1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.204 2006/12/19 00:49:53 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::caparesponse;
30: use strict;
31: use capa;
32: use Safe::Hole;
33: use Apache::lonmaxima();
34: use Apache::lonlocal;
35: use Apache::lonnet;
36: use Apache::response();
37: use Storable qw(dclone);
38:
39: BEGIN {
40: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
41: }
42:
43: my %answer;
44: my @answers;
45: sub get_answer { return %answer; };
46: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
47: sub pop_answer { %answer = %{pop(@answers)}; };
48:
49: my $cur_name;
50: my $tag_internal_answer_name = 'INTERNAL';
51:
52: sub start_answer {
53: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
54: my $result;
55: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
56: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
57: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
58: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
59: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
60: }
61: if (!defined($type)) { $type = 'ordered' };
62: $answer{$cur_name}= { 'type' => $type,
63: 'answers' => [] };
64: return $result;
65: }
66:
67: sub end_answer {
68: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
69: my $result;
70: undef($cur_name);
71: return $result;
72: }
73:
74: sub start_answergroup {
75: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
76: my $result;
77: return $result;
78: }
79:
80: sub end_answergroup {
81: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
82: my $result;
83: if ($target eq 'web') {
84: if ( &Apache::response::show_answer() ) {
85: my $partid = $Apache::inputtags::part;
86: my $id = $Apache::inputtags::response[-1];
87: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
88: $target,$token,$tagstack,$parstack,$parser,
89: $safeeval,-2);
90: }
91: }
92: return $result;
93: }
94:
95: sub start_value {
96: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
97: my $result;
98: if ( $target eq 'web' || $target eq 'tex' ||
99: $target eq 'grade' || $target eq 'webgrade' ||
100: $target eq 'answer' || $target eq 'analyze' ) {
101: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
102: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
103: $$parstack[-1]);
104:
105: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
106:
107: }
108: return $result;
109: }
110:
111: sub end_value {
112: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
113: my $result;
114: return $result;
115: }
116:
117: sub start_vector {
118: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
119: my $result;
120: if ( $target eq 'web' || $target eq 'tex' ||
121: $target eq 'grade' || $target eq 'webgrade' ||
122: $target eq 'answer' || $target eq 'analyze' ) {
123: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
124: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
125: if (@values == 1) {
126: @values = split(',',$values[0]);
127: }
128: push(@{ $answer{$cur_name}{'answers'} },\@values);
129: }
130: return $result;
131: }
132:
133: sub end_vector {
134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
135: my $result;
136: return $result;
137: }
138:
139: sub start_array {
140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
141: my $result;
142: if ( $target eq 'web' || $target eq 'tex' ||
143: $target eq 'grade' || $target eq 'webgrade' ||
144: $target eq 'answer' || $target eq 'analyze' ) {
145: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
146: my @values = &Apache::run::evaluate($bodytext,$safeeval,
147: $$parstack[-1]);
148: push(@{ $answer{$cur_name}{'answers'} },@values);
149: }
150: return $result;
151: }
152:
153: sub end_array {
154: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
155: my $result;
156: return $result;
157: }
158:
159: sub start_unit {
160: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
161: my $result;
162: return $result;
163: }
164:
165: sub end_unit {
166: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
167: my $result;
168: return $result;
169: }
170:
171: sub start_numericalresponse {
172: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
173: &Apache::lonxml::register('Apache::caparesponse',
174: ('answer','answergroup','value','array','unit',
175: 'vector'));
176: my $id = &Apache::response::start_response($parstack,$safeeval);
177: my $result;
178: undef(%answer);
179: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
180: if ($target eq 'edit') {
181: $result.=&Apache::edit::tag_start($target,$token);
182: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
183: if ($token->[1] eq 'numericalresponse') {
184: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
185: $token).
186: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
187: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
188: &Apache::loncommon::help_open_topic('Physical_Units');
189: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
190: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
191: } elsif ($token->[1] eq 'formularesponse') {
192: $result.=&Apache::edit::text_arg('Sample Points:','samples',
193: $token,40).
