loncom/xml/lonxml.pm - diff

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Diff for /loncom/xml/lonxml.pm between versions 1.447 and 1.470

version 1.447, 2007/05/31 04:15:59	version 1.470, 2007/12/05 14:52:15
Line 92 use Apache::loncacc();	Line 92 use Apache::loncacc();
use Apache::lonmaxima();	use Apache::lonmaxima();
use Apache::lonlocal;	use Apache::lonlocal;

#================================================== Main subroutine: xmlparse	#==================================== Main subroutine: xmlparse

#debugging control, to turn on debugging modify the correct handler	#debugging control, to turn on debugging modify the correct handler

$Apache::lonxml::debug=0;	$Apache::lonxml::debug=0;

# keeps count of the number of warnings and errors generated in a parse	# keeps count of the number of warnings and errors generated in a parse
Line 125 $evaluate = 1;	Line 127 $evaluate = 1;
# stores the list of active tag namespaces	# stores the list of active tag namespaces
@namespace=();	@namespace=();

	# stores all Scrit Vars displays for later showing
	my @script_var_displays=();

# a pointer the the Apache request object	# a pointer the the Apache request object
$Apache::lonxml::request='';	$Apache::lonxml::request='';

Line 132 $Apache::lonxml::request='';	Line 137 $Apache::lonxml::request='';
$Apache::lonxml::counter=1;	$Apache::lonxml::counter=1;
$Apache::lonxml::counter_changed=0;	$Apache::lonxml::counter_changed=0;

	# Part counter hash. In analysis mode, the
	# problems can use this to record which parts increment the counter
	# by how much. The counter subs will maintain this hash via
	# their optional part parameters. Note that the assumption is that
	# analysis is done in one request and therefore it is not necessary to
	# save this information request-to-request.


	%Apache::lonxml::counters_per_part = ();

#internal check on whether to look at style defs	#internal check on whether to look at style defs
$Apache::lonxml::usestyle=1;	$Apache::lonxml::usestyle=1;

Line 316 sub xmlparse {	Line 331 sub xmlparse {
}	}
}	}
}	}
} elsif ($env{'construct.style'} && ($env{'request.state'} eq 'construct')) {	} elsif ($env{'construct.style'}
	&& ($env{'request.state'} eq 'construct')) {
my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});	my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
my $styletext=&Apache::lonnet::getfile($location);	my $styletext=&Apache::lonnet::getfile($location);
if ($styletext ne '-1') {	if ($styletext ne '-1') {
%style_for_target = (%style_for_target,	%style_for_target = (%style_for_target,
&Apache::style::styleparser($target,$styletext));	&Apache::style::styleparser($target,$styletext));
}	}
}	}
#&printalltags();	#&printalltags();
my @pars = ();	my @pars = ();
Line 357 sub xmlparse {	Line 373 sub xmlparse {

&clean_safespace($safeeval);	&clean_safespace($safeeval);

	if (@script_var_displays) {
	$finaloutput .= join('',@script_var_displays);
	undef(@script_var_displays);
	}
	&init_state();
if ($env{'form.return_only_error_and_warning_counts'}) {	if ($env{'form.return_only_error_and_warning_counts'}) {
return "$errorcount:$warningcount";	return "$errorcount:$warningcount";
}	}
Line 610 sub callsub {	Line 631 sub callsub {
return $currentstring;	return $currentstring;
}	}

