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## POST output

# Copyright (C) 1993-1995 Ian Jackson.

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2, or (at your option)

# any later version.

# It is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with GNU Emacs; see the file COPYING.  If not, write to

# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

# Boston, MA 02111-1307, USA.

# (Note: I do not consider works produced using these BFNN processing

# tools to be derivative works of the tools, so they are NOT covered

# by the GPL.  However, I would appreciate it if you credited me if

# appropriate in any documents you format using BFNN.)

sub post_init {

    open(POST,">$prefix.post");

}

sub post_startmajorheading {

    print POST '='x79,"\n\n";

    $post_status= 'h';

    &post_text($_[0] ? "Section $_[0].  " : '');

}

sub post_startminorheading {

    print POST '-'x77,"\n\n";

    $post_status= 'h';

}

sub post_italic { &post_text('*'); }

sub post_enditalic { $post_para .= '*'; }

sub post_email { &post_text('<'); } sub post_endemail { &post_text('>'); }

sub post_ftpon { } sub post_endftpon { }

sub post_ftpin { } sub post_endftpin { }

sub post_docref { } sub post_enddocref { }

sub post_courier { } sub post_endcourier { }

sub post_newsgroup { }  sub post_endnewsgroup { }

sub post_ftpsilent { $post_ignore++; }

sub post_endftpsilent { $post_ignore--; }

sub post_text {

    return if $post_ignore;

    if ($post_status eq '') {

        $post_status= 'p';

    }

    $post_para .= $_[0];

}

sub post_tab {

    local ($n) = $_[0]-length($post_para);

    $post_para .= ' 'x$n if $n>0;

}

sub post_newline {

    return unless $post_status eq 'p';

    &post_writepara;

}

sub post_writepara {

    local ($thisline, $thisword, $rest);

    for (;;) {

        last unless $post_para =~ m/\S/;

        $thisline= $post_indentstring;

        for (;;) {

            last unless $post_para =~ m/^(\s*\S+)/;

            unless (length($1) + length($thisline) < 75 ||

                    length($thisline) == length($post_indentstring)) {

                last;

            }

            $thisline .= $1;

            $post_para= $';

        }

        $post_para =~ s/^\s*//;

        print POST $thisline,"\n";

        $post_indentstring= $post_nextindent;

        last unless length($post_para);

    }

    $post_status= '';  $post_para= '';

}    

sub post_endpara {

    return unless $post_status eq 'p';

    &post_writepara;

    print POST "\n";

}

sub post_endheading {

    $post_para =~ s/\s*$//;

    print POST "$post_para\n\n";

    $post_status= '';

    $post_para= '';

}

sub post_endmajorheading { &post_endheading(@_); }

sub post_endminorheading { &post_endheading(@_); }

sub post_startverbatim {

    $post_vstatus= $post_status;

    &post_writepara;

}

sub post_verbatim {

    print POST $_[0],"\n";

}

sub post_endverbatim {

    $post_status= $post_vstatus;

}

sub post_finish {

    close(POST);

}

sub post_startindex { $post_status= ''; }

sub post_endindex { $post_status= 'p'; }

sub post_endindexitem {

    printf POST " %-11s %-.66s\n",$post_left,$post_para;

    $post_status= 'p';

    $post_para= '';

}

sub post_startindexitem {

    $post_left= $_[1];

}

sub post_startindexmainitem {

    $post_left= $_[1];

    print POST "\n" if $post_status eq 'p';

}

sub post_startindent {

    $post_istatus= $post_status;

    &post_writepara;

    $post_indentstring= "   $post_indentstring";

    $post_nextindent= "   $post_nextindent";

}

sub post_endindent {

    $post_indentstring =~ s/^   //;

    $post_nextindent =~ s/^   //;

    $post_status= $post_istatus;

}

sub post_startpackedlist { $post_plc=0; }

sub post_endpackedlist { &post_newline if !$post_plc; }

sub post_packeditem {

    &post_newline if !$post_plc;

    &post_tab($post_plc*40+5);

    $post_plc= !$post_plc;

}

sub post_startlist {

    &post_endpara;

    $post_indentstring= "  $post_indentstring";

    $post_nextindent= "  $post_nextindent";

}

sub post_endlist {

    &post_endpara;

    $post_indentstring =~ s/^  //;

    $post_nextindent =~ s/^  //;

}

sub post_item {

    &post_newline;

    $post_indentstring =~ s/  $/* /;

}

sub post_pageref {

    &post_text("Q$_[1] \`");

}

sub post_endpageref {

    &post_text("'");

}

1;