194: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
195: }
196: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
197: } elsif ($target eq 'modified') {
198: my $constructtag;
199: if ($token->[1] eq 'numericalresponse') {
200: $constructtag=&Apache::edit::get_new_args($token,$parstack,
201: $safeeval,'answer',
202: 'incorrect','unit',
203: 'format');
204: } elsif ($token->[1] eq 'formularesponse') {
205: $constructtag=&Apache::edit::get_new_args($token,$parstack,
206: $safeeval,'answer',
207: 'samples');
208: }
209: if ($constructtag) {
210: $result = &Apache::edit::rebuild_tag($token);
211: $result.=&Apache::edit::handle_insert();
212: }
213: } elsif ($target eq 'meta') {
214: $result=&Apache::response::meta_package_write('numericalresponse');
215: } elsif ($target eq 'answer' || $target eq 'grade') {
216: &Apache::response::reset_params();
217: } elsif ($target eq 'web') {
218: my $partid = $Apache::inputtags::part;
219: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
220: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
221: #no way to enter units, with radio buttons
222: if (lc($hideunit) eq "yes") {
223: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
224: $safeeval);
225: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
226: }
227: if ( &Apache::response::show_answer() ) {
228: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
229: $parstack,$parser,$safeeval,-1);
230: }
231: }
232: return $result;
233: }
234:
235: sub set_answertext {
236: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
237: $response_level) = @_;
238: &add_in_tag_answer($parstack,$safeeval,$response_level);
239:
240: return if ($name eq '' || !ref($answer{$name}));
241:
242: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
243: $safeeval,$response_level);
244: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
245: $response_level);
246:
247: &Apache::lonxml::debug("answer looks to be $name");
248: my @answertxt;
249: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
250: my $answertxt;
251: my $answer=$answer{$name}{'answers'}[$i];
252: foreach my $element (@$answer) {
253: if ( scalar(@$tagstack)
254: && $tagstack->[$response_level] ne 'numericalresponse') {
255: $answertxt.=$element.',';
256: } else {
257: my $format;
258: if ($#formats > 0) {
259: $format=$formats[$i];
260: } else {
261: $format=$formats[0];
262: }
263: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
264: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
265: my $formatted=&format_number($element,$format,$target,
266: $safeeval);
267: $answertxt.=' '.$formatted.',';
268: }
269:
270: }
271: chop($answertxt);
272: if ($target eq 'web') {
273: $answertxt.=" $unit ";
274: }
275:
276: push(@answertxt,$answertxt)
277: }
278:
279: my $id = $Apache::inputtags::response[-1];
280: $Apache::inputtags::answertxt{$id}=\@answertxt;
281: }
282:
283: sub setup_capa_args {
284: my ($safeeval,$parstack,$args,$response) = @_;
285: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
286: undef(%{ $args_ref });
287:
288: foreach my $arg (@{$args}) {
289: $$args_ref{$arg}=
290: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
291: }
292: foreach my $key (keys(%Apache::inputtags::params)) {
293: $$args_ref{$key}=$Apache::inputtags::params{$key};
294: }
295: &setup_capa_response($args_ref,$response);
296: return $args_ref;
297: }
298:
299: sub setup_capa_response {
300: my ($args_ref,$response) = @_;
301:
302: use Data::Dumper;
303: &Apache::lonxml::debug("response dump is ".&Dumper($response));
304:
305: if (ref($response)) {
306: $$args_ref{'response'}=dclone($response);
307: } else {
308: $$args_ref{'response'}=dclone([$response]);
309: }
310: }
311:
312: sub check_submission {
313: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
314: my @args = ('type','tol','sig','format','unit','calc','samples');
315: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
316:
317: my $hideunit=
318: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
319: #no way to enter units, with radio buttons
320: if ($Apache::lonhomework::type eq 'exam' ||
321: lc($hideunit) eq "yes") {
322: delete($$args_ref{'unit'});
323: }
324: #sig fig don't make much sense either
325: if (($Apache::lonhomework::type eq 'exam' ||
326: &Apache::response::submitted('scantron') ||
327: $ignore_sig) &&
328: $tag eq 'numericalresponse') {
329: delete($$args_ref{'sig'});
330: }
331:
332: if ($tag eq 'formularesponse') {
333: if ($$args_ref{'samples'}) {
334: $$args_ref{'type'}='fml';
335: } else {
336: $$args_ref{'type'}='math';
337: }
338: } elsif ($tag eq 'numericalresponse') {
339: $$args_ref{'type'}='float';
340: }
341:
342: &add_in_tag_answer($parstack,$safeeval);
343:
344: my (@final_awards,@final_msgs,@names);
345: foreach my $name (keys(%answer)) {
346: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
347:
348: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
349: &setup_capa_response($args_ref,$response);
350: use Time::HiRes;
351: my $t0 = [Time::HiRes::gettimeofday()];
352: my ($result,@msgs) =
353: &Apache::run::run("&caparesponse_check_list()",$safeeval);
354: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
355: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
356: my ($awards)=split(/:/,$result);
357: my @awards= split(/,/,$awards);
358: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
359: push(@final_awards,$ad);
360: push(@final_msgs,$msg);
361: push(@names,$name);
362: }
363: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
364: \@final_msgs,
365: \@names,1);
366: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
367: return($ad,$msg, $name);
368: }
369:
370: sub add_in_tag_answer {
371: my ($parstack,$safeeval,$response_level) = @_;
372: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
373: $response_level);
374: &Apache::lonxml::debug('answer is'.join(':',@answer));
375: if (@answer && defined($answer[0])) {
376: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
377: 'answers' => [\@answer] };
378: }
379: }
380:
381: sub capa_formula_fix {
382: my ($expression)=@_;
383: return &Apache::response::implicit_multiplication($expression);
384: }
385:
386: sub end_numericalresponse {
387: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
388: my $increment=1;
389: my $result = '';
390: if (!$Apache::lonxml::default_homework_loaded) {
391: &Apache::lonxml::default_homework_load($safeeval);
392: }
393: my $partid = $Apache::inputtags::part;
394: my $id = $Apache::inputtags::response[-1];
395: my $tag;
396: my $safehole = new Safe::Hole;
397: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
398: $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
399: $safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,'&maxima_cas_formula_fix');
400: $safehole->wrap(\&capa_formula_fix,$safeeval,'&capa_formula_fix');
401:
402: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
403: if ( $target eq 'grade' && &Apache::response::submitted() ) {
404: &Apache::response::setup_params($tag,$safeeval);
405: if ($Apache::lonhomework::type eq 'exam' &&
406: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
407: $increment=&Apache::response::scored_response($partid,$id);
408: } else {
409: my $response = &Apache::response::getresponse();
410: if ( $response =~ /[^\s]/) {
411: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
412: &Apache::lonxml::debug("submitted a $response<br>\n");
413: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
414:
415: if ( &Apache::response::submitted('scantron')) {
416: my ($values,$display)=&make_numerical_bubbles($partid,$id,
417: $target,$parstack,$safeeval);
418: $response=$values->[$response];
419: }
420: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
421: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
422: $tag,$parstack,
423: $safeeval);
424:
425: &Apache::lonxml::debug('ad is'.$ad);
426: if ($ad eq 'SIG_FAIL') {
427: my ($sig_u,$sig_l)=
428: &get_sigrange($Apache::inputtags::params{'sig'});
429: $msg=join(':',$msg,$sig_l,$sig_u);
430: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
431: $Apache::inputtags::params{'sig'});
432: }
433: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
434: if ($Apache::lonhomework::type eq 'survey' &&
435: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
436: $ad eq 'EXACT_ANS')) {
437: $ad='SUBMITTED';
438: }
439: &Apache::response::handle_previous(\%previous,$ad);
440: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
441: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
442: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
443: $result='';
444: }
445: }
446: } elsif ($target eq 'web' || $target eq 'tex') {
447: &check_for_answer_errors($parstack,$safeeval);
448: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
449: my $status = $Apache::inputtags::status['-1'];
450: if ($Apache::lonhomework::type eq 'exam') {
451: # FIXME support multi dimensional numerical problems
452: # in exam bubbles
453: my ($bubble_values,$bubble_display)=
454: &make_numerical_bubbles($partid,$id,$target,$parstack,
455: $safeeval);
456: my $number_of_bubbles = scalar(@{ $bubble_values });
457: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
458: $safeeval);
459: my @alphabet=('A'..'Z');
460: if ($target eq 'web') {
461: if ($tag eq 'numericalresponse') {
462: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
463: $result.= '<table border="1"><tr>';
464: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
465: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
466: my $checked='';
467: if ($previous eq $bubble_values->[$ind]) {
468: $checked=" checked='on' ";
469: }
470: $result.='<td><input type="radio" name="HWVAL_'.$id.
471: '" value="'.$bubble_values->[$ind].'" '.$checked
472: .' /><b>'.$alphabet[$ind].'</b>: '.
473: $bubble_display->[$ind].'</td>';
474: }
475: $result.='</tr></table>';
476: }
477: } elsif ($target eq 'tex') {
478: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
479: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
480: }
481: if ($tag eq 'numericalresponse') {
482: my ($celllength,$number_of_tables,@table_range)=
483: &get_table_sizes($number_of_bubbles,$bubble_display);
484: my $j=0;
485: my $cou=0;
486: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
487: for (my $i=0;$i<$number_of_tables;$i++) {
488: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
489: for (my $ind=0;$ind<$table_range[$j];$ind++) {
490: $result.='p{3 mm}p{'.$celllength.' mm}';
491: }
492: $result.='}';
493: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
494: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
495: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
496: }
497: $cou += $table_range[$j];
498: $j++;
499: $result.='\\\\\end{tabular}\vskip 0 mm ';
500: }
501: $result.='\end{enumerate}';
502: } else {
503: $increment = &Apache::response::repetition();
504: }
505: }
506: }
507: } elsif ($target eq 'edit') {
508: $result.='</td></tr>'.&Apache::edit::end_table;
509: } elsif ($target eq 'answer' || $target eq 'analyze') {
510: my $part_id="$partid.$id";
511: if ($target eq 'analyze') {
512: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
513: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
514: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
515: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
516: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
517: &Apache::response::check_if_computed($token,$parstack,
518: $safeeval,'answer');
519: }
520: if (scalar(@$tagstack)) {
521: &Apache::response::setup_params($tag,$safeeval);
522: }
523: &add_in_tag_answer($parstack,$safeeval);
524: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
525:
526: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
527:
528: if ($target eq 'answer') {
529: $result.=&Apache::response::answer_header($tag,undef,
530: scalar(keys(%answer)));
531: if ($tag eq 'numericalresponse'
532: && $Apache::lonhomework::type eq 'exam') {
533: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
534: $id,$target,$parstack,$safeeval);
535: $result.=&Apache::response::answer_part($tag,$correct);
536: }
537: }
538: foreach my $name (sort(keys(%answer))) {
539: my @answers = @{ $answer{$name}{'answers'} };
540: if ($target eq 'analyze') {
541: foreach my $info ('answer','ans_high','ans_low','format') {
542: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
543: }
544: }
545: my ($sigline,$tolline);
546: if ($name ne $tag_internal_answer_name
547: || scalar(keys(%answer)) > 1) {
548: $result.=&Apache::response::answer_part($tag,$name);
549: }
550: for(my $i=0;$i<=$#answers;$i++) {
551: my $ans=$answers[$i];
552: my $fmt=$formats[0];
553: if (@formats && $#formats) {$fmt=$formats[$i];}
554: my ($sighigh,$siglow);
555: if ($Apache::inputtags::params{'sig'}) {
556: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
557: }
558: my @vector;
559: if (ref($ans)) {
560: @vector = @{ $ans };
561: } else {
562: @vector = ($ans);
563: }
564: my @all_answer_info;
565: foreach my $element (@vector) {
566: my ($high,$low);
567: if ($Apache::inputtags::params{'tol'}) {
568: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
569: }
570: if ($target eq 'answer') {
571: if ($fmt && $tag eq 'numericalresponse') {
572: $fmt=~s/e/E/g;
573: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
574: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
575: $element = &format_number($element,$fmt,$target,$safeeval);
576: #if ($high) {
577: # $high=&format_number($high,$fmt,$target,$safeeval);
578: # $low =&format_number($low,$fmt,$target,$safeeval);
579: #}
580: }
581: if ($high && $tag eq 'numericalresponse') {
582: $element.=' ['.$low.','.$high.']';
583: $tolline .= "[$low, $high]";
584: }
585: if (defined($sighigh) && $tag eq 'numericalresponse') {
586: if ($env{'form.answer_output_mode'} eq 'tex') {
587: $element.= " Sig $siglow - $sighigh";
588: } else {
589: $element.= " Sig <i>$siglow - $sighigh</i>";
590: $sigline .= "[$siglow, $sighigh]";
591: }
592: }
593: push(@all_answer_info,$element);
594:
595: } elsif ($target eq 'analyze') {
596: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
597: if ($high) {
598: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
