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version 1.1, 2000/06/19 15:52:29
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version 1.69, 2001/05/04 16:10:17
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Line 1
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| package Apache::lonxml; |
# The LearningOnline Network with CAPA |
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# XML Parser Module |
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# |
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# last modified 06/26/00 by Alexander Sakharuk |
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# 11/6 Gerd Kortemeyer |
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# 6/1/1 Gerd Kortemeyer |
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# 2/21,3/13 Guy |
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# 3/29,5/4 Gerd Kortemeyer |
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|
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package Apache::lonxml; |
| |
use vars |
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qw(@pwd @outputstack $redirection $import @extlinks $metamode); |
| use strict; |
use strict; |
| use HTML::TokeParser; |
use HTML::TokeParser; |
| use Safe; |
use Safe; |
| |
use Safe::Hole; |
| |
use Opcode; |
| use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
| use Apache::lontexconvert; |
|
| |
|
| |
|
| #======================================================= Main subroutine: xmlparse |
sub xmlbegin { |
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my $output=''; |
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if ($ENV{'browser.mathml'}) { |
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$output='<?xml version="1.0"?>' |
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.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>' |
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.'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
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.'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>' |
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.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
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.'xmlns="http://www.w3.org/TR/REC-html40">'; |
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} else { |
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$output='<html>'; |
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} |
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return $output; |
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} |
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|
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sub xmlend { |
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return '</html>'; |
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} |
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|
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sub registerurl { |
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return (<<ENDSCRIPT); |
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<script language="JavaScript"> |
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function LONCAPAreg() { |
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if (window.location.pathname!="/res/adm/pages/menu.html") { |
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menu=window.open("","LONCAPAmenu"); |
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menu.currentURL=window.location.pathname; |
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menu.currentStale=0; |
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} |
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} |
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|
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function LONCAPAstale() { |
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if (window.location.pathname!="/res/adm/pages/menu.html") { |
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menu=window.open("","LONCAPAmenu"); |
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menu.currentStale=1; |
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} |
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} |
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</script> |
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ENDSCRIPT |
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} |
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|
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sub loadevents() { |
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return 'LONCAPAreg();'; |
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} |
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|
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sub unloadevents() { |
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return 'LONCAPAstale();'; |
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} |
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|
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sub register { |
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my $space; |
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my @taglist; |
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my $temptag; |
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($space,@taglist) = @_; |
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foreach $temptag (@taglist) { |
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$Apache::lonxml::alltags{$temptag}=$space; |
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} |
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} |
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|
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sub printalltags { |
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my $temp; |
