1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # $Id: londefdef.pm,v 1.145 2003/06/27 14:01:19 albertel Exp $
5: #
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
30: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
31: # binary executable programs or libraries distributed by the
32: # Michigan State University (the "Licensee"), but any binaries so
33: # distributed are hereby licensed only for use in the context
34: # of a program or computational system for which the Licensee is the
35: # primary author or distributor, and which performs substantial
36: # additional tasks beyond the translation of (La)TeX into HTML.
37: # The C source of the Code may not be distributed by the Licensee
38: # to any other parties under any circumstances.
39: #
40: #
41: # last modified 06/26/00 by Alexander Sakharuk
42: # 11/6,11/30,02/01/01,5/4 Gerd Kortemeyer
43: # 01/18 Alex Sakharuk
44:
45: package Apache::londefdef;
46:
47: use Apache::lonnet();
48: use strict;
49: use Apache::lonxml;
50: use Apache::File();
51: use Image::Magick;
52: use Apache::lonmenu();
53: use Apache::lonmeta();
54:
55: BEGIN {
56:
57: &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','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: }
506: return $currentstring;
507: }
508:
509: sub end_center {
510: my ($target,$token) = @_;
511: my $currentstring = '';
512: if ($target eq 'web') {
513: $currentstring = $token->[2];
514: } elsif ($target eq 'tex') {
515: $currentstring = '\end{center}';
516: }
517: return $currentstring;
518: }
519:
520: #-- <b> tag
521: sub start_b {
522: my ($target,$token) = @_;
523: my $currentstring = '';
524: if ($target eq 'web') {
525: $currentstring = $token->[4];
526: } elsif ($target eq 'tex') {
527: $currentstring = '\textbf{';
528: }
529: return $currentstring;
530: }
531:
532: sub end_b {
533: my ($target,$token) = @_;
534: my $currentstring = '';
535: if ($target eq 'web') {
536: $currentstring = $token->[2];
537: } elsif ($target eq 'tex') {
538: $currentstring = '}';
539: }
540: return $currentstring;
541: }
542:
543: #-- <strong> tag
544: sub start_strong {
545: my ($target,$token) = @_;
546: my $currentstring = '';
547: if ($target eq 'web') {
548: $currentstring = $token->[4];
549: } elsif ($target eq 'tex') {
550: $currentstring = '\textbf{';
551: }
552: return $currentstring;
553: }
554:
555: sub end_strong {
556: my ($target,$token) = @_;
557: my $currentstring = '';
558: if ($target eq 'web') {
559:
560: $currentstring = $token->[2];
561: } elsif ($target eq 'tex') {
562: $currentstring = '}';
563: }
564: return $currentstring;
565: }
566:
567: #-- <h1> tag
568: sub start_h1 {
569: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
570: my $currentstring = '';
571: if ($target eq 'web') {
572: $currentstring .= $token->[4];
573: } elsif ($target eq 'tex') {
574: my $pre;
575: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
576: if (($align eq 'center') || (not defined $align)) {
577: $pre='\begin{center}';
578: } elsif ($align eq 'left') {
579: $pre='\rlap{';
580: } elsif ($align eq 'right') {
581: $pre=' \hfill \llap{';
582: }
583: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
584: if (not defined $TeXsize) {$TeXsize="large";}
585: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
586: } elsif ($target eq 'meta') {
587: $currentstring='<subject>';
588: &start_output();
589: }
590: return $currentstring;
591: }
592:
593: sub end_h1 {
594: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
595: my $currentstring = '';
596: if ($target eq 'web') {
597: $currentstring .= $token->[2];
598: } elsif ($target eq 'tex') {
599: my $post;
600: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
601: if (($align eq 'center') || (not defined $align)) {
602: $post='\end{center}';
603: } elsif ($align eq 'left') {
604: $post='} \hfill'.'\vskip 0 mm ';
605: } elsif ($align eq 'right') {
606: $post='}'.'\vskip 0 mm ';
607: }
608: $currentstring .= '}}'.$post;
609: } elsif ($target eq 'meta') {
610: &end_output();
611: $currentstring='</subject>';
612: }
613: return $currentstring;
614: }
615:
616: #-- <h2> tag
617: sub start_h2 {
618: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
619: my $currentstring = '';
620: if ($target eq 'web') {
621: $currentstring .= $token->[4];
622: } elsif ($target eq 'tex') {
623: my $pre;
624: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
625: if (($align eq 'center') || (not defined $align)) {
626: $pre='\begin{center}';
627: } elsif ($align eq 'left') {
628: $pre='\rlap{';
629: } elsif ($align eq 'right') {
630: $pre=' \hfill \llap{';
631: }
632: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
633: if (not defined $TeXsize) {$TeXsize="large";}
634: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
635: }
636: return $currentstring;
637: }
638:
639: sub end_h2 {
640: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
641: my $currentstring = '';
642: if ($target eq 'web') {
643: $currentstring .= $token->[2];
644: } elsif ($target eq 'tex') {
645: my $post;
646: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
647: if (($align eq 'center') || (not defined $align)) {
648: $post='\end{center}';
649: } elsif ($align eq 'left') {
650: $post='} \hfill'.'\vskip 0 mm ';
651: } elsif ($align eq 'right') {
652: $post='}'.'\vskip 0 mm ';
653: }
654: $currentstring .= '}}'.$post;
655: }
656: return $currentstring;
657: }
658:
659: #-- <h3> tag
660: sub start_h3 {
661: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
662: my $currentstring = '';
663: if ($target eq 'web') {
664: $currentstring .= $token->[4];
665: } elsif ($target eq 'tex') {
666: my $pre;
667: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
668: if (($align eq 'center') || (not defined $align)) {
669: $pre='\begin{center}';
670: } elsif ($align eq 'left') {
671: $pre='\rlap{';
672: } elsif ($align eq 'right') {
673: $pre=' \hfill \llap{';
674: }
675: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
676: if (not defined $TeXsize) {$TeXsize="large";}
677: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
678: }
679: return $currentstring;
680: }
681:
682: sub end_h3 {
683: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
684: my $currentstring = '';
685: if ($target eq 'web') {
686: $currentstring .= $token->[2];
687: } elsif ($target eq 'tex') {
688: my $post;
689: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
690: if (($align eq 'center') || (not defined $align)) {
691: $post='\end{center}';
692: } elsif ($align eq 'left') {
693: $post='} \hfill'.'\vskip 0 mm ';
694: } elsif ($align eq 'right') {
695: $post='}'.'\vskip 0 mm ';
696: }
697: $currentstring .= '}}'.$post;
698: }
699: return $currentstring;
700: }
701:
702: #-- <h4> tag
703: sub start_h4 {
704: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
705: my $currentstring = '';
706: if ($target eq 'web') {
707: $currentstring .= $token->[4];
708: } elsif ($target eq 'tex') {
709: my $pre;
710: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
711: if (($align eq 'center') || (not defined $align)) {
712: $pre='\begin{center}';
713: } elsif ($align eq 'left') {
714: $pre='\rlap{';
715: } elsif ($align eq 'right') {
716: $pre=' \hfill \llap{';
717: }
718: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
719: if (not defined $TeXsize) {$TeXsize="large";}
720: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
721: }
722: return $currentstring;
723: }
724:
725: sub end_h4 {
726: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
727: my $currentstring = '';
728: if ($target eq 'web') {
729: $currentstring .= $token->[2];
730: } elsif ($target eq 'tex') {
731: my $post;
732: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
733: if (($align eq 'center') || (not defined $align)) {
734: $post='\end{center}';
735: } elsif ($align eq 'left') {
736: $post='} \hfill'.'\vskip 0 mm ';
737: } elsif ($align eq 'right') {
738: $post='}'.'\vskip 0 mm ';
739: }
740: $currentstring .= '}}'.$post;
741: }
742: return $currentstring;
743: }
744:
745: #-- <h5> tag
746: sub start_h5 {
747: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
748: my $currentstring = '';
749: if ($target eq 'web') {
750: $currentstring .= $token->[4];
751: } elsif ($target eq 'tex') {
752: my $pre;
753: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
754: if (($align eq 'center') || (not defined $align)) {
755: $pre='\begin{center}';
756: } elsif ($align eq 'left') {
757: $pre='\rlap{';
758: } elsif ($align eq 'right') {
759: $pre=' \hfill \llap{';
760: }
761: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
762: if (not defined $TeXsize) {$TeXsize="large";}
763: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
764: }
765: return $currentstring;
766: }
767:
768: sub end_h5 {
769: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
770: my $currentstring = '';
771: if ($target eq 'web') {
772: $currentstring .= $token->[2];
773: } elsif ($target eq 'tex') {
774: my $post;
775: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
776: if (($align eq 'center') || (not defined $align)) {
777: $post='\end{center}';
778: } elsif ($align eq 'left') {
779: $post='} \hfill'.'\vskip 0 mm ';
780: } elsif ($align eq 'right') {
781: $post='}'.'\vskip 0 mm ';
782: }
783: $currentstring .= '}}'.$post;
784: }
785: return $currentstring;
786: }
787:
788: #-- <h6> tag
789: sub start_h6 {
790: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
791: my $currentstring = '';
792: if ($target eq 'web') {
793: $currentstring .= $token->[4];
794: } elsif ($target eq 'tex') {
795: my $pre;
796: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
797: if (($align eq 'center') || (not defined $align)) {
798: $pre='\begin{center}';
799: } elsif ($align eq 'left') {
800: $pre='\rlap{';
801: } elsif ($align eq 'right') {
802: $pre=' \hfill \llap{';
803: }
804: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
805: if (not defined $TeXsize) {$TeXsize="large";}
806: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
807: }
808: return $currentstring;
809: }
810:
811: sub end_h6 {
812: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
813: my $currentstring = '';
814: if ($target eq 'web') {
815: $currentstring .= $token->[2];
816: } elsif ($target eq 'tex') {
817: my $post;
818: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
819: if (($align eq 'center') || (not defined $align)) {
820: $post='\end{center}';
821: } elsif ($align eq 'left') {
822: $post='} \hfill'.'\vskip 0 mm ';
823: } elsif ($align eq 'right') {
824: $post='}'.'\vskip 0 mm ';
825: }
826: $currentstring .= '}}'.$post;
827: }
828: return $currentstring;
829: }
830:
831: #--- <cite> tag
832: sub start_cite {
833: my ($target,$token) = @_;
834: my $currentstring = '';
835: if ($target eq 'web') {
836: $currentstring .= $token->[4];
837: } elsif ($target eq 'tex') {
838: $currentstring .= "\\textit{";
839: }
840: return $currentstring;
841: }
842:
843: sub end_cite {
844: my ($target,$token) = @_;
845: my $currentstring = '';
846: if ($target eq 'web') {
847: $currentstring .= $token->[2];
848: } elsif ($target eq 'tex') {
849: $currentstring .= "}";
850: }
851: return $currentstring;
852: }
853:
854: #-- <i> tag
855: sub start_i {
856: my ($target,$token) = @_;
857: my $currentstring = '';
858: if ($target eq 'web') {
859: $currentstring .= $token->[4];
860: } elsif ($target eq 'tex') {
861: $currentstring .= '\textit{';
862: }
863: return $currentstring;
864: }
865:
866: sub end_i {
867: my ($target,$token) = @_;
868: my $currentstring = '';
869: if ($target eq 'web') {
870: $currentstring .= $token->[2];
871: } elsif ($target eq 'tex') {
872: $currentstring .= '}';
873: }
874: return $currentstring;
875: }
876:
877: #-- <address> tag
878: sub start_address {
879: my ($target,$token) = @_;
880: my $currentstring = '';
881: if ($target eq 'web') {
882: $currentstring .= $token->[4];
883: } elsif ($target eq 'tex') {
884: $currentstring .= "\\textit{";
885: }
886: return $currentstring;
887: }
888:
889: sub end_address {
890: my ($target,$token) = @_;
891: my $currentstring = '';
892: if ($target eq 'web') {
893: $currentstring .= $token->[2];
894: } elsif ($target eq 'tex') {
895: $currentstring .= "}";
896: }
897: return $currentstring;
898: }
899:
900: #-- <dfn> tag
901: sub start_dfn {
902: my ($target,$token) = @_;
903: my $currentstring = '';
904: if ($target eq 'web') {
905: $currentstring .= $token->[4];
906: } elsif ($target eq 'tex') {
907: $currentstring .= "\\textit{";
908: }
909: return $currentstring;
910: }
911:
912: sub end_dfn {
913: my ($target,$token) = @_;
914: my $currentstring = '';
915: if ($target eq 'web') {
916: $currentstring .= $token->[2];
917: } elsif ($target eq 'tex') {
918: $currentstring .= "}";
919: }
920: return $currentstring;
921: }
922:
923: #-- <tt> tag
924: sub start_tt {
925: my ($target,$token) = @_;
926: my $currentstring = '';
927: if ($target eq 'web') {
928: $currentstring .= $token->[4];
929: } elsif ($target eq 'tex') {
930: $currentstring .= '\texttt{';
931: }
932: return $currentstring;
933: }
934:
935: sub end_tt {
936: my ($target,$token) = @_;
937: my $currentstring = '';
938: if ($target eq 'web') {
939: $currentstring .= $token->[2];
940: } elsif ($target eq 'tex') {
941: $currentstring .= '}';
942: }
943: return $currentstring;
944: }
945:
946: #-- <kbd> tag
947: sub start_kbd {
948: my ($target,$token) = @_;
949: my $currentstring = '';
950: if ($target eq 'web') {
951: $currentstring .= $token->[4];
952: } elsif ($target eq 'tex') {
953: $currentstring .= "\\texttt";
954: }
955: return $currentstring;
956: }
957:
958: sub end_kbd {
959: my ($target,$token) = @_;
960: my $currentstring = '';
961: if ($target eq 'web') {
962: $currentstring .= $token->[2];
963: } elsif ($target eq 'tex') {
964: $currentstring .= "}";
965: }
966: return $currentstring;
967: }
968:
969: #-- <code> tag
970: sub start_code {
971: my ($target,$token) = @_;
972: my $currentstring = '';
973: if ($target eq 'web') {
974: $currentstring .= $token->[4];
975: } elsif ($target eq 'tex') {
976: $currentstring .= '\texttt{';
977: }
978: return $currentstring;
979: }
980:
981: sub end_code {
982: my ($target,$token) = @_;
983: my $currentstring = '';
984: if ($target eq 'web') {
985: $currentstring .= $token->[2];
986: } elsif ($target eq 'tex') {
987: $currentstring .= '}';
988: }
989: return $currentstring;
990: }
991:
992: #-- <em> tag
993: sub start_em {
994: my ($target,$token) = @_;
995: my $currentstring = '';
996: if ($target eq 'web') {
997: $currentstring .= $token->[4];
998: } elsif ($target eq 'tex') {
999: $currentstring .= '\emph{';
1000: }
1001: return $currentstring;
1002: }
1003:
1004: sub end_em {
1005: my ($target,$token) = @_;
1006: my $currentstring = '';
1007: if ($target eq 'web') {
1008: $currentstring .= $token->[2];
1009: } elsif ($target eq 'tex') {
1010: $currentstring .= '}';
1011: }
1012: return $currentstring;
1013: }
1014:
1015: #-- <q> tag
1016: sub start_q {
1017: my ($target,$token) = @_;
1018: my $currentstring = '';
1019: if ($target eq 'web') {
1020: $currentstring .= $token->[4];
1021: } elsif ($target eq 'tex') {
1022: $currentstring .= "\\emph{";
1023: }
1024: return $currentstring;
1025: }
1026:
1027: sub end_q {
1028: my ($target,$token) = @_;
1029: my $currentstring = '';
1030: if ($target eq 'web') {
1031: $currentstring .= $token->[2];
1032: } elsif ($target eq 'tex') {
1033: $currentstring .= "}";
1034: }
1035: return $currentstring;
1036: }
1037:
1038: #-- <p> tag
1039: sub start_p {
1040: my ($target,$token) = @_;
1041: my $currentstring = '';
1042: if ($target eq 'web') {
1043: $currentstring .= $token->[4];
1044: } elsif ($target eq 'tex') {
1045: $currentstring .= '\par ';
1046: }
1047: return $currentstring;
1048: }
1049:
1050: sub end_p {
1051: my ($target,$token) = @_;
1052: my $currentstring = '';
1053: if ($target eq 'web') {
1054: $currentstring .= $token->[2];
1055: }
1056: return $currentstring;
1057: }
1058:
1059: #-- <br> tag
1060: sub start_br {
1061: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1062: my $currentstring = '';
1063: if ($target eq 'web') {
1064: $currentstring .= $token->[4];
1065: } elsif ($target eq 'tex') {
1066: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
1067: $currentstring .= '\vskip 0.2 mm';
1068: }
1069: }
1070: return $currentstring;
1071: }
1072:
1073: sub end_br {
1074: my ($target,$token) = @_;
1075: my $currentstring = '';
1076: if ($target eq 'web') {
1077: $currentstring .= $token->[2];
1078: }
1079: return $currentstring;
1080: }
1081:
1082: #-- <big> tag
1083: sub start_big {
1084: my ($target,$token) = @_;
1085: my $currentstring = '';
1086: if ($target eq 'web') {
1087: $currentstring .= $token->[4];
1088: } elsif ($target eq 'tex') {
1089: $currentstring .= '{\large ';
1090: }
1091: return $currentstring;
1092: }
1093:
1094: sub end_big {
1095: my ($target,$token) = @_;
1096: my $currentstring = '';
1097: if ($target eq 'web') {
1098: $currentstring .= $token->[2];
1099: } elsif ($target eq 'tex') {
1100: $currentstring .= '}';
1101: }
1102: return $currentstring;
1103: }
1104:
1105: #-- <small> tag
1106: sub start_small {
1107: my ($target,$token) = @_;
1108: my $currentstring = '';
1109: if ($target eq 'web') {
1110: $currentstring .= $token->[4];
1111: } elsif ($target eq 'tex') {
1112: $currentstring .= '{\footnotesize ';
1113: }
1114: return $currentstring;
1115: }
1116:
1117: sub end_small {
1118: my ($target,$token) = @_;
1119: my $currentstring = '';
1120: if ($target eq 'web') {
1121: $currentstring .= $token->[2];
1122: } elsif ($target eq 'tex') {
1123: $currentstring .= '}';
1124: }
1125: return $currentstring;
1126: }
1127:
1128: #-- <basefont> tag
1129: sub start_basefont {
1130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1131: my $currentstring = '';
1132: if ($target eq 'web') {
1133: $currentstring = $token->[4];
1134: } elsif ($target eq 'tex') {
1135: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1136: if (defined $basesize) {
