3 files changed, 203 insertions, 54 deletions

diff --git a/vchat-commands.c b/vchat-commands.c
index c81bf36..6380a44 100755
--- a/vchat-commands.c
+++ b/vchat-commands.c
@@ -2,7 +2,7 @@
  * vchat-client - alpha version
  * vchat-commands.c - handling of client commands
  *
- * Copyright (C) 2001 Andreas Kotes <count@flatline.de>
+ * Copyright (C) 2003 Dirk Engling <erdgeist@erdgeist.org>
  *
  * This program is free software. It can be redistributed and/or modified,
  * provided that this copyright notice is kept intact. This program is
@@ -38,6 +38,7 @@ COMMAND_HELP,
 COMMAND_KEYS,
 COMMAND_QUIT,
 COMMAND_USER,
+COMMAND_LOG,
 COMMAND_FLT,
 COMMAND_PM,
 COMMAND_ACTION,
@@ -57,6 +58,7 @@ static void command_clflt   ( unsigned char *tail);
 static void command_rmflt   ( unsigned char *tail);
        void command_version ( unsigned char *tail);
 static void command_none    ( unsigned char *line);
+static void command_log     ( unsigned char *tail);
 
 static void output_default  ( unsigned char *tail);
 
@@ -74,6 +76,7 @@ commandtable[] = {
 { COMMAND_QUIT,    "QUIT",      4, command_quit,    SHORT_HELPTEXT_QUIT,    LONG_HELPTEXT_QUIT    },
 { COMMAND_USER,    "USER",      4, command_user,    SHORT_HELPTEXT_USER,    LONG_HELPTEXT_USER    },
 { COMMAND_FLT,     "FLT",       3, command_flt,     NULL,                   LONG_HELPTEXT_FLT     },
+{ COMMAND_LOG,     "LOG",       3, command_log,     NULL,                   NULL                  },
 { COMMAND_PM,      "MSG",       3, command_pm,      SHORT_HELPTEXT_MSG,     LONG_HELPTEXT_MSG     },
 { COMMAND_ACTION,  "ME",        2, command_action,  SHORT_HELPTEXT_ME,      LONG_HELPTEXT_ME      },
 { COMMAND_PMSHORT, "M",         1, command_pm,      NULL,                   SHORT_HELPTEXT_MSG    },
@@ -89,18 +92,26 @@ translatecommand( unsigned char **cmd)
   int cut = 0;
   int maxcut = 0;
 
+  /* We do only want to allow Command abbrevation to
+     the next newline, so that /VRES won't expand to /V RES */
+
   while( (*cmd)[maxcut] && ((*cmd)[maxcut] != 0x20) && ((*cmd)[maxcut] != '\n')) maxcut++;
   if( maxcut ) maxcut--;
 
+  /* Repeatedly scan command table for command, with growing abbrevation cut off */
   do {
+      /* Looks ugly, needs rewrite for better understanding */
       for( result = 0;
              (result != COMMAND_NONE) &&
              (strncasecmp(*cmd, commandtable[result].name, commandtable[result].len -
                ((commandtable[result].len - maxcut - cut > 0) ? cut : 0)));
            result++);
   } while ((cut < commandtable[0].len) && (commandtable[result].number == COMMAND_NONE) && (++cut));
-  
+
+  /* Just leave the tail... */
   (*cmd) += commandtable[result].len;
+
+  /* ... whose start may be affected by abbrevation */
   if( commandtable[result].number !=  COMMAND_NONE )
       (*cmd) -= cut;
       
@@ -122,10 +133,8 @@ doaction( unsigned char *tail )
       snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_TXPUBACTION), nick, tail);
       writechan (tmpstr);
   } else {
-
       /* missing action */
-      snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_BGTXPUBACTION));
-      writechan (tmpstr);
+      msgout( "  You do nothing. " );
   }
 }
 
@@ -159,10 +168,8 @@ privatemessagetx ( unsigned char *tail ) {
       ul_msgto(tail);
           
   } else {
-      
-      /* missing nick or message body inform user */
-      snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_BGPRIVMSG));
-      writepriv (tmpstr);
+      /* Bump user to fill in missing parts */
+      msgout( *tail ? "  Won't send empty message. ":"  Recipient missing. " );
   }
 }
 
