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Diffstat (limited to 'sfx2/source/doc/oleprops.hxx')
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1 files changed, 391 insertions, 0 deletions
diff --git a/sfx2/source/doc/oleprops.hxx b/sfx2/source/doc/oleprops.hxx new file mode 100644 index 000000000..81eb744ea --- /dev/null +++ b/sfx2/source/doc/oleprops.hxx @@ -0,0 +1,391 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_SFX2_SOURCE_DOC_OLEPROPS_HXX +#define INCLUDED_SFX2_SOURCE_DOC_OLEPROPS_HXX + +#include <map> +#include <memory> +#include <string_view> + +#include <osl/thread.h> +#include <rtl/ustring.hxx> +#include <sot/storage.hxx> + +#include <com/sun/star/util/DateTime.hpp> +#include <com/sun/star/util/Date.hpp> + + +//namespace { + + +// property type IDs +const sal_Int32 PROPTYPE_INT16 = 2; +const sal_Int32 PROPTYPE_INT32 = 3; +const sal_Int32 PROPTYPE_FLOAT = 4; +const sal_Int32 PROPTYPE_DOUBLE = 5; +const sal_Int32 PROPTYPE_DATE = 7; +const sal_Int32 PROPTYPE_STRING = 8; +const sal_Int32 PROPTYPE_STATUS = 10; +const sal_Int32 PROPTYPE_BOOL = 11; +const sal_Int32 PROPTYPE_VARIANT = 12; +const sal_Int32 PROPTYPE_INT8 = 16; +const sal_Int32 PROPTYPE_UINT8 = 17; +const sal_Int32 PROPTYPE_UINT16 = 18; +const sal_Int32 PROPTYPE_UINT32 = 19; +const sal_Int32 PROPTYPE_INT64 = 20; +const sal_Int32 PROPTYPE_UINT64 = 21; +const sal_Int32 PROPTYPE_STRING8 = 30; +const sal_Int32 PROPTYPE_STRING16 = 31; +const sal_Int32 PROPTYPE_FILETIME = 64; +const sal_Int32 PROPTYPE_BLOB = 65; +const sal_Int32 PROPTYPE_CLIPFMT = 71; + +// static property IDs +const sal_Int32 PROPID_DICTIONARY = 0; +const sal_Int32 PROPID_CODEPAGE = 1; +const sal_Int32 PROPID_FIRSTCUSTOM = 2; + +// property IDs for GlobalDocPropertySet +const sal_Int32 PROPID_TITLE = 2; +const sal_Int32 PROPID_SUBJECT = 3; +const sal_Int32 PROPID_AUTHOR = 4; +const sal_Int32 PROPID_KEYWORDS = 5; +const sal_Int32 PROPID_COMMENTS = 6; +const sal_Int32 PROPID_TEMPLATE = 7; +const sal_Int32 PROPID_LASTAUTHOR = 8; +const sal_Int32 PROPID_REVNUMBER = 9; +const sal_Int32 PROPID_EDITTIME = 10; +const sal_Int32 PROPID_LASTPRINTED = 11; +const sal_Int32 PROPID_CREATED = 12; +const sal_Int32 PROPID_LASTSAVED = 13; +const sal_Int32 PROPID_THUMBNAIL = 17; + +// some Builtin properties +const sal_Int32 PROPID_CATEGORY = 0x2; +const sal_Int32 PROPID_COMPANY = 0xf; +const sal_Int32 PROPID_MANAGER = 0xe; +// predefined codepages +const sal_uInt16 CODEPAGE_UNKNOWN = 0; +const sal_uInt16 CODEPAGE_UNICODE = 1200; +const sal_uInt16 CODEPAGE_UTF8 = 65001; + +// predefined clipboard format IDs +const sal_Int32 CLIPFMT_WIN = -1; + +// predefined clipboard data format IDs +const sal_Int32 CLIPDATAFMT_DIB = 8; + + +/** Helper for classes that need text encoding settings. + + Classes derived from this class will include functions to store and use + text encoding settings and to convert Windows codepage constants. + */ +class SfxOleTextEncoding +{ +public: + explicit SfxOleTextEncoding() : + mxTextEnc( std::make_shared<rtl_TextEncoding>( osl_getThreadTextEncoding() ) ) {} + explicit SfxOleTextEncoding( rtl_TextEncoding eTextEnc ) : + mxTextEnc( std::make_shared<rtl_TextEncoding>( eTextEnc ) ) {} + + /** Returns the current text encoding identifier. */ + rtl_TextEncoding GetTextEncoding() const { return *mxTextEnc; } + /** Sets the passed text encoding. */ + void SetTextEncoding( rtl_TextEncoding eTextEnc ) { *mxTextEnc = eTextEnc; } + + /** Returns true, if this object contains Unicode text encoding. */ + bool IsUnicode() const { return GetTextEncoding() == RTL_TEXTENCODING_UCS2; } + /** Sets Unicode text encoding to this object. */ + void SetUnicode() { SetTextEncoding( RTL_TEXTENCODING_UCS2 ); } + + /** Converts the current settings to a Windows codepage identifier. */ + sal_uInt16 GetCodePage() const; + /** Sets