VOR localizer feature: initial commit

2026-06-03 14:34:57 -04:00 · 2020-11-30 01:30:18 +01:00
parent 38787f2a19
commit ffe515fb63
45 changed files with 5007 additions and 2 deletions
@@ -0,0 +1,69 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2020 Jon Beniston, M7RCE                                        //
+//                                                                               //
+// 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 as version 3 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 V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#include "csv.h"
+
+#include <QString>
+#include <QFile>
+#include <QByteArray>
+#include <QHash>
+#include <QList>
+#include <QDebug>
+
+// Create a hash map from a CSV file with two columns
+QHash<QString, QString> *csvHash(const QString& filename, int reserve)
+{
+    int cnt = 0;
+    QHash<QString, QString> *map = nullptr;
+
+    qDebug() << "csvHash: " << filename;
+
+    QFile file(filename);
+    if (file.open(QIODevice::ReadOnly))
+    {
+        // Read header
+        if (!file.atEnd())
+        {
+            QByteArray row = file.readLine().trimmed();
+            if (row.split(',').size() == 2)
+            {
+                map = new QHash<QString, QString>();
+                if (reserve > 0)
+                    map->reserve(reserve);
+                // Read data
+                while (!file.atEnd())
+                {
+                    row = file.readLine().trimmed();
+                    QList<QByteArray> cols = row.split(',');
+                    map->insert(QString(cols[0]), QString(cols[1]));
+                    cnt++;
+                }
+            }
+            else
+                qDebug() << "csvHash: Unexpected header";
+        }
+        else
+            qDebug() << "csvHash: Empty file";
+        file.close();
+    }
+    else
+        qDebug() << "csvHash: Failed to open " << filename;
+
+    qDebug() << "csvHash: " << filename << ": read " << cnt << " entries";
+
+    return map;
+}