version 1.3, 2000/07/05 21:05:28
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version 1.25, 2004/02/11 00:10:01
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Server for RAT Maps |
# Server for RAT Maps |
# |
# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# (Edit Handler for RAT Maps |
# (Edit Handler for RAT Maps |
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 7/1 Gerd Kortemeyer) |
# 7/1 Gerd Kortemeyer) |
# 7/1,7/3,7/4 Gerd Kortemeyer |
# 7/1,7/3,7/4,7/7,7/8,7/10,7/26,10/2 Gerd Kortemeyer |
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# 5/3,06/25,07/03,07/04,07/05 Gerd Kortemeyer |
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package Apache::lonratsrv; |
package Apache::lonratsrv; |
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Line 16 use Apache::File;
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Line 41 use Apache::File;
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use HTML::TokeParser; |
use HTML::TokeParser; |
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# ---------------------------------------------------------- Escape Quote Chars |
# ------------------------------------------------------------- From RAT to XML |
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sub qtescape { |
sub qtescape { |
my $str=shift; |
my $str=shift; |
$str =~ s/([\"\%])/"%".unpack('H2',$1)/eg; |
$str=~s/\&\#58\;/\:/g; |
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$str=~s/\&\#39\;/\'/g; |
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$str=~s/\&\#44\;/\,/g; |
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$str=~s/\"/\&\#34\;/g; |
return $str; |
return $str; |
} |
} |
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# ----------------------------------------------------- Un-Escape Special Chars |
# ------------------------------------------------------------- From XML to RAT |
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sub unescape { |
sub qtunescape { |
my $str=shift; |
my $str=shift; |
$str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
$str=~s/\:/\&colon\;/g; |
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$str=~s/\'/\&\#39\;/g; |
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$str=~s/\,/\&\#44\;/g; |
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$str=~s/\"/\&\#34\;/g; |
return $str; |
return $str; |
} |
} |
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Line 36 sub unescape {
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Line 67 sub unescape {
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sub loadmap { |
sub loadmap { |
my ($fn,$errtext)=@_; |
my ($fn,$errtext)=@_; |
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if ($errtext) { return('',$errtext); } |
my $outstr=''; |
my $outstr=''; |
my @content=(); |
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my @obj=(); |
my @obj=(); |
my @links=(); |
my @links=(); |
if (-e $fn) { |
my $instr=''; |
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if ($fn=~/^\/*uploaded\//) { |
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$instr=&Apache::lonnet::getfile($fn); |
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} elsif (-e $fn) { |
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my @content=(); |
{ |
{ |
my $fh=Apache::File->new($fn); |
my $fh=Apache::File->new($fn); |
@content=<$fh>; |
@content=<$fh>; |
} |
} |
my $instr=join('',@content); |
$instr=join('',@content); |
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} |
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if ($instr eq -2) { |
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$errtext.='Map not loaded: An error occured while trying to load the map.'; |
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} elsif ($instr) { |
my $parser = HTML::TokeParser->new(\$instr); |
my $parser = HTML::TokeParser->new(\$instr); |
my $token; |
my $token; |
my $graphmode=0; |
my $graphmode=0; |
Line 74 sub loadmap {
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Line 113 sub loadmap {
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$obj[$i]=1; |
$obj[$i]=1; |
} |
} |
$outstr.='<:>'; |
$outstr.='<:>'; |
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$outstr.=qtunescape($token->[2]->{'title'}).":"; |
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$outstr.=qtunescape($token->[2]->{'src'}).":"; |
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if ($token->[2]->{'external'} eq 'true') { |
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$outstr.='true:'; |
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} else { |
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$outstr.='false:'; |
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} |
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if ($token->[2]->{'type'}) { |
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$outstr.=$token->[2]->{'type'}.':'; |
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} else { |
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$outstr.='normal:'; |
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} |
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$outstr.='res'; |
} elsif ($token->[1] eq 'condition') { |
} elsif ($token->[1] eq 'condition') { |
# ------------------------------------------------------------------- Condition |
# ------------------------------------------------------------------- Condition |
$outstr.='<&>objcont'; |
$outstr.='<&>objcont'; |
Line 91 sub loadmap {
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Line 143 sub loadmap {
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$obj[$i]=1; |
$obj[$i]=1; |
} |
} |
$outstr.='<:>'; |
$outstr.='<:>'; |
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$outstr.=qtunescape($token->[2]->{'value'}).':'; |
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if ($token->[2]->{'type'}) { |
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$outstr.=$token->[2]->{'type'}.':'; |
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} else { |
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$outstr.='normal:'; |
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} |
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$outstr.='cond'; |
} elsif ($token->[1] eq 'link') { |
} elsif ($token->[1] eq 'link') { |
# ----------------------------------------------------------------------- Links |
# ----------------------------------------------------------------------- Links |
$outstr.='<&>objlinks'; |
$outstr.='<&>objlinks'; |
if ($graphmode) { |
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if ($token->[2]->{'index'}) { |
if ($token->[2]->{'index'}) { |
$errtext.='Error: multiple use of link index '. |
if ($links[$token->[2]->{'index'}]) { |
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$errtext.='Error: multiple use of link index '. |
$token->[2]->{'index'}.'. '; |
$token->[2]->{'index'}.'. '; |
$outstr.='<:>'.$token->[2]->{'index'}; |
} |
$links[$token->[2]->{'index'}]=1; |
$outstr.='<:>'.$token->[2]->{'index'}; |
} else { |
$links[$token->[2]->{'index'}]=1; |
my $i=1; |
} else { |
while (($i<=$#links) && ($links[$i]==1)) { $i++; } |
my $i=1; |
$outstr.='<:>'.$i; |
while (($i<=$#links) && ($links[$i]==1)) { $i++; } |
$links[$i]=1; |
$outstr.='<:>'.$i; |
} |
$links[$i]=1; |
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} |
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$outstr.='<:>'.$token->[2]->{'from'}. |
$outstr.='<:>'.$token->[2]->{'from'}. |
'<:>'.$token->[2]->{'to'}; |
':'.$token->[2]->{'to'}; |
if ($token->[2]->{'condition'}) { |
if ($token->[2]->{'condition'}) { |
$outstr.='<:>'.$token->[2]->{'condition'}; |
$outstr.=':'.$token->[2]->{'condition'}; |
} else { |
} else { |
$outstr.='<:>0'; |
$outstr.=':0'; |
} |
} |
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# ------------------------------------------------------------------- Parameter |
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} elsif ($token->[1] eq 'param') { |
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$outstr.='<&>objparms<:>'.$token->[2]->{'to'}.'<:>'. |
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$token->[2]->{'type'}.'___'.$token->[2]->{'name'} |
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.'___'.$token->[2]->{'value'}; |
} elsif ($graphmode) { |
} elsif ($graphmode) { |
# --------------------------------------------- All other tags (graphical only) |
# --------------------------------------------- All other tags (graphical only) |
$outstr.='<&>'.$token->[1]; |
$outstr.='<&>'.$token->[1]; |
if ($token->[2]->{'index'}) { |
if (defined($token->[2]->{'index'})) { |
$outstr.='<:>'.$token->[2]->{'index'}; |
$outstr.='<:>'.$token->[2]->{'index'}; |
if ($token->[1] eq 'obj') { |
if ($token->[1] eq 'obj') { |
$obj[$token->[2]->{'index'}]=2; |
$obj[$token->[2]->{'index'}]=2; |
Line 138 sub loadmap {
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Line 205 sub loadmap {
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sub savemap { |
sub savemap { |
my ($fn,$errtext)=@_; |
my ($fn,$errtext)=@_; |
if (($fn=~/\.course$/) || |
my %alltypes; |
($fn=~/\.sequence$/) || |
my %allvalues; |
($fn=~/\.page$/)) { |
if (($fn=~/\.sequence(\.tmp)*$/) || |
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($fn=~/\.page(\.tmp)*$/)) { |
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# ------------------------------------------------------------- Deal with input |
# ------------------------------------------------------------- Deal with input |
my @tags=split(/<&>/,$ENV{'form.output'}); |
my @tags=split(/<&>/,$ENV{'form.output'}); |
my $outstr=''; |
my $outstr=''; |
Line 151 sub savemap {
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Line 220 sub savemap {
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} else { |
} else { |
$outstr="<map>\n"; |
$outstr="<map>\n"; |
} |
} |
map { |
foreach (@tags) { |
my @parts=split(/<:>/,$_); |
my @parts=split(/<:>/,$_); |
if ($parts[0] eq 'objcont') { |
if ($parts[0] eq 'objcont') { |
my @comp=split(/:/,$parts[$#parts]); |
my @comp=split(/:/,$parts[$#parts]); |
# --------------------------------------------------------------- Logical input |
# --------------------------------------------------------------- Logical input |
if ($comp[$#comp] eq 'res') { |
if ($comp[$#comp] eq 'res') { |
$comp[0]=~s/\&\#(\d+)\;/pack("C",$1)/eg; |
$comp[0]=qtescape($comp[0]); |
$comp[1]=~s/\&\#(\d+)\;/pack("C",$1)/eg; |
$comp[1]=qtescape($comp[1]); |
if ($comp[2] eq 'true') { |
if ($comp[2] eq 'true') { |
if ($comp[1]!~/^http\:\/\//) { |
if ($comp[1]!~/^http\:\/\//) { |
$comp[1]='http://'.$comp[1]; |
$comp[1]='http://'.$comp[1]; |
} |
} |
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$comp[1].='" external="true'; |
} else { |
} else { |
if ($comp[1]=~/^http\:\/\//) { |
if ($comp[1]=~/^http\:\/\//) { |
$comp[1]=~s/^http\:\/\/[^\/]*\//\//; |
$comp[1]=~s/^http\:\/\/[^\/]*\//\//; |
} |
} |
} |
} |
$outstr.='<resource id="'.$parts[1].'" src="' |
$outstr.='<resource id="'.$parts[1].'" src="' |
.qtescape($comp[1]).'"'; |
.$comp[1].'"'; |
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if (($comp[3] ne '') && ($comp[3] ne 'normal')) { |
if (($comp[3] ne '') && ($comp[3] ne 'normal')) { |
$outstr.=' type="'.$comp[3].'"'; |
$outstr.=' type="'.$comp[3].'"'; |
} |
} |
if ($comp[0] ne '') { |
if ($comp[0] ne '') { |
$outstr.=' title="'.qtescape($comp[0]).'"'; |
$outstr.=' title="'.$comp[0].'"'; |
} |
} |
$outstr.="></resource>\n"; |
$outstr.="></resource>\n"; |
} elsif ($comp[$#comp] eq 'cond') { |
} elsif ($comp[$#comp] eq 'cond') { |
Line 196 sub savemap {
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Line 266 sub savemap {
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} |
} |
$outstr.=' index="'.$parts[1].'"'; |
$outstr.=' index="'.$parts[1].'"'; |
$outstr.="></link>\n"; |
$outstr.="></link>\n"; |
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} elsif ($parts[0] eq 'objparms') { |
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undef %alltypes; |
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undef %allvalues; |
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foreach (split(/:/,$parts[$#parts])) { |
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my ($type,$name,$value)=split(/\_\_\_/,$_); |
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$alltypes{$name}=$type; |
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$allvalues{$name}=$value; |
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} |
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foreach (keys %allvalues) { |
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if ($allvalues{$_} ne '') { |
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$outstr.='<param to="'.$parts[1].'" type="' |
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.$alltypes{$_}.'" name="'.$_ |
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.'" value="'.$allvalues{$_}.'">' |
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."</param>\n"; |
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} |
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} |
} elsif (($parts[0] ne '') && ($graphdef)) { |
} elsif (($parts[0] ne '') && ($graphdef)) { |
# ------------------------------------------------------------- Graphical input |
# ------------------------------------------------------------- Graphical input |
$outstr.='<'.$parts[0]; |
$outstr.='<'.$parts[0]; |
Line 205 sub savemap {
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Line 291 sub savemap {
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$outstr.=' value="'.qtescape($parts[$#parts]).'"></'. |
$outstr.=' value="'.qtescape($parts[$#parts]).'"></'. |
$parts[0].">\n"; |
$parts[0].">\n"; |
} |
} |
} @tags; |
} |
$outstr.="</map>\n"; |
$outstr.="</map>\n"; |
{ |
if ($fn=~/^\/*uploaded\/(\w+)\/(\w+)\//) { |
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$ENV{'form.output'}=$outstr; |
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my $home=&Apache::lonnet::homeserver($2,$1); |
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my $result=&Apache::lonnet::finishuserfileupload($2,$1,$home, |
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'output',(split(/\//,$fn))[-1]); |
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if ($result != m|^/uploaded/|) { |
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$errtext.='Map not saved: A network error occured when trying to save the map. '; |
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} |
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} else { |
my $fh; |
my $fh; |
if ($fh=Apache::File->new(">$fn")) { |
if ($fh=Apache::File->new(">$fn")) { |
print $fh $outstr; |
print $fh $outstr; |
$errtext.="Map saved as $fn. "; |
$errtext.="Map saved as $fn. "; |
} else { |
} else { |
$errtext.='Could not write file $fn. Map not saved. '; |
$errtext.='Could not write file '.$fn.'. Map not saved. '; |
} |
} |
} |
} |
} else { |
} else { |
Line 239 sub handler {
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Line 333 sub handler {
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$url=~s/\/loadonly\/ratserver$/\/save\/ratserver/; |
$url=~s/\/loadonly\/ratserver$/\/save\/ratserver/; |
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my $fn=$r->filename; |
my $fn=$r->filename; |
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my $lonDocRoot=$r->dir_config('lonDocRoot'); |
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if ( $fn =~ /$lonDocRoot/ ) { |
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#internal authentication, needs fixup. |
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$fn = $url; |
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$fn=~s|^/~(\w+)|/home/$1/public_html|; |
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$fn=~s|/[^/]*/ratserver$||; |
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} |
my $errtext=''; |
my $errtext=''; |
my $outtext=''; |
my $outtext=''; |
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Line 253 sub handler {
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Line 354 sub handler {
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<form name=storage method=post action="$url"> |
<form name=storage method=post action="$url"> |
<input type=hidden name=output value="$outtext"> |
<input type=hidden name=output value="$outtext"> |
</form> |
</form> |
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<script> |
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parent.flag=1; |
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</script> |
ENDDOCUMENT |
ENDDOCUMENT |
if ($errtext ne '') { |
if ($errtext ne '') { |
$r->print(<<ENDSCRIPT); |
$r->print(<<ENDSCRIPT); |
Line 268 ENDSCRIPT
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Line 372 ENDSCRIPT
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1; |
1; |
__END__ |
__END__ |
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