--- rat/lonuserstate.pm 2007/06/28 23:26:38 1.118.2.2 +++ rat/lonuserstate.pm 2007/08/28 01:09:14 1.121 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Construct and maintain state and binary representation of course for user # -# $Id: lonuserstate.pm,v 1.118.2.2 2007/06/28 23:26:38 albertel Exp $ +# $Id: lonuserstate.pm,v 1.121 2007/08/28 01:09:14 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -56,7 +56,6 @@ my $retfrid; # variable with the very fi my $retfurl; # first URL my %randompick; # randomly picked resources my %randompickseed; # optional seed for randomly picking resources -my %randomorder; # maps to order contents randomly my %encurl; # URLs in this folder are supposed to be encrypted my %hiddenurl; # this URL (or complete folder) is supposed to be hidden @@ -107,9 +106,11 @@ sub processversionfile { # --------------------------------------------------------- Loads map from disk sub loadmap { - my ($uri,$parent_rid)=@_; + my $uri=shift; if ($hash{'map_pc_'.$uri}) { - $errtext.=&mt('
Multiple use of sequence/page [_1]! The course will not function properly.',$uri); + $errtext.='

'. + &mt('Multiple use of sequence/page [_1]! The course will not function properly.',''.$uri.''). + '

'; return; } $pc++; @@ -130,250 +131,213 @@ sub loadmap { my $instr=&Apache::lonnet::getfile($fn); - if ($instr eq -1) { - $errtext.=&mt('
Map not loaded: The file [_1] does not exist.',$fn); - return; - } + unless ($instr eq -1) { # Successfully got file, parse it - my $parser = HTML::TokeParser->new(\$instr); - $parser->attr_encoded(1); - # first get all parameters - while (my $token = $parser->get_token) { - next if ($token->[0] ne 'S'); - if ($token->[1] eq 'param') { - &parse_param($token,$lpc); - } - } - #reset parser - $parser = HTML::TokeParser->new(\$instr); - $parser->attr_encoded(1); + my $parser = HTML::TokeParser->new(\$instr); + $parser->attr_encoded(1); + my $token; - my $linkpc=0; + my $linkpc=0; - $fn=~/\.(\w+)$/; + $fn=~/\.(\w+)$/; - $hash{'map_type_'.$lpc}=$1; + $hash{'map_type_'.$lpc}=$1; - my $randomize = ($randomorder{$parent_rid} =~ /^yes$/i); + while ($token = $parser->get_token) { + if ($token->[0] eq 'S') { + if ($token->[1] eq 'resource') { +# -------------------------------------------------------------------- Resource + if ($token->[2]->{'type'} eq 'zombie') { next; } + my $rid=$lpc.'.'.$token->[2]->{'id'}; - my @map_ids; - while (my $token = $parser->get_token) { - next if ($token->[0] ne 'S'); - if ($token->[1] eq 'resource') { - push(@map_ids,&parse_resource($token,$lpc,$ispage,$uri)); - } elsif ($token->[1] eq 'link' && !$randomize) { -# ----------------------------------------------------------------------- Links - &make_link(++$linkpc,$lpc,$token->[2]->{'to'}, - $token->[2]->{'from'}, - $token->[2]->{'condition'}); - } elsif ($token->[1] eq 'condition' && !$randomize) { - &parse_condition($token,$lpc); - } - } + $hash{'kind_'.$rid}='res'; + $hash{'title_'.$rid}=$token->[2]->{'title'}; + my $turi=&versiontrack($token->[2]->{'src'}); + if ($token->[2]->{'version'}) { + unless ($hash{'version_'.$turi}) { + $hash{'version_'.$turi}=$1; + } + } + my $title=$token->[2]->{'title'}; + $title=~s/\&colon\;/\:/gs; +# my $symb=&Apache::lonnet::encode_symb($uri, +# $token->[2]->{'id'}, +# $turi); +# &Apache::lonnet::do_cache_new('title',$symb,$title); + unless ($ispage) { + $turi=~/\.(\w+)$/; + my $embstyle=&Apache::loncommon::fileembstyle($1); + if ($token->[2]->{'external'} eq 'true') { # external + $turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; + } elsif ($turi=~/^\/*uploaded\//) { # uploaded + if (($embstyle eq 'img') + || ($embstyle eq 'emb') + || ($embstyle eq 'wrp')) { + $turi='/adm/wrapper'.$turi; + } elsif ($embstyle eq 'ssi') { + #do nothing with these + } elsif ($turi!~/\.(sequence|page)$/) { + $turi='/adm/coursedocs/showdoc'.$turi; + } + } elsif ($turi=~/\S/) { # normal non-empty internal resource + my $mapdir=$uri; + $mapdir=~s/[^\/]+$//; + $turi=&Apache::lonnet::hreflocation($mapdir,$turi); + if (($embstyle eq 'img') + || ($embstyle eq 'emb') + || ($embstyle eq 'wrp')) { + $turi='/adm/wrapper'.$turi; + } + } + } +# Store reverse lookup, remove query string + my $idsuri=$turi; + $idsuri=~s/\?.+$//; + if (defined($hash{'ids_'.$idsuri})) { + $hash{'ids_'.$idsuri}.=','.$rid; + } else { + $hash{'ids_'.$idsuri}=''.$rid; + } + + if ($turi=~/\/(syllabus|aboutme|navmaps|smppg|bulletinboard)$/) { + $turi.='?register=1'; + } - if ($randomize) { - my $seed = (split(/\./,$parent_rid))[1]; - if ($randompickseed{$parent_rid}) { - $seed = $randompickseed{$parent_rid}; - } - my $rndseed=&Apache::lonnet::rndseed($seed); - &Apache::lonnet::setup_random_from_rndseed($rndseed); - my @map_ids=&Math::Random::random_permutation(@map_ids); - my $from = shift(@map_ids); - my $from_rid = $lpc.'.'.$from; - $hash{'map_start_'.$uri} = $from_rid; - $hash{'type_'.$from_rid}='start'; - - while (my $to = shift(@map_ids)) { - &make_link(++$linkpc,$lpc,$to,$from); - my $to_rid = $lpc.'.'.$to; - $hash{'type_'.$to_rid}='normal'; - $from = $to; - $from_rid = $to_rid; - } + $hash{'src_'.$rid}=$turi; - $hash{'map_finish_'.$uri}= $from_rid; - $hash{'type_'.$from_rid}='finish'; - } -} + if ($token->[2]->{'external'} eq 'true') { + $hash{'ext_'.$rid}='true:'; + } else { + $hash{'ext_'.$rid}='false:'; + } + if ($token->[2]->{'type'}) { + $hash{'type_'.$rid}=$token->[2]->{'type'}; + if ($token->[2]->{'type'} eq 'start') { + $hash{'map_start_'.$uri}="$rid"; + } + if ($token->[2]->{'type'} eq 'finish') { + $hash{'map_finish_'.$uri}="$rid"; + } + } else { + $hash{'type_'.$rid}='normal'; + } + + if (($turi=~/\.sequence$/) || + ($turi=~/\.page$/)) { + $hash{'is_map_'.$rid}=1; + &loadmap($turi); + } + + } elsif ($token->[1] eq 'condition') { +# ------------------------------------------------------------------- Condition + my $rid=$lpc.'.'.$token->[2]->{'id'}; -# -------------------------------------------------------------------- Resource -sub parse_resource { - my ($token,$lpc,$ispage,$uri) = @_; - if ($token->[2]->{'type'} eq 'zombie') { next; } - my $rid=$lpc.'.'.$token->[2]->{'id'}; - - $hash{'kind_'.$rid}='res'; - $hash{'title_'.$rid}=$token->[2]->{'title'}; - my $turi=&versiontrack($token->[2]->{'src'}); - if ($token->[2]->{'version'}) { - unless ($hash{'version_'.$turi}) { - $hash{'version_'.$turi}=$1; - } - } - my $title=$token->[2]->{'title'}; - $title=~s/\&colon\;/\:/gs; -# my $symb=&Apache::lonnet::encode_symb($uri, -# $token->[2]->{'id'}, -# $turi); -# &Apache::lonnet::do_cache_new('title',$symb,$title); - unless ($ispage) { - $turi=~/\.(\w+)$/; - my $embstyle=&Apache::loncommon::fileembstyle($1); - if ($token->[2]->{'external'} eq 'true') { # external - $turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; - } elsif ($turi=~/^\/*uploaded\//) { # uploaded - if (($embstyle eq 'img') - || ($embstyle eq 'emb') - || ($embstyle eq 'wrp')) { - $turi='/adm/wrapper'.$turi; - } elsif ($embstyle eq 'ssi') { - #do nothing with these - } elsif ($turi!~/\.(sequence|page)$/) { - $turi='/adm/coursedocs/showdoc'.$turi; - } - } elsif ($turi=~/\S/) { # normal non-empty internal resource - my $mapdir=$uri; - $mapdir=~s/[^\/]+$//; - $turi=&Apache::lonnet::hreflocation($mapdir,$turi); - if (($embstyle eq 'img') - || ($embstyle eq 'emb') - || ($embstyle eq 'wrp')) { - $turi='/adm/wrapper'.$turi; - } - } - } -# Store reverse lookup, remove query string - my $idsuri=$turi; - $idsuri=~s/\?.+$//; - if (defined($hash{'ids_'.$idsuri})) { - $hash{'ids_'.$idsuri}.=','.$rid; - } else { - $hash{'ids_'.$idsuri}=''.$rid; - } - - if ($turi=~/\/(syllabus|aboutme|navmaps|smppg|bulletinboard)$/) { - $turi.='?register=1'; - } - - $hash{'src_'.$rid}=$turi; - - if ($token->[2]->{'external'} eq 'true') { - $hash{'ext_'.$rid}='true:'; - } else { - $hash{'ext_'.$rid}='false:'; - } - if ($token->[2]->{'type'}) { - $hash{'type_'.$rid}=$token->[2]->{'type'}; - if ($token->[2]->{'type'} eq 'start') { - $hash{'map_start_'.$uri}="$rid"; - } - if ($token->[2]->{'type'} eq 'finish') { - $hash{'map_finish_'.$uri}="$rid"; - } - } else { - $hash{'type_'.$rid}='normal'; - } - - if (($turi=~/\.sequence$/) || - ($turi=~/\.page$/)) { - $hash{'is_map_'.$rid}=1; - &loadmap($turi,$rid); - } - return $token->[2]->{'id'}; -} + $hash{'kind_'.$rid}='cond'; + $cond[$#cond+1]=$token->[2]->{'value'}; + $hash{'condid_'.$rid}=$#cond; + if ($token->[2]->{'type'}) { + $cond[$#cond].=':'.$token->[2]->{'type'}; + } else { + $cond[$#cond].=':normal'; + } + + } elsif ($token->[1] eq 'link') { +# ----------------------------------------------------------------------- Links -sub make_link { - my ($linkpc,$lpc,$to,$from,$condition) = @_; - - my $linkid=$lpc.'.'.$linkpc; - my $goesto=$lpc.'.'.$to; - my $comesfrom=$lpc.'.'.$from; - my $undercond=0; - - if ($condition) { - $undercond=$lpc.'.'.$condition; - } - - $hash{'goesto_'.$linkid}=$goesto; - $hash{'comesfrom_'.$linkid}=$comesfrom; - $hash{'undercond_'.$linkid}=$undercond; + $linkpc++; + my $linkid=$lpc.'.'.$linkpc; + + my $goesto=$lpc.'.'.$token->[2]->{'to'}; + my $comesfrom=$lpc.'.'.$token->[2]->{'from'}; + my $undercond=0; + + if ($token->[2]->{'condition'}) { + $undercond=$lpc.'.'.$token->[2]->{'condition'}; + } + + $hash{'goesto_'.$linkid}=$goesto; + $hash{'comesfrom_'.$linkid}=$comesfrom; + $hash{'undercond_'.$linkid}=$undercond; + + if (defined($hash{'to_'.$comesfrom})) { + $hash{'to_'.$comesfrom}.=','.$linkid; + } else { + $hash{'to_'.$comesfrom}=''.$linkid; + } + if (defined($hash{'from_'.$goesto})) { + $hash{'from_'.$goesto}.=','.$linkid; + } else { + $hash{'from_'.$goesto}=''.$linkid; + } + } elsif ($token->[1] eq 'param') { +# ------------------------------------------------------------------- Parameter + + my $referid=$lpc.'.'.$token->[2]->{'to'}; + my $name=$token->[2]->{'name'}; + my $part; + if ($name=~/^parameter_(.*)_/) { + $part=$1; + } else { + $part=0; + } + $name=~s/^.*_([^_]*)$/$1/; + my $newparam= + &escape($token->[2]->{'type'}).':'. + &escape($part.'.'.$name).'='. + &escape($token->[2]->{'value'}); + if (defined($hash{'param_'.$referid})) { + $hash{'param_'.$referid}.='&'.$newparam; + } else { + $hash{'param_'.$referid}=''.$newparam; + } + if ($token->[2]->{'name'}=~/^parameter_(0_)*randompick$/) { + $randompick{$referid}=$token->[2]->{'value'}; + } + if ($token->[2]->{'name'}=~/^parameter_(0_)*randompickseed$/) { + $randompickseed{$referid}=$token->[2]->{'value'}; + } + if ($token->[2]->{'name'}=~/^parameter_(0_)*encrypturl$/) { + if ($token->[2]->{'value'}=~/^yes$/i) { + $encurl{$referid}=1; + } + } + if ($token->[2]->{'name'}=~/^parameter_(0_)*hiddenresource$/) { + if ($token->[2]->{'value'}=~/^yes$/i) { + $hiddenurl{$referid}=1; + } + } + } + + } + } - if (defined($hash{'to_'.$comesfrom})) { - $hash{'to_'.$comesfrom}.=','.$linkid; - } else { - $hash{'to_'.$comesfrom}=''.$linkid; - } - if (defined($hash{'from_'.$goesto})) { - $hash{'from_'.$goesto}.=','.$linkid; } else { - $hash{'from_'.$goesto}=''.$linkid; + $errtext.=&mt('
Map not loaded: The file [_1] does not exist.',$fn); } -} -# ------------------------------------------------------------------- Condition -sub parse_condition { - my ($token,$lpc) = @_; - my $rid=$lpc.'.'.$token->[2]->{'id'}; - - $hash{'kind_'.$rid}='cond'; - $cond[$#cond+1]=$token->[2]->{'value'}; - $hash{'condid_'.$rid}=$#cond; - if ($token->[2]->{'type'}) { - $cond[$#cond].=':'.$token->[2]->{'type'}; - } else { - $cond[$#cond].=':normal'; + my $parser = HTML::TokeParser->new(\$instr); + $parser->attr_encoded(1); + # last parse out the mapalias params so as to ignore anything + # refering to non-existant resources + while (my $token = $parser->get_token) { + next if ($token->[0] ne 'S'); + if ($token->[1] eq 'param') { + &parse_mapalias_param($token,$lpc); + } } } -# ------------------------------------------------------------------- Parameter - -sub parse_param { +sub parse_mapalias_param { my ($token,$lpc) = @_; my $referid=$lpc.'.'.$token->[2]->{'to'}; - my $name=$token->[2]->{'name'}; - my $part; - if ($name=~/^parameter_(.*)_/) { - $part=$1; - } else { - $part=0; - } - $name=~s/^.*_([^_]*)$/$1/; - my $newparam= - &escape($token->[2]->{'type'}).':'. - &escape($part.'.'.$name).'='. - &escape($token->[2]->{'value'}); - if (defined($hash{'param_'.$referid})) { - $hash{'param_'.$referid}.='&'.$newparam; - } else { - $hash{'param_'.$referid}=''.$newparam; - } + return if (!exists($hash{'src_'.$referid})); + if ($token->[2]->{'name'}=~/^parameter_(0_)*mapalias$/) { $hash{'mapalias_'.$token->[2]->{'value'}}=$referid; } - if ($token->[2]->{'name'}=~/^parameter_(0_)*randompick$/) { - $randompick{$referid}=$token->[2]->{'value'}; - } - if ($token->[2]->{'name'}=~/^parameter_(0_)*randompickseed$/) { - $randompickseed{$referid}=$token->[2]->{'value'}; - } - if ($token->[2]->{'name'}=~/^parameter_(0_)*randomorder$/) { - $randomorder{$referid}=$token->[2]->{'value'}; - &Apache::lonnet::logthis("roing $referid ".$randomorder{$referid}); - } - if ($token->[2]->{'name'}=~/^parameter_(0_)*encrypturl$/) { - if ($token->[2]->{'value'}=~/^yes$/i) { - $encurl{$referid}=1; - } - } - if ($token->[2]->{'name'}=~/^parameter_(0_)*hiddenresource$/) { - if ($token->[2]->{'value'}=~/^yes$/i) { - $hiddenurl{$referid}=1; - } - } } # --------------------------------------------------------- Simplify expression @@ -404,7 +368,7 @@ sub simplify { sub traceroute { my ($sofar,$rid,$beenhere,$encflag,$hdnflag)=@_; my $newsofar=$sofar=simplify($sofar); - unless ($beenhere=~/\&$rid\&/) { + unless ($beenhere=~/\&\Q$rid\E\&/) { $beenhere.=$rid.'&'; my ($mapid,$resid)=split(/\./,$rid); my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$rid}); @@ -641,7 +605,7 @@ sub readmap { $hash{'title_0.0'}=&Apache::lonnet::metadata($uri,'title'); $hash{'ids_'.$furi}='0.0'; $hash{'is_map_0.0'}=1; - loadmap($uri,'0.0'); + loadmap($uri); if (defined($hash{'map_start_'.$uri})) { &Apache::lonnet::appenv("request.course.id" => $short, "request.course.fn" => $fn,