1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # $Id: londefdef.pm,v 1.136 2003/05/29 18:11:00 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: \newcommand{\keephidden}[1]{}
162: \renewcommand{\deg}{$^{\circ}$}
163: \usepackage{textcomp}
164: \usepackage[dvips]{graphicx}
165: \usepackage{epsfig}\usepackage{calc}
166: \newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}';
167: }
168: return $currentstring;
169: }
170:
171: sub end_html {
172: my ($target,$token) = @_;
173: my $currentstring = '';
174: if ($target eq 'web') {
175: $currentstring = &Apache::lonxml::xmlend();
176: }
177: return $currentstring;
178: }
179:
180: #-- <head> tag
181: sub start_head {
182: my ($target,$token) = @_;
183: my $currentstring = '';
184: if ($target eq 'web') {
185: $currentstring = $token->[4];
186: }
187: return $currentstring;
188: }
189:
190: sub end_head {
191: my ($target,$token) = @_;
192: my $currentstring = '';
193: if ($target eq 'web') {
194: $currentstring = &Apache::lonmenu::registerurl(undef,$target).
195: $token->[2];
196: }
197: return $currentstring;
198: }
199:
200: #-- <map> tag
201: sub start_map {
202: my ($target,$token) = @_;
203: my $currentstring = '';
204: if ($target eq 'web') {
205: $currentstring = $token->[4];
206: }
207: return $currentstring;
208: }
209:
210: sub end_map {
211: my ($target,$token) = @_;
212: my $currentstring = '';
213: if ($target eq 'web') {
214: $currentstring = $token->[2];
215: }
216: return $currentstring;
217: }
218:
219: #-- <select> tag
220: sub start_select {
221: my ($target,$token) = @_;
222: my $currentstring = '';
223: if ($target eq 'web') {
224: $currentstring = $token->[4];
225: }
226: return $currentstring;
227: }
228:
229: sub end_select {
230: my ($target,$token) = @_;
231: my $currentstring = '';
232: if ($target eq 'web') {
233: $currentstring = $token->[2];
234: }
235: return $currentstring;
236: }
237:
238: #-- <option> tag
239: sub start_option {
240: my ($target,$token) = @_;
241: my $currentstring = '';
242: if ($target eq 'web') {
243: $currentstring = $token->[4];
244: }
245: return $currentstring;
246: }
247:
248: sub end_option {
249: my ($target,$token) = @_;
250: my $currentstring = '';
251: if ($target eq 'web') {
252: $currentstring = $token->[2];
253: }
254: return $currentstring;
255: }
256:
257: #-- <input> tag
258: sub start_input {
259: my ($target,$token) = @_;
260: my $currentstring = '';
261: if ($target eq 'web') {
262: $currentstring = $token->[4];
263: }
264: return $currentstring;
265: }
266:
267: sub end_input {
268: my ($target,$token) = @_;
269: my $currentstring = '';
270: if ($target eq 'web') {
271: $currentstring = $token->[2];
272: }
273: return $currentstring;
274: }
275:
276: #-- <textarea> tag
277: sub start_textarea {
278: my ($target,$token) = @_;
279: my $currentstring = '';
280: if ($target eq 'web') {
281: $currentstring = $token->[4];
282: }
283: return $currentstring;
284: }
285:
286: sub end_textarea {
287: my ($target,$token) = @_;
288: my $currentstring = '';
289: if ($target eq 'web') {
290: $currentstring = $token->[2];
291: }
292: return $currentstring;
293: }
294:
295: #-- <form> tag
296: sub start_form {
297: my ($target,$token) = @_;
298: my $currentstring = '';
299: if ($target eq 'web') {
300: $currentstring = $token->[4];
301: }
302: return $currentstring;
303: }
304:
305: sub end_form {
306: my ($target,$token) = @_;
307: my $currentstring = '';
308: if ($target eq 'web') {
309: $currentstring = $token->[2];
310: }
311: return $currentstring;
312: }
313:
314: #-- <title> tag
315: sub start_title {
316: my ($target,$token) = @_;
317: my $currentstring = '';
318: if ($target eq 'web') {
319: $currentstring = $token->[4];
320: } elsif ($target eq 'tex') {
321: $currentstring .= '\keephidden{'
322: }
323: if ($target eq 'meta') {
324: $currentstring='<title>';
325: &start_output();
326: }
327: return $currentstring;
328: }
329:
330: sub end_title {
331: my ($target,$token) = @_;
332: my $currentstring = '';
333: if ($target eq 'web') {
334: $currentstring = $token->[2];
335: } elsif ($target eq 'tex') {
336: $currentstring .= '}';
337: }
338: if ($target eq 'meta') {
339: &end_output();
340: $currentstring='</title>';
341: }
342: return $currentstring;
343: }
344:
345: #-- <meta> tag
346: sub start_meta {
347: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
348: my $currentstring = '';
349: if ($target eq 'web') {
350: my $args='';
351: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
352: if ($args eq '') {
353: &Apache::lonxml::get_all_text("/meta",$parser);
354: } else {
355: $currentstring = $token->[4];
356: }
357: } elsif ($target eq 'meta') {
358: unless (&Apache::lonxml::get_param
359: ('http-equiv',$parstack,$safeeval,undef,1)) {
360: my $name=$token->[2]->{'name'};
361: $name=~tr/A-Z/a-z/;
362: $name=~s/\s/\_/gs;
363: $name=~s/\W//gs;
364: if ($name) {
365: $currentstring='<'.$name.'>'.
366: &Apache::lonxml::get_param
367: ('content',$parstack,$safeeval,undef,1).
368: '</'.$name.'>';
369: }
370: }
371: } elsif ($target eq 'tex') {
372: &Apache::lonxml::startredirection();
373: }
374: return $currentstring;
375: }
376:
377: sub end_meta {
378: my ($target,$token,$tagstack,$parstack,$parser) = @_;
379: my $currentstring = '';
380: if ($target eq 'web') {
381: my $args='';
382: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
383: if ($args ne '') {
384: $currentstring = $token->[4];
385: }
386: } elsif ($target eq 'tex') {
387: $currentstring=&Apache::lonxml::endredirection();
388: $currentstring='';
389: }
390: return $currentstring;
391: }
392:
393: # accessrule
394: sub start_accessrule {
395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
396: my $currentstring = '';
397: my $eff=&Apache::lonxml::get_param
398: ('effect',$parstack,$safeeval,undef,1);
399: my $realm=&Apache::lonxml::get_param
400: ('realm',$parstack,$safeeval,undef,1);
401: my $role=&Apache::lonxml::get_param
402: ('role',$parstack,$safeeval,undef,1);
403: $realm=~s/\s+//g;
404: $realm=~s/\//\_/g;
405: $realm=~s/^\_//;
406: $realm=~s/\W/\;/g;
407: $role=~s/\s+//g;
408: $role=~s/\//\_/g;
409: $role=~s/\W/\;/g;
410: if ($target eq 'web') {
411: my $args='';
412: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
413: if ($args eq '') {
414: &Apache::lonxml::get_all_text("/accessrule",$parser);
415: } else {
416: $currentstring = $token->[4];
417: }
418: }
419: if ($target eq 'meta') {
420: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';
421: }
422: return $currentstring;
423: }
424:
425: sub end_accessrule {
426: my ($target,$token,$tagstack,$parstack,$parser) = @_;
427: my $currentstring = '';
428: if ($target eq 'web') {
429: my $args='';
430: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
431: if ($args ne '') {
432: $currentstring = $token->[4];
433: }
434: }
435: return $currentstring;
436: }
437:
438: #-- <body> tag
439: sub start_body {
440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
441: my $currentstring = '';
442: if ($target eq 'web') {
443: if (!$Apache::lonxml::registered) {
444: $currentstring.='<head>'.
445: &Apache::lonmenu::registerurl(undef,$target).'</head>';
446: }
447: my $onLoad='';
448: foreach my $key (keys(%{$token->[2]})) {
449: if ($key =~ /^onload$/i) {
450: $onLoad.=$token->[2]->{$key}.';';
451: delete($token->[2]->{$key});
452: }
453: }
454: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
455: my $onUnload='';
456: foreach my $key (keys(%{$token->[2]})) {
457: if ($key =~ /^onunload$/i) {
458: $onUnload.=$token->[2]->{$key}.';';
459: delete($token->[2]->{$key});
460: }
461: }
462: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
463: ';'.$onUnload;
464:
465: $currentstring .= '<'.$token->[1];
466: foreach (keys %{$token->[2]}) {
467: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
468: }
469: $currentstring.='>';
470: if ($ENV{'request.state'} ne 'published') {
471: $currentstring.=(<<EDITBUTTON);
472: <form method="post">
473: <input type="submit" name="editmode" value="Edit" />
474: </form>
475: EDITBUTTON
476: } else {
477: $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
478: }
479: } elsif ($target eq 'tex') {
480: $currentstring = '\begin{document}';
481: }
482: return $currentstring;
483: }
484:
485: sub end_body {
486: my ($target,$token) = @_;
487: my $currentstring = '';
488: if ($target eq 'web') {
489: $currentstring = $token->[2];
490: } elsif ($target eq 'tex') {
491: $currentstring = '\end{document}';
492: }
493: return $currentstring;
494: }
495:
496: #-- <center> tag
497: sub start_center {
498: my ($target,$token) = @_;
499: my $currentstring = '';
500: if ($target eq 'web') {
501: $currentstring = $token->[4];
502: } elsif ($target eq 'tex') {
503: $currentstring = '\begin{center}';
504: } elsif ($target eq 'latexsource') {
505: $currentstring = '\begin{center}';
506: }
507: return $currentstring;
508: }
509:
510: sub end_center {
511: my ($target,$token) = @_;
512: my $currentstring = '';
513: if ($target eq 'web') {
514: $currentstring = $token->[2];
515: } elsif ($target eq 'tex') {
516: $currentstring = '\end{center}';
517: } elsif ($target eq 'latexsource') {
518: $currentstring = '\end{center}';
519: }
520: return $currentstring;
521: }
522:
523: #-- <b> tag
524: sub start_b {
525: my ($target,$token) = @_;
526: my $currentstring = '';
527: if ($target eq 'web') {
528: $currentstring = $token->[4];
529: } elsif ($target eq 'tex') {
530: $currentstring = '\textbf{';
531: } elsif ($target eq 'latexsource') {
532: $currentstring = '\textbf{';
533: }
534: return $currentstring;
535: }
536:
537: sub end_b {
538: my ($target,$token) = @_;
539: my $currentstring = '';
540: if ($target eq 'web') {
541: $currentstring = $token->[2];
542: } elsif ($target eq 'tex') {
543: $currentstring = '}';
544: } elsif ($target eq 'latexsource') {
545: $currentstring = '}';
546: }
547: return $currentstring;
548: }
549:
550: #-- <strong> tag
551: sub start_strong {
552: my ($target,$token) = @_;
553: my $currentstring = '';
554: if ($target eq 'web') {
555: $currentstring = $token->[4];
556: } elsif ($target eq 'tex') {
557: $currentstring = '\textbf{';
558: } elsif ($target eq 'latexsource') {
559: $currentstring = '\textbf{';
560: }
561: return $currentstring;
562: }
563:
564: sub end_strong {
565: my ($target,$token) = @_;
566: my $currentstring = '';
567: if ($target eq 'web') {
568:
569: $currentstring = $token->[2];
570: } elsif ($target eq 'tex') {
571: $currentstring = '}';
572: } elsif ($target eq 'latexsource') {
573: $currentstring = '}';
574: }
575: return $currentstring;
576: }
577:
578: #-- <h1> tag
579: sub start_h1 {
580: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
581: my $currentstring = '';
582: if ($target eq 'web') {
583: $currentstring .= $token->[4];
584: } elsif ($target eq 'tex') {
585: my $pre;
586: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
587: if (($align eq 'center') || (not defined $align)) {