	{
	my %state;

	sub init_state {
	undef(%state);
	}

	sub set_state {
	my ($key,$value) = @_;
	$state{$key} = $value;
	return $value;
	}
	sub get_state {
	my ($key) = @_;
	return $state{$key};
	}
	}

sub setup_globals {	sub setup_globals {
my ($request,$target)=@_;	my ($request,$target)=@_;
$Apache::lonxml::request=$request;	$Apache::lonxml::request=$request;
Line 618 sub setup_globals {	Line 657 sub setup_globals {
$Apache::lonxml::default_homework_loaded=0;	$Apache::lonxml::default_homework_loaded=0;
$Apache::lonxml::usestyle=1;	$Apache::lonxml::usestyle=1;
&init_counter();	&init_counter();
	&clear_bubble_lines_for_part();
	&init_state();
	&set_state('target',$target);
@Apache::lonxml::pwd=();	@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();	@Apache::lonxml::extlinks=();
	@script_var_displays=();
@Apache::lonxml::ssi_info=();	@Apache::lonxml::ssi_info=();
$Apache::lonxml::post_evaluate=1;	$Apache::lonxml::post_evaluate=1;
$Apache::lonxml::warnings_error_header='';	$Apache::lonxml::warnings_error_header='';
Line 790 sub init_safespace {	Line 833 sub init_safespace {
$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');	$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');	$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');	$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
	$safehole->wrap(\&Apache::loncommon::languages,$safeeval,'&languages');
$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');	$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
$safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');	$safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
$safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');	$safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
Line 898 sub endredirection {	Line 942 sub endredirection {
}	}
pop @Apache::lonxml::outputstack;	pop @Apache::lonxml::outputstack;
}	}
	sub in_redirection {
	return ($Apache::lonxml::redirection > 0)
	}

sub end_tag {	sub end_tag {
my ($tagstack,$parstack,$token)=@_;	my ($tagstack,$parstack,$token)=@_;
Line 958 sub decreasedepth {	Line 1005 sub decreasedepth {
sub get_id {	sub get_id {
my ($parstack,$safeeval)=@_;	my ($parstack,$safeeval)=@_;
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);	my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
if ($env{'request.state'} eq 'construct' && $id =~ /(\.\|_)/) {	if ($env{'request.state'} eq 'construct' && $id =~ /([._]\|[^\w\d\s[:punct:]])/) {
&error(&mt("IDs are not allowed to contain "<tt>_</tt>" or "<tt>.</tt>""));	&error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));
}	}
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }	if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
return $id;	return $id;
Line 995 sub get_all_text_unbalanced {	Line 1042 sub get_all_text_unbalanced {
}	}
}	}
return $result	return $result

}	}

	#########################################################################
	# #
	# bubble line counter management #
	# #
	#########################################################################

=pod	=pod

For bubble grading mode and exam bubble printing mode, the tracking of	For bubble grading mode and exam bubble printing mode, the tracking of
Line 1012 Increments the internal counter environm	Line 1066 Increments the internal counter environm

Optional Arguments:	Optional Arguments:
$increment - amount to increment by (defaults to 1)	$increment - amount to increment by (defaults to 1)
	Also 1 if the value is negative or zero.
	$part_response - A concatenation of the part and response id
	identifying exactly what is being 'answered'.


=cut	=cut

sub increment_counter {	sub increment_counter {
my ($increment) = @_;	my ($increment, $part_response) = @_;
if (defined($increment) && $increment gt 0) {	if (!defined($increment) \|\| $increment le 0) {
$Apache::lonxml::counter+=$increment;	$increment = 1;
} else {	}
$Apache::lonxml::counter++;	$Apache::lonxml::counter += $increment;

	# If the caller supplied the response_id parameter,
	# Maintain its counter.. creating if necessary.

	if (defined($part_response)) {
	if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
	$Apache::lonxml::counters_per_part{$part_response} = 0;
	}
	$Apache::lonxml::counters_per_part{$part_response} += $increment;
	my $new_value = $Apache::lonxml::counters_per_part{$part_response};
}	}

$Apache::lonxml::counter_changed=1;	$Apache::lonxml::counter_changed=1;
}	}

Line 1078 sub store_counter {	Line 1147 sub store_counter {
}	}
}	}

	=pod

	=item bubble_lines_for_part(part_response)

	Returns the number of lines required to get a response for
	$part_response (this is just $Apache::lonxml::counters_per_part{$part_response}

	=cut

	sub bubble_lines_for_part {
	my ($part_response) = @_;

	if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
	return 0;
	} else {
	return $Apache::lonxml::counters_per_part{$part_response};
	}
	}

	=pod

	=item clear_bubble_lines_for_part

	Clears the hash of bubble lines per part. If a caller
	needs to analyze several resources this should be called between
	resources to reset the hash for each problem being analyzed.

