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Syndication Library

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documentvisitor.cpp
1 /*
2  * This file is part of the syndication library
3  *
4  * Copyright (C) 2005 Frank Osterfeld <osterfeld@kde.org>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 
24 #include "documentvisitor.h"
25 #include "specificdocument.h"
26 
27 namespace Syndication {
28 
29 DocumentVisitor::~DocumentVisitor()
30 {
31 }
32 
33 bool DocumentVisitor::visit(SpecificDocument* document)
34 {
35  return document->accept(this);
36 }
37 
38 bool DocumentVisitor::visitRSS2Document(Syndication::RSS2::Document*)
39 {
40  return false;
41 }
42 
43 bool DocumentVisitor::visitRDFDocument(Syndication::RDF::Document*)
44 {
45  return false;
46 }
47 
48 bool DocumentVisitor::visitAtomFeedDocument(Syndication::Atom::FeedDocument*)
49 {
50  return false;
51 }
52 
53 bool DocumentVisitor::visitAtomEntryDocument(Syndication::Atom::EntryDocument*)
54 {
55  return false;
56 }
57 
58 } // namespace Syndication
Syndication::SpecificDocument::accept
virtual bool accept(DocumentVisitor *visitor)=0
This must be implemented for the double dispatch technique (Visitor pattern).
Syndication::DocumentVisitor::visitRDFDocument
virtual bool visitRDFDocument(Syndication::RDF::Document *document)
reimplement this method to handle RDF (i.e.
Definition: documentvisitor.cpp:43
Syndication::DocumentVisitor::visitAtomEntryDocument
virtual bool visitAtomEntryDocument(Syndication::Atom::EntryDocument *document)
reimplement this method to handle Atom entry documents.
Definition: documentvisitor.cpp:53
Syndication::DocumentVisitor::~DocumentVisitor
virtual ~DocumentVisitor()
destructor
Definition: documentvisitor.cpp:29
Syndication::DocumentVisitor::visit
virtual bool visit(SpecificDocument *document)
call this method to handle a document.
Definition: documentvisitor.cpp:33
Syndication::DocumentVisitor::visitRSS2Document
virtual bool visitRSS2Document(Syndication::RSS2::Document *document)
reimplement this method to handle RSS2-like (RSS 0.9x, 2.0) documents.
Definition: documentvisitor.cpp:38
Syndication::DocumentVisitor::visitAtomFeedDocument
virtual bool visitAtomFeedDocument(Syndication::Atom::FeedDocument *document)
reimplement this method to handle Atom feed documents (most Atom feeds are of this type)...
Definition: documentvisitor.cpp:48
Syndication::SpecificDocument
Document interface for format-specific feed documents as parsed from a document source (see DocumentS...
Definition: specificdocument.h:52
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