the current text encoding from a Windows codepage identifier. */ + void SetCodePage( sal_uInt16 nCodePage ); + +private: + std::shared_ptr< rtl_TextEncoding > mxTextEnc; +}; + + +/** Helper for classes that need to load or save string values. + + Classes derived from this class contain functions to load and save string + values with the text encoding passed in the constructor. + */ +class SfxOleStringHelper : public SfxOleTextEncoding +{ +public: + /** Creates a string helper object depending on an external text encoding. */ + explicit SfxOleStringHelper( const SfxOleTextEncoding& rTextEnc ) : + SfxOleTextEncoding( rTextEnc ) {} + /** Creates a string helper object with own text encoding. */ + explicit SfxOleStringHelper( rtl_TextEncoding eTextEnc ) : + SfxOleTextEncoding( eTextEnc ) {} + + /** Loads a string from the passed stream with current encoding (maybe Unicode). */ + OUString LoadString8( SvStream& rStrm ) const; + /** Saves a string to the passed stream with current encoding (maybe Unicode). */ + void SaveString8( SvStream& rStrm, const OUString& rValue ) const; + + /** Loads a Unicode string from the passed stream, ignores own encoding. */ + static OUString LoadString16( SvStream& rStrm ); + /** Saves a Unicode string to the passed stream, ignores own encoding. */ + static void SaveString16( SvStream& rStrm, const OUString& rValue ); + +private: + OUString ImplLoadString8( SvStream& rStrm ) const; + static OUString ImplLoadString16( SvStream& rStrm ); + void ImplSaveString8( SvStream& rStrm, std::u16string_view rValue ) const; + static void ImplSaveString16( SvStream& rStrm, const OUString& rValue ); +}; + + +/** Base class for all classes related to OLE property sets. + + Derived classes have to implement the pure virtual functions ImplLoad() and + ImplSave(). + */ +class SfxOleObjectBase +{ +public: + explicit SfxOleObjectBase() : mnErrCode( ERRCODE_NONE ) {} + virtual ~SfxOleObjectBase(); + + /** Returns the current error code. */ + ErrCode const & GetError() const { return mnErrCode; } + + /** Loads this object from the passed stream. Calls virtual ImplLoad(). */ + ErrCode const & Load( SvStream& rStrm ); + /** Saves this object to the passed stream. Calls virtual ImplSave(). */ + ErrCode const & Save( SvStream& rStrm ); + +protected: + /** Sets the passed error code. Will be returned by Load() and Save() functions. + Always the first error code is stored. Multiple calls have no effect. */ + void SetError( ErrCode nErrCode ) { if( mnErrCode == ERRCODE_NONE ) mnErrCode = nErrCode; } + /** Loads the passed object from the stream. Sets returned error code as own error. */ + void LoadObject( SvStream& rStrm, SfxOleObjectBase& rObj ); + /** Saves the passed object to the stream. Sets returned error code as own error. */ + void SaveObject( SvStream& rStrm, SfxOleObjectBase& rObj ); + +private: + /** Derived classes implement loading the object from the passed steam. */ + virtual void ImplLoad( SvStream& rStrm ) = 0; + /** Derived classes implement saving the object to the passed steam. */ + virtual void ImplSave( SvStream& rStrm ) = 0; + +private: + ErrCode mnErrCode; /// Current error code. +}; + + +/** Base class for all OLE property objects. */ +class SfxOlePropertyBase : public SfxOleObjectBase +{ +public: + explicit SfxOlePropertyBase( sal_Int32 nPropId, sal_Int32 nPropType ) : + mnPropId( nPropId ), mnPropType( nPropType ) {} + + sal_Int32 GetPropId() const { return mnPropId; } + sal_Int32 GetPropType() const { return mnPropType; } + +protected: + void SetPropType( sal_Int32 nPropType ) { mnPropType = nPropType; } + +private: + sal_Int32 mnPropId; + sal_Int32 mnPropType; +}; + +typedef std::shared_ptr< SfxOlePropertyBase > SfxOlePropertyRef; + + +/** Property representing the codepage used to encode bytestrings in the entire property set. */ +class SfxOleCodePageProperty : public SfxOlePropertyBase, public SfxOleTextEncoding +{ +public: + explicit SfxOleCodePageProperty(); + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; +}; + + +/** Property containing custom names for other properties in the property set. */ +class SfxOleDictionaryProperty : public SfxOlePropertyBase, public SfxOleStringHelper +{ +public: + explicit SfxOleDictionaryProperty( const SfxOleTextEncoding& rTextEnc ); + + /** Returns true, if the property contains at least one custom property name. */ + bool HasPropertyNames() const { return !maPropNameMap.empty(); } + /** Prepares the property for loading. Does not affect contained names for its own. */ + void SetNameCount( sal_Int32 nNameCount ) { SetPropType( nNameCount ); } + + /** Returns the custom name for the passed property ID, or an empty string, if name not found. */ + OUString GetPropertyName( sal_Int32 nPropId ) const; + /** Sets a custom name for the passed property ID. */ + void SetPropertyName( sal_Int32 nPropId, const OUString& rPropName ); + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + +private: + typedef ::std::map< sal_Int32, OUString > SfxOlePropNameMap; + SfxOlePropNameMap maPropNameMap; +}; + + +/** A section in a property set. Contains properties with unique identifiers. */ +class SfxOleSection : public SfxOleObjectBase +{ +private: + typedef ::std::map< sal_Int32, SfxOlePropertyRef > SfxOlePropMap; + +public: + explicit SfxOleSection( bool bSupportsDict ); + + /** Returns the property with the passed ID, or an empty reference, if nothing found. */ + SfxOlePropertyRef GetProperty( sal_Int32 nPropId ) const; + /** Returns the value of a signed int32 property with the passed ID in rnValue. + @return true = Property found, rnValue is valid; false = Property not found. */ + bool GetInt32Value( sal_Int32& rnValue, sal_Int32 nPropId ) const; + /** Returns the value of a floating-point property with the passed ID in rfValue. + @return true = Property found, rfValue is valid; false = Property not found. */ + bool GetDoubleValue( double& rfValue, sal_Int32 nPropId ) const; + /** Returns the value of a boolean property with the passed ID in rbValue. + @return true = Property found, rbValue is valid; false = Property not found. */ + bool GetBoolValue( bool& rbValue, sal_Int32 nPropId ) const; + /** Returns the value of a string property with the passed ID in rValue. + @return true = Property found, rValue is valid; false = Property not found. */ + bool GetStringValue( OUString& rValue, sal_Int32 nPropId ) const; + /** Returns the value of a time stamp property with the passed ID in rValue. + @return true = Property found, rValue is valid; false = Property not found. */ + bool GetFileTimeValue( css::util::DateTime& rValue, sal_Int32 nPropId ) const; + /** Returns the value of a date property with the passed ID in rValue. + @return true = Property found, rValue is valid; false = Property not found. */ + bool GetDateValue( css::util::Date& rValue, sal_Int32 nPropId ) const; + + /** Adds the passed property to the property set. Drops an existing old property. */ + void SetProperty( const SfxOlePropertyRef& xProp ); + /** Inserts a signed int32 property with the passed value. */ + void SetInt32Value( sal_Int32 nPropId, sal_Int32 nValue ); + /** Inserts a floating-point property with the passed value. */ + void SetDoubleValue( sal_Int32 nPropId, double fValue ); + /** Inserts a boolean property with the passed value. */ + void SetBoolValue( sal_Int32 nPropId, bool bValue ); + /** Inserts a string property with the passed value. + @return true = Property inserted; false = String was empty, property not inserted. */ + bool SetStringValue( sal_Int32 nPropId, const OUString& rValue ); + /** Inserts a time stamp property with the passed value. */ + void