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foreach $temp (sort keys %Apache::lonxml::alltags) { |
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&Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}"); |
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} |
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} |
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use Apache::style; |
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use Apache::run; |
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use Apache::londefdef; |
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use Apache::scripttag; |
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use Apache::edit; |
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#================================================== Main subroutine: xmlparse |
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@pwd=(); |
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@outputstack = (); |
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$redirection = 0; |
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$import = 1; |
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@extlinks=(); |
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$metamode = 0; |
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|
| sub xmlparse { |
sub xmlparse { |
| |
|
| my ($target,$content_file_string,%style_for_target) = @_; |
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
| my $pars = HTML::TokeParser->new(\$content_file_string); |
if ($target eq 'meta') { |
| my $currentstring = ''; |
# meta mode is a bit weird only some output is to be turned off |
| my $finaloutput = ''; |
#<output> tag turns metamode off (defined in londefdef.pm) |
| my $newarg = ''; |
$Apache::lonxml::redirection = 0; |
| my $tempostring = ''; |
$Apache::lonxml::metamode = 1; |
| my $tempocont = ''; |
$Apache::lonxml::import = 0; |
| my $safeeval = new Safe; |
} elsif ($target eq 'grade') { |
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&startredirection; |
| #------------------------- Redefinition of the target in the case of compound target |
$Apache::lonxml::metamode = 0; |
| ($target, my @tenta) = split('&&',$target); |
$Apache::lonxml::import = 1; |
| #------------------------------ Stack definition (in stack we have all current tags) |
} else { |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::import = 1; |
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} |
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#&printalltags(); |
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my @pars = (); |
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@Apache::lonxml::pwd=(); |
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my $pwd=$ENV{'request.filename'}; |
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$pwd =~ s:/[^/]*$::; |
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&newparser(\@pars,\$content_file_string,$pwd); |
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my $currentstring = ''; |
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my $finaloutput = ''; |
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my $newarg = ''; |
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my $result; |
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|
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my $safeeval = new Safe; |
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my $safehole = new Safe::Hole; |
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$safeeval->permit("entereval"); |
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$safeeval->permit(":base_math"); |
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$safeeval->deny(":base_io"); |
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$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
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#need to inspect this class of ops |
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# $safeeval->deny(":base_orig"); |
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$safeinit .= ';$external::target='.$target.';'; |
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$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
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&Apache::run::run($safeinit,$safeeval); |
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#-------------------- Redefinition of the target in the case of compound target |
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|
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($target, my @tenta) = split('&&',$target); |
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|
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my @stack = (); |
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my @parstack = (); |
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&initdepth; |
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my $token; |
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while ( $#pars > -1 ) { |
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while ($token = $pars[$#pars]->get_token) { |
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if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
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if ($metamode<1) { $result=$token->[1]; } |
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} elsif ($token->[0] eq 'PI') { |
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if ($metamode<1) { $result=$token->[2]; } |
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} elsif ($token->[0] eq 'S') { |
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# add tag to stack |
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push (@stack,$token->[1]); |
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# add parameters list to another stack |
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push (@parstack,&parstring($token)); |
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&increasedepth($token); |
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if (exists $style_for_target{$token->[1]}) { |
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if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&recurse($style_for_target{$token->[1]},$target,$safeeval, |
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\%style_for_target,@parstack); |
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} else { |
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$finaloutput .= &recurse($style_for_target{$token->[1]},$target, |
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$safeeval,\%style_for_target,@parstack); |
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} |
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} else { |
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$result = &callsub("start_$token->[1]", $target, $token,\@parstack, |
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\@pars, $safeeval, \%style_for_target); |
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} |
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} elsif ($token->[0] eq 'E') { |
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#clear out any tags that didn't end |
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while ($token->[1] ne $stack[$#stack] && ($#stack > -1)) { |
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&Apache::lonxml::warning("Unbalanced tags in resource $stack['-1']"); |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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|
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if (exists $style_for_target{'/'."$token->[1]"}) { |
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if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&recurse($style_for_target{'/'."$token->[1]"}, |
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$target,$safeeval,\%style_for_target,@parstack); |
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} else { |
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$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
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$target,$safeeval,\%style_for_target, |
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@parstack); |
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} |
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|
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} else { |
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$result = &callsub("end_$token->[1]", $target, $token, \@parstack, |
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\@pars,$safeeval, \%style_for_target); |
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} |
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} else { |
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&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
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} |
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#evaluate variable refs in result |
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if ($result ne "") { |
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if ( $#parstack > -1 ) { |
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if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&Apache::run::evaluate($result,$safeeval,$parstack[$#parstack]); |
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} else { |
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$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
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$parstack[$#parstack]); |
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} |
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} else { |
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$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
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} |
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$result = ''; |
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} |
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if ($token->[0] eq 'E') { |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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} |
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pop @pars; |
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pop @Apache::lonxml::pwd; |
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} |
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|
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# if ($target eq 'meta') { |
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# $finaloutput.=&endredirection; |
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# } |
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|
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if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
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$finaloutput=&afterburn($finaloutput); |
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} |
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|
| my @stack = (); |
return $finaloutput; |
| my @parstack = (); |
} |
| |
|
| #------------------------------------------ Parse input string (content_file_string) |
|
| |
|
| my $token; |
|
| |
|
| while ($token = $pars->get_token) { |
sub recurse { |
| if ($token->[0] eq 'T') { |
|
| $finaloutput .= $token->[1]; |
my @innerstack = (); |
| $tempocont .= $token->[1]; |
my @innerparstack = (); |
| } elsif ($token->[0] eq 'S') { |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
| #------------------------------------------------------------------ add tag to stack |
my @pat = (); |
| push (@stack,$token->[1]); |
&newparser(\@pat,\$newarg); |
| #---------------------------------------------- add parameters list to another stack |
my $tokenpat; |
| map {$tempostring .= "$_=$token->[2]->{$_},"} @{$token->[3]}; |
my $partstring = ''; |
| push (@parstack,$tempostring); |
my $output=''; |
| $tempostring = ''; |
my $decls=''; |
| $tempocont = ''; |
while ( $#pat > -1 ) { |
| |
while ($tokenpat = $pat[$#pat]->get_token) { |
| if (exists $style_for_target{$token->[1]}) { |
if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) { |
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if ($metamode<1) { $partstring=$tokenpat->[1]; } |
| #--------------------------------------------------------- use style file definition |
} elsif ($tokenpat->[0] eq 'PI') { |
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if ($metamode<1) { $partstring=$tokenpat->[2]; } |
| $newarg = $style_for_target{$token->[1]}; |
} elsif ($tokenpat->[0] eq 'S') { |
| |
push (@innerstack,$tokenpat->[1]); |
| if (index($newarg,'script') != -1 ) { |
push (@innerparstack,&parstring($tokenpat)); |
| my $pat = HTML::TokeParser->new(\$newarg); |
&increasedepth($tokenpat); |
| my $tokenpat; |
$partstring = &callsub("start_$tokenpat->[1]", |
| my $partstring = ''; |
$target, $tokenpat, \@innerparstack, |
| my $oustring = ''; |
\@pat, $safeeval, $style_for_target); |
| my $outputstring; |
} elsif ($tokenpat->[0] eq 'E') { |
| |
#clear out any tags that didn't end |
| while ($tokenpat = $pat->get_token) { |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
| if ($tokenpat->[0] eq 'T') { |
&& ($#innerstack > -1)) { |
| $oustring .= $tokenpat->[1]; |
&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); |
| } elsif ($tokenpat->[0] eq 'S') { |
pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat); |
| if ($tokenpat->[1] eq 'script') { |
} |
| while ($tokenpat = $pat->get_token and $tokenpat->[1] ne 'script') { |
$partstring = &callsub("end_$tokenpat->[1]", |
| if ($tokenpat->[0] eq 'S') { |
$target, $tokenpat, \@innerparstack, |
| $partstring .= $tokenpat->[4]; |
\@pat, $safeeval, $style_for_target); |
| } elsif ($tokenpat->[0] eq 'T') { |
} else { |
| $partstring .= $tokenpat->[1]; |
&Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:"); |
| } elsif ($tokenpat->[0] eq 'E') { |
} |
| $partstring .= $tokenpat->[2]; |
#pass both the variable to the style tag, and the tag we |
| } |
#are processing inside the <definedtag> |
| } |
if ( $partstring ne "" ) { |
| |
if ( $#parstack > -1 ) { |
| map {$partstring =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
if ( $#innerparstack > -1 ) { |
| |
$decls= $parstack[$#parstack].$innerparstack[$#innerparstack]; |
| &run($partstring,$safeeval); |
} else { |
| $partstring = ''; |
$decls= $parstack[$#parstack]; |
| } elsif ($tokenpat->[1] eq 'evaluate') { |
} |
| $outputstring = &evaluate($tokenpat->[2]{expression},$safeeval); |
} else { |
| $oustring .= $outputstring; |
if ( $#innerparstack > -1 ) { |
| } else { |
$decls=$innerparstack[$#innerparstack]; |
| $oustring .= $tokenpat->[4]; |
} else { |
| } |
$decls=''; |
| } elsif ($tokenpat->[0] eq 'E' and $tokenpat->[1] ne 'evaluate') { |
} |
| $oustring .= $tokenpat->[1]; |
} |
| } |
$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
| } |
$partstring = ''; |
| $newarg = $oustring; |
} |
| } else { |
if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; |
| map {$newarg =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
&decreasedepth($tokenpat);} |
| } |
} |
| $finaloutput .= $newarg; |
pop @pat; |
| } else { |
pop @Apache::lonxml::pwd; |
| #----------------------------------------------------- use default definition of tag |
} |
| my $sub="start_$token->[1]"; |
return $output; |
| |
} |
| { |
|
| no strict 'refs'; |
sub callsub { |
| if (defined (&$sub)) { |
my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_; |
| $currentstring = &$sub($target,$token,\@parstack); |
my $currentstring=''; |
| $finaloutput .= $currentstring; |
{ |
| $currentstring = ''; |
my $sub1; |
| } else { |
no strict 'refs'; |
| $finaloutput .= $token->[4]; |
if ($target eq 'edit' && $token->[0] eq 'S') { |
| } |
$currentstring = &Apache::edit::tag_start($target,$token,$parstack,$parser, |
| use strict 'refs'; |
$safeeval,$style); |
| } |
} |
| } |
my $tag=$token->[1]; |
| } elsif ($token->[0] eq 'E') { |
my $space=$Apache::lonxml::alltags{$tag}; |
| pop @stack; |
if (!$space) { |
| unless (exists $style_for_target{$token->[1]}) { |
$tag=~tr/A-Z/a-z/; |
| my $sub="end_$token->[1]"; |
$sub=~tr/A-Z/a-z/; |
| { |
$space=$Apache::lonxml::alltags{$tag} |
| no strict 'refs'; |
} |
| if (defined (&$sub)) { |
if ($space) { |
| $currentstring = &$sub($target,$token,\@parstack); |
&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
| $finaloutput .= $currentstring; |
$sub1="$space\:\:$sub"; |
| $currentstring = ''; |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
| } else { |
$currentstring .= &$sub1($target,$token,$parstack,$parser, |
| $finaloutput .= $token->[4]; |
$safeeval,$style); |
| } |
} else { |
| use strict 'refs'; |
&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
| } |
if ($metamode <1) { |
| } |
if (defined($token->[4]) && ($metamode < 1)) { |
| #------------------------------------------------------- end tag from the style file |
$currentstring .= $token->[4]; |
| if (exists $style_for_target{'/'."$token->[1]"}) { |
} else { |
| $newarg = $style_for_target{'/'."$token->[1]"}; |
$currentstring .= $token->[2]; |
| my @very_temp = split(',',@parstack[$#parstack]); |
|
| map {my @ret= split('=',$_); $newarg =~ s/\$$ret[0]/$ret[1]/g; } @very_temp; |
|
| $finaloutput .= $newarg; |
|
| } |
|
| pop @parstack; |
|
| } |
} |
| |
} |
| |
} |
| |
if ($target eq 'edit' && $token->[0] eq 'E') { |
| |
$currentstring .= &Apache::edit::tag_end($target,$token,$parstack,$parser, |
| |
$safeeval,$style); |
| } |
} |
| return $finaloutput; |
use strict 'refs'; |
| |
} |
| |
return $currentstring; |
| } |
} |
| |
|
| |
sub startredirection { |
| |
$Apache::lonxml::redirection++; |
| |
push (@Apache::lonxml::outputstack, ''); |
| |
} |
| |
|
| #================================================================== style subroutine |
sub endredirection { |
| |
if (!$Apache::lonxml::redirection) { |
| |
&Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuggin information:".join ":",caller); |
| |
return ''; |
| |
} |
| |
$Apache::lonxml::redirection--; |
| |
pop @Apache::lonxml::outputstack; |
| |
} |
| |
|
| sub styleparser { |
sub initdepth { |
| |
@Apache::lonxml::depthcounter=(); |
| |
$Apache::lonxml::depth=-1; |
| |
$Apache::lonxml::olddepth=-1; |
| |
} |
| |
|
| my ($target,$content_style_string) = @_; |
sub increasedepth { |
| |
my ($token) = @_; |
| |
$Apache::lonxml::depth++; |
| |
$Apache::lonxml::depthcounter[$Apache::lonxml::depth]++; |
| |
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
| |
$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
| |
} |
| |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
| |
&Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"); |
| |
#print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"; |
| |
} |
| |
|
| #------------------------------------------------ target redefinition (if necessary) |
sub decreasedepth { |
| |
my ($token) = @_; |
| my @target_string = ''; |
$Apache::lonxml::depth--; |
| my $element; |
if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) { |
| |
$#Apache::lonxml::depthcounter--; |
| ($element,@target_string) = split ('&&',$target); |
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
| |
} |
| map {$content_style_string =~ s/\<(.*)$_\>/\<$1$element\>/g; } @target_string; |
if ( $Apache::lonxml::depth < -1) { |
| |
&Apache::lonxml::warning("Unbalanced tags in resource"); |
| $target = $element; |
$Apache::lonxml::depth='-1'; |
| |
} |
| #------------------------------------------------- create a table for defined target |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
| #---------------------------------------------- from the information from Style File |
&Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"); |
| |
#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
| my @value_style = (); |
} |
| my $current_key = ''; |
|
| my $current_value = ''; |
|
| |
|
| my $pstyle = HTML::TokeParser->new(\$content_style_string); |
|
| |
|
| my $stoken; |
|
| |
|
| while ($stoken = $pstyle->get_token) { |
|
| #---------------------------------------------------------- start for tag definition |
|
| if ($stoken->[0] eq 'S' and $stoken->[1] eq 'definetag') { |
|
| #------------------------------------------------------------------- new key in hash |
|
| $current_key = $stoken->[2]{name}; |
|
| if ($target eq 'meta') { |
|
| #-------------------------------------------------- reserved for the metadate output |
|
| |
|
| |
|
| } else { |
|
| #-------------------------------------------------------------------- outtext output |
|
| while ($stoken = $pstyle->get_token and $stoken->[1] ne 'outtext') { |
|
| } |
|
| while ($stoken = $pstyle->get_token and $stoken->[0] ne 'S') { |
|
| $current_value .= $stoken->[1]; |
|
| } |
|
| while ($stoken->[1] ne 'definetag') { |
|
| if ($stoken->[0] eq 'S' and $stoken->[1] eq $target) { |
|
| while ($stoken = $pstyle->get_token) { |
|
| if ($stoken->[1] ne $target) { |
|
| if ($stoken->[0] eq 'S') { |
|
| $current_value .= $stoken->[4]; |
|
| } |
|
| if ($stoken->[0] eq 'E') { |
|
| $current_value .= $stoken->[2]; |
|
| } |
|
| if ($stoken->[0] eq 'T') { |
|
| $current_value .= $stoken->[1]; |
|
| } |
|
| } else { |
|
| last; |
|
| } |
|
| } |
|
| } elsif ($stoken->[0] eq 'S' and $stoken->[1] ne $target) { |
|
| while ($stoken = $pstyle->get_token and $stoken->[0] ne 'E') { |
|
| } |
|
| } |
|
| |
|
| while ($stoken = $pstyle->get_token) { |
|
| if ($stoken->[0] eq 'T') { |
|
| $current_value .= $stoken->[1]; |
|
| } |
|
| if ($stoken->[0] eq 'E') { |
|
| last; |
|
| } |
|
| if ($stoken->[0] eq 'S') { |
|
| last; |
|
| } |
|
| } |
|
| |
|
| } |
|
| } |
|
| |
|
| } |
|
| push (@value_style,lc $current_key,$current_value); |
|
| $current_key = ''; |
|
| $current_value = ''; |
|
| |
|
| } |
sub get_all_text { |
| |
|
| my %style_for_target = @value_style; |
|
| |
|
| #-------------------------------------------------------------------- check printing |
|
| # while (($current_key,$current_value) = each %style_for_target) { |
|
| # print "$current_key => $current_value\n"; |
|
| # } |
|
| |
|
| return %style_for_target; |
my($tag,$pars)= @_; |
| |
my $depth=0; |
| |
my $token; |
| |
my $result=''; |
| |
if ( $tag =~ m:^/: ) { |
| |
my $tag=substr($tag,1); |
| |
# &Apache::lonxml::debug("have:$tag:"); |
| |
while (($depth >=0) && ($token = $pars->get_token)) { |
| |
# &Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]"); |
| |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
| |
$result.=$token->[1]; |
| |
} elsif ($token->[0] eq 'PI') { |
| |
$result.=$token->[2]; |
| |
} elsif ($token->[0] eq 'S') { |
| |
if ($token->[1] eq $tag) { $depth++; } |
| |
$result.=$token->[4]; |
| |
} elsif ($token->[0] eq 'E') { |
| |
if ( $token->[1] eq $tag) { $depth--; } |
| |
#skip sending back the last end tag |
| |
if ($depth > -1) { $result.=$token->[2]; } else { |
| |
$pars->unget_token($token); |
| |
} |
| |
} |
| |
} |
| |
} else { |
| |
while ($token = $pars->get_token) { |
| |
# &Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]"); |
| |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
| |
$result.=$token->[1]; |
| |
} elsif ($token->[0] eq 'PI') { |
| |
$result.=$token->[2]; |
| |
} elsif ($token->[0] eq 'S') { |
| |
if ( $token->[1] eq $tag) { |
| |
$pars->unget_token($token); last; |
| |
} else { |
| |
$result.=$token->[4]; |
| |
} |
| |
} elsif ($token->[0] eq 'E') { |
| |
$result.=$token->[2]; |
| |
} |
| |
} |
| |
} |
| |
# &Apache::lonxml::debug("Exit:$result:"); |
| |
return $result |
| } |
} |
| |
|
| |
sub newparser { |
| |
my ($parser,$contentref,$dir) = @_; |
| |
push (@$parser,HTML::TokeParser->new($contentref)); |
| |
$$parser['-1']->xml_mode('1'); |
| |
if ( $dir eq '' ) { |
| |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
| |
} else { |
| |
push (@Apache::lonxml::pwd, $dir); |
| |
} |
| |
# &Apache::lonxml::debug("pwd:$#Apache::lonxml::pwd"); |
| |
# &Apache::lonxml::debug("pwd:$Apache::lonxml::pwd[$#Apache::lonxml::pwd]"); |
| |
} |
| |
|
| |
sub parstring { |
| |
my ($token) = @_; |
| |
my $temp=''; |
| |
map { |
| |
unless ($_=~/\W/) { |
| |
my $val=$token->[2]->{$_}; |
| |
$val =~ s/([\%\@\\])/\\$1/g; |
| |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
| |
$temp .= "my \$$_=\"$val\";" |
| |
} |
| |
} @{$token->[3]}; |
| |
return $temp; |
| |
} |
| |
|
| #=============================================================== Subroutine definition |
sub writeallows { |
| #--------------------------------------------------------------------------------- Run |
my $thisurl='/res/'.&Apache::lonnet::declutter(shift); |
| sub evaluate { |
my $thisdir=$thisurl; |
| my ($expression,$safeeval) = @_; |
$thisdir=~s/\/[^\/]+$//; |
| return $safeeval->reval($expression); |
my %httpref=(); |
| } |
map { |
| |
$httpref{'httpref.'. |
| sub run { |
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; } @extlinks; |
| my ($code,$safeeval) = @_; |
&Apache::lonnet::appenv(%httpref); |
| $safeeval->reval($code); |
} |
| } |
|
| |
# |
| #===================================================================== TAG SUBROUTINES |
# Afterburner handles anchors, highlights and links |
| #----------------------------------------------------------------------------- <m> tag |
# |
| sub start_m { |
|
| my ($target,$token) = @_; |
sub afterburn { |
| my $currentstring = ''; |
my $result=shift; |
| if ($target eq 'web') { |
map { |
| $currentstring = "\$out = lontexconvert::converted(\$in = '\$'.\""; |
my ($name, $value) = split(/=/,$_); |
| } elsif ($target eq 'tex') { |
$value =~ tr/+/ /; |
| $currentstring = "\$"; |
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
| } |
if (($name eq 'highlight')||($name eq 'anchor')||($name eq 'link')) { |
| return $currentstring; |
unless ($ENV{'form.'.$name}) { |
| } |
$ENV{'form.'.$name}=$value; |
| sub end_m { |
} |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
} (split(/&/,$ENV{'QUERY_STRING'})); |
| if ($target eq 'web') { |
if ($ENV{'form.highlight'}) { |
| $currentstring = "\".'\$') "; |
map { |
| } elsif ($target eq 'tex') { |
my $anchorname=$_; |
| $currentstring = "\$"; |
my $matchthis=$anchorname; |
| } |
$matchthis=~s/\_+/\\s\+/g; |
| return $currentstring; |
$result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs; |
| } |
} split(/\,/,$ENV{'form.highlight'}); |
| #-------------------------------------------------------------------------- <html> tag |
} |
| sub start_html { |
if ($ENV{'form.link'}) { |
| my ($target,$token) = @_; |
map { |
| my $currentstring = ''; |
my ($anchorname,$linkurl)=split(/\>/,$_); |
| if ($target eq 'web') { |
my $matchthis=$anchorname; |
| $currentstring = $token->[4]; |
$matchthis=~s/\_+/\\s\+/g; |
| } |
$result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
| return $currentstring; |
} split(/\,/,$ENV{'form.link'}); |
| } |
} |
| sub end_html { |
if ($ENV{'form.anchor'}) { |
| my ($target,$token) = @_; |
my $anchorname=$ENV{'form.anchor'}; |
| my $currentstring = ''; |
my $matchthis=$anchorname; |
| if ($target eq 'web') { |
$matchthis=~s/\_+/\\s\+/g; |
| $currentstring = $token->[2]; |
$result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s; |
| } |
$result.=(<<"ENDSCRIPT"); |
| return $currentstring; |
<script> |
| } |
document.location.hash='$anchorname'; |
| #-------------------------------------------------------------------------- <head> tag |
</script> |
| sub start_head { |
ENDSCRIPT |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
return $result; |
| if ($target eq 'web') { |
} |
| $currentstring = $token->[4]; |
|
| } |
sub handler { |
| return $currentstring; |
my $request=shift; |
| } |
|
| sub end_head { |
my $target='web'; |
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
$Apache::lonxml::debug=0; |
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
if ($ENV{'browser.mathml'}) { |
| } |
$request->content_type('text/xml'); |
| return $currentstring; |
} else { |
| } |
$request->content_type('text/html'); |
| #--------------------------------------------------------------------------- <map> tag |
} |
| sub start_map { |
|
| my ($target,$token) = @_; |
# $request->print(<<ENDHEADER); |
| my $currentstring = ''; |
#<html> |
| if ($target eq 'web') { |
#<head> |
| $currentstring = $token->[4]; |
#<title>Just test</title> |
| } |
#</head> |
| return $currentstring; |
#<body bgcolor="#FFFFFF"> |
| } |
#ENDHEADER |
| sub end_map { |
# &Apache::lonhomework::send_header($request); |
| my ($target,$token) = @_; |
$request->send_http_header; |
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
return OK if $request->header_only; |
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
my $file=&Apache::lonnet::filelocation("",$request->uri); |
| } |
my %mystyle; |
| #------------------------------------------------------------------------ <applet> tag |
my $result = ''; |
| sub start_applet { |
my $filecontents=&Apache::lonnet::getfile($file); |
| my ($target,$token) = @_; |
if ($filecontents == -1) { |
| my $currentstring = ''; |
&Apache::lonxml::error("<b> Unable to find <i>$file</i></b>"); |
| if ($target eq 'web') { |
$filecontents=''; |
| $currentstring = $token->[4]; |
} else { |
| } |
$result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle); |
| return $currentstring; |
} |
| } |
|
| sub end_applet { |
$request->print($result); |
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
writeallows($request->uri); |
| if ($target eq 'web') { |
return OK; |
| $currentstring = $token->[2]; |
} |
| } |
|
| return $currentstring; |
sub debug { |
| } |
if ($Apache::lonxml::debug eq 1) { |
| #------------------------------------------------------------------------ <select> tag |
print "DEBUG:".$_[0]."<br />\n"; |
| sub start_select { |
} |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
sub error { |
| $currentstring = $token->[4]; |
if ($Apache::lonxml::debug eq 1) { |
| } |
print "<b>ERROR:</b>".$_[0]."<br />\n"; |
| return $currentstring; |
} else { |
| } |
print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />"; |
| sub end_select { |
#notify author |
| my ($target,$token) = @_; |
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},$_[0]); |
| my $currentstring = ''; |
#notify course |
| if ($target eq 'web') { |
if ( $ENV{'request.course.id'} ) { |
| $currentstring = $token->[2]; |
my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}; |
| } |
foreach my $user (split /\,/, $users) { |
| return $currentstring; |
($user,my $domain) = split /:/, $user; |
| } |
&Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]); |
| #------------------------------------------------------------------------ <option> tag |
} |
| sub start_option { |
} |
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
#FIXME probably shouldn't have me get everything forever. |
| if ($target eq 'web') { |
&Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]); |
| $currentstring = $token->[4]; |
#&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]); |
| } |
} |
| return $currentstring; |
} |
| } |
|
| sub end_option { |
sub warning { |
| my ($target,$token) = @_; |
if ($Apache::lonxml::debug eq 1) { |
| my $currentstring = ''; |
print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n"; |
| if ($target eq 'web') { |
} |
| $currentstring = $token->[2]; |
} |
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <input> tag |
|
| sub start_input { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_input { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------- <textarea> tag |
|
| sub start_textarea { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_textarea { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <form> tag |
|
| sub start_form { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_form { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <title> tag |
|
| sub start_title { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_title { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <meta> tag |
|
| sub start_meta { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_meta { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <body> tag |
|
| sub start_body { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{document} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_body { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{document}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <center> tag |
|
| sub start_center { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{center} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_center { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{center}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <b> tag |
|
| sub start_b { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " {\\bf "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_b { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <strong> tag |
|
| sub start_strong { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " {\\bf "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_strong { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h1> tag |
|
| sub start_h1 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\chapter{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h1 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h2> tag |
|
| sub start_h2 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\section{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h2 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h3> tag |
|
| sub start_h3 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\subsection{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h3 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h4> tag |
|
| sub start_h4 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\subsubsection{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h4 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h5> tag |
|
| sub start_h5 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\paragraph{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h5 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h6> tag |
|
| sub start_h6 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\subparagraph{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h6 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <cite> tag |
|
| sub start_cite { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_cite { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <i> tag |
|
| sub start_i { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_i { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------- <address> tag |
|
| sub start_address { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_address { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <dfn> tag |
|
| sub start_dfn { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dfn { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <tt> tag |
|
| sub start_tt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\tt "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_tt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <kbd> tag |
|
| sub start_kbd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\tt "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_kbd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <code> tag |
|
| sub start_code { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\tt "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_code { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <em> tag |
|
| sub start_em { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\emph "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_em { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <q> tag |
|
| sub start_q { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\emph "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_q { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <p> tag |
|
| sub start_p { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\par "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_p { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <br> tag |
|
| sub start_br { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\\\"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_br { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <big> tag |
|
| sub start_big { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\large "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_big { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <small> tag |
|
| sub start_small { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\footnotesize "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_small { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------- <basefont> tag |
|
| sub start_basefont { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <font> tag |
|
| sub start_font { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_font { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <strike> tag |
|
| sub start_strike { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\underline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_strike { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <s> tag |
|
| sub start_s { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\underline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_s { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <sub> tag |
|
| sub start_sub { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\$_{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_sub { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }\$"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <sup> tag |
|
| sub start_sup { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\$^{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_sup { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }\$"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <hr> tag |
|
| sub start_hr { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\hline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <a> tag |
|
| sub start_a { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_a { |
|
| my ($target,$token,$stackref) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| my $tempor_var = $stackref->[$#$stackref]; |
|
| if (index($tempor_var,'name') != -1 ) { |
|
| $tempor_var =~ s/name=([^,]*),/$1/g; |
|
| $currentstring .= " \\label{$tempor_var}"; |
|
| } elsif (index($tempor_var,'href') != -1 ) { |
|
| $tempor_var =~ s/href=([^,]*),/$1/g; |
|
| $currentstring .= " \\ref{$tempor_var}"; |
|
| } |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <li> tag |
|
| sub start_li { |
|
| my ($target,$token,$stackref) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| my $tempor_var = $stackref->[$#$stackref-1]; |
|
| if (index($tempor_var,'circle') != -1 ) { |
|
| $currentstring .= " \\item[o] "; |
|
| } elsif (index($tempor_var,'square') != -1 ) { |
|
| $currentstring .= " \\item[$\Box$] "; |
|
| } else { |
|
| $currentstring .= " \\item "; |
|
| } |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_li { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <u> tag |
|
| sub start_u { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\underline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_u { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <ul> tag |
|
| sub start_ul { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{itemize} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_ul { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{itemize}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <menu> tag |
|
| sub start_menu { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{itemize} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_menu { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{itemize}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <dir> tag |
|
| sub start_dir { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{itemize} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dir { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{itemize}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <ol> tag |
|
| sub start_ol { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{enumerate} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_ol { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{enumerate}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <dl> tag |
|
| sub start_dl { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{description} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dl { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{description}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <dt> tag |
|
| sub start_dt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "\\item[ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "]"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <dd> tag |
|
| sub start_dd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <table> tag |
|
| sub start_table { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{tabular} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_table { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{tabular}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| |
|
| 1; |
1; |
| __END__ |
__END__ |
| |
|
| |
|
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