	=cut

	sub clear_bubble_lines_for_part {
	undef(%Apache::lonxml::counters_per_part);
	}

	=pod

	=item set_bubble_lines(part_response, value)

	If there is a problem part, that for whatever reason
	requires bubble lines that are not
	the same as the counter increment, it can call this sub during
	analysis to set its hash value explicitly.

	=cut

	sub set_bubble_lines {
	my ($part_response, $value) = @_;

	$Apache::lonxml::counters_per_part{$part_response} = $value;
	}

	=pod

	=item get_bubble_line_hash

	Returns the current bubble line hash. This is assumed to
	be small so we return a copy


	=cut

	sub get_bubble_line_hash {
	return %Apache::lonxml::counters_per_part;
	}


	#--------------------------------------------------

sub get_all_text {	sub get_all_text {
my($tag,$pars,$style)= @_;	my($tag,$pars,$style)= @_;
my $gotfullstack=1;	my $gotfullstack=1;
Line 1254 sub do_registered_ssi {	Line 1390 sub do_registered_ssi {
&Apache::lonnet::ssi($url,%form);	&Apache::lonnet::ssi($url,%form);
}	}
}	}

	sub add_script_result {
	my ($display) = @_;
	push(@script_var_displays, $display);
	}

#	#
# Afterburner handles anchors, highlights and links	# Afterburner handles anchors, highlights and links
#	#
Line 1334 SIMPLECONTENT	Line 1476 SIMPLECONTENT


sub inserteditinfo {	sub inserteditinfo {
my ($result,$filecontents,$filetype)=@_;	my ($filecontents, $filetype, $filename)=@_;
$filecontents = &HTML::Entities::encode($filecontents,'<>&"');	$filecontents = &HTML::Entities::encode($filecontents,'<>&"');
# my $editheader='<a href="#editsection">Edit below</a><hr />';	# my $editheader='<a href="#editsection">Edit below</a><hr />';
my $xml_help = '';	my $xml_help = '';
my $initialize='';	my $initialize='';
if ($filetype eq 'html') {	my $textarea_id = 'filecont';
my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons();	my ($add_to_onload, $add_to_onresize);
$initialize=&Apache::lonhtmlcommon::spellheader();	$initialize=&Apache::lonhtmlcommon::spellheader();
if (!&Apache::lonhtmlcommon::htmlareablocked() &&	if ($filetype eq 'html'
&Apache::lonhtmlcommon::htmlareabrowser()) {	&& (!&Apache::lonhtmlcommon::htmlareablocked() &&
$initialize.=(<<FULLPAGE);	&Apache::lonhtmlcommon::htmlareabrowser())) {
	$textarea_id .= '___Frame';
	my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
	$initialize.=(<<FULLPAGE);
<script type="text/javascript">	<script type="text/javascript">
$addbuttons	lonca

HTMLArea.loadPlugin("FullPage");

function initDocument() {	function initDocument() {
var editor=new HTMLArea("filecont",config);	var oFCKeditor = new FCKeditor('filecont');
editor.registerPlugin(FullPage);	oFCKeditor.Config['CustomConfigurationsPath'] = '/fckeditor/loncapaconfig.js' ;
editor.generate();	oFCKeditor.Config['FullPage'] = true
	oFCKeditor.Config['AutoDetectLanguage'] = false;
	oFCKeditor.Config['DefaultLanguage'] = "$lang";
	oFCKeditor.ReplaceTextarea();
	}
	function check_if_dirty(editor) {
	if (editor.IsDirty()) {
	unClean();
	}
	}
	function FCKeditor_OnComplete(editor) {
	editor.Events.AttachEvent("OnSelectionChange",check_if_dirty);
	resize_textarea('$textarea_id','LC_aftertextarea');
}	}
</script>	</script>
FULLPAGE	FULLPAGE
} else {	} else {
$initialize.=(<<FULLPAGE);	$initialize.=(<<FULLPAGE);
<script type="text/javascript">	<script type="text/javascript">
$addbuttons
function initDocument() {	function initDocument() {
	resize_textarea('$textarea_id','LC_aftertextarea');
}	}
</script>	</script>
FULLPAGE	FULLPAGE
}	}
$result=~s/\<body([^\>]*)\>/\<body onload="initDocument()" $1\>/i;
	$add_to_onload = 'initDocument();';
	$add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";

	if ($filetype eq 'html') {
$xml_help=&Apache::loncommon::helpLatexCheatsheet();	$xml_help=&Apache::loncommon::helpLatexCheatsheet();
}	}
my $cleanbut = '';

my $titledisplay=&display_title();	my $titledisplay=&display_title();
my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',	my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
Line 1377 FULLPAGE	Line 1534 FULLPAGE
'dv' => 'Discard Edits and View',	'dv' => 'Discard Edits and View',
'un' => 'undo',	'un' => 'undo',
'ed' => 'Edit');	'ed' => 'Edit');
my $buttons=(<<BUTTONS);	my $spelllink .=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
$cleanbut	my $textarea_events = &Apache::edit::element_change_detection();
<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />	my $form_events = &Apache::edit::form_change_detection();
<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" /><hr>
<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
BUTTONS
$buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
my $editfooter=(<<ENDFOOTER);	my $editfooter=(<<ENDFOOTER);
$initialize	$initialize
<hr />
<a name="editsection" />	<a name="editsection" />
<form method="post" name="xmledit">	<form $form_events method="post" name="xmledit">
$xml_help	<div class="LC_edit_problem_editxml_header">
<input type="hidden" name="editmode" value="$lt{'ed'}" />	<table class="LC_edit_problem_header_title"><tr><td>
$buttons<br />	$filename
<textarea style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>	</td><td align="right">
<br />$buttons	$xml_help
<br />	</td></tr>
	</table>
	<div class="LC_edit_problem_discards">
	<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
	<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" />
	$spelllink
	</div>
	<div class="LC_edit_problem_saves">
	<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
	<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
	</div>
	</div>
	<textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
	<div id="LC_aftertextarea">
	<br />
	$titledisplay
	</div>
</form>	</form>
$titledisplay
</body>	</body>
ENDFOOTER	ENDFOOTER
# $result=~s/(\<body[^\>]*\>)/$1$editheader/is;	return ($editfooter,$add_to_onload,$add_to_onresize);;
$result=~s/(\<\/body\>)/$editfooter/is;
return $result;
}	}

sub get_target {	sub get_target {
Line 1498 ENDNOTFOUND	Line 1662 ENDNOTFOUND
['editmode']);	['editmode']);
}	}
if (!$env{'form.editmode'} \|\| $env{'form.viewmode'} \|\| $env{'form.discardview'}) {	if (!$env{'form.editmode'} \|\| $env{'form.viewmode'} \|\| $env{'form.discardview'}) {
	&Apache::structuretags::reset_problem_globals();
$result = &Apache::lonxml::xmlparse($request,$target,$filecontents,	$result = &Apache::lonxml::xmlparse($request,$target,$filecontents,
'',%mystyle);	'',%mystyle);
undef($Apache::lonhomework::parsing_a_task);	# .html files may contain <problem> or <Task> need to clean
	# up if it did
	&Apache::structuretags::reset_problem_globals();
	&Apache::lonhomework::finished_parsing();
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['rawmode']);	['rawmode']);
if ($env{'form.rawmode'}) { $result = $filecontents; }	if ($env{'form.rawmode'}) { $result = $filecontents; }
	if ($filetype eq 'sty') {
	my $controls =
	($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls()
	: '';
	my %options = ('bgcolor' => '#FFFFFF');
	$result =
	&Apache::loncommon::start_page(undef,undef,\%options).
	$controls.
	$result.
	&Apache::loncommon::end_page();
	}
}	}
}	}

