSection( rSectionGuid ); + if( !xSection ) + { + // #i66214# #i66428# applications may write broken dictionary properties in wrong sections + bool bSupportsDict = rSectionGuid == GetSectionGuid( SECTION_CUSTOM ); + xSection = std::make_shared<SfxOleSection>( bSupportsDict ); + maSectionMap[ rSectionGuid ] = xSection; + } + return *xSection; +} + +void SfxOlePropertySet::ImplLoad( SvStream& rStrm ) +{ + // read property set header + sal_uInt16 nByteOrder; + sal_uInt16 nVersion; + sal_uInt16 nOsMinor; + sal_uInt16 nOsType; + SvGlobalName aGuid; + sal_Int32 nSectCount(0); + rStrm.ReadUInt16( nByteOrder ).ReadUInt16( nVersion ).ReadUInt16( nOsMinor ).ReadUInt16( nOsType ); + rStrm >> aGuid; + rStrm.ReadInt32( nSectCount ); + + // read sections + sal_uInt64 nSectPosPos = rStrm.Tell(); + for (sal_Int32 nSectIdx = 0; nSectIdx < nSectCount; ++nSectIdx) + { + // read section guid/position pair + rStrm.Seek(nSectPosPos); + SvGlobalName aSectGuid; + rStrm >> aSectGuid; + sal_uInt32 nSectPos(0); + rStrm.ReadUInt32(nSectPos); + if (!rStrm.good()) + break; + nSectPosPos = rStrm.Tell(); + // read section + if (!checkSeek(rStrm, nSectPos)) + break; + LoadObject(rStrm, AddSection(aSectGuid)); + if (!rStrm.good()) + break; + } +} + +void SfxOlePropertySet::ImplSave( SvStream& rStrm ) +{ + // write property set header + SvGlobalName aGuid; + sal_Int32 nSectCount = static_cast< sal_Int32 >( maSectionMap.size() ); + rStrm .WriteUInt16( 0xFFFE ) // byte order + .WriteUInt16( 0 ) // version + .WriteUInt16( 1 ) // OS minor version + .WriteUInt16( 2 ); // OS type always windows for text encoding + WriteSvGlobalName( rStrm, aGuid ); // unused guid + rStrm .WriteInt32( nSectCount ); // number of sections + + // write placeholders for section guid/position pairs + sal_uInt64 nSectPosPos = rStrm.Tell(); + rStrm.SeekRel( static_cast< sal_sSize >( 20 * nSectCount ) ); + + // write sections + for (auto const& section : maSectionMap) + { + SfxOleSection& rSection = *section.second; + rStrm.Seek( STREAM_SEEK_TO_END ); + sal_uInt32 nSectPos = static_cast< sal_uInt32 >( rStrm.Tell() ); + // write the section + SaveObject( rStrm, rSection ); + // write section guid/position pair + rStrm.Seek( nSectPosPos ); + WriteSvGlobalName( rStrm, section.first ); + rStrm.WriteUInt32( nSectPos ); + nSectPosPos = rStrm.Tell(); + } +} + +const SvGlobalName& SfxOlePropertySet::GetSectionGuid( SfxOleSectionType eSection ) +{ + static const SvGlobalName saGlobalGuid( 0xF29F85E0, 0x4FF9, 0x1068, 0xAB, 0x91, 0x08, 0x00, 0x2B, 0x27, 0xB3, 0xD9 ); + static const SvGlobalName saBuiltInGuid( 0xD5CDD502, 0x2E9C, 0x101B, 0x93, 0x97, 0x08, 0x00, 0x2B, 0x2C, 0xF9, 0xAE ); + static const SvGlobalName saCustomGuid( 0xD5CDD505, 0x2E9C, 0x101B, 0x93, 0x97, 0x08, 0x00, 0x2B, 0x2C, 0xF9, 0xAE ); + static const SvGlobalName saEmptyGuid; + switch( eSection ) + { + case SECTION_GLOBAL: return saGlobalGuid; + case SECTION_BUILTIN: return saBuiltInGuid; + case SECTION_CUSTOM: return saCustomGuid; + default: SAL_WARN( "sfx.doc", "SfxOlePropertySet::GetSectionGuid - unknown section type" ); + } + return saEmptyGuid; +} + + +//} // namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |