fpicker/source/unx/kde/kdecommandthread.cxx

   1 /*************************************************************************
   2  *
   3  *
   4  *
   5  *
   6  *
   7  *
   8  *
   9  *  The Contents of this file are made available subject to the terms of
  10  *  either of the following licenses
  11  *
  12  *         - GNU Lesser General Public License Version 2.1
  13  *         - Sun Industry Standards Source License Version 1.1
  14  *
  15  *  Sun Microsystems Inc., October, 2000
  16  *
  17  *  GNU Lesser General Public License Version 2.1
  18  *  =============================================
  19  *  Copyright 2000 by Sun Microsystems, Inc.
  20  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  21  *
  22  *  This library is free software; you can redistribute it and/or
  23  *  modify it under the terms of the GNU Lesser General Public
  24  *  License version 2.1, as published by the Free Software Foundation.
  25  *
  26  *  This library is distributed in the hope that it will be useful,
  27  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  28  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  29  *  Lesser General Public License for more details.
  30  *
  31  *  You should have received a copy of the GNU Lesser General Public
  32  *  License along with this library; if not, write to the Free Software
  33  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  34  *  MA  02111-1307  USA
  35  *
  36  *
  37  *  Sun Industry Standards Source License Version 1.1
  38  *  =================================================
  39  *  The contents of this file are subject to the Sun Industry Standards
  40  *  Source License Version 1.1 (the "License"); You may not use this file
  41  *  except in compliance with the License. You may obtain a copy of the
  42  *  License at http://www.openoffice.org/license.html.
  43  *
  44  *  Software provided under this License is provided on an "AS IS" basis,
  45  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  46  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  47  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  48  *  See the License for the specific provisions governing your rights and
  49  *  obligations concerning the Software.
  50  *
  51  *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
  52  *
  53  *  Copyright: 2000 by Sun Microsystems, Inc.
  54  *
  55  *  All Rights Reserved.
  56  *
  57  *  Contributor(s): Jan Holesovsky <kendy@openoffice.org>
  58  *
  59  *
  60  ************************************************************************/
  61
  62 #include <kdecommandthread.hxx>
  63
  64 #include <qstringlist.h>
  65
  66 #include <kapplication.h>
  67
  68 #include <iostream>
  69
  70 //////////////////////////////////////////////////////////////////////////
  71 // CommandEvent
  72 //////////////////////////////////////////////////////////////////////////
  73
  74 CommandEvent::CommandEvent( const QString &qCommand, QStringList *pStringList )
  75     : QCustomEvent( TypeId, pStringList ),
  76       m_eCommand( Unknown )
  77 {
  78     struct {
  79         const char *pName;
  80         CommandEventType eType;
  81     } *pIdx, pMapping[] =
  82     {
  83         { "appendControl",     AppendControl },
  84         { "enableControl",     EnableControl },
  85         { "getValue",          GetValue },
  86         { "setValue",          SetValue },
  87         { "appendFilter",      AppendFilter },
  88         { "appendFilterGroup", AppendFilterGroup },
  89         { "getCurrentFilter",  GetCurrentFilter },
  90         { "setCurrentFilter",  SetCurrentFilter },
  91         { "getDirectory",      GetDirectory },
  92         { "setDirectory",      SetDirectory },
  93         { "getFiles",          GetFiles },
  94         { "setTitle",          SetTitle },
  95         { "setType",           SetType },
  96         { "setDefaultName",    SetDefaultName },
  97         { "setMultiSelection", SetMultiSelection },
  98         { "exec",              Exec },
  99         { 0, Unknown }
 100     };
 101
 102     for ( pIdx = pMapping; pIdx->pName && qCommand != pIdx->pName; ++pIdx )
 103         ;
 104
 105     m_eCommand = pIdx->eType;
 106 }
 107
 108 //////////////////////////////////////////////////////////////////////////
 109 // CommandThread
 110 //////////////////////////////////////////////////////////////////////////
 111
 112 CommandThread::CommandThread( QWidget *pObject )
 113     : m_pObject( pObject )
 114 {
 115 }
 116
 117 CommandThread::~CommandThread()
 118 {
 119 }
 120
 121 void CommandThread::run()
 122 {
 123     QTextIStream qStream( stdin );
 124     qStream.setEncoding( QTextStream::UnicodeUTF8 );
 125
 126     QString qLine;
 127     bool bQuit = false;
 128     while ( !bQuit && !qStream.atEnd() )
 129     {
 130         qLine = qStream.readLine();
 131         handleCommand( qLine, bQuit );
 132     }
 133 }
 134
 135 void CommandThread::handleCommand( const QString &rString, bool &bQuit )
 136 {
 137     QMutexLocker qMutexLocker( &m_aMutex );
 138
 139 #if OSL_DEBUG_LEVEL > 0
 140     ::std::cerr << "kdefilepicker received: " << rString.latin1() << ::std::endl;
 141 #endif
 142
 143     bQuit = false;
 144     QStringList *pTokens = tokenize( rString );
 145
 146     if ( !pTokens )
 147         return;
 148     if ( pTokens->empty() )
 149     {
 150         delete pTokens, pTokens = NULL;
 151         return;
 152     }
 153
 154     QString qCommand = pTokens->front();
 155     pTokens->pop_front();
 156
 157     if ( qCommand == "exit" )
 158     {
 159         bQuit = true;
 160         kapp->exit();
 161         kapp->wakeUpGuiThread();
 162     }
 163     else
 164         kapp->postEvent( m_pObject, new CommandEvent( qCommand, pTokens ) );
 165 }
 166
 167 QStringList* CommandThread::tokenize( const QString &rString )
 168 {
 169     // Commands look like:
 170     // command arg1 arg2 arg3 ...
 171     // Args may be enclosed in '"', if they contain spaces.
 172
 173     QStringList *pList = new QStringList();
 174
 175     QString qBuffer;
 176     qBuffer.reserve( 1024 );
 177
 178     const QChar *pUnicode = rString.unicode();
 179     const QChar *pEnd     = pUnicode + rString.length();
 180     bool bQuoted          = false;
 181
 182     for ( ; pUnicode != pEnd; ++pUnicode )
 183     {
 184         if ( *pUnicode == '\\' )
 185         {
 186             ++pUnicode;
 187             if ( pUnicode != pEnd )
 188             {
 189                 if ( *pUnicode == 'n' )
 190                     qBuffer.append( '\n' );
 191                 else
 192                     qBuffer.append( *pUnicode );
 193             }
 194         }
 195         else if ( *pUnicode == '"' )
 196             bQuoted = !bQuoted;
 197         else if ( *pUnicode == ' ' && !bQuoted )
 198         {
 199             pList->push_back( qBuffer );
 200             qBuffer.setLength( 0 );
 201         }
 202         else
 203             qBuffer.append( *pUnicode );
 204     }
 205     pList->push_back( qBuffer );
 206
 207     return pList;
 208 }