Annotation of loncom/interface/printout.pl, revision 1.40.2.3
1.1 sakharuk 1: #!/usr/bin/perl
1.37 albertel 2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
1.40.2.3! albertel 4: # $Id: printout.pl,v 1.40.2.2 2004/03/04 05:21:34 albertel Exp $
1.37 albertel 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:
1.39 sakharuk 29: use lib '/home/httpd/lib/perl';
30: use LONCAPA::loncgi();
1.38 sakharuk 31: use File::Path;
1.6 sakharuk 32: use IO::File;
1.7 sakharuk 33: use Image::Magick;
1.39 sakharuk 34:
1.40.2.1 albertel 35: my %origENV=%ENV;
1.39 sakharuk 36: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
37: print <<END;
38: Content-type: text/html
39:
40: <html>
41: <head><title>Bad Cookie</title></head>
42: <body>
1.40 sakharuk 43: Your cookie information is incorrect.
1.39 sakharuk 44: </body>
45: </html>
46: END
47: return;
48: }
49:
1.14 sakharuk 50: print "Content-type: text/html\n\n";
1.27 www 51: print "<body bgcolor=\"#FFFFFF\">\n";
1.39 sakharuk 52:
1.40 sakharuk 53: my $identifier = $ENV{'QUERY_STRING'};
54: my $texfile = $ENV{'cgi.'.$identifier.'.file'};
55: my $laystyle = $ENV{'cgi.'.$identifier.'.layout'};
56: my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'};
57: my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'};
58: my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'};
59: my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};
60: my $advans_role = $ENV{'cgi.'.$identifier.'role'};
1.39 sakharuk 61:
1.40.2.3! albertel 62: #got what we needed reset ENV in case it is to big for system
! 63: %ENV=%origENV;
! 64:
1.14 sakharuk 65: my $figfile = $texfile;
66: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
67: my $duefile = $texfile;
68: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
69: #do we have figures?
70: if (-e $figfile) {
71: my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
72: my @content_of_file = <$temporary_file>;
73: close $temporary_file;
74: my $noteps;
75: foreach $not_eps (@content_of_file) {
76: if ($not_eps ne '') {
1.40.2.2 albertel 77: $not_eps=~s|\/\.\/|\/|g;
1.14 sakharuk 78: my $eps_f = $not_eps;
79: $eps_f =~ s/\.[^.]*$/\.eps/i;
1.40.2.2 albertel 80: if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
81: $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
82: $eps_f = '/home/httpd/prtspool/'.$eps_f;
83: } else {
84: $eps_f=~m/\/home\/httpd\/html\/res\/(.+)/;
85: $eps_f = '/home/httpd/prtspool/'.$1;
86: }
1.38 sakharuk 87: my $path=$eps_f;
1.40.2.2 albertel 88: $path=~s/\/([^\/]+)\.eps$//;
1.38 sakharuk 89: File::Path::mkpath($path,0,0777);
1.14 sakharuk 90: my $image = Image::Magick->new;
91: $not_eps =~ s/^\s+//;
92: $not_eps =~ s/\s+$//;
93: $status = $image->Read($not_eps);
94: if ($status) {print " $status ";}
95: $image->Set(page => '+100+200');
96: $status = $image->Write($eps_f);
97: if ($status) {print " $status ";}
1.20 sakharuk 98: #check is eps exist in prtspool
99: if(not -e $eps_f) {
100: for (my $i=0;$i<10000;$i++) {
101: if (-e $eps_f.'.'.$i) {
102: rename $eps_f.'.'.$i, $eps_f;
103: last;
104: }
105: }
106: }
1.14 sakharuk 107: }
108: }
109: }
110: #print "$texfile\n"; #name of the tex file for debugging only
1.29 sakharuk 111: if (-e $texfile) {
112: $texfile =~ m/^(.*)\/([^\/]+)$/;
113: my $name_file = $2;
114: my $path_file = $1.'/';
115: chdir $path_file;
116: system("latex $name_file 1>/dev/null 2>/dev/null");
1.40 sakharuk 117: if ($tableofcontents eq 'yes') {
118: system("latex $name_file 1>/dev/null 2>/dev/null");
119: } #to create table of contents
1.33 sakharuk 120: my $idxname=$name_file;
121: $idxname=~s/\.tex$/\.idx/;
1.40 sakharuk 122: if ($tableofindex eq 'yes') {
1.33 sakharuk 123: system("makeindex $idxname");
124: system("latex $name_file 1>/dev/null 2>/dev/null");
125: } #to create index
1.29 sakharuk 126: #Do we have a latex error in the log file?