@@ -200,7 +207,6 @@ handleline (unsigned char *line)
           }
           break;
       default:
-
           /* generic server command, send to server, show to user */
           snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_COMMAND), line);
           networkoutput (line);
@@ -237,17 +243,17 @@ static void
 command_user( unsigned char *tail)
 {
   while( *tail == ' ') tail++;
-  if( strlen(tail) >= 3) {
+  if( *tail ) {
       unsigned char * out = ul_matchuser( tail);
       if( *out ) {
           snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_USMATCH), tail, out);
       } else {
-          snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_ERR), "No user matched that substring");
+          snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_ERR), "  No user matched that regex. ");
       }
   } else {
-      snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_ERR), "Specify at least 3 characters to match users");
+      snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_ERR), "  Which user? ");
   }
-  writechan( tmpstr );
+  msgout( tmpstr );
 }
 
 /* handle a "/msg " request */
@@ -296,10 +302,8 @@ command_help (unsigned char *line) {
 /* handle an unknown command */
 static void
 command_none( unsigned char *line) {
-    flushout( ); 
     snprintf(tmpstr, TMPSTRSIZE, "  Unknown client command: %s ", line);
-    writeout(tmpstr);
-    showout( );
+    msgout(tmpstr);
 }
  
 /* handle a "/flt " request */
@@ -366,3 +370,25 @@ command_version( unsigned char *tail)
   writeout (vchat_cm_version);
   showout();
 }
+
+/* Undocumented feature */
+void
+command_log ( unsigned char *tail)
+{
+  /* log to file */
+  FILE *logfile = NULL;
+  while( *tail == ' ' )
+      tail++;
+  if( (logfile = fopen( tail, "w")) ) {
+    if( *tail == '_' ) {
+        writelog_i(logfile);
+    } else {
+        writelog(logfile);
+    }
+    fclose( logfile );
+    msgout("  Log written. ");
+  } else {
+    snprintf(tmpstr, TMPSTRSIZE, "  Can't open file: %s ", tail);
+    msgout(tmpstr);
+  }
+}
diff --git a/vchat-config.h b/vchat-config.h
index d7e7305..85db619 100755
--- a/vchat-config.h
+++ b/vchat-config.h
@@ -38,6 +38,7 @@ static volatile configoption configoptions[] = {
   {CF_CERTFILE,    CO_STR, "certfile",   "~/.vchat/cert",    NULL,       NULL      },
   {CF_KEYFILE,     CO_STR, "keyfile",    "~/.vchat/key",     NULL,       NULL      },
   {CF_FORMFILE,    CO_STR, "formatfile", "~/.vchat/formats", NULL,       NULL      },
+  {CF_LOGFILE,     CO_STR, "logfile",    "~/.vchat/log",     NULL,       NULL,     },
   {CF_USESSL,      CO_INT, "usessl",     (char *) 1,         (char *)-1, (unsigned char **)&usessl   },
   {CF_USECERT,     CO_INT, "usecert",    (char *) 1,         (char *)-1, NULL      },
   {CF_USETIME,     CO_INT, "usetime",    (char *) 1,         (char *)-1, (unsigned char **)&usetime  },
@@ -48,6 +49,7 @@ static volatile configoption configoptions[] = {
   {CF_SCROLLBACK,  CO_INT, "scrollback", (char *) 8192,      (char *)-1, NULL      },
   {CF_SCROLLBPRIVT,CO_INT, "privscrollt",(char *) 0,         (char *)-1, NULL      },
   {CF_SCROLLBACKT, CO_INT, "scrolltime", (char *) 86400,     (char *)-1, NULL      },
+  {CF_KEEPLOG,     CO_INT, "keeplog",    (char *) 0,         (char *)-1, NULL      },
   {CF_NIL,         CO_NIL, NULL,         NULL,               NULL,       NULL      },
 };
 
diff --git a/vchat-ui.c b/vchat-ui.c
index 526727f..eba6ab0 100755
--- a/vchat-ui.c
+++ b/vchat-ui.c
@@ -46,6 +46,9 @@ static WINDOW         *topic            = NULL;
 static WINDOW         *channel          = NULL;
 static WINDOW         *private          = NULL;
 static WINDOW         *output           = NULL;
+
+static FILE           *vchat_logfile    = NULL;
+
 /* our screen dimensions */
 static int             screensx         = 0;
 static int             screensy         = 0;
@@ -75,6 +78,7 @@ struct sb_entry {
 
 struct sb_data {
   struct sb_entry   *entries;
+  struct sb_entry   *last;
   int                count;
   int                scroll;
 };
@@ -242,7 +246,10 @@ sb_add (struct sb_data *sb, unsigned char *line, time_t when) {
       newone->what = strdup(line);
       newone->link = sb->entries;
       newone->stamp= 0xffff;
-      if( sb->entries ) sb->entries->link = (struct sb_entry*)((unsigned long)sb->entries->link ^ (unsigned long)newone);
+      if( sb->entries )
+          sb->entries->link = (struct sb_entry*)((unsigned long)sb->entries->link ^ (unsigned long)newone);
+      else
+          sb->last     = newone;
       sb->entries  = newone;
   }
   return newone;
@@ -258,8 +265,10 @@ void flushout ( )
 
 void hideout( )
 {
-  outputshown = 0;
-  resize(0);
+  if( outputshown ) {
+      outputshown = 0;
+      resize(0);
+  }
 }
 
 void showout (void)
@@ -284,6 +293,12 @@ int writechan (unsigned char *str) {
   time_t now = time(NULL);
   tmp = sb_add(sb_pub,str,now);
 
+  if( getintoption( CF_KEEPLOG ) && vchat_logfile ) {
+      char date[16];
+      strftime( date, sizeof(date), "%Y%m%d%H%M%S", localtime(&now));
+      fprintf( vchat_logfile, "%s0%s\n", date, str);
+  }
+
   if ( (sb_pub->scroll == sb_pub->count) && ((filtertype == 0) || ( testfilter(tmp)))) {
      i = writescr(channel, tmp);
      wnoutrefresh(channel);
@@ -293,42 +308,56 @@ int writechan (unsigned char *str) {
 }
 
 int writecf (formtstr id,unsigned char *str) {
-    struct sb_entry *tmp;
-    int i = 0;
-    time_t now = time(NULL);
-    snprintf(tmpstr,TMPSTRSIZE,getformatstr(id),str);
-    tmp = sb_add(sb_pub,tmpstr,now);
-    if ( (sb_pub->scroll == sb_pub->count) &&
-         ((filtertype == 0) || ( testfilter(tmp)))) {
-        i = writescr(channel, tmp);
-        wnoutrefresh(channel);
-    }
-    consoleline(NULL);
-    return i;
+  struct sb_entry *tmp;
+  int i = 0;
+  time_t now = time(NULL);
+  snprintf(tmpstr,TMPSTRSIZE,getformatstr(id),str);
+  tmp = sb_add(sb_pub,tmpstr,now);
+
+  if( getintoption( CF_KEEPLOG ) && vchat_logfile ) {
+      char date[16];
+      strftime( date, sizeof(date), "%Y%m%d%H%M%S", localtime(&now));
+      fprintf( vchat_logfile, "%s0%s\n", date, str);
+  }
+
+  if ( (sb_pub->scroll == sb_pub->count) &&
+       ((filtertype == 0) || ( testfilter(tmp)))) {
+      i = writescr(channel, tmp);
+      wnoutrefresh(channel);
+  }
+  consoleline(NULL);
+  return i;
 }
 
 int writepriv (unsigned char *str) {
-    int i = 0;
-    time_t now = time (NULL);
-    struct sb_entry *tmp;
-
-    if (private) {
-        tmp = sb_add(sb_priv,str,now);
-        if ( (sb_priv->scroll == sb_priv->scroll) &&
-             ((filtertype == 0) || ( testfilter(tmp)))) {
-            i = writescr(private, tmp);
-        }
-        if( privwinhidden ) {
-            privheight_desired = privwinhidden;
-            privwinhidden      = 0;
-            resize(0);
-        }
-        wnoutrefresh(private);
-        topicline(NULL);
-    } else
-        i = writechan( str );
-
-    return i;
+  int i = 0;
+  if (private) {
+
+      time_t now = time (NULL);
+      struct sb_entry *tmp;
+      tmp = sb_add(sb_priv,str,now);
+
+      if( getintoption( CF_KEEPLOG ) && vchat_logfile ) {
+          char date[16];
+          strftime( date, sizeof(date), "%Y%m%d%H%M%S", localtime(&now));
+          fprintf( vchat_logfile, "%s1%s\n", date, str);
+      }
+
+      if ( (sb_priv->scroll == sb_priv->scroll) &&
+           ((filtertype == 0) || ( testfilter(tmp)))) {
+          i = writescr(private, tmp);
+      }
+      if( privwinhidden ) {
+          privheight_desired = privwinhidden;
+          privwinhidden      = 0;
+          resize(0);
+      }
+      wnoutrefresh(private);
+      topicline(NULL);
+  } else
+      i = writechan( str );
+
+  return i;
 }
 
