1: #!/usr/bin/perl
2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
4: # $Id: printout.pl,v 1.39 2003/10/20 17:39:30 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:
29: use lib '/home/httpd/lib/perl';
30: use LONCAPA::loncgi();
31: use File::Path;
32: use IO::File;
33: use Image::Magick;
34:
35: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
36: print <<END;
37: Content-type: text/html
38:
39: <html>
40: <head><title>Bad Cookie</title></head>
41: <body>
42: Your cookie information is incorrect. What\'s up with that?
43: </body>
44: </html>
45: END
46: return;
47: }
48:
49: print "Content-type: text/html\n\n";
50: print "<body bgcolor=\"#FFFFFF\">\n";
51: #### my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'});
52:
53: my $identifier = $ENV{'QUERY_STRING'};
54: my $texfile = $ENV{$identifier.'.file'};
55: my $laystyle = $ENV{$identifier.'.layout'};
56: my $numberofcolumns = $ENV{$identifier.'.numcol'};
57: my $selectionmade = $ENV{$identifier.'.selection'};
58:
59: my $advans_role=0;
60: if ($selectionmade>=10000) {$selectionmade=$selectionmade/10000; $advans_role=1;}
61: my $figfile = $texfile;
62: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
63: my $duefile = $texfile;
64: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
65: #do we have figures?
66: if (-e $figfile) {
67: my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
68: my @content_of_file = <$temporary_file>;
69: close $temporary_file;
70: my $noteps;
71: foreach $not_eps (@content_of_file) {
72: if ($not_eps ne '') {
73: my $eps_f = $not_eps;
74: $eps_f =~ s/\.[^.]*$/\.eps/i;
75: $_ = $eps_f;
76: m/\/home\/httpd\/html\/res\/(.+)/;
77: $eps_f = '/home/httpd/prtspool/'.$1;
78: my $path=$eps_f;
79: $path=~s/\/([^\/]+)\.eps$//;
80: File::Path::mkpath($path,0,0777);
81: my $image = Image::Magick->new;
82: $not_eps =~ s/^\s+//;
83: $not_eps =~ s/\s+$//;
84: $status = $image->Read($not_eps);
85: if ($status) {print " $status ";}
86: $image->Set(page => '+100+200');
87: $status = $image->Write($eps_f);
88: if ($status) {print " $status ";}
89: #check is eps exist in prtspool
90: if(not -e $eps_f) {
91: for (my $i=0;$i<10000;$i++) {
92: if (-e $eps_f.'.'.$i) {
93: rename $eps_f.'.'.$i, $eps_f;
94: last;
95: }
96: }
97: }
98: }
99: }
100: }
101: #print "$texfile\n"; #name of the tex file for debugging only
102: if (-e $texfile) {
103: $texfile =~ m/^(.*)\/([^\/]+)$/;
104: my $name_file = $2;
105: my $path_file = $1.'/';
106: chdir $path_file;
107: system("latex $name_file 1>/dev/null 2>/dev/null");
108: if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents
109: my $idxname=$name_file;
110: $idxname=~s/\.tex$/\.idx/;
111: if ($selectionmade>=100) {
112: system("makeindex $idxname");
113: system("latex $name_file 1>/dev/null 2>/dev/null");
114: } #to create index
115: #Do we have a latex error in the log file?
