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- /* $Id: help.c,v 4.4.3.1 1992/02/01 03:09:32 sob PATCH_3 sob $
- *
- * $Log: help.c,v $
- * Revision 4.4.3.1 1992/02/01 03:09:32 sob
- * Release 4.4 Patchlevel 3
- *
- * Revision 4.4.2.1 1991/12/01 18:05:42 sob
- * Patchlevel 2 changes
- *
- * Revision 4.4 1991/09/09 20:18:23 sob
- * release 4.4
- *
- *
- *
- */
- /* This software is Copyright 1991 by Stan Barber.
- *
- * Permission is hereby granted to copy, reproduce, redistribute or otherwise
- * use this software as long as: there is no monetary profit gained
- * specifically from the use or reproduction of this software, it is not
- * sold, rented, traded or otherwise marketed, and this copyright notice is
- * included prominently in any copy made.
- *
- * The author make no claims as to the fitness or correctness of this software
- * for any use whatsoever, and it is provided as is. Any use of this software
- * is at the user's own risk.
- */
-
- #include "EXTERN.h"
- #include "common.h"
- #include "rn.h"
- #include "term.h"
- #include "INTERN.h"
- #include "help.h"
-
- void
- help_init()
- {
- ;
- }
-
- int
- help_page()
- {
- int cmd;
-
- #ifdef PAGERHELP
- doshell(sh,filexp(PAGERHELP));
- #else
- page_init();
- if ((cmd = print_lines("\
- Paging commands:\n\
- ",STANDOUT)) ||
- (cmd = print_lines("\n\
- SP Display the next page.\n\
- x Display the next page decrypted (rot13).\n\
- d Display half a page more.\n\
- CR Display one more line.\n\
- ^R,v,^X Restart the current article (v=verbose header, ^X=rot13).\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- b Back up one page.\n\
- ^L,X Refresh the screen (X=rot13).\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- t Display the entire article tree and all its subjects.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- g pat Go to (search forward within article for) pattern.\n\
- G Search again for current pattern within article.\n\
- ^G Search for next line beginning with \"Subject:\".\n\
- TAB Search for next line beginning with a different character.\n\
- q Quit the pager, go to end of article. Leave article read or unread.\n\
- j Junk this article (mark it read). Goes to end of article.\n\
- \n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- The following commands skip the rest of the current article, then behave\n\
- just as if typed to the 'What next?' prompt at the end of the article:\n\
- ",STANDOUT)) ||
- (cmd = print_lines("\n\
- n Scan forward for next unread article.\n\
- N Go to next article.\n\
- ^N Scan forward for next unread article with same title.\n\
- p,P,^P Same as n,N,^N, only going backwards.\n\
- - Go to previously displayed article.\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- <,> Browse the previous/next selected thread. If no threads are selected,\n\
- all threads that had unread news upon entry to the group are considered\n\
- selected for browsing. Entering an empty group browses all threads.\n\
- [,],{,} Go to parent/child/root/leaf in thread.\n\
- (,) Go to article's previous/next sibling.\n\
- \n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- The following commands also take you to the end of the article.\n\
- Type h at end of article for a description of these commands:\n\
- ",STANDOUT)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- # $ & / = ? c C f F k K ^K J , m M number e r R ^R s S u U v w W Y ^ |\n\
- \n\
- (To return to the middle of the article after one of these commands, type ^L.)\n\
- ",NOMARKING)) )
- #else
- (cmd = print_lines("\
- # $ & / = ? c C f F k K ^K m M number e r R ^R s S u v w W Y ^ |\n\
- \n\
- (To return to the middle of the article after one of these commands, type ^L.)\n\
- ",NOMARKING)) )
- #endif
- return cmd;
- #endif
- return 0;
- }
-
- int
- help_art()
- {
- int cmd;
- #ifdef ARTHELP
- doshell(sh,filexp(ARTHELP));
- #else
- page_init();
- if ((cmd = print_lines("\
- Article Selection commands:\n\
- ",STANDOUT)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\n\
- n,SP Find next unread article (follows discussion-tree in threaded groups).\n\
- ",NOMARKING)) ||
- #else
- (cmd = print_lines("\n\
- n,SP Scan forward for next unread article.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- N Go to next article.\n\
- ^N Scan forward for next unread article with same subject.\n\
- p,P,^P Same as n,N,^N, only going backwards.\n\
- - Go to previously displayed article.\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- <,> Browse the previous/next selected thread. If no threads are selected,\n\
- all threads that had unread news upon entry to the group are considered\n\
- selected for browsing. Entering an empty group browses all threads.\n\
- [,] Go to article's parent/child.\n\
- {,} Go to tree's root/leaf.\n\
- (,) Go to article's previous/next sibling.\n\
- t Display the entire article tree and all its subjects.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- number Go to specified article.\n\
- range{,range}:command{:command}\n\
- Apply one or more commands to one or more ranges of articles.\n\
- Ranges are of the form: number | number-number. You may use . for\n\
- the current article, and $ for the last article.\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- Valid commands are: e, j, m, M, s, S, t, T, |, +, and -.\n\
- :cmd Perform a command on all the selected articles.\n\
- ",NOMARKING)) ||
- #else
- (cmd = print_lines("\
- Valid commands are: e, j, m, M, s, S, and |.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- /pattern/modifiers\n\
- Scan forward for article containing pattern in the subject line.\n\
- (Use ?pat? to scan backwards; append h to scan headers, a to scan\n\
- entire articles, r to scan read articles, c to make case sensitive.)\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- /pattern/modifiers:command{:command}\n\
- Apply one or more commands to the set of articles matching pattern.\n\
- Use a K modifier to save entire command to the KILL file for this\n\
- newsgroup. Commands m and M, if first, imply an r modifier.\n\
- Valid commands are the same as for the range command.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- f,F Submit a followup article (F = include this article).\n\
- r,R Reply through net mail (R = include this article).\n\
- e dir{|command}\n\
- Extract to directory using /bin/sh, uudecode, unship, or command.\n\
- s ... Save to file or pipe via sh.\n\
- S ... Save via preferred shell.\n\
- w,W Like s and S but save without the header.\n\
- | ... Same as s|...\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- C Cancel this article, if yours.\n\
- ^R,v Restart article (v=verbose).\n\
- ^X Restart article, rot13 mode.\n\
- c Catch up (mark all articles as read).\n\
- b Back up one page.\n\
- ^L Refresh the screen. You can get back to the pager with this.\n\
- X Refresh screen in rot13 mode.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- ^ Go to first unread article. Disables subject search mode.\n\
- $ Go to end of newsgroup. Disables subject search mode.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("# Print last article number.\n\
- & Print current values of command-line switches.\n\
- &switch {switch}\n\
- Set or unset more switches.\n\
- && Print current macro definitions.\n\
- &&def Define a new macro.\n\
- j Junk this article (mark it read). Stays at end of article.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- m Mark article as still unread.\n\
- M Mark article as still unread upon exiting newsgroup or Y command.\n\
- Y Yank back articles marked temporarily read via M.\n\
- k Kill current subject (mark articles as read).\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- , Mark current article and its replies as read.\n\
- J Junk entire thread (mark all subjects as read in this thread).\n\
- T Trash current thread (like 'J'), and save command in KILL file.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- K Mark current subject as read, and save command in KILL file.\n\
- ^K Edit local KILL file (the one for this newsgroup).\n\
- = List subjects of unread articles.\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- + Enter thread selection mode.\n\
- U Unread some news -- prompts for thread, subthread, all, or select.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- u Unsubscribe from this newsgroup.\n\
- q Quit this newsgroup for now.\n\
- Q Quit newsgroup, staying at current newsgroup.\n\
- ",NOMARKING)) )
- return cmd;
- #endif
- return 0;
- }
-
- int
- help_ng()
- {
- int cmd;
- #ifdef NGHELP
- doshell(sh,filexp(NGHELP));
- #else
- page_init();
- if (cmd = print_lines("\
- Newsgroup Selection commands:\n\
