version 1.8, 2001/01/12 01:38:02
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version 1.22, 2008/11/24 18:55:01
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Style Parser Module (new version) |
# Style Parser Module (new version) |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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# Copyright for TtHfunc and TtMfunc by Ian Hutchinson. |
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# TtHfunc and TtMfunc (the "Code") may be compiled and linked into |
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# binary executable programs or libraries distributed by the |
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# Michigan State University (the "Licensee"), but any binaries so |
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# distributed are hereby licensed only for use in the context |
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# of a program or computational system for which the Licensee is the |
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# primary author or distributor, and which performs substantial |
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# additional tasks beyond the translation of (La)TeX into HTML. |
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# The C source of the Code may not be distributed by the Licensee |
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# to any other parties under any circumstances. |
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# |
# written 01/08/01 by Alexander Sakharuk |
# written 01/08/01 by Alexander Sakharuk |
# |
# |
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Line 11 use HTML::TokeParser;
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Line 46 use HTML::TokeParser;
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sub styleparser { |
sub styleparser { |
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my ($target,$content_style_string) = @_; |
my ($target,$content_style_string)=@_; |
my $current_key = ''; |
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my $current_value = ''; |
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my @keys = (); |
my @keys = (); |
my @values = (); |
my @values = (); |
my @style_array = (); |
my $current_value; |
my $stoken; |
my $allow=0; |
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my $pstyle = HTML::TokeParser->new(\$content_style_string); |
my $b_pos; |
$pstyle->xml_mode('1'); |
my $e_pos; |
while (my $stoken = $pstyle->get_token) { |
my $entry; |
if (($stoken->[0] eq 'S') && ($stoken->[1] eq 'definetag')) { |
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push @keys,$stoken->[2]->{'name'}; |
$b_pos = index($content_style_string,'<definetag',0); |
$current_value=''; |
while ($b_pos != -1) { |
$allow=0; |
$e_pos = index($content_style_string,'</definetag',$b_pos); |
} elsif (($stoken->[0] eq 'E') && ($stoken->[1] eq 'definetag')) { |
$entry = substr($content_style_string,$b_pos,$e_pos-$b_pos+12); |
$current_value =~ s/(\s)+/$1/g; |
$_ = $entry; |
$current_value =~ s/\n//g; |
m/<definetag\s+name\s*=\s*\"([^\"]*)\"/; |
push(@values,$current_value); |
$current_key = $1; |
} elsif (($target eq 'meta') && ($stoken->[0] eq 'S') && ($stoken->[1] eq 'meta')) { |
push @keys,$current_key; |
$allow=1; |
# &Apache::lonxml::debug("$current_key\n"); |
} elsif (($target eq 'meta') && ($stoken->[0] eq 'E') && ($stoken->[1] eq 'meta')) { |
my $b_position = index($entry,'<'.$target.'>',0); |
$allow=0; |
my $e_position = index($entry,'</'.$target.'>',$b_position); |
} elsif (($target ne 'meta') && ($stoken->[0] eq 'S') && ($stoken->[1] eq 'render')) { |
my $target_length = length($target) + 2; |
$allow=1; |
if ($b_position > -1) { |
} elsif (($target ne 'meta') && ($stoken->[0] eq 'E') && ($stoken->[1] eq 'render')) { |
my $entry_target = substr($entry,$b_position+$target_length,$e_position-$b_position-$target_length); |
$allow=0; |
my $pstyle = HTML::TokeParser->new(\$entry_target); |
} elsif (($target ne 'meta') && ($target ne 'web') && ($stoken->[0] eq 'S') && ($stoken->[1] eq 'web')) { |
while ($stoken = $pstyle->get_token) { |
$allow=0; |
if ($stoken->[0] eq 'T') { |
} elsif (($target ne 'meta') && ($target ne 'web') && ($stoken->[0] eq 'E') && ($stoken->[1] eq 'web')) { |
$current_value .= $stoken->[1]; |
$allow=1; |
} elsif ($stoken->[0] eq 'S') { |
} elsif (($target ne 'meta') && ($target ne 'tex') && ($stoken->[0] eq 'S') && ($stoken->[1] eq 'tex')) { |
my $number = &testkey($stoken->[0],$stoken->[1],@keys); |
$allow=0; |
if ($number != -1) { |
} elsif (($target ne 'meta') && ($target ne 'tex') && ($stoken->[0] eq 'E') && ($stoken->[1] eq 'tex')) { |
$current_value .= &testvalue($number,$stoken->[0],$stoken->[2],@values); |
$allow=1; |
} else { |
} elsif (($stoken->[0] eq 'S') && ($stoken->[1] eq 'target') && (not $stoken->[2]->{'name'}=~/(^\s*$target\s*,|,\s*$target\s*,|,\s*$target\s*$|^\s*$target\s*$)/)) { |
$current_value .= $stoken->[4]; |
$allow=0; |
} |
} elsif (($stoken->[0] eq 'E') && ($stoken->[1] eq 'target')) { |
} else { |
$allow=1; |
my $number = &testkey($stoken->[0],$stoken->[1],@keys); |
} elsif (($target ne 'meta') && ($stoken->[0] eq 'S') && ($stoken->[1] eq $target)) { |
if ($number != -1) { |
$allow=1; |
$current_value .= &testvalue($number,$stoken->[0],$stoken->[2],@values); |
} elsif (($target ne 'meta') && ($stoken->[0] eq 'E') && ($stoken->[1] eq $target)) { |
} else { |
} elsif (($stoken->[0] eq 'S') && ($stoken->[1] eq 'target') && ($stoken->[2]->{'name'}=~/(^\s*$target\s*,|,\s*$target\s*,|,\s*$target\s*$|^\s*$target\s*$)/)) { |
$current_value .= $stoken->[2]; |
$allow=1; |
} |
} elsif ($allow) { |
} |
if ($stoken->[0] eq 'T') { |
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$current_value .= $stoken->[1]; |
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} elsif ($stoken->[0] eq 'S') { |
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my $number=-1; |
} |
if ($stoken->[1] ne $keys[-1]) { |
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$number = &testkey($stoken->[0],$stoken->[1],@keys); |
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} |
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if ($number != -1) { |
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$current_value .= &testvalue($number,$stoken->[0],$stoken->[2],@values); |
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} else { |
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$current_value .= $stoken->[4]; |
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} |
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} elsif ($stoken->[0] eq 'E') { |
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my $number=-1; |
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if (('/'.$stoken->[1]) ne $keys[-1]) { |
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$number = &testkey($stoken->[0],$stoken->[1],@keys); |
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} |
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if ($number != -1) { |
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$current_value .= &testvalue($number,$stoken->[0],$stoken->[2],@values); |
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} else { |
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$current_value .= $stoken->[2]; |
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} |
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} |
} |
} |
push @values,$current_value; |
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# &Apache::lonxml::debug("a:$current_value $#values \n"); |
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$current_key = ''; |
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$current_value =''; |
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$b_pos = index($content_style_string,'<definetag',$b_pos+1); |
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} |
} |
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my %style_for_target; |
for (my $i=0; $i<=$#keys; $i++) { |
for (my $i=0; $i<=$#keys; $i++) { |
push @style_array,$keys[$i],$values[$i]; |
if ($values[$i] !~ /^\s*$/) { |
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$style_for_target{$keys[$i]}=$values[$i]; |
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} |
} |
} |
my %style_for_target = @style_array; |
return %style_for_target; |
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# check printing |
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while (($current_key,$current_value) = each %style_for_target) { |
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&Apache::lonxml::debug("$current_key => $current_value\n"); |
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} |
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# return result |
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return %style_for_target; |
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} |
} |
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sub testkey { |
sub testkey { |
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my ($zeroth,$first,@keys) = @_; |
my ($zeroth,$first,@keys) = @_; |
Line 109 sub testvalue {
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Line 150 sub testvalue {
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my ($number,$zeroth,$second,@values) = @_; |
my ($number,$zeroth,$second,@values) = @_; |
my $current_content = $values[$number]; |
my $current_content = $values[$number]; |
if ($zeroth eq 'S') { |
if ($zeroth eq 'S') { |
my %tempo_hash = %$second; |
my %tempo_hash = %$second; |
while ((my $current_k,my $current_v) = each %tempo_hash) { |
while ((my $current_k,my $current_v) = each %tempo_hash) { |
$current_content =~ s/\$$current_k/$current_v/g; |
$current_content =~ s/\$$current_k/$current_v/g; |
} |
} |
} elsif ($zeroth eq 'E') { |
} elsif ($zeroth eq 'E') { |
$current_content = $values[$number]; |
$current_content = $values[$number]; |
} |
} |
return $current_content; |
return $current_content; |
} |
} |
Line 122 sub testvalue {
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Line 163 sub testvalue {
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1; |
1; |
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__END__ |
__END__ |
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=pod |
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=head1 NAME |
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Apache::style.pm |
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=head1 SYNOPSIS |
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Style parsing module |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 SUBROUTINES |
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=over |
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=item styleparser() |
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=item testkey() |
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=item testvalue() |
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=back |
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=cut |
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