vcl/unx/kde/fpicker/kdecommandthread.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <cstddef>
  21
  22 #include <kdecommandthread.hxx>
  23
  24 #include <config_vclplug.h>
  25
  26 #if ENABLE_TDE
  27 #include <tqstringlist.h>
  28 #include <tdeapplication.h>
  29 #else // ENABLE_TDE
  30 #include <qstringlist.h>
  31 #include <kapplication.h>
  32 #endif // ENABLE_TDE
  33
  34 #if OSL_DEBUG_LEVEL > 1
  35 #include <iostream>
  36 #endif
  37
  38 //////////////////////////////////////////////////////////////////////////
  39 // CommandEvent
  40 //////////////////////////////////////////////////////////////////////////
  41
  42 KDECommandEvent::KDECommandEvent( const QString &qCommand, QStringList *pStringList )
  43     : QCustomEvent( TypeId, pStringList ),
  44       m_eCommand( Unknown )
  45 {
  46     struct {
  47         const char *pName;
  48         CommandEventType eType;
  49     } *pIdx, pMapping[] =
  50     {
  51         { "appendControl",     AppendControl },
  52         { "enableControl",     EnableControl },
  53         { "getValue",          GetValue },
  54         { "setValue",          SetValue },
  55         { "appendFilter",      AppendFilter },
  56         { "appendFilterGroup", AppendFilterGroup },
  57         { "getCurrentFilter",  GetCurrentFilter },
  58         { "setCurrentFilter",  SetCurrentFilter },
  59         { "getDirectory",      GetDirectory },
  60         { "setDirectory",      SetDirectory },
  61         { "getFiles",          GetFiles },
  62         { "setTitle",          SetTitle },
  63         { "setType",           SetType },
  64         { "setDefaultName",    SetDefaultName },
  65         { "setMultiSelection", SetMultiSelection },
  66         { "exec",              Exec },
  67         { 0, Unknown }
  68     };
  69
  70     for ( pIdx = pMapping; pIdx->pName && qCommand != pIdx->pName; ++pIdx )
  71         ;
  72
  73     m_eCommand = pIdx->eType;
  74 }
  75
  76 //////////////////////////////////////////////////////////////////////////
  77 // CommandThread
  78 //////////////////////////////////////////////////////////////////////////
  79
  80 KDECommandThread::KDECommandThread( QWidget *pObject )
  81     : m_pObject( pObject )
  82 {
  83 }
  84
  85 KDECommandThread::~KDECommandThread()
  86 {
  87 }
  88
  89 void KDECommandThread::run()
  90 {
  91     QTextIStream qStream( stdin );
  92     qStream.setEncoding( QTextStream::UnicodeUTF8 );
  93
  94     QString qLine;
  95     bool bQuit = false;
  96     while ( !bQuit && !qStream.atEnd() )
  97     {
  98         qLine = qStream.readLine();
  99         handleCommand( qLine, bQuit );
 100     }
 101 }
 102
 103 void KDECommandThread::handleCommand( const QString &rString, bool &bQuit )
 104 {
 105     QMutexLocker qMutexLocker( &m_aMutex );
 106
 107 #if OSL_DEBUG_LEVEL > 1
 108     ::std::cerr << "kdefilepicker received: " << rString.latin1() << ::std::endl;
 109 #endif
 110
 111     bQuit = false;
 112     QStringList *pTokens = tokenize( rString );
 113
 114     if ( !pTokens )
 115         return;
 116     if ( pTokens->empty() )
 117     {
 118         delete pTokens, pTokens = NULL;
 119         return;
 120     }
 121
 122     QString qCommand = pTokens->front();
 123     pTokens->pop_front();
 124 #if OSL_DEBUG_LEVEL > 1
 125     ::std::cerr << "kdefilepicker first command: " << qCommand.latin1() << ::std::endl;
 126 #endif
 127
 128     if ( qCommand == "exit" )
 129     {
 130         bQuit = true;
 131         kapp->exit();
 132         kapp->wakeUpGuiThread();
 133 #if OSL_DEBUG_LEVEL > 1
 134         ::std::cerr << "kdefilepicker: exiting" << ::std::endl;
 135 #endif
 136     }
 137     else
 138         kapp->postEvent( m_pObject, new KDECommandEvent( qCommand, pTokens ) );
 139 }
 140
 141 QStringList* KDECommandThread::tokenize( const QString &rString )
 142 {
 143     // Commands look like:
 144     // command arg1 arg2 arg3 ...
 145     // Args may be enclosed in '"', if they contain spaces.
 146
 147     QStringList *pList = new QStringList();
 148
 149     QString qBuffer;
 150     qBuffer.reserve( 1024 );
 151
 152     const QChar *pUnicode = rString.unicode();
 153     const QChar *pEnd     = pUnicode + rString.length();
 154     bool bQuoted          = false;
 155
 156     for ( ; pUnicode != pEnd; ++pUnicode )
 157     {
 158         if ( *pUnicode == '\\' )
 159         {
 160             ++pUnicode;
 161             if ( pUnicode != pEnd )
 162             {
 163                 if ( *pUnicode == 'n' )
 164                     qBuffer.append( '\n' );
 165                 else
 166                     qBuffer.append( *pUnicode );
 167             }
 168         }
 169         else if ( *pUnicode == '"' )
 170             bQuoted = !bQuoted;
 171         else if ( *pUnicode == ' ' && !bQuoted )
 172         {
 173             pList->push_back( qBuffer );
 174             qBuffer.setLength( 0 );
 175         }
 176         else
 177             qBuffer.append( *pUnicode );
 178     }
 179     pList->push_back( qBuffer );
 180
 181     return pList;
 182 }
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */