File:  [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.41: download - view: text, annotated - select for diffs
Tue Jul 23 14:09:45 2002 UTC (21 years, 10 months ago) by sakharuk
Branches: MAIN
CVS tags: HEAD
Small correction for correct work of <sub> and <sup> tags.

    1: # The LearningOnline Network
    2: # Printout
    3: #
    4: # $Id: lonprintout.pm,v 1.41 2002/07/23 14:09:45 sakharuk Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: # (Internal Server Error Handler
   29: #
   30: # (Login Screen
   31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
   32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
   33: #
   34: # 3/1/1 Gerd Kortemeyer)
   35: #
   36: # 3/1 Gerd Kortemeyer
   37: #
   38: # 9/17 Alex Sakharuk
   39: #
   40: package Apache::lonprintout;
   41: 
   42: use strict;
   43: use Apache::Constants qw(:common :http);
   44: use Apache::lonxml;
   45: use Apache::lonnet;
   46: use Apache::inputtags;
   47: use Apache::edit;
   48: use Apache::File();
   49: use POSIX qw(strftime);
   50: 
   51: 
   52: sub headerform {
   53:     my $r = shift;
   54:     $r->print(<<ENDHEADER);
   55: <html>
   56: <head>
   57: <title>LON-CAPA output for printing</title>
   58: </head>
   59: <body bgcolor="FFFFFF">
   60: <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
   61: <tt>$ENV{'form.postdata'}</tt><p>
   62: <h1>What do you want to print? Make a choice.</h1><br />
   63: ENDHEADER
   64: }
   65: 
   66: 
   67: sub menu_for_output {
   68:     my $r = shift;
   69:     $r->print(<<ENDMENUOUT1);
   70: <input type="hidden" name="phase" value="two">
   71: <input type="hidden" name="url" value="$ENV{'form.postdata'}">
   72: <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document
   73: (you will print what you see on the screen)<br />
   74: ENDMENUOUT1
   75:     if (not $ENV{'request.role'}=~m/^au\./) {
   76:     $r->print(<<ENDMENUOUT2);
   77: <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from the primary sequence<br />
   78: <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  The whole primary sequence (problems plus all html and xml files)<br />
   79: <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems from the top level sequence<br />
   80: <br />
   81: ENDMENUOUT2
   82:       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
   83:       $subdirtoprint =~ s/\/[^\/]+$//;
   84:       if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
   85: 	  $r->print(<<ENDMENUOUT4);
   86:   <input type="radio" name="choice" value="Subdirectory print">  All problems from current subdirectory (where this particular problem is)<br />
   87: ENDMENUOUT4
   88:       }
   89:     }
   90:     $r->print(<<ENDMENUOUT5);
   91: <br /><hr /><br />
   92: <h1>And what page format do you prefer?</h1>
   93: <table>
   94:  <tr>
   95:    <td>
   96:      <input type="radio" name="layout" value="CBI"> Landscape <br />
   97:      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />
   98:    </td>
   99:    <td>&nbsp;</td>
  100:    <td rawspan="2">
  101:      Number of columns: <input type="text" size="2" name="numberofcolumns" value="2"> 
  102:    </td>
  103:  </tr>
  104: </table>
  105: </br> 
  106: <input type="submit" value="Submit your choice">
  107: </form>
  108: </body>
  109: </html>
  110: ENDMENUOUT5
  111: }
  112: 
  113: 
  114: 
  115: 
  116: sub output_data {
  117:     my $r = shift;
  118:     $r->print(<<ENDPART);
  119: <html>
  120: <head>
  121: <title>LON-CAPA output for printing</title>
  122: </head>
  123: <body bgcolor="FFFFFF">
  124: <hr>
  125: ENDPART
  126: 
  127:     my $choice = $ENV{'form.choice'};
  128:     my $layout = $ENV{'form.layout'};
  129:     my $numberofcolumns = $ENV{'form.numberofcolumns'};               
  130:     my $laystyle = 'book';
  131:     my $result = '';
  132:     my $number_of_columns = 1;
  133:  
  134:     if ($choice eq 'Standard LaTeX output for current document') {
  135:       #-- single document - problem, page, html, xml  
  136:       my %moreenv;
  137:       $moreenv{'form.grade_target'}='tex';
  138:       if ($ENV{'request.role'}=~m/^au\./) {$ENV{'form.url'}=~s/http:\/\/[^\/]+//;}
  139:       $moreenv{'request.filename'}=$ENV{'form.url'};
  140:       &Apache::lonnet::appenv(%moreenv);
  141:       my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
  142:       &Apache::lonnet::delenv('form.grade_target');
  143:       $result .= $texversion;
  144:       $result = &additional_cleanup($result);
  145:       if ($ENV{'form.url'}=~m/\.page\s*$/) {
  146: 	  ($result,$number_of_columns) = &page_cleanup($result);
  147:       }
  148:     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or 
  149:              $choice eq 'Standard LaTeX output for whole primary sequence') {
  150:       #-- minimal sequence to which the current document belongs
  151:         #-- where is the primary sequence containing file?
