1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # $Id: londefdef.pm,v 1.102 2002/11/15 15:14:12 sakharuk 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:
53: BEGIN {
54:
55: &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','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','u','ul','var','wbr'));
56:
57: }
58:
59: #======================= TAG SUBROUTINES =====================
60: #-- <output>
61: sub start_output {
62: my ($target) = @_;
63: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
64: return '';
65: }
66: sub end_output {
67: my ($target) = @_;
68: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
69: return '';
70: }
71: #-- <m> tag
72: sub start_m {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
74: my $currentstring = '';
75: if ($target eq 'web') {
76: $Apache::lonxml::prevent_entity_encode++;
77: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
78: $inside ='\\documentstyle{article}'.$inside;
79: &Apache::lonxml::debug("M is starting with:$inside:");
80: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
81: if ($eval eq 'on') {
82: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
83: #&Apache::lonxml::debug("M is evaulated to:$inside:");
84: }
85: $currentstring = &Apache::lontexconvert::converted(\$inside);
86: if ($Apache::lontexconvert::errorstring) {
87: &Apache::lonxml::warning("tth error: ".
88: $Apache::lontexconvert::errorstring);
89: $Apache::lontexconvert::errorstring='';
90: }
91: #&Apache::lonxml::debug("M is ends with:$currentstring:");
92: } elsif ($target eq 'tex') {
93: $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
94: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
95: } else {
96: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
97: }
98: return $currentstring;
99: }
100: sub end_m {
101: my ($target,$token) = @_;
102: my $currentstring = '';
103: if ($target eq 'web') {
104: $Apache::lonxml::prevent_entity_encode--;
105: } elsif ($target eq 'tex') {
106: $currentstring = "";
107: } elsif ($target eq 'meta') {
108: }
109: return $currentstring;
110: }
111: #-- <html> tag
112: sub start_html {
113: my ($target,$token) = @_;
114: my $currentstring = '';
115: if ($ENV{'browser.mathml'}) {
116: &tth::ttminit();
117: if ($ENV{'browser.unicode'}) {
118: &tth::ttmoptions('-L -u1');
119: } else {
120: &tth::ttmoptions('-L -u0');
121: }
122: } else {
123: &tth::tthinit();
124: if ($ENV{'browser.unicode'}) {
125: &tth::tthoptions('-L -u1');
126: } else {
127: &tth::tthoptions('-L -u0');
128: }
129: }
130: if ($target eq 'web') {
131: $currentstring = &Apache::lonxml::xmlbegin().
132: &Apache::lonxml::fontsettings();
133: } elsif ($target eq 'tex') {
134: @Apache::londefdef::table = ();
135: $currentstring .= '\documentclass[letterpaper]{article}
136: \newcommand{\keephidden}[1]{}
137: \renewcommand{\deg}{$^{\circ}$}
138: \usepackage[dvips]{graphicx}
139: \usepackage{epsfig}\usepackage{calc}
140: \newenvironment{choicelist}{\begin{enumerate}}{\end{enumerate}}';
141: }
142: return $currentstring;
143: }
144: sub end_html {
145: my ($target,$token) = @_;
146: my $currentstring = '';
147: if ($target eq 'web') {
148: $currentstring = &Apache::lonxml::xmlend();
149: }
150: return $currentstring;
151: }
152: #-- <head> tag
153: sub start_head {
154: my ($target,$token) = @_;
155: my $currentstring = '';
156: if ($target eq 'web') {
157: $currentstring = $token->[4];
158: }
159: return $currentstring;
160: }
161: sub end_head {
162: my ($target,$token) = @_;
163: my $currentstring = '';
164: if ($target eq 'web') {
165: $currentstring = &Apache::lonxml::registerurl(undef,$target).
166: $token->[2];
167: }
168: return $currentstring;
169: }
170: #-- <map> tag
171: sub start_map {
172: my ($target,$token) = @_;
173: my $currentstring = '';
174: if ($target eq 'web') {
175: $currentstring = $token->[4];
176: }
177: return $currentstring;
178: }
179: sub end_map {
180: my ($target,$token) = @_;
181: my $currentstring = '';
182: if ($target eq 'web') {
183: $currentstring = $token->[2];
184: }
185: return $currentstring;
186: }
187: #-- <select> tag
188: sub start_select {
189: my ($target,$token) = @_;
190: my $currentstring = '';
191: if ($target eq 'web') {
192: $currentstring = $token->[4];
193: }
194: return $currentstring;
195: }
196: sub end_select {
197: my ($target,$token) = @_;
198: my $currentstring = '';
199: if ($target eq 'web') {
200: $currentstring = $token->[2];
201: }
202: return $currentstring;
203: }
204: #-- <option> tag
205: sub start_option {
206: my ($target,$token) = @_;
207: my $currentstring = '';
208: if ($target eq 'web') {
209: $currentstring = $token->[4];
210: }
211: return $currentstring;
212: }
213: sub end_option {
214: my ($target,$token) = @_;
215: my $currentstring = '';
216: if ($target eq 'web') {
217: $currentstring = $token->[2];
218: }
219: return $currentstring;
220: }
221: #-- <input> tag
222: sub start_input {
223: my ($target,$token) = @_;
224: my $currentstring = '';
225: if ($target eq 'web') {
226: $currentstring = $token->[4];
227: }
228: return $currentstring;
229: }
230: sub end_input {
231: my ($target,$token) = @_;
232: my $currentstring = '';
233: if ($target eq 'web') {
234: $currentstring = $token->[2];
235: }
236: return $currentstring;
237: }
238: #-- <textarea> tag
239: sub start_textarea {
240: my ($target,$token) = @_;
241: my $currentstring = '';
242: if ($target eq 'web') {
243: $currentstring = $token->[4];
244: }
245: return $currentstring;
246: }
247: sub end_textarea {
248: my ($target,$token) = @_;
249: my $currentstring = '';
250: if ($target eq 'web') {
251: $currentstring = $token->[2];
252: }
253: return $currentstring;
254: }
255: #-- <form> tag
256: sub start_form {
257: my ($target,$token) = @_;
258: my $currentstring = '';
259: if ($target eq 'web') {
260: $currentstring = $token->[4];
261: }
262: return $currentstring;
263: }
264: sub end_form {
265: my ($target,$token) = @_;
266: my $currentstring = '';
267: if ($target eq 'web') {
268: $currentstring = $token->[2];
269: }
270: return $currentstring;
271: }
272: #-- <title> tag
273: sub start_title {
274: my ($target,$token) = @_;
275: my $currentstring = '';
276: if ($target eq 'web') {
277: $currentstring = $token->[4];
278: } elsif ($target eq 'tex') {
279: $currentstring .= '\keephidden{'
280: }
281: if ($target eq 'meta') {
282: $currentstring='<title>';
283: &start_output();
284: }
285: return $currentstring;
286: }
287: sub end_title {
288: my ($target,$token) = @_;
289: my $currentstring = '';
290: if ($target eq 'web') {
291: $currentstring = $token->[2];
292: } elsif ($target eq 'tex') {
293: $currentstring .= '}';
294: }
295: if ($target eq 'meta') {
296: &end_output();
297: $currentstring='</title>';
298: }
299: return $currentstring;
300: }
301: #-- <meta> tag
302: sub start_meta {
303: my ($target,$token,$tagstack,$parstack,$parser) = @_;
304: my $currentstring = '';
305: if ($target eq 'web') {
306: my $args='';
307: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
308: if ($args eq '') {
309: &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]);
310: } else {
311: $currentstring = $token->[4];
312: }
313: }
314: if ($target eq 'meta') {
315: unless ($token->[2]->{'http-equiv'}) {
316: my $name=$token->[2]->{'name'};
317: $name=~tr/A-Z/a-z/;
318: $name=~s/\s/\_/g;
319: if ($name) {
320: $currentstring='<'.$name.'>'.
321: $token->[2]->{'content'}.
322: '</'.$name.'>';
323: }
324: }
325: }
326: return $currentstring;
327: }
328: sub end_meta {
329: my ($target,$token,$tagstack,$parstack,$parser) = @_;
330: my $currentstring = '';
331: if ($target eq 'web') {
332: my $args='';
333: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
334: if ($args ne '') {
335: $currentstring = $token->[4];
336: }
337: }
338: return $currentstring;
339: }
340: #-- <body> tag
341: sub start_body {
342: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
343: my $currentstring = '';
344: if ($target eq 'web') {
345: if (!$Apache::lonxml::registered) {
346: $currentstring.='<head>'.
347: &Apache::lonxml::registerurl(undef,$target).'</head>';
348: }
349: my $onLoad='';
350: foreach my $key (keys(%{$token->[2]})) {
351: if ($key =~ /^onload$/i) {
352: $onLoad.=$token->[2]->{$key}.';';
353: delete($token->[2]->{$key});
354: }
355: }
356: $token->[2]->{'onLoad'}=&Apache::lonxml::loadevents().
357: ';'.$onLoad;
358: my $onUnload='';
359: foreach my $key (keys(%{$token->[2]})) {
360: if ($key =~ /^onunload$/i) {
361: $onUnload.=$token->[2]->{$key}.';';
362: delete($token->[2]->{$key});
363: }
364: }
365: $token->[2]->{'onUnload'}=&Apache::lonxml::unloadevents().
366: ';'.$onUnload;
367:
368: $currentstring .= '<'.$token->[1];
369: foreach (keys %{$token->[2]}) {
370: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
371: }
372: $currentstring.='>';
373: if ($ENV{'request.state'} ne 'published') {
374: $currentstring.=(<<EDITBUTTON);
375: <form method="post">
376: <input type="submit" name="editmode" value="Edit" />
377: </form>
378: EDITBUTTON
379: }
380: } elsif ($target eq 'tex') {
381: $currentstring = '\begin{document}';
382: }
383: return $currentstring;
384: }
385: sub end_body {
386: my ($target,$token) = @_;
387: my $currentstring = '';
388: if ($target eq 'web') {
389: $currentstring = $token->[2];
390: } elsif ($target eq 'tex') {
391: $currentstring = '\end{document}';
392: }
393: return $currentstring;
394: }
395: #-- <center> tag
396: sub start_center {
397: my ($target,$token) = @_;
398: my $currentstring = '';
399: if ($target eq 'web') {
400: $currentstring = $token->[4];
401: } elsif ($target eq 'tex') {
402: $currentstring = '\begin{center}';
403: } elsif ($target eq 'latexsource') {
404: $currentstring = '\begin{center}';
405: }
406: return $currentstring;
407: }
408: sub end_center {
409: my ($target,$token) = @_;
410: my $currentstring = '';
411: if ($target eq 'web') {
412: $currentstring = $token->[2];
413: } elsif ($target eq 'tex') {
414: $currentstring = '\end{center}';
415: } elsif ($target eq 'latexsource') {
416: $currentstring = '\end{center}';
417: }
418: return $currentstring;
419: }
420: #-- <b> tag
421: sub start_b {
422: my ($target,$token) = @_;
423: my $currentstring = '';
424: if ($target eq 'web') {
425: $currentstring = $token->[4];
426: } elsif ($target eq 'tex') {
427: $currentstring = '\textbf{';
428: } elsif ($target eq 'latexsource') {
429: $currentstring = '\textbf{';
430: }
431: return $currentstring;
432: }
433: sub end_b {
434: my ($target,$token) = @_;
435: my $currentstring = '';
436: if ($target eq 'web') {
437: $currentstring = $token->[2];
438: } elsif ($target eq 'tex') {
439: $currentstring = '}';
440:
441: } elsif ($target eq 'latexsource') {
442: $currentstring = '}';
443: }
444: return $currentstring;
445: }
446: #-- <strong> tag
447: sub start_strong {
448: my ($target,$token) = @_;
449: my $currentstring = '';
450: if ($target eq 'web') {
451: $currentstring = $token->[4];
452: } elsif ($target eq 'tex') {
453: $currentstring = '\textbf{';
454: } elsif ($target eq 'latexsource') {
455: $currentstring = '\textbf{';
456: }
457: return $currentstring;
458: }
459: sub end_strong {
460: my ($target,$token) = @_;
461: my $currentstring = '';
462: if ($target eq 'web') {
463:
464: $currentstring = $token->[2];
465: } elsif ($target eq 'tex') {
466: $currentstring = '}';
467: } elsif ($target eq 'latexsource') {
468: $currentstring = '}';
469: }
470: return $currentstring;
471: }
472: #-- <h1> tag
473: sub start_h1 {
474: my ($target,$token) = @_;
475: my $currentstring = '';
476: if ($target eq 'web') {
477: $currentstring .= $token->[4];
478: } elsif ($target eq 'tex') {
479: $currentstring .= '{\large \textbf{';
480: } elsif ($target eq 'meta') {
481: $currentstring='<subject>';
482: &start_output();
483: }
484: return $currentstring;
485: }
486: sub end_h1 {
487: my ($target,$token) = @_;
488: my $currentstring = '';
489: if ($target eq 'web') {
490: $currentstring .= $token->[2];
491: } elsif ($target eq 'tex') {
492: $currentstring .= '}}';
493: } elsif ($target eq 'meta') {
494: &end_output();
495: $currentstring='</subject>';
496: }
497: return $currentstring;
498: }
499: #-- <h2> tag
500: sub start_h2 {
501: my ($target,$token) = @_;
502: my $currentstring = '';
503: if ($target eq 'web') {
504: $currentstring .= $token->[4];
505: } elsif ($target eq 'tex') {
506: $currentstring .= '{\large \textbf{';
507: }
508: return $currentstring;
509: }
510: sub end_h2 {
511: my ($target,$token) = @_;
512: my $currentstring = '';
513: if ($target eq 'web') {
514: $currentstring .= $token->[2];
515: } elsif ($target eq 'tex') {
516: $currentstring .= '}}';
517: }
518: return $currentstring;
519: }
520: #-- <h3> tag
521: sub start_h3 {
522: my ($target,$token) = @_;
523: my $currentstring = '';
524: if ($target eq 'web') {
525: $currentstring .= $token->[4];
526: } elsif ($target eq 'tex') {
527: $currentstring .= '{\large \textbf{';
528: }
529: return $currentstring;
530: }
531: sub end_h3 {
532: my ($target,$token) = @_;
533: my $currentstring = '';
534: if ($target eq 'web') {
535: $currentstring .= $token->[2];
536: } elsif ($target eq 'tex') {
537: $currentstring .= '}}';
538: }
539: return $currentstring;
540: }
541: #-- <h4> tag
542: sub start_h4 {
543: my ($target,$token) = @_;
544: my $currentstring = '';
545: if ($target eq 'web') {
546: $currentstring .= $token->[4];
547: } elsif ($target eq 'tex') {
548: $currentstring .= '{\large \textbf{';
549: }
550: return $currentstring;
551: }
552: sub end_h4 {
553: my ($target,$token) = @_;
554: my $currentstring = '';
555: if ($target eq 'web') {
556: $currentstring .= $token->[2];
557: } elsif ($target eq 'tex') {
558: $currentstring .= '}}';
559: }
560: return $currentstring;
561: }
562: #-- <h5> tag
563: sub start_h5 {
564: my ($target,$token) = @_;
565: my $currentstring = '';
566: if ($target eq 'web') {
567: $currentstring .= $token->[4];
568: } elsif ($target eq 'tex') {
569: $currentstring .= '{\large \textbf{';
570: }
571: return $currentstring;
572: }
573: sub end_h5 {
574: my ($target,$token) = @_;
575: my $currentstring = '';
576: if ($target eq 'web') {
577: $currentstring .= $token->[2];
578: } elsif ($target eq 'tex') {
579: $currentstring .= '}}';
580: }
581: return $currentstring;
582: }
583: #-- <h6> tag
584: sub start_h6 {
585: my ($target,$token) = @_;
586: my $currentstring = '';
587: if ($target eq 'web') {
588: $currentstring .= $token->[4];
589: } elsif ($target eq 'tex') {
590: $currentstring .= '{\large \textbf{';
591: }
592: return $currentstring;
593: }
594: sub end_h6 {
595: my ($target,$token) = @_;
596: my $currentstring = '';
597: if ($target eq 'web') {
598: $currentstring .= $token->[2];
599: } elsif ($target eq 'tex') {
600: $currentstring .= '}}';
601: }
602: return $currentstring;
603: }
604: #--- <cite> tag
605: sub start_cite {
606: my ($target,$token) = @_;
607: my $currentstring = '';
608: if ($target eq 'web') {
609: $currentstring .= $token->[4];
610: } elsif ($target eq 'tex') {
611: $currentstring .= "\\textit{";
612: } elsif ($target eq 'latexsource') {
613: $currentstring .= "\\textit{";
614: }
615: return $currentstring;
616: }
617: sub end_cite {
618: my ($target,$token) = @_;
619: my $currentstring = '';
620: if ($target eq 'web') {
621: $currentstring .= $token->[2];
622: } elsif ($target eq 'tex') {
623: $currentstring .= "}";
624: } elsif ($target eq 'latexsource') {
625: $currentstring .= "}";
626: }
627: return $currentstring;
628: }
629: #-- <i> tag
630: sub start_i {
631: my ($target,$token) = @_;
632: my $currentstring = '';
633: if ($target eq 'web') {
634: $currentstring .= $token->[4];
635: } elsif ($target eq 'tex') {
636: $currentstring .= '\textit{';
637: } elsif ($target eq 'latexsource') {
638: $currentstring .= '\textit{';
639: }
640: return $currentstring;
641: }
642: sub end_i {
643: my ($target,$token) = @_;
644: my $currentstring = '';
645: if ($target eq 'web') {
646: $currentstring .= $token->[2];
647: } elsif ($target eq 'tex') {
648: $currentstring .= '}';
649: } elsif ($target eq 'latexsource') {
650: $currentstring .= '}';
651: }
652: return $currentstring;
653: }
654: #-- <address> tag
655: sub start_address {
656: my ($target,$token) = @_;
657: my $currentstring = '';
658: if ($target eq 'web') {
659: $currentstring .= $token->[4];
660: } elsif ($target eq 'tex') {
661: $currentstring .= "\\textit{";
662: } elsif ($target eq 'latexsource') {
663: $currentstring .= "\\textit{";
664: }
665: return $currentstring;
666: }
667: sub end_address {
668: my ($target,$token) = @_;
669: my $currentstring = '';
670: if ($target eq 'web') {
671: $currentstring .= $token->[2];
672: } elsif ($target eq 'tex') {
673: $currentstring .= "}";
674: } elsif ($target eq 'latexsource') {
675: $currentstring .= "}";
676: }
677: return $currentstring;
678: }
679: #-- <dfn> tag
680: sub start_dfn {
681: my ($target,$token) = @_;
682: my $currentstring = '';
683: if ($target eq 'web') {
684: $currentstring .= $token->[4];
685: } elsif ($target eq 'tex') {
686: $currentstring .= "\\textit{";
687: } elsif ($target eq 'latexsource') {
688: $currentstring .= "\\textit{";
689: }
690: return $currentstring;
691: }
692: sub end_dfn {
693: my ($target,$token) = @_;
694: my $currentstring = '';
695: if ($target eq 'web') {
696: $currentstring .= $token->[2];
697: } elsif ($target eq 'tex') {
698: $currentstring .= "}";
699: } elsif ($target eq 'latexsource') {
700: $currentstring .= "}";
701: }
702: return $currentstring;
703: }
704: #-- <tt> tag
705: sub start_tt {
706: my ($target,$token) = @_;
707: my $currentstring = '';
708: if ($target eq 'web') {
709: $currentstring .= $token->[4];
710: } elsif ($target eq 'tex') {
711: $currentstring .= '\texttt{';
712: } elsif ($target eq 'latexsource') {
713: $currentstring .= '\texttt{';
714: }
715: return $currentstring;
716: }
717: sub end_tt {
718: my ($target,$token) = @_;
719: my $currentstring = '';
720: if ($target eq 'web') {
721: $currentstring .= $token->[2];
722: } elsif ($target eq 'tex') {
723: $currentstring .= '}';
724: } elsif ($target eq 'latexsource') {
725: $currentstring .= '}';
726: }
727: return $currentstring;
728: }
729: #-- <kbd> tag
730: sub start_kbd {
731: my ($target,$token) = @_;
732: my $currentstring = '';
733: if ($target eq 'web') {
734: $currentstring .= $token->[4];
735: } elsif ($target eq 'tex') {
736: $currentstring .= "\\texttt";
737: } elsif ($target eq 'latexsource') {
738: $currentstring .= "\\texttt{";
739: }
740: return $currentstring;
741: }
742: sub end_kbd {
743: my ($target,$token) = @_;
744: my $currentstring = '';
745: if ($target eq 'web') {
746: $currentstring .= $token->[2];
747: } elsif ($target eq 'tex') {
748: $currentstring .= "}";
749: } elsif ($target eq 'latexsource') {
750: $currentstring .= "}";
751: }
752: return $currentstring;
753: }
754: #-- <code> tag
755: sub start_code {
756: my ($target,$token) = @_;
757: my $currentstring = '';
758: if ($target eq 'web') {
759: $currentstring .= $token->[4];
760: } elsif ($target eq 'tex') {
761: $currentstring .= '\texttt{';
762: }
763: return $currentstring;
764: }
765: sub end_code {
766: my ($target,$token) = @_;
767: my $currentstring = '';
768: if ($target eq 'web') {
769: $currentstring .= $token->[2];
770: } elsif ($target eq 'tex') {
771: $currentstring .= '}';
772: }
773: return $currentstring;
774: }
775: #-- <em> tag
776: sub start_em {
777: my ($target,$token) = @_;
778: my $currentstring = '';
779: if ($target eq 'web') {
780: $currentstring .= $token->[4];
781: } elsif ($target eq 'tex') {
782: $currentstring .= '\emph{';
783: } elsif ($target eq 'latexsource') {
784: $currentstring .= '\emph{';
785: }
786: return $currentstring;
787: }
788: sub end_em {
789: my ($target,$token) = @_;
790: my $currentstring = '';
791: if ($target eq 'web') {
792: $currentstring .= $token->[2];
793: } elsif ($target eq 'tex') {
794: $currentstring .= '}';
795: } elsif ($target eq 'latexsource') {
796: $currentstring .= '}';
797: }
798: return $currentstring;
799: }
800: #-- <q> tag
801: sub start_q {
802: my ($target,$token) = @_;
803: my $currentstring = '';
804: if ($target eq 'web') {
805: $currentstring .= $token->[4];
806: } elsif ($target eq 'tex') {
807: $currentstring .= "\\emph{";
808: } elsif ($target eq 'latexsource') {
809: $currentstring .= "\\emph{";
810: }
811: return $currentstring;
812: }
813: sub end_q {
814: my ($target,$token) = @_;
815: my $currentstring = '';
816: if ($target eq 'web') {
817: $currentstring .= $token->[2];
818: } elsif ($target eq 'tex') {
819: $currentstring .= "}";
820: } elsif ($target eq 'latexsource') {
821: $currentstring .= "}";
822: }
823: return $currentstring;
824: }
825: #-- <p> tag
826: sub start_p {
827: my ($target,$token) = @_;
828: my $currentstring = '';
829: if ($target eq 'web') {
830: $currentstring .= $token->[4];
831: } elsif ($target eq 'tex') {
832: $currentstring .= '{\par ';
833: } elsif ($target eq 'latexsource') {
834: $currentstring .= '{\par ';
835: }
836: return $currentstring;
837: }
838: sub end_p {
839: my ($target,$token) = @_;
840: my $currentstring = '';
841: if ($target eq 'web') {
842: $currentstring .= $token->[2];
843: } elsif ($target eq 'tex') {
844: $currentstring .= '}';
845: } elsif ($target eq 'latexsource') {
846: $currentstring .= '}';
847: }
848: return $currentstring;
849: }
850: #-- <br> tag
851: sub start_br {
852: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
853: my $currentstring = '';
854: if ($target eq 'web') {
855: $currentstring .= $token->[4];
856: } elsif ($target eq 'tex') {
857: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
858: $currentstring .= '\vskip 0.2 mm';
859: }
860: } elsif ($target eq 'latexsource') {
861: $currentstring .= '\\';
862: }
863: return $currentstring;
864: }
865: sub end_br {
866: my ($target,$token) = @_;
867: my $currentstring = '';
868: if ($target eq 'web') {
869: $currentstring .= $token->[2];
870: }
871: return $currentstring;
872: }
873: #-- <big> tag
874: sub start_big {
875: my ($target,$token) = @_;
876: my $currentstring = '';
877: if ($target eq 'web') {
878: $currentstring .= $token->[4];
879: } elsif ($target eq 'tex') {
880: $currentstring .= '\large{';
881: } elsif ($target eq 'latexsource') {
882: $currentstring .= '{\Large ';
883: }
884: return $currentstring;
885: }
886: sub end_big {
887: my ($target,$token) = @_;
888: my $currentstring = '';
889: if ($target eq 'web') {
890: $currentstring .= $token->[2];
891: } elsif ($target eq 'tex') {
892: $currentstring .= '}';
893: } elsif ($target eq 'latexsource') {
894: $currentstring .= '}';
895: }
896: return $currentstring;
897: }
898: #-- <small> tag
899: sub start_small {
900: my ($target,$token) = @_;
901: my $currentstring = '';
902: if ($target eq 'web') {
903: $currentstring .= $token->[4];
904: } elsif ($target eq 'tex') {
905: $currentstring .= '{\footnotesize ';
906: } elsif ($target eq 'latexsource') {
907: $currentstring .= '{\footnotesize ';
908: }
909: return $currentstring;
910: }
911: sub end_small {
912: my ($target,$token) = @_;
913: my $currentstring = '';
914: if ($target eq 'web') {
915: $currentstring .= $token->[2];
916: } elsif ($target eq 'tex') {
917: $currentstring .= '}';
918: } elsif ($target eq 'latexsource') {
919: $currentstring .= '}';
920: }
921: return $currentstring;
922: }
923: #-- <basefont> tag
924: sub start_basefont {
925: my ($target,$token) = @_;
926: my $currentstring = '';
927: if ($target eq 'web') {
928: $currentstring = $token->[4];
929: }
930: return $currentstring;
931: }
932: sub end_basefont {
933: my ($target,$token) = @_;
934: my $currentstring = '';
935: if ($target eq 'web') {
936: $currentstring = $token->[4];
937: }
938: return $currentstring;
939: }
940: #-- <font> tag
941: sub start_font {
942: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
943: my $currentstring = '';
944: if ($target eq 'web') {
945: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
946: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
947: $currentstring = $token->[4];
948: }
949: return $currentstring;
950: }
951: sub end_font {
952: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
953: my $currentstring = '';
954: if ($target eq 'web') {
955: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
956: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
957: $currentstring = $token->[2];
958: }
959: return $currentstring;
960: }
961: #-- <strike> tag
962: sub start_strike {
963: my ($target,$token) = @_;
964: my $currentstring = '';
965: if ($target eq 'web') {
966: $currentstring .= $token->[4];
967: } elsif ($target eq 'tex') {
968: $currentstring .= '\underline{';
969: }
970: return $currentstring;
971: }
972: sub end_strike {
973: my ($target,$token) = @_;
974: my $currentstring = '';
975: if ($target eq 'web') {
976: $currentstring .= $token->[2];
977: } elsif ($target eq 'tex') {
978: $currentstring .= '}';
979: }
980: return $currentstring;
981: }
982: #-- <s> tag
983: sub start_s {
984: my ($target,$token) = @_;
985: my $currentstring = '';
986: if ($target eq 'web') {
987: $currentstring .= $token->[4];
988: } elsif ($target eq 'tex') {
989: $currentstring .= '\underline{';
990: }
991: return $currentstring;
992: }
993: sub end_s {
994: my ($target,$token) = @_;
995: my $currentstring = '';
996: if ($target eq 'web') {
997: $currentstring .= $token->[2];
998: } elsif ($target eq 'tex') {
999: $currentstring .= '}';
1000: }
1001: return $currentstring;
1002: }
1003: #-- <sub> tag
1004: sub start_sub {
1005: my ($target,$token) = @_;
1006: my $currentstring = '';
1007: if ($target eq 'web') {
1008: $currentstring .= $token->[4];
1009: } elsif ($target eq 'tex') {
1010: $currentstring .= "\$_{ ";
1011: }
1012: return $currentstring;
1013: }
1014: sub end_sub {
1015: my ($target,$token) = @_;
1016: my $currentstring = '';
1017: if ($target eq 'web') {
1018: $currentstring .= $token->[2];
1019: } elsif ($target eq 'tex') {
1020: $currentstring .= " }\$";
1021: }
1022: return $currentstring;
1023: }
1024: #-- <sup> tag
1025: sub start_sup {
1026: my ($target,$token) = @_;
1027: my $currentstring = '';
1028: if ($target eq 'web') {
1029: $currentstring .= $token->[4];
1030: } elsif ($target eq 'tex') {
1031: $currentstring .= "\$^{ ";
1032: }
1033: return $currentstring;
1034: }
1035: sub end_sup {
1036: my ($target,$token) = @_;
1037: my $currentstring = '';
1038: if ($target eq 'web') {
1039: $currentstring .= $token->[2];
1040: } elsif ($target eq 'tex') {
1041: $currentstring .= " }\$";
1042: }
1043: return $currentstring;
1044: }
1045: #-- <hr> tag
1046: sub start_hr {
1047: my ($target,$token) = @_;
1048: my $currentstring = '';
1049: if ($target eq 'web') {
1050: $currentstring .= $token->[4];
1051: } elsif ($target eq 'tex') {
1052: $currentstring .= '\vskip 0 mm \noindent\makebox[\textwidth/2 ][b]{\hrulefill}\vskip 0 mm ';
1053: }
1054: return $currentstring;
1055: }
1056: sub end_hr {
1057: my ($target,$token) = @_;
1058: my $currentstring = '';
1059: if ($target eq 'web') {
1060: $currentstring .= $token->[2];
1061: } elsif ($target eq 'tex') {
1062: }
1063: return $currentstring;
1064: }
1065: #-- <div> tag
1066: sub start_div {
1067: my ($target,$token) = @_;
1068: my $currentstring = '';
1069: if ($target eq 'web') {
1070: $currentstring .= $token->[4];
1071: }
1072: return $currentstring;
1073: }
1074: sub end_div {
1075: my ($target,$token) = @_;
1076: my $currentstring = '';
1077: if ($target eq 'web') {
1078: $currentstring .= $token->[2];
1079: }
1080: return $currentstring;
1081: }
1082: #-- <a> tag
1083: sub start_a {
1084: my ($target,$token) = @_;
1085: my $currentstring = '';
1086: if ($target eq 'web') {
1087: $currentstring .= $token->[4];
1088: } elsif ($target eq 'tex') {
1089: }
1090: return $currentstring;
1091: }
1092: sub end_a {
1093: my ($target,$token,$tagstack,$stackref) = @_;
1094: my $currentstring = '';
1095: if ($target eq 'web') {
1096: $currentstring .= $token->[2];
1097: } elsif ($target eq 'tex') {
1098: my $tempor_var = $stackref->[$#$stackref];
1099: if (index($tempor_var,'name') != -1 ) {
1100: $tempor_var =~ s/name=([^,]*),/$1/g;
1101: } elsif (index($tempor_var,'href') != -1 ) {
1102: $tempor_var =~ s/href=([^,]*),/$1/g;
1103: $currentstring .= " \\ref{$tempor_var}";
1104: }
1105: }
1106: return $currentstring;
1107: }
1108: #-- <li> tag
1109: sub start_li {
1110: my ($target,$token,$tagstack,$stackref) = @_;
1111: my $currentstring = '';
1112: if ($target eq 'web') {
1113: $currentstring = $token->[4];
1114: } elsif ($target eq 'tex') {
1115: my $tempor_var = $stackref->[$#$stackref];
1116: if (index($tempor_var,'circle') != -1 ) {
1117: $currentstring .= " \\item[o] ";
1118: } elsif (index($tempor_var,'square') != -1 ) {
1119: $currentstring .= " \\item[$\Box$] ";
1120: } elsif ($tempor_var ne '') {
1121: $_ = $tempor_var;
1122: m/my\s*([^=]*)=/;
1123: $currentstring .= " \\item[$1] ";
1124: } else {
1125: $currentstring .= " \\item ";
1126: }
1127: }
1128: return $currentstring;
1129: }
1130: sub end_li {
1131: my ($target,$token) = @_;
1132: my $currentstring = '';
1133: if ($target eq 'web') {
1134: $currentstring = $token->[2];
1135: }
1136: return $currentstring;
1137: }
1138: #-- <u> tag
1139: sub start_u {
1140: my ($target,$token) = @_;
1141: my $currentstring = '';
1142: if ($target eq 'web') {
1143: $currentstring .= $token->[4];
1144: } elsif ($target eq 'tex') {
1145: $currentstring .= '\underline{';
1146: }
1147: return $currentstring;
1148: }
1149: sub end_u {
1150: my ($target,$token) = @_;
1151: my $currentstring = '';
1152: if ($target eq 'web') {
1153: $currentstring .= $token->[2];
1154: } elsif ($target eq 'tex') {
1155: $currentstring .= '}';
1156: }
1157: return $currentstring;
1158: }
1159: #-- <ul> tag
1160: sub start_ul {
1161: my ($target,$token) = @_;
1162: my $currentstring = '';
1163: if ($target eq 'web') {
1164: $currentstring = $token->[4];
1165: } elsif ($target eq 'tex') {
1166: $currentstring = '\begin{itemize}';
1167: }
1168: return $currentstring;
1169: }
1170: sub end_ul {
1171: my ($target,$token) = @_;
1172: my $currentstring = '';
1173: if ($target eq 'web') {
1174: $currentstring = $token->[2];
1175: } elsif ($target eq 'tex') {
1176: $currentstring = '\end{itemize}';
1177: }
1178: return $currentstring;
1179: }
1180: #-- <menu> tag
1181: sub start_menu {
1182: my ($target,$token) = @_;
1183: my $currentstring = '';
1184: if ($target eq 'web') {
1185: $currentstring = $token->[4];
1186: } elsif ($target eq 'tex') {
1187: $currentstring = " \\begin{itemize} ";
1188: }
1189: return $currentstring;
1190: }
1191: sub end_menu {
1192: my ($target,$token) = @_;
1193: my $currentstring = '';
1194: if ($target eq 'web') {
1195: $currentstring = $token->[2];
1196: } elsif ($target eq 'tex') {
1197: $currentstring = " \\end{itemize}";
1198: }
1199: return $currentstring;
1200: }
1201: #-- <dir> tag
1202: sub start_dir {
1203: my ($target,$token) = @_;
1204: my $currentstring = '';
1205: if ($target eq 'web') {
1206: $currentstring = $token->[4];
1207: } elsif ($target eq 'tex') {
1208: $currentstring = " \\begin{itemize} ";
1209: }
1210: return $currentstring;
1211: }
1212: sub end_dir {
1213: my ($target,$token) = @_;
1214: my $currentstring = '';
1215: if ($target eq 'web') {
1216: $currentstring = $token->[2];
1217: } elsif ($target eq 'tex') {
1218: $currentstring = " \\end{itemize}";
1219: }
1220: return $currentstring;
1221: }
1222: #-- <ol> tag
1223: sub start_ol {
1224: my ($target,$token) = @_;
1225: my $currentstring = '';
1226: if ($target eq 'web') {
1227: $currentstring = $token->[4];
1228: } elsif ($target eq 'tex') {
1229: $currentstring = '\begin{enumerate}';
1230: }
1231: return $currentstring;
1232: }
1233: sub end_ol {
1234: my ($target,$token) = @_;
1235: my $currentstring = '';
1236: if ($target eq 'web') {
1237: $currentstring = $token->[2];
1238: } elsif ($target eq 'tex') {
1239: $currentstring = '\end{enumerate}';
1240: }
1241: return $currentstring;
1242: }
1243: #-- <dl> tag
1244: sub start_dl {
1245: my ($target,$token) = @_;
1246: my $currentstring = '';
1247: if ($target eq 'web') {
1248: $currentstring = $token->[4];
1249: } elsif ($target eq 'tex') {
1250: $currentstring = '\begin{description}';
1251: }
1252: return $currentstring;
1253: }
1254: sub end_dl {
1255: my ($target,$token) = @_;
1256: my $currentstring = '';
1257: if ($target eq 'web') {
1258: $currentstring = $token->[2];
1259: } elsif ($target eq 'tex') {
1260: $currentstring = '\end{description}';
1261: }
1262: return $currentstring;
1263: }
1264: #-- <dt> tag
1265: sub start_dt {
1266: my ($target,$token) = @_;
1267: my $currentstring = '';
1268: if ($target eq 'web') {
1269: $currentstring = $token->[4];
1270: } elsif ($target eq 'tex') {
1271: $currentstring = '\item[';
1272: }
1273: return $currentstring;
1274: }
1275: sub end_dt {
1276: my ($target,$token) = @_;
1277: my $currentstring = '';
1278: if ($target eq 'web') {
1279: $currentstring = $token->[2];
1280: } elsif ($target eq 'tex') {
1281: $currentstring = ']';
1282: }
1283: return $currentstring;
1284: }
1285: #-- <dd> tag
1286: sub start_dd {
1287: my ($target,$token) = @_;
1288: my $currentstring = '';
1289: if ($target eq 'web') {
1290: $currentstring = $token->[4];
1291: }
1292: return $currentstring;
1293: }
1294: sub end_dd {
1295: my ($target,$token) = @_;
1296: my $currentstring = '';
1297: if ($target eq 'web') {
1298: $currentstring = $token->[2];
1299: }
1300: return $currentstring;
1301: }
1302: #-- <table> tag
1303: sub start_table {
1304: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1305: my $currentstring = '';
1306: if ($target eq 'web') {
1307: $currentstring = $token->[4];
1308: } elsif ($target eq 'tex') {
1309: my $aa = {};
1310: push @Apache::londefdef::table, $aa;
1311: $Apache::londefdef::table[-1]{'row_number'} = -1;
1312: $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
1313: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
1314: unless (defined $border) { $border = 0; }
1315: if ($border) {
1316: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1317: $Apache::londefdef::table[-1]{'vinc'} = '&';
1318: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1319: } else {
1320: $Apache::londefdef::table[-1]{'hinc'} = '';
1321: $Apache::londefdef::table[-1]{'vinc'} = '&';
1322: $Apache::londefdef::table[-1]{'vvinc'} = '';
1323: }
1324: my $width;
1325: foreach my $key (keys(%{$token->[2]})) {
1326: if ($key =~ /^width$/i) {
1327: $width = &Apache::lonxml::get_param($key,$parstack,$safeeval,undef,1);
1328: }
1329: }
1330: if (defined($width)) { $Apache::londefdef::table[-1]{'width'}=$width; }
1331: }
1332: return $currentstring;
1333: }
1334: sub end_table {
1335: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1336: my $currentstring = '';
1337: if ($target eq 'web') {
1338: $currentstring = $token->[2];
1339: } elsif ($target eq 'tex') {
