version 1.1, 2000/06/19 15:52:29
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version 1.19, 2000/08/16 18:32:58
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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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package Apache::lonxml; |
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use strict; |
use strict; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use Safe; |
use Safe; |
use Apache::Constants qw(:common); |
use Opcode; |
use Apache::lontexconvert; |
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#======================================================= Main subroutine: xmlparse |
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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use Apache::style; |
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use Apache::lontexconvert; |
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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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#================================================== Main subroutine: xmlparse |
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sub xmlparse { |
sub xmlparse { |
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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); |
my @pars = (); |
my $currentstring = ''; |
push (@pars,HTML::TokeParser->new(\$content_file_string)); |
my $finaloutput = ''; |
my $currentstring = ''; |
my $newarg = ''; |
my $finaloutput = ''; |
my $tempostring = ''; |
my $newarg = ''; |
my $tempocont = ''; |
my $result; |
my $safeeval = new Safe; |
my $safeeval = new Safe; |
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$safeeval->permit("entereval"); |
#------------------------- Redefinition of the target in the case of compound target |
$safeeval->permit(":base_math"); |
($target, my @tenta) = split('&&',$target); |
$safeeval->deny(":base_io"); |
#------------------------------ Stack definition (in stack we have all current tags) |
#need to inspect this class of ops |
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# $safeeval->deny(":base_orig"); |
my @stack = (); |
if ( $safeinit ne '') {&Apache::run::run($safeinit,$safeeval);} |
my @parstack = (); |
#-------------------- Redefinition of the target in the case of compound target |
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#------------------------------------------ Parse input string (content_file_string) |
($target, my @tenta) = split('&&',$target); |
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my $token; |
my @stack = (); |
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my @parstack = (); |
while ($token = $pars->get_token) { |
&initdepth; |
if ($token->[0] eq 'T') { |
my $token; |
$finaloutput .= $token->[1]; |
while ( $#pars > -1 ) { |
$tempocont .= $token->[1]; |
while ($token = $pars[$#pars]->get_token) { |
} elsif ($token->[0] eq 'S') { |
if ($token->[0] eq 'T') { |
#------------------------------------------------------------------ add tag to stack |
$result=$token->[1]; |
push (@stack,$token->[1]); |
# $finaloutput .= &Apache::run::evaluate($token->[1],$safeeval,''); |
#---------------------------------------------- add parameters list to another stack |
} elsif ($token->[0] eq 'S') { |
map {$tempostring .= "$_=$token->[2]->{$_},"} @{$token->[3]}; |
# add tag to stack |
push (@parstack,$tempostring); |
push (@stack,$token->[1]); |
$tempostring = ''; |
# add parameters list to another stack |
$tempocont = ''; |
push (@parstack,&parstring($token)); |
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&increasedepth($token); |
if (exists $style_for_target{$token->[1]}) { |
if (exists $style_for_target{$token->[1]}) { |
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$finaloutput .= &recurse($style_for_target{$token->[1]}, |
#--------------------------------------------------------- use style file definition |
$target,$safeeval,\%style_for_target, |
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@parstack); |
$newarg = $style_for_target{$token->[1]}; |
} else { |
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$result = &callsub("start_$token->[1]", $target, $token,\@parstack, |
if (index($newarg,'script') != -1 ) { |
\@pars, $safeeval, \%style_for_target); |
my $pat = HTML::TokeParser->new(\$newarg); |
} |
my $tokenpat; |
} elsif ($token->[0] eq 'E') { |
my $partstring = ''; |
#clear out any tags that didn't end |
my $oustring = ''; |
while ($token->[1] ne $stack[$#stack] |
my $outputstring; |
&& ($#stack > -1)) {pop @stack;pop @parstack;&decreasedepth($token);} |
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while ($tokenpat = $pat->get_token) { |
if (exists $style_for_target{'/'."$token->[1]"}) { |
if ($tokenpat->[0] eq 'T') { |
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
$oustring .= $tokenpat->[1]; |
$target,$safeeval,\%style_for_target, |
} elsif ($tokenpat->[0] eq 'S') { |
@parstack); |
if ($tokenpat->[1] eq 'script') { |
} else { |
while ($tokenpat = $pat->get_token and $tokenpat->[1] ne 'script') { |
$result = &callsub("end_$token->[1]", $target, $token, \@parstack, |
if ($tokenpat->[0] eq 'S') { |
\@pars,$safeeval, \%style_for_target); |
$partstring .= $tokenpat->[4]; |
} |
} elsif ($tokenpat->[0] eq 'T') { |
} |
$partstring .= $tokenpat->[1]; |
if ($result ne "" ) { |
} elsif ($tokenpat->[0] eq 'E') { |
if ( $#parstack > -1 ) { |
$partstring .= $tokenpat->[2]; |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
} |
$parstack[$#parstack]); |
} |
} else { |
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$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
map {$partstring =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
} |
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$result = ''; |
&run($partstring,$safeeval); |
} |
$partstring = ''; |
if ($token->[0] eq 'E') { pop @stack;pop @parstack;&decreasedepth($token);} |
} elsif ($tokenpat->[1] eq 'evaluate') { |
} |
$outputstring = &evaluate($tokenpat->[2]{expression},$safeeval); |
pop @pars; |
$oustring .= $outputstring; |
} |
} else { |
return $finaloutput; |
$oustring .= $tokenpat->[4]; |
} |
} |
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} elsif ($tokenpat->[0] eq 'E' and $tokenpat->[1] ne 'evaluate') { |
sub recurse { |
$oustring .= $tokenpat->[1]; |
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} |
my @innerstack = (); |
} |
my @innerparstack = (); |
$newarg = $oustring; |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
} else { |
my @pat = (); |
map {$newarg =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
push (@pat,HTML::TokeParser->new(\$newarg)); |
} |
my $tokenpat; |
$finaloutput .= $newarg; |
my $partstring = ''; |
} else { |
my $output=''; |
