Annotation of loncom/xml/londefdef.pm, revision 1.213
1.1 sakharuk 1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
1.213 ! sakharuk 4: # $Id: londefdef.pm,v 1.212 2004/05/10 18:33:31 sakharuk Exp $
1.41 sakharuk 5: #
1.34 www 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/
1.156 sakharuk 28: ## Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
1.34 www 29: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
30: # binary executable programs or libraries distributed by the
31: # Michigan State University (the "Licensee"), but any binaries so
32: # distributed are hereby licensed only for use in the context
33: # of a program or computational system for which the Licensee is the
34: # primary author or distributor, and which performs substantial
35: # additional tasks beyond the translation of (La)TeX into HTML.
36: # The C source of the Code may not be distributed by the Licensee
37: # to any other parties under any circumstances.
38: #
39: #
1.1 sakharuk 40: # last modified 06/26/00 by Alexander Sakharuk
1.28 www 41: # 11/6,11/30,02/01/01,5/4 Gerd Kortemeyer
1.41 sakharuk 42: # 01/18 Alex Sakharuk
1.1 sakharuk 43:
1.2 albertel 44: package Apache::londefdef;
1.1 sakharuk 45:
1.118 www 46: use Apache::lonnet();
1.1 sakharuk 47: use strict;
1.124 sakharuk 48: use Apache::lonxml;
1.57 sakharuk 49: use Apache::File();
1.70 sakharuk 50: use Image::Magick;
1.118 www 51: use Apache::lonmenu();
52: use Apache::lonmeta();
1.187 albertel 53: use Apache::Constants qw(:common);
1.54 sakharuk 54:
1.160 sakharuk 55:
1.38 harris41 56: BEGIN {
1.15 sakharuk 57:
1.135 sakharuk 58: &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'));
1.15 sakharuk 59:
1.188 albertel 60: }
61:
62: sub initialize_londefdef {
63: $Apache::londefdef::TD_redirection=0;
64: @Apache::londefdef::table = ();
65: $Apache::londefdef::select=0;
66: @Apache::londefdef::description=();
67: $Apache::londefdef::DD_redirection=0;
68: $Apache::londefdef::DT_redirection=0;
1.3 sakharuk 69: }
1.1 sakharuk 70:
1.35 sakharuk 71: #======================= TAG SUBROUTINES =====================
1.8 sakharuk 72: #-- <output>
1.21 albertel 73: sub start_output {
1.122 albertel 74: my ($target) = @_;
75: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
76: return '';
1.21 albertel 77: }
78: sub end_output {
1.122 albertel 79: my ($target) = @_;
80: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
81: return '';
1.21 albertel 82: }
1.4 sakharuk 83: #-- <m> tag
1.33 albertel 84: sub start_m {
1.190 albertel 85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 86: my $currentstring = '';
1.193 albertel 87: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
1.191 albertel 88: if ($target eq 'web' || $target eq 'analyze') {
1.122 albertel 89: $inside ='\\documentstyle{article}'.$inside;
90: &Apache::lonxml::debug("M is starting with:$inside:");
91: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
92: if ($eval eq 'on') {
93: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
94: #&Apache::lonxml::debug("M is evaulated to:$inside:");
95: }
96: $currentstring = &Apache::lontexconvert::converted(\$inside);
97: if ($Apache::lontexconvert::errorstring) {
98: &Apache::lonxml::warning("tth error: ".
99: $Apache::lontexconvert::errorstring);
100: $Apache::lontexconvert::errorstring='';
101: }
102: #&Apache::lonxml::debug("M is ends with:$currentstring:");
1.178 albertel 103: $Apache::lonxml::post_evaluate=0;
1.122 albertel 104: } elsif ($target eq 'tex') {
1.190 albertel 105: $currentstring = $inside;
1.178 albertel 106: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
107: if ($eval eq 'on') {
108: $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
109: }
1.122 albertel 110: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
1.178 albertel 111: $Apache::lonxml::post_evaluate=0;
1.122 albertel 112: }
113: return $currentstring;
1.33 albertel 114: }
1.122 albertel 115:
1.33 albertel 116: sub end_m {
1.122 albertel 117: my ($target,$token) = @_;
118: my $currentstring = '';
1.204 albertel 119: if ($target eq 'tex') {
1.122 albertel 120: $currentstring = "";
121: }
122: return $currentstring;
1.33 albertel 123: }
1.110 albertel 124:
125: sub start_tthoption {
1.122 albertel 126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
127: my $result;
128: if ($target eq 'web') {
129: my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser);
130: $inside=~s/^\s*//;
131: if ($ENV{'browser.mathml'}) {
132: &tth::ttmoptions($inside);
133: } else {
134: &tth::tthoptions($inside);
135: }
136: }
137: return $result;
1.110 albertel 138: }
139:
140: sub end_tthoption {
1.122 albertel 141: my ($target,$token) = @_;
142: my $result;
143: return $result;
1.110 albertel 144: }
145:
1.181 sakharuk 146: #-- <html> tag (end tag optional)
1.100 albertel 147: sub start_html {
148: my ($target,$token) = @_;
149: my $currentstring = '';
1.194 albertel 150: my $options=$ENV{'course.'.$ENV{'request.course.id'}.'.tthoptions'};
1.196 albertel 151: &Apache::lontexconvert::init_tth();
1.186 albertel 152: if ($target eq 'web' || $target eq 'edit') {
1.100 albertel 153: $currentstring = &Apache::lonxml::xmlbegin().
154: &Apache::lonxml::fontsettings();
155: } elsif ($target eq 'tex') {
156: @Apache::londefdef::table = ();
1.153 sakharuk 157: $currentstring .= '\documentclass[letterpaper]{article}';
158: if ($ENV{'form.latex_type'}=~'batchmode') {$currentstring .='\batchmode';}
159: $currentstring .= '\newcommand{\keephidden}[1]{}
1.114 sakharuk 160: \renewcommand{\deg}{$^{\circ}$}
1.150 sakharuk 161: \usepackage{longtable}
1.114 sakharuk 162: \usepackage{textcomp}
1.161 sakharuk 163: \usepackage{makeidx}
1.114 sakharuk 164: \usepackage[dvips]{graphicx}
165: \usepackage{epsfig}\usepackage{calc}
1.161 sakharuk 166: \newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}
1.162 sakharuk 167: \renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}';
1.100 albertel 168: }
169: return $currentstring;
170: }
1.122 albertel 171:
172: sub end_html {
173: my ($target,$token) = @_;
174: my $currentstring = '';
175: if ($target eq 'web') {
176: $currentstring = &Apache::lonxml::xmlend();
177: }
178: return $currentstring;
179: }
180:
1.181 sakharuk 181: #-- <head> tag (end tag optional)
1.122 albertel 182: sub start_head {
183: my ($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 $currentstring = '';
1.180 albertel 194: if ($target eq 'web' && $ENV{'request.state'} eq 'published') {
1.122 albertel 195: $currentstring = &Apache::lonmenu::registerurl(undef,$target).
196: $token->[2];
197: }
198: return $currentstring;
199: }
200:
1.181 sakharuk 201: #-- <map> tag (end tag required)
1.122 albertel 202: sub start_map {
203: my ($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 $currentstring;
218: }
219:
1.181 sakharuk 220: #-- <select> tag (end tag required)
1.122 albertel 221: sub start_select {
222: my ($target,$token) = @_;
223: my $currentstring = '';
224: if ($target eq 'web') {
225: $currentstring = $token->[4];
1.181 sakharuk 226: } elsif ($target eq 'tex') {
227: $Apache::londefdef::select=0;
228: }
1.122 albertel 229: return $currentstring;
230: }
231:
232: sub end_select {
233: my ($target,$token) = @_;
234: my $currentstring = '';
235: if ($target eq 'web') {
236: $currentstring = $token->[2];
237: }
238: return $currentstring;
239: }
240:
1.181 sakharuk 241: #-- <option> tag (end tag optional)
1.122 albertel 242: sub start_option {
1.181 sakharuk 243: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 244: my $currentstring = '';
245: if ($target eq 'web') {
246: $currentstring = $token->[4];
1.181 sakharuk 247: } elsif ($target eq 'tex') {
248: $Apache::londefdef::select++;
249: if ($Apache::londefdef::select == 1) {
250: $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
251: } else {
252: $currentstring='\keephidden{';
253: }
254: }
1.122 albertel 255: return $currentstring;
256: }
257:
258: sub end_option {
259: my ($target,$token) = @_;
260: my $currentstring = '';
261: if ($target eq 'web') {
262: $currentstring = $token->[2];
1.181 sakharuk 263: } elsif ($target eq 'tex') {
264: $currentstring='}';
265: }
1.122 albertel 266: return $currentstring;
267: }
268:
1.181 sakharuk 269: #-- <input> tag (end tag forbidden)
1.122 albertel 270: sub start_input {
271: my ($target,$token) = @_;
272: my $currentstring = '';
273: if ($target eq 'web') {
274: $currentstring = $token->[4];
275: }
276: return $currentstring;
277: }
278:
279: sub end_input {
280: my ($target,$token) = @_;
281: my $currentstring = '';
282: if ($target eq 'web') {
283: $currentstring = $token->[2];
284: }
285: return $currentstring;
286: }
287:
1.181 sakharuk 288: #-- <textarea> tag (end tag required)
1.122 albertel 289: sub start_textarea {
290: my ($target,$token) = @_;
291: my $currentstring = '';
292: if ($target eq 'web') {
293: $currentstring = $token->[4];
294: }
295: return $currentstring;
296: }
297:
298: sub end_textarea {
299: my ($target,$token) = @_;
300: my $currentstring = '';
301: if ($target eq 'web') {
302: $currentstring = $token->[2];
303: }
304: return $currentstring;
305: }
306:
1.181 sakharuk 307: #-- <form> tag (end tag required)
1.122 albertel 308: sub start_form {
309: my ($target,$token) = @_;
310: my $currentstring = '';
311: if ($target eq 'web') {
312: $currentstring = $token->[4];
313: }
314: return $currentstring;
315: }
316:
317: sub end_form {
318: my ($target,$token) = @_;
319: my $currentstring = '';
320: if ($target eq 'web') {
321: $currentstring = $token->[2];
322: }
323: return $currentstring;
324: }
325:
1.181 sakharuk 326: #-- <title> tag (end tag required)
1.122 albertel 327: sub start_title {
328: my ($target,$token) = @_;
329: my $currentstring = '';
330: if ($target eq 'web') {
331: $currentstring = $token->[4];
332: } elsif ($target eq 'tex') {
1.166 sakharuk 333: $currentstring .= '\keephidden{Title of the document: '
1.122 albertel 334: }
335: if ($target eq 'meta') {
336: $currentstring='<title>';
1.185 albertel 337: &start_output($target);
1.122 albertel 338: }
339: return $currentstring;
340: }
341:
342: sub end_title {
343: my ($target,$token) = @_;
344: my $currentstring = '';
345: if ($target eq 'web') {
346: $currentstring = $token->[2];
347: } elsif ($target eq 'tex') {
348: $currentstring .= '}';
349: }
350: if ($target eq 'meta') {
1.185 albertel 351: &end_output($target);
1.122 albertel 352: $currentstring='</title>';
353: }
354: return $currentstring;
355: }
356:
1.181 sakharuk 357: #-- <meta> tag (end tag forbidden)
1.122 albertel 358: sub start_meta {
359: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
360: my $currentstring = '';
361: if ($target eq 'web') {
362: my $args='';
363: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
364: if ($args eq '') {
365: &Apache::lonxml::get_all_text("/meta",$parser);
366: } else {
367: $currentstring = $token->[4];
1.1 sakharuk 368: }
1.135 sakharuk 369: } elsif ($target eq 'meta') {
1.122 albertel 370: unless (&Apache::lonxml::get_param
371: ('http-equiv',$parstack,$safeeval,undef,1)) {
372: my $name=$token->[2]->{'name'};
373: $name=~tr/A-Z/a-z/;
374: $name=~s/\s/\_/gs;
375: $name=~s/\W//gs;
376: if ($name) {
1.154 www 377: $currentstring='<'.$name;
378: my $display=&Apache::lonxml::get_param
379: ('display',$parstack,$safeeval,undef,1);
380: if ($display) {
381: $display=~s/\"/\'/g;
382: $currentstring.=' display="'.$display.'"';
383: }
384: $currentstring.='>'.
1.122 albertel 385: &Apache::lonxml::get_param
386: ('content',$parstack,$safeeval,undef,1).
1.135 sakharuk 387: '</'.$name.'>';
1.1 sakharuk 388: }
1.154 www 389: my $display=&Apache::lonxml::get_param
390: ('display',$parstack,$safeeval,undef,1);
391: if ($display) {
1.204 albertel 392: $display=&HTML::Entities::encode($display,'<>&"');
1.154 www 393: $currentstring.='<'.$name.'.display>'.$display.
394: '</'.$name.'.display>';
395: }
1.1 sakharuk 396: }
1.135 sakharuk 397: } elsif ($target eq 'tex') {
1.151 sakharuk 398: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
399: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
400: if ((not defined $content) && (not defined $name)) {
401: &Apache::lonxml::startredirection();
402: }
1.122 albertel 403: }
404: return $currentstring;
405: }
406:
407: sub end_meta {
1.165 albertel 408: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 409: my $currentstring = '';
410: if ($target eq 'web') {
411: my $args='';
412: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
413: if ($args ne '') {
1.121 www 414: $currentstring = $token->[4];
1.122 albertel 415: }
1.135 sakharuk 416: } elsif ($target eq 'tex') {
1.165 albertel 417: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
418: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
1.164 albertel 419: if ((not defined $content) && (not defined $name)) {
1.169 albertel 420: &Apache::lonxml::endredirection();
1.164 albertel 421: }
1.135 sakharuk 422: }
1.122 albertel 423: return $currentstring;
424: }
425:
1.121 www 426: # accessrule
1.122 albertel 427: sub start_accessrule {
428: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
429: my $currentstring = '';
430: my $eff=&Apache::lonxml::get_param
431: ('effect',$parstack,$safeeval,undef,1);
432: my $realm=&Apache::lonxml::get_param
433: ('realm',$parstack,$safeeval,undef,1);
1.123 www 434: my $role=&Apache::lonxml::get_param
435: ('role',$parstack,$safeeval,undef,1);
436: $realm=~s/\s+//g;
437: $realm=~s/\//\_/g;
438: $realm=~s/^\_//;
439: $realm=~s/\W/\;/g;
440: $role=~s/\s+//g;
441: $role=~s/\//\_/g;
442: $role=~s/\W/\;/g;
1.122 albertel 443: if ($target eq 'web') {
444: my $args='';
445: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
446: if ($args eq '') {
447: &Apache::lonxml::get_all_text("/accessrule",$parser);
448: } else {
449: $currentstring = $token->[4];
450: }
451: }
452: if ($target eq 'meta') {
1.123 www 453: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';
1.122 albertel 454: }
455: return $currentstring;
456: }
457:
458: sub end_accessrule {
459: my ($target,$token,$tagstack,$parstack,$parser) = @_;
460: my $currentstring = '';
461: if ($target eq 'web') {
462: my $args='';
463: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
464: if ($args ne '') {
465: $currentstring = $token->[4];
466: }
467: }
468: return $currentstring;
469: }
470:
1.181 sakharuk 471: #-- <body> tag (end tag required)
1.122 albertel 472: sub start_body {
473: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
474: my $currentstring = '';
475: if ($target eq 'web') {
1.170 albertel 476: if ($Apache::lonhomework::parsing_a_problem) {
477: &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
478: return '';
479: }
1.180 albertel 480: if (!$Apache::lonxml::registered &&
481: $ENV{'request.state'} eq 'published') {
1.122 albertel 482: $currentstring.='<head>'.
483: &Apache::lonmenu::registerurl(undef,$target).'</head>';
484: }
1.155 www 485: # Accessibility
486: if ($ENV{'browser.imagesuppress'} eq 'on') {
487: delete($token->[2]->{'background'});
488: }
489: if ($ENV{'browser.fontenhance'} eq 'on') {
490: my $style='';
491: foreach my $key (keys(%{$token->[2]})) {
492: if ($key =~ /^style$/i) {
493: $style.=$token->[2]->{$key}.';';
494: delete($token->[2]->{$key});
495: }
496: }
497: $token->[2]->{'style'}=$style.'; font-size: x-large;';
498: }
499: if ($ENV{'browser.blackwhite'} eq 'on') {
500: delete($token->[2]->{'font'});
501: delete($token->[2]->{'link'});
502: delete($token->[2]->{'alink'});
503: delete($token->[2]->{'vlink'});
504: delete($token->[2]->{'bgcolor'});
505: delete($token->[2]->{'background'});
506: }
507: # Overload loads
1.122 albertel 508: my $onLoad='';
509: foreach my $key (keys(%{$token->[2]})) {
510: if ($key =~ /^onload$/i) {
511: $onLoad.=$token->[2]->{$key}.';';
512: delete($token->[2]->{$key});
1.121 www 513: }
1.122 albertel 514: }
515: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
516: my $onUnload='';
517: foreach my $key (keys(%{$token->[2]})) {
518: if ($key =~ /^onunload$/i) {
519: $onUnload.=$token->[2]->{$key}.';';
520: delete($token->[2]->{$key});
1.121 www 521: }
522: }
1.122 albertel 523: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
524: ';'.$onUnload;
525:
526: $currentstring .= '<'.$token->[1];
527: foreach (keys %{$token->[2]}) {
528: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
529: }
530: $currentstring.='>';
531: if ($ENV{'request.state'} ne 'published') {
532: $currentstring.=(<<EDITBUTTON);
1.40 albertel 533: <form method="post">
1.200 matthew 534: <input type="submit" name="editmode" accesskey="e" value="Edit" />
1.40 albertel 535: </form>
536: EDITBUTTON
1.122 albertel 537: } else {
538: $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
1.1 sakharuk 539: }
1.201 albertel 540: $currentstring.=&Apache::lonxml::message_location();
1.122 albertel 541: } elsif ($target eq 'tex') {
542: $currentstring = '\begin{document}';
543: }
544: return $currentstring;
545: }
546:
547: sub end_body {
548: my ($target,$token) = @_;
549: my $currentstring = '';
550: if ($target eq 'web') {
551: $currentstring = $token->[2];
552: } elsif ($target eq 'tex') {
1.171 sakharuk 553: $currentstring = '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
1.122 albertel 554: }
555: return $currentstring;
556: }
557:
1.181 sakharuk 558: #-- <center> tag (end tag required)
1.122 albertel 559: sub start_center {
560: my ($target,$token) = @_;
561: my $currentstring = '';
562: if ($target eq 'web') {
563: $currentstring = $token->[4];
564: } elsif ($target eq 'tex') {
565: $currentstring = '\begin{center}';
1.144 sakharuk 566: }
1.122 albertel 567: return $currentstring;
568: }
569:
570: sub end_center {
571: my ($target,$token) = @_;
572: my $currentstring = '';
573: if ($target eq 'web') {
574: $currentstring = $token->[2];
575: } elsif ($target eq 'tex') {
576: $currentstring = '\end{center}';
1.144 sakharuk 577: }
1.122 albertel 578: return $currentstring;
579: }
580:
1.181 sakharuk 581: #-- <b> tag (end tag required)
1.122 albertel 582: sub start_b {
583: my ($target,$token) = @_;
584: my $currentstring = '';
585: if ($target eq 'web') {
586: $currentstring = $token->[4];
587: } elsif ($target eq 'tex') {
588: $currentstring = '\textbf{';
589: }
590: return $currentstring;
591: }
592:
593: sub end_b {
594: my ($target,$token) = @_;
595: my $currentstring = '';
596: if ($target eq 'web') {
597: $currentstring = $token->[2];
598: } elsif ($target eq 'tex') {
599: $currentstring = '}';
600: }
601: return $currentstring;
602: }
1.35 sakharuk 603:
1.181 sakharuk 604: #-- <strong> tag (end tag required)
1.122 albertel 605: sub start_strong {
606: my ($target,$token) = @_;
607: my $currentstring = '';
608: if ($target eq 'web') {
609: $currentstring = $token->[4];
610: } elsif ($target eq 'tex') {
611: $currentstring = '\textbf{';
612: }
613: return $currentstring;
614: }
615:
616: sub end_strong {
617: my ($target,$token) = @_;
618: my $currentstring = '';
1.182 sakharuk 619: if ($target eq 'web') {
1.122 albertel 620: $currentstring = $token->[2];
621: } elsif ($target eq 'tex') {
622: $currentstring = '}';
1.144 sakharuk 623: }
1.122 albertel 624: return $currentstring;
625: }
626:
1.181 sakharuk 627: #-- <h1> tag (end tag required)
1.122 albertel 628: sub start_h1 {
1.125 sakharuk 629: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 630: my $currentstring = '';
631: if ($target eq 'web') {
632: $currentstring .= $token->[4];
633: } elsif ($target eq 'tex') {
1.125 sakharuk 634: my $pre;
1.199 albertel 635: my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
1.212 sakharuk 636: if ($align eq 'center') {
1.125 sakharuk 637: $pre='\begin{center}';
638: } elsif ($align eq 'left') {
639: $pre='\rlap{';
640: } elsif ($align eq 'right') {
641: $pre=' \hfill \llap{';
642: }
643: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
644: if (not defined $TeXsize) {$TeXsize="large";}
645: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 646: } elsif ($target eq 'meta') {
647: $currentstring='<subject>';
1.185 albertel 648: &start_output($target);
1.122 albertel 649: }
650: return $currentstring;
651: }
652:
653: sub end_h1 {
1.125 sakharuk 654: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 655: my $currentstring = '';
656: if ($target eq 'web') {
657: $currentstring .= $token->[2];
658: } elsif ($target eq 'tex') {
1.212 sakharuk 659: my $post='\vskip 0 mm ';
1.125 sakharuk 660: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 661: if ($align eq 'center') {
1.125 sakharuk 662: $post='\end{center}';
663: } elsif ($align eq 'left') {
664: $post='} \hfill'.'\vskip 0 mm ';
665: } elsif ($align eq 'right') {
666: $post='}'.'\vskip 0 mm ';
667: }
668: $currentstring .= '}}'.$post;
1.122 albertel 669: } elsif ($target eq 'meta') {
1.185 albertel 670: &end_output($target);
1.122 albertel 671: $currentstring='</subject>';
672: }
673: return $currentstring;
674: }
675:
1.35 sakharuk 676: #-- <h2> tag
1.122 albertel 677: sub start_h2 {
1.125 sakharuk 678: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 679: my $currentstring = '';
680: if ($target eq 'web') {
681: $currentstring .= $token->[4];
682: } elsif ($target eq 'tex') {
1.125 sakharuk 683: my $pre;
684: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 685: if ($align eq 'center') {
1.125 sakharuk 686: $pre='\begin{center}';
687: } elsif ($align eq 'left') {
688: $pre='\rlap{';
689: } elsif ($align eq 'right') {
690: $pre=' \hfill \llap{';
691: }
692: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
693: if (not defined $TeXsize) {$TeXsize="large";}
694: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 695: }
696: return $currentstring;
697: }
698:
699: sub end_h2 {
1.125 sakharuk 700: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 701: my $currentstring = '';
702: if ($target eq 'web') {
703: $currentstring .= $token->[2];
704: } elsif ($target eq 'tex') {
1.212 sakharuk 705: my $post='\vskip 0 mm ';
1.125 sakharuk 706: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 707: if ($align eq 'center') {
1.125 sakharuk 708: $post='\end{center}';
709: } elsif ($align eq 'left') {
710: $post='} \hfill'.'\vskip 0 mm ';
711: } elsif ($align eq 'right') {
712: $post='}'.'\vskip 0 mm ';
713: }
714: $currentstring .= '}}'.$post;
1.122 albertel 715: }
716: return $currentstring;
717: }
718:
1.35 sakharuk 719: #-- <h3> tag
1.122 albertel 720: sub start_h3 {
1.125 sakharuk 721: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 722: my $currentstring = '';
723: if ($target eq 'web') {
724: $currentstring .= $token->[4];
725: } elsif ($target eq 'tex') {
1.125 sakharuk 726: my $pre;
727: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 728: if ($align eq 'center') {
1.125 sakharuk 729: $pre='\begin{center}';
730: } elsif ($align eq 'left') {
731: $pre='\rlap{';
732: } elsif ($align eq 'right') {
733: $pre=' \hfill \llap{';
734: }
735: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
736: if (not defined $TeXsize) {$TeXsize="large";}
737: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 738: }
739: return $currentstring;
740: }
741:
742: sub end_h3 {
1.125 sakharuk 743: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 744: my $currentstring = '';
745: if ($target eq 'web') {
746: $currentstring .= $token->[2];
747: } elsif ($target eq 'tex') {
1.212 sakharuk 748: my $post='\vskip 0 mm ';
1.125 sakharuk 749: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 750: if ($align eq 'center') {
1.125 sakharuk 751: $post='\end{center}';
752: } elsif ($align eq 'left') {
753: $post='} \hfill'.'\vskip 0 mm ';
754: } elsif ($align eq 'right') {
755: $post='}'.'\vskip 0 mm ';
756: }
757: $currentstring .= '}}'.$post;
1.122 albertel 758: }
759: return $currentstring;
760: }
761:
1.35 sakharuk 762: #-- <h4> tag
1.122 albertel 763: sub start_h4 {
1.125 sakharuk 764: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 765: my $currentstring = '';
766: if ($target eq 'web') {
767: $currentstring .= $token->[4];
768: } elsif ($target eq 'tex') {
1.125 sakharuk 769: my $pre;
770: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 771: if ($align eq 'center') {
1.125 sakharuk 772: $pre='\begin{center}';
773: } elsif ($align eq 'left') {
774: $pre='\rlap{';
775: } elsif ($align eq 'right') {
776: $pre=' \hfill \llap{';
777: }
778: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
779: if (not defined $TeXsize) {$TeXsize="large";}
780: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 781: }
782: return $currentstring;
783: }
784:
785: sub end_h4 {
1.125 sakharuk 786: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 787: my $currentstring = '';
788: if ($target eq 'web') {
789: $currentstring .= $token->[2];
790: } elsif ($target eq 'tex') {
1.212 sakharuk 791: my $post='\vskip 0 mm ';
1.125 sakharuk 792: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 793: if ($align eq 'center') {
1.125 sakharuk 794: $post='\end{center}';
795: } elsif ($align eq 'left') {
796: $post='} \hfill'.'\vskip 0 mm ';
797: } elsif ($align eq 'right') {
798: $post='}'.'\vskip 0 mm ';
799: }
800: $currentstring .= '}}'.$post;
1.122 albertel 801: }
802: return $currentstring;
803: }
804:
1.35 sakharuk 805: #-- <h5> tag
1.122 albertel 806: sub start_h5 {
1.125 sakharuk 807: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 808: my $currentstring = '';
809: if ($target eq 'web') {
810: $currentstring .= $token->[4];
811: } elsif ($target eq 'tex') {
1.125 sakharuk 812: my $pre;
813: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 814: if ($align eq 'center') {
1.125 sakharuk 815: $pre='\begin{center}';
816: } elsif ($align eq 'left') {
817: $pre='\rlap{';
818: } elsif ($align eq 'right') {
819: $pre=' \hfill \llap{';
820: }
821: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
822: if (not defined $TeXsize) {$TeXsize="large";}
823: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 824: }
825: return $currentstring;
826: }
827:
828: sub end_h5 {
1.125 sakharuk 829: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 830: my $currentstring = '';
831: if ($target eq 'web') {
832: $currentstring .= $token->[2];
833: } elsif ($target eq 'tex') {
1.212 sakharuk 834: my $post='\vskip 0 mm ';
1.125 sakharuk 835: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 836: if ($align eq 'center') {
1.125 sakharuk 837: $post='\end{center}';
838: } elsif ($align eq 'left') {
839: $post='} \hfill'.'\vskip 0 mm ';
840: } elsif ($align eq 'right') {
841: $post='}'.'\vskip 0 mm ';
842: }
843: $currentstring .= '}}'.$post;
1.122 albertel 844: }
845: return $currentstring;
846: }
847:
1.35 sakharuk 848: #-- <h6> tag
1.122 albertel 849: sub start_h6 {
1.125 sakharuk 850: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 851: my $currentstring = '';
852: if ($target eq 'web') {
853: $currentstring .= $token->[4];
854: } elsif ($target eq 'tex') {
1.125 sakharuk 855: my $pre;
856: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 857: if ($align eq 'center') {
1.125 sakharuk 858: $pre='\begin{center}';
859: } elsif ($align eq 'left') {
860: $pre='\rlap{';
861: } elsif ($align eq 'right') {
862: $pre=' \hfill \llap{';
863: }
864: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
865: if (not defined $TeXsize) {$TeXsize="large";}
866: $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 867: }
868: return $currentstring;
869: }
870:
871: sub end_h6 {
1.125 sakharuk 872: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 873: my $currentstring = '';
874: if ($target eq 'web') {
875: $currentstring .= $token->[2];
876: } elsif ($target eq 'tex') {
1.212 sakharuk 877: my $post='\vskip 0 mm ';
1.125 sakharuk 878: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 879: if ($align eq 'center') {
1.125 sakharuk 880: $post='\end{center}';
881: } elsif ($align eq 'left') {
882: $post='} \hfill'.'\vskip 0 mm ';
883: } elsif ($align eq 'right') {
884: $post='}'.'\vskip 0 mm ';
885: }
886: $currentstring .= '}}'.$post;
1.122 albertel 887: }
888: return $currentstring;
889: }
890:
1.181 sakharuk 891: #--- <cite> tag (end tag required)
1.122 albertel 892: sub start_cite {
893: my ($target,$token) = @_;
894: my $currentstring = '';
895: if ($target eq 'web') {
896: $currentstring .= $token->[4];
897: } elsif ($target eq 'tex') {
1.179 sakharuk 898: $currentstring .= '\textit{';
1.144 sakharuk 899: }
1.122 albertel 900: return $currentstring;
901: }
902:
903: sub end_cite {
904: my ($target,$token) = @_;
905: my $currentstring = '';
906: if ($target eq 'web') {
907: $currentstring .= $token->[2];
908: } elsif ($target eq 'tex') {
1.179 sakharuk 909: $currentstring .= '}';
1.144 sakharuk 910: }
1.122 albertel 911: return $currentstring;
912: }
913:
1.181 sakharuk 914: #-- <i> tag (end tag required)
1.122 albertel 915: sub start_i {
916: my ($target,$token) = @_;
917: my $currentstring = '';
918: if ($target eq 'web') {
919: $currentstring .= $token->[4];
920: } elsif ($target eq 'tex') {
921: $currentstring .= '\textit{';
1.144 sakharuk 922: }
1.122 albertel 923: return $currentstring;
924: }
925:
926: sub end_i {
927: my ($target,$token) = @_;
928: my $currentstring = '';
929: if ($target eq 'web') {
930: $currentstring .= $token->[2];
931: } elsif ($target eq 'tex') {
932: $currentstring .= '}';
933: }
934: return $currentstring;
935: }
936:
1.181 sakharuk 937: #-- <address> tag (end tag required)
1.122 albertel 938: sub start_address {
939: my ($target,$token) = @_;
940: my $currentstring = '';
941: if ($target eq 'web') {
942: $currentstring .= $token->[4];
943: } elsif ($target eq 'tex') {
1.179 sakharuk 944: $currentstring .= '\textit{';
1.144 sakharuk 945: }
1.122 albertel 946: return $currentstring;
947: }
948:
949: sub end_address {
950: my ($target,$token) = @_;
951: my $currentstring = '';
952: if ($target eq 'web') {
953: $currentstring .= $token->[2];
954: } elsif ($target eq 'tex') {
1.179 sakharuk 955: $currentstring .= '}';
1.122 albertel 956: }
957: return $currentstring;
958: }
959:
1.181 sakharuk 960: #-- <dfn> tag (end tag required)
1.122 albertel 961: sub start_dfn {
962: my ($target,$token) = @_;
963: my $currentstring = '';
964: if ($target eq 'web') {
965: $currentstring .= $token->[4];
966: } elsif ($target eq 'tex') {
1.179 sakharuk 967: $currentstring .= '\textit{';
1.122 albertel 968: }
969: return $currentstring;
970: }
971:
972: sub end_dfn {
973: my ($target,$token) = @_;
974: my $currentstring = '';
