Annotation of loncom/xml/londefdef.pm, revision 1.311
1.1 sakharuk 1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
1.311 ! albertel 4: # $Id: londefdef.pm,v 1.310 2006/01/04 23:14:24 albertel 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: #
1.1 sakharuk 39:
1.2 albertel 40: package Apache::londefdef;
1.1 sakharuk 41:
1.267 albertel 42: use Apache::lonnet;
1.1 sakharuk 43: use strict;
1.124 sakharuk 44: use Apache::lonxml;
1.57 sakharuk 45: use Apache::File();
1.70 sakharuk 46: use Image::Magick;
1.118 www 47: use Apache::lonmenu();
48: use Apache::lonmeta();
1.187 albertel 49: use Apache::Constants qw(:common);
1.282 foxr 50: use File::Basename;
1.302 foxr 51: # use Data::Dumper;
1.160 sakharuk 52:
1.38 harris41 53: BEGIN {
1.15 sakharuk 54:
1.135 sakharuk 55: &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 56:
1.188 albertel 57: }
58:
1.294 foxr 59: #
60: # Dumps all elements of the table structure.
61: # Need this 'cause evidently when given an array, Data::Dumper only seems
62: # to dump element 0.
63: #
1.302 foxr 64: #sub debug_dump_table {
65: # my $lastrow = $#Apache::londefdef::table;
66: # &Apache::lonnet::logthis("Dumping table: Last row index: $lastrow");
67: # my $row;
68: # for ($row =0; $row <= $lastrow; $row++ ) {
69: # my $text = Dumper($Apache::londefdef::table[$row]);
70: # &Apache::lonnet::logthis("table [ $row ]".$text);
71: # }
72: #}
1.188 albertel 73: sub initialize_londefdef {
74: $Apache::londefdef::TD_redirection=0;
75: @Apache::londefdef::table = ();
76: $Apache::londefdef::select=0;
1.243 albertel 77: undef(@Apache::londefdef::description);
78: @Apache::londefdef::DD=(0);
79: @Apache::londefdef::DT=(0);
1.244 albertel 80: @Apache::londefdef::seenDT=(0);
1.238 albertel 81: $Apache::londefdef::list_index=0;
1.3 sakharuk 82: }
1.1 sakharuk 83:
1.35 sakharuk 84: #======================= TAG SUBROUTINES =====================
1.8 sakharuk 85: #-- <output>
1.21 albertel 86: sub start_output {
1.122 albertel 87: my ($target) = @_;
88: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
89: return '';
1.21 albertel 90: }
91: sub end_output {
1.122 albertel 92: my ($target) = @_;
93: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
94: return '';
1.21 albertel 95: }
1.4 sakharuk 96: #-- <m> tag
1.33 albertel 97: sub start_m {
1.190 albertel 98: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 99: my $currentstring = '';
1.193 albertel 100: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
1.191 albertel 101: if ($target eq 'web' || $target eq 'analyze') {
1.122 albertel 102: &Apache::lonxml::debug("M is starting with:$inside:");
103: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
104: if ($eval eq 'on') {
105: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
106: #&Apache::lonxml::debug("M is evaulated to:$inside:");
107: }
1.276 albertel 108: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
109: $currentstring = &Apache::lontexconvert::converted(\$inside,$display);
1.122 albertel 110: if ($Apache::lontexconvert::errorstring) {
111: &Apache::lonxml::warning("tth error: ".
112: $Apache::lontexconvert::errorstring);
113: $Apache::lontexconvert::errorstring='';
114: }
115: #&Apache::lonxml::debug("M is ends with:$currentstring:");
1.178 albertel 116: $Apache::lonxml::post_evaluate=0;
1.122 albertel 117: } elsif ($target eq 'tex') {
1.190 albertel 118: $currentstring = $inside;
1.178 albertel 119: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
120: if ($eval eq 'on') {
121: $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
122: }
1.122 albertel 123: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
1.257 albertel 124: # detect simple math mode entry exits, and convert them
125: # to use \ensuremath
126: if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {
1.293 albertel 127: $currentstring=~s/^(\s*)\$/$1/;
128: $currentstring=~s/\$(\s*)$/$1/;
1.257 albertel 129: $currentstring='\ensuremath{'.$currentstring.'}';
130: }
1.178 albertel 131: $Apache::lonxml::post_evaluate=0;
1.122 albertel 132: }
133: return $currentstring;
1.33 albertel 134: }
1.122 albertel 135:
1.33 albertel 136: sub end_m {
1.122 albertel 137: my ($target,$token) = @_;
138: my $currentstring = '';
1.204 albertel 139: if ($target eq 'tex') {
1.122 albertel 140: $currentstring = "";
141: }
142: return $currentstring;
1.33 albertel 143: }
1.110 albertel 144:
145: sub start_tthoption {
1.299 albertel 146: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 147: my $result;
148: if ($target eq 'web') {
1.299 albertel 149: my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser,
150: $style);
1.122 albertel 151: $inside=~s/^\s*//;
1.267 albertel 152: if ($env{'browser.mathml'}) {
1.122 albertel 153: &tth::ttmoptions($inside);
154: } else {
155: &tth::tthoptions($inside);
156: }
157: }
158: return $result;
1.110 albertel 159: }
160:
161: sub end_tthoption {
1.122 albertel 162: my ($target,$token) = @_;
163: my $result;
164: return $result;
1.110 albertel 165: }
166:
1.181 sakharuk 167: #-- <html> tag (end tag optional)
1.100 albertel 168: sub start_html {
169: my ($target,$token) = @_;
170: my $currentstring = '';
1.267 albertel 171: my $options=$env{'course.'.$env{'request.course.id'}.'.tthoptions'};
1.196 albertel 172: &Apache::lontexconvert::init_tth();
1.269 albertel 173: if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) {
1.242 albertel 174: $currentstring = &Apache::lonxml::xmlbegin();
1.100 albertel 175: } elsif ($target eq 'tex') {
1.307 foxr 176: $currentstring .= '\documentclass[letterpaper,twoside]{article}';
1.267 albertel 177: if (($env{'form.latex_type'}=~'batchmode') ||
178: (!$env{'request.role.adv'})) {$currentstring .='\batchmode';}
1.217 sakharuk 179: $currentstring .= '\newcommand{\keephidden}[1]{}'.
180: '\renewcommand{\deg}{$^{\circ}$}'.
1.306 foxr 181: '\usepackage{multirow}'.
1.217 sakharuk 182: '\usepackage{longtable}'.
183: '\usepackage{textcomp}'.
184: '\usepackage{makeidx}'.
185: '\usepackage[dvips]{graphicx}'.
1.286 foxr 186: '\usepackage{wrapfig}'.
1.248 foxr 187: '\usepackage{picins}'.
1.217 sakharuk 188: '\usepackage{epsfig}'.
189: '\usepackage{calc}'.
190: '\usepackage{amsmath}'.
191: '\usepackage{amssymb}'.
192: '\usepackage{amsfonts}'.
193: '\usepackage{amsthm}'.
194: '\usepackage{amscd}'.
195: '\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}}'.
196: '\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 197: }
198: return $currentstring;
199: }
1.122 albertel 200:
201: sub end_html {
1.232 sakharuk 202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 203: my $currentstring = '';
204: if ($target eq 'web') {
1.259 albertel 205: $currentstring = '</html>';
1.122 albertel 206: }
207: return $currentstring;
208: }
209:
1.181 sakharuk 210: #-- <head> tag (end tag optional)
1.122 albertel 211: sub start_head {
212: my ($target,$token) = @_;
213: my $currentstring = '';
214: if ($target eq 'web') {
1.242 albertel 215: $currentstring = $token->[4].&Apache::lonxml::fontsettings();
1.122 albertel 216: }
217: return $currentstring;
218: }
219:
220: sub end_head {
221: my ($target,$token) = @_;
222: my $currentstring = '';
1.267 albertel 223: if ($target eq 'web' && $env{'request.state'} eq 'published') {
1.122 albertel 224: $currentstring = &Apache::lonmenu::registerurl(undef,$target).
225: $token->[2];
226: }
227: return $currentstring;
228: }
229:
1.181 sakharuk 230: #-- <map> tag (end tag required)
1.122 albertel 231: sub start_map {
232: my ($target,$token) = @_;
233: my $currentstring = '';
234: if ($target eq 'web') {
235: $currentstring = $token->[4];
236: }
237: return $currentstring;
238: }
239:
240: sub end_map {
241: my ($target,$token) = @_;
242: my $currentstring = '';
243: if ($target eq 'web') {
244: $currentstring = $token->[2];
245: }
246: return $currentstring;
247: }
248:
1.181 sakharuk 249: #-- <select> tag (end tag required)
1.122 albertel 250: sub start_select {
251: my ($target,$token) = @_;
252: my $currentstring = '';
253: if ($target eq 'web') {
254: $currentstring = $token->[4];
1.181 sakharuk 255: } elsif ($target eq 'tex') {
256: $Apache::londefdef::select=0;
257: }
1.122 albertel 258: return $currentstring;
259: }
260:
261: sub end_select {
262: my ($target,$token) = @_;
263: my $currentstring = '';
264: if ($target eq 'web') {
265: $currentstring = $token->[2];
266: }
267: return $currentstring;
268: }
269:
1.181 sakharuk 270: #-- <option> tag (end tag optional)
1.122 albertel 271: sub start_option {
1.181 sakharuk 272: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 273: my $currentstring = '';
274: if ($target eq 'web') {
275: $currentstring = $token->[4];
1.181 sakharuk 276: } elsif ($target eq 'tex') {
277: $Apache::londefdef::select++;
278: if ($Apache::londefdef::select == 1) {
279: $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
280: } else {
281: $currentstring='\keephidden{';
282: }
283: }
1.122 albertel 284: return $currentstring;
285: }
286:
287: sub end_option {
288: my ($target,$token) = @_;
289: my $currentstring = '';
290: if ($target eq 'web') {
291: $currentstring = $token->[2];
1.181 sakharuk 292: } elsif ($target eq 'tex') {
293: $currentstring='}';
294: }
1.122 albertel 295: return $currentstring;
296: }
297:
1.181 sakharuk 298: #-- <input> tag (end tag forbidden)
1.122 albertel 299: sub start_input {
300: my ($target,$token) = @_;
301: my $currentstring = '';
302: if ($target eq 'web') {
303: $currentstring = $token->[4];
304: }
305: return $currentstring;
306: }
307:
308: sub end_input {
309: my ($target,$token) = @_;
310: my $currentstring = '';
311: if ($target eq 'web') {
312: $currentstring = $token->[2];
313: }
314: return $currentstring;
315: }
316:
1.181 sakharuk 317: #-- <textarea> tag (end tag required)
1.122 albertel 318: sub start_textarea {
319: my ($target,$token) = @_;
320: my $currentstring = '';
321: if ($target eq 'web') {
322: $currentstring = $token->[4];
323: }
324: return $currentstring;
325: }
326:
327: sub end_textarea {
328: my ($target,$token) = @_;
329: my $currentstring = '';
330: if ($target eq 'web') {
331: $currentstring = $token->[2];
332: }
333: return $currentstring;
334: }
335:
1.181 sakharuk 336: #-- <form> tag (end tag required)
1.122 albertel 337: sub start_form {
338: my ($target,$token) = @_;
339: my $currentstring = '';
340: if ($target eq 'web') {
341: $currentstring = $token->[4];
342: }
343: return $currentstring;
344: }
345:
346: sub end_form {
347: my ($target,$token) = @_;
348: my $currentstring = '';
349: if ($target eq 'web') {
350: $currentstring = $token->[2];
351: }
352: return $currentstring;
353: }
354:
1.181 sakharuk 355: #-- <title> tag (end tag required)
1.122 albertel 356: sub start_title {
357: my ($target,$token) = @_;
358: my $currentstring = '';
359: if ($target eq 'web') {
360: $currentstring = $token->[4];
361: } elsif ($target eq 'tex') {
1.166 sakharuk 362: $currentstring .= '\keephidden{Title of the document: '
1.122 albertel 363: }
364: if ($target eq 'meta') {
365: $currentstring='<title>';
1.185 albertel 366: &start_output($target);
1.122 albertel 367: }
368: return $currentstring;
369: }
370:
371: sub end_title {
372: my ($target,$token) = @_;
373: my $currentstring = '';
374: if ($target eq 'web') {
375: $currentstring = $token->[2];
376: } elsif ($target eq 'tex') {
377: $currentstring .= '}';
378: }
379: if ($target eq 'meta') {
1.185 albertel 380: &end_output($target);
1.122 albertel 381: $currentstring='</title>';
382: }
383: return $currentstring;
384: }
385:
1.181 sakharuk 386: #-- <meta> tag (end tag forbidden)
1.122 albertel 387: sub start_meta {
1.299 albertel 388: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 389: my $currentstring = '';
390: if ($target eq 'web') {
391: my $args='';
392: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
393: if ($args eq '') {
1.299 albertel 394: &Apache::lonxml::get_all_text("/meta",$parser,$style);
1.122 albertel 395: } else {
396: $currentstring = $token->[4];
1.1 sakharuk 397: }
1.135 sakharuk 398: } elsif ($target eq 'meta') {
1.122 albertel 399: unless (&Apache::lonxml::get_param
400: ('http-equiv',$parstack,$safeeval,undef,1)) {
401: my $name=$token->[2]->{'name'};
402: $name=~tr/A-Z/a-z/;
403: $name=~s/\s/\_/gs;
404: $name=~s/\W//gs;
405: if ($name) {
1.154 www 406: $currentstring='<'.$name;
407: my $display=&Apache::lonxml::get_param
408: ('display',$parstack,$safeeval,undef,1);
409: if ($display) {
410: $display=~s/\"/\'/g;
411: $currentstring.=' display="'.$display.'"';
412: }
413: $currentstring.='>'.
1.122 albertel 414: &Apache::lonxml::get_param
415: ('content',$parstack,$safeeval,undef,1).
1.135 sakharuk 416: '</'.$name.'>';
1.1 sakharuk 417: }
1.154 www 418: my $display=&Apache::lonxml::get_param
419: ('display',$parstack,$safeeval,undef,1);
420: if ($display) {
1.204 albertel 421: $display=&HTML::Entities::encode($display,'<>&"');
1.154 www 422: $currentstring.='<'.$name.'.display>'.$display.
423: '</'.$name.'.display>';
424: }
1.1 sakharuk 425: }
1.135 sakharuk 426: } elsif ($target eq 'tex') {
1.151 sakharuk 427: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
428: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
429: if ((not defined $content) && (not defined $name)) {
430: &Apache::lonxml::startredirection();
431: }
1.122 albertel 432: }
433: return $currentstring;
434: }
435:
436: sub end_meta {
1.165 albertel 437: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 438: my $currentstring = '';
439: if ($target eq 'web') {
440: my $args='';
441: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
442: if ($args ne '') {
1.121 www 443: $currentstring = $token->[4];
1.122 albertel 444: }
1.135 sakharuk 445: } elsif ($target eq 'tex') {
1.165 albertel 446: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
447: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
1.164 albertel 448: if ((not defined $content) && (not defined $name)) {
1.169 albertel 449: &Apache::lonxml::endredirection();
1.164 albertel 450: }
1.135 sakharuk 451: }
1.122 albertel 452: return $currentstring;
453: }
454:
1.121 www 455: # accessrule
1.122 albertel 456: sub start_accessrule {
1.299 albertel 457: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 458: my $currentstring = '';
459: my $eff=&Apache::lonxml::get_param
460: ('effect',$parstack,$safeeval,undef,1);
461: my $realm=&Apache::lonxml::get_param
462: ('realm',$parstack,$safeeval,undef,1);
1.123 www 463: my $role=&Apache::lonxml::get_param
464: ('role',$parstack,$safeeval,undef,1);
465: $realm=~s/\s+//g;
466: $realm=~s/\//\_/g;
467: $realm=~s/^\_//;
468: $realm=~s/\W/\;/g;
469: $role=~s/\s+//g;
470: $role=~s/\//\_/g;
471: $role=~s/\W/\;/g;
1.122 albertel 472: if ($target eq 'web') {
473: my $args='';
474: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
475: if ($args eq '') {
1.299 albertel 476: &Apache::lonxml::get_all_text("/accessrule",$parser,$style);
1.122 albertel 477: } else {
478: $currentstring = $token->[4];
479: }
480: }
481: if ($target eq 'meta') {
1.123 www 482: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';
1.122 albertel 483: }
484: return $currentstring;
485: }
486:
487: sub end_accessrule {
488: my ($target,$token,$tagstack,$parstack,$parser) = @_;
489: my $currentstring = '';
490: if ($target eq 'web') {
491: my $args='';
492: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
493: if ($args ne '') {
494: $currentstring = $token->[4];
495: }
496: }
497: return $currentstring;
498: }
499:
1.181 sakharuk 500: #-- <body> tag (end tag required)
1.122 albertel 501: sub start_body {
502: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
503: my $currentstring = '';
1.244 albertel 504:
1.122 albertel 505: if ($target eq 'web') {
1.170 albertel 506: if ($Apache::lonhomework::parsing_a_problem) {
507: &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
508: return '';
509: }
1.180 albertel 510: if (!$Apache::lonxml::registered &&
1.267 albertel 511: $env{'request.state'} eq 'published') {
1.122 albertel 512: $currentstring.='<head>'.
513: &Apache::lonmenu::registerurl(undef,$target).'</head>';
514: }
1.155 www 515: # Accessibility
1.267 albertel 516: if ($env{'browser.imagesuppress'} eq 'on') {
1.155 www 517: delete($token->[2]->{'background'});
518: }
1.267 albertel 519: if ($env{'browser.fontenhance'} eq 'on') {
1.155 www 520: my $style='';
521: foreach my $key (keys(%{$token->[2]})) {
522: if ($key =~ /^style$/i) {
523: $style.=$token->[2]->{$key}.';';
524: delete($token->[2]->{$key});
525: }
526: }
527: $token->[2]->{'style'}=$style.'; font-size: x-large;';
528: }
1.267 albertel 529: if ($env{'browser.blackwhite'} eq 'on') {
1.155 www 530: delete($token->[2]->{'font'});
531: delete($token->[2]->{'link'});
532: delete($token->[2]->{'alink'});
533: delete($token->[2]->{'vlink'});
534: delete($token->[2]->{'bgcolor'});
535: delete($token->[2]->{'background'});
536: }
537: # Overload loads
1.122 albertel 538: my $onLoad='';
539: foreach my $key (keys(%{$token->[2]})) {
540: if ($key =~ /^onload$/i) {
541: $onLoad.=$token->[2]->{$key}.';';
542: delete($token->[2]->{$key});
1.121 www 543: }
1.122 albertel 544: }
545: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
546: my $onUnload='';
547: foreach my $key (keys(%{$token->[2]})) {
548: if ($key =~ /^onunload$/i) {
549: $onUnload.=$token->[2]->{$key}.';';
550: delete($token->[2]->{$key});
1.121 www 551: }
552: }
1.122 albertel 553: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
554: ';'.$onUnload;
555:
1.278 www 556: $currentstring .= '<'.$token->[1];
1.122 albertel 557: foreach (keys %{$token->[2]}) {
558: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
559: }
1.278 www 560: $currentstring.='>';
1.284 albertel 561: &Apache::lontexconvert::jsMath_reset();
562: if ($env{'environment.texengine'} eq 'jsMath') {
563: $currentstring.=&Apache::lontexconvert::jsMath_header();
564: }
1.267 albertel 565: if ($env{'request.state'} ne 'published') {
1.278 www 566: if ($env{'environment.remote'} eq 'off') {
567: $currentstring.=
568: &Apache::lonmenu::constspaceform().
