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 | #include "documentsource.h" |
24 | #include "tools.h" |
25 | |
26 | #include <QtCore/QByteArray> |
27 | #include <QtXml/QDomDocument> |
28 | #include <QtXml/QXmlSimpleReader> |
29 | |
30 | namespace Syndication { |
31 | |
32 | class DocumentSource::DocumentSourcePrivate |
33 | { |
34 | public: |
35 | QByteArray array; |
36 | QString url; |
37 | mutable QDomDocument domDoc; |
38 | mutable bool parsed; |
39 | mutable unsigned int hash; |
40 | mutable bool calculatedHash; |
41 | }; |
42 | |
43 | DocumentSource::DocumentSource() : d(new DocumentSourcePrivate) |
44 | { |
45 | d->parsed = true; |
46 | d->calculatedHash = true; |
47 | d->hash = 0; |
48 | } |
49 | |
50 | |
51 | DocumentSource::DocumentSource(const QByteArray& source, const QString& url) : d(new DocumentSourcePrivate) |
52 | { |
53 | d->array = source; |
54 | d->url = url; |
55 | d->calculatedHash = false; |
56 | d->parsed = false; |
57 | } |
58 | |
59 | DocumentSource::DocumentSource(const DocumentSource& other) : d() |
60 | { |
61 | *this = other; |
62 | } |
63 | |
64 | DocumentSource::~DocumentSource() |
65 | { |
66 | } |
67 | |
68 | DocumentSource& DocumentSource::operator=(const DocumentSource& other) |
69 | { |
70 | d = other.d; |
71 | return *this; |
72 | } |
73 | |
74 | QByteArray DocumentSource::asByteArray() const |
75 | { |
76 | return d->array; |
77 | } |
78 | |
79 | QDomDocument DocumentSource::asDomDocument() const |
80 | { |
81 | if (!d->parsed) |
82 | { |
83 | QXmlInputSource source; |
84 | source.setData(d->array); |
85 | |
86 | QXmlSimpleReader reader; |
87 | reader.setFeature(QLatin1String("http://xml.org/sax/features/namespaces" ), true); |
88 | |
89 | if (!d->domDoc.setContent(&source, &reader)) |
90 | d->domDoc.clear(); |
91 | |
92 | d->parsed = true; |
93 | } |
94 | |
95 | return d->domDoc; |
96 | } |
97 | |
98 | unsigned int DocumentSource::size() const |
99 | { |
100 | return d->array.size(); |
101 | } |
102 | |
103 | unsigned int DocumentSource::hash() const |
104 | { |
105 | if (!d->calculatedHash) |
106 | { |
107 | d->hash = calcHash(d->array); |
108 | d->calculatedHash = true; |
109 | } |
110 | |
111 | return d->hash; |
112 | } |
113 | |
114 | QString DocumentSource::url() const |
115 | { |
116 | return d->url; |
117 | } |
118 | |
119 | } // namespace Syndication |
120 | |