#	#
# Edit action? Insert editing commands	# Edit action? Insert editing commands
#	#
unless ($env{'request.state'} eq 'published') {	unless ($env{'request.state'} eq 'published') {
if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))	if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
{	{
my $displayfile=$request->uri;	my $displayfile=$request->uri;
$displayfile=~s/^\/[^\/]*//;	$displayfile=~s/^\/[^\/]*//;
my %options = ();
	my ($edit_info, $add_to_onload, $add_to_onresize)=
	&inserteditinfo($filecontents,$filetype,$displayfile);

	my %options =
	('add_entries' =>
	{'onresize' => $add_to_onresize,
	'onload' => $add_to_onload, });

if ($env{'environment.remote'} ne 'off') {	if ($env{'environment.remote'} ne 'off') {
$options{'bgcolor'} = '#FFFFFF';	$options{'bgcolor'} = '#FFFFFF';
	$options{'only_body'} = 1;
}	}
my $start_page = &Apache::loncommon::start_page(undef,undef,	my $js =
	&Apache::edit::js_change_detection().
	&Apache::loncommon::resize_textarea_js();
	my $start_page = &Apache::loncommon::start_page(undef,$js,
\%options);	\%options);
$result=$start_page.	$result=$start_page.
&Apache::lonxml::message_location().'<h3>'.	&Apache::lonxml::message_location().
$displayfile.	$edit_info.
'</h3>'.&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
$result=&inserteditinfo($result,$filecontents,$filetype);
}	}
}	}
if ($filetype eq 'html') { &writeallows($request->uri); }	if ($filetype eq 'html') { &writeallows($request->uri); }


&Apache::lonxml::add_messages(\$result);	&Apache::lonxml::add_messages(\$result);
$request->print($result);	$request->print($result);
Line 1578 sub show_error_warn_msg {	Line 1767 sub show_error_warn_msg {
}	}

sub error {	sub error {
	my @errors = @_;

$errorcount++;	$errorcount++;

	if (defined($Apache::inputtags::part)) {
	if ( @Apache::inputtags::response ) {
	push(@errors,
	&mt("This error occurred while processing response [_1] in part [_2]",
	$Apache::inputtags::response[-1],
	$Apache::inputtags::part));
	} else {
	push(@errors,
	&mt("This error occurred while processing part [_1]",
	$Apache::inputtags::part));
	}
	}

if ( &show_error_warn_msg() ) {	if ( &show_error_warn_msg() ) {
# If printing in construction space, put the error inside <pre></pre>	# If printing in construction space, put the error inside <pre></pre>
push(@Apache::lonxml::error_messages,	push(@Apache::lonxml::error_messages,
$Apache::lonxml::warnings_error_header.	$Apache::lonxml::warnings_error_header.
"<b>ERROR:</b>".join("<br />\n",@_)."<br />\n");	"<b>ERROR:</b>".join("<br />\n",@errors)."<br />\n");
$Apache::lonxml::warnings_error_header='';	$Apache::lonxml::warnings_error_header='';
} else {	} else {
my $errormsg;	my $errormsg;
Line 1593 sub error {	Line 1798 sub error {
$errormsg=&mt("An error occured while processing this resource. The author has been notified.");	$errormsg=&mt("An error occured while processing this resource. The author has been notified.");
}	}
my $host=$Apache::lonnet::perlvar{'lonHostID'};	my $host=$Apache::lonnet::perlvar{'lonHostID'};
my $msg = join('<br />',(@_,"The error occurred on host <tt>$host</tt>"));	push(@errors, "The error occurred on host <tt>$host</tt>");

	my $msg = join('<br />', @errors);

#notify author	#notify author
&Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);	&Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);
#notify course	#notify course

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.447
changed lines
	Added in v.1.470