--- loncom/interface/lonprintout.pm 2002/11/20 17:26:52 1.93 +++ loncom/interface/lonprintout.pm 2010/05/11 11:10:19 1.575.2.2 @@ -1,7 +1,8 @@ +# # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.93 2002/11/20 17:26:52 sakharuk Exp $ +# $Id: lonprintout.pm,v 1.575.2.2 2010/05/11 11:10:19 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -22,23 +23,10 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt -# # http://www.lon-capa.org/ # -# (Internal Server Error Handler -# -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) -# -# 3/1/1 Gerd Kortemeyer) -# -# 3/1 Gerd Kortemeyer -# -# 9/17 Alex Sakharuk # package Apache::lonprintout; - use strict; use Apache::Constants qw(:common :http); use Apache::lonxml; @@ -49,726 +37,778 @@ use Apache::grades; use Apache::edit; use Apache::File(); use Apache::lonnavmaps; +use Apache::admannotations; +use Apache::lonenc; +use Apache::entities; +use Apache::londefdef; + +use File::Basename; + +use HTTP::Response; + +use LONCAPA::map(); use POSIX qw(strftime); -use GDBM_File; +use Apache::lonlocal; +use Carp; +use LONCAPA; + +my %perm; +my %parmhash; +my $resources_printed; +# Global variables that describe errors in ssi calls detected by ssi_with_retries. +# -my %hash; -my $LaTeXwidth = 0; +my $ssi_error; # True if there was an ssi error. +my $ssi_last_error_resource; # The resource URI that could not be fetched. +my $ssi_last_error + ; # The error text from the server. (e.g. 500 Server timed out). -sub headerform { - my $r = shift; - $r->print(< - -LON-CAPA output for printing - - -
-ENDHEADER - if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { - $r->print(<Path to current document: $ENV{'form.postdata'}

-ENDHEADER1 +# +# Our ssi max retry count. +# + +my $ssi_retry_count = 5; # Some arbitrary value. + +# Font size: + +my $font_size = 'normalsize'; # Default is normalsize... + +# +# Useful filters that will be filled in by printHelper. +# These are put here to support modularizing helpers into +# less of a helper soup than it was originally: +# These can't be filled in here as there's some conditionalization +# involved. +# + +my $isProblem; +my $isProblemOrMap; +my $isNotMap; +my $isMap; +my $symbFilter; + +#---------------------------- Helper helpers. ------------------------- + + +# Returns the text needd for a student chooser. +# that text must still be parsed by the helper xml parser. +# Parameters: +# this_state - State name of the chooser. +# sort_choice - variable to hold the sorting choice. +# variable - Name of variable to hold students. +# next_state - State after chooser. + +sub generate_student_chooser { + my ( $this_state, $sort_choice, $variable, $next_state ) = @_; + my $result = < + Select sorting order of printout + + + Sort by section then student + Sort by students across sections. + + +


+ + + +CHOOSE_STUDENTS + + return $result; +} + +# Generate the text needed for a resource chooser given the top level of +# the sequence/page +# +# Parameters: +# this_state - State name of the chooser. +# prompt_text - Text to use to prompt user. +# resource_options - Resource tag options e.g. +# "multichoice='1', toponly='1', addstatus='1'" +# that control the selection and appearance of the +# resource selector. +# variable - Name of the variable to hold the choice +# next_state - Name of the next state the helper should transition +# to +# top_url - Top level URL within which to make the selector. +# If empty the top level sequence is shown. +# filter - How to filter the resources. +# value_func - function. +# choice_func - If not empty generates a with this function. +# start_new_option +# - Fragment appended after valuefunc. +# +# +sub generate_resource_chooser { + my ( + $this_state, $prompt_text, $resource_options, + $variable, $next_state, $top_url, + $filter, $choice_func, $value_func, + $start_new_option + ) = @_; + + my $result = < + + $next_state + return $filter; +CHOOSE_RESOURCES + if ( $choice_func ne '' ) { + $result .= "return $choice_func;"; + } + if ( $top_url ne '' ) { + $result .= "$top_url"; + } + $result .= <return $value_func; + $start_new_option + + +CHOOSE_RESOURCES + + return $result; } + +# +# Generate the helper XML for a code choice helper dialog: +# +# Paramters: +# $helper - Reference to the helper. +# $state - Name of the state for the chooser. +# $next_state - Name fo the state to follow the chooser. +# $bubble_types - Populates the bubble sheet type dropt down. +# $code_selections - Provides set of code choices that have been used +# $saved_codes - Provides the list of saved codes. +# +# Returns; +# The Xml of the code chooser. +# +sub generate_code_selector { + my ( $helper, $state, $next_state, $bubble_types, $code_selections, + $saved_codes ) + = @_; # Unpack the parameters. + + my $result = < + $next_state +

Fill out one of the forms below

 +

+

Generate new CODEd Assignments

 +
Number of CODEd assignments to print: + + + if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && + !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && + !\$helper->{'VARS'}{'SINGLE_CODE'} && + !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { + return "You need to specify the number of assignments to print"; + } + return undef; + + +
+ Names to save the CODEs under for later: + + +
+ Bubble sheet type: + + + $bubble_types + +
+
+

Print a Specific CODE


+
Enter a CODE to print: + + + if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && + !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && + !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { + return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, + \$helper->{'VARS'}{'CODE_OPTION'}); + } else { + return undef; # Other forces control us. + } + + +
+ $code_selections +
+

Reprint a Set of Saved CODEs

+ Select saved CODEs: + + + $saved_codes + +
+ +CHOOSE_ANON1 + + return $result; } +# Returns the XML for the states associated with choosing incomplete problems +# for selected students: +# Paramterss: +# helper - reference to the helper. +# map - Map within which to generate the selector. +# base_state - The first/base state of the helper subsegment. +# +# +# +# States we will use: +# $base_state - Selects resources. +# $base_state.WHO - Selects the people to display. +# $base_state.FORMAT - Selects the final print format etc. +# -sub menu_for_output { - my $r = shift; - my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu; - my $assignment = $title_for_sequence; - if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';} - if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';} - if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';} - my $subdir_to_print = $ENV{'form.postdata'}; - $subdir_to_print =~ m/\/([^\/]+)$/; - $subdir_to_print =~ s/$1//; - $r->print(<What do you want to print? Make a choice.
- - - - Current document $title_for_single_resource -(prints what you just saw on the screen)
-ENDMENUOUT1 - if ($ENV{'form.postdata'}=~/\/res\//) { - $r->print(< Problem(s) from $title_for_sequence
- Problem(s) plus page(s) or html/xml file(s) from $title_for_sequence
-ENDMENUOUT2 - } - if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) { - $r->print(< All problems in this course (warning: this may be time consuming)
-
- All problems from $title_for_sequence for selected students

-ENDMENUOUT6 +sub generate_incomplete_states { + my ($helper, $map, $base_state) = @_; + my $result = ''; + + $result .= &generate_resource_chooser( + $base_state, + 'Select Problem(s) to print.', + "multichoice='1' addstatus='1'", + 'RESOURCES', + $base_state.'WHO', + '', + '$res->is_incomplete()' + ); + $result .= &generate_student_chooser( + $base_state.'WHO', + 'student_sort', + 'STUDENTS', + $base_state.'FORMAT'); + return $result; +} + +#----------------------------------------------------------------------- + +# Fetch the contents of a resource, uninterpreted. +# This is used here to fetch a latex file to be included +# verbatim into the printout< +# NOTE: Ask Guy if there is a lonnet function similar to this? +# +# Parameters: +# URL of the file +# +sub fetch_raw_resource { + my ($url) = @_; + + my $filename = &Apache::lonnet::filelocation( "", $url ); + my $contents = &Apache::lonnet::getfile($filename); + + if ( $contents == -1 ) { + return "File open failed for $filename"; # This will bomb the print. } - my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); - $subdirtoprint =~ s/\/[^\/]+$//; - if ((&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') and ($ENV{'form.postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) { - $r->print(< Problems from current subdirectory $subdir_to_print
-ENDMENUOUT4 - } - $r->print(<

-

And what page format do you prefer?

- - - - - - - -
- Landscape
- Portrait
- 		  - Number of columns: - - Paper size (format [width x height]): -
-
- -ENDMENUOUT5 -} - - -sub sequence_content_menu { - my ($key_to,$r) = @_; - my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); - my @sequence = split('___',$symbolic); - my $primary_sequence = '/res/'.$sequence[0]; - my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]); - my @master_seq_view = @master_seq; - for (my $i=0;$i<=$#master_seq_view;$i++) { - $master_seq_view[$i]=~/\/([^\/]+)$/; - $master_seq_view[$i]=$1; - } - $r->print(< - - - - - -

Mark item(s) which you want to print

- -  - -

-ENDMENUOUT1 - my $inc=0; - for (my $i=0;$i<=$#master_seq_view;$i++) { - if ($key_to==1 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { - $r->print('
'. - $master_seq_view[$i]); - $inc++; - } elsif ($key_to==0 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) { - $r->print('
'. - $master_seq_view[$i]); - $inc++; - } + return $result; +} + +# +# Set a global document font size: +# This is done by replacing \begin{document} +# with \begin{document}{\some-font-directive +# and \end{document} with +# }\end{document +# +sub set_font_size { + + my ($text) = @_; + + # There appear to be cases where the font directive is empty.. in which + # case the first substituion would insert a spurious \ oh happy day. + # as this has been the cause of much mystery and hair pulling _sigh_ + + if ( $font_size ne '' ) { + + $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/; } - $r->print(< - - - -ENDMENUOUT2 + $text =~ s/\\end{document}/}\\end{document}/; + return $text; } +# include_pdf - PDF files are included into the +# output as follows: +# - The PDF, if necessary, is replicated. +# - The PDF is added to the list of files to convert to postscript (along with the images). +# - The LaTeX is added to include the final converted postscript in the file as an included +# job. The assumption is that the includedpsheader.ps header will be included. +# +# Parameters: +# pdf_uri - URI of the PDF file to include. +# +# Returns: +# The LaTeX to include. +# +# Assumptions: +# The uri is actually a PDF file +# The postscript will have the includepsheader.ps included. +# +# +sub include_pdf { + my ($pdf_uri) = @_; -sub problem_choice_menu { - my $r = shift; - my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); - $subdirtoprint =~ s/\/[^\/]+$//; - my @list_of_files = (); - if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { - $subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//; - } else { - $subdirtoprint =~ s/.*(\/res\/)/$1/; - } - my @content_directory = (); - if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { - @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},''); - } else { - @content_directory = &Apache::lonnet::dirlist($subdirtoprint); - } - for (my $iy=0;$iy<=$#content_directory;$iy++) { - my @tempo_array = split(/&/,$content_directory[$iy]); - if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) { - push(@list_of_files,$tempo_array[0]); - } - } - $subdirtoprint =~ s/\/$//; - for (my $i=0;$i<=$#list_of_files;$i++) { - $list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i]; - } - $r->print(< - - - -

Mark problems which you want to print

- -  - -

-ENDMENUOUT1 - my $i=0; - foreach my $file (@list_of_files) { - $r->print('
'. - $file); - $i++; + + return $content; + +} + +sub get_student_view_with_retries { + my ( + $curresline, $retries, $username, $userdomain, + $courseid, $target, $moreenv + ) = @_; + + my ( $content, $response ) = + &Apache::loncommon::get_student_view_with_retries( + $curresline, $retries, $username, $userdomain, + $courseid, $target, $moreenv + ); + if ( !$response->is_success ) { + $ssi_error = 1; + $ssi_last_error_resource = + $curresline . ' for user ' . $username . ':' . $userdomain; + $ssi_last_error = $response->code . " " . $response->message; + $content = '\section*{!!! An error occurred !!!}'; + &Apache::lonnet::logthis( +"Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain" + ); } - $r->print(< - - - - -ENDMENUOUT2 + return $content; + } +# +# printf_style_subst item format_string repl +# +# Does printf style substitution for a format string that +# can have %[n]item in it.. wherever, %[n]item occurs, +# rep is substituted in format_string. Note that +# [n] is an optional integer length. If provided, +# repl is truncated to at most [n] characters prior to +# substitution. +# +sub printf_style_subst { + my ( $item, $format_string, $repl ) = @_; + my $result = ""; + while ( $format_string =~ /(%)(\d*)\Q$item\E/g ) { + my $fmt = $1; + my $size = $2; + my $subst = $repl; + if ( $size ne "" ) { + $subst = substr( $subst, 0, $size ); + + # Here's a nice edge case.. supose the end of the + # substring is a \. In that case may have just + # chopped off a TeX escape... in that case, we append + # " " for the trailing character, and let the field + # spill over a bit (sigh). + # We don't just chop off the last character in order to deal + # with one last pathology, and that would be if substr had + # trimmed us to e.g. \\\ -sub additional_class_menu { - my $r = shift; - $r->print(< - - - - -

Select student(s) whose assignment you want to print

-ENDMENUOUT1 - my %courselist=&Apache::lonnet::dump( - 'classlist', - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); - my $now=time; - $r->print(< - function checkall() { - for (i=0; i -  - -  - -

-ENDDISHEADER - my $i = 0; - foreach (sort keys %courselist) { - my ($end,$start)=split(/\:/,$courselist{$_}); - my $active=1; - if (($end) && ($now>$end)) { $active=0; } - if ($active) { - my ($sname,$sdom)=split(/\:/,$_); - my %reply=&Apache::lonnet::get('environment', - ['firstname','middlename','lastname','generation'], - $sdom,$sname); - my $section=&Apache::lonnet::usection - ($sdom,$sname,$ENV{'request.course.id'}); - $r->print( - '
'. - $reply{'firstname'}.' '. - $reply{'middlename'}.' '. - $reply{'lastname'}.' '. - $reply{'generation'}. - ' ('.$_.') '.$section); - $i++; - } + + # + # We're going to trust LaTeX to break lines appropriately, but + # we'll truncate anything that's more than 3 lines worth of + # text. This is also assuming (which will probably end badly) + # nobody's going to embed LaTeX control sequences in the title + # header or rather that those control sequences won't get broken + # by the stuff below. + # + my $total_length = 3 * $chars_per_line; + if ( length($format) > $total_length ) { + $format = substr( $format, 0, $total_length ); } - $r->print(<Number of blank pages to add: -
- - - - -ENDMENUOUT2 + + return $format; + } +# +# Convert a numeric code to letters +# +sub num_to_letters { + my ($num) = @_; + my @nums = split( '', $num ); + my @num_to_let = ( 'A' .. 'Z' ); + my $word; + foreach my $digit (@nums) { $word .= $num_to_let[$digit]; } + return $word; +} -sub additional_print_menu { - my $r = shift; - my $what_to_print = ''; - for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) { - $what_to_print .= ''; - } - for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) { - $what_to_print .= ''; - } - for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) { - $what_to_print .= ''; - } - $r->print(< - - - - - - - - - -Define one column layout parameters:
-Width:
-Height:
-Left margin:
- - - - - -ENDMENUOUT +# Convert a letter code to numeric. +# +sub letters_to_num { + my ($letters) = @_; + my @letters = split( '', uc($letters) ); + my %substitution; + my $digit = 0; + foreach my $letter ( 'A' .. 'J' ) { + $substitution{$letter} = $digit; + $digit++; + } + + # The substitution is done as below to preserve leading + # zeroes which are needed to keep the code size exact + # + my $result = ""; + foreach my $letter (@letters) { + $result .= $substitution{$letter}; + } + return $result; } +# Determine if a code is a valid numeric code. Valid +# numeric codes must be comprised entirely of digits and +# have a correct number of digits. +# +# Parameters: +# value - proposed code value. +# num_digits - Number of digits required. +# +sub is_valid_numeric_code { + my ( $value, $num_digits ) = @_; -sub output_data { - my $r = shift; - $r->print(< - -LON-CAPA output for printing - - -

-ENDPART + # Remove leading/trailing whitespace; + $value =~ s/^\s*//g; + $value =~ s/\s*$//g; + + # All digits? + if ( $value !~ /^[0-9]+$/ ) { + return + "Numeric code $value has invalid characters - must only be digits"; + } + if ( length($value) != $num_digits ) { + return +"Numeric code $value incorrect number of digits (correct = $num_digits)"; + } + return undef; +} - my $choice = $ENV{'form.choice'}; - my $layout = $ENV{'form.layout'}; - my $numberofcolumns = $ENV{'form.numberofcolumns'}; - my $papersize = $ENV{'form.papersize'}; - my $laystyle = 'book'; - my $assignment = $ENV{'form.assignment'}; - if ($choice eq 'Subdirectory print') { - if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';} - if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';} - if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;} - } - if (($choice eq 'Standard LaTeX output for current document') && ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./)) { - if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';} - if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';} - if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;} +# Determines if a code is a valid alhpa code. Alpha codes +# are ciphers that map [A-J,a-j] -> 0..9 0..9. +# They also have a correct digit count. +# Parameters: +# value - Proposed code value. +# num_letters - correct number of letters. +# Note: +# leading and trailing whitespace are ignored. +# +sub is_valid_alpha_code { + my ( $value, $num_letters ) = @_; + + # strip leading and trailing spaces. + + $value =~ s/^\s*//g; + $value =~ s/\s*$//g; + + # All alphas in the right range? + if ( $value !~ /^[A-J,a-j]+$/ ) { + return "Invalid letter code $value must only contain A-J"; } - my $result = ''; - my $number_of_columns = 1; #used only for pages to determine the width of the cell - my $selectionmade = ''; - my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns); - my $LaTeXwidth; - - if ($textwidth=~/(\d+\s*cm)/) { - $LaTeXwidth = $1*10; - } elsif ($textwidth=~/(\d+\s*mm)/) { - $LaTeXwidth = $1; - } - if ($choice eq 'Standard LaTeX output for current document') { - #-- single document - problem, page, html, xml - $selectionmade = 1; - if ($ENV{'form.url'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { - my %moreenv; - $moreenv{'form.grade_target'}='tex'; - if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) { - $ENV{'form.url'}=~s/http:\/\/[^\/]+//; - } - $moreenv{'request.filename'}=$ENV{'form.url'}; - $moreenv{'form.textwidth'}=$LaTeXwidth; - &Apache::lonnet::appenv(%moreenv); - my $texversion=&Apache::lonnet::ssi($ENV{'form.url'}); - &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter'); - $result .= $texversion; - if ($ENV{'form.url'}=~m/\.page\s*$/) { - ($result,$number_of_columns) = &page_cleanup($result); - } - } else{ - $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}You are trying to print eather sequence or something simular. Currently this option is not supported. Sorry for the inconvenience. Bye. Your current URL is '.$ENV{'form.url'}.' \end{document}' - } - } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or - $choice eq 'Standard LaTeX output for whole primary sequence') { - #-- minimal sequence to which the current document belongs - #-- where is the primary sequence containing file? - my @master_seq = (); - for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) { - if ($ENV{'form.whatfile'.$i}=~/\S/) { - push @master_seq,$ENV{'form.whatfile'.$i}; - } - } - #-- produce an output string - my $flag_latex_header_remove = 'NO'; - my $flag_page_in_sequence = 'NO'; - for (my $i=0;$i<=$#master_seq;$i++) { - my ($urlp,$symb) = split /&&/, $master_seq[$i]; - if ($choice eq 'Standard LaTeX output for the primary sequence') { - $selectionmade = 2; - } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') { - $selectionmade = 3; - } - my %moreenv; - $moreenv{'form.grade_target'}='tex'; - $moreenv{'form.textwidth'}=$LaTeXwidth; - &Apache::lonnet::appenv(%moreenv); - &Apache::lonnet::logthis("Trying to get $urlp with symb $symb"); - my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb)); - &Apache::lonnet::delenv('form.grade_target','form.textwidth'); - if ($urlp =~ m/\.page/) { - ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); - if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} - $texversion =~ s/\\end{document}\d*/\\end{document}/; - $flag_page_in_sequence = 'YES'; - } - if ($flag_latex_header_remove ne 'NO') { - $texversion = &latex_header_footer_remove($texversion); - } else { - $texversion =~ s/\\end{document}//; - } - $result .= $texversion; - $flag_latex_header_remove = 'YES'; - } - &Apache::lonnet::delenv('form.counter'); - if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} - $result .= '\end{document}'; - } elsif ($choice eq 'Standard LaTeX output for the top level sequence') { - # where is the main sequence of the course? - $selectionmade = 4; - my $main_seq = '/res/'.$ENV{'request.course.uri'}; - my @file_seq = &coming_from_hash_whole($main_seq); - my $flag_latex_header_remove = 'NO'; - #-- produce an output string - for (my $i=0;$i<=$#file_seq;$i++) { - my ($urlp,$symb) = split /&&/, $file_seq[$i]; - $urlp=~s/\/home\/httpd\/html//; - if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) { - my %moreenv; - $moreenv{'form.grade_target'}='tex'; - $moreenv{'form.textwidth'}=$LaTeXwidth; - &Apache::lonnet::appenv(%moreenv); - my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb)); - &Apache::lonnet::delenv('form.grade_target','form.textwidth'); - if ($flag_latex_header_remove ne 'NO') { - $texversion = &latex_header_footer_remove($texversion); - } else { - $texversion =~ s/\\end{document}//; - } - $result .= $texversion; - $flag_latex_header_remove = 'YES'; - } - } - $result .= '\end{document}'; - } elsif ($choice eq 'All class print') { - #-- prints assignments for whole class or for selected students - $selectionmade = 5; - my @students = (); - for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) { - if ($ENV{'form.whomtoprint'.$i}=~/:/) { - push @students,$ENV{'form.whomtoprint'.$i}; - } - } - #where is the primary sequence containing current resource (the same for all students)? - my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); - my @sequence = split('___',$symbolic); - my $primary_sequence = '/res/'.$sequence[0]; - my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]); - #loop over students - my $flag_latex_header_remove = 'NO'; - my %moreenv; - $moreenv{'form.textwidth'}=$LaTeXwidth; - &Apache::lonnet::appenv(%moreenv); - foreach my $person (@students) { - my $current_output = ''; - my ($usersection,$username,$userdomain) = split /:/,$person; - my $fullname = &Apache::grades::get_fullname($username,$userdomain); - #goes through all resources, checks if they are available for current student, and produces output - foreach my $curresline (@master_seq) { - my ($curres,$symb) = split /&&/, $curresline; - if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) { - my ($map,$id,$res_url) = split(/___/,$symb); - if (&Apache::lonnet::allowed('bre',$res_url)) { - my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain, - $ENV{'request.course.id'},'tex'); - if ($flag_latex_header_remove eq 'YES') { - $rendered = &latex_header_footer_remove($rendered); - } else { - $rendered =~ s/\\end{document}//; - } - $current_output .= $rendered; - } - $flag_latex_header_remove = 'YES'; - } - } - if ($current_output=~/\\documentclass/) { - my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\pagestyle{myheadings}\\markboth{}{{$courseidinfo - $assignment}}\\begin{document}\\noindent\\textit{\\textbf{$fullname}}\\vskip 3 mm /; - } else { - my $blanspages = ''; - for (my $j=0;$j<$ENV{'form.addedpages'};$j++) {$blanspages.='\clearpage\strut\clearpage';} - $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License } \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\textit{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output; - } - $result .= $current_output; - &Apache::lonnet::delenv('form.counter'); - } - $result .= '\end{document}'; - &Apache::lonnet::delenv('form.textwidth'); - } elsif ($choice eq 'Subdirectory print') { - #prints selected problems from the subdirectory - $selectionmade = 6; - my @list_of_files = (); - for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) { - if ($ENV{'form.whattoprint'.$i}=~/^\//) { - push @list_of_files,$ENV{'form.whattoprint'.$i}; - } - } - my $flag_latex_header_remove = 'NO'; - for (my $i=0;$i<=$#list_of_files;$i++) { - my $urlp = $list_of_files[$i]; - if ($urlp=~/\//) { - my %moreenv; - $moreenv{'form.grade_target'}='tex'; - $moreenv{'form.textwidth'}=$LaTeXwidth; - &Apache::lonnet::appenv(%moreenv); - if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { - $urlp =~ s/\/home\/([^\/]*)\/public_html/\/~$1/; - } - my $texversion=&Apache::lonnet::ssi($urlp); - &Apache::lonnet::delenv('form.grade_target','form.textwidth'); - #this chunck is responsible for printing the path to problem - my $newurlp = ''; - my $HowMany = length($urlp)*2; - if ($HowMany > $LaTeXwidth) { - my @temporrary = split '/',$urlp; - my $HowManyNew = 0; - for (my $ii=0;$ii<=$#temporrary;$ii++) { - if ($temporrary[$ii] ne '') { - $HowManyNew += length($temporrary[$ii])*2; - if ($HowManyNew < $LaTeXwidth ) { - $newurlp .= '/'.$temporrary[$ii]; - } else { - $HowManyNew = 0; - $newurlp .= '|\vskip -1 mm \noindent \verb|'; - $ii--; - } - } - } - } - $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/; - if ($flag_latex_header_remove ne 'NO') { - $texversion = &latex_header_footer_remove($texversion); - } else { - $texversion =~ s/\\end{document}//; - } - $result .= $texversion; - } - $flag_latex_header_remove = 'YES'; - } - $result .= '\end{document}'; + if ( length($value) != $num_letters ) { + return +"Letter code $value has incorrect number of letters (correct = $num_letters)"; } -#-------------------------------------------------------- corrections for the different page formats - $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result,$assignment); - if ($layout eq 'CBI') { - $laystyle = 'album'; + return undef; +} + +# Determine if a code entered by the user in a helper is valid. +# valid depends on the code type and the type of code selected. +# The type of code selected can either be numeric or +# Alphabetic. If alphabetic, the code, in fact is a simple +# substitution cipher for the actual numeric code: 0->A, 1->B ... +# We'll be nice and be case insensitive for alpha codes. +# Parameters: +# code_value - the value of the code the user typed in. +# code_option - The code type selected from the set in the scantron format +# table. +# Returns: +# undef - The code is valid. +# other - An error message indicating what's wrong. +# +sub is_code_valid { + my ( $code_value, $code_option ) = @_; + my ( $code_type, $code_length ) = ( 'letter', 6 ); # defaults. + my @lines = &Apache::grades::get_scantronformat_file(); + foreach my $line (@lines) { + my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ]; + if ( $name eq $code_option ) { + $code_length = $length; + if ( $type eq 'number' ) { + $code_type = 'number'; + } + } } - $result = &latex_corrections($number_of_columns,$result); - #changes page's parameters for the one column output - if ($ENV{'form.numberofcolumns'} == 1) { - $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/; - $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/; - $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/; - $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/; + my $valid; + if ( $code_type eq 'number' ) { + return &is_valid_numeric_code( $code_value, $code_length ); } -#-- writing .tex file in prtspool - my $temp_file; - my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex"; - unless ($temp_file = Apache::File->new('>'.$filename)) { - $r->log_error("Couldn't open $filename for output $!"); - return SERVER_ERROR; - } - print $temp_file $result; -$r->print(< - - -FINALEND + else { + return &is_valid_alpha_code( $code_value, $code_length ); + } + } +# Compare two students by name. The students are in the form +# returned by the helper: +# user:domain:section:last, first:status +# This is a helper function for the perl sort built-in therefore: +# Implicit Inputs: +# $a - The first element to compare (global) +# $b - The second element to compare (global) +# Returns: +# -1 - $a < $b +# 0 - $a == $b +# +1 - $a > $b +# Note that the initial comparison is done on the last names with the +# first names only used to break the tie. +# +# +sub compare_names { -sub coming_from_hash_whole { + # First split the names up into the primary fields. - my $mainsequence = shift; - my @resourcelist = (); - my $mapid = $hash{'map_pc_'.$mainsequence}; - my $mapstart = $hash{'map_start_'.$mainsequence}; - my $mapfinish = $hash{'map_finish_'.$mainsequence}; - my $current_resource = $mapstart; - while ($current_resource ne $mapfinish) { - if ($hash{'src_'.$current_resource}=~/\.sequence$/) { - push @resourcelist,&coming_from_hash_whole($hash{'src_'.$current_resource}); - } else { - $mainsequence =~ /\/res\/(.*)$/; - my $presymb = $1; - my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}}; - if ($rid=~/,/) { - my @rid = split /,/, $rid; - foreach my $rid_element (@rid) { - if ($rid_element =~ m/^$mapid\.(\d*)/) { - $rid = $1; - last; - } - } - } else { - $rid =~ m/^$mapid\.(\d*)/; - $rid = $1; - } - $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/; - my $symb = $presymb.'___'.$rid.'___'.$1; - push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb; - } - $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}}; + my ( $u1, $d1, $s1, $n1, $stat1 ) = split( /:/, $a ); + my ( $u2, $d2, $s2, $n2, $stat2 ) = split( /:/, $b ); + + # Now split the last name and first name of each n: + # + + my ( $l1, $f1 ) = split( /,/, $n1 ); + my ( $l2, $f2 ) = split( /,/, $n2 ); + + # We don't bother to remove the leading/trailing whitespace from the + # firstname, unless the last names compare identical. + + if ( $l1 lt $l2 ) { + return -1; + } + if ( $l1 gt $l2 ) { + return 1; } - return @resourcelist; -} + # Break the tie on the first name, but there are leading (possibly trailing + # whitespaces to get rid of first + # + $f1 =~ s/^\s+//; # Remove leading... + $f1 =~ s/\s+$//; # Trailing spaces from first 1... -sub coming_from_hash { + $f2 =~ s/^\s+//; + $f2 =~ s/\s+$//; # And the same for first 2... - my ($mainsequence,$symb) = @_; - my @resourcelist = (); - my $mapid = $hash{'map_pc_'.$mainsequence}; - my $mapstart = $hash{'map_start_'.$mainsequence}; - my $mapfinish = $hash{'map_finish_'.$mainsequence}; - my ($presymb) = split(/___/,$symb); - $presymb = $presymb.'___'; - my $current_resource = $mapstart; - while ($current_resource ne $mapfinish) { - if (not $hash{'src_'.$current_resource}=~/\.sequence$/) { - my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}}; - if ($rid=~/,/) { - my @rid = split /,/, $rid; - foreach my $rid_element (@rid) { - if ($rid_element =~ m/^$mapid\.(\d*)/) { - $rid = $1; - last; - } - } - } else { - $rid =~ m/^$mapid\.(\d*)/; - $rid = $1; - } - $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/; - $symb = $presymb.$rid.'___'.$1; - push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb; - } else { - push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource}); - } - $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}}; + if ( $f1 lt $f2 ) { + return -1; } - #needs if final resource in the map (type="finish") contains something - if (not $hash{'src_'.$current_resource}=~/\.sequence$/) { - my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}}; - if ($rid=~/,/) { - my @rid = split /,/, $rid; - foreach my $rid_element (@rid) { - if ($rid_element =~ m/^$mapid\.(\d*)/) { - $rid = $1; - last; - } - } - } else { - $rid =~ m/^$mapid\.(\d*)/; - $rid = $1; - } - $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/; - $symb = $presymb.$rid.'___'.$1; - push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb; - } else { - push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource}); + if ( $f1 gt $f2 ) { + return 1; } - return @resourcelist; -} + # Must be the same name. + + return 0; +} sub latex_header_footer_remove { my $text = shift; @@ -777,543 +817,4383 @@ sub latex_header_footer_remove { return $text; } +# +# If necessary, encapsulate text inside +# a minipage env. +# necessity is determined by the problem_split param. +# +sub encapsulate_minipage { + my ($text) = @_; + if ( !( $env{'form.problem.split'} =~ /yes/i ) ) { + $text = '\begin{minipage}{\textwidth}' . $text . '\end{minipage}'; + } + return $text; +} + +# +# The NUMBER_TO_PRINT and SPLIT_PDFS +# variables interact, this sub looks at these two parameters +# and comes up with a final value for NUMBER_TO_PRINT which can be: +# all - if SPLIT_PDFS eq 'all'. +# 1 - if SPLIT_PDFS eq 'oneper' +# section - if SPLIT_PDFS eq 'sections' +# - if SPLIT_PDFS eq 'usenumber' +# +sub adjust_number_to_print { + my $helper = shift; + + my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; + + if ( $split_pdf eq 'all' ) { + $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; + } + elsif ( $split_pdf eq 'oneper' ) { + $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; + } + elsif ( $split_pdf eq 'sections' ) { + $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; + } + elsif ( $split_pdf eq 'usenumber' ) { + + # Unmodified. + } + else { + + # Error!!!! + + croak + "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; + + } +} sub character_chart { - my $result = shift; - $result =~ s/�?0?7;//g; - $result =~ s/�?0?9;//g; - $result =~ s/�?10;//g; - $result =~ s/�?13;//g; - $result =~ s/�?32;/ /g; - $result =~ s/�?33;/!/g; - $result =~ s/�?34;/"/g; - $result =~ s/"/"/g; #" - $result =~ s/�?35;/\\#/g; -# $result =~ s/�?36;/\\\$/g; - $result =~ s/�?37;/\\%/g; - $result =~ s/�?38;/\\&/g; - $result =~ s/&/\\&/g; - $result =~ s/�?39;/'/g; - $result =~ s/�?40;/(/g; - $result =~ s/�?41;/)/g; - $result =~ s/�?42;/\*/g; - $result =~ s/�?43;/\+/g; - $result =~ s/�?44;/,/g; - $result =~ s/�?45;/-/g; - $result =~ s/�?46;/\./g; - $result =~ s/�?47;/\//g; - $result =~ s/�?48;/0/g; - $result =~ s/�?49;/1/g; - $result =~ s/�?50;/2/g; - $result =~ s/�?51;/3/g; - $result =~ s/�?52;/4/g; - $result =~ s/�?53;/5/g; - $result =~ s/�?54;/6/g; - $result =~ s/�?55;/7/g; - $result =~ s/�?56;/8/g; - $result =~ s/�?57;/9/g; - $result =~ s/�?58;/:/g; - $result =~ s/�?59;/;/g; - $result =~ s/�?60;/\$<\$/g; - $result =~ s/</\$<\$/g; - $result =~ s/�?61;/\$=\$/g; - $result =~ s/�?62;/\$>\$/g; - $result =~ s/>/\$>\$/g; - $result =~ s/�?63;/?/g; -# $result =~ s/�?64;//g; - $result =~ s/�?65;/A/g; - $result =~ s/�?66;/B/g; - $result =~ s/�?67;/C/g; - $result =~ s/�?68;/D/g; - $result =~ s/�?69;/E/g; - $result =~ s/�?70;/F/g; - $result =~ s/�?71;/G/g; - $result =~ s/�?72;/H/g; - $result =~ s/�?73;/I/g; - $result =~ s/�?74;/J/g; - $result =~ s/�?75;/K/g; - $result =~ s/�?76;/L/g; - $result =~ s/�?77;/M/g; - $result =~ s/�?78;/N/g; - $result =~ s/�?79;/O/g; - $result =~ s/�?80;/P/g; - $result =~ s/�?81;/Q/g; - $result =~ s/�?82;/R/g; - $result =~ s/�?83;/S/g; - $result =~ s/�?84;/T/g; - $result =~ s/�?85;/U/g; - $result =~ s/�?86;/V/g; - $result =~ s/�?87;/W/g; - $result =~ s/�?88;/X/g; - $result =~ s/�?89;/Y/g; - $result =~ s/�?90;/Z/g; - $result =~ s/�?91;/[/g; - $result =~ s/�?92;/\\/g; - $result =~ s/�?93;/]/g; -# $result =~ s/�?94;//g; -# $result =~ s/�?95;//g; - $result =~ s/�?96;/`/g; - $result =~ s/�?97;/a/g; - $result =~ s/�?98;/b/g; - $result =~ s/�?99;/c/g; - $result =~ s/d/d/g; - $result =~ s/e/e/g; - $result =~ s/f/f/g; - $result =~ s/g/g/g; - $result =~ s/h/h/g; - $result =~ s/i/i/g; - $result =~ s/j/j/g; - $result =~ s/k/k/g; - $result =~ s/l/l/g; - $result =~ s/m/m/g; - $result =~ s/n/n/g; - $result =~ s/o/o/g; - $result =~ s/p/p/g; - $result =~ s/q/q/g; - $result =~ s/r/r/g; - $result =~ s/s/s/g; - $result =~ s/t/t/g; - $result =~ s/u/u/g; - $result =~ s/v/v/g; - $result =~ s/w/w/g; - $result =~ s/x/x/g; - $result =~ s/y/y/g; - $result =~ s/z/z/g; - $result =~ s/{/\\{/g; - $result =~ s/|/\|/g; - $result =~ s/}/\\}/g; - $result =~ s/~/\~/g; - $result =~ s/‚/,/g; -# $result =~ s/ƒ//g; - $result =~ s/„/''/g; - $result =~ s/…/\$\\ldots\$/g; - $result =~ s/†/\$\\dagger\$/g; - $result =~ s/‡/\$\\ddagger\$/g; -# $result =~ s/ˆ//g; -# $result =~ s/‰//g; -# $result =~ s/Š//g; - $result =~ s/‹/\$<\$/g; -# $result =~ s/Œ//g; - $result =~ s/‘/`/g; - $result =~ s/’/'/g; - $result =~ s/“/``/g; - $result =~ s/”/''/g; - $result =~ s/•/\$\\bullet\$/g; -# $result =~ s/–//g; -# $result =~ s/—//g; - $result =~ s/˜/~/g; -# $result =~ s/™//g; -# $result =~ s/š//g; - $result =~ s/›/\$>\$/g; - $result =~ s/œ/\\{\\oe\\}/g; - $result =~ s/Ÿ/\\"\\{Y\\}/g; - $result =~ s/ //g; - $result =~ s/ //g; - $result =~ s/¡/!`/g; - $result =~ s/¡/!`/g; #` -# $result =~ s/¢//g; -# $result =~ s/¢//g; - $result =~ s/£/\\pounds/g; - $result =~ s/£/\\pounds/g; -# $result =~ s/¤//g; -# $result =~ s/¤//g; -# $result =~ s/¥//g; -# $result =~ s/¥//g; -# $result =~ s/¦//g; -# $result =~ s/¦//g; -# $result =~ s/§//g; -# $result =~ s/§//g; -# $result =~ s/¨//g; -# $result =~ s/¨//g; - $result =~ s/©/\\copyright/g; - $result =~ s/©/\\copyright/g; -# $result =~ s/ª//g; -# $result =~ s/ª//g; -# $result =~ s/«//g; -# $result =~ s/«//g; - $result =~ s/¬/\$\\neg\$/g; - $result =~ s/¬/\$\\neg\$/g; -# $result =~ s/­//g; -# $result =~ s/­//g; -# $result =~ s/®//g; -# $result =~ s/®//g; -# $result =~ s/¯//g; -# $result =~ s/¯//g; - $result =~ s/°/\$^{\\circ}\$/g; - $result =~ s/°/\$^{\\circ}\$/g; - $result =~ s/±/\$\\pm\$/g; - $result =~ s/±/\$\\pm\$/g; - $result =~ s/²/\$^2\$/g; - $result =~ s/²/\$^2\$/g; - $result =~ s/³/\$^3\$/g; - $result =~ s/³/\$^3\$/g; -# $result =~ s/´//g; -# $result =~ s/´//g; - $result =~ s/µ/\$\\mu\$/g; - $result =~ s/µ/\$\\mu\$/g; - $result =~ s/¶/\\P/g; - $result =~ s/¶/\\P/g; - $result =~ s/·/\$\\cdot\$/g; - $result =~ s/·/\$\\cdot\$/g; -# $result =~ s/¸//g; -# $result =~ s/¸//g; - $result =~ s/¹/\$^1\$/g; - $result =~ s/¹/\$^1\$/g; -# $result =~ s/º//g; -# $result =~ s/º//g; -# $result =~ s/»//g; -# $result =~ s/»//g; -# $result =~ s/¼//g; -# $result =~ s/¼//g; -# $result =~ s/½//g; -# $result =~ s/½//g; -# $result =~ s/¾//g; -# $result =~ s/¾//g; - $result =~ s/¿/?`/g; - $result =~ s/¿/?`/g; #` - $result =~ s/À/\\`{A}/g; - $result =~ s/À/\\`{A}/g; #` - $result =~ s/Á/\\'{A}/g; - $result =~ s/Á/\\'{A}/g; #' - $result =~ s/Â/\\^{A}/g; - $result =~ s/Â/\\^{A}/g; - $result =~ s/Ã/\\~{A}/g; - $result =~ s/Ã/\\~{A}/g; - $result =~ s/Ä/\\"{A}/g; - $result =~ s/Ä/\\"{A}/g; #" - $result =~ s/Å/{\\AA}/g; - $result =~ s/Å/{\\AA}/g; - $result =~ s/Æ/{\\AE}/g; - $result =~ s/Æ/{\\AE}/g; -# $result =~ s/Ç//g; -# $result =~ s/Ç//g; - $result =~ s/È/\\`{E}/g; - $result =~ s/È/\\`{E}/g; #` - $result =~ s/É/\\'{E}/g; #' - $result =~ s/É/\\'{E}/g; #' - $result =~ s/Ê/\\^{E}/g; - $result =~ s/Ê/\\^{E}/g; - $result =~ s/Ë/\\`{E}/g; - $result =~ s/Ë/\\`{E}/g; #` - $result =~ s/Ì/\\`{I}/g; - $result =~ s/Ì/\\`{I}/g; #` - $result =~ s/Í/\\'{I}/g; - $result =~ s/Í/\\'{I}/g; #' - $result =~ s/Î/\\^{I}/g; - $result =~ s/Î/\\^{I}/g; - $result =~ s/Ï/\\"{I}/g; - $result =~ s/Ï/\\"{I}/g; #" -# $result =~ s/Ð//g; -# $result =~ s/Ð//g; - $result =~ s/Ñ/\\~{N}/g; - $result =~ s/Ñ/\\~{N}/g; - $result =~ s/Ò/\\`{O}/g; - $result =~ s/Ò/\\`{O}/g; #` - $result =~ s/Ó/\\'{O}/g; - $result =~ s/Ó/\\'{O}/g; #' - $result =~ s/Ô/\\^{O}/g; - $result =~ s/Ô/\\^{O}/g; - $result =~ s/Õ/\\~{O}/g; - $result =~ s/Õ/\\~{O}/g; - $result =~ s/Ö/\\"{O}/g; - $result =~ s/Ö/\\"{O}/g; #" - $result =~ s/×/\$\\times\$/g; - $result =~ s/×/\$\\times\$/g; - $result =~ s/Ø/{\\O}/g; - $result =~ s/Ø/{\\O}/g; - $result =~ s/Ù/\\`{U}/g; - $result =~ s/Ù/\\`{U}/g; #` - $result =~ s/Ú/\\'{U}/g; #' - $result =~ s/Ú/\\'{U}/g; #' - $result =~ s/Û/\\^{U}/g; - $result =~ s/Û/\\^{U}/g; - $result =~ s/Ü/\\"{U}/g; #" - $result =~ s/Ü/\\"{U}/g; #" - $result =~ s/Ý/\\'{Y}/g; - $result =~ s/Ý/\\'{Y}/g; #' -# $result =~ s/Þ//g; -# $result =~ s/Þ//g; -# $result =~ s/ß//g; -# $result =~ s/ß//g; - $result =~ s/à/\\`{a}/g; - $result =~ s/à/\\`{a}/g; #` - $result =~ s/á/\\'{a}/g; - $result =~ s/á/\\'{a}/g; #' - $result =~ s/â/\\^{a}/g; - $result =~ s/â/\\^{a}/g; - $result =~ s/ã/\\~{a}/g; - $result =~ s/ã/\\~{a}/g; - $result =~ s/ä/\\"{a}/g; - $result =~ s/ä/\\"{a}/g; #" - $result =~ s/å/{\\aa}/g; - $result =~ s/å/{\\aa}/g; - $result =~ s/æ/{\\ae}/g; - $result =~ s/æ/{\\ae}/g; -# $result =~ s/ç//g; -# $result =~ s/ç//g; - $result =~ s/è/\\`{e}/g; - $result =~ s/è/\\`{e}/g; #` - $result =~ s/é/\\'{e}/g; - $result =~ s/é/\\'{e}/g; #' - $result =~ s/ê/\\^{e}/g; - $result =~ s/ê/\\^{e}/g; - $result =~ s/ë/\\"{e}/g; - $result =~ s/ë/\\"{e}/g; #" - $result =~ s/ì/\\`{i}/g; - $result =~ s/ì/\\`{i}/g; #` - $result =~ s/í/\\'{i}/g; - $result =~ s/í/\\'{i}/g; #' - $result =~ s/î/\\^{i}/g; - $result =~ s/î/\\^{i}/g; - $result =~ s/ï/\\"{i}/g; - $result =~ s/ï/\\"{i}/g; #" -# $result =~ s/ð//g; -# $result =~ s/ð//g; - $result =~ s/ñ/\\~{n}/g; - $result =~ s/ñ/\\~{n}/g; - $result =~ s/ò/\\`{o}/g; - $result =~ s/ò/\\`{o}/g; #` - $result =~ s/ó/\\'{o}/g; - $result =~ s/ó/\\'{o}/g; #' - $result =~ s/ô/\\^{o}/g; - $result =~ s/ô/\\^{o}/g; - $result =~ s/õ/\\~{o}/g; - $result =~ s/õ/\\~{o}/g; - $result =~ s/ö/\\"{o}/g; - $result =~ s/ö/\\"{o}/g; #" - $result =~ s/÷/\$\\div\$/g; - $result =~ s/÷/\$\\div\$/g; - $result =~ s/ø/{\\o}/g; - $result =~ s/ø/{\\o}/g; - $result =~ s/ù/\\`{u}/g; - $result =~ s/ù/\\`{u}/g; #` - $result =~ s/ú/\\'{u}/g; - $result =~ s/ú/\\'{u}/g; #' - $result =~ s/û/\\^{u}/g; - $result =~ s/û/\\^{u}/g; - $result =~ s/ü/\\"{u}/g; - $result =~ s/ü/\\"{u}/g; #" - $result =~ s/ý/\\'{y}/g; - $result =~ s/ý/\\'{y}/g; #' -# $result =~ s/þ//g; -# $result =~ s/þ//g; - $result =~ s/ÿ/\\"{y}/g; - $result =~ s/ÿ/\\"{y}/g; #" - $result =~ s/θ/\$\\theta\$/g; #converts theta from html into tex + my $result = shift; + return &Apache::entities::replace_entities($result); +} + +sub old_character_chart { + my $result = shift; + $result =~ s/&\#0?0?(7|9);//g; + $result =~ s/&\#0?(10|13);//g; + $result =~ s/&\#0?32;/ /g; + $result =~ s/&\#0?33;/!/g; + $result =~ s/&(\#0?34|quot);/\"/g; + $result =~ s/&\#0?35;/\\\#/g; + $result =~ s/&\#0?36;/\\\$/g; + $result =~ s/&\#0?37;/\\%/g; + $result =~ s/&(\#0?38|amp);/\\&/g; + $result =~ s/&\#(0?39|146);/\'/g; + $result =~ s/&\#0?40;/(/g; + $result =~ s/&\#0?41;/)/g; + $result =~ s/&\#0?42;/\*/g; + $result =~ s/&\#0?43;/\+/g; + $result =~ s/&\#(0?44|130);/,/g; + $result =~ s/&\#0?45;/-/g; + $result =~ s/&\#0?46;/\./g; + $result =~ s/&\#0?47;/\//g; + $result =~ s/&\#0?48;/0/g; + $result =~ s/&\#0?49;/1/g; + $result =~ s/&\#0?50;/2/g; + $result =~ s/&\#0?51;/3/g; + $result =~ s/&\#0?52;/4/g; + $result =~ s/&\#0?53;/5/g; + $result =~ s/&\#0?54;/6/g; + $result =~ s/&\#0?55;/7/g; + $result =~ s/&\#0?56;/8/g; + $result =~ s/&\#0?57;/9/g; + $result =~ s/&\#0?58;/:/g; + $result =~ s/&\#0?59;/;/g; + $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; + $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; + $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; + $result =~ s/&\#0?63;/\?/g; + $result =~ s/&\#0?65;/A/g; + $result =~ s/&\#0?66;/B/g; + $result =~ s/&\#0?67;/C/g; + $result =~ s/&\#0?68;/D/g; + $result =~ s/&\#0?69;/E/g; + $result =~ s/&\#0?70;/F/g; + $result =~ s/&\#0?71;/G/g; + $result =~ s/&\#0?72;/H/g; + $result =~ s/&\#0?73;/I/g; + $result =~ s/&\#0?74;/J/g; + $result =~ s/&\#0?75;/K/g; + $result =~ s/&\#0?76;/L/g; + $result =~ s/&\#0?77;/M/g; + $result =~ s/&\#0?78;/N/g; + $result =~ s/&\#0?79;/O/g; + $result =~ s/&\#0?80;/P/g; + $result =~ s/&\#0?81;/Q/g; + $result =~ s/&\#0?82;/R/g; + $result =~ s/&\#0?83;/S/g; + $result =~ s/&\#0?84;/T/g; + $result =~ s/&\#0?85;/U/g; + $result =~ s/&\#0?86;/V/g; + $result =~ s/&\#0?87;/W/g; + $result =~ s/&\#0?88;/X/g; + $result =~ s/&\#0?89;/Y/g; + $result =~ s/&\#0?90;/Z/g; + $result =~ s/&\#0?91;/[/g; + $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; + $result =~ s/&\#0?93;/]/g; + $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; + $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; + $result =~ s/&\#(0?96|145);/\`/g; + $result =~ s/&\#0?97;/a/g; + $result =~ s/&\#0?98;/b/g; + $result =~ s/&\#0?99;/c/g; + $result =~ s/&\#100;/d/g; + $result =~ s/&\#101;/e/g; + $result =~ s/&\#102;/f/g; + $result =~ s/&\#103;/g/g; + $result =~ s/&\#104;/h/g; + $result =~ s/&\#105;/i/g; + $result =~ s/&\#106;/j/g; + $result =~ s/&\#107;/k/g; + $result =~ s/&\#108;/l/g; + $result =~ s/&\#109;/m/g; + $result =~ s/&\#110;/n/g; + $result =~ s/&\#111;/o/g; + $result =~ s/&\#112;/p/g; + $result =~ s/&\#113;/q/g; + $result =~ s/&\#114;/r/g; + $result =~ s/&\#115;/s/g; + $result =~ s/&\#116;/t/g; + $result =~ s/&\#117;/u/g; + $result =~ s/&\#118;/v/g; + $result =~ s/&\#119;/w/g; + $result =~ s/&\#120;/x/g; + $result =~ s/&\#121;/y/g; + $result =~ s/&\#122;/z/g; + $result =~ s/&\#123;/\\{/g; + $result =~ s/&\#124;/\|/g; + $result =~ s/&\#125;/\\}/g; + $result =~ s/&\#126;/\~/g; + $result =~ s/&\#131;/\\textflorin /g; + $result =~ s/&\#132;/\"/g; + $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; + $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; + $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; + $result =~ s/&\#137;/\\textperthousand /g; + $result =~ s/&\#140;/{\\OE}/g; + $result =~ s/&\#147;/\`\`/g; + $result =~ s/&\#148;/\'\'/g; + $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; + $result =~ s/&(\#150|\#8211);/--/g; + $result =~ s/&\#151;/---/g; + $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; + $result =~ s/&\#153;/\\texttrademark /g; + $result =~ s/&\#156;/\\oe/g; + $result =~ s/&\#159;/\\\"Y/g; + $result =~ s/&(\#160|nbsp);/~/g; + $result =~ s/&(\#161|iexcl);/!\`/g; + $result =~ s/&(\#162|cent);/\\textcent /g; + $result =~ s/&(\#163|pound);/\\pounds /g; + $result =~ s/&(\#164|curren);/\\textcurrency /g; + $result =~ s/&(\#165|yen);/\\textyen /g; + $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; + $result =~ s/&(\#167|sect);/\\textsection /g; + $result =~ s/&(\#168|uml);/\\"\{\} /g; + $result =~ s/&(\#169|copy);/\\copyright /g; + $result =~ s/&(\#170|ordf);/\\textordfeminine /g; + $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; + $result =~ s/&(\#173|shy);/ - /g; + $result =~ s/&(\#174|reg);/\\textregistered /g; + $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; + $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; + $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; + $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; + $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; + $result =~ s/&(\#180|acute);/\\'\{\} /g; + $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; + $result =~ s/&(\#182|para);/\\P/g; + $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; + $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; + $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; + $result =~ s/&(\#186|ordm);/\\textordmasculine /g; + $result =~ s/&(\#188|frac14);/\\textonequarter /g; + $result =~ s/&(\#189|frac12);/\\textonehalf /g; + $result =~ s/&(\#190|frac34);/\\textthreequarters /g; + $result =~ s/&(\#191|iquest);/?\`/g; + $result =~ s/&(\#192|Agrave);/\\\`{A}/g; + $result =~ s/&(\#193|Aacute);/\\\'{A}/g; + $result =~ s/&(\#194|Acirc);/\\^{A}/g; + $result =~ s/&(\#195|Atilde);/\\~{A}/g; + $result =~ s/&(\#196|Auml);/\\\"{A}/g; + $result =~ s/&(\#197|Aring);/{\\AA}/g; + $result =~ s/&(\#198|AElig);/{\\AE}/g; + $result =~ s/&(\#199|Ccedil);/\\c{c}/g; + $result =~ s/&(\#200|Egrave);/\\\`{E}/g; + $result =~ s/&(\#201|Eacute);/\\\'{E}/g; + $result =~ s/&(\#202|Ecirc);/\\^{E}/g; + $result =~ s/&(\#203|Euml);/\\\"{E}/g; + $result =~ s/&(\#204|Igrave);/\\\`{I}/g; + $result =~ s/&(\#205|Iacute);/\\\'{I}/g; + $result =~ s/&(\#206|Icirc);/\\^{I}/g; + $result =~ s/&(\#207|Iuml);/\\\"{I}/g; + $result =~ s/&(\#209|Ntilde);/\\~{N}/g; + $result =~ s/&(\#210|Ograve);/\\\`{O}/g; + $result =~ s/&(\#211|Oacute);/\\\'{O}/g; + $result =~ s/&(\#212|Ocirc);/\\^{O}/g; + $result =~ s/&(\#213|Otilde);/\\~{O}/g; + $result =~ s/&(\#214|Ouml);/\\\"{O}/g; + $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; + $result =~ s/&(\#216|Oslash);/{\\O}/g; + $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; + $result =~ s/&(\#218|Uacute);/\\\'{U}/g; + $result =~ s/&(\#219|Ucirc);/\\^{U}/g; + $result =~ s/&(\#220|Uuml);/\\\"{U}/g; + $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; + $result =~ s/&(\#223|szlig);/{\\ss}/g; + $result =~ s/&(\#224|agrave);/\\\`{a}/g; + $result =~ s/&(\#225|aacute);/\\\'{a}/g; + $result =~ s/&(\#226|acirc);/\\^{a}/g; + $result =~ s/&(\#227|atilde);/\\~{a}/g; + $result =~ s/&(\#228|auml);/\\\"{a}/g; + $result =~ s/&(\#229|aring);/{\\aa}/g; + $result =~ s/&(\#230|aelig);/{\\ae}/g; + $result =~ s/&(\#231|ccedil);/\\c{c}/g; + $result =~ s/&(\#232|egrave);/\\\`{e}/g; + $result =~ s/&(\#233|eacute);/\\\'{e}/g; + $result =~ s/&(\#234|ecirc);/\\^{e}/g; + $result =~ s/&(\#235|euml);/\\\"{e}/g; + $result =~ s/&(\#236|igrave);/\\\`{i}/g; + $result =~ s/&(\#237|iacute);/\\\'{i}/g; + $result =~ s/&(\#238|icirc);/\\^{i}/g; + $result =~ s/&(\#239|iuml);/\\\"{i}/g; + $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; + $result =~ s/&(\#241|ntilde);/\\~{n}/g; + $result =~ s/&(\#242|ograve);/\\\`{o}/g; + $result =~ s/&(\#243|oacute);/\\\'{o}/g; + $result =~ s/&(\#244|ocirc);/\\^{o}/g; + $result =~ s/&(\#245|otilde);/\\~{o}/g; + $result =~ s/&(\#246|ouml);/\\\"{o}/g; + $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; + $result =~ s/&(\#248|oslash);/{\\o}/g; + $result =~ s/&(\#249|ugrave);/\\\`{u}/g; + $result =~ s/&(\#250|uacute);/\\\'{u}/g; + $result =~ s/&(\#251|ucirc);/\\^{u}/g; + $result =~ s/&(\#252|uuml);/\\\"{u}/g; + $result =~ s/&(\#253|yacute);/\\\'{y}/g; + $result =~ s/&(\#255|yuml);/\\\"{y}/g; + $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; + $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; + + #Greek Alphabet + $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; + $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; + $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; + $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; + $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; + $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; + $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; + $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; + $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; + $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; + $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; + $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; + $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; + $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; + $result =~ s/&(omicron|\#959);/o/g; + $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; + $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; + $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; + $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; + $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; + $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; + $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; + $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; + $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; + $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; + $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; + $result =~ s/&(Alpha|\#913);/A/g; + $result =~ s/&(Beta|\#914);/B/g; + $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; + $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; + $result =~ s/&(Epsilon|\#917);/E/g; + $result =~ s/&(Zeta|\#918);/Z/g; + $result =~ s/&(Eta|\#919);/H/g; + $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; + $result =~ s/&(Iota|\#921);/I/g; + $result =~ s/&(Kappa|\#922);/K/g; + $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; + $result =~ s/&(Mu|\#924);/M/g; + $result =~ s/&(Nu|\#925);/N/g; + $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; + $result =~ s/&(Omicron|\#927);/O/g; + $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; + $result =~ s/&(Rho|\#929);/P/g; + $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; + $result =~ s/&(Tau|\#932);/T/g; + $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; + $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; + $result =~ s/&(Chi|\#935);/X/g; + $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; + $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; + + #Arrows (extended HTML 4.01) + $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; + $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; + $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; + $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; + $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; + $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; + $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; + $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; + $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; + $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; + + #Mathematical Operators (extended HTML 4.01) + $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; + $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; + $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; + $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; + $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; + $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; + $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; + $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; + $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; + $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; + $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; + $result =~ s/–/\\ensuremath\{-\}/g; + $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; + $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; + $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; + $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; + $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; + $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; + $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; + $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; + $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; + $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; + $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; + $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; + $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; + $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; + $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; + $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; + $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; + $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; + $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; + $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; + $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; + $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; + $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; + $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; + $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; + $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; + + #Geometric Shapes (extended HTML 4.01) + $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; + + #Miscellaneous