- ",STANDOUT) )
- return cmd;
- if (ng != nextrcline) {
- if ((cmd = print_lines("\
- \n\
- y,SP Do this newsgroup now.\n\
- .cmd Do this newsgroup, executing cmd as first command.\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- + Enter this newsgroup through the thread selector (like typing .+<CR>).\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- = Start this newsgroup, but list subjects before reading articles.\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- U Enter this newsgroup by way of the \"Set unread?\" prompt.\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- u Unsubscribe from this newsgroup.\n\
- ",NOMARKING)) )
- return cmd;
- }
- if ((cmd = print_lines("\
- c Catch up (mark this newsgroup all read).\n\
- A Abandon read/unread changes to this newsgroup since you started trn.\n\
- \n\
- n Go to the next newsgroup with unread news.\n\
- N Go to the next newsgroup.\n\
- p Go to the previous newsgroup with unread news.\n\
- P Go to the previous newsgroup.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- - Go to the previously displayed newsgroup.\n\
- 1 Go to the first newsgroup.\n\
- ^ Go to the first newsgroup with unread news.\n\
- $ Go to the last newsgroup.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- g name Go to the named newsgroup. Subscribe to new newsgroups this way too.\n\
- /pat Search forward for newsgroup matching pattern.\n\
- ?pat Search backward for newsgroup matching pattern.\n\
- (Use * and ? style patterns. Append r to include read newsgroups.)\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- l pat List unsubscribed newsgroups containing pattern.\n\
- m name Move named newsgroup elsewhere (no name moves current newsgroup).\n\
- o pat Only display newsgroups matching pattern. Omit pat to unrestrict.\n\
- a pat Like o, but also scans for unsubscribed newsgroups matching pattern.\n\
- L List current .newsrc.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- & Print current command-line switch settings.\n\
- &switch {switch}\n\
- Set (or unset) more command-line switches.\n\
- && Print current macro definitions.\n\
- &&def Define a new macro.\n\
- !cmd Shell escape.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- q Quit trn.\n\
- x Quit, restoring .newsrc to its state at startup of trn.\n\
- ^K Edit the global KILL file. Use commands like /pattern/j to suppress\n\
- pattern in every newsgroup.\n\
- v Print version.\n\
- ",NOMARKING)) )
- return cmd;
- #endif
- #ifdef PUSHBACK
- if (cmd = get_anything())
- return cmd;
- show_macros();
- #endif
- return 0;
- }
-
- #ifdef ESCSUBS
- int
- help_subs()
- {
- int cmd;
- #ifdef SUBSHELP
- doshell(sh,filexp(SUBSHELP));
- #else
- page_init();
- if ((cmd = print_lines("\
- Valid substitutions are:\n\
- ",STANDOUT)) ||
- (cmd = print_lines("\
- \n\
- a Current article number\n\
- A Full name of current article (%P/%c/%a)\n\
- b Destination of last save command, often a mailbox\n\
- B Bytes to ignore at beginning of last saved article\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- c Current newsgroup, directory form\n\
- C Current newsgroup, dot form\n\
- d Full name of newsgroup directory (%P/%c)\n\
- D Distribution line from current article\n\
- e The last command executed to extract data from an article\n\
- E The last extraction directory\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- f Who the current article is from\n\
- F Newsgroups to followup to (from Newsgroups and Followup-To)\n\
- h (This help message)\n\
- H Host name (yours)\n\
- i Message-I.D. line from current article, with <>\n\
- I Reference indicator mark (see -F switch)\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- l News administrator's login name, if any\n\
- L Login name (yours)\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- m Current mode, first letter of (init,newsgroup,thread,article,pager,\n\
- unread,Add,Catchup,Delete-bogus,Mailbox,Resubscribe)\n\
- ",NOMARKING)) ||
- #else
- (cmd = print_lines("\
- m Current mode, first letter of (init, newsgroup, article, pager,\n\
- Add, Catchup, Delete bogus, Mailbox, Resubscribe)\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- M Number of article marked with M\n\
- n Newsgroups from current article\n\
- N Full name (yours)\n\
- o Organization (yours)\n\
