Annotation of loncom/xml/londefdef.pm, revision 1.284
1.1 sakharuk 1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
1.284 ! albertel 4: # $Id: londefdef.pm,v 1.283 2005/08/02 15:22:56 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;
1.160 sakharuk 51:
1.38 harris41 52: BEGIN {
1.15 sakharuk 53:
1.135 sakharuk 54: &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 55:
1.188 albertel 56: }
57:
58: sub initialize_londefdef {
59: $Apache::londefdef::TD_redirection=0;
60: @Apache::londefdef::table = ();
61: $Apache::londefdef::select=0;
1.243 albertel 62: undef(@Apache::londefdef::description);
63: @Apache::londefdef::DD=(0);
64: @Apache::londefdef::DT=(0);
1.244 albertel 65: @Apache::londefdef::seenDT=(0);
1.238 albertel 66: $Apache::londefdef::list_index=0;
1.3 sakharuk 67: }
1.1 sakharuk 68:
1.35 sakharuk 69: #======================= TAG SUBROUTINES =====================
1.8 sakharuk 70: #-- <output>
1.21 albertel 71: sub start_output {
1.122 albertel 72: my ($target) = @_;
73: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
74: return '';
1.21 albertel 75: }
76: sub end_output {
1.122 albertel 77: my ($target) = @_;
78: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
79: return '';
1.21 albertel 80: }
1.4 sakharuk 81: #-- <m> tag
1.33 albertel 82: sub start_m {
1.190 albertel 83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 84: my $currentstring = '';
1.193 albertel 85: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
1.191 albertel 86: if ($target eq 'web' || $target eq 'analyze') {
1.122 albertel 87: &Apache::lonxml::debug("M is starting with:$inside:");
88: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
89: if ($eval eq 'on') {
90: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
91: #&Apache::lonxml::debug("M is evaulated to:$inside:");
92: }
1.276 albertel 93: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
94: $currentstring = &Apache::lontexconvert::converted(\$inside,$display);
1.122 albertel 95: if ($Apache::lontexconvert::errorstring) {
96: &Apache::lonxml::warning("tth error: ".
97: $Apache::lontexconvert::errorstring);
98: $Apache::lontexconvert::errorstring='';
99: }
100: #&Apache::lonxml::debug("M is ends with:$currentstring:");
1.178 albertel 101: $Apache::lonxml::post_evaluate=0;
1.122 albertel 102: } elsif ($target eq 'tex') {
1.190 albertel 103: $currentstring = $inside;
1.178 albertel 104: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
105: if ($eval eq 'on') {
106: $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
107: }
1.122 albertel 108: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
1.257 albertel 109: # detect simple math mode entry exits, and convert them
110: # to use \ensuremath
111: if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {
112: $currentstring=~s/^\$//;
113: $currentstring=~s/\$$//;
114: $currentstring='\ensuremath{'.$currentstring.'}';
115: }
1.178 albertel 116: $Apache::lonxml::post_evaluate=0;
1.122 albertel 117: }
118: return $currentstring;
1.33 albertel 119: }
1.122 albertel 120:
1.33 albertel 121: sub end_m {
1.122 albertel 122: my ($target,$token) = @_;
123: my $currentstring = '';
1.204 albertel 124: if ($target eq 'tex') {
1.122 albertel 125: $currentstring = "";
126: }
127: return $currentstring;
1.33 albertel 128: }
1.110 albertel 129:
130: sub start_tthoption {
1.122 albertel 131: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
132: my $result;
133: if ($target eq 'web') {
134: my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser);
135: $inside=~s/^\s*//;
1.267 albertel 136: if ($env{'browser.mathml'}) {
1.122 albertel 137: &tth::ttmoptions($inside);
138: } else {
139: &tth::tthoptions($inside);
140: }
141: }
142: return $result;
1.110 albertel 143: }
144:
145: sub end_tthoption {
1.122 albertel 146: my ($target,$token) = @_;
147: my $result;
148: return $result;
1.110 albertel 149: }
150:
1.181 sakharuk 151: #-- <html> tag (end tag optional)
1.100 albertel 152: sub start_html {
153: my ($target,$token) = @_;
154: my $currentstring = '';
1.267 albertel 155: my $options=$env{'course.'.$env{'request.course.id'}.'.tthoptions'};
1.196 albertel 156: &Apache::lontexconvert::init_tth();
1.269 albertel 157: if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) {
1.242 albertel 158: $currentstring = &Apache::lonxml::xmlbegin();
1.100 albertel 159: } elsif ($target eq 'tex') {
1.246 albertel 160: $currentstring .= '\documentclass[letterpaper]{article}';
1.267 albertel 161: if (($env{'form.latex_type'}=~'batchmode') ||
162: (!$env{'request.role.adv'})) {$currentstring .='\batchmode';}
1.217 sakharuk 163: $currentstring .= '\newcommand{\keephidden}[1]{}'.
164: '\renewcommand{\deg}{$^{\circ}$}'.
165: '\usepackage{longtable}'.
166: '\usepackage{textcomp}'.
167: '\usepackage{makeidx}'.
168: '\usepackage[dvips]{graphicx}'.
1.248 foxr 169: '\usepackage{picins}'.
1.217 sakharuk 170: '\usepackage{epsfig}'.
171: '\usepackage{calc}'.
172: '\usepackage{amsmath}'.
173: '\usepackage{amssymb}'.
174: '\usepackage{amsfonts}'.
175: '\usepackage{amsthm}'.
176: '\usepackage{amscd}'.
177: '\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}}'.
178: '\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 179: }
180: return $currentstring;
181: }
1.122 albertel 182:
183: sub end_html {
1.232 sakharuk 184: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 185: my $currentstring = '';
186: if ($target eq 'web') {
1.259 albertel 187: $currentstring = '</html>';
1.122 albertel 188: }
189: return $currentstring;
190: }
191:
1.181 sakharuk 192: #-- <head> tag (end tag optional)
1.122 albertel 193: sub start_head {
194: my ($target,$token) = @_;
195: my $currentstring = '';
196: if ($target eq 'web') {
1.242 albertel 197: $currentstring = $token->[4].&Apache::lonxml::fontsettings();
1.122 albertel 198: }
199: return $currentstring;
200: }
201:
202: sub end_head {
203: my ($target,$token) = @_;
204: my $currentstring = '';
1.267 albertel 205: if ($target eq 'web' && $env{'request.state'} eq 'published') {
1.122 albertel 206: $currentstring = &Apache::lonmenu::registerurl(undef,$target).
207: $token->[2];
208: }
209: return $currentstring;
210: }
211:
1.181 sakharuk 212: #-- <map> tag (end tag required)
1.122 albertel 213: sub start_map {
214: my ($target,$token) = @_;
215: my $currentstring = '';
216: if ($target eq 'web') {
217: $currentstring = $token->[4];
218: }
219: return $currentstring;
220: }
221:
222: sub end_map {
223: my ($target,$token) = @_;
224: my $currentstring = '';
225: if ($target eq 'web') {
226: $currentstring = $token->[2];
227: }
228: return $currentstring;
229: }
230:
1.181 sakharuk 231: #-- <select> tag (end tag required)
1.122 albertel 232: sub start_select {
233: my ($target,$token) = @_;
234: my $currentstring = '';
235: if ($target eq 'web') {
236: $currentstring = $token->[4];
1.181 sakharuk 237: } elsif ($target eq 'tex') {
238: $Apache::londefdef::select=0;
239: }
1.122 albertel 240: return $currentstring;
241: }
242:
243: sub end_select {
244: my ($target,$token) = @_;
245: my $currentstring = '';
246: if ($target eq 'web') {
247: $currentstring = $token->[2];
248: }
249: return $currentstring;
250: }
251:
1.181 sakharuk 252: #-- <option> tag (end tag optional)
1.122 albertel 253: sub start_option {
1.181 sakharuk 254: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 255: my $currentstring = '';
256: if ($target eq 'web') {
257: $currentstring = $token->[4];
1.181 sakharuk 258: } elsif ($target eq 'tex') {
259: $Apache::londefdef::select++;
260: if ($Apache::londefdef::select == 1) {
261: $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
262: } else {
263: $currentstring='\keephidden{';
264: }
265: }
1.122 albertel 266: return $currentstring;
267: }
268:
269: sub end_option {
270: my ($target,$token) = @_;
271: my $currentstring = '';
272: if ($target eq 'web') {
273: $currentstring = $token->[2];
1.181 sakharuk 274: } elsif ($target eq 'tex') {
275: $currentstring='}';
276: }
1.122 albertel 277: return $currentstring;
278: }
279:
1.181 sakharuk 280: #-- <input> tag (end tag forbidden)
1.122 albertel 281: sub start_input {
282: my ($target,$token) = @_;
283: my $currentstring = '';
284: if ($target eq 'web') {
285: $currentstring = $token->[4];
286: }
287: return $currentstring;
288: }
289:
290: sub end_input {
291: my ($target,$token) = @_;
292: my $currentstring = '';
293: if ($target eq 'web') {
294: $currentstring = $token->[2];
295: }
296: return $currentstring;
297: }
298:
1.181 sakharuk 299: #-- <textarea> tag (end tag required)
1.122 albertel 300: sub start_textarea {
301: my ($target,$token) = @_;
302: my $currentstring = '';
303: if ($target eq 'web') {
304: $currentstring = $token->[4];
305: }
306: return $currentstring;
307: }
308:
309: sub end_textarea {
310: my ($target,$token) = @_;
311: my $currentstring = '';
312: if ($target eq 'web') {
313: $currentstring = $token->[2];
314: }
315: return $currentstring;
316: }
317:
1.181 sakharuk 318: #-- <form> tag (end tag required)
1.122 albertel 319: sub start_form {
320: my ($target,$token) = @_;
321: my $currentstring = '';
322: if ($target eq 'web') {
323: $currentstring = $token->[4];
324: }
325: return $currentstring;
326: }
327:
328: sub end_form {
329: my ($target,$token) = @_;
330: my $currentstring = '';
331: if ($target eq 'web') {
332: $currentstring = $token->[2];
333: }
334: return $currentstring;
335: }
336:
1.181 sakharuk 337: #-- <title> tag (end tag required)
1.122 albertel 338: sub start_title {
339: my ($target,$token) = @_;
340: my $currentstring = '';
341: if ($target eq 'web') {
342: $currentstring = $token->[4];
343: } elsif ($target eq 'tex') {
1.166 sakharuk 344: $currentstring .= '\keephidden{Title of the document: '
1.122 albertel 345: }
346: if ($target eq 'meta') {
347: $currentstring='<title>';
1.185 albertel 348: &start_output($target);
1.122 albertel 349: }
350: return $currentstring;
351: }
352:
353: sub end_title {
354: my ($target,$token) = @_;
355: my $currentstring = '';
356: if ($target eq 'web') {
357: $currentstring = $token->[2];
358: } elsif ($target eq 'tex') {
359: $currentstring .= '}';
360: }
361: if ($target eq 'meta') {
1.185 albertel 362: &end_output($target);
1.122 albertel 363: $currentstring='</title>';
364: }
365: return $currentstring;
366: }
367:
1.181 sakharuk 368: #-- <meta> tag (end tag forbidden)
1.122 albertel 369: sub start_meta {
370: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
371: my $currentstring = '';
372: if ($target eq 'web') {
373: my $args='';
374: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
375: if ($args eq '') {
376: &Apache::lonxml::get_all_text("/meta",$parser);
377: } else {
378: $currentstring = $token->[4];
1.1 sakharuk 379: }
1.135 sakharuk 380: } elsif ($target eq 'meta') {
1.122 albertel 381: unless (&Apache::lonxml::get_param
382: ('http-equiv',$parstack,$safeeval,undef,1)) {
383: my $name=$token->[2]->{'name'};
384: $name=~tr/A-Z/a-z/;
385: $name=~s/\s/\_/gs;
386: $name=~s/\W//gs;
387: if ($name) {
1.154 www 388: $currentstring='<'.$name;
389: my $display=&Apache::lonxml::get_param
390: ('display',$parstack,$safeeval,undef,1);
391: if ($display) {
392: $display=~s/\"/\'/g;
393: $currentstring.=' display="'.$display.'"';
394: }
395: $currentstring.='>'.
1.122 albertel 396: &Apache::lonxml::get_param
397: ('content',$parstack,$safeeval,undef,1).
1.135 sakharuk 398: '</'.$name.'>';
1.1 sakharuk 399: }
1.154 www 400: my $display=&Apache::lonxml::get_param
401: ('display',$parstack,$safeeval,undef,1);
402: if ($display) {
1.204 albertel 403: $display=&HTML::Entities::encode($display,'<>&"');
1.154 www 404: $currentstring.='<'.$name.'.display>'.$display.
405: '</'.$name.'.display>';
406: }
1.1 sakharuk 407: }
1.135 sakharuk 408: } elsif ($target eq 'tex') {
1.151 sakharuk 409: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
410: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
411: if ((not defined $content) && (not defined $name)) {
412: &Apache::lonxml::startredirection();
413: }
1.122 albertel 414: }
415: return $currentstring;
416: }
417:
418: sub end_meta {
1.165 albertel 419: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 420: my $currentstring = '';
421: if ($target eq 'web') {
422: my $args='';
423: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
424: if ($args ne '') {
1.121 www 425: $currentstring = $token->[4];
1.122 albertel 426: }
1.135 sakharuk 427: } elsif ($target eq 'tex') {
1.165 albertel 428: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
429: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
1.164 albertel 430: if ((not defined $content) && (not defined $name)) {
1.169 albertel 431: &Apache::lonxml::endredirection();
1.164 albertel 432: }
1.135 sakharuk 433: }
1.122 albertel 434: return $currentstring;
435: }
436:
1.121 www 437: # accessrule
1.122 albertel 438: sub start_accessrule {
439: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
440: my $currentstring = '';
441: my $eff=&Apache::lonxml::get_param
442: ('effect',$parstack,$safeeval,undef,1);
443: my $realm=&Apache::lonxml::get_param
444: ('realm',$parstack,$safeeval,undef,1);
1.123 www 445: my $role=&Apache::lonxml::get_param
446: ('role',$parstack,$safeeval,undef,1);
447: $realm=~s/\s+//g;
448: $realm=~s/\//\_/g;
449: $realm=~s/^\_//;
450: $realm=~s/\W/\;/g;
451: $role=~s/\s+//g;
452: $role=~s/\//\_/g;
453: $role=~s/\W/\;/g;
1.122 albertel 454: if ($target eq 'web') {
455: my $args='';
456: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
457: if ($args eq '') {
458: &Apache::lonxml::get_all_text("/accessrule",$parser);
459: } else {
460: $currentstring = $token->[4];
461: }
462: }
463: if ($target eq 'meta') {
1.123 www 464: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';
1.122 albertel 465: }
466: return $currentstring;
467: }
468:
469: sub end_accessrule {
470: my ($target,$token,$tagstack,$parstack,$parser) = @_;
471: my $currentstring = '';
472: if ($target eq 'web') {
473: my $args='';
474: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
475: if ($args ne '') {
476: $currentstring = $token->[4];
477: }
478: }
479: return $currentstring;
480: }
481:
1.181 sakharuk 482: #-- <body> tag (end tag required)
1.122 albertel 483: sub start_body {
484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
485: my $currentstring = '';
1.244 albertel 486:
1.122 albertel 487: if ($target eq 'web') {
1.170 albertel 488: if ($Apache::lonhomework::parsing_a_problem) {
489: &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
490: return '';
491: }
1.180 albertel 492: if (!$Apache::lonxml::registered &&
1.267 albertel 493: $env{'request.state'} eq 'published') {
1.122 albertel 494: $currentstring.='<head>'.
495: &Apache::lonmenu::registerurl(undef,$target).'</head>';
496: }
1.155 www 497: # Accessibility
1.267 albertel 498: if ($env{'browser.imagesuppress'} eq 'on') {
1.155 www 499: delete($token->[2]->{'background'});
500: }
1.267 albertel 501: if ($env{'browser.fontenhance'} eq 'on') {
1.155 www 502: my $style='';
503: foreach my $key (keys(%{$token->[2]})) {
504: if ($key =~ /^style$/i) {
505: $style.=$token->[2]->{$key}.';';
506: delete($token->[2]->{$key});
507: }
508: }
509: $token->[2]->{'style'}=$style.'; font-size: x-large;';
510: }
1.267 albertel 511: if ($env{'browser.blackwhite'} eq 'on') {
1.155 www 512: delete($token->[2]->{'font'});
513: delete($token->[2]->{'link'});
514: delete($token->[2]->{'alink'});
515: delete($token->[2]->{'vlink'});
516: delete($token->[2]->{'bgcolor'});
517: delete($token->[2]->{'background'});
518: }
519: # Overload loads
1.122 albertel 520: my $onLoad='';
521: foreach my $key (keys(%{$token->[2]})) {
522: if ($key =~ /^onload$/i) {
523: $onLoad.=$token->[2]->{$key}.';';
524: delete($token->[2]->{$key});
1.121 www 525: }
1.122 albertel 526: }
527: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
528: my $onUnload='';
529: foreach my $key (keys(%{$token->[2]})) {
530: if ($key =~ /^onunload$/i) {
531: $onUnload.=$token->[2]->{$key}.';';
532: delete($token->[2]->{$key});
1.121 www 533: }
534: }
1.122 albertel 535: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
536: ';'.$onUnload;
537:
1.278 www 538: $currentstring .= '<'.$token->[1];
1.122 albertel 539: foreach (keys %{$token->[2]}) {
540: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
541: }
1.278 www 542: $currentstring.='>';
1.284 ! albertel 543: &Apache::lontexconvert::jsMath_reset();
! 544: if ($env{'environment.texengine'} eq 'jsMath') {
! 545: $currentstring.=&Apache::lontexconvert::jsMath_header();
! 546: }
1.267 albertel 547: if ($env{'request.state'} ne 'published') {
1.278 www 548: if ($env{'environment.remote'} eq 'off') {
549: $currentstring.=
550: &Apache::lonmenu::constspaceform().
551: &Apache::lonmenu::menubuttons(1,'web',1);
552: }
1.122 albertel 553: $currentstring.=(<<EDITBUTTON);
1.278 www 554: <form method="post">
555: <input type="submit" name="editmode" accesskey="e" value="Edit" />
556: </form>
1.40 albertel 557: EDITBUTTON
1.122 albertel 558: } else {
559: $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
1.1 sakharuk 560: }
1.201 albertel 561: $currentstring.=&Apache::lonxml::message_location();
1.122 albertel 562: } elsif ($target eq 'tex') {
563: $currentstring = '\begin{document}';
564: }
565: return $currentstring;
566: }
567:
568: sub end_body {
1.259 albertel 569: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 570: my $currentstring = &end_p(); # Close off unclosed <p>
1.122 albertel 571: if ($target eq 'web') {
1.277 foxr 572: $currentstring .= &Apache::lonxml::xmlend($target,$parser);
1.122 albertel 573: } elsif ($target eq 'tex') {
1.277 foxr 574: $currentstring .= '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
1.122 albertel 575: }
576: return $currentstring;
577: }
578:
1.181 sakharuk 579: #-- <center> tag (end tag required)
1.122 albertel 580: sub start_center {
581: my ($target,$token) = @_;
1.279 foxr 582: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 583: if ($target eq 'web') {
1.277 foxr 584: $currentstring .= $token->[4];
1.122 albertel 585: } elsif ($target eq 'tex') {
1.277 foxr 586: $currentstring .= '\begin{center}';
1.144 sakharuk 587: }
1.122 albertel 588: return $currentstring;
589: }
590:
591: sub end_center {
592: my ($target,$token) = @_;
593: my $currentstring = '';
594: if ($target eq 'web') {
595: $currentstring = $token->[2];
596: } elsif ($target eq 'tex') {
597: $currentstring = '\end{center}';
1.144 sakharuk 598: }
1.122 albertel 599: return $currentstring;
600: }
601:
1.181 sakharuk 602: #-- <b> tag (end tag required)
1.279 foxr 603: # NOTE: In TeX mode disables internal <p>
1.122 albertel 604: sub start_b {
605: my ($target,$token) = @_;
606: my $currentstring = '';
607: if ($target eq 'web') {
608: $currentstring = $token->[4];
609: } elsif ($target eq 'tex') {
1.279 foxr 610: &disable_para();
611: $currentstring .= '\textbf{';
1.122 albertel 612: }
613: return $currentstring;
614: }
615:
616: sub end_b {
617: my ($target,$token) = @_;
618: my $currentstring = '';
619: if ($target eq 'web') {
620: $currentstring = $token->[2];
621: } elsif ($target eq 'tex') {
1.279 foxr 622: &enable_para();
623: $currentstring = '}';
1.122 albertel 624: }
625: return $currentstring;
626: }
1.35 sakharuk 627:
1.181 sakharuk 628: #-- <strong> tag (end tag required)
1.279 foxr 629: # NOTE: in TeX mode disables internal <p>
1.122 albertel 630: sub start_strong {
631: my ($target,$token) = @_;
632: my $currentstring = '';
633: if ($target eq 'web') {
634: $currentstring = $token->[4];
635: } elsif ($target eq 'tex') {
1.279 foxr 636: &disable_para();
1.122 albertel 637: $currentstring = '\textbf{';
638: }
639: return $currentstring;
640: }
641:
642: sub end_strong {
643: my ($target,$token) = @_;
644: my $currentstring = '';
1.182 sakharuk 645: if ($target eq 'web') {
1.122 albertel 646: $currentstring = $token->[2];
647: } elsif ($target eq 'tex') {
1.279 foxr 648: &enable_para();
1.122 albertel 649: $currentstring = '}';
1.144 sakharuk 650: }
1.122 albertel 651: return $currentstring;
652: }
653:
1.181 sakharuk 654: #-- <h1> tag (end tag required)
1.122 albertel 655: sub start_h1 {
1.125 sakharuk 656: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 657: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 658: if ($target eq 'web') {
659: $currentstring .= $token->[4];
660: } elsif ($target eq 'tex') {
1.125 sakharuk 661: my $pre;
1.199 albertel 662: my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
1.212 sakharuk 663: if ($align eq 'center') {
1.125 sakharuk 664: $pre='\begin{center}';
665: } elsif ($align eq 'left') {
666: $pre='\rlap{';
667: } elsif ($align eq 'right') {
668: $pre=' \hfill \llap{';
669: }
670: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
671: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 672: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 673: } elsif ($target eq 'meta') {
1.277 foxr 674: $currentstring.='<subject>';
1.185 albertel 675: &start_output($target);
1.122 albertel 676: }
677: return $currentstring;
678: }
679:
680: sub end_h1 {
1.125 sakharuk 681: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 682: my $currentstring = '';
683: if ($target eq 'web') {
684: $currentstring .= $token->[2];
685: } elsif ($target eq 'tex') {
1.212 sakharuk 686: my $post='\vskip 0 mm ';
1.125 sakharuk 687: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 688: if ($align eq 'center') {
1.125 sakharuk 689: $post='\end{center}';
690: } elsif ($align eq 'left') {
691: $post='} \hfill'.'\vskip 0 mm ';
692: } elsif ($align eq 'right') {
693: $post='}'.'\vskip 0 mm ';
694: }
695: $currentstring .= '}}'.$post;
1.122 albertel 696: } elsif ($target eq 'meta') {
1.185 albertel 697: &end_output($target);
1.122 albertel 698: $currentstring='</subject>';
699: }
700: return $currentstring;
701: }
702:
1.35 sakharuk 703: #-- <h2> tag
1.122 albertel 704: sub start_h2 {
1.125 sakharuk 705: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 706: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 707: if ($target eq 'web') {
708: $currentstring .= $token->[4];
709: } elsif ($target eq 'tex') {
1.125 sakharuk 710: my $pre;
711: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 712: if ($align eq 'center') {
1.125 sakharuk 713: $pre='\begin{center}';
714: } elsif ($align eq 'left') {
715: $pre='\rlap{';
716: } elsif ($align eq 'right') {
717: $pre=' \hfill \llap{';
718: }
719: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
720: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 721: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 722: }
723: return $currentstring;
724: }
725:
726: sub end_h2 {
1.125 sakharuk 727: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 728: my $currentstring = '';
729: if ($target eq 'web') {
730: $currentstring .= $token->[2];
731: } elsif ($target eq 'tex') {
1.212 sakharuk 732: my $post='\vskip 0 mm ';
1.125 sakharuk 733: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 734: if ($align eq 'center') {
1.125 sakharuk 735: $post='\end{center}';
736: } elsif ($align eq 'left') {
737: $post='} \hfill'.'\vskip 0 mm ';
738: } elsif ($align eq 'right') {
739: $post='}'.'\vskip 0 mm ';
740: }
741: $currentstring .= '}}'.$post;
1.122 albertel 742: }
743: return $currentstring;
744: }
745:
1.35 sakharuk 746: #-- <h3> tag
1.122 albertel 747: sub start_h3 {
1.125 sakharuk 748: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 749: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 750: if ($target eq 'web') {
751: $currentstring .= $token->[4];
752: } elsif ($target eq 'tex') {
1.125 sakharuk 753: my $pre;
754: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 755: if ($align eq 'center') {
1.125 sakharuk 756: $pre='\begin{center}';
757: } elsif ($align eq 'left') {
758: $pre='\rlap{';
759: } elsif ($align eq 'right') {
760: $pre=' \hfill \llap{';
761: }
762: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
763: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 764: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 765: }
766: return $currentstring;
767: }
768:
769: sub end_h3 {
1.125 sakharuk 770: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 771: my $currentstring = '';
772: if ($target eq 'web') {
773: $currentstring .= $token->[2];
774: } elsif ($target eq 'tex') {
1.212 sakharuk 775: my $post='\vskip 0 mm ';
1.125 sakharuk 776: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 777: if ($align eq 'center') {
1.125 sakharuk 778: $post='\end{center}';
779: } elsif ($align eq 'left') {
780: $post='} \hfill'.'\vskip 0 mm ';
781: } elsif ($align eq 'right') {
782: $post='}'.'\vskip 0 mm ';
783: }
784: $currentstring .= '}}'.$post;
1.122 albertel 785: }
786: return $currentstring;
787: }
788:
1.35 sakharuk 789: #-- <h4> tag
1.122 albertel 790: sub start_h4 {
1.125 sakharuk 791: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 792: my $currentstring = &end_p(); # Close off any prior para.
1.122 albertel 793: if ($target eq 'web') {
794: $currentstring .= $token->[4];
795: } elsif ($target eq 'tex') {
1.125 sakharuk 796: my $pre;
797: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 798: if ($align eq 'center') {
1.125 sakharuk 799: $pre='\begin{center}';
800: } elsif ($align eq 'left') {
801: $pre='\rlap{';
802: } elsif ($align eq 'right') {
803: $pre=' \hfill \llap{';
804: }
805: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
806: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 807: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 808: }
809: return $currentstring;
810: }
811:
812: sub end_h4 {
1.125 sakharuk 813: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 814: my $currentstring = '';
815: if ($target eq 'web') {
816: $currentstring .= $token->[2];
817: } elsif ($target eq 'tex') {
1.212 sakharuk 818: my $post='\vskip 0 mm ';
1.125 sakharuk 819: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 820: if ($align eq 'center') {
1.125 sakharuk 821: $post='\end{center}';
822: } elsif ($align eq 'left') {
823: $post='} \hfill'.'\vskip 0 mm ';
824: } elsif ($align eq 'right') {
825: $post='}'.'\vskip 0 mm ';
826: }
827: $currentstring .= '}}'.$post;
1.122 albertel 828: }
829: return $currentstring;
830: }
831:
1.35 sakharuk 832: #-- <h5> tag
1.122 albertel 833: sub start_h5 {
1.125 sakharuk 834: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 835: my $currentstring = &end_p(); # Close off any prior paras.
1.122 albertel 836: if ($target eq 'web') {
837: $currentstring .= $token->[4];
838: } elsif ($target eq 'tex') {
1.125 sakharuk 839: my $pre;
840: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 841: if ($align eq 'center') {
1.125 sakharuk 842: $pre='\begin{center}';
843: } elsif ($align eq 'left') {
844: $pre='\rlap{';
845: } elsif ($align eq 'right') {
846: $pre=' \hfill \llap{';
847: }
848: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
849: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 850: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 851: }
852: return $currentstring;
853: }
854:
855: sub end_h5 {
1.125 sakharuk 856: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 857: my $currentstring = '';
858: if ($target eq 'web') {
859: $currentstring .= $token->[2];
860: } elsif ($target eq 'tex') {
1.212 sakharuk 861: my $post='\vskip 0 mm ';
1.125 sakharuk 862: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 863: if ($align eq 'center') {
1.125 sakharuk 864: $post='\end{center}';
865: } elsif ($align eq 'left') {
866: $post='} \hfill'.'\vskip 0 mm ';
867: } elsif ($align eq 'right') {
868: $post='}'.'\vskip 0 mm ';
869: }
870: $currentstring .= '}}'.$post;
1.122 albertel 871: }
872: return $currentstring;
873: }
874:
1.35 sakharuk 875: #-- <h6> tag
1.122 albertel 876: sub start_h6 {
1.125 sakharuk 877: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 878: my $currentstring = &end_p(); # Close off any prior paras.
1.122 albertel 879: if ($target eq 'web') {
880: $currentstring .= $token->[4];
881: } elsif ($target eq 'tex') {
1.125 sakharuk 882: my $pre;
883: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 884: if ($align eq 'center') {
1.125 sakharuk 885: $pre='\begin{center}';
886: } elsif ($align eq 'left') {
887: $pre='\rlap{';
888: } elsif ($align eq 'right') {
889: $pre=' \hfill \llap{';
890: }
891: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
892: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 893: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 894: }
895: return $currentstring;
896: }
897:
898: sub end_h6 {
1.125 sakharuk 899: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 900: my $currentstring = '';
901: if ($target eq 'web') {
902: $currentstring .= $token->[2];
903: } elsif ($target eq 'tex') {
1.212 sakharuk 904: my $post='\vskip 0 mm ';
1.125 sakharuk 905: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 906: if ($align eq 'center') {
1.125 sakharuk 907: $post='\end{center}';
908: } elsif ($align eq 'left') {
909: $post='} \hfill'.'\vskip 0 mm ';
910: } elsif ($align eq 'right') {
911: $post='}'.'\vskip 0 mm ';
912: }
913: $currentstring .= '}}'.$post;
1.122 albertel 914: }
915: return $currentstring;
916: }
917:
1.181 sakharuk 918: #--- <cite> tag (end tag required)
1.122 albertel 919: sub start_cite {
920: my ($target,$token) = @_;
921: my $currentstring = '';
922: if ($target eq 'web') {
923: $currentstring .= $token->[4];
924: } elsif ($target eq 'tex') {
1.179 sakharuk 925: $currentstring .= '\textit{';
1.144 sakharuk 926: }
1.122 albertel 927: return $currentstring;
928: }
929:
930: sub end_cite {
931: my ($target,$token) = @_;
932: my $currentstring = '';
933: if ($target eq 'web') {
934: $currentstring .= $token->[2];
935: } elsif ($target eq 'tex') {
1.179 sakharuk 936: $currentstring .= '}';
1.144 sakharuk 937: }
1.122 albertel 938: return $currentstring;
939: }
940:
1.181 sakharuk 941: #-- <i> tag (end tag required)
1.122 albertel 942: sub start_i {
943: my ($target,$token) = @_;
944: my $currentstring = '';
945: if ($target eq 'web') {
946: $currentstring .= $token->[4];
947: } elsif ($target eq 'tex') {
948: $currentstring .= '\textit{';
1.144 sakharuk 949: }
1.122 albertel 950: return $currentstring;
951: }
952:
953: sub end_i {
954: my ($target,$token) = @_;
955: my $currentstring = '';
956: if ($target eq 'web') {
957: $currentstring .= $token->[2];
958: } elsif ($target eq 'tex') {
959: $currentstring .= '}';
960: }
961: return $currentstring;
962: }
963:
1.181 sakharuk 964: #-- <address> tag (end tag required)
1.122 albertel 965: sub start_address {
966: my ($target,$token) = @_;
967: my $currentstring = '';
968: if ($target eq 'web') {
969: $currentstring .= $token->[4];
970: } elsif ($target eq 'tex') {
1.179 sakharuk 971: $currentstring .= '\textit{';
1.144 sakharuk 972: }
1.122 albertel 973: return $currentstring;
974: }
975:
976: sub end_address {
977: my ($target,$token) = @_;
978: my $currentstring = '';
979: if ($target eq 'web') {
980: $currentstring .= $token->[2];
981: } elsif ($target eq 'tex') {
1.179 sakharuk 982: $currentstring .= '}';
1.122 albertel 983: }
984: return $currentstring;
985: }
986:
1.181 sakharuk 987: #-- <dfn> tag (end tag required)
1.122 albertel 988: sub start_dfn {
989: my ($target,$token) = @_;
990: my $currentstring = '';
991: if ($target eq 'web') {
992: $currentstring .= $token->[4];
993: } elsif ($target eq 'tex') {
1.179 sakharuk 994: $currentstring .= '\textit{';
1.122 albertel 995: }
996: return $currentstring;
997: }
998:
999: sub end_dfn {
1000: my ($target,$token) = @_;
1001: my $currentstring = '';
1002: if ($target eq 'web') {
1003: $currentstring .= $token->[2];
1004: } elsif ($target eq 'tex') {
1.179 sakharuk 1005: $currentstring .= '}';
1.144 sakharuk 1006: }
1.122 albertel 1007: return $currentstring;
1008: }
1009:
1.181 sakharuk 1010: #-- <tt> tag (end tag required)
1.122 albertel 1011: sub start_tt {
1012: my ($target,$token) = @_;
1013: my $currentstring = '';
1014: if ($target eq 'web') {
1015: $currentstring .= $token->[4];
1016: } elsif ($target eq 'tex') {
1017: $currentstring .= '\texttt{';
1.144 sakharuk 1018: }
1.122 albertel 1019: return $currentstring;
1020: }
1021:
1022: sub end_tt {
1023: my ($target,$token) = @_;
1024: my $currentstring = '';
1025: if ($target eq 'web') {
1026: $currentstring .= $token->[2];
1027: } elsif ($target eq 'tex') {
1028: $currentstring .= '}';
1029: }
1030: return $currentstring;
1031: }
1032:
1.181 sakharuk 1033: #-- <kbd> tag (end tag required)
1.122 albertel 1034: sub start_kbd {
1035: my ($target,$token) = @_;
1036: my $currentstring = '';
1037: if ($target eq 'web') {
1038: $currentstring .= $token->[4];
1039: } elsif ($target eq 'tex') {
1.179 sakharuk 1040: $currentstring .= '\texttt{';
1.144 sakharuk 1041: }
1.122 albertel 1042: return $currentstring;
1043: }
1044:
1045: sub end_kbd {
1046: my ($target,$token) = @_;
1047: my $currentstring = '';
1048: if ($target eq 'web') {
1049: $currentstring .= $token->[2];
1050: } elsif ($target eq 'tex') {
1.179 sakharuk 1051: $currentstring .= '}';
1.144 sakharuk 1052: }
1.122 albertel 1053: return $currentstring;
1054: }
1055:
1.181 sakharuk 1056: #-- <code> tag (end tag required)
1.122 albertel 1057: sub start_code {
1058: my ($target,$token) = @_;
1059: my $currentstring = '';
1060: if ($target eq 'web') {
1061: $currentstring .= $token->[4];
1062: } elsif ($target eq 'tex') {
1063: $currentstring .= '\texttt{';
1064: }
1065: return $currentstring;
1066: }
1067:
1068: sub end_code {
1069: my ($target,$token) = @_;
1070: my $currentstring = '';
1071: if ($target eq 'web') {
1072: $currentstring .= $token->[2];
1073: } elsif ($target eq 'tex') {
1074: $currentstring .= '}';
1075: }
1076: return $currentstring;
1077: }
1078:
1.181 sakharuk 1079: #-- <em> tag (end tag required)
1.122 albertel 1080: sub start_em {
1081: my ($target,$token) = @_;
1082: my $currentstring = '';
1083: if ($target eq 'web') {
1084: $currentstring .= $token->[4];
1085: } elsif ($target eq 'tex') {
1086: $currentstring .= '\emph{';
1.144 sakharuk 1087: }
1.122 albertel 1088: return $currentstring;
1089: }
1090:
1091: sub end_em {
1092: my ($target,$token) = @_;
1093: my $currentstring = '';
1094: if ($target eq 'web') {
1095: $currentstring .= $token->[2];
1096: } elsif ($target eq 'tex') {
1097: $currentstring .= '}';
1.144 sakharuk 1098: }
1.122 albertel 1099: return $currentstring;
1100: }
1101:
1.181 sakharuk 1102: #-- <q> tag (end tag required)
1.122 albertel 1103: sub start_q {
1104: my ($target,$token) = @_;
1105: my $currentstring = '';
1106: if ($target eq 'web') {
1107: $currentstring .= $token->[4];
1108: } elsif ($target eq 'tex') {
1.179 sakharuk 1109: $currentstring .= '\emph{';
1.122 albertel 1110: }
1111: return $currentstring;
1112: }
1113:
1114: sub end_q {
1115: my ($target,$token) = @_;
1116: my $currentstring = '';
1117: if ($target eq 'web') {
1118: $currentstring .= $token->[2];
1119: } elsif ($target eq 'tex') {
1.179 sakharuk 1120: $currentstring .= '}';
1.144 sakharuk 1121: }
1.122 albertel 1122: return $currentstring;
1123: }
1124:
1.277 foxr 1125: # <p> is a bit strange since it does not require a closing </p>
1126: # However in latex, we must often output closing stuff to end
1127: # environments and {}'s etc. Therefore we do all the work
1128: # of figuring out the ending strings in the start tag processing,
1129: # and provide a mechanism to output the stop text external
1130: # to tag processing.
1131: #
1132: {
1133:
1134: my $closing_string = ''; # String required to close <p>
1135:
1.279 foxr 1136: # Some tags are <p> fragile meaning that <p> inside of them
1137: # does not work within TeX mode. This is managed via the
1138: # counter below:
1139: #
1140:
1141: my $para_disabled = 0;
1142:
1143: sub disable_para {
1144: $para_disabled++;
1145: }
1146: sub enable_para {
1147: $para_disabled--;
1148: }
1149:
1150:
1.181 sakharuk 1151: #-- <p> tag (end tag optional)
1.198 sakharuk 1152: #optional attribute - align="center|left|right"
1.122 albertel 1153: sub start_p {
1.157 sakharuk 1154: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1155: my $currentstring = '';
1.122 albertel 1156: if ($target eq 'web') {
1.279 foxr 1157: $currentstring .= &end_p(); # close off prior para if in progress.
1.122 albertel 1158: $currentstring .= $token->[4];
1.279 foxr 1159: if (! ($currentstring =~ /\//)) {
1160: $closing_string = '</p>'; # Deal correctly with <p /> e.g.
1161: }
1162: } elsif ($target eq 'tex' && !$para_disabled) {
1163: $currentstring .= &end_p(); # close off prior para if in progress.
1.198 sakharuk 1164: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1165: if ($align eq 'center') {
1.277 foxr 1166: $currentstring .='\begin{center}\par';
1167: $closing_string = '\end{center}';
1.198 sakharuk 1168: } elsif ($align eq 'right') {
1.277 foxr 1169: $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
1170: $closing_string= '}}';
1.198 sakharuk 1171: } elsif ($align eq 'left') {
1.277 foxr 1172: $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{\rlap{';
1173: $closing_string = '}\hfill}';
1.216 matthew 1174: } else {
1.277 foxr 1175: $currentstring.='\par ';
1.279 foxr 1176: $closing_string = '\strut\\\\\strut ';
1.216 matthew 1177: }
1.277 foxr 1178:
1.144 sakharuk 1179: }
1.122 albertel 1180: return $currentstring;
1181: }
1.277 foxr 1182: #
1183: # End paragraph processing just requires that we output the
1184: # closing string that was saved and blank it.
1185: sub end_p {
1.279 foxr 1186: # Note only 'tex' mode uses disable_para and enable_para
1187: # so we don't need to know the target in the check below:
1188:
1189: if (!$para_disabled) {
1190: my $current_string = $closing_string;
1191: $closing_string = ''; # Not in a para anymore.
1192: return $current_string;
1193: } else {
1194: return '';
1195: }
1.122 albertel 1196:
1197: }
1.277 foxr 1198: }
1.181 sakharuk 1199: #-- <br> tag (end tag forbidden)
1.122 albertel 1200: sub start_br {
1201: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1202: my $currentstring = '';
1203: if ($target eq 'web') {
1204: $currentstring .= $token->[4];
1205: } elsif ($target eq 'tex') {
1.227 sakharuk 1206: my @tempo=@$tagstack;
1.229 sakharuk 1207: my $signal=0;
1.227 sakharuk 1208: for (my $i=$#tempo;$i>=0;$i--) {
1209: if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') ||
1.230 sakharuk 1210: ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul') ||
1211: ($tempo[$i] eq 'td') || ($tempo[$i] eq 'th')) {
1.229 sakharuk 1212: $signal=1;
1.227 sakharuk 1213: last;
1214: }
1215: }
1.229 sakharuk 1216: if ($signal) {
1.219 sakharuk 1217: $currentstring .= ' \vskip 0 mm ';
1218: } elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
1219: $currentstring .= '\strut \\\\ \strut ';
1.1 sakharuk 1220: }
1.144 sakharuk 1221: }
1.122 albertel 1222: return $currentstring;
1223: }
1224:
1225: sub end_br {
1226: my ($target,$token) = @_;
1227: my $currentstring = '';
1228: if ($target eq 'web') {
1229: $currentstring .= $token->[2];
1230: }
1231: return $currentstring;
1232: }
1233:
1.181 sakharuk 1234: #-- <big> tag (end tag required)
1.122 albertel 1235: sub start_big {
1236: my ($target,$token) = @_;
1237: my $currentstring = '';
1238: if ($target eq 'web') {
1239: $currentstring .= $token->[4];
1240: } elsif ($target eq 'tex') {
1.137 sakharuk 1241: $currentstring .= '{\large ';
1.144 sakharuk 1242: }
1.122 albertel 1243: return $currentstring;
1244: }
1245:
1246: sub end_big {
1247: my ($target,$token) = @_;
1248: my $currentstring = '';
1249: if ($target eq 'web') {
1250: $currentstring .= $token->[2];
1251: } elsif ($target eq 'tex') {
1252: $currentstring .= '}';
1253: }
1254: return $currentstring;
1255: }
1256:
1.181 sakharuk 1257: #-- <small> tag (end tag required)
1.122 albertel 1258: sub start_small {
1259: my ($target,$token) = @_;
1260: my $currentstring = '';
1261: if ($target eq 'web') {
1262: $currentstring .= $token->[4];
1263: } elsif ($target eq 'tex') {
1264: $currentstring .= '{\footnotesize ';
1.144 sakharuk 1265: }
1.122 albertel 1266: return $currentstring;
1267: }
1268:
1269: sub end_small {
1270: my ($target,$token) = @_;
1271: my $currentstring = '';
1272: if ($target eq 'web') {
1273: $currentstring .= $token->[2];
1274: } elsif ($target eq 'tex') {
1275: $currentstring .= '}';
1276: }
1277: return $currentstring;
1278: }
1279:
1.181 sakharuk 1280: #-- <basefont> tag (end tag forbidden)
1.122 albertel 1281: sub start_basefont {
1.126 sakharuk 1282: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.122 albertel 1283: my $currentstring = '';
1284: if ($target eq 'web') {
1285: $currentstring = $token->[4];
1.126 sakharuk 1286: } elsif ($target eq 'tex') {
1287: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1288: if (defined $basesize) {
1289: $currentstring = '{\\'.$basesize.' ';
1290: }
1291: }
1.122 albertel 1292: return $currentstring;
1293: }
1294:
1295: sub end_basefont {
1.126 sakharuk 1296: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1297: my $currentstring = '';
1298: if ($target eq 'web') {
1299: $currentstring = $token->[4];
1.126 sakharuk 1300: } elsif ($target eq 'tex') {
1301: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1302: if (defined $basesize) {
1303: $currentstring = '}';
1304: }
1305: }
1.122 albertel 1306: return $currentstring;
1307: }
1308:
1.181 sakharuk 1309: #-- <font> tag (end tag required)
1.122 albertel 1310: sub start_font {
1311: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1312: my $currentstring = '';
1313: if ($target eq 'web') {
1314: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1.204 albertel 1315: if ($face!~/symbol/i) {
1.267 albertel 1316: if (($env{'browser.fontenhance'} eq 'on') ||
1317: ($env{'browser.blackwhite'} eq 'on')) { return ''; }
1.155 www 1318: }
1.122 albertel 1319: $currentstring = $token->[4];
1.126 sakharuk 1320: } elsif ($target eq 'tex') {
1321: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1322: if (defined $fontsize) {
1323: $currentstring = '{\\'.$fontsize.' ';
1324: }
1325: }
1.122 albertel 1326: return $currentstring;
1327: }
1328:
1329: sub end_font {
1330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1331: my $currentstring = '';
1332: if ($target eq 'web') {
1333: $currentstring = $token->[2];
1.126 sakharuk 1334: } elsif ($target eq 'tex') {
1335: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1336: if (defined $fontsize) {
1337: $currentstring = '}';
1338: }
1339: }
1.122 albertel 1340: return $currentstring;
1341: }
1342:
1.181 sakharuk 1343: #-- <strike> tag (end tag required)
1.122 albertel 1344: sub start_strike {
1345: my ($target,$token) = @_;
1346: my $currentstring = '';
1347: if ($target eq 'web') {
1348: $currentstring .= $token->[4];
1349: } elsif ($target eq 'tex') {
1350: &Apache::lonxml::startredirection();
1351: }
1352: return $currentstring;
1353: }
1354:
1355: sub end_strike {
1356: my ($target,$token) = @_;
1357: my $currentstring = '';
1358: if ($target eq 'web') {
1359: $currentstring .= $token->[2];
1360: } elsif ($target eq 'tex') {
1361: $currentstring=&Apache::lonxml::endredirection();
1362: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1363: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1364: $currentstring=~s/(\S)\s*$/$1\}/;
1365: }
1366: return $currentstring;
1367: }
1368:
1.181 sakharuk 1369: #-- <s> tag (end tag required)
1.122 albertel 1370: sub start_s {
1371: my ($target,$token) = @_;
1372: my $currentstring = '';
1373: if ($target eq 'web') {
1374: $currentstring .= $token->[4];
1375: } elsif ($target eq 'tex') {
1376: &Apache::lonxml::startredirection();
1377: }
1378: return $currentstring;
1379: }
1380:
1381: sub end_s {
1382: my ($target,$token) = @_;
1383: my $currentstring = '';
1384: if ($target eq 'web') {
1385: $currentstring .= $token->[2];
1386: } elsif ($target eq 'tex') {
1387: $currentstring=&Apache::lonxml::endredirection();
1388: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1389: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1390: $currentstring=~s/(\S)\s*$/$1\}/;
1391: }
1392: return $currentstring;
1393: }
1394:
1.181 sakharuk 1395: #-- <sub> tag (end tag required)
1.122 albertel 1396: sub start_sub {
1397: my ($target,$token) = @_;
1398: my $currentstring = '';
1399: if ($target eq 'web') {
1400: $currentstring .= $token->[4];
1401: } elsif ($target eq 'tex') {
1.202 sakharuk 1402: $currentstring .= '\ensuremath{_{';
1.122 albertel 1403: }
1404: return $currentstring;
1405: }
1406:
1407: sub end_sub {
1408: my ($target,$token) = @_;
1409: my $currentstring = '';
1410: if ($target eq 'web') {
1411: $currentstring .= $token->[2];
1412: } elsif ($target eq 'tex') {
1.202 sakharuk 1413: $currentstring .= '}}';
1.122 albertel 1414: }
1415: return $currentstring;
1416: }
1417:
1.181 sakharuk 1418: #-- <sup> tag (end tag required)
1.122 albertel 1419: sub start_sup {
1420: my ($target,$token) = @_;
1421: my $currentstring = '';
1422: if ($target eq 'web') {
1423: $currentstring .= $token->[4];
1424: } elsif ($target eq 'tex') {
1.202 sakharuk 1425: $currentstring .= '\ensuremath{^{';
1.122 albertel 1426: }
1427: return $currentstring;
1428: }
1429:
1430: sub end_sup {
1431: my ($target,$token) = @_;
1432: my $currentstring = '';
1433: if ($target eq 'web') {
1434: $currentstring .= $token->[2];
1435: } elsif ($target eq 'tex') {
1.202 sakharuk 1436: $currentstring .= '}}';
1.122 albertel 1437: }
1438: return $currentstring;
1439: }
1440:
1.181 sakharuk 1441: #-- <hr> tag (end tag forbidden)
1.122 albertel 1442: sub start_hr {
1.124 sakharuk 1443: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1444: my $currentstring = &end_p(); # End enclosing para.
1.122 albertel 1445: if ($target eq 'web') {
1446: $currentstring .= $token->[4];
1447: } elsif ($target eq 'tex') {
1.149 sakharuk 1448: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.124 sakharuk 1449: if (defined $LaTeXwidth) {
1450: if ($LaTeXwidth=~/^%/) {
1451: substr($LaTeXwidth,0,1)='';
1452: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1453: }
1454: } else {
1.148 sakharuk 1455: $LaTeXwidth ='0.9\textwidth';
1.124 sakharuk 1456: }
1457: my ($pre,$post);
1458: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1459: if (($align eq 'center') || (not defined $align)) {
1460: $pre=''; $post='';
1461: } elsif ($align eq 'left') {
1462: $pre='\rlap{'; $post='} \hfill';
1463: } elsif ($align eq 'right') {
1464: $pre=' \hfill \llap{'; $post='}';
1465: }
1.148 sakharuk 1466: $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
1.124 sakharuk 1467: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1.122 albertel 1468: }
1469: return $currentstring;
1470: }
1471:
1472: sub end_hr {
1473: my ($target,$token) = @_;
1474: my $currentstring = '';
1475: if ($target eq 'web') {
1476: $currentstring .= $token->[2];
1.148 sakharuk 1477: }
1.122 albertel 1478: return $currentstring;
1479: }
1480:
1.181 sakharuk 1481: #-- <div> tag (end tag required)
1.280 foxr 1482: {
1483:
1484: # Since div can be nested, the stack below is used
1485: # in 'tex' mode to store the ending strings
1486: # for the div stack.
1487:
1488: my @div_end_stack;
1489:
1.122 albertel 1490: sub start_div {
1.280 foxr 1491: my ($target,$token, $tagstack, $parstack, $parser, $safeeval) = @_;
1.279 foxr 1492: my $currentstring = &end_p(); # Close enclosing para.
1.122 albertel 1493: if ($target eq 'web') {
1494: $currentstring .= $token->[4];
1495: }
1.280 foxr 1496: if ($target eq 'tex') {
1497: # 4 possible alignments: left, right, center, and -missing-.
1498:
1499: my $endstring = '';
1500:
1501: my $align = lc(&Apache::lonxml::get_param('align', $parstack,
1502: $safeeval, undef, 1));
1503: if ($align eq 'center') {
1504: $currentstring .= '\begin{center}';
1505: $endstring = '\end{center}';
1506: }
1507: elsif ($align eq 'right') {
1508: $currentstring .= '\begin{flushright}';
1509: $endstring .= '\end{flushright}';
1510: } elsif ($align eq 'left') {
1511: $currentstring .= '\begin{flushleft}';
1512: $endstring = '\end{flushleft}';
1513: } else {
1514:
1515: }
1516: $currentstring .= "\n"; # For human readability.
1517: $endstring = "\n$endstring\n"; # For human readability
1518: push(@div_end_stack, $endstring);
1519: }
1.122 albertel 1520: return $currentstring;
1521: }
1522:
1523: sub end_div {
1524: my ($target,$token) = @_;
1525: my $currentstring = '';
1526: if ($target eq 'web') {
1527: $currentstring .= $token->[2];
1.280 foxr 1528: }
1529: if ($target eq 'tex') {
1530: my $endstring = pop @div_end_stack;
1531: $currentstring .= $endstring;
1532: }
1.122 albertel 1533: return $currentstring;
1534: }
1.280 foxr 1535: }
1.122 albertel 1536:
1.181 sakharuk 1537: #-- <a> tag (end tag required)
1.122 albertel 1538: sub start_a {
1.149 sakharuk 1539: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1540: my $currentstring = '';
1541: if ($target eq 'web') {
1.250 albertel 1542: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
1543: undef,1);
1544: $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href});
1.122 albertel 1545: } elsif ($target eq 'tex') {
1.149 sakharuk 1546: my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
1.161 sakharuk 1547: my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
1548: if ($a=~/\S/) {
1549: $a=~s/([^\\])%/$1\\\%/g;
1550: $currentstring .= '\ref{URI: '.$a.'}';
1551: } elsif ($b=~/\S/) {
1552: $currentstring .= '\ref{Anchor: '.$b.'}';
1553: } else {
1554: $currentstring.='';
1555: }
1.122 albertel 1556: }
1557: return $currentstring;
1558: }
1559:
1560: sub end_a {
1.168 albertel 1561: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1562: my $currentstring = '';
1563: if ($target eq 'web') {
1564: $currentstring .= $token->[2];
1565: }
1566: return $currentstring;
1567: }
1568:
1.181 sakharuk 1569: #-- <li> tag (end tag optional)
1.122 albertel 1570: sub start_li {
1.168 albertel 1571: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1572: my $currentstring = '';
1573: if ($target eq 'web') {
1574: $currentstring = $token->[4];
1575: } elsif ($target eq 'tex') {
1.237 sakharuk 1576: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1577: my $value=&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,0);
1.238 albertel 1578: #FIXME need to support types i and I
1579: if ($type=~/disc/) {
1580: $currentstring .= ' \item[$\bullet$] ';
1581: } elsif ($type=~/circle/) {
1582: $currentstring .= ' \item[$\circ$] ';
1.146 sakharuk 1583: } elsif ($type=~/square/) {
1.238 albertel 1584: $currentstring .= ' \item[$\diamond$] ';
1585: } elsif ($type eq '1') {
1586: $currentstring .= ' \item['.($Apache::londefdef::list_index+1).'.]';
1.237 sakharuk 1587: } elsif ($type eq 'A') {
1.238 albertel 1588: $currentstring .= ' \item['.('A'..'Z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1589: } elsif ($type eq 'a') {
1.238 albertel 1590: $currentstring .= ' \item['.('a'..'z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1591: } elsif ($value ne '') {
1592: $currentstring .= ' \item['.$value.'] ';
1.122 albertel 1593: } else {
1.146 sakharuk 1594: $currentstring .= ' \item ';
1.122 albertel 1595: }
1.238 albertel 1596: $Apache::londefdef::list_index++;
1597: }
1.122 albertel 1598: return $currentstring;
1599: }
1600:
1601: sub end_li {
1602: my ($target,$token) = @_;
1.279 foxr 1603: my $currentstring = &end_p(); # In case there's a <p> in the <li>
1.122 albertel 1604: if ($target eq 'web') {
1.277 foxr 1605: $currentstring .= $token->[2];
1.122 albertel 1606: }
1607: return $currentstring;
1608: }
1609:
1.181 sakharuk 1610: #-- <u> tag (end tag required)
1.122 albertel 1611: sub start_u {
1612: my ($target,$token) = @_;
1613: my $currentstring = '';
1614: if ($target eq 'web') {
1615: $currentstring .= $token->[4];
1616: } elsif ($target eq 'tex') {
1617: &Apache::lonxml::startredirection();
1618: }
1619: return $currentstring;
1620: }
1621:
1622: sub end_u {
1623: my ($target,$token) = @_;
1624: my $currentstring = '';
1625: if ($target eq 'web') {
1626: $currentstring .= $token->[2];
1627: } elsif ($target eq 'tex') {
1628: $currentstring=&Apache::lonxml::endredirection();
1629: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1630: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1631: $currentstring=~s/(\S)\s*$/$1\}/;
1632: }
1633: return $currentstring;
1634: }
1635:
1.181 sakharuk 1636: #-- <ul> tag (end tag required)
1.122 albertel 1637: sub start_ul {
1.125 sakharuk 1638: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1639: my $currentstring = &end_p(); # Close off enclosing list.
1.122 albertel 1640: if ($target eq 'web') {
1.277 foxr 1641: $currentstring .= $token->[4];
1.122 albertel 1642: } elsif ($target eq 'tex') {
1.125 sakharuk 1643: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1.238 albertel 1644: $Apache::londefdef::list_index=0;
1.125 sakharuk 1645: if ($TeXtype eq 'disc') {
1.222 sakharuk 1646: $currentstring .= '\renewcommand{\labelitemi}{$\bullet$}'.
1647: '\renewcommand{\labelitemii}{$\bullet$}'.
1648: '\renewcommand{\labelitemiii}{$\bullet$}'.
1649: '\renewcommand{\labelitemiv}{$\bullet$}';
1.125 sakharuk 1650: } elsif ($TeXtype eq 'circle') {
1.222 sakharuk 1651: $currentstring .= '\renewcommand{\labelitemi}{$\circ$}'.
1652: '\renewcommand{\labelitemii}{$\circ$}'.
1653: '\renewcommand{\labelitemiii}{$\circ$}'.
1654: '\renewcommand{\labelitemiv}{$\circ$}';
1.125 sakharuk 1655: } elsif ($TeXtype eq 'square') {
1.222 sakharuk 1656: $currentstring .= '\renewcommand{\labelitemi}{$\diamond$}'.
1657: '\renewcommand{\labelitemii}{$\diamond$}'.
1658: '\renewcommand{\labelitemiii}{$\diamond$}'.
1659: '\renewcommand{\labelitemiv}{$\diamond$}';
1.125 sakharuk 1660: }
1.222 sakharuk 1661: $currentstring .= '\strut \begin{itemize}';
1.122 albertel 1662: }
1663: return $currentstring;
1664: }
1665:
1666: sub end_ul {
1667: my ($target,$token) = @_;
1668: my $currentstring = '';
1669: if ($target eq 'web') {
1670: $currentstring = $token->[2];
1671: } elsif ($target eq 'tex') {
1.222 sakharuk 1672: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}'.
1673: '\renewcommand{\labelitemii}{$\bullet$}'.
1674: '\renewcommand{\labelitemiii}{$\bullet$}'.
1675: '\renewcommand{\labelitemiv}{$\bullet$}\strut ';
1.122 albertel 1676: }
1677: return $currentstring;
1678: }
1679:
1.181 sakharuk 1680: #-- <menu> tag (end tag required)
1.122 albertel 1681: sub start_menu {
1682: my ($target,$token) = @_;
1683: my $currentstring = '';
1684: if ($target eq 'web') {
1685: $currentstring = $token->[4];
1686: } elsif ($target eq 'tex') {
1687: $currentstring = " \\begin{itemize} ";
1688: }
1689: return $currentstring;
1690: }
1691:
1692: sub end_menu {
1693: my ($target,$token) = @_;
1694: my $currentstring = '';
1695: if ($target eq 'web') {
1696: $currentstring = $token->[2];
1697: } elsif ($target eq 'tex') {
1698: $currentstring = " \\end{itemize}";
1699: }
1700: return $currentstring;
1701: }
1702:
1.181 sakharuk 1703: #-- <dir> tag (end tag required)
1.122 albertel 1704: sub start_dir {
1705: my ($target,$token) = @_;
1.279 foxr 1706: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.122 albertel 1707: if ($target eq 'web') {
1.277 foxr 1708: $currentstring .= $token->[4];
1.122 albertel 1709: } elsif ($target eq 'tex') {
1.277 foxr 1710: $currentstring .= " \\begin{itemize} ";
1.122 albertel 1711: }
1712: return $currentstring;
1713: }
1714:
1715: sub end_dir {
1716: my ($target,$token) = @_;
1717: my $currentstring = '';
1718: if ($target eq 'web') {
1719: $currentstring = $token->[2];
1720: } elsif ($target eq 'tex') {
1721: $currentstring = " \\end{itemize}";
1722: }
1723: return $currentstring;
1724: }
1725:
1.181 sakharuk 1726: #-- <ol> tag (end tag required)
1.122 albertel 1727: sub start_ol {
1.125 sakharuk 1728: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1729: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.122 albertel 1730: if ($target eq 'web') {
1.277 foxr 1731: $currentstring .= $token->[4];
1.122 albertel 1732: } elsif ($target eq 'tex') {
1.238 albertel 1733: $Apache::londefdef::list_index=0;
1.125 sakharuk 1734: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1735: if ($type eq '1') {
1.222 sakharuk 1736: $currentstring .= '\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1737: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1738: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1739: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1.125 sakharuk 1740: } elsif ($type eq 'A') {
1.222 sakharuk 1741: $currentstring .= '\renewcommand{\labelenumi}{\Alph{enumi}.}'.
1742: '\renewcommand{\labelenumii}{\Alph{enumii}.}'.
1743: '\renewcommand{\labelenumiii}{\Alph{enumiii}.}'.
1744: '\renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1.125 sakharuk 1745: } elsif ($type eq 'a') {
1.222 sakharuk 1746: $currentstring .= '\renewcommand{\labelenumi}{\alph{enumi}.}'.
1747: '\renewcommand{\labelenumii}{\alph{enumii}.}'.
1748: '\renewcommand{\labelenumiii}{\alph{enumiii}.}'.
1749: '\renewcommand{\labelenumiv}{\alph{enumiv}.}';
1.125 sakharuk 1750: } elsif ($type eq 'i') {
1.222 sakharuk 1751: $currentstring .= '\renewcommand{\labelenumi}{\roman{enumi}.}'.
1752: '\renewcommand{\labelenumii}{\roman{enumii}.}'.
1753: '\renewcommand{\labelenumiii}{\roman{enumiii}.}'.
1754: '\renewcommand{\labelenumiv}{\roman{enumiv}.}';
1.125 sakharuk 1755: } elsif ($type eq 'I') {
1.222 sakharuk 1756: $currentstring .= '\renewcommand{\labelenumi}{\Roman{enumi}.}'.
1757: '\renewcommand{\labelenumii}{\Roman{enumii}.}'.
1758: '\renewcommand{\labelenumiii}{\Roman{enumiii}.}'.
1759: '\renewcommand{\labelenumiv}{\Roman{enumiv}.}';
1.125 sakharuk 1760: }
1.222 sakharuk 1761: $currentstring .= '\strut \begin{enumerate}';
1.122 albertel 1762: }
1763: return $currentstring;
1764: }
1765:
1766: sub end_ol {
1767: my ($target,$token) = @_;
1768: my $currentstring = '';
1769: if ($target eq 'web') {
1770: $currentstring = $token->[2];
1771: } elsif ($target eq 'tex') {
1.222 sakharuk 1772: $currentstring = '\end{enumerate}\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1773: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1774: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1775: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}\strut ';
1.122 albertel 1776: }
1777: return $currentstring;
1778: }
1779:
1.181 sakharuk 1780: #-- <dl> tag (end tag required)
1.122 albertel 1781: sub start_dl {
1782: my ($target,$token) = @_;
1.279 foxr 1783: my $currentstring = &end_p(); # In case there's a <p> unclosed prior to the list.
1.122 albertel 1784: if ($target eq 'web') {
1.277 foxr 1785: $currentstring .= $token->[4];
1.122 albertel 1786: } elsif ($target eq 'tex') {
1.277 foxr 1787: $currentstring .= '\begin{description}';
1.243 albertel 1788: $Apache::londefdef::DL++;
1789: push(@Apache::londefdef::description,[]);
1790: $Apache::londefdef::DD[$Apache::londefdef::DL]=0;
1791: $Apache::londefdef::DT[$Apache::londefdef::DL]=0;
1.244 albertel 1792: $Apache::londefdef::seenDT[$Apache::londefdef::DL]=0;
1.122 albertel 1793: }
1794: return $currentstring;
1795: }
1796:
1797: sub end_dl {
1.174 sakharuk 1798: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1799: my $currentstring = '';
1800: if ($target eq 'web') {
1801: $currentstring = $token->[2];
1802: } elsif ($target eq 'tex') {
1.243 albertel 1803: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1804: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1805: foreach my $element (@{$Apache::londefdef::description[-1]}) {
1.174 sakharuk 1806: $currentstring.=' '.$element.' ';
1807: }
1.243 albertel 1808: pop(@Apache::londefdef::description);
1.174 sakharuk 1809: $currentstring.='\end{description}';
1.243 albertel 1810: delete($Apache::londefdef::DD[$Apache::londefdef::DL]);
1811: delete($Apache::londefdef::DT[$Apache::londefdef::DL]);
1.244 albertel 1812: delete($Apache::londefdef::seenDT[$Apache::londefdef::DL]);
1.243 albertel 1813: $Apache::londefdef::DL--;
1.122 albertel 1814: }
1815: return $currentstring;
1816: }
1817:
1.172 sakharuk 1818: #-- <dt> tag (end tag optional)
1.122 albertel 1819: sub start_dt {
1.172 sakharuk 1820: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1821: my $currentstring='';
1.122 albertel 1822: if ($target eq 'web') {
1823: $currentstring = $token->[4];
1824: } elsif ($target eq 'tex') {
1.243 albertel 1825: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1826: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1.174 sakharuk 1827: &Apache::lonxml::startredirection();
1.243 albertel 1828: $Apache::londefdef::DT[-1]++;
1.244 albertel 1829: $Apache::londefdef::seenDT[-1]=1;
1.122 albertel 1830: }
1831: return $currentstring;
1832: }
1833:
1834: sub end_dt {
1.172 sakharuk 1835: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1836: my $currentstring = '';
1837: if ($target eq 'web') {
1838: $currentstring = $token->[2];
1839: } elsif ($target eq 'tex') {
1.243 albertel 1840: if ($Apache::londefdef::DT[-1]) {
1841: my $data=&item_cleanup();
1.244 albertel 1842: push(@{$Apache::londefdef::description[-1]},'\item['.$data.'] \strut \vskip 0mm');
1.243 albertel 1843: $Apache::londefdef::DT[-1]--;
1844: }
1.122 albertel 1845: }
1846: return $currentstring;
1847: }
1848:
1.173 sakharuk 1849: sub item_cleanup {
1.174 sakharuk 1850: my $item=&Apache::lonxml::endredirection();
1.173 sakharuk 1851: $item=~s/\\begin{center}//g;
1852: $item=~s/\\end{center}//g;
1853: return $item;
1854: }
1855:
1.181 sakharuk 1856: #-- <dd> tag (end tag optional)
1.122 albertel 1857: sub start_dd {
1.147 sakharuk 1858: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1859: my $currentstring = '';
1860: if ($target eq 'web') {
1861: $currentstring = $token->[4];
1.147 sakharuk 1862: } elsif ($target eq 'tex') {
1.243 albertel 1863: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1864: if ($Apache::londefdef::DD[-1]) { &end_dd(@_);}
1.244 albertel 1865: if (!$Apache::londefdef::seenDT[-1]) {
1866: push(@{$Apache::londefdef::description[-1]},'\item[\strut] \strut \vskip 0mm ');
1867: }
1.243 albertel 1868: push(@{$Apache::londefdef::description[-1]},'');
1869: $Apache::londefdef::description[-1]->[-1].=' \strut ';
1870: $Apache::londefdef::DD[-1]++;
1.174 sakharuk 1871: &Apache::lonxml::startredirection();
1.122 albertel 1872: }
1873: return $currentstring;
1874: }
1875:
1876: sub end_dd {
1.174 sakharuk 1877: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1878: my $currentstring = '';
1879: if ($target eq 'web') {
1880: $currentstring = $token->[2];
1.174 sakharuk 1881: } elsif ($target eq 'tex') {
1.243 albertel 1882: $Apache::londefdef::description[-1]->[-1].=
1883: &Apache::lonxml::endredirection().' \vskip 0mm ';
1884: $Apache::londefdef::DD[-1]--;
1.174 sakharuk 1885: }
1.122 albertel 1886: return $currentstring;
1887: }
1888:
1.181 sakharuk 1889: #-- <table> tag (end tag required)
1.277 foxr 1890: # <table> also ends any prior <p> that is not closed.
1891: # but, unless I allow <p>'s to nest, that's the
1892: # only way I could think of to allow <p> in
1893: # <tr> <th> bodies
1894: #
1.206 sakharuk 1895: #list of supported attributes: border,width,TeXwidth
1.91 sakharuk 1896: sub start_table {
1897: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.277 foxr 1898: my $textwidth = '';
1.279 foxr 1899: my $currentstring = &end_p();
1.91 sakharuk 1900: if ($target eq 'web') {
1.277 foxr 1901: $currentstring .= $token->[4];
1.91 sakharuk 1902: } elsif ($target eq 'tex') {
1903: my $aa = {};
1904: push @Apache::londefdef::table, $aa;
1905: $Apache::londefdef::table[-1]{'row_number'} = -1;
1.222 sakharuk 1906: #maximum table's width (default coincides with text line length)
1.206 sakharuk 1907: if ($#Apache::londefdef::table==0) {
1.267 albertel 1908: $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm
1.206 sakharuk 1909: $textwidth=~/(\d+\.?\d*)/;
1910: $textwidth=0.95*$1; #accounts "internal" LaTeX space for table frame
1911: } else {
1912: if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
1913: #the maximum width of nested table is determined by LATeX width of parent cell
1914: $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}];
1915: } else {
1916: #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly
1.228 sakharuk 1917: $textwidth=$Apache::londefdef::table[-2]{'width'};
1.206 sakharuk 1918: for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) {
1919: $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i];
1920: }
1921: }
1922: }
1.126 sakharuk 1923: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1924: if (not defined $TeXwidth) {
1925: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
1926: if ($htmlwidth=~/%/) {
1.203 sakharuk 1927: $Apache::londefdef::table[-1]{'percent'}=1;
1.126 sakharuk 1928: $htmlwidth=~/(\d+)/;
1.203 sakharuk 1929: $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;;
1.126 sakharuk 1930: } else {
1931: $Apache::londefdef::table[-1]{'width'}=$textwidth;
1932: }
1933: } elsif ($TeXwidth=~/%/) {
1.203 sakharuk 1934: $Apache::londefdef::table[-1]{'percent'}=1;
1.126 sakharuk 1935: $TeXwidth=~/(\d+)/;
1.206 sakharuk 1936: $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
1.126 sakharuk 1937: } else {
1.222 sakharuk 1938: $Apache::londefdef::table[-1]{'forcetablewidth'}=1;
1.206 sakharuk 1939: $Apache::londefdef::table[-1]{'width'}=$TeXwidth;
1.126 sakharuk 1940: }
1941: #table's border
1.206 sakharuk 1942: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
1.208 sakharuk 1943: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.91 sakharuk 1944: unless (defined $border) { $border = 0; }
1945: if ($border) {
1946: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
1947: $Apache::londefdef::table[-1]{'vinc'} = '&';
1948: $Apache::londefdef::table[-1]{'vvinc'} = '|';
1949: } else {
1950: $Apache::londefdef::table[-1]{'hinc'} = '';
1951: $Apache::londefdef::table[-1]{'vinc'} = '&';
1952: $Apache::londefdef::table[-1]{'vvinc'} = '';
1953: }
1.206 sakharuk 1954: if ($#Apache::londefdef::table==0) {
1.281 foxr 1955: # Note that \newline seems to destroy the alignment envs.
1956: # $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}';
1957: $Apache::londefdef::table[-1]{'output'}='\strut'.'\\\\'."\n".'\strut\setlength{\tabcolsep}{1 mm}';
1.206 sakharuk 1958: }
1959: $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} ';
1960: $Apache::londefdef::table[-1]{'TeXlen'}=[];
1961: $Apache::londefdef::table[-1]{'objectlen'}=[];
1.229 sakharuk 1962: $Apache::londefdef::table[-1]{'objectsignal'}=[];
1.206 sakharuk 1963: $Apache::londefdef::table[-1]{'maxlen'}=[];
1964: $Apache::londefdef::table[-1]{'minlen'}=[];
1965: $Apache::londefdef::table[-1]{'content'}=[];
1966: $Apache::londefdef::table[-1]{'align'}=[];
1.277 foxr 1967: $currentstring.='\keephidden{NEW TABLE ENTRY}';
1.206 sakharuk 1968: }
1.91 sakharuk 1969: return $currentstring;
1970: }
1.122 albertel 1971:
1972: sub end_table {
1973: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1974: my $currentstring = '';
1975: if ($target eq 'web') {
1976: $currentstring = $token->[2];
1977: } elsif ($target eq 'tex') {
1978: my $inmemory = '';
1979: my $output = '';
1.206 sakharuk 1980: my $WARNING='';
1981: #width of columns from TeXwidth attributes
1982: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1983: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1984: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
1985: $Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]=$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn];
1986: }
1987: }
1988: }
1989: #free space and number of empty columns
1990: my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0);
1.228 sakharuk 1991: if ($#Apache::londefdef::table ne 0) {$available_space=0.9*$available_space;}
1.206 sakharuk 1992: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
1993: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) {
1994: $empty_columns++;
1995: } else {
1996: $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];
1997: }
1998: }
1999: #boundaries for contents columns
2000: my @min_len=();#columns can not be narrower
2001: my @max_len=();#maximum length of column
2002: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2003: my ($localmin,$localmax)=(0,0);
2004: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2005: if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {
2006: $localmin=$Apache::londefdef::table[-1]{'minlen'}[$in][$jn];
2007: }
2008: if ($localmax<$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]) {
2009: $localmax=$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn];
2010: }
2011: }
2012: push @min_len, $localmin;
2013: push @max_len, $localmax;
1.122 albertel 2014: }
1.206 sakharuk 2015: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2016: my $localmin=0,;
2017: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2018: if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {
2019: $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn];
2020: }
2021: }
1.229 sakharuk 2022: if ($max_len[$jn]<$localmin) {
2023: $max_len[$jn]=$localmin;
2024: $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
2025: }#object size is bigger
2026: if ($min_len[$jn]<$localmin) {
2027: $min_len[$jn]=$localmin;
2028: $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
2029: }#object size is bigger
1.206 sakharuk 2030: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) {
2031: $min_len[$jn]=0;
2032: $max_len[$jn]=0;
2033: }
2034: }
2035: #final adjustment of column width
2036: my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array
2037: my @adjust=();
2038: #step 1. adjustment by maximum value
2039: my $space_neeeded=0;
2040: for (my $jn=0;$jn<=$#max_len;$jn++) {
2041: $space_neeeded=$space_neeeded+$max_len[$jn];
2042: }
2043: if ($space_neeeded<=$available_space) {
2044: for (my $jn=0;$jn<=$#max_len;$jn++) {
2045: if ($fwidth[$jn]==0) {
2046: $fwidth[$jn]=$max_len[$jn];
1.53 sakharuk 2047: }
1.51 sakharuk 2048: }
1.206 sakharuk 2049: } else {
2050: #step 2. adjustment by minimum value (estimation)
2051: $space_neeeded=0;
2052: for (my $jn=0;$jn<=$#min_len;$jn++) {
2053: $space_neeeded+=$min_len[$jn];
2054: }
2055: if ($space_neeeded>$available_space) {
2056: $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';
2057: for (my $jn=0;$jn<=$#max_len;$jn++) {
2058: if ($fwidth[$jn]==0) {
2059: $fwidth[$jn]=$min_len[$jn];
2060: }
2061: }
1.229 sakharuk 2062: #check if we have objects which can be scaled
2063: my $how_many_to_scale=0;
2064: my @to_scale=();
2065: for (my $jn=0;$jn<=$#max_len;$jn++) {
2066: if ($Apache::londefdef::table[-1]{'objectsignal'}[$jn] eq '1') {
2067: $how_many_to_scale++;
2068: push @to_scale, $jn;
2069: }
2070: }
2071: if ($how_many_to_scale>0) {
2072: my $space_to_adjust=($space_neeeded-$available_space)/$how_many_to_scale;
2073: foreach my $jn (@to_scale) {
2074: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2075: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/;
2076: if ($1 ne '') {
2077: my $current_length=&recalc($1);
2078: $current_length=~/(\d+\.?\d*)/;
2079: $current_length=$current_length-$space_to_adjust;
2080: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/width=$current_length mm/;
2081: }
2082: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/\[(\d+\.?\d*)\s*mm\]/;
2083: if ($1 ne '') {
2084: my $current_length=$1;
2085: $current_length=$current_length-$space_to_adjust;
2086: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/\[(\d+\.?\d*)\s*mm\]/\[$current_length mm\]/;
2087: }
2088: }
2089: $fwidth[$jn]=$fwidth[$jn]-$space_to_adjust;
2090: }
2091: }
1.206 sakharuk 2092: } else {
2093: #step 3. adjustment over minimal + corrections
2094: my $enlarge_coef=$available_space/$space_neeeded;
2095: my $acsessive=0;
2096: for (my $jn=0;$jn<=$#min_len;$jn++) {
2097: $adjust[$jn]=$min_len[$jn]*$enlarge_coef;
2098: if ($adjust[$jn]>$max_len[$jn]) {
2099: $fwidth[$jn]=$max_len[$jn];
2100: $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];
2101: $adjust[$jn]=0;
2102: }
2103: }
2104: if ($acsessive>0) {
2105: #we have an excess of space and can redistribute it
2106: my $notempty_columns=0;
2107: for (my $jn=0;$jn<=$#min_len;$jn++) {
2108: if ($adjust[$jn]!=0) {
2109: $notempty_columns++;
2110: }
2111: }
2112: my $per_column=$acsessive/$notempty_columns;
2113: for (my $jn=0;$jn<=$#min_len;$jn++) {
2114: if ($adjust[$jn]!=0) {
2115: $adjust[$jn]+=$per_column;
2116: $fwidth[$jn]=$adjust[$jn];
2117: }
1.223 sakharuk 2118: }
2119: } else {
2120: for (my $jn=0;$jn<=$#min_len;$jn++) {
2121: $fwidth[$jn]=$adjust[$jn];
1.206 sakharuk 2122: }
2123: }
1.203 sakharuk 2124: }
2125: }
1.222 sakharuk 2126: #use all available width if it is defined in % or as TeXwidth
2127: if (($Apache::londefdef::table[-1]{'percent'}==1) || ($Apache::londefdef::table[-1]{'forcetablewidth'}==1)) {
1.203 sakharuk 2128: my $current=0;
1.206 sakharuk 2129: for (my $i=0;$i<=$#fwidth;$i++) {
2130: $current+=$fwidth[$i];
1.203 sakharuk 2131: }
2132: my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
1.206 sakharuk 2133: for (my $i=0;$i<=$#fwidth;$i++) {
2134: $fwidth[$i]*=$coef;
2135: }
2136: }
2137: #removing of empty columns if allowed
1.208 sakharuk 2138: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.206 sakharuk 2139: if ($permission eq 'yes') {
2140: my @cleaned_table=();
2141: my @cleaned_header=();
2142: my $colind=0;
2143: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2144: if ($fwidth[$jn]!=0) {
2145: #we need to copy column
2146: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2147: $cleaned_table[$in][$colind]=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
2148: $cleaned_header[$colind]=$fwidth[$jn];
2149: }
2150: $colind++;
2151: }
1.122 albertel 2152: }
1.206 sakharuk 2153: $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
2154: @fwidth=@cleaned_header;
1.122 albertel 2155: }
1.206 sakharuk 2156: #construct header of the table
2157: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
2158: for (my $in=0;$in<=$#fwidth;$in++) {
2159: $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};
2160: }
2161: $header_of_table .= '}';
1.126 sakharuk 2162: #fill the table
2163: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1.206 sakharuk 2164: for (my $jn=0;$jn<=$#fwidth;$jn++) {
2165: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.228 sakharuk 2166: $output.='\vspace*{-6 mm}\begin{center}';
1.206 sakharuk 2167: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
2168: $output.=' \hfill \llap{'
2169: }
2170: $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
2171: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.228 sakharuk 2172: $output.='\end{center}\vspace*{-6 mm}';
1.206 sakharuk 2173: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
2174: $output.='} ';
2175: }
2176: if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};}
2177: }
2178: $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
1.122 albertel 2179: }
1.281 foxr 2180: # Note that \newline destroys alignment env's produced by e.g. <div>
2181: # $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut ';
2182: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut ';
1.127 sakharuk 2183: if ($#Apache::londefdef::table > 0) {
2184: my $inmemory = $Apache::londefdef::table[-1]{'output'};
2185: pop @Apache::londefdef::table;
1.129 sakharuk 2186: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1.127 sakharuk 2187: } else {
2188: $currentstring .= $Apache::londefdef::table[-1]{'output'};
2189: pop @Apache::londefdef::table;
1.143 sakharuk 2190: undef @Apache::londefdef::table;
1.127 sakharuk 2191: }
1.122 albertel 2192: }
2193: return $currentstring;
2194: }
2195:
1.166 sakharuk 2196: #-- <tr> tag (end tag optional)
1.122 albertel 2197: sub start_tr {
2198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2199: my $currentstring = '';
2200: if ($target eq 'web') {
2201: $currentstring = $token->[4];
2202: } elsif ($target eq 'tex') {
2203: $Apache::londefdef::table[-1]{'row_number'}++;
1.206 sakharuk 2204: my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.122 albertel 2205: if ($alignchar ne '') {
1.206 sakharuk 2206: push @ {$Apache::londefdef::table[-1]{'rows'} },substr($alignchar,0,1);
1.122 albertel 2207: } else {
2208: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
2209: }
2210: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
2211: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1.206 sakharuk 2212: push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
2213: push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
2214: push @ {$Apache::londefdef::table[-1]{'minlen'}}, [];
2215: push @ {$Apache::londefdef::table[-1]{'maxlen'}}, [];
2216: push @ {$Apache::londefdef::table[-1]{'content'}}, [];
1.122 albertel 2217: }
2218: return $currentstring;
2219: }
2220:
2221: sub end_tr {
1.160 sakharuk 2222: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2223: my $currentstring = &end_p(); # Close any pending <p> in the row.
1.122 albertel 2224: if ($target eq 'web') {
1.277 foxr 2225: $currentstring .= $token->[2];
1.122 albertel 2226: } elsif ($target eq 'tex') {
1.160 sakharuk 2227: if ($Apache::londefdef::TD_redirection) {
2228: &end_td_tex($parstack,$parser,$safeeval);
2229: }
1.122 albertel 2230: }
2231: return $currentstring;
2232: }
2233:
1.166 sakharuk 2234: #-- <td> tag (end tag optional)
1.122 albertel 2235: sub start_td {
2236: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2237: my $currentstring = '';
2238: if ($target eq 'web') {
2239: $currentstring = $token->[4];
2240: } elsif ($target eq 'tex') {
1.160 sakharuk 2241: $Apache::londefdef::TD_redirection = 1;
1.159 sakharuk 2242: &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2243: }
2244: return $currentstring;
2245: }
1.159 sakharuk 2246:
2247: sub tag_check {
2248: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
1.160 sakharuk 2249: my @ar=@$parstack;
2250: for (my $i=$#ar-1;$i>=0;$i--) {
2251: if (lc($$tagstack[$i]) eq $good_tag) {
2252: &start_td_tex($parstack,$parser,$safeeval);
2253: last;
2254: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2255: splice @ar, $i+1;
2256: &end_td_tex(\@ar,$parser,$safeeval);
2257: &start_td_tex($parstack,$parser,$safeeval);
2258: last;
1.159 sakharuk 2259: }
1.160 sakharuk 2260: }
1.159 sakharuk 2261: return '';
2262: }
2263:
2264: sub start_td_tex {
2265: my ($parstack,$parser,$safeeval) = @_;
1.206 sakharuk 2266: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2267: if ($alignchar eq '') {
2268: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
1.159 sakharuk 2269: }
1.206 sakharuk 2270: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
1.159 sakharuk 2271: $Apache::londefdef::table[-1]{'counter_columns'}++;
1.206 sakharuk 2272: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2273: if (defined $TeXwidth) {
2274: my $current_length=&recalc($TeXwidth);
2275: $current_length=~/(\d+\.?\d*)/;
2276: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2277: }
1.159 sakharuk 2278: &Apache::lonxml::startredirection();
2279: return '';
2280: }
2281:
2282: sub end_td_tex {
2283: my ($parstack,$parser,$safeeval) = @_;
2284: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2285: my $data=&Apache::lonxml::endredirection();
2286: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2287: if (defined $TeXwidth) {
1.206 sakharuk 2288: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2289: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2290: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
1.159 sakharuk 2291: } else {
1.206 sakharuk 2292: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2293: my $garbage_data=$data;
2294: my $fwidth=0;
2295: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2296: my $current_length=&recalc($1);
2297: $current_length=~/(\d+\.?\d*)/;
2298: if ($fwidth<$1) {$fwidth=$1;}
2299: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2300: }
2301: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2302: my $current_length=$1;
2303: if ($fwidth<$current_length) {$fwidth=$current_length;}
2304: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2305: }
2306: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2307: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2308: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2309: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
1.231 sakharuk 2310: } elsif ($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)*/) {
2311: my $garbage_data=$data;
2312: my $fwidth=0;
2313: while ($garbage_data=~/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)\s*\}/) {
2314: my $current_length=&recalc($1);
2315: $current_length=~/(\d+\.?\d*)/;
2316: if ($fwidth<$1) {$fwidth=$1;}
2317: $garbage_data=~s/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2318: }
2319: while ($garbage_data=~/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2320: my $current_length=&recalc($1);
2321: $current_length=~/(\d+\.?\d*)/;
2322: if ($fwidth<$1) {$fwidth=$1;}
2323: $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2324: }
2325: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2326: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2327: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2328: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2329: $data=~s/\\\\\s*$//;
1.159 sakharuk 2330: } else {
1.166 sakharuk 2331: $data=~s/^\s+(\S.*)/$1/;
1.159 sakharuk 2332: $data=~s/(.*\S)\s+$/$1/;
1.166 sakharuk 2333: $data=~s/(\s)+/$1/;
1.206 sakharuk 2334: my ($current_length,$min_length)=(0,0);
1.166 sakharuk 2335: if ($data=~/\\vskip/) {
2336: my $newdata=$data;
2337: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2338: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2339: foreach my $elementdata (@newdata) {
1.206 sakharuk 2340: my $lengthnewdata=2.5*&LATEX_length($elementdata);
1.166 sakharuk 2341: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
1.206 sakharuk 2342: my @words=split(/ /,$elementdata);
2343: foreach my $word (@words) {
2344: my $lengthword=2.5*&LATEX_length($word);
2345: if ($min_length<$lengthword) {$min_length=$lengthword;}
2346: }
1.166 sakharuk 2347: }
2348: } else {
1.206 sakharuk 2349: $current_length=2.5*&LATEX_length($data);
2350: my @words=split(/ /,$data);
2351: foreach my $word (@words) {
1.228 sakharuk 2352: my $lengthword=2*&LATEX_length($word);
1.206 sakharuk 2353: if ($min_length<$lengthword) {$min_length=$lengthword;}
2354: }
1.166 sakharuk 2355: }
1.206 sakharuk 2356: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2357: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2358: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2359: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
1.159 sakharuk 2360: }
2361: }
2362: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
2363: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2364: }
1.206 sakharuk 2365: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.159 sakharuk 2366: return'';
2367: }
2368:
1.122 albertel 2369: sub end_td {
1.126 sakharuk 2370: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2371: my $currentstring = '';
2372: if ($target eq 'web') {
2373: $currentstring = $token->[2];
2374: } elsif ($target eq 'tex') {
1.160 sakharuk 2375: $Apache::londefdef::TD_redirection =0;
1.159 sakharuk 2376: &end_td_tex($parstack,$parser,$safeeval);
1.122 albertel 2377: }
2378: return $currentstring;
2379: }
2380:
1.166 sakharuk 2381: #-- <th> tag (end tag optional)
1.122 albertel 2382: sub start_th {
2383: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2384: my $currentstring = '';
2385: if ($target eq 'web') {
2386: $currentstring = $token->[4];
2387: } elsif ($target eq 'tex') {
1.230 sakharuk 2388: $Apache::londefdef::TD_redirection = 1;
2389: &tagg_check('tr','th',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2390: }
2391: return $currentstring;
1.130 sakharuk 2392: }
1.230 sakharuk 2393:
2394: sub tagg_check {
2395: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
2396: my @ar=@$parstack;
2397: for (my $i=$#ar-1;$i>=0;$i--) {
2398: if (lc($$tagstack[$i]) eq $good_tag) {
2399: &start_th_tex($parstack,$parser,$safeeval);
2400: last;
2401: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2402: splice @ar, $i+1;
2403: &end_th_tex(\@ar,$parser,$safeeval);
2404: &start_th_tex($parstack,$parser,$safeeval);
2405: last;
2406: }
2407: }
2408: return '';
2409: }
2410:
2411: sub start_th_tex {
2412: my ($parstack,$parser,$safeeval) = @_;
2413: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2414: if ($alignchar eq '') {
2415: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
2416: }
2417: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
2418: $Apache::londefdef::table[-1]{'counter_columns'}++;
2419: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2420: if (defined $TeXwidth) {
2421: my $current_length=&recalc($TeXwidth);
2422: $current_length=~/(\d+\.?\d*)/;
2423: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2424: }
2425: &Apache::lonxml::startredirection();
2426: return '';
2427: }
2428:
2429: sub end_th_tex {
2430: my ($parstack,$parser,$safeeval) = @_;
2431: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2432: my $data=&Apache::lonxml::endredirection();
2433: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2434: if (defined $TeXwidth) {
2435: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2436: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2437: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2438: } else {
2439: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2440: my $garbage_data=$data;
2441: my $fwidth=0;
2442: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2443: my $current_length=&recalc($1);
2444: $current_length=~/(\d+\.?\d*)/;
2445: if ($fwidth<$1) {$fwidth=$1;}
2446: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2447: }
2448: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2449: my $current_length=$1;
2450: if ($fwidth<$current_length) {$fwidth=$current_length;}
2451: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2452: }
2453: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2454: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2455: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2456: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2457: } else {
2458: $data=~s/^\s+(\S.*)/$1/;
2459: $data=~s/(.*\S)\s+$/$1/;
2460: $data=~s/(\s)+/$1/;
2461: my ($current_length,$min_length)=(0,0);
2462: if ($data=~/\\vskip/) {
2463: my $newdata=$data;
2464: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2465: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2466: foreach my $elementdata (@newdata) {
2467: my $lengthnewdata=2.5*&LATEX_length($elementdata);
2468: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
2469: my @words=split(/ /,$elementdata);
2470: foreach my $word (@words) {
2471: my $lengthword=2.5*&LATEX_length($word);
2472: if ($min_length<$lengthword) {$min_length=$lengthword;}
2473: }
2474: }
2475: } else {
2476: $current_length=2.5*&LATEX_length($data);
2477: my @words=split(/ /,$data);
2478: foreach my $word (@words) {
2479: my $lengthword=2*&LATEX_length($word);
2480: if ($min_length<$lengthword) {$min_length=$lengthword;}
2481: }
2482: }
2483: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2484: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2485: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2486: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
2487: }
2488: }
2489: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
2490: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2491: }
2492: #make data bold
2493: $data='\textbf{'.$data.'}';
2494: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
2495: return'';
2496: }
2497:
1.122 albertel 2498: sub end_th {
1.130 sakharuk 2499: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2500: my $currentstring = &end_p(); # Close any open <p> in the row.
1.122 albertel 2501: if ($target eq 'web') {
1.277 foxr 2502: $currentstring .= $token->[2];
1.122 albertel 2503: } elsif ($target eq 'tex') {
1.230 sakharuk 2504: $Apache::londefdef::TD_redirection =0;
2505: &end_th_tex($parstack,$parser,$safeeval);
1.122 albertel 2506: }
2507: return $currentstring;
2508: }
1.230 sakharuk 2509:
1.181 sakharuk 2510: #-- <img> tag (end tag forbidden)
1.249 foxr 2511: #
2512: # Render the <IMG> tag.
2513: # <IMG> has the following attributes (in addition to the
2514: # standard HTML ones:
2515: # TeXwrap - Governs how the tex target will try to wrap text around
2516: # horizontally aligned images.
2517: # TeXwidth - The width of the image when rendered for print (mm).
2518: # TeXheight - The height of the image when rendered for print (mm)
2519: # (Note there seems to also be support for this as a % of page size)
2520: #
1.122 albertel 2521: sub start_img {
2522: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2523: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
2524: undef,1);
1.189 albertel 2525: if (not $src and ($target eq 'web' or $target eq 'tex')) {
2526: my $inside = &Apache::lonxml::get_all_text("/img",$parser);
2527: return '';
2528: }
1.122 albertel 2529: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2530: my $currentstring = '';
2531: my $scaling = .3;
1.249 foxr 2532:
2533: # Render unto browsers that which are the browser's...
2534:
1.122 albertel 2535: if ($target eq 'web') {
1.267 albertel 2536: if ($env{'browser.imagesuppress'} ne 'on') {
1.250 albertel 2537: $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
1.122 albertel 2538: } else {
2539: my $alttag= &Apache::lonxml::get_param
2540: ('alt',$parstack,$safeeval,undef,1);
2541: unless ($alttag) {
2542: $alttag=&Apache::lonmeta::alttag
2543: ($Apache::lonxml::pwd[-1],$src);
1.51 sakharuk 2544: }
1.158 sakharuk 2545: $currentstring.='[IMAGE: '.$alttag.']';
1.1 sakharuk 2546: }
1.249 foxr 2547:
2548: # and render unto TeX that which is LaTeX
2549:
1.122 albertel 2550: } elsif ($target eq 'tex') {
1.248 foxr 2551: #
2552: # The alignment will require some superstructure to be put around
2553: # the \includegraphics stuff. At present we can only partially
2554: # simulate the alignments offered by html.
2555: #
2556: #
2557: my $align = lc(&Apache::lonxml::get_param('align',
2558: $parstack,
2559: $safeeval,
2560: undef,1));
2561: if(!$align) {
2562: $align = "bottom"; # This is html's default so it's ours too.
2563: }
2564: #
2565: &Apache::lonxml::debug("Alignemnt = $align");
2566: # LaTeX's image/text wrapping is really bad since it wants to
2567: # make figures float.
2568: # The user has the optional parameter (applicable only to l/r
2569: # alignment to use the picins/parpic directive to get wrapped text
2570: # this is also imperfect.. that's why we give them a choice...
2571: # so they can't yell at us for our choice.
2572: #
2573: my $latex_rendering = &Apache::lonxml::get_param('TeXwrap',
2574: $parstack,
2575: $safeeval,
2576: undef,0);
2577: &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
2578: if(!$latex_rendering) {
2579: $latex_rendering = "parbox";
2580: }
1.261 foxr 2581: &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
1.248 foxr 2582:
1.256 albertel 2583: #if original gif/jpg/png file exist do following:
1.266 albertel 2584: my $origsrc=$src;
1.256 albertel 2585: my ($path,$file) = &get_eps_image($src);
1.122 albertel 2586: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.261 foxr 2587: &Apache::lonxml::debug("path = $path file = $file src = $src");
1.192 sakharuk 2588: if (-e $src) {
1.261 foxr 2589: &Apache::lonxml::debug("$src exists");
1.256 albertel 2590: my ($height_param,$width_param)=
1.266 albertel 2591: &image_size($origsrc,0.3,$parstack,$safeeval);
1.262 foxr 2592: my $destpath = $path;
1.263 foxr 2593: $destpath =~ s/ /\_/g; # Spaces in path cause LaTex to vomit.
2594: my $destfile = $file;
2595: $destfile =~ s/ /\_/g;
1.266 albertel 2596: my $size;
2597: if ($width_param) { $size.='width='.$width_param.' mm,'; }
2598: if ($height_param) { $size.='height='.$height_param.' mm]'; }
2599: $size='['.$size;
2600: $size=~s/,$/]/;
1.262 foxr 2601: $currentstring .= '\graphicspath{{'.$destpath.'}}'
1.266 albertel 2602: .'\includegraphics'.$size.'{'.$destfile.'} ';
1.256 albertel 2603:
1.248 foxr 2604: # If there's an alignment specification we need to honor it here.
2605: # For the horizontal alignments, we will also honor the
2606: # value of the latex specfication. The default is parbox,
2607: # and that's used for illegal values too.
2608: #
2609: # Even though we set a default alignment value, the user
2610: # could have given us an illegal value. In that case we
2611: # just use the default alignment of bottom..
2612: if ($align eq "top") {
2613: $currentstring = '\raisebox{-'.$height_param.'mm}{'.$currentstring.'}';
2614: } elsif (($align eq "center") || ($align eq "middle")) { # Being kind
2615: my $offset = $height_param/2;
2616: $currentstring = '\raisebox{-'.$offset.'mm}{'.$currentstring.'}';
2617: } elsif ($align eq "left") {
2618: if ($latex_rendering eq "parpic") {
2619: $currentstring = '\parpic[l]{'.$currentstring.'}';
2620: } else { # parbox rendering
1.255 albertel 2621: $currentstring = "\\strut\\newline\n".
2622: '\parbox{'.$width_param.'mm}{'.$currentstring.'}';
1.248 foxr 2623: }
2624: } elsif ($align eq "right") {
2625: if ($latex_rendering eq "parpic") {
2626: $currentstring = '\parpic[r]{'.$currentstring.'}';
2627: } else { # parbox rendering.
2628: $currentstring = '\parbox{'.$width_param.'mm}{\begin{flushright}'
2629: .$currentstring.'\end{flushright}} \newline'."\n";
2630: }
2631: } else { # Bottom is also default.
2632: # $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}';
2633: }
1.122 albertel 2634: } else {
1.261 foxr 2635: &Apache::lonxml::debug("$src does not exist");
1.122 albertel 2636: #original image file doesn't exist so check the alt attribute
2637: my $alt =
2638: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2639: unless ($alt) {
2640: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2641: }
2642:
1.256 albertel 2643: if ($alt) { $currentstring .= ' '.$alt.' '; }
1.59 sakharuk 2644: }
1.249 foxr 2645:
2646: # And here's where the semi-quote breaks down: allow the user
2647: # to edit the beast as well by rendering the problem for edit:
1.186 albertel 2648: } elsif ($target eq 'edit') {
2649: $currentstring .=&Apache::edit::tag_start($target,$token);
2650: $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
2651: &Apache::edit::browse('src',undef,'alt').' '.
2652: &Apache::edit::search('src',undef,'alt').'<br />';
2653: $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
2654: $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
2655: $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
2656: $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
2657: $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
1.234 albertel 2658: $currentstring .=&Apache::edit::select_arg('Alignment:','align',
2659: ['','bottom','middle','top','left','right'],$token,5);
1.249 foxr 2660: $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
2661: ['', 'parbox', 'parpic'], $token, 2);
1.186 albertel 2662: $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.249 foxr 2663: my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval);
2664: my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval);
2665: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
2666: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
2667:
2668:
1.186 albertel 2669: $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
2670: if ($width) { $currentstring.=' width="'.$width.'" '; }
2671: if ($height) { $currentstring.=' height="'.$height.'" '; }
2672: $currentstring .= ' />';
2673: } elsif ($target eq 'modified') {
1.210 albertel 2674: my ($osrc,$owidth,$oheight)=
2675: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2676: my $ctag=&Apache::edit::get_new_args($token,$parstack,
1.234 albertel 2677: $safeeval,'src','alt','align',
1.249 foxr 2678: 'TeXwidth','TeXheight', 'TeXwrap',
1.210 albertel 2679: 'width','height');
2680: my ($nsrc,$nwidth,$nheight)=
2681: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2682: my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
2683: &image_replication($loc);
2684: my ($iwidth,$iheight);
2685: if (-e $loc) {
2686: my $image = Image::Magick->new;
2687: $image->Read($loc);
2688: ($iwidth, $iheight) = ($image->Get('width'),
2689: $image->Get('height'));
2690: }
2691: if ($osrc ne $nsrc || (!$nwidth && !$nheight)) {
2692: # changed image or no size specified,
2693: # if they didn't explicitly change the
2694: # width or height use the ones from the image
2695: if ($iwidth && $iheight) {
2696: if ($owidth == $nwidth || (!$nwidth && !$nheight)) {
2697: $token->[2]{'width'} = $iwidth;$ctag=1;
2698: }
2699: if ($oheight == $nheight || (!$nwidth && !$nheight)) {
2700: $token->[2]{'height'}=$iheight;$ctag=1;
1.186 albertel 2701: }
2702: }
2703: }
1.210 albertel 2704: my ($cwidth,$cheight)=($token->[2]{'width'},$token->[2]{'height'});
2705: # if we don't have a width or height
2706: if ($iwidth && $cwidth && !$cheight) {
2707: $token->[2]{'height'}=int(($cwidth/$iwidth)*$iheight);$ctag=1;
2708: }
2709: if ($iheight && $cheight && !$cwidth) {
2710: $token->[2]{'width'}=int(($cheight/$iheight)*$iwidth);$ctag=1;
2711: }
2712: if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
1.122 albertel 2713: }
1.261 foxr 2714:
1.122 albertel 2715: return $currentstring;
2716: }
2717:
2718: sub end_img {
2719: my ($target,$token) = @_;
2720: my $currentstring = '';
2721: if ($target eq 'web') {
2722: $currentstring = $token->[2];
2723: } elsif ($target eq 'tex') {
2724: $currentstring = '';
2725: }
2726: return $currentstring;
2727: }
2728:
1.181 sakharuk 2729: #-- <applet> tag (end tag required)
1.122 albertel 2730: sub start_applet {
2731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2732:
2733: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
2734: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
2735:
2736: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2737: undef,1);
2738: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
2739:
2740: my $currentstring = '';
2741: if ($target eq 'web') {
1.267 albertel 2742: if ($env{'browser.appletsuppress'} ne 'on') {
1.250 albertel 2743: $currentstring = &Apache::lonenc::encrypt_ref($token,
2744: {'code'=>$code,
2745: 'archive'=>$archive}
2746: );
1.122 albertel 2747: } else {
2748: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2749: $safeeval,undef,1);
2750: unless ($alttag) {
2751: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2752: $code);
1.44 sakharuk 2753: }
1.122 albertel 2754: $currentstring='[APPLET: '.$alttag.']';
1.1 sakharuk 2755: }
1.122 albertel 2756: } elsif ($target eq 'tex') {
1.177 albertel 2757: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2758: $safeeval,undef,1);
2759: unless ($alttag) {
2760: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,
2761: undef,1);
2762: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2763: $code);
1.175 sakharuk 2764: }
1.177 albertel 2765: $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
2766: '.}\end{center}';
1.122 albertel 2767: }
2768: return $currentstring;
2769: }
2770:
2771: sub end_applet {
2772: my ($target,$token) = @_;
2773: my $currentstring = '';
2774: if ($target eq 'web') {
2775: $currentstring = $token->[2];
2776: } elsif ($target eq 'tex') {
2777: }
2778: return $currentstring;
2779: }
2780:
1.181 sakharuk 2781: #-- <embed> tag (end tag optional/required)
1.122 albertel 2782: sub start_embed {
2783: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2784: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2785: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
2786: my $currentstring = '';
2787: if ($target eq 'web') {
1.267 albertel 2788: if ($env{'browser.embedsuppress'} ne 'on') {
1.250 albertel 2789: $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
1.122 albertel 2790: } else {
2791: my $alttag=&Apache::lonxml::get_param
2792: ('alt',$parstack,$safeeval,undef,1);
2793: unless ($alttag) {
2794: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
1.42 albertel 2795: }
1.122 albertel 2796: $currentstring='[EMBED: '.$alttag.']';
1.10 www 2797: }
1.122 albertel 2798: } elsif ($target eq 'tex') {
2799: }
2800: return $currentstring;
2801: }
2802:
2803: sub end_embed {
2804: my ($target,$token) = @_;
2805: my $currentstring = '';
2806: if ($target eq 'web') {
2807: $currentstring = $token->[2];
1.175 sakharuk 2808: } elsif ($target eq 'tex') {
1.122 albertel 2809: }
2810: return $currentstring;
2811: }
2812:
1.181 sakharuk 2813: #-- <param> tag (end tag forbidden)
1.122 albertel 2814: sub start_param {
2815: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2816: if (&Apache::lonxml::get_param
2817: ('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
2818: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2819: &Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
2820: }
2821: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2822: &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2823: my $currentstring = '';
2824: if ($target eq 'web') {
1.250 albertel 2825: my %toconvert;
2826: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2827: if ($src) { $toconvert{'src'}= $src; }
2828: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval,
2829: undef,1);
1.251 albertel 2830: if ($name=~/^cabbase$/i) {
2831: $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack,
2832: $safeeval,undef,1);
2833: }
1.250 albertel 2834: $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert);
1.122 albertel 2835: } elsif ($target eq 'tex') {
2836: }
2837: return $currentstring;
2838: }
2839:
2840: sub end_param {
2841: my ($target,$token) = @_;
2842: my $currentstring = '';
2843: if ($target eq 'web') {
2844: $currentstring = $token->[2];
2845: } elsif ($target eq 'tex') {
2846: }
2847: return $currentstring;
2848: }
2849:
2850: #-- <allow> tag
2851: sub start_allow {
2852: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2853: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2854: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.138 www 2855: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
2856: &Apache::lonnet::clutter($src);
1.241 albertel 2857: if ($target eq 'tex') { &image_replication($src); }
1.122 albertel 2858: my $result;
2859: if ($target eq 'edit') {
2860: $result .=&Apache::edit::tag_start($target,$token);
2861: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
2862: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
2863: } elsif ($target eq 'modified') {
2864: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2865: $safeeval,'src');
2866: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2867: }
2868: return $result;
2869: }
2870:
2871: sub end_allow {
2872: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2873: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
2874: return '';
2875: }
1.119 www 2876:
1.181 sakharuk 2877: #-- Frames (end tag required)
2878: #-- <frameset>
1.122 albertel 2879: sub start_frameset {
2880: my ($target,$token) = @_;
1.277 foxr 2881: my $currentstring = ''; # Close any pending para.
1.122 albertel 2882: if ($target eq 'web') {
1.180 albertel 2883: if (!$Apache::lonxml::registered &&
1.267 albertel 2884: $env{'request.state'} eq 'published') {
1.122 albertel 2885: $currentstring.='<head>'.
2886: &Apache::lonmenu::registerurl(undef,$target).'</head>';
1.10 www 2887: }
1.133 www 2888: my $onLoad='';
2889: foreach my $key (keys(%{$token->[2]})) {
2890: if ($key =~ /^onload$/i) {
2891: $onLoad.=$token->[2]->{$key}.';';
2892: delete($token->[2]->{$key});
2893: }
2894: }
2895: $token->[2]->{'onload'}=&Apache::lonmenu::loadevents().';'.$onLoad;
2896: my $onUnload='';
2897: foreach my $key (keys(%{$token->[2]})) {
2898: if ($key =~ /^onunload$/i) {
2899: $onUnload.=$token->[2]->{$key}.';';
2900: delete($token->[2]->{$key});
2901: }
2902: }
2903: $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents().
2904: ';'.$onUnload;
2905:
2906: $currentstring .= '<'.$token->[1];
2907: foreach (keys %{$token->[2]}) {
2908: $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"';
2909: }
2910: $currentstring.='>';
1.122 albertel 2911: }
2912: return $currentstring;
2913: }
2914:
2915: sub end_frameset {
2916: my ($target,$token) = @_;
2917: my $currentstring = '';
2918: if ($target eq 'web') {
2919: $currentstring = $token->[2];
2920: }
2921: return $currentstring;
2922: }
1.162 sakharuk 2923:
1.181 sakharuk 2924: #-- <xmp> (end tag required)
1.162 sakharuk 2925: sub start_xmp {
2926: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2927: my $currentstring = '';
2928: if ($target eq 'web') {
2929: $currentstring .= $token->[4];
2930: } elsif ($target eq 'tex') {
2931: $currentstring .= '\begin{verbatim}';
2932: }
2933: return $currentstring;
2934: }
2935:
2936: sub end_xmp {
2937: my ($target,$token) = @_;
2938: my $currentstring = '';
2939: if ($target eq 'web') {
2940: $currentstring .= $token->[2];
2941: } elsif ($target eq 'tex') {
2942: $currentstring .= '\end{verbatim}';
2943: }
2944: return $currentstring;
2945: }
2946:
1.181 sakharuk 2947: #-- <pre> (end tag required)
1.122 albertel 2948: sub start_pre {
1.126 sakharuk 2949: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2950: my $currentstring = &end_p(); # close off pending <p>
1.122 albertel 2951: if ($target eq 'web') {
2952: $currentstring .= $token->[4];
2953: } elsif ($target eq 'tex') {
1.136 sakharuk 2954: $currentstring .= '\begin{verbatim}';
1.122 albertel 2955: }
2956: return $currentstring;
2957: }
2958:
2959: sub end_pre {
2960: my ($target,$token) = @_;
2961: my $currentstring = '';
2962: if ($target eq 'web') {
2963: $currentstring .= $token->[2];
2964: } elsif ($target eq 'tex') {
1.136 sakharuk 2965: $currentstring .= '\end{verbatim}';
1.122 albertel 2966: }
2967: return $currentstring;
2968: }
2969:
2970: #-- <insert>
2971: sub start_insert {
2972: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2973: my $currentstring = '';
2974: if ($target eq 'web') {
2975: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2976: $currentstring .= '<b>'.$display.'</b>';;
2977: }
2978: return $currentstring;
2979: }
2980:
2981: sub end_insert {
2982: my ($target,$token) = @_;
2983: my $currentstring = '';
2984: if ($target eq 'web') {
2985: $currentstring .= '';
2986: }
2987: return $currentstring;
2988: }
2989:
2990: #-- <externallink>
2991: sub start_externallink {
2992: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2993: my $currentstring = '';
2994: if ($target eq 'web') {
2995: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
2996: $currentstring .= '<b>'.$display.'</b>';;
2997: }
2998: return $currentstring;
2999: }
3000:
3001: sub end_externallink {
3002: my ($target,$token) = @_;
3003: my $currentstring = '';
3004: if ($target eq 'web') {
3005: $currentstring .= '';
3006: }
3007: return $currentstring;
3008: }
3009:
3010: #-- <blankspace heigth="">
3011: sub start_blankspace {
3012: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3013: my $currentstring = &end_p(); # closes off any unclosed <p>
1.122 albertel 3014: if ($target eq 'tex') {
3015: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
3016: $currentstring .= '\vskip '.$howmuch.' ';
3017: }
3018: return $currentstring;
3019: }
3020:
3021: sub end_blankspace {
3022: my ($target,$token) = @_;
3023: my $currentstring = '';
3024: if ($target eq 'tex') {
3025: $currentstring .= '';
3026: }
3027: return $currentstring;
3028: }
3029:
1.181 sakharuk 3030: #-- <abbr> tag (end tag required)
1.122 albertel 3031: sub start_abbr {
3032: my ($target,$token) = @_;
3033: my $currentstring = '';
3034: if ($target eq 'web') {
3035: $currentstring = $token->[4];
3036: }
3037: return $currentstring;
3038: }
3039:
3040: sub end_abbr {
3041: my ($target,$token) = @_;
3042: my $currentstring = '';
3043: if ($target eq 'web') {
3044: $currentstring = $token->[2];
3045: }
3046: return $currentstring;
3047: }
3048:
1.181 sakharuk 3049: #-- <acronym> tag (end tag required)
1.122 albertel 3050: sub start_acronym {
3051: my ($target,$token) = @_;
3052: my $currentstring = '';
3053: if ($target eq 'web') {
3054: $currentstring = $token->[4];
3055: }
3056: return $currentstring;
3057: }
3058:
3059: sub end_acronym {
3060: my ($target,$token) = @_;
3061: my $currentstring = '';
3062: if ($target eq 'web') {
3063: $currentstring = $token->[2];
3064: }
3065: return $currentstring;
3066: }
3067:
1.181 sakharuk 3068: #-- <area> tag (end tag forbidden)
1.122 albertel 3069: sub start_area {
3070: my ($target,$token) = @_;
3071: my $currentstring = '';
3072: if ($target eq 'web') {
3073: $currentstring = $token->[4];
3074: }
3075: return $currentstring;
3076: }
3077:
3078: sub end_area {
3079: my ($target,$token) = @_;
3080: my $currentstring = '';
3081: if ($target eq 'web') {
3082: $currentstring = $token->[2];
3083: }
3084: return $currentstring;
3085: }
3086:
1.181 sakharuk 3087: #-- <base> tag (end tag forbidden)
1.122 albertel 3088: sub start_base {
3089: my ($target,$token) = @_;
3090: my $currentstring = '';
3091: if ($target eq 'web') {
3092: $currentstring = $token->[4];
1.161 sakharuk 3093: }
1.122 albertel 3094: return $currentstring;
3095: }
3096:
3097: sub end_base {
3098: my ($target,$token) = @_;
3099: my $currentstring = '';
3100: if ($target eq 'web') {
3101: $currentstring = $token->[2];
3102: }
3103: return $currentstring;
3104: }
3105:
1.181 sakharuk 3106: #-- <bdo> tag (end tag required)
1.122 albertel 3107: sub start_bdo {
3108: my ($target,$token) = @_;
3109: my $currentstring = '';
3110: if ($target eq 'web') {
3111: $currentstring = $token->[4];
3112: }
3113: return $currentstring;
3114: }
3115:
3116: sub end_bdo {
3117: my ($target,$token) = @_;
3118: my $currentstring = '';
3119: if ($target eq 'web') {
3120: $currentstring = $token->[2];
3121: }
3122: return $currentstring;
3123: }
3124:
1.181 sakharuk 3125: #-- <bgsound> tag (end tag optional)
1.122 albertel 3126: sub start_bgsound {
3127: my ($target,$token) = @_;
3128: my $currentstring = '';
3129: if ($target eq 'web') {
3130: $currentstring = $token->[4];
3131: }
3132: return $currentstring;
3133: }
3134:
3135: sub end_bgsound {
3136: my ($target,$token) = @_;
3137: my $currentstring = '';
3138: if ($target eq 'web') {
3139: $currentstring = $token->[2];
3140: }
3141: return $currentstring;
3142: }
3143:
1.181 sakharuk 3144: #-- <blink> tag (end tag required)
1.122 albertel 3145: sub start_blink {
3146: my ($target,$token) = @_;
3147: my $currentstring = '';
3148: if ($target eq 'web') {
3149: $currentstring = $token->[4];
3150: }
3151: return $currentstring;
3152: }
3153:
3154: sub end_blink {
3155: my ($target,$token) = @_;
3156: my $currentstring = '';
3157: if ($target eq 'web') {
3158: $currentstring = $token->[2];
3159: }
3160: return $currentstring;
3161: }
3162:
1.181 sakharuk 3163: #-- <blockquote> tag (end tag required)
1.122 albertel 3164: sub start_blockquote {
3165: my ($target,$token) = @_;
1.279 foxr 3166: my $currentstring = &end_p(); # Close any unclosed <p>
1.122 albertel 3167: if ($target eq 'web') {
1.277 foxr 3168: $currentstring .= $token->[4];
1.122 albertel 3169: }
3170: return $currentstring;
3171: }
3172:
3173: sub end_blockquote {
3174: my ($target,$token) = @_;
3175: my $currentstring = '';
3176: if ($target eq 'web') {
3177: $currentstring = $token->[2];
3178: }
3179: return $currentstring;
3180: }
3181:
1.181 sakharuk 3182: #-- <button> tag (end tag required)
1.122 albertel 3183: sub start_button {
3184: my ($target,$token) = @_;
3185: my $currentstring = '';
3186: if ($target eq 'web') {
3187: $currentstring = $token->[4];
3188: }
3189: return $currentstring;
3190: }
3191:
3192: sub end_button {
3193: my ($target,$token) = @_;
3194: my $currentstring = '';
3195: if ($target eq 'web') {
3196: $currentstring = $token->[2];
3197: }
3198: return $currentstring;
3199: }
3200:
1.181 sakharuk 3201: #-- <caption> tag (end tag required)
1.122 albertel 3202: sub start_caption {
3203: my ($target,$token) = @_;
3204: my $currentstring = '';
3205: if ($target eq 'web') {
3206: $currentstring = $token->[4];
3207: }
3208: return $currentstring;
3209: }
3210:
3211: sub end_caption {
3212: my ($target,$token) = @_;
3213: my $currentstring = '';
3214: if ($target eq 'web') {
3215: $currentstring = $token->[2];
3216: }
3217: return $currentstring;
3218: }
3219:
1.181 sakharuk 3220: #-- <col> tag (end tag forbdden)
1.122 albertel 3221: sub start_col {
3222: my ($target,$token) = @_;
3223: my $currentstring = '';
3224: if ($target eq 'web') {
3225: $currentstring = $token->[4];
3226: }
3227: return $currentstring;
3228: }
3229:
3230: sub end_col {
3231: my ($target,$token) = @_;
3232: my $currentstring = '';
3233: if ($target eq 'web') {
3234: $currentstring = $token->[2];
3235: }
3236: return $currentstring;
3237: }
3238:
1.181 sakharuk 3239: #-- <colgroup> tag (end tag optional)
1.122 albertel 3240: sub start_colgroup {
3241: my ($target,$token) = @_;
3242: my $currentstring = '';
3243: if ($target eq 'web') {
3244: $currentstring = $token->[4];
3245: }
3246: return $currentstring;
3247: }
3248:
3249: sub end_colgroup {
3250: my ($target,$token) = @_;
3251: my $currentstring = '';
3252: if ($target eq 'web') {
3253: $currentstring = $token->[2];
3254: }
3255: return $currentstring;
3256: }
3257:
1.181 sakharuk 3258: #-- <del> tag (end tag required)
1.122 albertel 3259: sub start_del {
3260: my ($target,$token) = @_;
3261: my $currentstring = '';
3262: if ($target eq 'web') {
3263: $currentstring = $token->[4];
3264: }
3265: return $currentstring;
3266: }
3267:
3268: sub end_del {
3269: my ($target,$token) = @_;
3270: my $currentstring = '';
3271: if ($target eq 'web') {
3272: $currentstring = $token->[2];
3273: }
3274: return $currentstring;
3275: }
3276:
1.181 sakharuk 3277: #-- <fieldset> tag (end tag required)
1.122 albertel 3278: sub start_fieldset {
3279: my ($target,$token) = @_;
3280: my $currentstring = '';
3281: if ($target eq 'web') {
3282: $currentstring = $token->[4];
3283: }
3284: return $currentstring;
3285: }
3286:
3287: sub end_fieldset {
3288: my ($target,$token) = @_;
3289: my $currentstring = '';
3290: if ($target eq 'web') {
3291: $currentstring = $token->[2];
3292: }
3293: return $currentstring;
3294: }
3295:
1.181 sakharuk 3296: #-- <frame> tag (end tag forbidden)
1.122 albertel 3297: sub start_frame {
3298: my ($target,$token) = @_;
3299: my $currentstring = '';
3300: if ($target eq 'web') {
3301: $currentstring = $token->[4];
3302: }
3303: return $currentstring;
3304: }
3305:
3306: sub end_frame {
3307: my ($target,$token) = @_;
3308: my $currentstring = '';
3309: if ($target eq 'web') {
3310: $currentstring = $token->[2];
3311: }
3312: return $currentstring;
3313: }
3314:
1.181 sakharuk 3315: #-- <iframe> tag (end tag required)
1.122 albertel 3316: sub start_iframe {
3317: my ($target,$token) = @_;
3318: my $currentstring = '';
3319: if ($target eq 'web') {
3320: $currentstring = $token->[4];
3321: }
3322: return $currentstring;
3323: }
3324:
3325: sub end_iframe {
3326: my ($target,$token) = @_;
3327: my $currentstring = '';
3328: if ($target eq 'web') {
3329: $currentstring = $token->[2];
3330: }
3331: return $currentstring;
3332: }
3333:
1.181 sakharuk 3334: #-- <ins> tag (end tag required)
1.122 albertel 3335: sub start_ins {
3336: my ($target,$token) = @_;
3337: my $currentstring = '';
3338: if ($target eq 'web') {
3339: $currentstring = $token->[4];
3340: }
3341: return $currentstring;
3342: }
3343:
3344: sub end_ins {
3345: my ($target,$token) = @_;
3346: my $currentstring = '';
3347: if ($target eq 'web') {
3348: $currentstring = $token->[2];
3349: }
3350: return $currentstring;
3351: }
3352:
1.181 sakharuk 3353: #-- <isindex> tag (end tag forbidden)
1.122 albertel 3354: sub start_isindex {
3355: my ($target,$token) = @_;
3356: my $currentstring = '';
3357: if ($target eq 'web') {
3358: $currentstring = $token->[4];
3359: }
3360: return $currentstring;
3361: }
3362:
3363: sub end_isindex {
3364: my ($target,$token) = @_;
3365: my $currentstring = '';
3366: if ($target eq 'web') {
3367: $currentstring = $token->[2];
3368: }
3369: return $currentstring;
3370: }
3371:
1.181 sakharuk 3372: #-- <keygen> tag (end tag forbidden)
1.122 albertel 3373: sub start_keygen {
3374: my ($target,$token) = @_;
3375: my $currentstring = '';
3376: if ($target eq 'web') {
3377: $currentstring = $token->[4];
3378: }
3379: return $currentstring;
3380: }
3381:
3382: sub end_keygen {
3383: my ($target,$token) = @_;
3384: my $currentstring = '';
3385: if ($target eq 'web') {
3386: $currentstring = $token->[2];
3387: }
3388: return $currentstring;
3389: }
3390:
3391: #-- <label> tag
3392: sub start_label {
3393: my ($target,$token) = @_;
3394: my $currentstring = '';
3395: if ($target eq 'web') {
3396: $currentstring = $token->[4];
3397: }
3398: return $currentstring;
3399: }
3400:
3401: sub end_label {
3402: my ($target,$token) = @_;
3403: my $currentstring = '';
3404: if ($target eq 'web') {
3405: $currentstring = $token->[2];
3406: }
3407: return $currentstring;
3408: }
3409:
1.181 sakharuk 3410: #-- <layer> tag (end tag required)
1.122 albertel 3411: sub start_layer {
3412: my ($target,$token) = @_;
3413: my $currentstring = '';
3414: if ($target eq 'web') {
3415: $currentstring = $token->[4];
3416: }
3417: return $currentstring;
3418: }
3419:
3420: sub end_layer {
3421: my ($target,$token) = @_;
3422: my $currentstring = '';
3423: if ($target eq 'web') {
3424: $currentstring = $token->[2];
3425: }
3426: return $currentstring;
3427: }
3428:
1.181 sakharuk 3429: #-- <legend> tag (end tag required)
1.122 albertel 3430: sub start_legend {
3431: my ($target,$token) = @_;
3432: my $currentstring = '';
3433: if ($target eq 'web') {
3434: $currentstring = $token->[4];
3435: }
3436: return $currentstring;
3437: }
3438:
3439: sub end_legend {
3440: my ($target,$token) = @_;
3441: my $currentstring = '';
3442: if ($target eq 'web') {
3443: $currentstring = $token->[2];
3444: }
3445: return $currentstring;
3446: }
3447:
1.181 sakharuk 3448: #-- <link> tag (end tag forbidden)
1.122 albertel 3449: sub start_link {
3450: my ($target,$token) = @_;
3451: my $currentstring = '';
3452: if ($target eq 'web') {
3453: $currentstring = $token->[4];
3454: }
3455: return $currentstring;
3456: }
3457:
3458: sub end_link {
3459: my ($target,$token) = @_;
3460: my $currentstring = '';
3461: if ($target eq 'web') {
3462: $currentstring = $token->[2];
3463: }
3464: return $currentstring;
3465: }
3466:
1.181 sakharuk 3467: #-- <marquee> tag (end tag optional)
1.122 albertel 3468: sub start_marquee {
3469: my ($target,$token) = @_;
3470: my $currentstring = '';
3471: if ($target eq 'web') {
3472: $currentstring = $token->[4];
3473: }
3474: return $currentstring;
3475: }
3476:
3477: sub end_marquee {
3478: my ($target,$token) = @_;
3479: my $currentstring = '';
3480: if ($target eq 'web') {
3481: $currentstring = $token->[2];
3482: }
3483: return $currentstring;
3484: }
3485:
1.179 sakharuk 3486: #-- <multicol> tag (end tag required)
3487: sub start_multicol {
1.122 albertel 3488: my ($target,$token) = @_;
1.279 foxr 3489: my $currentstring = &end_p(); # Close any pending <p>
1.122 albertel 3490: if ($target eq 'web') {
1.277 foxr 3491: $currentstring .= $token->[4];
1.122 albertel 3492: }
3493: return $currentstring;
3494: }
3495:
1.179 sakharuk 3496: sub end_multicol {
1.122 albertel 3497: my ($target,$token) = @_;
3498: my $currentstring = '';
3499: if ($target eq 'web') {
3500: $currentstring = $token->[2];
3501: }
3502: return $currentstring;
3503: }
3504:
1.179 sakharuk 3505: #-- <nobr> tag (end tag required)
1.122 albertel 3506: sub start_nobr {
3507: my ($target,$token) = @_;
3508: my $currentstring = '';
3509: if ($target eq 'web') {
3510: $currentstring = $token->[4];
1.179 sakharuk 3511: } elsif ($target eq 'tex') {
3512: $currentstring='\mbox{';
3513: }
1.122 albertel 3514: return $currentstring;
3515: }
3516:
3517: sub end_nobr {
3518: my ($target,$token) = @_;
3519: my $currentstring = '';
3520: if ($target eq 'web') {
3521: $currentstring = $token->[2];
1.179 sakharuk 3522: } elsif ($target eq 'tex') {
3523: $currentstring='}';
3524: }
1.122 albertel 3525: return $currentstring;
3526: }
3527:
1.179 sakharuk 3528: #-- <noembed> tag (end tag required)
1.122 albertel 3529: sub start_noembed {
3530: my ($target,$token) = @_;
3531: my $currentstring = '';
3532: if ($target eq 'web') {
3533: $currentstring = $token->[4];
3534: }
3535: return $currentstring;
3536: }
3537:
3538: sub end_noembed {
3539: my ($target,$token) = @_;
3540: my $currentstring = '';
3541: if ($target eq 'web') {
3542: $currentstring = $token->[2];
3543: }
3544: return $currentstring;
3545: }
3546:
1.179 sakharuk 3547: #-- <noframes> tag (end tag required)
1.122 albertel 3548: sub start_noframes {
3549: my ($target,$token) = @_;
3550: my $currentstring = '';
3551: if ($target eq 'web') {
3552: $currentstring = $token->[4];
3553: }
3554: return $currentstring;
3555: }
3556:
3557: sub end_noframes {
3558: my ($target,$token) = @_;
3559: my $currentstring = '';
3560: if ($target eq 'web') {
3561: $currentstring = $token->[2];
3562: }
3563: return $currentstring;
3564: }
3565:
1.179 sakharuk 3566: #-- <nolayer> tag (end tag required)
1.122 albertel 3567: sub start_nolayer {
3568: my ($target,$token) = @_;
3569: my $currentstring = '';
3570: if ($target eq 'web') {
3571: $currentstring = $token->[4];
3572: }
3573: return $currentstring;
3574: }
3575:
3576: sub end_nolayer {
3577: my ($target,$token) = @_;
3578: my $currentstring = '';
3579: if ($target eq 'web') {
3580: $currentstring = $token->[2];
3581: }
3582: return $currentstring;
3583: }
3584:
1.179 sakharuk 3585: #-- <noscript> tag (end tag required)
1.122 albertel 3586: sub start_noscript {
3587: my ($target,$token) = @_;
3588: my $currentstring = '';
3589: if ($target eq 'web') {
3590: $currentstring = $token->[4];
3591: }
3592: return $currentstring;
3593: }
3594:
3595: sub end_noscript {
3596: my ($target,$token) = @_;
3597: my $currentstring = '';
3598: if ($target eq 'web') {
3599: $currentstring = $token->[2];
3600: }
3601: return $currentstring;
3602: }
3603:
1.179 sakharuk 3604: #-- <object> tag (end tag required)
1.122 albertel 3605: sub start_object {
3606: my ($target,$token) = @_;
3607: my $currentstring = '';
3608: if ($target eq 'web') {
3609: $currentstring = $token->[4];
3610: }
3611: return $currentstring;
3612: }
3613:
3614: sub end_object {
3615: my ($target,$token) = @_;
3616: my $currentstring = '';
3617: if ($target eq 'web') {
3618: $currentstring = $token->[2];
3619: }
3620: return $currentstring;
3621: }
3622:
1.179 sakharuk 3623: #-- <optgroup> tag (end tag required)
1.122 albertel 3624: sub start_optgroup {
3625: my ($target,$token) = @_;
3626: my $currentstring = '';
3627: if ($target eq 'web') {
3628: $currentstring = $token->[4];
3629: }
3630: return $currentstring;
3631: }
3632:
3633: sub end_optgroup {
3634: my ($target,$token) = @_;
3635: my $currentstring = '';
3636: if ($target eq 'web') {
3637: $currentstring = $token->[2];
3638: }
3639: return $currentstring;
3640: }
3641:
1.179 sakharuk 3642: #-- <samp> tag (end tag required)
1.122 albertel 3643: sub start_samp {
3644: my ($target,$token) = @_;
3645: my $currentstring = '';
3646: if ($target eq 'web') {
3647: $currentstring = $token->[4];
1.179 sakharuk 3648: } elsif ($target eq 'tex') {
3649: $currentstring='\texttt{';
3650: }
1.122 albertel 3651: return $currentstring;
3652: }
3653:
3654: sub end_samp {
3655: my ($target,$token) = @_;
3656: my $currentstring = '';
3657: if ($target eq 'web') {
3658: $currentstring = $token->[2];
1.179 sakharuk 3659: } elsif ($target eq 'tex') {
3660: $currentstring='}';
3661: }
1.122 albertel 3662: return $currentstring;
3663: }
3664:
3665: #-- <server> tag
3666: sub start_server {
3667: my ($target,$token) = @_;
3668: my $currentstring = '';
3669: if ($target eq 'web') {
3670: $currentstring = $token->[4];
3671: }
3672: return $currentstring;
3673: }
3674:
3675: sub end_server {
3676: my ($target,$token) = @_;
3677: my $currentstring = '';
3678: if ($target eq 'web') {
3679: $currentstring = $token->[2];
3680: }
3681: return $currentstring;
3682: }
3683:
1.179 sakharuk 3684: #-- <spacer> tag (end tag forbidden)
1.122 albertel 3685: sub start_spacer {
3686: my ($target,$token) = @_;
1.279 foxr 3687: my $currentstring = &end_p(); # Close off any open <p> tag.
1.122 albertel 3688: if ($target eq 'web') {
1.277 foxr 3689: $currentstring .= $token->[4];
1.122 albertel 3690: }
3691: return $currentstring;
3692: }
3693:
3694: sub end_spacer {
3695: my ($target,$token) = @_;
3696: my $currentstring = '';
3697: if ($target eq 'web') {
3698: $currentstring = $token->[2];
3699: }
3700: return $currentstring;
3701: }
3702:
1.179 sakharuk 3703: #-- <span> tag (end tag required)
1.122 albertel 3704: sub start_span {
3705: my ($target,$token) = @_;
3706: my $currentstring = '';
3707: if ($target eq 'web') {
3708: $currentstring = $token->[4];
3709: }
3710: return $currentstring;
3711: }
3712:
3713: sub end_span {
3714: my ($target,$token) = @_;
3715: my $currentstring = '';
3716: if ($target eq 'web') {
3717: $currentstring = $token->[2];
3718: }
3719: return $currentstring;
3720: }
3721:
1.179 sakharuk 3722: #-- <tbody> tag (end tag optional)
1.122 albertel 3723: sub start_tbody {
3724: my ($target,$token) = @_;
3725: my $currentstring = '';
3726: if ($target eq 'web') {
3727: $currentstring = $token->[4];
3728: }
3729: return $currentstring;
3730: }
3731:
3732: sub end_tbody {
3733: my ($target,$token) = @_;
3734: my $currentstring = '';
3735: if ($target eq 'web') {
3736: $currentstring = $token->[2];
3737: }
3738: return $currentstring;
3739: }
3740:
1.166 sakharuk 3741: #-- <tfoot> tag (end tag optional)
1.122 albertel 3742: sub start_tfoot {
3743: my ($target,$token) = @_;
3744: my $currentstring = '';
3745: if ($target eq 'web') {
3746: $currentstring = $token->[4];
3747: }
3748: return $currentstring;
3749: }
3750:
3751: sub end_tfoot {
3752: my ($target,$token) = @_;
3753: my $currentstring = '';
3754: if ($target eq 'web') {
3755: $currentstring = $token->[2];
3756: }
3757: return $currentstring;
3758: }
3759:
1.166 sakharuk 3760: #-- <thead> tag (end tag optional)
1.122 albertel 3761: sub start_thead {
3762: my ($target,$token) = @_;
3763: my $currentstring = '';
3764: if ($target eq 'web') {
3765: $currentstring = $token->[4];
3766: }
3767: return $currentstring;
3768: }
1.10 www 3769:
1.122 albertel 3770: sub end_thead {
3771: my ($target,$token) = @_;
3772: my $currentstring = '';
3773: if ($target eq 'web') {
3774: $currentstring = $token->[2];
3775: }
3776: return $currentstring;
3777: }
1.119 www 3778:
1.122 albertel 3779: #-- <var> tag
3780: sub start_var {
1.44 sakharuk 3781: my ($target,$token) = @_;
3782: my $currentstring = '';
3783: if ($target eq 'web') {
1.122 albertel 3784: $currentstring = $token->[4];
1.163 sakharuk 3785: } elsif ($target eq 'tex') {
3786: $currentstring = '\textit{';
3787: }
1.44 sakharuk 3788: return $currentstring;
3789: }
1.10 www 3790:
1.122 albertel 3791: sub end_var {
3792: my ($target,$token) = @_;
1.44 sakharuk 3793: my $currentstring = '';
3794: if ($target eq 'web') {
1.163 sakharuk 3795: $currentstring = $token->[2];
3796: } elsif ($target eq 'tex') {
3797: $currentstring = '}';
1.44 sakharuk 3798: }
3799: return $currentstring;
3800: }
1.119 www 3801:
1.163 sakharuk 3802: #-- <wbr> tag (end tag forbidden)
1.122 albertel 3803: sub start_wbr {
3804: my ($target,$token) = @_;
3805: my $currentstring = '';
3806: if ($target eq 'web') {
3807: $currentstring = $token->[4];
3808: }
3809: return $currentstring;
1.98 albertel 3810: }
3811:
1.122 albertel 3812: sub end_wbr {
3813: my ($target,$token) = @_;
3814: my $currentstring = '';
3815: if ($target eq 'web') {
3816: $currentstring = $token->[2];
3817: }
3818: return $currentstring;
1.98 albertel 3819: }
1.134 sakharuk 3820:
3821: #-- <hideweboutput> tag
3822: sub start_hideweboutput {
3823: my ($target,$token) = @_;
3824: if ($target eq 'web') {
3825: &Apache::lonxml::startredirection();
3826: }
3827: return '';
3828: }
3829:
3830: sub end_hideweboutput {
3831: my ($target,$token) = @_;
3832: my $currentstring = '';
3833: if ($target eq 'web') {
3834: $currentstring = &Apache::lonxml::endredirection();
3835: }
3836: return '';
3837: }
3838:
1.94 sakharuk 3839:
3840: sub image_replication {
3841: my $src = shift;
1.187 albertel 3842: if (not -e $src) { &Apache::lonnet::repcopy($src); }
3843: #replicates eps or ps
3844: my $epssrc = my $pssrc = $src;
3845: $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
3846: $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
3847: if (not -e $epssrc && not -e $pssrc) {
3848: my $result=&Apache::lonnet::repcopy($epssrc);
1.264 raeburn 3849: if ($result ne 'ok') { &Apache::lonnet::repcopy($pssrc); }
1.94 sakharuk 3850: }
3851: return '';
1.195 sakharuk 3852: }
1.275 foxr 3853: #
3854: # Get correct sizing parameter for an image given
3855: # it's initial ht. and wid. This allows sizing of
3856: # images that are generated on-the-fly (e.g. gnuplot)
3857: # as well as serving as a utility for image_size.
3858: #
3859: # Parameter:
3860: # height_param
3861: # width_param - Initial picture dimensions.
3862: # scaling - A scale factor.
3863: # parstack, - the current stack of tag attributes
3864: # from the xml parser
3865: # safeeval, - pointer to the safespace
3866: # depth, - from what level in the stack to look for attributes
3867: # (assumes -1 if unspecified)
3868: # cis - look for attrubutes case insensitively
3869: # (assumes false)
3870: #
3871: # Returns:
3872: # height, width - new dimensions.
3873: #
3874: sub resize_image {
3875: my ($height_param, $width_param, $scaling,
3876: $parstack, $safeeval, $depth, $cis) = @_;
3877:
3878: # First apply the scaling...
1.271 foxr 3879:
1.275 foxr 3880: $height_param = $height_param * $scaling;
3881: $width_param = $width_param * $scaling;
1.261 foxr 3882:
1.197 sakharuk 3883: #do we have any specified LaTeX size of the picture?
1.261 foxr 3884: my $toget='TeXwidth';
3885: if ($cis) {
3886: $toget=lc($toget);
3887: }
1.256 albertel 3888: my $TeXwidth = &Apache::lonxml::get_param($toget,$parstack,
3889: $safeeval,$depth,$cis);
3890: $toget='TeXheight'; if ($cis) { $toget=lc($toget); }
3891: my $TeXheight = &Apache::lonxml::get_param($toget,$parstack,
3892: $safeeval,$depth,$cis);
1.197 sakharuk 3893: #do we have any specified web size of the picture?
3894: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1.256 albertel 3895: $depth,1);
3896: if ($TeXwidth) {
1.252 matthew 3897: my $old_width_param=$width_param;
1.197 sakharuk 3898: if ($TeXwidth=~/(\d+)\s*\%/) {
1.267 albertel 3899: $width_param = $1*$env{'form.textwidth'}/100;
1.197 sakharuk 3900: } else {
3901: $width_param = $TeXwidth;
3902: }
1.266 albertel 3903: if ($TeXheight) {
3904: $height_param = $TeXheight;
3905: } elsif ($old_width_param) {
3906: $height_param=$TeXwidth/$old_width_param*$height_param;
3907: }
1.256 albertel 3908: } elsif ($TeXheight) {
1.248 foxr 3909: $height_param = $TeXheight;
1.266 albertel 3910: if ($height_param) {
3911: $width_param = $TeXheight/$height_param*$width_param;
3912: }
1.256 albertel 3913: } elsif ($width) {
1.252 matthew 3914: my $old_width_param=$width_param;
1.256 albertel 3915: $width_param = $width*$scaling;
1.266 albertel 3916: if ($old_width_param) {
3917: $height_param=$width_param/$old_width_param*$height_param;
3918: }
1.252 matthew 3919: }
1.267 albertel 3920: if ($width_param > $env{'form.textwidth'}) {
1.252 matthew 3921: my $old_width_param=$width_param;
1.267 albertel 3922: $width_param =0.95*$env{'form.textwidth'};
1.266 albertel 3923: if ($old_width_param) {
3924: $height_param=$width_param/$old_width_param*$height_param;
3925: }
1.197 sakharuk 3926: }
1.275 foxr 3927:
3928: return ($height_param, $width_param);
3929: }
3930:
3931: sub image_size {
3932: my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_;
3933:
3934: #size of image from gif/jpg/jpeg/png
3935: my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
3936: if (-e $ressrc) {
3937: $src = $ressrc;
3938: }
3939: my $image = Image::Magick->new;
3940: my $current_figure = $image->Read($src);
3941: my $width_param = $image->Get('width');
3942: my $height_param = $image->Get('height');
3943: &Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param");
3944: undef($image);
3945:
3946: ($height_param, $width_param) = &resize_image($height_param, $width_param,
3947: $scaling, $parstack, $safeeval,
3948: $depth, $cis);
3949:
1.248 foxr 3950: return ($height_param, $width_param);
3951: }
3952:
3953: sub image_width {
3954: my ($height, $width) = &image_size(@_);
3955: return $width;
3956: }
3957: # Not yet 100% sure this is correct in all circumstances..
3958: # due to my uncertainty about mods to image_size.
3959: #
3960: sub image_height {
3961: my ($height, $width) = &image_size(@_);
3962: return $height;
1.197 sakharuk 3963: }
3964:
1.256 albertel 3965: sub get_eps_image {
3966: my ($src)=@_;
1.261 foxr 3967: my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
1.275 foxr 3968: &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
1.282 foxr 3969: my ($spath, $sname, $sext) = fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);
1.256 albertel 3970: $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;
3971: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.275 foxr 3972: &Apache::lonxml::debug("Filelocation gives: $src");
1.256 albertel 3973: if (! -e $src) {
1.261 foxr 3974: &Apache::lonxml::debug("$src does not exist");
1.264 raeburn 3975: if (&Apache::lonnet::repcopy($src) ne 'ok' ) {
1.261 foxr 3976: &Apache::lonxml::debug("Repcopy of $src failed (1)");
1.256 albertel 3977: #if replication failed try to find ps file
3978: $src=~s/\.eps$/\.ps/;
1.261 foxr 3979: &Apache::lonxml::debug("Now looking for $src");
1.270 foxr 3980: #if no ps file try to replicate it.
3981: my $didrepcopy = &Apache::lonnet::repcopy($src);
3982: &Apache::lonxml::debug("repcopy of $src ... $didrepcopy");
3983: if ( (not -e $src) ||
3984: ($didrepcopy ne 'ok')) {
1.261 foxr 3985: &Apache::lonxml::debug("Failed to find or replicate $src");
3986:
1.256 albertel 3987: #if replication failed try to produce eps file dynamically
3988: $src=~s/\.ps$/\.eps/;
3989: my $temp_file;
1.267 albertel 3990: open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.256 albertel 3991: my $newsrc=$orig_src;
3992: $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
1.275 foxr 3993: &Apache::lonxml::debug("queueing $newsrc for dynamic eps production.");
1.256 albertel 3994: print FILE "$newsrc\n";
1.261 foxr 3995: close FILE;
1.256 albertel 3996: $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
3997: $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
1.283 albertel 3998: if ($sext ne "") { # Put the ext. back in to uniquify.
3999: $src =~ s/\.eps$/$sext.eps/;
4000: }
1.256 albertel 4001: }
4002: }
4003: }
4004: my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
1.261 foxr 4005: &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
1.256 albertel 4006: return ($path.'/',$file);
4007: }
4008:
1.195 sakharuk 4009: sub eps_generation {
4010: my ($src,$file,$width_param) = @_;
1.267 albertel 4011: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.195 sakharuk 4012: my $temp_file = Apache::File->new('>>'.$filename);
4013: print $temp_file "$src\n";
4014: my $newsrc = $src;
4015: $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
4016: $newsrc=~s/\/home\/httpd\/html\/res//;
4017: $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
4018: $newsrc=~s/\/\.\//\//;
4019: $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
1.213 sakharuk 4020: if ($newsrc=~/\/home\/httpd\/lonUsers\//) {
4021: $newsrc=~s/\/home\/httpd\/lonUsers//;
4022: $newsrc=~s/\/([^\/]+)\/(\w)\/(\w)\/(\w)\//\/$1\//;
4023: }
1.239 sakharuk 4024: if ($newsrc=~/\/userfiles\//) {
4025: return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4026: } else {
4027: return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4028: }
1.197 sakharuk 4029: }
4030:
4031: sub file_path {
4032: my $src=shift;
4033: my ($file,$path);
4034: if ($src =~ m!(.*)/([^/]*)$!) {
4035: $file = $2;
4036: $path = $1.'/';
4037: }
4038: return $file,$path;
1.126 sakharuk 4039: }
4040:
4041: sub recalc {
4042: my $argument = shift;
4043: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
1.132 sakharuk 4044: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
1.126 sakharuk 4045: my $value=$1;
4046: my $units=$2;
4047: if ($units eq 'cm') {
4048: $value*=10;
4049: } elsif ($units eq 'in') {
4050: $value*=25.4;
4051: } elsif ($units eq 'pc') {
4052: $value*=(25.4*12/72.27);
4053: } elsif ($units eq 'pt') {
4054: $value*=(25.4/72.27);
4055: }
4056: return $value.' mm';
1.94 sakharuk 4057: }
1.184 sakharuk 4058:
4059: sub LATEX_length {
4060: my $garbage=shift;
1.206 sakharuk 4061: $garbage=~s/^\s+$//;
4062: $garbage=~s/^\s+(\S.*)/$1/;#space before
4063: $garbage=~s/(.*\S)\s+$/$1/;#space after
4064: $garbage=~s/(\s)+/$1/;#only one space
4065: $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
4066: $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
4067: $garbage=~s/([^\\])\$/$1/g;#$
4068: $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
4069: $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 4070: $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;
4071: $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;
4072: $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 4073: $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;
4074: $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;
4075: $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
4076: #remove some other LaTeX command
4077: $garbage=~s|\\(\w+)\\|\\|g;
4078: $garbage=~s|\\(\w+)(\s*)|$2|g;
4079: $garbage=~s|\+|11|g;
1.184 sakharuk 4080: my $value=length($garbage);
4081: return $value;
4082: }
4083:
4084:
4085:
1.94 sakharuk 4086:
1.1 sakharuk 4087: 1;
4088: __END__
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