1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # $Id: londefdef.pm,v 1.122 2003/03/18 15:32:15 albertel Exp $
5: #
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
30: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
31: # binary executable programs or libraries distributed by the
32: # Michigan State University (the "Licensee"), but any binaries so
33: # distributed are hereby licensed only for use in the context
34: # of a program or computational system for which the Licensee is the
35: # primary author or distributor, and which performs substantial
36: # additional tasks beyond the translation of (La)TeX into HTML.
37: # The C source of the Code may not be distributed by the Licensee
38: # to any other parties under any circumstances.
39: #
40: #
41: # last modified 06/26/00 by Alexander Sakharuk
42: # 11/6,11/30,02/01/01,5/4 Gerd Kortemeyer
43: # 01/18 Alex Sakharuk
44:
45: package Apache::londefdef;
46:
47: use Apache::lonnet();
48: use strict;
49: use Apache::lonxml();
50: use Apache::File();
51: use Image::Magick;
52: use Apache::lonmenu();
53: use Apache::lonmeta();
54:
55: BEGIN {
56:
57: &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr'));
58:
59: }
60:
61: #======================= TAG SUBROUTINES =====================
62: #-- <output>
63: sub start_output {
64: my ($target) = @_;
65: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
66: return '';
67: }
68: sub end_output {
69: my ($target) = @_;
70: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
71: return '';
72: }
73: #-- <m> tag
74: sub start_m {
75: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
76: my $currentstring = '';
77: if ($target eq 'web') {
78: $Apache::lonxml::prevent_entity_encode++;
79: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
80: $inside ='\\documentstyle{article}'.$inside;
81: &Apache::lonxml::debug("M is starting with:$inside:");
82: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
83: if ($eval eq 'on') {
84: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
85: #&Apache::lonxml::debug("M is evaulated to:$inside:");
86: }
87: $currentstring = &Apache::lontexconvert::converted(\$inside);
88: if ($Apache::lontexconvert::errorstring) {
89: &Apache::lonxml::warning("tth error: ".
90: $Apache::lontexconvert::errorstring);
91: $Apache::lontexconvert::errorstring='';
92: }
93: #&Apache::lonxml::debug("M is ends with:$currentstring:");
94: } elsif ($target eq 'tex') {
95: $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
96: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
97: } else {
98: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
99: }
100: return $currentstring;
101: }
102:
103: sub end_m {
104: my ($target,$token) = @_;
105: my $currentstring = '';
106: if ($target eq 'web') {
107: $Apache::lonxml::prevent_entity_encode--;
108: } elsif ($target eq 'tex') {
109: $currentstring = "";
110: } elsif ($target eq 'meta') {
111: }
112: return $currentstring;
113: }
114:
115: sub start_tthoption {
116: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
117: my $result;
118: if ($target eq 'web') {
119: my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser);
120: $inside=~s/^\s*//;
121: if ($ENV{'browser.mathml'}) {
122: &tth::ttmoptions($inside);
123: } else {
124: &tth::tthoptions($inside);
125: }
126: }
127: return $result;
128: }
129:
130: sub end_tthoption {
131: my ($target,$token) = @_;
132: my $result;
133: return $result;
134: }
135:
136: #-- <html> tag
137: sub start_html {
138: my ($target,$token) = @_;
139: my $currentstring = '';
140: if ($ENV{'browser.mathml'}) {
141: &tth::ttminit();
142: if ($ENV{'browser.unicode'}) {
143: &tth::ttmoptions('-L -u1');
144: } else {
145: &tth::ttmoptions('-L -u0');
146: }
147: } else {
148: &tth::tthinit();
149: if ($ENV{'browser.unicode'}) {
150: &tth::tthoptions('-L -u1');
151: } else {
152: &tth::tthoptions('-L -u0');
153: }
154: }
155: if ($target eq 'web') {
156: $currentstring = &Apache::lonxml::xmlbegin().
157: &Apache::lonxml::fontsettings();
158: } elsif ($target eq 'tex') {
159: @Apache::londefdef::table = ();
160: $currentstring .= '\documentclass[letterpaper]{article}
161: \newcommand{\keephidden}[1]{}
162: \renewcommand{\deg}{$^{\circ}$}
163: \usepackage{textcomp}
164: \usepackage[dvips]{graphicx}
165: \usepackage{epsfig}\usepackage{calc}
166: \newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}';
167: }
168: return $currentstring;
169: }
170:
171: sub end_html {
172: my ($target,$token) = @_;
173: my $currentstring = '';
174: if ($target eq 'web') {
175: $currentstring = &Apache::lonxml::xmlend();
176: }
177: return $currentstring;
178: }
179:
180: #-- <head> tag
181: sub start_head {
182: my ($target,$token) = @_;
183: my $currentstring = '';
184: if ($target eq 'web') {
185: $currentstring = $token->[4];
186: }
187: return $currentstring;
188: }
189:
190: sub end_head {
191: my ($target,$token) = @_;
192: my $currentstring = '';
193: if ($target eq 'web') {
194: $currentstring = &Apache::lonmenu::registerurl(undef,$target).
195: $token->[2];
196: }
197: return $currentstring;
198: }
199:
200: #-- <map> tag
201: sub start_map {
202: my ($target,$token) = @_;
203: my $currentstring = '';
204: if ($target eq 'web') {
205: $currentstring = $token->[4];
206: }
207: return $currentstring;
208: }
209:
210: sub end_map {
211: my ($target,$token) = @_;
212: my $currentstring = '';
213: if ($target eq 'web') {
214: $currentstring = $token->[2];
215: }
216: return $currentstring;
217: }
218:
219: #-- <select> tag
220: sub start_select {
221: my ($target,$token) = @_;
222: my $currentstring = '';
223: if ($target eq 'web') {
224: $currentstring = $token->[4];
225: }
226: return $currentstring;
227: }
228:
229: sub end_select {
230: my ($target,$token) = @_;
231: my $currentstring = '';
232: if ($target eq 'web') {
233: $currentstring = $token->[2];
234: }
235: return $currentstring;
236: }
237:
238: #-- <option> tag
239: sub start_option {
240: my ($target,$token) = @_;
241: my $currentstring = '';
242: if ($target eq 'web') {
243: $currentstring = $token->[4];
244: }
245: return $currentstring;
246: }
247:
248: sub end_option {
249: my ($target,$token) = @_;
250: my $currentstring = '';
251: if ($target eq 'web') {
252: $currentstring = $token->[2];
253: }
254: return $currentstring;
255: }
256:
257: #-- <input> tag
258: sub start_input {
259: my ($target,$token) = @_;
260: my $currentstring = '';
261: if ($target eq 'web') {
262: $currentstring = $token->[4];
263: }
264: return $currentstring;
265: }
266:
267: sub end_input {
268: my ($target,$token) = @_;
269: my $currentstring = '';
270: if ($target eq 'web') {
271: $currentstring = $token->[2];
272: }
273: return $currentstring;
274: }
275:
276: #-- <textarea> tag
277: sub start_textarea {
278: my ($target,$token) = @_;
279: my $currentstring = '';
280: if ($target eq 'web') {
281: $currentstring = $token->[4];
282: }
283: return $currentstring;
284: }
285:
286: sub end_textarea {
287: my ($target,$token) = @_;
288: my $currentstring = '';
289: if ($target eq 'web') {
290: $currentstring = $token->[2];
291: }
292: return $currentstring;
293: }
294:
295: #-- <form> tag
296: sub start_form {
297: my ($target,$token) = @_;
298: my $currentstring = '';
299: if ($target eq 'web') {
300: $currentstring = $token->[4];
301: }
302: return $currentstring;
303: }
304:
305: sub end_form {
306: my ($target,$token) = @_;
307: my $currentstring = '';
308: if ($target eq 'web') {
309: $currentstring = $token->[2];
310: }
311: return $currentstring;
312: }
313:
314: #-- <title> tag
315: sub start_title {
316: my ($target,$token) = @_;
317: my $currentstring = '';
318: if ($target eq 'web') {
319: $currentstring = $token->[4];
320: } elsif ($target eq 'tex') {
321: $currentstring .= '\keephidden{'
322: }
323: if ($target eq 'meta') {
324: $currentstring='<title>';
325: &start_output();
326: }
327: return $currentstring;
328: }
329:
330: sub end_title {
331: my ($target,$token) = @_;
332: my $currentstring = '';
333: if ($target eq 'web') {
334: $currentstring = $token->[2];
335: } elsif ($target eq 'tex') {
336: $currentstring .= '}';
337: }
338: if ($target eq 'meta') {
339: &end_output();
340: $currentstring='</title>';
341: }
342: return $currentstring;
343: }
344:
345: #-- <meta> tag
346: sub start_meta {
347: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
348: my $currentstring = '';
349: if ($target eq 'web') {
350: my $args='';
351: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
352: if ($args eq '') {
353: &Apache::lonxml::get_all_text("/meta",$parser);
354: } else {
355: $currentstring = $token->[4];
356: }
357: }
358: if ($target eq 'meta') {
359: unless (&Apache::lonxml::get_param
360: ('http-equiv',$parstack,$safeeval,undef,1)) {
361: my $name=$token->[2]->{'name'};
362: $name=~tr/A-Z/a-z/;
363: $name=~s/\s/\_/gs;
364: $name=~s/\W//gs;
365: if ($name) {
366: $currentstring='<'.$name.'>'.
367: &Apache::lonxml::get_param
368: ('content',$parstack,$safeeval,undef,1).