588: $pre='\begin{center}';
589: } elsif ($align eq 'left') {
590: $pre='\rlap{';
591: } elsif ($align eq 'right') {
592: $pre=' \hfill \llap{';
593: }
594: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
595: if (not defined $TeXsize) {$TeXsize="large";}
596: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
597: } elsif ($target eq 'meta') {
598: $currentstring='<subject>';
599: &start_output();
600: }
601: return $currentstring;
602: }
603:
604: sub end_h1 {
605: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
606: my $currentstring = '';
607: if ($target eq 'web') {
608: $currentstring .= $token->[2];
609: } elsif ($target eq 'tex') {
610: my $post;
611: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
612: if (($align eq 'center') || (not defined $align)) {
613: $post='\end{center}';
614: } elsif ($align eq 'left') {
615: $post='} \hfill'.'\vskip 0 mm ';
616: } elsif ($align eq 'right') {
617: $post='}'.'\vskip 0 mm ';
618: }
619: $currentstring .= '}}'.$post;
620: } elsif ($target eq 'meta') {
621: &end_output();
622: $currentstring='</subject>';
623: }
624: return $currentstring;
625: }
626:
627: #-- <h2> tag
628: sub start_h2 {
629: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
630: my $currentstring = '';
631: if ($target eq 'web') {
632: $currentstring .= $token->[4];
633: } elsif ($target eq 'tex') {
634: my $pre;
635: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
636: if (($align eq 'center') || (not defined $align)) {
637: $pre='\begin{center}';
638: } elsif ($align eq 'left') {
639: $pre='\rlap{';
640: } elsif ($align eq 'right') {
641: $pre=' \hfill \llap{';
642: }
643: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
644: if (not defined $TeXsize) {$TeXsize="large";}
645: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
646: }
647: return $currentstring;
648: }
649:
650: sub end_h2 {
651: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
652: my $currentstring = '';
653: if ($target eq 'web') {
654: $currentstring .= $token->[2];
655: } elsif ($target eq 'tex') {
656: my $post;
657: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
658: if (($align eq 'center') || (not defined $align)) {
659: $post='\end{center}';
660: } elsif ($align eq 'left') {
661: $post='} \hfill'.'\vskip 0 mm ';
662: } elsif ($align eq 'right') {
663: $post='}'.'\vskip 0 mm ';
664: }
665: $currentstring .= '}}'.$post;
666: }
667: return $currentstring;
668: }
669:
670: #-- <h3> tag
671: sub start_h3 {
672: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
673: my $currentstring = '';
674: if ($target eq 'web') {
675: $currentstring .= $token->[4];
676: } elsif ($target eq 'tex') {
677: my $pre;
678: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
679: if (($align eq 'center') || (not defined $align)) {
680: $pre='\begin{center}';
681: } elsif ($align eq 'left') {
682: $pre='\rlap{';
683: } elsif ($align eq 'right') {
684: $pre=' \hfill \llap{';
685: }
686: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
687: if (not defined $TeXsize) {$TeXsize="large";}
688: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
689: }
690: return $currentstring;
691: }
692:
693: sub end_h3 {
694: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
695: my $currentstring = '';
696: if ($target eq 'web') {
697: $currentstring .= $token->[2];
698: } elsif ($target eq 'tex') {
699: my $post;
700: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
701: if (($align eq 'center') || (not defined $align)) {
702: $post='\end{center}';
703: } elsif ($align eq 'left') {
704: $post='} \hfill'.'\vskip 0 mm ';
705: } elsif ($align eq 'right') {
706: $post='}'.'\vskip 0 mm ';
707: }
708: $currentstring .= '}}'.$post;
709: }
710: return $currentstring;
711: }
712:
713: #-- <h4> tag
714: sub start_h4 {
715: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
716: my $currentstring = '';
717: if ($target eq 'web') {
718: $currentstring .= $token->[4];
719: } elsif ($target eq 'tex') {
720: my $pre;
721: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
722: if (($align eq 'center') || (not defined $align)) {
723: $pre='\begin{center}';
724: } elsif ($align eq 'left') {
725: $pre='\rlap{';
726: } elsif ($align eq 'right') {
727: $pre=' \hfill \llap{';
728: }
729: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
730: if (not defined $TeXsize) {$TeXsize="large";}
731: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
732: }
733: return $currentstring;
734: }
735:
736: sub end_h4 {
737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
738: my $currentstring = '';
739: if ($target eq 'web') {
740: $currentstring .= $token->[2];
741: } elsif ($target eq 'tex') {
742: my $post;
743: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
744: if (($align eq 'center') || (not defined $align)) {
745: $post='\end{center}';
746: } elsif ($align eq 'left') {
747: $post='} \hfill'.'\vskip 0 mm ';
748: } elsif ($align eq 'right') {
749: $post='}'.'\vskip 0 mm ';
750: }
751: $currentstring .= '}}'.$post;
752: }
753: return $currentstring;
754: }
755:
756: #-- <h5> tag
757: sub start_h5 {
758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
759: my $currentstring = '';
760: if ($target eq 'web') {
761: $currentstring .= $token->[4];
762: } elsif ($target eq 'tex') {
763: my $pre;
764: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
765: if (($align eq 'center') || (not defined $align)) {
766: $pre='\begin{center}';
767: } elsif ($align eq 'left') {
768: $pre='\rlap{';
769: } elsif ($align eq 'right') {
770: $pre=' \hfill \llap{';
771: }
772: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
773: if (not defined $TeXsize) {$TeXsize="large";}
774: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
775: }
776: return $currentstring;
777: }
778:
779: sub end_h5 {
780: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
781: my $currentstring = '';
782: if ($target eq 'web') {
783: $currentstring .= $token->[2];
784: } elsif ($target eq 'tex') {
785: my $post;
786: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
787: if (($align eq 'center') || (not defined $align)) {
788: $post='\end{center}';
789: } elsif ($align eq 'left') {
790: $post='} \hfill'.'\vskip 0 mm ';
791: } elsif ($align eq 'right') {
792: $post='}'.'\vskip 0 mm ';
793: }
794: $currentstring .= '}}'.$post;
795: }
796: return $currentstring;
797: }
798:
799: #-- <h6> tag
800: sub start_h6 {
801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
802: my $currentstring = '';
803: if ($target eq 'web') {
804: $currentstring .= $token->[4];
805: } elsif ($target eq 'tex') {
806: my $pre;
807: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
808: if (($align eq 'center') || (not defined $align)) {
809: $pre='\begin{center}';
810: } elsif ($align eq 'left') {
811: $pre='\rlap{';
812: } elsif ($align eq 'right') {
813: $pre=' \hfill \llap{';
814: }
815: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
816: if (not defined $TeXsize) {$TeXsize="large";}
817: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
818: }
819: return $currentstring;
820: }
821:
822: sub end_h6 {
823: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
824: my $currentstring = '';
825: if ($target eq 'web') {
826: $currentstring .= $token->[2];
827: } elsif ($target eq 'tex') {
828: my $post;
829: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
830: if (($align eq 'center') || (not defined $align)) {
831: $post='\end{center}';
832: } elsif ($align eq 'left') {
833: $post='} \hfill'.'\vskip 0 mm ';
834: } elsif ($align eq 'right') {
835: $post='}'.'\vskip 0 mm ';
836: }
837: $currentstring .= '}}'.$post;
838: }
839: return $currentstring;
840: }
841:
842: #--- <cite> tag
843: sub start_cite {
844: my ($target,$token) = @_;
845: my $currentstring = '';
846: if ($target eq 'web') {
847: $currentstring .= $token->[4];
848: } elsif ($target eq 'tex') {
849: $currentstring .= "\\textit{";
850: } elsif ($target eq 'latexsource') {
851: $currentstring .= "\\textit{";
852: }
853: return $currentstring;
854: }
855:
856: sub end_cite {
857: my ($target,$token) = @_;
858: my $currentstring = '';
859: if ($target eq 'web') {
860: $currentstring .= $token->[2];
861: } elsif ($target eq 'tex') {
862: $currentstring .= "}";
863: } elsif ($target eq 'latexsource') {
864: $currentstring .= "}";
865: }
866: return $currentstring;
867: }
868:
869: #-- <i> tag
870: sub start_i {
871: my ($target,$token) = @_;
872: my $currentstring = '';
873: if ($target eq 'web') {
874: $currentstring .= $token->[4];
875: } elsif ($target eq 'tex') {
876: $currentstring .= '\textit{';
877: } elsif ($target eq 'latexsource') {
878: $currentstring .= '\textit{';
879: }
880: return $currentstring;
881: }
882:
883: sub end_i {
884: my ($target,$token) = @_;
885: my $currentstring = '';
886: if ($target eq 'web') {
887: $currentstring .= $token->[2];
888: } elsif ($target eq 'tex') {
889: $currentstring .= '}';
890: } elsif ($target eq 'latexsource') {
891: $currentstring .= '}';
892: }
893: return $currentstring;
894: }
895:
896: #-- <address> tag
897: sub start_address {
898: my ($target,$token) = @_;
899: my $currentstring = '';
900: if ($target eq 'web') {
901: $currentstring .= $token->[4];
902: } elsif ($target eq 'tex') {
903: $currentstring .= "\\textit{";
904: } elsif ($target eq 'latexsource') {
905: $currentstring .= "\\textit{";
906: }
907: return $currentstring;
908: }
909:
910: sub end_address {
911: my ($target,$token) = @_;
912: my $currentstring = '';
913: if ($target eq 'web') {
914: $currentstring .= $token->[2];
915: } elsif ($target eq 'tex') {
916: $currentstring .= "}";
917: } elsif ($target eq 'latexsource') {
918: $currentstring .= "}";
919: }
920: return $currentstring;
921: }
922:
923: #-- <dfn> tag
924: sub start_dfn {
925: my ($target,$token) = @_;
926: my $currentstring = '';
927: if ($target eq 'web') {
928: $currentstring .= $token->[4];
929: } elsif ($target eq 'tex') {
930: $currentstring .= "\\textit{";
931: } elsif ($target eq 'latexsource') {
932: $currentstring .= "\\textit{";
933: }
934: return $currentstring;
935: }
936:
937: sub end_dfn {
938: my ($target,$token) = @_;
939: my $currentstring = '';
940: if ($target eq 'web') {
941: $currentstring .= $token->[2];
942: } elsif ($target eq 'tex') {
943: $currentstring .= "}";
944: } elsif ($target eq 'latexsource') {
945: $currentstring .= "}";
946: }
947: return $currentstring;
948: }
949:
950: #-- <tt> tag
951: sub start_tt {
952: my ($target,$token) = @_;
953: my $currentstring = '';
954: if ($target eq 'web') {
955: $currentstring .= $token->[4];
956: } elsif ($target eq 'tex') {
957: $currentstring .= '\texttt{';
958: } elsif ($target eq 'latexsource') {
959: $currentstring .= '\texttt{';
960: }
961: return $currentstring;
962: }
963:
964: sub end_tt {
965: my ($target,$token) = @_;
966: my $currentstring = '';
967: if ($target eq 'web') {
968: $currentstring .= $token->[2];
969: } elsif ($target eq 'tex') {
970: $currentstring .= '}';
971: } elsif ($target eq 'latexsource') {
972: $currentstring .= '}';
973: }
974: return $currentstring;
975: }
976:
977: #-- <kbd> tag
978: sub start_kbd {
979: my ($target,$token) = @_;
980: my $currentstring = '';
981: if ($target eq 'web') {
982: $currentstring .= $token->[4];
983: } elsif ($target eq 'tex') {
984: $currentstring .= "\\texttt";
985: } elsif ($target eq 'latexsource') {
986: $currentstring .= "\\texttt{";
987: }
988: return $currentstring;
989: }
990:
991: sub end_kbd {
992: my ($target,$token) = @_;
993: my $currentstring = '';
994: if ($target eq 'web') {
995: $currentstring .= $token->[2];
996: } elsif ($target eq 'tex') {
997: $currentstring .= "}";
998: } elsif ($target eq 'latexsource') {
999: $currentstring .= "}";
1000: }
1001: return $currentstring;
1002: }
1003:
1004: #-- <code> tag
1005: sub start_code {
1006: my ($target,$token) = @_;
1007: my $currentstring = '';
1008: if ($target eq 'web') {
1009: $currentstring .= $token->[4];
1010: } elsif ($target eq 'tex') {
1011: $currentstring .= '\texttt{';
1012: }
1013: return $currentstring;
1014: }
1015:
1016: sub end_code {
1017: my ($target,$token) = @_;
1018: my $currentstring = '';
1019: if ($target eq 'web') {
1020: $currentstring .= $token->[2];
1021: } elsif ($target eq 'tex') {
1022: $currentstring .= '}';
1023: }
1024: return $currentstring;
1025: }
1026:
1027: #-- <em> tag
1028: sub start_em {
1029: my ($target,$token) = @_;
1030: my $currentstring = '';
1031: if ($target eq 'web') {
1032: $currentstring .= $token->[4];
1033: } elsif ($target eq 'tex') {
1034: $currentstring .= '\emph{';
1035: } elsif ($target eq 'latexsource') {
1036: $currentstring .= '\emph{';
1037: }
1038: return $currentstring;
1039: }
1040:
1041: sub end_em {
1042: my ($target,$token) = @_;
1043: my $currentstring = '';
1044: if ($target eq 'web') {
1045: $currentstring .= $token->[2];
1046: } elsif ($target eq 'tex') {
1047: $currentstring .= '}';
1048: } elsif ($target eq 'latexsource') {
1049: $currentstring .= '}';
1050: }
1051: return $currentstring;
1052: }
1053:
1054: #-- <q> tag
1055: sub start_q {
1056: my ($target,$token) = @_;
1057: my $currentstring = '';
1058: if ($target eq 'web') {
1059: $currentstring .= $token->[4];
1060: } elsif ($target eq 'tex') {
1061: $currentstring .= "\\emph{";
1062: } elsif ($target eq 'latexsource') {
1063: $currentstring .= "\\emph{";
1064: }
1065: return $currentstring;
1066: }
1067:
1068: sub end_q {
1069: my ($target,$token) = @_;
1070: my $currentstring = '';
1071: if ($target eq 'web') {
1072: $currentstring .= $token->[2];
1073: } elsif ($target eq 'tex') {
1074: $currentstring .= "}";
1075: } elsif ($target eq 'latexsource') {
1076: $currentstring .= "}";
1077: }
1078: return $currentstring;
1079: }
1080:
1081: #-- <p> tag
1082: sub start_p {
1083: my ($target,$token) = @_;
1084: my $currentstring = '';
1085: if ($target eq 'web') {
1086: $currentstring .= $token->[4];
1087: } elsif ($target eq 'tex') {
1088: $currentstring .= '{\par ';
1089: } elsif ($target eq 'latexsource') {
1090: $currentstring .= '{\par ';
1091: }
1092: return $currentstring;
1093: }
1094:
1095: sub end_p {
1096: my ($target,$token) = @_;
1097: my $currentstring = '';
1098: if ($target eq 'web') {
1099: $currentstring .= $token->[2];
1100: } elsif ($target eq 'tex') {
1101: $currentstring .= '}';
1102: } elsif ($target eq 'latexsource') {
1103: $currentstring .= '}';
1104: }
1105: return $currentstring;
1106: }
1107:
1108: #-- <br> tag
1109: sub start_br {
1110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1111: my $currentstring = '';
1112: if ($target eq 'web') {
1113: $currentstring .= $token->[4];
1114: } elsif ($target eq 'tex') {
1115: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
1116: $currentstring .= '\vskip 0.2 mm';
1117: }
1118: } elsif ($target eq 'latexsource') {
1119: $currentstring .= '\\';
1120: }
1121: return $currentstring;
1122: }
1123:
1124: sub end_br {
1125: my ($target,$token) = @_;
1126: my $currentstring = '';
1127: if ($target eq 'web') {
1128: $currentstring .= $token->[2];
1129: }
1130: return $currentstring;
1131: }
1132:
1133: #-- <big> tag
1134: sub start_big {
1135: my ($target,$token) = @_;
1136: my $currentstring = '';
1137: if ($target eq 'web') {
1138: $currentstring .= $token->[4];
1139: } elsif ($target eq 'tex') {
1140: $currentstring .= '\large{';
1141: } elsif ($target eq 'latexsource') {
1142: $currentstring .= '{\Large ';
1143: }
1144: return $currentstring;
1145: }
1146:
1147: sub end_big {
1148: my ($target,$token) = @_;
1149: my $currentstring = '';
1150: if ($target eq 'web') {
1151: $currentstring .= $token->[2];
1152: } elsif ($target eq 'tex') {
1153: $currentstring .= '}';
1154: } elsif ($target eq 'latexsource') {
1155: $currentstring .= '}';
1156: }
1157: return $currentstring;
1158: }
1159:
1160: #-- <small> tag
1161: sub start_small {
1162: my ($target,$token) = @_;
1163: my $currentstring = '';
1164: if ($target eq 'web') {
1165: $currentstring .= $token->[4];
1166: } elsif ($target eq 'tex') {
1167: $currentstring .= '{\footnotesize ';
1168: } elsif ($target eq 'latexsource') {
1169: $currentstring .= '{\footnotesize ';
1170: }
1171: return $currentstring;
1172: }
1173:
1174: sub end_small {
1175: my ($target,$token) = @_;
1176: my $currentstring = '';
1177: if ($target eq 'web') {
1178: $currentstring .= $token->[2];
1179: } elsif ($target eq 'tex') {
1180: $currentstring .= '}';
1181: } elsif ($target eq 'latexsource') {
1182: $currentstring .= '}';
1183: }
1184: return $currentstring;
1185: }
1186:
1187: #-- <basefont> tag
1188: sub start_basefont {
1189: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1190: my $currentstring = '';
1191: if ($target eq 'web') {
1192: $currentstring = $token->[4];
1193: } elsif ($target eq 'tex') {
1194: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1195: if (defined $basesize) {
1196: $currentstring = '{\\'.$basesize.' ';
1197: }
1198: }
1199: return $currentstring;
1200: }
1201:
1202: sub end_basefont {
1203: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1204: my $currentstring = '';
1205: if ($target eq 'web') {
1206: $currentstring = $token->[4];
1207: } elsif ($target eq 'tex') {
1208: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1209: if (defined $basesize) {
1210: $currentstring = '}';
1211: }
1212: }
1213: return $currentstring;
1214: }
1215:
1216: #-- <font> tag
1217: sub start_font {
1218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1219: my $currentstring = '';
1220: if ($target eq 'web') {
1221: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1222: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
1223: $currentstring = $token->[4];
1224: } elsif ($target eq 'tex') {
1225: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1226: if (defined $fontsize) {
1227: $currentstring = '{\\'.$fontsize.' ';
1228: }
1229: }
1230: return $currentstring;
1231: }
1232:
1233: sub end_font {
1234: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1235: my $currentstring = '';
1236: if ($target eq 'web') {
1237: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1238: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
1239: $currentstring = $token->[2];
1240: } elsif ($target eq 'tex') {
1241: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1242: if (defined $fontsize) {
1243: $currentstring = '}';
1244: }
1245: }
1246: return $currentstring;
1247: }
1248:
1249: #-- <strike> tag
1250: sub start_strike {
1251: my ($target,$token) = @_;
1252: my $currentstring = '';
1253: if ($target eq 'web') {
1254: $currentstring .= $token->[4];
1255: } elsif ($target eq 'tex') {
1256: &Apache::lonxml::startredirection();
1257: }
1258: return $currentstring;
1259: }
1260:
1261: sub end_strike {
1262: my ($target,$token) = @_;
1263: my $currentstring = '';
1264: if ($target eq 'web') {
1265: $currentstring .= $token->[2];
1266: } elsif ($target eq 'tex') {
1267: $currentstring=&Apache::lonxml::endredirection();
1268: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1269: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1270: $currentstring=~s/(\S)\s*$/$1\}/;
1271: }
1272: return $currentstring;
1273: }
1274:
1275: #-- <s> tag
1276: sub start_s {
1277: my ($target,$token) = @_;
1278: my $currentstring = '';
1279: if ($target eq 'web') {
1280: $currentstring .= $token->[4];
1281: } elsif ($target eq 'tex') {
1282: &Apache::lonxml::startredirection();
1283: }
1284: return $currentstring;
1285: }
1286:
1287: sub end_s {
1288: my ($target,$token) = @_;
1289: my $currentstring = '';
1290: if ($target eq 'web') {
1291: $currentstring .= $token->[2];
1292: } elsif ($target eq 'tex') {
1293: $currentstring=&Apache::lonxml::endredirection();
1294: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1295: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1296: $currentstring=~s/(\S)\s*$/$1\}/;
1297: }
1298: return $currentstring;
1299: }
1300:
1301: #-- <sub> tag
1302: sub start_sub {
1303: my ($target,$token) = @_;
1304: my $currentstring = '';
1305: if ($target eq 'web') {
1306: $currentstring .= $token->[4];
1307: } elsif ($target eq 'tex') {
1308: $currentstring .= "\$_{ ";
1309: }
1310: return $currentstring;
1311: }
1312:
1313: sub end_sub {
1314: my ($target,$token) = @_;
1315: my $currentstring = '';
1316: if ($target eq 'web') {
1317: $currentstring .= $token->[2];
1318: } elsif ($target eq 'tex') {
1319: $currentstring .= " }\$";
1320: }
1321: return $currentstring;
1322: }
1323:
1324: #-- <sup> tag
1325: sub start_sup {
1326: my ($target,$token) = @_;
1327: my $currentstring = '';
1328: if ($target eq 'web') {
1329: $currentstring .= $token->[4];
1330: } elsif ($target eq 'tex') {
1331: $currentstring .= "\$^{ ";
1332: }
1333: return $currentstring;
1334: }
1335:
1336: sub end_sup {
1337: my ($target,$token) = @_;
1338: my $currentstring = '';
1339: if ($target eq 'web') {
1340: $currentstring .= $token->[2];
1341: } elsif ($target eq 'tex') {
1342: $currentstring .= " }\$";
1343: }
1344: return $currentstring;
1345: }
1346:
1347: #-- <hr> tag
1348: sub start_hr {
1349: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1350: my $currentstring = '';
1351: if ($target eq 'web') {
1352: $currentstring .= $token->[4];
1353: } elsif ($target eq 'tex') {
1354: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,0);
1355: if (defined $LaTeXwidth) {
1356: if ($LaTeXwidth=~/^%/) {
1357: substr($LaTeXwidth,0,1)='';
1358: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1359: }
1360: } else {
1361: $LaTeXwidth ='0.95\textwidth';
1362: }
1363: my ($pre,$post);
1364: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1365: if (($align eq 'center') || (not defined $align)) {
1366: $pre=''; $post='';
1367: } elsif ($align eq 'left') {
1368: $pre='\rlap{'; $post='} \hfill';
1369: } elsif ($align eq 'right') {
1370: $pre=' \hfill \llap{'; $post='}';
1371: }
1372: $currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['.
1373: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1374: }
1375: return $currentstring;
1376: }
1377:
1378: sub end_hr {
1379: my ($target,$token) = @_;
1380: my $currentstring = '';
1381: if ($target eq 'web') {
1382: $currentstring .= $token->[2];
1383: } elsif ($target eq 'tex') {
1384: }
1385: return $currentstring;
1386: }
1387:
1388: #-- <div> tag
1389: sub start_div {
1390: my ($target,$token) = @_;
1391: my $currentstring = '';
1392: if ($target eq 'web') {
1393: $currentstring .= $token->[4];
1394: }
1395: return $currentstring;
1396: }
1397:
1398: sub end_div {
1399: my ($target,$token) = @_;
1400: my $currentstring = '';
1401: if ($target eq 'web') {
1402: $currentstring .= $token->[2];
1403: }
1404: return $currentstring;
1405: }
1406:
1407: #-- <a> tag
1408: sub start_a {
1409: my ($target,$token) = @_;
1410: my $currentstring = '';
1411: if ($target eq 'web') {
1412: $currentstring .= $token->[4];
1413: } elsif ($target eq 'tex') {
1414: }
1415: return $currentstring;
1416: }
1417:
1418: sub end_a {
1419: my ($target,$token,$tagstack,$stackref) = @_;
1420: my $currentstring = '';
1421: if ($target eq 'web') {
1422: $currentstring .= $token->[2];
1423: } elsif ($target eq 'tex') {
1424: my $tempor_var = $stackref->[$#$stackref];
1425: if (index($tempor_var,'name') != -1 ) {
1426: $tempor_var =~ s/name=([^,]*),/$1/g;
1427: } elsif (index($tempor_var,'href') != -1 ) {
1428: $tempor_var =~ s/href=([^,]*),/$1/g;
1429: $currentstring .= " \\ref{$tempor_var}";
1430: }
1431: }
1432: return $currentstring;
1433: }
1434:
1435: #-- <li> tag
1436: sub start_li {
1437: my ($target,$token,$tagstack,$stackref) = @_;
1438: my $currentstring = '';
1439: if ($target eq 'web') {
1440: $currentstring = $token->[4];
1441: } elsif ($target eq 'tex') {
1442: my $tempor_var = $stackref->[$#$stackref];
1443: if (index($tempor_var,'circle') != -1 ) {
1444: $currentstring .= " \\item[o] ";
1445: } elsif (index($tempor_var,'square') != -1 ) {
1446: $currentstring .= " \\item[$\Box$] ";
1447: } elsif ($tempor_var ne '') {
1448: $_ = $tempor_var;
1449: m/my\s*([^=]*)=/;
1450: $currentstring .= " \\item[$1] ";
1451: } else {
1452: $currentstring .= " \\item ";
1453: }
1454: }
1455: return $currentstring;
1456: }
1457:
1458: sub end_li {
1459: my ($target,$token) = @_;
1460: my $currentstring = '';
1461: if ($target eq 'web') {
1462: $currentstring = $token->[2];
1463: }
1464: return $currentstring;
1465: }
1466:
1467: #-- <u> tag
1468: sub start_u {
1469: my ($target,$token) = @_;
1470: my $currentstring = '';
1471: if ($target eq 'web') {
1472: $currentstring .= $token->[4];
1473: } elsif ($target eq 'tex') {
1474: &Apache::lonxml::startredirection();
1475: }
1476: return $currentstring;
1477: }
1478:
1479: sub end_u {
1480: my ($target,$token) = @_;
1481: my $currentstring = '';
1482: if ($target eq 'web') {
1483: $currentstring .= $token->[2];
1484: } elsif ($target eq 'tex') {
1485: $currentstring=&Apache::lonxml::endredirection();
1486: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1487: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1488: $currentstring=~s/(\S)\s*$/$1\}/;
1489: }
1490: return $currentstring;
1491: }
1492:
1493: #-- <ul> tag
1494: sub start_ul {
1495: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1496: my $currentstring = '';
1497: if ($target eq 'web') {
1498: $currentstring = $token->[4];
1499: } elsif ($target eq 'tex') {
1500: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1501: if ($TeXtype eq 'disc') {
1502: $currentstring .= ' \renewcommand{\labelitemi}{$\bullet$}
1503: \renewcommand{\labelitemii}{$\bullet$}
1504: \renewcommand{\labelitemiii}{$\bullet$}
1505: \renewcommand{\labelitemiv}{$\bullet$}';
1506: } elsif ($TeXtype eq 'circle') {
1507: $currentstring .= ' \renewcommand{\labelitemi}{$\circ$}
1508: \renewcommand{\labelitemii}{$\circ$}
1509: \renewcommand{\labelitemiii}{$\circ$}
1510: \renewcommand{\labelitemiv}{$\circ$}';
1511: } elsif ($TeXtype eq 'square') {
1512: $currentstring .= ' \renewcommand{\labelitemi}{$\diamond$}
1513: \renewcommand{\labelitemii}{$\diamond$}
1514: \renewcommand{\labelitemiii}{$\diamond$}
1515: \renewcommand{\labelitemiv}{$\diamond$}';
1516: }
1517: $currentstring .= '\begin{itemize}';
1518: }
1519: return $currentstring;
1520: }
1521:
1522: sub end_ul {
1523: my ($target,$token) = @_;
1524: my $currentstring = '';
1525: if ($target eq 'web') {
1526: $currentstring = $token->[2];
1527: } elsif ($target eq 'tex') {
1528: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}
1529: \renewcommand{\labelitemii}{$\bullet$}
1530: \renewcommand{\labelitemiii}{$\bullet$}
1531: \renewcommand{\labelitemiv}{$\bullet$}';
1532: }
1533: return $currentstring;
1534: }
1535:
1536: #-- <menu> tag
1537: sub start_menu {
1538: my ($target,$token) = @_;
1539: my $currentstring = '';
1540: if ($target eq 'web') {
1541: $currentstring = $token->[4];
1542: } elsif ($target eq 'tex') {
1543: $currentstring = " \\begin{itemize} ";
1544: }
1545: return $currentstring;
1546: }
1547:
1548: sub end_menu {
1549: my ($target,$token) = @_;
1550: my $currentstring = '';
1551: if ($target eq 'web') {
1552: $currentstring = $token->[2];
1553: } elsif ($target eq 'tex') {
1554: $currentstring = " \\end{itemize}";
1555: }
1556: return $currentstring;
1557: }
1558:
1559: #-- <dir> tag
1560: sub start_dir {
1561: my ($target,$token) = @_;
1562: my $currentstring = '';
1563: if ($target eq 'web') {
1564: $currentstring = $token->[4];
1565: } elsif ($target eq 'tex') {
1566: $currentstring = " \\begin{itemize} ";
1567: }
1568: return $currentstring;
1569: }
1570:
1571: sub end_dir {
1572: my ($target,$token) = @_;
1573: my $currentstring = '';
1574: if ($target eq 'web') {
1575: $currentstring = $token->[2];
1576: } elsif ($target eq 'tex') {
1577: $currentstring = " \\end{itemize}";
1578: }
1579: return $currentstring;
1580: }
1581:
1582: #-- <ol> tag
1583: sub start_ol {
1584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1585: my $currentstring = '';
1586: if ($target eq 'web') {
1587: $currentstring = $token->[4];
1588: } elsif ($target eq 'tex') {
1589: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1590: if ($type eq '1') {
1591: $currentstring .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}
1592: \renewcommand{\labelenumii}{\arabic{enumii}.}
1593: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1594: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1595: } elsif ($type eq 'A') {
1596: $currentstring .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
1597: \renewcommand{\labelenumii}{\Alph{enumii}.}
1598: \renewcommand{\labelenumiii}{\Alph{enumiii}.}
1599: \renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1600: } elsif ($type eq 'a') {
1601: $currentstring .= ' \renewcommand{\labelenumi}{\alph{enumi}.}
1602: \renewcommand{\labelenumii}{\alph{enumii}.}
1603: \renewcommand{\labelenumiii}{\alph{enumiii}.}
1604: \renewcommand{\labelenumiv}{\alph{enumiv}.} ';
1605: } elsif ($type eq 'i') {
1606: $currentstring .= ' \renewcommand{\labelenumi}{\roman{enumi}.}
1607: \renewcommand{\labelenumii}{\roman{enumii}.}
1608: \renewcommand{\labelenumiii}{\roman{enumiii}.}
1609: \renewcommand{\labelenumiv}{\roman{enumiv}.} ';
1610: } elsif ($type eq 'I') {
1611: $currentstring .= ' \renewcommand{\labelenumi}{\Roman{enumi}.}
1612: \renewcommand{\labelenumii}{\Roman{enumii}.}
1613: \renewcommand{\labelenumiii}{\Roman{enumiii}.}
1614: \renewcommand{\labelenumiv}{\Roman{enumiv}.} ';
1615: }
1616: $currentstring .= '\begin{enumerate}';
1617: }
1618: return $currentstring;
1619: }
1620:
1621: sub end_ol {
1622: my ($target,$token) = @_;
1623: my $currentstring = '';
1624: if ($target eq 'web') {
1625: $currentstring = $token->[2];
1626: } elsif ($target eq 'tex') {
1627: $currentstring = '\end{enumerate} \renewcommand{\labelenumi}{\arabic{enumi}.}
1628: \renewcommand{\labelenumii}{\arabic{enumii}.}
1629: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1630: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1631: }
1632: return $currentstring;
1633: }
1634:
1635: #-- <dl> tag
1636: sub start_dl {
1637: my ($target,$token) = @_;
1638: my $currentstring = '';
1639: if ($target eq 'web') {
1640: $currentstring = $token->[4];
1641: } elsif ($target eq 'tex') {
1642: $currentstring = '\begin{description}';
1643: }
1644: return $currentstring;
1645: }
1646:
1647: sub end_dl {
1648: my ($target,$token) = @_;
1649: my $currentstring = '';
1650: if ($target eq 'web') {
1651: $currentstring = $token->[2];
1652: } elsif ($target eq 'tex') {
1653: $currentstring = '\end{description}';
1654: }
1655: return $currentstring;
1656: }
1657:
1658: #-- <dt> tag
1659: sub start_dt {
1660: my ($target,$token) = @_;
1661: my $currentstring = '';
1662: if ($target eq 'web') {
1663: $currentstring = $token->[4];
1664: } elsif ($target eq 'tex') {
1665: $currentstring = '\item[';
1666: }
1667: return $currentstring;
1668: }
1669:
1670: sub end_dt {
1671: my ($target,$token) = @_;
1672: my $currentstring = '';
1673: if ($target eq 'web') {
1674: $currentstring = $token->[2];
1675: } elsif ($target eq 'tex') {
1676: $currentstring = ']';
1677: }
1678: return $currentstring;
1679: }
1680:
1681: #-- <dd> tag
1682: sub start_dd {
1683: my ($target,$token) = @_;
1684: my $currentstring = '';
1685: if ($target eq 'web') {
1686: $currentstring = $token->[4];
1687: }
1688: return $currentstring;
1689: }
1690:
1691: sub end_dd {
1692: my ($target,$token) = @_;
1693: my $currentstring = '';
1694: if ($target eq 'web') {
1695: $currentstring = $token->[2];
1696: }
1697: return $currentstring;
1698: }
1699:
1700: #-- <table> tag
1701: sub start_table {
1702: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1703: my $textwidth;
1704: if (not defined @Apache::londefdef::table) {
1705: $textwidth=&recalc($ENV{'form.textwidth'});
1706: $textwidth=~/(\d+)/;
1707: $textwidth=$1;
1708: } else {
1709: $textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1710: }
1711: my $currentstring = '';
1712: if ($target eq 'web') {
1713: $currentstring = $token->[4];
1714: } elsif ($target eq 'tex') {
1715: my $aa = {};
1716: push @Apache::londefdef::table, $aa;
1717: $Apache::londefdef::table[-1]{'row_number'} = -1;
1718: #table's width
1719: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1720: if (not defined $TeXwidth) {
1721: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
1722: if ($htmlwidth=~/%/) {
1723: $htmlwidth=~/(\d+)/;
1724: my $value=$1*$textwidth/100;
1725: $Apache::londefdef::table[-1]{'width'}=$value;
1726: } else {
1727: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1728: }
1729: } elsif ($TeXwidth=~/%/) {
1730: $TeXwidth=~/(\d+)/;
1731: my $value=$1*$textwidth/100;
1732: $Apache::londefdef::table[-1]{'width'}=$value;
1733: } else {
1734: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1735: }
1736: #table's border
1737: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
1738: unless (defined $border) { $border = 0; }
1739: if ($border) {
1740: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1741: $Apache::londefdef::table[-1]{'vinc'} = '&';
1742: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1743: } else {
1744: $Apache::londefdef::table[-1]{'hinc'} = '';
1745: $Apache::londefdef::table[-1]{'vinc'} = '&';
1746: $Apache::londefdef::table[-1]{'vvinc'} = '';
1747: }
1748: $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
1749: $currentstring = '\keephidden{NEW TABLE ENTRY '.$textwidth.'}';
1750: }
1751: return $currentstring;
1752: }
1753:
1754: sub end_table {
1755: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1756: my $currentstring = '';
1757: if ($target eq 'web') {
1758: $currentstring = $token->[2];
1759: } elsif ($target eq 'tex') {
1760: my $inmemory = '';
1761: my $output = '';
1762: #construct header of the table
1763: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1764: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
1765: $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
1766: }
1767: $header_of_table .= '}';
1768: #define the length of the table cells
1769: #always starts with TeXwidth (if defined everything else is ignored)
1770: my @length_row_final = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[0]);
1771: for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1772: my @length_row = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[$in]);
1773: for (my $jn=0;$jn<=$#length_row;$jn++) {
1774: if ($length_row_final[$jn]<$length_row[$jn]) {$length_row_final[$jn]=$length_row[$jn];}
1775: }
1776: }
1777: #continues trying estimate the width of raw data
1778: my @length_raw_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
1779: for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1780: my @length_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[$in]);
1781: for (my $jn=0;$jn<=$#length_row;$jn++) {
1782: if ($length_raw_row[$jn]<$length_row[$jn]) {$length_raw_row[$jn]=$length_row[$jn];}
1783: }
1784: }
1785: #comparing of TeXwidth and raw data width
1786: my $available_length=$Apache::londefdef::table[-1]{'width'};
1787: my $needed=0;
1788: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1789: if ($length_row_final[$jn]!=0) {
1790: $available_length=$available_length-$length_row_final[$jn];
1791: $needed++;
1792: }
1793: }
1794: $needed=$#length_row_final-$needed+1;
1795: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1796: if ($length_row_final[$jn]==0) {
1797: if ($length_raw_row[$jn]<$available_length/3) {
1798: $length_row_final[$jn]=$length_raw_row[$jn];
1799: $available_length=$available_length-$length_raw_row[$jn];
1800: $needed--;
1801: }
1802: }
1803: }
1804: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1805: if ($length_row_final[$jn]==0) {
1806: $length_row_final[$jn]=0.9*$available_length/$needed;
1807: }
1808: }
1809: #fill the table
1810: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1811: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1812: my $substituted=$length_row_final[$jn];
1813: $Apache::londefdef::table[-1]{'rowdata'}[$in]=~s/TOBECHANGEDONNUMBER/$substituted mm/;
1814: }
1815: $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
1816: chop $output;
1817: $output .= ' \\\\ ';
1818: }
1819: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
1820: if ($#Apache::londefdef::table > 0) {
1821: my $inmemory = $Apache::londefdef::table[-1]{'output'};
1822: pop @Apache::londefdef::table;
1823: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1824: } else {
1825: $currentstring .= $Apache::londefdef::table[-1]{'output'};
1826: pop @Apache::londefdef::table;
1827: }
1828: }
1829: return $currentstring;
1830: }
1831:
1832: #-- <tr> tag
1833: sub start_tr {
1834: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1835: my $currentstring = '';
1836: if ($target eq 'web') {
1837: $currentstring = $token->[4];
1838: } elsif ($target eq 'tex') {
1839: $Apache::londefdef::table[-1]{'row_number'}++;
1840: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1841: if ($alignchar ne '') {
1842: push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
1843: } else {
1844: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
1845: }
1846: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1847: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1848: $Apache::londefdef::table[-1]{'TeXlength'} = '';
1849: $Apache::londefdef::table[-1]{'length'} = '';
1850: }
1851: return $currentstring;
1852: }
1853:
1854: sub end_tr {
1855: my ($target,$token) = @_;
1856: my $currentstring = '';
1857: if ($target eq 'web') {
1858: $currentstring = $token->[2];
1859: } elsif ($target eq 'tex') {
1860: push @{ $Apache::londefdef::table[-1]{'TeXlengthrow'} },$Apache::londefdef::table[-1]{'TeXlength'};
1861: push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
1862: }
1863: return $currentstring;
1864: }
1865:
1866: #-- <td> tag
1867: sub start_td {
1868: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1869: my $currentstring = '';
1870: if ($target eq 'web') {
1871: $currentstring = $token->[4];
1872: } elsif ($target eq 'tex') {
1873: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1874: if ($what_to_push eq '') {
1875: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1876: }
1877: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1878: $Apache::londefdef::table[-1]{'counter_columns'}++;
1879: &Apache::lonxml::startredirection();
1880: }
1881: return $currentstring;
1882: }
1883:
1884: sub end_td {
1885: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1886: my $currentstring = '';
1887: if ($target eq 'web') {
1888: $currentstring = $token->[2];
1889: } elsif ($target eq 'tex') {
1890: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1891: my $data=&Apache::lonxml::endredirection();
1892: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1893: if (defined $TeXwidth) {
1894: my $current_length=&recalc($TeXwidth);
1895: $current_length=~/(\d+)/;
1896: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1897: $Apache::londefdef::table[-1]{'length'} .= '0,';
1898: } else {
1899: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
1900: my $current_length=&recalc($1);
1901: $current_length=~/(\d+\.?\d*)/;
1902: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1903: $Apache::londefdef::table[-1]{'length'} .= '0,';
1904: } else {
1905: $data=~/^\s*(\S.*)/;
1906: $data=$1;
1907: $data=~/(.*\S)\s*$/;
1908: $data=$1;
1909: my $current_length=2*length($data);
1910: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
1911: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
1912: }
1913: }
1914: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
1915: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
1916: }
1917: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1918: }
1919: return $currentstring;
1920: }
1921:
1922: #-- <th> tag
1923: sub start_th {
1924: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1925: my $currentstring = '';
1926: if ($target eq 'web') {
1927: $currentstring = $token->[4];
1928: } elsif ($target eq 'tex') {
1929: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1930: if ($what_to_push eq '') {
1931: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1932: }
1933: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1934: $Apache::londefdef::table[-1]{'counter_columns'}++;
1935: &Apache::lonxml::startredirection();
1936: }
1937: return $currentstring;
1938: }
1939:
1940: sub end_th {
1941: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1942: my $currentstring = '';
1943: if ($target eq 'web') {
1944: $currentstring = $token->[2];
1945: } elsif ($target eq 'tex') {
1946: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1947: my $data=&Apache::lonxml::endredirection();
1948: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1949: if (defined $TeXwidth) {
1950: my $current_length=&recalc($TeXwidth);
1951: $current_length=~/(\d+)/;
1952: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1953: $Apache::londefdef::table[-1]{'length'} .= '0,';
1954: } else {
1955: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
1956: my $current_length=&recalc($1);
1957: $current_length=~/(\d+)/;
1958: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1959: $Apache::londefdef::table[-1]{'length'} .= '0,';
1960: } else {
1961: $data=~/^\s*(\S.*)/;
1962: $data=$1;
1963: $data=~/(.*\S)\s*$/;
1964: $data=$1;
1965: my $current_length=2*length($data);
1966: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
1967: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
1968: }
1969: }
1970: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
1971: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
1972: }
1973: $data='\textbf{'.$data.'}';
1974: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1975: }
1976: return $currentstring;
1977: }
1978: #-- <img> tag
1979: sub start_img {
1980: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1981: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
1982: undef,1);
1983: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1984: my $currentstring = '';
1985: my $width_param = '';
1986: my $height_param = '';
1987: my $scaling = .3;
1988:
1989: if ($target eq 'web') {
1990: if ($ENV{'browser.imagesuppress'} ne 'on') {
1991: $currentstring = $token->[4];
1992: } else {
1993: my $alttag= &Apache::lonxml::get_param
1994: ('alt',$parstack,$safeeval,undef,1);
1995: unless ($alttag) {
1996: $alttag=&Apache::lonmeta::alttag
1997: ($Apache::lonxml::pwd[-1],$src);
1998: }
1999: $currentstring='[IMAGE: '.$alttag.']';
2000: }
2001: } elsif ($target eq 'tex') {
2002: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
2003: &image_replication($src);
2004:
2005: #if original gif/jpg/png file exist do following:
2006: if (-e $src) {
2007: #defines the default size of image
2008: my $image = Image::Magick->new;
2009: my $current_figure = $image->Read($src);
2010: $width_param = $image->Get('width') * $scaling;;
2011: $height_param = $image->Get('height') * $scaling;;
2012: undef $image;
2013: #do we have any specified size of the picture?
