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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kdecore/kconfig.cpp
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kdecore/kconfig.cpp')
-rw-r--r--kdecore/kconfig.cpp367
1 files changed, 367 insertions, 0 deletions
diff --git a/kdecore/kconfig.cpp b/kdecore/kconfig.cpp
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+/*
+ This file is part of the KDE libraries
+ Copyright (c) 1999 Preston Brown <pbrown@kde.org>
+ Copyright (C) 1997-1999 Matthias Kalle Dalheimer (kalle@kde.org)
+
+ 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.
+*/
+
+// $Id$
+
+#include <config.h>
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <qfileinfo.h>
+
+#include <kapplication.h>
+#include "kconfigbackend.h"
+
+#include "kconfig.h"
+#include "kglobal.h"
+#include "kstandarddirs.h"
+#include "kstaticdeleter.h"
+#include <qtimer.h>
+
+KConfig::KConfig( const QString& fileName,
+ bool bReadOnly, bool bUseKderc, const char *resType )
+ : KConfigBase(), bGroupImmutable(false), bFileImmutable(false),
+ bForceGlobal(false)
+{
+ // set the object's read-only status.
+ setReadOnly(bReadOnly);
+
+ // for right now we will hardcode that we are using the INI
+ // back end driver. In the future this should be converted over to
+ // a object factory of some sorts.
+ KConfigINIBackEnd *aBackEnd = new KConfigINIBackEnd(this,
+ fileName,
+ resType,
+ bUseKderc);
+
+ // set the object's back end pointer to this new backend
+ backEnd = aBackEnd;
+
+ // read initial information off disk
+ reparseConfiguration();
+
+ // we let KStandardDirs add custom user config files. It will do
+ // this only once. So only the first call ever to this constructor
+ // will anything else than return here We have to reparse here as
+ // configuration files may appear after customized directories have
+ // been added. and the info they contain needs to be inserted into the
+ // config object.
+ // Since this makes only sense for config directories, addCustomized
+ // returns true only if new config directories appeared.
+ if (KGlobal::dirs()->addCustomized(this))
+ reparseConfiguration();
+}
+
+KConfig::KConfig(KConfigBackEnd *aBackEnd, bool bReadOnly)
+ : bGroupImmutable(false), bFileImmutable(false),
+ bForceGlobal(false)
+{
+ setReadOnly(bReadOnly);
+ backEnd = aBackEnd;
+ reparseConfiguration();
+}
+
+KConfig::~KConfig()
+{
+ sync();
+
+ delete backEnd;
+}
+
+void KConfig::rollback(bool bDeep)
+{
+ KConfigBase::rollback(bDeep);
+
+ if (!bDeep)
+ return; // object's bDeep flag is set in KConfigBase method
+
+ // clear any dirty flags that entries might have set
+ for (KEntryMapIterator aIt = aEntryMap.begin();
+ aIt != aEntryMap.end(); ++aIt)
+ (*aIt).bDirty = false;
+}
+
+QStringList KConfig::groupList() const
+{
+ QStringList retList;
+
+ KEntryMapConstIterator aIt = aEntryMap.begin();
+ KEntryMapConstIterator aEnd = aEntryMap.end();
+ for (; aIt != aEnd; ++aIt)
+ {
+ while(aIt.key().mKey.isEmpty())
+ {
+ QCString group = aIt.key().mGroup;
+ ++aIt;
+ while (true)
+ {
+ if (aIt == aEnd)
+ return retList; // done
+
+ if (aIt.key().mKey.isEmpty())
+ break; // Group is empty, next group
+
+ if (!aIt.key().bDefault && !(*aIt).bDeleted)
+ {
+ if (group != "$Version") // Special case!
+ retList.append(QString::fromUtf8(group));
+ break; // Group is non-empty, added, next group
+ }
+ ++aIt;
+ }
+ }
+ }
+
+ return retList;
+}
+
+QMap<QString, QString> KConfig::entryMap(const QString &pGroup) const
+{
+ QCString pGroup_utf = pGroup.utf8();
+ KEntryKey groupKey( pGroup_utf, 0 );
+ QMap<QString, QString> tmpMap;
+
+ KEntryMapConstIterator aIt = aEntryMap.find(groupKey);
+ if (aIt == aEntryMap.end())
+ return tmpMap;
+ ++aIt; // advance past special group entry marker
+ for (; aIt.key().mGroup == pGroup_utf && aIt != aEntryMap.end(); ++aIt)
+ {
+ // Leave the default values out && leave deleted entries out
+ if (!aIt.key().bDefault && !(*aIt).bDeleted)
+ tmpMap.insert(QString::fromUtf8(aIt.key().mKey), QString::fromUtf8((*aIt).mValue.data(), (*aIt).mValue.length()));
+ }
+
+ return tmpMap;
+}
+
+void KConfig::reparseConfiguration()
+{
+ // Don't lose pending changes
+ if (!isReadOnly() && backEnd && bDirty)
+ backEnd->sync();
+
+ aEntryMap.clear();
+
+ // add the "default group" marker to the map
+ KEntryKey groupKey("<default>", 0);
+ aEntryMap.insert(groupKey, KEntry());
+
+ bFileImmutable = false;
+ parseConfigFiles();
+ bFileImmutable = bReadOnly;
+}
+
+KEntryMap KConfig::internalEntryMap(const QString &pGroup) const
+{
+ QCString pGroup_utf = pGroup.utf8();
+ KEntry aEntry;
+ KEntryMapConstIterator aIt;
+ KEntryKey aKey(pGroup_utf, 0);
+ KEntryMap tmpEntryMap;
+
+ aIt = aEntryMap.find(aKey);
+ if (aIt == aEntryMap.end()) {
+ // the special group key is not in the map,
+ // so it must be an invalid group. Return
+ // an empty map.
