Annotation of loncom/xml/lonxml.pm, revision 1.576
1.2 sakharuk 1: # The LearningOnline Network with CAPA
1.572 raeburn 2: # XML Parser Module
1.2 sakharuk 3: #
1.576 ! raeburn 4: # $Id: lonxml.pm,v 1.575 2024/10/13 22:14:58 raeburn Exp $
1.139 www 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: #
1.572 raeburn 28: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
29: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
30: # binary executable programs or libraries distributed by the
31: # Michigan State University (the "Licensee"), but any binaries so
1.139 www 32: # distributed are hereby licensed only for use in the context
1.572 raeburn 33: # of a program or computational system for which the Licensee is the
34: # primary author or distributor, and which performs substantial
1.139 www 35: # additional tasks beyond the translation of (La)TeX into HTML.
36: # The C source of the Code may not be distributed by the Licensee
37: # to any other parties under any circumstances.
38: #
1.316 albertel 39:
1.489 jms 40: =pod
41:
42: =head1 NAME
43:
44: Apache::lonxml
45:
46: =head1 SYNOPSIS
47:
48: XML Parsing Module
49:
50: This is part of the LearningOnline Network with CAPA project
51: described at http://www.lon-capa.org.
52:
53:
54: =head1 SUBROUTINES
55:
56: =cut
57:
58:
1.2 sakharuk 59:
1.572 raeburn 60: package Apache::lonxml;
1.33 www 61: use vars
1.410 albertel 62: qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount);
1.1 sakharuk 63: use strict;
1.444 albertel 64: use LONCAPA;
1.167 albertel 65: use HTML::LCParser();
1.161 albertel 66: use HTML::TreeBuilder();
67: use HTML::Entities();
68: use Safe();
69: use Safe::Hole();
70: use Math::Cephes();
71: use Math::Random();
1.558 raeburn 72: use Math::Calculus::Expression();
1.560 raeburn 73: use Number::FormatEng();
1.161 albertel 74: use Opcode();
1.271 www 75: use POSIX qw(strftime);
1.339 albertel 76: use Time::HiRes qw( gettimeofday tv_interval );
1.393 albertel 77: use Symbol();
1.266 bowersj2 78:
1.72 albertel 79: sub register {
1.141 albertel 80: my ($space,@taglist) = @_;
81: foreach my $temptag (@taglist) {
82: push(@{ $Apache::lonxml::alltags{$temptag} },$space);
1.72 albertel 83: }
84: }
85:
1.141 albertel 86: sub deregister {
87: my ($space,@taglist) = @_;
88: foreach my $temptag (@taglist) {
89: my $tempspace = $Apache::lonxml::alltags{$temptag}[-1];
90: if ($tempspace eq $space) {
91: pop(@{ $Apache::lonxml::alltags{$temptag} });
92: }
93: }
1.142 albertel 94: #&printalltags();
1.141 albertel 95: }
96:
1.46 www 97: use Apache::Constants qw(:common);
1.161 albertel 98: use Apache::lontexconvert();
99: use Apache::style();
100: use Apache::run();
101: use Apache::londefdef();
102: use Apache::scripttag();
1.285 www 103: use Apache::languagetags();
1.161 albertel 104: use Apache::edit();
1.266 bowersj2 105: use Apache::inputtags();
106: use Apache::outputtags();
1.372 albertel 107: use Apache::lonnet;
1.161 albertel 108: use Apache::File();
109: use Apache::loncommon();
1.198 www 110: use Apache::lonfeedback();
1.200 www 111: use Apache::lonmsg();
1.217 matthew 112: use Apache::loncacc();
1.431 www 113: use Apache::lonmaxima();
1.494 www 114: use Apache::lonr();
1.280 www 115: use Apache::lonlocal;
1.501 raeburn 116: use Apache::lonhtmlcommon();
1.520 www 117: use Apache::functionplotresponse();
1.529 raeburn 118: use Apache::lonnavmaps();
1.79 www 119:
1.572 raeburn 120: #==================================== Main subroutine: xmlparse
1.462 foxr 121:
1.72 albertel 122: #debugging control, to turn on debugging modify the correct handler
1.462 foxr 123:
1.72 albertel 124: $Apache::lonxml::debug=0;
1.206 albertel 125:
126: # keeps count of the number of warnings and errors generated in a parse
127: $warningcount=0;
128: $errorcount=0;
1.72 albertel 129:
130: #path to the directory containing the file currently being processed
131: @pwd=();
132:
133: #these two are used for capturing a subset of the output for later processing,
134: #don't touch them directly use &startredirection and &endredirection
135: @outputstack = ();
136: $redirection = 0;
137:
138: #controls wheter the <import> tag actually does
139: $import = 1;
140: @extlinks=();
141:
142: # meta mode is a bit weird only some output is to be turned off
143: #<output> tag turns metamode off (defined in londefdef.pm)
144: $metamode = 0;
145:
146: # turns on and of run::evaluate actually derefencing var refs
147: $evaluate = 1;
1.7 albertel 148:
1.545 bisitz 149: # data structure for edit mode, determines what tags can go into what other tags
1.74 albertel 150: %insertlist=();
1.68 www 151:
1.99 albertel 152: # stores the list of active tag namespaces
1.76 albertel 153: @namespace=();
154:
1.448 albertel 155: # stores all Scrit Vars displays for later showing
156: my @script_var_displays=();
157:
1.172 albertel 158: # a pointer the the Apache request object
159: $Apache::lonxml::request='';
160:
1.216 sakharuk 161: # a problem number counter, and check on ether it is used
1.237 sakharuk 162: $Apache::lonxml::counter=1;
1.204 albertel 163: $Apache::lonxml::counter_changed=0;
164:
1.462 foxr 165: # Part counter hash. In analysis mode, the
166: # problems can use this to record which parts increment the counter
167: # by how much. The counter subs will maintain this hash via
168: # their optional part parameters. Note that the assumption is that
169: # analysis is done in one request and therefore it is not necessary to
170: # save this information request-to-request.
171:
172:
173: %Apache::lonxml::counters_per_part = ();
174:
1.212 albertel 175: #internal check on whether to look at style defs
176: $Apache::lonxml::usestyle=1;
1.260 albertel 177:
178: #locations used to store the parameter string for style substitutions
179: $Apache::lonxml::style_values='';
180: $Apache::lonxml::style_end_values='';
1.212 albertel 181:
1.281 albertel 182: #array of ssi calls that need to occur after we are done parsing
183: @Apache::lonxml::ssi_info=();
184:
1.282 albertel 185: #should we do the postag variable interpolation
186: $Apache::lonxml::post_evaluate=1;
187:
1.295 albertel 188: #a header message to emit in the case of any generated warning or errors
189: $Apache::lonxml::warnings_error_header='';
190:
1.396 foxr 191: # Control whether or not LaTeX symbols should be substituted for their
192: # \ style equivalents...this may be turned off e.g. in an verbatim
193: # environment.
194:
195: $Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on.
196:
197: sub enable_LaTeX_substitutions {
198: $Apache::lonxml::substitute_LaTeX_symbols = 1;
199: }
200: sub disable_LaTeX_substitutions {
201: $Apache::lonxml::substitute_LaTeX_symbols = 0;
202: }
203:
1.68 www 204: sub xmlend {
1.335 sakharuk 205: my ($target,$parser)=@_;
1.278 www 206: my $mode='xml';
207: my $status='OPEN';
1.368 albertel 208: if ($Apache::lonhomework::parsing_a_problem ||
209: $Apache::lonhomework::parsing_a_task ) {
1.278 www 210: $mode='problem';
1.572 raeburn 211: $status=$Apache::inputtags::status[-1];
1.278 www 212: }
1.362 matthew 213: my $discussion;
1.379 albertel 214: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
215: ['LONCAPA_INTERNAL_no_discussion']);
1.528 www 216: if (
217: ( (!exists($env{'form.LONCAPA_INTERNAL_no_discussion'}))
218: || ($env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true')
219: )
220: && ($env{'form.inhibitmenu'} ne 'yes')
221: ) {
1.362 matthew 222: $discussion=&Apache::lonfeedback::list_discussion($mode,$status);
223: }
1.334 sakharuk 224: if ($target eq 'tex') {
1.335 sakharuk 225: $discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>';
1.334 sakharuk 226: &Apache::lonxml::newparser($parser,\$discussion,'');
227: return '';
228: }
1.405 albertel 229:
1.407 albertel 230: return $discussion;
1.119 www 231: }
232:
1.48 albertel 233: sub printalltags {
1.551 raeburn 234: foreach my $temp (sort(keys(%Apache::lonxml::alltags))) {
235: &Apache::lonxml::debug("$temp -- ".
236: join(',',@{ $Apache::lonxml::alltags{$temp} }));
237: }
1.48 albertel 238: }
1.31 sakharuk 239:
1.3 sakharuk 240: sub xmlparse {
1.172 albertel 241: my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_;
1.96 albertel 242:
1.172 albertel 243: &setup_globals($request,$target);
1.232 albertel 244: &Apache::inputtags::initialize_inputtags();
1.370 albertel 245: &Apache::bridgetask::initialize_bridgetask();
1.232 albertel 246: &Apache::outputtags::initialize_outputtags();
247: &Apache::edit::initialize_edit();
1.287 albertel 248: &Apache::londefdef::initialize_londefdef();
1.244 albertel 249:
1.178 www 250: #
251: # do we have a course style file?
252: #
253:
1.372 albertel 254: if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') {
1.178 www 255: my $bodytext=
1.372 albertel 256: $env{'course.'.$env{'request.course.id'}.'.default_xml_style'};
1.178 www 257: if ($bodytext) {
1.337 albertel 258: foreach my $file (split(',',$bodytext)) {
259: my $location=&Apache::lonnet::filelocation('',$file);
260: my $styletext=&Apache::lonnet::getfile($location);
261: if ($styletext ne '-1') {
262: %style_for_target = (%style_for_target,
263: &Apache::style::styleparser($target,$styletext));
264: }
265: }
266: }
1.449 albertel 267: } elsif ($env{'construct.style'}
268: && ($env{'request.state'} eq 'construct')) {
1.372 albertel 269: my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
1.291 sakharuk 270: my $styletext=&Apache::lonnet::getfile($location);
1.449 albertel 271: if ($styletext ne '-1') {
272: %style_for_target = (%style_for_target,
273: &Apache::style::styleparser($target,$styletext));
274: }
1.178 www 275: }
1.255 sakharuk 276: #&printalltags();
1.16 albertel 277: my @pars = ();
1.372 albertel 278: my $pwd=$env{'request.filename'};
1.23 albertel 279: $pwd =~ s:/[^/]*$::;
280: &newparser(\@pars,\$content_file_string,$pwd);
1.24 sakharuk 281:
1.3 sakharuk 282: my $safeeval = new Safe;
1.40 albertel 283: my $safehole = new Safe::Hole;
1.82 ng 284: &init_safespace($target,$safeeval,$safehole,$safeinit);
1.3 sakharuk 285: #-------------------- Redefinition of the target in the case of compound target
286:
287: ($target, my @tenta) = split('&&',$target);
288:
1.150 albertel 289: my @stack = ();
1.3 sakharuk 290: my @parstack = ();
1.358 albertel 291: &initdepth();
292: &init_alarm();
1.101 albertel 293: my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
1.394 albertel 294: $safeeval,\%style_for_target,1);
1.255 sakharuk 295:
1.425 albertel 296: if (@stack) {
1.482 bisitz 297: &warning(&mt('At end of file some tags were still left unclosed:').
298: ' <tt><'.join('></tt>, <tt><',reverse(@stack)).
1.425 albertel 299: '></tt>');
300: }
1.372 albertel 301: if ($env{'request.uri'}) {
302: &writeallows($env{'request.uri'});
1.125 www 303: }
1.281 albertel 304: &do_registered_ssi();
1.204 albertel 305: if ($Apache::lonxml::counter_changed) { &store_counter() }
1.393 albertel 306:
307: &clean_safespace($safeeval);
308:
1.448 albertel 309: if (@script_var_displays) {
1.546 raeburn 310: if ($finaloutput =~ m{</body>\s*</html>\s*$}s) {
311: my $scriptoutput = join('',@script_var_displays);
312: $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
313: } else {
314: $finaloutput .= join('',@script_var_displays);
315: }
1.448 albertel 316: undef(@script_var_displays);
317: }
1.469 albertel 318: &init_state();
1.372 albertel 319: if ($env{'form.return_only_error_and_warning_counts'}) {
1.572 raeburn 320: if ($env{'request.filename'}=~/\.(html|htm|xml)$/i) {
1.473 www 321: my $error=&verify_html($content_file_string);
322: if ($error) { $errorcount++; }
323: }
1.361 www 324: return "$errorcount:$warningcount";
325: }
1.3 sakharuk 326: return $finaloutput;
1.106 www 327: }
328:
1.191 albertel 329: sub latex_special_symbols {
1.272 albertel 330: my ($string,$where)=@_;
1.396 foxr 331: #
332: # If e.g. in verbatim mode, then don't substitute.
333: # but return original string.
334: #
335: if (!($Apache::lonxml::substitute_LaTeX_symbols)) {
336: return $string;
337: }
1.235 sakharuk 338: if ($where eq 'header') {
1.414 foxr 339: $string =~ s/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10.
1.311 albertel 340: $string =~ s/(\$|%|\{|\})/\\$1/g;
341: $string=&Apache::lonprintout::character_chart($string);
342: # any & or # leftover should be safe to just escape
343: $string=~s/([^\\])\&/$1\\\&/g;
344: $string=~s/([^\\])\#/$1\\\#/g;
1.415 foxr 345: $string =~ s/_/\\_/g; # _ -> \_
1.572 raeburn 346: $string =~ s/\^/\\\^{}/g; # ^ -> \^{}
1.229 sakharuk 347: } else {
1.312 albertel 348: $string=~s/\\/\\ensuremath{\\backslash}/g;
1.367 albertel 349: $string=~s/\\\%|\%/\\\%/g;
1.556 raeburn 350: $string=~s/\\\{|\{/\\{/g;
1.367 albertel 351: $string=~s/\\}|}/\\}/g;
1.556 raeburn 352: $string=~s/\\ensuremath\\\{\\backslash\\}/\\ensuremath{\\backslash}/g;
1.367 albertel 353: $string=~s/\\\$|\$/\\\$/g;
354: $string=~s/\\\_|\_/\\\_/g;
1.313 albertel 355: $string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
1.310 sakharuk 356: $string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
1.311 albertel 357: $string=&Apache::lonprintout::character_chart($string);
358: # any & or # leftover should be safe to just escape
1.367 albertel 359: $string=~s/\\\&|\&/\\\&/g;
360: $string=~s/\\\#|\#/\\\#/g;
1.332 sakharuk 361: $string=~s/\|/\$\\mid\$/g;
1.310 sakharuk 362: #single { or } How to escape?
1.229 sakharuk 363: }
1.272 albertel 364: return $string;
1.188 sakharuk 365: }
366:
1.101 albertel 367: sub inner_xmlparse {
1.394 albertel 368: my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_;
1.101 albertel 369: my $finaloutput = '';
370: my $result;
371: my $token;
1.258 albertel 372: my $dontpop=0;
1.553 raeburn 373: my $lastdontpop;
374: my $lastendtag;
1.389 albertel 375: my $startredirection = $Apache::lonxml::redirection;
1.101 albertel 376: while ( $#$pars > -1 ) {
377: while ($token = $$pars['-1']->get_token) {
1.261 albertel 378: if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) {
1.101 albertel 379: if ($metamode<1) {
1.190 albertel 380: my $text=$token->[1];
1.193 albertel 381: if ($token->[0] eq 'C' && $target eq 'tex') {
1.239 sakharuk 382: $text = '';
383: # $text = '%'.$text."\n";
1.182 sakharuk 384: }
1.190 albertel 385: $result.=$text;
1.101 albertel 386: }
1.261 albertel 387: } elsif (($token->[0] eq 'D')) {
388: if ($metamode<1 && $target eq 'web') {
389: my $text=$token->[1];
390: $result.=$text;
391: }
1.101 albertel 392: } elsif ($token->[0] eq 'PI') {
1.261 albertel 393: if ($metamode<1 && $target eq 'web') {
1.101 albertel 394: $result=$token->[2];
395: }
396: } elsif ($token->[0] eq 'S') {
1.140 albertel 397: # add tag to stack
1.101 albertel 398: push (@$stack,$token->[1]);
399: # add parameters list to another stack
400: push (@$parstack,&parstring($token));
1.140 albertel 401: &increasedepth($token);
1.212 albertel 402: if ($Apache::lonxml::usestyle &&
403: exists($$style_for_target{$token->[1]})) {
404: $Apache::lonxml::usestyle=0;
405: my $string=$$style_for_target{$token->[1]}.
406: '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
407: &Apache::lonxml::newparser($pars,\$string);
1.257 albertel 408: $Apache::lonxml::style_values=$$parstack[-1];
1.259 albertel 409: $Apache::lonxml::style_end_values=$$parstack[-1];
1.101 albertel 410: } else {
411: $result = &callsub("start_$token->[1]", $target, $token, $stack,
412: $parstack, $pars, $safeeval, $style_for_target);
1.140 albertel 413: }
1.101 albertel 414: } elsif ($token->[0] eq 'E') {
1.212 albertel 415: if ($Apache::lonxml::usestyle &&
416: exists($$style_for_target{'/'."$token->[1]"})) {
417: $Apache::lonxml::usestyle=0;
418: my $string=$$style_for_target{'/'.$token->[1]}.
1.258 albertel 419: '<LONCAPA_INTERNAL_TURN_STYLE_ON end="'.$token->[1].'" />';
1.212 albertel 420: &Apache::lonxml::newparser($pars,\$string);
1.259 albertel 421: $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
422: $Apache::lonxml::style_end_values='';
1.258 albertel 423: $dontpop=1;
1.101 albertel 424: } else {
1.258 albertel 425: #clear out any tags that didn't end
426: while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
427: my $lasttag=$$stack[-1];
1.317 albertel 428: if ($token->[1] =~ /^\Q$lasttag\E$/i) {
1.483 bisitz 429: &Apache::lonxml::warning(&mt('Using tag [_1] on line [_2] as end tag to [_3]','</'.$token->[1].'>','.$token->[3].','<'.$$stack[-1].'>'));
1.258 albertel 430: last;
431: } else {
1.483 bisitz 432: &Apache::lonxml::warning(&mt('Found tag [_1] on line [_2] when looking for [_3] in file.','</'.$token->[1].'>',$token->[3],'</'.$$stack[-1].'>'));
1.258 albertel 433: &end_tag($stack,$parstack,$token);
434: }
435: }
436: $result = &callsub("end_$token->[1]", $target, $token, $stack,
437: $parstack, $pars,$safeeval, $style_for_target);
1.101 albertel 438: }
439: } else {
440: &Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
441: }
442: #evaluate variable refs in result
1.282 albertel 443: if ($Apache::lonxml::post_evaluate &&$result ne "") {
1.257 albertel 444: my $extras;
445: if (!$Apache::lonxml::usestyle) {
446: $extras=$Apache::lonxml::style_values;
447: }
1.488 raeburn 448: if ( $#$parstack > -1 ) {
449: $result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]);
450: } else {
451: $result= &Apache::run::evaluate($result,$safeeval,$extras);
1.487 raeburn 452: }
1.163 albertel 453: }
1.282 albertel 454: $Apache::lonxml::post_evaluate=1;
455:
1.190 albertel 456: if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
1.249 albertel 457: #Style file definitions should be correct
1.250 albertel 458: if ($target eq 'tex' && ($Apache::lonxml::usestyle)) {
1.311 albertel 459: $result=&latex_special_symbols($result);
1.249 albertel 460: }
1.190 albertel 461: }
462:
1.169 albertel 463: if ($Apache::lonxml::redirection) {
464: $Apache::lonxml::outputstack['-1'] .= $result;
465: } else {
466: $finaloutput.=$result;
467: }
468: $result = '';
469:
1.553 raeburn 470: if ($token->[0] eq 'E') {
471: if ($dontpop) {
1.572 raeburn 472: $lastdontpop = $token;
1.553 raeburn 473: } else {
474: $lastendtag = $token->[1];
475: &end_tag($stack,$parstack,$token);
476: }
1.101 albertel 477: }
1.258 albertel 478: $dontpop=0;
1.553 raeburn 479: }
1.212 albertel 480: if ($#$pars > -1) {
481: pop @$pars;
482: pop @Apache::lonxml::pwd;
483: }
1.101 albertel 484: }
485:
1.572 raeburn 486: if (($#$stack == 0) && ($stack->[0] eq 'physnet') && ($target eq 'web') &&
1.553 raeburn 487: ($lastendtag eq 'LONCAPA_INTERNAL_TURN_STYLE_ON')) {
488: if ((ref($lastdontpop) eq 'ARRAY') && ($lastdontpop->[1] eq 'physnet')) {
489: &end_tag($stack,$parstack,$lastdontpop);
490: }
491: }
492:
1.101 albertel 493: # if ($target eq 'meta') {
494: # $finaloutput.=&endredirection;
495: # }
496:
1.394 albertel 497: if ( $start && $target eq 'grade') { &endredirection(); }
1.389 albertel 498: if ( $Apache::lonxml::redirection > $startredirection) {
499: while ($Apache::lonxml::redirection > $startredirection) {
500: $finaloutput .= &endredirection();
1.387 albertel 501: }
502: }
1.101 albertel 503: if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
504: $finaloutput=&afterburn($finaloutput);
1.509 www 505: }
506: if ($target eq 'modified') {
507: # if modfied, handle startpart and endpart
508: $finaloutput=~s/\<startpartmarker[^\>]*\>(.*)\<endpartmarker[^\>]*\>/<part>$1<\/part>/gs;
1.572 raeburn 509: }
1.101 albertel 510: return $finaloutput;
511: }
1.67 www 512:
1.572 raeburn 513: ##
1.318 matthew 514: ## Looks to see if there is a subroutine defined for this tag. If so, call it,
515: ## otherwise do not call it as we do not know what it is.
516: ##
1.7 albertel 517: sub callsub {
1.84 albertel 518: my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.7 albertel 519: my $currentstring='';
1.72 albertel 520: my $nodefault;
1.7 albertel 521: {
1.59 albertel 522: my $sub1;
1.7 albertel 523: no strict 'refs';
1.68 www 524: my $tag=$token->[1];
1.236 www 525: # get utterly rid of extended html tags
526: if ($tag=~/^x\-/i) { return ''; }
1.141 albertel 527: my $space=$Apache::lonxml::alltags{$tag}[-1];
1.68 www 528: if (!$space) {
1.141 albertel 529: $tag=~tr/A-Z/a-z/;
1.68 www 530: $sub=~tr/A-Z/a-z/;
1.141 albertel 531: $space=$Apache::lonxml::alltags{$tag}[-1]
1.68 www 532: }
1.97 albertel 533:
534: my $deleted=0;
535: if (($token->[0] eq 'S') && ($target eq 'modified')) {
536: $deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack,
537: $parstack,$parser,$safeeval,
538: $style);
539: }
540: if (!$deleted) {
541: if ($space) {
1.220 albertel 542: #&Apache::lonxml::debug("Calling sub $sub in $space $metamode");
1.97 albertel 543: $sub1="$space\:\:$sub";
544: ($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
545: $parstack,$parser,$safeeval,
546: $style);
547: } else {
1.318 matthew 548: if ($target eq 'tex') {
549: # throw away tag name
550: return '';
551: }
1.220 albertel 552: #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
1.97 albertel 553: if ($metamode <1) {
554: if (defined($token->[4]) && ($metamode < 1)) {
555: $currentstring = $token->[4];
556: } else {
557: $currentstring = $token->[2];
558: }
1.62 sakharuk 559: }
1.7 albertel 560: }
1.97 albertel 561: # &Apache::lonxml::debug("nodefalt:$nodefault:");
562: if ($currentstring eq '' && $nodefault eq '') {
563: if ($target eq 'edit') {
1.220 albertel 564: #&Apache::lonxml::debug("doing default edit for $token->[1]");
1.97 albertel 565: if ($token->[0] eq 'S') {
566: $currentstring = &Apache::edit::tag_start($target,$token);
567: } elsif ($token->[0] eq 'E') {
568: $currentstring = &Apache::edit::tag_end($target,$token);
569: }
1.441 albertel 570: }
571: }
572: if ($target eq 'modified' && $nodefault eq '') {
573: if ($currentstring eq '') {
574: if ($token->[0] eq 'S') {
575: $currentstring = $token->[4];
576: } elsif ($token->[0] eq 'E') {
577: $currentstring = $token->[2];
578: } else {
579: $currentstring = $token->[2];
580: }
581: }
1.97 albertel 582: if ($token->[0] eq 'S') {
1.447 albertel 583: $currentstring.=&Apache::edit::handle_insert();
1.210 www 584: } elsif ($token->[0] eq 'E') {
1.447 albertel 585: $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
1.97 albertel 586: }
1.72 albertel 587: }
1.7 albertel 588: }
589: use strict 'refs';
590: }
591: return $currentstring;
1.82 ng 592: }
593:
1.465 albertel 594: {
595: my %state;
596:
597: sub init_state {
598: undef(%state);
599: }
1.572 raeburn 600:
1.465 albertel 601: sub set_state {
602: my ($key,$value) = @_;
603: $state{$key} = $value;
604: return $value;
605: }
606: sub get_state {
607: my ($key) = @_;
608: return $state{$key};
609: }
610: }
611:
1.96 albertel 612: sub setup_globals {
1.172 albertel 613: my ($request,$target)=@_;
614: $Apache::lonxml::request=$request;
1.205 www 615: $errorcount=0;
616: $warningcount=0;
1.490 www 617: $Apache::lonxml::internal_error=0;
1.207 albertel 618: $Apache::lonxml::default_homework_loaded=0;
1.212 albertel 619: $Apache::lonxml::usestyle=1;
1.204 albertel 620: &init_counter();
1.462 foxr 621: &clear_bubble_lines_for_part();
1.465 albertel 622: &init_state();
1.469 albertel 623: &set_state('target',$target);
1.101 albertel 624: @Apache::lonxml::pwd=();
1.124 albertel 625: @Apache::lonxml::extlinks=();
1.448 albertel 626: @script_var_displays=();
1.281 albertel 627: @Apache::lonxml::ssi_info=();
1.282 albertel 628: $Apache::lonxml::post_evaluate=1;
1.295 albertel 629: $Apache::lonxml::warnings_error_header='';
1.397 albertel 630: $Apache::lonxml::substitute_LaTeX_symbols = 1;
1.96 albertel 631: if ($target eq 'meta') {
632: $Apache::lonxml::redirection = 0;
633: $Apache::lonxml::metamode = 1;
634: $Apache::lonxml::evaluate = 1;
635: $Apache::lonxml::import = 0;
1.129 albertel 636: } elsif ($target eq 'answer') {
637: $Apache::lonxml::redirection = 0;
638: $Apache::lonxml::metamode = 1;
639: $Apache::lonxml::evaluate = 1;
640: $Apache::lonxml::import = 1;
1.96 albertel 641: } elsif ($target eq 'grade') {
1.387 albertel 642: &startredirection(); #ended in inner_xmlparse on exit
1.96 albertel 643: $Apache::lonxml::metamode = 0;
644: $Apache::lonxml::evaluate = 1;
645: $Apache::lonxml::import = 1;
646: } elsif ($target eq 'modified') {
647: $Apache::lonxml::redirection = 0;
648: $Apache::lonxml::metamode = 0;
649: $Apache::lonxml::evaluate = 0;
650: $Apache::lonxml::import = 0;
651: } elsif ($target eq 'edit') {
652: $Apache::lonxml::redirection = 0;
653: $Apache::lonxml::metamode = 0;
654: $Apache::lonxml::evaluate = 0;
655: $Apache::lonxml::import = 0;
1.163 albertel 656: } elsif ($target eq 'analyze') {
657: $Apache::lonxml::redirection = 0;
658: $Apache::lonxml::metamode = 0;
659: $Apache::lonxml::evaluate = 1;
660: $Apache::lonxml::import = 1;
1.96 albertel 661: } else {
662: $Apache::lonxml::redirection = 0;
663: $Apache::lonxml::metamode = 0;
664: $Apache::lonxml::evaluate = 1;
665: $Apache::lonxml::import = 1;
666: }
667: }
668:
1.82 ng 669: sub init_safespace {
670: my ($target,$safeeval,$safehole,$safeinit) = @_;
1.511 foxr 671: $safeeval->reval('use LaTeX::Table;');
1.393 albertel 672: $safeeval->deny_only(':dangerous');
1.544 raeburn 673: $safeeval->reval('use LONCAPA::LCMathComplex;');
1.383 albertel 674: $safeeval->permit_only(":default");
1.82 ng 675: $safeeval->permit("entereval");
1.576 ! raeburn 676: $safeeval->permit("hintseval");
1.82 ng 677: $safeeval->permit(":base_math");
678: $safeeval->permit("sort");
1.286 albertel 679: $safeeval->permit("time");
1.480 www 680: $safeeval->permit("caller");
1.371 albertel 681: $safeeval->deny("rand");
682: $safeeval->deny("srand");
1.82 ng 683: $safeeval->deny(":base_io");
1.102 albertel 684: $safehole->wrap(\&Apache::scripttag::xmlparse,$safeeval,'&xmlparse');
1.251 albertel 685: $safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart');
1.82 ng 686: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
1.324 albertel 687: $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,
688: '&chem_standard_order');
1.369 albertel 689: $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');
1.471 bisitz 690: $safehole->wrap(\&Apache::response::implicit_multiplication,$safeeval,'&implicit_multiplication');
1.324 albertel 691:
1.431 www 692: $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');
1.432 www 693: $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
1.433 albertel 694: $safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,
695: '&maxima_cas_formula_fix');
696:
1.494 www 697: $safehole->wrap(\&Apache::lonr::r_eval,$safeeval,'&r_eval');
1.497 www 698: $safehole->wrap(\&Apache::lonr::Rentry,$safeeval,'&Rentry');
699: $safehole->wrap(\&Apache::lonr::Rarray,$safeeval,'&Rarray');
1.494 www 700: $safehole->wrap(\&Apache::lonr::r_check,$safeeval,'&r_check');
701: $safehole->wrap(\&Apache::lonr::r_cas_formula_fix,$safeeval,
702: '&r_cas_formula_fix');
1.572 raeburn 703:
1.433 albertel 704: $safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,
705: '&capa_formula_fix');
1.431 www 706:
1.480 www 707: $safehole->wrap(\&Apache::lonlocal::locallocaltime,$safeeval,
708: '&locallocaltime');
709:
1.82 ng 710: $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
711: $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
712: $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
713: $safehole->wrap(\&Math::Cephes::sinh,$safeeval,'&sinh');
714: $safehole->wrap(\&Math::Cephes::cosh,$safeeval,'&cosh');
715: $safehole->wrap(\&Math::Cephes::tanh,$safeeval,'&tanh');
716: $safehole->wrap(\&Math::Cephes::asinh,$safeeval,'&asinh');
717: $safehole->wrap(\&Math::Cephes::acosh,$safeeval,'&acosh');
718: $safehole->wrap(\&Math::Cephes::atanh,$safeeval,'&atanh');
719: $safehole->wrap(\&Math::Cephes::erf,$safeeval,'&erf');
720: $safehole->wrap(\&Math::Cephes::erfc,$safeeval,'&erfc');
721: $safehole->wrap(\&Math::Cephes::j0,$safeeval,'&j0');
722: $safehole->wrap(\&Math::Cephes::j1,$safeeval,'&j1');
723: $safehole->wrap(\&Math::Cephes::jn,$safeeval,'&jn');
724: $safehole->wrap(\&Math::Cephes::jv,$safeeval,'&jv');
725: $safehole->wrap(\&Math::Cephes::y0,$safeeval,'&y0');
726: $safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1');
727: $safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn');
728: $safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv');
1.572 raeburn 729:
1.215 albertel 730: $safehole->wrap(\&Math::Cephes::bdtr ,$safeeval,'&bdtr' );
731: $safehole->wrap(\&Math::Cephes::bdtrc ,$safeeval,'&bdtrc' );
732: $safehole->wrap(\&Math::Cephes::bdtri ,$safeeval,'&bdtri' );
733: $safehole->wrap(\&Math::Cephes::btdtr ,$safeeval,'&btdtr' );
734: $safehole->wrap(\&Math::Cephes::chdtr ,$safeeval,'&chdtr' );
735: $safehole->wrap(\&Math::Cephes::chdtrc,$safeeval,'&chdtrc');
736: $safehole->wrap(\&Math::Cephes::chdtri,$safeeval,'&chdtri');
737: $safehole->wrap(\&Math::Cephes::fdtr ,$safeeval,'&fdtr' );
738: $safehole->wrap(\&Math::Cephes::fdtrc ,$safeeval,'&fdtrc' );
739: $safehole->wrap(\&Math::Cephes::fdtri ,$safeeval,'&fdtri' );
740: $safehole->wrap(\&Math::Cephes::gdtr ,$safeeval,'&gdtr' );
741: $safehole->wrap(\&Math::Cephes::gdtrc ,$safeeval,'&gdtrc' );
742: $safehole->wrap(\&Math::Cephes::nbdtr ,$safeeval,'&nbdtr' );
743: $safehole->wrap(\&Math::Cephes::nbdtrc,$safeeval,'&nbdtrc');
744: $safehole->wrap(\&Math::Cephes::nbdtri,$safeeval,'&nbdtri');
745: $safehole->wrap(\&Math::Cephes::ndtr ,$safeeval,'&ndtr' );
746: $safehole->wrap(\&Math::Cephes::ndtri ,$safeeval,'&ndtri' );
747: $safehole->wrap(\&Math::Cephes::pdtr ,$safeeval,'&pdtr' );
748: $safehole->wrap(\&Math::Cephes::pdtrc ,$safeeval,'&pdtrc' );
749: $safehole->wrap(\&Math::Cephes::pdtri ,$safeeval,'&pdtri' );
750: $safehole->wrap(\&Math::Cephes::stdtr ,$safeeval,'&stdtr' );
751: $safehole->wrap(\&Math::Cephes::stdtri,$safeeval,'&stdtri');
752:
1.383 albertel 753: $safehole->wrap(\&Math::Cephes::Matrix::mat,$safeeval,'&mat');
754: $safehole->wrap(\&Math::Cephes::Matrix::new,$safeeval,
755: '&Math::Cephes::Matrix::new');
756: $safehole->wrap(\&Math::Cephes::Matrix::coef,$safeeval,
757: '&Math::Cephes::Matrix::coef');
758: $safehole->wrap(\&Math::Cephes::Matrix::clr,$safeeval,
759: '&Math::Cephes::Matrix::clr');
760: $safehole->wrap(\&Math::Cephes::Matrix::add,$safeeval,
761: '&Math::Cephes::Matrix::add');
762: $safehole->wrap(\&Math::Cephes::Matrix::sub,$safeeval,
763: '&Math::Cephes::Matrix::sub');
764: $safehole->wrap(\&Math::Cephes::Matrix::mul,$safeeval,
765: '&Math::Cephes::Matrix::mul');
766: $safehole->wrap(\&Math::Cephes::Matrix::div,$safeeval,
767: '&Math::Cephes::Matrix::div');
768: $safehole->wrap(\&Math::Cephes::Matrix::inv,$safeeval,
769: '&Math::Cephes::Matrix::inv');
770: $safehole->wrap(\&Math::Cephes::Matrix::transp,$safeeval,
771: '&Math::Cephes::Matrix::transp');
772: $safehole->wrap(\&Math::Cephes::Matrix::simq,$safeeval,
773: '&Math::Cephes::Matrix::simq');
774: $safehole->wrap(\&Math::Cephes::Matrix::mat_to_vec,$safeeval,
775: '&Math::Cephes::Matrix::mat_to_vec');
776: $safehole->wrap(\&Math::Cephes::Matrix::vec_to_mat,$safeeval,
777: '&Math::Cephes::Matrix::vec_to_mat');
778: $safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval,
779: '&Math::Cephes::Matrix::check');
780: $safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval,
781: '&Math::Cephes::Matrix::check');
782:
1.215 albertel 783: # $safehole->wrap(\&Math::Cephes::new_fract,$safeeval,'&new_fract');
784: # $safehole->wrap(\&Math::Cephes::radd,$safeeval,'&radd');
785: # $safehole->wrap(\&Math::Cephes::rsub,$safeeval,'&rsub');
786: # $safehole->wrap(\&Math::Cephes::rmul,$safeeval,'&rmul');
787: # $safehole->wrap(\&Math::Cephes::rdiv,$safeeval,'&rdiv');
788: # $safehole->wrap(\&Math::Cephes::euclid,$safeeval,'&euclid');
789:
1.91 ng 790: $safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta');
791: $safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square');
792: $safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential');
793: $safehole->wrap(\&Math::Random::random_f,$safeeval,'&math_random_f');
794: $safehole->wrap(\&Math::Random::random_gamma,$safeeval,'&math_random_gamma');
795: $safehole->wrap(\&Math::Random::random_multivariate_normal,$safeeval,'&math_random_multivariate_normal');
796: $safehole->wrap(\&Math::Random::random_multinomial,$safeeval,'&math_random_multinomial');
797: $safehole->wrap(\&Math::Random::random_noncentral_chi_square,$safeeval,'&math_random_noncentral_chi_square');
798: $safehole->wrap(\&Math::Random::random_noncentral_f,$safeeval,'&math_random_noncentral_f');
799: $safehole->wrap(\&Math::Random::random_normal,$safeeval,'&math_random_normal');
800: $safehole->wrap(\&Math::Random::random_permutation,$safeeval,'&math_random_permutation');
1.93 ng 801: $safehole->wrap(\&Math::Random::random_permuted_index,$safeeval,'&math_random_permuted_index');
1.91 ng 802: $safehole->wrap(\&Math::Random::random_uniform,$safeeval,'&math_random_uniform');
803: $safehole->wrap(\&Math::Random::random_poisson,$safeeval,'&math_random_poisson');
804: $safehole->wrap(\&Math::Random::random_uniform_integer,$safeeval,'&math_random_uniform_integer');
805: $safehole->wrap(\&Math::Random::random_negative_binomial,$safeeval,'&math_random_negative_binomial');
806: $safehole->wrap(\&Math::Random::random_binomial,$safeeval,'&math_random_binomial');
807: $safehole->wrap(\&Math::Random::random_seed_from_phrase,$safeeval,'&random_seed_from_phrase');
808: $safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
809: $safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
810: $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
1.458 albertel 811: $safehole->wrap(\&Apache::loncommon::languages,$safeeval,'&languages');
1.305 albertel 812: $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
1.311 albertel 813: $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
1.420 albertel 814: $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
815: $safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');
1.322 albertel 816: $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
1.521 www 817: $safehole->wrap(\&Apache::functionplotresponse::fpr_val,$safeeval,'&fpr_val');
1.520 www 818: $safehole->wrap(\&Apache::functionplotresponse::fpr_f,$safeeval,'&fpr_f');
819: $safehole->wrap(\&Apache::functionplotresponse::fpr_dfdx,$safeeval,'&fpr_dfdx');
820: $safehole->wrap(\&Apache::functionplotresponse::fpr_d2fdx2,$safeeval,'&fpr_d2fdx2');
1.524 www 821: $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorcoords,$safeeval,'&fpr_vectorcoords');
822: $safehole->wrap(\&Apache::functionplotresponse::fpr_objectcoords,$safeeval,'&fpr_objectcoords');
823: $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorlength,$safeeval,'&fpr_vectorlength');
824: $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorangle,$safeeval,'&fpr_vectorangle');
1.558 raeburn 825: $safehole->wrap(\&Math::Calculus::Expression::math_calculus_expression,$safeeval,'&math_calculus_expression');
1.560 raeburn 826: $safehole->wrap(\&Number::FormatEng::format_eng,$safeeval,'&number_format_eng');
827: $safehole->wrap(\&Number::FormatEng::format_pref,$safeeval,'&number_format_pref');
1.520 www 828:
1.430 albertel 829: # use Data::Dumper;
830: # $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
1.82 ng 831: #need to inspect this class of ops
832: # $safeeval->deny(":base_orig");
1.331 albertel 833: $safeeval->permit("require");
1.91 ng 834: $safeinit .= ';$external::target="'.$target.'";';
1.82 ng 835: &Apache::run::run($safeinit,$safeeval);
1.552 raeburn 836: my $rawrndseed = &initialize_rndseed($safeeval);
837: if ($target eq 'grade') {
838: $Apache::lonhomework::rawrndseed = $rawrndseed;
839: }
1.373 albertel 840: }
1.303 albertel 841:
1.393 albertel 842: sub clean_safespace {
843: my ($safeeval) = @_;
844: delete_package_recurse($safeeval->{Root});
845: }
846:
847: sub delete_package_recurse {
848: my ($package) = @_;
849: my @subp;
850: {
851: no strict 'refs';
852: while (my ($key,$val) = each(%{*{"$package\::"}})) {
853: if (!defined($val)) { next; }
854: local (*ENTRY) = $val;
855: if (defined *ENTRY{HASH} && $key =~ /::$/ &&
856: $key ne "main::" && $key ne "<none>::")
857: {
858: my ($p) = $package ne "main" ? "$package\::" : "";
859: ($p .= $key) =~ s/::$//;
860: push(@subp,$p);
861: }
862: }
863: }
864: foreach my $p (@subp) {
865: delete_package_recurse($p);
866: }
867: Symbol::delete_package($package);
868: }
869:
1.373 albertel 870: sub initialize_rndseed {
871: my ($safeeval)=@_;
872: my $rndseed;
1.423 albertel 873: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
1.373 albertel 874: $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
875: my $safeinit = '$external::randomseed="'.$rndseed.'";';
876: &Apache::lonxml::debug("Setting rndseed to $rndseed");
877: &Apache::run::run($safeinit,$safeeval);
1.552 raeburn 878: return $rndseed;
1.207 albertel 879: }
880:
881: sub default_homework_load {
882: my ($safeeval)=@_;
883: &Apache::lonxml::debug('Loading default_homework');
1.522 raeburn 884: my $default=&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonIncludes'}.