599: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
600: }
601: if ($fmt) {
602: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
603: }
604: }
605: }
606: if ($target eq 'answer') {
607: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
608: }
609: }
610:
611: my @fmt_ans;
612: for(my $i=0;$i<=$#answers;$i++) {
613: my $ans=$answers[$i];
614: my $fmt=$formats[0];
615: if (@formats && $#formats) {$fmt=$formats[$i];}
616: foreach my $element (@$ans) {
617: if ($fmt && $tag eq 'numericalresponse') {
618: $fmt=~s/e/E/g;
619: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
620: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
621: $element = &format_number($element,$fmt,$target,
622: $safeeval);
623: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
624: }
625: }
626: push(@fmt_ans,join(',',@$ans));
627: }
628: my $response=\@fmt_ans;
629:
630: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
631: $id.'.turnoffunit');
632: if ($unit ne '' &&
633: ! ($Apache::lonhomework::type eq 'exam' ||
634: lc($hideunit) eq "yes") ) {
635: my $cleanunit=$unit;
636: $cleanunit=~s/\$\,//g;
637: foreach my $ans (@fmt_ans) {
638: $ans.=" $cleanunit";
639: }
640: }
641: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
642: $parstack,$safeeval);
643: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
644: my $error;
645: if ($tag eq 'formularesponse') {
646: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
647: } else {
648: # answer failed check if it is sig figs that is failing
649: my ($ad,$msg)=&check_submission($response,$partid,$id,
650: $tag,$parstack,
651: $safeeval,1);
652: if ($sigline ne '') {
653: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',join(', ',@$response),$tolline,$sigline);
654: } else {
655: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
656: }
657: }
658: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
659: &Apache::lonxml::error($error);
660: } else {
661: &Apache::lonxml::warning($error);
662: }
663: }
664:
665: if (defined($unit) and ($unit ne '') and
666: $tag eq 'numericalresponse') {
667: if ($target eq 'answer') {
668: if ($env{'form.answer_output_mode'} eq 'tex') {
669: $result.=&Apache::response::answer_part($tag,
670: " Unit: $unit ");
671: } else {
672: $result.=&Apache::response::answer_part($tag,
673: "Unit: <b>$unit</b>");
674: }
675: } elsif ($target eq 'analyze') {
676: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
677: }
678: }
679: if ($tag eq 'formularesponse' && $target eq 'answer') {
680: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
681: $result.=&Apache::response::answer_part($tag,$samples);
682: }
683: $result.=&Apache::response::next_answer($tag,$name);
684: }
685: if ($target eq 'answer') {
686: $result.=&Apache::response::answer_footer($tag);
687: }
688: }
689: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
690: $target eq 'tex' || $target eq 'analyze') {
691: &Apache::lonxml::increment_counter($increment);
692: }
693: &Apache::response::end_response();
694: return $result;
695: }
696:
697: sub check_for_answer_errors {
698: my ($parstack,$safeeval) = @_;
699: &add_in_tag_answer($parstack,$safeeval);
700: my %counts;
701: foreach my $name (keys(%answer)) {
702: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
703: }
704: if (scalar(keys(%counts)) > 1) {
705: my $counts = join(' ',map {
706: my $count = $_;
707: &mt("Answers [_1] had [_2] components.",
708: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
709: $count);
710: } (sort(keys(%counts))));
711: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
712: }
713: use Data::Dumper;
714: &Apache::lonxml::debug("count dump is ".&Dumper(\%counts));
715: my $expected_number_of_inputs = (keys(%counts))[0];
716: if ( $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
717: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
718: $expected_number_of_inputs,
719: scalar(@Apache::inputtags::inputlist)));
720: }
721: }
722:
723: sub get_table_sizes {
724: my ($number_of_bubbles,$rbubble_values)=@_;
725: my $scale=2; #mm for one digit
726: my $cell_width=0;
727: foreach my $member (@$rbubble_values) {
728: my $cell_width_real=0;
729: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
730: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
731: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
732: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
733: } elsif ($member=~/(\d*)\.(\d*)/) {
734: $cell_width_real=(length($1)+length($2)+3)*$scale;
