1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
4: # last modified 06/26/00 by Alexander Sakharuk
5: # 11/6,11/30 Gerd Kortemeyer
6:
7: package Apache::londefdef;
8:
9: use strict;
10: use Apache::lonxml;
11:
12: sub BEGIN {
13:
14: &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','applet','select','option','input','textarea','form','meta','title','body','center','b','strong','table','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','tr','td'));
15:
16: }
17:
18: #===================================================================== TAG SUBROUTINES
19: #-- <output>
20: sub start_output {
21: my ($target,$token) = @_;
22: $Apache::lonxml::textredirection = 1;
23: my $result = '';
24: return $result;
25: }
26: sub end_output {
27: my ($target,$token) = @_;
28: $Apache::lonxml::textredirection = 0;
29: my $result = '';
30: return $result;
31: }
32: #-- <m> tag
33: sub start_m {
34: my ($target,$token,$parstack,$parser) = @_;
35: my $currentstring = '';
36: if ($target eq 'web') {
37: my $inside = &Apache::lonxml::get_all_text("/m",$$parser[$#$parser]);
38: $inside ='\\documentstyle{article}'.$inside;
39: # &Apache::lonxml::debug($inside);
40: $currentstring = &Apache::lontexconvert::converted(\$inside);
41: # &Apache::lonxml::debug($currentstring);
42:
43: } elsif ($target eq 'tex') {
44: $currentstring = "";
45: }
46: return $currentstring;
47: }
48: sub end_m {
49: my ($target,$token) = @_;
50: my $currentstring = '';
51: if ($target eq 'web') {
52: } elsif ($target eq 'tex') {
53: $currentstring = "";
54: } elsif ($target eq 'meta') {
55: }
56: return $currentstring;
57: }
58: #-------------------------------------------------------------------------- <html> tag
59: sub start_html {
60: my ($target,$token) = @_;
61: my $currentstring = '';
62: if ($target eq 'web') {
63: $currentstring = $token->[4];
64: }
65: return $currentstring;
66: }
67: sub end_html {
68: my ($target,$token) = @_;
69: my $currentstring = '';
70: if ($target eq 'web') {
71: $currentstring = $token->[2];
72: }
73: return $currentstring;
74: }
75: #-------------------------------------------------------------------------- <head> tag
76: sub start_head {
77: my ($target,$token) = @_;
78: my $currentstring = '';
79: if ($target eq 'web') {
80: $currentstring = $token->[4];
81: }
82: return $currentstring;
83: }
84: sub end_head {
85: my ($target,$token) = @_;
86: my $currentstring = '';
87: if ($target eq 'web') {
88: $currentstring = $token->[2];
89: }
90: return $currentstring;
91: }
92: #--------------------------------------------------------------------------- <map> tag
93: sub start_map {
94: my ($target,$token) = @_;
95: my $currentstring = '';
96: if ($target eq 'web') {
97: $currentstring = $token->[4];
98: }
99: return $currentstring;
100: }
101: sub end_map {
102: my ($target,$token) = @_;
103: my $currentstring = '';
104: if ($target eq 'web') {
105: $currentstring = $token->[2];
106: }
107: return $currentstring;
108: }
109: #------------------------------------------------------------------------ <applet> tag
110: sub start_applet {
111: my ($target,$token) = @_;
112: my $currentstring = '';
113: if ($target eq 'web') {
114: $currentstring = $token->[4];
115: }
116: return $currentstring;
117: }
118: sub end_applet {
119: my ($target,$token) = @_;
120: my $currentstring = '';
121: if ($target eq 'web') {
122: $currentstring = $token->[2];
123: }
124: return $currentstring;
125: }
126: #------------------------------------------------------------------------ <select> tag
127: sub start_select {
128: my ($target,$token) = @_;
129: my $currentstring = '';
130: if ($target eq 'web') {
131: $currentstring = $token->[4];
132: }
133: return $currentstring;
134: }
135: sub end_select {
136: my ($target,$token) = @_;
137: my $currentstring = '';
138: if ($target eq 'web') {
139: $currentstring = $token->[2];
140: }
141: return $currentstring;
142: }
143: #------------------------------------------------------------------------ <option> tag
144: sub start_option {
145: my ($target,$token) = @_;
146: my $currentstring = '';
147: if ($target eq 'web') {
148: $currentstring = $token->[4];
149: }
150: return $currentstring;
151: }
152: sub end_option {
153: my ($target,$token) = @_;
154: my $currentstring = '';
155: if ($target eq 'web') {
156: $currentstring = $token->[2];
157: }
158: return $currentstring;
159: }
160: #------------------------------------------------------------------------- <input> tag
161: sub start_input {
162: my ($target,$token) = @_;
163: my $currentstring = '';
164: if ($target eq 'web') {
165: $currentstring = $token->[4];
166: }