127: my $logfilename = $texfile;
128: $logfilename =~ s/\.tex$/\.log/;
129: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
130: my @content_of_file = <$temporary_file>;
131: close $temporary_file;
1.30 sakharuk 132: my $body_log_file = join(' ',@content_of_file);
133: $logfilename =~ s/\.log$/\.html/;
134: $temporary_file = IO::File->new('>'.$logfilename);
135: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
1.29 sakharuk 136: if ($body_log_file=~m/!\s+Emergency stop/) {
137: #LaTeX failed to parse tex file
138: print "<h2>LaTeX could not successfully parse your tex file.</h2>";
139: print "It probably has errors in it.<br />";
140: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
141: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
142: if ($whereitbegins!=-1 and $whereitends!=-1) {
143: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
144: }
145: print "Here are the error messages in the LaTeX log file</br><br />";
146: my $sygnal = 0;
147: for (my $i=0;$i<=$#content_of_file;$i++) {
148: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
149: $sygnal = 1;
150: }
151: if ($content_of_file[$i]=~m/Here is how much of/) {
152: $sygnal = 0;
153: }
154: if ($sygnal) {
155: print "$content_of_file[$i]<br />";
156: }
1.36 sakharuk 157: }
158: if ($advans_role) {
1.35 sakharuk 159: print "<b><big>The link to ";
160: $logfilename=~s/\/home\/httpd//;
161: print "<a href=\"$logfilename\">Your log file </a></big></b>";
162: print "\n";
163: #link tooriginal LaTeX file (included according Michael Hamlin desire)
164: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
165: my @tex_content_of_file = <$tex_temporary_file>;
166: close $tex_temporary_file;
167: my $body_tex_file = join(' ',@tex_content_of_file);
168: $texfile =~ s/\.tex$/aaaaa\.html/;
169: $tex_temporary_file = IO::File->new('>'.$texfile);
170: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
171: print "<br /><br />";
172: print "<b><big>The link to ";
173: $texfile=~s/\/home\/httpd//;
174: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
175: print "\n";
1.36 sakharuk 176: }
1.35 sakharuk 177:
1.29 sakharuk 178: } elsif ($body_log_file=~m/<inserted text>/) {
179: my $whereitbegins = index $body_log_file,'<inserted text>';
1.31 sakharuk 180: print "You are running LaTeX in the <b>batch mode</b>.";
1.30 sakharuk 181: while ($whereitbegins != -1) {
182: my $tempobegin=$whereitbegins;
183: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
184: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
1.34 sakharuk 185: print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n";
1.30 sakharuk 186: 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";
187: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
188: }
1.29 sakharuk 189: $name_file =~ s/\.tex/\.dvi/;
190: my $new_name_file = $name_file;
191: $new_name_file =~ s/\.dvi/\.ps/;
192: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
193: system("$comma $name_file 1>/dev/null 2>/dev/null");
194: if (-e $new_name_file) {
195: print "<h1>PDF output file (see link below)</h1>\n";
196: $new_name_file =~ m/^(.*)\./;
197: my $tempo_file = $1.'temporar.ps';
198: my $name_file = $1.'.pdf';
199: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
200: $comma = "psnup -2 -s1.0 $new_name_file";
201: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
202: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
203: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
204: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
205: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
206: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
207: } else {
208: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
209: }
210: my $texlog = $texfile;
211: my $texaux = $texfile;
212: my $texdvi = $texfile;
213: my $texps = $texfile;
214: $texlog =~ s/\.tex/\.log/;
215: $texaux =~ s/\.tex/\.aux/;
216: $texdvi =~ s/\.tex/\.dvi/;
217: $texps =~ s/\.tex/\.ps/;
1.30 sakharuk 218: my @garb = ($texaux,$texdvi,$texps);
1.29 sakharuk 219: # unlink @garb;
220: unlink $duefile;
221: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
1.36 sakharuk 222: if ($advans_role) {
223: print "<br /><br />";
224: print "<b><big>The link to ";
225: $logfilename=~s/\/home\/httpd//;
226: print "<a href=\"$logfilename\">Your log file </a></big></b>";
227: print "\n";
228: #link tooriginal LaTeX file (included according Michael Hamlin desire)
229: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
230: my @tex_content_of_file = <$tex_temporary_file>;
231: close $tex_temporary_file;
232: my $body_tex_file = join(' ',@tex_content_of_file);
233: $texfile =~ s/\.tex$/aaaaa\.html/;
234: $tex_temporary_file = IO::File->new('>'.$texfile);
235: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
236: print "<br /><br />";
237: print "<b><big>The link to ";
238: $texfile=~s/\/home\/httpd//;
239: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
240: print "\n";
241: }
1.29 sakharuk 242: }
243: } else {
244: #LaTeX successfully parsed tex file
245: $name_file =~ s/\.tex/\.dvi/;
246: my $new_name_file = $name_file;
247: $new_name_file =~ s/\.dvi/\.ps/;
248: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
249: system("$comma $name_file 1>/dev/null 2>/dev/null");
250: if (-e $new_name_file) {
251: print "<h1>Successfully created PDF output file (see link below)</h1>\n";
252: $new_name_file =~ m/^(.*)\./;
253: my $tempo_file = $1.'temporar.ps';
254: my $name_file = $1.'.pdf';
255: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
256: $comma = "psnup -2 -s1.0 $new_name_file";
257: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
258: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
259: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
260: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
261: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
262: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
263: } else {
264: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
265: }
266: my $texlog = $texfile;
267: my $texaux = $texfile;
268: my $texdvi = $texfile;
269: my $texps = $texfile;
270: $texlog =~ s/\.tex/\.log/;
271: $texaux =~ s/\.tex/\.aux/;
272: $texdvi =~ s/\.tex/\.dvi/;
273: $texps =~ s/\.tex/\.ps/;
274: my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22 sakharuk 275: # unlink @garb;
1.29 sakharuk 276: unlink $duefile;
277: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
278: print "\n";
279: }
1.14 sakharuk 280: }
1.29 sakharuk 281: } else {
282: print "LaTeX file $texfile was not created successfully";
1.14 sakharuk 283: }
1.17 sakharuk 284:
285:
286:
1.1 sakharuk 287:
288:
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290:
1.4 sakharuk 291:
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