--- loncom/homework/randomlabel.pm 2001/08/29 19:48:26 1.2
+++ loncom/homework/randomlabel.pm 2005/03/02 22:26:36 1.65
@@ -1,151 +1,426 @@
# The LearningOnline Network with CAPA
# random labelling tool
-# 7/20/2001 Isaac Tsai
-# 8/10/2001 Isaac Tsai
+#
+# $Id: randomlabel.pm,v 1.65 2005/03/02 22:26:36 raeburn Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA 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 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA 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 LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+# 7/20/2001 Isaac Tsai, initial syntax
+# 8/10/2001 Isaac Tsai,
+# 8/30/2001 Isaac Tsai,
# SYNTAX:
-# <randomlabel bgimg=URL code=JAVACLASS codebase=URL width=12 height=45>
-# <labelgroup name=GroupOne type=image>
-# <location x=123 y=456 />
-# <location x=321 y=654 />
-# <location x=213 y=546 />
-# <label>IMG-URL</label>
-# <label>IMG-URL</label>
-# <label>IMG-URL</label>
+# <randomlabel bgimg="URL" width="12" height="45" texwidth="50">
+# <labelgroup name="GroupOne" type="image">
+# <location x="123" y="456" />
+# <location x="321" y="654" />
+# <location x="213" y="546" />
+# <label description="TEXT-1">IMG-URL</label>
+# <label description="TEXT-2">IMG-URL</label>
+# <label description="TEXT-3">IMG-URL</label>
# </labelgroup>
-# <labelgroup name=GroupTwo type=text>
-# <location x=12 y=45 />
-# <location x=32 y=65 />
-# <location x=21 y=54 />
-# <label>TEXT</label>
-# <label>TEXT</label>
-# <label>TEXT</label>
+# <labelgroup name="GroupTwo" type="text">
+# <location x="12" y="45" />
+# <location x="32" y="65" />
+# <location x="21" y="54" />
+# <label>TEXT-1</label>
+# <label>TEXT-2</label>
+# <label>TEXT-3</label>
# </labelgroup>
# </randomlabel>
# ===========================================
-# location (123,456): $GroupOne[1] = ...
-# (321,654): $GroupOne[2] = ...
-# (213,546): $GroupOne[3] = ...
-# location (12,45) : $GroupOne[1] = ...
-# (321,654): $GroupOne[2] = ...
-# (213,546): $GroupOne[3] = ...
+# side effect:
+# location (123,456): $GroupOne[0] = 2 # images give out indexes
+# (321,654): $GroupOne[1] = 1
+# (213,546): $GroupOne[2] = 0
+# location (12,45) : $GroupTwo[0] = "TEXT-3"
+# (32,65) : $GroupTwo[1] = "TEXT-1"
+# (21,54) : $GroupTwo[2] = "TEXT-2"
# ===========================================
package Apache::randomlabel;
+use Apache::lonnet;
use strict;
+use Apache::edit;
+use Apache::File();
+use Apache::Constants qw(:common :http);
-sub BEGIN {
- &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));
+my %args;
+my $cgi_id;
+
+BEGIN {
+ &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label','bgimg'));
+}
+
+sub check_int {
+ # utility function to do error checking on a integer.
+ my ($num,$default) = @_;
+ $default = 100 if (! defined($default));
+ $num =~ s/\s+//g; # We dont need no stinkin white space!
+ # If it is a real, just grab the integer part.
+ ($num,undef) = split (/\./,$num) if ($num =~ /\./);
+ # set to default if what we have left doesn't match anything...
+ $num = $default unless ($num =~/^\d+$/);
+ return $num;
}
+my ($height_param,$width_param);
sub start_randomlabel {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $result='';
- my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
- my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);
- my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);
- my $w= &Apache::lonxml::get_param('width',$parstack,$safeeval);
- my $h= &Apache::lonxml::get_param('height',$parstack,$safeeval);
-
- $result.="<applet code=$code codebase=$codebase width=\"$w\" height=\"$h\">";
- $result.="<param name=\"bgimg\" value=\"$bgimg\">";
- if ($target eq 'edit') {
- }
- if ($target eq 'modified') {
- }
- return $result;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ push (@Apache::lonxml::namespace,'randomlabel');
+ ($height_param,$width_param)=(0,0);
+ my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
+ if ( defined($bgimg) && $bgimg !~ /^http:/ ) {
+ $bgimg=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$bgimg);
+ if (&Apache::lonnet::repcopy($bgimg) ne 'OK') {
+ $bgimg='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif';
+ }
+ }
+ $Apache::randomlabel::obj_cnt=0;
+ if ($target eq 'web') {
+ $cgi_id=&Apache::loncommon::get_cgi_id();
+ %args=();
+ $args{"cgi.$cgi_id.BGIMG"}=&Apache::lonnet::escape($bgimg);
+ } elsif ($target eq 'tex' && defined($bgimg)) {
+ $result.=&make_eps_image($bgimg,$parstack,$safeeval);
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::tag_start($target,$token);
+ $Apache::edit::bgimgsrc=
+ &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
+ $Apache::edit::bgimgsrccurdepth=$Apache::lonxml::curdepth;
+ $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';
+ $result.=&Apache::edit::browse('bgimg').' ';
+ $result.=&Apache::edit::search('bgimg').'<br />'.