1137: $currentstring = '{\\'.$basesize.' ';
1138: }
1139: }
1140: return $currentstring;
1141: }
1142:
1143: sub end_basefont {
1144: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1145: my $currentstring = '';
1146: if ($target eq 'web') {
1147: $currentstring = $token->[4];
1148: } elsif ($target eq 'tex') {
1149: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1150: if (defined $basesize) {
1151: $currentstring = '}';
1152: }
1153: }
1154: return $currentstring;
1155: }
1156:
1157: #-- <font> tag
1158: sub start_font {
1159: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1160: my $currentstring = '';
1161: if ($target eq 'web') {
1162: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1163: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
1164: $currentstring = $token->[4];
1165: } elsif ($target eq 'tex') {
1166: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1167: if (defined $fontsize) {
1168: $currentstring = '{\\'.$fontsize.' ';
1169: }
1170: }
1171: return $currentstring;
1172: }
1173:
1174: sub end_font {
1175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1176: my $currentstring = '';
1177: if ($target eq 'web') {
1178: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1179: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
1180: $currentstring = $token->[2];
1181: } elsif ($target eq 'tex') {
1182: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1183: if (defined $fontsize) {
1184: $currentstring = '}';
1185: }
1186: }
1187: return $currentstring;
1188: }
1189:
1190: #-- <strike> tag
1191: sub start_strike {
1192: my ($target,$token) = @_;
1193: my $currentstring = '';
1194: if ($target eq 'web') {
1195: $currentstring .= $token->[4];
1196: } elsif ($target eq 'tex') {
1197: &Apache::lonxml::startredirection();
1198: }
1199: return $currentstring;
1200: }
1201:
1202: sub end_strike {
1203: my ($target,$token) = @_;
1204: my $currentstring = '';
1205: if ($target eq 'web') {
1206: $currentstring .= $token->[2];
1207: } elsif ($target eq 'tex') {
1208: $currentstring=&Apache::lonxml::endredirection();
1209: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1210: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1211: $currentstring=~s/(\S)\s*$/$1\}/;
1212: }
1213: return $currentstring;
1214: }
1215:
1216: #-- <s> tag
1217: sub start_s {
1218: my ($target,$token) = @_;
1219: my $currentstring = '';
1220: if ($target eq 'web') {
1221: $currentstring .= $token->[4];
1222: } elsif ($target eq 'tex') {
1223: &Apache::lonxml::startredirection();
1224: }
1225: return $currentstring;
1226: }
1227:
1228: sub end_s {
1229: my ($target,$token) = @_;
1230: my $currentstring = '';
1231: if ($target eq 'web') {
1232: $currentstring .= $token->[2];
1233: } elsif ($target eq 'tex') {
1234: $currentstring=&Apache::lonxml::endredirection();
1235: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1236: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1237: $currentstring=~s/(\S)\s*$/$1\}/;
1238: }
1239: return $currentstring;
1240: }
1241:
1242: #-- <sub> tag
1243: sub start_sub {
1244: my ($target,$token) = @_;
1245: my $currentstring = '';
1246: if ($target eq 'web') {
1247: $currentstring .= $token->[4];
1248: } elsif ($target eq 'tex') {
1249: $currentstring .= "\$_{ ";
1250: }
1251: return $currentstring;
1252: }
1253:
1254: sub end_sub {
1255: my ($target,$token) = @_;
1256: my $currentstring = '';
1257: if ($target eq 'web') {
1258: $currentstring .= $token->[2];
1259: } elsif ($target eq 'tex') {
1260: $currentstring .= " }\$";
1261: }
1262: return $currentstring;
1263: }
1264:
1265: #-- <sup> tag
1266: sub start_sup {
1267: my ($target,$token) = @_;
1268: my $currentstring = '';
1269: if ($target eq 'web') {
1270: $currentstring .= $token->[4];
1271: } elsif ($target eq 'tex') {
1272: $currentstring .= "\$^{ ";
1273: }
1274: return $currentstring;
1275: }
1276:
1277: sub end_sup {
1278: my ($target,$token) = @_;
1279: my $currentstring = '';
1280: if ($target eq 'web') {
1281: $currentstring .= $token->[2];
1282: } elsif ($target eq 'tex') {
1283: $currentstring .= " }\$";
1284: }
1285: return $currentstring;
1286: }
1287:
1288: #-- <hr> tag
1289: sub start_hr {
1290: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1291: my $currentstring = '';
1292: if ($target eq 'web') {
1293: $currentstring .= $token->[4];
1294: } elsif ($target eq 'tex') {
1295: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,0);
1296: if (defined $LaTeXwidth) {
1297: if ($LaTeXwidth=~/^%/) {
1298: substr($LaTeXwidth,0,1)='';
1299: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1300: }
1301: } else {
1302: $LaTeXwidth ='0.95\textwidth';
1303: }
1304: my ($pre,$post);
1305: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1306: if (($align eq 'center') || (not defined $align)) {
1307: $pre=''; $post='';
1308: } elsif ($align eq 'left') {
1309: $pre='\rlap{'; $post='} \hfill';
1310: } elsif ($align eq 'right') {
1311: $pre=' \hfill \llap{'; $post='}';
1312: }
1313: $currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['.
1314: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1315: }
1316: return $currentstring;
1317: }
1318:
1319: sub end_hr {
1320: my ($target,$token) = @_;
1321: my $currentstring = '';
1322: if ($target eq 'web') {
1323: $currentstring .= $token->[2];
1324: } elsif ($target eq 'tex') {
1325: }
1326: return $currentstring;
1327: }
1328:
1329: #-- <div> tag
1330: sub start_div {
1331: my ($target,$token) = @_;
1332: my $currentstring = '';
1333: if ($target eq 'web') {
1334: $currentstring .= $token->[4];
1335: }
1336: return $currentstring;
1337: }
1338:
1339: sub end_div {
1340: my ($target,$token) = @_;
1341: my $currentstring = '';
1342: if ($target eq 'web') {
1343: $currentstring .= $token->[2];
1344: }
1345: return $currentstring;
1346: }
1347:
1348: #-- <a> tag
1349: sub start_a {
1350: my ($target,$token) = @_;
1351: my $currentstring = '';
1352: if ($target eq 'web') {
1353: $currentstring .= $token->[4];
1354: } elsif ($target eq 'tex') {
1355: }
1356: return $currentstring;
1357: }
1358:
1359: sub end_a {
1360: my ($target,$token,$tagstack,$stackref) = @_;
1361: my $currentstring = '';
1362: if ($target eq 'web') {
1363: $currentstring .= $token->[2];
1364: } elsif ($target eq 'tex') {
1365: my $tempor_var = $stackref->[$#$stackref];
1366: if (index($tempor_var,'name') != -1 ) {
1367: $tempor_var =~ s/name=([^,]*),/$1/g;
1368: } elsif (index($tempor_var,'href') != -1 ) {
1369: $tempor_var =~ s/href=([^,]*),/$1/g;
1370: $currentstring .= " \\ref{$tempor_var}";
1371: }
1372: }
1373: return $currentstring;
1374: }
1375:
1376: #-- <li> tag
1377: sub start_li {
1378: my ($target,$token,$tagstack,$stackref) = @_;
1379: my $currentstring = '';
1380: if ($target eq 'web') {
1381: $currentstring = $token->[4];
1382: } elsif ($target eq 'tex') {
1383: my $tempor_var = $stackref->[$#$stackref];
1384: if (index($tempor_var,'circle') != -1 ) {
1385: $currentstring .= " \\item[o] ";
1386: } elsif (index($tempor_var,'square') != -1 ) {
1387: $currentstring .= " \\item[$\Box$] ";
1388: } elsif ($tempor_var ne '') {
1389: $_ = $tempor_var;
1390: m/my\s*([^=]*)=/;
1391: $currentstring .= " \\item[$1] ";
1392: } else {
1393: $currentstring .= " \\item ";
1394: }
1395: }
1396: return $currentstring;
1397: }
1398:
1399: sub end_li {
1400: my ($target,$token) = @_;
1401: my $currentstring = '';
1402: if ($target eq 'web') {
1403: $currentstring = $token->[2];
1404: }
1405: return $currentstring;
1406: }
1407:
1408: #-- <u> tag
1409: sub start_u {
1410: my ($target,$token) = @_;
1411: my $currentstring = '';
1412: if ($target eq 'web') {
1413: $currentstring .= $token->[4];
1414: } elsif ($target eq 'tex') {
1415: &Apache::lonxml::startredirection();
1416: }
1417: return $currentstring;
1418: }
1419:
1420: sub end_u {
1421: my ($target,$token) = @_;
1422: my $currentstring = '';
1423: if ($target eq 'web') {
1424: $currentstring .= $token->[2];
1425: } elsif ($target eq 'tex') {
1426: $currentstring=&Apache::lonxml::endredirection();
1427: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1428: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1429: $currentstring=~s/(\S)\s*$/$1\}/;
1430: }
1431: return $currentstring;
1432: }
1433:
1434: #-- <ul> tag
1435: sub start_ul {
1436: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1437: my $currentstring = '';
1438: if ($target eq 'web') {
1439: $currentstring = $token->[4];
1440: } elsif ($target eq 'tex') {
1441: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1442: if ($TeXtype eq 'disc') {
1443: $currentstring .= ' \renewcommand{\labelitemi}{$\bullet$}
1444: \renewcommand{\labelitemii}{$\bullet$}
1445: \renewcommand{\labelitemiii}{$\bullet$}
1446: \renewcommand{\labelitemiv}{$\bullet$}';
1447: } elsif ($TeXtype eq 'circle') {
1448: $currentstring .= ' \renewcommand{\labelitemi}{$\circ$}
1449: \renewcommand{\labelitemii}{$\circ$}
1450: \renewcommand{\labelitemiii}{$\circ$}
1451: \renewcommand{\labelitemiv}{$\circ$}';
