version 1.3, 2000/09/14 09:26:37
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version 1.6, 2000/09/16 17:42:01
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# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 08/30,08/31,09/06,09/14 Gerd Kortemeyer |
# 08/30,08/31,09/06,09/14,09/15,09/16 Gerd Kortemeyer |
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package Apache::lonpage; |
package Apache::lonpage; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
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# -------------------------------------------------------------- Module Globals |
# -------------------------------------------------------------- Module Globals |
my %hash; |
my %hash; |
my @rows; |
my @rows; |
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# ------------------------------------------------------------------ Euclid gcd |
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sub euclid { |
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my ($e,$f)=@_; |
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my $a; my $b; my $r; |
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if ($e>$f) { $b=$e; $r=$f; } else { $r=$e; $b=$f; } |
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while ($r!=0) { |
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$a=$b; $b=$r; |
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$r=$a%$b; |
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} |
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return $b; |
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} |
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# ------------------------------------------------------------ Build page table |
# ------------------------------------------------------------ Build page table |
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sub tracetable { |
sub tracetable { |
Line 28 sub tracetable {
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Line 42 sub tracetable {
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if (defined($hash{'is_map_'.$rid})) { |
if (defined($hash{'is_map_'.$rid})) { |
if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && |
if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && |
(defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) { |
(defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) { |
my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; |
my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; |
$sofar= |
$sofar= |
&tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, |
&tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, |
'&'.$frid.'&'); |
'&'.$frid.'&'); |
$sofar++; |
$sofar++; |
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if ($hash{'src_'.$frid}) { |
my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid}); |
my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid}); |
if (($brepriv eq '2') || ($brepriv eq 'F')) { |
if (($brepriv eq '2') || ($brepriv eq 'F')) { |
if (defined($rows[$sofar])) { |
if (defined($rows[$sofar])) { |
Line 41 sub tracetable {
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Line 56 sub tracetable {
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$rows[$sofar]=$frid; |
$rows[$sofar]=$frid; |
} |
} |
} |
} |
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} |
} |
} |
} else { |
} else { |
$sofar++; |
$sofar++; |
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if ($hash{'src_'.$rid}) { |
my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid}); |
my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid}); |
if (($brepriv eq '2') || ($brepriv eq 'F')) { |
if (($brepriv eq '2') || ($brepriv eq 'F')) { |
if (defined($rows[$sofar])) { |
if (defined($rows[$sofar])) { |
Line 52 sub tracetable {
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Line 69 sub tracetable {
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$rows[$sofar]=$rid; |
$rows[$sofar]=$rid; |
} |
} |
} |
} |
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} |
} |
} |
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if (defined($hash{'to_'.$rid})) { |
if (defined($hash{'to_'.$rid})) { |
Line 64 sub tracetable {
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Line 82 sub tracetable {
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return $further; |
return $further; |
} |
} |
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# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
Line 97 sub handler {
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Line 114 sub handler {
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@rows=(); |
@rows=(); |
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&tracetable(0,$firstres,'&'.$lastres.'&'); |
&tracetable(0,$firstres,'&'.$lastres.'&'); |
$rows[$#rows+1]=''.$lastres; |
if ($hash{'src_'.$lastres}) { |
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my $brepriv= |
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&Apache::lonnet::allowed('bre',$hash{'src_'.$lastres}); |
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if (($brepriv eq '2') || ($brepriv eq 'F')) { |
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$rows[$#rows+1]=''.$lastres; |
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} |
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} |
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my $i; |
my $i; |
my $maxcols=-1; |
my $j; |
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my $lcm=1; |
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my $contents=0; |
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my %ssibody=(); |
my %ssibody=(); |
my %ssibgcolor=(); |
my %ssibgcolor=(); |
my %ssitext=(); |
my %ssitext=(); |
Line 112 sub handler {
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Line 138 sub handler {
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# --------------------------------------------- Get SSI output, post parameters |
# --------------------------------------------- Get SSI output, post parameters |
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for ($i=0;$i<=$#rows;$i++) { |
for ($i=0;$i<=$#rows;$i++) { |
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if ($rows[$i]) { |
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$contents++; |
my @colcont=split(/\&/,$rows[$i]); |
my @colcont=split(/\&/,$rows[$i]); |
$maxcols=$#colcont>$maxcols?$#colcont:$maxcols; |
$lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); |
map { |
map { |
my $src=$hash{'src_'.$_}; |
my $src=$hash{'src_'.$_}; |
$src=~/\.\w+$/; |
$src=~/\.(\w+)$/; |
$cellemb{$_}=Apache::lonnet::fileembstyle($1); |
$cellemb{$_}=Apache::lonnet::fileembstyle($1); |
if ($cellemb{$_} eq 'ssi') { |
if ($cellemb{$_} eq 'ssi') { |
# --------------------------------------------------------- This is an SSI cell |
# --------------------------------------------------------- This is an SSI cell |
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my $prefix=$_.'_'; |
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my %posthash=('request.prefix' => $prefix); |
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map { |
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if ($_=~/^form.$prefix/) { |
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my $name=$_; |
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$name=~s/^form.$prefix//; |
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$posthash{$name}=$ENV{$_}; |
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} |
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} keys %ENV; |
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my $output=Apache::lonnet::ssi($src,%posthash); |
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my $parser=HTML::TokeParser->new(\$output); |
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my $token; |
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my $bodydef=0; |
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while (($bodydef==0) && |
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($token=$parser->get_token)) { |
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if ($token->[1] eq 'body') { |
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$bodydef=1 |
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} |
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if ($token->[1] eq 'meta') { |
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} |
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if ($token->[1] eq 'script') { |
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} |
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if ($token->[1] eq 'basefont') { |
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} |
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} |
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if ($output=~/\<body[^\>]*\>(.*)/si) { |
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$output=$1; |
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} |
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$output=~s/\<\/body\>.*//si; |
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$ssibody{$_}=$output; |
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# ---------------------------------------------------------------- End SSI cell |
# ---------------------------------------------------------------- End SSI cell |
} |
} |
} @colcont; |
} @colcont; |
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} |
} |
} |
if ($maxcols<0) { |
unless ($contents) { |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->send_http_header; |
$r->send_http_header; |
$r->print('<html><body>Empty page.</body></html>'); |
$r->print('<html><body>Empty page.</body></html>'); |
} else { |
} else { |
# ------------------------------------------------------------------ Build page |
# ------------------------------------------------------------------ Build page |
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$r->content_type('text/html'); |
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$r->send_http_header; |
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$r->print('<html><body>'); |
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$r->print('<table cols="'.$lcm.'" border="1">'); |
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for ($i=0;$i<=$#rows;$i++) { |
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if ($rows[$i]) { |
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$r->print("\n<tr>"); |
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my @colcont=split(/\&/,$rows[$i]); |
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my $avespan=$lcm/($#colcont+1); |
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for ($j=0;$j<=$#colcont;$j++) { |
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my $rid=$colcont[$j]; |
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$r->print('<td colspan="'.$avespan.'"'); |
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if ($cellemb{$rid} eq 'ssi') { |
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$r->print('>'.$ssibody{$rid}); |
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} elsif ($cellemb{$rid} eq 'img') { |
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$r->print('><img src="'. |
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$hash{'src_'.$rid}.'">'); |
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} |
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$r->print('</td>'); |
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} |
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$r->print('</tr>'); |
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} |
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} |
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$r->print("\n</table>"); |
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$r->print('</body></html>'); |
# -------------------------------------------------------------------- End page |
# -------------------------------------------------------------------- End page |
} |
} |
# ------------------------------------------------------------- End render page |
# ------------------------------------------------------------- End render page |