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446 lines
15 KiB
446 lines
15 KiB
/*****************************************************************
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Copyright (c) 1999 Torben Weis <weis@kde.org>
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Copyright (c) 2000 Matthias Ettrich <ettrich@kde.org>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************/
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#include <tqdom.h>
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#include <tqfile.h>
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#include <tqtextstream.h>
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#include <tqstring.h>
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#include <tqstringlist.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "main.h"
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#include "type.h"
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static int const primes[] =
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{
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2, 3, 5, 7, 11, 13, 17, 19, 23, 29,
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31, 37, 41, 43, 47, 53, 59, 61, 67, 71,
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73, 79, 83, 89, 97, 101, 103, 107, 109, 113,
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127, 131, 137, 139, 149, 151, 157, 163, 167, 173,
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179, 181, 191, 193, 197, 199, 211, 223, 227, 229,
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233, 239, 241, 251, 257, 263, 269, 271, 277, 281,
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283, 293, 307, 311, 313, 317, 331, 337, 347, 349,
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353, 359, 367, 373, 379, 383, 389, 397, 401, 409,
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419, 421, 431, 433, 439, 443, 449, 457, 461, 463,
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467, 479, 487, 491, 499, 503, 509, 521, 523, 541,
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547, 557, 563, 569, 571, 577, 587, 593, 599, 601,0
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};
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struct Function
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{
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Function(){}
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Function( const TQString& t, const TQString& n, const TQString&fn, bool h )
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: type( t ), name( n ), fullName( fn ), hidden( h ) {}
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TQString type;
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TQString name;
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TQString fullName;
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bool hidden;
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};
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/*
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* Writes the skeleton
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*/
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void generateSkel( const TQString& idl, const TQString& filename, TQDomElement de )
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{
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TQFile skel( filename );
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if ( !skel.open( IO_WriteOnly ) )
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qFatal("Could not write to %s", filename.local8Bit().data() );
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TQTextStream str( &skel );
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str << "/****************************************************************************" << endl;
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str << "**" << endl;
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str << "** DCOP Skeleton generated by dcopidl2cpp from " << idl << endl;
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str << "**" << endl;
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str << "** WARNING! All changes made in this file will be lost!" << endl;
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str << "**" << endl;
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str << "*****************************************************************************/" << endl;
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str << endl;
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TQDomElement e = de.firstChild().toElement();
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if ( e.tagName() == "SOURCE" ) {
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str << "#include \"" << e.firstChild().toText().data() << "\"" << endl << endl;
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}
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for( ; !e.isNull(); e = e.nextSibling().toElement() ) {
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if ( e.tagName() != "CLASS" )
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continue;
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TQDomElement n = e.firstChild().toElement();
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Q_ASSERT( n.tagName() == "NAME" );
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TQString className = n.firstChild().toText().data();
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// find dcop parent ( rightmost super class )
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TQString DCOPParent;
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TQDomElement s = n.nextSibling().toElement();
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for( ; !s.isNull(); s = s.nextSibling().toElement() ) {
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if ( s.tagName() == "SUPER" )
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DCOPParent = s.firstChild().toText().data();
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}
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// get function table
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TQValueList<Function> functions;
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s = n.nextSibling().toElement();
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for( ; !s.isNull(); s = s.nextSibling().toElement() ) {
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if ( s.tagName() != "FUNC" )
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continue;
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TQDomElement r = s.firstChild().toElement();
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Q_ASSERT( r.tagName() == "TYPE" );
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TQString funcType = r.firstChild().toText().data();
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r = r.nextSibling().toElement();
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Q_ASSERT ( r.tagName() == "NAME" );
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TQString funcName = r.firstChild().toText().data();
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TQStringList argtypes;
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TQStringList argnames;
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r = r.nextSibling().toElement();
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for( ; !r.isNull(); r = r.nextSibling().toElement() ) {
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Q_ASSERT( r.tagName() == "ARG" );
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TQDomElement a = r.firstChild().toElement();
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Q_ASSERT( a.tagName() == "TYPE" );
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argtypes.append( a.firstChild().toText().data() );
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a = a.nextSibling().toElement();
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if ( !a.isNull() ) {
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Q_ASSERT( a.tagName() == "NAME" );
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argnames.append( a.firstChild().toText().data() );
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} else {
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argnames.append( TQString::null );
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}
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}
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funcName += '(';
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TQString fullFuncName = funcName;
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bool first = true;
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TQStringList::Iterator ittype = argtypes.begin();
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TQStringList::Iterator itname = argnames.begin();
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while ( ittype != argtypes.end() && itname != argnames.end() ) {
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if ( !first ) {
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funcName += ',';
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fullFuncName += ',';
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}
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first = false;
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funcName += *ittype;
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fullFuncName += *ittype;
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if ( ! (*itname).isEmpty() ) {
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fullFuncName += ' ';
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fullFuncName += *itname;
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}
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++ittype;
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++itname;
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}
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funcName += ')';
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fullFuncName += ')';
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bool hidden = (s.attribute("hidden") == "yes");
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functions.append( Function( funcType, funcName, fullFuncName, hidden ) );
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}
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// create static tables
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int fhash = functions.count() + 1;
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for ( int i = 0; primes[i]; i++ ) {
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if ( primes[i] > static_cast<int>(functions.count()) ) {
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fhash = primes[i];
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break;
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}
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}
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str << "#include <kdatastream.h>" << endl;
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bool useHashing = functions.count() > 7;
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if ( useHashing ) {
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str << "#include <tqasciidict.h>" << endl;
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}
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TQString classNameFull = className; // class name with possible namespaces prepended
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// namespaces will be removed from className now
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int namespace_count = 0;
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TQString namespace_tmp = className;
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str << endl;
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for(;;) {
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int pos = namespace_tmp.find( "::" );
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if( pos < 0 ) {
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className = namespace_tmp;
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break;
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}
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str << "namespace " << namespace_tmp.left( pos ) << " {" << endl;
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++namespace_count;
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namespace_tmp = namespace_tmp.mid( pos + 2 );
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}
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str << endl;
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if ( useHashing ) {
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str << "static const int " << className << "_fhash = " << fhash << ";" << endl;
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}
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str << "static const char* const " << className << "_ftable[" << functions.count() + 1 << "][3] = {" << endl;
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for( TQValueList<Function>::Iterator it = functions.begin(); it != functions.end(); ++it ){
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str << " { \"" << (*it).type << "\", \"" << (*it).name << "\", \"" << (*it).fullName << "\" }," << endl;
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}
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str << " { 0, 0, 0 }" << endl;
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str << "};" << endl;
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if (functions.count() > 0) {
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str << "static const int " << className << "_ftable_hiddens[" << functions.count() << "] = {" << endl;
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for( TQValueList<Function>::Iterator it = functions.begin(); it != functions.end(); ++it ){
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str << " " << !!(*it).hidden << "," << endl;
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}
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str << "};" << endl;
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}
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str << endl;
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// Write dispatcher
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str << "bool " << className;
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str << "::process(const TQCString &fun, const TQByteArray &data, TQCString& replyType, TQByteArray &replyData)" << endl;
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str << "{" << endl;
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if ( useHashing ) {
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str << " static TQAsciiDict<int>* fdict = 0;" << endl;
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str << " if ( !fdict ) {" << endl;
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str << "\tfdict = new TQAsciiDict<int>( " << className << "_fhash, true, false );" << endl;
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str << "\tfor ( int i = 0; " << className << "_ftable[i][1]; i++ )" << endl;
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str << "\t fdict->insert( " << className << "_ftable[i][1], new int( i ) );" << endl;
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str << " }" << endl;
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str << " int* fp = fdict->find( fun );" << endl;
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str << " switch ( fp?*fp:-1) {" << endl;
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}
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s = n.nextSibling().toElement();
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int fcount = 0; // counter of written functions