+ return tmpEntryMap;
+ }
+ // we now have a pointer to the nodes we want to copy.
+ for (; aIt.key().mGroup == pGroup_utf && aIt != aEntryMap.end(); ++aIt)
+ {
+ tmpEntryMap.insert(aIt.key(), *aIt);
+ }
+
+ return tmpEntryMap;
+}
+
+void KConfig::putData(const KEntryKey &_key, const KEntry &_data, bool _checkGroup)
+{
+ if (bFileImmutable && !_key.bDefault)
+ return;
+
+ // check to see if the special group key is present,
+ // and if not, put it in.
+ if (_checkGroup)
+ {
+ KEntryKey groupKey( _key.mGroup, 0);
+ KEntry &entry = aEntryMap[groupKey];
+ bGroupImmutable = entry.bImmutable;
+ }
+ if (bGroupImmutable && !_key.bDefault)
+ return;
+
+ // now either add or replace the data
+ KEntry &entry = aEntryMap[_key];
+ bool immutable = entry.bImmutable;
+ if (immutable && !_key.bDefault)
+ return;
+
+ entry = _data;
+ entry.bImmutable |= immutable;
+ entry.bGlobal |= bForceGlobal; // force to kdeglobals
+
+ if (_key.bDefault)
+ {
+ // We have added the data as default value,
+ // add it as normal value as well.
+ KEntryKey key(_key);
+ key.bDefault = false;
+ aEntryMap[key] = _data;
+ }
+}
+
+KEntry KConfig::lookupData(const KEntryKey &_key) const
+{
+ KEntryMapConstIterator aIt = aEntryMap.find(_key);
+ if (aIt != aEntryMap.end())
+ {
+ const KEntry &entry = *aIt;
+ if (entry.bDeleted)
+ return KEntry();
+ else
+ return entry;
+ }
+ else {
+ return KEntry();
+ }
+}
+
+bool KConfig::internalHasGroup(const QCString &group) const
+{
+ KEntryKey groupKey( group, 0);
+
+ KEntryMapConstIterator aIt = aEntryMap.find(groupKey);
+ KEntryMapConstIterator aEnd = aEntryMap.end();
+
+ if (aIt == aEnd)
+ return false;
+ ++aIt;
+ for(; (aIt != aEnd); ++aIt)
+ {
+ if (aIt.key().mKey.isEmpty())
+ break;
+
+ if (!aIt.key().bDefault && !(*aIt).bDeleted)
+ return true;
+ }
+ return false;
+}
+
+void KConfig::setFileWriteMode(int mode)
+{
+ backEnd->setFileWriteMode(mode);
+}
+
+KLockFile::Ptr KConfig::lockFile(bool bGlobal)
+{
+ KConfigINIBackEnd *aBackEnd = dynamic_cast<KConfigINIBackEnd*>(backEnd);
+ if (!aBackEnd) return 0;
+ return aBackEnd->lockFile(bGlobal);
+}
+
+void KConfig::checkUpdate(const QString &id, const QString &updateFile)
+{
+ QString oldGroup = group();
+ setGroup("$Version");
+ QString cfg_id = updateFile+":"+id;
+ QStringList ids = readListEntry("update_info");
+ if (!ids.contains(cfg_id))
+ {
+ QStringList args;
+ args << "--check" << updateFile;
+ KApplication::kdeinitExecWait("kconf_update", args);
+ reparseConfiguration();
+ }
+ setGroup(oldGroup);
+}
+
+KConfig* KConfig::copyTo(const QString &file, KConfig *config) const
+{
+ if (!config)
+ config = new KConfig(QString::null, false, false);
+ config->backEnd->changeFileName(file, "config", false);
+ config->setReadOnly(false);
+ config->bFileImmutable = false;
+ config->backEnd->mConfigState = ReadWrite;
+
+ QStringList groups = groupList();
+ for(QStringList::ConstIterator it = groups.begin();
+ it != groups.end(); ++it)
+ {
+ QMap<QString, QString> map = entryMap(*it);
+ config->setGroup(*it);
+ for (QMap<QString,QString>::Iterator it2 = map.begin();
+ it2 != map.end(); ++it2)
+ {
+ config->writeEntry(it2.key(), it2.data());
+ }
+
+ }
+ return config;
+}
+
+void KConfig::virtual_hook( int id, void* data )
+{ KConfigBase::virtual_hook( id, data ); }
+
+static KStaticDeleter< QValueList<KSharedConfig*> > sd;
+QValueList<KSharedConfig*> *KSharedConfig::s_list = 0;
+
+KSharedConfig::Ptr KSharedConfig::openConfig(const QString& fileName, bool readOnly, bool useKDEGlobals )
+{
+ if (s_list)
+ {
+ for(QValueList<KSharedConfig*>::ConstIterator it = s_list->begin();
+ it != s_list->end(); ++it)
+ {
+ if ((*it)->backEnd->fileName() == fileName &&
+ (*it)->bReadOnly == readOnly &&
+ (*it)->backEnd->useKDEGlobals == useKDEGlobals )
+ return (*it);
+ }
+ }
+ return new KSharedConfig(fileName, readOnly, useKDEGlobals);
+}
+
+KSharedConfig::KSharedConfig( const QString& fileName, bool readonly, bool usekdeglobals)
+ : KConfig(fileName, readonly, usekdeglobals)
+{
+ if (!s_list)
+ {
+ sd.setObject(s_list, new QValueList<KSharedConfig*>);
+ }
+
+ s_list->append(this);
+}
+
+KSharedConfig::~KSharedConfig()
+{
+ if ( s_list )
+ s_list->remove(this);
+}
+
+#include "kconfig.moc"