File:
[LON-CAPA] /
loncom /
xml /
lontex.pm
Revision
1.13:
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Mon Nov 24 17:17:52 2008 UTC (15 years, 10 months ago) by
jms
Branches:
MAIN
CVS tags:
version_2_9_X,
version_2_9_99_0,
version_2_9_1,
version_2_9_0,
version_2_8_99_1,
version_2_8_99_0,
version_2_11_X,
version_2_11_5,
version_2_11_4_uiuc,
version_2_11_4,
version_2_11_3_uiuc,
version_2_11_3_msu,
version_2_11_3,
version_2_11_2_uiuc,
version_2_11_2_msu,
version_2_11_2_educog,
version_2_11_2,
version_2_11_1,
version_2_11_0_RC3,
version_2_11_0_RC2,
version_2_11_0_RC1,
version_2_11_0,
version_2_10_X,
version_2_10_1,
version_2_10_0_RC2,
version_2_10_0_RC1,
version_2_10_0,
loncapaMITrelate_1,
language_hyphenation_merge,
language_hyphenation,
bz6209-base,
bz6209,
bz5969,
bz2851,
PRINT_INCOMPLETE_base,
PRINT_INCOMPLETE,
HEAD,
GCI_3,
GCI_2,
BZ5971-printing-apage,
BZ5434-fox,
BZ4492-merge,
BZ4492-feature_horizontal_radioresponse
POD comments added/altered
1: # The LearningOnline Network with CAPA
2: # TeX Content Handler
3: #
4: # $Id: lontex.pm,v 1.13 2008/11/24 17:17:52 jms 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 footer {
54: my ($errorstring) = @_;
55: my $xmlstring='';
56: if ($env{'request.state'} eq 'construct') {
57: $xmlstring.='<address>'.
58: $Apache::lontexconvert::errorstring.'</address>';
59: } else {
60: &Apache::lonmsg::author_res_msg($env{'request.filename'},
61: $Apache::lonxml::errorstring);
62: }
63: # -------------------------------------------------------------------- End Body
64: $xmlstring.=&Apache::loncommon::end_page({'discussion' => 1});
65: return $xmlstring;
66: }
67:
68: sub handler {
69: my ($r)= @_;
70: my @texcontents;
71: my $texstring;
72:
73: # ----------------------------------------------------------- Set document type
74:
75: if ($env{'browser.mathml'}) {
76: &Apache::loncommon::content_type($r,'text/xml');
77: } else {
78: &Apache::loncommon::content_type($r,'text/html');
79: }
80: $r->send_http_header;
81:
82: return OK if $r->header_only;
83:
84: # ------------------------------------------------------------------- Read file
85:
86: {
87: my $fh=Apache::File->new($r->filename);
88: @texcontents=<$fh>;
89: }
90:
91: $texstring=join("\n",@texcontents);
92:
93: # --------------------------------------------------------------- Render Output
94:
95: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
96: ['texengine','inhibitmenu']);
97:
98:
99: $r->print(&Apache::loncommon::start_page(undef,undef,
100: {'bgcolor' => '#FFFFFF',
101: 'force_register' => 1,
102: 'only_body' =>
103: ($env{'form.inhibitmenu'}
104: eq 'yes'), }));
105:
106: $r->print(&Apache::lontexconvert::converted(\$texstring,
107: $env{'form.texengine'}));
108: $r->print(&footer());
109:
110: return OK;
111: }
112:
113: 1;
114: __END__
115:
116: =pod
117:
118: =head1 NAME
119:
120: Apache::lontex.pm
121:
122: =head1 SYNOPSIS
123:
124: Handler for tex files (somewhere in modules)
125:
126: This is part of the LearningOnline Network with CAPA project
127: described at http://www.lon-capa.org.
128:
129:
130: =head1 SUBROUTINES
131:
132: =over
133:
134: =item footer()
135:
136: Main Handler
137:
138: =back
139:
140: =cut
141:
142:
143:
144:
145:
146:
147:
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