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[LON-CAPA] /
loncom /
xml /
londefdef.pm
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1.140:
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Thu Jun 19 15:30:58 2003 UTC (20 years, 11 months ago) by
sakharuk
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LaTeX parsing is changed to batchmode. It allows to automatically correct a simple LaTeX errors (such as typos for example <m>$a^2</m> instead <m>$a^2$</m>) but for more complicated situations it;s more unpredictable.
1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # $Id: londefdef.pm,v 1.140 2003/06/19 15:30:58 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: 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','hideweboutput'));
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: \batchmode
162: \newcommand{\keephidden}[1]{}
163: \renewcommand{\deg}{$^{\circ}$}
164: \usepackage{textcomp}
165: \usepackage[dvips]{graphicx}
166: \usepackage{epsfig}\usepackage{calc}
167: \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}}';
168: }
169: return $currentstring;
170: }
171:
172: sub end_html {
173: my ($target,$token) = @_;
174: my $currentstring = '';
175: if ($target eq 'web') {
176: $currentstring = &Apache::lonxml::xmlend();
177: }
178: return $currentstring;
179: }
180:
181: #-- <head> tag
182: sub start_head {
183: my ($target,$token) = @_;
184: my $currentstring = '';
185: if ($target eq 'web') {
186: $currentstring = $token->[4];
187: }
188: return $currentstring;
189: }
190:
191: sub end_head {
192: my ($target,$token) = @_;
193: my $currentstring = '';
194: if ($target eq 'web') {
195: $currentstring = &Apache::lonmenu::registerurl(undef,$target).
196: $token->[2];
197: }
198: return $currentstring;
199: }
200:
201: #-- <map> tag
202: sub start_map {
203: my ($target,$token) = @_;
204: my $currentstring = '';
205: if ($target eq 'web') {
206: $currentstring = $token->[4];
207: }
208: return $currentstring;
209: }
210:
211: sub end_map {
212: my ($target,$token) = @_;
213: my $currentstring = '';
214: if ($target eq 'web') {
215: $currentstring = $token->[2];
216: }
217: return $currentstring;
218: }
219:
220: #-- <select> tag
221: sub start_select {
222: my ($target,$token) = @_;
223: my $currentstring = '';
224: if ($target eq 'web') {
225: $currentstring = $token->[4];
226: }
227: return $currentstring;
228: }
229:
230: sub end_select {
231: my ($target,$token) = @_;
232: my $currentstring = '';
233: if ($target eq 'web') {
234: $currentstring = $token->[2];
235: }
236: return $currentstring;
237: }
238:
239: #-- <option> tag
240: sub start_option {
241: my ($target,$token) = @_;
242: my $currentstring = '';
243: if ($target eq 'web') {
244: $currentstring = $token->[4];
245: }
246: return $currentstring;
247: }
248:
249: sub end_option {
250: my ($target,$token) = @_;
251: my $currentstring = '';
252: if ($target eq 'web') {
253: $currentstring = $token->[2];
254: }
255: return $currentstring;
256: }
257:
258: #-- <input> tag
259: sub start_input {
260: my ($target,$token) = @_;
261: my $currentstring = '';
262: if ($target eq 'web') {
263: $currentstring = $token->[4];
264: }
265: return $currentstring;
266: }
267:
268: sub end_input {
269: my ($target,$token) = @_;
270: my $currentstring = '';
271: if ($target eq 'web') {
272: $currentstring = $token->[2];
273: }
274: return $currentstring;
275: }
276:
277: #-- <textarea> tag
278: sub start_textarea {
279: my ($target,$token) = @_;
280: my $currentstring = '';
281: if ($target eq 'web') {
282: $currentstring = $token->[4];
283: }
284: return $currentstring;
285: }
286:
287: sub end_textarea {
288: my ($target,$token) = @_;
289: my $currentstring = '';
290: if ($target eq 'web') {
291: $currentstring = $token->[2];
292: }
293: return $currentstring;
294: }
295:
296: #-- <form> tag
297: sub start_form {
298: my ($target,$token) = @_;
299: my $currentstring = '';
300: if ($target eq 'web') {
301: $currentstring = $token->[4];
302: }
303: return $currentstring;
304: }
305:
306: sub end_form {
307: my ($target,$token) = @_;
308: my $currentstring = '';
309: if ($target eq 'web') {
310: $currentstring = $token->[2];
311: }
312: return $currentstring;
313: }
314:
315: #-- <title> tag
316: sub start_title {
317: my ($target,$token) = @_;
318: my $currentstring = '';
319: if ($target eq 'web') {
320: $currentstring = $token->[4];
321: } elsif ($target eq 'tex') {
322: $currentstring .= '\keephidden{'
323: }
324: if ($target eq 'meta') {
325: $currentstring='<title>';
326: &start_output();
327: }
328: return $currentstring;
329: }
330:
331: sub end_title {
332: my ($target,$token) = @_;
333: my $currentstring = '';
334: if ($target eq 'web') {
335: $currentstring = $token->[2];
336: } elsif ($target eq 'tex') {
337: $currentstring .= '}';
338: }
339: if ($target eq 'meta') {
340: &end_output();
341: $currentstring='</title>';
342: }
343: return $currentstring;
344: }
345:
346: #-- <meta> tag
347: sub start_meta {
348: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
349: my $currentstring = '';
350: if ($target eq 'web') {
351: my $args='';
352: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
353: if ($args eq '') {
354: &Apache::lonxml::get_all_text("/meta",$parser);
355: } else {
356: $currentstring = $token->[4];
357: }
358: } elsif ($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: '</'.$name.'>';
370: }
371: }
372: } elsif ($target eq 'tex') {
373: &Apache::lonxml::startredirection();
374: }
375: return $currentstring;
376: }
377:
378: sub end_meta {
379: my ($target,$token,$tagstack,$parstack,$parser) = @_;
380: my $currentstring = '';
381: if ($target eq 'web') {
382: my $args='';
383: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
384: if ($args ne '') {
385: $currentstring = $token->[4];
386: }
387: } elsif ($target eq 'tex') {
388: $currentstring=&Apache::lonxml::endredirection();
389: $currentstring='';
390: }
391: return $currentstring;
392: }
393:
394: # accessrule
395: sub start_accessrule {
396: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
397: my $currentstring = '';
398: my $eff=&Apache::lonxml::get_param
399: ('effect',$parstack,$safeeval,undef,1);
400: my $realm=&Apache::lonxml::get_param
401: ('realm',$parstack,$safeeval,undef,1);
402: my $role=&Apache::lonxml::get_param
403: ('role',$parstack,$safeeval,undef,1);
404: $realm=~s/\s+//g;
405: $realm=~s/\//\_/g;
406: $realm=~s/^\_//;
407: $realm=~s/\W/\;/g;
408: $role=~s/\s+//g;
409: $role=~s/\//\_/g;
410: $role=~s/\W/\;/g;
411: if ($target eq 'web') {
412: my $args='';
413: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
414: if ($args eq '') {
415: &Apache::lonxml::get_all_text("/accessrule",$parser);
416: } else {
417: $currentstring = $token->[4];
418: }
419: }
420: if ($target eq 'meta') {
421: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';
422: }
423: return $currentstring;
424: }
425:
426: sub end_accessrule {
427: my ($target,$token,$tagstack,$parstack,$parser) = @_;
428: my $currentstring = '';
429: if ($target eq 'web') {
430: my $args='';
431: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
432: if ($args ne '') {
433: $currentstring = $token->[4];
434: }
435: }
436: return $currentstring;
437: }
438:
439: #-- <body> tag
440: sub start_body {
441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
442: my $currentstring = '';
443: if ($target eq 'web') {
444: if (!$Apache::lonxml::registered) {
445: $currentstring.='<head>'.
446: &Apache::lonmenu::registerurl(undef,$target).'</head>';
447: }
448: my $onLoad='';
449: foreach my $key (keys(%{$token->[2]})) {
450: if ($key =~ /^onload$/i) {
451: $onLoad.=$token->[2]->{$key}.';';
452: delete($token->[2]->{$key});
453: }
454: }
455: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
456: my $onUnload='';
457: foreach my $key (keys(%{$token->[2]})) {
458: if ($key =~ /^onunload$/i) {
459: $onUnload.=$token->[2]->{$key}.';';
460: delete($token->[2]->{$key});
461: }
462: }
463: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
464: ';'.$onUnload;
465:
466: $currentstring .= '<'.$token->[1];
467: foreach (keys %{$token->[2]}) {
468: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
469: }
470: $currentstring.='>';
471: if ($ENV{'request.state'} ne 'published') {
472: $currentstring.=(<<EDITBUTTON);
473: <form method="post">
474: <input type="submit" name="editmode" value="Edit" />
475: </form>
476: EDITBUTTON
477: } else {
478: $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
479: }
480: } elsif ($target eq 'tex') {
481: $currentstring = '\begin{document}';
482: }
483: return $currentstring;
484: }
485:
486: sub end_body {
487: my ($target,$token) = @_;
488: my $currentstring = '';
489: if ($target eq 'web') {
490: $currentstring = $token->[2];
491: } elsif ($target eq 'tex') {
492: $currentstring = '\end{document}';
493: }
494: return $currentstring;
495: }
496:
497: #-- <center> tag
498: sub start_center {
499: my ($target,$token) = @_;
500: my $currentstring = '';
501: if ($target eq 'web') {
502: $currentstring = $token->[4];
503: } elsif ($target eq 'tex') {
504: $currentstring = '\begin{center}';
505: } elsif ($target eq 'latexsource') {
506: $currentstring = '\begin{center}';
507: }
508: return $currentstring;
509: }
510:
511: sub end_center {
512: my ($target,$token) = @_;
513: my $currentstring = '';
514: if ($target eq 'web') {
515: $currentstring = $token->[2];
516: } elsif ($target eq 'tex') {
517: $currentstring = '\end{center}';
518: } elsif ($target eq 'latexsource') {
519: $currentstring = '\end{center}';
520: }
521: return $currentstring;
522: }
523:
524: #-- <b> tag
525: sub start_b {
526: my ($target,$token) = @_;
527: my $currentstring = '';
528: if ($target eq 'web') {
529: $currentstring = $token->[4];
530: } elsif ($target eq 'tex') {
531: $currentstring = '\textbf{';
532: } elsif ($target eq 'latexsource') {
533: $currentstring = '\textbf{';
534: }
535: return $currentstring;
536: }
537:
538: sub end_b {
539: my ($target,$token) = @_;
540: my $currentstring = '';
541: if ($target eq 'web') {
542: $currentstring = $token->[2];
543: } elsif ($target eq 'tex') {
544: $currentstring = '}';
545: } elsif ($target eq 'latexsource') {
546: $currentstring = '}';
547: }
548: return $currentstring;
549: }
550:
551: #-- <strong> tag
552: sub start_strong {
553: my ($target,$token) = @_;
554: my $currentstring = '';
555: if ($target eq 'web') {
556: $currentstring = $token->[4];
557: } elsif ($target eq 'tex') {
558: $currentstring = '\textbf{';
559: } elsif ($target eq 'latexsource') {
560: $currentstring = '\textbf{';
561: }
562: return $currentstring;
563: }
564:
565: sub end_strong {
566: my ($target,$token) = @_;
567: my $currentstring = '';
568: if ($target eq 'web') {
569:
570: $currentstring = $token->[2];
571: } elsif ($target eq 'tex') {
572: $currentstring = '}';
573: } elsif ($target eq 'latexsource') {
574: $currentstring = '}';
575: }
576: return $currentstring;
577: }
578:
579: #-- <h1> tag
580: sub start_h1 {
581: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
582: my $currentstring = '';
583: if ($target eq 'web') {
584: $currentstring .= $token->[4];
585: } elsif ($target eq 'tex') {
586: my $pre;
587: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
588: if (($align eq 'center') || (not defined $align)) {
589: $pre='\begin{center}';
590: } elsif ($align eq 'left') {
591: $pre='\rlap{';
592: } elsif ($align eq 'right') {
593: $pre=' \hfill \llap{';
594: }
595: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
596: if (not defined $TeXsize) {$TeXsize="large";}
597: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
598: } elsif ($target eq 'meta') {
599: $currentstring='<subject>';
600: &start_output();
601: }
602: return $currentstring;
603: }
604:
605: sub end_h1 {
606: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
607: my $currentstring = '';
608: if ($target eq 'web') {
609: $currentstring .= $token->[2];
610: } elsif ($target eq 'tex') {
611: my $post;
612: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
613: if (($align eq 'center') || (not defined $align)) {
614: $post='\end{center}';
615: } elsif ($align eq 'left') {
616: $post='} \hfill'.'\vskip 0 mm ';
617: } elsif ($align eq 'right') {
618: $post='}'.'\vskip 0 mm ';
619: }
620: $currentstring .= '}}'.$post;
621: } elsif ($target eq 'meta') {
622: &end_output();
623: $currentstring='</subject>';
624: }
625: return $currentstring;
626: }
627:
628: #-- <h2> tag
629: sub start_h2 {
630: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
631: my $currentstring = '';
632: if ($target eq 'web') {
633: $currentstring .= $token->[4];
634: } elsif ($target eq 'tex') {
635: my $pre;
636: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
637: if (($align eq 'center') || (not defined $align)) {
638: $pre='\begin{center}';
639: } elsif ($align eq 'left') {
640: $pre='\rlap{';
641: } elsif ($align eq 'right') {
642: $pre=' \hfill \llap{';
643: }
644: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
645: if (not defined $TeXsize) {$TeXsize="large";}
646: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
647: }
648: return $currentstring;
649: }
650:
651: sub end_h2 {
652: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
653: my $currentstring = '';
654: if ($target eq 'web') {
655: $currentstring .= $token->[2];
656: } elsif ($target eq 'tex') {
657: my $post;
658: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
659: if (($align eq 'center') || (not defined $align)) {
660: $post='\end{center}';
661: } elsif ($align eq 'left') {
662: $post='} \hfill'.'\vskip 0 mm ';
663: } elsif ($align eq 'right') {
664: $post='}'.'\vskip 0 mm ';
665: }
666: $currentstring .= '}}'.$post;
667: }
668: return $currentstring;
669: }
670:
671: #-- <h3> tag
672: sub start_h3 {
673: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
674: my $currentstring = '';
675: if ($target eq 'web') {
676: $currentstring .= $token->[4];
677: } elsif ($target eq 'tex') {
678: my $pre;
679: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
680: if (($align eq 'center') || (not defined $align)) {
681: $pre='\begin{center}';
682: } elsif ($align eq 'left') {
683: $pre='\rlap{';
684: } elsif ($align eq 'right') {
685: $pre=' \hfill \llap{';
686: }
687: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
688: if (not defined $TeXsize) {$TeXsize="large";}
689: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
690: }
691: return $currentstring;
692: }
693:
694: sub end_h3 {
695: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
696: my $currentstring = '';
697: if ($target eq 'web') {
698: $currentstring .= $token->[2];
699: } elsif ($target eq 'tex') {
700: my $post;
701: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
702: if (($align eq 'center') || (not defined $align)) {
703: $post='\end{center}';
704: } elsif ($align eq 'left') {
705: $post='} \hfill'.'\vskip 0 mm ';
706: } elsif ($align eq 'right') {
707: $post='}'.'\vskip 0 mm ';
708: }
709: $currentstring .= '}}'.$post;
710: }
711: return $currentstring;
712: }
713:
714: #-- <h4> tag
715: sub start_h4 {
716: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
717: my $currentstring = '';
718: if ($target eq 'web') {
719: $currentstring .= $token->[4];
720: } elsif ($target eq 'tex') {
721: my $pre;
722: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
723: if (($align eq 'center') || (not defined $align)) {
724: $pre='\begin{center}';
725: } elsif ($align eq 'left') {
726: $pre='\rlap{';
727: } elsif ($align eq 'right') {
728: $pre=' \hfill \llap{';
729: }
730: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
731: if (not defined $TeXsize) {$TeXsize="large";}
732: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
733: }
734: return $currentstring;
735: }
736:
737: sub end_h4 {
738: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
739: my $currentstring = '';
740: if ($target eq 'web') {
741: $currentstring .= $token->[2];
742: } elsif ($target eq 'tex') {
743: my $post;
744: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
745: if (($align eq 'center') || (not defined $align)) {
746: $post='\end{center}';
747: } elsif ($align eq 'left') {
748: $post='} \hfill'.'\vskip 0 mm ';
749: } elsif ($align eq 'right') {
750: $post='}'.'\vskip 0 mm ';
751: }
752: $currentstring .= '}}'.$post;
753: }
754: return $currentstring;
755: }
756:
757: #-- <h5> tag
758: sub start_h5 {
759: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
760: my $currentstring = '';
761: if ($target eq 'web') {
762: $currentstring .= $token->[4];
763: } elsif ($target eq 'tex') {
764: my $pre;
765: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
766: if (($align eq 'center') || (not defined $align)) {
767: $pre='\begin{center}';
768: } elsif ($align eq 'left') {
769: $pre='\rlap{';
770: } elsif ($align eq 'right') {
771: $pre=' \hfill \llap{';
772: }
773: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
774: if (not defined $TeXsize) {$TeXsize="large";}
775: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
776: }
777: return $currentstring;
778: }
779:
780: sub end_h5 {
781: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
782: my $currentstring = '';
783: if ($target eq 'web') {
784: $currentstring .= $token->[2];
785: } elsif ($target eq 'tex') {
786: my $post;
787: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
788: if (($align eq 'center') || (not defined $align)) {
789: $post='\end{center}';
790: } elsif ($align eq 'left') {
791: $post='} \hfill'.'\vskip 0 mm ';
792: } elsif ($align eq 'right') {
793: $post='}'.'\vskip 0 mm ';
794: }
795: $currentstring .= '}}'.$post;
796: }
797: return $currentstring;
798: }
799:
800: #-- <h6> tag
801: sub start_h6 {
802: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
803: my $currentstring = '';
804: if ($target eq 'web') {
805: $currentstring .= $token->[4];
806: } elsif ($target eq 'tex') {
807: my $pre;
808: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
809: if (($align eq 'center') || (not defined $align)) {
810: $pre='\begin{center}';
811: } elsif ($align eq 'left') {
812: $pre='\rlap{';
813: } elsif ($align eq 'right') {
814: $pre=' \hfill \llap{';
815: }
816: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
817: if (not defined $TeXsize) {$TeXsize="large";}
818: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
819: }
820: return $currentstring;
821: }
822:
823: sub end_h6 {
824: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
825: my $currentstring = '';
826: if ($target eq 'web') {
827: $currentstring .= $token->[2];
828: } elsif ($target eq 'tex') {
829: my $post;
830: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
831: if (($align eq 'center') || (not defined $align)) {
832: $post='\end{center}';
833: } elsif ($align eq 'left') {
834: $post='} \hfill'.'\vskip 0 mm ';
835: } elsif ($align eq 'right') {
836: $post='}'.'\vskip 0 mm ';
837: }
838: $currentstring .= '}}'.$post;
839: }
840: return $currentstring;
841: }
842:
843: #--- <cite> tag
844: sub start_cite {
845: my ($target,$token) = @_;
846: my $currentstring = '';
847: if ($target eq 'web') {
848: $currentstring .= $token->[4];
849: } elsif ($target eq 'tex') {
850: $currentstring .= "\\textit{";
851: } elsif ($target eq 'latexsource') {
852: $currentstring .= "\\textit{";
853: }
854: return $currentstring;
855: }
856:
857: sub end_cite {
858: my ($target,$token) = @_;
859: my $currentstring = '';
860: if ($target eq 'web') {
861: $currentstring .= $token->[2];
862: } elsif ($target eq 'tex') {
863: $currentstring .= "}";
864: } elsif ($target eq 'latexsource') {
865: $currentstring .= "}";
866: }
867: return $currentstring;
868: }
869:
870: #-- <i> tag
871: sub start_i {
872: my ($target,$token) = @_;
873: my $currentstring = '';
874: if ($target eq 'web') {
875: $currentstring .= $token->[4];
876: } elsif ($target eq 'tex') {
877: $currentstring .= '\textit{';
878: } elsif ($target eq 'latexsource') {
879: $currentstring .= '\textit{';
880: }
881: return $currentstring;
882: }
883:
884: sub end_i {
885: my ($target,$token) = @_;
886: my $currentstring = '';
887: if ($target eq 'web') {
888: $currentstring .= $token->[2];
889: } elsif ($target eq 'tex') {
890: $currentstring .= '}';
891: } elsif ($target eq 'latexsource') {
892: $currentstring .= '}';
893: }
894: return $currentstring;
895: }
896:
897: #-- <address> tag
898: sub start_address {
899: my ($target,$token) = @_;
900: my $currentstring = '';
901: if ($target eq 'web') {
902: $currentstring .= $token->[4];
903: } elsif ($target eq 'tex') {
904: $currentstring .= "\\textit{";
905: } elsif ($target eq 'latexsource') {
906: $currentstring .= "\\textit{";
907: }
908: return $currentstring;
909: }
910:
911: sub end_address {
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:
924: #-- <dfn> tag
925: sub start_dfn {
926: my ($target,$token) = @_;
927: my $currentstring = '';
928: if ($target eq 'web') {
929: $currentstring .= $token->[4];
930: } elsif ($target eq 'tex') {
931: $currentstring .= "\\textit{";
932: } elsif ($target eq 'latexsource') {
933: $currentstring .= "\\textit{";
934: }
935: return $currentstring;
936: }
937:
938: sub end_dfn {
939: my ($target,$token) = @_;
940: my $currentstring = '';
941: if ($target eq 'web') {
942: $currentstring .= $token->[2];
943: } elsif ($target eq 'tex') {
944: $currentstring .= "}";
945: } elsif ($target eq 'latexsource') {
946: $currentstring .= "}";
947: }
948: return $currentstring;
949: }
950:
951: #-- <tt> tag
952: sub start_tt {
953: my ($target,$token) = @_;
954: my $currentstring = '';
955: if ($target eq 'web') {
956: $currentstring .= $token->[4];
957: } elsif ($target eq 'tex') {
958: $currentstring .= '\texttt{';
959: } elsif ($target eq 'latexsource') {
960: $currentstring .= '\texttt{';
961: }
962: return $currentstring;
963: }
964:
965: sub end_tt {
966: my ($target,$token) = @_;
967: my $currentstring = '';
968: if ($target eq 'web') {
969: $currentstring .= $token->[2];
970: } elsif ($target eq 'tex') {
971: $currentstring .= '}';
972: } elsif ($target eq 'latexsource') {
973: $currentstring .= '}';
974: }
975: return $currentstring;
976: }
977:
978: #-- <kbd> tag
979: sub start_kbd {
980: my ($target,$token) = @_;
981: my $currentstring = '';
982: if ($target eq 'web') {
983: $currentstring .= $token->[4];
984: } elsif ($target eq 'tex') {
985: $currentstring .= "\\texttt";
986: } elsif ($target eq 'latexsource') {
987: $currentstring .= "\\texttt{";
988: }
989: return $currentstring;
990: }
991:
992: sub end_kbd {
993: my ($target,$token) = @_;
994: my $currentstring = '';
995: if ($target eq 'web') {
996: $currentstring .= $token->[2];
997: } elsif ($target eq 'tex') {
998: $currentstring .= "}";
999: } elsif ($target eq 'latexsource') {
1000: $currentstring .= "}";
1001: }
1002: return $currentstring;
1003: }
1004:
1005: #-- <code> tag
1006: sub start_code {
1007: my ($target,$token) = @_;
1008: my $currentstring = '';
1009: if ($target eq 'web') {
1010: $currentstring .= $token->[4];
1011: } elsif ($target eq 'tex') {
1012: $currentstring .= '\texttt{';
1013: }
1014: return $currentstring;
1015: }
1016:
1017: sub end_code {
1018: my ($target,$token) = @_;
1019: my $currentstring = '';
1020: if ($target eq 'web') {
1021: $currentstring .= $token->[2];
1022: } elsif ($target eq 'tex') {
1023: $currentstring .= '}';
1024: }
1025: return $currentstring;
1026: }
1027:
1028: #-- <em> tag
1029: sub start_em {
1030: my ($target,$token) = @_;
1031: my $currentstring = '';
1032: if ($target eq 'web') {
1033: $currentstring .= $token->[4];
1034: } elsif ($target eq 'tex') {
1035: $currentstring .= '\emph{';
1036: } elsif ($target eq 'latexsource') {
1037: $currentstring .= '\emph{';
1038: }
1039: return $currentstring;
1040: }
1041:
1042: sub end_em {
1043: my ($target,$token) = @_;
1044: my $currentstring = '';
1045: if ($target eq 'web') {
1046: $currentstring .= $token->[2];
1047: } elsif ($target eq 'tex') {
1048: $currentstring .= '}';
1049: } elsif ($target eq 'latexsource') {
1050: $currentstring .= '}';
1051: }
1052: return $currentstring;
1053: }
1054:
1055: #-- <q> tag
1056: sub start_q {
1057: my ($target,$token) = @_;
1058: my $currentstring = '';
1059: if ($target eq 'web') {
1060: $currentstring .= $token->[4];
1061: } elsif ($target eq 'tex') {
1062: $currentstring .= "\\emph{";
1063: } elsif ($target eq 'latexsource') {
1064: $currentstring .= "\\emph{";
1065: }
1066: return $currentstring;
1067: }
1068:
1069: sub end_q {
1070: my ($target,$token) = @_;
1071: my $currentstring = '';
1072: if ($target eq 'web') {
1073: $currentstring .= $token->[2];
1074: } elsif ($target eq 'tex') {
1075: $currentstring .= "}";
1076: } elsif ($target eq 'latexsource') {
1077: $currentstring .= "}";
1078: }
1079: return $currentstring;
1080: }
1081:
1082: #-- <p> tag
1083: sub start_p {
1084: my ($target,$token) = @_;
1085: my $currentstring = '';
1086: if ($target eq 'web') {
1087: $currentstring .= $token->[4];
1088: } elsif ($target eq 'tex') {
1089: $currentstring .= '{\par ';
1090: } elsif ($target eq 'latexsource') {
1091: $currentstring .= '{\par ';
1092: }
1093: return $currentstring;
1094: }
1095:
1096: sub end_p {
1097: my ($target,$token) = @_;
1098: my $currentstring = '';
1099: if ($target eq 'web') {
1100: $currentstring .= $token->[2];
1101: } elsif ($target eq 'tex') {
1102: $currentstring .= '}';
1103: } elsif ($target eq 'latexsource') {
1104: $currentstring .= '}';
1105: }
1106: return $currentstring;
1107: }
1108:
1109: #-- <br> tag
1110: sub start_br {
1111: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1112: my $currentstring = '';
1113: if ($target eq 'web') {
1114: $currentstring .= $token->[4];
1115: } elsif ($target eq 'tex') {
1116: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
1117: $currentstring .= '\vskip 0.2 mm';
1118: }
1119: } elsif ($target eq 'latexsource') {
1120: $currentstring .= '\\';
1121: }
1122: return $currentstring;
1123: }
1124:
1125: sub end_br {
1126: my ($target,$token) = @_;
1127: my $currentstring = '';
1128: if ($target eq 'web') {
1129: $currentstring .= $token->[2];
1130: }
1131: return $currentstring;
1132: }
1133:
1134: #-- <big> tag
1135: sub start_big {
1136: my ($target,$token) = @_;
1137: my $currentstring = '';
1138: if ($target eq 'web') {
1139: $currentstring .= $token->[4];
1140: } elsif ($target eq 'tex') {
1141: $currentstring .= '{\large ';
1142: } elsif ($target eq 'latexsource') {
1143: $currentstring .= '{\Large ';
1144: }
1145: return $currentstring;
1146: }
1147:
1148: sub end_big {
1149: my ($target,$token) = @_;
1150: my $currentstring = '';
1151: if ($target eq 'web') {
1152: $currentstring .= $token->[2];
1153: } elsif ($target eq 'tex') {
1154: $currentstring .= '}';
1155: } elsif ($target eq 'latexsource') {
1156: $currentstring .= '}';
1157: }
1158: return $currentstring;
1159: }
1160:
1161: #-- <small> tag
1162: sub start_small {
1163: my ($target,$token) = @_;
1164: my $currentstring = '';
1165: if ($target eq 'web') {
1166: $currentstring .= $token->[4];
1167: } elsif ($target eq 'tex') {
1168: $currentstring .= '{\footnotesize ';
1169: } elsif ($target eq 'latexsource') {
1170: $currentstring .= '{\footnotesize ';
1171: }
1172: return $currentstring;
1173: }
1174:
1175: sub end_small {
1176: my ($target,$token) = @_;
1177: my $currentstring = '';
1178: if ($target eq 'web') {
1179: $currentstring .= $token->[2];
1180: } elsif ($target eq 'tex') {
1181: $currentstring .= '}';
1182: } elsif ($target eq 'latexsource') {
1183: $currentstring .= '}';
1184: }
1185: return $currentstring;
1186: }
1187:
1188: #-- <basefont> tag
1189: sub start_basefont {
1190: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1191: my $currentstring = '';
1192: if ($target eq 'web') {
1193: $currentstring = $token->[4];
1194: } elsif ($target eq 'tex') {
1195: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1196: if (defined $basesize) {
1197: $currentstring = '{\\'.$basesize.' ';
1198: }
1199: }
1200: return $currentstring;
1201: }
1202:
1203: sub end_basefont {
1204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1205: my $currentstring = '';
1206: if ($target eq 'web') {
1207: $currentstring = $token->[4];
1208: } elsif ($target eq 'tex') {
1209: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1210: if (defined $basesize) {
1211: $currentstring = '}';
1212: }
1213: }
1214: return $currentstring;
1215: }
1216:
1217: #-- <font> tag
1218: sub start_font {
1219: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1220: my $currentstring = '';
1221: if ($target eq 'web') {
1222: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1223: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
1224: $currentstring = $token->[4];
1225: } elsif ($target eq 'tex') {
1226: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1227: if (defined $fontsize) {
1228: $currentstring = '{\\'.$fontsize.' ';
1229: }
1230: }
1231: return $currentstring;
1232: }
1233:
1234: sub end_font {
1235: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1236: my $currentstring = '';
1237: if ($target eq 'web') {
1238: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1239: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
1240: $currentstring = $token->[2];
1241: } elsif ($target eq 'tex') {
1242: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1243: if (defined $fontsize) {
1244: $currentstring = '}';
1245: }
1246: }
1247: return $currentstring;
1248: }
1249:
1250: #-- <strike> tag
1251: sub start_strike {
1252: my ($target,$token) = @_;
1253: my $currentstring = '';
1254: if ($target eq 'web') {
1255: $currentstring .= $token->[4];
1256: } elsif ($target eq 'tex') {
1257: &Apache::lonxml::startredirection();
1258: }
1259: return $currentstring;
1260: }
1261:
1262: sub end_strike {
1263: my ($target,$token) = @_;
1264: my $currentstring = '';
1265: if ($target eq 'web') {
1266: $currentstring .= $token->[2];
1267: } elsif ($target eq 'tex') {
1268: $currentstring=&Apache::lonxml::endredirection();
1269: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1270: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1271: $currentstring=~s/(\S)\s*$/$1\}/;
1272: }
1273: return $currentstring;
1274: }
1275:
1276: #-- <s> tag
1277: sub start_s {
1278: my ($target,$token) = @_;
1279: my $currentstring = '';
1280: if ($target eq 'web') {
1281: $currentstring .= $token->[4];
1282: } elsif ($target eq 'tex') {
1283: &Apache::lonxml::startredirection();
1284: }
1285: return $currentstring;
1286: }
1287:
1288: sub end_s {
1289: my ($target,$token) = @_;
1290: my $currentstring = '';
1291: if ($target eq 'web') {
1292: $currentstring .= $token->[2];
1293: } elsif ($target eq 'tex') {
1294: $currentstring=&Apache::lonxml::endredirection();
1295: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1296: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1297: $currentstring=~s/(\S)\s*$/$1\}/;
1298: }
1299: return $currentstring;
1300: }
1301:
1302: #-- <sub> tag
1303: sub start_sub {
1304: my ($target,$token) = @_;
1305: my $currentstring = '';
1306: if ($target eq 'web') {
1307: $currentstring .= $token->[4];
1308: } elsif ($target eq 'tex') {
1309: $currentstring .= "\$_{ ";
1310: }
1311: return $currentstring;
1312: }
1313:
1314: sub end_sub {
1315: my ($target,$token) = @_;
1316: my $currentstring = '';
1317: if ($target eq 'web') {
1318: $currentstring .= $token->[2];
1319: } elsif ($target eq 'tex') {
1320: $currentstring .= " }\$";
1321: }
1322: return $currentstring;
1323: }
1324:
1325: #-- <sup> tag
1326: sub start_sup {
1327: my ($target,$token) = @_;
1328: my $currentstring = '';
1329: if ($target eq 'web') {
1330: $currentstring .= $token->[4];
1331: } elsif ($target eq 'tex') {
1332: $currentstring .= "\$^{ ";
1333: }
1334: return $currentstring;
1335: }
1336:
1337: sub end_sup {
1338: my ($target,$token) = @_;
1339: my $currentstring = '';
1340: if ($target eq 'web') {
1341: $currentstring .= $token->[2];
1342: } elsif ($target eq 'tex') {
1343: $currentstring .= " }\$";
1344: }
1345: return $currentstring;
1346: }
1347:
1348: #-- <hr> tag
1349: sub start_hr {
1350: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1351: my $currentstring = '';
1352: if ($target eq 'web') {
1353: $currentstring .= $token->[4];
1354: } elsif ($target eq 'tex') {
1355: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,0);
1356: if (defined $LaTeXwidth) {
1357: if ($LaTeXwidth=~/^%/) {
1358: substr($LaTeXwidth,0,1)='';
1359: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1360: }
1361: } else {
1362: $LaTeXwidth ='0.95\textwidth';
1363: }
1364: my ($pre,$post);
1365: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1366: if (($align eq 'center') || (not defined $align)) {
1367: $pre=''; $post='';
1368: } elsif ($align eq 'left') {
1369: $pre='\rlap{'; $post='} \hfill';
1370: } elsif ($align eq 'right') {
1371: $pre=' \hfill \llap{'; $post='}';
1372: }
1373: $currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['.
1374: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1375: }
1376: return $currentstring;
1377: }
1378:
1379: sub end_hr {
1380: my ($target,$token) = @_;
1381: my $currentstring = '';
1382: if ($target eq 'web') {
1383: $currentstring .= $token->[2];
1384: } elsif ($target eq 'tex') {
1385: }
1386: return $currentstring;
1387: }
1388:
1389: #-- <div> tag
1390: sub start_div {
1391: my ($target,$token) = @_;
1392: my $currentstring = '';
1393: if ($target eq 'web') {
1394: $currentstring .= $token->[4];
1395: }
1396: return $currentstring;
1397: }
1398:
1399: sub end_div {
1400: my ($target,$token) = @_;
1401: my $currentstring = '';
1402: if ($target eq 'web') {
1403: $currentstring .= $token->[2];
1404: }
1405: return $currentstring;
1406: }
1407:
1408: #-- <a> tag
1409: sub start_a {
1410: my ($target,$token) = @_;
1411: my $currentstring = '';
1412: if ($target eq 'web') {
1413: $currentstring .= $token->[4];
1414: } elsif ($target eq 'tex') {
1415: }
1416: return $currentstring;
1417: }
1418:
1419: sub end_a {
1420: my ($target,$token,$tagstack,$stackref) = @_;
1421: my $currentstring = '';
1422: if ($target eq 'web') {
1423: $currentstring .= $token->[2];
1424: } elsif ($target eq 'tex') {
1425: my $tempor_var = $stackref->[$#$stackref];
1426: if (index($tempor_var,'name') != -1 ) {
1427: $tempor_var =~ s/name=([^,]*),/$1/g;
1428: } elsif (index($tempor_var,'href') != -1 ) {
1429: $tempor_var =~ s/href=([^,]*),/$1/g;
1430: $currentstring .= " \\ref{$tempor_var}";
1431: }
1432: }
1433: return $currentstring;
1434: }
1435:
1436: #-- <li> tag
1437: sub start_li {
1438: my ($target,$token,$tagstack,$stackref) = @_;
1439: my $currentstring = '';
1440: if ($target eq 'web') {
1441: $currentstring = $token->[4];
1442: } elsif ($target eq 'tex') {
1443: my $tempor_var = $stackref->[$#$stackref];
1444: if (index($tempor_var,'circle') != -1 ) {
1445: $currentstring .= " \\item[o] ";
1446: } elsif (index($tempor_var,'square') != -1 ) {
1447: $currentstring .= " \\item[$\Box$] ";
1448: } elsif ($tempor_var ne '') {
1449: $_ = $tempor_var;
1450: m/my\s*([^=]*)=/;
1451: $currentstring .= " \\item[$1] ";
1452: } else {
1453: $currentstring .= " \\item ";
1454: }
1455: }
1456: return $currentstring;
1457: }
1458:
1459: sub end_li {
1460: my ($target,$token) = @_;
1461: my $currentstring = '';
1462: if ($target eq 'web') {
1463: $currentstring = $token->[2];
1464: }
1465: return $currentstring;
1466: }
1467:
1468: #-- <u> tag
1469: sub start_u {
1470: my ($target,$token) = @_;
1471: my $currentstring = '';
1472: if ($target eq 'web') {
1473: $currentstring .= $token->[4];
1474: } elsif ($target eq 'tex') {
1475: &Apache::lonxml::startredirection();
1476: }
1477: return $currentstring;
1478: }
1479:
1480: sub end_u {
1481: my ($target,$token) = @_;
1482: my $currentstring = '';
1483: if ($target eq 'web') {
1484: $currentstring .= $token->[2];
1485: } elsif ($target eq 'tex') {
1486: $currentstring=&Apache::lonxml::endredirection();
1487: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1488: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1489: $currentstring=~s/(\S)\s*$/$1\}/;
1490: }
1491: return $currentstring;
1492: }
1493:
1494: #-- <ul> tag
1495: sub start_ul {
1496: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1497: my $currentstring = '';
1498: if ($target eq 'web') {
1499: $currentstring = $token->[4];
1500: } elsif ($target eq 'tex') {
1501: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1502: if ($TeXtype eq 'disc') {
1503: $currentstring .= ' \renewcommand{\labelitemi}{$\bullet$}
1504: \renewcommand{\labelitemii}{$\bullet$}
1505: \renewcommand{\labelitemiii}{$\bullet$}
1506: \renewcommand{\labelitemiv}{$\bullet$}';
1507: } elsif ($TeXtype eq 'circle') {
1508: $currentstring .= ' \renewcommand{\labelitemi}{$\circ$}
1509: \renewcommand{\labelitemii}{$\circ$}
1510: \renewcommand{\labelitemiii}{$\circ$}
1511: \renewcommand{\labelitemiv}{$\circ$}';
1512: } elsif ($TeXtype eq 'square') {
1513: $currentstring .= ' \renewcommand{\labelitemi}{$\diamond$}
1514: \renewcommand{\labelitemii}{$\diamond$}
1515: \renewcommand{\labelitemiii}{$\diamond$}
1516: \renewcommand{\labelitemiv}{$\diamond$}';
1517: }
1518: $currentstring .= '\begin{itemize}';
1519: }
1520: return $currentstring;
1521: }
1522:
1523: sub end_ul {
1524: my ($target,$token) = @_;
1525: my $currentstring = '';
1526: if ($target eq 'web') {
1527: $currentstring = $token->[2];
1528: } elsif ($target eq 'tex') {
1529: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}
1530: \renewcommand{\labelitemii}{$\bullet$}
1531: \renewcommand{\labelitemiii}{$\bullet$}
1532: \renewcommand{\labelitemiv}{$\bullet$}';
1533: }
1534: return $currentstring;
1535: }
1536:
1537: #-- <menu> tag
1538: sub start_menu {
1539: my ($target,$token) = @_;
1540: my $currentstring = '';
1541: if ($target eq 'web') {
1542: $currentstring = $token->[4];
1543: } elsif ($target eq 'tex') {
1544: $currentstring = " \\begin{itemize} ";
1545: }
1546: return $currentstring;
1547: }
1548:
1549: sub end_menu {
1550: my ($target,$token) = @_;
1551: my $currentstring = '';
1552: if ($target eq 'web') {
1553: $currentstring = $token->[2];
1554: } elsif ($target eq 'tex') {
1555: $currentstring = " \\end{itemize}";
1556: }
1557: return $currentstring;
1558: }
1559:
1560: #-- <dir> tag
1561: sub start_dir {
1562: my ($target,$token) = @_;
1563: my $currentstring = '';
1564: if ($target eq 'web') {
1565: $currentstring = $token->[4];
1566: } elsif ($target eq 'tex') {
1567: $currentstring = " \\begin{itemize} ";
1568: }
1569: return $currentstring;
1570: }
1571:
1572: sub end_dir {
1573: my ($target,$token) = @_;
1574: my $currentstring = '';
1575: if ($target eq 'web') {
1576: $currentstring = $token->[2];
1577: } elsif ($target eq 'tex') {
1578: $currentstring = " \\end{itemize}";
1579: }
1580: return $currentstring;
1581: }
1582:
1583: #-- <ol> tag
1584: sub start_ol {
1585: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1586: my $currentstring = '';
1587: if ($target eq 'web') {
1588: $currentstring = $token->[4];
1589: } elsif ($target eq 'tex') {
1590: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1591: if ($type eq '1') {
1592: $currentstring .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}
1593: \renewcommand{\labelenumii}{\arabic{enumii}.}
1594: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1595: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1596: } elsif ($type eq 'A') {
1597: $currentstring .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
1598: \renewcommand{\labelenumii}{\Alph{enumii}.}
1599: \renewcommand{\labelenumiii}{\Alph{enumiii}.}
1600: \renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1601: } elsif ($type eq 'a') {
1602: $currentstring .= ' \renewcommand{\labelenumi}{\alph{enumi}.}
1603: \renewcommand{\labelenumii}{\alph{enumii}.}
1604: \renewcommand{\labelenumiii}{\alph{enumiii}.}
1605: \renewcommand{\labelenumiv}{\alph{enumiv}.} ';
1606: } elsif ($type eq 'i') {
1607: $currentstring .= ' \renewcommand{\labelenumi}{\roman{enumi}.}
1608: \renewcommand{\labelenumii}{\roman{enumii}.}
1609: \renewcommand{\labelenumiii}{\roman{enumiii}.}
1610: \renewcommand{\labelenumiv}{\roman{enumiv}.} ';
1611: } elsif ($type eq 'I') {
1612: $currentstring .= ' \renewcommand{\labelenumi}{\Roman{enumi}.}
1613: \renewcommand{\labelenumii}{\Roman{enumii}.}
1614: \renewcommand{\labelenumiii}{\Roman{enumiii}.}
1615: \renewcommand{\labelenumiv}{\Roman{enumiv}.} ';
1616: }
1617: $currentstring .= '\begin{enumerate}';
1618: }
1619: return $currentstring;
1620: }
1621:
1622: sub end_ol {
1623: my ($target,$token) = @_;
1624: my $currentstring = '';
1625: if ($target eq 'web') {
1626: $currentstring = $token->[2];
1627: } elsif ($target eq 'tex') {
1628: $currentstring = '\end{enumerate} \renewcommand{\labelenumi}{\arabic{enumi}.}
1629: \renewcommand{\labelenumii}{\arabic{enumii}.}
1630: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1631: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1632: }
1633: return $currentstring;
1634: }
1635:
1636: #-- <dl> tag
1637: sub start_dl {
1638: my ($target,$token) = @_;
1639: my $currentstring = '';
1640: if ($target eq 'web') {
1641: $currentstring = $token->[4];
1642: } elsif ($target eq 'tex') {
1643: $currentstring = '\begin{description}';
1644: }
1645: return $currentstring;
1646: }
1647:
1648: sub end_dl {
1649: my ($target,$token) = @_;
1650: my $currentstring = '';
1651: if ($target eq 'web') {
1652: $currentstring = $token->[2];
1653: } elsif ($target eq 'tex') {
1654: $currentstring = '\end{description}';
1655: }
1656: return $currentstring;
1657: }
1658:
1659: #-- <dt> tag
1660: sub start_dt {
1661: my ($target,$token) = @_;
1662: my $currentstring = '';
1663: if ($target eq 'web') {
1664: $currentstring = $token->[4];
1665: } elsif ($target eq 'tex') {
1666: $currentstring = '\item[';
1667: }
1668: return $currentstring;
1669: }
1670:
1671: sub end_dt {
1672: my ($target,$token) = @_;
1673: my $currentstring = '';
1674: if ($target eq 'web') {
1675: $currentstring = $token->[2];
1676: } elsif ($target eq 'tex') {
1677: $currentstring = ']';
1678: }
1679: return $currentstring;
1680: }
1681:
1682: #-- <dd> tag
1683: sub start_dd {
1684: my ($target,$token) = @_;
1685: my $currentstring = '';
1686: if ($target eq 'web') {
1687: $currentstring = $token->[4];
1688: }
1689: return $currentstring;
1690: }
1691:
1692: sub end_dd {
1693: my ($target,$token) = @_;
1694: my $currentstring = '';
1695: if ($target eq 'web') {
1696: $currentstring = $token->[2];
1697: }
1698: return $currentstring;
1699: }
1700:
1701: #-- <table> tag
1702: sub start_table {
1703: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1704: my $textwidth;
1705: if (not defined @Apache::londefdef::table) {
1706: $textwidth=&recalc($ENV{'form.textwidth'});
1707: $textwidth=~/(\d+\.?\d*)/;
1708: $textwidth=0.95*$1;
1709: } else {
1710: $textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1711: }
1712: my $currentstring = '';
1713: if ($target eq 'web') {
1714: $currentstring = $token->[4];
1715: } elsif ($target eq 'tex') {
1716: my $aa = {};
1717: push @Apache::londefdef::table, $aa;
1718: $Apache::londefdef::table[-1]{'row_number'} = -1;
1719: #table's width
1720: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1721: if (not defined $TeXwidth) {
1722: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
1723: if ($htmlwidth=~/%/) {
1724: $htmlwidth=~/(\d+)/;
1725: my $value=$1*$textwidth/100;
1726: $Apache::londefdef::table[-1]{'width'}=$value;
1727: } else {
1728: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1729: }
1730: } elsif ($TeXwidth=~/%/) {
1731: $TeXwidth=~/(\d+)/;
1732: my $value=$1*$textwidth/100;
1733: $Apache::londefdef::table[-1]{'width'}=$value;
1734: } else {
1735: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1736: }
1737: #table's border
1738: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
1739: unless (defined $border) { $border = 0; }
1740: if ($border) {
1741: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1742: $Apache::londefdef::table[-1]{'vinc'} = '&';
1743: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1744: } else {
1745: $Apache::londefdef::table[-1]{'hinc'} = '';
1746: $Apache::londefdef::table[-1]{'vinc'} = '&';
1747: $Apache::londefdef::table[-1]{'vvinc'} = '';
1748: }
1749: $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
1750: $currentstring = '\keephidden{NEW TABLE ENTRY '.$textwidth.'}';
1751: }
1752: return $currentstring;
1753: }
1754:
1755: sub end_table {
1756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1757: my $currentstring = '';
1758: if ($target eq 'web') {
1759: $currentstring = $token->[2];
1760: } elsif ($target eq 'tex') {
1761: my $inmemory = '';
1762: my $output = '';
1763: #construct header of the table
1764: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1765: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
1766: $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
1767: }
1768: $header_of_table .= '}';
1769: #define the length of the table cells
1770: #always starts with TeXwidth (if defined everything else is ignored)
1771: my @length_row_final = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[0]);
1772: for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1773: my @length_row = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[$in]);
1774: for (my $jn=0;$jn<=$#length_row;$jn++) {
1775: if ($length_row_final[$jn]<$length_row[$jn]) {$length_row_final[$jn]=$length_row[$jn];}
1776: }
1777: }
1778: #continues trying estimate the width of raw data
1779: my @length_raw_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
1780: for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1781: my @length_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[$in]);
1782: for (my $jn=0;$jn<=$#length_row;$jn++) {
1783: if ($length_raw_row[$jn]<$length_row[$jn]) {$length_raw_row[$jn]=$length_row[$jn];}
1784: }
1785: }
1786: #comparing of TeXwidth and raw data width
1787: my $available_length=$Apache::londefdef::table[-1]{'width'};
1788: my $needed=0;
1789: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1790: if ($length_row_final[$jn]!=0) {
1791: $available_length=$available_length-$length_row_final[$jn];
1792: $needed++;
1793: }
1794: }
1795: $needed=$#length_row_final-$needed+1;
1796: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1797: if ($length_row_final[$jn]==0) {
1798: if ($length_raw_row[$jn]<$available_length/3) {
1799: $length_row_final[$jn]=$length_raw_row[$jn];
1800: $available_length=$available_length-$length_raw_row[$jn];
1801: $needed--;
1802: }
1803: }
1804: }
1805: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1806: if ($length_row_final[$jn]==0) {
1807: $length_row_final[$jn]=0.9*$available_length/$needed;
1808: }
1809: }
1810: #fill the table
1811: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1812: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1813: my $substituted=$length_row_final[$jn];
1814: $Apache::londefdef::table[-1]{'rowdata'}[$in]=~s/TOBECHANGEDONNUMBER/$substituted mm/;
1815: }
1816: $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
1817: chop $output;
1818: $output .= ' \\\\ ';
1819: }
1820: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
1821: if ($#Apache::londefdef::table > 0) {
1822: my $inmemory = $Apache::londefdef::table[-1]{'output'};
1823: pop @Apache::londefdef::table;
1824: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1825: } else {
1826: $currentstring .= $Apache::londefdef::table[-1]{'output'};
1827: pop @Apache::londefdef::table;
1828: }
1829: }
1830: return $currentstring;
1831: }
1832:
1833: #-- <tr> tag
1834: sub start_tr {
1835: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1836: my $currentstring = '';
1837: if ($target eq 'web') {
1838: $currentstring = $token->[4];
1839: } elsif ($target eq 'tex') {
1840: $Apache::londefdef::table[-1]{'row_number'}++;
1841: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1842: if ($alignchar ne '') {
1843: push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
1844: } else {
1845: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
1846: }
1847: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1848: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1849: $Apache::londefdef::table[-1]{'TeXlength'} = '';
1850: $Apache::londefdef::table[-1]{'length'} = '';
1851: }
1852: return $currentstring;
1853: }
1854:
1855: sub end_tr {
1856: my ($target,$token) = @_;
1857: my $currentstring = '';
1858: if ($target eq 'web') {
1859: $currentstring = $token->[2];
1860: } elsif ($target eq 'tex') {
1861: push @{ $Apache::londefdef::table[-1]{'TeXlengthrow'} },$Apache::londefdef::table[-1]{'TeXlength'};
1862: push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
1863: }
1864: return $currentstring;
1865: }
1866:
1867: #-- <td> tag
1868: sub start_td {
1869: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1870: my $currentstring = '';
1871: if ($target eq 'web') {
1872: $currentstring = $token->[4];
1873: } elsif ($target eq 'tex') {
1874: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1875: if ($what_to_push eq '') {
1876: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1877: }
1878: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1879: $Apache::londefdef::table[-1]{'counter_columns'}++;
1880: &Apache::lonxml::startredirection();
1881: }
1882: return $currentstring;
1883: }
1884:
1885: sub end_td {
1886: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1887: my $currentstring = '';
1888: if ($target eq 'web') {
1889: $currentstring = $token->[2];
1890: } elsif ($target eq 'tex') {
1891: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1892: my $data=&Apache::lonxml::endredirection();
1893: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1894: if (defined $TeXwidth) {
1895: my $current_length=&recalc($TeXwidth);
1896: $current_length=~/(\d+)/;
1897: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1898: $Apache::londefdef::table[-1]{'length'} .= '0,';
1899: } else {
1900: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
1901: my $current_length=&recalc($1);
1902: $current_length=~/(\d+\.?\d*)/;
1903: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1904: $Apache::londefdef::table[-1]{'length'} .= '0,';
1905: } else {
1906: $data=~/^\s*(\S.*)/;
1907: $data=$1;
1908: $data=~/(.*\S)\s*$/;
1909: $data=$1;
1910: my $current_length=2*length($data);
1911: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
1912: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
1913: }
1914: }
1915: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
1916: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
1917: }
1918: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1919: }
1920: return $currentstring;
1921: }
1922:
1923: #-- <th> tag
1924: sub start_th {
1925: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1926: my $currentstring = '';
1927: if ($target eq 'web') {
1928: $currentstring = $token->[4];
1929: } elsif ($target eq 'tex') {
1930: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1931: if ($what_to_push eq '') {
1932: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1933: }
1934: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1935: $Apache::londefdef::table[-1]{'counter_columns'}++;
1936: &Apache::lonxml::startredirection();
1937: }
1938: return $currentstring;
1939: }
1940:
1941: sub end_th {
1942: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1943: my $currentstring = '';
1944: if ($target eq 'web') {
1945: $currentstring = $token->[2];
1946: } elsif ($target eq 'tex') {
1947: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1948: my $data=&Apache::lonxml::endredirection();
1949: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1950: if (defined $TeXwidth) {
1951: my $current_length=&recalc($TeXwidth);
1952: $current_length=~/(\d+)/;
1953: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1954: $Apache::londefdef::table[-1]{'length'} .= '0,';
1955: } else {
1956: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
1957: my $current_length=&recalc($1);
1958: $current_length=~/(\d+)/;
1959: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1960: $Apache::londefdef::table[-1]{'length'} .= '0,';
1961: } else {
1962: $data=~/^\s*(\S.*)/;
1963: $data=$1;
1964: $data=~/(.*\S)\s*$/;
1965: $data=$1;
1966: my $current_length=2*length($data);
1967: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
1968: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
1969: }
1970: }
1971: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
1972: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
1973: }
1974: $data='\textbf{'.$data.'}';
1975: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1976: }
1977: return $currentstring;
1978: }
1979: #-- <img> tag
1980: sub start_img {
1981: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1982: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
1983: undef,1);
1984: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1985: my $currentstring = '';
1986: my $width_param = '';
1987: my $height_param = '';
1988: my $scaling = .3;
1989:
1990: if ($target eq 'web') {
1991: if ($ENV{'browser.imagesuppress'} ne 'on') {
1992: $currentstring = $token->[4];
1993: } else {
1994: my $alttag= &Apache::lonxml::get_param
1995: ('alt',$parstack,$safeeval,undef,1);
1996: unless ($alttag) {
1997: $alttag=&Apache::lonmeta::alttag
1998: ($Apache::lonxml::pwd[-1],$src);
1999: }
2000: $currentstring='[IMAGE: '.$alttag.']';
2001: }
2002: } elsif ($target eq 'tex') {
2003: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
2004: &image_replication($src);
2005:
2006: #if original gif/jpg/png file exist do following:
2007: if (-e $src) {
2008: #defines the default size of image
2009: my $image = Image::Magick->new;
2010: my $current_figure = $image->Read($src);
2011: $width_param = $image->Get('width') * $scaling;;
2012: $height_param = $image->Get('height') * $scaling;;
2013: undef $image;
2014: #do we have any specified size of the picture?
2015: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
2016: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
2017: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
2018: undef,1);
2019: if ($TeXwidth ne '') {
2020: if ($TeXwidth=~/(\d+)\s*\%/) {
2021: $width_param = $1*$ENV{'form.textwidth'}/100;
2022: } else {
2023: $width_param = $TeXwidth;
2024: }
2025: } elsif ($TeXheight ne '') {
2026: $width_param = $TeXheight/$height_param*$width_param;
2027: } elsif ($width ne '') {
2028: $width_param = $width*$scaling;
2029: }
2030: my $file;
2031: my $path;
2032: if ($src =~ m!(.*)/([^/]*)$!) {
2033: $file = $2;
2034: $path = $1.'/';
2035: }
2036: my $newsrc = $src;
2037: $newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
2038: $file=~s/\.(gif|jpg|png)$/.eps/i;
2039: #where can we find the picture?
2040: if (-e $newsrc) {
2041: #eps counterpart for image exist
2042: if ($path) {
2043: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2044: }
2045: } else {
2046: #there is no eps counterpart for image - check for ps one
2047: $newsrc =~ s/\.eps$/\.ps/;
2048: if (-e $newsrc) {
2049: #ps counterpart for image exist
2050: $file =~ s/\.eps$/\.ps/;
2051: if ($path) {
2052: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2053: }
2054: } else {
2055: #there aren't eps or ps - so create eps
2056: my $temp_file;
2057: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
2058: $temp_file = Apache::File->new('>>'.$filename);
2059: print $temp_file "$src\n";
2060: $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2061: }
2062: }
2063: } else {
2064: #original image file doesn't exist so check the alt attribute
2065: my $alt =
2066: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2067: unless ($alt) {
2068: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2069: }
2070:
2071: if ($alt) {
2072: $currentstring .= ' '.$alt.' ';
2073: } else {
2074: #<allow> tag will care about replication
2075: }
2076: }
2077: }
2078: return $currentstring;
2079: }
2080:
2081: sub end_img {
2082: my ($target,$token) = @_;
2083: my $currentstring = '';
2084: if ($target eq 'web') {
2085: $currentstring = $token->[2];
2086: } elsif ($target eq 'tex') {
2087: $currentstring = '';
2088: }
2089: return $currentstring;
2090: }
2091:
2092: #-- <applet> tag
2093: sub start_applet {
2094: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2095:
2096: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
2097: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
2098:
2099: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2100: undef,1);
2101: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
2102:
2103: my $currentstring = '';
2104: if ($target eq 'web') {
2105: if ($ENV{'browser.appletsuppress'} ne 'on') {
2106: $currentstring = $token->[4];
2107: } else {
2108: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2109: $safeeval,undef,1);
2110: unless ($alttag) {
2111: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2112: $code);
2113: }
2114: $currentstring='[APPLET: '.$alttag.']';
2115: }
2116: } elsif ($target eq 'tex') {
2117: $currentstring = " \\begin{figure} ";
2118: }
2119: return $currentstring;
2120: }
2121:
2122: sub end_applet {
2123: my ($target,$token) = @_;
2124: my $currentstring = '';
2125: if ($target eq 'web') {
2126: $currentstring = $token->[2];
2127: } elsif ($target eq 'tex') {
2128: $currentstring = " \\end{figure}";
2129: }
2130: return $currentstring;
2131: }
2132:
2133: #-- <embed> tag
2134: sub start_embed {
2135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2136: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2137: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2138: my $currentstring = '';
2139: if ($target eq 'web') {
2140: if ($ENV{'browser.embedsuppress'} ne 'on') {
2141: $currentstring = $token->[4];
2142: } else {
2143: my $alttag=&Apache::lonxml::get_param
2144: ('alt',$parstack,$safeeval,undef,1);
2145: unless ($alttag) {
2146: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2147: }
2148: $currentstring='[EMBED: '.$alttag.']';
2149: }
2150: } elsif ($target eq 'tex') {
2151: $currentstring = " \\begin{figure} ";
2152: }
2153: return $currentstring;
2154: }
2155:
2156: sub end_embed {
2157: my ($target,$token) = @_;
2158: my $currentstring = '';
2159: if ($target eq 'web') {
2160: $currentstring = $token->[2];
2161: } elsif ($target eq 'tex') {
2162: $currentstring = " \\end{figure}";
2163: }
2164: return $currentstring;
2165: }
2166:
2167: #-- <param> tag
2168: sub start_param {
2169: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2170: if (&Apache::lonxml::get_param
2171: ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
2172: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2173: &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
2174: }
2175: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2176: &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2177: my $currentstring = '';
2178: if ($target eq 'web') {
2179: $currentstring = $token->[4];
2180: } elsif ($target eq 'tex') {
2181: $currentstring = " \\begin{figure} ";
2182: }
2183: return $currentstring;
2184: }
2185:
2186: sub end_param {
2187: my ($target,$token) = @_;
2188: my $currentstring = '';
2189: if ($target eq 'web') {
2190: $currentstring = $token->[2];
2191: } elsif ($target eq 'tex') {
2192: $currentstring = " \\end{figure}";
2193: }
2194: return $currentstring;
2195: }
2196:
2197: #-- <allow> tag
2198: sub start_allow {
2199: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2200: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2201: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
2202: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2203: &Apache::lonnet::clutter($src);
2204: &image_replication($src);
2205: my $result;
2206: if ($target eq 'edit') {
2207: $result .=&Apache::edit::tag_start($target,$token);
2208: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
2209: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
2210: } elsif ($target eq 'modified') {
2211: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2212: $safeeval,'src');
2213: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2214: }
2215: return $result;
2216: }
2217:
2218: sub end_allow {
2219: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2220: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
2221: return '';
2222: }
2223:
2224: #-- Frames
2225: sub start_frameset {
2226: my ($target,$token) = @_;
2227: my $currentstring = '';
2228: if ($target eq 'web') {
2229: if (!$Apache::lonxml::registered) {
2230: $currentstring.='<head>'.
2231: &Apache::lonmenu::registerurl(undef,$target).'</head>';
2232: }
2233: my $onLoad='';
2234: foreach my $key (keys(%{$token->[2]})) {
2235: if ($key =~ /^onload$/i) {
2236: $onLoad.=$token->[2]->{$key}.';';
2237: delete($token->[2]->{$key});
2238: }
2239: }
2240: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
2241: my $onUnload='';
2242: foreach my $key (keys(%{$token->[2]})) {
2243: if ($key =~ /^onunload$/i) {
2244: $onUnload.=$token->[2]->{$key}.';';
2245: delete($token->[2]->{$key});
2246: }
2247: }
2248: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
2249: ';'.$onUnload;
2250:
2251: $currentstring .= '<'.$token->[1];
2252: foreach (keys %{$token->[2]}) {
2253: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
2254: }
2255: $currentstring.='>';
2256: }
2257: return $currentstring;
2258: }
2259:
2260: sub end_frameset {
2261: my ($target,$token) = @_;
2262: my $currentstring = '';
2263: if ($target eq 'web') {
2264: $currentstring = $token->[2];
2265: }
2266: return $currentstring;
2267: }
2268:
2269: #-- <pre>
2270: sub start_pre {
2271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2272: my $currentstring = '';
2273: if ($target eq 'web') {
2274: $currentstring .= $token->[4];
2275: } elsif ($target eq 'tex') {
2276: $currentstring .= '\begin{verbatim}';
2277: }
2278: return $currentstring;
2279: }
2280:
2281: sub end_pre {
2282: my ($target,$token) = @_;
2283: my $currentstring = '';
2284: if ($target eq 'web') {
2285: $currentstring .= $token->[2];
2286: } elsif ($target eq 'tex') {
2287: $currentstring .= '\end{verbatim}';
2288: }
2289: return $currentstring;
2290: }
2291:
2292: #-- <insert>
2293: sub start_insert {
2294: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2295: my $currentstring = '';
2296: if ($target eq 'web') {
2297: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2298: $currentstring .= '<b>'.$display.'</b>';;
2299: }
2300: return $currentstring;
2301: }
2302:
2303: sub end_insert {
2304: my ($target,$token) = @_;
2305: my $currentstring = '';
2306: if ($target eq 'web') {
2307: $currentstring .= '';
2308: }
2309: return $currentstring;
2310: }
2311:
2312: #-- <externallink>
2313: sub start_externallink {
2314: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2315: my $currentstring = '';
2316: if ($target eq 'web') {
2317: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2318: $currentstring .= '<b>'.$display.'</b>';;
2319: }
2320: return $currentstring;
2321: }
2322:
2323: sub end_externallink {
2324: my ($target,$token) = @_;
2325: my $currentstring = '';
2326: if ($target eq 'web') {
2327: $currentstring .= '';
2328: }
2329: return $currentstring;
2330: }
2331:
2332: #-- <blankspace heigth="">
2333: sub start_blankspace {
2334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2335: my $currentstring = '';
2336: if ($target eq 'tex') {
2337: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
2338: $currentstring .= '\vskip '.$howmuch.' ';
2339: }
2340: return $currentstring;
2341: }
2342:
2343: sub end_blankspace {
2344: my ($target,$token) = @_;
2345: my $currentstring = '';
2346: if ($target eq 'tex') {
2347: $currentstring .= '';
2348: }
2349: return $currentstring;
2350: }
2351:
2352: #-- <abbr> tag
2353: sub start_abbr {
2354: my ($target,$token) = @_;
2355: my $currentstring = '';
2356: if ($target eq 'web') {
2357: $currentstring = $token->[4];
2358: }
2359: return $currentstring;
2360: }
2361:
2362: sub end_abbr {
2363: my ($target,$token) = @_;
2364: my $currentstring = '';
2365: if ($target eq 'web') {
2366: $currentstring = $token->[2];
2367: }
2368: return $currentstring;
2369: }
2370:
2371: #-- <acronym> tag
2372: sub start_acronym {
2373: my ($target,$token) = @_;
2374: my $currentstring = '';
2375: if ($target eq 'web') {
2376: $currentstring = $token->[4];
2377: }
2378: return $currentstring;
2379: }
2380:
2381: sub end_acronym {
2382: my ($target,$token) = @_;
2383: my $currentstring = '';
2384: if ($target eq 'web') {
2385: $currentstring = $token->[2];
2386: }
2387: return $currentstring;
2388: }
2389:
2390: #-- <area> tag
2391: sub start_area {
2392: my ($target,$token) = @_;
2393: my $currentstring = '';
2394: if ($target eq 'web') {
2395: $currentstring = $token->[4];
2396: }
2397: return $currentstring;
2398: }
2399:
2400: sub end_area {
2401: my ($target,$token) = @_;
2402: my $currentstring = '';
2403: if ($target eq 'web') {
2404: $currentstring = $token->[2];
2405: }
2406: return $currentstring;
2407: }
2408:
2409: #-- <base> tag
2410: sub start_base {
2411: my ($target,$token) = @_;
2412: my $currentstring = '';
2413: if ($target eq 'web') {
2414: $currentstring = $token->[4];
2415: }
2416: return $currentstring;
2417: }
2418:
2419: sub end_base {
2420: my ($target,$token) = @_;
2421: my $currentstring = '';
2422: if ($target eq 'web') {
2423: $currentstring = $token->[2];
2424: }
2425: return $currentstring;
2426: }
2427:
2428: #-- <bdo> tag
2429: sub start_bdo {
2430: my ($target,$token) = @_;
2431: my $currentstring = '';
2432: if ($target eq 'web') {
2433: $currentstring = $token->[4];
2434: }
2435: return $currentstring;
2436: }
2437:
2438: sub end_bdo {
2439: my ($target,$token) = @_;
2440: my $currentstring = '';
2441: if ($target eq 'web') {
2442: $currentstring = $token->[2];
2443: }
2444: return $currentstring;
2445: }
2446:
2447: #-- <bgsound> tag
2448: sub start_bgsound {
2449: my ($target,$token) = @_;
2450: my $currentstring = '';
2451: if ($target eq 'web') {
2452: $currentstring = $token->[4];
2453: }
2454: return $currentstring;
2455: }
2456:
2457: sub end_bgsound {
2458: my ($target,$token) = @_;
2459: my $currentstring = '';
2460: if ($target eq 'web') {
2461: $currentstring = $token->[2];
2462: }
2463: return $currentstring;
2464: }
2465:
2466: #-- <blink> tag
2467: sub start_blink {
2468: my ($target,$token) = @_;
2469: my $currentstring = '';
2470: if ($target eq 'web') {
2471: $currentstring = $token->[4];
2472: }
2473: return $currentstring;
2474: }
2475:
2476: sub end_blink {
2477: my ($target,$token) = @_;
2478: my $currentstring = '';
2479: if ($target eq 'web') {
2480: $currentstring = $token->[2];
2481: }
2482: return $currentstring;
2483: }
2484:
2485: #-- <blockquote> tag
2486: sub start_blockquote {
2487: my ($target,$token) = @_;
2488: my $currentstring = '';
2489: if ($target eq 'web') {
2490: $currentstring = $token->[4];
2491: }
2492: return $currentstring;
2493: }
2494:
2495: sub end_blockquote {
2496: my ($target,$token) = @_;
2497: my $currentstring = '';
2498: if ($target eq 'web') {
2499: $currentstring = $token->[2];
2500: }
2501: return $currentstring;
2502: }
2503:
2504: #-- <button> tag
2505: sub start_button {
2506: my ($target,$token) = @_;
2507: my $currentstring = '';
2508: if ($target eq 'web') {
2509: $currentstring = $token->[4];
2510: }
2511: return $currentstring;
2512: }
2513:
2514: sub end_button {
2515: my ($target,$token) = @_;
2516: my $currentstring = '';
2517: if ($target eq 'web') {
2518: $currentstring = $token->[2];
2519: }
2520: return $currentstring;
2521: }
2522:
2523: #-- <caption> tag
2524: sub start_caption {
2525: my ($target,$token) = @_;
2526: my $currentstring = '';
2527: if ($target eq 'web') {
2528: $currentstring = $token->[4];
2529: }
2530: return $currentstring;
2531: }
2532:
2533: sub end_caption {
2534: my ($target,$token) = @_;
2535: my $currentstring = '';
2536: if ($target eq 'web') {
2537: $currentstring = $token->[2];
2538: }
2539: return $currentstring;
2540: }
2541:
2542: #-- <col> tag
2543: sub start_col {
2544: my ($target,$token) = @_;
2545: my $currentstring = '';
2546: if ($target eq 'web') {
2547: $currentstring = $token->[4];
2548: }
2549: return $currentstring;
2550: }
2551:
2552: sub end_col {
2553: my ($target,$token) = @_;
2554: my $currentstring = '';
2555: if ($target eq 'web') {
2556: $currentstring = $token->[2];
2557: }
2558: return $currentstring;
2559: }
2560:
2561: #-- <colgroup> tag
2562: sub start_colgroup {
2563: my ($target,$token) = @_;
2564: my $currentstring = '';
2565: if ($target eq 'web') {
2566: $currentstring = $token->[4];
2567: }
2568: return $currentstring;
2569: }
2570:
2571: sub end_colgroup {
2572: my ($target,$token) = @_;
2573: my $currentstring = '';
2574: if ($target eq 'web') {
2575: $currentstring = $token->[2];
2576: }
2577: return $currentstring;
2578: }
2579:
2580: #-- <del> tag
2581: sub start_del {
2582: my ($target,$token) = @_;
2583: my $currentstring = '';
2584: if ($target eq 'web') {
2585: $currentstring = $token->[4];
2586: }
2587: return $currentstring;
2588: }
2589:
2590: sub end_del {
2591: my ($target,$token) = @_;
2592: my $currentstring = '';
2593: if ($target eq 'web') {
2594: $currentstring = $token->[2];
2595: }
2596: return $currentstring;
2597: }
2598:
2599: #-- <fieldset> tag
2600: sub start_fieldset {
2601: my ($target,$token) = @_;
2602: my $currentstring = '';
2603: if ($target eq 'web') {
2604: $currentstring = $token->[4];
2605: }
2606: return $currentstring;
2607: }
2608:
2609: sub end_fieldset {
2610: my ($target,$token) = @_;
2611: my $currentstring = '';
2612: if ($target eq 'web') {
2613: $currentstring = $token->[2];
2614: }
2615: return $currentstring;
2616: }
2617:
2618: #-- <frame> tag
2619: sub start_frame {
2620: my ($target,$token) = @_;
2621: my $currentstring = '';
2622: if ($target eq 'web') {
2623: $currentstring = $token->[4];
2624: }
2625: return $currentstring;
2626: }
2627:
2628: sub end_frame {
2629: my ($target,$token) = @_;
2630: my $currentstring = '';
2631: if ($target eq 'web') {
2632: $currentstring = $token->[2];
2633: }
2634: return $currentstring;
2635: }
2636:
2637: #-- <iframe> tag
2638: sub start_iframe {
2639: my ($target,$token) = @_;
2640: my $currentstring = '';
2641: if ($target eq 'web') {
2642: $currentstring = $token->[4];
2643: }
2644: return $currentstring;
2645: }
2646:
2647: sub end_iframe {
2648: my ($target,$token) = @_;
2649: my $currentstring = '';
2650: if ($target eq 'web') {
2651: $currentstring = $token->[2];
2652: }
2653: return $currentstring;
2654: }
2655:
2656: #-- <ins> tag
2657: sub start_ins {
2658: my ($target,$token) = @_;
2659: my $currentstring = '';
2660: if ($target eq 'web') {
2661: $currentstring = $token->[4];
2662: }
2663: return $currentstring;
2664: }
2665:
2666: sub end_ins {
2667: my ($target,$token) = @_;
2668: my $currentstring = '';
2669: if ($target eq 'web') {
2670: $currentstring = $token->[2];
2671: }
2672: return $currentstring;
2673: }
2674:
2675: #-- <isindex> tag
2676: sub start_isindex {
2677: my ($target,$token) = @_;
2678: my $currentstring = '';
2679: if ($target eq 'web') {
2680: $currentstring = $token->[4];
2681: }
2682: return $currentstring;
2683: }
2684:
2685: sub end_isindex {
2686: my ($target,$token) = @_;
2687: my $currentstring = '';
2688: if ($target eq 'web') {
2689: $currentstring = $token->[2];
2690: }
2691: return $currentstring;
2692: }
2693:
2694: #-- <keygen> tag
2695: sub start_keygen {
2696: my ($target,$token) = @_;
2697: my $currentstring = '';
2698: if ($target eq 'web') {
2699: $currentstring = $token->[4];
2700: }
2701: return $currentstring;
2702: }
2703:
2704: sub end_keygen {
2705: my ($target,$token) = @_;
2706: my $currentstring = '';
2707: if ($target eq 'web') {
2708: $currentstring = $token->[2];
2709: }
2710: return $currentstring;
2711: }
2712:
2713: #-- <label> tag
2714: sub start_label {
2715: my ($target,$token) = @_;
2716: my $currentstring = '';
2717: if ($target eq 'web') {
2718: $currentstring = $token->[4];
2719: }
2720: return $currentstring;
2721: }
2722:
2723: sub end_label {
2724: my ($target,$token) = @_;
2725: my $currentstring = '';
2726: if ($target eq 'web') {
2727: $currentstring = $token->[2];
2728: }
2729: return $currentstring;
2730: }
2731:
2732: #-- <layer> tag
2733: sub start_layer {
2734: my ($target,$token) = @_;
2735: my $currentstring = '';
2736: if ($target eq 'web') {
2737: $currentstring = $token->[4];
2738: }
2739: return $currentstring;
2740: }
2741:
2742: sub end_layer {
2743: my ($target,$token) = @_;
2744: my $currentstring = '';
2745: if ($target eq 'web') {
2746: $currentstring = $token->[2];
2747: }
2748: return $currentstring;
2749: }
2750:
2751: #-- <legend> tag
2752: sub start_legend {
2753: my ($target,$token) = @_;
2754: my $currentstring = '';
2755: if ($target eq 'web') {
2756: $currentstring = $token->[4];
2757: }
2758: return $currentstring;
2759: }
2760:
2761: sub end_legend {
2762: my ($target,$token) = @_;
2763: my $currentstring = '';
2764: if ($target eq 'web') {
2765: $currentstring = $token->[2];
2766: }
2767: return $currentstring;
2768: }
2769:
2770: #-- <link> tag
2771: sub start_link {
2772: my ($target,$token) = @_;
2773: my $currentstring = '';
2774: if ($target eq 'web') {
2775: $currentstring = $token->[4];
2776: }
2777: return $currentstring;
2778: }
2779:
2780: sub end_link {
2781: my ($target,$token) = @_;
2782: my $currentstring = '';
2783: if ($target eq 'web') {
2784: $currentstring = $token->[2];
2785: }
2786: return $currentstring;
2787: }
2788:
2789: #-- <marquee> tag
2790: sub start_marquee {
2791: my ($target,$token) = @_;
2792: my $currentstring = '';
2793: if ($target eq 'web') {
2794: $currentstring = $token->[4];
2795: }
2796: return $currentstring;
2797: }
2798:
2799: sub end_marquee {
2800: my ($target,$token) = @_;
2801: my $currentstring = '';
2802: if ($target eq 'web') {
2803: $currentstring = $token->[2];
2804: }
2805: return $currentstring;
2806: }
2807:
2808: #-- <malticol> tag
2809: sub start_malticol {
2810: my ($target,$token) = @_;
2811: my $currentstring = '';
2812: if ($target eq 'web') {
2813: $currentstring = $token->[4];
2814: }
2815: return $currentstring;
2816: }
2817:
2818: sub end_malticol {
2819: my ($target,$token) = @_;
2820: my $currentstring = '';
2821: if ($target eq 'web') {
2822: $currentstring = $token->[2];
2823: }
2824: return $currentstring;
2825: }
2826:
2827: #-- <nobr> tag
2828: sub start_nobr {
2829: my ($target,$token) = @_;
2830: my $currentstring = '';
2831: if ($target eq 'web') {
2832: $currentstring = $token->[4];
2833: }
2834: return $currentstring;
2835: }
2836:
2837: sub end_nobr {
2838: my ($target,$token) = @_;
2839: my $currentstring = '';
2840: if ($target eq 'web') {
2841: $currentstring = $token->[2];
2842: }
2843: return $currentstring;
2844: }
2845:
2846: #-- <noembed> tag
2847: sub start_noembed {
2848: my ($target,$token) = @_;
2849: my $currentstring = '';
2850: if ($target eq 'web') {
2851: $currentstring = $token->[4];
2852: }
2853: return $currentstring;
2854: }
2855:
2856: sub end_noembed {
2857: my ($target,$token) = @_;
2858: my $currentstring = '';
2859: if ($target eq 'web') {
2860: $currentstring = $token->[2];
2861: }
2862: return $currentstring;
2863: }
2864:
2865: #-- <noframes> tag
2866: sub start_noframes {
2867: my ($target,$token) = @_;
2868: my $currentstring = '';
2869: if ($target eq 'web') {
2870: $currentstring = $token->[4];
2871: }
2872: return $currentstring;
2873: }
2874:
2875: sub end_noframes {
2876: my ($target,$token) = @_;
2877: my $currentstring = '';
2878: if ($target eq 'web') {
2879: $currentstring = $token->[2];
2880: }
2881: return $currentstring;
2882: }
2883:
2884: #-- <nolayer> tag
2885: sub start_nolayer {
2886: my ($target,$token) = @_;
2887: my $currentstring = '';
2888: if ($target eq 'web') {
2889: $currentstring = $token->[4];
2890: }
2891: return $currentstring;
2892: }
2893:
2894: sub end_nolayer {
2895: my ($target,$token) = @_;
2896: my $currentstring = '';
2897: if ($target eq 'web') {
2898: $currentstring = $token->[2];
2899: }
2900: return $currentstring;
2901: }
2902:
2903: #-- <noscript> tag
2904: sub start_noscript {
2905: my ($target,$token) = @_;
2906: my $currentstring = '';
2907: if ($target eq 'web') {
2908: $currentstring = $token->[4];
2909: }
2910: return $currentstring;
2911: }
2912:
2913: sub end_noscript {
2914: my ($target,$token) = @_;
2915: my $currentstring = '';
2916: if ($target eq 'web') {
2917: $currentstring = $token->[2];
2918: }
2919: return $currentstring;
2920: }
2921:
2922: #-- <object> tag
2923: sub start_object {
2924: my ($target,$token) = @_;
2925: my $currentstring = '';
2926: if ($target eq 'web') {
2927: $currentstring = $token->[4];
2928: }
2929: return $currentstring;
2930: }
2931:
2932: sub end_object {
2933: my ($target,$token) = @_;
2934: my $currentstring = '';
2935: if ($target eq 'web') {
2936: $currentstring = $token->[2];
2937: }
2938: return $currentstring;
2939: }
2940:
2941: #-- <optgroup> tag
2942: sub start_optgroup {
2943: my ($target,$token) = @_;
2944: my $currentstring = '';
2945: if ($target eq 'web') {
2946: $currentstring = $token->[4];
2947: }
2948: return $currentstring;
2949: }
2950:
2951: sub end_optgroup {
2952: my ($target,$token) = @_;
2953: my $currentstring = '';
2954: if ($target eq 'web') {
2955: $currentstring = $token->[2];
2956: }
2957: return $currentstring;
2958: }
2959:
2960: #-- <samp> tag
2961: sub start_samp {
2962: my ($target,$token) = @_;
2963: my $currentstring = '';
2964: if ($target eq 'web') {
2965: $currentstring = $token->[4];
2966: }
2967: return $currentstring;
2968: }
2969:
2970: sub end_samp {
2971: my ($target,$token) = @_;
2972: my $currentstring = '';
2973: if ($target eq 'web') {
2974: $currentstring = $token->[2];
2975: }
2976: return $currentstring;
2977: }
2978:
2979: #-- <server> tag
2980: sub start_server {
2981: my ($target,$token) = @_;
2982: my $currentstring = '';
2983: if ($target eq 'web') {
2984: $currentstring = $token->[4];
2985: }
2986: return $currentstring;
2987: }
2988:
2989: sub end_server {
2990: my ($target,$token) = @_;
2991: my $currentstring = '';
2992: if ($target eq 'web') {
2993: $currentstring = $token->[2];
2994: }
2995: return $currentstring;
2996: }
2997:
2998: #-- <spacer> tag
2999: sub start_spacer {
3000: my ($target,$token) = @_;
3001: my $currentstring = '';
3002: if ($target eq 'web') {
3003: $currentstring = $token->[4];
3004: }
3005: return $currentstring;
3006: }
3007:
3008: sub end_spacer {
3009: my ($target,$token) = @_;
3010: my $currentstring = '';
3011: if ($target eq 'web') {
3012: $currentstring = $token->[2];
3013: }
3014: return $currentstring;
3015: }
3016:
3017: #-- <span> tag
3018: sub start_span {
3019: my ($target,$token) = @_;
3020: my $currentstring = '';
3021: if ($target eq 'web') {
3022: $currentstring = $token->[4];
3023: }
3024: return $currentstring;
3025: }
3026:
3027: sub end_span {
3028: my ($target,$token) = @_;
3029: my $currentstring = '';
3030: if ($target eq 'web') {
3031: $currentstring = $token->[2];
3032: }
3033: return $currentstring;
3034: }
3035:
3036: #-- <tbody> tag
3037: sub start_tbody {
3038: my ($target,$token) = @_;
3039: my $currentstring = '';
3040: if ($target eq 'web') {
3041: $currentstring = $token->[4];
3042: }
3043: return $currentstring;
3044: }
3045:
3046: sub end_tbody {
3047: my ($target,$token) = @_;
3048: my $currentstring = '';
3049: if ($target eq 'web') {
3050: $currentstring = $token->[2];
3051: }
3052: return $currentstring;
3053: }
3054:
3055: #-- <tfoot> tag
3056: sub start_tfoot {
3057: my ($target,$token) = @_;
3058: my $currentstring = '';
3059: if ($target eq 'web') {
3060: $currentstring = $token->[4];
3061: }
3062: return $currentstring;
3063: }
3064:
3065: sub end_tfoot {
3066: my ($target,$token) = @_;
3067: my $currentstring = '';
3068: if ($target eq 'web') {
3069: $currentstring = $token->[2];
3070: }
3071: return $currentstring;
3072: }
3073:
3074: #-- <thead> tag
3075: sub start_thead {
3076: my ($target,$token) = @_;
3077: my $currentstring = '';
3078: if ($target eq 'web') {
3079: $currentstring = $token->[4];
3080: }
3081: return $currentstring;
3082: }
3083:
3084: sub end_thead {
3085: my ($target,$token) = @_;
3086: my $currentstring = '';
3087: if ($target eq 'web') {
3088: $currentstring = $token->[2];
3089: }
3090: return $currentstring;
3091: }
3092:
3093: #-- <var> tag
3094: sub start_var {
3095: my ($target,$token) = @_;
3096: my $currentstring = '';
3097: if ($target eq 'web') {
3098: $currentstring = $token->[4];
3099: }
3100: return $currentstring;
3101: }
3102:
3103: sub end_var {
3104: my ($target,$token) = @_;
3105: my $currentstring = '';
3106: if ($target eq 'web') {
3107: $currentstring = $token->[2];
3108: }
3109: return $currentstring;
3110: }
3111:
3112: #-- <wbr> tag
3113: sub start_wbr {
3114: my ($target,$token) = @_;
3115: my $currentstring = '';
3116: if ($target eq 'web') {
3117: $currentstring = $token->[4];
3118: }
3119: return $currentstring;
3120: }
3121:
3122: sub end_wbr {
3123: my ($target,$token) = @_;
3124: my $currentstring = '';
3125: if ($target eq 'web') {
3126: $currentstring = $token->[2];
3127: }
3128: return $currentstring;
3129: }
3130:
3131:
3132: #-- <hideweboutput> tag
3133: sub start_hideweboutput {
3134: my ($target,$token) = @_;
3135: if ($target eq 'web') {
3136: &Apache::lonxml::startredirection();
3137: }
3138: return '';
3139: }
3140:
3141: sub end_hideweboutput {
3142: my ($target,$token) = @_;
3143: my $currentstring = '';
3144: if ($target eq 'web') {
3145: $currentstring = &Apache::lonxml::endredirection();
3146: }
3147: return '';
3148: }
3149:
3150:
3151: sub image_replication {
3152: my $src = shift;
3153: if (not -e $src) {
3154: #replicates image itself
3155: &Apache::lonnet::repcopy($src);
3156: #replicates eps or ps
3157: my $newsrc = $src;
3158: $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
3159: if (not -e $newsrc) {
3160: if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
3161: $newsrc =~ s/\.eps$/\.ps/;
3162: &Apache::lonnet::repcopy($newsrc);
3163: }
3164: }
3165: }
3166: return '';
3167: }
3168:
3169: sub recalc {
3170: my $argument = shift;
3171: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
3172: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
3173: my $value=$1;
3174: my $units=$2;
3175: if ($units eq 'cm') {
3176: $value*=10;
3177: } elsif ($units eq 'in') {
3178: $value*=25.4;
3179: } elsif ($units eq 'pc') {
3180: $value*=(25.4*12/72.27);
3181: } elsif ($units eq 'pt') {
3182: $value*=(25.4/72.27);
3183: }
3184: return $value.' mm';
3185: }
3186:
3187: 1;
3188: __END__
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