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DataPRO/Modules/DatabaseImporter/DatabaseImport/ISO/IsoCode.cs

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+using System.Text;
+
+namespace DatabaseImport.ISO
+{
+    public class IsoCode
+    {
+        private readonly char[] _isoCodeFull = { '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0' };
+
+        private char _testObject
+        {
+            get => _isoCodeFull[0];
+            set => _isoCodeFull[0] = value;
+        }
+        private char _position
+        {
+            get => _isoCodeFull[1];
+            set => _isoCodeFull[1] = value;
+        }
+        private char[] _mainLocation
+        {
+            get => new[] { _isoCodeFull[2], _isoCodeFull[3], _isoCodeFull[4], _isoCodeFull[5] };
+            set
+            {
+                for (var i = 0; i < 4; i++)
+                {
+                    if (value.Length <= i) { _isoCodeFull[i + 2] = '0'; }
+                    else { _isoCodeFull[i + 2] = value[i]; }
+                }
+            }
+        }
+        private char[] _fineLocation1
+        {
+            get => new[] { _isoCodeFull[6], _isoCodeFull[7] };
+            set
+            {
+                for (var i = 0; i < 2; i++)
+                {
+                    _isoCodeFull[i + 6] = value.Length < i ? '0' : value[i];
+                }
+            }
+        }
+        private char[] _fineLocation2
+        {
+            get => new[] { _isoCodeFull[8], _isoCodeFull[9] };
+            set
+            {
+                for (var i = 0; i < 2; i++)
+                {
+                    if (value.Length < i) { _isoCodeFull[i + 8] = '0'; }
+                    else { _isoCodeFull[i + 8] = value[i]; }
+                }
+            }
+        }
+        private char[] _fineLocation3
+        {
+            get => new[] { _isoCodeFull[10], _isoCodeFull[11] };
+            set
+            {
+                for (var i = 0; i < 2; i++)
+                {
+                    if (value.Length < i) { _isoCodeFull[i + 10] = '0'; }
+                    else { _isoCodeFull[i + 10] = value[i]; }
+                }
+            }
+        }
+        private char[] _physicalDimension
+        {
+            get => new[] { _isoCodeFull[12], _isoCodeFull[13] };
+            set
+            {
+                for (var i = 0; i < 2; i++)
+                {
+                    if (value.Length < i) { _isoCodeFull[i + 12] = '0'; }
+                    else { _isoCodeFull[i + 12] = value[i]; }
+                }
+            }
+        }
+        private char _direction
+        {
+            get => _isoCodeFull[14];
+            set => _isoCodeFull[14] = value;
+        }
+        private char _filterClass
+        {
+            get => _isoCodeFull[15];
+            set => _isoCodeFull[15] = value;
+        }
+        public IsoCode(string isoCode)
+        {
+            if (null == isoCode) { isoCode = ""; }
+            if (isoCode.Length > 16) { isoCode = isoCode.Substring(0, 16); }
+            if (isoCode.Length < 16)
+            {
+                isoCode = isoCode.PadRight(16, '?');
+            }
+            for (var i = 0; i < 16; i++) { _isoCodeFull[i] = isoCode[i]; }
+        }
+        public string StringRepresentation
+        {
+            get
+            {
+                var sb = new StringBuilder();
+                foreach (var c in _isoCodeFull) { sb.Append(c); }
+                return sb.ToString();
+            }
+            set
+            {
+                for (var i = 0; i < 16; i++)
+                {
+                    if (i >= value.Length) { _isoCodeFull[i] = '0'; }
+                    else { _isoCodeFull[i] = value[i]; }
+                }
+            }
+        }
+        /// <summary>
+        /// returns the isocode for a channel
+        /// considers whether it should mask the test time fields in the isocode 
+        /// test time fields are test object, and filterclass
+        /// returns isocode
+        /// </summary>
+        /// <param name="channel"></param>
+        /// <param name="careAboutTestTimeFields"></param>
+        /// <returns></returns>
+        public static string GetString(MMEPossibleChannels channel, bool careAboutTestTimeFields)
+        {
+            var iso = new IsoCode("")
+            {
+                _direction = channel.Direction[0],
+                _fineLocation1 = channel.Fine_Loc_1.ToCharArray(),
+                _fineLocation2 = channel.Fine_Loc_2.ToCharArray(),
+                _fineLocation3 = channel.Fine_Loc_3.ToCharArray(),
+                _mainLocation = channel.Trans_Main_Loc.ToCharArray(),
+                _physicalDimension = channel.Physical_Dimension.ToCharArray(),
+                _position = channel.Position[0],
+                _testObject = careAboutTestTimeFields ? channel.Test_Object[0] : '?',
+                _filterClass = careAboutTestTimeFields ? channel.Default_Filter_Class[0] : '?'
+            };
+            return iso.StringRepresentation;
+        }
+        public static string GetString(string testObject, string position, string main, string floc1, string floc2, string floc3, string physdim, string dir, string fc)
+        {
+            return $"{testObject}{position}{main}{floc1}{floc2}{floc3}{physdim}{dir}{fc}";
+        }
+    }
+}