+ &Apache::edit::text_arg('Width(pixel):' ,'width' ,$token,6).
+ &Apache::edit::text_arg('Height(pixel):','height' ,$token,6).
+ &Apache::edit::text_arg('TeXWidth(mm):' ,'texwidth',$token,6).
+ &Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'bgimg','width',
+ 'height','texwidth');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ $result.=&Apache::edit::handle_insert();
+ }
+ }
+ return $result;
}
sub end_randomlabel {
- return '</applet><BR />';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ my $count;
+ pop @Apache::lonxml::namespace;
+ if ($target eq 'web') {
+ $count = $Apache::randomlabel::obj_cnt;
+ if( $count != 0) { $args{"cgi.$cgi_id.OBJCOUNT"}=$count; }
+ $result.='<img src="/adm/randomlabel.png?token='.$cgi_id.'" /><br />'."\n";
+ &Apache::lonnet::appenv(%args);
+ } elsif ($target eq 'tex') {
+ $result='\end{picture}\\\\';
+ $result.= ' \vskip -'.$height_param.' mm } \\\\ ';
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::end_table;
+ }
+ return $result;
+}
+
+sub start_bgimg {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
+ &Apache::lonxml::startredirection();
+ }
+ return $result;
+}
+
+sub end_bgimg {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
+ my $bgimg=&Apache::lonxml::endredirection();
+ if ($target eq 'web') {
+ $bgimg=&Apache::imageresponse::clean_up_image($bgimg);
+ $args{"cgi.$cgi_id.BGIMG"}=&Apache::lonnet::escape($bgimg);
+ } elsif ($target eq 'tex') {
+ $result.=&make_eps_image($bgimg,$parstack,$safeeval,-2);
+ }
+ }
+ return $result;
+}
+
+sub make_eps_image {
+ my ($bgimg,$parstack,$safeeval,$depth)=@_;
+ my ($path,$file) = &Apache::londefdef::get_eps_image($bgimg);
+ ($height_param,$width_param)=
+ &Apache::londefdef::image_size($bgimg,0.3,$parstack,$safeeval,
+ $depth,1);
+ my $dirtywidth=$width_param+5;
+ my $result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.
+ ' mm}{ \noindent \epsfxsize='.$width_param.
+ ' mm \epsffile{'.$path.$file.
+ '}\setlength{\unitlength}{1mm} \begin{picture}('.
+ $width_param.','.$height_param.')(0,-'.$height_param.')';
+ return $result;
}
sub start_labelgroup {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $result='';
- my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
- my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
- $type =~tr/A-Z/a-z/;
- $Apache::randomlabel::groupname=$name;
- $Apache::randomlabel::type=$type;
- @Apache::randomlabel::xcoord = ();
- @Apache::randomlabel::ycoord = ();
- @Apache::randomlabel::label_arr = ();
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
+ my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
+ $type =~tr/A-Z/a-z/;
+ if ($target ne 'modified' && ($name =~ /\W/ || $name =~ /^[0-9]/)) {
+ &Apache::lonxml::error("Only _ a-z A-Z and 0-9 are allowed in the name to a labelgroup, and the first character can not be a number.<br />");
+ }
+ if ($target eq 'web' || $target eq 'tex' ||
+ $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') {
+ $Apache::randomlabel::groupname=$name;
+ $Apache::randomlabel::type=$type;
+ @Apache::randomlabel::xcoord = ();
+ @Apache::randomlabel::ycoord = ();
+ @Apache::randomlabel::value = ();
+ @Apache::randomlabel::label_arr = ();
+ @Apache::randomlabel::decription = ();
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::tag_start($target,$token);
+ $result.=&Apache::edit::text_arg('Name:','name',$token).
