Chris@42: ## Lout output
Chris@42: # Copyright (C) 1993-1995 Ian Jackson.
Chris@42: 
Chris@42: # This file is free software; you can redistribute it and/or modify
Chris@42: # it under the terms of the GNU General Public License as published by
Chris@42: # the Free Software Foundation; either version 2, or (at your option)
Chris@42: # any later version.
Chris@42: 
Chris@42: # It is distributed in the hope that it will be useful,
Chris@42: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@42: # GNU General Public License for more details.
Chris@42: 
Chris@42: # You should have received a copy of the GNU General Public License
Chris@42: # along with GNU Emacs; see the file COPYING.  If not, write to
Chris@42: # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Chris@42: # Boston, MA 02111-1307, USA.
Chris@42: 
Chris@42: # (Note: I do not consider works produced using these BFNN processing
Chris@42: # tools to be derivative works of the tools, so they are NOT covered
Chris@42: # by the GPL.  However, I would appreciate it if you credited me if
Chris@42: # appropriate in any documents you format using BFNN.)
Chris@42: 
Chris@42: sub lout_init {
Chris@42:     open(LOUT,">$prefix.lout");
Chris@42:     chop($dprint= `date '+%d %B %Y'`);
Chris@42:     $dprint =~ s/^0//;
Chris@42: }
Chris@42: 
Chris@42: sub lout_startup {
Chris@42:     local ($lbs) = &lout_sanitise($user_brieftitle);
Chris@42:     print LOUT <<END;
Chris@42: \@SysInclude{ fontdefs }
Chris@42: \@SysInclude{ langdefs }
Chris@42: \@SysInclude{ dl }
Chris@42: \@SysInclude{ docf }
Chris@42: \@Use { \@DocumentLayout
Chris@42:   \@OddTop { \@Null }
Chris@42:   \@EvenTop { \@Null }
Chris@42:   \@StartOddTop { \@Null }
Chris@42:   \@StartEvenTop { \@Null }
Chris@42:   \@OddFoot { { $lbs } \@Centre{ - \@PageNum - } \@Right{ $dprint } }
Chris@42:   \@EvenFoot { { $lbs } \@Centre{ - \@PageNum - } \@Right{ $dprint } }
Chris@42:   \@StartOddFoot { { $lbs } \@Centre{ - \@PageNum - } \@Right{ $dprint } }
Chris@42:   \@StartEvenFoot { { $lbs } \@Centre{ - \@PageNum - } \@Right{ $dprint } }
Chris@42:   \@ParaGap { 1.70vx }
Chris@42:   \@InitialBreak { 1.0fx ragged hyphen }
Chris@42: }
Chris@42: \@Use { \@OrdinaryLayout }
Chris@42: END
Chris@42:     $lout_textstatus= 'p';
Chris@42: }
Chris@42: 
Chris@42: sub lout_pageref {
Chris@42:     print LOUT "Q$_[1] (page {\@PageOf{$_[0]}}) ";
Chris@42:     &lout_text("\`");
Chris@42: }
Chris@42: 
Chris@42: sub lout_endpageref {
Chris@42:     &lout_text("'");
Chris@42: }
Chris@42: 
Chris@42: sub lout_finish {
Chris@42:     print LOUT "\@End \@Text\n";
Chris@42:     close(L);
Chris@42: }
Chris@42: 
Chris@42: sub lout_startmajorheading {
Chris@42:     $lout_styles .= 'h';
Chris@42:     print LOUT <<END
Chris@42: \@CNP
Chris@42: {
Chris@42:   newpath   0  ysize 0.3 ft sub  moveto