 /* Get #if 's out of code */
@@ -468,6 +497,87 @@ writescr ( WINDOW *win, struct sb_entry *entry ) {
 }
 
 static void
+writelog_processentry ( FILE *file, struct sb_entry* entry )
+{
+  char *outtmp;
+  int  outoff = 0;
+  if( usetime ) {
+      outtmp = tmpstr+64;
+      strftime(outtmp,64,getformatstr(FS_TIME),localtime(&entry->when));
+      while(*outtmp)
+          if( *outtmp > 1 )
+              tmpstr[outoff++] = *(outtmp++);
+          else 
+              if( *(++outtmp))
+                  outtmp++;
+  }
+
+  outtmp = entry->what;
+  while(*outtmp)
+      while(*outtmp && ( outoff < TMPSTRSIZE-1) ) {
+         if( *outtmp > 1 )
+             tmpstr[outoff++] = *(outtmp++);
+         else
+             if( *(++outtmp))
+                 outtmp++;
+      tmpstr[outoff]=0; outoff = 0;
+      fputs( tmpstr, file );
+  }
+
+  fputc( '\n', file);
+}
+
+void
+writelog_i ( FILE *file)
+{
+  if( !private ) {
+      writelog( file);
+  } else {
+      struct sb_entry *now1= sb_pub->last, *prev1 = NULL, *tmp;
+      struct sb_entry *now2= sb_priv->last, *prev2 = NULL;
+      fputs( "Interleaved messages:\n\n", file);
+      while( now1 || now2 ) {
+          int process;
+          if( now1 && now2 ) {
+              process = ( now1->when < now2->when ) ? 1 : 2;
+          } else {
+              process = now1 ? 1 : 2;
+          }
+
+          if( process == 1 ) {
+              writelog_processentry( file, now1 );
+              tmp = now1; now1 = (struct sb_entry*)((unsigned long)now1->link ^ (unsigned long)prev1); prev1 = tmp;
+          } else {
+              writelog_processentry( file, now2 );
+              tmp = now2; now2 = (struct sb_entry*)((unsigned long)now2->link ^ (unsigned long)prev2); prev2 = tmp;
+          }
+      }
+  }
+}
+
+void
+writelog ( FILE *file )
+{
+  if( sb_pub->last ) {
+      struct sb_entry *now = sb_pub->last, *prev = NULL, *tmp;
+      fputs( "Public messages:\n\n", file);
+      while( now ) {
+          writelog_processentry( file, now );
+          tmp = now; now = (struct sb_entry*)((unsigned long)now->link ^ (unsigned long)prev); prev = tmp;
+      }
+      putc( '\n', file );
+  }
+  if( private && sb_priv->last ) {
+      struct sb_entry *now = sb_priv->last, *prev = NULL, *tmp;
+      fputs( "Private messages:\n\n", file);
+      while( now ) {
+          writelog_processentry( file, now );
+          tmp = now; now = (struct sb_entry*)((unsigned long)now->link ^ (unsigned long)prev); prev = tmp;
+      }
+  }
+}
+
+static void
 resize_output ( )
 {
   int outputwidth  = (outputwidth_desired + 7 > screensx) ? screensx - 7 : outputwidth_desired;
@@ -1068,6 +1178,15 @@ initui (void)
   writeout (vchat_us_version);
   writeout (vchat_cm_version);
   showout( );
+
+  if( getintoption( CF_KEEPLOG ) ) {
+      unsigned char *logfile = getstroption( CF_LOGFILE );
+      if( logfile && *logfile ) {
+          if( *logfile == '~' )
+              logfile = tilde_expand( logfile );
+          vchat_logfile = fopen( logfile, "a+" );
+      }
+  }
 }
 
 /* render colorized line to window */
@@ -1169,6 +1288,8 @@ exitui (void)
      rl_callback_handler_remove ();
      endwin ();
      ui_init = 0;
+     if( vchat_logfile )
+         fclose( vchat_logfile );
   }
 }
 
@@ -1414,7 +1535,7 @@ addfilter( char colour, unsigned char *regex ) {
       /* couldn't compile regex ... print error, return */
       free( newflt );
 
-      snprintf( tmpstr, TMPSTRSIZE, "  %s  ", regex);
+      snprintf( tmpstr, TMPSTRSIZE, "  %s ", regex);
       writeout( " Bad regular expression: ");
       writeout( tmpstr );
       showout( );