569: &Apache::lonmenu::menubuttons(1,'web',1);
570: }
1.122 albertel 571: $currentstring.=(<<EDITBUTTON);
1.278 www 572: <form method="post">
573: <input type="submit" name="editmode" accesskey="e" value="Edit" />
574: </form>
1.40 albertel 575: EDITBUTTON
1.122 albertel 576: } else {
577: $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
1.1 sakharuk 578: }
1.201 albertel 579: $currentstring.=&Apache::lonxml::message_location();
1.122 albertel 580: } elsif ($target eq 'tex') {
581: $currentstring = '\begin{document}';
582: }
583: return $currentstring;
584: }
585:
586: sub end_body {
1.259 albertel 587: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 588: my $currentstring = &end_p(); # Close off unclosed <p>
1.122 albertel 589: if ($target eq 'web') {
1.277 foxr 590: $currentstring .= &Apache::lonxml::xmlend($target,$parser);
1.122 albertel 591: } elsif ($target eq 'tex') {
1.277 foxr 592: $currentstring .= '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
1.122 albertel 593: }
594: return $currentstring;
595: }
596:
1.309 albertel 597: # \begin{center} causes a new paragprah spacing that looks odd inside
598: # of a table cell
599: sub center_correction { return '\vspace*{-6 mm}'; }
1.181 sakharuk 600: #-- <center> tag (end tag required)
1.122 albertel 601: sub start_center {
1.309 albertel 602: my ($target,$token,$tagstack) = @_;
1.279 foxr 603: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 604: if ($target eq 'web') {
1.277 foxr 605: $currentstring .= $token->[4];
1.122 albertel 606: } elsif ($target eq 'tex') {
1.309 albertel 607: if (&is_inside_of($tagstack, "table")) {
608: $currentstring .= ¢er_correction();
609: }
1.277 foxr 610: $currentstring .= '\begin{center}';
1.144 sakharuk 611: }
1.122 albertel 612: return $currentstring;
613: }
614:
615: sub end_center {
1.309 albertel 616: my ($target,$token,$tagstack) = @_;
1.122 albertel 617: my $currentstring = '';
618: if ($target eq 'web') {
619: $currentstring = $token->[2];
620: } elsif ($target eq 'tex') {
621: $currentstring = '\end{center}';
1.309 albertel 622: if (&is_inside_of($tagstack, "table")) {
623: $currentstring .= ¢er_correction();
624: }
1.144 sakharuk 625: }
1.122 albertel 626: return $currentstring;
627: }
628:
1.181 sakharuk 629: #-- <b> tag (end tag required)
1.279 foxr 630: # NOTE: In TeX mode disables internal <p>
1.122 albertel 631: sub start_b {
632: my ($target,$token) = @_;
633: my $currentstring = '';
634: if ($target eq 'web') {
635: $currentstring = $token->[4];
636: } elsif ($target eq 'tex') {
1.279 foxr 637: &disable_para();
638: $currentstring .= '\textbf{';
1.122 albertel 639: }
640: return $currentstring;
641: }
642:
643: sub end_b {
644: my ($target,$token) = @_;
645: my $currentstring = '';
646: if ($target eq 'web') {
647: $currentstring = $token->[2];
648: } elsif ($target eq 'tex') {
1.279 foxr 649: &enable_para();
650: $currentstring = '}';
1.122 albertel 651: }
652: return $currentstring;
653: }
1.35 sakharuk 654:
1.181 sakharuk 655: #-- <strong> tag (end tag required)
1.279 foxr 656: # NOTE: in TeX mode disables internal <p>
1.122 albertel 657: sub start_strong {
658: my ($target,$token) = @_;
659: my $currentstring = '';
660: if ($target eq 'web') {
661: $currentstring = $token->[4];
662: } elsif ($target eq 'tex') {
1.279 foxr 663: &disable_para();
1.122 albertel 664: $currentstring = '\textbf{';
665: }
666: return $currentstring;
667: }
668:
669: sub end_strong {
670: my ($target,$token) = @_;
671: my $currentstring = '';
1.182 sakharuk 672: if ($target eq 'web') {
1.122 albertel 673: $currentstring = $token->[2];
674: } elsif ($target eq 'tex') {
1.279 foxr 675: &enable_para();
1.122 albertel 676: $currentstring = '}';
1.144 sakharuk 677: }
1.122 albertel 678: return $currentstring;
679: }
680:
1.181 sakharuk 681: #-- <h1> tag (end tag required)
1.122 albertel 682: sub start_h1 {
1.125 sakharuk 683: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 684: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 685: if ($target eq 'web') {
686: $currentstring .= $token->[4];
687: } elsif ($target eq 'tex') {
1.125 sakharuk 688: my $pre;
1.199 albertel 689: my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
1.212 sakharuk 690: if ($align eq 'center') {
1.125 sakharuk 691: $pre='\begin{center}';
692: } elsif ($align eq 'left') {
693: $pre='\rlap{';
694: } elsif ($align eq 'right') {
695: $pre=' \hfill \llap{';
696: }
697: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
698: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 699: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 700: } elsif ($target eq 'meta') {
1.277 foxr 701: $currentstring.='<subject>';
1.185 albertel 702: &start_output($target);
1.122 albertel 703: }
704: return $currentstring;
705: }
706:
707: sub end_h1 {
1.125 sakharuk 708: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 709: my $currentstring = '';
710: if ($target eq 'web') {
711: $currentstring .= $token->[2];
712: } elsif ($target eq 'tex') {
1.212 sakharuk 713: my $post='\vskip 0 mm ';
1.125 sakharuk 714: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 715: if ($align eq 'center') {
1.125 sakharuk 716: $post='\end{center}';
717: } elsif ($align eq 'left') {
718: $post='} \hfill'.'\vskip 0 mm ';
719: } elsif ($align eq 'right') {
720: $post='}'.'\vskip 0 mm ';
721: }
722: $currentstring .= '}}'.$post;
1.122 albertel 723: } elsif ($target eq 'meta') {
1.185 albertel 724: &end_output($target);
1.122 albertel 725: $currentstring='</subject>';
726: }
727: return $currentstring;
728: }
729:
1.35 sakharuk 730: #-- <h2> tag
1.122 albertel 731: sub start_h2 {
1.125 sakharuk 732: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 733: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 734: if ($target eq 'web') {
735: $currentstring .= $token->[4];
736: } elsif ($target eq 'tex') {
1.125 sakharuk 737: my $pre;
738: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 739: if ($align eq 'center') {
1.125 sakharuk 740: $pre='\begin{center}';
741: } elsif ($align eq 'left') {
742: $pre='\rlap{';
743: } elsif ($align eq 'right') {
744: $pre=' \hfill \llap{';
745: }
746: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
747: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 748: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 749: }
750: return $currentstring;
751: }
752:
753: sub end_h2 {
1.125 sakharuk 754: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 755: my $currentstring = '';
756: if ($target eq 'web') {
757: $currentstring .= $token->[2];
758: } elsif ($target eq 'tex') {
1.212 sakharuk 759: my $post='\vskip 0 mm ';
1.125 sakharuk 760: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 761: if ($align eq 'center') {
1.125 sakharuk 762: $post='\end{center}';
763: } elsif ($align eq 'left') {
764: $post='} \hfill'.'\vskip 0 mm ';
765: } elsif ($align eq 'right') {
766: $post='}'.'\vskip 0 mm ';
767: }
768: $currentstring .= '}}'.$post;
1.122 albertel 769: }
770: return $currentstring;
771: }
772:
1.35 sakharuk 773: #-- <h3> tag
1.122 albertel 774: sub start_h3 {
1.125 sakharuk 775: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 776: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 777: if ($target eq 'web') {
778: $currentstring .= $token->[4];
779: } elsif ($target eq 'tex') {
1.125 sakharuk 780: my $pre;
781: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 782: if ($align eq 'center') {
1.125 sakharuk 783: $pre='\begin{center}';
784: } elsif ($align eq 'left') {
785: $pre='\rlap{';
786: } elsif ($align eq 'right') {
787: $pre=' \hfill \llap{';
788: }
789: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
790: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 791: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 792: }
793: return $currentstring;
794: }
795:
796: sub end_h3 {
1.125 sakharuk 797: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 798: my $currentstring = '';
799: if ($target eq 'web') {
800: $currentstring .= $token->[2];
801: } elsif ($target eq 'tex') {
1.212 sakharuk 802: my $post='\vskip 0 mm ';
1.125 sakharuk 803: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 804: if ($align eq 'center') {
1.125 sakharuk 805: $post='\end{center}';
806: } elsif ($align eq 'left') {
807: $post='} \hfill'.'\vskip 0 mm ';
808: } elsif ($align eq 'right') {
809: $post='}'.'\vskip 0 mm ';
810: }
811: $currentstring .= '}}'.$post;
1.122 albertel 812: }
813: return $currentstring;
814: }
815:
1.35 sakharuk 816: #-- <h4> tag
1.122 albertel 817: sub start_h4 {
1.125 sakharuk 818: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 819: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 820: if ($target eq 'web') {
821: $currentstring .= $token->[4];
822: } elsif ($target eq 'tex') {
1.125 sakharuk 823: my $pre;
824: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 825: if ($align eq 'center') {
1.125 sakharuk 826: $pre='\begin{center}';
827: } elsif ($align eq 'left') {
828: $pre='\rlap{';
829: } elsif ($align eq 'right') {
830: $pre=' \hfill \llap{';
831: }
832: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
833: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 834: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 835: }
836: return $currentstring;
837: }
838:
839: sub end_h4 {
1.125 sakharuk 840: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 841: my $currentstring = '';
842: if ($target eq 'web') {
843: $currentstring .= $token->[2];
844: } elsif ($target eq 'tex') {
1.212 sakharuk 845: my $post='\vskip 0 mm ';
1.125 sakharuk 846: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 847: if ($align eq 'center') {
1.125 sakharuk 848: $post='\end{center}';
849: } elsif ($align eq 'left') {
850: $post='} \hfill'.'\vskip 0 mm ';
851: } elsif ($align eq 'right') {
852: $post='}'.'\vskip 0 mm ';
853: }
854: $currentstring .= '}}'.$post;
1.122 albertel 855: }
856: return $currentstring;
857: }
858:
1.35 sakharuk 859: #-- <h5> tag
1.122 albertel 860: sub start_h5 {
1.125 sakharuk 861: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 862: my $currentstring = &end_p(); # Close off any prior paras.
1.122 albertel 863: if ($target eq 'web') {
864: $currentstring .= $token->[4];
865: } elsif ($target eq 'tex') {
1.125 sakharuk 866: my $pre;
867: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 868: if ($align eq 'center') {
1.125 sakharuk 869: $pre='\begin{center}';
870: } elsif ($align eq 'left') {
871: $pre='\rlap{';
872: } elsif ($align eq 'right') {
873: $pre=' \hfill \llap{';
874: }
875: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
876: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 877: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 878: }
879: return $currentstring;
880: }
881:
882: sub end_h5 {
1.125 sakharuk 883: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 884: my $currentstring = '';
885: if ($target eq 'web') {
886: $currentstring .= $token->[2];
887: } elsif ($target eq 'tex') {
1.212 sakharuk 888: my $post='\vskip 0 mm ';
1.125 sakharuk 889: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 890: if ($align eq 'center') {
1.125 sakharuk 891: $post='\end{center}';
892: } elsif ($align eq 'left') {
893: $post='} \hfill'.'\vskip 0 mm ';
894: } elsif ($align eq 'right') {
895: $post='}'.'\vskip 0 mm ';
896: }
897: $currentstring .= '}}'.$post;
1.122 albertel 898: }
899: return $currentstring;
900: }
901:
1.35 sakharuk 902: #-- <h6> tag
1.122 albertel 903: sub start_h6 {
1.125 sakharuk 904: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 905: my $currentstring = &end_p(); # Close off any prior paras.
1.122 albertel 906: if ($target eq 'web') {
907: $currentstring .= $token->[4];
908: } elsif ($target eq 'tex') {
1.125 sakharuk 909: my $pre;
910: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 911: if ($align eq 'center') {
1.125 sakharuk 912: $pre='\begin{center}';
913: } elsif ($align eq 'left') {
914: $pre='\rlap{';
915: } elsif ($align eq 'right') {
916: $pre=' \hfill \llap{';
917: }
918: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
919: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 920: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 921: }
922: return $currentstring;
923: }
924:
925: sub end_h6 {
1.125 sakharuk 926: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 927: my $currentstring = '';
928: if ($target eq 'web') {
929: $currentstring .= $token->[2];
930: } elsif ($target eq 'tex') {
1.212 sakharuk 931: my $post='\vskip 0 mm ';
1.125 sakharuk 932: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 933: if ($align eq 'center') {
1.125 sakharuk 934: $post='\end{center}';
935: } elsif ($align eq 'left') {
936: $post='} \hfill'.'\vskip 0 mm ';
937: } elsif ($align eq 'right') {
938: $post='}'.'\vskip 0 mm ';
939: }
940: $currentstring .= '}}'.$post;
1.122 albertel 941: }
942: return $currentstring;
943: }
944:
1.181 sakharuk 945: #--- <cite> tag (end tag required)
1.122 albertel 946: sub start_cite {
947: my ($target,$token) = @_;
948: my $currentstring = '';
949: if ($target eq 'web') {
950: $currentstring .= $token->[4];
951: } elsif ($target eq 'tex') {
1.179 sakharuk 952: $currentstring .= '\textit{';
1.144 sakharuk 953: }
1.122 albertel 954: return $currentstring;
955: }
956:
957: sub end_cite {
958: my ($target,$token) = @_;
959: my $currentstring = '';
960: if ($target eq 'web') {
961: $currentstring .= $token->[2];
962: } elsif ($target eq 'tex') {
1.179 sakharuk 963: $currentstring .= '}';
1.144 sakharuk 964: }
1.122 albertel 965: return $currentstring;
966: }
967:
1.181 sakharuk 968: #-- <i> tag (end tag required)
1.122 albertel 969: sub start_i {
970: my ($target,$token) = @_;
971: my $currentstring = '';
972: if ($target eq 'web') {
973: $currentstring .= $token->[4];
974: } elsif ($target eq 'tex') {
975: $currentstring .= '\textit{';
1.144 sakharuk 976: }
1.122 albertel 977: return $currentstring;
978: }
979:
980: sub end_i {
981: my ($target,$token) = @_;
982: my $currentstring = '';
983: if ($target eq 'web') {
984: $currentstring .= $token->[2];
985: } elsif ($target eq 'tex') {
986: $currentstring .= '}';
987: }
988: return $currentstring;
989: }
990:
1.181 sakharuk 991: #-- <address> tag (end tag required)
1.122 albertel 992: sub start_address {
993: my ($target,$token) = @_;
994: my $currentstring = '';
995: if ($target eq 'web') {
996: $currentstring .= $token->[4];
997: } elsif ($target eq 'tex') {
1.179 sakharuk 998: $currentstring .= '\textit{';
1.144 sakharuk 999: }
1.122 albertel 1000: return $currentstring;
1001: }
1002:
1003: sub end_address {
1004: my ($target,$token) = @_;
1005: my $currentstring = '';
1006: if ($target eq 'web') {
1007: $currentstring .= $token->[2];
1008: } elsif ($target eq 'tex') {
1.179 sakharuk 1009: $currentstring .= '}';
1.122 albertel 1010: }
1011: return $currentstring;
1012: }
1013:
1.181 sakharuk 1014: #-- <dfn> tag (end tag required)
1.122 albertel 1015: sub start_dfn {
1016: my ($target,$token) = @_;
1017: my $currentstring = '';
1018: if ($target eq 'web') {
1019: $currentstring .= $token->[4];
1020: } elsif ($target eq 'tex') {
1.179 sakharuk 1021: $currentstring .= '\textit{';
1.122 albertel 1022: }
1023: return $currentstring;
1024: }
1025:
1026: sub end_dfn {
1027: my ($target,$token) = @_;
1028: my $currentstring = '';
1029: if ($target eq 'web') {
1030: $currentstring .= $token->[2];
1031: } elsif ($target eq 'tex') {
1.179 sakharuk 1032: $currentstring .= '}';
1.144 sakharuk 1033: }
1.122 albertel 1034: return $currentstring;
1035: }
1036:
1.181 sakharuk 1037: #-- <tt> tag (end tag required)
1.122 albertel 1038: sub start_tt {
1039: my ($target,$token) = @_;
1040: my $currentstring = '';
1041: if ($target eq 'web') {
1042: $currentstring .= $token->[4];
1043: } elsif ($target eq 'tex') {
1044: $currentstring .= '\texttt{';
1.144 sakharuk 1045: }
1.122 albertel 1046: return $currentstring;
1047: }
1048:
1049: sub end_tt {
1050: my ($target,$token) = @_;
1051: my $currentstring = '';
1052: if ($target eq 'web') {
1053: $currentstring .= $token->[2];
1054: } elsif ($target eq 'tex') {
1055: $currentstring .= '}';
1056: }
1057: return $currentstring;
1058: }
1059:
1.181 sakharuk 1060: #-- <kbd> tag (end tag required)
1.122 albertel 1061: sub start_kbd {
1062: my ($target,$token) = @_;
1063: my $currentstring = '';
1064: if ($target eq 'web') {
1065: $currentstring .= $token->[4];
1066: } elsif ($target eq 'tex') {
1.179 sakharuk 1067: $currentstring .= '\texttt{';
1.144 sakharuk 1068: }
1.122 albertel 1069: return $currentstring;
1070: }
1071:
1072: sub end_kbd {
1073: my ($target,$token) = @_;
1074: my $currentstring = '';
1075: if ($target eq 'web') {
1076: $currentstring .= $token->[2];
1077: } elsif ($target eq 'tex') {
1.179 sakharuk 1078: $currentstring .= '}';
1.144 sakharuk 1079: }
1.122 albertel 1080: return $currentstring;
1081: }
1082:
1.181 sakharuk 1083: #-- <code> tag (end tag required)
1.122 albertel 1084: sub start_code {
1085: my ($target,$token) = @_;
1086: my $currentstring = '';
1087: if ($target eq 'web') {
1088: $currentstring .= $token->[4];
1089: } elsif ($target eq 'tex') {
1090: $currentstring .= '\texttt{';
1091: }
1092: return $currentstring;
1093: }
1094:
1095: sub end_code {
1096: my ($target,$token) = @_;
1097: my $currentstring = '';
1098: if ($target eq 'web') {
1099: $currentstring .= $token->[2];
1100: } elsif ($target eq 'tex') {
1101: $currentstring .= '}';
1102: }
1103: return $currentstring;
1104: }
1105:
1.181 sakharuk 1106: #-- <em> tag (end tag required)
1.122 albertel 1107: sub start_em {
1108: my ($target,$token) = @_;
1109: my $currentstring = '';
1110: if ($target eq 'web') {
1111: $currentstring .= $token->[4];
1112: } elsif ($target eq 'tex') {
1113: $currentstring .= '\emph{';
1.144 sakharuk 1114: }
1.122 albertel 1115: return $currentstring;
1116: }
1117:
1118: sub end_em {
1119: my ($target,$token) = @_;
1120: my $currentstring = '';
1121: if ($target eq 'web') {
1122: $currentstring .= $token->[2];
1123: } elsif ($target eq 'tex') {
1124: $currentstring .= '}';
1.144 sakharuk 1125: }
1.122 albertel 1126: return $currentstring;
1127: }
1128:
1.181 sakharuk 1129: #-- <q> tag (end tag required)
1.122 albertel 1130: sub start_q {
1131: my ($target,$token) = @_;
1132: my $currentstring = '';
1133: if ($target eq 'web') {
1134: $currentstring .= $token->[4];
1135: } elsif ($target eq 'tex') {
1.179 sakharuk 1136: $currentstring .= '\emph{';
1.122 albertel 1137: }
1138: return $currentstring;
1139: }
1140:
1141: sub end_q {
1142: my ($target,$token) = @_;
1143: my $currentstring = '';
1144: if ($target eq 'web') {
1145: $currentstring .= $token->[2];
1146: } elsif ($target eq 'tex') {
1.179 sakharuk 1147: $currentstring .= '}';
1.144 sakharuk 1148: }
1.122 albertel 1149: return $currentstring;
1150: }
1151:
1.277 foxr 1152: # <p> is a bit strange since it does not require a closing </p>
1153: # However in latex, we must often output closing stuff to end
1154: # environments and {}'s etc. Therefore we do all the work
1155: # of figuring out the ending strings in the start tag processing,
1156: # and provide a mechanism to output the stop text external
1157: # to tag processing.
1158: #
1159: {
1160:
1161: my $closing_string = ''; # String required to close <p>
1162:
1.279 foxr 1163: # Some tags are <p> fragile meaning that <p> inside of them
1164: # does not work within TeX mode. This is managed via the
1165: # counter below:
1166: #
1167:
1168: my $para_disabled = 0;
1169:
1170: sub disable_para {
1171: $para_disabled++;
1172: }
1173: sub enable_para {
1174: $para_disabled--;
1175: }
1176:
1177:
1.181 sakharuk 1178: #-- <p> tag (end tag optional)
1.198 sakharuk 1179: #optional attribute - align="center|left|right"
1.122 albertel 1180: sub start_p {
1.157 sakharuk 1181: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1182: my $currentstring = '';
1.122 albertel 1183: if ($target eq 'web') {
1.279 foxr 1184: $currentstring .= &end_p(); # close off prior para if in progress.
1.122 albertel 1185: $currentstring .= $token->[4];
1.279 foxr 1186: if (! ($currentstring =~ /\//)) {
1187: $closing_string = '</p>'; # Deal correctly with <p /> e.g.
1188: }
1189: } elsif ($target eq 'tex' && !$para_disabled) {
1190: $currentstring .= &end_p(); # close off prior para if in progress.
1.198 sakharuk 1191: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1192: if ($align eq 'center') {
1.277 foxr 1193: $currentstring .='\begin{center}\par';
1194: $closing_string = '\end{center}';
1.309 albertel 1195: if (&is_inside_of($tagstack, "table")) {
1196: $currentstring = ¢er_correction().$currentstring;
1197: $closing_string .= ¢er_correction();
1198: }
1.198 sakharuk 1199: } elsif ($align eq 'right') {
1.277 foxr 1200: $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
1201: $closing_string= '}}';
1.198 sakharuk 1202: } elsif ($align eq 'left') {
1.277 foxr 1203: $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{\rlap{';
1204: $closing_string = '}\hfill}';
1.216 matthew 1205: } else {
1.277 foxr 1206: $currentstring.='\par ';
1.279 foxr 1207: $closing_string = '\strut\\\\\strut ';
1.216 matthew 1208: }
1.277 foxr 1209:
1.144 sakharuk 1210: }
1.122 albertel 1211: return $currentstring;
1212: }
1.277 foxr 1213: #
1214: # End paragraph processing just requires that we output the
1215: # closing string that was saved and blank it.
1216: sub end_p {
1.279 foxr 1217: # Note only 'tex' mode uses disable_para and enable_para
1218: # so we don't need to know the target in the check below:
1219:
1220: if (!$para_disabled) {
1221: my $current_string = $closing_string;
1222: $closing_string = ''; # Not in a para anymore.
1223: return $current_string;
1224: } else {
1225: return '';
1226: }
1.122 albertel 1227:
1228: }
1.277 foxr 1229: }
1.181 sakharuk 1230: #-- <br> tag (end tag forbidden)
1.122 albertel 1231: sub start_br {
1232: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1233: my $currentstring = '';
1234: if ($target eq 'web') {
1235: $currentstring .= $token->[4];
1236: } elsif ($target eq 'tex') {
1.227 sakharuk 1237: my @tempo=@$tagstack;
1.229 sakharuk 1238: my $signal=0;
1.287 foxr 1239: # Not going to factor this to is_inside_of since that would require
1240: # multiple stack traversals.
1241: #
1.227 sakharuk 1242: for (my $i=$#tempo;$i>=0;$i--) {
1243: if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') ||
1.230 sakharuk 1244: ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul') ||
1245: ($tempo[$i] eq 'td') || ($tempo[$i] eq 'th')) {
1.229 sakharuk 1246: $signal=1;
1.227 sakharuk 1247: last;
1248: }
1249: }
1.229 sakharuk 1250: if ($signal) {
1.219 sakharuk 1251: $currentstring .= ' \vskip 0 mm ';
1252: } elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
1253: $currentstring .= '\strut \\\\ \strut ';
1.1 sakharuk 1254: }
1.144 sakharuk 1255: }
1.122 albertel 1256: return $currentstring;
1257: }
1258:
1259: sub end_br {
1260: my ($target,$token) = @_;
1261: my $currentstring = '';
1262: if ($target eq 'web') {
1263: $currentstring .= $token->[2];
1264: }
1265: return $currentstring;
1266: }
1267:
1.181 sakharuk 1268: #-- <big> tag (end tag required)
1.122 albertel 1269: sub start_big {
1270: my ($target,$token) = @_;
1271: my $currentstring = '';
1272: if ($target eq 'web') {
1273: $currentstring .= $token->[4];
1274: } elsif ($target eq 'tex') {
1.137 sakharuk 1275: $currentstring .= '{\large ';
1.144 sakharuk 1276: }
1.122 albertel 1277: return $currentstring;
1278: }
1279:
1280: sub end_big {
1281: my ($target,$token) = @_;
1282: my $currentstring = '';
1283: if ($target eq 'web') {
1284: $currentstring .= $token->[2];
1285: } elsif ($target eq 'tex') {
1286: $currentstring .= '}';
1287: }
1288: return $currentstring;
1289: }
1290:
1.181 sakharuk 1291: #-- <small> tag (end tag required)
1.122 albertel 1292: sub start_small {
1293: my ($target,$token) = @_;
1294: my $currentstring = '';
1295: if ($target eq 'web') {
1296: $currentstring .= $token->[4];
1297: } elsif ($target eq 'tex') {
1298: $currentstring .= '{\footnotesize ';
1.144 sakharuk 1299: }
1.122 albertel 1300: return $currentstring;
1301: }
1302:
1303: sub end_small {
1304: my ($target,$token) = @_;
1305: my $currentstring = '';
1306: if ($target eq 'web') {
1307: $currentstring .= $token->[2];
1308: } elsif ($target eq 'tex') {
1309: $currentstring .= '}';
1310: }
1311: return $currentstring;
1312: }
1313:
1.181 sakharuk 1314: #-- <basefont> tag (end tag forbidden)
1.122 albertel 1315: sub start_basefont {
1.126 sakharuk 1316: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.122 albertel 1317: my $currentstring = '';
1318: if ($target eq 'web') {
1319: $currentstring = $token->[4];
1.126 sakharuk 1320: } elsif ($target eq 'tex') {
1321: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1322: if (defined $basesize) {
1323: $currentstring = '{\\'.$basesize.' ';
1324: }
1325: }
1.122 albertel 1326: return $currentstring;
1327: }
1328:
1329: sub end_basefont {
1.126 sakharuk 1330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1331: my $currentstring = '';
1332: if ($target eq 'web') {
1333: $currentstring = $token->[4];
1.126 sakharuk 1334: } elsif ($target eq 'tex') {
1335: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1336: if (defined $basesize) {
1337: $currentstring = '}';
1338: }
1339: }
1.122 albertel 1340: return $currentstring;
1341: }
1342:
1.181 sakharuk 1343: #-- <font> tag (end tag required)
1.122 albertel 1344: sub start_font {
1345: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1346: my $currentstring = '';
1347: if ($target eq 'web') {
1348: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1.204 albertel 1349: if ($face!~/symbol/i) {
1.267 albertel 1350: if (($env{'browser.fontenhance'} eq 'on') ||
1351: ($env{'browser.blackwhite'} eq 'on')) { return ''; }
1.155 www 1352: }
1.122 albertel 1353: $currentstring = $token->[4];
1.126 sakharuk 1354: } elsif ($target eq 'tex') {
1355: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1356: if (defined $fontsize) {
1357: $currentstring = '{\\'.$fontsize.' ';
1358: }
1359: }
1.122 albertel 1360: return $currentstring;
1361: }
1362:
1363: sub end_font {
1364: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1365: my $currentstring = '';
1366: if ($target eq 'web') {
1367: $currentstring = $token->[2];
1.126 sakharuk 1368: } elsif ($target eq 'tex') {
1369: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1370: if (defined $fontsize) {
1371: $currentstring = '}';
1372: }
1373: }
1.122 albertel 1374: return $currentstring;
1375: }
1376:
1.181 sakharuk 1377: #-- <strike> tag (end tag required)
1.122 albertel 1378: sub start_strike {
1379: my ($target,$token) = @_;
1380: my $currentstring = '';
1381: if ($target eq 'web') {
1382: $currentstring .= $token->[4];
1383: } elsif ($target eq 'tex') {
1384: &Apache::lonxml::startredirection();
1385: }
1386: return $currentstring;
1387: }
1388:
1389: sub end_strike {
1390: my ($target,$token) = @_;
1391: my $currentstring = '';
1392: if ($target eq 'web') {
1393: $currentstring .= $token->[2];
1394: } elsif ($target eq 'tex') {
1395: $currentstring=&Apache::lonxml::endredirection();
1396: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1397: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1398: $currentstring=~s/(\S)\s*$/$1\}/;
1399: }
1400: return $currentstring;
1401: }
1402:
1.181 sakharuk 1403: #-- <s> tag (end tag required)
1.122 albertel 1404: sub start_s {
1405: my ($target,$token) = @_;
1406: my $currentstring = '';
1407: if ($target eq 'web') {
1408: $currentstring .= $token->[4];
1409: } elsif ($target eq 'tex') {
1410: &Apache::lonxml::startredirection();
1411: }
1412: return $currentstring;
1413: }
1414:
1415: sub end_s {
1416: my ($target,$token) = @_;
1417: my $currentstring = '';
1418: if ($target eq 'web') {
1419: $currentstring .= $token->[2];
1420: } elsif ($target eq 'tex') {
1421: $currentstring=&Apache::lonxml::endredirection();
1422: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1423: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1424: $currentstring=~s/(\S)\s*$/$1\}/;
1425: }
1426: return $currentstring;
1427: }
1428:
1.181 sakharuk 1429: #-- <sub> tag (end tag required)
1.122 albertel 1430: sub start_sub {
1431: my ($target,$token) = @_;
1432: my $currentstring = '';
1433: if ($target eq 'web') {
1434: $currentstring .= $token->[4];
1435: } elsif ($target eq 'tex') {
1.202 sakharuk 1436: $currentstring .= '\ensuremath{_{';
1.122 albertel 1437: }
1438: return $currentstring;
1439: }
1440:
1441: sub end_sub {
1442: my ($target,$token) = @_;
1443: my $currentstring = '';
1444: if ($target eq 'web') {
1445: $currentstring .= $token->[2];
1446: } elsif ($target eq 'tex') {
1.202 sakharuk 1447: $currentstring .= '}}';
1.122 albertel 1448: }
1449: return $currentstring;
1450: }
1451:
1.181 sakharuk 1452: #-- <sup> tag (end tag required)
1.122 albertel 1453: sub start_sup {
1454: my ($target,$token) = @_;
1455: my $currentstring = '';
1456: if ($target eq 'web') {
1457: $currentstring .= $token->[4];
1458: } elsif ($target eq 'tex') {
1.202 sakharuk 1459: $currentstring .= '\ensuremath{^{';
1.122 albertel 1460: }
1461: return $currentstring;
1462: }
1463:
1464: sub end_sup {
1465: my ($target,$token) = @_;
1466: my $currentstring = '';
1467: if ($target eq 'web') {
1468: $currentstring .= $token->[2];
1469: } elsif ($target eq 'tex') {
1.202 sakharuk 1470: $currentstring .= '}}';
1.122 albertel 1471: }
1472: return $currentstring;
1473: }
1474:
1.181 sakharuk 1475: #-- <hr> tag (end tag forbidden)
1.122 albertel 1476: sub start_hr {
1.124 sakharuk 1477: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1478: my $currentstring = &end_p(); # End enclosing para.
1.122 albertel 1479: if ($target eq 'web') {
1480: $currentstring .= $token->[4];
1481: } elsif ($target eq 'tex') {
1.149 sakharuk 1482: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.124 sakharuk 1483: if (defined $LaTeXwidth) {
1484: if ($LaTeXwidth=~/^%/) {
1485: substr($LaTeXwidth,0,1)='';
1486: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1487: }
1488: } else {
1.148 sakharuk 1489: $LaTeXwidth ='0.9\textwidth';
1.124 sakharuk 1490: }
1491: my ($pre,$post);
1492: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1493: if (($align eq 'center') || (not defined $align)) {
1494: $pre=''; $post='';
1495: } elsif ($align eq 'left') {
1496: $pre='\rlap{'; $post='} \hfill';
1497: } elsif ($align eq 'right') {
1498: $pre=' \hfill \llap{'; $post='}';
1499: }
1.148 sakharuk 1500: $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
1.124 sakharuk 1501: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1.122 albertel 1502: }
1503: return $currentstring;
1504: }
1505:
1506: sub end_hr {
1507: my ($target,$token) = @_;
1508: my $currentstring = '';
1509: if ($target eq 'web') {
1510: $currentstring .= $token->[2];
1.148 sakharuk 1511: }
1.122 albertel 1512: return $currentstring;
1513: }
1514:
1.181 sakharuk 1515: #-- <div> tag (end tag required)
1.280 foxr 1516: {
1517:
1518: # Since div can be nested, the stack below is used
1519: # in 'tex' mode to store the ending strings
1520: # for the div stack.
1521:
1522: my @div_end_stack;
1523:
1.122 albertel 1524: sub start_div {
1.280 foxr 1525: my ($target,$token, $tagstack, $parstack, $parser, $safeeval) = @_;
1.279 foxr 1526: my $currentstring = &end_p(); # Close enclosing para.
1.122 albertel 1527: if ($target eq 'web') {
1528: $currentstring .= $token->[4];
1529: }
1.280 foxr 1530: if ($target eq 'tex') {
1531: # 4 possible alignments: left, right, center, and -missing-.
1532:
1533: my $endstring = '';
1534:
1535: my $align = lc(&Apache::lonxml::get_param('align', $parstack,
1536: $safeeval, undef, 1));
1537: if ($align eq 'center') {
1538: $currentstring .= '\begin{center}';
1539: $endstring = '\end{center}';
1.309 albertel 1540: if (&is_inside_of($tagstack, "table")) {
1541: $currentstring = ¢er_correction().$currentstring;
1542: $endstring .= ¢er_correction();
1543: }
1.280 foxr 1544: }
1545: elsif ($align eq 'right') {
1546: $currentstring .= '\begin{flushright}';
1547: $endstring .= '\end{flushright}';
1548: } elsif ($align eq 'left') {
1549: $currentstring .= '\begin{flushleft}';
1550: $endstring = '\end{flushleft}';
1551: } else {
1552:
1553: }
1554: $currentstring .= "\n"; # For human readability.
1555: $endstring = "\n$endstring\n"; # For human readability
1556: push(@div_end_stack, $endstring);
1557: }
1.122 albertel 1558: return $currentstring;
1559: }
1560:
1561: sub end_div {
1562: my ($target,$token) = @_;
1563: my $currentstring = '';
1564: if ($target eq 'web') {
1565: $currentstring .= $token->[2];
1.280 foxr 1566: }
1567: if ($target eq 'tex') {
1568: my $endstring = pop @div_end_stack;
1569: $currentstring .= $endstring;
1570: }
1.122 albertel 1571: return $currentstring;
1572: }
1.280 foxr 1573: }
1.122 albertel 1574:
1.181 sakharuk 1575: #-- <a> tag (end tag required)
1.122 albertel 1576: sub start_a {
1.149 sakharuk 1577: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1578: my $currentstring = '';
1579: if ($target eq 'web') {
1.250 albertel 1580: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
1581: undef,1);
1582: $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href});
1.122 albertel 1583: } elsif ($target eq 'tex') {
1.149 sakharuk 1584: my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
1.161 sakharuk 1585: my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
1586: if ($a=~/\S/) {
1587: $a=~s/([^\\])%/$1\\\%/g;
1588: $currentstring .= '\ref{URI: '.$a.'}';
1589: } elsif ($b=~/\S/) {
1590: $currentstring .= '\ref{Anchor: '.$b.'}';
1591: } else {
1592: $currentstring.='';
1593: }
1.122 albertel 1594: }
1595: return $currentstring;
1596: }
1597:
1598: sub end_a {
1.168 albertel 1599: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1600: my $currentstring = '';
1601: if ($target eq 'web') {
1602: $currentstring .= $token->[2];
1603: }
1604: return $currentstring;
1605: }
1606:
1.181 sakharuk 1607: #-- <li> tag (end tag optional)
1.122 albertel 1608: sub start_li {
1.168 albertel 1609: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1610: my $currentstring = '';
1611: if ($target eq 'web') {
1612: $currentstring = $token->[4];
1613: } elsif ($target eq 'tex') {
1.237 sakharuk 1614: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1615: my $value=&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,0);
1.238 albertel 1616: #FIXME need to support types i and I
1617: if ($type=~/disc/) {
1618: $currentstring .= ' \item[$\bullet$] ';
1619: } elsif ($type=~/circle/) {
1620: $currentstring .= ' \item[$\circ$] ';
1.146 sakharuk 1621: } elsif ($type=~/square/) {
1.238 albertel 1622: $currentstring .= ' \item[$\diamond$] ';
1623: } elsif ($type eq '1') {
1624: $currentstring .= ' \item['.($Apache::londefdef::list_index+1).'.]';
1.237 sakharuk 1625: } elsif ($type eq 'A') {
1.238 albertel 1626: $currentstring .= ' \item['.('A'..'Z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1627: } elsif ($type eq 'a') {
1.238 albertel 1628: $currentstring .= ' \item['.('a'..'z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1629: } elsif ($value ne '') {
1630: $currentstring .= ' \item['.$value.'] ';
1.122 albertel 1631: } else {
1.146 sakharuk 1632: $currentstring .= ' \item ';
1.122 albertel 1633: }
1.238 albertel 1634: $Apache::londefdef::list_index++;
1635: }
1.122 albertel 1636: return $currentstring;
1637: }
1638:
1639: sub end_li {
1640: my ($target,$token) = @_;
1.279 foxr 1641: my $currentstring = &end_p(); # In case there's a <p> in the <li>
1.122 albertel 1642: if ($target eq 'web') {
1.277 foxr 1643: $currentstring .= $token->[2];
1.122 albertel 1644: }
1645: return $currentstring;
1646: }
1647:
1.181 sakharuk 1648: #-- <u> tag (end tag required)
1.122 albertel 1649: sub start_u {
1650: my ($target,$token) = @_;
1651: my $currentstring = '';
1652: if ($target eq 'web') {
1653: $currentstring .= $token->[4];
1654: } elsif ($target eq 'tex') {
1655: &Apache::lonxml::startredirection();
1656: }
1657: return $currentstring;
1658: }
1659:
1660: sub end_u {
1661: my ($target,$token) = @_;
1662: my $currentstring = '';
1663: if ($target eq 'web') {
1664: $currentstring .= $token->[2];
1665: } elsif ($target eq 'tex') {
1666: $currentstring=&Apache::lonxml::endredirection();
1667: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1668: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1669: $currentstring=~s/(\S)\s*$/$1\}/;
1670: }
1671: return $currentstring;
1672: }
1673:
1.181 sakharuk 1674: #-- <ul> tag (end tag required)
1.122 albertel 1675: sub start_ul {
1.125 sakharuk 1676: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1677: my $currentstring = &end_p(); # Close off enclosing list.
