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465 lines
14 KiB
465 lines
14 KiB
/**************************************************************************
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* Copyright (C) 2003 - 2004 by Frerich Raabe <raabe@kde.org> *
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* Tobias Koenig <tokoe@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include <tqfile.h>
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#include <kdebug.h>
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#include <kio/job.h>
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#include <klocale.h>
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#include <kmdcodec.h>
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#include "debugdialog.h"
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#include "xmlrpciface.h"
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using namespace KXMLRPC;
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namespace KXMLRPC
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{
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class Result
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{
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friend class Query;
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public:
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Result()
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{ }
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bool success() const
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{
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return m_success;
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}
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int errorCode() const
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{
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return m_errorCode;
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}
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TQString errorString() const
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{
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return m_errorString;
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}
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TQValueList<TQVariant> data() const
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{
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return m_data;
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}
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private:
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bool m_success;
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int m_errorCode;
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TQString m_errorString;
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TQValueList<TQVariant> m_data;
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};
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}
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Query *Query::create( const TQVariant &id, TQObject *parent, const char *name )
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{
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return new Query( id, parent, name );
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}
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void Query::call( const TQString &server, const TQString &method,
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const TQValueList<TQVariant> &args, const TQString &userAgent )
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{
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const TQString xmlMarkup = markupCall( method, args );
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DebugDialog::addMessage( xmlMarkup, DebugDialog::Output );
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TQByteArray postData;
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TQDataStream stream( postData, IO_WriteOnly );
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stream.writeRawBytes( xmlMarkup.utf8(), xmlMarkup.utf8().length() );
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TDEIO::TransferJob *job = TDEIO::http_post( KURL( server ), postData, false );
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if ( !job ) {
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kdWarning() << "Unable to create KIO job for " << server << endl;
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return;
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}
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job->addMetaData( "UserAgent", userAgent );
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job->addMetaData( "content-type", "Content-Type: text/xml; charset=utf-8" );
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job->addMetaData( "ConnectTimeout", "50" );
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connect( job, TQT_SIGNAL( data( TDEIO::Job *, const TQByteArray & ) ),
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this, TQT_SLOT( slotData( TDEIO::Job *, const TQByteArray & ) ) );
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connect( job, TQT_SIGNAL( result( TDEIO::Job * ) ),
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this, TQT_SLOT( slotResult( TDEIO::Job * ) ) );
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m_pendingJobs.append( job );
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}
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void Query::slotData( TDEIO::Job *, const TQByteArray &data )
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{
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unsigned int oldSize = m_buffer.size();
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m_buffer.resize( oldSize + data.size() );
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memcpy( m_buffer.data() + oldSize, data.data(), data.size() );
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}
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void Query::slotResult( TDEIO::Job *job )
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{
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m_pendingJobs.remove( job );
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if ( job->error() != 0 )
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{
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emit fault( job->error(), job->errorString(), m_id );
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emit finished( this );
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return ;
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}
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TQString data = TQString::fromUtf8( m_buffer.data(), m_buffer.size() );
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DebugDialog::addMessage( data, DebugDialog::Input );
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TQDomDocument doc;
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TQString errMsg;
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int errLine, errCol;
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if ( !doc.setContent( data, false, &errMsg, &errLine, &errCol ) )
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{
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emit fault( -1, i18n( "Received invalid XML markup: %1 at %2:%3" )
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.arg( errMsg ).arg( errLine ).arg( errCol ), m_id );
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emit finished( this );
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return ;
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}
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m_buffer.truncate( 0 );
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if ( isMessageResponse( doc ) )
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emit message( parseMessageResponse( doc ).data(), m_id );
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else if ( isFaultResponse( doc ) )
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{
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emit fault( parseFaultResponse( doc ).errorCode(), parseFaultResponse( doc ).errorString(), m_id );
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}
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else
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{
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emit fault( 1, i18n( "Unknown type of XML markup received" ), m_id );
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}
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emit finished( this );
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}
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bool Query::isMessageResponse( const TQDomDocument &doc ) const
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{
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return doc.documentElement().firstChild().toElement().tagName().lower() == "params";
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}
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Result Query::parseMessageResponse( const TQDomDocument &doc ) const
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{
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Result response;
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response.m_success = true;
