dcop Library API Documentation

marshall.cpp

00001 /*****************************************************************
00002 Copyright (c) 2000 Matthias Ettrich <ettrich@kde.org>
00003 
00004 Permission is hereby granted, free of charge, to any person obtaining a copy
00005 of this software and associated documentation files (the "Software"), to deal
00006 in the Software without restriction, including without limitation the rights
00007 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008 copies of the Software, and to permit persons to whom the Software is
00009 furnished to do so, subject to the following conditions:
00010 
00011 The above copyright notice and this permission notice shall be included in
00012 all copies or substantial portions of the Software.
00013 
00014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
00017 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
00018 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
00019 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00020 
00021 ******************************************************************/
00022 
00023 #define KDE_QT_ONLY
00024 #include "../../kdecore/kurl.cpp"
00025 
00026 bool mkBool( const QString& s )
00027 {
00028     if ( s.lower()  == "true" )
00029     return TRUE;
00030     if ( s.lower()  == "yes" )
00031     return TRUE;
00032     if ( s.lower()  == "on" )
00033     return TRUE;
00034     if ( s.toInt() != 0 )
00035     return TRUE;
00036 
00037     return FALSE;
00038 }
00039 
00040 QPoint mkPoint( const QString &str )
00041 {
00042     const char *s = str.latin1();
00043     char *end;
00044     while(*s && !isdigit(*s)) s++;
00045     int x = strtol(s, &end, 10);
00046     s = (const char *)end;
00047     while(*s && !isdigit(*s)) s++;
00048     int y = strtol(s, &end, 10);
00049     return QPoint( x, y );
00050 }
00051 
00052 QSize mkSize( const QString &str )
00053 {
00054     const char *s = str.latin1();
00055     char *end;
00056     while(*s && !isdigit(*s)) s++;
00057     int w = strtol(s, &end, 10);
00058     s = (const char *)end;
00059     while(*s && !isdigit(*s)) s++;
00060     int h = strtol(s, &end, 10);
00061     return QSize( w, h );
00062 }
00063 
00064 QRect mkRect( const QString &str )
00065 {
00066     const char *s = str.latin1();
00067     char *end;
00068     while(*s && !isdigit(*s)) s++;
00069     int p1 = strtol(s, &end, 10);
00070     s = (const char *)end;
00071     bool legacy = (*s == 'x');
00072     while(*s && !isdigit(*s)) s++;
00073     int p2 = strtol(s, &end, 10);
00074     s = (const char *)end;
00075     while(*s && !isdigit(*s)) s++;
00076     int p3 = strtol(s, &end, 10);
00077     s = (const char *)end;
00078     while(*s && !isdigit(*s)) s++;
00079     int p4 = strtol(s, &end, 10);
00080     if (legacy)
00081     {
00082        return QRect( p3, p4, p1, p2 );
00083     }
00084     return QRect( p1, p2, p3, p4 );
00085 }
00086 
00087 QColor mkColor( const QString& s )
00088 {
00089     QColor c;
00090     c.setNamedColor(s);
00091     return c;
00092 }
00093 
00094 const char *qStringToC(const QCString &s)
00095 {
00096    if (s.isEmpty())
00097       return "";
00098    return s.data();
00099 }
00100 
00101 QCString demarshal( QDataStream &stream, const QString &type )
00102 {
00103     QCString result;
00104 
00105     if ( type == "int" )
00106     {
00107         int i;
00108         stream >> i;
00109         result.sprintf( "%d", i );
00110     } else if ( type == "uint" )
00111     {
00112         uint i;
00113         stream >> i;
00114         result.sprintf( "%d", i );
00115     } else if ( type == "long" )
00116     {
00117         long l;
00118         stream >> l;
00119         result.sprintf( "%ld", l );
00120     } else if ( type == "float" )
00121     {
00122         float f;
00123         stream >> f;
00124         result.sprintf( "%f", (double)f );
00125     } else if ( type == "double" )
