1: # The LearningOnline Network
2: # Printout
3: #
4: # (Internal Server Error Handler
5: #
6: # (Login Screen
7: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
8: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
9: #
10: # 3/1/1 Gerd Kortemeyer)
11: #
12: # 3/1 Gerd Kortemeyer
13: #
14: # 9/17 Alex Sakharuk
15: #
16: package Apache::lonprintout;
17:
18: use strict;
19: use Apache::Constants qw(:common);
20: use Apache::lonxml;
21: use Apache::lonnet;
22: use Apache::File();
23:
24:
25:
26: sub headerform {
27: my $r = shift;
28: $r->print(<<ENDHEADER);
29: <html>
30: <head>
31: <title>LON-CAPA output for printing</title>
32: </head>
33: <body bgcolor="FFFFFF">
34: <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
35: <h1>Printout:</h1><br></br>
36: ENDHEADER
37: }
38:
39:
40: sub menu_for_output {
41: my $r = shift;
42: $r->print(<<ENDMENUOUT);
43: <input type="hidden" name="phase" value="two">
44: <input type="radio" name="choice" value="Standard LaTeX output for current document"> Standard LaTeX output for current document<br></br>
45: <input type="radio" name="choice" value="Standard LaTeX output for the whole sequence"> Standard LaTeX output for the whole sequence<br></br>
46: <input type="submit" value="Please make a choice">
47: </form>
48: </body>
49: </html>
50: ENDMENUOUT
51: }
52:
53:
54: sub output_data {
55: my $r = shift;
56: $r->print(<<ENDPART);
57: <html>
58: <head>
59: <title>LON-CAPA output for printing</title>
60: </head>
61: <body bgcolor="FFFFFF">
62: <hr>
63: ENDPART
64:
65: my $choice = $ENV{'form.choice'};
66: my $result = '';
67: my %mystyle;
68: my $filename;
69:
70: if ($choice eq 'Standard LaTeX output for current document') {
71: my $file=&Apache::lonnet::filelocation("",'/res/'.$ENV{'request.ambiguous'});
72: my $filecontents=&Apache::lonnet::getfile($file);
73: $result = &Apache::lonxml::xmlparse('tex',$filecontents,'',%mystyle);
74: } elsif ($choice eq 'Standard LaTeX output for the whole sequence') {
75: my @master_seq = ();
76: my $keyword = 0;
77: my $output_seq = '';
78: my $current_file = '/res/'.$ENV{'request.ambiguous'};
79: $current_file =~ s/(\/res\/physnet\/physnet)(\/m\d+)\/(.*)/$1$2$2\.sequence/;
80: while ($current_file ne '') {
81: my $file=&Apache::lonnet::filelocation("",$current_file);
82: my $filecontents=&Apache::lonnet::getfile($file);
83: my @file_seq = &content_map($filecontents);
84: if (defined @file_seq) {
85: #-- adding an additional array to the master one
86: if (defined @master_seq) {
87: my $old_value = $#master_seq;
88: my $total_value = $#master_seq + $#file_seq +2;
89: for (my $j=0; $j<=$old_value-$keyword+1; $j++) {
90: $master_seq[$total_value-$j] = $master_seq[$old_value-$j];
91: }
92: for (my $j=0; $j<=$#file_seq; $j++){
93: $master_seq[$keyword+$j] = $file_seq[$j];
94: }
95: @file_seq = ();
96: $keyword = 0;
97: } else {
98: @master_seq = @file_seq;
99: @file_seq = ();
100: }
101: }
102: #-- checking wether .sequence file is among the set of files
103: $current_file = '';
104: for (my $i=0; $i<=$#file_seq; $i++) {
105: $_ = $file_seq[$i];
106: if (m/(.*)\.sequence/) {
107: $current_file = $_;
108: $keyword = $i;
109: last;
110: }
111: }
112: }
113: #-- produce an output string
114: for (my $i=0;$i<=$#master_seq;$i++) {
115: $_ = $master_seq[$i];
116: m/\"(.*)\"/;
117: if (index($1,'-tc.xml',0)==-1) {
118: my $file=&Apache::lonnet::filelocation("",$1);
119: my $filecontents=&Apache::lonnet::getfile($file);
120: $output_seq .= $filecontents;
121: }
122: }
123: #-- cleanup of output string (temporary cbi-specific)
124: $output_seq =~ s/<physnet>//g;
125: $output_seq =~ s/<\/physnet>//g;
126: $output_seq = '<physnet>'.$output_seq.' </physnet>';
127: #-- final accord
128: $result = &Apache::lonxml::xmlparse('tex',$output_seq,'',%mystyle);
129: }
130: #-- writing .tex file in prtspool
131: {
132: my $temp_file;
133: $filename = "/home/httpd/prtspool/$ENV{'environment.firstname'}$ENV{'environment.lastname'}temp$ENV{'user.login.time'}.tex";
134: unless ($temp_file = Apache::File->new('>'.$filename)) {
135: $r->log_error("Couldn't open $filename for output $!");
136: return SERVER_ERROR;
137: }
138: print $temp_file $result;
139: }
140: $r->print(<<FINALEND);
141: <meta http-equiv="Refresh" content="0; url=http://bistromath.lite.msu.edu/cgi-bin/printout.pl?$filename">
142: </body>
143: </html>
144: FINALEND
145: }
146:
147:
148:
149:
150: sub content_map {
151: #-- find a list of files to print
152: my $map_string = shift;
153: my @number_seq = ();
154: my @file_seq = ();
155: my $startlink = index($map_string,'<link',0);
156: my $endlink = index($map_string,'</link>',$startlink);
157: my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
158: $_ = $chunk;
159: m/from=\"(\d+)\"/;
160: push @number_seq,$1;
161: while ($startlink != -1) {
162: $endlink = index($map_string,'</link>',$startlink);
163: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
164: substr($map_string,$startlink,$endlink-$startlink+7) = '';
165: $_ = $chunk;
166: m/to=\"(\d+)\"/;
167: push @number_seq,$1;
168: $startlink = index($map_string,'<link from="'.$1.'"',$startlink);
169: }
170: my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
171: while ($stalink != -1) {
172: $startlink = rindex($map_string,'<link ',$stalink);
173: $endlink = index($map_string,'</link>',$startlink);
174: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
175: substr($map_string,$startlink,$endlink-$startlink+7) = '';
176: $_ = $chunk;
177: m/from=\"(\d+)\"/;
178: unshift @number_seq,$1;
179: $stalink = index($map_string,' to="'.$number_seq[0].'"',0);
180: }
181: for (my $i=0;$i<=$#number_seq;$i++) {
182: $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
183: $startlink = index($map_string,'src="',$stalink);
184: $startlink = index($map_string,'"',$startlink);
185: $endlink = index($map_string,'"',$startlink+1);
186: $chunk = substr($map_string,$startlink,$endlink-$startlink+1);
187: push @file_seq,$chunk;
188: }
189: return @file_seq;
190: }
191:
192:
193:
194: sub handler {
195:
196: my $r = shift;
197: $r->content_type('text/html');
198: $r->send_http_header;
199:
200: #-- start form
201: &headerform($r);
202: #-- menu for output
203: unless ($ENV{'form.phase'}) {
204: &menu_for_output($r);
205: }
206: #-- core part
207: if ($ENV{'form.phase'} eq 'two') {
208: &output_data($r);
209:
210: }
211: return OK;
212:
213: }
214:
215: 1;
216: __END__
217:
218:
219: # my $ere;
220: # foreach $ere (%ENV) {
221: # $r->print(' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n");
222: # }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface