Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */