lpqhelper.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/
 
#include "lpqhelper.h"
#include "kmjob.h"
#include "kpipeprocess.h"
#include "lprsettings.h"
 
#include <kstandarddirs.h>
#include <tdeprocess.h>
#include <kdebug.h>
 
LpqHelper::LpqHelper(TQObject *parent, const char *name)
: TQObject(parent, name)
{
    m_exepath = TDEStandardDirs::findExe("lpq");
}
 
LpqHelper::~LpqHelper()
{
}
 
KMJob* LpqHelper::parseLineLpr(const TQString& line)
{
    TQString    rank = line.left(7);
    if (!rank[0].isDigit() && rank != "active")
        return NULL;
    KMJob   *job = new KMJob;
    job->setState((rank[0].isDigit() ? KMJob::Queued : KMJob::Printing));
    job->setOwner(line.mid(7, 11).stripWhiteSpace());
    job->setId(line.mid(18, 5).toInt());
    job->setName(line.mid(23, 38).stripWhiteSpace());
    int p = line.find(' ', 61);
    if (p != -1)
    {
        job->setSize(line.mid(61, p-61).toInt() / 1000);
    }
    return job;
}
 
KMJob* LpqHelper::parseLineLPRng(const TQString& line)
{
    TQString    rank = line.left(7).stripWhiteSpace();
    if (!rank[0].isDigit() && rank != "active" && rank != "hold")
        return NULL;
    KMJob   *job = new KMJob;
    job->setState((rank[0].isDigit() ? KMJob::Queued : (rank == "hold" ? KMJob::Held : KMJob::Printing)));
    int p = line.find('@', 7), q = line.find(' ', 7);
    job->setOwner(line.mid(7, TQMIN(p,q)-7));
    while (line[q].isSpace())
        q++;
    q++;
    while (line[q].isSpace())
        q++;
    p = line.find(' ', q);
    job->setId(line.mid(q, p-q).toInt());
    while (line[p].isSpace())
        p++;
    q = p+25;
    while (line[q].isDigit())
        q--;
    job->setName(line.mid(p, q-p).stripWhiteSpace());
    job->setSize(line.mid(q+1, p+26-q).toInt() / 1000);
    return job;
}
 
void LpqHelper::listJobs(TQPtrList<KMJob>& jobs, const TQString& prname, int limit)
{
    KPipeProcess    proc;
    if (!m_exepath.isEmpty() && proc.open(m_exepath + " -P " + TDEProcess::quote(prname)))
    {
        TQTextStream    t(&proc);
        TQString        line;
        bool    lprng = (LprSettings::self()->mode() == LprSettings::LPRng);
        int count = 0;
 
        while (!t.atEnd())
        {
            line = t.readLine().stripWhiteSpace();
            if (line.startsWith("Rank"))
                break;
        }
        while (!t.atEnd())
        {
            line = t.readLine();
            if ( limit > 0 && count >= limit )
                continue;
            KMJob   *job = (lprng ? parseLineLPRng(line) : parseLineLpr(line));
            if (job)
            {
                job->setPrinter(prname);
                job->setUri("lpd://"+prname+"/"+TQString::number(job->id()));
                jobs.append(job);
                count++;
            }
            else
                break;
        }
        proc.close();
    }
}