167: return $currentstring;
168: }
169: sub end_input {
170: my ($target,$token) = @_;
171: my $currentstring = '';
172: if ($target eq 'web') {
173: $currentstring = $token->[2];
174: }
175: return $currentstring;
176: }
177: #---------------------------------------------------------------------- <textarea> tag
178: sub start_textarea {
179: my ($target,$token) = @_;
180: my $currentstring = '';
181: if ($target eq 'web') {
182: $currentstring = $token->[4];
183: }
184: return $currentstring;
185: }
186: sub end_textarea {
187: my ($target,$token) = @_;
188: my $currentstring = '';
189: if ($target eq 'web') {
190: $currentstring = $token->[2];
191: }
192: return $currentstring;
193: }
194: #-------------------------------------------------------------------------- <form> tag
195: sub start_form {
196: my ($target,$token) = @_;
197: my $currentstring = '';
198: if ($target eq 'web') {
199: $currentstring = $token->[4];
200: }
201: return $currentstring;
202: }
203: sub end_form {
204: my ($target,$token) = @_;
205: my $currentstring = '';
206: if ($target eq 'web') {
207: $currentstring = $token->[2];
208: }
209: return $currentstring;
210: }
211: #------------------------------------------------------------------------- <title> tag
212: sub start_title {
213: my ($target,$token) = @_;
214: my $currentstring = '';
215: if ($target eq 'web') {
216: $currentstring = $token->[4];
217: }
218: if ($target eq 'meta') {
219: $currentstring='<title>';
220: &start_output();
221: }
222: return $currentstring;
223: }
224: sub end_title {
225: my ($target,$token) = @_;
226: my $currentstring = '';
227: if ($target eq 'web') {
228: $currentstring = $token->[2];
229: }
230: if ($target eq 'meta') {
231: &end_output();
232: $currentstring='</title>';
233: }
234: return $currentstring;
235: }
236: #-------------------------------------------------------------------------- <meta> tag
237: sub start_meta {
238: my ($target,$token) = @_;
239: my $currentstring = '';
240: if ($target eq 'web') {
241: $currentstring = $token->[4];
242: }
243: if ($target eq 'meta') {
244: unless ($token->[2]->{'http-equiv'}) {
245: my $name=$token->[2]->{'name'};
246: $name=~tr/A-Z/a-z/;
247: $name=~s/\s/\_/g;
248: if ($name) {
249: $currentstring='<'.$name.'>'.
250: $token->[2]->{'content'}.
251: '</'.$name.'>';
252: }
253: }
254: }
255: return $currentstring;
256: }
257: sub end_meta {
258: my ($target,$token) = @_;
259: my $currentstring = '';
260: if ($target eq 'web') {
261: $currentstring = $token->[2];
262: }
263: return $currentstring;
264: }
265: #-------------------------------------------------------------------------- <body> tag
266: sub start_body {
267: my ($target,$token) = @_;
268: my $currentstring = '';
269: if ($target eq 'web') {
270: $currentstring = $token->[4];
271: } elsif ($target eq 'tex') {
272: $currentstring = " \\begin{document} ";
273: }
274: return $currentstring;
275: }
276: sub end_body {
277: my ($target,$token) = @_;
278: my $currentstring = '';
279: if ($target eq 'web') {
280: $currentstring = $token->[2];
281: } elsif ($target eq 'tex') {
282: $currentstring = " \\end{document}";
283: }
284: return $currentstring;
285: }
286: #------------------------------------------------------------------------ <center> tag
287: sub start_center {
288: my ($target,$token) = @_;
289: my $currentstring = '';
290: if ($target eq 'web') {
291: $currentstring = $token->[4];
292: } elsif ($target eq 'tex') {
293: $currentstring = " \\begin{center} ";
294: }
295: return $currentstring;
296: }
297: sub end_center {
298: my ($target,$token) = @_;
299: my $currentstring = '';
300: if ($target eq 'web') {
301: $currentstring = $token->[2];
302: } elsif ($target eq 'tex') {
303: $currentstring = " \\end{center}";
304: }
305: return $currentstring;
306: }
307: #----------------------------------------------------------------------------- <b> tag
308: sub start_b {
309: my ($target,$token) = @_;
310: my $currentstring = '';
311: if ($target eq 'web') {
312: $currentstring = $token->[4];
313: } elsif ($target eq 'tex') {
314: $currentstring = " {\\bf ";
315: }
316: return $currentstring;
317: }
318: sub end_b {
319: my ($target,$token) = @_;
320: my $currentstring = '';
321: if ($target eq 'web') {
322: $currentstring = $token->[2];
323: } elsif ($target eq 'tex') {
324: $currentstring = "}";
325: }
326: return $currentstring;
327: }
328: #------------------------------------------------------------------------ <strong> tag
329: sub start_strong {
330: my ($target,$token) = @_;
331: my $currentstring = '';
332: if ($target eq 'web') {
333: $currentstring = $token->[4];