Chris@42:             xsize  0  rlineto
Chris@42:             0  0.2 ft  rlineto
Chris@42:             xsize neg  0  rlineto
Chris@42:   closepath fill
Chris@42: } \@Graphic { //1.6f \@HAdjust \@Heading{
Chris@42: END
Chris@42:     ;
Chris@42:     $endh= "}\n{\@PageMark s_$_[0]}\n/1.0fo\n";
Chris@42:     &lout_text($_[0] ? "Section $_[0].  " : '');
Chris@42: }
Chris@42: 
Chris@42: sub lout_startminorheading {
Chris@42:     $lout_styles .= 'h';
Chris@42:     print LOUT "//0.2f \@CNP {\@PageMark $_[0]} \@Heading{\n";
Chris@42:     $endh= '';
Chris@42: }
Chris@42: 
Chris@42: sub lout_endheading {
Chris@42:     $lout_styles =~ s/.$//; print LOUT "}\n$endh";
Chris@42:     $lout_status= 'p';
Chris@42: }
Chris@42: 
Chris@42: sub lout_endmajorheading { &lout_endheading(@_); }
Chris@42: sub lout_endminorheading { &lout_endheading(@_); }
Chris@42: 
Chris@42: sub lout_courier {
Chris@42:     $lout_styles .= 'f';
Chris@42:     print LOUT "{{0.7 1.0} \@Scale {Courier Bold} \@Font {";
Chris@42: }
Chris@42: 
Chris@42: sub lout_endcourier {
Chris@42:     $lout_styles =~ s/.$//; print LOUT "}}";
Chris@42: }
Chris@42: 
Chris@42: sub lout_italic { $lout_styles .= 'f'; print LOUT "{Slope \@Font {"; }
Chris@42: sub lout_enditalic { $lout_styles =~ s/.$//; print LOUT "}}"; }
Chris@42: 
Chris@42: sub lout_startindent { $lout_styles .= 'i'; print LOUT "\@IndentedDisplay {\n"; }
Chris@42: 
Chris@42: sub lout_endindent {
Chris@42:     &lout_endpara;
Chris@42:     $lout_styles =~ s/.$//; print LOUT "}\n\@LP\n";
Chris@42: }
Chris@42: 
Chris@42: sub lout_startpackedlist { $lout_plc=-1; }
Chris@42: sub lout_endpackedlist { &lout_newline if !$lout_plc; }
Chris@42: sub lout_packeditem {
Chris@42:     &lout_newline if !$lout_plc;
Chris@42:     &lout_tab(($lout_plc>0)*40+5);
Chris@42:     $lout_plc= !$lout_plc;
Chris@42: }
Chris@42: 
Chris@42: sub lout_startlist {
Chris@42:     &lout_endpara;
Chris@42:     print LOUT "\@RawIndentedList style {\@Bullet} indent {0.5i} gap {1.1vx}\n";
Chris@42:     $lout_styles .= 'l';
Chris@42:     $lout_status= '';
Chris@42: }
Chris@42: 
Chris@42: sub lout_endlist {
Chris@42:     &lout_endpara;
Chris@42:     print LOUT "\@EndList\n\n";
Chris@42:     $lout_styles =~ s/.$//;
Chris@42: }
Chris@42: 
Chris@42: sub lout_item {
Chris@42:     &lout_endpara;
Chris@42:     print LOUT "\@ListItem{";
Chris@42:     $lout_styles.= 'I';
Chris@42: }
Chris@42: 
Chris@42: sub lout_startindex {
Chris@42:     print LOUT "//0.0fe\n";
Chris@42: }
Chris@42: 
Chris@42: sub lout_endindex {
Chris@42:     $lout_status='p';
Chris@42: }
Chris@42: 
Chris@42: sub lout_startindexmainitem {
Chris@42:     $lout_marker= $_[0];
Chris@42:     $lout_status= '';
Chris@42:     print LOUT "//0.3vx Bold \@Font \@HAdjust { \@HContract { { $_[1] } |3cx {";
Chris@42:     $lout_iiendheight= '1.00';
Chris@42:     $lout_styles .= 'X';
Chris@42: }
Chris@42: 
Chris@42: sub lout_startindexitem {
Chris@42:     $lout_marker= $_[0];
Chris@42:     print LOUT "\@HAdjust { \@HContract { { $_[1] } |3cx {";
Chris@42:     $lout_iiendheight= '0.95';
Chris@42:     $lout_styles .= 'X';
Chris@42: }
Chris@42: 
Chris@42: sub lout_endindexitem {
Chris@42:     print LOUT "} } |0c \@PageOf { $lout_marker } } //${lout_iiendheight}vx\n";
Chris@42:     $lout_styles =~ s/.$//;
Chris@42: }
Chris@42: 
Chris@42: sub lout_email { &lout_courier; &lout_text('<'); }
Chris@42: sub lout_endemail { &lout_text('>'); &lout_endcourier; }
Chris@42: 
Chris@42: sub lout_ftpon { &lout_courier; }  sub lout_endftpon { &lout_endcourier; }
Chris@42: sub lout_ftpin { &lout_courier; }  sub lout_endftpin { &lout_endcourier; }
Chris@42: sub lout_docref { }  sub lout_enddocref { }
Chris@42: sub lout_ftpsilent { $lout_ignore++; }
Chris@42: sub lout_endftpsilent { $lout_ignore--; }
Chris@42: 
Chris@42: sub lout_newsgroup { &lout_courier; }
Chris@42: sub lout_endnewsgroup { &lout_endcourier; }
Chris@42: 
Chris@42: sub lout_text {
Chris@42:     return if $lout_ignore;
Chris@42:     $lout_status= 'p';
Chris@42:     $_= &lout_sanitise($_[0]);
Chris@42:     s/ $/\n/ unless $lout_styles =~ m/[fhX]/;
Chris@42:     print LOUT $_;
Chris@42: }
Chris@42: 
Chris@42: sub lout_tab {
Chris@42:     local ($size) = $_[0]*0.5;
Chris@42:     print LOUT " |${size}ft ";
Chris@42: }
Chris@42: 
Chris@42: sub lout_newline {
Chris@42:     print LOUT " //1.0vx\n";
Chris@42: }
Chris@42: 
Chris@42: sub lout_sanitise {
Chris@42:     local ($in) = @_;
Chris@42:     local ($out);
Chris@42:     $in= ' '.$in.' ';
Chris@42:     $out='';
Chris@42:     while ($in =~ m/(\s)(\S*[\@\/|\\\"\^\&\{\}\#]\S*)(\s)/) {
Chris@42:         $out .= $`.$1;
Chris@42:         $in = $3.$';
Chris@42:         $_= $2;
Chris@42:         s/[\\\"]/\\$&/g;
Chris@42:         $out .= '"'.$_.'"';
Chris@42:     }
Chris@42:     $out .= $in;
Chris@42:     $out =~ s/^ //;  $out =~ s/ $//;
Chris@42:     $out;
Chris@42: }
Chris@42: 
Chris@42: sub lout_endpara {
Chris@42:     return if $lout_status eq '';
Chris@42:     if ($lout_styles eq '') {
Chris@42:         print LOUT "\@LP\n\n";
Chris@42:     } elsif ($lout_styles =~ s/I$//) {
Chris@42:         print LOUT "}\n";
Chris@42:     }
Chris@42:     $lout_status= '';
Chris@42: }
Chris@42: 
Chris@42: sub lout_startverbatim {
Chris@42:     print LOUT "//0.4f\n\@RawIndentedDisplay lines \@Break".
Chris@42:                " { {0.7 1.0} \@Scale {Courier Bold} \@Font {\n";
Chris@42: }
Chris@42: 
Chris@42: sub lout_verbatim {
Chris@42:     $_= $_[0];
Chris@42:     s/^\s*//;
Chris@42:     print LOUT &lout_sanitise($_),"\n";
Chris@42: }
Chris@42: 
Chris@42: sub lout_endverbatim { print LOUT "}\n}\n//0.4f\n"; }
Chris@42: 
Chris@42: 1;