  152: 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
  153: 	$_ = $symbolic;
  154: 	m/([^_]+)_/;
  155: 	my $primary_sequence = '/res/'.$1;
  156:         #-- open and analyses the primary sequence
  157: 	my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
  158: 	my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
  159: 	my @master_seq = &content_map($sequencefilecontents);
  160:         #-- produce an output string
  161: 	for (my $i=0;$i<=$#master_seq;$i++) {
  162: 	    $_ = $master_seq[$i];
  163: 	    m/\"(.*)\"/;
  164:             $_ = $1;
  165:             my $urlp = $1;		
  166: 	    if ($choice eq 'Standard LaTeX output for the primary sequence') {
  167: 		if ($urlp =~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
  168: 		    my %moreenv;
  169: 		    $moreenv{'form.grade_target'}='tex';
  170: 		    &Apache::lonnet::appenv(%moreenv);
  171: 		    my $texversion=&Apache::lonnet::ssi($urlp);
  172: 		    &Apache::lonnet::delenv('form.grade_target');
  173: 		    $result .= $texversion;        
  174: 		}
  175: 	    } else {
  176: 		my %moreenv;
  177: 		$moreenv{'form.grade_target'}='tex';
  178: 		&Apache::lonnet::appenv(%moreenv);
  179: 		my $texversion=&Apache::lonnet::ssi($urlp);
  180: 		&Apache::lonnet::delenv('form.grade_target');
  181: 		$result .= $texversion;    
  182: 	    }
  183: 	}	
  184: 	$result = &additional_cleanup($result);
  185:     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
  186: 	my @master_seq = ();
  187: 	my @add_file_seq = ();
  188: #-- where is the main sequence of the course?
  189: 	my $main_seq = '/res/'.$ENV{'request.course.uri'};
  190: 	my $file=&Apache::lonnet::filelocation("",$main_seq);
  191: 	my $filecontents=&Apache::lonnet::getfile($file);
  192: 	my @file_seq = &content_map($filecontents);
  193: #-- do we have any other sequence inside?
  194: 	my $i=0;
  195: 	while ($i<=$#file_seq) {
  196: 	    $_ = $file_seq[$i];
  197: 	    if (/\.sequence$/) {
  198: 		$file = &Apache::lonnet::filelocation("",$file_seq[$i]);
  199: 		$filecontents=&Apache::lonnet::getfile($file);
  200: 		@add_file_seq = &content_map($filecontents);
  201: 		splice(@file_seq,$i,1,@add_file_seq);
  202: 		@add_file_seq = ();
  203: 		$i = -1;
  204: 	    }
  205: 	    $i++;
  206: 	}
  207: 	@master_seq = @file_seq;	
  208: #-- produce an output string
  209: 	for (my $i=0;$i<=$#master_seq;$i++) {
  210: 	    $_ = $master_seq[$i];
  211: 	    m/\"(.*)\"/;
  212:             $_ = $1;
  213:             my $urlp = $1;
  214:             if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
  215: 		my %moreenv;
  216: 		$moreenv{'form.grade_target'}='tex';
  217: 		&Apache::lonnet::appenv(%moreenv);
  218: 		my $texversion=&Apache::lonnet::ssi($urlp);
  219: 		&Apache::lonnet::delenv('form.grade_target');
  220: 		$result .= $texversion;        
  221: 	    }
  222: 	}	    
  223: 	$result = &additional_cleanup($result);
  224:     } elsif ($choice eq 'Subdirectory print') {      
  225: 	my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
  226: 	$subdirtoprint =~ s/\/[^\/]+$//;
  227: 	my @list_of_files = ();
  228: 	my $localdirectory = $subdirtoprint;
  229: 	$localdirectory =~ s/.*(\/res\/)/$1/;
  230: 	my @content_directory = &Apache::lonnet::dirlist($localdirectory);
  231: 	for (my $iy=0;$iy<=$#content_directory;$iy++) {
  232: 	    my @tempo_array = split(/&/,$content_directory[$iy]);