- O Original working directory (where you ran trn from)\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- p Your private news directory (from -d)\n\
- P Public news spool directory\n\
- r Last reference (parent article id)\n\
- R References list for followup article\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- s Subject, with all Re's and (nf)'s stripped off\n\
- S Subject, with one Re stripped off\
- t New To line derived from From and Reply-To (Internet format)\n\
- T New To line derived from Path\n\
- u Number of unread articles\n\
- ",NOMARKING)) ||
- #ifdef USETHREADS
- (cmd = print_lines("\
- U Number of unread articles not counting the current article (when\n\
- threads are selected, the count only reflects selected articles)\n\
- v The number of extra (unselected) articles, not counting the current\n\
- one if it is unselected\n\
- w Mthreads' tmp directory\n\
- W Where thread files are saved\n\
- x News library directory\n\
- X Trn library directory\n\
- z Length of current article in bytes\n\
- Z Number of selected threads\n\
- ",NOMARKING)) ||
- #else
- (cmd = print_lines("\
- U Number of unread articles not counting the current article\n\
- x News library directory\n\
- X Trn library directory\n\
- z Length of current article in bytes\n\
- ",NOMARKING)) ||
- #endif
- (cmd = print_lines("\
- ~ Your home directory\n\
- . Directory containing . files\n\
- # A counter in multi-article saves\n\
- $ Current process number\n\
- / Last search string\n\
- ESC Run preceding command through % interpretation\n\
- ",NOMARKING)) )
- return cmd;
- #endif
- return 0;
- }
- #endif
-
- #ifdef USETHREADS
- int
- help_select()
- {
- int cmd;
-
- page_init();
- if ((cmd = print_lines("\
- Thread selection commands:\n\
- ",STANDOUT)) ||
- (cmd = print_lines("\n\
- a-z,0-9 Select/deselect the discussion thread by its letter or number. By\n\
- default the letters h, k, m, n, p, q and y are omitted.\n\
- SP Perform the default command (usually > or Z).\n\
- CR Start reading. Selects the current thread if none are selected.\n\
- Z,TAB Start reading. If no articles are selected, read everything.\n\
- y, '.' Toggle the current thread's selection.\n\
- k, ',' Mark the current thread as killed.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- m, \\ Unmark the current thread.\n\
- - Set a range, as in 2 - 5. Repeats the last marking action.\n\
- @ Toggle all visible thread selections.\n\
- n, ] Move down to the next thread.\n\
- p, [ Move up to the previous thread.\n\
- <, > Go to previous/next page.\n\
- ^, $ Go to first/last page.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- X Mark all unselected articles as read and start reading.\n\
- D Mark unselected articles on the current page as read. Start\n\
- reading if articles were selected, else go to next page.\n\
- J Junk all selected articles (mark them as read).\n\
- c Catch up -- marks ALL articles as read without chasing xrefs.\n\
- ^K Edit local KILL file (the one for this newsgroup).\n\
- :cmd Perform a command on all the selected articles.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- /pattern/modifiers\n\
- Scan all articles for a subject containing pattern.\n\
- (Append h to scan headers, a to scan entire articles, c to make case\n\
- sensitive, r to scan read articles (assumed when you are selecting\n\
- read articles to set unread.)\n\
- /pattern/modifiers:command{:command}\n\
- Apply one or more commands to the set of articles matching pattern.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- Use a K modifier to save entire command to the KILL file for this\n\
- newsgroup. Commands m and M, if first, imply an r modifier.\n\
- Valid commands are: e, E, j, m, M, s, S, t, T, !, =, ',' and the\n\
- thread selection commands: + and -.\n\
- N Leave this group as-is and go on to the next.\n\
- U Switch between selecting read/unread articles.\n\
- L Switch the current display mode between a terse mode without\n\
- authors and a short and long mode with authors.\n\
- ",NOMARKING)) ||
- (cmd = print_lines("\
- & View or set command line switches.\n\
- && View or set macro definitions.\n\
- !cmd Escape to a subshell.\n\
- q Quit selection mode.\n\
- Q Quit group and return to news group selection prompt for this group.\n\
- ",NOMARKING)) )
- return cmd;
- return 0;
- }
- #endif
-