1452: } elsif ($TeXtype eq 'square') {
1453: $currentstring .= ' \renewcommand{\labelitemi}{$\diamond$}
1454: \renewcommand{\labelitemii}{$\diamond$}
1455: \renewcommand{\labelitemiii}{$\diamond$}
1456: \renewcommand{\labelitemiv}{$\diamond$}';
1457: }
1458: $currentstring .= '\begin{itemize}';
1459: }
1460: return $currentstring;
1461: }
1462:
1463: sub end_ul {
1464: my ($target,$token) = @_;
1465: my $currentstring = '';
1466: if ($target eq 'web') {
1467: $currentstring = $token->[2];
1468: } elsif ($target eq 'tex') {
1469: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}
1470: \renewcommand{\labelitemii}{$\bullet$}
1471: \renewcommand{\labelitemiii}{$\bullet$}
1472: \renewcommand{\labelitemiv}{$\bullet$}';
1473: }
1474: return $currentstring;
1475: }
1476:
1477: #-- <menu> tag
1478: sub start_menu {
1479: my ($target,$token) = @_;
1480: my $currentstring = '';
1481: if ($target eq 'web') {
1482: $currentstring = $token->[4];
1483: } elsif ($target eq 'tex') {
1484: $currentstring = " \\begin{itemize} ";
1485: }
1486: return $currentstring;
1487: }
1488:
1489: sub end_menu {
1490: my ($target,$token) = @_;
1491: my $currentstring = '';
1492: if ($target eq 'web') {
1493: $currentstring = $token->[2];
1494: } elsif ($target eq 'tex') {
1495: $currentstring = " \\end{itemize}";
1496: }
1497: return $currentstring;
1498: }
1499:
1500: #-- <dir> tag
1501: sub start_dir {
1502: my ($target,$token) = @_;
1503: my $currentstring = '';
1504: if ($target eq 'web') {
1505: $currentstring = $token->[4];
1506: } elsif ($target eq 'tex') {
1507: $currentstring = " \\begin{itemize} ";
1508: }
1509: return $currentstring;
1510: }
1511:
1512: sub end_dir {
1513: my ($target,$token) = @_;
1514: my $currentstring = '';
1515: if ($target eq 'web') {
1516: $currentstring = $token->[2];
1517: } elsif ($target eq 'tex') {
1518: $currentstring = " \\end{itemize}";
1519: }
1520: return $currentstring;
1521: }
1522:
1523: #-- <ol> tag
1524: sub start_ol {
1525: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1526: my $currentstring = '';
1527: if ($target eq 'web') {
1528: $currentstring = $token->[4];
1529: } elsif ($target eq 'tex') {
1530: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1531: if ($type eq '1') {
1532: $currentstring .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}
1533: \renewcommand{\labelenumii}{\arabic{enumii}.}
1534: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1535: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1536: } elsif ($type eq 'A') {
1537: $currentstring .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
1538: \renewcommand{\labelenumii}{\Alph{enumii}.}
1539: \renewcommand{\labelenumiii}{\Alph{enumiii}.}
1540: \renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1541: } elsif ($type eq 'a') {
1542: $currentstring .= ' \renewcommand{\labelenumi}{\alph{enumi}.}
1543: \renewcommand{\labelenumii}{\alph{enumii}.}
1544: \renewcommand{\labelenumiii}{\alph{enumiii}.}
1545: \renewcommand{\labelenumiv}{\alph{enumiv}.} ';
1546: } elsif ($type eq 'i') {
1547: $currentstring .= ' \renewcommand{\labelenumi}{\roman{enumi}.}
1548: \renewcommand{\labelenumii}{\roman{enumii}.}
1549: \renewcommand{\labelenumiii}{\roman{enumiii}.}
1550: \renewcommand{\labelenumiv}{\roman{enumiv}.} ';
1551: } elsif ($type eq 'I') {
1552: $currentstring .= ' \renewcommand{\labelenumi}{\Roman{enumi}.}
1553: \renewcommand{\labelenumii}{\Roman{enumii}.}
1554: \renewcommand{\labelenumiii}{\Roman{enumiii}.}
1555: \renewcommand{\labelenumiv}{\Roman{enumiv}.} ';
1556: }
1557: $currentstring .= '\begin{enumerate}';
1558: }
1559: return $currentstring;
1560: }
1561:
1562: sub end_ol {
1563: my ($target,$token) = @_;
1564: my $currentstring = '';
1565: if ($target eq 'web') {
1566: $currentstring = $token->[2];
1567: } elsif ($target eq 'tex') {
1568: $currentstring = '\end{enumerate} \renewcommand{\labelenumi}{\arabic{enumi}.}
1569: \renewcommand{\labelenumii}{\arabic{enumii}.}
1570: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1571: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1572: }
1573: return $currentstring;
1574: }
1575:
1576: #-- <dl> tag
1577: sub start_dl {
1578: my ($target,$token) = @_;
1579: my $currentstring = '';
1580: if ($target eq 'web') {
1581: $currentstring = $token->[4];
1582: } elsif ($target eq 'tex') {
1583: $currentstring = '\begin{description}';
1584: }
1585: return $currentstring;
1586: }
1587:
1588: sub end_dl {
1589: my ($target,$token) = @_;
1590: my $currentstring = '';
1591: if ($target eq 'web') {
1592: $currentstring = $token->[2];
1593: } elsif ($target eq 'tex') {
1594: $currentstring = '\end{description}';
1595: }
1596: return $currentstring;
1597: }
1598:
1599: #-- <dt> tag
1600: sub start_dt {
1601: my ($target,$token) = @_;
1602: my $currentstring = '';
1603: if ($target eq 'web') {
1604: $currentstring = $token->[4];
1605: } elsif ($target eq 'tex') {
1606: $currentstring = '\item[';
1607: }
1608: return $currentstring;
1609: }
1610:
1611: sub end_dt {
1612: my ($target,$token) = @_;
1613: my $currentstring = '';
1614: if ($target eq 'web') {
1615: $currentstring = $token->[2];
1616: } elsif ($target eq 'tex') {
1617: $currentstring = ']';
1618: }
1619: return $currentstring;
1620: }
1621:
1622: #-- <dd> tag
1623: sub start_dd {
1624: my ($target,$token) = @_;
1625: my $currentstring = '';
1626: if ($target eq 'web') {
1627: $currentstring = $token->[4];
1628: }
1629: return $currentstring;
1630: }
1631:
1632: sub end_dd {
1633: my ($target,$token) = @_;
1634: my $currentstring = '';
1635: if ($target eq 'web') {
1636: $currentstring = $token->[2];
1637: }
1638: return $currentstring;
1639: }
1640:
1641: #-- <table> tag
1642: sub start_table {
1643: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1644: my $textwidth='';
1645: if (not defined @Apache::londefdef::table) {
1646: $textwidth=&recalc($ENV{'form.textwidth'});
1647: $textwidth=~/(\d+\.?\d*)/;
1648: $textwidth=0.95*$1;
1649: } else {
1650: $textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1651: }
1652: my $currentstring = '';
1653: if ($target eq 'web') {
1654: $currentstring = $token->[4];
1655: } elsif ($target eq 'tex') {
1656: my $aa = {};
1657: push @Apache::londefdef::table, $aa;
1658: $Apache::londefdef::table[-1]{'row_number'} = -1;
1659: #table's width
1660: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1661: if (not defined $TeXwidth) {
1662: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
1663: if ($htmlwidth=~/%/) {
1664: $htmlwidth=~/(\d+)/;
1665: my $value=$1*$textwidth/100;
1666: $Apache::londefdef::table[-1]{'width'}=$value;
1667: } else {
1668: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1669: }
1670: } elsif ($TeXwidth=~/%/) {
1671: $TeXwidth=~/(\d+)/;
1672: my $value=$1*$textwidth/100;
1673: $Apache::londefdef::table[-1]{'width'}=$value;
1674: } else {
1675: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1676: }
1677: #table's border
1678: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
1679: unless (defined $border) { $border = 0; }
1680: if ($border) {
1681: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1682: $Apache::londefdef::table[-1]{'vinc'} = '&';
1683: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1684: } else {
1685: $Apache::londefdef::table[-1]{'hinc'} = '';
1686: $Apache::londefdef::table[-1]{'vinc'} = '&';
1687: $Apache::londefdef::table[-1]{'vvinc'} = '';
1688: }
1689: $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
1690: $currentstring = '\keephidden{NEW TABLE ENTRY}';
1691: }
1692: return $currentstring;
1693: }
1694:
1695: sub end_table {
1696: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1697: my $currentstring = '';
1698: if ($target eq 'web') {
1699: $currentstring = $token->[2];
1700: } elsif ($target eq 'tex') {
1701: my $inmemory = '';
1702: my $output = '';
1703: #construct header of the table
1704: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1705: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
1706: $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
1707: }
1708: $header_of_table .= '}';
1709: #define the length of the table cells
1710: #always starts with TeXwidth (if defined everything else is ignored)
1711: my @length_row_final = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[0]);
1712: for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1713: my @length_row = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[$in]);
1714: for (my $jn=0;$jn<=$#length_row;$jn++) {
1715: if ($length_row_final[$jn]<$length_row[$jn]) {$length_row_final[$jn]=$length_row[$jn];}
1716: }
1717: }
1718: #continues trying estimate the width of raw data
1719: my @length_raw_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
1720: for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1721: my @length_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[$in]);
1722: for (my $jn=0;$jn<=$#length_row;$jn++) {
1723: if ($length_raw_row[$jn]<$length_row[$jn]) {$length_raw_row[$jn]=$length_row[$jn];}
