version 1.19, 2001/12/21 17:06:56
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version 1.29, 2002/03/28 21:38:53
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# 2/13-12/7 Guy Albertelli |
# 2/13-12/7 Guy Albertelli |
# 12/11,12/12,12/17 Scott Harrison |
# 12/11,12/12,12/17 Scott Harrison |
# 12/21 Gerd Kortemeyer |
# 12/21 Gerd Kortemeyer |
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# 12/21 Scott Harrison |
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# 12/25,12/28 Gerd Kortemeyer |
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# YEAR=2002 |
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# 1/4 Gerd Kortemeyer |
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# Makes a table out of the previous attempts |
# Makes a table out of the previous attempts |
# Inputs result_from_symbread, user, domain, course_id |
# Inputs result_from_symbread, user, domain, course_id |
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package Apache::loncommon; |
package Apache::loncommon; |
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use strict; |
use strict; |
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use Apache::lonnet(); |
use POSIX qw(strftime); |
use POSIX qw(strftime); |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::lonmsg(); |
use Apache::lonmsg(); |
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my $readit; |
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# ----------------------------------------------- Filetypes/Languages/Copyright |
my %language; |
my %language; |
my %cprtag; |
my %cprtag; |
my %fe; my %fd; |
my %fe; my %fd; |
my %fc; |
my %fc; |
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# -------------------------------------------------------------- Thesaurus data |
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my @therelated; |
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my @theword; |
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my @thecount; |
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my %theindex; |
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my $thetotalcount; |
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my $thefuzzy=2; |
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my $thethreshold=0.1/$thefuzzy; |
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my $theavecount; |
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# ----------------------------------------------------------------------- BEGIN |
# ----------------------------------------------------------------------- BEGIN |
BEGIN { |
BEGIN { |
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unless ($readit) { |
# ------------------------------------------------------------------- languages |
# ------------------------------------------------------------------- languages |
{ |
{ |
my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. |
my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. |
Line 104 BEGIN {
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Line 123 BEGIN {
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} |
} |
} |
} |
} |
} |
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# -------------------------------------------------------------- Thesaurus data |
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{ |
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my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. |
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'/thesaurus.dat'); |
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if ($fh) { |
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while (<$fh>) { |
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my ($tword,$tindex,$tcount,$trelated)=split(/\@/,$_); |
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$theindex{$tword}=$tindex; |
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$theword[$tindex]=$tword; |
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$thecount[$tindex]=$tcount; |
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$thetotalcount+=$tcount; |
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$therelated[$tindex]=$trelated; |
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} |
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} |
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$theavecount=$thetotalcount/$#thecount; |
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} |
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&Apache::lonnet::logthis( |
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"<font color=yellow>INFO: Read file types and thesaurus</font>"); |
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$readit=1; |
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} |
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} |
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# ============================================================= END BEGIN BLOCK |
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# ---------------------------------------------------------- Is this a keyword? |
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sub keyword { |
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my $newword=shift; |
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$newword=~s/\W//g; |
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$newword=~tr/A-Z/a-z/; |
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my $tindex=$theindex{$newword}; |
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if ($tindex) { |
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if ($thecount[$tindex]>$theavecount) { |
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return 1; |
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} |
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} |
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return 0; |
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} |
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# -------------------------------------------------------- Return related words |
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sub related { |
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my $newword=shift; |
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$newword=~s/\W//g; |
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$newword=~tr/A-Z/a-z/; |
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my $tindex=$theindex{$newword}; |
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if ($tindex) { |
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my %found=(); |
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foreach (split(/\,/,$therelated[$tindex])) { |
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# - Related word found |
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my ($ridx,$rcount)=split(/\:/,$_); |
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# - Direct relation index |
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my $directrel=$rcount/$thecount[$tindex]; |
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if ($directrel>$thethreshold) { |
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foreach (split(/\,/,$therelated[$ridx])) { |
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my ($rridx,$rrcount)=split(/\:/,$_); |
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if ($rridx==$tindex) { |
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# - Determine reverse relation index |
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my $revrel=$rrcount/$thecount[$ridx]; |
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# - Calculate full index |
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$found{$ridx}=$directrel*$revrel; |
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if ($found{$ridx}>$thethreshold) { |
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foreach (split(/\,/,$therelated[$ridx])) { |
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my ($rrridx,$rrrcount)=split(/\:/,$_); |
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unless ($found{$rrridx}) { |
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my $revrevrel=$rrrcount/$thecount[$ridx]; |
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if ( |
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$directrel*$revrel*$revrevrel>$thethreshold |
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) { |
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$found{$rrridx}= |
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$directrel*$revrel*$revrevrel; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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return (); |
} |
} |
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# ---------------------------------------------------------------- Language IDs |
# ---------------------------------------------------------------- Language IDs |
Line 258 sub get_student_answers {
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Line 358 sub get_student_answers {
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} |
} |
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sub get_unprocessed_cgi { |
sub get_unprocessed_cgi { |
my ($query)= @_; |
my ($query,$possible_names)= @_; |
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# $Apache::lonxml::debug=1; |
foreach (split(/&/,$query)) { |
foreach (split(/&/,$query)) { |
my ($name, $value) = split(/=/,$_); |
my ($name, $value) = split(/=/,$_); |
$value =~ tr/+/ /; |
$name = &Apache::lonnet::unescape($name); |
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) { |
if (!defined($ENV{'form.'.$name})) { $ENV{'form.'.$name}=$value; } |
$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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&Apache::lonxml::debug("Seting :$name: to :$value:"); |
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unless ($ENV{'form.'.$name}) { &add_to_env('form.'.$name,$value) }; |
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} |
} |
} |
} |
} |
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sub cacheheader { |
sub cacheheader { |
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unless ($ENV{'request.method'} eq 'GET') { return ''; } |
my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); |
my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); |
my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" /> |
my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" /> |
<meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" /> |
<meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" /> |
Line 277 sub cacheheader {
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Line 383 sub cacheheader {
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sub no_cache { |
sub no_cache { |
my ($r) = @_; |
my ($r) = @_; |
my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); |
unless ($ENV{'request.method'} eq 'GET') { return ''; } |
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#my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); |
$r->no_cache(1); |
$r->no_cache(1); |
$r->header_out("Pragma" => "no-cache"); |
$r->header_out("Pragma" => "no-cache"); |
$r->header_out("Expires" => $date); |
#$r->header_out("Expires" => $date); |
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} |
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sub add_to_env { |
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my ($name,$value)=@_; |
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if (defined($ENV{$name})) { |
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if (ref($ENV{$name})) { |
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#already have multiple values |
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push(@{ $ENV{$name} },$value); |
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} else { |
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#first time seeing multiple values, convert hash entry to an arrayref |
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my $first=$ENV{$name}; |
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undef($ENV{$name}); |
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push(@{ $ENV{$name} },$first,$value); |
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} |
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} else { |
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$ENV{$name}=$value; |
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} |
} |
} |
1; |
1; |
__END__; |
__END__; |
Line 386 cacheheader() : returns cache-controllin
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Line 510 cacheheader() : returns cache-controllin
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nocache() : specifies header code to not have cache |
nocache() : specifies header code to not have cache |
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=item * |
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add_to_env($name,$value) : adds $name to the %ENV hash with value |
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$value, if $name already exists, the entry is converted to an array |
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reference and $value is added to the array. |
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=back |
=back |
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=cut |
=cut |