  233: 	    $content_directory[$iy] = $tempo_array[0];
  234: 	    if ($content_directory[$iy] =~ m/^[^\.]+\.problem$/) {
  235: 		push @list_of_files,$content_directory[$iy];
  236: 	    }
  237: 	}
  238: 	$localdirectory =~ s/\/$//;
  239: 	for (my $i=0;$i<=$#list_of_files;$i++) {
  240: 	    my $urlp = $localdirectory.'/'.$list_of_files[$i];	     
  241: 	    my %moreenv;
  242: 	    $moreenv{'form.grade_target'}='tex';
  243: 	    &Apache::lonnet::appenv(%moreenv);
  244: 	    my $texversion=&Apache::lonnet::ssi($urlp);
  245: 	    &Apache::lonnet::delenv('form.grade_target');
  246: 	    $texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;
  247: 	    $result .= $texversion;   
  248: 	}
  249: 	$result = &additional_cleanup($result);
  250: 	
  251: 	
  252: 
  253: 
  254: 
  255: 	
  256:     }
  257: #-- corrections for the different page formats
  258:     if ($layout eq 'CBI' and $numberofcolumns eq '1') {
  259:     } elsif ($layout eq 'CBI' and $numberofcolumns eq '2') {
  260: 	$result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/;
  261:         $laystyle = 'album';
  262:     } elsif ($layout eq 'CAPA') {
  263:         my $courseidinfo = $ENV{'request.role'};
  264:         $_ = $courseidinfo;
  265:         m/.*\/(.*)/;
  266:         $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
  267: #	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
  268: 	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass{article}/;
  269: 	$result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo} \\vskip 5 mm /;	
  270: 	$result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g;
  271: #	$result =~ s/\\includegraphics{/\\includegraphics\[width=\\textwidth\]{/g;
  272: #	$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPL $1/;
  273: 	$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPL $1/;
  274: #        $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[9\.0cm\]\[b\]{\\hrulefill})/$2$1/g;
  275:         $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
  276:         $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;
  277: 	$result =~ s/\$number_of_columns/$number_of_columns/g;
  278:     }
  279: #-- LaTeX corrections     
  280:     my $first_comment = index($result,'<!--',0);
  281:     while ($first_comment != -1) {
  282: 	my $end_comment = index($result,'-->',$first_comment);
  283: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
  284: 	$first_comment = index($result,'<!--',$first_comment);
  285:     }
  286:     $result =~ s/^\s+$//gm; #remove empty lines
  287:     $result =~ s/%/\\%/g;   #corrects %
  288:     $result =~ s/(\s)+/$1/g; #removes more than one empty space
  289:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
  290:     $result =~ s/ (<|>|) / \$$1\$ /g; #corrects < or >
  291:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
  292:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
  293: 	$result =~ s/\\\\\s+\[/ \[/g;
  294:     $result =~ s/&#952;/\$\\theta\$/g; #converts theta from html into tex
  295:     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
  296:     #conversion of html characters to LaTeX equivalents
  297:     if ($result =~ m/&(\w+|#\d+);/) {
  298: 	$result = &character_chart($result);
  299:     }
  300: #-- writing .tex file in prtspool 
  301:     my $temp_file;
  302:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
  303:     unless ($temp_file = Apache::File->new('>'.$filename)) {