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TQDomNode paramNode = doc.documentElement().firstChild().firstChild();
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while ( !paramNode.isNull() )
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{
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response.m_data << demarshal( paramNode.firstChild().toElement() );
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paramNode = paramNode.nextSibling();
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}
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return response;
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}
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bool Query::isFaultResponse( const TQDomDocument &doc ) const
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{
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return doc.documentElement().firstChild().toElement().tagName().lower() == "fault";
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}
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Result Query::parseFaultResponse( const TQDomDocument &doc ) const
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{
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Result response;
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response.m_success = false;
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TQDomNode errorNode = doc.documentElement().firstChild().firstChild();
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const TQVariant errorVariant = demarshal( errorNode.toElement() );
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response.m_errorCode = errorVariant.toMap() [ "faultCode" ].toInt();
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response.m_errorString = errorVariant.toMap() [ "faultString" ].toString();
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return response;
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}
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TQString Query::markupCall( const TQString &cmd,
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const TQValueList<TQVariant> &args ) const
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{
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TQString markup = "<?xml version=\"1.0\" ?>\r\n<methodCall>\r\n";
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markup += "<methodName>" + cmd + "</methodName>\r\n";
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if ( !args.isEmpty() )
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{
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markup += "<params>\r\n";
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TQValueList<TQVariant>::ConstIterator it = args.begin();
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TQValueList<TQVariant>::ConstIterator end = args.end();
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for ( ; it != end; ++it )
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markup += "<param>\r\n" + marshal( *it ) + "</param>\r\n";
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markup += "</params>\r\n";
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}
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markup += "</methodCall>\r\n";
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return markup;
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}
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TQString Query::marshal( const TQVariant &arg ) const
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{
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switch ( arg.type() )
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{
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case TQVariant::String:
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case TQVariant::CString:
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{
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TQString result = arg.toString();
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result = result.replace( "&", "&" );
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result = result.replace( "\"", """ );
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result = result.replace( "<", "<" );
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result = result.replace( ">", ">" );
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return "<value><string>" + result + "</string></value>\r\n";
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}
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case TQVariant::Int:
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return "<value><int>" + TQString::number( arg.toInt() ) + "</int></value>\r\n";
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case TQVariant::Double:
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return "<value><double>" + TQString::number( arg.toDouble() ) + "</double></value>\r\n";
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case TQVariant::Bool:
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{
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TQString markup = "<value><boolean>";
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markup += arg.toBool() ? "1" : "0";
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markup += "</boolean></value>\r\n";
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return markup;
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}
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case TQVariant::ByteArray:
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return "<value><base64>" + KCodecs::base64Encode( arg.toByteArray() ) + "</base64></value>\r\n";
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case TQVariant::DateTime:
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return "<value><datetime.iso8601>" + arg.toDateTime().toString( Qt::ISODate ) + "</datetime.iso8601></value>\r\n";
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case TQVariant::List:
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{
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TQString markup = "<value><array><data>\r\n";
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const TQValueList<TQVariant> args = arg.toList();
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TQValueList<TQVariant>::ConstIterator it = args.begin();
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TQValueList<TQVariant>::ConstIterator end = args.end();
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for ( ; it != end; ++it )
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markup += marshal( *it );
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markup += "</data></array></value>\r\n";
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return markup;
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}
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case TQVariant::Map:
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{
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TQString markup = "<value><struct>\r\n";
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TQMap<TQString, TQVariant> map = arg.toMap();
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TQMap<TQString, TQVariant>::ConstIterator it = map.begin();
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TQMap<TQString, TQVariant>::ConstIterator end = map.end();
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for ( ; it != end; ++it )
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{
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markup += "<member>\r\n";
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markup += "<name>" + it.key() + "</name>\r\n";
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markup += marshal( it.data() );
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markup += "</member>\r\n";
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}
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markup += "</struct></value>\r\n";
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return markup;
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}
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default:
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kdWarning() << "Failed to marshal unknown variant type: " << arg.type() << endl;
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};
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return TQString();
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}
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TQVariant Query::demarshal( const TQDomElement &elem ) const
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{
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Q_ASSERT( elem.tagName().lower() == "value" );
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const TQDomElement typeElement = elem.firstChild().toElement();
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const TQString typeName = typeElement.tagName().lower();
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if ( typeName == "string" )
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return TQVariant( typeElement.text() );
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else if ( typeName == "i4" || typeName == "int" )
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return TQVariant( typeElement.text().toInt() );
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else if ( typeName == "double" )