885: '/default_homework.lcpm');
1.241 albertel 886: if ($default eq -1) {
1.207 albertel 887: &Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
888: } else {
889: &Apache::run::run($default,$safeeval);
890: $Apache::lonxml::default_homework_loaded=1;
891: }
1.17 albertel 892: }
893:
1.358 albertel 894: {
895: my $alarm_depth;
896: sub init_alarm {
897: alarm(0);
898: $alarm_depth=0;
899: }
900:
901: sub start_alarm {
902: if ($alarm_depth<1) {
903: my $old=alarm($Apache::lonnet::perlvar{'lonScriptTimeout'});
904: if ($old) {
905: &Apache::lonxml::error("Cancelled an alarm of $old, this shouldn't occur.");
906: }
907: }
908: $alarm_depth++;
909: }
910:
911: sub end_alarm {
912: $alarm_depth--;
913: if ($alarm_depth<1) { alarm(0); }
914: }
915: }
1.328 albertel 916: my $metamode_was;
1.55 albertel 917: sub startredirection {
1.328 albertel 918: if (!$Apache::lonxml::redirection) {
919: $metamode_was=$Apache::lonxml::metamode;
920: }
921: $Apache::lonxml::metamode=0;
922: $Apache::lonxml::redirection++;
923: push (@Apache::lonxml::outputstack, '');
1.55 albertel 924: }
925:
926: sub endredirection {
1.328 albertel 927: if (!$Apache::lonxml::redirection) {
1.380 www 928: &Apache::lonxml::error("Endredirection was called before a startredirection, perhaps you have unbalanced tags. Some debugging information:".join ":",caller);
1.328 albertel 929: return '';
930: }
931: $Apache::lonxml::redirection--;
932: if (!$Apache::lonxml::redirection) {
933: $Apache::lonxml::metamode=$metamode_was;
934: }
935: pop @Apache::lonxml::outputstack;
1.97 albertel 936: }
1.459 albertel 937: sub in_redirection {
938: return ($Apache::lonxml::redirection > 0)
939: }
1.97 albertel 940:
941: sub end_tag {
942: my ($tagstack,$parstack,$token)=@_;
943: pop(@$tagstack);
944: pop(@$parstack);
945: &decreasedepth($token);
1.55 albertel 946: }
947:
1.17 albertel 948: sub initdepth {
949: @Apache::lonxml::depthcounter=();
1.439 albertel 950: undef($Apache::lonxml::last_depth_count);
1.17 albertel 951: }
952:
1.438 albertel 953:
1.339 albertel 954: my @timers;
955: my $lasttime;
1.438 albertel 956: # @Apache::lonxml::depthcounter -> count of tags that exist so
957: # far at each level
1.439 albertel 958: # $Apache::lonxml::last_depth_count -> when ascending, need to
959: # remember the count for the level below the current level (for
960: # example going from 1_2 -> 1 -> 1_3 need to remember the 2 )
1.438 albertel 961:
1.17 albertel 962: sub increasedepth {
1.19 albertel 963: my ($token) = @_;
1.439 albertel 964: push(@Apache::lonxml::depthcounter,$Apache::lonxml::last_depth_count+1);
965: undef($Apache::lonxml::last_depth_count);
1.340 albertel 966: my $time;
967: if ($Apache::lonxml::debug eq "1") {
968: push(@timers,[&gettimeofday()]);
969: $time=&tv_interval($lasttime);
970: $lasttime=[&gettimeofday()];
971: }
1.439 albertel 972: my $spacing=' 'x($#Apache::lonxml::depthcounter);
1.438 albertel 973: $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
1.439 albertel 974: # &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time");
1.54 albertel 975: #print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
1.17 albertel 976: }
977:
978: sub decreasedepth {
1.19 albertel 979: my ($token) = @_;
1.439 albertel 980: if ( $#Apache::lonxml::depthcounter == -1) {
981: &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
1.43 albertel 982: }
1.439 albertel 983: $Apache::lonxml::last_depth_count = pop(@Apache::lonxml::depthcounter);
984:
1.340 albertel 985: my ($timer,$time);
986: if ($Apache::lonxml::debug eq "1") {
987: $timer=pop(@timers);
988: $time=&tv_interval($lasttime);
989: $lasttime=[&gettimeofday()];
990: }
1.439 albertel 991: my $spacing=' 'x($#Apache::lonxml::depthcounter);
992: $Apache::lonxml::curdepth = join('_',@Apache::lonxml::depthcounter);
993: # &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer));
1.54 albertel 994: #print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
1.1 sakharuk 995: }
1.19 albertel 996:
1.399 albertel 997: sub get_id {
998: my ($parstack,$safeeval)=@_;
999: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1.557 damieng 1000: if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\s\-])/) {
1.498 bisitz 1001: &error(&mt('ID [_1] contains invalid characters. IDs are only allowed to contain letters, numbers, spaces and -','"<tt>'.$id.'</tt>"'));
1.399 albertel 1002: }
1003: if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
1004: return $id;
1005: }
1006:
1.180 albertel 1007: sub get_all_text_unbalanced {
1.190 albertel 1008: #there is a copy of this in lonpublisher.pm
1.326 albertel 1009: my($tag,$pars)= @_;
1010: my $token;
1011: my $result='';
1012: $tag='<'.$tag.'>';
1013: while ($token = $$pars[-1]->get_token) {
1014: if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
1.386 albertel 1015: if ($token->[0] eq 'T' && $token->[2]) {
1.382 albertel 1016: $result.='<![CDATA['.$token->[1].']]>';
1017: } else {
1018: $result.=$token->[1];
1019: }
1.326 albertel 1020: } elsif ($token->[0] eq 'PI') {
1021: $result.=$token->[2];
1022: } elsif ($token->[0] eq 'S') {
1023: $result.=$token->[4];
1024: } elsif ($token->[0] eq 'E') {
1025: $result.=$token->[2];
1026: }
1027: if ($result =~ /\Q$tag\E/is) {
1028: ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
1029: #&Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
1030: #&Apache::lonxml::debug('Result is :'.$1);
1031: $redo=$tag.$redo;
1032: &Apache::lonxml::newparser($pars,\$redo);
1033: last;
1034: }
1035: }
1036: return $result
1.462 foxr 1037:
1.204 albertel 1038: }
1039:
1.462 foxr 1040: #########################################################################
1041: # #
1042: # bubble line counter management #
1043: # #
1044: #########################################################################
1045:
1.447 albertel 1046: =pod
1047:
1048: For bubble grading mode and exam bubble printing mode, the tracking of
1049: the current 'bubble line number' is stored in the %env element
1050: 'form.counter', and is modifed and handled by the following routines.
1051:
1052: The value of it is stored in $Apache:lonxml::counter when live and
1053: stored back to env after done.
1054:
1.522 raeburn 1055: =item &increment_counter($increment, $part_response);
1.447 albertel 1056:
1057: Increments the internal counter environment variable a specified amount
1058:
1059: Optional Arguments:
1060: $increment - amount to increment by (defaults to 1)
1.462 foxr 1061: Also 1 if the value is negative or zero.
1.467 foxr 1062: $part_response - A concatenation of the part and response id
1063: identifying exactly what is being 'answered'.
1064:
1.447 albertel 1065:
1066: =cut
1067:
1.204 albertel 1068: sub increment_counter {
1.467 foxr 1069: my ($increment, $part_response) = @_;
1.481 raeburn 1070: if ($env{'form.grade_noincrement'}) { return; }
1.462 foxr 1071: if (!defined($increment) || $increment le 0) {
1072: $increment = 1;
1073: }
1074: $Apache::lonxml::counter += $increment;
1075:
1.572 raeburn 1076: # If the caller supplied the response_id parameter,
1.462 foxr 1077: # Maintain its counter.. creating if necessary.
1078:
1.470 albertel 1079: if (defined($part_response)) {
1.467 foxr 1080: if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
1081: $Apache::lonxml::counters_per_part{$part_response} = 0;
1.462 foxr 1082: }
1.467 foxr 1083: $Apache::lonxml::counters_per_part{$part_response} += $increment;
1084: my $new_value = $Apache::lonxml::counters_per_part{$part_response};
1.247 albertel 1085: }
1.462 foxr 1086:
1.289 sakharuk 1087: $Apache::lonxml::counter_changed=1;
1.204 albertel 1088: }
1089:
1.447 albertel 1090: =pod
1091:
1.461 foxr 1092: =item &init_counter($increment);
1.447 albertel 1093:
1094: Initialize the internal counter environment variable
1095:
1096: =cut
1097:
1.204 albertel 1098: sub init_counter {
1.391 albertel 1099: if ($env{'request.state'} eq 'construct') {
1100: $Apache::lonxml::counter=1;
1101: $Apache::lonxml::counter_changed=1;
1102: } elsif (defined($env{'form.counter'})) {
1.372 albertel 1103: $Apache::lonxml::counter=$env{'form.counter'};
1.247 albertel 1104: $Apache::lonxml::counter_changed=0;
1.237 sakharuk 1105: } else {
1.204 albertel 1106: $Apache::lonxml::counter=1;
1.247 albertel 1107: $Apache::lonxml::counter_changed=1;
1.204 albertel 1108: }
1109: }
1110:
1111: sub store_counter {
1.474 raeburn 1112: &Apache::lonnet::appenv({'form.counter' => $Apache::lonxml::counter});
1.401 albertel 1113: $Apache::lonxml::counter_changed=0;
1.204 albertel 1114: return '';
1.180 albertel 1115: }
1116:
1.398 albertel 1117: {
1118: my $state;
1119: sub clear_problem_counter {
1120: undef($state);
1121: &Apache::lonnet::delenv('form.counter');
1122: &Apache::lonxml::init_counter();
1123: &Apache::lonxml::store_counter();
1124: }
1125:
1126: sub remember_problem_counter {
1.422 albertel 1127: &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
1.398 albertel 1128: $state = $env{'form.counter'};
1129: }
1130:
1131: sub restore_problem_counter {
1132: if (defined($state)) {
1.474 raeburn 1133: &Apache::lonnet::appenv({'form.counter' => $state});
1.398 albertel 1134: }
1135: }
1.401 albertel 1136: sub get_problem_counter {
1137: if ($Apache::lonxml::counter_changed) { &store_counter() }
1.422 albertel 1138: &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
1.401 albertel 1139: return $env{'form.counter'};
1140: }
1.398 albertel 1141: }
1142:
1.462 foxr 1143: =pod
1144:
1.468 albertel 1145: =item bubble_lines_for_part(part_response)
1.462 foxr 1146:
1147: Returns the number of lines required to get a response for
1.467 foxr 1148: $part_response (this is just $Apache::lonxml::counters_per_part{$part_response}
1.462 foxr 1149:
1150: =cut
1151:
1152: sub bubble_lines_for_part {
1.467 foxr 1153: my ($part_response) = @_;
1.462 foxr 1154:
1.467 foxr 1155: if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
1.462 foxr 1156: return 0;
1157: } else {
1.467 foxr 1158: return $Apache::lonxml::counters_per_part{$part_response};
1.462 foxr 1159: }
1160: }
1161:
1162: =pod
1163:
1164: =item clear_bubble_lines_for_part
1165:
1166: Clears the hash of bubble lines per part. If a caller
1167: needs to analyze several resources this should be called between
1168: resources to reset the hash for each problem being analyzed.
1169:
1170: =cut
1171:
1172: sub clear_bubble_lines_for_part {
1173: undef(%Apache::lonxml::counters_per_part);
1174: }
1175:
1176: =pod
1177:
1.468 albertel 1178: =item set_bubble_lines(part_response, value)
1.462 foxr 1179:
1180: If there is a problem part, that for whatever reason
1181: requires bubble lines that are not
1182: the same as the counter increment, it can call this sub during
1183: analysis to set its hash value explicitly.
1184:
1185: =cut
1186:
1187: sub set_bubble_lines {
1.467 foxr 1188: my ($part_response, $value) = @_;
1.462 foxr 1189:
1.467 foxr 1190: $Apache::lonxml::counters_per_part{$part_response} = $value;
1.462 foxr 1191: }
1192:
1193: =pod
1194:
1195: =item get_bubble_line_hash
1196:
1.572 raeburn 1197: Returns the current bubble line hash. This is assumed to
1.462 foxr 1198: be small so we return a copy
1199:
1200:
1201: =cut
1202:
1203: sub get_bubble_line_hash {
1204: return %Apache::lonxml::counters_per_part;
1205: }
1206:
1207:
1208: #--------------------------------------------------
1209:
1.19 albertel 1210: sub get_all_text {
1.270 albertel 1211: my($tag,$pars,$style)= @_;
1212: my $gotfullstack=1;
1213: if (ref($pars) ne 'ARRAY') {
1214: $gotfullstack=0;
1215: $pars=[$pars];
1216: }
1217: if (ref($style) ne 'HASH') {
1218: $style={};
1219: }
1220: my $depth=0;
1221: my $token;
1222: my $result='';
1.572 raeburn 1223: if ( $tag =~ m:^/: ) {
1224: my $tag=substr($tag,1);
1.270 albertel 1225: #&Apache::lonxml::debug("have:$tag:");
1226: my $top_empty=0;
1227: while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) {
1228: while (($depth >=0) && ($token = $$pars[-1]->get_token)) {
1229: #&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
1230: if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
1.382 albertel 1231: if ($token->[2]) {
1232: $result.='<![CDATA['.$token->[1].']]>';
1233: } else {
1234: $result.=$token->[1];
1235: }
1.270 albertel 1236: } elsif ($token->[0] eq 'PI') {
1237: $result.=$token->[2];
1238: } elsif ($token->[0] eq 'S') {
1.316 albertel 1239: if ($token->[1] =~ /^\Q$tag\E$/i) { $depth++; }
1240: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
1241: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
1.270 albertel 1242: $result.=$token->[4];
1243: } elsif ($token->[0] eq 'E') {
1.316 albertel 1244: if ( $token->[1] =~ /^\Q$tag\E$/i) { $depth--; }
1.270 albertel 1245: #skip sending back the last end tag
1.283 albertel 1246: if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {
1.270 albertel 1247: my $string=
1248: '<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'.
1249: $$style{'/'.$token->[1]}.
1250: $token->[2].
1251: '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
1252: &Apache::lonxml::newparser($pars,\$string);
1253: #&Apache::lonxml::debug("reParsing $string");
1254: next;
1255: }
1256: if ($depth > -1) {
1257: $result.=$token->[2];
1258: } else {
1259: $$pars[-1]->unget_token($token);
1260: }
1261: }
1262: }
1263: if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; }
1264: if (($depth >=0) && ($#$pars > 0) ) {
1265: pop(@$pars);
1266: pop(@Apache::lonxml::pwd);
1267: }
1268: }
1269: if ($top_empty && $depth >= 0) {
1270: #never found the end tag ran out of text, throw error send back blank
1271: &error('Never found end tag for <'.$tag.
1272: '> current string <pre>'.
1.314 albertel 1273: &HTML::Entities::encode($result,'<>&"').
1.270 albertel 1274: '</pre>');
1275: if ($gotfullstack) {
1276: my $newstring='</'.$tag.'>'.$result;
1277: &Apache::lonxml::newparser($pars,\$newstring);
1278: }
1279: $result='';
1280: }
1281: } else {
1282: while ($#$pars > -1) {
1283: while ($token = $$pars[-1]->get_token) {
1284: #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
1285: if (($token->[0] eq 'T')||($token->[0] eq 'C')||
1286: ($token->[0] eq 'D')) {
1.382 albertel 1287: if ($token->[2]) {
1288: $result.='<![CDATA['.$token->[1].']]>';
1289: } else {
1290: $result.=$token->[1];
1291: }
1.270 albertel 1292: } elsif ($token->[0] eq 'PI') {
1293: $result.=$token->[2];
1294: } elsif ($token->[0] eq 'S') {
1.316 albertel 1295: if ( $token->[1] =~ /^\Q$tag\E$/i) {
1.270 albertel 1296: $$pars[-1]->unget_token($token); last;
1297: } else {
1298: $result.=$token->[4];
1299: }
1.316 albertel 1300: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
1301: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
1.270 albertel 1302: } elsif ($token->[0] eq 'E') {
1303: $result.=$token->[2];
1304: }
1305: }
1306: if (($#$pars > 0) ) {
1307: pop(@$pars);
1308: pop(@Apache::lonxml::pwd);
1309: } else { last; }
1310: }
1311: }
1312: #&Apache::lonxml::debug("Exit:$result:");
1313: return $result
1.19 albertel 1314: }
1315:
1.23 albertel 1316: sub newparser {
1317: my ($parser,$contentref,$dir) = @_;
1.167 albertel 1318: push (@$parser,HTML::LCParser->new($contentref));
1.365 albertel 1319: $$parser[-1]->xml_mode(1);
1320: $$parser[-1]->marked_sections(1);
1.23 albertel 1321: if ( $dir eq '' ) {
1322: push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]);
1323: } else {
1324: push (@Apache::lonxml::pwd, $dir);
1.572 raeburn 1325: }
1.23 albertel 1326: }
1.1 sakharuk 1327:
1.8 albertel 1328: sub parstring {
1.417 albertel 1329: my ($token) = @_;
1330: my (@vars,@values);
1331: foreach my $attr (@{$token->[3]}) {
1332: if ($attr!~/\W/) {
1333: my $val=$token->[2]->{$attr};
1334: $val =~ s/([\%\@\\\"\'])/\\$1/g;
1335: $val =~ s/(\$[^\{a-zA-Z_])/\\$1/g;
1336: $val =~ s/(\$)$/\\$1/;
1337: #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
1338: push(@vars,"\$$attr");
1339: push(@values,"\"$val\"");
1340: }
1341: }
1.572 raeburn 1342: my $var_init =
1.417 albertel 1343: (@vars) ? 'my ('.join(',',@vars).') = ('.join(',',@values).');'
1344: : '';
1345: return $var_init;
1.8 albertel 1346: }
1.22 albertel 1347:
1.384 albertel 1348: sub extlink {
1349: my ($res,$exact)=@_;
1350: if (!$exact) {
1351: $res=&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1],$res);
1352: }
1.550 raeburn 1353: push(@Apache::lonxml::extlinks,$res);
1.384 albertel 1354: }
1355:
1.34 www 1356: sub writeallows {
1.126 www 1357: unless ($#extlinks>=0) { return; }
1.377 albertel 1358: my $thisurl = &Apache::lonnet::clutter(shift);
1.372 albertel 1359: if ($env{'httpref.'.$thisurl}) {
1360: $thisurl=$env{'httpref.'.$thisurl};
1.111 www 1361: }
1.34 www 1362: my $thisdir=$thisurl;
1363: $thisdir=~s/\/[^\/]+$//;
1364: my %httpref=();
1.142 albertel 1365: foreach (@extlinks) {
1.34 www 1366: $httpref{'httpref.'.
1.444 albertel 1367: &Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;
1.142 albertel 1368: }
1.126 www 1369: @extlinks=();
1.474 raeburn 1370: &Apache::lonnet::appenv(\%httpref);
1.34 www 1371: }
1372:
1.281 albertel 1373: sub register_ssi {
1374: my ($url,%form)=@_;
1375: push (@Apache::lonxml::ssi_info,{'url'=>$url,'form'=>\%form});
1376: return '';
1377: }
1378:
1379: sub do_registered_ssi {
1380: foreach my $info (@Apache::lonxml::ssi_info) {
1381: my %form=%{ $info->{'form'}};
1382: my $url=$info->{'url'};
1383: &Apache::lonnet::ssi($url,%form);
1384: }
1385: }
1.448 albertel 1386:
1387: sub add_script_result {
1388: my ($display) = @_;
1.546 raeburn 1389: if ($display ne '') {
1390: push(@script_var_displays, $display);
1391: }
1.448 albertel 1392: }
1393:
1.66 www 1394: #
1395: # Afterburner handles anchors, highlights and links
1396: #
1397: sub afterburn {
1398: my $result=shift;
1.154 albertel 1399: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1400: ['highlight','anchor','link']);
1.372 albertel 1401: if ($env{'form.highlight'}) {
1402: foreach (split(/\,/,$env{'form.highlight'})) {
1.66 www 1403: my $anchorname=$_;
1404: my $matchthis=$anchorname;
1405: $matchthis=~s/\_+/\\s\+/g;
1.317 albertel 1406: $result=~s/(\Q$matchthis\E)/\<font color=\"red\"\>$1\<\/font\>/gs;
1.142 albertel 1407: }
1.66 www 1408: }
1.372 albertel 1409: if ($env{'form.link'}) {
1410: foreach (split(/\,/,$env{'form.link'})) {
1.66 www 1411: my ($anchorname,$linkurl)=split(/\>/,$_);
1412: my $matchthis=$anchorname;
1413: $matchthis=~s/\_+/\\s\+/g;
1.317 albertel 1414: $result=~s/(\Q$matchthis\E)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;
1.142 albertel 1415: }
1.66 www 1416: }
1.372 albertel 1417: if ($env{'form.anchor'}) {
1418: my $anchorname=$env{'form.anchor'};
1.66 www 1419: my $matchthis=$anchorname;
1420: $matchthis=~s/\_+/\\s\+/g;
1.317 albertel 1421: $result=~s/(\Q$matchthis\E)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;
1.66 www 1422: $result.=(<<"ENDSCRIPT");
1.226 albertel 1423: <script type="text/javascript">
1.66 www 1424: document.location.hash='$anchorname';
1425: </script>
1426: ENDSCRIPT
1427: }
1428: return $result;
1429: }
1430:
1.79 www 1431: sub storefile {
1432: my ($file,$contents)=@_;
1.290 albertel 1433: &Apache::lonnet::correct_line_ends(\$contents);
1.79 www 1434: if (my $fh=Apache::File->new('>'.$file)) {
1435: print $fh $contents;
1436: $fh->close();
1.271 www 1437: return 1;
1.147 albertel 1438: } else {
1.482 bisitz 1439: &warning(&mt('Unable to save file [_1]','<tt>'.$file.'</tt>'));
1.271 www 1440: return 0;
1.79 www 1441: }
1442: }
1443:
1.151 albertel 1444: sub createnewhtml {
1.321 www 1445: my $title=&mt('Title of document goes here');
1446: my $body=&mt('Body of document goes here');
1447: my $filecontents=(<<SIMPLECONTENT);
1.78 www 1448: <html>
1449: <head>
1.321 www 1450: <title>$title</title>
1.78 www 1451: </head>
1452: <body bgcolor="#FFFFFF">
1.321 www 1453: $body
1.78 www 1454: </body>
1455: </html>
1456: SIMPLECONTENT
1.321 www 1457: return $filecontents;
1.151 albertel 1458: }
1459:
1.274 albertel 1460: sub createnewsty {
1461: my $filecontents=(<<SIMPLECONTENT);
1462: <definetag name="">
1463: <render>
1464: <web></web>
1465: <tex></tex>
1466: </render>
1467: </definetag>
1468: SIMPLECONTENT
1469: return $filecontents;
1470: }
1471:
1.493 raeburn 1472: sub createnewjs {
1473: my $filecontents=(<<SIMPLECONTENT);
1474: <script type="text/javascript" language="Javascript">
1475:
1476: </script>
1477: SIMPLECONTENT
1478: return $filecontents;
1479: }
1480:
1.472 www 1481: sub verify_html {
1482: my ($filecontents)=@_;
1.553 raeburn 1483: my ($is_html,$is_xml,$is_physnet);
1.516 raeburn 1484: if ($filecontents =~/(?:\<|\<\;)\?xml[^\<]*\?(?:\>|\>\;)/is) {
1485: $is_xml = 1;
1.518 raeburn 1486: } elsif ($filecontents =~/(?:\<|\<\;)html(?:\s+[^\<]+|\s*)(?:\>|\>\;)/is) {
1.516 raeburn 1487: $is_html = 1;
1.553 raeburn 1488: } elsif ($filecontents =~/(?:\<|\<\;)physnet[^\<]*(?:\>|\>\;)/is) {
1489: $is_physnet = 1;
1.516 raeburn 1490: }
1.553 raeburn 1491: unless ($is_xml || $is_html || $is_physnet) {
1.516 raeburn 1492: return &mt('File does not have [_1] or [_2] starting tag','<html>','<?xml ?>');
1493: }
1494: if ($is_html) {
1495: if ($filecontents!~/(?:\<|\<\;)\/html(?:\>|\>\;)/is) {
1496: return &mt('File does not have [_1] ending tag','<html>');
1497: }
1498: if ($filecontents!~/(?:\<|\<\;)(?:body|frameset)[^\<]*(?:\>|\>\;)/is) {
1499: return &mt('File does not have [_1] or [_2] starting tag','<body>','<frameset>');
1500: }
1501: if ($filecontents!~/(?:\<|\<\;)\/(?:body|frameset)[^\<]*(?:\>|\>\;)/is) {
1502: return &mt('File does not have [_1] or [_2] ending tag','<body>','<frameset>');
1503: }
1.472 www 1504: }
1505: return '';
1506: }
1.147 albertel 1507:
1.478 www 1508: sub renderingoptions {
1509: my %langchoices=('' => '');
1510: foreach (&Apache::loncommon::languageids()) {
1511: if (&Apache::loncommon::supportedlanguagecode($_)) {
1512: $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
1513: = &Apache::loncommon::plainlanguagedescription($_);
1514: }
1515: }
1.500 raeburn 1516: my $output;
1517: unless ($env{'form.forceedit'}) {
1.504 bisitz 1518: $output .=
1519: '<span class="LC_nobreak">'.
1.500 raeburn 1520: &mt('Language:').' '.
1.504 bisitz 1521: &Apache::loncommon::select_form(
1522: $env{'form.languages'},
1523: 'languages',
1.510 raeburn 1524: {&Apache::lonlocal::texthash(%langchoices)}).
1.504 bisitz 1525: '</span>';
1.500 raeburn 1526: }
1.504 bisitz 1527: $output .=
1528: ' <span class="LC_nobreak">'.
1.479 bisitz 1529: &mt('Math Rendering:').' '.
1.504 bisitz 1530: &Apache::loncommon::select_form(
1531: $env{'form.texengine'},
1532: 'texengine',
1.510 raeburn 1533: {&Apache::lonlocal::texthash
1.504 bisitz 1534: ('' => '',
1535: 'tth' => 'tth (TeX to HTML)',
1.526 dseaton 1536: 'MathJax' => 'MathJax',
1.510 raeburn 1537: 'mimetex' => 'mimetex (Convert to Images)')}).
1.504 bisitz 1538: '</span>';
1.500 raeburn 1539: return $output;
1.478 www 1540: }
1541:
1.151 albertel 1542: sub inserteditinfo {
1.543 raeburn 1543: my ($filecontents,$filetype,$filename,$symb,$itemtitle,$folderpath,$uri,$action) = @_;
1.314 albertel 1544: $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
1.274 albertel 1545: my $xml_help = '';
1.321 www 1546: my $initialize='';
1.452 albertel 1547: my $textarea_id = 'filecont';
1.548 raeburn 1548: my ($dragmath_button,$deps_button,$context,$cnum,$cdom,$add_to_onload,
1549: $add_to_onresize,$init_dragmath);
1.456 albertel 1550: $initialize=&Apache::lonhtmlcommon::spellheader();
1.548 raeburn 1551: if ($filetype eq 'html') {
1552: if ($env{'request.course.id'}) {
1553: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1554: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1555: if ($uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E}) {
1556: $context = 'syllabus';
1557: }
1558: }
1559: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1560: my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
1561: my %textarea_args = (
1562: fullpage => 'true',
1563: dragmath => 'math',
1564: );
1565: $initialize .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1566: if ($context eq 'syllabus') {
1567: $init_dragmath = "editmath_visibility('filecont','none')";
1568: }
1569: }
1.514 raeburn 1570: }
1571: $initialize .= (<<FULLPAGE);
1.321 www 1572: <script type="text/javascript">
1.514 raeburn 1573: // <![CDATA[
1.321 www 1574: function initDocument() {
1.463 albertel 1575: resize_textarea('$textarea_id','LC_aftertextarea');
1.548 raeburn 1576: $init_dragmath
1.321 www 1577: }
1.514 raeburn 1578: // ]]>
1.321 www 1579: </script>
1580: FULLPAGE
1.540 raeburn 1581: my $textareaclass;
1.514 raeburn 1582: if ($filetype eq 'html') {
1.548 raeburn 1583: if ($context eq 'syllabus') {
1584: $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
1585: $initialize .=
1586: &Apache::lonhtmlcommon::dependencycheck_js(undef,&mt('Syllabus'),
1587: $uri,undef,
1588: "/public/$cdom/$cnum/syllabus").
1589: "\n";
1590: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1591: $textareaclass = 'class="LC_richDefaultOn"';
1.539 raeburn 1592: }
1.548 raeburn 1593: } elsif ($symb || $folderpath) {
1594: $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
1.572 raeburn 1595: $initialize .=
1.548 raeburn 1596: &Apache::lonhtmlcommon::dependencycheck_js($symb,$itemtitle,
1597: undef,$folderpath,$uri)."\n";
1.530 raeburn 1598: }
1.514 raeburn 1599: $dragmath_button = '<span id="math_filecont">'.&Apache::lonhtmlcommon::dragmath_button('filecont',1).'</span>';
1600: $initialize .= "\n".&Apache::lonhtmlcommon::dragmath_js('EditMathPopup');
1.512 raeburn 1601: }
1.456 albertel 1602: $add_to_onload = 'initDocument();';
1603: $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
1604:
1605: if ($filetype eq 'html') {
1.547 raeburn 1606: my $not_author;
1607: if ($uri =~ m{^/uploaded/}) {
1608: $not_author = 1;
1609: }
1610: $xml_help=&Apache::loncommon::helpLatexCheatsheet(undef,undef,$not_author);
1.274 albertel 1611: }
1.452 albertel 1612:
1.254 albertel 1613: my $titledisplay=&display_title();
1.426 banghart 1614: my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
1615: 'vi' => 'Save and View',
1.427 banghart 1616: 'dv' => 'Discard Edits and View',
1.567 raeburn 1617: 'un' => 'Undo',
1618: 'ed' => 'Edit',
1.575 raeburn 1619: 'ew' => 'Edit with Daxe',
1620: 'er' => 'Editor');
1.512 raeburn 1621: my $spelllink = &Apache::lonhtmlcommon::spelllink('xmledit','filecont');
1.451 albertel 1622: my $textarea_events = &Apache::edit::element_change_detection();
1623: my $form_events = &Apache::edit::form_change_detection();
1.491 raeburn 1624: my $htmlerror;
1625: if ($filetype eq 'html') {
1626: $htmlerror=&verify_html($filecontents);
1627: if ($htmlerror) {
1.568 raeburn 1628: $htmlerror=(' 'x3).' <span class="LC_error">'.$htmlerror.'</span>';
1.491 raeburn 1629: }
1.501 raeburn 1630: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.540 raeburn 1631: unless ($textareaclass) {
1632: $textareaclass = 'class="LC_richDefaultOff"';
1633: }
1.501 raeburn 1634: }
1.472 www 1635: }
1.567 raeburn 1636: my ($undo,$daxebutton,%onclick);
1637: foreach my $item ('discard','undo','daxe') {
1.566 raeburn 1638: $onclick{$item} = 'onclick="still_ask=true;setmode(this.form,'."'$item'".')"';
1639: }
1640: foreach my $item ('saveedit','saveview') {
1641: $onclick{$item} = 'onclick="is_submit=true;setmode(this.form,'."'$item'".')"';
1642: }
1.547 raeburn 1643: unless ($uri =~ m{^/uploaded/}) {
1.573 raeburn 1644: $undo = '<input type="button" name="undo" accesskey="u" value="'.$lt{'un'}.'" '.
1.566 raeburn 1645: $onclick{'undo'}.' />'."\n";
1.547 raeburn 1646: }
1.566 raeburn 1647: $initialize .= &setmode_javascript();
1.567 raeburn 1648: if ($filetype eq 'html') {
1.574 raeburn 1649: my %editors = &Apache::loncommon::permitted_editors($uri);
1.567 raeburn 1650: if ($editors{'daxe'}) {
1651: $daxebutton = '<input type="button" name="editwithdaxe" accesskey="w" value="'.$lt{'ew'}.'" '.
1652: $onclick{'daxe'}.' />'."\n";
1653: }
1654: }
1.78 www 1655: my $editfooter=(<<ENDFOOTER);
1.321 www 1656: $initialize
1.78 www 1657: <a name="editsection" />
1.543 raeburn 1658: <form $form_events method="post" name="xmledit" action="$action">
1.566 raeburn 1659: <input type="hidden" name="problemmode" value="edit" />
1.470 albertel 1660: <div class="LC_edit_problem_editxml_header">
1661: <table class="LC_edit_problem_header_title"><tr><td>
1662: $filename
1663: </td><td align="right">
1664: $xml_help
1665: </td></tr>
1666: </table>
1.565 raeburn 1667: <div style="float:right">
1.566 raeburn 1668: <input type="button" name="savethisfile" accesskey="s" value="$lt{'st'}" $onclick{'saveedit'} />
1669: <input type="button" name="viewmode" accesskey="v" value="$lt{'vi'}" $onclick{'saveview'} />
1.565 raeburn 1670: </div>
1.554 droeschl 1671: <div>
1.566 raeburn 1672: <input type="button" name="discardview" accesskey="d" value="$lt{'dv'}" $onclick{'discard'} />
1.568 raeburn 1673: $undo $deps_button $daxebutton $dragmath_button $htmlerror
1.470 albertel 1674: </div>
1675: </div>
1.575 raeburn 1676: <textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont" $textareaclass>$filecontents</textarea><br /><label for="filecont" class="LC_visually_hidden">$lt{'er'}</label>$spelllink
1.470 albertel 1677: <div id="LC_aftertextarea">
1678: <br />
1679: $titledisplay
1680: </div>
1.78 www 1681: </form>
1682: ENDFOOTER
1.566 raeburn 1683: return ($editfooter,$add_to_onload,$add_to_onresize);
1.78 www 1684: }
1685:
1.563 raeburn 1686: sub setmode_javascript {
1687: return <<"ENDSCRIPT";
1688: <script type="text/javascript">
1689: // <![CDATA[
1690: function setmode(form,probmode) {
1691: if (probmode == 'daxe') {
1692: var url = new URL(document.location.href);
1693: window.location = url.protocol+'//'+url.hostname+'/daxepage'+url.pathname;
1694: } else {
1695: var initial = form.problemmode.value;
1696: form.problemmode.value = probmode;
1697: form.submit();
1698: form.problemmode.value = initial;
1699: }
1700: }
1701: // ]]>
1702: </script>
1703: ENDSCRIPT
1704: }
1705:
1.564 raeburn 1706: sub seteditor_javascript {
1.570 raeburn 1707: my ($is_course_doc,$is_supp,$supp_path,$supp_title) = @_;
1708: my $symb;
1709: if ($is_course_doc) {
1710: if (!$is_supp) {
1711: ($symb) = &Apache::lonnet::whichuser();
1712: if ($symb) {
1713: $symb = &escape($symb);
1714: }
1715: }
1716: }
1.564 raeburn 1717: return <<"ENDSCRIPT";
1718: <script type="text/javascript">
1719: // <![CDATA[
1720: function seteditmode(form,editor) {
1.570 raeburn 1721: var querystr = '';
1722: var supplemental = '$is_supp';
1723: var coursedoc = '$is_course_doc';
1724: if (coursedoc) {
1725: if (supplemental) {
1726: var supppath = '$supp_path';
1727: var supptitle = '$supp_title';
1728: if (supppath) {
1729: querystr = 'folderpath='+supppath;
1730: }
1731: if (supptitle) {
1732: if (querystr) {
1733: querystr += '&';
1734: }
1735: querystr += 'title='+supptitle;
1736: }
1737: }
1738: }
1.564 raeburn 1739: if (editor == 'daxe') {
1740: var url = new URL(document.location.href);
1.570 raeburn 1741: var newloc = url.protocol+'//'+url.hostname+'/daxepage'+url.pathname;
1742: if (querystr) {
1743: if (/\\?/.test(url.pathname)) {
1744: newloc += '&';
1745: } else {
1746: newloc += '?';
1747: }
1748: newloc += querystr;
1749: }
1750: window.location = newloc;
1.564 raeburn 1751: } else {
1.570 raeburn 1752: if (coursedoc) {
1.571 raeburn 1753: var curraction = form.action;
1754: var idx = curraction.indexOf('?');
1755: if (idx !== -1) {
1756: form.action = curraction.substring(0,idx);
1.570 raeburn 1757: }
1.571 raeburn 1758: form.action += '?forceedit=1®ister=1';
1.570 raeburn 1759: if (querystr) {
1760: form.action += '&'+querystr;
1761: }
1762: }
1.569 raeburn 1763: if (editor == 'edit') {
1764: form.editmode.value = editor;
1765: } else {
1766: form.editmode.value = '';
1767: }
1.564 raeburn 1768: form.submit();
1769: }
1770: }
1771: // ]]>
1772: </script>
1773: ENDSCRIPT
1774: }
1775:
1.152 albertel 1776: sub get_target {
1.372 albertel 1777: my $viewgrades=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
1778: if ( $env{'request.state'} eq 'published') {
1779: if ( defined($env{'form.grade_target'})
1.152 albertel 1780: && ($viewgrades == 'F' )) {
1.372 albertel 1781: return ($env{'form.grade_target'});
1782: } elsif (defined($env{'form.grade_target'})) {
1783: if (($env{'form.grade_target'} eq 'web') ||
1784: ($env{'form.grade_target'} eq 'tex') ) {
1785: return $env{'form.grade_target'}
1.153 albertel 1786: } else {
1787: return 'web';
1788: }
1.152 albertel 1789: } else {
1790: return 'web';
1791: }
1.372 albertel 1792: } elsif ($env{'request.state'} eq 'construct') {
1793: if ( defined($env{'form.grade_target'})) {
1794: return ($env{'form.grade_target'});
1.152 albertel 1795: } else {
1796: return 'web';
1797: }
1798: } else {
1799: return 'web';
1800: }
1801: }
1802:
1.24 sakharuk 1803: sub handler {
1.255 sakharuk 1804: my $request=shift;
1.493 raeburn 1805:
1.255 sakharuk 1806: my $target=&get_target();
1.372 albertel 1807: $Apache::lonxml::debug=$env{'user.debug'};
1.572 raeburn 1808:
1.364 albertel 1809: &Apache::loncommon::content_type($request,'text/html');
1.255 sakharuk 1810: &Apache::loncommon::no_cache($request);
1.372 albertel 1811: if ($env{'request.state'} eq 'published') {
1.363 albertel 1812: $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
1813: 'lastrevisiondate'));
1814: }
1.499 raeburn 1815: # Embedded Flash movies from Camtasia served from https will not display in IE
1.572 raeburn 1816: # if XML config file has expired from cache.
1.499 raeburn 1817: if ($ENV{'SERVER_PORT'} == 443) {
1818: if ($request->uri =~ /\.xml$/) {
1819: my ($httpbrowser,$clientbrowser) =
1820: &Apache::loncommon::decode_user_agent($request);
1821: if ($clientbrowser =~ /^explorer$/i) {
1822: delete $request->headers_out->{'Cache-control'};
1823: delete $request->headers_out->{'Pragma'};
1824: my $expiration = time + 60;
1825: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime($expiration));
1826: $request->headers_out->set("Expires" => $date);
1827: }
1828: }
1829: }
1.255 sakharuk 1830: $request->send_http_header;
1.572 raeburn 1831:
1.255 sakharuk 1832: return OK if $request->header_only;
1.68 www 1833:
1834:
1.255 sakharuk 1835: my $file=&Apache::lonnet::filelocation("",$request->uri);
1.502 raeburn 1836: my ($filetype,$breadcrumbtext);
1837: if ($file =~ /\.(sty|css|js|txt|tex)$/) {
1.493 raeburn 1838: $filetype=$1;
1.274 albertel 1839: } else {
1840: $filetype='html';
1.537 raeburn 1841: }
1842: unless ($env{'request.uri'}) {
1.536 raeburn 1843: $env{'request.uri'}=$request->uri;
1.537 raeburn 1844: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1845: ['todocs']);
1.274 albertel 1846: }
1.540 raeburn 1847: my ($cdom,$cnum);
1848: if ($env{'request.course.id'}) {
1849: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1850: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1851: if ($filetype eq 'html') {
1852: if ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E.+$}) {
1853: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1854: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1855: ['editmode']);
1856: }
1857: }
1858: }
1859: }
1.502 raeburn 1860: if ($filetype eq 'sty') {
1861: $breadcrumbtext = 'Style File Editor';
1862: } elsif ($filetype eq 'js') {
1863: $breadcrumbtext = 'Javascript Editor';
1864: } elsif ($filetype eq 'css') {
1865: $breadcrumbtext = 'CSS Editor';
1866: } elsif ($filetype eq 'txt') {
1867: $breadcrumbtext = 'Text Editor';
1868: } elsif ($filetype eq 'tex') {
1869: $breadcrumbtext = 'TeX Editor';
1870: } else {
1871: $breadcrumbtext = 'HTML Editor';
1872: }
1.493 raeburn 1873:
1.78 www 1874: #
1875: # Edit action? Save file.
1876: #
1.428 banghart 1877: if (!($env{'request.state'} eq 'published')) {
1.566 raeburn 1878: if (($env{'form.problemmode'} eq 'saveedit') ||
1879: ($env{'form.problemmode'} eq 'saveview') ||
1880: ($env{'form.problemmode'} eq 'undo')) {
1.429 albertel 1881: my $html_file=&Apache::lonnet::getfile($file);
1882: my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});
1.566 raeburn 1883: if ($env{'form.problemmode'} eq 'saveedit') {
1884: $env{'form.editmode'}='edit'; #force edit mode
1.472 www 1885: }
1.255 sakharuk 1886: }
1887: }
1.549 raeburn 1888: my $inhibit_menu;
1.255 sakharuk 1889: my %mystyle;
1890: my $result = '';
1891: my $filecontents=&Apache::lonnet::getfile($file);
1892: if ($filecontents eq -1) {
1.402 albertel 1893: my $start_page=&Apache::loncommon::start_page('File Error');
1.412 albertel 1894: my $end_page=&Apache::loncommon::end_page();
1.495 bisitz 1895: my $errormsg='<p class="LC_error">'
1896: .&mt('File not found: [_1]'
1897: ,'<span class="LC_filename">'.$file.'</span>')
1898: .'</p>';
1.255 sakharuk 1899: $result=(<<ENDNOTFOUND);
1.402 albertel 1900: $start_page
1.495 bisitz 1901: $errormsg
1.402 albertel 1902: $end_page
1.78 www 1903: ENDNOTFOUND
1.343 albertel 1904: $filecontents='';
1.372 albertel 1905: if ($env{'request.state'} ne 'published') {
1.274 albertel 1906: if ($filetype eq 'sty') {
1907: $filecontents=&createnewsty();
1.493 raeburn 1908: } elsif ($filetype eq 'js') {
1909: $filecontents=&createnewjs();
1.502 raeburn 1910: } elsif ($filetype ne 'css' && $filetype ne 'txt' && $filetype ne 'tex') {
1.274 albertel 1911: $filecontents=&createnewhtml();
1912: }
1.566 raeburn 1913: $env{'form.editmode'}='edit'; #force edit mode
1.255 sakharuk 1914: }
1915: } else {
1.372 albertel 1916: unless ($env{'request.state'} eq 'published') {
1.343 albertel 1917: if ($filecontents=~/BEGIN LON-CAPA Internal/) {
1.381 www 1918: &Apache::lonxml::error(&mt('This file appears to be a rendering of a LON-CAPA resource. If this is correct, this resource will act very oddly and incorrectly.'));
1.343 albertel 1919: }
1.264 www 1920: #
1921: # we are in construction space, see if edit mode forced
1.385 albertel 1922: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1923: ['editmode']);
1.255 sakharuk 1924: }
1.566 raeburn 1925: if ((!$env{'form.editmode'}) ||
1926: ($env{'form.problemmode'} eq 'saveview') ||
1927: ($env{'form.problemmode'} eq 'discard')) {
1.493 raeburn 1928: if ($filetype eq 'html' || $filetype eq 'sty') {
1929: &Apache::structuretags::reset_problem_globals();
1930: $result = &Apache::lonxml::xmlparse($request,$target,
1931: $filecontents,'',%mystyle);
1.455 albertel 1932: # .html files may contain <problem> or <Task> need to clean
1933: # up if it did
1.493 raeburn 1934: &Apache::structuretags::reset_problem_globals();
1935: &Apache::lonhomework::finished_parsing();
1.502 raeburn 1936: } elsif ($filetype eq 'tex') {
1.503 raeburn 1937: $result = &Apache::lontexconvert::converted(\$filecontents,
1938: $env{'form.texengine'});
1939: if ($env{'form.return_only_error_and_warning_counts'}) {
1940: $result = "$errorcount:$warningcount";
1941: }
1.493 raeburn 1942: } else {
1943: $result = $filecontents;
1944: }
1.385 albertel 1945: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1946: ['rawmode']);
1.395 albertel 1947: if ($env{'form.rawmode'}) { $result = $filecontents; }
1.549 raeburn 1948: if (($env{'request.state'} eq 'construct') &&
1949: (($filetype eq 'css') || ($filetype eq 'js')) && ($ENV{'HTTP_REFERER'})) {
1950: if ($ENV{'HTTP_REFERER'} =~ m{^https?\://[^\/]+/priv/$LONCAPA::match_domain/$LONCAPA::match_username/[^\?]+\.(x?html?|swf)(|\?)[^\?]*$}) {
1951: $inhibit_menu = 1;
1952: }
1953: }
1.572 raeburn 1954: if (($filetype ne 'html') &&
1.549 raeburn 1955: (!$env{'form.return_only_error_and_warning_counts'}) &&
1956: (!$inhibit_menu)) {
1.502 raeburn 1957: my $nochgview = 1;
1.495 bisitz 1958: my $controls = '';
1959: if ($env{'request.state'} eq 'construct') {
1960: $controls = &Apache::loncommon::head_subbox(
1961: &Apache::loncommon::CSTR_pageheader()
1962: .&Apache::londefdef::edit_controls($nochgview));
1963: }
1.502 raeburn 1964: if ($filetype ne 'sty' && $filetype ne 'tex') {
1.493 raeburn 1965: $result =~ s/</</g;
1966: $result =~ s/>/>/g;
1967: $result = '<table class="LC_sty_begin">'.