1340: my $inmemory = '';
1341: my $output = '';
1342: #construct header of the table
1343: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1344: my $in;
1345: for ($in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
1346: $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
1347: }
1348: $header_of_table .= '}';
1349: #fill the table
1350: for ($in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1351: $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
1352: chop $output;
1353: $output .= ' \\\\ ';
1354: }
1355: #define the length of the table cells
1356: my @lengthforoutput = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
1357: my $how_many_columns = $#lengthforoutput + 1; #total number of columns in the table
1358: my $filled_columns = 0; #number of columns with information about width
1359: my $available_space = ' ';
1360: foreach my $tempo_length (@{ $Apache::londefdef::table[-1]{'lengthrow'} }) {
1361: my @length = split(/,/,$tempo_length);
1362: for (my $ico=0;$ico<=$#lengthforoutput;$ico++) {
1363: $lengthforoutput[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/;
1364: my $old_value = $1;
1365: my $old_unit = $2;
1366: if ($old_unit eq 'cm') {
1367: $old_value = $old_value * 10;
1368: } elsif ($old_unit eq 'in') {
1369: $old_value = $old_value * 25.4;
1370: } elsif ($old_unit eq 'pt') {
1371: $old_value = $old_value * 25.4/72.27;
1372: } elsif ($old_unit eq 'pc') {
1373: $old_value = $old_value * 25.4/6.022;
1374: }
1375: $old_unit = 'mm';
1376: $length[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/;
1377: my $new_value = $1;
1378: my $new_unit = $2;
1379: if ($new_unit eq 'cm') {
1380: $new_value = $new_value * 10;
1381: } elsif ($old_unit eq 'in') {
1382: $new_value = $new_value * 25.4;
1383: } elsif ($old_unit eq 'pt') {
1384: $new_value = $new_value * 25.4/72.27;
1385: } elsif ($old_unit eq 'pc') {
1386: $new_value = $new_value * 25.4/6.022;
1387: }
1388: $new_unit = 'mm';
1389: if ($old_value < $new_value) {
1390: $lengthforoutput[$ico] = $new_value.' mm';
1391: } else {
1392: $lengthforoutput[$ico] = $old_value.' mm';
1393: }
1394: }
1395: }
1396: for (my $ico=0;$ico<=$#lengthforoutput;$ico++) {
1397: if (not $lengthforoutput[$ico]=~m/^\s*0\s*\w*\s*$/) {
1398: $filled_columns++;
1399: $available_space = $available_space.' - '.$lengthforoutput[$ico];
1400: }
1401: }
1402: my $temp_file;
1403: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.tbl";
1404: if (-e $filename) {
1405: $temp_file = Apache::File->new($filename);
1406: my @tbl_file_content = <$temp_file>;
1407: my ($one,$two,$three) = split(/,/,$tbl_file_content[0]);
1408: $how_many_columns+=$one-1;
1409: $filled_columns+=$two;
1410: if($three=~/\S/) {$available_space = $available_space.' - '.$three;}
1411: } else {
1412: $temp_file = Apache::File->new('>>'.$filename);
1413: }
1414: print $temp_file "$how_many_columns,$filled_columns,$available_space\n";
1415: $output =~ s/\\parbox{TOBECHANGEDONNUMBER}{}/\\parbox{1 mm}{}/g;
1416: $output =~ s/\\parbox{TOBECHANGEDONNUMBER}/\\parbox{\$SpacePerColumn}/g;
1417: my @tagar = @$tagstack;
1418: my $signature = 1;
1419: for (my $ico=0;$ico<$#tagar;$ico++) {
1420: if ($tagar[$ico] eq 'table') { $signature = 0; }
1421: }
1422: if ($signature) {
1423: my $NumberEmptyLength = $how_many_columns - $filled_columns;
1424: my $SpacePerColumn = '(\textwidth '.$available_space.')/'.$NumberEmptyLength;
1425: my $shorthand = ($filled_columns+1)*4;
1426: $output =~ s/\$SpacePerColumn/$SpacePerColumn - $shorthand mm/g;
1427: }
1428: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
1429: if ($#Apache::londefdef::table > 0) {
1430: $inmemory = $Apache::londefdef::table[-1]{'output'};
1431: pop @Apache::londefdef::table;
1432: $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}] .= $inmemory
1433: } else {
1434: $currentstring = $Apache::londefdef::table[-1]{'output'};
1435: $currentstring =~ s/\\\\\s+\\\\/\\\\/g;
1436: pop @Apache::londefdef::table;
1437: if (-e $filename) {
1438: unlink $filename;
1439: }
1440: }
1441: }
1442: return $currentstring;
1443: }
1444: #-- <tr> tag
1445: sub start_tr {
1446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1447: my $currentstring = '';
1448: if ($target eq 'web') {
1449: $currentstring = $token->[4];
1450: } elsif ($target eq 'tex') {
1451: $Apache::londefdef::table[-1]{'row_number'}++;
1452: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1453: if ($alignchar ne '') {
1454: push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
1455: } else {
1456: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
1457: }
1458: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1459: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1460: $Apache::londefdef::table[-1]{'length'} = '';
1461: }
1462: return $currentstring;
1463: }
1464: sub end_tr {
1465: my ($target,$token) = @_;
1466: my $currentstring = '';
1467: if ($target eq 'web') {
1468: $currentstring = $token->[2];
1469: } elsif ($target eq 'tex') {
1470: push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
1471:
1472: }
1473: return $currentstring;
1474: }
1475: #-- <td> tag
1476: sub start_td {
1477: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1478: my $currentstring = '';
1479: if ($target eq 'web') {
1480: $currentstring = $token->[4];
1481: } elsif ($target eq 'tex') {
1482: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1483: if ($what_to_push eq '') {
1484: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1485: }
1486: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1487: $Apache::londefdef::table[-1]{'counter_columns'}++;
1488: &Apache::lonxml::startredirection();
1489: ;
1490: }
1491: return $currentstring;
1492: }
1493: sub end_td {
1494: my ($target,$token) = @_;
1495: my $currentstring = '';
1496: my $tempolen = '';
1497: if ($target eq 'web') {
1498: $currentstring = $token->[2];
1499: } elsif ($target eq 'tex') {
1500: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1501: my $data=&Apache::lonxml::endredirection();
1502: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt))/) {
1503: $Apache::londefdef::table[-1]{'length'} .= $1.',';
1504: $tempolen = $1;
1505: } else {
1506: if (length($data)<5) {
1507: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1508: $tempolen = '5 mm';
1509: } else {
1510: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1511: $tempolen = 'TOBECHANGEDONNUMBER';
1512: }
1513: }
1514: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$tempolen.'}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1515: }
1516: return $currentstring;
1517: }
1518: #-- <th> tag
1519: sub start_th {
1520: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1521: my $currentstring = '';
1522: if ($target eq 'web') {
1523: $currentstring = $token->[4];
1524: } elsif ($target eq 'tex') {
1525: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1526: if ($what_to_push eq '') {
1527: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1528: }
1529: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1530: $Apache::londefdef::table[-1]{'counter_columns'}++;
1531: &Apache::lonxml::startredirection();
1532: ;
1533: }
1534: return $currentstring;
1535: }
1536: sub end_th {
1537: my ($target,$token) = @_;
1538: my $currentstring = '';
1539: if ($target eq 'web') {
1540: $currentstring = $token->[2];
1541: } elsif ($target eq 'tex') {
1542: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1543: my $data=&Apache::lonxml::endredirection();
1544: if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) {
1545: $Apache::londefdef::table[-1]{'length'} .= $1.',';
1546: } else {
1547: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1548: }
1549: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{\textbf{'.$data.'}} '.$Apache::londefdef::table[-1]{'vinc'};
1550: }
1551: return $currentstring;
1552: }
1553: #-- <img> tag
1554: sub start_img {
1555: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1556: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
1557: undef,1);
1558: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1559: my $currentstring = '';
1560: my $width_param = '';
1561: my $height_param = '';
1562: my $scaling = .3;
1563:
1564: if ($target eq 'web') {
1565: $currentstring = $token->[4];
1566: } elsif ($target eq 'tex') {
1567: &image_replication($src);
1568: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1569: #if original gif/jpg/png file exist do following:
1570: if (-e $src) {
1571: #defines the default size of image
1572: my $image = Image::Magick->new;
1573: my $current_figure = $image->Read($src);
1574: $width_param = $image->Get('width') * $scaling;;
1575: $height_param = $image->Get('height') * $scaling;;
1576: undef $image;
1577: #do we have any specified size of the picture?
1578: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,
1579: undef,1);
1580: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval,
1581: undef,1);
1582: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1583: undef,1);
1584: if ($TeXwidth ne '') {
1585: if ($TeXwidth=~/(\d+)\s*\%/) {
1586: $width_param = $1*$ENV{'form.textwidth'}/100;
1587: } else {
1588: $width_param = $TeXwidth;
1589: }
1590: } elsif ($TeXheight ne '') {
1591: $width_param = $TeXheight/$height_param*$width_param;
1592: } elsif ($width ne '') {
1593: $width_param = $width*$scaling;
1594: }
1595: my $file;
1596: my $path;
1597: if ($src =~ m!(.*)/([^/]*)$!) {
1598: $file = $2;
1599: $path = $1.'/';
1600: }
1601: my $newsrc = $src;
1602: $newsrc =~ s/(\.gif|\.jpg|\.png)$/\.eps/i;
1603: $file=~s/(\.gif|\.jpg|\.png)$/\.eps/i;
1604: #where can we find the picture?
1605: if (-e $newsrc) {
1606: #eps counterpart for image exist
1607: if ($path) {
1608: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} ';
1609: }
1610: } else {
1611: #there is no eps counterpart for image - check for ps one
1612: $newsrc =~ s/\.eps$/\.ps/;
1613: if (-e $newsrc) {
1614: #ps counterpart for image exist
1615: $file =~ s/\.eps$/\.ps/;
1616: if ($path) {
1617: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} ';
1618: }
1619: } else {
1620: #there aren't eps or ps - so create eps
1621: my $temp_file;
1622: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
1623: $temp_file = Apache::File->new('>>'.$filename);
1624: print $temp_file "$src\n";
1625: $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} ';
1626: }
1627: }
1628: } else {
1629: #original image file doesn't exist so check the alt attribute
1630: my $alt = &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
1631: if ($alt) {
1632: $currentstring .= ' '.$alt.' ';
1633: } else {
1634: #<allow> tag will care about replication
1635: }
1636: }
1637: }
1638: return $currentstring;
1639: }
1640: sub end_img {
1641: my ($target,$token) = @_;
1642: my $currentstring = '';
1643: if ($target eq 'web') {
1644: $currentstring = $token->[2];
1645: } elsif ($target eq 'tex') {
1646: $currentstring = '';
1647: }
1648: return $currentstring;
1649: }
1650: #-- <applet> tag
1651:
1652: sub start_applet {
1653: my ($target,$token) = @_;
1654: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1655: $token->[2]->{'code'};
1656: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1657: $token->[2]->{'archive'};
1658: my $currentstring = '';
1659: if ($target eq 'web') {
1660: $currentstring = $token->[4];
1661: } elsif ($target eq 'tex') {
1662: $currentstring = " \\begin{figure} ";
1663: }
1664: return $currentstring;
1665: }
1666: sub end_applet {
1667: my ($target,$token) = @_;
1668: my $currentstring = '';
1669: if ($target eq 'web') {
1670: $currentstring = $token->[2];
1671: } elsif ($target eq 'tex') {
1672: $currentstring = " \\end{figure}";
1673: }
1674: return $currentstring;
1675: }
1676:
1677: #-- <embed> tag
1678:
1679: sub start_embed {
1680: my ($target,$token) = @_;
1681: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1682: $token->[2]->{'src'};
1683: my $currentstring = '';
1684: if ($target eq 'web') {
1685: $currentstring = $token->[4];
1686: } elsif ($target eq 'tex') {
1687: $currentstring = " \\begin{figure} ";
1688: }
1689: return $currentstring;
1690: }
1691: sub end_embed {
1692: my ($target,$token) = @_;
1693: my $currentstring = '';
1694: if ($target eq 'web') {
1695: $currentstring = $token->[2];
1696: } elsif ($target eq 'tex') {
1697: $currentstring = " \\end{figure}";
1698: }
1699: return $currentstring;
1700: }
1701:
1702: #-- <param> tag
1703:
1704: sub start_param {
1705: my ($target,$token) = @_;
1706: if ($token->[2]->{'name'} eq 'cabbase') {
1707: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1708: $token->[2]->{'value'};
1709: }
1710: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1711: $token->[2]->{'src'};
1712: my $currentstring = '';
1713: if ($target eq 'web') {
1714: $currentstring = $token->[4];
1715: } elsif ($target eq 'tex') {
1716: $currentstring = " \\begin{figure} ";
1717: }
1718: return $currentstring;
1719: }
1720: sub end_param {
1721: my ($target,$token) = @_;
1722: my $currentstring = '';
1723: if ($target eq 'web') {
1724: $currentstring = $token->[2];
1725: } elsif ($target eq 'tex') {
1726: $currentstring = " \\end{figure}";
1727: }
1728: return $currentstring;
1729: }
1730: #-- <allow> tag
1731: sub start_allow {
1732: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1733: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1734: $token->[2]->{'src'};
1735: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1736: &image_replication($src);
1737: my $result;
1738: if ($target eq 'edit') {
1739: $result .=&Apache::edit::tag_start($target,$token);
1740: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
1741: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
1742: } elsif ($target eq 'modified') {
1743: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1744: $safeeval,'src');
1745: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1746: }
1747: return $result;
1748: }
1749:
1750: sub end_allow {
1751: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1752: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
1753: return '';
1754: }
1755: #-- Frames
1756: sub start_frameset {
1757: my ($target,$token) = @_;
1758: my $currentstring = '';
1759: if ($target eq 'web') {
1760: if (!$Apache::lonxml::registered) {
1761: $currentstring.='<head>'.
1762: &Apache::lonxml::registerurl(undef,$target).'</head>';
1763: }
1764: $currentstring .= $token->[4];
1765: }
1766: return $currentstring;
1767: }
1768: sub end_frameset {
1769: my ($target,$token) = @_;
1770: my $currentstring = '';
1771: if ($target eq 'web') {
1772: $currentstring = $token->[2];
1773: }
1774: return $currentstring;
1775: }
1776: #-- <pre>
1777: sub start_pre {
1778: my ($target,$token) = @_;
1779: my $currentstring = '';
1780: if ($target eq 'web') {
1781: $currentstring .= $token->[4];
1782: } elsif ($target eq 'tex') {
1783: $currentstring .= '\begin{verbatim}';
1784: }
1785: return $currentstring;
1786: }
1787: sub end_pre {
1788: my ($target,$token) = @_;
1789: my $currentstring = '';
1790: if ($target eq 'web') {
1791: $currentstring .= $token->[2];
1792: } elsif ($target eq 'tex') {
1793: $currentstring .= '\end{verbatim}';
1794: }
1795: return $currentstring;
1796: }
1797: #-- <insert>
1798: sub start_insert {
1799: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1800: my $currentstring = '';
1801: if ($target eq 'web') {
1802: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
1803: $currentstring .= '<b>'.$display.'</b>';;
1804: }
1805: return $currentstring;
1806: }
1807: sub end_insert {
1808: my ($target,$token) = @_;
1809: my $currentstring = '';
1810: if ($target eq 'web') {
1811: $currentstring .= '';
1812: }
1813: return $currentstring;
1814: }
1815: #-- <externallink>
1816: sub start_externallink {
1817: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1818: my $currentstring = '';
1819: if ($target eq 'web') {
1820: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
1821: $currentstring .= '<b>'.$display.'</b>';;
1822: }
1823: return $currentstring;
1824: }
1825: sub end_externallink {
1826: my ($target,$token) = @_;
1827: my $currentstring = '';
1828: if ($target eq 'web') {
1829: $currentstring .= '';
1830: }
1831: return $currentstring;
1832: }
1833: #-- <blankspace heigth="">
1834: sub start_blankspace {
1835: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1836: my $currentstring = '';
1837: if ($target eq 'tex') {
1838: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
1839: $currentstring .= '\vskip '.$howmuch.' ';
1840: }
1841: return $currentstring;
1842: }
1843: sub end_blankspace {
1844: my ($target,$token) = @_;
1845: my $currentstring = '';
1846: if ($target eq 'tex') {
1847: $currentstring .= '';
1848: }
1849: return $currentstring;
1850: }
1851: #-- <abbr> tag
1852: sub start_abbr {
1853: my ($target,$token) = @_;
1854: my $currentstring = '';
1855: if ($target eq 'web') {
1856: $currentstring = $token->[4];
1857: }
1858: return $currentstring;
1859: }
1860: sub end_abbr {
1861: my ($target,$token) = @_;
1862: my $currentstring = '';
1863: if ($target eq 'web') {
1864: $currentstring = $token->[2];
1865: }
1866: return $currentstring;
1867: }
1868: #-- <acronym> tag
1869: sub start_acronym {
1870: my ($target,$token) = @_;
1871: my $currentstring = '';
1872: if ($target eq 'web') {
1873: $currentstring = $token->[4];
1874: }
1875: return $currentstring;
1876: }
1877: sub end_acronym {
1878: my ($target,$token) = @_;
1879: my $currentstring = '';
1880: if ($target eq 'web') {
1881: $currentstring = $token->[2];
1882: }
1883: return $currentstring;
1884: }
1885: #-- <area> tag
1886: sub start_area {
1887: my ($target,$token) = @_;
1888: my $currentstring = '';
1889: if ($target eq 'web') {
1890: $currentstring = $token->[4];
1891: }
1892: return $currentstring;
1893: }
1894: sub end_area {
1895: my ($target,$token) = @_;
1896: my $currentstring = '';
1897: if ($target eq 'web') {
1898: $currentstring = $token->[2];
1899: }
1900: return $currentstring;
1901: }
1902: #-- <base> tag
1903: sub start_base {
1904: my ($target,$token) = @_;
1905: my $currentstring = '';
1906: if ($target eq 'web') {
1907: $currentstring = $token->[4];
1908: }
1909: return $currentstring;
1910: }
1911: sub end_base {
1912: my ($target,$token) = @_;
1913: my $currentstring = '';
1914: if ($target eq 'web') {
1915: $currentstring = $token->[2];
1916: }
1917: return $currentstring;
1918: }
1919: #-- <bdo> tag
1920: sub start_bdo {
1921: my ($target,$token) = @_;
1922: my $currentstring = '';
1923: if ($target eq 'web') {
1924: $currentstring = $token->[4];
1925: }
1926: return $currentstring;
1927: }
1928: sub end_bdo {
1929: my ($target,$token) = @_;
1930: my $currentstring = '';
1931: if ($target eq 'web') {
1932: $currentstring = $token->[2];
1933: }
1934: return $currentstring;
1935: }
1936: #-- <bgsound> tag
1937: sub start_bgsound {
1938: my ($target,$token) = @_;
1939: my $currentstring = '';
1940: if ($target eq 'web') {
1941: $currentstring = $token->[4];
1942: }
1943: return $currentstring;
1944: }
1945: sub end_bgsound {
1946: my ($target,$token) = @_;
1947: my $currentstring = '';
1948: if ($target eq 'web') {
1949: $currentstring = $token->[2];
1950: }
1951: return $currentstring;
1952: }
1953: #-- <blink> tag
1954: sub start_blink {
1955: my ($target,$token) = @_;
1956: my $currentstring = '';
1957: if ($target eq 'web') {
1958: $currentstring = $token->[4];
1959: }
1960: return $currentstring;
1961: }
1962: sub end_blink {
1963: my ($target,$token) = @_;
1964: my $currentstring = '';
1965: if ($target eq 'web') {
1966: $currentstring = $token->[2];
1967: }
1968: return $currentstring;
1969: }
1970: #-- <blockquote> tag
1971: sub start_blockquote {
1972: my ($target,$token) = @_;
1973: my $currentstring = '';
1974: if ($target eq 'web') {
1975: $currentstring = $token->[4];
1976: }
1977: return $currentstring;
1978: }
1979: sub end_blockquote {
1980: my ($target,$token) = @_;
1981: my $currentstring = '';
1982: if ($target eq 'web') {
1983: $currentstring = $token->[2];
1984: }
1985: return $currentstring;
1986: }
1987: #-- <button> tag
1988: sub start_button {
1989: my ($target,$token) = @_;
1990: my $currentstring = '';
1991: if ($target eq 'web') {
1992: $currentstring = $token->[4];
1993: }
1994: return $currentstring;
1995: }
1996: sub end_button {
1997: my ($target,$token) = @_;
1998: my $currentstring = '';
1999: if ($target eq 'web') {
2000: $currentstring = $token->[2];
2001: }
2002: return $currentstring;
2003: }
2004: #-- <caption> tag
2005: sub start_caption {
2006: my ($target,$token) = @_;
2007: my $currentstring = '';
2008: if ($target eq 'web') {
2009: $currentstring = $token->[4];
2010: }
2011: return $currentstring;
2012: }
2013: sub end_caption {
2014: my ($target,$token) = @_;
2015: my $currentstring = '';
2016: if ($target eq 'web') {
2017: $currentstring = $token->[2];
2018: }
2019: return $currentstring;
2020: }
2021: #-- <col> tag
2022: sub start_col {
2023: my ($target,$token) = @_;
2024: my $currentstring = '';
2025: if ($target eq 'web') {
2026: $currentstring = $token->[4];
2027: }
2028: return $currentstring;
2029: }
2030: sub end_col {
2031: my ($target,$token) = @_;
2032: my $currentstring = '';
2033: if ($target eq 'web') {
2034: $currentstring = $token->[2];
2035: }
2036: return $currentstring;
2037: }
2038: #-- <colgroup> tag
2039: sub start_colgroup {
2040: my ($target,$token) = @_;
2041: my $currentstring = '';
2042: if ($target eq 'web') {
2043: $currentstring = $token->[4];
2044: }
2045: return $currentstring;
2046: }
2047: sub end_colgroup {
2048: my ($target,$token) = @_;
2049: my $currentstring = '';
2050: if ($target eq 'web') {
2051: $currentstring = $token->[2];
2052: }
2053: return $currentstring;
2054: }
2055: #-- <del> tag
2056: sub start_del {
2057: my ($target,$token) = @_;
2058: my $currentstring = '';
2059: if ($target eq 'web') {
2060: $currentstring = $token->[4];
2061: }
2062: return $currentstring;
2063: }
2064: sub end_del {
2065: my ($target,$token) = @_;
2066: my $currentstring = '';
2067: if ($target eq 'web') {
2068: $currentstring = $token->[2];
2069: }
2070: return $currentstring;
2071: }
2072: #-- <fieldset> tag
2073: sub start_fieldset {
2074: my ($target,$token) = @_;
2075: my $currentstring = '';
2076: if ($target eq 'web') {
2077: $currentstring = $token->[4];
2078: }
2079: return $currentstring;
2080: }
2081: sub end_fieldset {
2082: my ($target,$token) = @_;
2083: my $currentstring = '';
2084: if ($target eq 'web') {
2085: $currentstring = $token->[2];
2086: }
2087: return $currentstring;
2088: }
2089: #-- <frame> tag
2090: sub start_frame {
2091: my ($target,$token) = @_;
2092: my $currentstring = '';
2093: if ($target eq 'web') {
2094: $currentstring = $token->[4];
2095: }
2096: return $currentstring;
2097: }
2098: sub end_frame {
2099: my ($target,$token) = @_;
2100: my $currentstring = '';
2101: if ($target eq 'web') {
2102: $currentstring = $token->[2];
2103: }
2104: return $currentstring;
2105: }
2106: #-- <iframe> tag
2107: sub start_iframe {
2108: my ($target,$token) = @_;
2109: my $currentstring = '';
2110: if ($target eq 'web') {
2111: $currentstring = $token->[4];
2112: }
2113: return $currentstring;
2114: }
2115: sub end_iframe {
2116: my ($target,$token) = @_;
2117: my $currentstring = '';
2118: if ($target eq 'web') {
2119: $currentstring = $token->[2];
2120: }
2121: return $currentstring;
2122: }
2123: #-- <ins> tag
2124: sub start_ins {
2125: my ($target,$token) = @_;
2126: my $currentstring = '';
2127: if ($target eq 'web') {
2128: $currentstring = $token->[4];
2129: }
2130: return $currentstring;
2131: }
2132: sub end_ins {
2133: my ($target,$token) = @_;
2134: my $currentstring = '';
2135: if ($target eq 'web') {
2136: $currentstring = $token->[2];
2137: }
2138: return $currentstring;
2139: }
2140: #-- <isindex> tag
2141: sub start_isindex {
2142: my ($target,$token) = @_;
2143: my $currentstring = '';
2144: if ($target eq 'web') {
2145: $currentstring = $token->[4];
2146: }
2147: return $currentstring;
2148: }
2149: sub end_isindex {
2150: my ($target,$token) = @_;
2151: my $currentstring = '';
2152: if ($target eq 'web') {
2153: $currentstring = $token->[2];
2154: }
2155: return $currentstring;
2156: }
2157: #-- <keygen> tag
2158: sub start_keygen {
2159: my ($target,$token) = @_;
2160: my $currentstring = '';
2161: if ($target eq 'web') {
2162: $currentstring = $token->[4];
2163: }
2164: return $currentstring;
2165: }
2166: sub end_keygen {
2167: my ($target,$token) = @_;
2168: my $currentstring = '';
2169: if ($target eq 'web') {
2170: $currentstring = $token->[2];
2171: }
2172: return $currentstring;
2173: }
2174: #-- <label> tag
2175: sub start_label {
2176: my ($target,$token) = @_;
2177: my $currentstring = '';
2178: if ($target eq 'web') {
2179: $currentstring = $token->[4];
2180: }
2181: return $currentstring;
2182: }
2183: sub end_label {
2184: my ($target,$token) = @_;
2185: my $currentstring = '';
2186: if ($target eq 'web') {
2187: $currentstring = $token->[2];
2188: }
2189: return $currentstring;
2190: }
2191: #-- <layer> tag
2192: sub start_layer {
2193: my ($target,$token) = @_;
2194: my $currentstring = '';
2195: if ($target eq 'web') {
2196: $currentstring = $token->[4];
2197: }
2198: return $currentstring;
2199: }
2200: sub end_layer {
2201: my ($target,$token) = @_;
2202: my $currentstring = '';
2203: if ($target eq 'web') {
2204: $currentstring = $token->[2];
2205: }
2206: return $currentstring;
2207: }
2208: #-- <legend> tag
2209: sub start_legend {
2210: my ($target,$token) = @_;
2211: my $currentstring = '';
2212: if ($target eq 'web') {
2213: $currentstring = $token->[4];
2214: }
2215: return $currentstring;
2216: }
2217: sub end_legend {
2218: my ($target,$token) = @_;
2219: my $currentstring = '';
2220: if ($target eq 'web') {
2221: $currentstring = $token->[2];
2222: }
2223: return $currentstring;
2224: }
2225: #-- <link> tag
2226: sub start_link {
2227: my ($target,$token) = @_;
2228: my $currentstring = '';
2229: if ($target eq 'web') {
2230: $currentstring = $token->[4];
2231: }
2232: return $currentstring;
2233: }
2234: sub end_link {
2235: my ($target,$token) = @_;
2236: my $currentstring = '';
2237: if ($target eq 'web') {
2238: $currentstring = $token->[2];
2239: }
2240: return $currentstring;
2241: }
2242: #-- <marquee> tag
2243: sub start_marquee {
2244: my ($target,$token) = @_;
2245: my $currentstring = '';
2246: if ($target eq 'web') {
2247: $currentstring = $token->[4];
2248: }
2249: return $currentstring;
2250: }
2251: sub end_marquee {
2252: my ($target,$token) = @_;
2253: my $currentstring = '';
2254: if ($target eq 'web') {
2255: $currentstring = $token->[2];
2256: }
2257: return $currentstring;
2258: }
2259: #-- <malticol> tag
2260: sub start_malticol {
2261: my ($target,$token) = @_;
2262: my $currentstring = '';
2263: if ($target eq 'web') {
2264: $currentstring = $token->[4];
2265: }
2266: return $currentstring;
2267: }
2268: sub end_malticol {
2269: my ($target,$token) = @_;
2270: my $currentstring = '';
2271: if ($target eq 'web') {
2272: $currentstring = $token->[2];
2273: }
2274: return $currentstring;
2275: }
2276: #-- <nobr> tag
2277: sub start_nobr {
2278: my ($target,$token) = @_;
2279: my $currentstring = '';
2280: if ($target eq 'web') {
2281: $currentstring = $token->[4];
2282: }
2283: return $currentstring;
2284: }
2285: sub end_nobr {
2286: my ($target,$token) = @_;
2287: my $currentstring = '';
2288: if ($target eq 'web') {
2289: $currentstring = $token->[2];
2290: }
2291: return $currentstring;
2292: }
2293: #-- <noembed> tag
2294: sub start_noembed {
2295: my ($target,$token) = @_;
2296: my $currentstring = '';
2297: if ($target eq 'web') {
2298: $currentstring = $token->[4];
2299: }
2300: return $currentstring;
2301: }
2302: sub end_noembed {
2303: my ($target,$token) = @_;
2304: my $currentstring = '';
2305: if ($target eq 'web') {
2306: $currentstring = $token->[2];
2307: }
2308: return $currentstring;
2309: }
2310: #-- <noframes> tag
2311: sub start_noframes {
2312: my ($target,$token) = @_;
2313: my $currentstring = '';
2314: if ($target eq 'web') {
2315: $currentstring = $token->[4];
2316: }
2317: return $currentstring;
2318: }
2319: sub end_noframes {
2320: my ($target,$token) = @_;
2321: my $currentstring = '';
2322: if ($target eq 'web') {
2323: $currentstring = $token->[2];
2324: }
2325: return $currentstring;
2326: }
2327: #-- <nolayer> tag
2328: sub start_nolayer {
2329: my ($target,$token) = @_;
2330: my $currentstring = '';
2331: if ($target eq 'web') {
2332: $currentstring = $token->[4];
2333: }
2334: return $currentstring;
2335: }
2336: sub end_nolayer {
2337: my ($target,$token) = @_;
2338: my $currentstring = '';
2339: if ($target eq 'web') {
2340: $currentstring = $token->[2];
2341: }
2342: return $currentstring;
2343: }
2344: #-- <noscript> tag
2345: sub start_noscript {
2346: my ($target,$token) = @_;
2347: my $currentstring = '';
2348: if ($target eq 'web') {
2349: $currentstring = $token->[4];
2350: }
2351: return $currentstring;
2352: }
2353: sub end_noscript {
2354: my ($target,$token) = @_;
2355: my $currentstring = '';
2356: if ($target eq 'web') {
2357: $currentstring = $token->[2];
2358: }
2359: return $currentstring;
2360: }
2361: #-- <object> tag
2362: sub start_object {
2363: my ($target,$token) = @_;
2364: my $currentstring = '';
2365: if ($target eq 'web') {
2366: $currentstring = $token->[4];
2367: }
2368: return $currentstring;
2369: }
2370: sub end_object {
2371: my ($target,$token) = @_;
2372: my $currentstring = '';
2373: if ($target eq 'web') {
2374: $currentstring = $token->[2];
2375: }
2376: return $currentstring;
2377: }
2378: #-- <optgroup> tag
2379: sub start_optgroup {
2380: my ($target,$token) = @_;
2381: my $currentstring = '';
2382: if ($target eq 'web') {
2383: $currentstring = $token->[4];
2384: }
2385: return $currentstring;
2386: }
2387: sub end_optgroup {
2388: my ($target,$token) = @_;
2389: my $currentstring = '';
2390: if ($target eq 'web') {
2391: $currentstring = $token->[2];
2392: }
2393: return $currentstring;
2394: }
2395: #-- <samp> tag
2396: sub start_samp {
2397: my ($target,$token) = @_;
2398: my $currentstring = '';
2399: if ($target eq 'web') {
2400: $currentstring = $token->[4];
2401: }
2402: return $currentstring;
2403: }
2404: sub end_samp {
2405: my ($target,$token) = @_;
2406: my $currentstring = '';
2407: if ($target eq 'web') {
2408: $currentstring = $token->[2];
2409: }
2410: return $currentstring;
2411: }
2412: #-- <server> tag
2413: sub start_server {
2414: my ($target,$token) = @_;
2415: my $currentstring = '';
2416: if ($target eq 'web') {
2417: $currentstring = $token->[4];
2418: }
2419: return $currentstring;
2420: }
2421: sub end_server {
2422: my ($target,$token) = @_;
2423: my $currentstring = '';
2424: if ($target eq 'web') {
2425: $currentstring = $token->[2];
2426: }
2427: return $currentstring;
2428: }
2429: #-- <spacer> tag
2430: sub start_spacer {
2431: my ($target,$token) = @_;
2432: my $currentstring = '';
2433: if ($target eq 'web') {
2434: $currentstring = $token->[4];
2435: }
2436: return $currentstring;
2437: }
2438: sub end_spacer {
2439: my ($target,$token) = @_;
2440: my $currentstring = '';
2441: if ($target eq 'web') {
2442: $currentstring = $token->[2];
2443: }
2444: return $currentstring;
2445: }
2446: #-- <span> tag
2447: sub start_span {
2448: my ($target,$token) = @_;
2449: my $currentstring = '';
2450: if ($target eq 'web') {
2451: $currentstring = $token->[4];
2452: }
2453: return $currentstring;
2454: }
2455: sub end_span {
2456: my ($target,$token) = @_;
2457: my $currentstring = '';
2458: if ($target eq 'web') {
2459: $currentstring = $token->[2];
2460: }
2461: return $currentstring;
2462: }
2463: #-- <tbody> tag
2464: sub start_tbody {
2465: my ($target,$token) = @_;
2466: my $currentstring = '';
2467: if ($target eq 'web') {
2468: $currentstring = $token->[4];
2469: }
2470: return $currentstring;
2471: }
2472: sub end_tbody {
2473: my ($target,$token) = @_;
2474: my $currentstring = '';
2475: if ($target eq 'web') {
2476: $currentstring = $token->[2];
2477: }
2478: return $currentstring;
2479: }
2480: #-- <tfoot> tag
2481: sub start_tfoot {
2482: my ($target,$token) = @_;
2483: my $currentstring = '';
2484: if ($target eq 'web') {
2485: $currentstring = $token->[4];
2486: }
2487: return $currentstring;
2488: }
2489: sub end_tfoot {
2490: my ($target,$token) = @_;
2491: my $currentstring = '';
2492: if ($target eq 'web') {
2493: $currentstring = $token->[2];
2494: }
2495: return $currentstring;
2496: }
2497: #-- <thead> tag
2498: sub start_thead {
2499: my ($target,$token) = @_;
2500: my $currentstring = '';
2501: if ($target eq 'web') {
2502: $currentstring = $token->[4];
2503: }
2504: return $currentstring;
2505: }
2506: sub end_thead {
2507: my ($target,$token) = @_;
2508: my $currentstring = '';
2509: if ($target eq 'web') {
2510: $currentstring = $token->[2];
2511: }
2512: return $currentstring;
2513: }
2514: #-- <var> tag
2515: sub start_var {
2516: my ($target,$token) = @_;
2517: my $currentstring = '';
2518: if ($target eq 'web') {
2519: $currentstring = $token->[4];
2520: }
2521: return $currentstring;
2522: }
2523: sub end_var {
2524: my ($target,$token) = @_;
2525: my $currentstring = '';
2526: if ($target eq 'web') {
2527: $currentstring = $token->[2];
2528: }
2529: return $currentstring;
2530: }
2531: #-- <wbr> tag
2532: sub start_wbr {
2533: my ($target,$token) = @_;
2534: my $currentstring = '';
2535: if ($target eq 'web') {
2536: $currentstring = $token->[4];
2537: }
2538: return $currentstring;
2539: }
2540: sub end_wbr {
2541: my ($target,$token) = @_;
2542: my $currentstring = '';
2543: if ($target eq 'web') {
2544: $currentstring = $token->[2];
2545: }
2546: return $currentstring;
2547: }
2548:
2549: sub image_replication {
2550: my $src = shift;
2551: if (not -e '/home/httpd/html'.$src) {
2552: #replicates image itself
2553: &Apache::lonnet::repcopy('/home/httpd/html'.$src);
2554: #replicates eps or ps
2555: my $newsrc = $src;
2556: $newsrc =~ s/(.gif|.jpg|\.png)$/.eps/;
2557: if (not-e $newsrc && &Apache::lonnet::repcopy('/home/httpd/html'.$newsrc) ne 'OK') {
2558: $newsrc =~ s/\.ps$/\.eps/;
2559: &Apache::lonnet::repcopy('/home/httpd/html'.$newsrc);
2560: }
2561: }
2562: return '';
2563: }
2564:
2565: 1;
2566: __END__
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