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/*
 *  Baltisot
 *  Copyright (C) 1999-2008 Nicolas "Pixel" Noble
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ReadJob.h"
#include "HttpServ.h"
#include "BRegex.h"
#include "gettext.h"

ReadJob::ReadJob(Handle * as, Handle * ad, const Regex & aregex) : s(as), d(ad), regex(&aregex) {
    s->SetNonBlock();
    d->SetNonBlock();
    WaitFor(s, W4_READING);
}

ReadJob::~ReadJob() { }

int ReadJob::Do() throw (GeneralException) {
    String ubuff;

    switch (current) {
    case 0:
        try {
            if (buff.strlen() == 0) {
                *s >> buff;
            } else {
	        *s >> ubuff;
            }
	}
	catch (IOAgain e) {
            if (ubuff.strlen() != 0)
                buff = buff + ubuff;
	    WaitFor(s, W4_READING);
	    Suspend(TASK_ON_HOLD);
	}
        if (ubuff.strlen() != 0)
            buff = buff + ubuff;
    case 1:
	try {
	    *d << buff << "\n";
	}
	catch (IOAgain e) {
            /***TODO*** Potential bug here: if the write was partial, we'd need to restart at a later position. */
	    current = 1;
	    WaitFor(d, W4_WRITING);
	    Suspend(TASK_ON_HOLD);
	}
	current = 0;
	if (regex->Match(buff)) return TASK_DONE;
        buff = "";
    }
    
    if (!s->IsClosed()) {
	WaitFor(s, W4_READING);
	Suspend(TASK_ON_HOLD);
    }
    
    return TASK_DONE;
}

String ReadJob::GetName() {
    return (String(_("ReadJob from ")) + s->GetName() + _(" to ") + d->GetName());
}