2014: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
2015: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
2016: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
2017: undef,1);
2018: if ($TeXwidth ne '') {
2019: if ($TeXwidth=~/(\d+)\s*\%/) {
2020: $width_param = $1*$ENV{'form.textwidth'}/100;
2021: } else {
2022: $width_param = $TeXwidth;
2023: }
2024: } elsif ($TeXheight ne '') {
2025: $width_param = $TeXheight/$height_param*$width_param;
2026: } elsif ($width ne '') {
2027: $width_param = $width*$scaling;
2028: }
2029: my $file;
2030: my $path;
2031: if ($src =~ m!(.*)/([^/]*)$!) {
2032: $file = $2;
2033: $path = $1.'/';
2034: }
2035: my $newsrc = $src;
2036: $newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
2037: $file=~s/\.(gif|jpg|png)$/.eps/i;
2038: #where can we find the picture?
2039: if (-e $newsrc) {
2040: #eps counterpart for image exist
2041: if ($path) {
2042: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2043: }
2044: } else {
2045: #there is no eps counterpart for image - check for ps one
2046: $newsrc =~ s/\.eps$/\.ps/;
2047: if (-e $newsrc) {
2048: #ps counterpart for image exist
2049: $file =~ s/\.eps$/\.ps/;
2050: if ($path) {
2051: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2052: }
2053: } else {
2054: #there aren't eps or ps - so create eps
2055: my $temp_file;
2056: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
2057: $temp_file = Apache::File->new('>>'.$filename);
2058: print $temp_file "$src\n";
2059: $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2060: }
2061: }
2062: } else {
2063: #original image file doesn't exist so check the alt attribute
2064: my $alt =
2065: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2066: unless ($alt) {
2067: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2068: }
2069:
2070: if ($alt) {
2071: $currentstring .= ' '.$alt.' ';
2072: } else {
2073: #<allow> tag will care about replication
2074: }
2075: }
2076: }
2077: return $currentstring;
2078: }
2079:
2080: sub end_img {
2081: my ($target,$token) = @_;
2082: my $currentstring = '';
2083: if ($target eq 'web') {
2084: $currentstring = $token->[2];
2085: } elsif ($target eq 'tex') {
2086: $currentstring = '';
2087: }
2088: return $currentstring;
2089: }
2090:
2091: #-- <applet> tag
2092: sub start_applet {
2093: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2094:
2095: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
2096: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
2097:
2098: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2099: undef,1);
2100: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
2101:
2102: my $currentstring = '';
2103: if ($target eq 'web') {
2104: if ($ENV{'browser.appletsuppress'} ne 'on') {
2105: $currentstring = $token->[4];
2106: } else {
2107: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2108: $safeeval,undef,1);
2109: unless ($alttag) {
2110: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2111: $code);
2112: }
2113: $currentstring='[APPLET: '.$alttag.']';
2114: }
2115: } elsif ($target eq 'tex') {
2116: $currentstring = " \\begin{figure} ";
2117: }
2118: return $currentstring;
2119: }
2120:
2121: sub end_applet {
2122: my ($target,$token) = @_;
2123: my $currentstring = '';
2124: if ($target eq 'web') {
2125: $currentstring = $token->[2];
2126: } elsif ($target eq 'tex') {
2127: $currentstring = " \\end{figure}";
2128: }
2129: return $currentstring;
2130: }
2131:
2132: #-- <embed> tag
2133: sub start_embed {
2134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2135: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2136: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2137: my $currentstring = '';
2138: if ($target eq 'web') {
2139: if ($ENV{'browser.embedsuppress'} ne 'on') {
2140: $currentstring = $token->[4];
2141: } else {
2142: my $alttag=&Apache::lonxml::get_param
2143: ('alt',$parstack,$safeeval,undef,1);
2144: unless ($alttag) {
2145: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2146: }
2147: $currentstring='[EMBED: '.$alttag.']';
2148: }
2149: } elsif ($target eq 'tex') {
2150: $currentstring = " \\begin{figure} ";
2151: }
2152: return $currentstring;
2153: }
2154:
2155: sub end_embed {
2156: my ($target,$token) = @_;
2157: my $currentstring = '';
2158: if ($target eq 'web') {
2159: $currentstring = $token->[2];
2160: } elsif ($target eq 'tex') {
2161: $currentstring = " \\end{figure}";
2162: }
2163: return $currentstring;
2164: }
2165:
2166: #-- <param> tag
2167: sub start_param {
2168: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2169: if (&Apache::lonxml::get_param
2170: ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
2171: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2172: &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
2173: }
2174: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2175: &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2176: my $currentstring = '';
2177: if ($target eq 'web') {
2178: $currentstring = $token->[4];
2179: } elsif ($target eq 'tex') {
2180: $currentstring = " \\begin{figure} ";
2181: }
2182: return $currentstring;
2183: }
2184:
2185: sub end_param {
2186: my ($target,$token) = @_;
2187: my $currentstring = '';
2188: if ($target eq 'web') {
2189: $currentstring = $token->[2];
2190: } elsif ($target eq 'tex') {
2191: $currentstring = " \\end{figure}";
2192: }
2193: return $currentstring;
2194: }
2195:
2196: #-- <allow> tag
2197: sub start_allow {
2198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2199: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2200: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
2201: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2202: &image_replication($src);
2203: my $result;
2204: if ($target eq 'edit') {
2205: $result .=&Apache::edit::tag_start($target,$token);
2206: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
2207: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
2208: } elsif ($target eq 'modified') {
2209: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2210: $safeeval,'src');
2211: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2212: }
2213: return $result;
2214: }
2215:
2216: sub end_allow {
2217: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2218: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
2219: return '';
2220: }
2221:
2222: #-- Frames
2223: sub start_frameset {
2224: my ($target,$token) = @_;
2225: my $currentstring = '';
2226: if ($target eq 'web') {
2227: if (!$Apache::lonxml::registered) {
2228: $currentstring.='<head>'.
2229: &Apache::lonmenu::registerurl(undef,$target).'</head>';
2230: }
2231: my $onLoad='';
2232: foreach my $key (keys(%{$token->[2]})) {
2233: if ($key =~ /^onload$/i) {
2234: $onLoad.=$token->[2]->{$key}.';';
2235: delete($token->[2]->{$key});
2236: }
2237: }
2238: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
2239: my $onUnload='';
2240: foreach my $key (keys(%{$token->[2]})) {
2241: if ($key =~ /^onunload$/i) {
2242: $onUnload.=$token->[2]->{$key}.';';
2243: delete($token->[2]->{$key});
2244: }
2245: }
2246: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
2247: ';'.$onUnload;
2248:
2249: $currentstring .= '<'.$token->[1];
2250: foreach (keys %{$token->[2]}) {
2251: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
2252: }
2253: $currentstring.='>';
2254: }
2255: return $currentstring;
2256: }
2257:
2258: sub end_frameset {
2259: my ($target,$token) = @_;
2260: my $currentstring = '';
2261: if ($target eq 'web') {
2262: $currentstring = $token->[2];
2263: }
2264: return $currentstring;
2265: }
2266:
2267: #-- <pre>
2268: sub start_pre {
2269: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2270: my $currentstring = '';
2271: if ($target eq 'web') {
2272: $currentstring .= $token->[4];
2273: } elsif ($target eq 'tex') {
2274: $currentstring .= '\begin{verbatim}';
2275: }
2276: return $currentstring;
2277: }
2278:
2279: sub end_pre {
2280: my ($target,$token) = @_;
2281: my $currentstring = '';
2282: if ($target eq 'web') {
2283: $currentstring .= $token->[2];
2284: } elsif ($target eq 'tex') {
2285: $currentstring .= '\end{verbatim}';
2286: }
2287: return $currentstring;
2288: }
2289:
2290: #-- <insert>
2291: sub start_insert {
2292: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2293: my $currentstring = '';
2294: if ($target eq 'web') {
2295: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2296: $currentstring .= '<b>'.$display.'</b>';;
2297: }
2298: return $currentstring;
2299: }
2300:
2301: sub end_insert {
2302: my ($target,$token) = @_;
2303: my $currentstring = '';
2304: if ($target eq 'web') {
2305: $currentstring .= '';
2306: }
2307: return $currentstring;
2308: }
2309:
2310: #-- <externallink>
2311: sub start_externallink {
2312: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2313: my $currentstring = '';
2314: if ($target eq 'web') {
2315: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2316: $currentstring .= '<b>'.$display.'</b>';;
2317: }
2318: return $currentstring;
2319: }
2320:
2321: sub end_externallink {
2322: my ($target,$token) = @_;
2323: my $currentstring = '';
2324: if ($target eq 'web') {
2325: $currentstring .= '';
2326: }
2327: return $currentstring;
2328: }
2329:
2330: #-- <blankspace heigth="">
2331: sub start_blankspace {
2332: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2333: my $currentstring = '';
2334: if ($target eq 'tex') {
2335: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
2336: $currentstring .= '\vskip '.$howmuch.' ';
2337: }
2338: return $currentstring;
2339: }
2340:
2341: sub end_blankspace {