  304: 	$r->log_error("Couldn't open $filename for output $!");
  305: 	return SERVER_ERROR; 
  306:     } 
  307:     print $temp_file $result;
  308: $r->print(<<FINALEND);
  309: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle">
  310: </body>
  311: </html>
  312: FINALEND
  313: }
  314: 
  315: sub character_chart {
  316:     my $result = shift;	
  317:     $result =~ s/&#0?0?7;//g;
  318:     $result =~ s/&#0?0?9;//g;
  319:     $result =~ s/&#0?10;//g;
  320:     $result =~ s/&#0?13;//g;
  321:     $result =~ s/&#0?32;/ /g;
  322:     $result =~ s/&#0?33;/!/g;
  323:     $result =~ s/&#0?34;/"/g;
  324:     $result =~ s/&quot;/"/g; 
  325:     $result =~ s/&#0?35;/\\#/g;
  326: #    $result =~ s/&#0?36;/\\\$/g;
  327:     $result =~ s/&#0?37;/\\%/g; 
  328:     $result =~ s/&#0?38;/\\&/g; 
  329:     $result =~ s/&amp;/\\&/g;
  330:     $result =~ s/&#0?39;/'/g;
  331:     $result =~ s/&#0?40;/(/g;
  332:     $result =~ s/&#0?41;/)/g;
  333:     $result =~ s/&#0?42;/\*/g;
  334:     $result =~ s/&#0?43;/\+/g;
  335:     $result =~ s/&#0?44;/,/g;
  336:     $result =~ s/&#0?45;/-/g;
  337:     $result =~ s/&#0?46;/\./g;
  338:     $result =~ s/&#0?47;/\//g;
  339:     $result =~ s/&#0?48;/0/g;
  340:     $result =~ s/&#0?49;/1/g;
  341:     $result =~ s/&#0?50;/2/g;
  342:     $result =~ s/&#0?51;/3/g;
  343:     $result =~ s/&#0?52;/4/g;
  344:     $result =~ s/&#0?53;/5/g;
  345:     $result =~ s/&#0?54;/6/g;
  346:     $result =~ s/&#0?55;/7/g;
  347:     $result =~ s/&#0?56;/8/g;
  348:     $result =~ s/&#0?57;/9/g;
  349:     $result =~ s/&#0?58;/:/g;
  350:     $result =~ s/&#0?59;/;/g;
  351:     $result =~ s/&#0?60;/\$<\$/g;
  352:     $result =~ s/&lt;/\$<\$/g;
  353:     $result =~ s/&#0?61;/\$=\$/g;
  354:     $result =~ s/&#0?62;/\$>\$/g;
  355:     $result =~ s/&gt;/\$>\$/g;
  356:     $result =~ s/&#0?63;/?/g;
  357: #    $result =~ s/&#0?64;//g;
  358:     $result =~ s/&#0?65;/A/g;
  359:     $result =~ s/&#0?66;/B/g;
  360:     $result =~ s/&#0?67;/C/g;
  361:     $result =~ s/&#0?68;/D/g;
  362:     $result =~ s/&#0?69;/E/g;
  363:     $result =~ s/&#0?70;/F/g;
  364:     $result =~ s/&#0?71;/G/g;
  365:     $result =~ s/&#0?72;/H/g;
  366:     $result =~ s/&#0?73;/I/g;
  367:     $result =~ s/&#0?74;/J/g;
  368:     $result =~ s/&#0?75;/K/g;
  369:     $result =~ s/&#0?76;/L/g;
  370:     $result =~ s/&#0?77;/M/g;
  371:     $result =~ s/&#0?78;/N/g;
  372:     $result =~ s/&#0?79;/O/g;
  373:     $result =~ s/&#0?80;/P/g;
  374:     $result =~ s/&#0?81;/Q/g;
  375:     $result =~ s/&#0?82;/R/g;
  376:     $result =~ s/&#0?83;/S/g;
  377:     $result =~ s/&#0?84;/T/g;
  378:     $result =~ s/&#0?85;/U/g;
  379:     $result =~ s/&#0?86;/V/g;
  380:     $result =~ s/&#0?87;/W/g;
  381:     $result =~ s/&#0?88;/X/g;
  382:     $result =~ s/&#0?89;/Y/g;
  383:     $result =~ s/&#0?90;/Z/g;
  384:     $result =~ s/&#0?91;/[/g;
  385:     $result =~ s/&#0?92;/\\/g;
  386:     $result =~ s/&#0?93;/]/g;
  387: #    $result =~ s/&#0?94;//g;
  388: #    $result =~ s/&#0?95;//g;
  389:     $result =~ s/&#0?96;/`/g;
  390:     $result =~ s/&#0?97;/a/g;
  391:     $result =~ s/&#0?98;/b/g;
  392:     $result =~ s/&#0?99;/c/g;
  393:     $result =~ s/&#100;/d/g;
  394:     $result =~ s/&#101;/e/g;
  395:     $result =~ s/&#102;/f/g;
  396:     $result =~ s/&#103;/g/g;
  397:     $result =~ s/&#104;/h/g;
  398:     $result =~ s/&#105;/i/g;
  399:     $result =~ s/&#106;/j/g;
  400:     $result =~ s/&#107;/k/g;
  401:     $result =~ s/&#108;/l/g;
  402:     $result =~ s/&#109;/m/g;
  403:     $result =~ s/&#110;/n/g;
  404:     $result =~ s/&#111;/o/g;
  405:     $result =~ s/&#112;/p/g;
  406:     $result =~ s/&#113;/q/g;
  407:     $result =~ s/&#114;/r/g;
  408:     $result =~ s/&#115;/s/g;
  409:     $result =~ s/&#116;/t/g;
  410:     $result =~ s/&#117;/u/g;
  411:     $result =~ s/&#118;/v/g;
  412:     $result =~ s/&#119;/w/g;
  413:     $result =~ s/&#120;/x/g;
  414:     $result =~ s/&#121;/y/g;
  415:     $result =~ s/&#122;/z/g;
  416:     $result =~ s/&#123;/\\{/g;
  417:     $result =~ s/&#124;/\|/g;
  418:     $result =~ s/&#125;/\\}/g;
  419:     $result =~ s/&#126;/\~/g;
  420:     $result =~ s/&#130;/,/g;
  421: #    $result =~ s/&#131;//g;
  422:     $result =~ s/&#132;/''/g;
  423:     $result =~ s/&#133;/\$\\ldots\$/g;
  424:     $result =~ s/&#134;/\$\\dagger\$/g;
  425:     $result =~ s/&#135;/\$\\ddagger\$/g;
  426: #    $result =~ s/&#136;//g;
  427: #    $result =~ s/&#137;//g;
  428: #    $result =~ s/&#138;//g;
  429:     $result =~ s/&#139;/\$<\$/g;
  430: #    $result =~ s/&#140;//g;
  431:     $result =~ s/&#145;/`/g;
  432:     $result =~ s/&#146;/'/g;
  433:     $result =~ s/&#147;/``/g;
  434:     $result =~ s/&#148;/''/g;
  435:     $result =~ s/&#149;/\$\\bullet\$/g;
  436: #    $result =~ s/&#150;//g;
  437: #    $result =~ s/&#151;//g;
  438:     $result =~ s/&#152;/~/g;
  439: #    $result =~ s/&#153;//g;
  440: #    $result =~ s/&#154;//g;
  441:     $result =~ s/&#155;/\$>\$/g;
  442:     $result =~ s/&#156;/\\{\\oe\\}/g;
  443:     $result =~ s/&#159;/\\"\\{Y\\}/g;
  444:     $result =~ s/&#160;//g;
  445:     $result =~ s/&nbsp;//g;
  446:     $result =~ s/&#161;/!`/g;
  447:     $result =~ s/&iexcl;/!`/g; #`
  448: #    $result =~ s/&#162;//g;
  449: #    $result =~ s/&cent;//g;
  450:     $result =~ s/&#163;/\\pounds/g; 
  451:     $result =~ s/&pound;/\\pounds/g;
  452: #    $result =~ s/&#164;//g;
  453: #    $result =~ s/&curren;//g;
  454: #    $result =~ s/&#165;//g;
  455: #    $result =~ s/&yen;//g;
  456: #    $result =~ s/&#166;//g;
  457: #    $result =~ s/&brvbar;//g;
  458: #    $result =~ s/&#167;//g;
  459: #    $result =~ s/&sect;//g;
  460: #    $result =~ s/&#168;//g;
  461: #    $result =~ s/&uml;//g;
  462:     $result =~ s/&#169;/\\copyright/g;
  463:     $result =~ s/&copy;/\\copyright/g;
  464: #    $result =~ s/&#170;//g;
  465: #    $result =~ s/&ordf;//g;
  466: #    $result =~ s/&#171;//g;
  467: #    $result =~ s/&laquo;//g;
  468:     $result =~ s/&#172;/\$\\neg\$/g;
  469:     $result =~ s/&not;/\$\\neg\$/g;
  470: #    $result =~ s/&#173;//g;
  471: #    $result =~ s/&shy;//g;
  472: #    $result =~ s/&#174;//g;
  473: #    $result =~ s/&reg;//g;
  474: #    $result =~ s/&#175;//g;
  475: #    $result =~ s/&macr;//g;
  476:     $result =~ s/&#176;/\$^\\{\\circ\\}\$/g;
  477:     $result =~ s/&deg;/\$^\\{\\circ\\}\$/g;
  478:     $result =~ s/&#177;/\$\\pm\$/g;
  479:     $result =~ s/&plusmn;/\$\\pm\$/g;
  480:     $result =~ s/&#178;/\$^2\$/g;
  481:     $result =~ s/&sup2;/\$^2\$/g;
  482:     $result =~ s/&#179;/\$^3\$/g;
  483:     $result =~ s/&sup3;/\$^3\$/g;
  484: #    $result =~ s/&#180;//g;
  485: #    $result =~ s/&acute;//g;
  486:     $result =~ s/&#181;/\$\\mu\$/g;
  487:     $result =~ s/&micro;/\$\\mu\$/g;
  488:     $result =~ s/&#182;/\\P/g;
  489:     $result =~ s/&para;/\\P/g;
