File: cvthelp.tpu

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!	TITLE	CVTHELP.TPU
!	IDENT	01-000
!
!++
!
!  Program:	CVTHELP.TPU
!
!  Author:	Hunter Goatley
!
!  Date:	January 12, 1992
!
!  Purpose:	Convert .HELP files to RUNOFF .RNH files.  Substitutes
!		RUNOFF commands for tags imbedded in the .HELP file.
!
!  Calling sequence:
!
!	$ EDIT/TPU/NOJOURNAL/NODISPLAY/COMMAND=CVTHELP file.HELP
!
!  Modified by:
!
!	01-000		Hunter Goatley		 12-JAN-1992 15:15
!		Original version.
!
!--
Procedure eve_convert_help
Local	temp
	,x
	;

   qualifier_level := 0;
   hg$substitute_topic(current_buffer, "<MAIN>", ".indent-3", "1");
   hg$substitute_topic(current_buffer, "<QUALIFIER>", ".sk;.indent-3", "");
   hg$substitute_topic(current_buffer, "<TOPIC>", ".indent-3", "2");
   hg$substitute_topic(current_buffer, "<SUBTOPIC>", ".indent-3", "3");
   hg$substitute_topic(current_buffer, "<SUBSUBTOPIC>", ".indent-3", "4");
   hg$substitute_comment(current_buffer,"<QUALIFIERS>",".indent-3;2 Qualifiers");
   hg$substitute_comment(current_buffer,"<PARAMETER>",".indent-2");
   hg$substitute_comment(current_buffer,"<PTEXT>",".lm+3");
   hg$substitute_comment(current_buffer,"<TXETP>",".lm-3");
   hg$substitute_comment(current_buffer,"<ETEXT>",".lm+4");
   hg$substitute_comment(current_buffer,"<TXETE>",".lm-4");
   hg$substitute_comment(current_buffer,"<INIT>",".noflags;.lm3;.rm70");
   hg$substitute_comment(current_buffer,"<LITERAL>",".lm+4;.literal");
   hg$substitute_comment(current_buffer,"<LARETIL>",".end literal;.lm-4");
   hg$substitute_comment(current_buffer,"<DOT1LIST>",'.list 1,"o"');
   hg$substitute_comment(current_buffer,"<DOT0LIST>",'.list 0,"o"');
   hg$substitute_comment(current_buffer,"<ENTRY>",".le");
   hg$substitute_comment(current_buffer,"<TSIL>",".end list");
   hg$substitute_comment(current_buffer,"<CENTER>",".center");
   hg$substitute_comment(current_buffer,"<FORMAT>",".sk;.indent2");
   hg$substitute_comment(current_buffer,"<NOTE>",".note");
   hg$substitute_comment(current_buffer,"<ETON>",".end note");
   hg$substitute_comment(current_buffer, LINE_BEGIN & LINE_END,".sk");
   hg$substitute_comment(current_buffer, LINE_BEGIN & "|", "");

EndProcedure;		! eve_convert_help

Procedure hg$substitute_comment (the_buffer, target, new)
Local	temp
	,save_pos
	,x
	;
  on_error;
  endon_error;

  save_pos := mark(none);
  position(beginning_of(the_buffer));
  loop
	x := search(target, forward);
	exitif x = 0;
	position (x);
	erase_character(length(x));
	copy_text(new);
  endloop;

  position(save_pos);

EndProcedure;		! hg$substitute_comment

Procedure hg$substitute_topic (the_buffer, target, new, level)
Local	temp
	,save_pos
	,x
	;
  on_error;
  endon_error;

  save_pos := mark(none);
  position(beginning_of(the_buffer));
  loop
	x := search(target, forward);
	exitif x = 0;
	position (x);
	erase_character(length(x));
	move_vertical(-1);
	if (length(current_line) = 0)
	then copy_text("|");
	endif;
	move_vertical(1);
	copy_text(".!------------------------------------------------------");
	split_line;
	copy_text(new);
	move_horizontal(-current_offset);
	move_vertical(1);
	if level <> "" then
		copy_text(level + " ");
!	else
!	    if qualifier_level = 0
!	    then
!	        copy_text("2 Qualifiers");
!		split_line; split_line;
!		copy_text(new); split_line;
!		qualifier_level := 1;
!	    endif;
	endif;
	move_horizontal(-current_offset);
	move_vertical(1);
	if length(current_line) = 0
	then
	    if (target = "<MAIN>") OR (target = "<TOPIC>")
		OR (target = "<SUBTOPIC>") or (target = "<SUBSUBTOPIC>")
	    then copy_text(".br");
	    else copy_text(".sk");
	    endif;
	endif;
  endloop;

  position(save_pos);

EndProcedure;		! hg$substitute_topic

!===============================================================================
Procedure tpu$init_procedure
Local	temp
	,orig_filespec
	,f
	;

   on_error
   endon_error;

 !Prompt user for information

  orig_filespec := get_info(command_line, "file_name");
  if orig_filespec = ""
  then
	message("No .HELP file given");
	quit;
  endif;
  f := file_parse(orig_filespec, ".HELP");		!Add .LIS ending

    ! Create a buffer and window for editing

  main_buf := create_buffer ("MAIN",f);
  set (eob_text, main_buf, "[End of buffer]");

  position (beginning_of(main_buf));

  eve_convert_help;

  f := file_parse(orig_filespec,"","",NAME);

  write_file (main_buf, f+".RNH");

 quit;
EndProcedure;		!TPU$INIT_PROCEDURE

tpu$init_procedure;