2342: my ($target,$token) = @_;
2343: my $currentstring = '';
2344: if ($target eq 'tex') {
2345: $currentstring .= '';
2346: }
2347: return $currentstring;
2348: }
2349:
2350: #-- <abbr> tag
2351: sub start_abbr {
2352: my ($target,$token) = @_;
2353: my $currentstring = '';
2354: if ($target eq 'web') {
2355: $currentstring = $token->[4];
2356: }
2357: return $currentstring;
2358: }
2359:
2360: sub end_abbr {
2361: my ($target,$token) = @_;
2362: my $currentstring = '';
2363: if ($target eq 'web') {
2364: $currentstring = $token->[2];
2365: }
2366: return $currentstring;
2367: }
2368:
2369: #-- <acronym> tag
2370: sub start_acronym {
2371: my ($target,$token) = @_;
2372: my $currentstring = '';
2373: if ($target eq 'web') {
2374: $currentstring = $token->[4];
2375: }
2376: return $currentstring;
2377: }
2378:
2379: sub end_acronym {
2380: my ($target,$token) = @_;
2381: my $currentstring = '';
2382: if ($target eq 'web') {
2383: $currentstring = $token->[2];
2384: }
2385: return $currentstring;
2386: }
2387:
2388: #-- <area> tag
2389: sub start_area {
2390: my ($target,$token) = @_;
2391: my $currentstring = '';
2392: if ($target eq 'web') {
2393: $currentstring = $token->[4];
2394: }
2395: return $currentstring;
2396: }
2397:
2398: sub end_area {
2399: my ($target,$token) = @_;
2400: my $currentstring = '';
2401: if ($target eq 'web') {
2402: $currentstring = $token->[2];
2403: }
2404: return $currentstring;
2405: }
2406:
2407: #-- <base> tag
2408: sub start_base {
2409: my ($target,$token) = @_;
2410: my $currentstring = '';
2411: if ($target eq 'web') {
2412: $currentstring = $token->[4];
2413: }
2414: return $currentstring;
2415: }
2416:
2417: sub end_base {
2418: my ($target,$token) = @_;
2419: my $currentstring = '';
2420: if ($target eq 'web') {
2421: $currentstring = $token->[2];
2422: }
2423: return $currentstring;
2424: }
2425:
2426: #-- <bdo> tag
2427: sub start_bdo {
2428: my ($target,$token) = @_;
2429: my $currentstring = '';
2430: if ($target eq 'web') {
2431: $currentstring = $token->[4];
2432: }
2433: return $currentstring;
2434: }
2435:
2436: sub end_bdo {
2437: my ($target,$token) = @_;
2438: my $currentstring = '';
2439: if ($target eq 'web') {
2440: $currentstring = $token->[2];
2441: }
2442: return $currentstring;
2443: }
2444:
2445: #-- <bgsound> tag
2446: sub start_bgsound {
2447: my ($target,$token) = @_;
2448: my $currentstring = '';
2449: if ($target eq 'web') {
2450: $currentstring = $token->[4];
2451: }
2452: return $currentstring;
2453: }
2454:
2455: sub end_bgsound {
2456: my ($target,$token) = @_;
2457: my $currentstring = '';
2458: if ($target eq 'web') {
2459: $currentstring = $token->[2];
2460: }
2461: return $currentstring;
2462: }
2463:
2464: #-- <blink> tag
2465: sub start_blink {
2466: my ($target,$token) = @_;
2467: my $currentstring = '';
2468: if ($target eq 'web') {
2469: $currentstring = $token->[4];
2470: }
2471: return $currentstring;
2472: }
2473:
2474: sub end_blink {
2475: my ($target,$token) = @_;
2476: my $currentstring = '';
2477: if ($target eq 'web') {
2478: $currentstring = $token->[2];
2479: }
2480: return $currentstring;
2481: }
2482:
2483: #-- <blockquote> tag
2484: sub start_blockquote {
2485: my ($target,$token) = @_;
2486: my $currentstring = '';
2487: if ($target eq 'web') {
2488: $currentstring = $token->[4];
2489: }
2490: return $currentstring;
2491: }
2492:
2493: sub end_blockquote {
2494: my ($target,$token) = @_;
2495: my $currentstring = '';
2496: if ($target eq 'web') {
2497: $currentstring = $token->[2];
2498: }
2499: return $currentstring;
2500: }
2501:
2502: #-- <button> tag
2503: sub start_button {
2504: my ($target,$token) = @_;
2505: my $currentstring = '';
2506: if ($target eq 'web') {
2507: $currentstring = $token->[4];
2508: }
2509: return $currentstring;
2510: }
2511:
2512: sub end_button {
2513: my ($target,$token) = @_;
2514: my $currentstring = '';
2515: if ($target eq 'web') {
2516: $currentstring = $token->[2];
2517: }
2518: return $currentstring;
2519: }
2520:
2521: #-- <caption> tag
2522: sub start_caption {
2523: my ($target,$token) = @_;
2524: my $currentstring = '';
2525: if ($target eq 'web') {
2526: $currentstring = $token->[4];
2527: }
2528: return $currentstring;
2529: }
2530:
2531: sub end_caption {
2532: my ($target,$token) = @_;
2533: my $currentstring = '';
2534: if ($target eq 'web') {
2535: $currentstring = $token->[2];
2536: }
2537: return $currentstring;
2538: }
2539:
2540: #-- <col> tag
2541: sub start_col {
2542: my ($target,$token) = @_;
2543: my $currentstring = '';
2544: if ($target eq 'web') {
2545: $currentstring = $token->[4];
2546: }
2547: return $currentstring;
2548: }
2549:
2550: sub end_col {
2551: my ($target,$token) = @_;
2552: my $currentstring = '';
2553: if ($target eq 'web') {
2554: $currentstring = $token->[2];
2555: }
2556: return $currentstring;
2557: }
2558:
2559: #-- <colgroup> tag
2560: sub start_colgroup {
2561: my ($target,$token) = @_;
2562: my $currentstring = '';
2563: if ($target eq 'web') {
2564: $currentstring = $token->[4];
2565: }
2566: return $currentstring;
2567: }
2568:
2569: sub end_colgroup {
2570: my ($target,$token) = @_;
2571: my $currentstring = '';
2572: if ($target eq 'web') {
2573: $currentstring = $token->[2];
2574: }
2575: return $currentstring;
2576: }
2577:
2578: #-- <del> tag
2579: sub start_del {
2580: my ($target,$token) = @_;
2581: my $currentstring = '';
2582: if ($target eq 'web') {
2583: $currentstring = $token->[4];
2584: }
2585: return $currentstring;
2586: }
2587:
2588: sub end_del {
2589: my ($target,$token) = @_;
2590: my $currentstring = '';
2591: if ($target eq 'web') {
2592: $currentstring = $token->[2];
2593: }
2594: return $currentstring;
2595: }
2596:
2597: #-- <fieldset> tag
2598: sub start_fieldset {
2599: my ($target,$token) = @_;
2600: my $currentstring = '';
2601: if ($target eq 'web') {
2602: $currentstring = $token->[4];
2603: }
2604: return $currentstring;
2605: }
2606:
2607: sub end_fieldset {
2608: my ($target,$token) = @_;
2609: my $currentstring = '';
2610: if ($target eq 'web') {
2611: $currentstring = $token->[2];
2612: }
2613: return $currentstring;
2614: }
2615:
2616: #-- <frame> tag
2617: sub start_frame {
2618: my ($target,$token) = @_;
2619: my $currentstring = '';
2620: if ($target eq 'web') {
2621: $currentstring = $token->[4];
2622: }
2623: return $currentstring;
2624: }
2625:
2626: sub end_frame {
2627: my ($target,$token) = @_;
2628: my $currentstring = '';
2629: if ($target eq 'web') {
2630: $currentstring = $token->[2];
2631: }
2632: return $currentstring;
2633: }
2634:
2635: #-- <iframe> tag
2636: sub start_iframe {
2637: my ($target,$token) = @_;
2638: my $currentstring = '';
2639: if ($target eq 'web') {
2640: $currentstring = $token->[4];
2641: }
2642: return $currentstring;
2643: }
2644:
2645: sub end_iframe {
2646: my ($target,$token) = @_;
2647: my $currentstring = '';
2648: if ($target eq 'web') {
2649: $currentstring = $token->[2];
2650: }
2651: return $currentstring;
2652: }
2653:
2654: #-- <ins> tag
2655: sub start_ins {
2656: my ($target,$token) = @_;
2657: my $currentstring = '';
2658: if ($target eq 'web') {
2659: $currentstring = $token->[4];
2660: }
2661: return $currentstring;
2662: }
2663:
2664: sub end_ins {
2665: my ($target,$token) = @_;
2666: my $currentstring = '';
2667: if ($target eq 'web') {
2668: $currentstring = $token->[2];
2669: }
2670: return $currentstring;
2671: }
2672:
2673: #-- <isindex> tag
2674: sub start_isindex {
2675: my ($target,$token) = @_;
2676: my $currentstring = '';
2677: if ($target eq 'web') {
2678: $currentstring = $token->[4];
2679: }
2680: return $currentstring;
2681: }
2682:
2683: sub end_isindex {
2684: my ($target,$token) = @_;
2685: my $currentstring = '';
2686: if ($target eq 'web') {
2687: $currentstring = $token->[2];
2688: }
2689: return $currentstring;
2690: }
2691:
2692: #-- <keygen> tag
2693: sub start_keygen {
2694: my ($target,$token) = @_;
2695: my $currentstring = '';
2696: if ($target eq 'web') {
2697: $currentstring = $token->[4];
2698: }
2699: return $currentstring;
2700: }
2701:
2702: sub end_keygen {
2703: my ($target,$token) = @_;
2704: my $currentstring = '';
2705: if ($target eq 'web') {
2706: $currentstring = $token->[2];
2707: }
2708: return $currentstring;
2709: }
2710:
2711: #-- <label> tag
2712: sub start_label {
2713: my ($target,$token) = @_;
2714: my $currentstring = '';
2715: if ($target eq 'web') {
2716: $currentstring = $token->[4];
2717: }
2718: return $currentstring;
2719: }
2720:
2721: sub end_label {
2722: my ($target,$token) = @_;
2723: my $currentstring = '';
2724: if ($target eq 'web') {
2725: $currentstring = $token->[2];
2726: }
2727: return $currentstring;
2728: }
2729:
2730: #-- <layer> tag
2731: sub start_layer {
2732: my ($target,$token) = @_;
2733: my $currentstring = '';
2734: if ($target eq 'web') {
2735: $currentstring = $token->[4];
2736: }
2737: return $currentstring;
2738: }
2739:
2740: sub end_layer {
2741: my ($target,$token) = @_;
2742: my $currentstring = '';
2743: if ($target eq 'web') {
2744: $currentstring = $token->[2];
2745: }
2746: return $currentstring;
2747: }
2748:
2749: #-- <legend> tag
2750: sub start_legend {
2751: my ($target,$token) = @_;
2752: my $currentstring = '';
2753: if ($target eq 'web') {
2754: $currentstring = $token->[4];
2755: }
2756: return $currentstring;
2757: }
2758:
2759: sub end_legend {
2760: my ($target,$token) = @_;
2761: my $currentstring = '';
2762: if ($target eq 'web') {
2763: $currentstring = $token->[2];
2764: }
2765: return $currentstring;
2766: }
2767:
2768: #-- <link> tag
2769: sub start_link {