00126     {
00127         double d;
00128         stream >> d;
00129         result.sprintf( "%f", d );
00130     } else if ( type == "bool" )
00131     {
00132         bool b;
00133         stream >> b;
00134         result = b ? "true" : "false";
00135     } else if ( type == "QString" )
00136     {
00137         QString s;
00138         stream >> s;
00139         result = s.local8Bit();
00140     } else if ( type == "QCString" )
00141     {
00142         stream >> result;
00143     } else if ( type == "QCStringList" )
00144     {
00145         return demarshal( stream, "QValueList<QCString>" );
00146     } else if ( type == "QStringList" )
00147     {
00148         return demarshal( stream, "QValueList<QString>" );
00149     } else if ( type == "QColor" )
00150     {
00151         QColor c;
00152         stream >> c;
00153         result = c.name().local8Bit();
00154     } else if ( type == "QSize" )
00155     {
00156         QSize s;
00157         stream >> s;
00158         result.sprintf( "%dx%d", s.width(), s.height() );
00159     } else if ( type == "QPoint" )
00160     {
00161         QPoint p;
00162         stream >> p;
00163         result.sprintf( "+%d+%d", p.x(), p.y() );
00164     } else if ( type == "QRect" )
00165     {
00166         QRect r;
00167         stream >> r;
00168         result.sprintf( "%dx%d+%d+%d", r.width(), r.height(), r.x(), r.y() );
00169     } else if ( type == "QVariant" )
00170     {
00171         Q_INT32 type;
00172         stream >> type;
00173         return demarshal( stream, QVariant::typeToName( (QVariant::Type)type ) );
00174     } else if ( type == "DCOPRef" )
00175     {
00176         DCOPRef r;
00177         stream >> r;
00178         result.sprintf( "DCOPRef(%s,%s)", qStringToC(r.app()), qStringToC(r.object()) );
00179     } else if ( type == "KURL" )
00180     {
00181         KURL r;
00182         stream >> r;
00183         result = r.url().local8Bit();
00184     } else if ( type.left( 11 ) == "QValueList<" )
00185     {
00186         if ( (uint)type.find( '>', 11 ) != type.length() - 1 )
00187             return result;
00188 
00189         QString nestedType = type.mid( 11, type.length() - 12 );
00190 
00191         if ( nestedType.isEmpty() )
00192             return result;
00193 
00194         Q_UINT32 count;
00195         stream >> count;
00196 
00197         Q_UINT32 i = 0;
00198         for (; i < count; ++i )
00199         {
00200             QCString arg = demarshal( stream, nestedType );
00201             if ( arg.isEmpty() )
00202                 continue;
00203 
00204             result += arg;
00205 
00206             if ( i < count - 1 )
00207                 result += '\n';
00208         }
00209     } else if ( type.left( 5 ) == "QMap<" )
00210     {
00211         int commaPos = type.find( ',', 5 );
00212 
00213         if ( commaPos == -1 )
00214             return result;
00215 
00216         if ( (uint)type.find( '>', commaPos ) != type.length() - 1 )
00217             return result;
00218 
00219         QString keyType = type.mid( 5, commaPos - 5 );
00220         QString valueType = type.mid( commaPos + 1, type.length() - commaPos - 2 );
00221 
00222         Q_UINT32 count;
00223         stream >> count;
00224 
00225         Q_UINT32 i = 0;
00226         for (; i < count; ++i )
00227         {
00228             QCString key = demarshal( stream, keyType );
00229 
00230             if ( key.isEmpty() )
00231                 continue;
00232 
00233             QCString value = demarshal( stream, valueType );
00234 
00235             if ( value.isEmpty() )
00236                 continue;
00237 
00238             result += key + "->" + value;
00239 
00240             if ( i < count - 1 )
00241                 result += '\n';
00242         }
00243     }
00244     else
00245     {
00246        result.sprintf( "<%s>", type.latin1());
00247     }
00248 
00249     return result;
00250 
00251 }
00252 