1724: }
1725: }
1726: #comparing of TeXwidth and raw data width
1727: my $available_length=$Apache::londefdef::table[-1]{'width'};
1728: my $needed=0;
1729: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1730: if ($length_row_final[$jn]!=0) {
1731: $available_length=$available_length-$length_row_final[$jn];
1732: $needed++;
1733: }
1734: }
1735: $needed=$#length_row_final-$needed+1;
1736: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1737: if ($length_row_final[$jn]==0) {
1738: if ($length_raw_row[$jn]<$available_length/3) {
1739: $length_row_final[$jn]=$length_raw_row[$jn];
1740: $available_length=$available_length-$length_raw_row[$jn];
1741: $needed--;
1742: }
1743: }
1744: }
1745: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1746: if ($length_row_final[$jn]==0) {
1747: $length_row_final[$jn]=0.9*$available_length/$needed;
1748: }
1749: }
1750: #fill the table
1751: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1752: for (my $jn=0;$jn<=$#length_row_final;$jn++) {
1753: my $substituted=$length_row_final[$jn];
1754: $Apache::londefdef::table[-1]{'rowdata'}[$in]=~s/TOBECHANGEDONNUMBER/$substituted mm/;
1755: }
1756: $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
1757: chop $output;
1758: $output .= ' \\\\ ';
1759: }
1760: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
1761: if ($#Apache::londefdef::table > 0) {
1762: my $inmemory = $Apache::londefdef::table[-1]{'output'};
1763: pop @Apache::londefdef::table;
1764: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1765: } else {
1766: $currentstring .= $Apache::londefdef::table[-1]{'output'};
1767: pop @Apache::londefdef::table;
1768: undef @Apache::londefdef::table;
1769: }
1770: }
1771: return $currentstring;
1772: }
1773:
1774: #-- <tr> tag
1775: sub start_tr {
1776: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1777: my $currentstring = '';
1778: if ($target eq 'web') {
1779: $currentstring = $token->[4];
1780: } elsif ($target eq 'tex') {
1781: $Apache::londefdef::table[-1]{'row_number'}++;
1782: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1783: if ($alignchar ne '') {
1784: push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
1785: } else {
1786: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
1787: }
1788: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1789: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1790: $Apache::londefdef::table[-1]{'TeXlength'} = '';
1791: $Apache::londefdef::table[-1]{'length'} = '';
1792: }
1793: return $currentstring;
1794: }
1795:
1796: sub end_tr {
1797: my ($target,$token) = @_;
1798: my $currentstring = '';
1799: if ($target eq 'web') {
1800: $currentstring = $token->[2];
1801: } elsif ($target eq 'tex') {
1802: push @{ $Apache::londefdef::table[-1]{'TeXlengthrow'} },$Apache::londefdef::table[-1]{'TeXlength'};
1803: push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
1804: }
1805: return $currentstring;
1806: }
1807:
1808: #-- <td> tag
1809: sub start_td {
1810: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1811: my $currentstring = '';
1812: if ($target eq 'web') {
1813: $currentstring = $token->[4];
1814: } elsif ($target eq 'tex') {
1815: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1816: if ($what_to_push eq '') {
1817: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1818: }
1819: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1820: $Apache::londefdef::table[-1]{'counter_columns'}++;
1821: &Apache::lonxml::startredirection();
1822: }
1823: return $currentstring;
1824: }
1825:
1826: sub end_td {
1827: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1828: my $currentstring = '';
1829: if ($target eq 'web') {
1830: $currentstring = $token->[2];
1831: } elsif ($target eq 'tex') {
1832: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1833: my $data=&Apache::lonxml::endredirection();
1834: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1835: if (defined $TeXwidth) {
1836: my $current_length=&recalc($TeXwidth);
1837: $current_length=~/(\d+)/;
1838: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1839: $Apache::londefdef::table[-1]{'length'} .= '0,';
1840: } else {
1841: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
1842: my $current_length=&recalc($1);
1843: $current_length=~/(\d+\.?\d*)/;
1844: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1845: $Apache::londefdef::table[-1]{'length'} .= '0,';
1846: } else {
1847: $data=~/^\s*(\S.*)/;
1848: $data=$1;
1849: $data=~/(.*\S)\s*$/;
1850: $data=$1;
1851: my $current_length=2*length($data);
1852: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
1853: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
1854: }
1855: }
1856: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
1857: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
1858: }
1859: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1860: }
1861: return $currentstring;
1862: }
1863:
1864: #-- <th> tag
1865: sub start_th {
1866: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1867: my $currentstring = '';
1868: if ($target eq 'web') {
1869: $currentstring = $token->[4];
1870: } elsif ($target eq 'tex') {
1871: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
1872: if ($what_to_push eq '') {
1873: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1874: }
1875: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1876: $Apache::londefdef::table[-1]{'counter_columns'}++;
1877: &Apache::lonxml::startredirection();
1878: }
1879: return $currentstring;
1880: }
1881:
1882: sub end_th {
1883: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1884: my $currentstring = '';
1885: if ($target eq 'web') {
1886: $currentstring = $token->[2];
1887: } elsif ($target eq 'tex') {
1888: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1889: my $data=&Apache::lonxml::endredirection();
1890: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1891: if (defined $TeXwidth) {
1892: my $current_length=&recalc($TeXwidth);
1893: $current_length=~/(\d+)/;
1894: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1895: $Apache::londefdef::table[-1]{'length'} .= '0,';
1896: } else {
1897: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
1898: my $current_length=&recalc($1);
1899: $current_length=~/(\d+)/;
1900: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
1901: $Apache::londefdef::table[-1]{'length'} .= '0,';
1902: } else {
1903: $data=~/^\s*(\S.*)/;
1904: $data=$1;
1905: $data=~/(.*\S)\s*$/;
1906: $data=$1;
1907: my $current_length=2*length($data);
1908: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
1909: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
1910: }
1911: }
1912: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
1913: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
1914: }
1915: $data='\textbf{'.$data.'}';
1916: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1917: }
1918: return $currentstring;
1919: }
1920: #-- <img> tag
1921: sub start_img {
1922: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1923: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
1924: undef,1);
1925: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
1926: my $currentstring = '';
1927: my $width_param = '';
1928: my $height_param = '';
1929: my $scaling = .3;
1930:
1931: if ($target eq 'web') {
1932: if ($ENV{'browser.imagesuppress'} ne 'on') {
1933: $currentstring = $token->[4];
1934: } else {
1935: my $alttag= &Apache::lonxml::get_param
1936: ('alt',$parstack,$safeeval,undef,1);
1937: unless ($alttag) {
1938: $alttag=&Apache::lonmeta::alttag
1939: ($Apache::lonxml::pwd[-1],$src);
1940: }
1941: $currentstring='[IMAGE: '.$alttag.']';
1942: }
1943: } elsif ($target eq 'tex') {
1944: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1945: &image_replication($src);
1946:
1947: #if original gif/jpg/png file exist do following:
1948: if (-e $src) {
1949: #defines the default size of image
1950: my $image = Image::Magick->new;
1951: my $current_figure = $image->Read($src);
1952: $width_param = $image->Get('width') * $scaling;;
1953: $height_param = $image->Get('height') * $scaling;;
1954: undef $image;
1955: #do we have any specified size of the picture?
1956: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
1957: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
1958: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1959: undef,1);
1960: if ($TeXwidth ne '') {
1961: if ($TeXwidth=~/(\d+)\s*\%/) {
1962: $width_param = $1*$ENV{'form.textwidth'}/100;
1963: } else {
1964: $width_param = $TeXwidth;
1965: }
1966: } elsif ($TeXheight ne '') {
1967: $width_param = $TeXheight/$height_param*$width_param;
1968: } elsif ($width ne '') {
1969: $width_param = $width*$scaling;
1970: }
1971: my $file;
1972: my $path;
1973: if ($src =~ m!(.*)/([^/]*)$!) {
1974: $file = $2;
1975: $path = $1.'/';
1976: }
1977: my $newsrc = $src;
1978: $newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
1979: $file=~s/\.(gif|jpg|png)$/.eps/i;
1980: #where can we find the picture?
