Automatically deleting duplicate channels when reading channels.conf

HISTORY

@@ -3491,3 +3491,6 @@ Video Disk Recorder Revision History
   Reinhard Nissl).
 - Fixed a bug in libsi's SubtitlingDescriptor::getLength() (thanks to Marco
   Schlüßler).
+- When reading the channels.conf file, duplicate channels (i.e. ones that have
+  the same channel ID) are now automatically deleted and only the first one is
+  actually stored.

channels.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: channels.c 1.36 2005/03/19 15:56:38 kls Exp $
+ * $Id: channels.c 1.37 2005/05/06 13:46:57 kls Exp $
  */
 
 #include "channels.h"
@@ -648,7 +648,7 @@ cString cChannel::ToText(void) const
   return ToText(this);
 }
 
-bool cChannel::Parse(const char *s, bool AllowNonUniqueID)
+bool cChannel::Parse(const char *s)
 {
   bool ok = true;
   if (*s == ':') {
@@ -791,10 +791,6 @@ bool cChannel::Parse(const char *s, bool AllowNonUniqueID)
            esyslog("ERROR: channel data results in invalid ID!");
            return false;
            }
-        if (!AllowNonUniqueID && Channels.GetByChannelID(GetChannelID())) {
-           esyslog("ERROR: channel data not unique!");
-           return false;
-           }
         }
      else
         return false;
@@ -817,9 +813,30 @@ cChannels::cChannels(void)
   modified = CHANNELSMOD_NONE;
 }
 
+void cChannels::DeleteDuplicateChannels(void)
+{
+  for (cChannel *channel = First(); channel; channel = Next(channel)) {
+      if (!channel->GroupSep()) {
+         tChannelID ChannelID = channel->GetChannelID();
+         cChannel *other = Next(channel);
+         while (other) {
+               cChannel *d = NULL;
+               if (!other->GroupSep() && other->GetChannelID() == ChannelID)
+                  d = other;
+               other = Next(other);
+               if (d) {
+                  dsyslog("deleting duplicate channel %s", *d->ToText());
+                  Del(d);
+                  }
+               }
+         }
+      }
+}
+
 bool cChannels::Load(const char *FileName, bool AllowComments, bool MustExist)
 {
   if (cConfig<cChannel>::Load(FileName, AllowComments, MustExist)) {
+     DeleteDuplicateChannels();
      ReNumber();
      return true;
      }

channels.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: channels.h 1.26 2005/02/20 14:05:24 kls Exp $
+ * $Id: channels.h 1.27 2005/05/06 13:47:06 kls Exp $
  */
 
 #ifndef __CHANNELS_H
@@ -135,7 +135,7 @@ public:
   ~cChannel();
   cChannel& operator= (const cChannel &Channel);
   cString ToText(void) const;
-  bool Parse(const char *s, bool AllowNonUniqueID = false);
+  bool Parse(const char *s);
   bool Save(FILE *f);
   const char *Name(void) const { return name; }
   const char *ShortName(bool OrName = false) const { return (OrName && isempty(shortName)) ? name : shortName; }
@@ -198,6 +198,7 @@ private:
   int maxNumber;
   int modified;
   int beingEdited;
+  void DeleteDuplicateChannels(void);
 public:
   cChannels(void);
   bool Load(const char *FileName, bool AllowComments = false, bool MustExist = false);

svdrp.c

@@ -10,7 +10,7 @@
  * and interact with the Video Disk Recorder - or write a full featured
  * graphical interface that sits on top of an SVDRP connection.
  *
- * $Id: svdrp.c 1.69 2005/03/20 15:04:00 kls Exp $
+ * $Id: svdrp.c 1.70 2005/05/06 13:47:39 kls Exp $
  */
 
 #include "svdrp.h"
@@ -875,7 +875,7 @@ void cSVDRP::CmdMODC(const char *Option)
         cChannel *channel = Channels.GetByNumber(n);
         if (channel) {
            cChannel ch;
-           if (ch.Parse(tail, true)) {
+           if (ch.Parse(tail)) {
               if (Channels.HasUniqueChannelID(&ch, channel)) {
                  *channel = ch;
                  Channels.ReNumber();
@@ -948,7 +948,7 @@ void cSVDRP::CmdNEWC(const char *Option)
 {
   if (*Option) {
      cChannel ch;
-     if (ch.Parse(Option, true)) {
+     if (ch.Parse(Option)) {
         if (Channels.HasUniqueChannelID(&ch)) {
            cChannel *channel = new cChannel;
            *channel = ch;