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File:  [LON-CAPA] / loncom / xml / lontex.pm
Revision 1.7: download - view: text, annotated - select for diffs
Thu Apr 7 06:56:27 2005 UTC (19 years, 2 months ago) by albertel
Branches: MAIN
CVS tags: version_1_99_3, version_1_99_2, version_1_99_1_tmcc, version_1_99_1, version_1_99_0_tmcc, version_1_99_0, HEAD
- ENV -> env

    1: # The LearningOnline Network with CAPA
    2: # TeX Content Handler
    3: #
    4: # $Id: lontex.pm,v 1.7 2005/04/07 06:56:27 albertel 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: #
   29: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson. 
   30: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into 
   31: # binary executable programs or libraries distributed by the 
   32: # Michigan State University (the "Licensee"), but any binaries so 
   33: # distributed are hereby licensed only for use in the context
   34: # of a program or computational system for which the Licensee is the 
   35: # primary author or distributor, and which performs substantial 
   36: # additional tasks beyond the translation of (La)TeX into HTML.
   37: # The C source of the Code may not be distributed by the Licensee
   38: # to any other parties under any circumstances.
   39: #
   40: # 05/29/00,05/30,10/11 Gerd Kortemeyer
   41: 
   42: package Apache::lontex;
   43: 
   44: use strict;
   45: use Apache::File;
   46: use Apache::lontexconvert;
   47: use Apache::Constants qw(:common);
   48: use Apache::lonnet;
   49: use tth;
   50: 
   51: # ================================================================ Main Handler
   52: 
   53: sub handler {
   54:   my $r=shift;
   55:   my @texcontents;
   56:   my $texstring;
   57: 
   58: # ----------------------------------------------------------- Set document type
   59: 
   60:   if ($env{'browser.mathml'}) {
   61:       &Apache::loncommon::content_type($r,'text/xml');
   62:   } else {
   63:       &Apache::loncommon::content_type($r,'text/html');
   64:   }
   65:   $r->send_http_header;
   66: 
   67:   return OK if $r->header_only;
   68: 
   69: # ------------------------------------------------------------------- Read file
   70: 
   71:   {
   72:     my $fh=Apache::File->new($r->filename);
   73:     @texcontents=<$fh>;
   74:   }
   75: 
   76:   $texstring=join("\n",@texcontents);
   77: 
   78: # --------------------------------------------------------------- Render Output
   79:   
   80:   $r->print(&Apache::lontexconvert::header());
   81:   $r->print(
   82:     '<body bgcolor="#FFFFFF" onLoad="'.
   83:       &Apache::lonmenu::loadevents().
   84:     '" onUnload="'.
   85:       &Apache::lonmenu::unloadevents().
   86:     '">'.
   87:       &Apache::lonmenu::menubuttons(undef,'web',1)
   88:   );
   89:   $r->print(&Apache::lontexconvert::converted(\$texstring));
   90:   $r->print('</body>');
   91:   $r->print(&Apache::lontexconvert::footer());
   92: 
   93:   return OK;
   94: }
   95: 
   96: 1;
   97: __END__
   98: 
   99: 
  100: 
  101: 
  102: 
  103: 
  104:
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