version 1.42, 2001/01/03 00:13:22
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version 1.45, 2001/01/06 15:31:27
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Line 3
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# |
# |
# last modified 06/26/00 by Alexander Sakharuk |
# last modified 06/26/00 by Alexander Sakharuk |
# 11/6 Gerd Kortemeyer |
# 11/6 Gerd Kortemeyer |
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# 6/1/1 Gerd Kortemeyer |
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package Apache::lonxml; |
package Apache::lonxml; |
use vars |
use vars |
Line 12 use HTML::TokeParser;
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Line 13 use HTML::TokeParser;
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use Safe; |
use Safe; |
use Safe::Hole; |
use Safe::Hole; |
use Opcode; |
use Opcode; |
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use Apache::Constants(:common); |
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sub register { |
sub register { |
my $space; |
my $space; |
Line 42 sub xmlparse {
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Line 44 sub xmlparse {
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if ($target eq 'meta') { |
if ($target eq 'meta') { |
$Apache::lonxml::textredirection = 0; |
$Apache::lonxml::textredirection = 0; |
$Apache::lonxml::on_offimport = 1; |
$Apache::lonxml::on_offimport = 1; |
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} else { |
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$Apache::lonxml::textredirection = 1; |
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$Apache::lonxml::on_offimport = 0; |
} |
} |
my @pars = (); |
my @pars = (); |
@Apache::lonxml::pwd=(); |
@Apache::lonxml::pwd=(); |
Line 104 sub xmlparse {
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Line 109 sub xmlparse {
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#if ($target eq 'meta') {$Apache::lonxml::textredirection = 0;} |
#if ($target eq 'meta') {$Apache::lonxml::textredirection = 0;} |
#clear out any tags that didn't end |
#clear out any tags that didn't end |
while ($token->[1] ne $stack[$#stack] |
while ($token->[1] ne $stack[$#stack] |
&& ($#stack > -1)) {pop @stack;pop @parstack;&decreasedepth($token);} |
&& ($#stack > -1)) { |
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&Apache::lonxml::error("Unbalanced tags in resource $stack['-1']"); |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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if (exists $style_for_target{'/'."$token->[1]"}) { |
if (exists $style_for_target{'/'."$token->[1]"}) { |
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Line 175 sub recurse {
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Line 183 sub recurse {
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} elsif ($tokenpat->[0] eq 'E') { |
} elsif ($tokenpat->[0] eq 'E') { |
#clear out any tags that didn't end |
#clear out any tags that didn't end |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
&& ($#innerstack > -1)) {pop @innerstack;pop @innerparstack; |
&& ($#innerstack > -1)) { |
&decreasedepth($tokenpat);} |
&Apache::lonxml::error("Unbalanced tags in resource $innerstack['-1']"); |
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pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat); |
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} |
$partstring = &callsub("end_$tokenpat->[1]", |
$partstring = &callsub("end_$tokenpat->[1]", |
$target, $tokenpat, \@innerparstack, |
$target, $tokenpat, \@innerparstack, |
\@pat, $safeeval, $style_for_target); |
\@pat, $safeeval, $style_for_target); |
Line 249 sub increasedepth {
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Line 259 sub increasedepth {
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} |
} |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
&Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"); |
&Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"); |
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#print "<br>s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"; |
} |
} |
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sub decreasedepth { |
sub decreasedepth { |
Line 258 sub decreasedepth {
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Line 269 sub decreasedepth {
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$#Apache::lonxml::depthcounter--; |
$#Apache::lonxml::depthcounter--; |
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
} |
} |
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if ( $Apache::lonxml::depth < -1) { |
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&Apache::lonxml::error("Unbalanced tags in resource"); |
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$Apache::lonxml::depth='-1'; |
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} |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
&Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"); |
&Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"); |
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#print "<br>e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
} |
} |
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sub get_all_text { |
sub get_all_text { |
Line 325 sub writeallows {
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Line 341 sub writeallows {
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sub handler { |
sub handler { |
my $request=shift; |
my $request=shift; |
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my $target='web'; |
my $target='web'; |
$Apache::lonxml::debug=1; |
# $Apache::lonxml::debug=1; |
if ($ENV{'browser.mathml'}) { |
if ($ENV{'browser.mathml'}) { |
$request->content_type('text/xml'); |
$request->content_type('text/xml'); |
} else { |
} else { |
Line 344 sub handler {
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Line 360 sub handler {
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# &Apache::lonhomework::send_header($request); |
# &Apache::lonhomework::send_header($request); |
$request->send_http_header; |
$request->send_http_header; |
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return 'OK' if $request->header_only; |
return OK if $request->header_only; |
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$request->print(&Apache::lontexconvert::header()); |
$request->print(&Apache::lontexconvert::header()); |
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Line 359 sub handler {
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Line 375 sub handler {
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$request->print('</body>'); |
$request->print('</body>'); |
$request->print(&Apache::lontexconvert::footer()); |
$request->print(&Apache::lontexconvert::footer()); |
writeallows($request->uri); |
writeallows($request->uri); |
return 'OK'; |
return OK; |
} |
} |
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$Apache::lonxml::debug=0; |
$Apache::lonxml::debug=0; |
Line 369 sub debug {
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Line 385 sub debug {
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} |
} |
} |
} |
sub error { |
sub error { |
print "ERROR:".$_[0]."<br>\n"; |
# print "ERROR:".$_[0]."<br>\n"; |
} |
} |
sub warning { |
sub warning { |
if ($Apache::lonxml::debug eq 1) { |
if ($Apache::lonxml::debug eq 1) { |