975: if ($target eq 'web') {
976: $currentstring .= $token->[2];
977: } elsif ($target eq 'tex') {
1.179 sakharuk 978: $currentstring .= '}';
1.144 sakharuk 979: }
1.122 albertel 980: return $currentstring;
981: }
982:
1.181 sakharuk 983: #-- <tt> tag (end tag required)
1.122 albertel 984: sub start_tt {
985: my ($target,$token) = @_;
986: my $currentstring = '';
987: if ($target eq 'web') {
988: $currentstring .= $token->[4];
989: } elsif ($target eq 'tex') {
990: $currentstring .= '\texttt{';
1.144 sakharuk 991: }
1.122 albertel 992: return $currentstring;
993: }
994:
995: sub end_tt {
996: my ($target,$token) = @_;
997: my $currentstring = '';
998: if ($target eq 'web') {
999: $currentstring .= $token->[2];
1000: } elsif ($target eq 'tex') {
1001: $currentstring .= '}';
1002: }
1003: return $currentstring;
1004: }
1005:
1.181 sakharuk 1006: #-- <kbd> tag (end tag required)
1.122 albertel 1007: sub start_kbd {
1008: my ($target,$token) = @_;
1009: my $currentstring = '';
1010: if ($target eq 'web') {
1011: $currentstring .= $token->[4];
1012: } elsif ($target eq 'tex') {
1.179 sakharuk 1013: $currentstring .= '\texttt{';
1.144 sakharuk 1014: }
1.122 albertel 1015: return $currentstring;
1016: }
1017:
1018: sub end_kbd {
1019: my ($target,$token) = @_;
1020: my $currentstring = '';
1021: if ($target eq 'web') {
1022: $currentstring .= $token->[2];
1023: } elsif ($target eq 'tex') {
1.179 sakharuk 1024: $currentstring .= '}';
1.144 sakharuk 1025: }
1.122 albertel 1026: return $currentstring;
1027: }
1028:
1.181 sakharuk 1029: #-- <code> tag (end tag required)
1.122 albertel 1030: sub start_code {
1031: my ($target,$token) = @_;
1032: my $currentstring = '';
1033: if ($target eq 'web') {
1034: $currentstring .= $token->[4];
1035: } elsif ($target eq 'tex') {
1036: $currentstring .= '\texttt{';
1037: }
1038: return $currentstring;
1039: }
1040:
1041: sub end_code {
1042: my ($target,$token) = @_;
1043: my $currentstring = '';
1044: if ($target eq 'web') {
1045: $currentstring .= $token->[2];
1046: } elsif ($target eq 'tex') {
1047: $currentstring .= '}';
1048: }
1049: return $currentstring;
1050: }
1051:
1.181 sakharuk 1052: #-- <em> tag (end tag required)
1.122 albertel 1053: sub start_em {
1054: my ($target,$token) = @_;
1055: my $currentstring = '';
1056: if ($target eq 'web') {
1057: $currentstring .= $token->[4];
1058: } elsif ($target eq 'tex') {
1059: $currentstring .= '\emph{';
1.144 sakharuk 1060: }
1.122 albertel 1061: return $currentstring;
1062: }
1063:
1064: sub end_em {
1065: my ($target,$token) = @_;
1066: my $currentstring = '';
1067: if ($target eq 'web') {
1068: $currentstring .= $token->[2];
1069: } elsif ($target eq 'tex') {
1070: $currentstring .= '}';
1.144 sakharuk 1071: }
1.122 albertel 1072: return $currentstring;
1073: }
1074:
1.181 sakharuk 1075: #-- <q> tag (end tag required)
1.122 albertel 1076: sub start_q {
1077: my ($target,$token) = @_;
1078: my $currentstring = '';
1079: if ($target eq 'web') {
1080: $currentstring .= $token->[4];
1081: } elsif ($target eq 'tex') {
1.179 sakharuk 1082: $currentstring .= '\emph{';
1.122 albertel 1083: }
1084: return $currentstring;
1085: }
1086:
1087: sub end_q {
1088: my ($target,$token) = @_;
1089: my $currentstring = '';
1090: if ($target eq 'web') {
1091: $currentstring .= $token->[2];
1092: } elsif ($target eq 'tex') {
1.179 sakharuk 1093: $currentstring .= '}';
1.144 sakharuk 1094: }
1.122 albertel 1095: return $currentstring;
1096: }
1097:
1.181 sakharuk 1098: #-- <p> tag (end tag optional)
1.198 sakharuk 1099: #optional attribute - align="center|left|right"
1.122 albertel 1100: sub start_p {
1.157 sakharuk 1101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1102: my $currentstring = '';
1103: if ($target eq 'web') {
1104: $currentstring .= $token->[4];
1105: } elsif ($target eq 'tex') {
1.198 sakharuk 1106: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1107: if ($align eq 'center') {
1108: $currentstring='\begin{center}\par';
1109: } elsif ($align eq 'right') {
1110: $currentstring='\makebox['.$ENV{'form.textwidth'}.']{\hfill\llap{';
1111: } elsif ($align eq 'left') {
1112: $currentstring='\noindent\makebox['.$ENV{'form.textwidth'}.']{\rlap{';
1113: }
1114: my $signal=1;#<p> does not work inside <b>...</b>
1115: foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}
1116: if (!$signal) {$currentstring = '';}
1117: }
1.144 sakharuk 1118: }
1.122 albertel 1119: return $currentstring;
1120: }
1121:
1122: sub end_p {
1.198 sakharuk 1123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1124: my $currentstring = '';
1125: if ($target eq 'web') {
1126: $currentstring .= $token->[2];
1.198 sakharuk 1127: } elsif ($target eq 'tex') {
1128: if ($$tagstack[-1] eq 'p') {
1129: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1130: if ($align eq 'center') {
1131: $currentstring .= '\end{center}';
1132: } elsif ($align eq 'right') {
1133: $currentstring .= '}}';
1134: } elsif ($align eq 'left') {
1135: $currentstring .= '}\hfill}';
1136: }
1137: }
1.122 albertel 1138: }
1139: return $currentstring;
1140: }
1141:
1.181 sakharuk 1142: #-- <br> tag (end tag forbidden)
1.122 albertel 1143: sub start_br {
1144: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1145: my $currentstring = '';
1146: if ($target eq 'web') {
1147: $currentstring .= $token->[4];
1148: } elsif ($target eq 'tex') {
1149: if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
1.148 sakharuk 1150: $currentstring .= '\vskip 0.2 mm ';
1.1 sakharuk 1151: }
1.144 sakharuk 1152: }
1.122 albertel 1153: return $currentstring;
1154: }
1155:
1156: sub end_br {
1157: my ($target,$token) = @_;
1158: my $currentstring = '';
1159: if ($target eq 'web') {
1160: $currentstring .= $token->[2];
1161: }
1162: return $currentstring;
1163: }
1164:
1.181 sakharuk 1165: #-- <big> tag (end tag required)
1.122 albertel 1166: sub start_big {
1167: my ($target,$token) = @_;
1168: my $currentstring = '';
1169: if ($target eq 'web') {
1170: $currentstring .= $token->[4];
1171: } elsif ($target eq 'tex') {
1.137 sakharuk 1172: $currentstring .= '{\large ';
1.144 sakharuk 1173: }
1.122 albertel 1174: return $currentstring;
1175: }
1176:
1177: sub end_big {
1178: my ($target,$token) = @_;
1179: my $currentstring = '';
1180: if ($target eq 'web') {
1181: $currentstring .= $token->[2];
1182: } elsif ($target eq 'tex') {
1183: $currentstring .= '}';
1184: }
1185: return $currentstring;
1186: }
1187:
1.181 sakharuk 1188: #-- <small> tag (end tag required)
1.122 albertel 1189: sub start_small {
1190: my ($target,$token) = @_;
1191: my $currentstring = '';
1192: if ($target eq 'web') {
1193: $currentstring .= $token->[4];
1194: } elsif ($target eq 'tex') {
1195: $currentstring .= '{\footnotesize ';
1.144 sakharuk 1196: }
1.122 albertel 1197: return $currentstring;
1198: }
1199:
1200: sub end_small {
1201: my ($target,$token) = @_;
1202: my $currentstring = '';
1203: if ($target eq 'web') {
1204: $currentstring .= $token->[2];
1205: } elsif ($target eq 'tex') {
1206: $currentstring .= '}';
1207: }
1208: return $currentstring;
1209: }
1210:
1.181 sakharuk 1211: #-- <basefont> tag (end tag forbidden)
1.122 albertel 1212: sub start_basefont {
1.126 sakharuk 1213: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.122 albertel 1214: my $currentstring = '';
1215: if ($target eq 'web') {
1216: $currentstring = $token->[4];
1.126 sakharuk 1217: } elsif ($target eq 'tex') {
1218: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1219: if (defined $basesize) {
1220: $currentstring = '{\\'.$basesize.' ';
1221: }
1222: }
1.122 albertel 1223: return $currentstring;
1224: }
1225:
1226: sub end_basefont {
1.126 sakharuk 1227: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1228: my $currentstring = '';
1229: if ($target eq 'web') {
1230: $currentstring = $token->[4];
1.126 sakharuk 1231: } elsif ($target eq 'tex') {
1232: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1233: if (defined $basesize) {
1234: $currentstring = '}';
1235: }
1236: }
1.122 albertel 1237: return $currentstring;
1238: }
1239:
1.181 sakharuk 1240: #-- <font> tag (end tag required)
1.122 albertel 1241: sub start_font {
1242: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1243: my $currentstring = '';
1244: if ($target eq 'web') {
1245: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1.204 albertel 1246: if ($face!~/symbol/i) {
1.155 www 1247: if (($ENV{'browser.fontenhance'} eq 'on') ||
1248: ($ENV{'browser.blackwhite'} eq 'on')) { return ''; }
1249: }
1.122 albertel 1250: $currentstring = $token->[4];
1.126 sakharuk 1251: } elsif ($target eq 'tex') {
1252: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1253: if (defined $fontsize) {
1254: $currentstring = '{\\'.$fontsize.' ';
1255: }
1256: }
1.122 albertel 1257: return $currentstring;
1258: }
1259:
1260: sub end_font {
1261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1262: my $currentstring = '';
1263: if ($target eq 'web') {
1264: $currentstring = $token->[2];
1.126 sakharuk 1265: } elsif ($target eq 'tex') {
1266: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1267: if (defined $fontsize) {
1268: $currentstring = '}';
1269: }
1270: }
1.122 albertel 1271: return $currentstring;
1272: }
1273:
1.181 sakharuk 1274: #-- <strike> tag (end tag required)
1.122 albertel 1275: sub start_strike {
1276: my ($target,$token) = @_;
1277: my $currentstring = '';
1278: if ($target eq 'web') {
1279: $currentstring .= $token->[4];
1280: } elsif ($target eq 'tex') {
1281: &Apache::lonxml::startredirection();
1282: }
1283: return $currentstring;
1284: }
1285:
1286: sub end_strike {
1287: my ($target,$token) = @_;
1288: my $currentstring = '';
1289: if ($target eq 'web') {
1290: $currentstring .= $token->[2];
1291: } elsif ($target eq 'tex') {
1292: $currentstring=&Apache::lonxml::endredirection();
1293: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1294: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1295: $currentstring=~s/(\S)\s*$/$1\}/;
1296: }
1297: return $currentstring;
1298: }
1299:
1.181 sakharuk 1300: #-- <s> tag (end tag required)
1.122 albertel 1301: sub start_s {
1302: my ($target,$token) = @_;
1303: my $currentstring = '';
1304: if ($target eq 'web') {
1305: $currentstring .= $token->[4];
1306: } elsif ($target eq 'tex') {
1307: &Apache::lonxml::startredirection();
1308: }
1309: return $currentstring;
1310: }
1311:
1312: sub end_s {
1313: my ($target,$token) = @_;
1314: my $currentstring = '';
1315: if ($target eq 'web') {
1316: $currentstring .= $token->[2];
1317: } elsif ($target eq 'tex') {
1318: $currentstring=&Apache::lonxml::endredirection();
1319: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1320: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1321: $currentstring=~s/(\S)\s*$/$1\}/;
1322: }
1323: return $currentstring;
1324: }
1325:
1.181 sakharuk 1326: #-- <sub> tag (end tag required)
1.122 albertel 1327: sub start_sub {
1328: my ($target,$token) = @_;
1329: my $currentstring = '';
1330: if ($target eq 'web') {
1331: $currentstring .= $token->[4];
1332: } elsif ($target eq 'tex') {
1.202 sakharuk 1333: $currentstring .= '\ensuremath{_{';
1.122 albertel 1334: }
1335: return $currentstring;
1336: }
1337:
1338: sub end_sub {
1339: my ($target,$token) = @_;
1340: my $currentstring = '';
1341: if ($target eq 'web') {
1342: $currentstring .= $token->[2];
1343: } elsif ($target eq 'tex') {
1.202 sakharuk 1344: $currentstring .= '}}';
1.122 albertel 1345: }
1346: return $currentstring;
1347: }
1348:
1.181 sakharuk 1349: #-- <sup> tag (end tag required)
1.122 albertel 1350: sub start_sup {
1351: my ($target,$token) = @_;
1352: my $currentstring = '';
1353: if ($target eq 'web') {
1354: $currentstring .= $token->[4];
1355: } elsif ($target eq 'tex') {
1.202 sakharuk 1356: $currentstring .= '\ensuremath{^{';
1.122 albertel 1357: }
1358: return $currentstring;
1359: }
1360:
1361: sub end_sup {
1362: my ($target,$token) = @_;
1363: my $currentstring = '';
1364: if ($target eq 'web') {
1365: $currentstring .= $token->[2];
1366: } elsif ($target eq 'tex') {
1.202 sakharuk 1367: $currentstring .= '}}';
1.122 albertel 1368: }
1369: return $currentstring;
1370: }
1371:
1.181 sakharuk 1372: #-- <hr> tag (end tag forbidden)
1.122 albertel 1373: sub start_hr {
1.124 sakharuk 1374: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1375: my $currentstring = '';
1376: if ($target eq 'web') {
1377: $currentstring .= $token->[4];
1378: } elsif ($target eq 'tex') {
1.149 sakharuk 1379: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.124 sakharuk 1380: if (defined $LaTeXwidth) {
1381: if ($LaTeXwidth=~/^%/) {
1382: substr($LaTeXwidth,0,1)='';
1383: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1384: }
1385: } else {
1.148 sakharuk 1386: $LaTeXwidth ='0.9\textwidth';
1.124 sakharuk 1387: }
1388: my ($pre,$post);
1389: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1390: if (($align eq 'center') || (not defined $align)) {
1391: $pre=''; $post='';
1392: } elsif ($align eq 'left') {
1393: $pre='\rlap{'; $post='} \hfill';
1394: } elsif ($align eq 'right') {
1395: $pre=' \hfill \llap{'; $post='}';
1396: }
1.148 sakharuk 1397: $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
1.124 sakharuk 1398: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1.122 albertel 1399: }
1400: return $currentstring;
1401: }
1402:
1403: sub end_hr {
1404: my ($target,$token) = @_;
1405: my $currentstring = '';
1406: if ($target eq 'web') {
1407: $currentstring .= $token->[2];
1.148 sakharuk 1408: }
1.122 albertel 1409: return $currentstring;
1410: }
1411:
1.181 sakharuk 1412: #-- <div> tag (end tag required)
1.122 albertel 1413: sub start_div {
1414: my ($target,$token) = @_;
1415: my $currentstring = '';
1416: if ($target eq 'web') {
1417: $currentstring .= $token->[4];
1418: }
1419: return $currentstring;
1420: }
1421:
1422: sub end_div {
1423: my ($target,$token) = @_;
1424: my $currentstring = '';
1425: if ($target eq 'web') {
1426: $currentstring .= $token->[2];
1427: }
1428: return $currentstring;
1429: }
1430:
1.181 sakharuk 1431: #-- <a> tag (end tag required)
1.122 albertel 1432: sub start_a {
1.149 sakharuk 1433: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1434: my $currentstring = '';
1435: if ($target eq 'web') {
1436: $currentstring .= $token->[4];
1437: } elsif ($target eq 'tex') {
1.149 sakharuk 1438: my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
1.161 sakharuk 1439: my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
1440: if ($a=~/\S/) {
1441: $a=~s/([^\\])%/$1\\\%/g;
1442: $currentstring .= '\ref{URI: '.$a.'}';
1443: } elsif ($b=~/\S/) {
1444: $currentstring .= '\ref{Anchor: '.$b.'}';
1445: } else {
1446: $currentstring.='';
1447: }
1.122 albertel 1448: }
1449: return $currentstring;
1450: }
1451:
1452: sub end_a {
1.168 albertel 1453: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1454: my $currentstring = '';
1455: if ($target eq 'web') {
1456: $currentstring .= $token->[2];
1457: }
1458: return $currentstring;
1459: }
1460:
1.181 sakharuk 1461: #-- <li> tag (end tag optional)
1.122 albertel 1462: sub start_li {
1.168 albertel 1463: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1464: my $currentstring = '';
1465: if ($target eq 'web') {
1466: $currentstring = $token->[4];
1467: } elsif ($target eq 'tex') {
1.146 sakharuk 1468: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,1);
1469: if ($type=~/circle/) {
1470: $currentstring .= ' \item[o] ';
1471: } elsif ($type=~/square/) {
1472: $currentstring .= ' \item[$\Box$] ';
1473: } elsif ($type ne '') {
1474: $currentstring .= ' \item['.$type.'] ';
1.122 albertel 1475: } else {
1.146 sakharuk 1476: $currentstring .= ' \item ';
1.122 albertel 1477: }
1478: }
1479: return $currentstring;
1480: }
1481:
1482: sub end_li {
1483: my ($target,$token) = @_;
1484: my $currentstring = '';
1485: if ($target eq 'web') {
1486: $currentstring = $token->[2];
1487: }
1488: return $currentstring;
1489: }
1490:
1.181 sakharuk 1491: #-- <u> tag (end tag required)
1.122 albertel 1492: sub start_u {
1493: my ($target,$token) = @_;
1494: my $currentstring = '';
1495: if ($target eq 'web') {
1496: $currentstring .= $token->[4];
1497: } elsif ($target eq 'tex') {
1498: &Apache::lonxml::startredirection();
1499: }
1500: return $currentstring;
1501: }
1502:
1503: sub end_u {
1504: my ($target,$token) = @_;
1505: my $currentstring = '';
1506: if ($target eq 'web') {
1507: $currentstring .= $token->[2];
1508: } elsif ($target eq 'tex') {
1509: $currentstring=&Apache::lonxml::endredirection();
1510: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1511: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1512: $currentstring=~s/(\S)\s*$/$1\}/;
1513: }
1514: return $currentstring;
1515: }
1516:
1.181 sakharuk 1517: #-- <ul> tag (end tag required)
1.122 albertel 1518: sub start_ul {
1.125 sakharuk 1519: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1520: my $currentstring = '';
1521: if ($target eq 'web') {
1522: $currentstring = $token->[4];
1523: } elsif ($target eq 'tex') {
1.125 sakharuk 1524: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1525: if ($TeXtype eq 'disc') {
1526: $currentstring .= ' \renewcommand{\labelitemi}{$\bullet$}
1527: \renewcommand{\labelitemii}{$\bullet$}
1528: \renewcommand{\labelitemiii}{$\bullet$}
1529: \renewcommand{\labelitemiv}{$\bullet$}';
1530: } elsif ($TeXtype eq 'circle') {
1531: $currentstring .= ' \renewcommand{\labelitemi}{$\circ$}
1532: \renewcommand{\labelitemii}{$\circ$}
1533: \renewcommand{\labelitemiii}{$\circ$}
1534: \renewcommand{\labelitemiv}{$\circ$}';
1535: } elsif ($TeXtype eq 'square') {
1536: $currentstring .= ' \renewcommand{\labelitemi}{$\diamond$}
1537: \renewcommand{\labelitemii}{$\diamond$}
1538: \renewcommand{\labelitemiii}{$\diamond$}
1539: \renewcommand{\labelitemiv}{$\diamond$}';
1540: }
1541: $currentstring .= '\begin{itemize}';
1.122 albertel 1542: }
1543: return $currentstring;
1544: }
1545:
1546: sub end_ul {
1547: my ($target,$token) = @_;
1548: my $currentstring = '';
1549: if ($target eq 'web') {
1550: $currentstring = $token->[2];
1551: } elsif ($target eq 'tex') {
1.125 sakharuk 1552: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}
1553: \renewcommand{\labelitemii}{$\bullet$}
1554: \renewcommand{\labelitemiii}{$\bullet$}
1555: \renewcommand{\labelitemiv}{$\bullet$}';
1.122 albertel 1556: }
1557: return $currentstring;
1558: }
1559:
1.181 sakharuk 1560: #-- <menu> tag (end tag required)
1.122 albertel 1561: sub start_menu {
1562: my ($target,$token) = @_;
1563: my $currentstring = '';
1564: if ($target eq 'web') {
1565: $currentstring = $token->[4];
1566: } elsif ($target eq 'tex') {
1567: $currentstring = " \\begin{itemize} ";
1568: }
1569: return $currentstring;
1570: }
1571:
1572: sub end_menu {
1573: my ($target,$token) = @_;
1574: my $currentstring = '';
1575: if ($target eq 'web') {
1576: $currentstring = $token->[2];
1577: } elsif ($target eq 'tex') {
1578: $currentstring = " \\end{itemize}";
1579: }
1580: return $currentstring;
1581: }
1582:
1.181 sakharuk 1583: #-- <dir> tag (end tag required)
1.122 albertel 1584: sub start_dir {
1585: my ($target,$token) = @_;
1586: my $currentstring = '';
1587: if ($target eq 'web') {
1588: $currentstring = $token->[4];
1589: } elsif ($target eq 'tex') {
1590: $currentstring = " \\begin{itemize} ";
1591: }
1592: return $currentstring;
1593: }
1594:
1595: sub end_dir {
1596: my ($target,$token) = @_;
1597: my $currentstring = '';
1598: if ($target eq 'web') {
1599: $currentstring = $token->[2];
1600: } elsif ($target eq 'tex') {
1601: $currentstring = " \\end{itemize}";
1602: }
1603: return $currentstring;
1604: }
1605:
1.181 sakharuk 1606: #-- <ol> tag (end tag required)
1.122 albertel 1607: sub start_ol {
1.125 sakharuk 1608: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1609: my $currentstring = '';
1610: if ($target eq 'web') {
1611: $currentstring = $token->[4];
1612: } elsif ($target eq 'tex') {
1.125 sakharuk 1613: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1614: if ($type eq '1') {
1615: $currentstring .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}
1616: \renewcommand{\labelenumii}{\arabic{enumii}.}
1617: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1618: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1619: } elsif ($type eq 'A') {
1620: $currentstring .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
1621: \renewcommand{\labelenumii}{\Alph{enumii}.}
1622: \renewcommand{\labelenumiii}{\Alph{enumiii}.}
1623: \renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1624: } elsif ($type eq 'a') {
1625: $currentstring .= ' \renewcommand{\labelenumi}{\alph{enumi}.}
1626: \renewcommand{\labelenumii}{\alph{enumii}.}
1627: \renewcommand{\labelenumiii}{\alph{enumiii}.}
1628: \renewcommand{\labelenumiv}{\alph{enumiv}.} ';
1629: } elsif ($type eq 'i') {
1630: $currentstring .= ' \renewcommand{\labelenumi}{\roman{enumi}.}
1631: \renewcommand{\labelenumii}{\roman{enumii}.}
1632: \renewcommand{\labelenumiii}{\roman{enumiii}.}
1633: \renewcommand{\labelenumiv}{\roman{enumiv}.} ';
1634: } elsif ($type eq 'I') {
1635: $currentstring .= ' \renewcommand{\labelenumi}{\Roman{enumi}.}
1636: \renewcommand{\labelenumii}{\Roman{enumii}.}
1637: \renewcommand{\labelenumiii}{\Roman{enumiii}.}
1638: \renewcommand{\labelenumiv}{\Roman{enumiv}.} ';
1639: }
1640: $currentstring .= '\begin{enumerate}';
1.122 albertel 1641: }
1642: return $currentstring;
1643: }
1644:
1645: sub end_ol {
1646: my ($target,$token) = @_;
1647: my $currentstring = '';
1648: if ($target eq 'web') {
1649: $currentstring = $token->[2];
1650: } elsif ($target eq 'tex') {
1.125 sakharuk 1651: $currentstring = '\end{enumerate} \renewcommand{\labelenumi}{\arabic{enumi}.}
1652: \renewcommand{\labelenumii}{\arabic{enumii}.}
1653: \renewcommand{\labelenumiii}{\arabic{enumiii}.}
1654: \renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1.122 albertel 1655: }
1656: return $currentstring;
1657: }
1658:
1.181 sakharuk 1659: #-- <dl> tag (end tag required)
1.122 albertel 1660: sub start_dl {
1661: my ($target,$token) = @_;
1662: my $currentstring = '';
1663: if ($target eq 'web') {
1664: $currentstring = $token->[4];
1665: } elsif ($target eq 'tex') {
1.174 sakharuk 1666: $currentstring = '\begin{description}';
1667: @Apache::londefdef::description=();
1668: $Apache::londefdef::DD_redirection=0;
1669: $Apache::londefdef::DT_redirection=0;
1.122 albertel 1670: }
1671: return $currentstring;
1672: }
1673:
1674: sub end_dl {
1.174 sakharuk 1675: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1676: my $currentstring = '';
1677: if ($target eq 'web') {
1678: $currentstring = $token->[2];
1679: } elsif ($target eq 'tex') {
1.174 sakharuk 1680: if ($Apache::londefdef::DT_redirection) {
1681: my $data=&item_cleanup;
1682: push @Apache::londefdef::description,'\item['.$data.']';
1683: $Apache::londefdef::DT_redirection=0;
1684: } elsif ($Apache::londefdef::DD_redirection) {
1685: $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
1686: }
1687: foreach my $element (@Apache::londefdef::description) {
1688: $currentstring.=' '.$element.' ';
1689: }
1690: @Apache::londefdef::description=();
1691: $currentstring.='\end{description}';
1.122 albertel 1692: }
1693: return $currentstring;
1694: }
1695:
1.172 sakharuk 1696: #-- <dt> tag (end tag optional)
1.122 albertel 1697: sub start_dt {
1.172 sakharuk 1698: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1699: my $currentstring='';
1.122 albertel 1700: if ($target eq 'web') {
1701: $currentstring = $token->[4];
1702: } elsif ($target eq 'tex') {
1.174 sakharuk 1703: if ($Apache::londefdef::DT_redirection) {
1704: my $data=&item_cleanup;
1705: push @Apache::londefdef::description,'\item['.$data.']';
1706: $Apache::londefdef::DT_redirection=0;
1707: } elsif ($Apache::londefdef::DD_redirection) {
1708: $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
1709: $Apache::londefdef::DD_redirection=0;
1710: }
1711: &Apache::lonxml::startredirection();
1712: $Apache::londefdef::DT_redirection=1;
1.122 albertel 1713: }
1714: return $currentstring;
1715: }
1716:
1717: sub end_dt {
1.172 sakharuk 1718: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1719: my $currentstring = '';
1720: if ($target eq 'web') {
1721: $currentstring = $token->[2];
1722: } elsif ($target eq 'tex') {
1.173 sakharuk 1723: my $data=&item_cleanup;
1.174 sakharuk 1724: push @Apache::londefdef::description,'\item['.$data.']';
1725: $Apache::londefdef::DT_redirection=0;
1.122 albertel 1726: }
1727: return $currentstring;
1728: }
1729:
1.173 sakharuk 1730: sub item_cleanup {
1.174 sakharuk 1731: my $item=&Apache::lonxml::endredirection();
1.173 sakharuk 1732: $item=~s/\\begin{center}//g;
1733: $item=~s/\\end{center}//g;
1734: return $item;
1735: }
1736:
1.181 sakharuk 1737: #-- <dd> tag (end tag optional)
1.122 albertel 1738: sub start_dd {
1.147 sakharuk 1739: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1740: my $currentstring = '';
1741: if ($target eq 'web') {
1742: $currentstring = $token->[4];
1.147 sakharuk 1743: } elsif ($target eq 'tex') {
1.174 sakharuk 1744: if ($Apache::londefdef::DT_redirection) {
1.173 sakharuk 1745: my $data=&item_cleanup;
1.174 sakharuk 1746: push @Apache::londefdef::description,'\item['.$data.']';
1747: $Apache::londefdef::DT_redirection=0;
1.147 sakharuk 1748: }
1.174 sakharuk 1749: $Apache::londefdef::DD_redirection=1;
1750: &Apache::lonxml::startredirection();
1.122 albertel 1751: }
1752: return $currentstring;
1753: }
1754:
1755: sub end_dd {
1.174 sakharuk 1756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1757: my $currentstring = '';
1758: if ($target eq 'web') {
1759: $currentstring = $token->[2];
1.174 sakharuk 1760: } elsif ($target eq 'tex') {
1761: $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
1762: $Apache::londefdef::DD_redirection=0;
1763: }
1.122 albertel 1764: return $currentstring;
1765: }
1766:
1.181 sakharuk 1767: #-- <table> tag (end tag required)
1.206 sakharuk 1768: #list of supported attributes: border,width,TeXwidth
1.91 sakharuk 1769: sub start_table {
1770: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.206 sakharuk 1771: my ($textwidth,$currentstring)=('','');
1.91 sakharuk 1772: if ($target eq 'web') {
1773: $currentstring = $token->[4];
1774: } elsif ($target eq 'tex') {
1775: my $aa = {};
1776: push @Apache::londefdef::table, $aa;
1777: $Apache::londefdef::table[-1]{'row_number'} = -1;
1.206 sakharuk 1778: #table's width
1779: #default coincides with text line length
1780: if ($#Apache::londefdef::table==0) {
1781: $textwidth=&recalc($ENV{'form.textwidth'}); #result is always in mm
1782: $textwidth=~/(\d+\.?\d*)/;
1783: $textwidth=0.95*$1; #accounts "internal" LaTeX space for table frame
1784: } else {
1785: if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
1786: #the maximum width of nested table is determined by LATeX width of parent cell
1787: $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}];
1788: } else {
1789: #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly
1790: my $textwidth=$Apache::londefdef::table[-2]{'width'};
1791: for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) {
1792: $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i];
1793: }
1794: }
1795: }
1.126 sakharuk 1796: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1797: if (not defined $TeXwidth) {
1798: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
1799: if ($htmlwidth=~/%/) {
1.203 sakharuk 1800: $Apache::londefdef::table[-1]{'percent'}=1;
1.126 sakharuk 1801: $htmlwidth=~/(\d+)/;
1.203 sakharuk 1802: $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;;
1.126 sakharuk 1803: } else {
1804: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1805: }
1806: } elsif ($TeXwidth=~/%/) {
1.203 sakharuk 1807: $Apache::londefdef::table[-1]{'percent'}=1;
1.126 sakharuk 1808: $TeXwidth=~/(\d+)/;
1.206 sakharuk 1809: $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
1.126 sakharuk 1810: } else {
1.206 sakharuk 1811: $Apache::londefdef::table[-1]{'width'}=$TeXwidth;
1.126 sakharuk 1812: }
1813: #table's border
1.206 sakharuk 1814: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
1.208 sakharuk 1815: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.91 sakharuk 1816: unless (defined $border) { $border = 0; }
1817: if ($border) {
1818: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1819: $Apache::londefdef::table[-1]{'vinc'} = '&';
1820: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1821: } else {
1822: $Apache::londefdef::table[-1]{'hinc'} = '';
1823: $Apache::londefdef::table[-1]{'vinc'} = '&';
1824: $Apache::londefdef::table[-1]{'vvinc'} = '';
1825: }
1.206 sakharuk 1826: if ($#Apache::londefdef::table==0) {
1.207 sakharuk 1827: $Apache::londefdef::table[-1]{'output'}='\newline\setlength{\tabcolsep}{1 mm}';
1.206 sakharuk 1828: }
1829: $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} ';
1830: $Apache::londefdef::table[-1]{'TeXlen'}=[];
1831: $Apache::londefdef::table[-1]{'objectlen'}=[];
1832: $Apache::londefdef::table[-1]{'maxlen'}=[];
1833: $Apache::londefdef::table[-1]{'minlen'}=[];
1834: $Apache::londefdef::table[-1]{'content'}=[];
1835: $Apache::londefdef::table[-1]{'align'}=[];
1836: $currentstring='\keephidden{NEW TABLE ENTRY}';
1837: }
1.91 sakharuk 1838: return $currentstring;
1839: }
1.122 albertel 1840:
1841: sub end_table {
1842: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1843: my $currentstring = '';
1844: if ($target eq 'web') {
1845: $currentstring = $token->[2];
1846: } elsif ($target eq 'tex') {
1847: my $inmemory = '';
1848: my $output = '';
1.206 sakharuk 1849: my $WARNING='';
1850: #width of columns from TeXwidth attributes
1851: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1852: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1853: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
1854: $Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]=$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn];
1855: }
1856: }
1857: }
1858: #free space and number of empty columns
1859: my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0);
1860: ## &Apache::lonnet::logthis("Available space $Apache::londefdef::table[-1]{'width'}");
1861: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1862: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) {
1863: $empty_columns++;
1864: } else {
1865: $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];
1866: }
1867: }
1868: #boundaries for contents columns
1869: my @min_len=();#columns can not be narrower
1870: my @max_len=();#maximum length of column
1871: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1872: my ($localmin,$localmax)=(0,0);
1873: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1874: if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {
1875: $localmin=$Apache::londefdef::table[-1]{'minlen'}[$in][$jn];
1876: }
1877: if ($localmax<$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]) {
1878: $localmax=$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn];
1879: }
1880: }
1881: push @min_len, $localmin;
1882: push @max_len, $localmax;
1.122 albertel 1883: }
1.206 sakharuk 1884: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1885: my $localmin=0,;
1886: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1887: if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {
1888: $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn];
1889: }
1890: }
1891: if ($max_len[$jn]<$localmin) {$max_len[$jn]=$localmin;}#object size is bigger
1892: if ($min_len[$jn]<$localmin) {$min_len[$jn]=$localmin;}#object size is bigger
1893: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) {
1894: $min_len[$jn]=0;
1895: $max_len[$jn]=0;
1896: }
1897: }
1898: #final adjustment of column width
1899: my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array
1900: my @adjust=();
1901: #step 1. adjustment by maximum value
1902: my $space_neeeded=0;
1903: for (my $jn=0;$jn<=$#max_len;$jn++) {
1904: $space_neeeded=$space_neeeded+$max_len[$jn];
1905: }
1906: if ($space_neeeded<=$available_space) {
1907: for (my $jn=0;$jn<=$#max_len;$jn++) {
1908: if ($fwidth[$jn]==0) {
1909: $fwidth[$jn]=$max_len[$jn];
1.53 sakharuk 1910: }
1.51 sakharuk 1911: }
1.206 sakharuk 1912: } else {
1913: #step 2. adjustment by minimum value (estimation)
1914: $space_neeeded=0;
1915: for (my $jn=0;$jn<=$#min_len;$jn++) {
1916: $space_neeeded+=$min_len[$jn];
1917: }
1918: if ($space_neeeded>$available_space) {
1919: $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';
1920: for (my $jn=0;$jn<=$#max_len;$jn++) {
1921: if ($fwidth[$jn]==0) {
1922: $fwidth[$jn]=$min_len[$jn];
1923: }
1924: }
1925: } else {
1926: #step 3. adjustment over minimal + corrections
1927: my $enlarge_coef=$available_space/$space_neeeded;
1928: my $acsessive=0;
1929: for (my $jn=0;$jn<=$#min_len;$jn++) {
1930: $adjust[$jn]=$min_len[$jn]*$enlarge_coef;
1931: if ($adjust[$jn]>$max_len[$jn]) {
1932: $fwidth[$jn]=$max_len[$jn];
1933: $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];
1934: $adjust[$jn]=0;
1935: }
1936: }
1937: if ($acsessive>0) {
1938: #we have an excess of space and can redistribute it
1939: my $notempty_columns=0;
1940: for (my $jn=0;$jn<=$#min_len;$jn++) {
1941: if ($adjust[$jn]!=0) {
1942: $notempty_columns++;
1943: }
1944: }
1945: my $per_column=$acsessive/$notempty_columns;
1946: for (my $jn=0;$jn<=$#min_len;$jn++) {
1947: if ($adjust[$jn]!=0) {
1948: $adjust[$jn]+=$per_column;
1949: $fwidth[$jn]=$adjust[$jn];
1950: }
1951: }
1952: }
1.203 sakharuk 1953: }
1954: }
1955: #recalculation for the use of all available width if width is defined in %
1956: if ($Apache::londefdef::table[-1]{'percent'}==1) {
1957: my $current=0;
1.206 sakharuk 1958: for (my $i=0;$i<=$#fwidth;$i++) {
1959: $current+=$fwidth[$i];
1.203 sakharuk 1960: }
1961: my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
1.206 sakharuk 1962: for (my $i=0;$i<=$#fwidth;$i++) {
1963: $fwidth[$i]*=$coef;
1964: }
1965: }
1966: #removing of empty columns if allowed
1.208 sakharuk 1967: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.206 sakharuk 1968: if ($permission eq 'yes') {
1969: my @cleaned_table=();
1970: my @cleaned_header=();
1971: my $colind=0;
1972: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1973: if ($fwidth[$jn]!=0) {
1974: #we need to copy column
1975: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1976: $cleaned_table[$in][$colind]=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
1977: $cleaned_header[$colind]=$fwidth[$jn];
1978: }
1979: $colind++;
1980: }
1.122 albertel 1981: }
1.206 sakharuk 1982: $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
1983: @fwidth=@cleaned_header;
1.122 albertel 1984: }
1.206 sakharuk 1985: #construct header of the table
1986: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
1987: for (my $in=0;$in<=$#fwidth;$in++) {
1988: $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};
1989: }
1990: $header_of_table .= '}';
1.126 sakharuk 1991: #fill the table
1992: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1.206 sakharuk 1993: for (my $jn=0;$jn<=$#fwidth;$jn++) {
1994: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1995: $output.='\begin{center}';
1996: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
1997: $output.=' \hfill \llap{'
1998: }
1999: $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
2000: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
2001: $output.='\end{center}';
2002: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
2003: $output.='} ';
2004: }
2005: if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};}
2006: }
2007: $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
1.122 albertel 2008: }
1.206 sakharuk 2009: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\vskip 0 mm ';
1.127 sakharuk 2010: if ($#Apache::londefdef::table > 0) {
2011: my $inmemory = $Apache::londefdef::table[-1]{'output'};
2012: pop @Apache::londefdef::table;
1.129 sakharuk 2013: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1.127 sakharuk 2014: } else {
2015: $currentstring .= $Apache::londefdef::table[-1]{'output'};
2016: pop @Apache::londefdef::table;
1.143 sakharuk 2017: undef @Apache::londefdef::table;
1.127 sakharuk 2018: }
1.122 albertel 2019: }
2020: return $currentstring;
2021: }
2022:
1.166 sakharuk 2023: #-- <tr> tag (end tag optional)
1.122 albertel 2024: sub start_tr {
2025: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2026: my $currentstring = '';
2027: if ($target eq 'web') {
2028: $currentstring = $token->[4];
2029: } elsif ($target eq 'tex') {
2030: $Apache::londefdef::table[-1]{'row_number'}++;
1.206 sakharuk 2031: my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.122 albertel 2032: if ($alignchar ne '') {
1.206 sakharuk 2033: push @ {$Apache::londefdef::table[-1]{'rows'} },substr($alignchar,0,1);
1.122 albertel 2034: } else {
2035: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
2036: }
2037: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
2038: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1.206 sakharuk 2039: push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
2040: push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
2041: push @ {$Apache::londefdef::table[-1]{'minlen'}}, [];
2042: push @ {$Apache::londefdef::table[-1]{'maxlen'}}, [];
2043: push @ {$Apache::londefdef::table[-1]{'content'}}, [];
1.122 albertel 2044: }
2045: return $currentstring;
2046: }
2047:
2048: sub end_tr {
1.160 sakharuk 2049: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2050: my $currentstring = '';
2051: if ($target eq 'web') {
2052: $currentstring = $token->[2];
2053: } elsif ($target eq 'tex') {
1.160 sakharuk 2054: if ($Apache::londefdef::TD_redirection) {
2055: &end_td_tex($parstack,$parser,$safeeval);
2056: }
1.122 albertel 2057: }
2058: return $currentstring;
2059: }
2060:
1.166 sakharuk 2061: #-- <td> tag (end tag optional)
1.122 albertel 2062: sub start_td {
2063: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2064: my $currentstring = '';
2065: if ($target eq 'web') {
2066: $currentstring = $token->[4];
2067: } elsif ($target eq 'tex') {
1.160 sakharuk 2068: $Apache::londefdef::TD_redirection = 1;
1.159 sakharuk 2069: &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2070: }
2071: return $currentstring;
2072: }
1.159 sakharuk 2073:
2074: sub tag_check {
2075: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
1.160 sakharuk 2076: my @ar=@$parstack;
2077: for (my $i=$#ar-1;$i>=0;$i--) {
2078: if (lc($$tagstack[$i]) eq $good_tag) {
2079: &start_td_tex($parstack,$parser,$safeeval);
2080: last;
2081: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2082: splice @ar, $i+1;
2083: &end_td_tex(\@ar,$parser,$safeeval);
2084: &start_td_tex($parstack,$parser,$safeeval);
2085: last;
1.159 sakharuk 2086: }
1.160 sakharuk 2087: }
1.159 sakharuk 2088: return '';
2089: }
2090:
2091: sub start_td_tex {
2092: my ($parstack,$parser,$safeeval) = @_;
1.206 sakharuk 2093: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2094: if ($alignchar eq '') {
2095: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
1.159 sakharuk 2096: }
1.206 sakharuk 2097: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
1.159 sakharuk 2098: $Apache::londefdef::table[-1]{'counter_columns'}++;
1.206 sakharuk 2099: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2100: if (defined $TeXwidth) {
2101: my $current_length=&recalc($TeXwidth);
2102: $current_length=~/(\d+\.?\d*)/;
2103: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2104: }
1.159 sakharuk 2105: &Apache::lonxml::startredirection();
2106: return '';
2107: }
2108:
2109: sub end_td_tex {
2110: my ($parstack,$parser,$safeeval) = @_;
2111: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2112: my $data=&Apache::lonxml::endredirection();
2113: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2114: if (defined $TeXwidth) {
1.206 sakharuk 2115: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2116: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2117: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
1.159 sakharuk 2118: } else {
1.206 sakharuk 2119: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2120: my $garbage_data=$data;
2121: my $fwidth=0;
2122: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2123: my $current_length=&recalc($1);
2124: $current_length=~/(\d+\.?\d*)/;
2125: if ($fwidth<$1) {$fwidth=$1;}
2126: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2127: }
2128: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2129: my $current_length=$1;
2130: if ($fwidth<$current_length) {$fwidth=$current_length;}
2131: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2132: }
2133: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2134: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2135: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2136: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
1.159 sakharuk 2137: } else {
1.166 sakharuk 2138: $data=~s/^\s+(\S.*)/$1/;
1.159 sakharuk 2139: $data=~s/(.*\S)\s+$/$1/;
1.166 sakharuk 2140: $data=~s/(\s)+/$1/;
1.206 sakharuk 2141: my ($current_length,$min_length)=(0,0);
1.166 sakharuk 2142: if ($data=~/\\vskip/) {
2143: my $newdata=$data;
2144: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2145: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2146: foreach my $elementdata (@newdata) {
1.206 sakharuk 2147: my $lengthnewdata=2.5*&LATEX_length($elementdata);
1.166 sakharuk 2148: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
1.206 sakharuk 2149: my @words=split(/ /,$elementdata);
2150: foreach my $word (@words) {
2151: my $lengthword=2.5*&LATEX_length($word);
2152: if ($min_length<$lengthword) {$min_length=$lengthword;}
2153: }
1.166 sakharuk 2154: }
2155: } else {
1.206 sakharuk 2156: $current_length=2.5*&LATEX_length($data);
2157: my @words=split(/ /,$data);
2158: foreach my $word (@words) {
2159: my $lengthword=2.5*&LATEX_length($word);
2160: if ($min_length<$lengthword) {$min_length=$lengthword;}
2161: }
1.166 sakharuk 2162: }
1.206 sakharuk 2163: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2164: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2165: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2166: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
1.159 sakharuk 2167: }
2168: }
2169: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
2170: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2171: }
1.206 sakharuk 2172: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.159 sakharuk 2173: return'';
2174: }
2175:
1.122 albertel 2176: sub end_td {
1.126 sakharuk 2177: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2178: my $currentstring = '';
2179: if ($target eq 'web') {
2180: $currentstring = $token->[2];
2181: } elsif ($target eq 'tex') {
1.160 sakharuk 2182: $Apache::londefdef::TD_redirection =0;
1.159 sakharuk 2183: &end_td_tex($parstack,$parser,$safeeval);
1.122 albertel 2184: }
2185: return $currentstring;
2186: }
2187:
1.166 sakharuk 2188: #-- <th> tag (end tag optional)
1.122 albertel 2189: sub start_th {
2190: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2191: my $currentstring = '';
2192: if ($target eq 'web') {
2193: $currentstring = $token->[4];
2194: } elsif ($target eq 'tex') {
2195: my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2196: if ($what_to_push eq '') {
2197: $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
2198: }
2199: push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
2200: $Apache::londefdef::table[-1]{'counter_columns'}++;
2201: &Apache::lonxml::startredirection();
2202: }
2203: return $currentstring;
1.130 sakharuk 2204: }
2205:
1.122 albertel 2206: sub end_th {
1.130 sakharuk 2207: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2208: my $currentstring = '';
2209: if ($target eq 'web') {
2210: $currentstring = $token->[2];
2211: } elsif ($target eq 'tex') {
2212: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2213: my $data=&Apache::lonxml::endredirection();
1.130 sakharuk 2214: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2215: if (defined $TeXwidth) {
2216: my $current_length=&recalc($TeXwidth);
2217: $current_length=~/(\d+)/;
2218: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
2219: $Apache::londefdef::table[-1]{'length'} .= '0,';
1.122 albertel 2220: } else {
1.130 sakharuk 2221: if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2222: my $current_length=&recalc($1);
2223: $current_length=~/(\d+)/;
2224: $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
2225: $Apache::londefdef::table[-1]{'length'} .= '0,';
2226: } else {
2227: $data=~/^\s*(\S.*)/;
2228: $data=$1;
2229: $data=~/(.*\S)\s*$/;
2230: $data=$1;
2231: my $current_length=2*length($data);
2232: $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
2233: $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
2234: }
2235: }
2236: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
2237: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2238: }
2239: $data='\textbf{'.$data.'}';
2240: @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
1.122 albertel 2241: }
2242: return $currentstring;
2243: }
1.181 sakharuk 2244: #-- <img> tag (end tag forbidden)
1.122 albertel 2245: sub start_img {
2246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2247: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
2248: undef,1);
1.189 albertel 2249: if (not $src and ($target eq 'web' or $target eq 'tex')) {
2250: my $inside = &Apache::lonxml::get_all_text("/img",$parser);
2251: &Apache::lonnet::logthis("inside was $inside");
2252: return '';
2253: }
1.122 albertel 2254: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2255: my $currentstring = '';
2256: my $scaling = .3;
2257: if ($target eq 'web') {
2258: if ($ENV{'browser.imagesuppress'} ne 'on') {
1.158 sakharuk 2259: $currentstring.= $token->[4];
1.122 albertel 2260: } else {
2261: my $alttag= &Apache::lonxml::get_param
2262: ('alt',$parstack,$safeeval,undef,1);
2263: unless ($alttag) {
2264: $alttag=&Apache::lonmeta::alttag
2265: ($Apache::lonxml::pwd[-1],$src);
1.51 sakharuk 2266: }
1.158 sakharuk 2267: $currentstring.='[IMAGE: '.$alttag.']';
1.1 sakharuk 2268: }
1.122 albertel 2269: } elsif ($target eq 'tex') {
2270: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.213 ! sakharuk 2271: #if uploaded restore the path
! 2272: if ($src=~/^\/uploaded\//) {
! 2273: $src=~s/\/(\w)(\w)(\w)([^\/]*)\/simplepage\//\/$1\/$2\/$3\/$1$2$3$4\/userfiles\/simplepage\//;
! 2274: $src=~s/uploaded/home\/httpd\/lonUsers/;
! 2275: }
1.122 albertel 2276: #if original gif/jpg/png file exist do following:
1.192 sakharuk 2277: if (-e $src) {
1.197 sakharuk 2278: #what is the image size?
2279: my $width_param=&image_size($src,$scaling,$parstack,$safeeval);
2280: my ($file,$path)=&file_path($src);
1.122 albertel 2281: my $newsrc = $src;
2282: $newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
2283: $file=~s/\.(gif|jpg|png)$/.eps/i;
2284: #where can we find the picture?
2285: if (-e $newsrc) {
2286: #eps counterpart for image exist
2287: if ($path) {
2288: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1.51 sakharuk 2289: }
1.122 albertel 2290: } else {
2291: #there is no eps counterpart for image - check for ps one
2292: $newsrc =~ s/\.eps$/\.ps/;
2293: if (-e $newsrc) {
2294: #ps counterpart for image exist
2295: $file =~ s/\.eps$/\.ps/;
2296: if ($path) {
2297: $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
2298: }
1.78 sakharuk 2299: } else {
1.195 sakharuk 2300: #care about eps dynamical generation
2301: $currentstring.='\vskip 1 mm '.&eps_generation($src,$file,$width_param);
1.122 albertel 2302: }
2303: }
2304: } else {
2305: #original image file doesn't exist so check the alt attribute
2306: my $alt =
2307: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2308: unless ($alt) {
2309: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2310: }
2311:
2312: if ($alt) {
2313: $currentstring .= ' '.$alt.' ';
2314: } else {
2315: #<allow> tag will care about replication
1.59 sakharuk 2316: }
2317: }
1.186 albertel 2318: } elsif ($target eq 'edit') {
2319: $currentstring .=&Apache::edit::tag_start($target,$token);
2320: $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
2321: &Apache::edit::browse('src',undef,'alt').' '.
2322: &Apache::edit::search('src',undef,'alt').'<br />';
2323: $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
2324: $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
2325: $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
2326: $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
2327: $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
2328: $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2329: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval);
2330: my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval);
2331: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
2332: my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval);
2333: $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
2334: if ($width) { $currentstring.=' width="'.$width.'" '; }
2335: if ($height) { $currentstring.=' height="'.$height.'" '; }
2336: $currentstring .= ' />';
2337: } elsif ($target eq 'modified') {
1.210 albertel 2338: my ($osrc,$owidth,$oheight)=
2339: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2340: my $ctag=&Apache::edit::get_new_args($token,$parstack,
2341: $safeeval,'src','alt',
2342: 'TeXwidth','TeXheight',
2343: 'width','height');
2344: my ($nsrc,$nwidth,$nheight)=
2345: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2346: my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
2347: &image_replication($loc);
2348: my ($iwidth,$iheight);
2349: if (-e $loc) {
2350: my $image = Image::Magick->new;
2351: $image->Read($loc);
2352: ($iwidth, $iheight) = ($image->Get('width'),
2353: $image->Get('height'));
2354: }
2355: if ($osrc ne $nsrc || (!$nwidth && !$nheight)) {
2356: # changed image or no size specified,
2357: # if they didn't explicitly change the
2358: # width or height use the ones from the image
2359: if ($iwidth && $iheight) {
2360: if ($owidth == $nwidth || (!$nwidth && !$nheight)) {
2361: $token->[2]{'width'} = $iwidth;$ctag=1;
2362: }
2363: if ($oheight == $nheight || (!$nwidth && !$nheight)) {
2364: $token->[2]{'height'}=$iheight;$ctag=1;
1.186 albertel 2365: }
2366: }
2367: }
1.210 albertel 2368: my ($cwidth,$cheight)=($token->[2]{'width'},$token->[2]{'height'});
2369: # if we don't have a width or height
2370: if ($iwidth && $cwidth && !$cheight) {
2371: $token->[2]{'height'}=int(($cwidth/$iwidth)*$iheight);$ctag=1;
2372: }
2373: if ($iheight && $cheight && !$cwidth) {
2374: $token->[2]{'width'}=int(($cheight/$iheight)*$iwidth);$ctag=1;
2375: }
2376: if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
1.122 albertel 2377: }
2378: return $currentstring;
2379: }
2380:
2381: sub end_img {
2382: my ($target,$token) = @_;
2383: my $currentstring = '';
2384: if ($target eq 'web') {
2385: $currentstring = $token->[2];
2386: } elsif ($target eq 'tex') {
2387: $currentstring = '';
2388: }
2389: return $currentstring;
2390: }
2391:
1.181 sakharuk 2392: #-- <applet> tag (end tag required)
1.122 albertel 2393: sub start_applet {
2394: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2395:
2396: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
2397: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
2398:
2399: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2400: undef,1);
2401: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
2402:
2403: my $currentstring = '';
2404: if ($target eq 'web') {
2405: if ($ENV{'browser.appletsuppress'} ne 'on') {
2406: $currentstring = $token->[4];
2407: } else {
2408: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2409: $safeeval,undef,1);
2410: unless ($alttag) {
2411: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2412: $code);
1.44 sakharuk 2413: }
1.122 albertel 2414: $currentstring='[APPLET: '.$alttag.']';
1.1 sakharuk 2415: }
1.122 albertel 2416: } elsif ($target eq 'tex') {
1.177 albertel 2417: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2418: $safeeval,undef,1);
2419: unless ($alttag) {
2420: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,
2421: undef,1);
2422: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2423: $code);
1.175 sakharuk 2424: }
1.177 albertel 2425: $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
2426: '.}\end{center}';
1.122 albertel 2427: }
2428: return $currentstring;
2429: }
2430:
2431: sub end_applet {
2432: my ($target,$token) = @_;
2433: my $currentstring = '';
2434: if ($target eq 'web') {
2435: $currentstring = $token->[2];
2436: } elsif ($target eq 'tex') {
2437: }
2438: return $currentstring;
2439: }
2440:
1.181 sakharuk 2441: #-- <embed> tag (end tag optional/required)
1.122 albertel 2442: sub start_embed {
2443: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2444: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2445: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2446: my $currentstring = '';
2447: if ($target eq 'web') {
2448: if ($ENV{'browser.embedsuppress'} ne 'on') {
2449: $currentstring = $token->[4];
2450: } else {
2451: my $alttag=&Apache::lonxml::get_param
2452: ('alt',$parstack,$safeeval,undef,1);
2453: unless ($alttag) {
2454: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
1.42 albertel 2455: }
1.122 albertel 2456: $currentstring='[EMBED: '.$alttag.']';
1.10 www 2457: }
1.122 albertel 2458: } elsif ($target eq 'tex') {
2459: }
2460: return $currentstring;
2461: }
2462:
2463: sub end_embed {
2464: my ($target,$token) = @_;
2465: my $currentstring = '';
2466: if ($target eq 'web') {
2467: $currentstring = $token->[2];
1.175 sakharuk 2468: } elsif ($target eq 'tex') {
1.122 albertel 2469: }
2470: return $currentstring;
2471: }
2472:
1.181 sakharuk 2473: #-- <param> tag (end tag forbidden)
1.122 albertel 2474: sub start_param {
2475: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2476: if (&Apache::lonxml::get_param
2477: ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
2478: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2479: &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
2480: }
2481: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2482: &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2483: my $currentstring = '';
2484: if ($target eq 'web') {
2485: $currentstring = $token->[4];
2486: } elsif ($target eq 'tex') {
2487: }
2488: return $currentstring;
2489: }
2490:
2491: sub end_param {
2492: my ($target,$token) = @_;
2493: my $currentstring = '';
2494: if ($target eq 'web') {
2495: $currentstring = $token->[2];
2496: } elsif ($target eq 'tex') {
2497: }
2498: return $currentstring;
2499: }
2500:
2501: #-- <allow> tag
2502: sub start_allow {
2503: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2504: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2505: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.138 www 2506: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2507: &Apache::lonnet::clutter($src);
1.122 albertel 2508: &image_replication($src);
2509: my $result;
2510: if ($target eq 'edit') {
2511: $result .=&Apache::edit::tag_start($target,$token);
2512: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
2513: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
2514: } elsif ($target eq 'modified') {
2515: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2516: $safeeval,'src');
2517: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2518: }
2519: return $result;
2520: }
2521:
2522: sub end_allow {
2523: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2524: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
2525: return '';
2526: }
1.119 www 2527:
1.181 sakharuk 2528: #-- Frames (end tag required)
2529: #-- <frameset>
1.122 albertel 2530: sub start_frameset {
2531: my ($target,$token) = @_;
2532: my $currentstring = '';
2533: if ($target eq 'web') {
1.180 albertel 2534: if (!$Apache::lonxml::registered &&
2535: $ENV{'request.state'} eq 'published') {
1.122 albertel 2536: $currentstring.='<head>'.
2537: &Apache::lonmenu::registerurl(undef,$target).'</head>';
1.10 www 2538: }
1.133 www 2539: my $onLoad='';
2540: foreach my $key (keys(%{$token->[2]})) {
2541: if ($key =~ /^onload$/i) {
2542: $onLoad.=$token->[2]->{$key}.';';
2543: delete($token->[2]->{$key});
2544: }
2545: }
2546: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
2547: my $onUnload='';
2548: foreach my $key (keys(%{$token->[2]})) {
2549: if ($key =~ /^onunload$/i) {
2550: $onUnload.=$token->[2]->{$key}.';';
2551: delete($token->[2]->{$key});
2552: }
2553: }
2554: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
2555: ';'.$onUnload;
2556:
2557: $currentstring .= '<'.$token->[1];
2558: foreach (keys %{$token->[2]}) {
2559: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
2560: }
2561: $currentstring.='>';
1.122 albertel 2562: }
2563: return $currentstring;
2564: }
2565:
2566: sub end_frameset {
2567: my ($target,$token) = @_;
2568: my $currentstring = '';
2569: if ($target eq 'web') {
2570: $currentstring = $token->[2];
2571: }
2572: return $currentstring;
2573: }
1.162 sakharuk 2574:
1.181 sakharuk 2575: #-- <xmp> (end tag required)
1.162 sakharuk 2576: sub start_xmp {
2577: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2578: my $currentstring = '';
2579: if ($target eq 'web') {
2580: $currentstring .= $token->[4];
2581: } elsif ($target eq 'tex') {
2582: $currentstring .= '\begin{verbatim}';
2583: }
2584: return $currentstring;
2585: }
2586:
2587: sub end_xmp {
2588: my ($target,$token) = @_;
2589: my $currentstring = '';
2590: if ($target eq 'web') {
2591: $currentstring .= $token->[2];
2592: } elsif ($target eq 'tex') {
2593: $currentstring .= '\end{verbatim}';
2594: }
2595: return $currentstring;
2596: }
2597:
1.181 sakharuk 2598: #-- <pre> (end tag required)
1.122 albertel 2599: sub start_pre {
1.126 sakharuk 2600: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2601: my $currentstring = '';
2602: if ($target eq 'web') {
2603: $currentstring .= $token->[4];
2604: } elsif ($target eq 'tex') {
1.136 sakharuk 2605: $currentstring .= '\begin{verbatim}';
1.122 albertel 2606: }
2607: return $currentstring;
2608: }
2609:
2610: sub end_pre {
2611: my ($target,$token) = @_;
2612: my $currentstring = '';
2613: if ($target eq 'web') {
2614: $currentstring .= $token->[2];
2615: } elsif ($target eq 'tex') {
1.136 sakharuk 2616: $currentstring .= '\end{verbatim}';
1.122 albertel 2617: }
2618: return $currentstring;
2619: }
2620:
2621: #-- <insert>
2622: sub start_insert {
2623: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2624: my $currentstring = '';
2625: if ($target eq 'web') {
2626: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2627: $currentstring .= '<b>'.$display.'</b>';;
2628: }
2629: return $currentstring;
2630: }
2631:
2632: sub end_insert {
2633: my ($target,$token) = @_;
2634: my $currentstring = '';
2635: if ($target eq 'web') {
2636: $currentstring .= '';
2637: }
2638: return $currentstring;
2639: }
2640:
2641: #-- <externallink>
2642: sub start_externallink {
2643: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2644: my $currentstring = '';
2645: if ($target eq 'web') {
2646: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2647: $currentstring .= '<b>'.$display.'</b>';;
2648: }
2649: return $currentstring;
2650: }
2651:
2652: sub end_externallink {
2653: my ($target,$token) = @_;
2654: my $currentstring = '';
2655: if ($target eq 'web') {
2656: $currentstring .= '';
2657: }
2658: return $currentstring;
2659: }
2660:
2661: #-- <blankspace heigth="">
2662: sub start_blankspace {
2663: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2664: my $currentstring = '';
2665: if ($target eq 'tex') {
2666: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
2667: $currentstring .= '\vskip '.$howmuch.' ';
2668: }
2669: return $currentstring;
2670: }
2671:
2672: sub end_blankspace {
2673: my ($target,$token) = @_;
2674: my $currentstring = '';
2675: if ($target eq 'tex') {
2676: $currentstring .= '';
2677: }
2678: return $currentstring;
2679: }
2680:
1.181 sakharuk 2681: #-- <abbr> tag (end tag required)
1.122 albertel 2682: sub start_abbr {
2683: my ($target,$token) = @_;
2684: my $currentstring = '';
2685: if ($target eq 'web') {
2686: $currentstring = $token->[4];
2687: }
2688: return $currentstring;
2689: }
2690:
2691: sub end_abbr {
2692: my ($target,$token) = @_;
2693: my $currentstring = '';
2694: if ($target eq 'web') {
2695: $currentstring = $token->[2];
2696: }
2697: return $currentstring;
2698: }
2699:
1.181 sakharuk 2700: #-- <acronym> tag (end tag required)
1.122 albertel 2701: sub start_acronym {
2702: my ($target,$token) = @_;
2703: my $currentstring = '';
2704: if ($target eq 'web') {
2705: $currentstring = $token->[4];
2706: }
2707: return $currentstring;
2708: }
2709:
2710: sub end_acronym {
2711: my ($target,$token) = @_;
2712: my $currentstring = '';
2713: if ($target eq 'web') {
2714: $currentstring = $token->[2];
2715: }
2716: return $currentstring;
2717: }
2718:
1.181 sakharuk 2719: #-- <area> tag (end tag forbidden)
1.122 albertel 2720: sub start_area {
2721: my ($target,$token) = @_;
2722: my $currentstring = '';
2723: if ($target eq 'web') {
2724: $currentstring = $token->[4];
2725: }
2726: return $currentstring;
2727: }
2728:
2729: sub end_area {
2730: my ($target,$token) = @_;
2731: my $currentstring = '';
2732: if ($target eq 'web') {
2733: $currentstring = $token->[2];
2734: }
2735: return $currentstring;
2736: }
2737:
1.181 sakharuk 2738: #-- <base> tag (end tag forbidden)
1.122 albertel 2739: sub start_base {
2740: my ($target,$token) = @_;
2741: my $currentstring = '';
2742: if ($target eq 'web') {
2743: $currentstring = $token->[4];
1.161 sakharuk 2744: }
1.122 albertel 2745: return $currentstring;
2746: }
2747:
2748: sub end_base {
2749: my ($target,$token) = @_;
2750: my $currentstring = '';
2751: if ($target eq 'web') {
2752: $currentstring = $token->[2];
2753: }
2754: return $currentstring;
2755: }
2756:
1.181 sakharuk 2757: #-- <bdo> tag (end tag required)
1.122 albertel 2758: sub start_bdo {
2759: my ($target,$token) = @_;
2760: my $currentstring = '';
2761: if ($target eq 'web') {
2762: $currentstring = $token->[4];
2763: }
2764: return $currentstring;
2765: }
2766:
2767: sub end_bdo {
2768: my ($target,$token) = @_;
2769: my $currentstring = '';
2770: if ($target eq 'web') {
2771: $currentstring = $token->[2];
2772: }
2773: return $currentstring;
2774: }
2775:
1.181 sakharuk 2776: #-- <bgsound> tag (end tag optional)
1.122 albertel 2777: sub start_bgsound {
2778: my ($target,$token) = @_;
2779: my $currentstring = '';
2780: if ($target eq 'web') {
2781: $currentstring = $token->[4];
2782: }
2783: return $currentstring;
2784: }
2785:
2786: sub end_bgsound {
2787: my ($target,$token) = @_;
2788: my $currentstring = '';
2789: if ($target eq 'web') {
2790: $currentstring = $token->[2];
2791: }
2792: return $currentstring;
2793: }
2794:
1.181 sakharuk 2795: #-- <blink> tag (end tag required)
1.122 albertel 2796: sub start_blink {
2797: my ($target,$token) = @_;
2798: my $currentstring = '';
2799: if ($target eq 'web') {
2800: $currentstring = $token->[4];
2801: }
2802: return $currentstring;
2803: }
2804:
2805: sub end_blink {
2806: my ($target,$token) = @_;
2807: my $currentstring = '';
2808: if ($target eq 'web') {
2809: $currentstring = $token->[2];
2810: }
2811: return $currentstring;
2812: }
2813:
1.181 sakharuk 2814: #-- <blockquote> tag (end tag required)
1.122 albertel 2815: sub start_blockquote {
2816: my ($target,$token) = @_;
2817: my $currentstring = '';
2818: if ($target eq 'web') {
2819: $currentstring = $token->[4];
2820: }
2821: return $currentstring;
2822: }
2823:
2824: sub end_blockquote {
2825: my ($target,$token) = @_;
2826: my $currentstring = '';
2827: if ($target eq 'web') {
2828: $currentstring = $token->[2];
2829: }
2830: return $currentstring;
2831: }
2832:
1.181 sakharuk 2833: #-- <button> tag (end tag required)
1.122 albertel 2834: sub start_button {
2835: my ($target,$token) = @_;
2836: my $currentstring = '';
2837: if ($target eq 'web') {
2838: $currentstring = $token->[4];
2839: }
2840: return $currentstring;
2841: }
2842:
2843: sub end_button {
2844: my ($target,$token) = @_;
2845: my $currentstring = '';
2846: if ($target eq 'web') {
2847: $currentstring = $token->[2];
2848: }
2849: return $currentstring;
2850: }
2851:
1.181 sakharuk 2852: #-- <caption> tag (end tag required)
1.122 albertel 2853: sub start_caption {
2854: my ($target,$token) = @_;
2855: my $currentstring = '';
2856: if ($target eq 'web') {
2857: $currentstring = $token->[4];
2858: }
2859: return $currentstring;
2860: }
2861:
2862: sub end_caption {
2863: my ($target,$token) = @_;
2864: my $currentstring = '';
2865: if ($target eq 'web') {
2866: $currentstring = $token->[2];
2867: }
2868: return $currentstring;
2869: }
2870:
1.181 sakharuk 2871: #-- <col> tag (end tag forbdden)
1.122 albertel 2872: sub start_col {
2873: my ($target,$token) = @_;
2874: my $currentstring = '';
2875: if ($target eq 'web') {
2876: $currentstring = $token->[4];
2877: }
2878: return $currentstring;
2879: }
2880:
2881: sub end_col {
2882: my ($target,$token) = @_;
2883: my $currentstring = '';
2884: if ($target eq 'web') {
2885: $currentstring = $token->[2];
2886: }
2887: return $currentstring;
2888: }
2889:
1.181 sakharuk 2890: #-- <colgroup> tag (end tag optional)
1.122 albertel 2891: sub start_colgroup {
2892: my ($target,$token) = @_;
2893: my $currentstring = '';
2894: if ($target eq 'web') {
2895: $currentstring = $token->[4];
2896: }
2897: return $currentstring;
2898: }
2899:
2900: sub end_colgroup {
2901: my ($target,$token) = @_;
2902: my $currentstring = '';
2903: if ($target eq 'web') {
2904: $currentstring = $token->[2];
2905: }
2906: return $currentstring;
2907: }
2908:
1.181 sakharuk 2909: #-- <del> tag (end tag required)
1.122 albertel 2910: sub start_del {
2911: my ($target,$token) = @_;
2912: my $currentstring = '';
2913: if ($target eq 'web') {
2914: $currentstring = $token->[4];
2915: }
2916: return $currentstring;
2917: }
2918:
2919: sub end_del {
2920: my ($target,$token) = @_;
2921: my $currentstring = '';
2922: if ($target eq 'web') {
2923: $currentstring = $token->[2];
2924: }
2925: return $currentstring;
2926: }
2927:
1.181 sakharuk 2928: #-- <fieldset> tag (end tag required)
1.122 albertel 2929: sub start_fieldset {
2930: my ($target,$token) = @_;
2931: my $currentstring = '';
2932: if ($target eq 'web') {
2933: $currentstring = $token->[4];
2934: }
2935: return $currentstring;
2936: }
2937:
2938: sub end_fieldset {
2939: my ($target,$token) = @_;
2940: my $currentstring = '';
2941: if ($target eq 'web') {
2942: $currentstring = $token->[2];
2943: }
2944: return $currentstring;
2945: }
2946:
1.181 sakharuk 2947: #-- <frame> tag (end tag forbidden)
1.122 albertel 2948: sub start_frame {
2949: my ($target,$token) = @_;
2950: my $currentstring = '';
2951: if ($target eq 'web') {
2952: $currentstring = $token->[4];
2953: }
2954: return $currentstring;
2955: }
2956:
2957: sub end_frame {
2958: my ($target,$token) = @_;
2959: my $currentstring = '';
2960: if ($target eq 'web') {
2961: $currentstring = $token->[2];
2962: }
2963: return $currentstring;
2964: }
2965:
1.181 sakharuk 2966: #-- <iframe> tag (end tag required)
1.122 albertel 2967: sub start_iframe {
2968: my ($target,$token) = @_;
2969: my $currentstring = '';
2970: if ($target eq 'web') {
2971: $currentstring = $token->[4];
2972: }
2973: return $currentstring;
2974: }
2975:
2976: sub end_iframe {
2977: my ($target,$token) = @_;
2978: my $currentstring = '';
2979: if ($target eq 'web') {
2980: $currentstring = $token->[2];
2981: }
2982: return $currentstring;
2983: }
2984:
1.181 sakharuk 2985: #-- <ins> tag (end tag required)
1.122 albertel 2986: sub start_ins {
2987: my ($target,$token) = @_;
2988: my $currentstring = '';
2989: if ($target eq 'web') {
2990: $currentstring = $token->[4];
2991: }
2992: return $currentstring;
2993: }
2994:
2995: sub end_ins {
2996: my ($target,$token) = @_;
2997: my $currentstring = '';
2998: if ($target eq 'web') {
2999: $currentstring = $token->[2];
3000: }
3001: return $currentstring;
3002: }
3003:
1.181 sakharuk 3004: #-- <isindex> tag (end tag forbidden)
1.122 albertel 3005: sub start_isindex {
3006: my ($target,$token) = @_;
3007: my $currentstring = '';
3008: if ($target eq 'web') {
3009: $currentstring = $token->[4];
3010: }
3011: return $currentstring;
3012: }
3013:
3014: sub end_isindex {
3015: my ($target,$token) = @_;
3016: my $currentstring = '';
3017: if ($target eq 'web') {
3018: $currentstring = $token->[2];
3019: }
3020: return $currentstring;
3021: }
3022:
1.181 sakharuk 3023: #-- <keygen> tag (end tag forbidden)
1.122 albertel 3024: sub start_keygen {
3025: my ($target,$token) = @_;
3026: my $currentstring = '';
3027: if ($target eq 'web') {
3028: $currentstring = $token->[4];
3029: }
3030: return $currentstring;
3031: }
3032:
3033: sub end_keygen {
3034: my ($target,$token) = @_;
3035: my $currentstring = '';
3036: if ($target eq 'web') {
3037: $currentstring = $token->[2];
3038: }
3039: return $currentstring;
3040: }
3041:
3042: #-- <label> tag
3043: sub start_label {
3044: my ($target,$token) = @_;
3045: my $currentstring = '';
3046: if ($target eq 'web') {
3047: $currentstring = $token->[4];
3048: }
3049: return $currentstring;
3050: }
3051:
3052: sub end_label {
3053: my ($target,$token) = @_;
3054: my $currentstring = '';
3055: if ($target eq 'web') {
3056: $currentstring = $token->[2];
3057: }
3058: return $currentstring;
3059: }
3060:
1.181 sakharuk 3061: #-- <layer> tag (end tag required)
1.122 albertel 3062: sub start_layer {
3063: my ($target,$token) = @_;
3064: my $currentstring = '';
3065: if ($target eq 'web') {
3066: $currentstring = $token->[4];
3067: }
3068: return $currentstring;
3069: }
3070:
3071: sub end_layer {
3072: my ($target,$token) = @_;
3073: my $currentstring = '';
3074: if ($target eq 'web') {
3075: $currentstring = $token->[2];
3076: }
3077: return $currentstring;
3078: }
3079:
1.181 sakharuk 3080: #-- <legend> tag (end tag required)
1.122 albertel 3081: sub start_legend {
3082: my ($target,$token) = @_;
3083: my $currentstring = '';
3084: if ($target eq 'web') {
3085: $currentstring = $token->[4];
3086: }
3087: return $currentstring;
3088: }
3089:
3090: sub end_legend {
3091: my ($target,$token) = @_;
3092: my $currentstring = '';
3093: if ($target eq 'web') {
3094: $currentstring = $token->[2];
3095: }
3096: return $currentstring;
3097: }
3098:
1.181 sakharuk 3099: #-- <link> tag (end tag forbidden)
1.122 albertel 3100: sub start_link {
3101: my ($target,$token) = @_;
3102: my $currentstring = '';
3103: if ($target eq 'web') {
3104: $currentstring = $token->[4];
3105: }
3106: return $currentstring;
3107: }
3108:
3109: sub end_link {
3110: my ($target,$token) = @_;
3111: my $currentstring = '';
3112: if ($target eq 'web') {
3113: $currentstring = $token->[2];
3114: }
3115: return $currentstring;
3116: }
3117:
1.181 sakharuk 3118: #-- <marquee> tag (end tag optional)
1.122 albertel 3119: sub start_marquee {
3120: my ($target,$token) = @_;
3121: my $currentstring = '';
3122: if ($target eq 'web') {
3123: $currentstring = $token->[4];
3124: }
3125: return $currentstring;
3126: }
3127:
3128: sub end_marquee {
3129: my ($target,$token) = @_;
3130: my $currentstring = '';
3131: if ($target eq 'web') {
3132: $currentstring = $token->[2];
3133: }
3134: return $currentstring;
3135: }
3136:
1.179 sakharuk 3137: #-- <multicol> tag (end tag required)
3138: sub start_multicol {
1.122 albertel 3139: my ($target,$token) = @_;
3140: my $currentstring = '';
3141: if ($target eq 'web') {
3142: $currentstring = $token->[4];
3143: }
3144: return $currentstring;
3145: }
3146:
1.179 sakharuk 3147: sub end_multicol {
1.122 albertel 3148: my ($target,$token) = @_;
3149: my $currentstring = '';
3150: if ($target eq 'web') {
3151: $currentstring = $token->[2];
3152: }
3153: return $currentstring;
3154: }
3155:
1.179 sakharuk 3156: #-- <nobr> tag (end tag required)
1.122 albertel 3157: sub start_nobr {
3158: my ($target,$token) = @_;
3159: my $currentstring = '';
3160: if ($target eq 'web') {
3161: $currentstring = $token->[4];
1.179 sakharuk 3162: } elsif ($target eq 'tex') {
3163: $currentstring='\mbox{';
3164: }
1.122 albertel 3165: return $currentstring;
3166: }
3167:
3168: sub end_nobr {
3169: my ($target,$token) = @_;
3170: my $currentstring = '';
3171: if ($target eq 'web') {
3172: $currentstring = $token->[2];
1.179 sakharuk 3173: } elsif ($target eq 'tex') {
3174: $currentstring='}';
3175: }
1.122 albertel 3176: return $currentstring;
3177: }
3178:
1.179 sakharuk 3179: #-- <noembed> tag (end tag required)
1.122 albertel 3180: sub start_noembed {
3181: my ($target,$token) = @_;
3182: my $currentstring = '';
3183: if ($target eq 'web') {
3184: $currentstring = $token->[4];
3185: }
3186: return $currentstring;
3187: }
3188:
3189: sub end_noembed {
3190: my ($target,$token) = @_;
3191: my $currentstring = '';
3192: if ($target eq 'web') {
3193: $currentstring = $token->[2];
3194: }
3195: return $currentstring;
3196: }
3197:
1.179 sakharuk 3198: #-- <noframes> tag (end tag required)
1.122 albertel 3199: sub start_noframes {
3200: my ($target,$token) = @_;
3201: my $currentstring = '';
3202: if ($target eq 'web') {
3203: $currentstring = $token->[4];
3204: }
3205: return $currentstring;
3206: }
3207:
3208: sub end_noframes {
3209: my ($target,$token) = @_;
3210: my $currentstring = '';
3211: if ($target eq 'web') {
3212: $currentstring = $token->[2];
3213: }
3214: return $currentstring;
3215: }
3216:
1.179 sakharuk 3217: #-- <nolayer> tag (end tag required)
1.122 albertel 3218: sub start_nolayer {
3219: my ($target,$token) = @_;
3220: my $currentstring = '';
3221: if ($target eq 'web') {
3222: $currentstring = $token->[4];
3223: }
3224: return $currentstring;
3225: }
3226:
3227: sub end_nolayer {
3228: my ($target,$token) = @_;
3229: my $currentstring = '';
3230: if ($target eq 'web') {
3231: $currentstring = $token->[2];
3232: }
3233: return $currentstring;
3234: }
3235:
1.179 sakharuk 3236: #-- <noscript> tag (end tag required)
1.122 albertel 3237: sub start_noscript {
3238: my ($target,$token) = @_;
3239: my $currentstring = '';
3240: if ($target eq 'web') {
3241: $currentstring = $token->[4];
3242: }
3243: return $currentstring;
3244: }
3245:
3246: sub end_noscript {
3247: my ($target,$token) = @_;
3248: my $currentstring = '';
3249: if ($target eq 'web') {
3250: $currentstring = $token->[2];
3251: }
3252: return $currentstring;
3253: }
3254:
1.179 sakharuk 3255: #-- <object> tag (end tag required)
1.122 albertel 3256: sub start_object {
3257: my ($target,$token) = @_;
3258: my $currentstring = '';
3259: if ($target eq 'web') {
3260: $currentstring = $token->[4];
3261: }
3262: return $currentstring;
3263: }
3264:
3265: sub end_object {
3266: my ($target,$token) = @_;
3267: my $currentstring = '';
3268: if ($target eq 'web') {
3269: $currentstring = $token->[2];
3270: }
3271: return $currentstring;
3272: }
3273:
1.179 sakharuk 3274: #-- <optgroup> tag (end tag required)
1.122 albertel 3275: sub start_optgroup {
3276: my ($target,$token) = @_;
3277: my $currentstring = '';
3278: if ($target eq 'web') {
3279: $currentstring = $token->[4];
3280: }
3281: return $currentstring;
3282: }
3283:
3284: sub end_optgroup {
3285: my ($target,$token) = @_;
3286: my $currentstring = '';
3287: if ($target eq 'web') {
3288: $currentstring = $token->[2];
3289: }
3290: return $currentstring;
3291: }
3292:
1.179 sakharuk 3293: #-- <samp> tag (end tag required)
1.122 albertel 3294: sub start_samp {
3295: my ($target,$token) = @_;
3296: my $currentstring = '';
3297: if ($target eq 'web') {
3298: $currentstring = $token->[4];
1.179 sakharuk 3299: } elsif ($target eq 'tex') {
3300: $currentstring='\texttt{';
3301: }
1.122 albertel 3302: return $currentstring;
3303: }
3304:
3305: sub end_samp {
3306: my ($target,$token) = @_;
3307: my $currentstring = '';
3308: if ($target eq 'web') {
3309: $currentstring = $token->[2];
1.179 sakharuk 3310: } elsif ($target eq 'tex') {
3311: $currentstring='}';
3312: }
1.122 albertel 3313: return $currentstring;
3314: }
3315:
3316: #-- <server> tag
3317: sub start_server {
3318: my ($target,$token) = @_;
3319: my $currentstring = '';
3320: if ($target eq 'web') {
3321: $currentstring = $token->[4];
3322: }
3323: return $currentstring;
3324: }
3325:
3326: sub end_server {
3327: my ($target,$token) = @_;
3328: my $currentstring = '';
3329: if ($target eq 'web') {
3330: $currentstring = $token->[2];
3331: }
3332: return $currentstring;
3333: }
3334:
1.179 sakharuk 3335: #-- <spacer> tag (end tag forbidden)
1.122 albertel 3336: sub start_spacer {
3337: my ($target,$token) = @_;
3338: my $currentstring = '';
3339: if ($target eq 'web') {
3340: $currentstring = $token->[4];
3341: }
3342: return $currentstring;
3343: }
3344:
3345: sub end_spacer {
3346: my ($target,$token) = @_;
3347: my $currentstring = '';
3348: if ($target eq 'web') {
3349: $currentstring = $token->[2];
3350: }
3351: return $currentstring;
3352: }
3353:
1.179 sakharuk 3354: #-- <span> tag (end tag required)
1.122 albertel 3355: sub start_span {
3356: my ($target,$token) = @_;
3357: my $currentstring = '';
3358: if ($target eq 'web') {
3359: $currentstring = $token->[4];
3360: }
3361: return $currentstring;
3362: }
3363:
3364: sub end_span {
3365: my ($target,$token) = @_;
3366: my $currentstring = '';
3367: if ($target eq 'web') {
3368: $currentstring = $token->[2];
3369: }
3370: return $currentstring;
3371: }
3372:
1.179 sakharuk 3373: #-- <tbody> tag (end tag optional)
1.122 albertel 3374: sub start_tbody {
3375: my ($target,$token) = @_;
3376: my $currentstring = '';
3377: if ($target eq 'web') {
3378: $currentstring = $token->[4];
3379: }
3380: return $currentstring;
3381: }
3382:
3383: sub end_tbody {
3384: my ($target,$token) = @_;
3385: my $currentstring = '';
3386: if ($target eq 'web') {
3387: $currentstring = $token->[2];
3388: }
3389: return $currentstring;
3390: }
3391:
1.166 sakharuk 3392: #-- <tfoot> tag (end tag optional)
1.122 albertel 3393: sub start_tfoot {
3394: my ($target,$token) = @_;
3395: my $currentstring = '';
3396: if ($target eq 'web') {
3397: $currentstring = $token->[4];
3398: }
3399: return $currentstring;
3400: }
3401:
3402: sub end_tfoot {
3403: my ($target,$token) = @_;
3404: my $currentstring = '';
3405: if ($target eq 'web') {
3406: $currentstring = $token->[2];
3407: }
3408: return $currentstring;
3409: }
3410:
1.166 sakharuk 3411: #-- <thead> tag (end tag optional)
1.122 albertel 3412: sub start_thead {
3413: my ($target,$token) = @_;
3414: my $currentstring = '';
3415: if ($target eq 'web') {
3416: $currentstring = $token->[4];
3417: }
3418: return $currentstring;
3419: }
1.10 www 3420:
1.122 albertel 3421: sub end_thead {
3422: my ($target,$token) = @_;
3423: my $currentstring = '';
3424: if ($target eq 'web') {
3425: $currentstring = $token->[2];
3426: }
3427: return $currentstring;
3428: }
1.119 www 3429:
1.122 albertel 3430: #-- <var> tag
3431: sub start_var {
1.44 sakharuk 3432: my ($target,$token) = @_;
3433: my $currentstring = '';
3434: if ($target eq 'web') {
1.122 albertel 3435: $currentstring = $token->[4];
1.163 sakharuk 3436: } elsif ($target eq 'tex') {
3437: $currentstring = '\textit{';
3438: }
1.44 sakharuk 3439: return $currentstring;
3440: }
1.10 www 3441:
1.122 albertel 3442: sub end_var {
3443: my ($target,$token) = @_;
1.44 sakharuk 3444: my $currentstring = '';
3445: if ($target eq 'web') {
1.163 sakharuk 3446: $currentstring = $token->[2];
3447: } elsif ($target eq 'tex') {
3448: $currentstring = '}';
1.44 sakharuk 3449: }
3450: return $currentstring;
3451: }
1.119 www 3452:
1.163 sakharuk 3453: #-- <wbr> tag (end tag forbidden)
1.122 albertel 3454: sub start_wbr {
3455: my ($target,$token) = @_;
3456: my $currentstring = '';
3457: if ($target eq 'web') {
3458: $currentstring = $token->[4];
3459: }
3460: return $currentstring;
1.98 albertel 3461: }
3462:
1.122 albertel 3463: sub end_wbr {
3464: my ($target,$token) = @_;
3465: my $currentstring = '';
3466: if ($target eq 'web') {
3467: $currentstring = $token->[2];
3468: }
3469: return $currentstring;
1.98 albertel 3470: }
1.134 sakharuk 3471:
3472: #-- <hideweboutput> tag
3473: sub start_hideweboutput {
3474: my ($target,$token) = @_;
3475: if ($target eq 'web') {
3476: &Apache::lonxml::startredirection();
3477: }
3478: return '';
3479: }
3480:
3481: sub end_hideweboutput {
3482: my ($target,$token) = @_;
3483: my $currentstring = '';
3484: if ($target eq 'web') {
3485: $currentstring = &Apache::lonxml::endredirection();
3486: }
3487: return '';
3488: }
3489:
1.94 sakharuk 3490:
3491: sub image_replication {
3492: my $src = shift;
1.187 albertel 3493: if (not -e $src) { &Apache::lonnet::repcopy($src); }
3494: #replicates eps or ps
3495: my $epssrc = my $pssrc = $src;
3496: $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
3497: $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
3498: if (not -e $epssrc && not -e $pssrc) {
3499: my $result=&Apache::lonnet::repcopy($epssrc);
3500: if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }
1.94 sakharuk 3501: }
3502: return '';
1.195 sakharuk 3503: }
3504:
1.197 sakharuk 3505: sub image_size {
3506: my ($src,$scaling,$parstack,$safeeval)=@_;
3507: #size of image from gif/jpg/jpeg/png
3508: my $image = Image::Magick->new;
3509: my $current_figure = $image->Read($src);
3510: my $width_param = $image->Get('width') * $scaling;;
3511: my $height_param = $image->Get('height') * $scaling;;
3512: undef $image;
3513: #do we have any specified LaTeX size of the picture?
3514: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
3515: my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
3516: #do we have any specified web size of the picture?
3517: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
3518: undef,1);
3519: if ($TeXwidth ne '') {
3520: if ($TeXwidth=~/(\d+)\s*\%/) {
3521: $width_param = $1*$ENV{'form.textwidth'}/100;
3522: } else {
3523: $width_param = $TeXwidth;
3524: }
3525: } elsif ($TeXheight ne '') {
3526: $width_param = $TeXheight/$height_param*$width_param;
3527: } elsif ($width ne '') {
3528: $width_param = $width*$scaling;
3529: }
3530: if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
3531: return $width_param;
3532: }
3533:
1.195 sakharuk 3534: sub eps_generation {
3535: my ($src,$file,$width_param) = @_;
3536: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
3537: my $temp_file = Apache::File->new('>>'.$filename);
3538: print $temp_file "$src\n";
3539: my $newsrc = $src;
3540: $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
3541: $newsrc=~s/\/home\/httpd\/html\/res//;
3542: $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
3543: $newsrc=~s/\/\.\//\//;
3544: $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
1.213 ! sakharuk 3545: if ($newsrc=~/\/home\/httpd\/lonUsers\//) {
! 3546: $newsrc=~s/\/home\/httpd\/lonUsers//;
! 3547: $newsrc=~s/\/([^\/]+)\/(\w)\/(\w)\/(\w)\//\/$1\//;
! 3548: }
1.195 sakharuk 3549: return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
1.197 sakharuk 3550: }
3551:
3552: sub file_path {
3553: my $src=shift;
3554: my ($file,$path);
3555: if ($src =~ m!(.*)/([^/]*)$!) {
3556: $file = $2;
3557: $path = $1.'/';
3558: }
3559: return $file,$path;
1.126 sakharuk 3560: }
3561:
3562: sub recalc {
3563: my $argument = shift;
3564: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
1.132 sakharuk 3565: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
1.126 sakharuk 3566: my $value=$1;
3567: my $units=$2;
3568: if ($units eq 'cm') {
3569: $value*=10;
3570: } elsif ($units eq 'in') {
3571: $value*=25.4;
3572: } elsif ($units eq 'pc') {
3573: $value*=(25.4*12/72.27);
3574: } elsif ($units eq 'pt') {
3575: $value*=(25.4/72.27);
3576: }
3577: return $value.' mm';
1.94 sakharuk 3578: }
1.184 sakharuk 3579:
3580: sub LATEX_length {
3581: my $garbage=shift;
1.206 sakharuk 3582: $garbage=~s/^\s+$//;
3583: $garbage=~s/^\s+(\S.*)/$1/;#space before
3584: $garbage=~s/(.*\S)\s+$/$1/;#space after
3585: $garbage=~s/(\s)+/$1/;#only one space
3586: $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
3587: $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
3588: $garbage=~s/([^\\])\$/$1/g;#$
3589: $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
3590: $garbage=~s/(\\alpha|\\beta|\\gamma|\\delta|\\epsilon|\\verepsilon|\\zeta|\\eta|\\theta|\\vartheta|\\iota|\\kappa|\\lambda|\\mu|\\nu|\\xi|\\pi|\\varpi|\\rho|\\varrho|\\sigma|\\varsigma|\\tau|\\upsilon|\\phi|\\varphi|\\chi|\\psi|\\omega|\\Gamma|\\Delta|\\Theta|\\Lambda|\\Xi|\\Pi|\\Sigma|\\Upsilon|\\Phi|\\Psi|\\Omega)/1/g;
1.184 sakharuk 3591: $garbage=~s/(\\pm|\\mp|\\times|\\div|\\cdot|\\ast|\\star|\\dagger|\\ddagger|\\amalg|\\cap|\\cup|\\uplus|\\sqcap|\\sqcup|\\vee|\\wedge|\\oplus|\\ominus|\\otimes|\\circ|\\bullet|\\diamond|\\lhd|\\rhd|\\unlhd|\\unrhd|\\oslash|\\odot|\\bigcirc|\\Box|\\Diamond|\\bigtriangleup|\\bigtriangledown|\\triangleleft|\\triangleright|\\setminus|\\wr)/1/g;
3592: $garbage=~s/(\\le|\\ll|\\leq|\\ge|\\geq|\\gg|\\neq|\\doreq|\\sim|\\simeq|\\subset|\\subseteq|\\sqsubset|\\sqsubseteq|\\in|\\vdash|\\models|\\supset|\\supseteq|\\sqsupset|\\sqsupseteq|\\ni|\\dash|\\perp|\\approx|\\cong|\\equiv|\\propto|\\prec|\\preceq|\\parallel|\\asymp|\\smile|\\frown|\\bowtie|\\succ|\\succeq|\\mid)/1/g;
3593: $garbage=~s/(\\not<|\\\\not\\le|\\not\\prec|\\not\\preceq|\\not\\subset|\\not\\subseteq|\\not\\sqsubseteq|\\not\\in|\\not>|\\not\\ge|\\not\\succ|\\notsucceq|\\not\\supset|\\notsupseteq|\\not\\sqsupseteq|\\notin|\\not=|\\not\\equiv|\\not\\sim|\\not\\simeq|\\not\\approx|\\not\\cong|\\not\\asymp)/1/g;
1.206 sakharuk 3594: $garbage=~s/(\\leftarrow|\\gets|\\Leftarrow|\\rightarrow|\\to|\\Rightarrow|\\leftrightarrow|\\Leftrightarrow|\\mapsto|\\hookleftarrow|\\leftharpoonup|\\leftkarpoondown|\\rightleftharpoons|\\longleftarrow|\\Longleftarrow|\\longrightarrow|\\Longrightarrow|\\longleftrightarrow|\\Longleftrightarrow|\\longmapsto|\\hookrightarrow|\\rightharpoonup|\\rightharpoondown|\\uparrow|\\Uparrow|\\downarrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\nearrow|\\searrow|\\swarrow|\\nwarrow)/11/g;
3595: $garbage=~s/(\\aleph|\\hbar|\\imath|\\jmath|\\ell|\\wp|\\Re|\\Im|\\mho|\\prime|\\emptyset|\\nabla|\\surd|\\partial|\\top|\\bot|\\vdash|\\dashv|\\forall|\\exists|\\neg|\\flat|\\natural|\\sharp|\\\||\\angle|\\backslash|\\Box|\\Diamond|\\triangle|\\clubsuit|\\diamondsuit|\\heartsuit|\\spadesuit|\\Join|\\infty)/11/g;
3596: $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
3597: #remove some other LaTeX command
3598: $garbage=~s|\\(\w+)\\|\\|g;
3599: $garbage=~s|\\(\w+)(\s*)|$2|g;
3600: $garbage=~s|\+|11|g;
3601:
3602: &Apache::lonnet::logthis("garbage was just $garbage");
1.184 sakharuk 3603: my $value=length($garbage);
3604: return $value;
3605: }
3606:
3607:
3608:
1.94 sakharuk 3609:
1.1 sakharuk 3610: 1;
3611: __END__
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