--- loncom/xml/londefdef.pm 2011/10/01 03:19:06 1.434 +++ loncom/xml/londefdef.pm 2023/10/06 17:48:55 1.456.2.6.2.2 @@ -1,8 +1,7 @@ - # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.434 2011/10/01 03:19:06 raeburn Exp $ +# $Id: londefdef.pm,v 1.456.2.6.2.2 2023/10/06 17:48:55 raeburn Exp $ # # # Copyright Michigan State University Board of Trustees @@ -56,7 +55,7 @@ use LONCAPA(); BEGIN { - &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')); + &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','style','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput')); } @@ -93,6 +92,26 @@ sub start_m { my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); if ($target eq 'web' || $target eq 'analyze') { &Apache::lonxml::debug("M is starting with:$inside:"); + if (!($inside =~ /^\s*\$.*\$\s*$/ || $inside =~ /^\s*\\[([].*\\[)\]]\s*$/)) { + # Non-math LaTeX will not be rendered correctly with MathJax + # and it should be avoided anyway. + # On top of that, MathJax will render math without $, but + # it will fail with tth. This is worth a warning. + # (even though some people might just use latex for printing) + &Apache::lonxml::warning(&mt('Missing $ in [_1].','<m>')); + } elsif (($env{'browser.type'} eq 'safari') && ($env{'form.editxmltext'}) && + (($env{'form.problemmode'} eq 'view') || ($env{'form.problemmode'} eq 'discard'))) { + my $delimiter; + if ($inside =~ /\$$/) { + $delimiter = '$'; + } elsif ($inside =~ /\\([)\]])$/) { + $delimiter = $1; + } + if ($delimiter) { + &Apache::lonxml::warning(&mt('Insert a space between [_1] and [_2].', + $delimiter,'</m>')); + } + } my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); if ($eval eq 'on') { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); @@ -348,7 +367,7 @@ sub start_title { $Apache::londefdef::title = &Apache::lonxml::get_all_text('/title',$parser,$style); } elsif ($target eq 'tex') { - $currentstring .= '\keephidden{Title of the document: ' + $currentstring .= '\keephidden{Title of the document: '; } if ($target eq 'meta') { $currentstring=''; @@ -459,6 +478,32 @@ sub insert_meta { <meta />'; } +#-- <start> tag +sub start_style { + my ($target, $token, $tagstack, $parstack, $parser, $safeeval, $style) = @_; + my $currentstring = ''; + + if ($target eq 'tex') { + Apache::lonxml::startredirection(); + } else { + $currentstring = $token->[4]; + } + + return $currentstring; +} + +sub end_style { + my ($target, $token, $tagstack, $parstack, $parser, $safeeval) = @_; + my $currentstring = ''; + + if ($target eq 'tex') { + Apache::lonxml::endredirection(); + } else { + $currentstring = $token->[2]; + } + return $currentstring; +} + # accessrule sub start_accessrule { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; @@ -545,9 +590,10 @@ sub start_body { # Breadcrumbs &Apache::lonhtmlcommon::clear_breadcrumbs(); if ($env{'request.state'} eq 'construct') { + my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'}); &Apache::lonhtmlcommon::add_breadcrumb({ - 'text' => 'Construction Space', - 'href' => &Apache::loncommon::authorspace(), + 'text' => 'Authoring Space', + 'href' => &Apache::loncommon::authorspace($url), }); &Apache::lonhtmlcommon::add_breadcrumb({ 'text' => 'HTML Editor', @@ -559,26 +605,37 @@ sub start_body { # FIXME Where are we? } + my $args = {'add_entries' => $token->[2], + 'force_register' => 1,}; + if ($target eq 'web') { + $args->{'print_suppress'} = 1; + if ($env{'request.use_absolute'}) { + $args->{'use_absolute'} = $env{'request.use_absolute'}; + } + if ($env{'form.only_body'}) { + $args->{'only_body'} = 1; + } + } $currentstring = &Apache::loncommon::start_page($Apache::londefdef::title, $Apache::londefdef::head - .$extra_head, - {'add_entries' => $token->[2], -# 'no_title' => 1, - 'force_register' => 1}); - + .$extra_head,$args); my $header = ''; if ($env{'request.state'} ne 'published' && $env{'request.state'} ne 'construct') { $header=&Apache::lonmenu::constspaceform(); } if ($env{'request.state'} ne 'published') { - $header.=&Apache::londefdef::edit_controls(); + unless ($env{'form.inhibitmenu'} eq 'yes') { + $header.=&edit_controls(); + } } if ($env{'request.state'} eq 'construct') { - $currentstring.=&Apache::loncommon::head_subbox( - &Apache::loncommon::CSTR_pageheader() - .$header); + unless ($env{'form.inhibitmenu'} eq 'yes') { + $currentstring.=&Apache::loncommon::head_subbox( + &Apache::loncommon::CSTR_pageheader() + .$header); + } } elsif ($env{'request.state'} eq 'edit') { $currentstring.=&Apache::loncommon::head_subbox($header); } @@ -605,12 +662,39 @@ sub edit_controls { $result .= ' <div><input type="submit" name="editmode" accesskey="e" value="'.&mt('Edit').'" />'; if (($env{'request.course.id'}) && ($env{'form.forceedit'})) { - my $viewtext = &mt('Course View'); - if (&Apache::loncommon::course_type() eq 'Community') { - $viewtext = &mt('Community View'); + my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'}); + if ($url =~ /\.html?$/i) { + my ($cdom,$cnum); + if ($env{'request.course.id'}) { + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if ($env{'request.filename'} =~ m{/userfiles/supplemental/default|\d+/}) { + if (&Apache::lonnet::is_course_upload($env{'request.filename'}, + $cnum,$cdom)) { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['folderpath','title']); + } + } + } + my ($symb,$itemtitle,$displayfile,$caller); + if ($url =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/}) { + $itemtitle = &mt('Syllabus'); + $caller = "/public/$cdom/$cnum/syllabus"; + } else { + $caller = $url; + ($symb,$itemtitle,$displayfile) = + &Apache::lonxml::get_courseupload_hierarchy($url, + $env{'form.folderpath'}, + $env{'form.title'}); + } + if (($symb ne '') || ($env{'httpref.'.$url} ne '') || + ($url =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/})) { + $result .= (' ' x 3). + &Apache::lonhtmlcommon::dependencies_button()."\n". + &Apache::lonhtmlcommon::dependencycheck_js($symb, + $itemtitle,$url,$env{'form.folderpath'},$caller)."\n"; + } } - $result .= (' ' x 3).'<input type="button" value="'. - $viewtext.'" onclick="javascript:location.href=currentURL" />'; } $result .= '</div> </div> @@ -751,7 +835,7 @@ sub end_h1 { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { my $post='\vskip 0 mm '; - my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); + my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1)); if ($align eq 'center') { $post='\end{center}'; } elsif ($align eq 'left') { @@ -1671,6 +1755,15 @@ sub start_a { if (!&Apache::lonnet::allowed('bre',$linkurl)) { if (&Apache::lonnet::is_on_map($url)) { &Apache::lonxml::extlink($linkurl); + } elsif ($env{'request.course.id'}) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if ($linkurl =~ m{^([^/]|/uploaded/$cdom/$cnum/(docs|supplemental)/)}) { + my $cleanhref = &clean_docs_httpref($linkurl,$url,$cdom,$cnum); + if ($cleanhref) { + &Apache::lonxml::extlink($cleanhref); + } + } } } } @@ -1993,8 +2086,8 @@ sub end_dt { sub item_cleanup { my $item=&Apache::lonxml::endredirection(); - $item=~s/\\begin{center}//g; - $item=~s/\\end{center}//g; + $item=~s/\\begin\{center}//g; + $item=~s/\\end\{center}//g; return $item; } @@ -2683,7 +2776,9 @@ sub start_img { my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style); return ''; } - &Apache::lonxml::extlink($src); + unless ($src =~ m{^data\:image/gif;base64,}) { + &Apache::lonxml::extlink($src); + } my $currentstring = ''; my $scaling = .3; @@ -2693,8 +2788,10 @@ sub start_img { my $enc = ('yes' eq lc(&Apache::lonxml::get_param('encrypturl',$parstack, $safeeval))); - $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}, - $enc); + unless ($src =~ m{^data\:image/gif;base64,}) { + $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}, + $enc); + } # and render unto TeX that which is LaTeX } elsif ($target eq 'tex') { @@ -2737,7 +2834,7 @@ sub start_img { # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src"); - #if original bmp/gif/jpg/png file exist do following: + #if original bmp/gif/jpg/png/svg file exist do following: my $origsrc=$src; my ($path,$file) = &get_eps_image($src); # &Apache::lonnet::logthis("Image source: $src result: $path $file"); @@ -2971,22 +3068,47 @@ sub end_embed { #-- <param> tag (end tag forbidden) sub start_param { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; - if (&Apache::lonxml::get_param('name',$parstack, - $safeeval,undef,1)=~/^cabbase$/i) { + my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval, + undef,1); + if ($name =~/^cabbase$/i) { my $value=&Apache::lonxml::get_param('value',$parstack, $safeeval,undef,1); &Apache::lonxml::extlink($value); - } - + } elsif ($name eq 'flashvars') { + if (lc(&Apache::lonxml::get_param('type',$parstack,$safeeval,-2,1)) + eq 'application/x-shockwave-flash') { + my $launcher = + &Apache::lonxml::get_param('data',$parstack,$safeeval,-2,1); + if ($launcher) { + &Apache::lonxml::extlink($launcher); + } + my $flashvars=&Apache::lonxml::get_param('value',$parstack, + $safeeval,undef,1); + if ($flashvars ne '') { + foreach my $item (split(/\&/,$flashvars)) { + my ($key,$value)=split(/=/,$item,2); + if ($key eq 'content') { + if ($value ne '') { + my ($dir) = ($launcher =~ m{(.+/)[^/]+$}); + &Apache::lonxml::extlink($dir.$value); + } + } elsif ($key eq 'thumb') { + if ($value ne '') { + &Apache::lonxml::extlink($value); + } + } + } + } + } + } my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); - &Apache::lonxml::extlink($src); + if ($src ne '') { + &Apache::lonxml::extlink($src); + } my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { my %toconvert; - my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); if ($src) { $toconvert{'src'}= $src; } - my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval, - undef,1); if ($name=~/^cabbase$/i) { $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack, $safeeval,undef,1); @@ -3148,12 +3270,12 @@ sub end_externallink { return $currentstring; } -#-- <blankspace heigth=""> +#-- <blankspace height=""> sub start_blankspace { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = &end_p(); # closes off any unclosed <p> if ($target eq 'tex') { - my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1); + my $howmuch = &Apache::lonxml::get_param('height',$parstack,$safeeval,undef,1); $currentstring .= '\vskip '.$howmuch.' '; } return $currentstring; @@ -3351,7 +3473,7 @@ sub start_caption { my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4]; - } + } return $currentstring; } @@ -3359,7 +3481,7 @@ sub end_caption { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - $currentstring = $token->[2]; + $currentstring = $token->[2]; } return $currentstring; } @@ -3492,8 +3614,68 @@ sub start_iframe { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - $currentstring = $token->[4]; - } + my ($src,$url,$query); + if ($token->[2]->{'src'}) { + $src = $token->[2]->{'src'}; + } elsif ($token->[2]->{'SRC'}) { + $src = $token->[2]->{'SRC'}; + } + if ($src) { + ($url,$query) = ($src =~ /^([^?]+)\??([^?]*)$/); + if ($query =~ /inhibitmenu=yes/) { + $currentstring = $token->[4]; + } else { + my $inhibit; + if ($url =~ m{^[^/.].*\.x?html?$}) { + $inhibit = 1; + } elsif ($url =~ m{^/(uploaded|res)/.*\.x?html?$}) { + $inhibit = 1; + } + if ($inhibit) { + $currentstring = '<iframe '; + foreach my $attrib (@{$token->[3]}) { + if (lc($attrib) eq 'src') { + if ($query) { + $query.='&inhibitmenu=yes'; + } else { + $query = 'inhibitmenu=yes'; + } + $currentstring .= 'src="'.$url.'?'.$query.'" '; + } else { + $currentstring .= lc($attrib).'="'.$token->[2]->{$attrib}.'" '; + } + } + $currentstring =~ s/\s+$//; + if ($token->[4] =~ m{/>$}) { + $currentstring .= ' />'; + } else { + $currentstring .= '>'; + } + } else { + $currentstring = $token->[4]; + } + } + if (($url !~ m{^https?://}) && ($env{'request.course.id'})) { + my $docuri = &Apache::lonnet::hreflocation('',$env{'request.filename'}); + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if ($url =~ m{^([^/]|/uploaded/)}) { + my $cleanhref = &clean_docs_httpref($url,$docuri,$cdom,$cnum); + if ($cleanhref) { + &Apache::lonxml::extlink($cleanhref); + } + } elsif (($url =~ m{/res/$LONCAPA::domain_re/}) && ($docuri =~ m{^\Q/uploaded/$cdom/$cnum/docs/\E})) { + if (!&Apache::lonnet::allowed('bre',$url)) { + if (&Apache::lonnet::is_on_map($url)) { + &Apache::lonxml::extlink($url); + } + } + } + } + } else { + $currentstring = $token->[4]; + } + } return $currentstring; } @@ -4099,10 +4281,10 @@ sub resize_image { $height_param=$TeXwidth/$old_width_param*$height_param; } } elsif ($TeXheight) { - $height_param = $TeXheight; if ($height_param) { $width_param = $TeXheight/$height_param*$width_param; } + $height_param = $TeXheight; } elsif ($width) { my $old_width_param=$width_param; $width_param = $width*$scaling; @@ -4166,8 +4348,8 @@ sub get_eps_image { &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal. } &Apache::lonxml::debug("get_eps_image: Original image: $orig_src"); - my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg)/i); - $src=~s/\.(bmp|gif|png|jpg|jpeg)$/\.eps/i; + my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg|svg)/i); + $src=~s/\.(bmp|gif|png|jpg|jpeg|svg)$/\.eps/i; $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); &Apache::lonxml::debug("Filelocation gives: $src"); if (! -e $src) { @@ -4194,7 +4376,7 @@ sub get_eps_image { close(FILE); } $src=~s|/home/httpd/html/res|/home/httpd/prtspool|; - $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|; + $src=~s|/home/httpd/html/priv/[^/]+/([^/]*)/|/home/httpd/prtspool/$1/|; if ($sext ne "") { # Put the ext. back in to uniquify. $src =~ s/\.eps$/$sext.eps/; } @@ -4213,7 +4395,7 @@ sub get_eps_image { print FILE "$src\n"; close FILE; $src=~s|/home/httpd/html/res|/home/httpd/prtspool|; - $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|; + $src=~s|/home/httpd/html/priv/[^/]+/([^/]*)/|/home/httpd/prtspool/$1/|; } my ($path,$file)=($src=~m|(.*)/([^/]*)$|); $path =~ s/ /\_/g; @@ -4232,7 +4414,7 @@ sub eps_generation { my $newsrc = $src; $newsrc =~ s/(\.bmp|\.gif|\.jpg|\.jpeg)$/\.eps/i; $newsrc=~s{/home/httpd/html/res}{}; - $newsrc=~s{/home/($LONCAPA::username_re)/public_html/}{/$1/}; + $newsrc=~s{/home/httpd/html/priv/[^/]+/($LONCAPA::username_re)/}{/$1/}; $newsrc=~s{/\./}{/}; $newsrc=~s{/([^/]+)\.(ps|eps)}{/}; if ($newsrc=~m{/home/httpd/lonUsers/}) { @@ -4281,17 +4463,17 @@ sub LATEX_length { $garbage=~s/^\s+(\S.*)/$1/;#space before $garbage=~s/(.*\S)\s+$/$1/;#space after $garbage=~s/(\s)+/$1/;#only one space - $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...} - $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$ + $garbage=~s/(\\begin\{([^\}]+)}|\\end\{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...} + $garbage=~s/(\$\_\{|\$\_|\$\^\{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$ $garbage=~s/([^\\])\$/$1/g;#$ - $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...} + $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^\{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...} $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; $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; $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; $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; $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; $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; - $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g; + $garbage=~s/(\\hat\{([^}]+)}|\\check\{([^}]+)}|\\dot\{([^}]+)}|\\breve\{([^}]+)}|\\acute\{([^}]+)}|\\ddot\{([^}]+)}|\\grave\{([^}]+)}|\\tilde\{([^}]+)}|\\mathring\{([^}]+)}|\\bar\{([^}]+)}|\\vec\{([^}]+)})/$1/g; #remove some other LaTeX command $garbage=~s|\\(\w+)\\|\\|g; $garbage=~s|\\(\w+)(\s*)|$2|g; @@ -4393,40 +4575,34 @@ sub latex_header { ($mode eq 'batchmode')) {$currentstring .='\batchmode';} $currentstring .= '\newcommand{\keephidden}[1]{}'. '\renewcommand{\deg}{$^{\circ}$}'. - '\usepackage{multirow}'. - '\usepackage{longtable}'. - '\usepackage{textcomp}'. - '\usepackage{makeidx}'. - '\usepackage[dvips]{graphicx}'. - '\usepackage{wrapfig}'. - '\usepackage{picins}'. + '\usepackage{multirow}'."\n". + '\usepackage{longtable}'."\n". + '\usepackage{textcomp}'."\n". + '\usepackage{makeidx}'."\n". + '\usepackage[dvips]{graphicx}'."\n". + '\usepackage{wrapfig}'."\n". + '\usepackage{picins}'."\n". '\usepackage[T1]{fontenc}'."\n". '\usepackage{lmodern}'."\n". '\usepackage[postscript]{ucs}'."\n". '\usepackage[utf8x]{inputenc}'."\n". - '\usepackage{pifont}' ."\n". + '\usepackage{pifont}'."\n". '\usepackage{latexsym}'."\n". - '\usepackage{epsfig}'. - "\\usepackage{xtab}\n". - "\\usepackage{tabularx}\n". - "\\usepackage{booktabs}\n". - "\\usepackage{array}\n". - "\\usepackage{colortbl}\n". - "\\usepackage{xcolor}\n". - '\usepackage{calc}'. - '\usepackage{amsmath}'. - '\usepackage{soul}', - '\usepackage{amssymb}'. - '\usepackage{amsfonts}'. - '\usepackage{amsthm}'. - '\usepackage{amscd}' - .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm - '\usepackage[T1]{fontenc}'."\n". - '\usepackage{lmodern}'."\n". - '\usepackage[postscript]{ucs}'."\n". - '\usepackage[utf8x]{inputenc}'."\n". - '\usepackage{pifont}' . "\n"; - + '\usepackage{epsfig}'."\n". + '\usepackage{xtab}'."\n". + '\usepackage{tabularx}'."\n". + '\usepackage{booktabs}'."\n". + '\usepackage{array}'."\n". + '\usepackage{colortbl}'."\n". + '\usepackage{xcolor}'."\n". + '\usepackage{calc}'."\n". + '\usepackage{amsmath}'."\n". + '\usepackage{soul}'."\n". + '\usepackage{amssymb}'."\n". + '\usepackage{amsfonts}'."\n". + '\usepackage{amsthm}'."\n". + '\usepackage{amscd}'."\n". + '\usepackage{actuarialangle}'."\n"; if($env{'form.pdfFormFields'} eq 'yes') { $currentstring .= '\usepackage{hyperref}'. '\usepackage{eforms}'. @@ -4441,6 +4617,62 @@ sub latex_header { } +sub clean_docs_httpref { + my ($href,$docuri,$cdom,$cnum) = @_; + if ($docuri eq '') { + $docuri = &Apache::lonnet::hreflocation('',$env{'request.filename'}); + } + if ($cdom eq '') { + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + if ($cnum eq '') { + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + } + my $cleanhref; + if ($docuri =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/)(.+/)[^/]+$}) { + my $prefix = $1; + my $relpath = $2; + my ($hrefpath,$fname); + if ($href =~ m{^/}) { + if ($href =~ m{^\Q$prefix\E(.+/)([^/]+)$}) { + $hrefpath = $1; + $fname = $2; + } else { + return $cleanhref; + } + } else { + if ($href =~ m{/}) { + (my $path,$fname) = ($href =~ m{^(.*)/([^/]*)$}); + $hrefpath = $relpath.$path; + if ($path eq '') { + $hrefpath =~ s{/$}{}; + } + } else { + $fname = $href; + $hrefpath = $relpath; + $hrefpath =~ s{/$}{}; + } + } + if ($fname ne '') { + my $cleanrelpath; + foreach my $dir (split(/\//,$hrefpath)) { + next if ($dir eq '.'); + if ($dir eq '..') { + $cleanrelpath =~ s{([^/]+/)$}{}; + } else { + $cleanrelpath .= $dir.'/'; + } + } + if ($cleanrelpath ne '') { + $cleanhref = $prefix.$cleanrelpath.$fname; + } else { + $cleanhref = $prefix.$fname; + } + } + } + return $cleanhref; +} + =pod =head1 NAME @@ -4535,7 +4767,23 @@ described at http://www.lon-capa.org. I'm in a table.... } - +=item clean_docs_httpref($href,$docuri,$cdom,$cnum) + HTML pages uploaded to a course which contain dependencies either from iframes, + javascript files or objects (FlashPlayerSwf, MediaSrc, XMPSrc, ConfigurationSrc, + and PosterImageSrc) for which dependency is another file uploaded to the same + course. + + Required input: + href - dependency (either a relative URL, or an absolute URL) + Optional inputs: + docuri - URL of HTML page containing the dependency + cdom - Course domain + cnum - CourseID + + Output: + returns an absolute URL constructed from the href provided, and the calling context. + (this will be null, if the URL does not begin: /uploaded/$cdom/$cnum/docs/ or + /uploaded/$cdom/$cnum/supplemental/). =back