# dcop Library API Documentation

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# stub.cpp

    00001 /*****************************************************************
    00002 Copyright (c) 1999 Torben Weis <weis@kde.org>
    00003 Copyright (c) 2000 Matthias Ettrich <ettrich@kde.org>
    00004
    00005 Permission is hereby granted, free of charge, to any person obtaining a copy
    00006 of this software and associated documentation files (the "Software"), to deal
    00007 in the Software without restriction, including without limitation the rights
    00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00009 copies of the Software, and to permit persons to whom the Software is
    00010 furnished to do so, subject to the following conditions:
    00011
    00012 The above copyright notice and this permission notice shall be included in
    00013 all copies or substantial portions of the Software.
    00014
    00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    00018 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
    00019 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
    00020 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    00021
    00022 ******************************************************************/
    00023 #include <qdom.h>
    00024 #include <qfile.h>
    00025 #include <qtextstream.h>
    00026 #include <qstring.h>
    00027 #include <qstringlist.h>
    00028
    00029 #include <string.h>
    00030 #include <stdlib.h>
    00031 #include <stdio.h>
    00032 #include <unistd.h>
    00033 #include "main.h"
    00034
    00035
    00039 void generateStub( const QString& idl, const QString& filename, QDomElement de)
    00040 {
    00041     QFile stub( filename );
    00042     if ( !stub.open( IO_WriteOnly ) )
    00043         qFatal("Could not write to %s", filename.local8Bit().data() );
    00044
    00045     QTextStream str( &stub );
    00046
    00047     str << "/****************************************************************************" << endl;
    00048     str << "**" << endl;
    00049     str << "** DCOP Stub Definition created by dcopidl2cpp from " << idl << endl;
    00050     str << "**" << endl;
    00051     str << "** WARNING! All changes made in this file will be lost!" << endl;
    00052     str << "**" << endl;
    00053     str << "*****************************************************************************/" << endl;
    00054     str << endl;
    00055
    00056     QString ifdefstring = idl.upper();
    00057     int pos = idl.findRev( '.' );
    00058     if ( pos != -1 )
    00059         ifdefstring = ifdefstring.left( pos );
    00060
    00061     QString ifdefsuffix = "_STUB__";
    00062     str << "#ifndef __" << ifdefstring << ifdefsuffix << endl;
    00063     str << "#define __" << ifdefstring << ifdefsuffix << endl << endl;
    00064
    00065     str << "#include <dcopstub.h>" << endl;
    00066
    00067     QStringList includeslist, all_includes;
    00068     QDomElement e = de.firstChild().toElement();
    00069     for( ; !e.isNull(); e = e.nextSibling().toElement() ) {
    00070         if ( e.tagName() == "INCLUDE" ) {
    00071             // dcopidl lists the includes in reversed order because of the used yacc/bison gramatic
    00072             // so let's reverse it back, as the order may be important
    00073             includeslist.prepend( e.firstChild().toText().data());
    00074             continue;
    00075         }
    00076         if( !includeslist.empty()) {
    00077             for( QStringList::ConstIterator it = includeslist.begin();
    00078                  it != includeslist.end();
    00079                  ++it ) {
    00080                 str << "#include <" << ( *it ) << ">" << endl;
    00081                 all_includes.append( *it );
    00082             }
    00083             includeslist.clear();
    00084         }
    00085         if ( e.tagName() == "CLASS" ) {
    00086             str << endl;
    00087
    00088             QDomElement n = e.firstChild().toElement();
    00089             Q_ASSERT( n.tagName() == "NAME" );
    00090             QString className = n.firstChild().toText().data()
    00091                          + ( "_stub" );
    00092
    00093             // find dcop parent ( rightmost super class )
    00094             QString DCOPParent;
    00095             QDomElement s = n.nextSibling().toElement();
    00096             for( ; !s.isNull(); s = s.nextSibling().toElement() ) {
    00097                 if ( s.tagName() == "SUPER" )
    00098                     DCOPParent = s.firstChild().toText().data();
    00099             }
    00100
    00101             if( DCOPParent != "DCOPObject" ) { // we need to include the .h file for the base stub
    00102                 if( all_includes.contains( DCOPParent + ".h" ))
    00103                     str << "#include <" << DCOPParent << "_stub.h>" << endl;
    00104                 else if( all_includes.contains( DCOPParent.lower() + ".h" ))
    00105                     str << "#include <" << DCOPParent.lower() << "_stub.h>" << endl;
    00106                 else {// damn ... let's assume it's the last include
    00107                     QString stub_h = all_includes.last();
    00108                     unsigned int pos = stub_h.find( ".h" );
    00109                     if( pos > 0 ) {
    00110                         stub_h = stub_h.remove( pos, 100000 );
    00111                         str << "#include <" << stub_h << "_stub.h>" << endl;