1981: if (-e $newsrc) {
1982: #eps counterpart for image exist
1983: if ($path) {
1984: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1985: }
1986: } else {
1987: #there is no eps counterpart for image - check for ps one
1988: $newsrc =~ s/\.eps$/\.ps/;
1989: if (-e $newsrc) {
1990: #ps counterpart for image exist
1991: $file =~ s/\.eps$/\.ps/;
1992: if ($path) {
1993: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1994: }
1995: } else {
1996: #there aren't eps or ps - so create eps
1997: my $temp_file;
1998: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
1999: $temp_file = Apache::File->new('>>'.$filename);
2000: print $temp_file "$src\n";
2001: $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2002: }
2003: }
2004: } else {
2005: #original image file doesn't exist so check the alt attribute
2006: my $alt =
2007: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2008: unless ($alt) {
2009: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2010: }
2011:
2012: if ($alt) {
2013: $currentstring .= ' '.$alt.' ';
2014: } else {
2015: #<allow> tag will care about replication
2016: }
2017: }
2018: }
2019: return $currentstring;
2020: }
2021:
2022: sub end_img {
2023: my ($target,$token) = @_;
2024: my $currentstring = '';
2025: if ($target eq 'web') {
2026: $currentstring = $token->[2];
2027: } elsif ($target eq 'tex') {
2028: $currentstring = '';
2029: }
2030: return $currentstring;
2031: }
2032:
2033: #-- <applet> tag
2034: sub start_applet {
2035: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2036:
2037: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
2038: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
2039:
2040: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2041: undef,1);
2042: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
2043:
2044: my $currentstring = '';
2045: if ($target eq 'web') {
2046: if ($ENV{'browser.appletsuppress'} ne 'on') {
2047: $currentstring = $token->[4];
2048: } else {
2049: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2050: $safeeval,undef,1);
2051: unless ($alttag) {
2052: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2053: $code);
2054: }
2055: $currentstring='[APPLET: '.$alttag.']';
2056: }
2057: } elsif ($target eq 'tex') {
2058: $currentstring = " \\begin{figure} ";
2059: }
2060: return $currentstring;
2061: }
2062:
2063: sub end_applet {
2064: my ($target,$token) = @_;
2065: my $currentstring = '';
2066: if ($target eq 'web') {
2067: $currentstring = $token->[2];
2068: } elsif ($target eq 'tex') {
2069: $currentstring = " \\end{figure}";
2070: }
2071: return $currentstring;
2072: }
2073:
2074: #-- <embed> tag
2075: sub start_embed {
2076: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2077: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2078: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2079: my $currentstring = '';
2080: if ($target eq 'web') {
2081: if ($ENV{'browser.embedsuppress'} ne 'on') {
2082: $currentstring = $token->[4];
2083: } else {
2084: my $alttag=&Apache::lonxml::get_param
2085: ('alt',$parstack,$safeeval,undef,1);
2086: unless ($alttag) {
2087: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2088: }
2089: $currentstring='[EMBED: '.$alttag.']';
2090: }
2091: } elsif ($target eq 'tex') {
2092: $currentstring = " \\begin{figure} ";
2093: }
2094: return $currentstring;
2095: }
2096:
2097: sub end_embed {
2098: my ($target,$token) = @_;
2099: my $currentstring = '';
2100: if ($target eq 'web') {
2101: $currentstring = $token->[2];
2102: } elsif ($target eq 'tex') {
2103: $currentstring = " \\end{figure}";
2104: }
2105: return $currentstring;
2106: }
2107:
2108: #-- <param> tag
2109: sub start_param {
2110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2111: if (&Apache::lonxml::get_param
2112: ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
2113: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2114: &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
2115: }
2116: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2117: &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2118: my $currentstring = '';
2119: if ($target eq 'web') {
2120: $currentstring = $token->[4];
2121: } elsif ($target eq 'tex') {
2122: $currentstring = " \\begin{figure} ";
2123: }
2124: return $currentstring;
2125: }
2126:
2127: sub end_param {
2128: my ($target,$token) = @_;
2129: my $currentstring = '';
2130: if ($target eq 'web') {
2131: $currentstring = $token->[2];
2132: } elsif ($target eq 'tex') {
2133: $currentstring = " \\end{figure}";
2134: }
2135: return $currentstring;
2136: }
2137:
2138: #-- <allow> tag
2139: sub start_allow {
2140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2141: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2142: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
2143: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2144: &Apache::lonnet::clutter($src);
2145: &image_replication($src);
2146: my $result;
2147: if ($target eq 'edit') {
2148: $result .=&Apache::edit::tag_start($target,$token);
2149: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
2150: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
2151: } elsif ($target eq 'modified') {
2152: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2153: $safeeval,'src');
2154: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2155: }
2156: return $result;
2157: }
2158:
2159: sub end_allow {
2160: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2161: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
2162: return '';
2163: }
2164:
2165: #-- Frames
2166: sub start_frameset {
2167: my ($target,$token) = @_;
2168: my $currentstring = '';
2169: if ($target eq 'web') {
2170: if (!$Apache::lonxml::registered) {
2171: $currentstring.='<head>'.
2172: &Apache::lonmenu::registerurl(undef,$target).'</head>';
2173: }
2174: my $onLoad='';
2175: foreach my $key (keys(%{$token->[2]})) {
2176: if ($key =~ /^onload$/i) {
2177: $onLoad.=$token->[2]->{$key}.';';
2178: delete($token->[2]->{$key});
2179: }
2180: }
2181: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
2182: my $onUnload='';
2183: foreach my $key (keys(%{$token->[2]})) {
2184: if ($key =~ /^onunload$/i) {
2185: $onUnload.=$token->[2]->{$key}.';';
2186: delete($token->[2]->{$key});
2187: }
2188: }
2189: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
2190: ';'.$onUnload;
2191:
2192: $currentstring .= '<'.$token->[1];
2193: foreach (keys %{$token->[2]}) {
2194: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
2195: }
2196: $currentstring.='>';
2197: }
2198: return $currentstring;
2199: }
2200:
2201: sub end_frameset {
2202: my ($target,$token) = @_;
2203: my $currentstring = '';
2204: if ($target eq 'web') {
2205: $currentstring = $token->[2];
2206: }
2207: return $currentstring;
2208: }
2209:
2210: #-- <pre>
2211: sub start_pre {
2212: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2213: my $currentstring = '';
2214: if ($target eq 'web') {
2215: $currentstring .= $token->[4];
2216: } elsif ($target eq 'tex') {
2217: $currentstring .= '\begin{verbatim}';
2218: }
2219: return $currentstring;
2220: }
2221:
2222: sub end_pre {
2223: my ($target,$token) = @_;
2224: my $currentstring = '';
2225: if ($target eq 'web') {
2226: $currentstring .= $token->[2];
2227: } elsif ($target eq 'tex') {
2228: $currentstring .= '\end{verbatim}';
2229: }
2230: return $currentstring;
2231: }
2232:
2233: #-- <insert>
2234: sub start_insert {
2235: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2236: my $currentstring = '';
2237: if ($target eq 'web') {
2238: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2239: $currentstring .= '<b>'.$display.'</b>';;
2240: }
2241: return $currentstring;
2242: }
2243:
2244: sub end_insert {
2245: my ($target,$token) = @_;
2246: my $currentstring = '';
2247: if ($target eq 'web') {
2248: $currentstring .= '';
2249: }
2250: return $currentstring;
2251: }
2252:
2253: #-- <externallink>
2254: sub start_externallink {
2255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2256: my $currentstring = '';
2257: if ($target eq 'web') {
2258: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2259: $currentstring .= '<b>'.$display.'</b>';;
2260: }
2261: return $currentstring;
2262: }
2263:
2264: sub end_externallink {
2265: my ($target,$token) = @_;
2266: my $currentstring = '';
2267: if ($target eq 'web') {
2268: $currentstring .= '';
2269: }
2270: return $currentstring;
2271: }
2272:
2273: #-- <blankspace heigth="">
2274: sub start_blankspace {
2275: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2276: my $currentstring = '';
2277: if ($target eq 'tex') {
2278: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
2279: $currentstring .= '\vskip '.$howmuch.' ';
2280: }
2281: return $currentstring;
2282: }
2283:
2284: sub end_blankspace {
2285: my ($target,$token) = @_;
2286: my $currentstring = '';
2287: if ($target eq 'tex') {
2288: $currentstring .= '';
2289: }
2290: return $currentstring;
2291: }
2292:
2293: #-- <abbr> tag
2294: sub start_abbr {
2295: my ($target,$token) = @_;
2296: my $currentstring = '';
2297: if ($target eq 'web') {
2298: $currentstring = $token->[4];
2299: }
2300: return $currentstring;
2301: }
2302:
2303: sub end_abbr {
2304: my ($target,$token) = @_;
2305: my $currentstring = '';
2306: if ($target eq 'web') {