334: } elsif ($target eq 'tex') {
335: $currentstring = " {\\bf ";
336: }
337: return $currentstring;
338: }
339: sub end_strong {
340: my ($target,$token) = @_;
341: my $currentstring = '';
342: if ($target eq 'web') {
343:
344: $currentstring = $token->[2];
345: } elsif ($target eq 'tex') {
346: $currentstring = "}";
347: }
348: return $currentstring;
349: }
350: #---------------------------------------------------------------------------- <h1> tag
351: sub start_h1 {
352: my ($target,$token) = @_;
353: my $currentstring = '';
354: if ($target eq 'web') {
355: $currentstring .= $token->[4];
356: } elsif ($target eq 'tex') {
357: $currentstring .= "\\chapter{ ";
358: } elsif ($target eq 'meta') {
359: $currentstring='<subject>';
360: &start_output();
361: }
362: return $currentstring;
363: }
364: sub end_h1 {
365: my ($target,$token) = @_;
366: my $currentstring = '';
367: if ($target eq 'web') {
368: $currentstring .= $token->[2];
369: } elsif ($target eq 'tex') {
370: $currentstring .= "}";
371: } elsif ($target eq 'meta') {
372: &end_output();
373: $currentstring='</subject>';
374: }
375: return $currentstring;
376: }
377: #---------------------------------------------------------------------------- <h2> tag
378: sub start_h2 {
379: my ($target,$token) = @_;
380: my $currentstring = '';
381: if ($target eq 'web') {
382: $currentstring .= $token->[4];
383: } elsif ($target eq 'tex') {
384: $currentstring .= "\\section{ ";
385: }
386: return $currentstring;
387: }
388: sub end_h2 {
389: my ($target,$token) = @_;
390: my $currentstring = '';
391: if ($target eq 'web') {
392: $currentstring .= $token->[2];
393: } elsif ($target eq 'tex') {
394: $currentstring .= "}";
395: }
396: return $currentstring;
397: }
398: #---------------------------------------------------------------------------- <h3> tag
399: sub start_h3 {
400: my ($target,$token) = @_;
401: my $currentstring = '';
402: if ($target eq 'web') {
403: $currentstring .= $token->[4];
404: } elsif ($target eq 'tex') {
405: $currentstring .= "\\subsection{ ";
406: }
407: return $currentstring;
408: }
409: sub end_h3 {
410: my ($target,$token) = @_;
411: my $currentstring = '';
412: if ($target eq 'web') {
413: $currentstring .= $token->[2];
414: } elsif ($target eq 'tex') {
415: $currentstring .= "}";
416: }
417: return $currentstring;
418: }
419: #---------------------------------------------------------------------------- <h4> tag
420: sub start_h4 {
421: my ($target,$token) = @_;
422: my $currentstring = '';
423: if ($target eq 'web') {
424: $currentstring .= $token->[4];
425: } elsif ($target eq 'tex') {
426: $currentstring .= "\\subsubsection{ ";
427: }
428: return $currentstring;
429: }
430: sub end_h4 {
431: my ($target,$token) = @_;
432: my $currentstring = '';
433: if ($target eq 'web') {
434: $currentstring .= $token->[2];
435: } elsif ($target eq 'tex') {
436: $currentstring .= "}";
437: }
438: return $currentstring;
439: }
440: #---------------------------------------------------------------------------- <h5> tag
441: sub start_h5 {
442: my ($target,$token) = @_;
443: my $currentstring = '';
444: if ($target eq 'web') {
445: $currentstring .= $token->[4];
446: } elsif ($target eq 'tex') {
447: $currentstring .= "\\paragraph{ ";
448: }
449: return $currentstring;
450: }
451: sub end_h5 {
452: my ($target,$token) = @_;
453: my $currentstring = '';
454: if ($target eq 'web') {
455: $currentstring .= $token->[2];
456: } elsif ($target eq 'tex') {
457: $currentstring .= "}";
458: }
459: return $currentstring;
460: }
461: #---------------------------------------------------------------------------- <h6> tag
462: sub start_h6 {
463: my ($target,$token) = @_;
464: my $currentstring = '';
465: if ($target eq 'web') {
466: $currentstring .= $token->[4];
467: } elsif ($target eq 'tex') {
468: $currentstring .= "\\subparagraph{ ";
469: }
470: return $currentstring;
471: }
472: sub end_h6 {
473: my ($target,$token) = @_;
474: my $currentstring = '';
475: if ($target eq 'web') {
476: $currentstring .= $token->[2];
477: } elsif ($target eq 'tex') {
478: $currentstring .= "}";
479: }
480: return $currentstring;
481: }
482: #-------------------------------------------------------------------------- <cite> tag
483: sub start_cite {
484: my ($target,$token) = @_;
485: my $currentstring = '';
486: if ($target eq 'web') {
487: $currentstring .= $token->[4];
488: } elsif ($target eq 'tex') {
489: $currentstring .= "{ \\it ";
490: }
491: return $currentstring;
492: }
493: sub end_cite {
494: my ($target,$token) = @_;
495: my $currentstring = '';
496: if ($target eq 'web') {
497: $currentstring .= $token->[2];
498: } elsif ($target eq 'tex') {
499: $currentstring .= "}";
500: }
501: return $currentstring;
502: }
503: #----------------------------------------------------------------------------- <i> tag
504: sub start_i {
505: my ($target,$token) = @_;
506: my $currentstring = '';
507: if ($target eq 'web') {
508: $currentstring .= $token->[4];
509: } elsif ($target eq 'tex') {
510: $currentstring .= "{ \\it ";
511: }
512: return $currentstring;
513: }
514: sub end_i {
515: my ($target,$token) = @_;
516: my $currentstring = '';
517: if ($target eq 'web') {
518: $currentstring .= $token->[2];
519: } elsif ($target eq 'tex') {
520: $currentstring .= "}";
521: }
522: return $currentstring;
523: }
524: #----------------------------------------------------------------------- <address> tag
525: sub start_address {
526: my ($target,$token) = @_;
527: my $currentstring = '';
528: if ($target eq 'web') {
529: $currentstring .= $token->[4];
530: } elsif ($target eq 'tex') {
531: $currentstring .= "{ \\it ";
532: }
533: return $currentstring;
534: }
535: sub end_address {
536: my ($target,$token) = @_;
537: my $currentstring = '';
538: if ($target eq 'web') {
539: $currentstring .= $token->[2];
540: } elsif ($target eq 'tex') {
541: $currentstring .= "}";
542: }
543: return $currentstring;
544: }
545: #--------------------------------------------------------------------------- <dfn> tag
546: sub start_dfn {
547: my ($target,$token) = @_;
548: my $currentstring = '';
549: if ($target eq 'web') {
550: $currentstring .= $token->[4];
551: } elsif ($target eq 'tex') {
552: $currentstring .= "{ \\it ";
553: }
554: return $currentstring;
555: }
556: sub end_dfn {
557: my ($target,$token) = @_;
558: my $currentstring = '';
559: if ($target eq 'web') {
560: $currentstring .= $token->[2];
561: } elsif ($target eq 'tex') {
562: $currentstring .= "}";
563: }
564: return $currentstring;
565: }
566: #---------------------------------------------------------------------------- <tt> tag
567: sub start_tt {
568: my ($target,$token) = @_;
569: my $currentstring = '';
570: if ($target eq 'web') {
571: $currentstring .= $token->[4];
572: } elsif ($target eq 'tex') {
573: $currentstring .= "{ \\tt ";
574: }
575: return $currentstring;
576: }
577: sub end_tt {
578: my ($target,$token) = @_;
579: my $currentstring = '';
580: if ($target eq 'web') {
581: $currentstring .= $token->[2];
582: } elsif ($target eq 'tex') {
583: $currentstring .= "}";
584: }
585: return $currentstring;
586: }
587: #---------------------------------------------------------------------------- <kbd> tag
588: sub start_kbd {
589: my ($target,$token) = @_;
590: my $currentstring = '';
591: if ($target eq 'web') {
592: $currentstring .= $token->[4];
593: } elsif ($target eq 'tex') {
594: $currentstring .= "{ \\tt ";
595: }
596: return $currentstring;
597: }
598: sub end_kbd {
599: my ($target,$token) = @_;
600: my $currentstring = '';
601: if ($target eq 'web') {
602: $currentstring .= $token->[2];
603: } elsif ($target eq 'tex') {
604: $currentstring .= "}";
605: }
606: return $currentstring;
607: }
608: #-------------------------------------------------------------------------- <code> tag
609: sub start_code {
610: my ($target,$token) = @_;
611: my $currentstring = '';
612: if ($target eq 'web') {
613: $currentstring .= $token->[4];
614: } elsif ($target eq 'tex') {
615: $currentstring .= "{ \\tt ";
616: }
617: return $currentstring;
618: }
619: sub end_code {
620: my ($target,$token) = @_;
621: my $currentstring = '';
622: if ($target eq 'web') {
623: $currentstring .= $token->[2];
624: } elsif ($target eq 'tex') {
625: $currentstring .= "}";
626: }
627: return $currentstring;
628: }
629: #---------------------------------------------------------------------------- <em> tag
630: sub start_em {
631: my ($target,$token) = @_;
632: my $currentstring = '';
633: if ($target eq 'web') {
634: $currentstring .= $token->[4];
635: } elsif ($target eq 'tex') {
636: $currentstring .= "\\emph{";
637: }
638: return $currentstring;
639: }
640: sub end_em {
641: my ($target,$token) = @_;
642: my $currentstring = '';
643: if ($target eq 'web') {
644: $currentstring .= $token->[2];
645: } elsif ($target eq 'tex') {
646: $currentstring .= "}";
647: }
648: return $currentstring;
649: }
650: #----------------------------------------------------------------------------- <q> tag
651: sub start_q {
652: my ($target,$token) = @_;
653: my $currentstring = '';
654: if ($target eq 'web') {
655: $currentstring .= $token->[4];
656: } elsif ($target eq 'tex') {
657: $currentstring .= "{ \\emph ";
658: }
659: return $currentstring;
660: }
661: sub end_q {
662: my ($target,$token) = @_;
663: my $currentstring = '';
664: if ($target eq 'web') {
665: $currentstring .= $token->[2];
666: } elsif ($target eq 'tex') {
667: $currentstring .= "}";
668: }
669: return $currentstring;
670: }
671: #----------------------------------------------------------------------------- <p> tag
672: sub start_p {
673: my ($target,$token) = @_;
674: my $currentstring = '';
675: if ($target eq 'web') {
676: $currentstring .= $token->[4];
677: } elsif ($target eq 'tex') {
678: $currentstring .= "{\\par ";
679: }
680: return $currentstring;
681: }
682: sub end_p {
683: my ($target,$token) = @_;
684: my $currentstring = '';
685: if ($target eq 'web') {
686: $currentstring .= $token->[2];
687: } elsif ($target eq 'tex') {
688: $currentstring .= " }";
689: }
690: return $currentstring;
691: }
692: #---------------------------------------------------------------------------- <br> tag
693: sub start_br {
694: my ($target,$token) = @_;
695: my $currentstring = '';
696: if ($target eq 'web') {
697: $currentstring .= $token->[4];
698: } elsif ($target eq 'tex') {
699: $currentstring .= "\\\\";
700: }
701: return $currentstring;
702: }
703: sub end_br {
704: my ($target,$token) = @_;
705: my $currentstring = '';
706: if ($target eq 'web') {
707: $currentstring .= $token->[2];
708: }
709: return $currentstring;
710: }
711: #--------------------------------------------------------------------------- <big> tag
712: sub start_big {
713: my ($target,$token) = @_;
714: my $currentstring = '';
715: if ($target eq 'web') {
716: $currentstring .= $token->[4];
717: } elsif ($target eq 'tex') {
718: $currentstring .= "{\\large ";
719: }
720: return $currentstring;
721: }
722: sub end_big {
723: my ($target,$token) = @_;
724: my $currentstring = '';
725: if ($target eq 'web') {
726: $currentstring .= $token->[2];
727: } elsif ($target eq 'tex') {
728: $currentstring .= " }";
729: }
730: return $currentstring;
731: }
732: #------------------------------------------------------------------------- <small> tag
733: sub start_small {
734: my ($target,$token) = @_;
735: my $currentstring = '';
736: if ($target eq 'web') {
737: $currentstring .= $token->[4];
738: } elsif ($target eq 'tex') {
739: $currentstring .= "{\\footnotesize ";
740: }
741: return $currentstring;
742: }
743: sub end_small {
744: my ($target,$token) = @_;
745: my $currentstring = '';
746: if ($target eq 'web') {
747: $currentstring .= $token->[2];
748: } elsif ($target eq 'tex') {
749: $currentstring .= " }";
750: }
751: return $currentstring;
752: }
753: #---------------------------------------------------------------------- <basefont> tag
754: sub start_basefont {
755: my ($target,$token) = @_;
756: my $currentstring = '';
757: if ($target eq 'web') {
758: $currentstring = $token->[4];
759: }
760: return $currentstring;
761: }
762: sub end_basefont {
763: my ($target,$token) = @_;
764: my $currentstring = '';
765: if ($target eq 'web') {
766: $currentstring = $token->[4];
767: }
768: return $currentstring;
769: }
770: #-------------------------------------------------------------------------- <font> tag
771: sub start_font {
772: my ($target,$token) = @_;
773: my $currentstring = '';
774: if ($target eq 'web') {
775: $currentstring = $token->[4];
776: }
777: return $currentstring;
778: }
779: sub end_font {
780: my ($target,$token) = @_;
781: my $currentstring = '';
782: if ($target eq 'web') {
783: $currentstring = $token->[2];
784: }
785: return $currentstring;
786: }
787: #------------------------------------------------------------------------ <strike> tag
788: sub start_strike {
789: my ($target,$token) = @_;
790: my $currentstring = '';
791: if ($target eq 'web') {
792: $currentstring .= $token->[4];
793: } elsif ($target eq 'tex') {
794: $currentstring .= "{\\underline ";
795: }
796: return $currentstring;
797: }
798: sub end_strike {
799: my ($target,$token) = @_;
800: my $currentstring = '';
801: if ($target eq 'web') {
802: $currentstring .= $token->[2];
803: } elsif ($target eq 'tex') {
804: $currentstring .= " }";
805: }
806: return $currentstring;
807: }
808: #----------------------------------------------------------------------------- <s> tag
809: sub start_s {
810: my ($target,$token) = @_;
811: my $currentstring = '';
812: if ($target eq 'web') {
813: $currentstring .= $token->[4];
814: } elsif ($target eq 'tex') {
815: $currentstring .= "{\\underline ";
816: }
817: return $currentstring;
818: }
819: sub end_s {
820: my ($target,$token) = @_;
821: my $currentstring = '';
822: if ($target eq 'web') {
823: $currentstring .= $token->[2];
824: } elsif ($target eq 'tex') {
825: $currentstring .= " }";
826: }
827: return $currentstring;
828: }
829: #--------------------------------------------------------------------------- <sub> tag
830: sub start_sub {
831: my ($target,$token) = @_;
832: my $currentstring = '';
833: if ($target eq 'web') {
834: $currentstring .= $token->[4];
835: } elsif ($target eq 'tex') {
836: $currentstring .= "\$_{ ";
837: }
838: return $currentstring;
839: }
840: sub end_sub {
841: my ($target,$token) = @_;
842: my $currentstring = '';
843: if ($target eq 'web') {
844: $currentstring .= $token->[2];
845: } elsif ($target eq 'tex') {
846: $currentstring .= " }\$";
847: }
848: return $currentstring;
849: }
850: #--------------------------------------------------------------------------- <sup> tag
851: sub start_sup {
852: my ($target,$token) = @_;
853: my $currentstring = '';
854: if ($target eq 'web') {
855: $currentstring .= $token->[4];
856: } elsif ($target eq 'tex') {
857: $currentstring .= "\$^{ ";
858: }
859: return $currentstring;
860: }
861: sub end_sup {
862: my ($target,$token) = @_;
863: my $currentstring = '';
864: if ($target eq 'web') {
865: $currentstring .= $token->[2];
866: } elsif ($target eq 'tex') {
867: $currentstring .= " }\$";
868: }
869: return $currentstring;
870: }
871: #---------------------------------------------------------------------------- <hr> tag
872: sub start_hr {
873: my ($target,$token) = @_;
874: my $currentstring = '';
875: if ($target eq 'web') {
876: $currentstring .= $token->[4];
877: } elsif ($target eq 'tex') {
878: $currentstring .= "\\hline ";
879: }
880: return $currentstring;
881: }
882: sub end_hr {
883: my ($target,$token) = @_;
884: my $currentstring = '';
885: if ($target eq 'web') {
886: $currentstring .= $token->[2];
887: } elsif ($target eq 'tex') {
888: }
889: return $currentstring;
890: }
891: #----------------------------------------------------------------------------- <a> tag
892: sub start_a {
893: my ($target,$token) = @_;
894: my $currentstring = '';
895: if ($target eq 'web') {
896: $currentstring .= $token->[4];
897: } elsif ($target eq 'tex') {
898: }
899: return $currentstring;
900: }
901: sub end_a {
902: my ($target,$token,$stackref) = @_;
903: my $currentstring = '';
904: if ($target eq 'web') {
905: $currentstring .= $token->[2];
906: } elsif ($target eq 'tex') {
907: my $tempor_var = $stackref->[$#$stackref];
908: if (index($tempor_var,'name') != -1 ) {
909: $tempor_var =~ s/name=([^,]*),/$1/g;
910: # $currentstring .= " \\label{$tempor_var}";
911: } elsif (index($tempor_var,'href') != -1 ) {
912: $tempor_var =~ s/href=([^,]*),/$1/g;
913: $currentstring .= " \\ref{$tempor_var}";
914: }
915: }
916: return $currentstring;
917: }
918: #---------------------------------------------------------------------------- <li> tag
919: sub start_li {
920: my ($target,$token,$stackref) = @_;
921: my $currentstring = '';
922: if ($target eq 'web') {
923: $currentstring = $token->[4];
924: } elsif ($target eq 'tex') {
925: my $tempor_var = $stackref->[$#$stackref];
926: if (index($tempor_var,'circle') != -1 ) {
927: $currentstring .= " \\item[o] ";
928: } elsif (index($tempor_var,'square') != -1 ) {
929: $currentstring .= " \\item[$\Box$] ";
930: } elsif ($tempor_var ne '') {
931: $_ = $tempor_var;
932: m/my\s*([^=]*)=/;
933: $currentstring .= " \\item[$1] ";
934: } else {
935: $currentstring .= " \\item ";
936: }
937: }
938: return $currentstring;
939: }
940: sub end_li {
941: my ($target,$token) = @_;
942: my $currentstring = '';
943: if ($target eq 'web') {
944: $currentstring = $token->[2];
945: }
946: return $currentstring;
947: }
948: #----------------------------------------------------------------------------- <u> tag
949: sub start_u {
950: my ($target,$token) = @_;
951: my $currentstring = '';
952: if ($target eq 'web') {
953: $currentstring .= $token->[4];
954: } elsif ($target eq 'tex') {
955: $currentstring .= "{\\underline ";
956: }
957: return $currentstring;
958: }
959: sub end_u {
960: my ($target,$token) = @_;
961: my $currentstring = '';
962: if ($target eq 'web') {
963: $currentstring .= $token->[2];
964: } elsif ($target eq 'tex') {
965: $currentstring .= " }";
966: }
967: return $currentstring;
968: }
969: #---------------------------------------------------------------------------- <ul> tag
970: sub start_ul {
971: my ($target,$token) = @_;
972: my $currentstring = '';
973: if ($target eq 'web') {
974: $currentstring = $token->[4];
975: } elsif ($target eq 'tex') {
976: $currentstring = " \\begin{itemize} ";
977: }
978: return $currentstring;
979: }
980: sub end_ul {
981: my ($target,$token) = @_;
982: my $currentstring = '';
983: if ($target eq 'web') {
984: $currentstring = $token->[2];
985: } elsif ($target eq 'tex') {
986: $currentstring = " \\end{itemize}";
987: }
988: return $currentstring;
989: }
990: #-------------------------------------------------------------------------- <menu> tag
991: sub start_menu {
992: my ($target,$token) = @_;
993: my $currentstring = '';
994: if ($target eq 'web') {
995: $currentstring = $token->[4];
996: } elsif ($target eq 'tex') {
997: $currentstring = " \\begin{itemize} ";
998: }
999: return $currentstring;
1000: }
1001: sub end_menu {
1002: my ($target,$token) = @_;
1003: my $currentstring = '';
1004: if ($target eq 'web') {
1005: $currentstring = $token->[2];
1006: } elsif ($target eq 'tex') {
1007: $currentstring = " \\end{itemize}";
1008: }
1009: return $currentstring;
1010: }
1011: #--------------------------------------------------------------------------- <dir> tag
1012: sub start_dir {
1013: my ($target,$token) = @_;
1014: my $currentstring = '';
1015: if ($target eq 'web') {
1016: $currentstring = $token->[4];
1017: } elsif ($target eq 'tex') {
1018: $currentstring = " \\begin{itemize} ";
1019: }
1020: return $currentstring;
1021: }
1022: sub end_dir {
1023: my ($target,$token) = @_;
1024: my $currentstring = '';
1025: if ($target eq 'web') {
1026: $currentstring = $token->[2];
1027: } elsif ($target eq 'tex') {
1028: $currentstring = " \\end{itemize}";
1029: }
1030: return $currentstring;
1031: }
1032: #---------------------------------------------------------------------------- <ol> tag
1033: sub start_ol {
1034: my ($target,$token) = @_;
1035: my $currentstring = '';
1036: if ($target eq 'web') {
1037: $currentstring = $token->[4];
1038: } elsif ($target eq 'tex') {
1039: $currentstring = " \\begin{enumerate} ";
1040: }
1041: return $currentstring;
1042: }
1043: sub end_ol {
1044: my ($target,$token) = @_;
1045: my $currentstring = '';
1046: if ($target eq 'web') {
1047: $currentstring = $token->[2];
1048: } elsif ($target eq 'tex') {
1049: $currentstring = " \\end{enumerate}";
1050: }
1051: return $currentstring;
1052: }
1053: #---------------------------------------------------------------------------- <dl> tag
1054: sub start_dl {
1055: my ($target,$token) = @_;
1056: my $currentstring = '';
1057: if ($target eq 'web') {
1058: $currentstring = $token->[4];
1059: } elsif ($target eq 'tex') {
1060: $currentstring = " \\begin{description} ";
1061: }
1062: return $currentstring;
1063: }
1064: sub end_dl {
1065: my ($target,$token) = @_;
1066: my $currentstring = '';
1067: if ($target eq 'web') {
1068: $currentstring = $token->[2];
1069: } elsif ($target eq 'tex') {
1070: $currentstring = " \\end{description}";
1071: }
1072: return $currentstring;
1073: }
1074: #---------------------------------------------------------------------------- <dt> tag
1075: sub start_dt {
1076: my ($target,$token) = @_;
1077: my $currentstring = '';
1078: if ($target eq 'web') {
1079: $currentstring = $token->[4];
1080: } elsif ($target eq 'tex') {
1081: $currentstring = "\\item[ ";
1082: }
1083: return $currentstring;
1084: }
1085: sub end_dt {
1086: my ($target,$token) = @_;
1087: my $currentstring = '';
1088: if ($target eq 'web') {
1089: $currentstring = $token->[2];
1090: } elsif ($target eq 'tex') {
1091: $currentstring = "]";
1092: }
1093: return $currentstring;
1094: }
1095: #---------------------------------------------------------------------------- <dd> tag
1096: sub start_dd {
1097: my ($target,$token) = @_;
1098: my $currentstring = '';
1099: if ($target eq 'web') {
1100: $currentstring = $token->[4];
1101: }
1102: return $currentstring;
1103: }
1104: sub end_dd {
1105: my ($target,$token) = @_;
1106: my $currentstring = '';
1107: if ($target eq 'web') {
1108: $currentstring = $token->[2];
1109: }
1110: return $currentstring;
1111: }
1112: #------------------------------------------------------------------------- <table> tag
1113: sub start_table {
1114: my ($target,$token) = @_;
1115: my $currentstring = '';
1116: if ($target eq 'web') {
1117: $currentstring = $token->[4];
1118: } elsif ($target eq 'tex') {
1119: $currentstring = "";
1120: }
1121: return $currentstring;
1122: }
1123: sub end_table {
1124: my ($target,$token) = @_;
1125: my $currentstring = '';
1126: if ($target eq 'web') {
1127: $currentstring = $token->[2];
1128: } elsif ($target eq 'tex') {
1129: $currentstring = "";
1130: }
1131: return $currentstring;
1132: }
1133: #------------------------------------------------------------------------- <tr> tag
1134: sub start_tr {
1135: my ($target,$token) = @_;
1136: my $currentstring = '';
1137: if ($target eq 'web') {
1138: $currentstring = $token->[4];
1139: } elsif ($target eq 'tex') {
1140: $currentstring = '';
1141: }
1142: return $currentstring;
1143: }
1144: sub end_tr {
1145: my ($target,$token) = @_;
1146: my $currentstring = '';
1147: if ($target eq 'web') {
1148: $currentstring = $token->[2];
1149: } elsif ($target eq 'tex') {
1150: $currentstring = "";
1151: }
1152: return $currentstring;
1153: }
1154: #------------------------------------------------------------------------- <td> tag
1155: sub start_td {
1156: my ($target,$token) = @_;
1157: my $currentstring = '';
1158: if ($target eq 'web') {
1159: $currentstring = $token->[4];
1160: } elsif ($target eq 'tex') {
1161: $currentstring = '';
1162: }
1163: return $currentstring;
1164: }
1165: sub end_td {
1166: my ($target,$token) = @_;
1167: my $currentstring = '';
1168: if ($target eq 'web') {
1169: $currentstring = $token->[2];
1170: } elsif ($target eq 'tex') {
1171: $currentstring = "";
1172: }
1173: return $currentstring;
1174: }
1175: # -------------------------------------------------------------------------- <img> tag
1176:
1177: sub start_img {
1178: my ($target,$token) = @_;
1179: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1180: $token->[2]->{'src'};
1181: my $currentstring = '';
1182: if ($target eq 'web') {
1183: $currentstring = $token->[4];
1184: } elsif ($target eq 'tex') {
1185: $currentstring = " \\begin{figure} ";
1186: }
1187: return $currentstring;
1188: }
1189: sub end_img {
1190: my ($target,$token) = @_;
1191: my $currentstring = '';
1192: if ($target eq 'web') {
1193: $currentstring = $token->[2];
1194: } elsif ($target eq 'tex') {
1195: $currentstring = " \\end{figure}";
1196: }
1197: return $currentstring;
1198: }
1199: # ----------------------------------------------------------------------- <applet> tag
1200:
1201: sub start_applet {
1202: my ($target,$token) = @_;
1203: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1204: $token->[2]->{'code'};
1205: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1206: $token->[2]->{'archive'};
1207: my $currentstring = '';
1208: if ($target eq 'web') {
1209: $currentstring = $token->[4];
1210: } elsif ($target eq 'tex') {
1211: $currentstring = " \\begin{figure} ";
1212: }
1213: return $currentstring;
1214: }
1215: sub end_applet {
1216: my ($target,$token) = @_;
1217: my $currentstring = '';
1218: if ($target eq 'web') {
1219: $currentstring = $token->[2];
1220: } elsif ($target eq 'tex') {
1221: $currentstring = " \\end{figure}";
1222: }
1223: return $currentstring;
1224: }
1225:
1226: # ------------------------------------------------------------------------ <embed> tag
1227:
1228: sub start_embed {
1229: my ($target,$token) = @_;
1230: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1231: $token->[2]->{'src'};
1232: my $currentstring = '';
1233: if ($target eq 'web') {
1234: $currentstring = $token->[4];
1235: } elsif ($target eq 'tex') {
1236: $currentstring = " \\begin{figure} ";
1237: }
1238: return $currentstring;
1239: }
1240: sub end_embed {
1241: my ($target,$token) = @_;
1242: my $currentstring = '';
1243: if ($target eq 'web') {
1244: $currentstring = $token->[2];
1245: } elsif ($target eq 'tex') {
1246: $currentstring = " \\end{figure}";
1247: }
1248: return $currentstring;
1249: }
1250:
1251: # ------------------------------------------------------------------------ <param> tag
1252:
1253: sub start_param {
1254: my ($target,$token) = @_;
1255: if ($token->[2]->{'name'} eq 'cabbase') {
1256: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
1257: $token->[2]->{'value'};
1258: }
1259: $Apache::lonxml::extlinks[$Apache::lonxml::extlinks+1]=
1260: $token->[2]->{'src'};
1261: my $currentstring = '';
1262: if ($target eq 'web') {
1263: $currentstring = $token->[4];
1264: } elsif ($target eq 'tex') {
1265: $currentstring = " \\begin{figure} ";
1266: }
1267: return $currentstring;
1268: }
1269: sub end_param {
1270: my ($target,$token) = @_;
1271: my $currentstring = '';
1272: if ($target eq 'web') {
1273: $currentstring = $token->[2];
1274: } elsif ($target eq 'tex') {
1275: $currentstring = " \\end{figure}";
1276: }
1277: return $currentstring;
1278: }
1279:
1280: # ------------------------------------------------------------------------ <allow> tag
1281:
1282: sub start_allow {
1283: my ($target,$token) = @_;
1284:
1285: $Apache::lonxml::extlinks[$Apache::lonxml::extlinks+1]=
1286: $token->[2]->{'src'};
1287:
1288: return '';
1289: }
1290: sub end_allow {
1291: return '';
1292: }
1293:
1294:
1295: 1;
1296: __END__
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