735: } else {
736: $cell_width_real=(length($member)+1)*$scale*0.9;
737: }
738: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
739: }
740: $cell_width+=8;
741: my $textwidth;
742: if ($env{'form.textwidth'} ne '') {
743: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
744: $textwidth=$1.'.'.$2;
745: } else {
746: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
747: $textwidth=$1.'.'.$2;
748: }
749: my $bubbles_per_line=int($textwidth/$cell_width);
750: if ($bubbles_per_line > $number_of_bubbles) {
751: $bubbles_per_line=$number_of_bubbles;
752: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
753: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
754: my @table_range = ();
755: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
756: if ($number_of_bubbles % $bubbles_per_line) {
757: $number_of_tables++;
758: push @table_range,($number_of_bubbles % $bubbles_per_line);
759: }
760: $cell_width-=8;
761: $cell_width=$cell_width*3/4;
762: return ($cell_width,$number_of_tables,@table_range);
763: }
764:
765: sub format_number {
766: my ($number,$format,$target,$safeeval)=@_;
767: my $ans;
768: if ($format eq '') {
769: #What is the number? (integer,decimal,floating point)
770: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
771: $format = '3e';
772: } elsif ($number=~/^(\d*)\.(\d*)$/) {
773: $format = '4f';
774: } elsif ($number=~/^(\d*)$/) {
775: $format = 'd';
776: }
777: }
778: if (!$Apache::lonxml::default_homework_loaded) {
779: &Apache::lonxml::default_homework_load($safeeval);
780: }
781: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
782: return $ans;
783: }
784:
785: sub make_numerical_bubbles {
786: my ($part,$id,$target,$parstack,$safeeval) =@_;
787:
788: my $number_of_bubbles =
789: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
790:
791: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
792: my $name = (exists($answer{$tag_internal_answer_name})
793: ? $tag_internal_answer_name
794: : (sort(keys(%answer)))[0]);
795:
796: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
797: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
798: }
799: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
800: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
801: }
802:
803: my $answer = $answer{$name}{'answers'}[0][0];
804: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
805: $safeeval);
806: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
807:
808: my @bubble_values=();
809: my @alphabet=('A'..'Z');
810:
811: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
812: my @oldseed=&Math::Random::random_get_seed();
813: if (@incorrect) {
814: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
815: if (defined($incorrect[0]) &&
816: scalar(@incorrect)+1 >= $number_of_bubbles) {
817: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
818: &Apache::response::setrandomnumber();
819: my @rand_inc=&Math::Random::random_permutation(@incorrect);
820: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
821: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
822: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
823: &Math::Random::random_set_seed(@oldseed);
824:
825: my $correct;
826: for(my $i=0; $i<=$#bubble_values;$i++) {
827: if ($bubble_values[$i] eq $answer) {
828: $correct = $alphabet[$i];
829: last;
830: }
831: }
832:
833: if (defined($format) && $format ne '') {
834: my @bubble_display;
835: foreach my $value (@bubble_values) {
836: push(@bubble_display,
837: &format_number($value,$format,$target,$safeeval));
838: }
839: return (\@bubble_values,\@bubble_display,$correct);
840: } else {
841: return (\@bubble_values,\@bubble_values,$correct);
842: }
843: }
844: if (defined($incorrect[0]) &&
845: scalar(@incorrect)+1 < $number_of_bubbles) {
846: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
847: }
848: }
849: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
850: my @powers = (1..$number_of_bubbles);
851: &Apache::response::setrandomnumber();
852: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
853: my $power = $powers[$ind];
854: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
855: my $factor = $factors[$ind];
856: my @bubble_display;
857: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
858: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
859: $bubble_display[$ind] = &format_number($bubble_values[$ind],
860: $format,$target,$safeeval);
861:
862: }
863: my $correct = $alphabet[$number_of_bubbles-$power];
