shell/source/win32/shlxthandler/ooofilt/propspec.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 //+-------------------------------------------------------------------------
  22 //  File:       propspec.cxx
  23 //  Contents:   C++ wrappers for FULLPROPSPEC
  24
  25 #include <sal/config.h>
  26
  27 #include <new>
  28
  29 #if !defined WIN32_LEAN_AND_MEAN
  30 # define WIN32_LEAN_AND_MEAN
  31 #endif
  32 #include <windows.h>
  33 #include <filter.h>
  34
  35 #include "propspec.hxx"
  36
  37 //refer to ms-help://MS.VSCC/MS.MSDNVS.2052/com/stgasstg_7agk.htm
  38 //FMTID_SummaryInformation
  39 //GUID CLSID_SummaryInformation = {
  40 //    0xF29F85E0,
  41 //    0x4FF9,
  42 //    0x1068,
  43 //    { 0xAB, 0x91, 0x08, 0x00, 0x2B, 0x27, 0xB3, 0xD9 }
  44 //};
  45 //+-------------------------------------------------------------------------
  46 //  Member:     CFullPropSpec::CFullPropSpec, public
  47 //  Synopsis:   Default constructor
  48 //  Effects:    Defines property with null guid and propid 0
  49
  50
  51 CFullPropSpec::CFullPropSpec()
  52 {
  53     _psProperty.ulKind = PRSPEC_PROPID;
  54     _psProperty.propid = 0;
  55 }
  56 //+-------------------------------------------------------------------------
  57 //  Member:     CFullPropSpec::CFullPropSpec, public
  58 //  Synopsis:   Construct propid based propspec
  59 //  Arguments:  [guidPropSet]  -- Property set
  60 //              [pidProperty] -- Property
  61
  62 CFullPropSpec::CFullPropSpec( GUID const & guidPropSet, PROPID pidProperty ) :
  63     _guidPropSet( guidPropSet )
  64 {
  65     _psProperty.ulKind = PRSPEC_PROPID;
  66     _psProperty.propid = pidProperty;
  67 }
  68 //+-------------------------------------------------------------------------
  69 //  Member:     CFullPropSpec::CFullPropSpec, public
  70 //  Synopsis:   Construct name based propspec
  71 //  Arguments:  [guidPropSet] -- Property set
  72 //              [wcsProperty] -- Property
  73
  74 CFullPropSpec::CFullPropSpec( GUID const & guidPropSet,
  75                               WCHAR const * wcsProperty ) :
  76     _guidPropSet( guidPropSet )
  77 {
  78     _psProperty.ulKind = PRSPEC_PROPID;
  79     SetProperty( wcsProperty );
  80 }
  81 //+-------------------------------------------------------------------------
  82 //  Member:     CFullPropSpec::CFullPropSpec, public
  83 //  Synopsis:   Copy constructor
  84 //  Arguments:  [src] -- Source property spec
  85
  86 CFullPropSpec::CFullPropSpec( CFullPropSpec const & src ) :
  87     _guidPropSet( src._guidPropSet )
  88 {
  89     _psProperty.ulKind = src._psProperty.ulKind;
  90     if ( _psProperty.ulKind == PRSPEC_LPWSTR )
  91     {
  92         if ( src._psProperty.lpwstr )
  93         {
  94             _psProperty.ulKind = PRSPEC_PROPID;
  95             SetProperty( src._psProperty.lpwstr );
  96         }
  97         else
  98             _psProperty.lpwstr = nullptr;
  99     }
 100     else
 101     {
 102         _psProperty.propid = src._psProperty.propid;
 103     }
 104 }
 105
 106 //+-------------------------------------------------------------------------
 107 //  Member:     CFullPropSpec::operator=, public
 108 //  Synopsis:   Assignment operator
 109 //  Arguments:  [Property] -- Source property
 110
 111 CFullPropSpec & CFullPropSpec::operator=( CFullPropSpec const & Property )
 112 {
 113     if (this != &Property)
 114     {
 115         // Clean up.
 116         this->CFullPropSpec::~CFullPropSpec();
 117
 118         ::new (this) CFullPropSpec( Property );
 119     }
 120     return *this;
 121 }
 122
 123 CFullPropSpec::~CFullPropSpec()
 124 {
 125     if ( _psProperty.ulKind == PRSPEC_LPWSTR &&
 126          _psProperty.lpwstr )
 127     {
 128         CoTaskMemFree( _psProperty.lpwstr );
 129     }
 130 }
 131
 132 void CFullPropSpec::SetProperty( PROPID pidProperty )
 133 {
 134     if ( _psProperty.ulKind == PRSPEC_LPWSTR &&
 135          nullptr != _psProperty.lpwstr )
 136     {
 137         CoTaskMemFree( _psProperty.lpwstr );
 138     }
 139     _psProperty.ulKind = PRSPEC_PROPID;
 140     _psProperty.propid = pidProperty;
 141 }
 142 BOOL CFullPropSpec::SetProperty( WCHAR const * wcsProperty )
 143 {
 144     if ( _psProperty.ulKind == PRSPEC_LPWSTR &&
 145          nullptr != _psProperty.lpwstr )
 146     {
 147         CoTaskMemFree( _psProperty.lpwstr );
 148     }
 149     _psProperty.ulKind = PRSPEC_LPWSTR;
 150     int len = static_cast<int>( (wcslen( wcsProperty ) + 1) * sizeof( WCHAR ) );
 151     _psProperty.lpwstr = static_cast<WCHAR *>(CoTaskMemAlloc( len ));
 152     if ( nullptr != _psProperty.lpwstr )
 153     {
 154         memcpy( _psProperty.lpwstr,
 155                 wcsProperty,
 156                 len );
 157         return TRUE;
 158     }
 159     else
 160     {
 161         _psProperty.lpwstr = nullptr;
 162         return FALSE;
 163     }
 164 }
 165 bool CFullPropSpec::operator==( CFullPropSpec const & prop ) const
 166 {
 167     if ( memcmp( &prop._guidPropSet,
 168                  &_guidPropSet,
 169                  sizeof( _guidPropSet ) ) != 0 ||
 170          prop._psProperty.ulKind != _psProperty.ulKind )
 171     {
 172         return false;
 173     }
 174     switch( _psProperty.ulKind )
 175     {
 176     case PRSPEC_LPWSTR:
 177         return( _wcsicmp( GetPropertyName(), prop.GetPropertyName() ) == 0 );
 178     case PRSPEC_PROPID:
 179         return( GetPropertyPropid() == prop.GetPropertyPropid() );
 180     default:
 181         return false;
 182     }
 183 }
 184 bool CFullPropSpec::operator!=( CFullPropSpec const & prop ) const
 185 {
 186     if (*this == prop)
 187         return false;
 188     else
 189         return true;
 190 }
 191
 192 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */