* New token SHORTSUBJECT, SHORTSUBJKEY and SHORTSUBJKEYINIT to shorten

     the subject, removing list name information from the subject (text
     enclosed between "[" and "]".)

5 files changed, 85 insertions, 16 deletions

diff --git a/pith/indxtype.h b/pith/indxtype.h
index 4a0a51d6..533ed57b 100644
--- a/pith/indxtype.h
+++ b/pith/indxtype.h
@@ -70,7 +70,9 @@ typedef enum {iNothing, iStatus, iFStatus, iIStatus, iSIStatus,
 	      iLstMonYear, iLstMonYear2Digit,
 	      iLstYear, iLstYear2Digit,
 	      iMessNo, iAtt, iMsgID,
-	      iSubject, iSubjKey, iSubjKeyInit,
+	      iSubject, iShortSubject, 
+	      iSubjKey, iShortSubjKey, 
+	      iSubjKeyInit, iShortSubjKeyInit, 
 	      iSubjectText, iSubjKeyText, iSubjKeyInitText,
 	      iOpeningText, iOpeningTextNQ,
 	      iKey, iKeyInit,
diff --git a/pith/mailindx.c b/pith/mailindx.c
index 54b0defd..b79677a5 100644
--- a/pith/mailindx.c
+++ b/pith/mailindx.c
@@ -89,7 +89,7 @@ long		fetch_size(INDEXDATA_S *);
 BODY	       *fetch_body(INDEXDATA_S *);
 char           *fetch_firsttext(INDEXDATA_S *idata, int);
 char           *fetch_header(INDEXDATA_S *idata, char *hdrname);
-void		subj_str(INDEXDATA_S *, char *, size_t, SubjKW, int, ICE_S *);
+void		subj_str(INDEXDATA_S *, char *, size_t, SubjKW, int, int, ICE_S *);
 void		key_str(INDEXDATA_S *, SubjKW, ICE_S *);
 void		header_str(INDEXDATA_S *, HEADER_TOK_S *, ICE_S *);
 void		prio_str(INDEXDATA_S *, IndexColType, ICE_S *);
@@ -455,11 +455,14 @@ static INDEX_PARSE_T itokens[] = {
     {"SIZENARROW",	iSizeNarrow,	FOR_INDEX},
     {"KSIZE",		iKSize,		FOR_INDEX},
     {"SUBJECT",		iSubject,	FOR_INDEX|FOR_REPLY_INTRO|FOR_TEMPLATE},
+    {"SHORTSUBJECT",	iShortSubject,	FOR_INDEX|FOR_REPLY_INTRO|FOR_TEMPLATE},
     {"FULLSTATUS",	iFStatus,	FOR_INDEX},
     {"IMAPSTATUS",	iIStatus,	FOR_INDEX},
     {"SHORTIMAPSTATUS",	iSIStatus,	FOR_INDEX},
     {"SUBJKEY",		iSubjKey,	FOR_INDEX},
+    {"SHORTSUBJKEY",	iShortSubjKey,	FOR_INDEX},
     {"SUBJKEYINIT",	iSubjKeyInit,	FOR_INDEX},
+    {"SHORTSUBJKEYINIT",iShortSubjKeyInit, FOR_INDEX},
     {"SUBJECTTEXT",	iSubjectText,	FOR_INDEX},
     {"SUBJKEYTEXT",	iSubjKeyText,	FOR_INDEX},
     {"SUBJKEYINITTEXT", iSubjKeyInitText, FOR_INDEX},
@@ -1355,10 +1358,13 @@ setup_index_header_widths(MAILSTREAM *stream)
 	  cdesc->width++;
 	  space_left--;
 	  if(space_left > 0 && (cdesc->ctype == iSubject
+				|| cdesc->ctype == iShortSubject
 				|| cdesc->ctype == iSubjectText
 				|| cdesc->ctype == iSubjKey
+				|| cdesc->ctype == iShortSubjKey
 				|| cdesc->ctype == iSubjKeyText
 				|| cdesc->ctype == iSubjKeyInit
+				|| cdesc->ctype == iShortSubjKeyInit
 				|| cdesc->ctype == iSubjKeyInitText)){
 	      cdesc->width++;
 	      space_left--;
@@ -2048,10 +2054,13 @@ format_index_index_line(INDEXDATA_S *idata)
 	      if(cdesc->ctype == iMessNo)
 		snprintf(str, sizeof(str), "%*.*s", ifield->width, ifield->width, " ");
 	      else if(idata->bogus < 2 && (cdesc->ctype == iSubject
+					   || cdesc->ctype == iShortSubject
 					   || cdesc->ctype == iSubjectText
 					   || cdesc->ctype == iSubjKey
+					   || cdesc->ctype == iShortSubjKey
 					   || cdesc->ctype == iSubjKeyText
 					   || cdesc->ctype == iSubjKeyInit
+					   || cdesc->ctype == iShortSubjKeyInit
 					   || cdesc->ctype == iSubjKeyInitText))
 		snprintf(str, sizeof(str), "%s", _("[ No Message Text Available ]"));
 	  }
@@ -2751,27 +2760,39 @@ format_index_index_line(INDEXDATA_S *idata)
 		break;
 
 	      case iSubject:
-		subj_str(idata, str, sizeof(str), NoKW, 0, ice);
+		subj_str(idata, str, sizeof(str), NoKW, 0, 0, ice);
+		break;
+
+	      case iShortSubject:
+		subj_str(idata, str, sizeof(str), NoKW, 0, 1, ice);
 		break;
 
 	      case iSubjectText:
-		subj_str(idata, str, sizeof(str), NoKW, 1, ice);
+		subj_str(idata, str, sizeof(str), NoKW, 1, 0, ice);
 		break;
 
 	      case iSubjKey:
-		subj_str(idata, str, sizeof(str), KW, 0, ice);
+		subj_str(idata, str, sizeof(str), KW, 0, 0, ice);
+		break;
+
+	      case iShortSubjKey:
+		subj_str(idata, str, sizeof(str), KW, 0, 1, ice);
 		break;
 
 	      case iSubjKeyText:
-		subj_str(idata, str, sizeof(str), KW, 1, ice);
+		subj_str(idata, str, sizeof(str), KW, 1, 0, ice);
 		break;
 
 	      case iSubjKeyInit:
-		subj_str(idata, str, sizeof(str), KWInit, 0, ice);
+		subj_str(idata, str, sizeof(str), KWInit, 0, 0, ice);
+		break;
+
+	      case iShortSubjKeyInit:
+		subj_str(idata, str, sizeof(str), KWInit, 0, 1, ice);
 		break;
 
 	      case iSubjKeyInitText:
-		subj_str(idata, str, sizeof(str), KWInit, 1, ice);
+		subj_str(idata, str, sizeof(str), KWInit, 1, 0, ice);
 		break;
 
 	      case iOpeningText:
@@ -3257,7 +3278,7 @@ format_thread_index_line(INDEXDATA_S *idata)
 		buffer[0] = '\0';
 		save_sfstr_func = pith_opt_truncate_sfstr;
 		pith_opt_truncate_sfstr = NULL;
-		subj_str(idata, buffer, sizeof(buffer), NoKW, 0, NULL);
+		subj_str(idata, buffer, sizeof(buffer), NoKW, 0, 0, NULL);
 		pith_opt_truncate_sfstr = save_sfstr_func;
 	    }
 
@@ -5248,7 +5269,6 @@ scorevalfrommsg(MAILSTREAM *stream, MsgNo rawno, HEADER_TOK_S *hdrtok, int no_fe
     return(retval);
 }
 
-
 /*
  * Put a string representing the subject into str. Idata tells us which
  * message we are referring to.
@@ -5261,10 +5281,11 @@ scorevalfrommsg(MAILSTREAM *stream, MsgNo rawno, HEADER_TOK_S *hdrtok, int no_fe
  *     strsize -- size of str buffer
  *      kwtype -- prepend keywords or kw initials before the subject
  *     opening -- add first text from body of message if there's room
+ *     shorten -- if on, shorten the subject.
  *         ice -- index cache entry for message
  */
 void
-subj_str(INDEXDATA_S *idata, char *str, size_t strsize, SubjKW kwtype, int opening, ICE_S *ice)
+subj_str(INDEXDATA_S *idata, char *str, size_t strsize, SubjKW kwtype, int opening, int shorten, ICE_S *ice)
 {
     char          *subject, *origsubj, *origstr, *rawsubj, *sptr = NULL;
     char          *p, *border, *q = NULL, *free_subj = NULL;
@@ -5327,6 +5348,8 @@ subj_str(INDEXDATA_S *idata, char *str, size_t strsize, SubjKW kwtype, int openi
      * to free it at the end of this routine.
      */
 
+    if(shorten)
+       shorten_subject(origsubj);
 
     /*
      * prepend_keyword will put the keyword stuff before the subject
diff --git a/pith/pine.hlp b/pith/pine.hlp
index 753983d4..3c731585 100644
--- a/pith/pine.hlp
+++ b/pith/pine.hlp
@@ -140,7 +140,7 @@ with help text for the config screen and the composer that didn't have any
 reasonable place to be called from.
 Dummy change to get revision in pine.hlp
 ============= h_revision =================
-Alpine Commit 193 2016-12-16 20:11:15
+Alpine Commit 194 2016-12-18 12:55:24
 ============= h_news =================
 <HTML>
 <HEAD>
@@ -199,6 +199,10 @@ Additions include:
        to 1.0.0c. This includes version 1.1.0. Alpine also builds with
        LibreSSL.
 
+  <LI> New SHORTSUBJECT, SHORTSUBJKEY and SHORTSUBJKEYINIT token for index 
+       format, which removes text in the SUBJECT between &quot;[&quot; and 
+       &quot;]&quot;.
+
   <LI> Alpine will include attachments when forwarding some 
        multipart/alternative messages for which it did not use to include 
        attachments.
@@ -19048,7 +19052,7 @@ and in the target of Filter Rules.
 <DT>SUBJECT</DT>
 <DD>
 This token represents the Subject the sender gave the message.
-Alternatives for use in the index screen are
+Alternatives for use in the index screen are SHORTSUBJECT,
 SUBJKEY, SUBJKEYINIT, SUBJECTTEXT, SUBJKEYTEXT, and SUBJKEYINITTEXT.
 You may color the subject text in the MESSAGE INDEX screen differently by using the
 <A HREF="h_config_index_subject_color">Index Subject Color</A> and the
@@ -19256,7 +19260,7 @@ to format the date string. It may end up formatting dates so that they look
 like DATEISO tokens, or SHORTDATE2 tokens, or something else entirely.
 The feature
 <A HREF="h_config_dates_to_local"><!--#echo var="FEAT_convert-dates-to-localtime"--></A>
-may have an affect on the values of these tokens.
+may have an effect on the values of these tokens.
 If you want more control you may use one of the following.
   <DL>
   <DT>SMARTDATE</DT> <DD>If the option
@@ -19289,7 +19293,7 @@ to format the date string. It may end up formatting dates so that they look
 like DATEISO tokens, or SHORTDATE2 tokens, or something else entirely.
 The feature
 <A HREF="h_config_dates_to_local"><!--#echo var="FEAT_convert-dates-to-localtime"--></A>
-may have an affect on the values of these tokens.
+may have an effect on the values of these tokens.
 The possible choices are:
   <DL>
   <DT>SMARTDATETIME</DT> <DD>If the option
@@ -19640,6 +19644,15 @@ the &quot;<!--#echo var="VAR_index-format"-->&quot; could slow down the
 display a little while Alpine collects the necessary information.
 </DD>
 
+<DT>SHORTSUBJECT</DT>
+<DD>
+This token is the same as SUBJECT, but 
+removes text between &quot;[&quot; and &quot;]&quot;. 
+Typically text enclosed between these characters corresponds to 
+mailing list names, and may be unnecessary or unwanted in some
+instances.
+</DD>
+
 <DT>SUBJKEY</DT>
 <DD>
 This token is the same as the SUBJECT token unless keywords are set for
diff --git a/pith/reply.c b/pith/reply.c
index 7ceb31f8..b89a8614 100644
--- a/pith/reply.c
+++ b/pith/reply.c
@@ -1704,6 +1704,33 @@ get_news_data(ENVELOPE *env, IndexColType type, char *buf, size_t maxlen)
     buf[orig_maxlen] = '\0';
 }
 
+void
+shorten_subject(char *origsubj)
+{ 
+  char *s, *t, *u;
+  int endlist = 0;
+
+  if(origsubj == NULL || *origsubj == '\0')
+    return;
+
+  for(t=s=origsubj; *s ; s++){
+    switch(*s){
+	/* this transforms "A [B [C] D" into "A D" should this be
+         * "A [B D"?
+         */ 
+	case '[' : if((u = strchr(s+1,']')) != NULL){ 
+			s = u; 
+			endlist = 1;
+		   }
+		   else
+			*t++ = *s;
+		   break;
+	case ' ' : if(endlist == 0) *t++ = *s; break;
+	default  : endlist = 0; *t++ = *s; break;
+    }
+  }
+  *t = '\0';
+}
 
 /*
  * Buf is at least size maxlen+1
@@ -1863,6 +1890,7 @@ get_reply_data(ENVELOPE *env, ACTION_S *role, IndexColType type, char *buf, size
 	break;
 
       case iSubject:
+      case iShortSubject:
 	if(env && env->subject){
 	    size_t n, len;
 	    unsigned char *p, *tmp = NULL;
@@ -1882,6 +1910,9 @@ get_reply_data(ENVELOPE *env, ACTION_S *role, IndexColType type, char *buf, size
 
 	    if(tmp)
 	      fs_give((void **)&tmp);
+
+	    if(type == iShortSubject)
+	      shorten_subject(buf);
 	}
 
 	break;
diff --git a/pith/reply.h b/pith/reply.h
index 067b3a8c..4b49ae17 100644
--- a/pith/reply.h
+++ b/pith/reply.h
@@ -104,6 +104,6 @@ char       *simple_read_remote_file(char *, char *);
 BODY	   *forward_multi_alt(MAILSTREAM *, ENVELOPE *, BODY *, long, char *, void *, gf_io_t, int);
 BODY	   *forward_multi_alt_mixed(MAILSTREAM *, ENVELOPE *, BODY *, long, char *, void *, gf_io_t, int);
 int	    same_subject(char *, char *s);
-
+void	    shorten_subject(char *);
 
 #endif /* PITH_REPLY_INCLUDED */