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kprotocolinfofactory.cpp
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1/* This file is part of the KDE libraries
2 Copyright (C) 1999 Torben Weis <weis@kde.org>
3 Copyright (C) 2003 Waldo Bastian <bastian@kde.org>
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License version 2 as published by the Free Software Foundation.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18*/
19
20#include "kprotocolinfofactory.h"
21
22#include <kstandarddirs.h>
23#include <kdebug.h>
24#include <ksycoca.h>
25#include <ksycocadict_p.h>
26
27K_GLOBAL_STATIC(KSycocaFactorySingleton<KProtocolInfoFactory>, kProtocolInfoFactoryInstance)
28
29KProtocolInfoFactory::KProtocolInfoFactory() : KSycocaFactory( KST_KProtocolInfoFactory )
30{
31 kProtocolInfoFactoryInstance->instanceCreated(this);
32}
33
34KProtocolInfoFactory::~KProtocolInfoFactory()
35{
36 if (kProtocolInfoFactoryInstance.exists())
37 kProtocolInfoFactoryInstance->instanceDestroyed(this);
38}
39
40KProtocolInfo*
41KProtocolInfoFactory::createEntry(int offset) const
42{
43 KProtocolInfo *info = 0;
44 KSycocaType type;
45 QDataStream *str = KSycoca::self()->findEntry(offset, type);
46 switch (type)
47 {
48 case KST_KProtocolInfo:
49 info = new KProtocolInfo(*str, offset);
50 break;
51 default:
52 return 0;
53 }
54 if (!info->isValid())
55 {
56 delete info;
57 info = 0;
58 }
59 return info;
60}
61
62
63QStringList KProtocolInfoFactory::protocols() const
64{
65 QStringList res;
66 const KSycocaEntry::List list = allEntries();
67 for( KSycocaEntry::List::const_iterator it = list.begin();
68 it != list.end();
69 ++it) {
70 const KSycocaEntry *entry = (*it).data();
71 const KProtocolInfo *info = static_cast<const KProtocolInfo *>(entry);
72 res.append( info->name() );
73 }
74 return res;
75}
76
77KProtocolInfo::List KProtocolInfoFactory::allProtocols() const
78{
79 KProtocolInfo::List result;
80 const KSycocaEntry::List list = allEntries();
81 for( KSycocaEntry::List::ConstIterator it = list.begin();
82 it != list.end();
83 ++it) {
84 if ((*it)->isType(KST_KProtocolInfo)) {
85 result.append(KProtocolInfo::Ptr::staticCast(*it));
86 }
87 }
88 return result;
89}
90
91KProtocolInfo::Ptr KProtocolInfoFactory::findProtocol(const QString &protocol)
92{
93 if (!sycocaDict()) return KProtocolInfo::Ptr(); // Error!
94
95 QMap<QString,KProtocolInfo::Ptr>::iterator it = m_cache.find(protocol);
96 if (it != m_cache.end())
97 return *it;
98
99 int offset;
100
101 offset = sycocaDict()->find_string( protocol );
102
103 if (!offset) return KProtocolInfo::Ptr(); // Not found;
104
105 KProtocolInfo::Ptr info(createEntry(offset));
106
107 if (info && (info->name() != protocol))
108 {
109 // No it wasn't...
110 return KProtocolInfo::Ptr(); // Not found
111 }
112 m_cache.insert(protocol,info);
113 return info;
114}
115
116void KProtocolInfoFactory::virtual_hook( int id, void* data )
117{ KSycocaFactory::virtual_hook( id, data ); }
118
119KProtocolInfoFactory* KProtocolInfoFactory::self()
120{
121 return kProtocolInfoFactoryInstance->self();
122}
KProtocolInfoFactory
Factory for KProtocolInfo.
Definition: kprotocolinfofactory.h:44
KProtocolInfoFactory::self
static KProtocolInfoFactory * self()
The instance of the KProtocolInfoFactory.
Definition: kprotocolinfofactory.cpp:119
KProtocolInfoFactory::findProtocol
KProtocolInfo::Ptr findProtocol(const QString &protocol)
Definition: kprotocolinfofactory.cpp:91
KProtocolInfoFactory::virtual_hook
virtual void virtual_hook(int id, void *data)
Virtual hook, used to add new "virtual" functions while maintaining binary compatibility.
Definition: kprotocolinfofactory.cpp:116
KProtocolInfoFactory::~KProtocolInfoFactory
virtual ~KProtocolInfoFactory()
Definition: kprotocolinfofactory.cpp:34
KProtocolInfoFactory::allProtocols
KProtocolInfo::List allProtocols() const
Definition: kprotocolinfofactory.cpp:77
KProtocolInfoFactory::protocols
QStringList protocols() const
Returns list of all known protocols.
Definition: kprotocolinfofactory.cpp:63
KProtocolInfoFactory::createEntry
virtual KSycocaEntry * createEntry(const QString &, const char *) const
Definition: kprotocolinfofactory.h:81
KProtocolInfo
Information about I/O (Internet, etc.) protocols supported by KDE.
Definition: kprotocolinfo.h:51
KProtocolInfo::Ptr
KSharedPtr< KProtocolInfo > Ptr
Definition: kprotocolinfo.h:56
KSharedPtr
Can be used to control the lifetime of an object that has derived QSharedData.
Definition: ksharedptr.h:64
KSharedPtr::staticCast
static KSharedPtr< T > staticCast(const KSharedPtr< U > &o)
Convert KSharedPtr to KSharedPtr<T>, using a static_cast.
Definition: ksharedptr.h:173
KSycocaDict::find_string
int find_string(const QString &key) const
Looks up an entry identified by 'key'.
Definition: ksycocadict.cpp:146
KSycocaEntry
Base class for all Sycoca entries.
Definition: ksycocaentry.h:42
KSycocaEntry::isValid
bool isValid() const
Definition: ksycocaentry.cpp:151
KSycocaEntry::name
QString name() const
Definition: ksycocaentry.cpp:157
KSycocaFactorySingleton
Template for making it easier to define a threadsafe singleton for each factory, with support for kbu...
Definition: ksycocafactory.h:177
KSycocaFactory
Definition: ksycocafactory.h:37
KSycocaFactory::allEntries
virtual KSycocaEntry::List allEntries() const
Get a list of all entries from the database.
Definition: ksycocafactory.cpp:183
KSycocaFactory::virtual_hook
virtual void virtual_hook(int id, void *data)
Virtual hook, used to add new "virtual" functions while maintaining binary compatibility.
Definition: ksycocafactory.cpp:246
KSycocaFactory::offset
int offset() const
Definition: ksycocafactory.cpp:221
KSycocaFactory::sycocaDict
const KSycocaDict * sycocaDict() const
Definition: ksycocafactory.cpp:231
KSycoca::self
static KSycoca * self()
Get or create the only instance of KSycoca (read-only)
Definition: ksycoca.cpp:293
KSycoca::findEntry
QDataStream * findEntry(int offset, KSycocaType &type)
Definition: ksycoca.cpp:370
QList< Ptr >
QMap
QStringList
QString
K_GLOBAL_STATIC
#define K_GLOBAL_STATIC(TYPE, NAME)
This macro makes it easy to use non-POD types as global statics.
Definition: kglobal.h:221
kdebug.h
kprotocolinfofactory.h
kstandarddirs.h
ksycoca.h
ksycocadict_p.h
KST_KProtocolInfo
@ KST_KProtocolInfo
Definition: ksycocatype.h:33
KST_KProtocolInfoFactory
@ KST_KProtocolInfoFactory
Definition: ksycocatype.h:48
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