+ &Apache::edit::select_arg('Type:','type',['text','image'],$token);
+ if (!defined($token->[2]{'TeXsize'})) {
+ $token->[2]{'TeXsize'}='\normalsize';
+ }
+ $result.=&Apache::edit::select_arg('TeX font size:','TeXsize',
+ ['\tiny','\scriptsize',
+ '\footnotesize','\small',
+ '\normalsize','\large','\Large',
+ '\LARGE','\huge','\Huge'],
+ $token);
+ $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'name','type',
+ 'TeXsize');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ $result.=&Apache::edit::handle_insert();
+ }
+ }
+ return $result;
+}
+
+sub add_vars {
+ my ($name,$order,$label,$labelorder,$value,$image,$safeeval) = @_;
+ if (!defined($name) || $name eq '') { return; }
+ my $code = '${'.$name."}{'".($order+1)."'}='".$label."';";
+ my $out=Apache::run::run($code,$safeeval);
+ if ($value) {
+ $code = '${'.$name."}{'value_".($order+1)."'}='".$value."';";
+ $out=Apache::run::run($code,$safeeval);
+ $code = '${'.$name."}{'labelvalue_".($labelorder+1)."'}='".$value."';";
+ $out=Apache::run::run($code,$safeeval);
+ }
+ if ($image) {
+ my $code = '${'.$name."}{'image_".($order+1)."'}='".$image."';";
+ my $out=Apache::run::run($code,$safeeval);
+ }
+ $code = '${'.$name."}{'numlocations'}='".($order+1)."';";
+ $out=Apache::run::run($code,$safeeval);
}
# begin to assign labels to locations
sub end_labelgroup {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $gname = $Apache::randomlabel::groupname;
- my $count = $#Apache::randomlabel::label_arr + 1;
- my $type = $Apache::randomlabel::type;
- my $code;
- my $out;
- my $label;
- my $x;
- my $y;
- my $text;
- my $str;
- my $xstr;
- my $ystr;
-
- if( $type eq 'text') {
- $text= "<param name=\"count\" value=\"$count\">";
- $str = 'LB';
- $xstr = 'X';
- $ystr = 'Y';
- }
- if( $type eq 'image') {
- $text= "<param name=\"icount\" value=\"$count\">";
- $str = 'IMG';
- $xstr = 'IX';
- $ystr = 'IY';
- }
- my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
- &Apache::structuretags::shuffle(\@idx_arr);
- for(0 .. $#Apache::randomlabel::label_arr) {
- $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";
- $x = pop @Apache::randomlabel::xcoord;
- $y = pop @Apache::randomlabel::ycoord;
- $text .= "<param name=\"" . $str . $_ . "\" value=\"$label\">";
- $text .= "<param name=\"" . $xstr . $_ . "\" value=\"$x\"> ";
- $text .= "<param name=\"" . $ystr . $_ . "\" value=\"$y\">";
- $code = "push(\@$gname, $label);" ;
- $out=Apache::run::run($code,$safeeval);
- }
-
- return $text;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $gname = $Apache::randomlabel::groupname;
+ my $type = $Apache::randomlabel::type;
+ my $result='';
+ if ($target eq 'web' || $target eq 'answer' || $target eq 'grade' ||
+ $target eq 'analyze') {
+ my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
+ &Apache::structuretags::shuffle(\@idx_arr);
+ for(0 .. $#Apache::randomlabel::label_arr) {
+ my $str;
+ my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";
+ my $x = $Apache::randomlabel::xcoord[$_];
+ my $y = $Apache::randomlabel::ycoord[$_];
+ my $value = $Apache::randomlabel::value[$_];
+ my $i=$Apache::randomlabel::obj_cnt++;
+ if( $type eq 'text') {
+ &add_vars($gname,$_,$label,$idx_arr[$_],$value,'',$safeeval);
+ $str = join(':',$x,$y,&Apache::lonnet::escape($label));
+ $args{"cgi.$cgi_id.OBJTYPE"}.='LABEL:';
+ } elsif ( $type eq 'image') {
+ &add_vars($gname,$_,
+ $Apache::randomlabel::description[$idx_arr[$_]],
+ $idx_arr[$_],$value,$label,$safeeval);
+ $str = join(':',$x,$y,&Apache::lonnet::escape($label));
+ $args{"cgi.$cgi_id.OBJTYPE"}.='IMAGE:';
+ } else {
+ &Apache::lonxml::error('Unknown type of label :'.$type.':');
+ }
+ if ($target eq 'web') { $args{"cgi.$cgi_id.OBJ$i"} =$str; }
+ }
+ } elsif ($target eq 'tex') {
+ my $WX1=0; # Web x-coord. of upper left corner (ULC)
+ my $WY1=0; # Web y-coord. of (ULC)
+ my $wwidth=&Apache::lonxml::get_param('width',$parstack,$safeeval,-2);
+ my $wheight=&Apache::lonxml::get_param('height',$parstack,$safeeval,-2);
+ my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
+ if (!defined($TeXsize)) { $TeXsize='\\normalsize'; }
+
+ my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
+ &Apache::structuretags::shuffle(\@idx_arr);
+
+ &Apache::lonxml::debug("Array is:".$#Apache::randomlabel::label_arr.":");
+ for(my $i=0;$i <= $#Apache::randomlabel::label_arr; $i++) {
+ my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$i] ]";
+ my $x = $Apache::randomlabel::xcoord[$i];