1.122 albertel 1678: if ($target eq 'web') {
1.277 foxr 1679: $currentstring .= $token->[4];
1.122 albertel 1680: } elsif ($target eq 'tex') {
1.125 sakharuk 1681: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1.238 albertel 1682: $Apache::londefdef::list_index=0;
1.125 sakharuk 1683: if ($TeXtype eq 'disc') {
1.222 sakharuk 1684: $currentstring .= '\renewcommand{\labelitemi}{$\bullet$}'.
1685: '\renewcommand{\labelitemii}{$\bullet$}'.
1686: '\renewcommand{\labelitemiii}{$\bullet$}'.
1687: '\renewcommand{\labelitemiv}{$\bullet$}';
1.125 sakharuk 1688: } elsif ($TeXtype eq 'circle') {
1.222 sakharuk 1689: $currentstring .= '\renewcommand{\labelitemi}{$\circ$}'.
1690: '\renewcommand{\labelitemii}{$\circ$}'.
1691: '\renewcommand{\labelitemiii}{$\circ$}'.
1692: '\renewcommand{\labelitemiv}{$\circ$}';
1.125 sakharuk 1693: } elsif ($TeXtype eq 'square') {
1.222 sakharuk 1694: $currentstring .= '\renewcommand{\labelitemi}{$\diamond$}'.
1695: '\renewcommand{\labelitemii}{$\diamond$}'.
1696: '\renewcommand{\labelitemiii}{$\diamond$}'.
1697: '\renewcommand{\labelitemiv}{$\diamond$}';
1.125 sakharuk 1698: }
1.222 sakharuk 1699: $currentstring .= '\strut \begin{itemize}';
1.122 albertel 1700: }
1701: return $currentstring;
1702: }
1703:
1704: sub end_ul {
1705: my ($target,$token) = @_;
1706: my $currentstring = '';
1707: if ($target eq 'web') {
1708: $currentstring = $token->[2];
1709: } elsif ($target eq 'tex') {
1.222 sakharuk 1710: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}'.
1711: '\renewcommand{\labelitemii}{$\bullet$}'.
1712: '\renewcommand{\labelitemiii}{$\bullet$}'.
1713: '\renewcommand{\labelitemiv}{$\bullet$}\strut ';
1.122 albertel 1714: }
1715: return $currentstring;
1716: }
1717:
1.181 sakharuk 1718: #-- <menu> tag (end tag required)
1.122 albertel 1719: sub start_menu {
1720: my ($target,$token) = @_;
1721: my $currentstring = '';
1722: if ($target eq 'web') {
1723: $currentstring = $token->[4];
1724: } elsif ($target eq 'tex') {
1725: $currentstring = " \\begin{itemize} ";
1726: }
1727: return $currentstring;
1728: }
1729:
1730: sub end_menu {
1731: my ($target,$token) = @_;
1732: my $currentstring = '';
1733: if ($target eq 'web') {
1734: $currentstring = $token->[2];
1735: } elsif ($target eq 'tex') {
1736: $currentstring = " \\end{itemize}";
1737: }
1738: return $currentstring;
1739: }
1740:
1.181 sakharuk 1741: #-- <dir> tag (end tag required)
1.122 albertel 1742: sub start_dir {
1743: my ($target,$token) = @_;
1.279 foxr 1744: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.122 albertel 1745: if ($target eq 'web') {
1.277 foxr 1746: $currentstring .= $token->[4];
1.122 albertel 1747: } elsif ($target eq 'tex') {
1.277 foxr 1748: $currentstring .= " \\begin{itemize} ";
1.122 albertel 1749: }
1750: return $currentstring;
1751: }
1752:
1753: sub end_dir {
1754: my ($target,$token) = @_;
1755: my $currentstring = '';
1756: if ($target eq 'web') {
1757: $currentstring = $token->[2];
1758: } elsif ($target eq 'tex') {
1759: $currentstring = " \\end{itemize}";
1760: }
1761: return $currentstring;
1762: }
1763:
1.181 sakharuk 1764: #-- <ol> tag (end tag required)
1.122 albertel 1765: sub start_ol {
1.125 sakharuk 1766: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1767: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.122 albertel 1768: if ($target eq 'web') {
1.277 foxr 1769: $currentstring .= $token->[4];
1.122 albertel 1770: } elsif ($target eq 'tex') {
1.238 albertel 1771: $Apache::londefdef::list_index=0;
1.125 sakharuk 1772: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1773: if ($type eq '1') {
1.222 sakharuk 1774: $currentstring .= '\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1775: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1776: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1777: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1.125 sakharuk 1778: } elsif ($type eq 'A') {
1.222 sakharuk 1779: $currentstring .= '\renewcommand{\labelenumi}{\Alph{enumi}.}'.
1780: '\renewcommand{\labelenumii}{\Alph{enumii}.}'.
1781: '\renewcommand{\labelenumiii}{\Alph{enumiii}.}'.
1782: '\renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1.125 sakharuk 1783: } elsif ($type eq 'a') {
1.222 sakharuk 1784: $currentstring .= '\renewcommand{\labelenumi}{\alph{enumi}.}'.
1785: '\renewcommand{\labelenumii}{\alph{enumii}.}'.
1786: '\renewcommand{\labelenumiii}{\alph{enumiii}.}'.
1787: '\renewcommand{\labelenumiv}{\alph{enumiv}.}';
1.125 sakharuk 1788: } elsif ($type eq 'i') {
1.222 sakharuk 1789: $currentstring .= '\renewcommand{\labelenumi}{\roman{enumi}.}'.
1790: '\renewcommand{\labelenumii}{\roman{enumii}.}'.
1791: '\renewcommand{\labelenumiii}{\roman{enumiii}.}'.
1792: '\renewcommand{\labelenumiv}{\roman{enumiv}.}';
1.125 sakharuk 1793: } elsif ($type eq 'I') {
1.222 sakharuk 1794: $currentstring .= '\renewcommand{\labelenumi}{\Roman{enumi}.}'.
1795: '\renewcommand{\labelenumii}{\Roman{enumii}.}'.
1796: '\renewcommand{\labelenumiii}{\Roman{enumiii}.}'.
1797: '\renewcommand{\labelenumiv}{\Roman{enumiv}.}';
1.125 sakharuk 1798: }
1.222 sakharuk 1799: $currentstring .= '\strut \begin{enumerate}';
1.122 albertel 1800: }
1801: return $currentstring;
1802: }
1803:
1804: sub end_ol {
1805: my ($target,$token) = @_;
1806: my $currentstring = '';
1807: if ($target eq 'web') {
1808: $currentstring = $token->[2];
1809: } elsif ($target eq 'tex') {
1.222 sakharuk 1810: $currentstring = '\end{enumerate}\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1811: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1812: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1813: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}\strut ';
1.122 albertel 1814: }
1815: return $currentstring;
1816: }
1817:
1.181 sakharuk 1818: #-- <dl> tag (end tag required)
1.122 albertel 1819: sub start_dl {
1820: my ($target,$token) = @_;
1.279 foxr 1821: my $currentstring = &end_p(); # In case there's a <p> unclosed prior to the list.
1.122 albertel 1822: if ($target eq 'web') {
1.277 foxr 1823: $currentstring .= $token->[4];
1.122 albertel 1824: } elsif ($target eq 'tex') {
1.277 foxr 1825: $currentstring .= '\begin{description}';
1.243 albertel 1826: $Apache::londefdef::DL++;
1827: push(@Apache::londefdef::description,[]);
1828: $Apache::londefdef::DD[$Apache::londefdef::DL]=0;
1829: $Apache::londefdef::DT[$Apache::londefdef::DL]=0;
1.244 albertel 1830: $Apache::londefdef::seenDT[$Apache::londefdef::DL]=0;
1.122 albertel 1831: }
1832: return $currentstring;
1833: }
1834:
1835: sub end_dl {
1.174 sakharuk 1836: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1837: my $currentstring = '';
1838: if ($target eq 'web') {
1839: $currentstring = $token->[2];
1840: } elsif ($target eq 'tex') {
1.243 albertel 1841: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1842: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1843: foreach my $element (@{$Apache::londefdef::description[-1]}) {
1.174 sakharuk 1844: $currentstring.=' '.$element.' ';
1845: }
1.243 albertel 1846: pop(@Apache::londefdef::description);
1.174 sakharuk 1847: $currentstring.='\end{description}';
1.243 albertel 1848: delete($Apache::londefdef::DD[$Apache::londefdef::DL]);
1849: delete($Apache::londefdef::DT[$Apache::londefdef::DL]);
1.244 albertel 1850: delete($Apache::londefdef::seenDT[$Apache::londefdef::DL]);
1.243 albertel 1851: $Apache::londefdef::DL--;
1.122 albertel 1852: }
1853: return $currentstring;
1854: }
1855:
1.172 sakharuk 1856: #-- <dt> tag (end tag optional)
1.122 albertel 1857: sub start_dt {
1.172 sakharuk 1858: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1859: my $currentstring='';
1.122 albertel 1860: if ($target eq 'web') {
1861: $currentstring = $token->[4];
1862: } elsif ($target eq 'tex') {
1.243 albertel 1863: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1864: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1.174 sakharuk 1865: &Apache::lonxml::startredirection();
1.243 albertel 1866: $Apache::londefdef::DT[-1]++;
1.244 albertel 1867: $Apache::londefdef::seenDT[-1]=1;
1.122 albertel 1868: }
1869: return $currentstring;
1870: }
1871:
1872: sub end_dt {
1.172 sakharuk 1873: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1874: my $currentstring = '';
1875: if ($target eq 'web') {
1876: $currentstring = $token->[2];
1877: } elsif ($target eq 'tex') {
1.243 albertel 1878: if ($Apache::londefdef::DT[-1]) {
1879: my $data=&item_cleanup();
1.244 albertel 1880: push(@{$Apache::londefdef::description[-1]},'\item['.$data.'] \strut \vskip 0mm');
1.243 albertel 1881: $Apache::londefdef::DT[-1]--;
1882: }
1.122 albertel 1883: }
1884: return $currentstring;
1885: }
1886:
1.173 sakharuk 1887: sub item_cleanup {
1.174 sakharuk 1888: my $item=&Apache::lonxml::endredirection();
1.173 sakharuk 1889: $item=~s/\\begin{center}//g;
1890: $item=~s/\\end{center}//g;
1891: return $item;
1892: }
1893:
1.181 sakharuk 1894: #-- <dd> tag (end tag optional)
1.122 albertel 1895: sub start_dd {
1.147 sakharuk 1896: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1897: my $currentstring = '';
1898: if ($target eq 'web') {
1899: $currentstring = $token->[4];
1.147 sakharuk 1900: } elsif ($target eq 'tex') {
1.243 albertel 1901: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1902: if ($Apache::londefdef::DD[-1]) { &end_dd(@_);}
1.244 albertel 1903: if (!$Apache::londefdef::seenDT[-1]) {
1904: push(@{$Apache::londefdef::description[-1]},'\item[\strut] \strut \vskip 0mm ');
1905: }
1.243 albertel 1906: push(@{$Apache::londefdef::description[-1]},'');
1907: $Apache::londefdef::description[-1]->[-1].=' \strut ';
1908: $Apache::londefdef::DD[-1]++;
1.174 sakharuk 1909: &Apache::lonxml::startredirection();
1.122 albertel 1910: }
1911: return $currentstring;
1912: }
1913:
1914: sub end_dd {
1.174 sakharuk 1915: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1916: my $currentstring = '';
1917: if ($target eq 'web') {
1918: $currentstring = $token->[2];
1.174 sakharuk 1919: } elsif ($target eq 'tex') {
1.243 albertel 1920: $Apache::londefdef::description[-1]->[-1].=
1921: &Apache::lonxml::endredirection().' \vskip 0mm ';
1922: $Apache::londefdef::DD[-1]--;
1.174 sakharuk 1923: }
1.122 albertel 1924: return $currentstring;
1925: }
1926:
1.181 sakharuk 1927: #-- <table> tag (end tag required)
1.277 foxr 1928: # <table> also ends any prior <p> that is not closed.
1929: # but, unless I allow <p>'s to nest, that's the
1930: # only way I could think of to allow <p> in
1931: # <tr> <th> bodies
1932: #
1.206 sakharuk 1933: #list of supported attributes: border,width,TeXwidth
1.91 sakharuk 1934: sub start_table {
1935: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.277 foxr 1936: my $textwidth = '';
1.279 foxr 1937: my $currentstring = &end_p();
1.91 sakharuk 1938: if ($target eq 'web') {
1.277 foxr 1939: $currentstring .= $token->[4];
1.91 sakharuk 1940: } elsif ($target eq 'tex') {
1941: my $aa = {};
1942: push @Apache::londefdef::table, $aa;
1943: $Apache::londefdef::table[-1]{'row_number'} = -1;
1.222 sakharuk 1944: #maximum table's width (default coincides with text line length)
1.206 sakharuk 1945: if ($#Apache::londefdef::table==0) {
1.267 albertel 1946: $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm
1.206 sakharuk 1947: $textwidth=~/(\d+\.?\d*)/;
1948: $textwidth=0.95*$1; #accounts "internal" LaTeX space for table frame
1949: } else {
1950: if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
1951: #the maximum width of nested table is determined by LATeX width of parent cell
1952: $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}];
1953: } else {
1954: #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly
1.228 sakharuk 1955: $textwidth=$Apache::londefdef::table[-2]{'width'};
1.206 sakharuk 1956: for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) {
1957: $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i];
1958: }
1959: }
1960: }
1.294 foxr 1961:
1962: # width either comes forced from the TeXwidth or the width parameters.
1963: # in either case it can be a percentage or absolute width.
1.311 ! albertel 1964: # in the width case we ignore absolute width
1.126 sakharuk 1965: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.308 albertel 1966: if (!defined($TeXwidth)) {
1.311 ! albertel 1967: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,
! 1968: $safeeval,undef,1);
! 1969: if ($htmlwidth =~ /%/) {
! 1970: $TeXwidth = $htmlwidth;
! 1971: } else {
! 1972: $TeXwidth = $textwidth;
! 1973: }
1.294 foxr 1974: } else {
1975: $Apache::londefdef::table[-1]{'forcedtablewidth'} = 1;
1976: }
1977: if ($TeXwidth=~/%/) {
1.203 sakharuk 1978: $Apache::londefdef::table[-1]{'percent'}=1;
1.126 sakharuk 1979: $TeXwidth=~/(\d+)/;
1.206 sakharuk 1980: $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
1.126 sakharuk 1981: } else {
1.206 sakharuk 1982: $Apache::londefdef::table[-1]{'width'}=$TeXwidth;
1.126 sakharuk 1983: }
1.294 foxr 1984:
1.126 sakharuk 1985: #table's border
1.206 sakharuk 1986: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
1.208 sakharuk 1987: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.91 sakharuk 1988: unless (defined $border) { $border = 0; }
1989: if ($border) {
1990: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1991: $Apache::londefdef::table[-1]{'vinc'} = '&';
1992: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1993: } else {
1994: $Apache::londefdef::table[-1]{'hinc'} = '';
1995: $Apache::londefdef::table[-1]{'vinc'} = '&';
1996: $Apache::londefdef::table[-1]{'vvinc'} = '';
1997: }
1.206 sakharuk 1998: if ($#Apache::londefdef::table==0) {
1.281 foxr 1999: # Note that \newline seems to destroy the alignment envs.
2000: # $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}';
2001: $Apache::londefdef::table[-1]{'output'}='\strut'.'\\\\'."\n".'\strut\setlength{\tabcolsep}{1 mm}';
1.206 sakharuk 2002: }
2003: $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} ';
2004: $Apache::londefdef::table[-1]{'TeXlen'}=[];
2005: $Apache::londefdef::table[-1]{'objectlen'}=[];
1.229 sakharuk 2006: $Apache::londefdef::table[-1]{'objectsignal'}=[];
1.206 sakharuk 2007: $Apache::londefdef::table[-1]{'maxlen'}=[];
2008: $Apache::londefdef::table[-1]{'minlen'}=[];
2009: $Apache::londefdef::table[-1]{'content'}=[];
2010: $Apache::londefdef::table[-1]{'align'}=[];
1.277 foxr 2011: $currentstring.='\keephidden{NEW TABLE ENTRY}';
1.295 foxr 2012:
1.294 foxr 2013:
2014: }
1.91 sakharuk 2015: return $currentstring;
2016: }
1.122 albertel 2017:
2018: sub end_table {
2019: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2020: my $currentstring = '';
2021: if ($target eq 'web') {
2022: $currentstring = $token->[2];
2023: } elsif ($target eq 'tex') {
2024: my $inmemory = '';
2025: my $output = '';
1.206 sakharuk 2026: my $WARNING='';
1.305 foxr 2027: # &debug_dump_table($Apache::londefdef::table[-1]);
1.206 sakharuk 2028: #width of columns from TeXwidth attributes
1.294 foxr 2029:
1.206 sakharuk 2030: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2031: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2032: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
2033: $Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]=$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn];
2034: }
2035: }
2036: }
2037: #free space and number of empty columns
2038: my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0);
1.228 sakharuk 2039: if ($#Apache::londefdef::table ne 0) {$available_space=0.9*$available_space;}
1.206 sakharuk 2040: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2041: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) {
2042: $empty_columns++;
2043: } else {
2044: $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];
2045: }
2046: }
2047: #boundaries for contents columns
2048: my @min_len=();#columns can not be narrower
2049: my @max_len=();#maximum length of column
2050: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2051: my ($localmin,$localmax)=(0,0);
2052: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2053: if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {
2054: $localmin=$Apache::londefdef::table[-1]{'minlen'}[$in][$jn];
2055: }
2056: if ($localmax<$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]) {
2057: $localmax=$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn];
2058: }
2059: }
2060: push @min_len, $localmin;
2061: push @max_len, $localmax;
1.122 albertel 2062: }
1.206 sakharuk 2063: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2064: my $localmin=0,;
2065: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2066: if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {
2067: $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn];
2068: }
2069: }
1.229 sakharuk 2070: if ($max_len[$jn]<$localmin) {
2071: $max_len[$jn]=$localmin;
2072: $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
2073: }#object size is bigger
2074: if ($min_len[$jn]<$localmin) {
2075: $min_len[$jn]=$localmin;
2076: $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
2077: }#object size is bigger
1.206 sakharuk 2078: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) {
2079: $min_len[$jn]=0;
2080: $max_len[$jn]=0;
2081: }
2082: }
2083: #final adjustment of column width
2084: my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array
2085: my @adjust=();
2086: #step 1. adjustment by maximum value
2087: my $space_neeeded=0;
2088: for (my $jn=0;$jn<=$#max_len;$jn++) {
2089: $space_neeeded=$space_neeeded+$max_len[$jn];
2090: }
2091: if ($space_neeeded<=$available_space) {
2092: for (my $jn=0;$jn<=$#max_len;$jn++) {
2093: if ($fwidth[$jn]==0) {
2094: $fwidth[$jn]=$max_len[$jn];
1.53 sakharuk 2095: }
1.51 sakharuk 2096: }
1.206 sakharuk 2097: } else {
2098: #step 2. adjustment by minimum value (estimation)
2099: $space_neeeded=0;
2100: for (my $jn=0;$jn<=$#min_len;$jn++) {
2101: $space_neeeded+=$min_len[$jn];
2102: }
2103: if ($space_neeeded>$available_space) {
2104: $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';
2105: for (my $jn=0;$jn<=$#max_len;$jn++) {
2106: if ($fwidth[$jn]==0) {
2107: $fwidth[$jn]=$min_len[$jn];
2108: }
2109: }
1.229 sakharuk 2110: #check if we have objects which can be scaled
2111: my $how_many_to_scale=0;
2112: my @to_scale=();
2113: for (my $jn=0;$jn<=$#max_len;$jn++) {
2114: if ($Apache::londefdef::table[-1]{'objectsignal'}[$jn] eq '1') {
2115: $how_many_to_scale++;
2116: push @to_scale, $jn;
2117: }
2118: }
2119: if ($how_many_to_scale>0) {
2120: my $space_to_adjust=($space_neeeded-$available_space)/$how_many_to_scale;
2121: foreach my $jn (@to_scale) {
2122: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2123: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/;
2124: if ($1 ne '') {
2125: my $current_length=&recalc($1);
2126: $current_length=~/(\d+\.?\d*)/;
2127: $current_length=$current_length-$space_to_adjust;
2128: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/width=$current_length mm/;
2129: }
2130: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/\[(\d+\.?\d*)\s*mm\]/;
2131: if ($1 ne '') {
2132: my $current_length=$1;
2133: $current_length=$current_length-$space_to_adjust;
2134: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/\[(\d+\.?\d*)\s*mm\]/\[$current_length mm\]/;
2135: }
2136: }
2137: $fwidth[$jn]=$fwidth[$jn]-$space_to_adjust;
2138: }
2139: }
1.206 sakharuk 2140: } else {
2141: #step 3. adjustment over minimal + corrections
2142: my $enlarge_coef=$available_space/$space_neeeded;
2143: my $acsessive=0;
2144: for (my $jn=0;$jn<=$#min_len;$jn++) {
2145: $adjust[$jn]=$min_len[$jn]*$enlarge_coef;
2146: if ($adjust[$jn]>$max_len[$jn]) {
2147: $fwidth[$jn]=$max_len[$jn];
2148: $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];
2149: $adjust[$jn]=0;
2150: }
2151: }
2152: if ($acsessive>0) {
2153: #we have an excess of space and can redistribute it
2154: my $notempty_columns=0;
2155: for (my $jn=0;$jn<=$#min_len;$jn++) {
2156: if ($adjust[$jn]!=0) {
2157: $notempty_columns++;
2158: }
2159: }
2160: my $per_column=$acsessive/$notempty_columns;
2161: for (my $jn=0;$jn<=$#min_len;$jn++) {
2162: if ($adjust[$jn]!=0) {
2163: $adjust[$jn]+=$per_column;
2164: $fwidth[$jn]=$adjust[$jn];
2165: }
1.223 sakharuk 2166: }
2167: } else {
2168: for (my $jn=0;$jn<=$#min_len;$jn++) {
2169: $fwidth[$jn]=$adjust[$jn];
1.206 sakharuk 2170: }
2171: }
1.203 sakharuk 2172: }
2173: }
1.222 sakharuk 2174: #use all available width if it is defined in % or as TeXwidth
2175: if (($Apache::londefdef::table[-1]{'percent'}==1) || ($Apache::londefdef::table[-1]{'forcetablewidth'}==1)) {
1.203 sakharuk 2176: my $current=0;
1.206 sakharuk 2177: for (my $i=0;$i<=$#fwidth;$i++) {
2178: $current+=$fwidth[$i];
1.203 sakharuk 2179: }
2180: my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
1.206 sakharuk 2181: for (my $i=0;$i<=$#fwidth;$i++) {
2182: $fwidth[$i]*=$coef;
2183: }
2184: }
2185: #removing of empty columns if allowed
1.208 sakharuk 2186: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.206 sakharuk 2187: if ($permission eq 'yes') {
2188: my @cleaned_table=();
2189: my @cleaned_header=();
2190: my $colind=0;
2191: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2192: if ($fwidth[$jn]!=0) {
2193: #we need to copy column
2194: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2195: $cleaned_table[$in][$colind]=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
2196: $cleaned_header[$colind]=$fwidth[$jn];
2197: }
2198: $colind++;
2199: }
1.122 albertel 2200: }
1.206 sakharuk 2201: $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
2202: @fwidth=@cleaned_header;
1.122 albertel 2203: }
1.206 sakharuk 2204: #construct header of the table
2205: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
2206: for (my $in=0;$in<=$#fwidth;$in++) {
2207: $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};
2208: }
2209: $header_of_table .= '}';
1.126 sakharuk 2210: #fill the table
2211: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1.306 foxr 2212: my $have_rowspan = 0;
1.206 sakharuk 2213: for (my $jn=0;$jn<=$#fwidth;$jn++) {
1.304 foxr 2214: #
2215: # Do the appropriate magic if this has a colspan
2216: #
2217: my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn];
2218: if ($colspan > 1) {
2219: $output .= '\multicolumn{'.
2220: $colspan
2221: .'}{|l|}{';
2222: }
1.306 foxr 2223: my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
2224:
2225: # Start a rowspan if necessary:
2226:
2227: if ($rowspan > 1) {
2228: $have_rowspan++;
2229: $output .= '\multirow{'.$rowspan.'}[0]{'.$fwidth[$jn].'mm}{';
2230: }
2231: if (($rowspan eq '^') || ($rowspan eq '_')) {
2232: $have_rowspan++;
2233: }
2234:
1.206 sakharuk 2235: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.309 albertel 2236: $output.=¢er_correction().'\begin{center}';
1.206 sakharuk 2237: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
2238: $output.=' \hfill \llap{'
2239: }
2240: $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
2241: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.309 albertel 2242: $output.='\end{center}'.¢er_correction();
1.206 sakharuk 2243: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
2244: $output.='} ';
2245: }
1.306 foxr 2246: # Close off any open multirow:
2247:
2248: if ($rowspan > 1) {
2249: $output .= '}';
2250: }
1.304 foxr 2251: # Close off the colspan...
2252: #
2253: if ($colspan > 1) {
2254: $output .= '}';
2255: $jn += $colspan-1; # Adjust for number of rows really left.
2256: }
1.206 sakharuk 2257: if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};}
2258: }
1.306 foxr 2259: # If have_rowspan > 0, and borders are on, then
2260: # we need to do more than put an \hline at the bottom of row.
2261: # we need to do the appropriate \cline to ensure that
2262: # the spanned rows don't have \hlines through them.
2263:
2264: if (($Apache::londefdef::table[-1]{'hinc'} =~ /\\hline/) && $have_rowspan) {
2265: $output .= ' \\\\ ';
2266: for (my $jn=0; $jn<=$#fwidth;$jn++) {
2267: my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
2268: if (($rowspan <= 1) || ($rowspan eq '_')) {
2269: my $column = $jn+1;
2270: $output .= '\cline{'.$column.'-'.$column.'} ';
2271: }
2272: }
2273:
2274: } else {
2275: $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
2276: }
1.122 albertel 2277: }
1.281 foxr 2278: # Note that \newline destroys alignment env's produced by e.g. <div>
2279: # $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut ';
2280: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut ';
1.127 sakharuk 2281: if ($#Apache::londefdef::table > 0) {
2282: my $inmemory = $Apache::londefdef::table[-1]{'output'};
1.294 foxr 2283: # Figure out max/and min width by summing us and then
2284: # apply that to the current column of the table we nest in
2285: # if it's larger than the current width or the current width
2286: # is undefined.
2287: #
2288: my $min_nested_width = 0;
2289: my $max_nested_width = 0;
2290: for (my $col = 0; $col <= $Apache::londefdef::table[-1]{'counter_columns'}; $col++) {
2291: $min_nested_width += $min_len[$col];
2292: $max_nested_width += $max_len[$col];
1.300 foxr 2293:
1.294 foxr 2294: }
2295: # Fudge in an extra 5 mm for borders etc:
2296:
2297: $min_nested_width += 5;
2298: $max_nested_width += 5;
2299:
2300: my $outer_column = $Apache::londefdef::table[-2]{'counter_columns'};
2301: my $outer_row = $Apache::londefdef::table[-2]{'row_number'};
2302: if ($min_nested_width > $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column]) {
2303: $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column] = $min_nested_width;
2304: }
2305: if ($max_nested_width > $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column]) {
2306: $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column] = $max_nested_width;
2307: }
2308:
1.127 sakharuk 2309: pop @Apache::londefdef::table;
1.129 sakharuk 2310: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1.127 sakharuk 2311: } else {
2312: $currentstring .= $Apache::londefdef::table[-1]{'output'};
2313: pop @Apache::londefdef::table;
1.143 sakharuk 2314: undef @Apache::londefdef::table;
1.127 sakharuk 2315: }
1.122 albertel 2316: }
2317: return $currentstring;
2318: }
2319:
1.166 sakharuk 2320: #-- <tr> tag (end tag optional)
1.122 albertel 2321: sub start_tr {
2322: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2323: my $currentstring = '';
2324: if ($target eq 'web') {
2325: $currentstring = $token->[4];
2326: } elsif ($target eq 'tex') {
2327: $Apache::londefdef::table[-1]{'row_number'}++;
1.206 sakharuk 2328: my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.122 albertel 2329: if ($alignchar ne '') {
1.206 sakharuk 2330: push @ {$Apache::londefdef::table[-1]{'rows'} },substr($alignchar,0,1);
1.122 albertel 2331: } else {
2332: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
2333: }
2334: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1.300 foxr 2335: #
2336: # Need to save the number of table columns to preserve the max # columns.
2337: #
2338: $Apache::londefdef::table[-1]{'prior_columns'} = $Apache::londefdef::table[-1]{'counter_columns'};
1.122 albertel 2339: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1.206 sakharuk 2340: push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
2341: push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
2342: push @ {$Apache::londefdef::table[-1]{'minlen'}}, [];
2343: push @ {$Apache::londefdef::table[-1]{'maxlen'}}, [];
2344: push @ {$Apache::londefdef::table[-1]{'content'}}, [];
1.122 albertel 2345: }
2346: return $currentstring;
2347: }
2348:
2349: sub end_tr {
1.160 sakharuk 2350: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2351: my $currentstring = &end_p(); # Close any pending <p> in the row.
1.122 albertel 2352: if ($target eq 'web') {
1.277 foxr 2353: $currentstring .= $token->[2];
1.122 albertel 2354: } elsif ($target eq 'tex') {
1.160 sakharuk 2355: if ($Apache::londefdef::TD_redirection) {
2356: &end_td_tex($parstack,$parser,$safeeval);
2357: }
1.300 foxr 2358: # Counter columns must be the maximum number of columns seen
2359: # in the table so far so:
2360: if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) {
2361: $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'};
2362: }
1.295 foxr 2363:
2364:
1.294 foxr 2365:
1.122 albertel 2366: }
2367: return $currentstring;
2368: }
2369:
1.166 sakharuk 2370: #-- <td> tag (end tag optional)
1.122 albertel 2371: sub start_td {
2372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2373: my $currentstring = '';
2374: if ($target eq 'web') {
2375: $currentstring = $token->[4];
2376: } elsif ($target eq 'tex') {
1.160 sakharuk 2377: $Apache::londefdef::TD_redirection = 1;
1.159 sakharuk 2378: &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2379: }
2380: return $currentstring;
2381: }
1.159 sakharuk 2382:
2383: sub tag_check {
2384: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
1.160 sakharuk 2385: my @ar=@$parstack;
2386: for (my $i=$#ar-1;$i>=0;$i--) {
2387: if (lc($$tagstack[$i]) eq $good_tag) {
2388: &start_td_tex($parstack,$parser,$safeeval);
2389: last;
2390: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2391: splice @ar, $i+1;
2392: &end_td_tex(\@ar,$parser,$safeeval);
2393: &start_td_tex($parstack,$parser,$safeeval);
2394: last;
1.159 sakharuk 2395: }
1.160 sakharuk 2396: }
1.159 sakharuk 2397: return '';
2398: }
2399:
2400: sub start_td_tex {
2401: my ($parstack,$parser,$safeeval) = @_;
1.206 sakharuk 2402: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2403: if ($alignchar eq '') {
2404: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
1.159 sakharuk 2405: }
1.206 sakharuk 2406: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
1.159 sakharuk 2407: $Apache::londefdef::table[-1]{'counter_columns'}++;
1.206 sakharuk 2408: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2409: if (defined $TeXwidth) {
2410: my $current_length=&recalc($TeXwidth);
2411: $current_length=~/(\d+\.?\d*)/;
2412: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2413: }
1.159 sakharuk 2414: &Apache::lonxml::startredirection();
2415: return '';
2416: }
2417:
2418: sub end_td_tex {
2419: my ($parstack,$parser,$safeeval) = @_;
1.304 foxr 2420: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2421: my $current_column = $Apache::londefdef::table[-1]{'counter_columns'};
1.303 foxr 2422: my $data = &Apache::lonxml::endredirection();
2423:
1.305 foxr 2424: # The rowspan array of the table indicates which cells are part of a span.
2425: # n indicates the start of a span set of n rows.
2426: # ^ indicates a cell that continues a span set.
1.306 foxr 2427: # _ indicates the cell is at the bottom of a span set.
1.305 foxr 2428: # If this and subsequent cells are part of a rowspan, we must
2429: # push along the row until we find one that is not.
2430:
2431: while ((defined $Apache::londefdef::table[-1]{'rowspan'}[$current_row] [$current_column])
1.306 foxr 2432: && ($Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] =~ /[\^\_]/)) {
1.305 foxr 2433: # Part of a span.
2434: push @ {$Apache::londefdef::table[-1]{'content'}[-1]}, '';
2435: $current_column++;
2436: }
2437: $Apache::londefdef::table[-1]{'counter_columns'} = $current_column;
2438:
2439:
2440:
2441: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0);
2442: if (!$rowspan) {
2443: $rowspan = 1;
2444: }
2445:
1.303 foxr 2446:
1.305 foxr 2447:
2448: $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] = $rowspan;
2449: for (my $i = 1; $i < $rowspan; $i++) {
2450: $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column] = '^';
1.306 foxr 2451: if ($i == ($rowspan-1)) {
2452: $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column] = '_';
2453: }
1.305 foxr 2454: }
1.304 foxr 2455:
1.159 sakharuk 2456: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2457: if (defined $TeXwidth) {
1.206 sakharuk 2458: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2459: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2460: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
1.159 sakharuk 2461: } else {
1.206 sakharuk 2462: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2463: my $garbage_data=$data;
2464: my $fwidth=0;
2465: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2466: my $current_length=&recalc($1);
2467: $current_length=~/(\d+\.?\d*)/;
2468: if ($fwidth<$1) {$fwidth=$1;}
2469: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2470: }
2471: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2472: my $current_length=$1;
2473: if ($fwidth<$current_length) {$fwidth=$current_length;}
2474: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2475: }
2476: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2477: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2478: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2479: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
1.231 sakharuk 2480: } elsif ($data=~/\\parbox\{\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*\s*\}/ or $data=~/\\epsfxsize\s*=\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*/) {
2481: my $garbage_data=$data;
2482: my $fwidth=0;
2483: while ($garbage_data=~/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)\s*\}/) {
2484: my $current_length=&recalc($1);
2485: $current_length=~/(\d+\.?\d*)/;
2486: if ($fwidth<$1) {$fwidth=$1;}
2487: $garbage_data=~s/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2488: }
2489: while ($garbage_data=~/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2490: my $current_length=&recalc($1);
2491: $current_length=~/(\d+\.?\d*)/;
2492: if ($fwidth<$1) {$fwidth=$1;}
2493: $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2494: }
2495: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2496: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2497: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2498: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2499: $data=~s/\\\\\s*$//;
1.159 sakharuk 2500: } else {
1.166 sakharuk 2501: $data=~s/^\s+(\S.*)/$1/;
1.159 sakharuk 2502: $data=~s/(.*\S)\s+$/$1/;
1.166 sakharuk 2503: $data=~s/(\s)+/$1/;
1.206 sakharuk 2504: my ($current_length,$min_length)=(0,0);
1.166 sakharuk 2505: if ($data=~/\\vskip/) {
2506: my $newdata=$data;
2507: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2508: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2509: foreach my $elementdata (@newdata) {
1.206 sakharuk 2510: my $lengthnewdata=2.5*&LATEX_length($elementdata);
1.166 sakharuk 2511: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
1.206 sakharuk 2512: my @words=split(/ /,$elementdata);
2513: foreach my $word (@words) {
2514: my $lengthword=2.5*&LATEX_length($word);
2515: if ($min_length<$lengthword) {$min_length=$lengthword;}
2516: }
1.166 sakharuk 2517: }
2518: } else {
1.206 sakharuk 2519: $current_length=2.5*&LATEX_length($data);
2520: my @words=split(/ /,$data);
2521: foreach my $word (@words) {
1.228 sakharuk 2522: my $lengthword=2*&LATEX_length($word);
1.206 sakharuk 2523: if ($min_length<$lengthword) {$min_length=$lengthword;}
2524: }
1.166 sakharuk 2525: }
1.206 sakharuk 2526: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2527: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2528: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2529: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
1.159 sakharuk 2530: }
2531: }
1.302 foxr 2532: # Substitute all of the tables nested in this cell in their appropriate places.
2533:
2534:
2535: my $nested_count = $#{$Apache::londefdef::table[-1]{'include'}}; # This one is constant...
2536: for (my $in=0; $in<=$nested_count; $in++) {
1.301 foxr 2537: my $nested = shift @{$Apache::londefdef::table[-1]{'include'}};
2538: $nested =~ s/\\end\{tabular\}\\strut\\\\/\\end\{tabular\}/;
2539: # $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2540: $data =~ s/\\keephidden\{NEW TABLE ENTRY\}/$nested/;
2541:
2542: }
2543: # Should be be killing off the 'include' elements as they're used up?
1.305 foxr 2544:
1.206 sakharuk 2545: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.305 foxr 2546:
1.304 foxr 2547: # Get the column and row spans.
2548: # Colspan can be done via \multicolumn if I can figure out the data structs.
2549:
2550: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 0);
2551: if (!$colspan) {
2552: $colspan = 1;
2553: }
2554:
2555:
2556: # the colspan array will indicate how many columns will be spanned by this
2557: # cell..this requires that counter_columns also be adjusted accordingly
2558: # so that the next bunch of text goes in the right cell. Note that since
2559: # counter_columns is incremented in the start_td_tex, we adjust by colspan-1.
2560: #
2561:
2562: $Apache::londefdef::table[-1]{'colspan'}[$current_row][$current_column] = $colspan;
2563: $Apache::londefdef::table[-1]{'counter_columns'} += $colspan -1;
2564:
2565: # Put empty text in spanned cols.
2566:
2567: for (my $i = 0; $i < ($colspan -1); $i++) {
2568: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },'';
2569: }
2570:
2571:
1.301 foxr 2572: return '';
1.159 sakharuk 2573: }
2574:
1.122 albertel 2575: sub end_td {
1.126 sakharuk 2576: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2577: my $currentstring = '';
2578: if ($target eq 'web') {
2579: $currentstring = $token->[2];
2580: } elsif ($target eq 'tex') {
1.160 sakharuk 2581: $Apache::londefdef::TD_redirection =0;
1.159 sakharuk 2582: &end_td_tex($parstack,$parser,$safeeval);
1.122 albertel 2583: }
2584: return $currentstring;
2585: }
2586:
1.166 sakharuk 2587: #-- <th> tag (end tag optional)
1.122 albertel 2588: sub start_th {
2589: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2590: my $currentstring = '';
2591: if ($target eq 'web') {
2592: $currentstring = $token->[4];
2593: } elsif ($target eq 'tex') {
1.230 sakharuk 2594: $Apache::londefdef::TD_redirection = 1;
2595: &tagg_check('tr','th',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2596: }
2597: return $currentstring;
1.130 sakharuk 2598: }
1.230 sakharuk 2599:
2600: sub tagg_check {
2601: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
2602: my @ar=@$parstack;
2603: for (my $i=$#ar-1;$i>=0;$i--) {
2604: if (lc($$tagstack[$i]) eq $good_tag) {
2605: &start_th_tex($parstack,$parser,$safeeval);
2606: last;
2607: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2608: splice @ar, $i+1;
2609: &end_th_tex(\@ar,$parser,$safeeval);
2610: &start_th_tex($parstack,$parser,$safeeval);
2611: last;
2612: }
2613: }
2614: return '';
2615: }
2616:
2617: sub start_th_tex {
2618: my ($parstack,$parser,$safeeval) = @_;
2619: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2620: if ($alignchar eq '') {
2621: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
2622: }
2623: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
2624: $Apache::londefdef::table[-1]{'counter_columns'}++;
2625: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2626: if (defined $TeXwidth) {
2627: my $current_length=&recalc($TeXwidth);
2628: $current_length=~/(\d+\.?\d*)/;
2629: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2630: }
2631: &Apache::lonxml::startredirection();
2632: return '';
2633: }
2634:
2635: sub end_th_tex {
2636: my ($parstack,$parser,$safeeval) = @_;
2637: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2638: my $data=&Apache::lonxml::endredirection();
2639: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2640: if (defined $TeXwidth) {
2641: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2642: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2643: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2644: } else {
2645: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2646: my $garbage_data=$data;
2647: my $fwidth=0;
2648: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2649: my $current_length=&recalc($1);
2650: $current_length=~/(\d+\.?\d*)/;
2651: if ($fwidth<$1) {$fwidth=$1;}
2652: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2653: }
2654: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2655: my $current_length=$1;
2656: if ($fwidth<$current_length) {$fwidth=$current_length;}
2657: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2658: }
2659: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2660: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2661: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2662: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2663: } else {
2664: $data=~s/^\s+(\S.*)/$1/;
2665: $data=~s/(.*\S)\s+$/$1/;
2666: $data=~s/(\s)+/$1/;
2667: my ($current_length,$min_length)=(0,0);
2668: if ($data=~/\\vskip/) {
2669: my $newdata=$data;
2670: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2671: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2672: foreach my $elementdata (@newdata) {
2673: my $lengthnewdata=2.5*&LATEX_length($elementdata);
2674: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
2675: my @words=split(/ /,$elementdata);
2676: foreach my $word (@words) {
2677: my $lengthword=2.5*&LATEX_length($word);
2678: if ($min_length<$lengthword) {$min_length=$lengthword;}
2679: }
2680: }
2681: } else {
2682: $current_length=2.5*&LATEX_length($data);
2683: my @words=split(/ /,$data);
2684: foreach my $word (@words) {
2685: my $lengthword=2*&LATEX_length($word);
2686: if ($min_length<$lengthword) {$min_length=$lengthword;}
2687: }
2688: }
2689: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2690: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2691: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2692: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
2693: }
2694: }
2695: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
2696: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2697: }
2698: #make data bold
2699: $data='\textbf{'.$data.'}';
2700: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
2701: return'';
2702: }
2703:
1.122 albertel 2704: sub end_th {
1.130 sakharuk 2705: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2706: my $currentstring = &end_p(); # Close any open <p> in the row.
1.122 albertel 2707: if ($target eq 'web') {
1.277 foxr 2708: $currentstring .= $token->[2];
1.122 albertel 2709: } elsif ($target eq 'tex') {
1.230 sakharuk 2710: $Apache::londefdef::TD_redirection =0;
2711: &end_th_tex($parstack,$parser,$safeeval);
1.122 albertel 2712: }
2713: return $currentstring;
2714: }
1.230 sakharuk 2715:
1.181 sakharuk 2716: #-- <img> tag (end tag forbidden)
1.249 foxr 2717: #
2718: # Render the <IMG> tag.
2719: # <IMG> has the following attributes (in addition to the
2720: # standard HTML ones:
2721: # TeXwrap - Governs how the tex target will try to wrap text around
2722: # horizontally aligned images.
2723: # TeXwidth - The width of the image when rendered for print (mm).
2724: # TeXheight - The height of the image when rendered for print (mm)
2725: # (Note there seems to also be support for this as a % of page size)
2726: #
1.122 albertel 2727: sub start_img {
1.299 albertel 2728: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 2729: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
2730: undef,1);
1.189 albertel 2731: if (not $src and ($target eq 'web' or $target eq 'tex')) {
1.299 albertel 2732: my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style);
1.189 albertel 2733: return '';
2734: }
1.290 albertel 2735: &Apache::lonxml::extlink($src);
1.122 albertel 2736: my $currentstring = '';
2737: my $scaling = .3;
1.249 foxr 2738:
2739: # Render unto browsers that which are the browser's...
2740:
1.122 albertel 2741: if ($target eq 'web') {
1.267 albertel 2742: if ($env{'browser.imagesuppress'} ne 'on') {
1.250 albertel 2743: $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
1.122 albertel 2744: } else {
2745: my $alttag= &Apache::lonxml::get_param
2746: ('alt',$parstack,$safeeval,undef,1);
2747: unless ($alttag) {
2748: $alttag=&Apache::lonmeta::alttag
2749: ($Apache::lonxml::pwd[-1],$src);
1.51 sakharuk 2750: }
1.158 sakharuk 2751: $currentstring.='[IMAGE: '.$alttag.']';
1.1 sakharuk 2752: }
1.249 foxr 2753:
2754: # and render unto TeX that which is LaTeX
2755:
1.122 albertel 2756: } elsif ($target eq 'tex') {
1.248 foxr 2757: #
2758: # The alignment will require some superstructure to be put around
2759: # the \includegraphics stuff. At present we can only partially
2760: # simulate the alignments offered by html.
2761: #
2762: #
2763: my $align = lc(&Apache::lonxml::get_param('align',
2764: $parstack,
2765: $safeeval,
2766: undef,1));
2767: if(!$align) {
1.310 albertel 2768: # disabled for now see BUG#4535
2769: if (0 && &is_inside_of($tagstack, "table")) {
1.287 foxr 2770: $align = "right"; # Force wraptext use.
2771: } else {
2772: $align = "bottom"; # This is html's default so it's ours too.
2773: }
1.248 foxr 2774: }
2775: #
2776: &Apache::lonxml::debug("Alignemnt = $align");
2777: # LaTeX's image/text wrapping is really bad since it wants to
2778: # make figures float.
2779: # The user has the optional parameter (applicable only to l/r
2780: # alignment to use the picins/parpic directive to get wrapped text
2781: # this is also imperfect.. that's why we give them a choice...
2782: # so they can't yell at us for our choice.
2783: #
2784: my $latex_rendering = &Apache::lonxml::get_param('TeXwrap',
2785: $parstack,
2786: $safeeval,
2787: undef,0);
2788: &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
2789: if(!$latex_rendering) {
1.288 foxr 2790: $latex_rendering = "texwrap";
1.248 foxr 2791: }
1.261 foxr 2792: &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
1.248 foxr 2793:
1.256 albertel 2794: #if original gif/jpg/png file exist do following:
1.266 albertel 2795: my $origsrc=$src;
1.256 albertel 2796: my ($path,$file) = &get_eps_image($src);
1.122 albertel 2797: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.261 foxr 2798: &Apache::lonxml::debug("path = $path file = $file src = $src");
1.192 sakharuk 2799: if (-e $src) {
1.261 foxr 2800: &Apache::lonxml::debug("$src exists");
1.256 albertel 2801: my ($height_param,$width_param)=
1.266 albertel 2802: &image_size($origsrc,0.3,$parstack,$safeeval);
1.262 foxr 2803: my $destpath = $path;
1.263 foxr 2804: $destpath =~ s/ /\_/g; # Spaces in path cause LaTex to vomit.
2805: my $destfile = $file;
2806: $destfile =~ s/ /\_/g;
1.266 albertel 2807: my $size;
2808: if ($width_param) { $size.='width='.$width_param.' mm,'; }
2809: if ($height_param) { $size.='height='.$height_param.' mm]'; }
2810: $size='['.$size;
2811: $size=~s/,$/]/;
1.262 foxr 2812: $currentstring .= '\graphicspath{{'.$destpath.'}}'
1.266 albertel 2813: .'\includegraphics'.$size.'{'.$destfile.'} ';
1.256 albertel 2814:
1.248 foxr 2815: # If there's an alignment specification we need to honor it here.
2816: # For the horizontal alignments, we will also honor the
2817: # value of the latex specfication. The default is parbox,
2818: # and that's used for illegal values too.
2819: #
2820: # Even though we set a default alignment value, the user
2821: # could have given us an illegal value. In that case we
2822: # just use the default alignment of bottom..
2823: if ($align eq "top") {
2824: $currentstring = '\raisebox{-'.$height_param.'mm}{'.$currentstring.'}';
2825: } elsif (($align eq "center") || ($align eq "middle")) { # Being kind
2826: my $offset = $height_param/2;
2827: $currentstring = '\raisebox{-'.$offset.'mm}{'.$currentstring.'}';
2828: } elsif ($align eq "left") {
2829: if ($latex_rendering eq "parpic") {
2830: $currentstring = '\parpic[l]{'.$currentstring.'}';
1.286 foxr 2831: } else { # wrapfig render
2832: $currentstring = '\begin{wrapfigure}{l}{'.$width_param.'mm}'
2833: .'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
1.248 foxr 2834: }
2835: } elsif ($align eq "right") {
2836: if ($latex_rendering eq "parpic") {
2837: $currentstring = '\parpic[r]{'.$currentstring.'}';
1.286 foxr 2838: } else { # wrapfig rendering
2839: $currentstring = '\begin{wrapfigure}{r}{'.$width_param.'mm}'
2840: .'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
2841:
1.248 foxr 2842: }
2843: } else { # Bottom is also default.
2844: # $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}';
2845: }
1.122 albertel 2846: } else {
1.261 foxr 2847: &Apache::lonxml::debug("$src does not exist");
1.122 albertel 2848: #original image file doesn't exist so check the alt attribute
2849: my $alt =
2850: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2851: unless ($alt) {
2852: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2853: }
2854:
1.256 albertel 2855: if ($alt) { $currentstring .= ' '.$alt.' '; }
1.59 sakharuk 2856: }
1.249 foxr 2857:
2858: # And here's where the semi-quote breaks down: allow the user
2859: # to edit the beast as well by rendering the problem for edit:
1.186 albertel 2860: } elsif ($target eq 'edit') {
2861: $currentstring .=&Apache::edit::tag_start($target,$token);
2862: $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
2863: &Apache::edit::browse('src',undef,'alt').' '.
2864: &Apache::edit::search('src',undef,'alt').'<br />';
2865: $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
2866: $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
2867: $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
2868: $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
2869: $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
1.234 albertel 2870: $currentstring .=&Apache::edit::select_arg('Alignment:','align',
2871: ['','bottom','middle','top','left','right'],$token,5);
1.249 foxr 2872: $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
2873: ['', 'parbox', 'parpic'], $token, 2);
1.186 albertel 2874: $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.249 foxr 2875: my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval);
2876: my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval);
2877: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
2878: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
2879:
2880:
1.186 albertel 2881: $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
2882: if ($width) { $currentstring.=' width="'.$width.'" '; }
2883: if ($height) { $currentstring.=' height="'.$height.'" '; }
2884: $currentstring .= ' />';
2885: } elsif ($target eq 'modified') {
1.210 albertel 2886: my ($osrc,$owidth,$oheight)=
2887: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2888: my $ctag=&Apache::edit::get_new_args($token,$parstack,
1.234 albertel 2889: $safeeval,'src','alt','align',
1.249 foxr 2890: 'TeXwidth','TeXheight', 'TeXwrap',
1.210 albertel 2891: 'width','height');
2892: my ($nsrc,$nwidth,$nheight)=
2893: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2894: my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
2895: &image_replication($loc);
2896: my ($iwidth,$iheight);
2897: if (-e $loc) {
2898: my $image = Image::Magick->new;
2899: $image->Read($loc);
2900: ($iwidth, $iheight) = ($image->Get('width'),
2901: $image->Get('height'));
2902: }
2903: if ($osrc ne $nsrc || (!$nwidth && !$nheight)) {
2904: # changed image or no size specified,
2905: # if they didn't explicitly change the
2906: # width or height use the ones from the image
2907: if ($iwidth && $iheight) {
2908: if ($owidth == $nwidth || (!$nwidth && !$nheight)) {
2909: $token->[2]{'width'} = $iwidth;$ctag=1;
2910: }
2911: if ($oheight == $nheight || (!$nwidth && !$nheight)) {
2912: $token->[2]{'height'}=$iheight;$ctag=1;
1.186 albertel 2913: }
2914: }
2915: }
1.210 albertel 2916: my ($cwidth,$cheight)=($token->[2]{'width'},$token->[2]{'height'});
2917: # if we don't have a width or height
2918: if ($iwidth && $cwidth && !$cheight) {
2919: $token->[2]{'height'}=int(($cwidth/$iwidth)*$iheight);$ctag=1;
2920: }
2921: if ($iheight && $cheight && !$cwidth) {
2922: $token->[2]{'width'}=int(($cheight/$iheight)*$iwidth);$ctag=1;
2923: }
2924: if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
1.122 albertel 2925: }
1.261 foxr 2926:
1.122 albertel 2927: return $currentstring;
2928: }
2929:
2930: sub end_img {
2931: my ($target,$token) = @_;
2932: my $currentstring = '';
2933: if ($target eq 'web') {
2934: $currentstring = $token->[2];
2935: } elsif ($target eq 'tex') {
2936: $currentstring = '';
2937: }
2938: return $currentstring;
2939: }
2940:
1.181 sakharuk 2941: #-- <applet> tag (end tag required)
1.122 albertel 2942: sub start_applet {
2943: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2944:
2945: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
1.290 albertel 2946: &Apache::lonxml::extlink($code);
1.122 albertel 2947: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2948: undef,1);
1.290 albertel 2949: &Apache::lonxml::extlink($archive);
1.122 albertel 2950: my $currentstring = '';
2951: if ($target eq 'web') {
1.267 albertel 2952: if ($env{'browser.appletsuppress'} ne 'on') {
1.250 albertel 2953: $currentstring = &Apache::lonenc::encrypt_ref($token,
2954: {'code'=>$code,
2955: 'archive'=>$archive}
2956: );
1.122 albertel 2957: } else {
2958: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2959: $safeeval,undef,1);
2960: unless ($alttag) {
2961: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2962: $code);
1.44 sakharuk 2963: }
1.122 albertel 2964: $currentstring='[APPLET: '.$alttag.']';
1.1 sakharuk 2965: }
1.122 albertel 2966: } elsif ($target eq 'tex') {
1.177 albertel 2967: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2968: $safeeval,undef,1);
2969: unless ($alttag) {
2970: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,
2971: undef,1);
2972: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2973: $code);
1.175 sakharuk 2974: }
1.177 albertel 2975: $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
2976: '.}\end{center}';
1.122 albertel 2977: }
2978: return $currentstring;
2979: }
2980:
2981: sub end_applet {
2982: my ($target,$token) = @_;
2983: my $currentstring = '';
2984: if ($target eq 'web') {
2985: $currentstring = $token->[2];
2986: } elsif ($target eq 'tex') {
2987: }
2988: return $currentstring;
2989: }
2990:
1.181 sakharuk 2991: #-- <embed> tag (end tag optional/required)
1.122 albertel 2992: sub start_embed {
2993: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2994: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1.290 albertel 2995: &Apache::lonxml::extlink($src);
1.122 albertel 2996: my $currentstring = '';
2997: if ($target eq 'web') {
1.267 albertel 2998: if ($env{'browser.embedsuppress'} ne 'on') {
1.250 albertel 2999: $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
1.122 albertel 3000: } else {
3001: my $alttag=&Apache::lonxml::get_param
3002: ('alt',$parstack,$safeeval,undef,1);
3003: unless ($alttag) {
3004: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
1.42 albertel 3005: }
1.122 albertel 3006: $currentstring='[EMBED: '.$alttag.']';
1.10 www 3007: }
1.122 albertel 3008: } elsif ($target eq 'tex') {
3009: }
3010: return $currentstring;
3011: }
3012:
3013: sub end_embed {
3014: my ($target,$token) = @_;
3015: my $currentstring = '';
3016: if ($target eq 'web') {
3017: $currentstring = $token->[2];
1.175 sakharuk 3018: } elsif ($target eq 'tex') {
1.122 albertel 3019: }
3020: return $currentstring;
3021: }
3022:
1.181 sakharuk 3023: #-- <param> tag (end tag forbidden)
1.122 albertel 3024: sub start_param {
3025: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.290 albertel 3026: if (&Apache::lonxml::get_param('name',$parstack,
3027: $safeeval,undef,1)=~/^cabbase$/i) {
3028: my $value=&Apache::lonxml::get_param('value',$parstack,
3029: $safeeval,undef,1);
3030: &Apache::lonxml::extlink($value);
3031: }
3032:
3033: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
3034: &Apache::lonxml::extlink($src);
1.122 albertel 3035: my $currentstring = '';
3036: if ($target eq 'web') {
1.250 albertel 3037: my %toconvert;
3038: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
3039: if ($src) { $toconvert{'src'}= $src; }
3040: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval,
3041: undef,1);
1.251 albertel 3042: if ($name=~/^cabbase$/i) {
3043: $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack,
3044: $safeeval,undef,1);
3045: }
1.250 albertel 3046: $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert);
1.122 albertel 3047: } elsif ($target eq 'tex') {
3048: }
3049: return $currentstring;
3050: }
3051:
3052: sub end_param {
3053: my ($target,$token) = @_;
3054: my $currentstring = '';
3055: if ($target eq 'web') {
3056: $currentstring = $token->[2];
3057: } elsif ($target eq 'tex') {
3058: }
3059: return $currentstring;
3060: }
3061:
3062: #-- <allow> tag
3063: sub start_allow {
3064: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3065: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1.290 albertel 3066: &Apache::lonxml::extlink($src);
3067:
1.241 albertel 3068: if ($target eq 'tex') { &image_replication($src); }
1.122 albertel 3069: my $result;
3070: if ($target eq 'edit') {
3071: $result .=&Apache::edit::tag_start($target,$token);
3072: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
3073: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
3074: } elsif ($target eq 'modified') {
3075: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3076: $safeeval,'src');
3077: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3078: }
3079: return $result;
3080: }
3081:
3082: sub end_allow {
3083: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3084: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
3085: return '';
3086: }
1.119 www 3087:
1.181 sakharuk 3088: #-- Frames (end tag required)
3089: #-- <frameset>
1.122 albertel 3090: sub start_frameset {
3091: my ($target,$token) = @_;
1.277 foxr 3092: my $currentstring = ''; # Close any pending para.
1.122 albertel 3093: if ($target eq 'web') {
1.180 albertel 3094: if (!$Apache::lonxml::registered &&
1.267 albertel 3095: $env{'request.state'} eq 'published') {
1.122 albertel 3096: $currentstring.='<head>'.
3097: &Apache::lonmenu::registerurl(undef,$target).'</head>';
1.10 www 3098: }
1.133 www 3099: my $onLoad='';
3100: foreach my $key (keys(%{$token->[2]})) {
3101: if ($key =~ /^onload$/i) {
3102: $onLoad.=$token->[2]->{$key}.';';
3103: delete($token->[2]->{$key});
3104: }
3105: }
3106: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
3107: my $onUnload='';
3108: foreach my $key (keys(%{$token->[2]})) {
3109: if ($key =~ /^onunload$/i) {
3110: $onUnload.=$token->[2]->{$key}.';';
3111: delete($token->[2]->{$key});
3112: }
3113: }
3114: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
3115: ';'.$onUnload;
3116:
3117: $currentstring .= '<'.$token->[1];
3118: foreach (keys %{$token->[2]}) {
3119: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
3120: }
3121: $currentstring.='>';
1.122 albertel 3122: }
3123: return $currentstring;
3124: }
3125:
3126: sub end_frameset {
3127: my ($target,$token) = @_;
3128: my $currentstring = '';
3129: if ($target eq 'web') {
3130: $currentstring = $token->[2];
3131: }
3132: return $currentstring;
3133: }
1.162 sakharuk 3134:
1.181 sakharuk 3135: #-- <xmp> (end tag required)
1.162 sakharuk 3136: sub start_xmp {
3137: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3138: my $currentstring = '';
3139: if ($target eq 'web') {
3140: $currentstring .= $token->[4];
3141: } elsif ($target eq 'tex') {
3142: $currentstring .= '\begin{verbatim}';
3143: }
3144: return $currentstring;
3145: }
3146:
3147: sub end_xmp {
3148: my ($target,$token) = @_;
3149: my $currentstring = '';
3150: if ($target eq 'web') {
3151: $currentstring .= $token->[2];
3152: } elsif ($target eq 'tex') {
3153: $currentstring .= '\end{verbatim}';
3154: }
3155: return $currentstring;
3156: }
3157:
1.181 sakharuk 3158: #-- <pre> (end tag required)
1.122 albertel 3159: sub start_pre {
1.126 sakharuk 3160: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3161: my $currentstring = &end_p(); # close off pending <p>
1.122 albertel 3162: if ($target eq 'web') {
3163: $currentstring .= $token->[4];
3164: } elsif ($target eq 'tex') {
1.136 sakharuk 3165: $currentstring .= '\begin{verbatim}';
1.122 albertel 3166: }
3167: return $currentstring;
3168: }
3169:
3170: sub end_pre {
3171: my ($target,$token) = @_;
3172: my $currentstring = '';
3173: if ($target eq 'web') {
3174: $currentstring .= $token->[2];
3175: } elsif ($target eq 'tex') {
1.136 sakharuk 3176: $currentstring .= '\end{verbatim}';
1.122 albertel 3177: }
3178: return $currentstring;
3179: }
3180:
3181: #-- <insert>
3182: sub start_insert {
3183: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3184: my $currentstring = '';
3185: if ($target eq 'web') {
3186: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
3187: $currentstring .= '<b>'.$display.'</b>';;
3188: }
3189: return $currentstring;
3190: }
3191:
3192: sub end_insert {
3193: my ($target,$token) = @_;
3194: my $currentstring = '';
3195: if ($target eq 'web') {
3196: $currentstring .= '';
3197: }
3198: return $currentstring;
3199: }
3200:
3201: #-- <externallink>
3202: sub start_externallink {
3203: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3204: my $currentstring = '';
3205: if ($target eq 'web') {
3206: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
3207: $currentstring .= '<b>'.$display.'</b>';;
3208: }
3209: return $currentstring;
3210: }
3211:
3212: sub end_externallink {
3213: my ($target,$token) = @_;
3214: my $currentstring = '';
3215: if ($target eq 'web') {
3216: $currentstring .= '';
3217: }
3218: return $currentstring;
3219: }
3220:
3221: #-- <blankspace heigth="">
3222: sub start_blankspace {
3223: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3224: my $currentstring = &end_p(); # closes off any unclosed <p>
1.122 albertel 3225: if ($target eq 'tex') {
3226: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
3227: $currentstring .= '\vskip '.$howmuch.' ';
3228: }
3229: return $currentstring;
3230: }
3231:
3232: sub end_blankspace {
3233: my ($target,$token) = @_;
3234: my $currentstring = '';
3235: if ($target eq 'tex') {
3236: $currentstring .= '';
3237: }
3238: return $currentstring;
3239: }
3240:
1.181 sakharuk 3241: #-- <abbr> tag (end tag required)
1.122 albertel 3242: sub start_abbr {
3243: my ($target,$token) = @_;
3244: my $currentstring = '';
3245: if ($target eq 'web') {
3246: $currentstring = $token->[4];
3247: }
3248: return $currentstring;
3249: }
3250:
3251: sub end_abbr {
3252: my ($target,$token) = @_;
3253: my $currentstring = '';
3254: if ($target eq 'web') {
3255: $currentstring = $token->[2];
3256: }
3257: return $currentstring;
3258: }
3259:
1.181 sakharuk 3260: #-- <acronym> tag (end tag required)
1.122 albertel 3261: sub start_acronym {
3262: my ($target,$token) = @_;
3263: my $currentstring = '';
3264: if ($target eq 'web') {
3265: $currentstring = $token->[4];
3266: }
3267: return $currentstring;
3268: }
3269:
3270: sub end_acronym {
3271: my ($target,$token) = @_;
3272: my $currentstring = '';
3273: if ($target eq 'web') {
3274: $currentstring = $token->[2];
3275: }
3276: return $currentstring;
3277: }
3278:
1.181 sakharuk 3279: #-- <area> tag (end tag forbidden)
1.122 albertel 3280: sub start_area {
3281: my ($target,$token) = @_;
3282: my $currentstring = '';
3283: if ($target eq 'web') {
3284: $currentstring = $token->[4];
3285: }
3286: return $currentstring;
3287: }
3288:
3289: sub end_area {
3290: my ($target,$token) = @_;
3291: my $currentstring = '';
3292: if ($target eq 'web') {
3293: $currentstring = $token->[2];
3294: }
3295: return $currentstring;
3296: }
3297:
1.181 sakharuk 3298: #-- <base> tag (end tag forbidden)
1.122 albertel 3299: sub start_base {
3300: my ($target,$token) = @_;
3301: my $currentstring = '';
3302: if ($target eq 'web') {
3303: $currentstring = $token->[4];
1.161 sakharuk 3304: }
1.122 albertel 3305: return $currentstring;
3306: }
3307:
3308: sub end_base {
3309: my ($target,$token) = @_;
3310: my $currentstring = '';
3311: if ($target eq 'web') {
3312: $currentstring = $token->[2];
3313: }
3314: return $currentstring;
3315: }
3316:
1.181 sakharuk 3317: #-- <bdo> tag (end tag required)
1.122 albertel 3318: sub start_bdo {
3319: my ($target,$token) = @_;
3320: my $currentstring = '';
3321: if ($target eq 'web') {
3322: $currentstring = $token->[4];
3323: }
3324: return $currentstring;
3325: }
3326:
3327: sub end_bdo {
3328: my ($target,$token) = @_;
3329: my $currentstring = '';
3330: if ($target eq 'web') {
3331: $currentstring = $token->[2];
3332: }
3333: return $currentstring;
3334: }
3335:
1.181 sakharuk 3336: #-- <bgsound> tag (end tag optional)
1.122 albertel 3337: sub start_bgsound {
3338: my ($target,$token) = @_;
3339: my $currentstring = '';
3340: if ($target eq 'web') {
3341: $currentstring = $token->[4];
3342: }
3343: return $currentstring;
3344: }
3345:
3346: sub end_bgsound {
3347: my ($target,$token) = @_;
3348: my $currentstring = '';
3349: if ($target eq 'web') {
3350: $currentstring = $token->[2];
3351: }
3352: return $currentstring;
3353: }
3354:
1.181 sakharuk 3355: #-- <blink> tag (end tag required)
1.122 albertel 3356: sub start_blink {
3357: my ($target,$token) = @_;
3358: my $currentstring = '';
3359: if ($target eq 'web') {
3360: $currentstring = $token->[4];
3361: }
3362: return $currentstring;
3363: }
3364:
3365: sub end_blink {
3366: my ($target,$token) = @_;
3367: my $currentstring = '';
3368: if ($target eq 'web') {
3369: $currentstring = $token->[2];
3370: }
3371: return $currentstring;
3372: }
3373:
1.181 sakharuk 3374: #-- <blockquote> tag (end tag required)
1.122 albertel 3375: sub start_blockquote {
3376: my ($target,$token) = @_;
1.279 foxr 3377: my $currentstring = &end_p(); # Close any unclosed <p>
1.122 albertel 3378: if ($target eq 'web') {
1.277 foxr 3379: $currentstring .= $token->[4];
1.122 albertel 3380: }
3381: return $currentstring;
3382: }
3383:
3384: sub end_blockquote {
3385: my ($target,$token) = @_;
3386: my $currentstring = '';
3387: if ($target eq 'web') {
3388: $currentstring = $token->[2];
3389: }
3390: return $currentstring;
3391: }
3392:
1.181 sakharuk 3393: #-- <button> tag (end tag required)
1.122 albertel 3394: sub start_button {
3395: my ($target,$token) = @_;
3396: my $currentstring = '';
3397: if ($target eq 'web') {
3398: $currentstring = $token->[4];
3399: }
3400: return $currentstring;
3401: }
3402:
3403: sub end_button {
3404: my ($target,$token) = @_;
3405: my $currentstring = '';
3406: if ($target eq 'web') {
3407: $currentstring = $token->[2];
3408: }
3409: return $currentstring;
3410: }
3411:
1.181 sakharuk 3412: #-- <caption> tag (end tag required)
1.122 albertel 3413: sub start_caption {
3414: my ($target,$token) = @_;
3415: my $currentstring = '';
3416: if ($target eq 'web') {
3417: $currentstring = $token->[4];
3418: }
3419: return $currentstring;
3420: }
3421:
3422: sub end_caption {
3423: my ($target,$token) = @_;
3424: my $currentstring = '';
3425: if ($target eq 'web') {
3426: $currentstring = $token->[2];
3427: }
3428: return $currentstring;
3429: }
3430:
1.181 sakharuk 3431: #-- <col> tag (end tag forbdden)
1.122 albertel 3432: sub start_col {
3433: my ($target,$token) = @_;
3434: my $currentstring = '';
3435: if ($target eq 'web') {
3436: $currentstring = $token->[4];
3437: }
3438: return $currentstring;
3439: }
3440:
3441: sub end_col {
3442: my ($target,$token) = @_;
3443: my $currentstring = '';
3444: if ($target eq 'web') {
3445: $currentstring = $token->[2];
3446: }
3447: return $currentstring;
3448: }
3449:
1.181 sakharuk 3450: #-- <colgroup> tag (end tag optional)
1.122 albertel 3451: sub start_colgroup {
3452: my ($target,$token) = @_;
3453: my $currentstring = '';
3454: if ($target eq 'web') {
3455: $currentstring = $token->[4];
3456: }
3457: return $currentstring;
3458: }
3459:
3460: sub end_colgroup {
3461: my ($target,$token) = @_;
3462: my $currentstring = '';
3463: if ($target eq 'web') {
3464: $currentstring = $token->[2];
3465: }
3466: return $currentstring;
3467: }
3468:
1.181 sakharuk 3469: #-- <del> tag (end tag required)
1.122 albertel 3470: sub start_del {
3471: my ($target,$token) = @_;
3472: my $currentstring = '';
3473: if ($target eq 'web') {
3474: $currentstring = $token->[4];
3475: }
3476: return $currentstring;
3477: }
3478:
3479: sub end_del {
3480: my ($target,$token) = @_;
3481: my $currentstring = '';
3482: if ($target eq 'web') {
3483: $currentstring = $token->[2];
3484: }
3485: return $currentstring;
3486: }
3487:
1.181 sakharuk 3488: #-- <fieldset> tag (end tag required)
1.122 albertel 3489: sub start_fieldset {
3490: my ($target,$token) = @_;
3491: my $currentstring = '';
3492: if ($target eq 'web') {
3493: $currentstring = $token->[4];
3494: }
3495: return $currentstring;
3496: }
3497:
3498: sub end_fieldset {
3499: my ($target,$token) = @_;
3500: my $currentstring = '';
3501: if ($target eq 'web') {
3502: $currentstring = $token->[2];
3503: }
3504: return $currentstring;
3505: }
3506:
1.181 sakharuk 3507: #-- <frame> tag (end tag forbidden)
1.122 albertel 3508: sub start_frame {
3509: my ($target,$token) = @_;
3510: my $currentstring = '';
3511: if ($target eq 'web') {
3512: $currentstring = $token->[4];
3513: }
3514: return $currentstring;
3515: }
3516:
3517: sub end_frame {
3518: my ($target,$token) = @_;
3519: my $currentstring = '';
3520: if ($target eq 'web') {
3521: $currentstring = $token->[2];
3522: }
3523: return $currentstring;
3524: }
3525:
1.181 sakharuk 3526: #-- <iframe> tag (end tag required)
1.122 albertel 3527: sub start_iframe {
3528: my ($target,$token) = @_;
3529: my $currentstring = '';
3530: if ($target eq 'web') {
3531: $currentstring = $token->[4];
3532: }
3533: return $currentstring;
3534: }
3535:
3536: sub end_iframe {
3537: my ($target,$token) = @_;
3538: my $currentstring = '';
3539: if ($target eq 'web') {
3540: $currentstring = $token->[2];
3541: }
3542: return $currentstring;
3543: }
3544:
1.181 sakharuk 3545: #-- <ins> tag (end tag required)
1.122 albertel 3546: sub start_ins {
3547: my ($target,$token) = @_;
3548: my $currentstring = '';
3549: if ($target eq 'web') {
3550: $currentstring = $token->[4];
3551: }
3552: return $currentstring;
3553: }
3554:
3555: sub end_ins {
3556: my ($target,$token) = @_;
3557: my $currentstring = '';
3558: if ($target eq 'web') {
3559: $currentstring = $token->[2];
3560: }
3561: return $currentstring;
3562: }
3563:
1.181 sakharuk 3564: #-- <isindex> tag (end tag forbidden)
1.122 albertel 3565: sub start_isindex {
3566: my ($target,$token) = @_;
3567: my $currentstring = '';
3568: if ($target eq 'web') {
3569: $currentstring = $token->[4];
3570: }
3571: return $currentstring;
3572: }
3573:
3574: sub end_isindex {
3575: my ($target,$token) = @_;
3576: my $currentstring = '';
3577: if ($target eq 'web') {
3578: $currentstring = $token->[2];
3579: }
3580: return $currentstring;
3581: }
3582:
1.181 sakharuk 3583: #-- <keygen> tag (end tag forbidden)
1.122 albertel 3584: sub start_keygen {
3585: my ($target,$token) = @_;
3586: my $currentstring = '';
3587: if ($target eq 'web') {
3588: $currentstring = $token->[4];
3589: }
3590: return $currentstring;
3591: }
3592:
3593: sub end_keygen {
3594: my ($target,$token) = @_;
3595: my $currentstring = '';
3596: if ($target eq 'web') {
3597: $currentstring = $token->[2];
3598: }
3599: return $currentstring;
3600: }
3601:
3602: #-- <label> tag
3603: sub start_label {
3604: my ($target,$token) = @_;
3605: my $currentstring = '';
3606: if ($target eq 'web') {
3607: $currentstring = $token->[4];
3608: }
3609: return $currentstring;
3610: }
3611:
3612: sub end_label {
3613: my ($target,$token) = @_;
3614: my $currentstring = '';
3615: if ($target eq 'web') {
3616: $currentstring = $token->[2];
3617: }
3618: return $currentstring;
3619: }
3620:
1.181 sakharuk 3621: #-- <layer> tag (end tag required)
1.122 albertel 3622: sub start_layer {
3623: my ($target,$token) = @_;
3624: my $currentstring = '';
3625: if ($target eq 'web') {
3626: $currentstring = $token->[4];
3627: }
3628: return $currentstring;
3629: }
3630:
3631: sub end_layer {
3632: my ($target,$token) = @_;
3633: my $currentstring = '';
3634: if ($target eq 'web') {
3635: $currentstring = $token->[2];
3636: }
3637: return $currentstring;
3638: }
3639:
1.181 sakharuk 3640: #-- <legend> tag (end tag required)
1.122 albertel 3641: sub start_legend {
3642: my ($target,$token) = @_;
3643: my $currentstring = '';
3644: if ($target eq 'web') {
3645: $currentstring = $token->[4];
3646: }
3647: return $currentstring;
3648: }
3649:
3650: sub end_legend {
3651: my ($target,$token) = @_;
3652: my $currentstring = '';
3653: if ($target eq 'web') {
3654: $currentstring = $token->[2];
3655: }
3656: return $currentstring;
3657: }
3658:
1.181 sakharuk 3659: #-- <link> tag (end tag forbidden)
1.122 albertel 3660: sub start_link {
1.292 albertel 3661: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 3662: my $currentstring = '';
3663: if ($target eq 'web') {
1.291 albertel 3664: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
3665: undef,1);
3666: &Apache::lonxml::extlink($href);
1.122 albertel 3667: $currentstring = $token->[4];
3668: }
3669: return $currentstring;
3670: }
3671:
3672: sub end_link {
3673: my ($target,$token) = @_;
3674: my $currentstring = '';
3675: if ($target eq 'web') {
3676: $currentstring = $token->[2];
3677: }
3678: return $currentstring;
3679: }
3680:
1.181 sakharuk 3681: #-- <marquee> tag (end tag optional)
1.122 albertel 3682: sub start_marquee {
3683: my ($target,$token) = @_;
3684: my $currentstring = '';
3685: if ($target eq 'web') {
3686: $currentstring = $token->[4];
3687: }
3688: return $currentstring;
3689: }
3690:
3691: sub end_marquee {
3692: my ($target,$token) = @_;
3693: my $currentstring = '';
3694: if ($target eq 'web') {
3695: $currentstring = $token->[2];
3696: }
3697: return $currentstring;
3698: }
3699:
1.179 sakharuk 3700: #-- <multicol> tag (end tag required)
3701: sub start_multicol {
1.122 albertel 3702: my ($target,$token) = @_;
1.279 foxr 3703: my $currentstring = &end_p(); # Close any pending <p>
1.122 albertel 3704: if ($target eq 'web') {
1.277 foxr 3705: $currentstring .= $token->[4];
1.122 albertel 3706: }
3707: return $currentstring;
3708: }
3709:
1.179 sakharuk 3710: sub end_multicol {
1.122 albertel 3711: my ($target,$token) = @_;
3712: my $currentstring = '';
3713: if ($target eq 'web') {
3714: $currentstring = $token->[2];
3715: }
3716: return $currentstring;
3717: }
3718:
1.179 sakharuk 3719: #-- <nobr> tag (end tag required)
1.122 albertel 3720: sub start_nobr {
3721: my ($target,$token) = @_;
3722: my $currentstring = '';
3723: if ($target eq 'web') {
3724: $currentstring = $token->[4];
1.179 sakharuk 3725: } elsif ($target eq 'tex') {
3726: $currentstring='\mbox{';
3727: }
1.122 albertel 3728: return $currentstring;
3729: }
3730:
3731: sub end_nobr {
3732: my ($target,$token) = @_;
3733: my $currentstring = '';
3734: if ($target eq 'web') {
3735: $currentstring = $token->[2];
1.179 sakharuk 3736: } elsif ($target eq 'tex') {
3737: $currentstring='}';
3738: }
1.122 albertel 3739: return $currentstring;
3740: }
3741:
1.179 sakharuk 3742: #-- <noembed> tag (end tag required)
1.122 albertel 3743: sub start_noembed {
3744: my ($target,$token) = @_;
3745: my $currentstring = '';
3746: if ($target eq 'web') {
3747: $currentstring = $token->[4];
3748: }
3749: return $currentstring;
3750: }
3751:
3752: sub end_noembed {
3753: my ($target,$token) = @_;
3754: my $currentstring = '';
3755: if ($target eq 'web') {
3756: $currentstring = $token->[2];
3757: }
3758: return $currentstring;
3759: }
3760:
1.179 sakharuk 3761: #-- <noframes> tag (end tag required)
1.122 albertel 3762: sub start_noframes {
3763: my ($target,$token) = @_;
3764: my $currentstring = '';
3765: if ($target eq 'web') {
3766: $currentstring = $token->[4];
3767: }
3768: return $currentstring;
3769: }
3770:
3771: sub end_noframes {
3772: my ($target,$token) = @_;
3773: my $currentstring = '';
3774: if ($target eq 'web') {
3775: $currentstring = $token->[2];
3776: }
3777: return $currentstring;
3778: }
3779:
1.179 sakharuk 3780: #-- <nolayer> tag (end tag required)
1.122 albertel 3781: sub start_nolayer {
3782: my ($target,$token) = @_;
3783: my $currentstring = '';
3784: if ($target eq 'web') {
3785: $currentstring = $token->[4];
3786: }
3787: return $currentstring;
3788: }
3789:
3790: sub end_nolayer {
3791: my ($target,$token) = @_;
3792: my $currentstring = '';
3793: if ($target eq 'web') {
3794: $currentstring = $token->[2];
3795: }
3796: return $currentstring;
3797: }
3798:
1.179 sakharuk 3799: #-- <noscript> tag (end tag required)
1.122 albertel 3800: sub start_noscript {
3801: my ($target,$token) = @_;
3802: my $currentstring = '';
3803: if ($target eq 'web') {
3804: $currentstring = $token->[4];
3805: }
3806: return $currentstring;
3807: }
3808:
3809: sub end_noscript {
3810: my ($target,$token) = @_;
3811: my $currentstring = '';
3812: if ($target eq 'web') {
3813: $currentstring = $token->[2];
3814: }
3815: return $currentstring;
3816: }
3817:
1.179 sakharuk 3818: #-- <object> tag (end tag required)
1.122 albertel 3819: sub start_object {
3820: my ($target,$token) = @_;
3821: my $currentstring = '';
3822: if ($target eq 'web') {
3823: $currentstring = $token->[4];
3824: }
3825: return $currentstring;
3826: }
3827:
3828: sub end_object {
3829: my ($target,$token) = @_;
3830: my $currentstring = '';
3831: if ($target eq 'web') {
3832: $currentstring = $token->[2];
3833: }
3834: return $currentstring;
3835: }
3836:
1.179 sakharuk 3837: #-- <optgroup> tag (end tag required)
1.122 albertel 3838: sub start_optgroup {
3839: my ($target,$token) = @_;
3840: my $currentstring = '';
3841: if ($target eq 'web') {
3842: $currentstring = $token->[4];
3843: }
3844: return $currentstring;
3845: }
3846:
3847: sub end_optgroup {
3848: my ($target,$token) = @_;
3849: my $currentstring = '';
3850: if ($target eq 'web') {
3851: $currentstring = $token->[2];
3852: }
3853: return $currentstring;
3854: }
3855:
1.179 sakharuk 3856: #-- <samp> tag (end tag required)
1.122 albertel 3857: sub start_samp {
3858: my ($target,$token) = @_;
3859: my $currentstring = '';
3860: if ($target eq 'web') {
3861: $currentstring = $token->[4];
1.179 sakharuk 3862: } elsif ($target eq 'tex') {
3863: $currentstring='\texttt{';
3864: }
1.122 albertel 3865: return $currentstring;
3866: }
3867:
3868: sub end_samp {
3869: my ($target,$token) = @_;
3870: my $currentstring = '';
3871: if ($target eq 'web') {
3872: $currentstring = $token->[2];
1.179 sakharuk 3873: } elsif ($target eq 'tex') {
3874: $currentstring='}';
3875: }
1.122 albertel 3876: return $currentstring;
3877: }
3878:
3879: #-- <server> tag
3880: sub start_server {
3881: my ($target,$token) = @_;
3882: my $currentstring = '';
3883: if ($target eq 'web') {
3884: $currentstring = $token->[4];
3885: }
3886: return $currentstring;
3887: }
3888:
3889: sub end_server {
3890: my ($target,$token) = @_;
3891: my $currentstring = '';
3892: if ($target eq 'web') {
3893: $currentstring = $token->[2];
3894: }
3895: return $currentstring;
3896: }
3897:
1.179 sakharuk 3898: #-- <spacer> tag (end tag forbidden)
1.122 albertel 3899: sub start_spacer {
3900: my ($target,$token) = @_;
1.279 foxr 3901: my $currentstring = &end_p(); # Close off any open <p> tag.
1.122 albertel 3902: if ($target eq 'web') {
1.277 foxr 3903: $currentstring .= $token->[4];
1.122 albertel 3904: }
3905: return $currentstring;
3906: }
3907:
3908: sub end_spacer {
3909: my ($target,$token) = @_;
3910: my $currentstring = '';
3911: if ($target eq 'web') {
3912: $currentstring = $token->[2];
3913: }
3914: return $currentstring;
3915: }
3916:
1.179 sakharuk 3917: #-- <span> tag (end tag required)
1.122 albertel 3918: sub start_span {
3919: my ($target,$token) = @_;
3920: my $currentstring = '';
3921: if ($target eq 'web') {
3922: $currentstring = $token->[4];
3923: }
3924: return $currentstring;
3925: }
3926:
3927: sub end_span {
3928: my ($target,$token) = @_;
3929: my $currentstring = '';
3930: if ($target eq 'web') {
3931: $currentstring = $token->[2];
3932: }
3933: return $currentstring;
3934: }
3935:
1.179 sakharuk 3936: #-- <tbody> tag (end tag optional)
1.122 albertel 3937: sub start_tbody {
3938: my ($target,$token) = @_;
3939: my $currentstring = '';
3940: if ($target eq 'web') {
3941: $currentstring = $token->[4];
3942: }
3943: return $currentstring;
3944: }
3945:
3946: sub end_tbody {
3947: my ($target,$token) = @_;
3948: my $currentstring = '';
3949: if ($target eq 'web') {
3950: $currentstring = $token->[2];
3951: }
3952: return $currentstring;
3953: }
3954:
1.166 sakharuk 3955: #-- <tfoot> tag (end tag optional)
1.122 albertel 3956: sub start_tfoot {
3957: my ($target,$token) = @_;
3958: my $currentstring = '';
3959: if ($target eq 'web') {
3960: $currentstring = $token->[4];
3961: }
3962: return $currentstring;
3963: }
3964:
3965: sub end_tfoot {
3966: my ($target,$token) = @_;
3967: my $currentstring = '';
3968: if ($target eq 'web') {
3969: $currentstring = $token->[2];
3970: }
3971: return $currentstring;
3972: }
3973:
1.166 sakharuk 3974: #-- <thead> tag (end tag optional)
1.122 albertel 3975: sub start_thead {
3976: my ($target,$token) = @_;
3977: my $currentstring = '';
3978: if ($target eq 'web') {
3979: $currentstring = $token->[4];
3980: }
3981: return $currentstring;
3982: }
1.10 www 3983:
1.122 albertel 3984: sub end_thead {
3985: my ($target,$token) = @_;
3986: my $currentstring = '';
3987: if ($target eq 'web') {
3988: $currentstring = $token->[2];
3989: }
3990: return $currentstring;
3991: }
1.119 www 3992:
1.122 albertel 3993: #-- <var> tag
3994: sub start_var {
1.44 sakharuk 3995: my ($target,$token) = @_;
3996: my $currentstring = '';
3997: if ($target eq 'web') {
1.122 albertel 3998: $currentstring = $token->[4];
1.163 sakharuk 3999: } elsif ($target eq 'tex') {
4000: $currentstring = '\textit{';
4001: }
1.44 sakharuk 4002: return $currentstring;
4003: }
1.10 www 4004:
1.122 albertel 4005: sub end_var {
4006: my ($target,$token) = @_;
1.44 sakharuk 4007: my $currentstring = '';
4008: if ($target eq 'web') {
1.163 sakharuk 4009: $currentstring = $token->[2];
4010: } elsif ($target eq 'tex') {
4011: $currentstring = '}';
1.44 sakharuk 4012: }
4013: return $currentstring;
4014: }
1.119 www 4015:
1.163 sakharuk 4016: #-- <wbr> tag (end tag forbidden)
1.122 albertel 4017: sub start_wbr {
4018: my ($target,$token) = @_;
4019: my $currentstring = '';
4020: if ($target eq 'web') {
4021: $currentstring = $token->[4];
4022: }
4023: return $currentstring;
1.98 albertel 4024: }
4025:
1.122 albertel 4026: sub end_wbr {
4027: my ($target,$token) = @_;
4028: my $currentstring = '';
4029: if ($target eq 'web') {
4030: $currentstring = $token->[2];
4031: }
4032: return $currentstring;
1.98 albertel 4033: }
1.134 sakharuk 4034:
4035: #-- <hideweboutput> tag
4036: sub start_hideweboutput {
4037: my ($target,$token) = @_;
4038: if ($target eq 'web') {
4039: &Apache::lonxml::startredirection();
4040: }
4041: return '';
4042: }
4043:
4044: sub end_hideweboutput {
4045: my ($target,$token) = @_;
4046: my $currentstring = '';
4047: if ($target eq 'web') {
4048: $currentstring = &Apache::lonxml::endredirection();
4049: }
4050: return '';
4051: }
4052:
1.94 sakharuk 4053:
4054: sub image_replication {
4055: my $src = shift;
1.187 albertel 4056: if (not -e $src) { &Apache::lonnet::repcopy($src); }
4057: #replicates eps or ps
4058: my $epssrc = my $pssrc = $src;
4059: $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
4060: $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
4061: if (not -e $epssrc && not -e $pssrc) {
4062: my $result=&Apache::lonnet::repcopy($epssrc);
1.264 raeburn 4063: if ($result ne 'ok') { &Apache::lonnet::repcopy($pssrc); }
1.94 sakharuk 4064: }
4065: return '';
1.195 sakharuk 4066: }
1.275 foxr 4067: #
4068: # Get correct sizing parameter for an image given
4069: # it's initial ht. and wid. This allows sizing of
4070: # images that are generated on-the-fly (e.g. gnuplot)
4071: # as well as serving as a utility for image_size.
4072: #
4073: # Parameter:
4074: # height_param
4075: # width_param - Initial picture dimensions.
4076: # scaling - A scale factor.
4077: # parstack, - the current stack of tag attributes
4078: # from the xml parser
4079: # safeeval, - pointer to the safespace
4080: # depth, - from what level in the stack to look for attributes
4081: # (assumes -1 if unspecified)
4082: # cis - look for attrubutes case insensitively
4083: # (assumes false)
4084: #
4085: # Returns:
4086: # height, width - new dimensions.
4087: #
4088: sub resize_image {
4089: my ($height_param, $width_param, $scaling,
4090: $parstack, $safeeval, $depth, $cis) = @_;
4091:
4092: # First apply the scaling...
1.271 foxr 4093:
1.275 foxr 4094: $height_param = $height_param * $scaling;
4095: $width_param = $width_param * $scaling;
1.261 foxr 4096:
1.197 sakharuk 4097: #do we have any specified LaTeX size of the picture?
1.261 foxr 4098: my $toget='TeXwidth';
4099: if ($cis) {
4100: $toget=lc($toget);
4101: }
1.256 albertel 4102: my $TeXwidth = &Apache::lonxml::get_param($toget,$parstack,
4103: $safeeval,$depth,$cis);
4104: $toget='TeXheight'; if ($cis) { $toget=lc($toget); }
4105: my $TeXheight = &Apache::lonxml::get_param($toget,$parstack,
4106: $safeeval,$depth,$cis);
1.197 sakharuk 4107: #do we have any specified web size of the picture?
4108: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1.256 albertel 4109: $depth,1);
4110: if ($TeXwidth) {
1.252 matthew 4111: my $old_width_param=$width_param;
1.197 sakharuk 4112: if ($TeXwidth=~/(\d+)\s*\%/) {
1.267 albertel 4113: $width_param = $1*$env{'form.textwidth'}/100;
1.197 sakharuk 4114: } else {
4115: $width_param = $TeXwidth;
4116: }
1.266 albertel 4117: if ($TeXheight) {
4118: $height_param = $TeXheight;
4119: } elsif ($old_width_param) {
4120: $height_param=$TeXwidth/$old_width_param*$height_param;
4121: }
1.256 albertel 4122: } elsif ($TeXheight) {
1.248 foxr 4123: $height_param = $TeXheight;
1.266 albertel 4124: if ($height_param) {
4125: $width_param = $TeXheight/$height_param*$width_param;
4126: }
1.256 albertel 4127: } elsif ($width) {
1.252 matthew 4128: my $old_width_param=$width_param;
1.256 albertel 4129: $width_param = $width*$scaling;
1.266 albertel 4130: if ($old_width_param) {
4131: $height_param=$width_param/$old_width_param*$height_param;
4132: }
1.252 matthew 4133: }
1.267 albertel 4134: if ($width_param > $env{'form.textwidth'}) {
1.252 matthew 4135: my $old_width_param=$width_param;
1.267 albertel 4136: $width_param =0.95*$env{'form.textwidth'};
1.266 albertel 4137: if ($old_width_param) {
4138: $height_param=$width_param/$old_width_param*$height_param;
4139: }
1.197 sakharuk 4140: }
1.275 foxr 4141:
4142: return ($height_param, $width_param);
4143: }
4144:
4145: sub image_size {
4146: my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_;
4147:
4148: #size of image from gif/jpg/jpeg/png
4149: my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
4150: if (-e $ressrc) {
4151: $src = $ressrc;
4152: }
4153: my $image = Image::Magick->new;
4154: my $current_figure = $image->Read($src);
4155: my $width_param = $image->Get('width');
4156: my $height_param = $image->Get('height');
4157: &Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param");
4158: undef($image);
4159:
4160: ($height_param, $width_param) = &resize_image($height_param, $width_param,
4161: $scaling, $parstack, $safeeval,
4162: $depth, $cis);
4163:
1.248 foxr 4164: return ($height_param, $width_param);
4165: }
4166:
4167: sub image_width {
4168: my ($height, $width) = &image_size(@_);
4169: return $width;
4170: }
4171: # Not yet 100% sure this is correct in all circumstances..
4172: # due to my uncertainty about mods to image_size.
4173: #
4174: sub image_height {
4175: my ($height, $width) = &image_size(@_);
4176: return $height;
1.197 sakharuk 4177: }
4178:
1.256 albertel 4179: sub get_eps_image {
4180: my ($src)=@_;
1.261 foxr 4181: my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
1.285 foxr 4182:
4183: # In order to prevent the substitution of the alt text, we need to
4184: # be sure the orig_src file is on system now so:
4185:
4186: if (! -e $orig_src) {
4187: &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
4188: }
1.275 foxr 4189: &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
1.282 foxr 4190: my ($spath, $sname, $sext) = fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);
1.256 albertel 4191: $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;
4192: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.275 foxr 4193: &Apache::lonxml::debug("Filelocation gives: $src");
1.256 albertel 4194: if (! -e $src) {
1.261 foxr 4195: &Apache::lonxml::debug("$src does not exist");
1.264 raeburn 4196: if (&Apache::lonnet::repcopy($src) ne 'ok' ) {
1.261 foxr 4197: &Apache::lonxml::debug("Repcopy of $src failed (1)");
1.256 albertel 4198: #if replication failed try to find ps file
4199: $src=~s/\.eps$/\.ps/;
1.261 foxr 4200: &Apache::lonxml::debug("Now looking for $src");
1.270 foxr 4201: #if no ps file try to replicate it.
4202: my $didrepcopy = &Apache::lonnet::repcopy($src);
4203: &Apache::lonxml::debug("repcopy of $src ... $didrepcopy");
4204: if ( (not -e $src) ||
4205: ($didrepcopy ne 'ok')) {
1.261 foxr 4206: &Apache::lonxml::debug("Failed to find or replicate $src");
4207:
1.256 albertel 4208: #if replication failed try to produce eps file dynamically
4209: $src=~s/\.ps$/\.eps/;
4210: my $temp_file;
1.267 albertel 4211: open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.256 albertel 4212: my $newsrc=$orig_src;
4213: $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
1.275 foxr 4214: &Apache::lonxml::debug("queueing $newsrc for dynamic eps production.");
1.256 albertel 4215: print FILE "$newsrc\n";
1.261 foxr 4216: close FILE;
1.256 albertel 4217: $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
4218: $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
1.283 albertel 4219: if ($sext ne "") { # Put the ext. back in to uniquify.
4220: $src =~ s/\.eps$/$sext.eps/;
4221: }
1.256 albertel 4222: }
4223: }
4224: }
4225: my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
1.261 foxr 4226: &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
1.256 albertel 4227: return ($path.'/',$file);
4228: }
4229:
1.195 sakharuk 4230: sub eps_generation {
4231: my ($src,$file,$width_param) = @_;
1.267 albertel 4232: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.195 sakharuk 4233: my $temp_file = Apache::File->new('>>'.$filename);
4234: print $temp_file "$src\n";
4235: my $newsrc = $src;
4236: $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
4237: $newsrc=~s/\/home\/httpd\/html\/res//;
4238: $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
4239: $newsrc=~s/\/\.\//\//;
4240: $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
1.213 sakharuk 4241: if ($newsrc=~/\/home\/httpd\/lonUsers\//) {
4242: $newsrc=~s/\/home\/httpd\/lonUsers//;
4243: $newsrc=~s/\/([^\/]+)\/(\w)\/(\w)\/(\w)\//\/$1\//;
4244: }
1.239 sakharuk 4245: if ($newsrc=~/\/userfiles\//) {
4246: return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4247: } else {
4248: return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4249: }
1.197 sakharuk 4250: }
4251:
4252: sub file_path {
4253: my $src=shift;
4254: my ($file,$path);
4255: if ($src =~ m!(.*)/([^/]*)$!) {
4256: $file = $2;
4257: $path = $1.'/';
4258: }
4259: return $file,$path;
1.126 sakharuk 4260: }
1.294 foxr 4261: # Converts a measurement in to mm from any of
4262: # the other valid LaTeX units of measure.
4263: # If the units of measure are missing from the
4264: # parameter, it is assumed to be in and returned
4265: # with mm units of measure
1.126 sakharuk 4266: sub recalc {
4267: my $argument = shift;
4268: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
1.132 sakharuk 4269: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
1.126 sakharuk 4270: my $value=$1;
4271: my $units=$2;
4272: if ($units eq 'cm') {
4273: $value*=10;
4274: } elsif ($units eq 'in') {
4275: $value*=25.4;
4276: } elsif ($units eq 'pc') {
4277: $value*=(25.4*12/72.27);
4278: } elsif ($units eq 'pt') {
4279: $value*=(25.4/72.27);
4280: }
4281: return $value.' mm';
1.94 sakharuk 4282: }
1.184 sakharuk 4283:
4284: sub LATEX_length {
4285: my $garbage=shift;
1.206 sakharuk 4286: $garbage=~s/^\s+$//;
4287: $garbage=~s/^\s+(\S.*)/$1/;#space before
4288: $garbage=~s/(.*\S)\s+$/$1/;#space after
4289: $garbage=~s/(\s)+/$1/;#only one space
4290: $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
4291: $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
4292: $garbage=~s/([^\\])\$/$1/g;#$
4293: $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
4294: $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 4295: $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;
4296: $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;
4297: $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 4298: $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;
4299: $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;
4300: $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
4301: #remove some other LaTeX command
4302: $garbage=~s|\\(\w+)\\|\\|g;
4303: $garbage=~s|\\(\w+)(\s*)|$2|g;
4304: $garbage=~s|\+|11|g;
1.184 sakharuk 4305: my $value=length($garbage);
4306: return $value;
4307: }
4308:
4309:
1.287 foxr 4310: # is_inside_of $tagstack $tag
4311: # This sub returns true if the current state of Xml processing
4312: # is inside of the tag.
4313: # Parameters:
4314: # tagstack - The tagstack from the parser.
4315: # tag - The tag (without the <>'s.).
4316: # Sample usage:
4317: # if (is_inside_of($tagstack "table")) {
4318: # # I'm in a table....
4319: # }
4320: sub is_inside_of {
4321: my ($tagstack, $tag) = @_;
4322: my @stack = @$tagstack;
4323: for (my $i = ($#stack - 1); $i >= 0; $i--) {
4324: if ($stack[$i] eq $tag) {
4325: return 1;
4326: }
4327: }
4328: return 0;
4329: }
1.184 sakharuk 4330:
1.94 sakharuk 4331:
1.1 sakharuk 4332: 1;
4333: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to londefdef.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / xml