#----------------------------------------------------- use default definition of tag |
my $decls=''; |
my $sub="start_$token->[1]"; |
while ( $#pat > -1 ) { |
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while ($tokenpat = $pat[$#pat]->get_token) { |
{ |
if ($tokenpat->[0] eq 'T') { |
no strict 'refs'; |
$partstring = $tokenpat->[1]; |
if (defined (&$sub)) { |
} elsif ($tokenpat->[0] eq 'S') { |
$currentstring = &$sub($target,$token,\@parstack); |
push (@innerstack,$tokenpat->[1]); |
$finaloutput .= $currentstring; |
push (@innerparstack,&parstring($tokenpat)); |
$currentstring = ''; |
&increasedepth($tokenpat); |
} else { |
$partstring = &callsub("start_$tokenpat->[1]", |
$finaloutput .= $token->[4]; |
$target, $tokenpat, \@innerparstack, |
} |
\@pat, $safeeval, $style_for_target); |
use strict 'refs'; |
} elsif ($tokenpat->[0] eq 'E') { |
} |
#clear out any tags that didn't end |
} |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
} elsif ($token->[0] eq 'E') { |
&& ($#innerstack > -1)) {pop @innerstack;pop @innerparstack; |
pop @stack; |
&decreasedepth($tokenpat);} |
unless (exists $style_for_target{$token->[1]}) { |
$partstring = &callsub("end_$tokenpat->[1]", |
my $sub="end_$token->[1]"; |
$target, $tokenpat, \@innerparstack, |
{ |
\@pat, $safeeval, $style_for_target); |
no strict 'refs'; |
} |
if (defined (&$sub)) { |
#pass both the variable to the style tag, and the tag we |
$currentstring = &$sub($target,$token,\@parstack); |
#are processing inside the <definedtag> |
$finaloutput .= $currentstring; |
if ( $partstring ne "" ) { |
$currentstring = ''; |
if ( $#parstack > -1 ) { |
} else { |
if ( $#innerparstack > -1 ) { |
$finaloutput .= $token->[4]; |
$decls= $parstack[$#parstack].$innerparstack[$#innerparstack]; |
} |
} else { |
use strict 'refs'; |
$decls= $parstack[$#parstack]; |
} |
} |
} |
} else { |
#------------------------------------------------------- end tag from the style file |
if ( $#innerparstack > -1 ) { |
if (exists $style_for_target{'/'."$token->[1]"}) { |
$decls=$innerparstack[$#innerparstack]; |
$newarg = $style_for_target{'/'."$token->[1]"}; |
} else { |
my @very_temp = split(',',@parstack[$#parstack]); |
$decls=''; |
map {my @ret= split('=',$_); $newarg =~ s/\$$ret[0]/$ret[1]/g; } @very_temp; |
} |
$finaloutput .= $newarg; |
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} |
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pop @parstack; |
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} |
} |
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$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
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$partstring = ''; |
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} |
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if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; |
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&decreasedepth($tokenpat);} |
} |
} |
return $finaloutput; |
pop @pat; |
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} |
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return $output; |
} |
} |
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sub callsub { |
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my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_; |
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my $currentstring=''; |
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{ |
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no strict 'refs'; |
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if (my $space=$Apache::lonxml::alltags{$token->[1]}) { |
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#print "Calling sub $sub in $space \n"; |
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$sub="$space\:\:$sub"; |
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$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
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$currentstring = &$sub($target,$token,$parstack,$parser, |
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$safeeval,$style); |
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} else { |
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#print "NOT Calling sub $sub\n"; |
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if (defined($token->[4])) { |
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$currentstring = $token->[4]; |
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} else { |
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$currentstring = $token->[2]; |
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} |
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} |
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use strict 'refs'; |
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} |
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return $currentstring; |
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} |
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#================================================================== style subroutine |
sub initdepth { |
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@Apache::lonxml::depthcounter=(); |
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$Apache::lonxml::depth=-1; |
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$Apache::lonxml::olddepth=-1; |
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} |
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sub styleparser { |
sub increasedepth { |
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my ($token) = @_; |
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if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) { |
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$#Apache::lonxml::depthcounter--; |
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$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
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} |
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$Apache::lonxml::depth++; |
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# print "<br>s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1]<br>\n"; |
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$Apache::lonxml::depthcounter[$Apache::lonxml::depth]++; |
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if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
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$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
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} |
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} |
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my ($target,$content_style_string) = @_; |
sub decreasedepth { |
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my ($token) = @_; |
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$Apache::lonxml::depth--; |
