initial import

ChanSort.Plugin.ScmFile/DvbSChannelDataMapping.cs

@@ -0,0 +1,83 @@
+using System.Text;
+using ChanSort.Api;
+
+namespace ChanSort.Plugin.ScmFile
+{
+  internal class DvbSChannelDataMapping : DvbChannelMappingBase
+  {
+    private const string offChecksum = "offChecksum";
+    private const string offTransponderNr = "offTransponderNr";
+    private const string offSatelliteNr = "offSatelliteNr";
+    private readonly bool hasExtendedFavorites;
+
+    #region ctor()
+    public DvbSChannelDataMapping(IniFile.Section settings, int dataLength) 
+      : base(settings, dataLength, new UnicodeEncoding(true, false))
+    {
+      this.hasExtendedFavorites = dataLength >= 168;
+    }
+    #endregion
+
+    #region TransponderNr
+    public ushort TransponderNr
+    {
+      get { return this.GetWord(offTransponderNr); }
+      set { this.SetWord(offTransponderNr, value); }
+    }
+    #endregion
+
+    #region SatelliteNr
+    public ushort SatelliteNr
+    {
+      get { return this.GetWord(offSatelliteNr); }
+      set { this.SetWord(offSatelliteNr, value); }
+    }
+    #endregion
+
+    #region Favorites
+    public override Favorites Favorites
+    {
+      get
+      {
+        if (!this.hasExtendedFavorites)
+          return base.Favorites;
+
+        byte fav = 0;
+        byte mask = 0x01;
+        foreach (int off in this.GetOffsets(offFavorites))
+        {
+          if (this.GetDword(off) == 1)
+            fav |= mask;
+          mask <<= 1;
+        }
+        return (Favorites)fav;
+      }
+      set
+      {
+        if (!this.hasExtendedFavorites)
+        {
+          base.Favorites = value;
+          return;
+        }
+
+        int intValue = (int)value;
+        foreach (int off in this.GetOffsets(offFavorites))
+        {
+          if ((intValue & 1) != 0)
+            this.SetDword(off, 1);
+          intValue >>= 1;
+        }
+      }
+    }
+    #endregion
+
+
+    #region Checksum
+    public byte Checksum
+    {
+      get { return this.GetByte(offChecksum); }
+      set { this.SetByte(offChecksum, value); }
+    }
+    #endregion
+  }
+}