1968: '<tr><td><b><pre>'.$result.
1969: '</pre></b></td></tr></table>';
1970: }
1.506 droeschl 1971: my $brcrum;
1972: if ($env{'request.state'} eq 'construct') {
1.561 raeburn 1973: my $text = 'Authoring Space';
1974: my $href = &Apache::loncommon::authorspace($request->uri);
1975: if ($env{'request.course.id'}) {
1976: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1977: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1978: if ($href eq "/priv/$cdom/$cnum/") {
1979: $text = 'Course Authoring Space';
1980: }
1981: }
1982: $brcrum = [{'href' => $href,
1.562 raeburn 1983: 'text' => $text,},
1.506 droeschl 1984: {'href' => '',
1985: 'text' => $breadcrumbtext}];
1.493 raeburn 1986: } else {
1.506 droeschl 1987: $brcrum = ''; # FIXME: Where are we?
1.493 raeburn 1988: }
1.506 droeschl 1989: my %options = ('bread_crumbs' => $brcrum,
1990: 'bgcolor' => '#FFFFFF');
1991: $result =
1992: &Apache::loncommon::start_page(undef,undef,\%options)
1993: .$controls
1994: .$result
1995: .&Apache::loncommon::end_page();
1.493 raeburn 1996: }
1.495 bisitz 1997: }
1.147 albertel 1998: }
1.456 albertel 1999:
1.78 www 2000: #
2001: # Edit action? Insert editing commands
2002: #
1.549 raeburn 2003: unless (($env{'request.state'} eq 'published') || ($inhibit_menu)) {
1.566 raeburn 2004: if (($env{'form.editmode'}) &&
2005: (!($env{'form.problemmode'} eq 'saveview')) &&
2006: (!($env{'form.problemmode'} eq 'discard'))) {
1.543 raeburn 2007: my ($displayfile,$url,$symb,$itemtitle,$action);
1.530 raeburn 2008: $displayfile=$request->uri;
2009: if ($request->uri =~ m{^/uploaded/}) {
1.534 raeburn 2010: if ($env{'request.course.id'}) {
1.571 raeburn 2011: if ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/\E(docs|supplemental)/}) {
1.572 raeburn 2012: if ($1 eq 'supplemental') {
1.571 raeburn 2013: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2014: ['folderpath','title']);
2015: }
1.570 raeburn 2016: if (($env{'request.state'} eq 'edit') && ($env{'form.editmode'} eq 'edit') &&
2017: ($filetype eq 'html')) {
2018: &Apache::lonhtmlcommon::clear_breadcrumbs();
2019: }
1.539 raeburn 2020: } elsif ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1.540 raeburn 2021: my $filename = $1;
2022: if ($1 eq 'loncapa.html') {
2023: $displayfile = &mt('Syllabus (minimal template)');
1.543 raeburn 2024: $action = $request->uri.'?forceedit=1';
1.540 raeburn 2025: } else {
2026: $displayfile = &mt('Syllabus file: [_1]',$1);
2027: }
1.539 raeburn 2028: $itemtitle = &mt('Syllabus');
1.534 raeburn 2029: }
2030: }
1.539 raeburn 2031: unless ($itemtitle) {
1.572 raeburn 2032: ($symb,$itemtitle,$displayfile) =
1.539 raeburn 2033: &get_courseupload_hierarchy($request->uri,
2034: $env{'form.folderpath'},
2035: $env{'form.title'});
2036: }
1.529 raeburn 2037: } else {
2038: $displayfile=~s/^\/[^\/]*//;
2039: }
1.470 albertel 2040:
1.452 albertel 2041: my ($edit_info, $add_to_onload, $add_to_onresize)=
1.534 raeburn 2042: &inserteditinfo($filecontents,$filetype,$displayfile,$symb,
1.543 raeburn 2043: $itemtitle,$env{'form.folderpath'},$request->uri,$action);
1.450 albertel 2044:
1.572 raeburn 2045: my %options =
1.450 albertel 2046: ('add_entries' =>
1.495 bisitz 2047: {'onresize' => $add_to_onresize,
2048: 'onload' => $add_to_onload, });
1.500 raeburn 2049: my $header;
2050: if ($env{'request.state'} eq 'construct') {
1.561 raeburn 2051: my $text = 'Authoring Space';
2052: my $href = &Apache::loncommon::authorspace($request->uri);
2053: if ($env{'request.course.id'}) {
2054: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2055: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2056: if ($href eq "/priv/$cdom/$cnum/") {
2057: $text = 'Course Authoring Space';
2058: }
2059: }
1.500 raeburn 2060: $options{'bread_crumbs'} = [{
1.561 raeburn 2061: 'href' => $href,
2062: 'text' => $text},
1.500 raeburn 2063: {'href' => '',
1.502 raeburn 2064: 'text' => $breadcrumbtext}];
1.500 raeburn 2065: $header = &Apache::loncommon::head_subbox(
2066: &Apache::loncommon::CSTR_pageheader());
2067: }
1.452 albertel 2068: my $js =
2069: &Apache::edit::js_change_detection().
2070: &Apache::loncommon::resize_textarea_js();
1.451 albertel 2071: my $start_page = &Apache::loncommon::start_page(undef,$js,
1.402 albertel 2072: \%options);
1.495 bisitz 2073: $result = $start_page
1.500 raeburn 2074: .$header
1.495 bisitz 2075: .&Apache::lonxml::message_location()
2076: .$edit_info
2077: .&Apache::loncommon::end_page();
1.493 raeburn 2078: }
1.147 albertel 2079: }
1.402 albertel 2080: if ($filetype eq 'html') { &writeallows($request->uri); }
1.501 raeburn 2081:
1.309 albertel 2082: &Apache::lonxml::add_messages(\$result);
1.255 sakharuk 2083: $request->print($result);
1.572 raeburn 2084:
1.255 sakharuk 2085: return OK;
1.253 albertel 2086: }
2087:
2088: sub display_title {
2089: my $result;
1.372 albertel 2090: if ($env{'request.state'} eq 'construct') {
1.253 albertel 2091: my $title=&Apache::lonnet::gettitle();
2092: if (!defined($title) || $title eq '') {
1.372 albertel 2093: $title = $env{'request.filename'};
1.253 albertel 2094: $title = substr($title, rindex($title, '/') + 1);
2095: }
1.476 bisitz 2096: $result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA "
1.541 raeburn 2097: .&mt('Authoring Space')."';</script>";
1.253 albertel 2098: }
2099: return $result;
1.24 sakharuk 2100: }
1.147 albertel 2101:
1.530 raeburn 2102: sub get_courseupload_hierarchy {
1.534 raeburn 2103: my ($url,$folderpath,$title) = @_;
1.530 raeburn 2104: my ($symb,$itemtitle,$displaypath);
2105: if ($env{'request.course.id'}) {
1.534 raeburn 2106: if ($folderpath =~ /^supplemental/) {
2107: my @folders = split(/\&/,$folderpath);
2108: my @pathitems;
2109: while (@folders) {
2110: my $folder=shift(@folders);
2111: my $foldername=shift(@folders);
1.538 raeburn 2112: $foldername =~ s/\:(\d*)\:(\w*)\:(\w*):(\d*)\:?(\d*)$//;
1.534 raeburn 2113: push(@pathitems,&unescape($foldername));
2114: }
2115: if ($title) {
2116: push(@pathitems,&unescape($title));
1.570 raeburn 2117: $itemtitle = $title;
1.534 raeburn 2118: }
2119: $displaypath = join(' » ',@pathitems);
2120: } else {
2121: $symb = &Apache::lonnet::symbread($url);
2122: my ($map,$id,$res)=&Apache::lonnet::decode_symb($symb);
2123: my $navmap=Apache::lonnavmaps::navmap->new;
2124: if (ref($navmap)) {
2125: my $res = $navmap->getBySymb($symb);
2126: if (ref($res)) {
2127: my @pathitems =
2128: &Apache::loncommon::get_folder_hierarchy($navmap,$map,1);
2129: $itemtitle = $res->compTitle();
2130: push(@pathitems,$itemtitle);
2131: $displaypath = join(' » ',@pathitems);
2132: }
1.530 raeburn 2133: }
2134: }
2135: }
2136: return ($symb,$itemtitle,$displaypath);
2137: }
2138:
1.22 albertel 2139: sub debug {
1.298 albertel 2140: if ($Apache::lonxml::debug eq "1") {
2141: $|=1;
1.300 albertel 2142: my $request=$Apache::lonxml::request;
1.388 albertel 2143: if (!$request) {
2144: eval { $request=Apache->request; };
2145: }
2146: if (!$request) {
2147: eval { $request=Apache2::RequestUtil->request; };
2148: }
1.314 albertel 2149: $request->print('<font size="-2"><pre>DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."</pre></font>\n");
1.346 albertel 2150: #&Apache::lonnet::logthis($_[0]);
1.298 albertel 2151: }
1.22 albertel 2152: }
1.49 albertel 2153:
1.348 albertel 2154: sub show_error_warn_msg {
1.572 raeburn 2155: if (($env{'request.filename'} eq
1.522 raeburn 2156: $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/lib/templates/simpleproblem.problem') &&
2157: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.351 albertel 2158: return 1;
2159: }
1.348 albertel 2160: return (($Apache::lonxml::debug eq 1) ||
1.372 albertel 2161: ($env{'request.state'} eq 'construct') ||
1.348 albertel 2162: ($Apache::lonhomework::browse eq 'F'
2163: &&
1.372 albertel 2164: $env{'form.show_errors'} eq 'on'));
1.348 albertel 2165: }
2166:
1.22 albertel 2167: sub error {
1.454 albertel 2168: my @errors = @_;
2169:
1.336 albertel 2170: $errorcount++;
1.454 albertel 2171:
1.490 www 2172: $Apache::lonxml::internal_error=1;
2173:
1.454 albertel 2174: if (defined($Apache::inputtags::part)) {
2175: if ( @Apache::inputtags::response ) {
2176: push(@errors,
2177: &mt("This error occurred while processing response [_1] in part [_2]",
2178: $Apache::inputtags::response[-1],
2179: $Apache::inputtags::part));
2180: } else {
2181: push(@errors,
2182: &mt("This error occurred while processing part [_1]",
2183: $Apache::inputtags::part));
2184: }
2185: }
2186:
1.348 albertel 2187: if ( &show_error_warn_msg() ) {
1.336 albertel 2188: # If printing in construction space, put the error inside <pre></pre>
2189: push(@Apache::lonxml::error_messages,
1.484 bisitz 2190: $Apache::lonxml::warnings_error_header
2191: .'<div class="LC_error">'
2192: .'<b>'.&mt('ERROR:').' </b>'.join("<br />\n",@errors)
2193: ."</div>\n");
1.336 albertel 2194: $Apache::lonxml::warnings_error_header='';
2195: } else {
2196: my $errormsg;
2197: my ($symb)=&Apache::lonnet::symbread();
2198: if ( !$symb ) {
2199: #public or browsers
1.486 bisitz 2200: $errormsg=&mt("An error occurred while processing this resource. The author has been notified.");
1.403 albertel 2201: }
1.413 albertel 2202: my $host=$Apache::lonnet::perlvar{'lonHostID'};
1.476 bisitz 2203: push(@errors,
2204: &mt("The error occurred on host [_1]",
2205: "<tt>$host</tt>"));
1.454 albertel 2206:
2207: my $msg = join('<br />', @errors);
2208:
1.336 albertel 2209: #notify author
1.403 albertel 2210: &Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);
1.336 albertel 2211: #notify course
1.372 albertel 2212: if ( $symb && $env{'request.course.id'} ) {
1.380 www 2213: my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
2214: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.440 albertel 2215: my (undef,%users)=&Apache::lonmsg::decide_receiver(undef,0,1,1,1);
1.372 albertel 2216: my $declutter=&Apache::lonnet::declutter($env{'request.filename'});
1.435 raeburn 2217: my $baseurl = &Apache::lonnet::clutter($declutter);
1.336 albertel 2218: my @userlist;
1.551 raeburn 2219: foreach (keys(%users)) {
1.336 albertel 2220: my ($user,$domain) = split(/:/, $_);
1.531 bisitz 2221: push(@userlist,"$user:$domain");
1.380 www 2222: my $key=$declutter.'_'.$user.'_'.$domain;
2223: my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications',
2224: [$key],
2225: $cdom,$cnum);
2226: my $now=time;
2227: if ($now-$lastnotified{$key}>86400) {
1.434 raeburn 2228: my $title = &Apache::lonnet::gettitle($symb);
2229: my $sentmessage;
1.380 www 2230: &Apache::lonmsg::user_normal_msg($user,$domain,
1.435 raeburn 2231: "Error [$title]",$msg,'',$baseurl,'','',
1.434 raeburn 2232: \$sentmessage,$symb,$title,1);
1.380 www 2233: &Apache::lonnet::put('nohist_xmlerrornotifications',
2234: {$key => $now},
2235: $cdom,$cnum);
2236: }
1.336 albertel 2237: }
1.372 albertel 2238: if ($env{'request.role.adv'}) {
1.486 bisitz 2239: $errormsg=&mt("An error occurred while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist));
1.336 albertel 2240: } else {
1.486 bisitz 2241: $errormsg=&mt("An error occurred while processing this resource. The instructor has been notified.");
1.336 albertel 2242: }
2243: }
1.531 bisitz 2244: push(@Apache::lonxml::error_messages,"<span class=\"LC_warning\">$errormsg</span><br />");
1.52 albertel 2245: }
1.22 albertel 2246: }
1.49 albertel 2247:
1.22 albertel 2248: sub warning {
1.295 albertel 2249: $warningcount++;
1.572 raeburn 2250:
1.372 albertel 2251: if ($env{'form.grade_target'} ne 'tex') {
1.348 albertel 2252: if ( &show_error_warn_msg() ) {
1.309 albertel 2253: push(@Apache::lonxml::warning_messages,
1.484 bisitz 2254: $Apache::lonxml::warnings_error_header
2255: .'<div class="LC_warning">'
2256: .&mt('[_1]W[_2]ARNING','<b>','</b>')."<b>:</b> ".join('<br />',@_)
2257: ."</div>\n"
1.482 bisitz 2258: );
1.295 albertel 2259: $Apache::lonxml::warnings_error_header='';
2260: }
2261: }
1.309 albertel 2262: }
2263:
2264: sub info {
1.572 raeburn 2265: if ($env{'form.grade_target'} ne 'tex'
1.372 albertel 2266: && $env{'request.state'} eq 'construct') {
1.309 albertel 2267: push(@Apache::lonxml::info_messages,join('<br />',@_)."<br />\n");
2268: }
2269: }
2270:
2271: sub message_location {
2272: return '__LONCAPA_INTERNAL_MESSAGE_LOCATION__';
2273: }
2274:
2275: sub add_messages {
2276: my ($msg)=@_;
2277: my $result=join(' ',
2278: @Apache::lonxml::info_messages,
2279: @Apache::lonxml::error_messages,
2280: @Apache::lonxml::warning_messages);
2281: undef(@Apache::lonxml::info_messages);
2282: undef(@Apache::lonxml::error_messages);
2283: undef(@Apache::lonxml::warning_messages);
2284: $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__/$result/;
2285: $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__//g;
1.83 albertel 2286: }
2287:
2288: sub get_param {
1.535 foxr 2289: my ($param,$parstack,$safeeval,$context,$case_insensitive, $noelide) = @_;
2290:
1.213 albertel 2291: if ( ! $context ) { $context = -1; }
2292: my $args ='';
2293: if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
1.297 sakharuk 2294: if ( ! $Apache::lonxml::usestyle ) {
2295: $args=$Apache::lonxml::style_values.$args;
2296: }
1.535 foxr 2297:
2298:
2299: if ($noelide) {
2300: # $args =~ s/\\'/'/g;
2301: $args =~ s/'\$/'\\\$/g;
2302: }
2303:
1.213 albertel 2304: if ( ! $args ) { return undef; }
2305: if ( $case_insensitive ) {
1.417 albertel 2306: if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) {
1.535 foxr 2307:
1.213 albertel 2308: return &Apache::run::run("{$args;".'return $'.$param.'}',
2309: $safeeval); #'
2310: } else {
2311: return undef;
2312: }
2313: } else {
1.417 albertel 2314: if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) {
1.572 raeburn 2315:
1.213 albertel 2316: return &Apache::run::run("{$args;".'return $'.$param.'}',
2317: $safeeval); #'
2318: } else {
2319: return undef;
2320: }
2321: }
1.22 albertel 2322: }
2323:
1.132 albertel 2324: sub get_param_var {
1.213 albertel 2325: my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_;
1.132 albertel 2326: if ( ! $context ) { $context = -1; }
2327: my $args ='';
2328: if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
1.297 sakharuk 2329: if ( ! $Apache::lonxml::usestyle ) {
2330: $args=$Apache::lonxml::style_values.$args;
2331: }
1.230 albertel 2332: &Apache::lonxml::debug("Args are $args param is $param");
1.213 albertel 2333: if ($case_insensitive) {
1.419 albertel 2334: if (! ($args=~s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei)) {
1.213 albertel 2335: return undef;
2336: }
1.419 albertel 2337: } elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; }
1.132 albertel 2338: my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
1.230 albertel 2339: &Apache::lonxml::debug("first run is $value");
1.341 albertel 2340: if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {
1.230 albertel 2341: &Apache::lonxml::debug("doing second");
2342: my @result=&Apache::run::run("return $value",$safeeval,1);
2343: if (!defined($result[0])) {
2344: return $value
2345: } else {
2346: if (wantarray) { return @result; } else { return $result[0]; }
2347: }
1.132 albertel 2348: } else {
2349: return $value;
2350: }
2351: }
2352:
1.438 albertel 2353: sub register_insert_xml {
2354: my $parser = HTML::LCParser->new($Apache::lonnet::perlvar{'lonTabDir'}
2355: .'/insertlist.xml');
2356: my ($tagnum,$in_help)=(0,0);
1.442 albertel 2357: my @alltags;
1.438 albertel 2358: my $tag;
2359: while (my $token = $parser->get_token()) {
2360: if ($token->[0] eq 'S') {
2361: my $key;
1.525 raeburn 2362: if ($token->[1] eq 'tag') {
1.438 albertel 2363: $tag = $token->[2]{'name'};
1.525 raeburn 2364: if (defined($tag)) {
2365: $insertlist{$tagnum.'.tag'} = $tag;
2366: $insertlist{$tag.'.num'} = $tagnum;
2367: push(@alltags,$tag);
2368: }
1.438 albertel 2369: } elsif ($in_help && $token->[1] eq 'file') {
2370: $key = $tag.'.helpfile';
2371: } elsif ($in_help && $token->[1] eq 'description') {
2372: $key = $tag.'.helpdesc';
2373: } elsif ($token->[1] eq 'description' ||
2374: $token->[1] eq 'color' ||
2375: $token->[1] eq 'show' ) {
2376: $key = $tag.'.'.$token->[1];
2377: } elsif ($token->[1] eq 'insert_sub') {
2378: $key = $tag.'.function';
2379: } elsif ($token->[1] eq 'help') {
2380: $in_help=1;
2381: } elsif ($token->[1] eq 'allow') {
1.442 albertel 2382: $key = $tag.'.allow';
1.438 albertel 2383: }
2384: if (defined($key)) {
2385: $insertlist{$key} = $parser->get_text();
2386: $insertlist{$key} =~ s/(^\s*|\s*$ )//gx;
2387: }
2388: } elsif ($token->[0] eq 'E') {
2389: if ($token->[1] eq 'tag') {
2390: undef($tag);
2391: $tagnum++;
2392: } elsif ($token->[1] eq 'help') {
2393: undef($in_help);
2394: }
2395: }
2396: }
1.572 raeburn 2397:
1.442 albertel 2398: # parse the allows and ignore tags set to <show>no</show>
2399: foreach my $tag (@alltags) {
1.519 raeburn 2400: next if (!exists($insertlist{$tag.'.allow'}));
2401: my $allow = $insertlist{$tag.'.allow'};
1.442 albertel 2402: foreach my $element (split(',',$allow)) {
2403: $element =~ s/(^\s*|\s*$ )//gx;
1.519 raeburn 2404: if (!exists($insertlist{$element.'.show'})
2405: || $insertlist{$element.'.show'} ne 'no') {
1.442 albertel 2406: push(@{ $insertlist{$tag.'.which'} },$element);
2407: }
2408: }
2409: }
1.438 albertel 2410: }
2411:
2412: sub register_insert {
2413: return ®ister_insert_xml(@_);
2414: # &dump_insertlist('2');
2415: }
2416:
2417: sub dump_insertlist {
2418: my ($ext) = @_;
1.559 raeburn 2419: open(XML,">","/tmp/insertlist.xml.$ext");
1.438 albertel 2420: print XML ("<insertlist>");
2421: my $i=0;
2422:
2423: while (exists($insertlist{"$i.tag"})) {
2424: my $tag = $insertlist{"$i.tag"};
2425: print XML ("
2426: \t<tag name=\"$tag\">");
2427: if (defined($insertlist{"$tag.description"})) {
2428: print XML ("
2429: \t\t<description>".$insertlist{"$tag.description"}."</description>");
2430: }
2431: if (defined($insertlist{"$tag.color"})) {
2432: print XML ("
2433: \t\t<color>".$insertlist{"$tag.color"}."</color>");
2434: }
2435: if (defined($insertlist{"$tag.function"})) {
2436: print XML ("
2437: \t\t<insert_sub>".$insertlist{"$tag.function"}."</insert_sub>");
2438: }
2439: if (defined($insertlist{"$tag.show"})
2440: && $insertlist{"$tag.show"} ne 'yes') {
2441: print XML ("
2442: \t\t<show>".$insertlist{"$tag.show"}."</show>");
2443: }
2444: if (defined($insertlist{"$tag.helpfile"})) {
2445: print XML ("
2446: \t\t<help>
2447: \t\t\t<file>".$insertlist{"$tag.helpfile"}."</file>");
2448: if ($insertlist{"$tag.helpdesc"} ne '') {
2449: print XML ("
2450: \t\t\t<description>".$insertlist{"$tag.helpdesc"}."</description>");
2451: }
2452: print XML ("
2453: \t\t</help>");
2454: }
2455: if (defined($insertlist{"$tag.which"})) {
2456: print XML ("
2457: \t\t<allow>".join(',',sort(@{ $insertlist{"$tag.which"} }))."</allow>");
2458: }
2459: print XML ("
2460: \t</tag>");
2461: $i++;
2462: }
2463: print XML ("\n</insertlist>\n");
2464: close(XML);
2465: }
2466:
1.98 albertel 2467: sub description {
1.437 albertel 2468: my ($token)=@_;
2469: my $tag = &get_tag($token);
2470: return $insertlist{$tag.'.description'};
1.268 bowersj2 2471: }
2472:
2473: # Returns a list containing the help file, and the description
2474: sub helpinfo {
1.437 albertel 2475: my ($token)=@_;
2476: my $tag = &get_tag($token);
1.545 bisitz 2477: return ($insertlist{$tag.'.helpfile'}, &mt($insertlist{$tag.'.helpdesc'}));
1.437 albertel 2478: }
2479:
2480: sub get_tag {
2481: my ($token)=@_;
2482: my $tagnum;
2483: my $tag=$token->[1];
2484: foreach my $namespace (reverse(@Apache::lonxml::namespace)) {
2485: my $testtag = $namespace.'::'.$tag;
2486: $tagnum = $insertlist{"$testtag.num"};
2487: last if (defined($tagnum));
2488: }
2489: if (!defined($tagnum)) {
2490: $tagnum = $Apache::lonxml::insertlist{"$tag.num"};
2491: }
2492: return $insertlist{"$tagnum.tag"};
1.98 albertel 2493: }
1.123 albertel 2494:
1.485 onken 2495: ############################################################
2496: # PDF-FORM-METHODS
2497:
2498: =pod
2499:
1.508 onken 2500: =item &print_pdf_radiobutton(fieldname, value)
1.485 onken 2501:
1.508 onken 2502: Returns a latexline to generate a PDF-Form-Radiobutton.
1.572 raeburn 2503: Note: Radiobuttons with equal names are automaticly grouped
1.508 onken 2504: in a selection-group.
1.485 onken 2505:
1.508 onken 2506: $fieldname: PDF internalname of the radiobutton(group)
2507: $value: Value of radiobutton
1.485 onken 2508:
2509: =cut
2510: sub print_pdf_radiobutton {
1.508 onken 2511: my ($fieldname, $value) = @_;
2512: return '\radioButton[\symbolchoice{circle}]{'
2513: .$fieldname.'}{10bp}{10bp}{'.$value.'}';
1.485 onken 2514: }
2515:
2516:
2517: =pod
2518:
2519: =item &print_pdf_start_combobox(fieldname)
2520:
2521: Starts a latexline to generate a PDF-Form-Combobox with text.
2522:
2523: $fieldname: PDF internal name of the Combobox
2524:
2525: =cut
2526: sub print_pdf_start_combobox {
2527: my $result;
2528: my ($fieldName) = @_;
2529: $result .= '\begin{tabularx}{\textwidth}{p{2.5cm}X}'."\n";
1.572 raeburn 2530: $result .= '\comboBox[]{'.$fieldName.'}{2.3cm}{14bp}{'; #
1.485 onken 2531:
2532: return $result;
2533: }
2534:
2535:
2536: =pod
2537:
2538: =item &print_pdf_add_combobox_option(options)
2539:
2540: Generates a latexline to add Options to a PDF-Form-ComboBox.
2541:
2542: $option: PDF internal name of the Combobox-Option
2543:
2544: =cut
2545: sub print_pdf_add_combobox_option {
2546:
2547: my $result;
1.572 raeburn 2548: my ($option) = @_;
1.485 onken 2549:
2550: $result .= '('.$option.')';
1.572 raeburn 2551:
1.485 onken 2552: return $result;
2553: }
2554:
2555:
2556: =pod
2557:
2558: =item &print_pdf_end_combobox(text) {
2559:
2560: Returns latexcode to end a PDF-Form-Combobox with text.
2561:
2562: =cut
2563: sub print_pdf_end_combobox {
2564: my $result;
2565: my ($text) = @_;
2566:
2567: $result .= '}&'.$text."\\\\\n";
2568: $result .= '\end{tabularx}' . "\n";
2569: $result .= '\hspace{2mm}' . "\n";
2570: return $result;
2571: }
2572:
2573:
2574: =pod
2575:
2576: =item &print_pdf_hiddenField(fieldname, user, domain)
2577:
2578: Returns a latexline to generate a PDF-Form-hiddenField with userdata.
2579:
2580: $fieldname label for hiddentextfield
2581: $user: name of user
2582: $domain: domain of user
2583:
2584: =cut
2585: sub print_pdf_hiddenfield {
2586: my $result;
2587: my ($fieldname, $user, $domain) = @_;
2588:
2589: $result .= '\textField [\F{\FHidden}\F{-\FPrint}\V{'.$domain.'&'.$user.'}]{'.$fieldname.'}{0in}{0in}'."\n";
2590:
2591: return $result;
2592: }
2593:
1.1 sakharuk 2594: 1;
2595: __END__
1.68 www 2596:
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