2770: my ($target,$token) = @_;
2771: my $currentstring = '';
2772: if ($target eq 'web') {
2773: $currentstring = $token->[4];
2774: }
2775: return $currentstring;
2776: }
2777:
2778: sub end_link {
2779: my ($target,$token) = @_;
2780: my $currentstring = '';
2781: if ($target eq 'web') {
2782: $currentstring = $token->[2];
2783: }
2784: return $currentstring;
2785: }
2786:
2787: #-- <marquee> tag
2788: sub start_marquee {
2789: my ($target,$token) = @_;
2790: my $currentstring = '';
2791: if ($target eq 'web') {
2792: $currentstring = $token->[4];
2793: }
2794: return $currentstring;
2795: }
2796:
2797: sub end_marquee {
2798: my ($target,$token) = @_;
2799: my $currentstring = '';
2800: if ($target eq 'web') {
2801: $currentstring = $token->[2];
2802: }
2803: return $currentstring;
2804: }
2805:
2806: #-- <malticol> tag
2807: sub start_malticol {
2808: my ($target,$token) = @_;
2809: my $currentstring = '';
2810: if ($target eq 'web') {
2811: $currentstring = $token->[4];
2812: }
2813: return $currentstring;
2814: }
2815:
2816: sub end_malticol {
2817: my ($target,$token) = @_;
2818: my $currentstring = '';
2819: if ($target eq 'web') {
2820: $currentstring = $token->[2];
2821: }
2822: return $currentstring;
2823: }
2824:
2825: #-- <nobr> tag
2826: sub start_nobr {
2827: my ($target,$token) = @_;
2828: my $currentstring = '';
2829: if ($target eq 'web') {
2830: $currentstring = $token->[4];
2831: }
2832: return $currentstring;
2833: }
2834:
2835: sub end_nobr {
2836: my ($target,$token) = @_;
2837: my $currentstring = '';
2838: if ($target eq 'web') {
2839: $currentstring = $token->[2];
2840: }
2841: return $currentstring;
2842: }
2843:
2844: #-- <noembed> tag
2845: sub start_noembed {
2846: my ($target,$token) = @_;
2847: my $currentstring = '';
2848: if ($target eq 'web') {
2849: $currentstring = $token->[4];
2850: }
2851: return $currentstring;
2852: }
2853:
2854: sub end_noembed {
2855: my ($target,$token) = @_;
2856: my $currentstring = '';
2857: if ($target eq 'web') {
2858: $currentstring = $token->[2];
2859: }
2860: return $currentstring;
2861: }
2862:
2863: #-- <noframes> tag
2864: sub start_noframes {
2865: my ($target,$token) = @_;
2866: my $currentstring = '';
2867: if ($target eq 'web') {
2868: $currentstring = $token->[4];
2869: }
2870: return $currentstring;
2871: }
2872:
2873: sub end_noframes {
2874: my ($target,$token) = @_;
2875: my $currentstring = '';
2876: if ($target eq 'web') {
2877: $currentstring = $token->[2];
2878: }
2879: return $currentstring;
2880: }
2881:
2882: #-- <nolayer> tag
2883: sub start_nolayer {
2884: my ($target,$token) = @_;
2885: my $currentstring = '';
2886: if ($target eq 'web') {
2887: $currentstring = $token->[4];
2888: }
2889: return $currentstring;
2890: }
2891:
2892: sub end_nolayer {
2893: my ($target,$token) = @_;
2894: my $currentstring = '';
2895: if ($target eq 'web') {
2896: $currentstring = $token->[2];
2897: }
2898: return $currentstring;
2899: }
2900:
2901: #-- <noscript> tag
2902: sub start_noscript {
2903: my ($target,$token) = @_;
2904: my $currentstring = '';
2905: if ($target eq 'web') {
2906: $currentstring = $token->[4];
2907: }
2908: return $currentstring;
2909: }
2910:
2911: sub end_noscript {
2912: my ($target,$token) = @_;
2913: my $currentstring = '';
2914: if ($target eq 'web') {
2915: $currentstring = $token->[2];
2916: }
2917: return $currentstring;
2918: }
2919:
2920: #-- <object> tag
2921: sub start_object {
2922: my ($target,$token) = @_;
2923: my $currentstring = '';
2924: if ($target eq 'web') {
2925: $currentstring = $token->[4];
2926: }
2927: return $currentstring;
2928: }
2929:
2930: sub end_object {
2931: my ($target,$token) = @_;
2932: my $currentstring = '';
2933: if ($target eq 'web') {
2934: $currentstring = $token->[2];
2935: }
2936: return $currentstring;
2937: }
2938:
2939: #-- <optgroup> tag
2940: sub start_optgroup {
2941: my ($target,$token) = @_;
2942: my $currentstring = '';
2943: if ($target eq 'web') {
2944: $currentstring = $token->[4];
2945: }
2946: return $currentstring;
2947: }
2948:
2949: sub end_optgroup {
2950: my ($target,$token) = @_;
2951: my $currentstring = '';
2952: if ($target eq 'web') {
2953: $currentstring = $token->[2];
2954: }
2955: return $currentstring;
2956: }
2957:
2958: #-- <samp> tag
2959: sub start_samp {
2960: my ($target,$token) = @_;
2961: my $currentstring = '';
2962: if ($target eq 'web') {
2963: $currentstring = $token->[4];
2964: }
2965: return $currentstring;
2966: }
2967:
2968: sub end_samp {
2969: my ($target,$token) = @_;
2970: my $currentstring = '';
2971: if ($target eq 'web') {
2972: $currentstring = $token->[2];
2973: }
2974: return $currentstring;
2975: }
2976:
2977: #-- <server> tag
2978: sub start_server {
2979: my ($target,$token) = @_;
2980: my $currentstring = '';
2981: if ($target eq 'web') {
2982: $currentstring = $token->[4];
2983: }
2984: return $currentstring;
2985: }
2986:
2987: sub end_server {
2988: my ($target,$token) = @_;
2989: my $currentstring = '';
2990: if ($target eq 'web') {
2991: $currentstring = $token->[2];
2992: }
2993: return $currentstring;
2994: }
2995:
2996: #-- <spacer> tag
2997: sub start_spacer {
2998: my ($target,$token) = @_;
2999: my $currentstring = '';
3000: if ($target eq 'web') {
3001: $currentstring = $token->[4];
3002: }
3003: return $currentstring;
3004: }
3005:
3006: sub end_spacer {
3007: my ($target,$token) = @_;
3008: my $currentstring = '';
3009: if ($target eq 'web') {
3010: $currentstring = $token->[2];
3011: }
3012: return $currentstring;
3013: }
3014:
3015: #-- <span> tag
3016: sub start_span {
3017: my ($target,$token) = @_;
3018: my $currentstring = '';
3019: if ($target eq 'web') {
3020: $currentstring = $token->[4];
3021: }
3022: return $currentstring;
3023: }
3024:
3025: sub end_span {
3026: my ($target,$token) = @_;
3027: my $currentstring = '';
3028: if ($target eq 'web') {
3029: $currentstring = $token->[2];
3030: }
3031: return $currentstring;
3032: }
3033:
3034: #-- <tbody> tag
3035: sub start_tbody {
3036: my ($target,$token) = @_;
3037: my $currentstring = '';
3038: if ($target eq 'web') {
3039: $currentstring = $token->[4];
3040: }
3041: return $currentstring;
3042: }
3043:
3044: sub end_tbody {
3045: my ($target,$token) = @_;
3046: my $currentstring = '';
3047: if ($target eq 'web') {
3048: $currentstring = $token->[2];
3049: }
3050: return $currentstring;
3051: }
3052:
3053: #-- <tfoot> tag
3054: sub start_tfoot {
3055: my ($target,$token) = @_;
3056: my $currentstring = '';
3057: if ($target eq 'web') {
3058: $currentstring = $token->[4];
3059: }
3060: return $currentstring;
3061: }
3062:
3063: sub end_tfoot {
3064: my ($target,$token) = @_;
3065: my $currentstring = '';
3066: if ($target eq 'web') {
3067: $currentstring = $token->[2];
3068: }
3069: return $currentstring;
3070: }
3071:
3072: #-- <thead> tag
3073: sub start_thead {
3074: my ($target,$token) = @_;
3075: my $currentstring = '';
3076: if ($target eq 'web') {
3077: $currentstring = $token->[4];
3078: }
3079: return $currentstring;
3080: }
3081:
3082: sub end_thead {
3083: my ($target,$token) = @_;
3084: my $currentstring = '';
3085: if ($target eq 'web') {
3086: $currentstring = $token->[2];
3087: }
3088: return $currentstring;
3089: }
3090:
3091: #-- <var> tag
3092: sub start_var {
3093: my ($target,$token) = @_;
3094: my $currentstring = '';
3095: if ($target eq 'web') {
3096: $currentstring = $token->[4];
3097: }
3098: return $currentstring;
3099: }
3100:
3101: sub end_var {
3102: my ($target,$token) = @_;
3103: my $currentstring = '';
3104: if ($target eq 'web') {
3105: $currentstring = $token->[2];
3106: }
3107: return $currentstring;
3108: }
3109:
3110: #-- <wbr> tag
3111: sub start_wbr {
3112: my ($target,$token) = @_;
3113: my $currentstring = '';
3114: if ($target eq 'web') {
3115: $currentstring = $token->[4];
3116: }
3117: return $currentstring;
3118: }
3119:
3120: sub end_wbr {
3121: my ($target,$token) = @_;
3122: my $currentstring = '';
3123: if ($target eq 'web') {
3124: $currentstring = $token->[2];
3125: }
3126: return $currentstring;
3127: }
3128:
3129:
3130: #-- <hideweboutput> tag
3131: sub start_hideweboutput {
3132: my ($target,$token) = @_;
3133: if ($target eq 'web') {
3134: &Apache::lonxml::startredirection();
3135: }
3136: return '';
3137: }
3138:
3139: sub end_hideweboutput {
3140: my ($target,$token) = @_;
3141: my $currentstring = '';
3142: if ($target eq 'web') {
3143: $currentstring = &Apache::lonxml::endredirection();
3144: }
3145: return '';
3146: }
3147:
3148:
3149: sub image_replication {
3150: my $src = shift;
3151: if (not -e $src) {
3152: #replicates image itself
3153: &Apache::lonnet::repcopy($src);
3154: #replicates eps or ps
3155: my $newsrc = $src;
3156: $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
3157: if (not -e $newsrc) {
3158: if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
3159: $newsrc =~ s/\.eps$/\.ps/;
3160: &Apache::lonnet::repcopy($newsrc);
3161: }
3162: }
3163: }
3164: return '';
3165: }
3166:
3167: sub recalc {
3168: my $argument = shift;
3169: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
3170: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
3171: my $value=$1;
3172: my $units=$2;
3173: if ($units eq 'cm') {
3174: $value*=10;
3175: } elsif ($units eq 'in') {
3176: $value*=25.4;
3177: } elsif ($units eq 'pc') {
3178: $value*=(25.4*12/72.27);
3179: } elsif ($units eq 'pt') {
3180: $value*=(25.4/72.27);
3181: }
3182: return $value.' mm';
3183: }
3184:
3185: 1;
3186: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to londefdef.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / xml