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# print "<br>e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1]<br>\n"; |
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} |
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#------------------------------------------------ target redefinition (if necessary) |
sub get_all_text { |
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my @target_string = ''; |
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my $element; |
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($element,@target_string) = split ('&&',$target); |
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map {$content_style_string =~ s/\<(.*)$_\>/\<$1$element\>/g; } @target_string; |
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$target = $element; |
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#------------------------------------------------- create a table for defined target |
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#---------------------------------------------- from the information from Style File |
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my @value_style = (); |
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my $current_key = ''; |
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my $current_value = ''; |
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my $pstyle = HTML::TokeParser->new(\$content_style_string); |
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my $stoken; |
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while ($stoken = $pstyle->get_token) { |
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#---------------------------------------------------------- start for tag definition |
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if ($stoken->[0] eq 'S' and $stoken->[1] eq 'definetag') { |
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#------------------------------------------------------------------- new key in hash |
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$current_key = $stoken->[2]{name}; |
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if ($target eq 'meta') { |
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#-------------------------------------------------- reserved for the metadate output |
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} else { |
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#-------------------------------------------------------------------- outtext output |
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while ($stoken = $pstyle->get_token and $stoken->[1] ne 'outtext') { |
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} |
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while ($stoken = $pstyle->get_token and $stoken->[0] ne 'S') { |
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$current_value .= $stoken->[1]; |
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} |
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while ($stoken->[1] ne 'definetag') { |
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if ($stoken->[0] eq 'S' and $stoken->[1] eq $target) { |
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while ($stoken = $pstyle->get_token) { |
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if ($stoken->[1] ne $target) { |
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if ($stoken->[0] eq 'S') { |
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$current_value .= $stoken->[4]; |
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} |
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if ($stoken->[0] eq 'E') { |
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$current_value .= $stoken->[2]; |
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} |
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if ($stoken->[0] eq 'T') { |
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$current_value .= $stoken->[1]; |
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} |
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} else { |
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last; |
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} |
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} |
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} elsif ($stoken->[0] eq 'S' and $stoken->[1] ne $target) { |
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while ($stoken = $pstyle->get_token and $stoken->[0] ne 'E') { |
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} |
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} |
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while ($stoken = $pstyle->get_token) { |
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if ($stoken->[0] eq 'T') { |
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$current_value .= $stoken->[1]; |
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} |
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if ($stoken->[0] eq 'E') { |
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last; |
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} |
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if ($stoken->[0] eq 'S') { |
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last; |
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} |
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} |
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} |
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} |
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} |
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push (@value_style,lc $current_key,$current_value); |
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$current_key = ''; |
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$current_value = ''; |
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} |
my($tag,$pars)= @_; |
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my $depth=0; |
my %style_for_target = @value_style; |
my $token; |
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my $result=''; |
#-------------------------------------------------------------------- check printing |
while (($depth >=0) && ($token = $pars->get_token)) { |
# while (($current_key,$current_value) = each %style_for_target) { |
if ($token->[0] eq 'T') { |
# print "$current_key => $current_value\n"; |
$result.=$token->[1]; |
# } |
} elsif ($token->[0] eq 'S') { |
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if ($token->[1] eq $tag) { $depth++; } |
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$result.=$token->[4]; |
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} elsif ($token->[0] eq 'E') { |
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if ($token->[1] eq $tag) { $depth--; } |
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#skip sending back the last end tag |
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if ($depth > -1) { $result.=$token->[2]; } |
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} |
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} |
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return $result |
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} |
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return %style_for_target; |
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sub parstring { |
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my ($token) = @_; |
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my $temp=''; |
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map {$temp .= "my \$$_=\"$token->[2]->{$_}\";"} @{$token->[3]}; |
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return $temp; |
} |
} |
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1; |
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__END__ |
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#=============================================================== Subroutine definition |
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#--------------------------------------------------------------------------------- Run |
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sub evaluate { |
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my ($expression,$safeeval) = @_; |
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return $safeeval->reval($expression); |
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} |
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sub run { |
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my ($code,$safeeval) = @_; |
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$safeeval->reval($code); |
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} |
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#===================================================================== TAG SUBROUTINES |
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#----------------------------------------------------------------------------- <m> tag |
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sub start_m { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = "\$out = lontexconvert::converted(\$in = '\$'.\""; |
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} elsif ($target eq 'tex') { |
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$currentstring = "\$"; |
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} |
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return $currentstring; |
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} |
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sub end_m { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = "\".'\$') "; |
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} elsif ($target eq 'tex') { |
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$currentstring = "\$"; |
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} |
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return $currentstring; |
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} |
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#-------------------------------------------------------------------------- <html> tag |
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sub start_html { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_html { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#-------------------------------------------------------------------------- <head> tag |
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sub start_head { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_head { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#--------------------------------------------------------------------------- <map> tag |
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sub start_map { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_map { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#------------------------------------------------------------------------ <applet> tag |
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sub start_applet { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_applet { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#------------------------------------------------------------------------ <select> tag |
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sub start_select { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_select { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#------------------------------------------------------------------------ <option> tag |
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sub start_option { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_option { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#------------------------------------------------------------------------- <input> tag |
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sub start_input { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_input { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#---------------------------------------------------------------------- <textarea> tag |
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sub start_textarea { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_textarea { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#-------------------------------------------------------------------------- <form> tag |
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sub start_form { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[4]; |
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} |
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return $currentstring; |
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} |
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sub end_form { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($target eq 'web') { |
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$currentstring = $token->[2]; |
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} |
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return $currentstring; |
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} |
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#------------------------------------------------------------------------- <title> tag |
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sub start_title { |
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my ($target,$token) = @_; |
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my $currentstring = ''; |
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if ($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; |
|
__END__ |
|