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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 159 insertions, 0 deletions

diff --git a/libkdepim/pluginloaderbase.cpp b/libkdepim/pluginloaderbase.cpp
new file mode 100644
index 000000000..03c397799
--- /dev/null
+++ b/libkdepim/pluginloaderbase.cpp
@@ -0,0 +1,159 @@
+/*  -*- c++ -*-
+    This file is part of libkdepim.
+
+    Copyright (c) 2002,2004 Marc Mutz <mutz@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.
+*/
+
+#include <pluginloaderbase.h>
+
+#include <ksimpleconfig.h>
+#include <klocale.h>
+#include <kstandarddirs.h>
+#include <klibloader.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+#include <qfile.h>
+#include <qstringlist.h>
+
+static kdbgstream warning() {
+  return kdWarning( 5300 ) << "PluginLoaderBase: ";
+}
+#ifndef NDEBUG
+static kdbgstream debug( bool cond )
+#else
+static kndbgstream debug( bool cond )
+#endif
+{
+  return kdDebug( cond, 5300 ) << "PluginLoaderBase: ";
+}
+
+namespace KPIM {
+
+  PluginLoaderBase::PluginLoaderBase() : d(0) {}
+  PluginLoaderBase::~PluginLoaderBase() {}
+
+
+  QStringList PluginLoaderBase::types() const {
+    QStringList result;
+    for ( QMap< QString, PluginMetaData >::const_iterator it = mPluginMap.begin();
+	  it != mPluginMap.end() ; ++it )
+      result.push_back( it.key() );
+    return result;
+  }
+
+  const PluginMetaData * PluginLoaderBase::infoForName( const QString & type ) const {
+    return mPluginMap.contains( type ) ? &(mPluginMap[type]) : 0 ;
+  }
+
+
+  void PluginLoaderBase::doScan( const char * path ) {
+    mPluginMap.clear();
+
+    const QStringList list =
+      KGlobal::dirs()->findAllResources( "data", path, true, true );
+    for ( QStringList::const_iterator it = list.begin() ;
+	  it != list.end() ; ++it ) {
+      KSimpleConfig config( *it, true );
+      if ( config.hasGroup( "Misc" ) && config.hasGroup( "Plugin" ) ) {
+	config.setGroup( "Plugin" );
+
+	const QString type = config.readEntry( "Type" ).lower();
+	if ( type.isEmpty() ) {
+	  warning() << "missing or empty [Plugin]Type value in \""
+		    << *it << "\" - skipping" << endl;
+	  continue;
+	}
+
+	const QString library = config.readEntry( "X-KDE-Library" );
+	if ( library.isEmpty() ) {
+	  warning() << "missing or empty [Plugin]X-KDE-Library value in \""
+		    << *it << "\" - skipping" << endl;
+	  continue;
+	}
+
+	config.setGroup( "Misc" );
+
+	QString name = config.readEntry( "Name" );
+	if ( name.isEmpty() ) {
+	  warning() << "missing or empty [Misc]Name value in \""
+		    << *it << "\" - inserting default name" << endl;
+	  name = i18n("Unnamed plugin");
+	}
+
+	QString comment = config.readEntry( "Comment" );
+	if ( comment.isEmpty() ) {
+	  warning() << "missing or empty [Misc]Comment value in \""
+		    << *it << "\" - inserting default name" << endl;
+	  comment = i18n("No description available");
+	}
+
+	mPluginMap.insert( type, PluginMetaData( library, name, comment ) );
+      } else {
+	warning() << "Desktop file \"" << *it
+		  << "\" doesn't seem to describe a plugin "
+		  << "(misses Misc and/or Plugin group)" << endl;
+      }
+    }
+  }
+
+  void * PluginLoaderBase::mainFunc( const QString & type,
+				     const char * mf_name ) const {
+    if ( type.isEmpty() || !mPluginMap.contains( type ) )
+      return 0;
+
+    const QString libName = mPluginMap[ type ].library;
+    if ( libName.isEmpty() )
+      return 0;
+
+    const KLibrary * lib = openLibrary( libName );
+    if ( !lib )
+      return 0;
+
+    mPluginMap[ type ].loaded = true;
+
+    const QString factory_name = libName + '_' + mf_name;
+    if ( !lib->hasSymbol( factory_name.latin1() ) ) {
+      warning() << "No symbol named \"" << factory_name.latin1() << "\" ("
+		<< factory_name << ") was found in library \"" << libName
+		<< "\"" << endl;
+      return 0;
+    }
+
+    return lib->symbol( factory_name.latin1() );
+  }
+
+  const KLibrary * PluginLoaderBase::openLibrary( const QString & libName ) const {
+
+    const QString path = KLibLoader::findLibrary( QFile::encodeName( libName ) );
+
+    if ( path.isEmpty() ) {
+      warning() << "No plugin library named \"" << libName
+		<< "\" was found!" << endl;
+      return 0;
+    }
+
+    const KLibrary * library = KLibLoader::self()->library( QFile::encodeName( path ) );
+
+    debug( !library ) << "Could not load library '" << libName << "'" << endl;
+
+    return library;
+  }
+
+
+} // namespace KMime