116: my $logfilename = $texfile;
117: $logfilename =~ s/\.tex$/\.log/;
118: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
119: my @content_of_file = <$temporary_file>;
120: close $temporary_file;
121: my $body_log_file = join(' ',@content_of_file);
122: $logfilename =~ s/\.log$/\.html/;
123: $temporary_file = IO::File->new('>'.$logfilename);
124: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
125: if ($body_log_file=~m/!\s+Emergency stop/) {
126: #LaTeX failed to parse tex file
127: print "<h2>LaTeX could not successfully parse your tex file.</h2>";
128: print "It probably has errors in it.<br />";
129: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
130: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
131: if ($whereitbegins!=-1 and $whereitends!=-1) {
132: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
133: }
134: print "Here are the error messages in the LaTeX log file</br><br />";
135: my $sygnal = 0;
136: for (my $i=0;$i<=$#content_of_file;$i++) {
137: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
138: $sygnal = 1;
139: }
140: if ($content_of_file[$i]=~m/Here is how much of/) {
141: $sygnal = 0;
142: }
143: if ($sygnal) {
144: print "$content_of_file[$i]<br />";
145: }
146: }
147: if ($advans_role) {
148: print "<b><big>The link to ";
149: $logfilename=~s/\/home\/httpd//;
150: print "<a href=\"$logfilename\">Your log file </a></big></b>";
151: print "\n";
152: #link tooriginal LaTeX file (included according Michael Hamlin desire)
153: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
154: my @tex_content_of_file = <$tex_temporary_file>;
155: close $tex_temporary_file;
156: my $body_tex_file = join(' ',@tex_content_of_file);
157: $texfile =~ s/\.tex$/aaaaa\.html/;
158: $tex_temporary_file = IO::File->new('>'.$texfile);
159: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
160: print "<br /><br />";
161: print "<b><big>The link to ";
162: $texfile=~s/\/home\/httpd//;
163: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
164: print "\n";
165: }
166:
167: } elsif ($body_log_file=~m/<inserted text>/) {
168: my $whereitbegins = index $body_log_file,'<inserted text>';
169: print "You are running LaTeX in the <b>batch mode</b>.";
170: while ($whereitbegins != -1) {
171: my $tempobegin=$whereitbegins;
172: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
173: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
174: print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n";
175: print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n";
176: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
177: }
178: $name_file =~ s/\.tex/\.dvi/;
179: my $new_name_file = $name_file;
180: $new_name_file =~ s/\.dvi/\.ps/;
181: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
182: system("$comma $name_file 1>/dev/null 2>/dev/null");
183: if (-e $new_name_file) {
184: print "<h1>PDF output file (see link below)</h1>\n";
185: $new_name_file =~ m/^(.*)\./;
186: my $tempo_file = $1.'temporar.ps';
187: my $name_file = $1.'.pdf';
188: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
189: $comma = "psnup -2 -s1.0 $new_name_file";
190: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
191: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
192: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
193: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
194: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
195: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
196: } else {
197: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
198: }
199: my $texlog = $texfile;
200: my $texaux = $texfile;
201: my $texdvi = $texfile;
202: my $texps = $texfile;
203: $texlog =~ s/\.tex/\.log/;
204: $texaux =~ s/\.tex/\.aux/;
205: $texdvi =~ s/\.tex/\.dvi/;
206: $texps =~ s/\.tex/\.ps/;
207: my @garb = ($texaux,$texdvi,$texps);
208: # unlink @garb;
209: unlink $duefile;
210: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
211: if ($advans_role) {
212: print "<br /><br />";
213: print "<b><big>The link to ";
214: $logfilename=~s/\/home\/httpd//;
215: print "<a href=\"$logfilename\">Your log file </a></big></b>";
216: print "\n";
217: #link tooriginal LaTeX file (included according Michael Hamlin desire)
218: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
219: my @tex_content_of_file = <$tex_temporary_file>;
220: close $tex_temporary_file;
221: my $body_tex_file = join(' ',@tex_content_of_file);
222: $texfile =~ s/\.tex$/aaaaa\.html/;
223: $tex_temporary_file = IO::File->new('>'.$texfile);
224: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
225: print "<br /><br />";
226: print "<b><big>The link to ";
227: $texfile=~s/\/home\/httpd//;
228: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
229: print "\n";
230: }
231: }
232: } else {
233: #LaTeX successfully parsed tex file
234: $name_file =~ s/\.tex/\.dvi/;
235: my $new_name_file = $name_file;
236: $new_name_file =~ s/\.dvi/\.ps/;
237: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
238: system("$comma $name_file 1>/dev/null 2>/dev/null");
239: if (-e $new_name_file) {
240: print "<h1>Successfully created PDF output file (see link below)</h1>\n";
241: $new_name_file =~ m/^(.*)\./;
242: my $tempo_file = $1.'temporar.ps';
243: my $name_file = $1.'.pdf';
244: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
245: $comma = "psnup -2 -s1.0 $new_name_file";
246: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
247: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
248: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
249: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
250: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
251: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
252: } else {
253: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
254: }
255: my $texlog = $texfile;
256: my $texaux = $texfile;
257: my $texdvi = $texfile;
258: my $texps = $texfile;
259: $texlog =~ s/\.tex/\.log/;
260: $texaux =~ s/\.tex/\.aux/;
261: $texdvi =~ s/\.tex/\.dvi/;
262: $texps =~ s/\.tex/\.ps/;
263: my @garb = ($texlog,$texaux,$texdvi,$texps);
264: # unlink @garb;
265: unlink $duefile;
266: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
267: print "\n";
268: }
269: }
270: } else {
271: print "LaTeX file $texfile was not created successfully";
272: }
273:
274:
275:
276:
277:
278:
279:
280:
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