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, 202 insertions, 0 deletions

diff --git a/kdecore/ksycocafactory.cpp b/kdecore/ksycocafactory.cpp
new file mode 100644
index 000000000..3542fa0cb
--- /dev/null
+++ b/kdecore/ksycocafactory.cpp
@@ -0,0 +1,202 @@
+/*  This file is part of the KDE libraries
+ *  Copyright (C) 1999 David Faure <faure@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 version 2 as published by the Free Software Foundation;
+ *
+ *  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.
+ **/
+
+#include "ksycoca.h"
+#include "ksycocatype.h"
+#include "ksycocafactory.h"
+#include "ksycocaentry.h"
+#include "ksycocadict.h"
+#include <qstringlist.h>
+#include <qdict.h>
+#include <kdebug.h>
+
+template class QDict<KSycocaEntry>;
+template class QDict<KSharedPtr<KSycocaEntry> >;
+
+KSycocaFactory::KSycocaFactory(KSycocaFactoryId factory_id)
+ : m_resourceList(0), m_entryDict(0), m_sycocaDict(0)
+{
+  if (!KSycoca::self()->isBuilding()) // read-only database ?
+  {
+      m_str = KSycoca::self()->findFactory( factory_id );
+      // can't call factoryId() here since the constructor can't call inherited methods
+      if (m_str) // Can be 0 in case of errors
+      {
+          // Read position of index tables....
+          Q_INT32 i;
+          (*m_str) >> i;
+          m_sycocaDictOffset = i;
+          (*m_str) >> i;
+          m_beginEntryOffset = i;
+          (*m_str) >> i;
+          m_endEntryOffset = i;
+
+          int saveOffset = m_str->device()->at();
+          // Init index tables
+          m_sycocaDict = new KSycocaDict(m_str, m_sycocaDictOffset);   
+          saveOffset = m_str->device()->at(saveOffset);
+      }
+   }
+   else
+   {
+      // Build new database!
+      m_str = 0;
+      m_resourceList = 0;
+      m_entryDict = new KSycocaEntryDict(977);
+      m_entryDict->setAutoDelete(true);
+      m_sycocaDict = new KSycocaDict();
+      m_beginEntryOffset = 0;
+      m_endEntryOffset = 0;
+
+      // m_resourceList will be filled in by inherited constructors
+   }
+   KSycoca::self()->addFactory(this);
+}
+
+KSycocaFactory::~KSycocaFactory()
+{
+   delete m_entryDict;
+   delete m_sycocaDict;
+}
+
+void
+KSycocaFactory::saveHeader(QDataStream &str)
+{
+   // Write header 
+   str.device()->at(mOffset);
+   str << (Q_INT32) m_sycocaDictOffset;
+   str << (Q_INT32) m_beginEntryOffset;
+   str << (Q_INT32) m_endEntryOffset;
+}
+
+void
+KSycocaFactory::save(QDataStream &str)
+{
+   if (!m_entryDict) return; // Error! Function should only be called when
+                             // building database
+   if (!m_sycocaDict) return; // Error!
+
+   mOffset = str.device()->at(); // store position in member variable
+   m_sycocaDictOffset = 0;
+
+   // Write header (pass #1)
+   saveHeader(str);
+
+   m_beginEntryOffset = str.device()->at();
+
+   // Write all entries.
+   int entryCount = 0;
+   for(QDictIterator<KSycocaEntry::Ptr> it ( *m_entryDict ); 
+       it.current(); 
+       ++it)
+   {
+      KSycocaEntry *entry = (*it.current());
+      entry->save(str);
+      entryCount++;
+   }
+
+   m_endEntryOffset = str.device()->at();
+
+   // Write indices...
+   // Linear index
+   str << (Q_INT32) entryCount;
+   for(QDictIterator<KSycocaEntry::Ptr> it ( *m_entryDict ); 
+       it.current(); 
+       ++it)
+   {
+      KSycocaEntry *entry = (*it.current());
+      str << (Q_INT32) entry->offset(); 
+   }
+
+   // Dictionary index
+   m_sycocaDictOffset = str.device()->at();      
+   m_sycocaDict->save(str);
+
+   int endOfFactoryData = str.device()->at();
+
+   // Update header (pass #2)
+   saveHeader(str);
+
+   // Seek to end.
+   str.device()->at(endOfFactoryData);
+}
+
+void 
+KSycocaFactory::addEntry(KSycocaEntry *newEntry, const char *)
+{
+   if (!m_entryDict) return; // Error! Function should only be called when
+                             // building database
+
+   if (!m_sycocaDict) return; // Error!
+
+   QString name = newEntry->name();
+   m_entryDict->insert( name, new KSycocaEntry::Ptr(newEntry) );
+   m_sycocaDict->add( name, newEntry );
+}
+
+void 
+KSycocaFactory::removeEntry(KSycocaEntry *newEntry)
+{
+   if (!m_entryDict) return; // Error! Function should only be called when
+                             // building database
+
+   if (!m_sycocaDict) return; // Error!
+
+   QString name = newEntry->name();
+   m_entryDict->remove( name );
+   m_sycocaDict->remove( name );
+}
+
+KSycocaEntry::List KSycocaFactory::allEntries()
+{
+   KSycocaEntry::List list;
+   if (!m_str) return list;
+
+   // Assume we're NOT building a database
+
+   m_str->device()->at(m_endEntryOffset);
+   Q_INT32 entryCount;
+   (*m_str) >> entryCount;
+   
+   if (entryCount > 8192)
+   {
+      KSycoca::flagError();
+      return list;
+   }
+
+   Q_INT32 *offsetList = new Q_INT32[entryCount];
+   for(int i = 0; i < entryCount; i++)
+   {
+      (*m_str) >> offsetList[i];
+   }
+
+   for(int i = 0; i < entryCount; i++)
+   {
+      KSycocaEntry *newEntry = createEntry(offsetList[i]);
+      if (newEntry)
+      {
+         list.append( KSycocaEntry::Ptr( newEntry ) );
+      }
+   }
+   delete [] offsetList;
+   return list;
+}
+
+void KSycocaFactory::virtual_hook( int /*id*/, void* /*data*/)
+{ /*BASE::virtual_hook( id, data );*/ }
+