864: &Math::Random::random_set_seed(@oldseed);
865: return (\@bubble_values,\@bubble_display,$correct);
866: }
867:
868: sub get_tolrange {
869: my ($ans,$tol)=@_;
870: my ($high,$low);
871: if ($tol =~ /%$/) {
872: chop($tol);
873: my $change=$ans*($tol/100.0);
874: $high=$ans+$change;
875: $low=$ans-$change;
876: } else {
877: $high=$ans+$tol;
878: $low=$ans-$tol;
879: }
880: return ($high,$low);
881: }
882:
883: sub get_sigrange {
884: my ($sig)=@_;
885: #&Apache::lonxml::debug("Got a sig of :$sig:");
886: my $courseid=$env{'request.course.id'};
887: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
888: return (15,0);
889: }
890: my $sig_lbound;
891: my $sig_ubound;
892: if ($sig eq '') {
893: $sig_lbound = 0; #SIG_LB_DEFAULT
894: $sig_ubound =15; #SIG_UB_DEFAULT
895: } else {
896: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
897: if (!defined($sig_lbound)) {
898: $sig_lbound = 0; #SIG_LB_DEFAULT
899: $sig_ubound =15; #SIG_UB_DEFAULT
900: }
901: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
902: }
903: if (($sig_ubound<$sig_lbound) ||
904: ($sig_lbound > 15) ||
905: ($sig =~/(\+|-)/ ) ) {
906: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
907: if ($env{'request.state'} eq 'construct') {
908: $errormsg.=
909: &Apache::loncommon::help_open_topic('Significant_Figures');
910: }
911: &Apache::lonxml::error($errormsg);
912: }
913: return ($sig_ubound,$sig_lbound);
914: }
915:
916: sub start_stringresponse {
917: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
918: my $result;
919: my $id = &Apache::response::start_response($parstack,$safeeval);
920: if ($target eq 'meta') {
921: $result=&Apache::response::meta_package_write('stringresponse');
922: } elsif ($target eq 'edit') {
923: $result.=&Apache::edit::tag_start($target,$token);
924: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
925: $result.=&Apache::edit::select_arg('Type:','type',
926: [['cs','Case Sensitive'],['ci','Case Insensitive'],
927: ['mc','Case Insensitive, Any Order'],
928: ['re','Regular Expression']],$token);
929: $result.=&Apache::edit::text_arg('String to display for answer:',
930: 'answerdisplay',$token);
931: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
932: } elsif ($target eq 'modified') {
933: my $constructtag;
934: $constructtag=&Apache::edit::get_new_args($token,$parstack,
935: $safeeval,'answer',
936: 'type','answerdisplay');
937: if ($constructtag) {
938: $result = &Apache::edit::rebuild_tag($token);
939: $result.=&Apache::edit::handle_insert();
940: }
941: } elsif ($target eq 'web') {
942: if ( &Apache::response::show_answer() ) {
943: my $answer=
944: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
945: if (!defined $answer || $answer eq '') {
946: $answer=
947: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
948: }
949: $Apache::inputtags::answertxt{$id}=[$answer];
950: }
951: } elsif ($target eq 'answer' || $target eq 'grade') {
952: &Apache::response::reset_params();
953: }
954: return $result;
955: }
956:
957: sub end_stringresponse {
958: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
959:
960: my $result = '';
961: my $part=$Apache::inputtags::part;
962: my $id=$Apache::inputtags::response[-1];
963: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
964: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
965: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
966: &Apache::lonxml::debug("current $answer ".$token->[2]);
967: if (!$Apache::lonxml::default_homework_loaded) {
968: &Apache::lonxml::default_homework_load($safeeval);
969: }
970: if ( $target eq 'grade' && &Apache::response::submitted() ) {
971: &Apache::response::setup_params('stringresponse',$safeeval);
972: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
973: if ($Apache::lonhomework::type eq 'exam' ||
974: &Apache::response::submitted('scantron')) {
975: &Apache::response::scored_response($part,$id);
976:
977: } else {
978: my $response = &Apache::response::getresponse();
979: if ( $response =~ /[^\s]/) {
980: my %previous = &Apache::response::check_for_previous($response,
981: $part,$id);
982: &Apache::lonxml::debug("submitted a $response<br>\n");
983: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
984: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
985: $response;
986: my ($ad,$msg);
987: if ($type eq 're' ) {
988: # if the RE wasn't in a var it likely got munged,
989: # thus grab it from the var directly
990: # my $testans=$token->[2]->{'answer'};
991: # if ($testans !~ m/^\s*\$/) {