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return TQVariant( typeElement.text().toDouble() );
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else if ( typeName == "boolean" )
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{
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if ( typeElement.text().lower() == "true" || typeElement.text() == "1" )
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return TQVariant( true );
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else
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return TQVariant( false );
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}
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else if ( typeName == "base64" )
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return TQVariant( KCodecs::base64Decode( TQCString(typeElement.text().latin1()) ) );
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else if ( typeName == "datetime" || typeName == "datetime.iso8601" )
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return TQVariant( TQDateTime::fromString( typeElement.text(), Qt::ISODate ) );
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else if ( typeName == "array" )
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{
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TQValueList<TQVariant> values;
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TQDomNode valueNode = typeElement.firstChild().firstChild();
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while ( !valueNode.isNull() )
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{
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values << demarshal( valueNode.toElement() );
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valueNode = valueNode.nextSibling();
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}
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return TQVariant( values );
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}
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else if ( typeName == "struct" )
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{
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TQMap<TQString, TQVariant> map;
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TQDomNode memberNode = typeElement.firstChild();
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while ( !memberNode.isNull() )
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{
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const TQString key = memberNode.toElement().elementsByTagName( "name" ).item( 0 ).toElement().text();
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const TQVariant data = demarshal( memberNode.toElement().elementsByTagName( "value" ).item( 0 ).toElement() );
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map[ key ] = data;
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memberNode = memberNode.nextSibling();
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}
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return TQVariant( map );
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}
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else
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kdWarning() << "Cannot demarshal unknown type " << typeName << endl;
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return TQVariant();
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}
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Query::Query( const TQVariant &id, TQObject *parent, const char *name )
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: TQObject( parent, name ), m_id( id )
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{}
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Query::~Query()
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{
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TQValueList<TDEIO::Job*>::Iterator it;
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for ( it = m_pendingJobs.begin(); it != m_pendingJobs.end(); ++it )
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(*it)->kill();
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}
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Server::Server( const KURL &url, TQObject *parent, const char *name )
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: TQObject( parent, name )
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{
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if ( url.isValid() )
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m_url = url;
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m_userAgent = "KDE XMLRPC resources";
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DebugDialog::init();
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}
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Server::~Server()
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{
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TQValueList<Query*>::Iterator it;
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for ( it = mPendingQueries.begin(); it !=mPendingQueries.end(); ++it )
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(*it)->deleteLater();
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mPendingQueries.clear();
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}
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void Server::queryFinished( Query *query )
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{
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mPendingQueries.remove( query );
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query->deleteLater();
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}
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void Server::setUrl( const KURL &url )
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{
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m_url = url.isValid() ? url : KURL();
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}
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void Server::call( const TQString &method, const TQValueList<TQVariant> &args,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot, const TQVariant &id )
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{
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if ( m_url.isEmpty() )
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kdWarning() << "Cannot execute call to " << method << ": empty server URL" << endl;
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Query *query = Query::create( id, this );
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connect( query, TQT_SIGNAL( message( const TQValueList<TQVariant> &, const TQVariant& ) ), msgObj, messageSlot );
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connect( query, TQT_SIGNAL( fault( int, const TQString&, const TQVariant& ) ), faultObj, faultSlot );
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connect( query, TQT_SIGNAL( finished( Query* ) ), this, TQT_SLOT( queryFinished( Query* ) ) );
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mPendingQueries.append( query );
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query->call( m_url.url(), method, args, m_userAgent );
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}
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void Server::call( const TQString &method, const TQVariant &arg,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << arg ;
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, int arg,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, bool arg,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, double arg ,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, const TQString &arg ,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, const TQCString &arg,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, const TQByteArray &arg ,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, faultObj, faultSlot, msgObj, messageSlot, id );
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}
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void Server::call( const TQString &method, const TQDateTime &arg,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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args << TQVariant( arg );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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void Server::call( const TQString &method, const TQStringList &arg,
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TQObject* msgObj, const char* messageSlot,
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TQObject* faultObj, const char* faultSlot,
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const TQVariant &id )
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{
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TQValueList<TQVariant> args;
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TQStringList::ConstIterator it = arg.begin();
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TQStringList::ConstIterator end = arg.end();
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for ( ; it != end; ++it )
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args << TQVariant( *it );
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call( method, args, msgObj, messageSlot, faultObj, faultSlot, id );
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}
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#include "xmlrpciface.moc"
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