    00112                     }
    00113                     else
    00114                         str << "#include <" << stub_h << ">" << endl;
    00115                 }
    00116             }
    00117
    00118             QString classNameFull = className; // class name with possible namespaces prepended
    00119                                                // namespaces will be removed from className now
    00120             int namespace_count = 0;
    00121             QString namespace_tmp = className;
    00122             for(;;) {
    00123                 int pos = namespace_tmp.find( "::" );
    00124                 if( pos < 0 )
    00125                     {
    00126                     className = namespace_tmp;
    00127                     break;
    00128                     }
    00129                 str << "namespace " << namespace_tmp.left( pos ) << " {" << endl;
    00130                 ++namespace_count;
    00131                 namespace_tmp = namespace_tmp.mid( pos + 2 );
    00132             }
    00133
    00134             str << endl;
    00135
    00136             // Stub class definition
    00137             str << "class " << className;
    00138
    00139             // Parent : inherited interface stub or dcopstub
    00140             if ( !DCOPParent.isEmpty() && DCOPParent != "DCOPObject" ) {
    00141                str << " : ";
    00142                str << "virtual public " << DCOPParent << "_stub";
    00143             } else {
    00144                str << " : virtual public DCOPStub";
    00145             }
    00146
    00147             str << endl;
    00148             str << "{" << endl;
    00149             str << "public:" << endl;
    00150
    00151             // Constructors
    00152             str << "    " << className << "( const QCString& app, const QCString& id );" << endl;
    00153             str << "    " << className << "( DCOPClient* client, const QCString& app, const QCString& id );" << endl;
    00154
    00155             s = e.firstChild().toElement();
    00156             for( ; !s.isNull(); s = s.nextSibling().toElement() ) {
    00157                 if (s.tagName() == "FUNC") {
    00158                     QDomElement r = s.firstChild().toElement();
    00159                     Q_ASSERT( r.tagName() == "TYPE" );
    00160                     str << "    virtual "; // KDE4 - I really don't think these need to be virtual
    00161                     if ( r.hasAttribute( "qleft" ) )
    00162                         str << r.attribute("qleft") << " ";
    00163                     str << r.firstChild().toText().data();
    00164                     if ( r.hasAttribute( "qright" ) )
    00165                         str << r.attribute("qright") << " ";
    00166                     else
    00167                         str << " ";
    00168
    00169                     r = r.nextSibling().toElement();
    00170                     Q_ASSERT ( r.tagName() == "NAME" );
    00171                     str << r.firstChild().toText().data() << "(";
    00172
    00173                     bool first = TRUE;
    00174                     r = r.nextSibling().toElement();
    00175                     for( ; !r.isNull(); r = r.nextSibling().toElement() ) {
    00176                         if ( !first )
    00177                             str << ", ";
    00178                         else
    00179                             str << " ";
    00180                         first = FALSE;
    00181                         Q_ASSERT( r.tagName() == "ARG" );
    00182                         QDomElement a = r.firstChild().toElement();
    00183                         Q_ASSERT( a.tagName() == "TYPE" );
    00184                         if ( a.hasAttribute( "qleft" ) )
    00185                             str << a.attribute("qleft") << " ";
    00186                         str << a.firstChild().toText().data();
    00187                         if ( a.hasAttribute( "qright" ) )
    00188                             str << a.attribute("qright") << " ";
    00189                         else
    00190                             str << " ";
    00191                         a = a.nextSibling().toElement();
    00192                         if ( a.tagName() == "NAME" )
    00193                             str << a.firstChild().toText().data();
    00194                     }
    00195                     if ( !first )
    00196                         str << " ";
    00197                     str << ")";
    00198
    00199                     if ( s.hasAttribute("qual") )
    00200                         str << " " << s.attribute("qual");
    00201                     str << ";" << endl;
    00202                 }
    00203             }
    00204
    00205             // needed for inherited stubs
    00206             str << "protected:" << endl;
    00207             str << "    " << className << "() : DCOPStub( never_use ) {};" << endl;
    00208
    00209             str << "};" << endl;
    00210             str << endl;
    00211
    00212             for(;
    00213                  namespace_count > 0;
    00214                  --namespace_count )
    00215                 str << "} // namespace" << endl;
    00216             str << endl;
    00217
    00218         }
    00219     }
    00220
    00221     str << "#endif" << endl;
    00222     stub.close();
    00223 }
    00224

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 12:42:42 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001