Syndication

atom/category.h
1 /*
2  This file is part of the syndication library
3  SPDX-FileCopyrightText: 2006 Frank Osterfeld <[email protected]>
4 
5  SPDX-License-Identifier: LGPL-2.0-or-later
6 */
7 
8 #ifndef SYNDICATION_ATOM_CATEGORY_H
9 #define SYNDICATION_ATOM_CATEGORY_H
10 
11 #include <syndication/elementwrapper.h>
12 
13 class QDomElement;
14 class QString;
15 
16 namespace Syndication
17 {
18 namespace Atom
19 {
20 /**
21  * A category for categorizing items or whole feeds.
22  * A category can be an informal string set by the feed author ("General",
23  * "Stuff I like"), a tag assigned by readers, as known from flickr.com
24  * or de.licio.us ("KDE", "funny"), or a term from a formally defined ontology.
25  *
26  * To represent the category in a user interface, use label() (or term() as
27  * fallback). To create a key for e.g. storage purposes, use scheme() + term().
28  *
29  * @author Frank Osterfeld
30  */
31 class SYNDICATION_EXPORT Category : public ElementWrapper
32 {
33 public:
34  /**
35  * creates a null category object.
36  */
37  Category();
38 
39  /**
40  * creates a Category object wrapping an atom:category element.
41  * @param element a DOM element, should be a atom:category element
42  * (although not enforced), otherwise this object will not parse
43  * anything useful
44  */
45  explicit Category(const QDomElement &element);
46 
47  /**
48  * a term describing the category. (required)
49  *
50  * @return the category term as plain text (no HTML, "&", "<" etc. are
51  * unescaped!)
52  */
53  Q_REQUIRED_RESULT QString term() const;
54 
55  /**
56  * naming scheme the category term is part of. (optional)
57  * A term is unique in its scheme (like in C++ identifiers are
58  * unique in their namespaces)
59  *
60  * @return a URI representing the scheme, or a null string
61  * if not specified
62  */
63  Q_REQUIRED_RESULT QString scheme() const;
64 
65  /**
66  * Label of the category (optional).
67  * If specified, this string should be used to represent this category
68  * in a user interface.
69  * If not specified, use term() instead.
70  *
71  * @return the label as plain text (no HTML, "&", "<" etc. are
72  * unescaped!), or a null string if not specified
73  */
74  Q_REQUIRED_RESULT QString label() const;
75 
76  /**
77  * description of this category object for debugging purposes
78  *
79  * @return debug string
80  */
81  Q_REQUIRED_RESULT QString debugInfo() const;
82 };
83 
84 } // namespace Atom
85 } // namespace Syndication
86 
87 #endif // SYNDICATION_ATOM_CATEGORY_H
A category for categorizing items or whole feeds.
Definition: atom/category.h:31
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