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88 lines
3.2 KiB
88 lines
3.2 KiB
/***************************************************************************
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filesource.cpp - description
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-------------------
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begin : Son Feb 10 2002
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copyright : (C) 2002 by Thomas Kabelmann
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email : tk78@gmx.de
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***************************************************************************/
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/***************************************************************************
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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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***************************************************************************/
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#include "filesource.h"
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#include "ksfilereader.h"
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#include "kstarsdata.h"
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#include "ksutils.h"
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FileSource::FileSource(KStarsData *ksdata, float magnitude)
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: maxMagnitude(magnitude), data(ksdata) {
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// kdDebug() << "new magnitude to load is " << maxMagnitude << endl;
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// kdDebug() << "count()=" << data->starList.count() << endl;
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fileNumber = ksdata->starList.count() / 1000 + 1;
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lineNumber = ksdata->starList.count() % 1000;
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// the first file contains 12 comment lines at the beginning which must skipped
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if (fileNumber == 1) { lineNumber += 12; }
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// kdDebug() << "fileNumber=" << fileNumber << " lineNumber=" << lineNumber << endl;
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if (fileNumber <= NHIPFILES) {
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// if file opened it's true else false
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readingData = data->openStarFile(fileNumber);
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if (data->starFileReader->setLine(lineNumber) == true) {
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// kdDebug() << "line reset ok" << endl;
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} else {
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// kdDebug() << "line reset not ok" << endl;
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}
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} else {
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readingData = false;
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}
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}
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FileSource::~FileSource() {
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}
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int FileSource::readyToSend() {
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// readyToSend == 0 -> no data but not end of stream
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// readyToSend > 0 -> data ready to send
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// readyToSend == -1 -> end of stream, TQDataPump will destroy this FileSource object
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if (readingData == true)
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return 1;
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else
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return -1;
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}
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void FileSource::sendTo(TQDataSink *sink, int) {
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counter = 0;
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while (data->starFileReader->hasMoreLines() && counter < maxLines) {
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TQString line = data->starFileReader->readLine();
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float mag = line.mid( 46, 5 ).toFloat(); // check magnitude
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// kdDebug() << "mag=" << mag << " maxmag=" << maxMagnitude << endl;
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if (mag > maxMagnitude) {
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readingData = false;
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break;
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} else {
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stringArray[counter++] = line;
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}
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}
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// open next file if end is reached
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if (data->starFileReader->hasMoreLines() == false && readingData == true && fileNumber < NHIPFILES) {
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fileNumber++;
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// kdDebug() << "sendTo: open file #" << fileNumber << endl;
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data->openStarFile(fileNumber);
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}
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// check if more data are available
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if (readingData == true && data->starFileReader != 0 && data->starFileReader->hasMoreLines() == true) {
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readingData = true;
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} else {
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readingData = false;
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}
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// send data to StarDataSink
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sink->receive((uchar*) &stringArray[0], counter);
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}
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