/usr/include/kcal/assignmentvisitor.h is in kdepimlibs5-dev 4:4.8.5-0ubuntu0.3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /*
Copyright (c) 2009 Kevin Krammer <kevin.krammer@gmx.at>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef KCAL_ASSIGNMENTVISITOR_H
#define KCAL_ASSIGNMENTVISITOR_H
#include "kcal_export.h"
#include "incidencebase.h"
namespace KCal {
/**
Helper for type correct assignment of incidences via pointers.
This class provides a way of correctly assigning one incidence to another,
given two IncidenceBase derived pointers. It effectively provides a virtual
assignment method which first type checks the two pointers to ensure they
reference the same incidence type, before performing the assignment.
Usage example:
@code
KCal::Incidence *currentIncidence; // assume this is set somewhere else
KCal::Incidence *updatedIncidence; // assume this is set somewhere else
KCal::AssignmentVisitor visitor;
// assign
if ( !visitor.assign(currentIncidence, updatedIncidence) ) {
// not of same type
}
@endcode
@author Kevin Krammer \<kevin.krammer@gmx.at\>
@since 4.3
*/
class KCAL_EXPORT_DEPRECATED AssignmentVisitor : public IncidenceBase::Visitor
{
public:
/**
Creates a visitor instance.
*/
AssignmentVisitor();
/**
Destroys the instance.
*/
virtual ~AssignmentVisitor();
/**
Assigns the incidence referenced by @p source to the incidence referenced
by @p target, first ensuring that the @p source incidence can be cast to
the same class as the @p target incidence.
Basically it is a virtual equivalent of
@code
*target = *source
@endcode
@param target pointer to the instance to assign to
@param source pointer to the instance to assign from
@return @c false if the two objects are of different type
*/
bool assign( IncidenceBase *target, const IncidenceBase *source );
/**
Tries to assign to the given @p event, using the source passed to
assign().
@return @c false if the source passed to assign() is not an Event
*/
virtual bool visit( Event *event );
/**
Tries to assign to the given @p todo, using the source passed to
assign().
@return @c false if the source passed to assign() is not a Todo
*/
virtual bool visit( Todo *todo );
/**
Tries to assign to the given @p journal, using the source passed to
assign().
@return @c false if the source passed to assign() is not a Journal
*/
virtual bool visit( Journal *journal );
/**
Tries to assign to the given @p freebusy, using the source passed to
assign().
@return @c false if the source passed to assign() is not a FreeBusy
*/
virtual bool visit( FreeBusy *freebusy );
private:
//@cond PRIVATE
class Private;
Private *const d;
//@endcond
Q_DISABLE_COPY( AssignmentVisitor )
};
}
#endif
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