992: # $answer=$token->[2]->{'answer'};
993: # }
994: ${$safeeval->varglob('LONCAPA::response')}=$response;
995: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
996: &Apache::lonxml::debug("current $response");
997: &Apache::lonxml::debug("current $answer");
998: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
999: } else {
1000: my @args = ('type');
1001: my $args_ref = &setup_capa_args($safeeval,$parstack,
1002: \@args,$response);
1003:
1004: &add_in_tag_answer($parstack,$safeeval);
1005: my (@final_awards,@final_msgs,@names);
1006: foreach my $name (keys(%answer)) {
1007: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1008: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1009: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1010: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1011: my ($awards)=split(/:/,$result);
1012: my (@awards) = split(/,/,$awards);
1013: ($ad,$msg) =
1014: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1015: push(@final_awards,$ad);
1016: push(@final_msgs,$msg);
1017: push(@names,$name);
1018: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1019: }
1020: my ($ad, $msg, $name) =
1021: &Apache::inputtags::finalizeawards(\@final_awards,
1022: \@final_msgs,
1023: \@names,1);
1024: }
1025: if ($Apache::lonhomework::type eq 'survey' &&
1026: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1027: $ad eq 'EXACT_ANS')) {
1028: $ad='SUBMITTED';
1029: }
1030: &Apache::response::handle_previous(\%previous,$ad);
1031: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1032: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1033: }
1034: }
1035: } elsif ($target eq 'answer' || $target eq 'analyze') {
1036: &add_in_tag_answer($parstack,$safeeval);
1037: if ($target eq 'analyze') {
1038: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1039: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1040: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1041: 'answer');
1042: }
1043: &Apache::response::setup_params('stringresponse',$safeeval);
1044: if ($target eq 'answer') {
1045: $result.=&Apache::response::answer_header('stringresponse');
1046: }
1047: foreach my $name (keys(%answer)) {
1048: my @answers = @{ $answer{$name}{'answers'} };
1049: for (my $i=0;$i<=$#answers;$i++) {
1050: my $answer_part = $answers[$i];
1051: foreach my $element (@{$answer_part}) {
1052: if ($target eq 'answer') {
1053: $result.=&Apache::response::answer_part('stringresponse',
1054: $element);
1055: } elsif ($target eq 'analyze') {
1056: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1057: $element);
1058: }
1059: }
1060: if ($target eq 'answer' && $type eq 're') {
1061: $result.=&Apache::response::answer_part('stringresponse',
1062: $answerdisplay);
1063: }
1064: }
1065: }
1066: my $string='Case Insensitive';
1067: if ($type eq 'mc') {
1068: $string='Multiple Choice';
1069: } elsif ($type eq 'cs') {
1070: $string='Case Sensitive';
1071: } elsif ($type eq 'ci') {
1072: $string='Case Insensitive';
1073: } elsif ($type eq 're') {
1074: $string='Regular Expression';
1075: }
1076: if ($target eq 'answer') {
1077: if ($env{'form.answer_output_mode'} eq 'tex') {
1078: $result.=&Apache::response::answer_part('stringresponse',
1079: "$string");
1080: } else {
1081: $result.=&Apache::response::answer_part('stringresponse',
1082: "<b>$string</b>");
1083: }
1084: } elsif ($target eq 'analyze') {
1085: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1086: $type);
1087: }
1088: if ($target eq 'answer') {
1089: $result.=&Apache::response::answer_footer('stringresponse');
1090: }
1091: } elsif ($target eq 'edit') {
1092: $result.='</td></tr>'.&Apache::edit::end_table;
1093: }
1094: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1095: $target eq 'tex' || $target eq 'analyze') {
1096: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1097: }
1098: &Apache::response::end_response;
1099: return $result;
1100: }
1101:
1102: sub start_formularesponse {
1103: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1104: my $result;
1105: if ($target eq 'meta') {
1106: &Apache::response::start_response($parstack,$safeeval);
1107: $result=&Apache::response::meta_package_write('formularesponse');
1108: &Apache::response::end_response();
1109: } else {
1110: $result.=&start_numericalresponse(@_);
1111: }
1112: return $result;
1113: }
1114:
1115: sub end_formularesponse {
1116: return end_numericalresponse(@_);
1117: }
1118:
1119: 1;
1120: __END__
1121:
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