1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # $Id: londefdef.pm,v 1.80 2002/07/31 14:55:56 sakharuk Exp $
5: #
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
30: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
31: # binary executable programs or libraries distributed by the
32: # Michigan State University (the "Licensee"), but any binaries so
33: # distributed are hereby licensed only for use in the context
34: # of a program or computational system for which the Licensee is the
35: # primary author or distributor, and which performs substantial
36: # additional tasks beyond the translation of (La)TeX into HTML.
37: # The C source of the Code may not be distributed by the Licensee
38: # to any other parties under any circumstances.
39: #
40: #
41: # last modified 06/26/00 by Alexander Sakharuk
42: # 11/6,11/30,02/01/01,5/4 Gerd Kortemeyer
43: # 01/18 Alex Sakharuk
44:
45: package Apache::londefdef;
46:
47: use Apache::lonnet;
48: use strict;
49: use Apache::lonxml;
50: use Apache::File();
51: use Image::Magick;
52:
53: BEGIN {
54:
55: &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','select','option','input','textarea','form','meta','title','body','center','b','strong','dt','h1','h2','h3','h4','h5','h6','cite','i','address','dd','dl','dir','ol','ul','menu','dfn','kbd','tt','code','em','q','p','br','big','small','basefont','font','s','sub','strike','sup','hr','a','li','u','output','param','applet','img','embed','allow','frameset','pre','insert','externallink','table','tr','th','td','blankspace','bubble','bubbles','bubbleline'));
56:
57: }
58:
59: #======================= TAG SUBROUTINES =====================
60: #-- <output>
61: sub start_output {
62: my ($target) = @_;
63: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
64: return '';
65: }
66: sub end_output {
67: my ($target) = @_;
68: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
69: return '';
70: }
71: #-- <m> tag
72: sub start_m {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
74: my $currentstring = '';
75: if ($target eq 'web') {
76: $Apache::lonxml::prevent_entity_encode++;
77: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
78: $inside ='\\documentstyle{article}'.$inside;
79: &Apache::lonxml::debug("M is starting with:$inside:");
80: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
81: if ($eval eq 'on') {
82: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
83: #&Apache::lonxml::debug("M is evaulated to:$inside:");
84: }
85: $currentstring = &Apache::lontexconvert::converted(\$inside);
86: if ($Apache::lontexconvert::errorstring) {
87: &Apache::lonxml::warning("tth error: ".
88: $Apache::lontexconvert::errorstring);
89: $Apache::lontexconvert::errorstring='';
90: }
91: #&Apache::lonxml::debug("M is ends with:$currentstring:");
92: } elsif ($target eq 'tex') {
93: $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
94: if ($currentstring=~/\s*\\\\\s*/) {$currentstring = ' \vskip 0 mm ';}
95: } else {
96: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
97: }
98: return $currentstring;
99: }
100: sub end_m {
101: my ($target,$token) = @_;
102: my $currentstring = '';
103: if ($target eq 'web') {
104: $Apache::lonxml::prevent_entity_encode--;
105: } elsif ($target eq 'tex') {
106: $currentstring = "";
107: } elsif ($target eq 'meta') {
108: }
109: return $currentstring;
110: }
111: #-- <html> tag
112: sub start_html {
113: my ($target,$token) = @_;
114: my $currentstring = '';
115: if ($ENV{'browser.mathml'}) {
116: &tth::ttminit();
117: } else {
118: &tth::tthinit();
119: }
120: if ($target eq 'web') {
121: $currentstring = &Apache::lonxml::xmlbegin().
122: &Apache::lonxml::fontsettings();
123: } elsif ($target eq 'tex') {
124: @Apache::londefdef::table = ();
125: $currentstring .= '\documentclass[letterpaper]{article}
126: \newcommand{\keephidden}[1]{}
127: \renewcommand{\deg}{$^{\circ}$}
128: \usepackage[dvips]{graphicx}
129: \usepackage{epsfig}\usepackage{calc}';
130: }
131: return $currentstring;
132: }
133: sub end_html {
134: my ($target,$token) = @_;
135: my $currentstring = '';
136: if ($target eq 'web') {
137: $currentstring = &Apache::lonxml::xmlend();
138: }
139: return $currentstring;
140: }
141: #-- <head> tag
142: sub start_head {
143: my ($target,$token) = @_;
144: my $currentstring = '';
145: if ($target eq 'web') {
146: $currentstring = $token->[4];
147: }
148: return $currentstring;
149: }
150: sub end_head {
151: my ($target,$token) = @_;
152: my $currentstring = '';
153: if ($target eq 'web') {
154: $currentstring = &Apache::lonxml::registerurl(undef,$target).
155: $token->[2];
156: }
157: return $currentstring;
158: }
159: #-- <map> tag
160: sub start_map {
161: my ($target,$token) = @_;
162: my $currentstring = '';
163: if ($target eq 'web') {
164: $currentstring = $token->[4];
165: }
166: return $currentstring;
167: }
168: sub end_map {
169: my ($target,$token) = @_;
170: my $currentstring = '';
171: if ($target eq 'web') {
172: $currentstring = $token->[2];
173: }
174: return $currentstring;
175: }
176: #-- <select> tag
177: sub start_select {
178: my ($target,$token) = @_;
179: my $currentstring = '';
180: if ($target eq 'web') {
181: $currentstring = $token->[4];
182: }
183: return $currentstring;
184: }
185: sub end_select {
186: my ($target,$token) = @_;
187: my $currentstring = '';
188: if ($target eq 'web') {
189: $currentstring = $token->[2];
190: }
191: return $currentstring;
192: }
193: #-- <option> tag
194: sub start_option {
195: my ($target,$token) = @_;
196: my $currentstring = '';
197: if ($target eq 'web') {
198: $currentstring = $token->[4];
199: }
200: return $currentstring;
201: }
202: sub end_option {
203: my ($target,$token) = @_;
204: my $currentstring = '';
205: if ($target eq 'web') {
206: $currentstring = $token->[2];
207: }
208: return $currentstring;
209: }
210: #-- <input> tag
211: sub start_input {
212: my ($target,$token) = @_;
213: my $currentstring = '';
214: if ($target eq 'web') {
215: $currentstring = $token->[4];
216: }
217: return $currentstring;
218: }
219: sub end_input {
220: my ($target,$token) = @_;
221: my $currentstring = '';
222: if ($target eq 'web') {
223: $currentstring = $token->[2];
224: }
225: return $currentstring;
226: }
227: #-- <textarea> tag
228: sub start_textarea {
229: my ($target,$token) = @_;
230: my $currentstring = '';
231: if ($target eq 'web') {
232: $currentstring = $token->[4];
233: }
234: return $currentstring;
235: }
236: sub end_textarea {
237: my ($target,$token) = @_;
238: my $currentstring = '';
239: if ($target eq 'web') {
240: $currentstring = $token->[2];
241: }
242: return $currentstring;
243: }
244: #-- <form> tag
245: sub start_form {
246: my ($target,$token) = @_;
247: my $currentstring = '';
248: if ($target eq 'web') {
249: $currentstring = $token->[4];
250: }
251: return $currentstring;
252: }
253: sub end_form {
254: my ($target,$token) = @_;
255: my $currentstring = '';
256: if ($target eq 'web') {
257: $currentstring = $token->[2];
258: }
259: return $currentstring;
260: }
261: #-- <title> tag
262: sub start_title {
263: my ($target,$token) = @_;
264: my $currentstring = '';
265: if ($target eq 'web') {
266: $currentstring = $token->[4];
267: } elsif ($target eq 'tex') {
268: $currentstring .= '\keephidden{'
269: }
270: if ($target eq 'meta') {
271: $currentstring='<title>';
272: &start_output();
273: }
274: return $currentstring;
275: }
276: sub end_title {
277: my ($target,$token) = @_;
278: my $currentstring = '';
279: if ($target eq 'web') {
280: $currentstring = $token->[2];
281: } elsif ($target eq 'tex') {
282: $currentstring .= '}';
283: }
284: if ($target eq 'meta') {
285: &end_output();
286: $currentstring='</title>';
287: }
288: return $currentstring;
289: }
290: #-- <meta> tag
291: sub start_meta {
292: my ($target,$token,$tagstack,$parstack,$parser) = @_;
293: my $currentstring = '';
294: if ($target eq 'web') {
295: my $args='';
296: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
297: if ($args eq '') {
298: &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]);
299: } else {
300: $currentstring = $token->[4];
301: }
302: }
303: if ($target eq 'meta') {
304: unless ($token->[2]->{'http-equiv'}) {
305: my $name=$token->[2]->{'name'};
306: $name=~tr/A-Z/a-z/;
307: $name=~s/\s/\_/g;
308: if ($name) {
309: $currentstring='<'.$name.'>'.
310: $token->[2]->{'content'}.
311: '</'.$name.'>';
312: }
313: }
314: }
315: return $currentstring;
316: }
317: sub end_meta {
318: my ($target,$token,$tagstack,$parstack,$parser) = @_;
319: my $currentstring = '';
320: if ($target eq 'web') {
321: my $args='';
322: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
323: if ($args ne '') {
324: $currentstring = $token->[4];
325: }
326: }
327: return $currentstring;
328: }
329: #-- <body> tag
330: sub start_body {
331: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
332: # my ($target,$token) = @_;
333: my $currentstring = '';
334: if ($target eq 'web') {
335: if (!$Apache::lonxml::registered) {
336: $currentstring.='<head>'.
337: &Apache::lonxml::registerurl(undef,$target).'</head>';
338: }
339: my $onLoad='';
340: foreach my $key (keys(%{$token->[2]})) {
341: if ($key =~ /^onload$/i) {
342: $onLoad.=$token->[2]->{$key}.';';
343: delete($token->[2]->{$key});
344: }
345: }
346: $token->[2]->{'onLoad'}=&Apache::lonxml::loadevents().
347: ';'.$onLoad;
348: my $onUnload='';
349: foreach my $key (keys(%{$token->[2]})) {
350: if ($key =~ /^onunload$/i) {
351: $onUnload.=$token->[2]->{$key}.';';
352: delete($token->[2]->{$key});
353: }
354: }
355: $token->[2]->{'onUnload'}=&Apache::lonxml::unloadevents().
356: ';'.$onUnload;
357:
358: $currentstring .= '<'.$token->[1];
359: foreach (keys %{$token->[2]}) {
360: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
361: }
362: $currentstring.='>';
363: if ($ENV{'request.state'} ne 'published') {
364: $currentstring.=(<<EDITBUTTON);
365: <form method="post">
366: <input type="submit" name="editmode" value="Edit" />
367: </form>
368: EDITBUTTON
369: }
370: } elsif ($target eq 'tex') {
371: $currentstring = '\begin{document}';
372: }
373: return $currentstring;
374: }
375: sub end_body {
376: my ($target,$token) = @_;
377: my $currentstring = '';
378: if ($target eq 'web') {
379: $currentstring = $token->[2];
380: } elsif ($target eq 'tex') {
381: $currentstring = '\end{document}';
382: }
383: return $currentstring;
384: }
385: #-- <center> tag
386: sub start_center {
387: my ($target,$token) = @_;
388: my $currentstring = '';
389: if ($target eq 'web') {
390: $currentstring = $token->[4];
391: } elsif ($target eq 'tex') {
392: $currentstring = '\begin{center}';
393: } elsif ($target eq 'latexsource') {
394: $currentstring = '\begin{center}';
395: }
396: return $currentstring;
397: }
398: sub end_center {
399: my ($target,$token) = @_;
400: my $currentstring = '';
401: if ($target eq 'web') {
402: $currentstring = $token->[2];
403: } elsif ($target eq 'tex') {
404: $currentstring = '\end{center}';
405: } elsif ($target eq 'latexsource') {
406: $currentstring = '\end{center}';
407: }
408: return $currentstring;
409: }
410: #-- <b> tag
411: sub start_b {
412: my ($target,$token) = @_;
413: my $currentstring = '';
414: if ($target eq 'web') {
415: $currentstring = $token->[4];
416: } elsif ($target eq 'tex') {
417: $currentstring = '\textbf{';
418: } elsif ($target eq 'latexsource') {
419: $currentstring = '\textbf{';
420: }
421: return $currentstring;
422: }
423: sub end_b {
424: my ($target,$token) = @_;
425: my $currentstring = '';
426: if ($target eq 'web') {
427: $currentstring = $token->[2];
428: } elsif ($target eq 'tex') {
429: $currentstring = '}';
430:
431: } elsif ($target eq 'latexsource') {
432: $currentstring = '}';
433: }
434: return $currentstring;
435: }
436: #-- <strong> tag
437: sub start_strong {
438: my ($target,$token) = @_;
439: my $currentstring = '';
440: if ($target eq 'web') {
441: $currentstring = $token->[4];
442: } elsif ($target eq 'tex') {
443: $currentstring = '\textbf{';
444: } elsif ($target eq 'latexsource') {
445: $currentstring = '\textbf{';
446: }
447: return $currentstring;
448: }
449: sub end_strong {
450: my ($target,$token) = @_;
451: my $currentstring = '';
452: if ($target eq 'web') {
453:
454: $currentstring = $token->[2];
455: } elsif ($target eq 'tex') {
456: $currentstring = '}';
457: } elsif ($target eq 'latexsource') {
458: $currentstring = '}';
459: }
460: return $currentstring;
461: }
462: #-- <h1> tag
463: sub start_h1 {
464: my ($target,$token) = @_;
465: my $currentstring = '';
466: if ($target eq 'web') {
467: $currentstring .= $token->[4];
468: } elsif ($target eq 'tex') {
469: $currentstring .= '\large{\textbf{';
470: } elsif ($target eq 'meta') {
471: $currentstring='<subject>';
472: &start_output();
473: }
474: return $currentstring;
475: }
476: sub end_h1 {
477: my ($target,$token) = @_;
478: my $currentstring = '';
479: if ($target eq 'web') {
480: $currentstring .= $token->[2];
481: } elsif ($target eq 'tex') {
482: $currentstring .= '}}';
483: } elsif ($target eq 'meta') {
484: &end_output();
485: $currentstring='</subject>';
486: }
487: return $currentstring;
488: }
489: #-- <h2> tag
490: sub start_h2 {
491: my ($target,$token) = @_;
492: my $currentstring = '';
493: if ($target eq 'web') {
494: $currentstring .= $token->[4];
495: } elsif ($target eq 'tex') {
496: $currentstring .= '\large{\textbf{';
497: }
498: return $currentstring;
499: }
500: sub end_h2 {
501: my ($target,$token) = @_;
502: my $currentstring = '';
503: if ($target eq 'web') {
504: $currentstring .= $token->[2];
505: } elsif ($target eq 'tex') {
506: $currentstring .= '}}';
507: }
508: return $currentstring;
509: }
510: #-- <h3> tag
511: sub start_h3 {
512: my ($target,$token) = @_;
513: my $currentstring = '';
514: if ($target eq 'web') {
515: $currentstring .= $token->[4];
516: } elsif ($target eq 'tex') {
517: $currentstring .= '\large{\textbf{';
518: }
519: return $currentstring;
520: }
521: sub end_h3 {
522: my ($target,$token) = @_;
523: my $currentstring = '';
524: if ($target eq 'web') {
525: $currentstring .= $token->[2];
526: } elsif ($target eq 'tex') {
527: $currentstring .= '}}';
528: }
529: return $currentstring;
530: }
531: #-- <h4> tag
532: sub start_h4 {
533: my ($target,$token) = @_;
534: my $currentstring = '';
535: if ($target eq 'web') {
536: $currentstring .= $token->[4];
537: } elsif ($target eq 'tex') {
538: $currentstring .= '\large{\textbf{';
539: }
540: return $currentstring;
541: }
542: sub end_h4 {
543: my ($target,$token) = @_;
544: my $currentstring = '';
545: if ($target eq 'web') {
546: $currentstring .= $token->[2];
547: } elsif ($target eq 'tex') {
548: $currentstring .= '}}';
549: }
550: return $currentstring;
551: }
552: #-- <h5> tag
553: sub start_h5 {
554: my ($target,$token) = @_;
555: my $currentstring = '';
556: if ($target eq 'web') {
557: $currentstring .= $token->[4];
558: } elsif ($target eq 'tex') {
559: $currentstring .= '\large{\textbf{';
560: }
561: return $currentstring;
562: }
563: sub end_h5 {
564: my ($target,$token) = @_;
565: my $currentstring = '';
566: if ($target eq 'web') {
567: $currentstring .= $token->[2];
568: } elsif ($target eq 'tex') {
569: $currentstring .= '}}';
570: }
571: return $currentstring;
572: }
573: #-- <h6> tag
574: sub start_h6 {
575: my ($target,$token) = @_;
576: my $currentstring = '';
577: if ($target eq 'web') {
578: $currentstring .= $token->[4];
579: } elsif ($target eq 'tex') {
580: $currentstring .= '\large{\textbf{';
581: }
582: return $currentstring;
583: }
584: sub end_h6 {
585: my ($target,$token) = @_;
586: my $currentstring = '';
587: if ($target eq 'web') {
588: $currentstring .= $token->[2];
589: } elsif ($target eq 'tex') {
590: $currentstring .= '}}';
591: }
592: return $currentstring;
593: }
594: #--- <cite> tag
595: sub start_cite {
596: my ($target,$token) = @_;
597: my $currentstring = '';
598: if ($target eq 'web') {
599: $currentstring .= $token->[4];
600: } elsif ($target eq 'tex') {
601: $currentstring .= "\\textit{";
602: } elsif ($target eq 'latexsource') {
603: $currentstring .= "\\textit{";
604: }
605: return $currentstring;
606: }
607: sub end_cite {
608: my ($target,$token) = @_;
609: my $currentstring = '';
610: if ($target eq 'web') {
611: $currentstring .= $token->[2];
612: } elsif ($target eq 'tex') {
613: $currentstring .= "}";
614: } elsif ($target eq 'latexsource') {
615: $currentstring .= "}";
616: }
617: return $currentstring;
618: }
619: #-- <i> tag
620: sub start_i {
621: my ($target,$token) = @_;
622: my $currentstring = '';
623: if ($target eq 'web') {
624: $currentstring .= $token->[4];
625: } elsif ($target eq 'tex') {
626: $currentstring .= '\textit{';
627: } elsif ($target eq 'latexsource') {
628: $currentstring .= '\textit{';
629: }
630: return $currentstring;
631: }
632: sub end_i {
633: my ($target,$token) = @_;
634: my $currentstring = '';
635: if ($target eq 'web') {
636: $currentstring .= $token->[2];
637: } elsif ($target eq 'tex') {
638: $currentstring .= '}';
639: } elsif ($target eq 'latexsource') {
640: $currentstring .= '}';
641: }
642: return $currentstring;
643: }
644: #-- <address> tag
645: sub start_address {
646: my ($target,$token) = @_;
647: my $currentstring = '';
648: if ($target eq 'web') {
649: $currentstring .= $token->[4];
650: } elsif ($target eq 'tex') {
651: $currentstring .= "\\textit{";
652: } elsif ($target eq 'latexsource') {
653: $currentstring .= "\\textit{";
654: }
655: return $currentstring;
656: }
657: sub end_address {
658: my ($target,$token) = @_;
659: my $currentstring = '';
660: if ($target eq 'web') {
661: $currentstring .= $token->[2];
662: } elsif ($target eq 'tex') {
663: $currentstring .= "}";
664: } elsif ($target eq 'latexsource') {
665: $currentstring .= "}";
666: }
667: return $currentstring;
668: }
669: #-- <dfn> tag
670: sub start_dfn {
671: my ($target,$token) = @_;
672: my $currentstring = '';
673: if ($target eq 'web') {
674: $currentstring .= $token->[4];
675: } elsif ($target eq 'tex') {
676: $currentstring .= "\\textit{";
677: } elsif ($target eq 'latexsource') {
678: $currentstring .= "\\textit{";
679: }
680: return $currentstring;
681: }
682: sub end_dfn {
683: my ($target,$token) = @_;
684: my $currentstring = '';
685: if ($target eq 'web') {
686: $currentstring .= $token->[2];
687: } elsif ($target eq 'tex') {
688: $currentstring .= "}";
689: } elsif ($target eq 'latexsource') {
690: $currentstring .= "}";
691: }
692: return $currentstring;
693: }
694: #-- <tt> tag
695: sub start_tt {
696: my ($target,$token) = @_;
697: my $currentstring = '';
698: if ($target eq 'web') {
699: $currentstring .= $token->[4];
700: } elsif ($target eq 'tex') {
701: $currentstring .= '\texttt{';
702: } elsif ($target eq 'latexsource') {
703: $currentstring .= '\texttt{';
704: }
705: return $currentstring;
706: }
707: sub end_tt {
708: my ($target,$token) = @_;
709: my $currentstring = '';
710: if ($target eq 'web') {
711: $currentstring .= $token->[2];
712: } elsif ($target eq 'tex') {
713: $currentstring .= '}';
714: } elsif ($target eq 'latexsource') {
715: $currentstring .= '}';
716: }
717: return $currentstring;
718: }
719: #-- <kbd> tag
720: sub start_kbd {
721: my ($target,$token) = @_;
722: my $currentstring = '';
723: if ($target eq 'web') {
724: $currentstring .= $token->[4];
725: } elsif ($target eq 'tex') {
726: $currentstring .= "\\texttt";
727: } elsif ($target eq 'latexsource') {
728: $currentstring .= "\\texttt{";
729: }
730: return $currentstring;
731: }
732: sub end_kbd {
733: my ($target,$token) = @_;
734: my $currentstring = '';
735: if ($target eq 'web') {
736: $currentstring .= $token->[2];
737: } elsif ($target eq 'tex') {
738: $currentstring .= "}";
739: } elsif ($target eq 'latexsource') {
740: $currentstring .= "}";
741: }
742: return $currentstring;
743: }
744: #-- <code> tag
745: sub start_code {
746: my ($target,$token) = @_;
747: my $currentstring = '';
748: if ($target eq 'web') {
749: $currentstring .= $token->[4];
750: } elsif ($target eq 'tex') {
751: $currentstring .= '\texttt{';
752: }
753: return $currentstring;
754: }
755: sub end_code {
756: my ($target,$token) = @_;
757: my $currentstring = '';
758: if ($target eq 'web') {
759: $currentstring .= $token->[2];
760: } elsif ($target eq 'tex') {
761: $currentstring .= '}';
762: }
763: return $currentstring;
764: }
765: #-- <em> tag
766: sub start_em {
767: my ($target,$token) = @_;
768: my $currentstring = '';
769: if ($target eq 'web') {
770: $currentstring .= $token->[4];
771: } elsif ($target eq 'tex') {
772: $currentstring .= '\emph{';
773: } elsif ($target eq 'latexsource') {
774: $currentstring .= '\emph{';
775: }
776: return $currentstring;
777: }
778: sub end_em {
779: my ($target,$token) = @_;
780: my $currentstring = '';
781: if ($target eq 'web') {
782: $currentstring .= $token->[2];
783: } elsif ($target eq 'tex') {
784: $currentstring .= '}';
785: } elsif ($target eq 'latexsource') {
786: $currentstring .= '}';
787: }
788: return $currentstring;
789: }
790: #-- <q> tag
791: sub start_q {
792: my ($target,$token) = @_;
793: my $currentstring = '';
794: if ($target eq 'web') {
795: $currentstring .= $token->[4];
796: } elsif ($target eq 'tex') {
797: $currentstring .= "\\emph{";
798: } elsif ($target eq 'latexsource') {
799: $currentstring .= "\\emph{";
800: }
801: return $currentstring;
802: }
803: sub end_q {
804: my ($target,$token) = @_;
805: my $currentstring = '';
806: if ($target eq 'web') {
807: $currentstring .= $token->[2];
808: } elsif ($target eq 'tex') {
809: $currentstring .= "}";
810: } elsif ($target eq 'latexsource') {
811: $currentstring .= "}";
812: }
813: return $currentstring;
814: }
815: #-- <p> tag
816: sub start_p {
817: my ($target,$token) = @_;
818: my $currentstring = '';
819: if ($target eq 'web') {
820: $currentstring .= $token->[4];
821: } elsif ($target eq 'tex') {
822: $currentstring .= '{\par ';
823: } elsif ($target eq 'latexsource') {
824: $currentstring .= '{\par ';
825: }
826: return $currentstring;
827: }
828: sub end_p {
829: my ($target,$token) = @_;
830: my $currentstring = '';
831: if ($target eq 'web') {
832: $currentstring .= $token->[2];
833: } elsif ($target eq 'tex') {
834: $currentstring .= '}';
835: } elsif ($target eq 'latexsource') {
836: $currentstring .= '}';
837: }
838: return $currentstring;
839: }
840: #-- <br> tag
841: sub start_br {
842: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
843: my $currentstring = '';
844: if ($target eq 'web') {
845: $currentstring .= $token->[4];
846: } elsif ($target eq 'tex') {
847: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
848: $currentstring .= '\vskip 0 mm';
849: }
850: } elsif ($target eq 'latexsource') {
851: $currentstring .= '\\';
852: }
853: return $currentstring;
854: }
855: sub end_br {
856: my ($target,$token) = @_;
857: my $currentstring = '';
858: if ($target eq 'web') {
859: $currentstring .= $token->[2];
860: }
861: return $currentstring;
862: }
863: #-- <big> tag
864: sub start_big {
865: my ($target,$token) = @_;
866: my $currentstring = '';
867: if ($target eq 'web') {
868: $currentstring .= $token->[4];
869: } elsif ($target eq 'tex') {
870: $currentstring .= '\large{';
871: } elsif ($target eq 'latexsource') {
872: $currentstring .= '{\Large ';
873: }
874: return $currentstring;
875: }
876: sub end_big {
877: my ($target,$token) = @_;
878: my $currentstring = '';
879: if ($target eq 'web') {
880: $currentstring .= $token->[2];
881: } elsif ($target eq 'tex') {
882: $currentstring .= '}';
883: } elsif ($target eq 'latexsource') {
884: $currentstring .= '}';
885: }
886: return $currentstring;
887: }
888: #-- <small> tag
889: sub start_small {
890: my ($target,$token) = @_;
891: my $currentstring = '';
892: if ($target eq 'web') {
893: $currentstring .= $token->[4];
894: } elsif ($target eq 'tex') {
895: $currentstring .= '{\footnotesize ';
896: } elsif ($target eq 'latexsource') {
897: $currentstring .= '{\footnotesize ';
898: }
899: return $currentstring;
900: }
901: sub end_small {
902: my ($target,$token) = @_;
903: my $currentstring = '';
904: if ($target eq 'web') {
905: $currentstring .= $token->[2];
906: } elsif ($target eq 'tex') {
907: $currentstring .= '}';
908: } elsif ($target eq 'latexsource') {
909: $currentstring .= '}';
910: }
911: return $currentstring;
912: }
913: #-- <basefont> tag
914: sub start_basefont {
915: my ($target,$token) = @_;
916: my $currentstring = '';
917: if ($target eq 'web') {
918: $currentstring = $token->[4];
919: }
920: return $currentstring;
921: }
922: sub end_basefont {
923: my ($target,$token) = @_;
924: my $currentstring = '';
925: if ($target eq 'web') {
926: $currentstring = $token->[4];
927: }
928: return $currentstring;
929: }
930: #-- <font> tag
931: sub start_font {
932: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
933: my $currentstring = '';
934: if ($target eq 'web') {
935: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
936: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
937: $currentstring = $token->[4];
938: }
939: return $currentstring;
940: }
941: sub end_font {
942: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
943: my $currentstring = '';
944: if ($target eq 'web') {
945: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
946: if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
947: $currentstring = $token->[2];
948: }
949: return $currentstring;
950: }
951: #-- <strike> tag
952: sub start_strike {
953: my ($target,$token) = @_;
954: my $currentstring = '';
955: if ($target eq 'web') {
956: $currentstring .= $token->[4];
957: } elsif ($target eq 'tex') {
958: $currentstring .= '\underline{';
959: }
960: return $currentstring;
961: }
962: sub end_strike {
963: my ($target,$token) = @_;
964: my $currentstring = '';
965: if ($target eq 'web') {
966: $currentstring .= $token->[2];
967: } elsif ($target eq 'tex') {
968: $currentstring .= '}';
969: }
970: return $currentstring;
971: }
972: #-- <s> tag
973: sub start_s {
974: my ($target,$token) = @_;
975: my $currentstring = '';
976: if ($target eq 'web') {
977: $currentstring .= $token->[4];
978: } elsif ($target eq 'tex') {
979: $currentstring .= '\underline{';
980: }
981: return $currentstring;
982: }
983: sub end_s {
984: my ($target,$token) = @_;
985: my $currentstring = '';
986: if ($target eq 'web') {
987: $currentstring .= $token->[2];
988: } elsif ($target eq 'tex') {
989: $currentstring .= '}';
990: }
991: return $currentstring;
992: }
993: #-- <sub> tag
994: sub start_sub {
995: my ($target,$token) = @_;
996: my $currentstring = '';
997: if ($target eq 'web') {
998: $currentstring .= $token->[4];
999: } elsif ($target eq 'tex') {
1000: $currentstring .= "\$_{ ";
1001: }
1002: return $currentstring;
1003: }
1004: sub end_sub {
1005: my ($target,$token) = @_;
1006: my $currentstring = '';
1007: if ($target eq 'web') {
1008: $currentstring .= $token->[2];
1009: } elsif ($target eq 'tex') {
1010: $currentstring .= " }\$";
1011: }
1012: return $currentstring;
1013: }
1014: #-- <sup> tag
1015: sub start_sup {
1016: my ($target,$token) = @_;
1017: my $currentstring = '';
1018: if ($target eq 'web') {
1019: $currentstring .= $token->[4];
1020: } elsif ($target eq 'tex') {
1021: $currentstring .= "\$^{ ";
1022: }
1023: return $currentstring;
1024: }
1025: sub end_sup {
1026: my ($target,$token) = @_;
1027: my $currentstring = '';
1028: if ($target eq 'web') {
1029: $currentstring .= $token->[2];
1030: } elsif ($target eq 'tex') {
1031: $currentstring .= " }\$";
1032: }
1033: return $currentstring;
1034: }
1035: #-- <hr> tag
1036: sub start_hr {
1037: my ($target,$token) = @_;
1038: my $currentstring = '';
1039: if ($target eq 'web') {
1040: $currentstring .= $token->[4];
1041: } elsif ($target eq 'tex') {
1042: $currentstring .= '\vskip 0 mm \noindent\makebox[\textwidth - 8 mm][b]{\hrulefill}';
1043: }
1044: return $currentstring;
1045: }
1046: sub end_hr {
1047: my ($target,$token) = @_;
1048: my $currentstring = '';
1049: if ($target eq 'web') {
1050: $currentstring .= $token->[2];
1051: } elsif ($target eq 'tex') {
1052: }
1053: return $currentstring;
1054: }
1055: #-- <a> tag
1056: sub start_a {
1057: my ($target,$token) = @_;
1058: my $currentstring = '';
1059: if ($target eq 'web') {
1060: $currentstring .= $token->[4];
1061: } elsif ($target eq 'tex') {
1062: }
1063: return $currentstring;
1064: }
1065: sub end_a {
1066: my ($target,$token,$tagstack,$stackref) = @_;
1067: my $currentstring = '';
1068: if ($target eq 'web') {
1069: $currentstring .= $token->[2];
1070: } elsif ($target eq 'tex') {
1071: my $tempor_var = $stackref->[$#$stackref];
1072: if (index($tempor_var,'name') != -1 ) {
1073: $tempor_var =~ s/name=([^,]*),/$1/g;
1074: # $currentstring .= " \\label{$tempor_var}";
1075: } elsif (index($tempor_var,'href') != -1 ) {
1076: $tempor_var =~ s/href=([^,]*),/$1/g;
1077: $currentstring .= " \\ref{$tempor_var}";
1078: }
1079: }
1080: return $currentstring;
1081: }
1082: #-- <li> tag
1083: sub start_li {
1084: my ($target,$token,$tagstack,$stackref) = @_;
1085: my $currentstring = '';
1086: if ($target eq 'web') {
1087: $currentstring = $token->[4];
1088: } elsif ($target eq 'tex') {
1089: my $tempor_var = $stackref->[$#$stackref];
1090: if (index($tempor_var,'circle') != -1 ) {
1091: $currentstring .= " \\item[o] ";
1092: } elsif (index($tempor_var,'square') != -1 ) {
1093: $currentstring .= " \\item[$\Box$] ";
1094: } elsif ($tempor_var ne '') {
1095: $_ = $tempor_var;
1096: m/my\s*([^=]*)=/;
1097: $currentstring .= " \\item[$1] ";
1098: } else {
1099: $currentstring .= " \\item ";
1100: }
1101: }
1102: return $currentstring;
1103: }
1104: sub end_li {
1105: my ($target,$token) = @_;
1106: my $currentstring = '';
1107: if ($target eq 'web') {
1108: $currentstring = $token->[2];
1109: }
1110: return $currentstring;
1111: }
1112: #-- <u> tag
1113: sub start_u {
1114: my ($target,$token) = @_;
1115: my $currentstring = '';
1116: if ($target eq 'web') {
1117: $currentstring .= $token->[4];
1118: } elsif ($target eq 'tex') {
1119: $currentstring .= '\underline{';
1120: }
1121: return $currentstring;
1122: }
1123: sub end_u {
1124: my ($target,$token) = @_;
1125: my $currentstring = '';
1126: if ($target eq 'web') {
1127: $currentstring .= $token->[2];
1128: } elsif ($target eq 'tex') {
1129: $currentstring .= '}';
1130: }
1131: return $currentstring;
1132: }
1133: #-- <ul> tag
1134: sub start_ul {
1135: my ($target,$token) = @_;
1136: my $currentstring = '';
1137: if ($target eq 'web') {
1138: $currentstring = $token->[4];
1139: } elsif ($target eq 'tex') {
1140: $currentstring = '\begin{itemize}';
1141: }
1142: return $currentstring;
1143: }
1144: sub end_ul {
1145: my ($target,$token) = @_;
1146: my $currentstring = '';
1147: if ($target eq 'web') {
1148: $currentstring = $token->[2];
1149: } elsif ($target eq 'tex') {
1150: $currentstring = '\end{itemize}';
1151: }
1152: return $currentstring;
1153: }
1154: #-- <menu> tag
1155: sub start_menu {
1156: my ($target,$token) = @_;
1157: my $currentstring = '';
1158: if ($target eq 'web') {
1159: $currentstring = $token->[4];
1160: } elsif ($target eq 'tex') {
1161: $currentstring = " \\begin{itemize} ";
1162: }
1163: return $currentstring;
1164: }
1165: sub end_menu {
1166: my ($target,$token) = @_;
1167: my $currentstring = '';
1168: if ($target eq 'web') {
1169: $currentstring = $token->[2];
1170: } elsif ($target eq 'tex') {
1171: $currentstring = " \\end{itemize}";
1172: }
1173: return $currentstring;
1174: }
1175: #-- <dir> tag
1176: sub start_dir {
1177: my ($target,$token) = @_;
1178: my $currentstring = '';
1179: if ($target eq 'web') {
1180: $currentstring = $token->[4];
1181: } elsif ($target eq 'tex') {
1182: $currentstring = " \\begin{itemize} ";
1183: }
1184: return $currentstring;
1185: }
1186: sub end_dir {
1187: my ($target,$token) = @_;
1188: my $currentstring = '';
1189: if ($target eq 'web') {
1190: $currentstring = $token->[2];
1191: } elsif ($target eq 'tex') {
1192: $currentstring = " \\end{itemize}";
1193: }
1194: return $currentstring;
1195: }
1196: #-- <ol> tag
1197: sub start_ol {
1198: my ($target,$token) = @_;
1199: my $currentstring = '';
1200: if ($target eq 'web') {
1201: $currentstring = $token->[4];
1202: } elsif ($target eq 'tex') {
1203: $currentstring = '\begin{enumerate}';
1204: }
1205: return $currentstring;
1206: }
1207: sub end_ol {
1208: my ($target,$token) = @_;
1209: my $currentstring = '';
1210: if ($target eq 'web') {
1211: $currentstring = $token->[2];
1212: } elsif ($target eq 'tex') {
1213: $currentstring = '\end{enumerate}';
1214: }
1215: return $currentstring;
1216: }
1217: #-- <dl> tag
1218: sub start_dl {
1219: my ($target,$token) = @_;
1220: my $currentstring = '';
1221: if ($target eq 'web') {
1222: $currentstring = $token->[4];
1223: } elsif ($target eq 'tex') {
1224: $currentstring = '\begin{description}';
1225: }
1226: return $currentstring;
1227: }
1228: sub end_dl {
1229: my ($target,$token) = @_;
1230: my $currentstring = '';
1231: if ($target eq 'web') {
1232: $currentstring = $token->[2];
1233: } elsif ($target eq 'tex') {
1234: $currentstring = '\end{description}';
1235: }
1236: return $currentstring;
1237: }
1238: #-- <dt> tag
1239: sub start_dt {
1240: my ($target,$token) = @_;
1241: my $currentstring = '';
1242: if ($target eq 'web') {
1243: $currentstring = $token->[4];
1244: } elsif ($target eq 'tex') {
1245: $currentstring = '\item[';
1246: }
1247: return $currentstring;
1248: }
1249: sub end_dt {
1250: my ($target,$token) = @_;
1251: my $currentstring = '';
1252: if ($target eq 'web') {
1253: $currentstring = $token->[2];
1254: } elsif ($target eq 'tex') {
1255: $currentstring = ']';
1256: }
1257: return $currentstring;
1258: }
1259: #-- <dd> tag
1260: sub start_dd {
1261: my ($target,$token) = @_;
1262: my $currentstring = '';
1263: if ($target eq 'web') {
1264: $currentstring = $token->[4];
1265: }
1266: return $currentstring;
1267: }
1268: sub end_dd {
1269: my ($target,$token) = @_;
1270: my $currentstring = '';
1271: if ($target eq 'web') {
1272: $currentstring = $token->[2];
1273: }
1274: return $currentstring;
1275: }
1276: #-- <table> tag
1277: sub start_table {
1278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1279: my $currentstring = '';
1280: if ($target eq 'web') {
1281: $currentstring = $token->[4];
1282: } elsif ($target eq 'tex') {
1283: my $aa = {};
1284: push @Apache::londefdef::table, $aa;
1285: $Apache::londefdef::table[-1]{'row_number'} = -1;
1286: $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
1287: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
1288: unless (defined $border) { $border = 0; }
1289: if ($border) {
1290: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1291: $Apache::londefdef::table[-1]{'vinc'} = '&';
1292: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1293: } else {
1294: $Apache::londefdef::table[-1]{'hinc'} = '';
1295: $Apache::londefdef::table[-1]{'vinc'} = '&';
1296: $Apache::londefdef::table[-1]{'vvinc'} = '';
1297: }
1298: }
1299: return $currentstring;
1300: }
1301: sub end_table {
1302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1303: my $currentstring = '';
1304: if ($target eq 'web') {
1305: $currentstring = $token->[2];
1306: } elsif ($target eq 'tex') {
1307: my $inmemory = '';
1308: my $output = '';
1309: #construct header of the table
1310: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1311: my $in;
1312: for ($in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
1313: $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
1314: }
1315: $header_of_table .= '}';
1316: #fill the table
1317: for ($in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1318: $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
1319: chop $output;
1320: $output .= ' \\\\ ';
1321: }
1322: #define the length of the table cells
1323: my @lengthforoutput = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
1324: my $how_many_columns = $#lengthforoutput + 1;
1325: my $filled_columns = 0;
1326: foreach my $tempo_length (@{ $Apache::londefdef::table[-1]{'lengthrow'} }) {
1327: my @length = split(/,/,$tempo_length);
1328: for (my $ico=0;$ico<$how_many_columns;$ico++) {
1329: if (not $lengthforoutput[$ico]=~m/\s*0\s*/) {$filled_columns++;}
1330: }
1331: }
1332: my $temp_file;
1333: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.tbl";
1334: if (-e $filename) {
1335: $temp_file = Apache::File->new($filename);
1336: my @tbl_file_content = <$temp_file>;
1337: my ($one,$two) = split(/,/,$tbl_file_content[0]);
1338: $how_many_columns+=$one-1;
1339: $filled_columns+=$two;
1340: } else {
1341: $temp_file = Apache::File->new('>>'.$filename);
1342: }
1343: print $temp_file "$how_many_columns,$filled_columns\n";
1344: foreach my $tempo_length (@{ $Apache::londefdef::table[-1]{'lengthrow'} }) {
1345: my @length = split(/,/,$tempo_length);
1346: for (my $ico=0;$ico<=$#lengthforoutput;$ico++) {
1347: $lengthforoutput[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/;
1348: my $old_value = $1;
1349: my $old_unit = $2;
1350: if ($old_unit eq 'cm') {
1351: $old_value = $old_value * 10;
1352: } elsif ($old_unit eq 'in') {
1353: $old_value = $old_value * 25.4;
1354: } elsif ($old_unit eq 'pt') {
1355: $old_value = $old_value * 25.4/72.27;
1356: } elsif ($old_unit eq 'pc') {
1357: $old_value = $old_value * 25.4/6.022;
1358: }
1359: $old_unit = 'mm';
1360: $length[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/;
1361: my $new_value = $1;
1362: my $new_unit = $2;
1363: if ($new_unit eq 'cm') {
1364: $new_value = $new_value * 10;
1365: } elsif ($old_unit eq 'in') {
1366: $new_value = $new_value * 25.4;
1367: } elsif ($old_unit eq 'pt') {
1368: $new_value = $new_value * 25.4/72.27;
1369: } elsif ($old_unit eq 'pc') {
1370: $new_value = $new_value * 25.4/6.022;
1371: }
1372: $new_unit = 'mm';
1373: if ($old_value < $new_value) {
1374: $lengthforoutput[$ico] = $new_value.' mm';
1375: } else {
1376: $lengthforoutput[$ico] = $old_value.' mm';
1377: }
1378: }
1379: }
1380: my $parboxlength = '(\textwidth';
1381: for (my $io=0; $io<=$#lengthforoutput;$io++) {
1382: $parboxlength .= ' - '.$lengthforoutput[$io].' ';
1383: }
1384: $parboxlength .= ')/($GLOBALnumberOFcolumns+1) - 1 mm';
1385: $output =~ s/\\parbox{}{}/\\parbox{1 mm}{}/g;
1386: $output =~ s/\\parbox{}{(\\textbf{\w?\.?})}/\\parbox{5 mm}{$1}/g; #for stupid tables with empty columns
1387: $output =~ s/\\parbox{}/\\parbox{$parboxlength}/g;
1388: my ($howmanyatall,$howmanyfilled) = (0,0);
1389:
1390: my @tagar = @$tagstack;
1391: my $signature = 1;
1392: for (my $ico=0;$ico<$#tagar;$ico++) {
1393: if ($tagar[$ico] eq 'table') { $signature = 0; }
1394: }
1395: if ($signature) {
1396: my $totalnumber = $how_many_columns-$filled_columns-1;
1397: $output =~ s/\$GLOBALnumberOFcolumns/$totalnumber/g;
1398: }
1399: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
1400: if ($#Apache::londefdef::table > 0) {
1401: $inmemory = $Apache::londefdef::table[-1]{'output'};
1402: pop @Apache::londefdef::table;
1403: $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}] .= $inmemory;
1404: } else {
1405: $currentstring = $Apache::londefdef::table[-1]{'output'};
1406: $currentstring =~ s/\\\\\s+\\\\/\\\\/g;
1407: pop @Apache::londefdef::table;
1408: }
1409: }
1410: return $currentstring;
1411: }
1412: #-- <tr> tag
1413: sub start_tr {
1414: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1415: my $currentstring = '';
1416: if ($target eq 'web') {
1417: $currentstring = $token->[4];
1418: } elsif ($target eq 'tex') {
1419: $Apache::londefdef::table[-1]{'row_number'}++;
1420: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
1421: if ($alignchar ne '') {
1422: push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
1423: } else {
1424: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
1425: }
1426: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1427: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1428: $Apache::londefdef::table[-1]{'length'} = '';
1429: }
1430: return $currentstring;
1431: }
1432: sub end_tr {
1433: my ($target,$token) = @_;
1434: my $currentstring = '';
1435: if ($target eq 'web') {
1436: $currentstring = $token->[2];
1437: } elsif ($target eq 'tex') {
1438: # $currentstring .= ' START ROW '. $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}].' END ROW ';
1439: push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
1440:
1441: }
1442: return $currentstring;
1443: }
1444: #-- <td> tag
1445: sub start_td {
1446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1447: my $currentstring = '';
1448: if ($target eq 'web') {
1449: $currentstring = $token->[4];
1450: } elsif ($target eq 'tex') {
1451: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
1452: if ($what_to_push eq '') {
1453: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1454: }
1455: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1456: $Apache::londefdef::table[-1]{'counter_columns'}++;
1457: &Apache::lonxml::startredirection();
1458: ;
1459: }
1460: return $currentstring;
1461: }
1462: sub end_td {
1463: my ($target,$token) = @_;
1464: my $currentstring = '';
1465: if ($target eq 'web') {
1466: $currentstring = $token->[2];
1467: } elsif ($target eq 'tex') {
1468: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1469: my $data=&Apache::lonxml::endredirection();
1470: if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) {
1471: $Apache::londefdef::table[-1]{'length'} .= $1.',';
1472: } else {
1473: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1474: }
1475: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1476: }
1477: return $currentstring;
1478: }
1479: #-- <th> tag
1480: sub start_th {
1481: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1482: my $currentstring = '';
1483: if ($target eq 'web') {
1484: $currentstring = $token->[4];
1485: } elsif ($target eq 'tex') {
1486: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
1487: if ($what_to_push eq '') {
1488: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
1489: }
1490: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
1491: $Apache::londefdef::table[-1]{'counter_columns'}++;
1492: &Apache::lonxml::startredirection();
1493: ;
1494: }
1495: return $currentstring;
1496: }
1497: sub end_th {
1498: my ($target,$token) = @_;
1499: my $currentstring = '';
1500: if ($target eq 'web') {
1501: $currentstring = $token->[2];
1502: } elsif ($target eq 'tex') {
1503: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
1504: my $data=&Apache::lonxml::endredirection();
1505: if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) {
1506: $Apache::londefdef::table[-1]{'length'} .= $1.',';
1507: } else {
1508: $Apache::londefdef::table[-1]{'length'} .= '0 mm,';
1509: }
1510: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{\textbf{'.$data.'}} '.$Apache::londefdef::table[-1]{'vinc'};
1511: }
1512: return $currentstring;
1513: }
1514: #-- <img> tag
1515: sub start_img {
1516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1517: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1518: $token->[2]->{'src'};
1519: my $currentstring = '';
1520: my $width_param = '';
1521: my $height_param = '';
1522: my $scaling = .3;
1523:
1524: if ($target eq 'web') {
1525: $currentstring = $token->[4];
1526: } elsif ($target eq 'tex') {
1527: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval);
1528: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1529: if (-e $src) { #new one
1530: my $image = Image::Magick->new;
1531: my $current_figure = $image->Read($src);
1532: $width_param = $image->Get('width') * $scaling;;
1533: $height_param = $image->Get('height') * $scaling;;
1534: undef $image;
1535: my $epssrc = $src;
1536: $epssrc =~ s/(\.gif|\.jpg)$/\.eps/i;
1537: if (not -e $epssrc) {
1538: my $localfile = $epssrc;
1539: $localfile =~ s/.*(\/res)/$1/;
1540: my $file;
1541: my $path;
1542: if ($localfile =~ m!(.*)/([^/]*)$!) {
1543: $file = $2;
1544: $path = $1.'/';
1545: }
1546: my $signal_eps = 0;
1547: my @content_directory = &Apache::lonnet::dirlist($path);
1548: for (my $iy=0;$iy<=$#content_directory;$iy++) {
1549: my @tempo_array = split(/&/,$content_directory[$iy]);
1550: $content_directory[$iy] = $tempo_array[0];
1551: if ($file eq $tempo_array[0]) {
1552: $signal_eps = 1;
1553: last;
1554: }
1555: }
1556: if ($signal_eps) {
1557: my $eps_file = &Apache::lonnet::getfile($localfile);
1558: } else {
1559: $localfile = $src;
1560: $localfile =~ s/.*(\/res)/$1/;
1561: my $as = &Apache::lonnet::getfile($src);
1562: }
1563: }
1564: my $file;
1565: my $path;
1566: if ($src =~ m!(.*)/([^/]*)$!) {
1567: $file = $2;
1568: $path = $1.' /';
1569: }
1570: my $newsrc = $src;
1571: $newsrc =~ s/(\.gif|\.jpg)$/\.eps/i;
1572: $file=~s/(\.gif|\.jpg)$/\.eps/i;
1573: #do we have any specified size of the picture?
1574: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
1575: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
1576: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval);
1577: if ($TeXwidth ne '') {
1578: $width_param = $TeXwidth;
1579: } elsif ($TeXheight ne '') {
1580: $width_param = $TeXheight/$height_param*$width_param;
1581: } elsif ($width ne '') {
1582: $width_param = $width*$scaling;
1583: }
1584: #where can we find the picture?
1585: if (-e $newsrc) {
1586: if ($path) {
1587: $currentstring .= '\noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} ';
1588: }
1589: } else {
1590: my $temp_file;
1591: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
1592: $temp_file = Apache::File->new('>>'.$filename);
1593: print $temp_file "$src\n";
1594: $currentstring .= '\graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} ';
1595: }
1596: } else {
1597: my $alt = &Apache::lonxml::get_param('alt',$parstack,$safeeval);
1598: if ($alt) {
1599: $currentstring .= ' '.$alt.' ';
1600: } else {
1601: $currentstring .= ' THE ORIGINAL PROBLEM CONTAINS EMPTY IMG TAG WITHOUT IMAGE ';
1602: }
1603: }
1604: }
1605: return $currentstring;
1606: }
1607: sub end_img {
1608: my ($target,$token) = @_;
1609: my $currentstring = '';
1610: if ($target eq 'web') {
1611: $currentstring = $token->[2];
1612: } elsif ($target eq 'tex') {
1613: $currentstring = '';
1614: }
1615: return $currentstring;
1616: }
1617: #-- <applet> tag
1618:
1619: sub start_applet {
1620: my ($target,$token) = @_;
1621: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1622: $token->[2]->{'code'};
1623: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1624: $token->[2]->{'archive'};
1625: my $currentstring = '';
1626: if ($target eq 'web') {
1627: $currentstring = $token->[4];
1628: } elsif ($target eq 'tex') {
1629: $currentstring = " \\begin{figure} ";
1630: }
1631: return $currentstring;
1632: }
1633: sub end_applet {
1634: my ($target,$token) = @_;
1635: my $currentstring = '';
1636: if ($target eq 'web') {
1637: $currentstring = $token->[2];
1638: } elsif ($target eq 'tex') {
1639: $currentstring = " \\end{figure}";
1640: }
1641: return $currentstring;
1642: }
1643:
1644: #-- <embed> tag
1645:
1646: sub start_embed {
1647: my ($target,$token) = @_;
1648: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1649: $token->[2]->{'src'};
1650: my $currentstring = '';
1651: if ($target eq 'web') {
1652: $currentstring = $token->[4];
1653: } elsif ($target eq 'tex') {
1654: $currentstring = " \\begin{figure} ";
1655: }
1656: return $currentstring;
1657: }
1658: sub end_embed {
1659: my ($target,$token) = @_;
1660: my $currentstring = '';
1661: if ($target eq 'web') {
1662: $currentstring = $token->[2];
1663: } elsif ($target eq 'tex') {
1664: $currentstring = " \\end{figure}";
1665: }
1666: return $currentstring;
1667: }
1668:
1669: #-- <param> tag
1670:
1671: sub start_param {
1672: my ($target,$token) = @_;
1673: if ($token->[2]->{'name'} eq 'cabbase') {
1674: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1675: $token->[2]->{'value'};
1676: }
1677: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1678: $token->[2]->{'src'};
1679: my $currentstring = '';
1680: if ($target eq 'web') {
1681: $currentstring = $token->[4];
1682: } elsif ($target eq 'tex') {
1683: $currentstring = " \\begin{figure} ";
1684: }
1685: return $currentstring;
1686: }
1687: sub end_param {
1688: my ($target,$token) = @_;
1689: my $currentstring = '';
1690: if ($target eq 'web') {
1691: $currentstring = $token->[2];
1692: } elsif ($target eq 'tex') {
1693: $currentstring = " \\end{figure}";
1694: }
1695: return $currentstring;
1696: }
1697:
1698: #-- <allow> tag
1699:
1700: sub start_allow {
1701: my ($target,$token) = @_;
1702:
1703: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1704: $token->[2]->{'src'};
1705:
1706: return '';
1707: }
1708: sub end_allow {
1709: return '';
1710: }
1711: #-- Frames
1712: sub start_frameset {
1713: my ($target,$token) = @_;
1714: my $currentstring = '';
1715: if ($target eq 'web') {
1716: if (!$Apache::lonxml::registered) {
1717: $currentstring.='<head>'.
1718: &Apache::lonxml::registerurl(undef,$target).'</head>';
1719: }
1720: $currentstring .= $token->[4];
1721: }
1722: return $currentstring;
1723: }
1724: sub end_frameset {
1725: my ($target,$token) = @_;
1726: my $currentstring = '';
1727: if ($target eq 'web') {
1728: $currentstring = $token->[2];
1729: }
1730: return $currentstring;
1731: }
1732: #-- <pre>
1733: sub start_pre {
1734: my ($target,$token) = @_;
1735: my $currentstring = '';
1736: if ($target eq 'web') {
1737: $currentstring .= $token->[4];
1738: } elsif ($target eq 'tex') {
1739: $currentstring .= '\begin{verbatim}';
1740: }
1741: return $currentstring;
1742: }
1743: sub end_pre {
1744: my ($target,$token) = @_;
1745: my $currentstring = '';
1746: if ($target eq 'web') {
1747: $currentstring .= $token->[2];
1748: } elsif ($target eq 'tex') {
1749: $currentstring .= '\end{verbatim}';
1750: }
1751: return $currentstring;
1752: }
1753: #-- <insert>
1754: sub start_insert {
1755: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1756: my $currentstring = '';
1757: if ($target eq 'web') {
1758: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval);
1759: $currentstring .= '<b>'.$display.'</b>';;
1760: }
1761: return $currentstring;
1762: }
1763: sub end_insert {
1764: my ($target,$token) = @_;
1765: my $currentstring = '';
1766: if ($target eq 'web') {
1767: $currentstring .= '';
1768: }
1769: return $currentstring;
1770: }
1771: #-- <externallink>
1772: sub start_externallink {
1773: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1774: my $currentstring = '';
1775: if ($target eq 'web') {
1776: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval);
1777: $currentstring .= '<b>'.$display.'</b>';;
1778: }
1779: return $currentstring;
1780: }
1781: sub end_externallink {
1782: my ($target,$token) = @_;
1783: my $currentstring = '';
1784: if ($target eq 'web') {
1785: $currentstring .= '';
1786: }
1787: return $currentstring;
1788: }
1789: #-- <blankspace heigth="">
1790: sub start_blankspace {
1791: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1792: my $currentstring = '';
1793: if ($target eq 'tex') {
1794: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval);
1795: $currentstring .= '\vskip '.$howmuch.' ';
1796: }
1797: return $currentstring;
1798: }
1799: sub end_blankspace {
1800: my ($target,$token) = @_;
1801: my $currentstring = '';
1802: if ($target eq 'tex') {
1803: $currentstring .= '';
1804: }
1805: return $currentstring;
1806: }
1807:
1808: 1;
1809: __END__
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