369: '</'.$name.'>';
370: }
371: }
372: }
373: return $currentstring;
374: }
375:
376: sub end_meta {
377: my ($target,$token,$tagstack,$parstack,$parser) = @_;
378: my $currentstring = '';
379: if ($target eq 'web') {
380: my $args='';
381: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
382: if ($args ne '') {
383: $currentstring = $token->[4];
384: }
385: }
386: return $currentstring;
387: }
388:
389: # accessrule
390: sub start_accessrule {
391: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
392: my $currentstring = '';
393: my $eff=&Apache::lonxml::get_param
394: ('effect',$parstack,$safeeval,undef,1);
395: my $realm=&Apache::lonxml::get_param
396: ('realm',$parstack,$safeeval,undef,1);
397: my $cont=&Apache::lonxml::get_param
398: ('content',$parstack,$safeeval,undef,1);
399: $cont=~s/\s+//g;
400: $cont=~s/\W/\;/g;
401: if ($target eq 'web') {
402: my $args='';
403: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
404: if ($args eq '') {
405: &Apache::lonxml::get_all_text("/accessrule",$parser);
406: } else {
407: $currentstring = $token->[4];
408: }
409: }
410: if ($target eq 'meta') {
411: $currentstring='<rule>'.$eff.':'.$realm.':'.$cont.'</rule>';
412: }
413: return $currentstring;
414: }
415:
416: sub end_accessrule {
417: my ($target,$token,$tagstack,$parstack,$parser) = @_;
418: my $currentstring = '';
419: if ($target eq 'web') {
420: my $args='';
421: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
422: if ($args ne '') {
423: $currentstring = $token->[4];
424: }
425: }
426: return $currentstring;
427: }
428:
429: #-- <body> tag
430: sub start_body {
431: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
432: my $currentstring = '';
433: if ($target eq 'web') {
434: if (!$Apache::lonxml::registered) {
435: $currentstring.='<head>'.
436: &Apache::lonmenu::registerurl(undef,$target).'</head>';
437: }
438: my $onLoad='';
439: foreach my $key (keys(%{$token->[2]})) {
440: if ($key =~ /^onload$/i) {
441: $onLoad.=$token->[2]->{$key}.';';
442: delete($token->[2]->{$key});
443: }
444: }
445: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
446: my $onUnload='';
447: foreach my $key (keys(%{$token->[2]})) {
448: if ($key =~ /^onunload$/i) {
449: $onUnload.=$token->[2]->{$key}.';';
450: delete($token->[2]->{$key});
451: }
452: }
453: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
454: ';'.$onUnload;
455:
456: $currentstring .= '<'.$token->[1];
457: foreach (keys %{$token->[2]}) {
458: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
459: }
460: $currentstring.='>';
461: if ($ENV{'request.state'} ne 'published') {
462: $currentstring.=(<<EDITBUTTON);
463: <form method="post">
464: <input type="submit" name="editmode" value="Edit" />
465: </form>
466: EDITBUTTON
467: } else {
468: $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
469: }
470: } elsif ($target eq 'tex') {
471: $currentstring = '\begin{document}';
472: }
473: return $currentstring;
474: }
475:
476: sub end_body {
477: my ($target,$token) = @_;
478: my $currentstring = '';
479: if ($target eq 'web') {
480: $currentstring = $token->[2];
481: } elsif ($target eq 'tex') {
482: $currentstring = '\end{document}';
483: }
484: return $currentstring;
485: }
486:
487: #-- <center> tag
488: sub start_center {
489: my ($target,$token) = @_;
490: my $currentstring = '';
491: if ($target eq 'web') {
492: $currentstring = $token->[4];
493: } elsif ($target eq 'tex') {
494: $currentstring = '\begin{center}';
495: } elsif ($target eq 'latexsource') {
496: $currentstring = '\begin{center}';
497: }
498: return $currentstring;
499: }
500:
501: sub end_center {
502: my ($target,$token) = @_;
503: my $currentstring = '';
504: if ($target eq 'web') {
505: $currentstring = $token->[2];
506: } elsif ($target eq 'tex') {
507: $currentstring = '\end{center}';
508: } elsif ($target eq 'latexsource') {
509: $currentstring = '\end{center}';
510: }
511: return $currentstring;
512: }
513:
514: #-- <b> tag
515: sub start_b {
516: my ($target,$token) = @_;
517: my $currentstring = '';
518: if ($target eq 'web') {
519: $currentstring = $token->[4];
520: } elsif ($target eq 'tex') {
521: $currentstring = '\textbf{';
522: } elsif ($target eq 'latexsource') {
523: $currentstring = '\textbf{';
524: }
525: return $currentstring;
526: }
527:
528: sub end_b {
529: my ($target,$token) = @_;
530: my $currentstring = '';
531: if ($target eq 'web') {
532: $currentstring = $token->[2];
533: } elsif ($target eq 'tex') {
534: $currentstring = '}';
535: } elsif ($target eq 'latexsource') {
536: $currentstring = '}';
537: }
538: return $currentstring;
539: }
540:
541: #-- <strong> tag
542: sub start_strong {
543: my ($target,$token) = @_;
544: my $currentstring = '';
545: if ($target eq 'web') {
546: $currentstring = $token->[4];
547: } elsif ($target eq 'tex') {
548: $currentstring = '\textbf{';
549: } elsif ($target eq 'latexsource') {
550: $currentstring = '\textbf{';
551: }
552: return $currentstring;
553: }
554:
555: sub end_strong {
556: my ($target,$token) = @_;
557: my $currentstring = '';
558: if ($target eq 'web') {
559:
560: $currentstring = $token->[2];
561: } elsif ($target eq 'tex') {
562: $currentstring = '}';
563: } elsif ($target eq 'latexsource') {
564: $currentstring = '}';
565: }
566: return $currentstring;
567: }
568:
569: #-- <h1> tag
570: sub start_h1 {
571: my ($target,$token) = @_;
572: my $currentstring = '';
573: if ($target eq 'web') {
574: $currentstring .= $token->[4];
575: } elsif ($target eq 'tex') {
576: $currentstring .= '{\large \textbf{';
577: } elsif ($target eq 'meta') {
578: $currentstring='<subject>';
579: &start_output();
580: }
581: return $currentstring;
582: }
583:
584: sub end_h1 {
585: my ($target,$token) = @_;
586: my $currentstring = '';
587: if ($target eq 'web') {
588: $currentstring .= $token->[2];
589: } elsif ($target eq 'tex') {
590: $currentstring .= '}}';
591: } elsif ($target eq 'meta') {
592: &end_output();
593: $currentstring='</subject>';
594: }
595: return $currentstring;
596: }
597:
598: #-- <h2> tag
599: sub start_h2 {
600: my ($target,$token) = @_;
601: my $currentstring = '';
602: if ($target eq 'web') {
603: $currentstring .= $token->[4];
604: } elsif ($target eq 'tex') {
605: $currentstring .= '{\large \textbf{';
606: }
607: return $currentstring;
608: }
609:
610: sub end_h2 {
611: my ($target,$token) = @_;
612: my $currentstring = '';
613: if ($target eq 'web') {
614: $currentstring .= $token->[2];
615: } elsif ($target eq 'tex') {
616: $currentstring .= '}}';
617: }
618: return $currentstring;
619: }
620:
621: #-- <h3> tag
622: sub start_h3 {
623: my ($target,$token) = @_;
624: my $currentstring = '';
625: if ($target eq 'web') {
626: $currentstring .= $token->[4];
627: } elsif ($target eq 'tex') {
628: $currentstring .= '{\large \textbf{';
629: }
630: return $currentstring;
631: }
632:
633: sub end_h3 {
634: my ($target,$token) = @_;
635: my $currentstring = '';
636: if ($target eq 'web') {
637: $currentstring .= $token->[2];
638: } elsif ($target eq 'tex') {
639: $currentstring .= '}}';
640: }
641: return $currentstring;
642: }
643:
644: #-- <h4> tag
645: sub start_h4 {
646: my ($target,$token) = @_;
647: my $currentstring = '';
648: if ($target eq 'web') {
649: $currentstring .= $token->[4];
650: } elsif ($target eq 'tex') {
651: $currentstring .= '{\large \textbf{';
652: }
653: return $currentstring;
654: }
655:
656: sub end_h4 {
657: my ($target,$token) = @_;
658: my $currentstring = '';
659: if ($target eq 'web') {
660: $currentstring .= $token->[2];
661: } elsif ($target eq 'tex') {
662: $currentstring .= '}}';
663: }
664: return $currentstring;
665: }
666:
667: #-- <h5> tag
668: sub start_h5 {
669: my ($target,$token) = @_;
670: my $currentstring = '';
671: if ($target eq 'web') {
672: $currentstring .= $token->[4];
673: } elsif ($target eq 'tex') {
674: $currentstring .= '{\large \textbf{';
675: }
676: return $currentstring;
677: }
678:
679: sub end_h5 {
680: my ($target,$token) = @_;
681: my $currentstring = '';
682: if ($target eq 'web') {
683: $currentstring .= $token->[2];
684: } elsif ($target eq 'tex') {
685: $currentstring .= '}}';
686: }
687: return $currentstring;
688: }
689:
690: #-- <h6> tag
691: sub start_h6 {
692: my ($target,$token) = @_;
693: my $currentstring = '';
694: if ($target eq 'web') {
695: $currentstring .= $token->[4];
696: } elsif ($target eq 'tex') {
697: $currentstring .= '{\large \textbf{';
698: }
699: return $currentstring;
700: }
701:
702: sub end_h6 {
703: my ($target,$token) = @_;
704: my $currentstring = '';
705: if ($target eq 'web') {
706: $currentstring .= $token->[2];
707: } elsif ($target eq 'tex') {
708: $currentstring .= '}}';
709: }
710: return $currentstring;
711: }
712:
713: #--- <cite> tag
714: sub start_cite {
715: my ($target,$token) = @_;
716: my $currentstring = '';
717: if ($target eq 'web') {
718: $currentstring .= $token->[4];
719: } elsif ($target eq 'tex') {
720: $currentstring .= "\\textit{";
721: } elsif ($target eq 'latexsource') {
722: $currentstring .= "\\textit{";
723: }
724: return $currentstring;
725: }
726:
727: sub end_cite {
728: my ($target,$token) = @_;
729: my $currentstring = '';
730: if ($target eq 'web') {
731: $currentstring .= $token->[2];
732: } elsif ($target eq 'tex') {
733: $currentstring .= "}";
734: } elsif ($target eq 'latexsource') {
735: $currentstring .= "}";
736: }
737: return $currentstring;
738: }
739:
740: #-- <i> tag
741: sub start_i {
742: my ($target,$token) = @_;
743: my $currentstring = '';
744: if ($target eq 'web') {
745: $currentstring .= $token->[4];
746: } elsif ($target eq 'tex') {
747: $currentstring .= '\textit{';
748: } elsif ($target eq 'latexsource') {
749: $currentstring .= '\textit{';
750: }
751: return $currentstring;
752: }
753:
754: sub end_i {
755: my ($target,$token) = @_;
756: my $currentstring = '';
757: if ($target eq 'web') {
758: $currentstring .= $token->[2];
759: } elsif ($target eq 'tex') {
760: $currentstring .= '}';
761: } elsif ($target eq 'latexsource') {
762: $currentstring .= '}';
763: }
764: return $currentstring;
765: }
766:
767: #-- <address> tag
768: sub start_address {
769: my ($target,$token) = @_;
770: my $currentstring = '';
771: if ($target eq 'web') {
772: $currentstring .= $token->[4];
773: } elsif ($target eq 'tex') {
774: $currentstring .= "\\textit{";
775: } elsif ($target eq 'latexsource') {
776: $currentstring .= "\\textit{";
777: }
778: return $currentstring;
779: }
780:
781: sub end_address {
782: my ($target,$token) = @_;
783: my $currentstring = '';
784: if ($target eq 'web') {
785: $currentstring .= $token->[2];
786: } elsif ($target eq 'tex') {
787: $currentstring .= "}";
788: } elsif ($target eq 'latexsource') {
789: $currentstring .= "}";
790: }
791: return $currentstring;
792: }
793:
794: #-- <dfn> tag
795: sub start_dfn {
796: my ($target,$token) = @_;
797: my $currentstring = '';
798: if ($target eq 'web') {
799: $currentstring .= $token->[4];
800: } elsif ($target eq 'tex') {
801: $currentstring .= "\\textit{";
802: } elsif ($target eq 'latexsource') {
803: $currentstring .= "\\textit{";
804: }
805: return $currentstring;
806: }
807:
808: sub end_dfn {
809: my ($target,$token) = @_;
810: my $currentstring = '';
811: if ($target eq 'web') {
812: $currentstring .= $token->[2];
813: } elsif ($target eq 'tex') {
814: $currentstring .= "}";
815: } elsif ($target eq 'latexsource') {
816: $currentstring .= "}";
817: }
818: return $currentstring;
819: }
820:
821: #-- <tt> tag
822: sub start_tt {
823: my ($target,$token) = @_;
824: my $currentstring = '';
825: if ($target eq 'web') {
826: $currentstring .= $token->[4];
827: } elsif ($target eq 'tex') {
828: $currentstring .= '\texttt{';
829: } elsif ($target eq 'latexsource') {
830: $currentstring .= '\texttt{';
831: }
832: return $currentstring;
833: }
834:
835: sub end_tt {
836: my ($target,$token) = @_;
837: my $currentstring = '';
838: if ($target eq 'web') {
839: $currentstring .= $token->[2];
840: } elsif ($target eq 'tex') {
841: $currentstring .= '}';
842: } elsif ($target eq 'latexsource') {
843: $currentstring .= '}';
844: }
845: return $currentstring;
846: }
847:
848: #-- <kbd> tag
849: sub start_kbd {
850: my ($target,$token) = @_;
851: my $currentstring = '';
852: if ($target eq 'web') {
853: $currentstring .= $token->[4];
854: } elsif ($target eq 'tex') {
855: $currentstring .= "\\texttt";
856: } elsif ($target eq 'latexsource') {
857: $currentstring .= "\\texttt{";
858: }
859: return $currentstring;
860: }
861:
862: sub end_kbd {
863: my ($target,$token) = @_;
864: my $currentstring = '';
865: if ($target eq 'web') {
866: $currentstring .= $token->[2];
867: } elsif ($target eq 'tex') {
868: $currentstring .= "}";
869: } elsif ($target eq 'latexsource') {
870: $currentstring .= "}";
871: }
872: return $currentstring;
873: }
874:
875: #-- <code> tag
876: sub start_code {
877: my ($target,$token) = @_;
878: my $currentstring = '';
879: if ($target eq 'web') {
880: $currentstring .= $token->[4];
881: } elsif ($target eq 'tex') {
882: $currentstring .= '\texttt{';
883: }
884: return $currentstring;
885: }
886:
887: sub end_code {
888: my ($target,$token) = @_;
889: my $currentstring = '';
890: if ($target eq 'web') {
891: $currentstring .= $token->[2];
892: } elsif ($target eq 'tex') {
893: $currentstring .= '}';
894: }
895: return $currentstring;
896: }
897:
898: #-- <em> tag
899: sub start_em {
900: my ($target,$token) = @_;
901: my $currentstring = '';
902: if ($target eq 'web') {
903: $currentstring .= $token->[4];
904: } elsif ($target eq 'tex') {
905: $currentstring .= '\emph{';
906: } elsif ($target eq 'latexsource') {
907: $currentstring .= '\emph{';
908: }
909: return $currentstring;
910: }
911:
912: sub end_em {
913: my ($target,$token) = @_;
914: my $currentstring = '';
915: if ($target eq 'web') {
916: $currentstring .= $token->[2];
917: } elsif ($target eq 'tex') {
918: $currentstring .= '}';
919: } elsif ($target eq 'latexsource') {
920: $currentstring .= '}';
921: }
922: return $currentstring;
923: }
924:
925: #-- <q> tag
926: sub start_q {
927: my ($target,$token) = @_;
928: my $currentstring = '';
929: if ($target eq 'web') {
930: $currentstring .= $token->[4];
931: } elsif ($target eq 'tex') {
932: $currentstring .= "\\emph{";
933: } elsif ($target eq 'latexsource') {
934: $currentstring .= "\\emph{";
935: }
936: return $currentstring;
937: }
938:
939: sub end_q {
940: my ($target,$token) = @_;
941: my $currentstring = '';
942: if ($target eq 'web') {
943: $currentstring .= $token->[2];
944: } elsif ($target eq 'tex') {
945: $currentstring .= "}";
946: } elsif ($target eq 'latexsource') {
947: $currentstring .= "}";
948: }
949: return $currentstring;
950: }
951:
952: #-- <p> tag
953: sub start_p {
954: my ($target,$token) = @_;
955: my $currentstring = '';
956: if ($target eq 'web') {
957: $currentstring .= $token->[4];
958: } elsif ($target eq 'tex') {
959: $currentstring .= '{\par ';
960: } elsif ($target eq 'latexsource') {
961: $currentstring .= '{\par ';
962: }
963: return $currentstring;
964: }
965:
966: sub end_p {
967: my ($target,$token) = @_;
968: my $currentstring = '';
969: if ($target eq 'web') {
970: $currentstring .= $token->[2];
971: } elsif ($target eq 'tex') {
972: $currentstring .= '}';
973: } elsif ($target eq 'latexsource') {
974: $currentstring .= '}';
975: }
976: return $currentstring;
977: }
978:
979: #-- <br> tag
980: sub start_br {
981: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
982: my $currentstring = '';
983: if ($target eq 'web') {
984: $currentstring .= $token->[4];
985: } elsif ($target eq 'tex') {
986: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
987: $currentstring .= '\vskip 0.2 mm';
988: }
989: } elsif ($target eq 'latexsource') {
990: $currentstring .= '\\';
991: }
992: return $currentstring;
993: }
994:
995: sub end_br {
996: my ($target,$token) = @_;
997: my $currentstring = '';
998: if ($target eq 'web') {
999: $currentstring .= $token->[2];
1000: }
1001: return $currentstring;
1002: }
1003:
1004: #-- <big> tag
1005: sub start_big {
1006: my ($target,$token) = @_;
1007: my $currentstring = '';
1008: if ($target eq 'web') {
1009: $currentstring .= $token->[4];
1010: } elsif ($target eq 'tex') {
1011: $currentstring .= '\large{';
1012: } elsif ($target eq 'latexsource') {
1013: $currentstring .= '{\Large ';
1014: }
1015: return $currentstring;
1016: }
1017:
1018: sub end_big {
1019: my ($target,$token) = @_;
1020: my $currentstring = '';
1021: if ($target eq 'web') {
1022: $currentstring .= $token->[2];
1023: } elsif ($target eq 'tex') {
1024: $currentstring .= '}';
1025: } elsif ($target eq 'latexsource') {
1026: $currentstring .= '}';
1027: }
1028: return $currentstring;
1029: }
1030:
1031: #-- <small> tag
1032: sub start_small {
1033: my ($target,$token) = @_;
1034: my $currentstring = '';
1035: if ($target eq 'web') {
1036: $currentstring .= $token->[4];
1037: } elsif ($target eq 'tex') {
1038: $currentstring .= '{\footnotesize ';
1039: } elsif ($target eq 'latexsource') {
1040: $currentstring .= '{\footnotesize ';
1041: }
1042: return $currentstring;
1043: }
1044:
1045: sub end_small {
1046: my ($target,$token) = @_;
1047: my $currentstring = '';
1048: if ($target eq 'web') {
1049: $currentstring .= $token->[2];
1050: } elsif ($target eq 'tex') {
1051: $currentstring .= '}';
1052: } elsif ($target eq 'latexsource') {
1053: $currentstring .= '}';
1054: }
1055: return $currentstring;
1056: }
1057:
1058: #-- <basefont> tag
1059: sub start_basefont {
1060: my ($target,$token) = @_;
1061: my $currentstring = '';
1062: if ($target eq 'web') {
1063: $currentstring = $token->[4];
1064: }
1065: return $currentstring;
1066: }
1067:
1068: sub end_basefont {
1069: my ($target,$token) = @_;
1070: my $currentstring = '';
1071: if ($target eq 'web') {
1072: $currentstring = $token->[4];
1073: }
1074: return $currentstring;
1075: }
1076:
1077: #-- <font> tag
1078: sub start_font {
1079: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1080: my $currentstring = '';
1081: if ($target eq 'web') {
1082: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1083: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
1084: $currentstring = $token->[4];
1085: }
1086: return $currentstring;
1087: }
1088:
1089: sub end_font {
1090: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1091: my $currentstring = '';
1092: if ($target eq 'web') {
1093: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1094: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
1095: $currentstring = $token->[2];
1096: }
1097: return $currentstring;
1098: }
1099:
1100: #-- <strike> tag
1101: sub start_strike {
1102: my ($target,$token) = @_;
1103: my $currentstring = '';
1104: if ($target eq 'web') {
1105: $currentstring .= $token->[4];
1106: } elsif ($target eq 'tex') {
1107: &Apache::lonxml::startredirection();
1108: }
1109: return $currentstring;
1110: }
1111:
1112: sub end_strike {
1113: my ($target,$token) = @_;
1114: my $currentstring = '';
1115: if ($target eq 'web') {
1116: $currentstring .= $token->[2];
1117: } elsif ($target eq 'tex') {
1118: $currentstring=&Apache::lonxml::endredirection();
1119: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1120: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1121: $currentstring=~s/(\S)\s*$/$1\}/;
1122: }
1123: return $currentstring;
1124: }
1125:
1126: #-- <s> tag
1127: sub start_s {
1128: my ($target,$token) = @_;
1129: my $currentstring = '';
1130: if ($target eq 'web') {
1131: $currentstring .= $token->[4];
1132: } elsif ($target eq 'tex') {
1133: &Apache::lonxml::startredirection();
1134: }
1135: return $currentstring;
1136: }
1137:
1138: sub end_s {
1139: my ($target,$token) = @_;
1140: my $currentstring = '';
1141: if ($target eq 'web') {
1142: $currentstring .= $token->[2];
1143: } elsif ($target eq 'tex') {
1144: $currentstring=&Apache::lonxml::endredirection();
1145: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1146: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1147: $currentstring=~s/(\S)\s*$/$1\}/;
1148: }
1149: return $currentstring;
1150: }
1151:
1152: #-- <sub> tag
1153: sub start_sub {
1154: my ($target,$token) = @_;
1155: my $currentstring = '';
1156: if ($target eq 'web') {
1157: $currentstring .= $token->[4];
1158: } elsif ($target eq 'tex') {
1159: $currentstring .= "\$_{ ";
1160: }
1161: return $currentstring;
1162: }
1163:
1164: sub end_sub {
1165: my ($target,$token) = @_;
1166: my $currentstring = '';
1167: if ($target eq 'web') {
1168: $currentstring .= $token->[2];
1169: } elsif ($target eq 'tex') {
1170: $currentstring .= " }\$";
1171: }
1172: return $currentstring;
1173: }
1174:
1175: #-- <sup> tag
1176: sub start_sup {
1177: my ($target,$token) = @_;
1178: my $currentstring = '';
1179: if ($target eq 'web') {
1180: $currentstring .= $token->[4];
1181: } elsif ($target eq 'tex') {
1182: $currentstring .= "\$^{ ";
1183: }
1184: return $currentstring;
1185: }
1186:
1187: sub end_sup {
1188: my ($target,$token) = @_;
1189: my $currentstring = '';
1190: if ($target eq 'web') {
1191: $currentstring .= $token->[2];
1192: } elsif ($target eq 'tex') {
1193: $currentstring .= " }\$";
1194: }
1195: return $currentstring;
1196: }
1197:
1198: #-- <hr> tag
1199: sub start_hr {
1200: my ($target,$token) = @_;
1201: my $currentstring = '';
1202: if ($target eq 'web') {
1203: $currentstring .= $token->[4];
1204: } elsif ($target eq 'tex') {
1205: $currentstring .= '\vskip 0 mm \noindent\makebox[\textwidth/2 ][b]{\hrulefill}\vskip 0 mm ';
1206: }
1207: return $currentstring;
1208: }
1209:
1210: sub end_hr {
1211: my ($target,$token) = @_;
1212: my $currentstring = '';
1213: if ($target eq 'web') {
1214: $currentstring .= $token->[2];
1215: } elsif ($target eq 'tex') {
1216: }
1217: return $currentstring;
1218: }
1219:
1220: #-- <div> tag
1221: sub start_div {
1222: my ($target,$token) = @_;
1223: my $currentstring = '';
1224: if ($target eq 'web') {
1225: $currentstring .= $token->[4];
1226: }
1227: return $currentstring;
1228: }
1229:
1230: sub end_div {
1231: my ($target,$token) = @_;
1232: my $currentstring = '';
1233: if ($target eq 'web') {
1234: $currentstring .= $token->[2];
1235: }
1236: return $currentstring;
1237: }
1238:
1239: #-- <a> tag
1240: sub start_a {
1241: my ($target,$token) = @_;
1242: my $currentstring = '';
1243: if ($target eq 'web') {
1244: $currentstring .= $token->[4];
1245: } elsif ($target eq 'tex') {
1246: }
1247: return $currentstring;
1248: }
1249:
1250: sub end_a {
1251: my ($target,$token,$tagstack,$stackref) = @_;
1252: my $currentstring = '';
1253: if ($target eq 'web') {
1254: $currentstring .= $token->[2];
1255: } elsif ($target eq 'tex') {
1256: my $tempor_var = $stackref->[$#$stackref];
1257: if (index($tempor_var,'name') != -1 ) {
1258: $tempor_var =~ s/name=([^,]*),/$1/g;
1259: } elsif (index($tempor_var,'href') != -1 ) {
1260: $tempor_var =~ s/href=([^,]*),/$1/g;
1261: $currentstring .= " \\ref{$tempor_var}";
1262: }
1263: }
1264: return $currentstring;
1265: }
1266:
1267: #-- <li> tag
1268: sub start_li {
1269: my ($target,$token,$tagstack,$stackref) = @_;
1270: my $currentstring = '';
1271: if ($target eq 'web') {
1272: $currentstring = $token->[4];
1273: } elsif ($target eq 'tex') {
1274: my $tempor_var = $stackref->[$#$stackref];
1275: if (index($tempor_var,'circle') != -1 ) {
1276: $currentstring .= " \\item[o] ";
1277: } elsif (index($tempor_var,'square') != -1 ) {
1278: $currentstring .= " \\item[$\Box$] ";
1279: } elsif ($tempor_var ne '') {
1280: $_ = $tempor_var;
1281: m/my\s*([^=]*)=/;
1282: $currentstring .= " \\item[$1] ";
1283: } else {
1284: $currentstring .= " \\item ";
1285: }
1286: }
1287: return $currentstring;
1288: }
1289:
1290: sub end_li {
1291: my ($target,$token) = @_;
1292: my $currentstring = '';
1293: if ($target eq 'web') {
1294: $currentstring = $token->[2];
1295: }
1296: return $currentstring;
1297: }
1298:
1299: #-- <u> tag
1300: sub start_u {
1301: my ($target,$token) = @_;
1302: my $currentstring = '';
1303: if ($target eq 'web') {
1304: $currentstring .= $token->[4];
1305: } elsif ($target eq 'tex') {
1306: &Apache::lonxml::startredirection();
1307: }
1308: return $currentstring;
1309: }
1310:
1311: sub end_u {
1312: my ($target,$token) = @_;
1313: my $currentstring = '';
1314: if ($target eq 'web') {
1315: $currentstring .= $token->[2];
1316: } elsif ($target eq 'tex') {
1317: $currentstring=&Apache::lonxml::endredirection();
1318: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1319: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1320: $currentstring=~s/(\S)\s*$/$1\}/;
1321: }
1322: return $currentstring;
1323: }
1324:
1325: #-- <ul> tag
1326: sub start_ul {
1327: my ($target,$token) = @_;
1328: my $currentstring = '';
1329: if ($target eq 'web') {
1330: $currentstring = $token->[4];
1331: } elsif ($target eq 'tex') {
1332: $currentstring = '\begin{itemize}';
1333: }
1334: return $currentstring;
1335: }
1336:
1337: sub end_ul {
1338: my ($target,$token) = @_;
1339: my $currentstring = '';
1340: if ($target eq 'web') {
1341: $currentstring = $token->[2];
1342: } elsif ($target eq 'tex') {
1343: $currentstring = '\end{itemize}';
1344: }
1345: return $currentstring;
1346: }
1347:
1348: #-- <menu> tag
1349: sub start_menu {
1350: my ($target,$token) = @_;
1351: my $currentstring = '';
1352: if ($target eq 'web') {
1353: $currentstring = $token->[4];
1354: } elsif ($target eq 'tex') {
1355: $currentstring = " \\begin{itemize} ";
1356: }
1357: return $currentstring;
1358: }
1359:
1360: sub end_menu {
1361: my ($target,$token) = @_;
1362: my $currentstring = '';
1363: if ($target eq 'web') {
1364: $currentstring = $token->[2];
1365: } elsif ($target eq 'tex') {
1366: $currentstring = " \\end{itemize}";
1367: }
1368: return $currentstring;
1369: }
1370:
1371: #-- <dir> tag
1372: sub start_dir {
1373: my ($target,$token) = @_;
1374: my $currentstring = '';
1375: if ($target eq 'web') {
1376: $currentstring = $token->[4];
1377: } elsif ($target eq 'tex') {
1378: $currentstring = " \\begin{itemize} ";
1379: }
1380: return $currentstring;
1381: }
1382:
1383: sub end_dir {
1384: my ($target,$token) = @_;
1385: my $currentstring = '';
1386: if ($target eq 'web') {
1387: $currentstring = $token->[2];
1388: } elsif ($target eq 'tex') {
1389: $currentstring = " \\end{itemize}";
1390: }
1391: return $currentstring;
1392: }
1393:
1394: #-- <ol> tag
1395: sub start_ol {
1396: my ($target,$token) = @_;
1397: my $currentstring = '';
1398: if ($target eq 'web') {
1399: $currentstring = $token->[4];
1400: } elsif ($target eq 'tex') {
1401: $currentstring = '\begin{enumerate}';
1402: }
1403: return $currentstring;
1404: }
1405:
1406: sub end_ol {
1407: my ($target,$token) = @_;
1408: my $currentstring = '';
1409: if ($target eq 'web') {
1410: $currentstring = $token->[2];
1411: } elsif ($target eq 'tex') {
1412: $currentstring = '\end{enumerate}';
1413: }
1414: return $currentstring;
1415: }
1416:
1417: #-- <dl> tag
1418: sub start_dl {
1419: my ($target,$token) = @_;
1420: my $currentstring = '';
1421: if ($target eq 'web') {
1422: $currentstring = $token->[4];
1423: } elsif ($target eq 'tex') {
1424: $currentstring = '\begin{description}';
1425: }
1426: return $currentstring;
1427: }
1428:
1429: sub end_dl {
1430: my ($target,$token) = @_;
1431: my $currentstring = '';
1432: if ($target eq 'web') {
1433: $currentstring = $token->[2];
1434: } elsif ($target eq 'tex') {
1435: $currentstring = '\end{description}';
1436: }
1437: return $currentstring;
1438: }
1439:
1440: #-- <dt> tag
1441: sub start_dt {
1442: my ($target,$token) = @_;
1443: my $currentstring = '';
1444: if ($target eq 'web') {
1445: $currentstring = $token->[4];
1446: } elsif ($target eq 'tex') {
1447: $currentstring = '\item[';
1448: }
1449: return $currentstring;
1450: }
1451:
1452: sub end_dt {
1453: my ($target,$token) = @_;
1454: my $currentstring = '';
1455: if ($target eq 'web') {
1456: $currentstring = $token->[2];
1457: } elsif ($target eq 'tex') {
1458: $currentstring = ']';
1459: }
1460: return $currentstring;
1461: }
1462:
1463: #-- <dd> tag
1464: sub start_dd {
1465: my ($target,$token) = @_;
1466: my $currentstring = '';
1467: if ($target eq 'web') {
1468: $currentstring = $token->[4];
1469: }
1470: return $currentstring;
1471: }
1472:
1473: sub end_dd {
1474: my ($target,$token) = @_;
1475: my $currentstring = '';
1476: if ($target eq 'web') {
1477: $currentstring = $token->[2];
1478: }
1479: return $currentstring;
1480: }
1481:
1482: #-- <table> tag
1483: sub start_table {
1484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1485: my $currentstring = '';
1486: if ($target eq 'web') {
1487: $currentstring = $token->[4];
1488: } elsif ($target eq 'tex') {
1489: my $aa = {};
1490: push @Apache::londefdef::table, $aa;
1491: $Apache::londefdef::table[-1]{'row_number'} = -1;
1492: $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
1493: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
1494: unless (defined $border) { $border = 0; }
1495: if ($border) {
1496: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1497: $Apache::londefdef::table[-1]{'vinc'} = '&';
1498: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1499: } else {
1500: $Apache::londefdef::table[-1]{'hinc'} = '';
1501: $Apache::londefdef::table[-1]{'vinc'} = '&';
1502: $Apache::londefdef::table[-1]{'vvinc'} = '';
1503: }
1504: my $width;
1505: foreach my $key (keys(%{$token->[2]})) {
1506: if ($key =~ /^width$/i) {
1507: $width = &Apache::lonxml::get_param($key,$parstack,$safeeval,undef,1);
1508: }
1509: }
1510: if (defined($width)) { $Apache::londefdef::table[-1]{'width'}=$width; }
1511: }
1512: return $currentstring;
1513: }
1514:
1515: sub end_table {
1516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1517: my $currentstring = '';
1518: if ($target eq 'web') {
1519: $currentstring = $token->[2];
1520: } elsif ($target eq 'tex') {
1521: my $inmemory = '';
1522: my $output = '';
1523: #construct header of the table
1524: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1525: my $in;
1526: for ($in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
1527: $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
1528: }
1529: $header_of_table .= '}';
1530: #fill the table
1531: for ($in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1532: $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
1533: chop $output;
1534: $output .= ' \\\\ ';
1535: }
1536: #define the length of the table cells
1537: my @lengthforoutput = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
1538: my $how_many_columns = $#lengthforoutput + 1; #total number of columns in the table
1539: my $filled_columns = 0; #number of columns with information about width
1540: my $available_space = ' ';
1541: foreach my $tempo_length (@{ $Apache::londefdef::table[-1]{'lengthrow'} }) {
1542: my @length = split(/,/,$tempo_length);
1543: for (my $ico=0;$ico<=$#lengthforoutput;$ico++) {
1544: $lengthforoutput[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/;
1545: my $old_value = $1;
1546: my $old_unit = $2;
1547: if ($old_unit eq 'cm') {
1548: $old_value = $old_value * 10;
1549: } elsif ($old_unit eq 'in') {
1550: $old_value = $old_value * 25.4;
1551: } elsif ($old_unit eq 'pt') {
1552: $old_value = $old_value * 25.4/72.27;
1553: } elsif ($old_unit eq 'pc') {
1554: $old_value = $old_value * 25.4/6.022;
1555: }
1556: $old_unit = 'mm';
1557: $length[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/;
1558: my $new_value = $1;
1559: my $new_unit = $2;
1560: if ($new_unit eq 'cm') {
1561: $new_value = $new_value * 10;
1562: } elsif ($old_unit eq 'in') {
1563: $new_value = $new_value * 25.4;
1564: } elsif ($old_unit eq 'pt') {
1565: $new_value = $new_value * 25.4/72.27;
1566: } elsif ($old_unit eq 'pc') {
1567: $new_value = $new_value * 25.4/6.022;
1568: }
1569: $new_unit = 'mm';
1570: if ($old_value < $new_value) {
1571: $lengthforoutput[$ico] = $new_value.' mm';
1572: } else {
1573: $lengthforoutput[$ico] = $old_value.' mm';
1574: }
1575: }
1576: }
1577: for (my $ico=0;$ico<=$#lengthforoutput;$ico++) {
1578: if (not $lengthforoutput[$ico]=~m/^\s*0\s*\w*\s*$/) {
1579: $filled_columns++;
1580: $available_space = $available_space.' - '.$lengthforoutput[$ico];
1581: }
1582: }
1583: my $temp_file;
1584: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.tbl";
1585: if (-e $filename) {
1586: $temp_file = Apache::File->new($filename);
1587: my @tbl_file_content = <$temp_file>;
1588: my ($one,$two,$three) = split(/,/,$tbl_file_content[0]);
1589: $how_many_columns+=$one-1;
1590: $filled_columns+=$two;
1591: if($three=~/\S/) {$available_space = $available_space.' - '.$three;}
1592: } else {
1593: $temp_file = Apache::File->new('>>'.$filename);
1594: }
1595: print $temp_file "$how_many_columns,$filled_columns,$available_space\n";
1596: $output =~ s/\\parbox{TOBECHANGEDONNUMBER}{}/\\parbox{1 mm}{}/g;
1597: $output =~ s/\\parbox{TOBECHANGEDONNUMBER}/\\parbox{\$SpacePerColumn}/g;
1598: my @tagar = @$tagstack;
1599: my $signature = 1;
1600: for (my $ico=0;$ico<$#tagar;$ico++) {
1601: if ($tagar[$ico] eq 'table') { $signature = 0; }
1602: }
1603: if ($signature) {
1604: my $NumberEmptyLength = $how_many_columns - $filled_columns;
1605: my $SpacePerColumn = '(\textwidth '.$available_space.')/'.$NumberEmptyLength;
1606: my $shorthand = ($filled_columns+1)*4;
1607: $output =~ s/\$SpacePerColumn/$SpacePerColumn - $shorthand mm/g;
1608: }
1609: if ($how_many_columns==1) {
1610: #start of block with width correction for one column table
1611: $output=~s/^\s*\\parbox\{([^\}]*)\}/\\parbox\{\\textwidth - 1 cm\}/;
1612: #end of block with width correction for one column table
1613: }
1614: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
1615: if ($#Apache::londefdef::table > 0) {
1616: $inmemory = $Apache::londefdef::table[-1]{'output'};
1617: pop @Apache::londefdef::table;
1618: $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}] .= $inmemory
1619: } else {
1620: $currentstring = $Apache::londefdef::table[-1]{'output'};
1621: $currentstring =~ s/\\\\\s+\\\\/\\\\/g;
1622: pop @Apache::londefdef::table;
1623: if (-e $filename) {
1624: unlink $filename;
1625: }
1626: }
1627: }
1628: return $currentstring;
1629: }
1630:
1631: #-- <tr> tag
1632: sub start_tr {
1633: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1634: my $currentstring = '';
1635: if ($target eq 'web') {
1636: $currentstring = $token->[4];
1637: } elsif ($target eq 'tex') {
1638: $Apache::londefdef::table[-1]{'row_number'}++;
1639: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1640: if ($alignchar ne '') {
1641: push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
1642: } else {
1643: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
1644: }
1645: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1646: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1647: $Apache::londefdef::table[-1]{'length'} = '';
1648: }
1649: return $currentstring;
1650: }
1651:
1652: sub end_tr {
1653: my ($target,$token) = @_;
1654: my $currentstring = '';
1655: if ($target eq 'web') {
1656: $currentstring = $token->[2];
1657: } elsif ($target eq 'tex') {
1658: push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
1659:
1660: }
1661: return $currentstring;
1662: }
1663:
1664: #-- <td> tag
1665: sub start_td {
1666: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1667: my $currentstring = '';
1668: if ($target eq 'web') {
1669: $currentstring = $token->[4];
1670: } elsif ($target eq 'tex') {
1671: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1672: if ($what_to_push eq '') {
1673: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1674: }
1675: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1676: $Apache::londefdef::table[-1]{'counter_columns'}++;
1677: &Apache::lonxml::startredirection();
1678: }
1679: return $currentstring;
1680: }
1681:
1682: sub end_td {
1683: my ($target,$token) = @_;
1684: my $currentstring = '';
1685: my $tempolen = '';
1686: if ($target eq 'web') {
1687: $currentstring = $token->[2];
1688: } elsif ($target eq 'tex') {
1689: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1690: my $data=&Apache::lonxml::endredirection();
1691: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt))/) {
1692: $Apache::londefdef::table[-1]{'length'} .= $1.',';
1693: $tempolen = $1;
1694: } else {
1695: if (length($data)<5) {
1696: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1697: $tempolen = '6 mm';
1698: } else {
1699: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1700: $tempolen = 'TOBECHANGEDONNUMBER';
1701: }
1702: }
1703: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$tempolen.'}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1704: }
1705: return $currentstring;
1706: }
1707:
1708: #-- <th> tag
1709: sub start_th {
1710: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1711: my $currentstring = '';
1712: if ($target eq 'web') {
1713: $currentstring = $token->[4];
1714: } elsif ($target eq 'tex') {
1715: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1716: if ($what_to_push eq '') {
1717: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1718: }
1719: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1720: $Apache::londefdef::table[-1]{'counter_columns'}++;
1721: &Apache::lonxml::startredirection();
1722: ;
1723: }
1724: return $currentstring;
1725: }
1726:
1727: sub end_th {
1728: my ($target,$token) = @_;
1729: my $currentstring = '';
1730: if ($target eq 'web') {
1731: $currentstring = $token->[2];
1732: } elsif ($target eq 'tex') {
1733: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1734: my $data=&Apache::lonxml::endredirection();
1735: if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) {
1736: $Apache::londefdef::table[-1]{'length'} .= $1.',';
1737: } else {
1738: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1739: }
1740: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{\textbf{'.$data.'}} '.$Apache::londefdef::table[-1]{'vinc'};
1741: }
1742: return $currentstring;
1743: }
1744:
1745: #-- <img> tag
1746: sub start_img {
1747: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1748: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
1749: undef,1);
1750: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1751: my $currentstring = '';
1752: my $width_param = '';
1753: my $height_param = '';
1754: my $scaling = .3;
1755:
1756: if ($target eq 'web') {
1757: if ($ENV{'browser.imagesuppress'} ne 'on') {
1758: $currentstring = $token->[4];
1759: } else {
1760: my $alttag= &Apache::lonxml::get_param
1761: ('alt',$parstack,$safeeval,undef,1);
1762: unless ($alttag) {
1763: $alttag=&Apache::lonmeta::alttag
1764: ($Apache::lonxml::pwd[-1],$src);
1765: }
1766: $currentstring='[IMAGE: '.$alttag.']';
1767: }
1768: } elsif ($target eq 'tex') {
1769: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1770: &image_replication($src);
1771:
1772: #if original gif/jpg/png file exist do following:
1773: if (-e $src) {
1774: #defines the default size of image
1775: my $image = Image::Magick->new;
1776: my $current_figure = $image->Read($src);
1777: $width_param = $image->Get('width') * $scaling;;
1778: $height_param = $image->Get('height') * $scaling;;
1779: undef $image;
1780: #do we have any specified size of the picture?