SetFileTimeValue( sal_Int32 nPropId, const css::util::DateTime& rValue ); + /** Inserts a date property with the passed value. */ + void SetDateValue( sal_Int32 nPropId, const css::util::Date& rValue ); + /** Inserts a thumbnail property from the passed meta file. */ + void SetThumbnailValue( sal_Int32 nPropId, + const css::uno::Sequence<sal_Int8> & i_rData); + /** Inserts a BLOB property with the passed data. */ + void SetBlobValue( sal_Int32 nPropId, + const css::uno::Sequence<sal_Int8> & i_rData); + + /** Returns the value of the property with the passed ID in a UNO any. */ + css::uno::Any GetAnyValue( sal_Int32 nPropId ) const; + /** Inserts a property created from the passed any. + @return true = Property converted and inserted; false = Property type not supported. */ + bool SetAnyValue( sal_Int32 nPropId, const css::uno::Any& rValue ); + + /** Returns the custom name for the passed property ID, or an empty string, if name not found. */ + OUString GetPropertyName( sal_Int32 nPropId ) const; + /** Sets a custom name for the passed property ID. */ + void SetPropertyName( sal_Int32 nPropId, const OUString& rPropName ); + + /** Returns the identifiers of all existing properties in the passed vector. */ + void GetPropertyIds( ::std::vector< sal_Int32 >& rPropIds ) const; + /** Returns a property identifier not used in this section. */ + sal_Int32 GetFreePropertyId() const; + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + + bool SeekToPropertyPos( SvStream& rStrm, sal_uInt32 nPropPos ) const; + void LoadProperty( SvStream& rStrm, sal_Int32 nPropId ); + void SaveProperty( SvStream& rStrm, SfxOlePropertyBase& rProp, sal_uInt64 & rnPropPosPos ); + +private: + SfxOlePropMap maPropMap; /// All properties in this section, by identifier. + SfxOleCodePageProperty maCodePageProp; /// The codepage property. + SfxOleDictionaryProperty maDictProp; /// The dictionary property. + sal_uInt64 mnStartPos; /// Start stream position of the section. + bool mbSupportsDict; /// true = section supports dictionary. +}; + +typedef std::shared_ptr< SfxOleSection > SfxOleSectionRef; + + +/** Enumerates different section types in OLE property sets. */ +enum SfxOleSectionType +{ + SECTION_GLOBAL, /// Globally defined properties. + SECTION_BUILTIN, /// Properties built into MS Office. + SECTION_CUSTOM /// Custom properties. +}; + + +/** Represents a complete property set, may consist of several property sections. */ +class SfxOlePropertySet : public SfxOleObjectBase +{ +public: + explicit SfxOlePropertySet() {} + + /** Loads this object from the passed storage. */ + ErrCode const & LoadPropertySet( SotStorage* pStrg, const OUString& rStrmName ); + /** Saves this object to the passed storage. */ + ErrCode const & SavePropertySet( SotStorage* pStrg, const OUString& rStrmName ); + + /** Returns the specified section, or an empty reference, if nothing found. */ + SfxOleSectionRef GetSection( SfxOleSectionType eSection ) const; + /** Returns the specified section, or an empty reference, if nothing found. */ + SfxOleSectionRef GetSection( const SvGlobalName& rSectionGuid ) const; + + /** Creates and returns the specified section, or just returns it if it already exists. */ + SfxOleSection& AddSection( SfxOleSectionType eSection ); + /** Creates and returns the specified section, or just returns it if it already exists. */ + SfxOleSection& AddSection( const SvGlobalName& rSectionGuid ); + +private: + virtual void ImplLoad( SvStream& rStrm ) override; + virtual void ImplSave( SvStream& rStrm ) override; + + /** Returns the GUID for the specified section. */ + static const SvGlobalName& GetSectionGuid( SfxOleSectionType eSection ); + +private: + typedef ::std::map< SvGlobalName, SfxOleSectionRef > SfxOleSectionMap; + SfxOleSectionMap maSectionMap; +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |