package Apache::hinttags; use strict; use Apache::lonnet; use capa; sub BEGIN { &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint')); } @Apache::hint::which=(); sub start_hintgroup { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; my $skiptoend='1'; my $result; if ($target ne 'meta' || $target ne 'grade') { my $id=$Apache::inputtags::part; my $numtries=$Apache::lonhomework::history{"resource.$id.tries"}; if ( $numtries eq '') { $numtries = 0; } my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries"); if ( $hinttries eq '') { $hinttries = 1; } &Apache::lonxml::debug("found :$id:$numtries:$hinttries:"); if ( $numtries >= $hinttries ) { $skiptoend='0'; if ($target eq 'web') {$result='

';} } } if ($skiptoend && $target ne 'meta') { &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]); } @Apache::hint::which=(); return $result; } sub end_hintgroup { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target ne 'meta' || $target ne 'grade') { my $id=$Apache::inputtags::part; my $numtries=$Apache::lonhomework::history{"resource.$id.tries"}; if ( $numtries eq '') { $numtries = 0; } my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries"); if ( $hinttries eq '') { $hinttries = 1; } &Apache::lonxml::debug("found :$id:$numtries:$hinttries:"); if ( $numtries >= $hinttries ) { if ($target eq 'web') {$result='

';} } } @Apache::hint::which=''; return $result; } sub start_numericalhint { #do everything in end, so intervening work } sub end_numericalhint { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target ne 'meta' && $target ne 'grade') { my $args =''; $safeeval->share_from('capa',['&caparesponse_capa_check_answer']); if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); my $response = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"}; &Apache::lonxml::debug("hintgroup is using $response
\n"); my $expression="&caparesponse_check_list('".$response."','". $$parstack[$#$parstack]. ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'. ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'. "');"; $result = &Apache::run::run($expression,$safeeval); &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth"); my ($awards) = split /:/ , $result; my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards); if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); } $result=''; } return $result; } # a part shows if it is on, if no specific parts are on, then default shows sub start_hintpart { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; my $show ='0'; if ($target ne 'meta' && $target ne 'grade') { my $args =''; if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } my $on = &Apache::run::run("{$args;".'return $on}',$safeeval); if ( $on eq 'default' && $#Apache::hint::which == '-1') { } else { my $which; foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } } } if (!$show) { &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]); } } else { &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]); } return ''; } sub end_hintpart { } 1; __END__ 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.