1781: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
1782: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
1783: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1784: undef,1);
1785: if ($TeXwidth ne '') {
1786: if ($TeXwidth=~/(\d+)\s*\%/) {
1787: $width_param = $1*$ENV{'form.textwidth'}/100;
1788: } else {
1789: $width_param = $TeXwidth;
1790: }
1791: } elsif ($TeXheight ne '') {
1792: $width_param = $TeXheight/$height_param*$width_param;
1793: } elsif ($width ne '') {
1794: $width_param = $width*$scaling;
1795: }
1796: my $file;
1797: my $path;
1798: if ($src =~ m!(.*)/([^/]*)$!) {
1799: $file = $2;
1800: $path = $1.'/';
1801: }
1802: my $newsrc = $src;
1803: $newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
1804: $file=~s/\.(gif|jpg|png)$/.eps/i;
1805: #where can we find the picture?
1806: if (-e $newsrc) {
1807: #eps counterpart for image exist
1808: if ($path) {
1809: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1810: }
1811: } else {
1812: #there is no eps counterpart for image - check for ps one
1813: $newsrc =~ s/\.eps$/\.ps/;
1814: if (-e $newsrc) {
1815: #ps counterpart for image exist
1816: $file =~ s/\.eps$/\.ps/;
1817: if ($path) {
1818: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1819: }
1820: } else {
1821: #there aren't eps or ps - so create eps
1822: my $temp_file;
1823: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
1824: $temp_file = Apache::File->new('>>'.$filename);
1825: print $temp_file "$src\n";
1826: $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1827: }
1828: }
1829: } else {
1830: #original image file doesn't exist so check the alt attribute
1831: my $alt =
1832: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
1833: unless ($alt) {
1834: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
1835: }
1836:
1837: if ($alt) {
1838: $currentstring .= ' '.$alt.' ';
1839: } else {
1840: #<allow> tag will care about replication
1841: }
1842: }
1843: }
1844: return $currentstring;
1845: }
1846:
1847: sub end_img {
1848: my ($target,$token) = @_;
1849: my $currentstring = '';
1850: if ($target eq 'web') {
1851: $currentstring = $token->[2];
1852: } elsif ($target eq 'tex') {
1853: $currentstring = '';
1854: }
1855: return $currentstring;
1856: }
1857:
1858: #-- <applet> tag
1859: sub start_applet {
1860: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1861:
1862: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
1863: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
1864:
1865: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
1866: undef,1);
1867: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
1868:
1869: my $currentstring = '';
1870: if ($target eq 'web') {
1871: if ($ENV{'browser.appletsuppress'} ne 'on') {
1872: $currentstring = $token->[4];
1873: } else {
1874: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
1875: $safeeval,undef,1);
1876: unless ($alttag) {
1877: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
1878: $code);
1879: }
1880: $currentstring='[APPLET: '.$alttag.']';
1881: }
1882: } elsif ($target eq 'tex') {
1883: $currentstring = " \\begin{figure} ";
1884: }
1885: return $currentstring;
1886: }
1887:
1888: sub end_applet {
1889: my ($target,$token) = @_;
1890: my $currentstring = '';
1891: if ($target eq 'web') {
1892: $currentstring = $token->[2];
1893: } elsif ($target eq 'tex') {
1894: $currentstring = " \\end{figure}";
1895: }
1896: return $currentstring;
1897: }
1898:
1899: #-- <embed> tag
1900: sub start_embed {
1901: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1902: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1903: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1904: my $currentstring = '';
1905: if ($target eq 'web') {
1906: if ($ENV{'browser.embedsuppress'} ne 'on') {
1907: $currentstring = $token->[4];
1908: } else {
1909: my $alttag=&Apache::lonxml::get_param
1910: ('alt',$parstack,$safeeval,undef,1);
1911: unless ($alttag) {
1912: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
1913: }
1914: $currentstring='[EMBED: '.$alttag.']';
1915: }
1916: } elsif ($target eq 'tex') {
1917: $currentstring = " \\begin{figure} ";
1918: }
1919: return $currentstring;
1920: }
1921:
1922: sub end_embed {
1923: my ($target,$token) = @_;
1924: my $currentstring = '';
1925: if ($target eq 'web') {
1926: $currentstring = $token->[2];
1927: } elsif ($target eq 'tex') {
1928: $currentstring = " \\end{figure}";
1929: }
1930: return $currentstring;
1931: }
1932:
1933: #-- <param> tag
1934: sub start_param {
1935: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1936: if (&Apache::lonxml::get_param
1937: ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
1938: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1939: &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
1940: }
1941: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1942: &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1943: my $currentstring = '';
1944: if ($target eq 'web') {
1945: $currentstring = $token->[4];
1946: } elsif ($target eq 'tex') {
1947: $currentstring = " \\begin{figure} ";
1948: }
1949: return $currentstring;
1950: }
1951:
1952: sub end_param {
1953: my ($target,$token) = @_;
1954: my $currentstring = '';
1955: if ($target eq 'web') {
1956: $currentstring = $token->[2];
1957: } elsif ($target eq 'tex') {
1958: $currentstring = " \\end{figure}";
1959: }
1960: return $currentstring;
1961: }
1962:
1963: #-- <allow> tag
1964: sub start_allow {
1965: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1966: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1967: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1968: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1969: &image_replication($src);
1970: my $result;
1971: if ($target eq 'edit') {
1972: $result .=&Apache::edit::tag_start($target,$token);
1973: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
1974: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
1975: } elsif ($target eq 'modified') {
1976: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1977: $safeeval,'src');
1978: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1979: }
1980: return $result;
1981: }
1982:
1983: sub end_allow {
1984: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1985: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
1986: return '';
1987: }
1988:
1989: #-- Frames
1990: sub start_frameset {
1991: my ($target,$token) = @_;
1992: my $currentstring = '';
1993: if ($target eq 'web') {
1994: if (!$Apache::lonxml::registered) {
1995: $currentstring.='<head>'.
1996: &Apache::lonmenu::registerurl(undef,$target).'</head>';
1997: }
1998: $currentstring .= $token->[4];
1999: }
2000: return $currentstring;
2001: }
2002:
2003: sub end_frameset {
2004: my ($target,$token) = @_;
2005: my $currentstring = '';
2006: if ($target eq 'web') {
2007: $currentstring = $token->[2];
2008: }
2009: return $currentstring;
2010: }
2011:
2012: #-- <pre>
2013: sub start_pre {
2014: my ($target,$token) = @_;
2015: my $currentstring = '';
2016: if ($target eq 'web') {
2017: $currentstring .= $token->[4];
2018: } elsif ($target eq 'tex') {
2019: $currentstring .= '\begin{verbatim}';
2020: }
2021: return $currentstring;
2022: }
2023:
2024: sub end_pre {
2025: my ($target,$token) = @_;
2026: my $currentstring = '';
2027: if ($target eq 'web') {
2028: $currentstring .= $token->[2];
2029: } elsif ($target eq 'tex') {
2030: $currentstring .= '\end{verbatim}';
2031: }
2032: return $currentstring;
2033: }
2034:
2035: #-- <insert>
2036: sub start_insert {
2037: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2038: my $currentstring = '';
2039: if ($target eq 'web') {
2040: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2041: $currentstring .= '<b>'.$display.'</b>';;
2042: }
2043: return $currentstring;
2044: }
2045:
2046: sub end_insert {
2047: my ($target,$token) = @_;
2048: my $currentstring = '';
2049: if ($target eq 'web') {
2050: $currentstring .= '';
2051: }
2052: return $currentstring;
2053: }
2054:
2055: #-- <externallink>
2056: sub start_externallink {
2057: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2058: my $currentstring = '';
2059: if ($target eq 'web') {
2060: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2061: $currentstring .= '<b>'.$display.'</b>';;
2062: }
2063: return $currentstring;
2064: }
2065:
2066: sub end_externallink {
2067: my ($target,$token) = @_;
2068: my $currentstring = '';
2069: if ($target eq 'web') {
2070: $currentstring .= '';
2071: }
2072: return $currentstring;
2073: }
2074:
2075: #-- <blankspace heigth="">
2076: sub start_blankspace {
2077: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2078: my $currentstring = '';
2079: if ($target eq 'tex') {
2080: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
2081: $currentstring .= '\vskip '.$howmuch.' ';
2082: }
2083: return $currentstring;
2084: }
2085:
2086: sub end_blankspace {
2087: my ($target,$token) = @_;
2088: my $currentstring = '';
2089: if ($target eq 'tex') {
2090: $currentstring .= '';
2091: }
2092: return $currentstring;