+ # FIXME the 3.5 here is the 'height' of the letter in TeX
+ my $y = $Apache::randomlabel::ycoord[$i]-3.5;
+ my $value = $Apache::randomlabel::value[$i];
+ #x latex coordinate
+ my $tcX=($x)*($width_param/$wwidth);
+ #y latex coordinate
+ # my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 );
+ my $tcY=$height_param-$y*($height_param/$wheight);
+ $tcX=sprintf('%.2f',$tcX);
+ $tcY=sprintf('%.2f',$tcY);
+ $result.='\put('.$tcX.','.$tcY.'){'.$TeXsize.' \bf '.$label.'}'."\n";
+ if( $type eq 'text') {
+ &add_vars($gname,$i,$label,$idx_arr[$i],$value,'',$safeeval);
+ } elsif ( $type eq 'image') {
+ &add_vars($gname,$i,
+ $Apache::randomlabel::description[$idx_arr[$i]],
+ $idx_arr[$i],$value,$label,$safeeval);
+ } else {
+ &Apache::lonxml::error('Unknown type of label :'.$type.':');
+ }
+ }
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::end_table;
+ }
+ return $result;
}
-# <location x=123 y=456 />
+# <location x="123" y="456" value="some value"/>
sub start_location {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $x= &Apache::lonxml::get_param('x',$parstack,$safeeval);
- my $y= &Apache::lonxml::get_param('y',$parstack,$safeeval);
-
- push(@Apache::randomlabel::xcoord,$x);
- push(@Apache::randomlabel::ycoord,$y);
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $x= &check_int(&Apache::lonxml::get_param('x',$parstack,$safeeval),50);
+ my $y= &check_int(&Apache::lonxml::get_param('y',$parstack,$safeeval),50);
+ my $value= &Apache::lonxml::get_param('value',$parstack,$safeeval);
+ my $result='';
+ push(@Apache::randomlabel::xcoord,$x);
+ push(@Apache::randomlabel::ycoord,$y);
+ push(@Apache::randomlabel::value,$value);
+ if ($target eq 'edit') {
+ $result.=&Apache::edit::tag_start($target,$token);
+ $result.=&Apache::edit::text_arg('X:','x',$token,4).
+ &Apache::edit::text_arg('Y:','y',$token,4).
+ &Apache::edit::entercoords('x','y','attribute','width','height').' '.
+ &Apache::edit::text_arg('Value:','value',$token).
+ &Apache::edit::end_row();
+ $result.=&Apache::edit::end_table;
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'x','y','value');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ $result.=&Apache::edit::handle_insert();
+ }
+ }
+ return $result;
}
sub end_location {
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my @result;
+ if ($target eq 'edit') { @result=('','no') }
+ return @result;
}
# <label>$var_abc</label>
sub start_label {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[$#$parser]);
-
- push(@Apache::randomlabel::label_arr,$ltext);
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
+ if ($target eq 'web' || $target eq 'tex' ||
+ $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') {
+ &Apache::lonxml::startredirection;
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::tag_start($target,$token,"$type Label");
+ my $text=&Apache::lonxml::get_all_text("/label",$parser);
+ if ($type eq 'image') {
+ $result.=&Apache::edit::end_row().
+ &Apache::edit::start_spanning_row();
+ $result.=&Apache::edit::text_arg('Description:','description',
+ $token);
+ }
+ if ($type eq 'text') { $result.="Label Text:"; }
+ if ($type eq 'image') { $result.="Path to image: "; }
+ $result.=&Apache::edit::editline('',$text,'',50).
+ &Apache::edit::end_table();
+ } elsif ($target eq 'modified') {
+ $result = '<label>';
+ if ($type eq 'image') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,
+ 'description');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ } else {
+ $result = $token->[4];
+ }
+ }
+ $result.=&Apache::edit::modifiedfield("/label",$parser);
+ }
+ return $result;
}
sub end_label {
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my @result;
+ if ($target eq 'edit') {
+ @result=('','no') ;
+ } elsif ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
+ $target eq 'answer' || $target eq 'analyze') {
+ my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
+ my $ltext=&Apache::lonxml::endredirection;
+ if ($type eq 'image') {
+ &Apache::lonxml::debug("Turning $ltext, $Apache::lonxml::pwd[-1]");
+ $ltext=&Apache::imageresponse::clean_up_image($ltext);
+# $ltext=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],
+# $ltext);
+ &Apache::lonxml::debug("into $ltext");
+ my $description = &Apache::lonxml::get_param('description',
+ $parstack,$safeeval);
+ push(@Apache::randomlabel::description,$description);
+ } else {
+ $ltext=~s/[\r\n]*//gs
+ }
+ push(@Apache::randomlabel::label_arr,$ltext);
+ }
+ return @result;
}
-
-
1;
__END__