2307: $currentstring = $token->[2];
2308: }
2309: return $currentstring;
2310: }
2311:
2312: #-- <acronym> tag
2313: sub start_acronym {
2314: my ($target,$token) = @_;
2315: my $currentstring = '';
2316: if ($target eq 'web') {
2317: $currentstring = $token->[4];
2318: }
2319: return $currentstring;
2320: }
2321:
2322: sub end_acronym {
2323: my ($target,$token) = @_;
2324: my $currentstring = '';
2325: if ($target eq 'web') {
2326: $currentstring = $token->[2];
2327: }
2328: return $currentstring;
2329: }
2330:
2331: #-- <area> tag
2332: sub start_area {
2333: my ($target,$token) = @_;
2334: my $currentstring = '';
2335: if ($target eq 'web') {
2336: $currentstring = $token->[4];
2337: }
2338: return $currentstring;
2339: }
2340:
2341: sub end_area {
2342: my ($target,$token) = @_;
2343: my $currentstring = '';
2344: if ($target eq 'web') {
2345: $currentstring = $token->[2];
2346: }
2347: return $currentstring;
2348: }
2349:
2350: #-- <base> tag
2351: sub start_base {
2352: my ($target,$token) = @_;
2353: my $currentstring = '';
2354: if ($target eq 'web') {
2355: $currentstring = $token->[4];
2356: }
2357: return $currentstring;
2358: }
2359:
2360: sub end_base {
2361: my ($target,$token) = @_;
2362: my $currentstring = '';
2363: if ($target eq 'web') {
2364: $currentstring = $token->[2];
2365: }
2366: return $currentstring;
2367: }
2368:
2369: #-- <bdo> tag
2370: sub start_bdo {
2371: my ($target,$token) = @_;
2372: my $currentstring = '';
2373: if ($target eq 'web') {
2374: $currentstring = $token->[4];
2375: }
2376: return $currentstring;
2377: }
2378:
2379: sub end_bdo {
2380: my ($target,$token) = @_;
2381: my $currentstring = '';
2382: if ($target eq 'web') {
2383: $currentstring = $token->[2];
2384: }
2385: return $currentstring;
2386: }
2387:
2388: #-- <bgsound> tag
2389: sub start_bgsound {
2390: my ($target,$token) = @_;
2391: my $currentstring = '';
2392: if ($target eq 'web') {
2393: $currentstring = $token->[4];
2394: }
2395: return $currentstring;
2396: }
2397:
2398: sub end_bgsound {
2399: my ($target,$token) = @_;
2400: my $currentstring = '';
2401: if ($target eq 'web') {
2402: $currentstring = $token->[2];
2403: }
2404: return $currentstring;
2405: }
2406:
2407: #-- <blink> tag
2408: sub start_blink {
2409: my ($target,$token) = @_;
2410: my $currentstring = '';
2411: if ($target eq 'web') {
2412: $currentstring = $token->[4];
2413: }
2414: return $currentstring;
2415: }
2416:
2417: sub end_blink {
2418: my ($target,$token) = @_;
2419: my $currentstring = '';
2420: if ($target eq 'web') {
2421: $currentstring = $token->[2];
2422: }
2423: return $currentstring;
2424: }
2425:
2426: #-- <blockquote> tag
2427: sub start_blockquote {
2428: my ($target,$token) = @_;
2429: my $currentstring = '';
2430: if ($target eq 'web') {
2431: $currentstring = $token->[4];
2432: }
2433: return $currentstring;
2434: }
2435:
2436: sub end_blockquote {
2437: my ($target,$token) = @_;
2438: my $currentstring = '';
2439: if ($target eq 'web') {
2440: $currentstring = $token->[2];
2441: }
2442: return $currentstring;
2443: }
2444:
2445: #-- <button> tag
2446: sub start_button {
2447: my ($target,$token) = @_;
2448: my $currentstring = '';
2449: if ($target eq 'web') {
2450: $currentstring = $token->[4];
2451: }
2452: return $currentstring;
2453: }
2454:
2455: sub end_button {
2456: my ($target,$token) = @_;
2457: my $currentstring = '';
2458: if ($target eq 'web') {
2459: $currentstring = $token->[2];
2460: }
2461: return $currentstring;
2462: }
2463:
2464: #-- <caption> tag
2465: sub start_caption {
2466: my ($target,$token) = @_;
2467: my $currentstring = '';
2468: if ($target eq 'web') {
2469: $currentstring = $token->[4];
2470: }
2471: return $currentstring;
2472: }
2473:
2474: sub end_caption {
2475: my ($target,$token) = @_;
2476: my $currentstring = '';
2477: if ($target eq 'web') {
2478: $currentstring = $token->[2];
2479: }
2480: return $currentstring;
2481: }
2482:
2483: #-- <col> tag
2484: sub start_col {
2485: my ($target,$token) = @_;
2486: my $currentstring = '';
2487: if ($target eq 'web') {
2488: $currentstring = $token->[4];
2489: }
2490: return $currentstring;
2491: }
2492:
2493: sub end_col {
2494: my ($target,$token) = @_;
2495: my $currentstring = '';
2496: if ($target eq 'web') {
2497: $currentstring = $token->[2];
2498: }
2499: return $currentstring;
2500: }
2501:
2502: #-- <colgroup> tag
2503: sub start_colgroup {
2504: my ($target,$token) = @_;
2505: my $currentstring = '';
2506: if ($target eq 'web') {
2507: $currentstring = $token->[4];
2508: }
2509: return $currentstring;
2510: }
2511:
2512: sub end_colgroup {
2513: my ($target,$token) = @_;
2514: my $currentstring = '';
2515: if ($target eq 'web') {
2516: $currentstring = $token->[2];
2517: }
2518: return $currentstring;
2519: }
2520:
2521: #-- <del> tag
2522: sub start_del {
2523: my ($target,$token) = @_;
2524: my $currentstring = '';
2525: if ($target eq 'web') {
2526: $currentstring = $token->[4];
2527: }
2528: return $currentstring;
2529: }
2530:
2531: sub end_del {
2532: my ($target,$token) = @_;
2533: my $currentstring = '';
2534: if ($target eq 'web') {
2535: $currentstring = $token->[2];
2536: }
2537: return $currentstring;
2538: }
2539:
2540: #-- <fieldset> tag
2541: sub start_fieldset {
2542: my ($target,$token) = @_;
2543: my $currentstring = '';
2544: if ($target eq 'web') {
2545: $currentstring = $token->[4];
2546: }
2547: return $currentstring;
2548: }
2549:
2550: sub end_fieldset {
2551: my ($target,$token) = @_;
2552: my $currentstring = '';
2553: if ($target eq 'web') {
2554: $currentstring = $token->[2];
2555: }
2556: return $currentstring;
2557: }
2558:
2559: #-- <frame> tag
2560: sub start_frame {
2561: my ($target,$token) = @_;
2562: my $currentstring = '';
2563: if ($target eq 'web') {
2564: $currentstring = $token->[4];
2565: }
2566: return $currentstring;
2567: }
2568:
2569: sub end_frame {
2570: my ($target,$token) = @_;
2571: my $currentstring = '';
2572: if ($target eq 'web') {
2573: $currentstring = $token->[2];
2574: }
2575: return $currentstring;
2576: }
2577:
2578: #-- <iframe> tag
2579: sub start_iframe {
2580: my ($target,$token) = @_;
2581: my $currentstring = '';
2582: if ($target eq 'web') {
2583: $currentstring = $token->[4];
2584: }
2585: return $currentstring;
2586: }
2587:
2588: sub end_iframe {
2589: my ($target,$token) = @_;
2590: my $currentstring = '';
2591: if ($target eq 'web') {
2592: $currentstring = $token->[2];
2593: }
2594: return $currentstring;
2595: }
2596:
2597: #-- <ins> tag
2598: sub start_ins {
2599: my ($target,$token) = @_;
2600: my $currentstring = '';
2601: if ($target eq 'web') {
2602: $currentstring = $token->[4];
2603: }
2604: return $currentstring;
2605: }
2606:
2607: sub end_ins {
2608: my ($target,$token) = @_;
2609: my $currentstring = '';
2610: if ($target eq 'web') {
2611: $currentstring = $token->[2];
2612: }
2613: return $currentstring;
2614: }
2615:
2616: #-- <isindex> tag
2617: sub start_isindex {
2618: my ($target,$token) = @_;
2619: my $currentstring = '';
2620: if ($target eq 'web') {
2621: $currentstring = $token->[4];
2622: }
2623: return $currentstring;
2624: }
2625:
2626: sub end_isindex {
2627: my ($target,$token) = @_;
2628: my $currentstring = '';
2629: if ($target eq 'web') {
2630: $currentstring = $token->[2];
2631: }
2632: return $currentstring;
2633: }
2634:
2635: #-- <keygen> tag
2636: sub start_keygen {
2637: my ($target,$token) = @_;
2638: my $currentstring = '';
2639: if ($target eq 'web') {
2640: $currentstring = $token->[4];
2641: }
2642: return $currentstring;
2643: }
2644:
2645: sub end_keygen {
2646: my ($target,$token) = @_;
2647: my $currentstring = '';
2648: if ($target eq 'web') {
2649: $currentstring = $token->[2];
2650: }
2651: return $currentstring;
2652: }
2653:
2654: #-- <label> tag
2655: sub start_label {
2656: my ($target,$token) = @_;
2657: my $currentstring = '';
2658: if ($target eq 'web') {
2659: $currentstring = $token->[4];
2660: }
2661: return $currentstring;
2662: }
2663:
2664: sub end_label {
2665: my ($target,$token) = @_;
2666: my $currentstring = '';
2667: if ($target eq 'web') {
2668: $currentstring = $token->[2];
2669: }
2670: return $currentstring;
2671: }
2672:
2673: #-- <layer> tag
2674: sub start_layer {
2675: my ($target,$token) = @_;
2676: my $currentstring = '';
2677: if ($target eq 'web') {
2678: $currentstring = $token->[4];
2679: }
2680: return $currentstring;
2681: }
2682:
2683: sub end_layer {
2684: my ($target,$token) = @_;
2685: my $currentstring = '';
2686: if ($target eq 'web') {
2687: $currentstring = $token->[2];
2688: }
2689: return $currentstring;
2690: }
2691:
2692: #-- <legend> tag
2693: sub start_legend {
2694: my ($target,$token) = @_;
2695: my $currentstring = '';
2696: if ($target eq 'web') {
2697: $currentstring = $token->[4];
2698: }
2699: return $currentstring;
2700: }
2701:
2702: sub end_legend {
2703: my ($target,$token) = @_;
2704: my $currentstring = '';
2705: if ($target eq 'web') {
2706: $currentstring = $token->[2];
2707: }
2708: return $currentstring;
2709: }
2710:
2711: #-- <link> tag
2712: sub start_link {
2713: my ($target,$token) = @_;
2714: my $currentstring = '';
2715: if ($target eq 'web') {
2716: $currentstring = $token->[4];
2717: }
2718: return $currentstring;
2719: }
2720:
2721: sub end_link {
2722: my ($target,$token) = @_;
2723: my $currentstring = '';
2724: if ($target eq 'web') {
2725: $currentstring = $token->[2];
2726: }
2727: return $currentstring;
2728: }
2729:
2730: #-- <marquee> tag
2731: sub start_marquee {
2732: my ($target,$token) = @_;
2733: my $currentstring = '';
2734: if ($target eq 'web') {
2735: $currentstring = $token->[4];
2736: }
2737: return $currentstring;
2738: }
2739:
2740: sub end_marquee {
2741: my ($target,$token) = @_;
2742: my $currentstring = '';
2743: if ($target eq 'web') {
2744: $currentstring = $token->[2];
2745: }
2746: return $currentstring;
2747: }
2748:
2749: #-- <malticol> tag
2750: sub start_malticol {
2751: my ($target,$token) = @_;
2752: my $currentstring = '';
2753: if ($target eq 'web') {
2754: $currentstring = $token->[4];
2755: }
2756: return $currentstring;
2757: }
2758:
2759: sub end_malticol {
2760: my ($target,$token) = @_;
2761: my $currentstring = '';
2762: if ($target eq 'web') {
2763: $currentstring = $token->[2];
2764: }
2765: return $currentstring;
2766: }
2767:
2768: #-- <nobr> tag
2769: sub start_nobr {
2770: my ($target,$token) = @_;
2771: my $currentstring = '';
2772: if ($target eq 'web') {
2773: $currentstring = $token->[4];
2774: }
2775: return $currentstring;
2776: }
2777:
2778: sub end_nobr {
2779: my ($target,$token) = @_;
2780: my $currentstring = '';
2781: if ($target eq 'web') {
2782: $currentstring = $token->[2];
2783: }
2784: return $currentstring;
2785: }
2786:
2787: #-- <noembed> tag
2788: sub start_noembed {
2789: my ($target,$token) = @_;
2790: my $currentstring = '';
2791: if ($target eq 'web') {
2792: $currentstring = $token->[4];
2793: }
2794: return $currentstring;
2795: }
2796:
2797: sub end_noembed {
2798: my ($target,$token) = @_;
2799: my $currentstring = '';
2800: if ($target eq 'web') {
2801: $currentstring = $token->[2];
2802: }
2803: return $currentstring;
2804: }
2805:
2806: #-- <noframes> tag
2807: sub start_noframes {
2808: my ($target,$token) = @_;
2809: my $currentstring = '';
2810: if ($target eq 'web') {
2811: $currentstring = $token->[4];
2812: }
2813: return $currentstring;
2814: }
2815:
2816: sub end_noframes {
2817: my ($target,$token) = @_;
2818: my $currentstring = '';
2819: if ($target eq 'web') {
2820: $currentstring = $token->[2];
2821: }
2822: return $currentstring;
2823: }
2824:
2825: #-- <nolayer> tag
2826: sub start_nolayer {
2827: my ($target,$token) = @_;
2828: my $currentstring = '';
2829: if ($target eq 'web') {
2830: $currentstring = $token->[4];
2831: }
2832: return $currentstring;
2833: }
2834:
2835: sub end_nolayer {
2836: my ($target,$token) = @_;
2837: my $currentstring = '';
2838: if ($target eq 'web') {
2839: $currentstring = $token->[2];
2840: }
2841: return $currentstring;
2842: }
2843:
2844: #-- <noscript> tag
2845: sub start_noscript {
2846: my ($target,$token) = @_;
2847: my $currentstring = '';
2848: if ($target eq 'web') {
2849: $currentstring = $token->[4];
2850: }
2851: return $currentstring;
2852: }
2853:
2854: sub end_noscript {
2855: my ($target,$token) = @_;
2856: my $currentstring = '';
2857: if ($target eq 'web') {
2858: $currentstring = $token->[2];
2859: }
2860: return $currentstring;
2861: }
2862:
2863: #-- <object> tag
2864: sub start_object {
2865: my ($target,$token) = @_;
2866: my $currentstring = '';
2867: if ($target eq 'web') {
2868: $currentstring = $token->[4];
2869: }
2870: return $currentstring;
2871: }
2872:
2873: sub end_object {
2874: my ($target,$token) = @_;
2875: my $currentstring = '';
2876: if ($target eq 'web') {
2877: $currentstring = $token->[2];
2878: }
2879: return $currentstring;
2880: }
2881:
2882: #-- <optgroup> tag
2883: sub start_optgroup {
2884: my ($target,$token) = @_;
2885: my $currentstring = '';
2886: if ($target eq 'web') {
2887: $currentstring = $token->[4];
2888: }
2889: return $currentstring;
2890: }
2891:
2892: sub end_optgroup {
2893: my ($target,$token) = @_;
2894: my $currentstring = '';
2895: if ($target eq 'web') {
2896: $currentstring = $token->[2];
2897: }
2898: return $currentstring;
2899: }
2900:
2901: #-- <samp> tag
2902: sub start_samp {
2903: my ($target,$token) = @_;
2904: my $currentstring = '';
2905: if ($target eq 'web') {
2906: $currentstring = $token->[4];
2907: }
2908: return $currentstring;
2909: }
2910:
2911: sub end_samp {
2912: my ($target,$token) = @_;
2913: my $currentstring = '';
2914: if ($target eq 'web') {
2915: $currentstring = $token->[2];
2916: }
2917: return $currentstring;
2918: }
2919:
2920: #-- <server> tag
2921: sub start_server {
2922: my ($target,$token) = @_;
2923: my $currentstring = '';
2924: if ($target eq 'web') {
2925: $currentstring = $token->[4];
2926: }
2927: return $currentstring;
2928: }
2929:
2930: sub end_server {
2931: my ($target,$token) = @_;
2932: my $currentstring = '';
2933: if ($target eq 'web') {
2934: $currentstring = $token->[2];
2935: }
2936: return $currentstring;
2937: }
2938:
2939: #-- <spacer> tag
2940: sub start_spacer {
2941: my ($target,$token) = @_;
2942: my $currentstring = '';
2943: if ($target eq 'web') {
2944: $currentstring = $token->[4];
2945: }
2946: return $currentstring;
2947: }
2948:
2949: sub end_spacer {
2950: my ($target,$token) = @_;
2951: my $currentstring = '';
2952: if ($target eq 'web') {
2953: $currentstring = $token->[2];
2954: }
2955: return $currentstring;
2956: }
2957:
2958: #-- <span> tag
2959: sub start_span {
2960: my ($target,$token) = @_;
2961: my $currentstring = '';
2962: if ($target eq 'web') {
2963: $currentstring = $token->[4];
2964: }
2965: return $currentstring;
2966: }
2967:
2968: sub end_span {
2969: my ($target,$token) = @_;
2970: my $currentstring = '';
2971: if ($target eq 'web') {
2972: $currentstring = $token->[2];
2973: }
2974: return $currentstring;
2975: }
2976:
2977: #-- <tbody> tag
2978: sub start_tbody {
2979: my ($target,$token) = @_;
2980: my $currentstring = '';
2981: if ($target eq 'web') {
2982: $currentstring = $token->[4];
2983: }
2984: return $currentstring;
2985: }
2986:
2987: sub end_tbody {
2988: my ($target,$token) = @_;
2989: my $currentstring = '';
2990: if ($target eq 'web') {
2991: $currentstring = $token->[2];
2992: }
2993: return $currentstring;
2994: }
2995:
2996: #-- <tfoot> tag
2997: sub start_tfoot {
2998: my ($target,$token) = @_;
2999: my $currentstring = '';
3000: if ($target eq 'web') {
3001: $currentstring = $token->[4];
3002: }
3003: return $currentstring;
3004: }
3005:
3006: sub end_tfoot {
3007: my ($target,$token) = @_;
3008: my $currentstring = '';
3009: if ($target eq 'web') {
3010: $currentstring = $token->[2];
3011: }
3012: return $currentstring;
3013: }
3014:
3015: #-- <thead> tag
3016: sub start_thead {
3017: my ($target,$token) = @_;
3018: my $currentstring = '';
3019: if ($target eq 'web') {
3020: $currentstring = $token->[4];
3021: }
3022: return $currentstring;
3023: }
3024:
3025: sub end_thead {
3026: my ($target,$token) = @_;
3027: my $currentstring = '';
3028: if ($target eq 'web') {
3029: $currentstring = $token->[2];
3030: }
3031: return $currentstring;
3032: }
3033:
3034: #-- <var> tag
3035: sub start_var {
3036: my ($target,$token) = @_;
3037: my $currentstring = '';
3038: if ($target eq 'web') {
3039: $currentstring = $token->[4];
3040: }
3041: return $currentstring;
3042: }
3043:
3044: sub end_var {
3045: my ($target,$token) = @_;
3046: my $currentstring = '';
3047: if ($target eq 'web') {
3048: $currentstring = $token->[2];
3049: }
3050: return $currentstring;
3051: }
3052:
3053: #-- <wbr> tag
3054: sub start_wbr {
3055: my ($target,$token) = @_;
3056: my $currentstring = '';
3057: if ($target eq 'web') {
3058: $currentstring = $token->[4];
3059: }
3060: return $currentstring;
3061: }
3062:
3063: sub end_wbr {
3064: my ($target,$token) = @_;
3065: my $currentstring = '';
3066: if ($target eq 'web') {
3067: $currentstring = $token->[2];
3068: }
3069: return $currentstring;
3070: }
3071:
3072:
3073: #-- <hideweboutput> tag
3074: sub start_hideweboutput {
3075: my ($target,$token) = @_;
3076: if ($target eq 'web') {
3077: &Apache::lonxml::startredirection();
3078: }
3079: return '';
3080: }
3081:
3082: sub end_hideweboutput {
3083: my ($target,$token) = @_;
3084: my $currentstring = '';
3085: if ($target eq 'web') {
3086: $currentstring = &Apache::lonxml::endredirection();
3087: }
3088: return '';
3089: }
3090:
3091:
3092: sub image_replication {
3093: my $src = shift;
3094: if (not -e $src) {
3095: #replicates image itself
3096: &Apache::lonnet::repcopy($src);
3097: #replicates eps or ps
3098: my $newsrc = $src;
3099: $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
3100: if (not -e $newsrc) {
3101: if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
3102: $newsrc =~ s/\.eps$/\.ps/;
3103: &Apache::lonnet::repcopy($newsrc);
3104: }
3105: }
3106: }
3107: return '';
3108: }
3109:
3110: sub recalc {
3111: my $argument = shift;
3112: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
3113: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
3114: my $value=$1;
3115: my $units=$2;
3116: if ($units eq 'cm') {
3117: $value*=10;
3118: } elsif ($units eq 'in') {
3119: $value*=25.4;
3120: } elsif ($units eq 'pc') {
3121: $value*=(25.4*12/72.27);
3122: } elsif ($units eq 'pt') {
3123: $value*=(25.4/72.27);
3124: }
3125: return $value.' mm';
3126: }
3127:
3128: 1;
3129: __END__
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