  490:     $result =~ s/&#183;/\$\\cdot\$/g;
  491:     $result =~ s/&middot;/\$\\cdot\$/g;
  492: #    $result =~ s/&#184;//g;
  493: #    $result =~ s/&cedil;//g;
  494:     $result =~ s/&#185;/\$^1\$/g;
  495:     $result =~ s/&sup1;/\$^1\$/g;
  496: #    $result =~ s/&#186;//g;
  497: #    $result =~ s/&ordm;//g;
  498: #    $result =~ s/&#187;//g;
  499: #    $result =~ s/&raquo;//g;
  500: #    $result =~ s/&#188;//g;
  501: #    $result =~ s/&frac14;//g;
  502: #    $result =~ s/&#189;//g;
  503: #    $result =~ s/&frac12;//g;
  504: #    $result =~ s/&#190;//g;
  505: #    $result =~ s/&frac34;//g;
  506:     $result =~ s/&#191;/?`/g;
  507:     $result =~ s/&iquest;/?`/g; 
  508:     $result =~ s/&#192;/\\`{A}/g;
  509:     $result =~ s/&Agrave;/\\`{A}/g; 
  510:     $result =~ s/&#193;/\\'{A}/g; 
  511:     $result =~ s/&Aacute;/\\'{A}/g; 
  512:     $result =~ s/&#194;/\\^{A}/g;
  513:     $result =~ s/&Acirc;/\\^{A}/g;
  514:     $result =~ s/&#195;/\\~{A}/g;
  515:     $result =~ s/&Atilde;/\\~{A}/g;
  516:     $result =~ s/&#196;/\\"{A}/g; 
  517:     $result =~ s/&Auml;/\\"{A}/g; 
  518:     $result =~ s/&#197;/{\\AA}/g;
  519:     $result =~ s/&Aring;/{\\AA}/g;
  520:     $result =~ s/&#198;/{\\AE}/g;
  521:     $result =~ s/&AElig;/{\\AE}/g;
  522: #    $result =~ s/&#199;//g;
  523: #    $result =~ s/&Ccedil;//g;
  524:     $result =~ s/&#200;/\\`{E}/g;
  525:     $result =~ s/&Egrave;/\\`{E}/g;
  526:     $result =~ s/&#201;/\\'{E}/g;
  527:     $result =~ s/&Eacute;/\\'{E}/g;
  528:     $result =~ s/&#202;/\\^{E}/g;
  529:     $result =~ s/&Ecirc;/\\^{E}/g;
  530:     $result =~ s/&#203;/\\`{E}/g;
  531:     $result =~ s/&Euml;/\\`{E}/g;
  532:     $result =~ s/&#204;/\\`{I}/g;
  533:     $result =~ s/&Igrave;/\\`{I}/g; 
  534:     $result =~ s/&#205;/\\'{I}/g; 
  535:     $result =~ s/&Iacute;/\\'{I}/g; 
  536:     $result =~ s/&#206;/\\^{I}/g;
  537:     $result =~ s/&Icirc;/\\^{I}/g;
  538:     $result =~ s/&#207;/\\"{I}/g; 
  539:     $result =~ s/&Iuml;/\\"{I}/g; 
  540: #    $result =~ s/&#208;//g;
  541: #    $result =~ s/&ETH;//g;
  542:     $result =~ s/&#209;/\\~{N}/g;
  543:     $result =~ s/&Ntilde;/\\~{N}/g;
  544:     $result =~ s/&#210;/\\`{O}/g;
  545:     $result =~ s/&Ograve;/\\`{O}/g; 
  546:     $result =~ s/&#211;/\\'{O}/g;
  547:     $result =~ s/&Oacute;/\\'{O}/g; 
  548:     $result =~ s/&#212;/\\^{O}/g;
  549:     $result =~ s/&Ocirc;/\\^{O}/g;
  550:     $result =~ s/&#213;/\\~{O}/g;
  551:     $result =~ s/&Otilde;/\\~{O}/g;
  552:     $result =~ s/&#214;/\\"{O}/g;
  553:     $result =~ s/&Ouml;/\\"{O}/g; 
  554:     $result =~ s/&#215;/\$\\times\$/g;
  555:     $result =~ s/&times;/\$\\times\$/g;
  556:     $result =~ s/&#216;/{\\O}/g;
  557:     $result =~ s/&Oslash;/{\\O}/g;
  558:     $result =~ s/&#217;/\\`{U}/g;
  559:     $result =~ s/&Ugrave;/\\`{U}/g;
  560:     $result =~ s/&#218;/\\'{U}/g;
  561:     $result =~ s/&Uacute;/\\'{U}/g;
  562:     $result =~ s/&#219;/\\^{U}/g;
  563:     $result =~ s/&Ucirc;/\\^{U}/g;
  564:     $result =~ s/&#220;/\\"{U}/g;
  565:     $result =~ s/&Uuml;/\\"{U}/g;
  566:     $result =~ s/&#221;/\\'{Y}/g;
  567:     $result =~ s/&Yacute;/\\'{Y}/g;
  568: #    $result =~ s/&#222;//g;
  569: #    $result =~ s/&THORN;//g;
  570: #    $result =~ s/&#223;//g;
  571: #    $result =~ s/&szlig;//g;
  572:     $result =~ s/&#224;/\\`{a}/g;
  573:     $result =~ s/&agrave;/\\`{a}/g;
  574:     $result =~ s/&#225;/\\'{a}/g;
  575:     $result =~ s/&aacute;/\\'{a}/g;
  576:     $result =~ s/&#226;/\\^{a}/g;
  577:     $result =~ s/&acirc;/\\^{a}/g;
  578:     $result =~ s/&#227;/\\~{a}/g;
  579:     $result =~ s/&atilde;/\\~{a}/g;
  580:     $result =~ s/&#228;/\\"{a}/g;
  581:     $result =~ s/&auml;/\\"{a}/g;
  582:     $result =~ s/&#229;/{\\aa}/g;
  583:     $result =~ s/&aring;/{\\aa}/g;
  584:     $result =~ s/&#230;/{\\ae}/g;
  585:     $result =~ s/&aelig;/{\\ae}/g;
  586: #    $result =~ s/&#231;//g;
  587: #    $result =~ s/&ccedil;//g;
  588:     $result =~ s/&#232;/\\`{e}/g;
  589:     $result =~ s/&egrave;/\\`{e}/g;
  590:     $result =~ s/&#233;/\\'{e}/g;
  591:     $result =~ s/&eacute;/\\'{e}/g;
  592:     $result =~ s/&#234;/\\^{e}/g;
  593:     $result =~ s/&ecirc;/\\^{e}/g;
  594:     $result =~ s/&#235;/\\"{e}/g;
  595:     $result =~ s/&euml;/\\"{e}/g;
  596:     $result =~ s/&#236;/\\`{i}/g;
  597:     $result =~ s/&igrave;/\\`{i}/g;
  598:     $result =~ s/&#237;/\\'{i}/g;
  599:     $result =~ s/&iacute;/\\'{i}/g;
  600:     $result =~ s/&#238;/\\^{i}/g;
  601:     $result =~ s/&icirc;/\\^{i}/g;
  602:     $result =~ s/&#239;/\\"{i}/g;
  603:     $result =~ s/&iuml;/\\"{i}/g;
  604: #    $result =~ s/&#240;//g;
  605: #    $result =~ s/&eth;//g;
  606:     $result =~ s/&#241;/\\~{n}/g;
  607:     $result =~ s/&ntilde;/\\~{n}/g;
  608:     $result =~ s/&#242;/\\`{o}/g;
  609:     $result =~ s/&ograve;/\\`{o}/g;
  610:     $result =~ s/&#243;/\\'{o}/g;
  611:     $result =~ s/&oacute;/\\'{o}/g;
  612:     $result =~ s/&#244;/\\^{o}/g;
  613:     $result =~ s/&ocirc;/\\^{o}/g;
  614:     $result =~ s/&#245;/\\~{o}/g;
  615:     $result =~ s/&otilde;/\\~{o}/g;
  616:     $result =~ s/&#246;/\\"{o}/g;
  617:     $result =~ s/&ouml;/\\"{o}/g;
  618:     $result =~ s/&#247;/\$\\div\$/g;
  619:     $result =~ s/&divide;/\$\\div\$/g;
  620:     $result =~ s/&#248;/{\\o}/g;
  621:     $result =~ s/&oslash;/{\\o}/g;
  622:     $result =~ s/&#249;/\\`{u}/g; 
  623:     $result =~ s/&ugrave;/\\`{u}/g;
  624:     $result =~ s/&#250;/\\'{u}/g;
  625:     $result =~ s/&uacute;/\\'{u}/g;
  626:     $result =~ s/&#251;/\\^{u}/g;
  627:     $result =~ s/&ucirc;/\\^{u}/g;
  628:     $result =~ s/&#252;/\\"{u}/g;
  629:     $result =~ s/&uuml;/\\"{u}/g;
  630:     $result =~ s/&#253;/\\'{y}/g;
  631:     $result =~ s/&yacute;/\\'{y}/g;
  632: #    $result =~ s/&#254;//g;
  633: #    $result =~ s/&thorn;//g;
  634:     $result =~ s/&#255;/\\"{y}/g;
  635:     $result =~ s/&yuml;/\\"{y}/g;
  636:     return $result;
  637: }
  638: 
  639: 
  640: #'"`
  641: 
  642: sub additional_cleanup {
  643:     my $result = shift;	
  644:     my $first_app = index($result,'\documentclass',0);
  645:     $first_app = index($result,'\documentclass',$first_app+5);
  646:     while ($first_app != -1) {
  647: 	my $second_app = index($result,'begin{document}',$first_app);
  648: 	$first_app = rindex($result,'\end{document}',$first_app);
  649: 	substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
  650: 	$first_app = index($result,'\documentclass',$first_app+5);
  651:     }
  652:     return $result;
  653: }
  654: sub page_cleanup {
  655:     my $result = shift;	
  656:     $_ = $result;
  657:     m/\\end{document}(\d*)$/;
  658:     my $number_of_columns = $1;
  659:     my $insert = '{';
  660:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
  661:     $insert .= '}';