2093: }
2094:
2095: #-- <abbr> tag
2096: sub start_abbr {
2097: my ($target,$token) = @_;
2098: my $currentstring = '';
2099: if ($target eq 'web') {
2100: $currentstring = $token->[4];
2101: }
2102: return $currentstring;
2103: }
2104:
2105: sub end_abbr {
2106: my ($target,$token) = @_;
2107: my $currentstring = '';
2108: if ($target eq 'web') {
2109: $currentstring = $token->[2];
2110: }
2111: return $currentstring;
2112: }
2113:
2114: #-- <acronym> tag
2115: sub start_acronym {
2116: my ($target,$token) = @_;
2117: my $currentstring = '';
2118: if ($target eq 'web') {
2119: $currentstring = $token->[4];
2120: }
2121: return $currentstring;
2122: }
2123:
2124: sub end_acronym {
2125: my ($target,$token) = @_;
2126: my $currentstring = '';
2127: if ($target eq 'web') {
2128: $currentstring = $token->[2];
2129: }
2130: return $currentstring;
2131: }
2132:
2133: #-- <area> tag
2134: sub start_area {
2135: my ($target,$token) = @_;
2136: my $currentstring = '';
2137: if ($target eq 'web') {
2138: $currentstring = $token->[4];
2139: }
2140: return $currentstring;
2141: }
2142:
2143: sub end_area {
2144: my ($target,$token) = @_;
2145: my $currentstring = '';
2146: if ($target eq 'web') {
2147: $currentstring = $token->[2];
2148: }
2149: return $currentstring;
2150: }
2151:
2152: #-- <base> tag
2153: sub start_base {
2154: my ($target,$token) = @_;
2155: my $currentstring = '';
2156: if ($target eq 'web') {
2157: $currentstring = $token->[4];
2158: }
2159: return $currentstring;
2160: }
2161:
2162: sub end_base {
2163: my ($target,$token) = @_;
2164: my $currentstring = '';
2165: if ($target eq 'web') {
2166: $currentstring = $token->[2];
2167: }
2168: return $currentstring;
2169: }
2170:
2171: #-- <bdo> tag
2172: sub start_bdo {
2173: my ($target,$token) = @_;
2174: my $currentstring = '';
2175: if ($target eq 'web') {
2176: $currentstring = $token->[4];
2177: }
2178: return $currentstring;
2179: }
2180:
2181: sub end_bdo {
2182: my ($target,$token) = @_;
2183: my $currentstring = '';
2184: if ($target eq 'web') {
2185: $currentstring = $token->[2];
2186: }
2187: return $currentstring;
2188: }
2189:
2190: #-- <bgsound> tag
2191: sub start_bgsound {
2192: my ($target,$token) = @_;
2193: my $currentstring = '';
2194: if ($target eq 'web') {
2195: $currentstring = $token->[4];
2196: }
2197: return $currentstring;
2198: }
2199:
2200: sub end_bgsound {
2201: my ($target,$token) = @_;
2202: my $currentstring = '';
2203: if ($target eq 'web') {
2204: $currentstring = $token->[2];
2205: }
2206: return $currentstring;
2207: }
2208:
2209: #-- <blink> tag
2210: sub start_blink {
2211: my ($target,$token) = @_;
2212: my $currentstring = '';
2213: if ($target eq 'web') {
2214: $currentstring = $token->[4];
2215: }
2216: return $currentstring;
2217: }
2218:
2219: sub end_blink {
2220: my ($target,$token) = @_;
2221: my $currentstring = '';
2222: if ($target eq 'web') {
2223: $currentstring = $token->[2];
2224: }
2225: return $currentstring;
2226: }
2227:
2228: #-- <blockquote> tag
2229: sub start_blockquote {
2230: my ($target,$token) = @_;
2231: my $currentstring = '';
2232: if ($target eq 'web') {
2233: $currentstring = $token->[4];
2234: }
2235: return $currentstring;
2236: }
2237:
2238: sub end_blockquote {
2239: my ($target,$token) = @_;
2240: my $currentstring = '';
2241: if ($target eq 'web') {
2242: $currentstring = $token->[2];
2243: }
2244: return $currentstring;
2245: }
2246:
2247: #-- <button> tag
2248: sub start_button {
2249: my ($target,$token) = @_;
2250: my $currentstring = '';
2251: if ($target eq 'web') {
2252: $currentstring = $token->[4];
2253: }
2254: return $currentstring;
2255: }
2256:
2257: sub end_button {
2258: my ($target,$token) = @_;
2259: my $currentstring = '';
2260: if ($target eq 'web') {
2261: $currentstring = $token->[2];
2262: }
2263: return $currentstring;
2264: }
2265:
2266: #-- <caption> tag
2267: sub start_caption {
2268: my ($target,$token) = @_;
2269: my $currentstring = '';
2270: if ($target eq 'web') {
2271: $currentstring = $token->[4];
2272: }
2273: return $currentstring;
2274: }
2275:
2276: sub end_caption {
2277: my ($target,$token) = @_;
2278: my $currentstring = '';
2279: if ($target eq 'web') {
2280: $currentstring = $token->[2];
2281: }
2282: return $currentstring;
2283: }
2284:
2285: #-- <col> tag
2286: sub start_col {
2287: my ($target,$token) = @_;
2288: my $currentstring = '';
2289: if ($target eq 'web') {
2290: $currentstring = $token->[4];
2291: }
2292: return $currentstring;
2293: }
2294:
2295: sub end_col {
2296: my ($target,$token) = @_;
2297: my $currentstring = '';
2298: if ($target eq 'web') {
2299: $currentstring = $token->[2];
2300: }
2301: return $currentstring;
2302: }
2303:
2304: #-- <colgroup> tag
2305: sub start_colgroup {
2306: my ($target,$token) = @_;
2307: my $currentstring = '';
2308: if ($target eq 'web') {
2309: $currentstring = $token->[4];
2310: }
2311: return $currentstring;
2312: }
2313:
2314: sub end_colgroup {
2315: my ($target,$token) = @_;
2316: my $currentstring = '';
2317: if ($target eq 'web') {
2318: $currentstring = $token->[2];
2319: }
2320: return $currentstring;
2321: }
2322:
2323: #-- <del> tag
2324: sub start_del {
2325: my ($target,$token) = @_;
2326: my $currentstring = '';
2327: if ($target eq 'web') {
2328: $currentstring = $token->[4];
2329: }
2330: return $currentstring;
2331: }
2332:
2333: sub end_del {
2334: my ($target,$token) = @_;
2335: my $currentstring = '';
2336: if ($target eq 'web') {
2337: $currentstring = $token->[2];
2338: }
2339: return $currentstring;
2340: }
2341:
2342: #-- <fieldset> tag
2343: sub start_fieldset {
2344: my ($target,$token) = @_;
2345: my $currentstring = '';
2346: if ($target eq 'web') {
2347: $currentstring = $token->[4];
2348: }
2349: return $currentstring;
2350: }
2351:
2352: sub end_fieldset {
2353: my ($target,$token) = @_;
2354: my $currentstring = '';
2355: if ($target eq 'web') {
2356: $currentstring = $token->[2];
2357: }
2358: return $currentstring;
2359: }
2360:
2361: #-- <frame> tag
2362: sub start_frame {
2363: my ($target,$token) = @_;
2364: my $currentstring = '';
2365: if ($target eq 'web') {
2366: $currentstring = $token->[4];
2367: }
2368: return $currentstring;
2369: }
2370:
2371: sub end_frame {
2372: my ($target,$token) = @_;
2373: my $currentstring = '';
2374: if ($target eq 'web') {
2375: $currentstring = $token->[2];
2376: }
2377: return $currentstring;
2378: }
2379:
2380: #-- <iframe> tag
2381: sub start_iframe {
2382: my ($target,$token) = @_;
2383: my $currentstring = '';
2384: if ($target eq 'web') {
2385: $currentstring = $token->[4];
2386: }
2387: return $currentstring;
2388: }
2389:
2390: sub end_iframe {
2391: my ($target,$token) = @_;
2392: my $currentstring = '';
2393: if ($target eq 'web') {
2394: $currentstring = $token->[2];
2395: }
2396: return $currentstring;
2397: }
2398:
2399: #-- <ins> tag
2400: sub start_ins {
2401: my ($target,$token) = @_;
2402: my $currentstring = '';
2403: if ($target eq 'web') {
2404: $currentstring = $token->[4];
2405: }
2406: return $currentstring;
2407: }
2408:
2409: sub end_ins {
2410: my ($target,$token) = @_;
2411: my $currentstring = '';
2412: if ($target eq 'web') {
2413: $currentstring = $token->[2];
2414: }
2415: return $currentstring;
2416: }
2417:
2418: #-- <isindex> tag
2419: sub start_isindex {
2420: my ($target,$token) = @_;
2421: my $currentstring = '';
2422: if ($target eq 'web') {
2423: $currentstring = $token->[4];
2424: }
2425: return $currentstring;
2426: }
2427:
2428: sub end_isindex {
2429: my ($target,$token) = @_;
2430: my $currentstring = '';
2431: if ($target eq 'web') {
2432: $currentstring = $token->[2];
2433: }
2434: return $currentstring;
2435: }
2436:
2437: #-- <keygen> tag
2438: sub start_keygen {
2439: my ($target,$token) = @_;
2440: my $currentstring = '';
2441: if ($target eq 'web') {
2442: $currentstring = $token->[4];
2443: }
2444: return $currentstring;
2445: }
2446:
2447: sub end_keygen {
2448: my ($target,$token) = @_;
2449: my $currentstring = '';
2450: if ($target eq 'web') {
2451: $currentstring = $token->[2];
2452: }
2453: return $currentstring;
2454: }
2455:
2456: #-- <label> tag
2457: sub start_label {
2458: my ($target,$token) = @_;
2459: my $currentstring = '';
2460: if ($target eq 'web') {
2461: $currentstring = $token->[4];
2462: }
2463: return $currentstring;
2464: }
2465:
2466: sub end_label {
2467: my ($target,$token) = @_;
2468: my $currentstring = '';
2469: if ($target eq 'web') {
2470: $currentstring = $token->[2];
2471: }
2472: return $currentstring;
2473: }
2474:
2475: #-- <layer> tag
2476: sub start_layer {
2477: my ($target,$token) = @_;
2478: my $currentstring = '';
2479: if ($target eq 'web') {
2480: $currentstring = $token->[4];
2481: }
2482: return $currentstring;
2483: }
2484:
2485: sub end_layer {
2486: my ($target,$token) = @_;
2487: my $currentstring = '';
2488: if ($target eq 'web') {
2489: $currentstring = $token->[2];
2490: }
2491: return $currentstring;
2492: }
2493:
2494: #-- <legend> tag
2495: sub start_legend {
2496: my ($target,$token) = @_;
2497: my $currentstring = '';
2498: if ($target eq 'web') {
2499: $currentstring = $token->[4];
2500: }
2501: return $currentstring;
2502: }
2503:
2504: sub end_legend {
2505: my ($target,$token) = @_;
2506: my $currentstring = '';
2507: if ($target eq 'web') {
2508: $currentstring = $token->[2];
2509: }
2510: return $currentstring;
2511: }
2512:
2513: #-- <link> tag
2514: sub start_link {
2515: my ($target,$token) = @_;
2516: my $currentstring = '';
2517: if ($target eq 'web') {
2518: $currentstring = $token->[4];
2519: }
2520: return $currentstring;
2521: }
2522:
2523: sub end_link {
2524: my ($target,$token) = @_;
2525: my $currentstring = '';
2526: if ($target eq 'web') {
2527: $currentstring = $token->[2];
2528: }
2529: return $currentstring;
2530: }
2531:
2532: #-- <marquee> tag
2533: sub start_marquee {
2534: my ($target,$token) = @_;
2535: my $currentstring = '';
2536: if ($target eq 'web') {
2537: $currentstring = $token->[4];
2538: }
2539: return $currentstring;
2540: }
2541:
2542: sub end_marquee {
2543: my ($target,$token) = @_;
2544: my $currentstring = '';
2545: if ($target eq 'web') {
2546: $currentstring = $token->[2];
2547: }
2548: return $currentstring;
2549: }
2550:
2551: #-- <malticol> tag
2552: sub start_malticol {
2553: my ($target,$token) = @_;
2554: my $currentstring = '';
2555: if ($target eq 'web') {
2556: $currentstring = $token->[4];
2557: }
2558: return $currentstring;
2559: }
2560:
2561: sub end_malticol {
2562: my ($target,$token) = @_;
2563: my $currentstring = '';
2564: if ($target eq 'web') {
2565: $currentstring = $token->[2];
2566: }
2567: return $currentstring;
2568: }
2569:
2570: #-- <nobr> tag
2571: sub start_nobr {
2572: my ($target,$token) = @_;
2573: my $currentstring = '';
2574: if ($target eq 'web') {
2575: $currentstring = $token->[4];
2576: }
2577: return $currentstring;
2578: }
2579:
2580: sub end_nobr {
2581: my ($target,$token) = @_;
2582: my $currentstring = '';
2583: if ($target eq 'web') {
2584: $currentstring = $token->[2];
2585: }
2586: return $currentstring;
2587: }
2588:
2589: #-- <noembed> tag
2590: sub start_noembed {
2591: my ($target,$token) = @_;
2592: my $currentstring = '';
2593: if ($target eq 'web') {
2594: $currentstring = $token->[4];
2595: }
2596: return $currentstring;
2597: }
2598:
2599: sub end_noembed {
2600: my ($target,$token) = @_;
2601: my $currentstring = '';
2602: if ($target eq 'web') {
2603: $currentstring = $token->[2];
2604: }
2605: return $currentstring;
2606: }
2607:
2608: #-- <noframes> tag
2609: sub start_noframes {
2610: my ($target,$token) = @_;
2611: my $currentstring = '';
2612: if ($target eq 'web') {
2613: $currentstring = $token->[4];
2614: }
2615: return $currentstring;
2616: }
2617:
2618: sub end_noframes {
2619: my ($target,$token) = @_;
2620: my $currentstring = '';
2621: if ($target eq 'web') {
2622: $currentstring = $token->[2];
2623: }
2624: return $currentstring;
2625: }
2626:
2627: #-- <nolayer> tag
2628: sub start_nolayer {
2629: my ($target,$token) = @_;
2630: my $currentstring = '';
2631: if ($target eq 'web') {
2632: $currentstring = $token->[4];
2633: }
2634: return $currentstring;
2635: }
2636:
2637: sub end_nolayer {
2638: my ($target,$token) = @_;
2639: my $currentstring = '';
2640: if ($target eq 'web') {
2641: $currentstring = $token->[2];
2642: }
2643: return $currentstring;
2644: }
2645:
2646: #-- <noscript> tag
2647: sub start_noscript {
2648: my ($target,$token) = @_;
2649: my $currentstring = '';
2650: if ($target eq 'web') {
2651: $currentstring = $token->[4];
2652: }
2653: return $currentstring;
2654: }
2655:
2656: sub end_noscript {
2657: my ($target,$token) = @_;
2658: my $currentstring = '';
2659: if ($target eq 'web') {
2660: $currentstring = $token->[2];
2661: }
2662: return $currentstring;
2663: }
2664:
2665: #-- <object> tag
2666: sub start_object {
2667: my ($target,$token) = @_;
2668: my $currentstring = '';
2669: if ($target eq 'web') {
2670: $currentstring = $token->[4];
2671: }
2672: return $currentstring;
2673: }
2674:
2675: sub end_object {
2676: my ($target,$token) = @_;
2677: my $currentstring = '';
2678: if ($target eq 'web') {
2679: $currentstring = $token->[2];
2680: }
2681: return $currentstring;
2682: }
2683:
2684: #-- <optgroup> tag
2685: sub start_optgroup {
2686: my ($target,$token) = @_;
2687: my $currentstring = '';
2688: if ($target eq 'web') {
2689: $currentstring = $token->[4];
2690: }
2691: return $currentstring;
2692: }
2693:
2694: sub end_optgroup {
2695: my ($target,$token) = @_;
2696: my $currentstring = '';
2697: if ($target eq 'web') {
2698: $currentstring = $token->[2];
2699: }
2700: return $currentstring;
2701: }
2702:
2703: #-- <samp> tag
2704: sub start_samp {
2705: my ($target,$token) = @_;
2706: my $currentstring = '';
2707: if ($target eq 'web') {
2708: $currentstring = $token->[4];
2709: }
2710: return $currentstring;
2711: }
2712:
2713: sub end_samp {
2714: my ($target,$token) = @_;
2715: my $currentstring = '';
2716: if ($target eq 'web') {
2717: $currentstring = $token->[2];
2718: }
2719: return $currentstring;
2720: }
2721:
2722: #-- <server> tag
2723: sub start_server {
2724: my ($target,$token) = @_;
2725: my $currentstring = '';
2726: if ($target eq 'web') {
2727: $currentstring = $token->[4];
2728: }
2729: return $currentstring;
2730: }
2731:
2732: sub end_server {
2733: my ($target,$token) = @_;
2734: my $currentstring = '';
2735: if ($target eq 'web') {
2736: $currentstring = $token->[2];
2737: }
2738: return $currentstring;
2739: }
2740:
2741: #-- <spacer> tag
2742: sub start_spacer {
2743: my ($target,$token) = @_;
2744: my $currentstring = '';
2745: if ($target eq 'web') {
2746: $currentstring = $token->[4];
2747: }
2748: return $currentstring;
2749: }
2750:
2751: sub end_spacer {
2752: my ($target,$token) = @_;
2753: my $currentstring = '';
2754: if ($target eq 'web') {
2755: $currentstring = $token->[2];
2756: }
2757: return $currentstring;
2758: }
2759:
2760: #-- <span> tag
2761: sub start_span {
2762: my ($target,$token) = @_;
2763: my $currentstring = '';
2764: if ($target eq 'web') {
2765: $currentstring = $token->[4];
2766: }
2767: return $currentstring;
2768: }
2769:
2770: sub end_span {
2771: my ($target,$token) = @_;
2772: my $currentstring = '';
2773: if ($target eq 'web') {
2774: $currentstring = $token->[2];
2775: }
2776: return $currentstring;
2777: }
2778:
2779: #-- <tbody> tag
2780: sub start_tbody {
2781: my ($target,$token) = @_;
2782: my $currentstring = '';
2783: if ($target eq 'web') {
2784: $currentstring = $token->[4];
2785: }
2786: return $currentstring;
2787: }
2788:
2789: sub end_tbody {
2790: my ($target,$token) = @_;
2791: my $currentstring = '';
2792: if ($target eq 'web') {
2793: $currentstring = $token->[2];
2794: }
2795: return $currentstring;
2796: }
2797:
2798: #-- <tfoot> tag
2799: sub start_tfoot {
2800: my ($target,$token) = @_;
2801: my $currentstring = '';
2802: if ($target eq 'web') {
2803: $currentstring = $token->[4];
2804: }
2805: return $currentstring;
2806: }
2807:
2808: sub end_tfoot {
2809: my ($target,$token) = @_;
2810: my $currentstring = '';
2811: if ($target eq 'web') {
2812: $currentstring = $token->[2];
2813: }
2814: return $currentstring;
2815: }
2816:
2817: #-- <thead> tag
2818: sub start_thead {
2819: my ($target,$token) = @_;
2820: my $currentstring = '';
2821: if ($target eq 'web') {
2822: $currentstring = $token->[4];
2823: }
2824: return $currentstring;
2825: }
2826:
2827: sub end_thead {
2828: my ($target,$token) = @_;
2829: my $currentstring = '';
2830: if ($target eq 'web') {
2831: $currentstring = $token->[2];
2832: }
2833: return $currentstring;
2834: }
2835:
2836: #-- <var> tag
2837: sub start_var {
2838: my ($target,$token) = @_;
2839: my $currentstring = '';
2840: if ($target eq 'web') {
2841: $currentstring = $token->[4];
2842: }
2843: return $currentstring;
2844: }
2845:
2846: sub end_var {
2847: my ($target,$token) = @_;
2848: my $currentstring = '';
2849: if ($target eq 'web') {
2850: $currentstring = $token->[2];
2851: }
2852: return $currentstring;
2853: }
2854:
2855: #-- <wbr> tag
2856: sub start_wbr {
2857: my ($target,$token) = @_;
2858: my $currentstring = '';
2859: if ($target eq 'web') {
2860: $currentstring = $token->[4];
2861: }
2862: return $currentstring;
2863: }
2864:
2865: sub end_wbr {
2866: my ($target,$token) = @_;
2867: my $currentstring = '';
2868: if ($target eq 'web') {
2869: $currentstring = $token->[2];
2870: }
2871: return $currentstring;
2872: }
2873:
2874: sub image_replication {
2875: my $src = shift;
2876: if (not -e $src) {
2877: #replicates image itself
2878: &Apache::lonnet::repcopy($src);
2879: #replicates eps or ps
2880: my $newsrc = $src;
2881: $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
2882: if (not -e $newsrc) {
2883: if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
2884: $newsrc =~ s/\.eps$/\.ps/;
2885: &Apache::lonnet::repcopy($newsrc);
2886: }
2887: }
2888: }
2889: return '';
2890: }
2891:
2892: 1;
2893: __END__
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