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bool firstFunc = true;
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for( ; !s.isNull(); s = s.nextSibling().toElement() ) {
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if ( s.tagName() != "FUNC" )
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continue;
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TQDomElement r = s.firstChild().toElement();
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Q_ASSERT( r.tagName() == "TYPE" );
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TQString funcType = r.firstChild().toText().data();
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if ( funcType == "ASYNC" )
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funcType = "void";
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r = r.nextSibling().toElement();
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Q_ASSERT ( r.tagName() == "NAME" );
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TQString funcName = r.firstChild().toText().data();
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TQStringList args;
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TQStringList argtypes;
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r = r.nextSibling().toElement();
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for( ; !r.isNull(); r = r.nextSibling().toElement() ) {
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Q_ASSERT( r.tagName() == "ARG" );
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TQDomElement a = r.firstChild().toElement();
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Q_ASSERT( a.tagName() == "TYPE" );
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argtypes.append( a.firstChild().toText().data() );
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args.append( TQString("arg" ) + TQString::number( args.count() ) );
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}
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TQString plainFuncName = funcName;
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funcName += '(';
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bool first = true;
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for( TQStringList::Iterator argtypes_count = argtypes.begin(); argtypes_count != argtypes.end(); ++argtypes_count ){
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if ( !first )
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funcName += ',';
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first = false;
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funcName += *argtypes_count;
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}
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funcName += ')';
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if ( useHashing ) {
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str << " case " << fcount << ": { // " << funcType << " " << funcName << endl;
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} else {
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if ( firstFunc )
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str << " if ( fun == " << className << "_ftable[" << fcount << "][1] ) { // " << funcType << " " << funcName << endl;
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else
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str << " else if ( fun == " << className << "_ftable[" << fcount << "][1] ) { // " << funcType << " " << funcName << endl;
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firstFunc = false;
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}
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if ( !args.isEmpty() ) {
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TQStringList::Iterator ittypes = argtypes.begin();
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TQStringList::Iterator args_count;
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for( args_count = args.begin(); args_count != args.end(); ++args_count ){
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str << '\t'<< *ittypes << " " << *args_count << ";" << endl;
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++ittypes;
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}
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str << "\tQDataStream arg( data, IO_ReadOnly );" << endl;
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for( args_count = args.begin(); args_count != args.end(); ++args_count ){
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str << "\tif (arg.atEnd()) return false;" << endl; // Basic error checking
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str << "\targ >> " << *args_count << ";" << endl;
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}
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}
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str << "\treplyType = " << className << "_ftable[" << fcount++ << "][0]; " << endl;
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if ( funcType == "void" ) {
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str << '\t' << plainFuncName << '(';
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} else {
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str << "\tQDataStream _replyStream( replyData, IO_WriteOnly );" << endl;
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str << "\t_replyStream << " << plainFuncName << '(';
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}
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first = true;
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for ( TQStringList::Iterator args_count = args.begin(); args_count != args.end(); ++args_count ){
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if ( !first )
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str << ", ";
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first = false;
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str << *args_count;
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}
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str << " );" << endl;
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if (useHashing ) {
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str << " } break;" << endl;
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} else {
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str << " }";
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}
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}
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// only open an 'else' clause if there were one or more functions
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if ( fcount > 0 ) {
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if ( useHashing ) {
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str << " default: " << endl;
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} else {
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str << " else {" << endl;
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}
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}
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// if no DCOP function was called, delegate the request to the parent
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if (!DCOPParent.isEmpty()) {
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str << "\treturn " << DCOPParent << "::process( fun, data, replyType, replyData );" << endl;
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} else {
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str << "\treturn false;" << endl;
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}
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// only close the 'else' clause and add the default 'return true'
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// (signifying a DCOP method was found and called) if there were
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// one or more functions.
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if ( fcount > 0 ) {
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str << " }" << endl;
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str << " return true;" << endl;
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}
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// close the 'process' function
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str << "}" << endl << endl;
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str << "QCStringList " << className;
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str << "::interfaces()" << endl;
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str << "{" << endl;
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if (!DCOPParent.isEmpty()) {
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str << " QCStringList ifaces = " << DCOPParent << "::interfaces();" << endl;
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} else {
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str << " QCStringList ifaces;" << endl;
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}
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str << " ifaces += \"" << classNameFull << "\";" << endl;
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str << " return ifaces;" << endl;
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str << "}" << endl << endl;
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str << "QCStringList " << className;
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str << "::functions()" << endl;
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str << "{" << endl;
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if (!DCOPParent.isEmpty()) {
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str << " QCStringList funcs = " << DCOPParent << "::functions();" << endl;
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} else {
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str << " QCStringList funcs;" << endl;
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}
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str << " for ( int i = 0; " << className << "_ftable[i][2]; i++ ) {" << endl;
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if (functions.count() > 0) {
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str << "\tif (" << className << "_ftable_hiddens[i])" << endl;
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str << "\t continue;" << endl;
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}
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str << "\tQCString func = " << className << "_ftable[i][0];" << endl;
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str << "\tfunc += ' ';" << endl;
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str << "\tfunc += " << className << "_ftable[i][2];" << endl;
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str << "\tfuncs << func;" << endl;
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str << " }" << endl;
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str << " return funcs;" << endl;
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str << "}" << endl << endl;
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// Add signal stubs
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for(s = e.firstChild().toElement(); !s.isNull(); s = s.nextSibling().toElement() ) {
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if (s.tagName() != "SIGNAL")
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continue;
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TQDomElement r = s.firstChild().toElement();
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TQString result = writeType( str, r );
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r = r.nextSibling().toElement();
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Q_ASSERT ( r.tagName() == "NAME" );
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TQString funcName = r.firstChild().toText().data();
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str << className << "::" << funcName << "(";
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TQStringList args;
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TQStringList argtypes;
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bool first = true;
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r = r.nextSibling().toElement();
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for( ; !r.isNull(); r = r.nextSibling().toElement() ) {
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if ( !first )
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str << ", ";
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else
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str << " ";
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first = false;
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Q_ASSERT( r.tagName() == "ARG" );
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TQDomElement a = r.firstChild().toElement();
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TQString type = writeType( str, a );
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argtypes.append( type );
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args.append( TQString("arg" ) + TQString::number( args.count() ) ) ;
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str << args.last();
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}
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if ( !first )
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str << " ";
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str << ")";
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if ( s.hasAttribute("qual") )
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str << " " << s.attribute("qual");
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str << endl;
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str << "{" << endl ;
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funcName += "(";
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first = true;
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for( TQStringList::Iterator it = argtypes.begin(); it != argtypes.end(); ++it ){
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if ( !first )
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funcName += ",";
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first = false;
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funcName += *it;
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}
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funcName += ")";
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if ( result != "void" )
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qFatal("Error in DCOP signal %s::%s: DCOP signals can not return values.", className.latin1(), funcName.latin1());
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str << " TQByteArray data;" << endl;
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if ( !args.isEmpty() ) {
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str << " TQDataStream arg( data, IO_WriteOnly );" << endl;
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for( TQStringList::Iterator args_count = args.begin(); args_count != args.end(); ++args_count ){
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str << " arg << " << *args_count << ";" << endl;
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}
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}
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str << " emitDCOPSignal( \"" << funcName << "\", data );" << endl;
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str << "}" << endl << endl;
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}
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for(; namespace_count > 0; --namespace_count )
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str << "} // namespace" << endl;
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str << endl;
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}
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skel.close();
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}
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// :set expandtab!<RETURN>:set ts=8<RETURN>:set sts=4<RETURN>:set sw=4<RETURN>
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