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

1 files changed, 367 insertions, 0 deletions

diff --git a/kdecore/kconfig.cpp b/kdecore/kconfig.cpp
new file mode 100644
index 000000000..4712415f4
--- /dev/null
+++ b/kdecore/kconfig.cpp
@@ -0,0 +1,367 @@
+/*
+  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"