  662:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE/$1$insert/g;
  663:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
  664:     $result =~ s/(\\vskip\s*\d+\s*mm)/}\\\\\\parbox{\\minipagewidth}{/g;
  665:     $result =~ s/\\parbox{\\minipagewidth}{}\s*\\\\\s*(\\parbox{\\minipagewidth})/$1/g;
  666:     $result =~ s/\\parbox{\\minipagewidth}{\s*\\\\\\\\/\\parbox{\\minipagewidth}{/g;
  667:     return $result,$number_of_columns;
  668: }
  669: 
  670: sub content_map {
  671: #-- find a list of files to print
  672:     my $map_string = shift;
  673:     my @number_seq = ();
  674:     my @file_seq = ();
  675:     my $startlink = index($map_string,'<link',0);
  676:     my $endlink = index($map_string,'</link>',$startlink);
  677:     my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
  678:     $_ = $chunk;
  679:     m/from=\"(\d+)\"/;
  680:     push @number_seq,$1;
  681:     while ($startlink != -1) {
  682: 	$endlink = index($map_string,'</link>',$startlink);
  683: 	$chunk = substr($map_string,$startlink,$endlink-$startlink+7);
  684: 	substr($map_string,$startlink,$endlink-$startlink+7) = '';
  685: 	$_ = $chunk;
  686:         m/to=\"(\d+)\"/;
  687: 	push @number_seq,$1;
  688: 	$startlink = index($map_string,'from="'.$1.'"',$startlink);
  689: 	$startlink = rindex($map_string,'<link ',$startlink);
  690:     }
  691:     my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
  692:     while ($stalink != -1) {
  693: 	$startlink = rindex($map_string,'<link ',$stalink);
  694: 	$endlink = index($map_string,'</link>',$startlink);
  695: 	$chunk = substr($map_string,$startlink,$endlink-$startlink+7);
  696: 	substr($map_string,$startlink,$endlink-$startlink+7) = '';
  697: 	$_ = $chunk;
  698:         m/from=\"(\d+)\"/;
  699: 	unshift @number_seq,$1;
  700: 	$stalink = index($map_string,' to="'.$number_seq[0].'"',0);
  701:     }
  702:     for (my $i=0;$i<=$#number_seq;$i++) {
  703: 	$stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
  704:         {    
  705: 	    my $ahed1 = index($map_string,'src="',$stalink);
  706: 	    my $ahed2 = index($map_string,'</resource>',$stalink);
  707: 	    if ($ahed1 != -1) {
  708: 		if ($ahed1 < $ahed2) {
  709: 		    $startlink = $ahed1;
  710: 		} else {
  711: 		    $startlink = rindex($map_string,'src="',$stalink);
  712: 		}
  713: 	    } else {
  714: 		$startlink = rindex($map_string,'src="',$stalink);
  715: 	    }
  716: 
  717: 	}
  718: 	$startlink = index($map_string,'"',$startlink);
  719: 	$endlink = index($map_string,'"',$startlink+1);
  720: 	$chunk = substr($map_string,$startlink,$endlink-$startlink+1);
  721: 	push @file_seq,$chunk;
  722:     }
  723:     return @file_seq;
  724: }
  725: 
  726: 
  727: 
  728: sub handler {
  729: 
  730:     my $r = shift;
  731:     $r->content_type('text/html');
  732:     $r->send_http_header;
  733: 
  734: #-- start form
  735:     &headerform($r);
  736: #-- menu for output
  737:     unless  ($ENV{'form.phase'}) {
  738: 	&menu_for_output($r);
  739:     }
  740: #-- core part 
  741:     if ($ENV{'form.phase'} eq 'two') {
  742: 	&output_data($r);
  743:     }
  744:     return OK;
  745: 
  746: } 
  747: 
  748: 1;
  749: __END__
  750: 
  751: 
  752: 
  753: 
  754: #### Test block
  755: #    my $ere;
  756: #    foreach $ere (%ENV) {
  757: #	$result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
  758: #    }
  759: ####

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