00253 void marshall( QDataStream &arg, QCStringList args, uint &i, QString type )
00254 {
00255     if (type == "QStringList")
00256        type = "QValueList<QString>";
00257     if (type == "QCStringList")
00258        type = "QValueList<QCString>";
00259     if( i >= args.count() )
00260     {
00261     qWarning("Not enough arguments.");
00262     exit(1);
00263     }
00264     QString s = QString::fromLocal8Bit( args[ i ] );
00265 
00266     if ( type == "int" )
00267     arg << s.toInt();
00268     else if ( type == "uint" )
00269     arg << s.toUInt();
00270     else if ( type == "unsigned" )
00271     arg << s.toUInt();
00272     else if ( type == "unsigned int" )
00273     arg << s.toUInt();
00274     else if ( type == "long" )
00275     arg << s.toLong();
00276     else if ( type == "long int" )
00277     arg << s.toLong();
00278     else if ( type == "unsigned long" )
00279     arg << s.toULong();
00280     else if ( type == "unsigned long int" )
00281     arg << s.toULong();
00282     else if ( type == "float" )
00283     arg << s.toFloat();
00284     else if ( type == "double" )
00285     arg << s.toDouble();
00286     else if ( type == "bool" )
00287     arg << mkBool( s );
00288     else if ( type == "QString" )
00289     arg << s;
00290     else if ( type == "QCString" )
00291     arg << QCString( args[ i ] );
00292     else if ( type == "QColor" )
00293     arg << mkColor( s );
00294     else if ( type == "QPoint" )
00295     arg << mkPoint( s );
00296     else if ( type == "QSize" )
00297     arg << mkSize( s );
00298     else if ( type == "QRect" )
00299     arg << mkRect( s );
00300     else if ( type == "KURL" )
00301     arg << KURL( s );
00302     else if ( type == "QVariant" ) {
00303     if ( s == "true" || s == "false" )
00304         arg << QVariant( mkBool( s ), 42 );
00305     else if ( s.left( 4 ) == "int(" )
00306         arg << QVariant( s.mid(4, s.length()-5).toInt() );
00307     else if ( s.left( 7 ) == "QPoint(" )
00308         arg << QVariant( mkPoint( s.mid(7, s.length()-8) ) );
00309     else if ( s.left( 6 ) == "QSize(" )
00310         arg << QVariant( mkSize( s.mid(6, s.length()-7) ) );
00311     else if ( s.left( 6 ) == "QRect(" )
00312         arg << QVariant( mkRect( s.mid(6, s.length()-7) ) );
00313     else if ( s.left( 7 ) == "QColor(" )
00314         arg << QVariant( mkColor( s.mid(7, s.length()-8) ) );
00315     else
00316         arg << QVariant( s );
00317     } else if ( type.startsWith("QValueList<")) {
00318     type = type.mid(11, type.length() - 12);
00319     QStringList list;
00320     QString delim = s;
00321     if (delim == "[")
00322        delim = "]";
00323     if (delim == "(")
00324        delim = ")";
00325     i++;
00326     QByteArray dummy_data;
00327     QDataStream dummy_arg(dummy_data, IO_WriteOnly);
00328 
00329     uint j = i;
00330     uint count = 0;
00331     // Parse list to get the count
00332     while (true) {
00333         if( j > args.count() )
00334         {
00335         qWarning("List end-delimiter '%s' not found.", delim.latin1());
00336         exit(1);
00337         }
00338         if( QString::fromLocal8Bit( args[ j ] ) == delim )
00339         break;
00340         marshall( dummy_arg, args, j, type );
00341         count++;
00342     }
00343     arg << (Q_UINT32) count;
00344     // Parse the list for real
00345     while (true) {
00346         if( i > args.count() )
00347         {
00348         qWarning("List end-delimiter '%s' not found.", delim.latin1());
00349         exit(1);
00350         }
00351         if( QString::fromLocal8Bit( args[ i ] ) == delim )
00352         break;
00353         marshall( arg, args, i, type );
00354     }
00355     } else {
00356     qWarning( "cannot handle datatype '%s'", type.latin1() );
00357     exit(1);
00358     }
00359     i++;
00360 }
00361 
00362 // vim: set noet ts=8 sts=4 sw=4:
00363 
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