Symbols (extended HTML 4.01) + $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; + $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; + $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; + $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; + + # Chemically useful 'things' contributed by Hon Kie (bug 4652). + + $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; + $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; + $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; + $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; + $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; + $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; + $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; + $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; + $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; + $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; + $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; + $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; + $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; + + # Left/right quotations: + + $result =~ s/&(ldquo|#8220);/\`\`/g; + $result =~ s/&(rdquo|#8221);/\'\'/g; + return $result; } +#width, height, oddsidemargin, evensidemargin, topmargin +my %page_formats = ( + 'letter' => { + 'book' => { + '1' => [ '7.1 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ], + '2' => [ '3.66 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ] + }, + 'album' => { + '1' => [ '8.8 in', '6.8 in', '-0.55 in', '-0.55 in', '0.394 in' ], + '2' => [ '4.8 in', '6.8 in', '-0.5 in', '-1.0 in', '3.5 in' ] + }, + }, + 'legal' => { + 'book' => { + '1' => [ '7.1 in', '13 in',, '-0.57 in', '-0.57 in', '-0.5 in' ], + '2' => [ '3.66 in', '13 in', '-0.57 in', '-0.57 in', '-0.5 in' ] + }, + 'album' => { + '1' => [ '12 in', '7.1 in',, '-0.57 in', '-0.57 in', '-0.5 in' ], + '2' => [ '6.0 in', '7.1 in', '-1 in', '-1 in', '5 in' ] + }, + }, + 'tabloid' => { + 'book' => { + '1' => [ '9.8 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ], + '2' => [ '4.9 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ] + }, + 'album' => { + '1' => [ '16 in', '9.8 in', '-0.57 in', '-0.57 in', '-0.5 in' ], + '2' => [ '16 in', '4.9 in', '-0.57 in', '-0.57 in', '-0.5 in' ] + }, + }, + 'executive' => { + 'book' => { + '1' => [ '6.8 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ], + '2' => [ '3.1 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a2' => { + 'book' => { + '1' => [], + '2' => [] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a3' => { + 'book' => { + '1' => [], + '2' => [] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a4' => { + 'book' => { + '1' => + [ '17.6 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ], + '2' => [ '9.1 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ] + }, + 'album' => { + '1' => [ '21.59 cm', '19.558 cm', '-1.397cm', '-2.11 cm', '0 cm' ], + '2' => [ '9.91 cm', '19.558 cm', '-1.397 cm', '-2.11 cm', '0 cm' ] + }, + }, + 'a5' => { + 'book' => { + '1' => [], + '2' => [] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a6' => { + 'book' => { + '1' => [], + '2' => [] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, +); - sub page_format { - my ($papersize,$layout,$numberofcolumns) = @_; - my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0); - if ($papersize=~/Letter/) { - if ($layout eq 'CAPA') { - if ($numberofcolumns == 1) { - $textwidth = '18 cm'; - $textheight = '25.9 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } elsif ($numberofcolumns == 2) { - $textwidth = '93 mm'; - $textheight = '25.9 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } - } elsif ($layout eq 'CBI') { - if ($numberofcolumns eq '1') { - $textwidth = '8.8 in'; - $textheight = '6.8 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } elsif ($numberofcolumns == 2) { - $textwidth = '4.2 in'; - $textheight = '6.8 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } - } -# } elsif($papersize=~/Legal/) { -# } elsif($papersize=~/Ledger/) { -# } elsif($papersize=~/Executive/) { - } elsif($papersize=~/A4/) { - if ($layout eq 'CAPA') { - if ($numberofcolumns == 1) { - $textwidth = '18 cm'; - $textheight = '28 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } elsif ($numberofcolumns == 2) { - $textwidth = '96 mm'; - $textheight = '2 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } - } elsif ($layout eq 'CBI') { - if ($numberofcolumns eq '1') { - $textwidth = '8.5 in'; - $textheight = '7.7 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } elsif ($numberofcolumns == 2) { - $textwidth = '3.9 in'; - $textheight = '7.7 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } - } -# } elsif($papersize=~/A3/) { -# } elsif($papersize=~/A2/) { -# } elsif($papersize=~/A5/) { -# } elsif($papersize=~/A6/) { - } - return $textwidth,$textheight,$oddoffset,$evenoffset; - } +sub page_format { +# +#Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", +# "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", +# "A2 [420x594 mm]", "A3 [297x420 mm]", +# "A4 [210x297 mm]", "A5 [148x210 mm]", +# "A6 [105x148 mm]" +# + my ( $papersize, $layout, $numberofcolumns ) = @_; + return @{ $page_formats{$papersize}->{$layout}->{$numberofcolumns} }; +} -sub page_format_transformation { - my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_; - my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns); - my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - if ($layout eq 'CBI') { - $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}} \\hfill $courseidinfo} \\vskip 5 mm /; - } elsif ($layout eq 'CAPA') { - if ($choice ne 'All class print') { - $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\markboth{}{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}} $courseidinfo - $assignment}\\pagestyle{myheadings}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}/; - } else { - $text =~ s/\\begin{document}/\\setlength{\\textheight}{$textheight}\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\textwidth}{$textwidth}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1} \\vskip 5 mm /; - } - } - return $text; +sub get_name { + my ( $uname, $udom ) = @_; + if ( !defined($uname) ) { $uname = $env{'user.name'}; } + if ( !defined($udom) ) { $udom = $env{'user.domain'}; } + my $plainname = &Apache::loncommon::plainname( $uname, $udom ); + if ( $plainname =~ /^\s*$/ ) { $plainname = $uname . '@' . $udom; } + $plainname = &Apache::lonxml::latex_special_symbols( $plainname, 'header' ); + return $plainname; } +sub get_course { + my $courseidinfo; + if ( defined( $env{'request.course.id'} ) ) { + $courseidinfo = &Apache::lonxml::latex_special_symbols( + &unescape( + $env{ 'course.' . $env{'request.course.id'} . '.description' } + ), + 'header' + ); + my $sec = $env{'request.course.sec'}; + + } + return $courseidinfo; +} + +sub page_format_transformation { + my ( + $papersize, $layout, $numberofcolumns, + $choice, $text, $assignment, + $tableofcontents, $indexlist, $selectionmade + ) = @_; + my ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ); + + if ( $selectionmade eq '4' ) { + if ( $choice eq 'all_problems' ) { + $assignment = &mt('Problems from the Whole Course'); + } + else { + $assignment = &mt('Resources from the Whole Course'); + } + } + else { + $assignment = + &Apache::lonxml::latex_special_symbols( $assignment, 'header' ); + } + ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ) = + &page_format( $papersize, $layout, $numberofcolumns, $topmargin ); + + my $name = &get_name(); + my $courseidinfo = &get_course(); + my $header_text = $parmhash{'print_header_format'}; + $header_text = + &format_page_header( $textwidth, $header_text, $assignment, $courseidinfo, + $name ); + my $topmargintoinsert = ''; + if ( $topmargin ne '0' ) { + $topmargintoinsert = '\setlength{\topmargin}{' . $topmargin . '}'; + } + my $fancypagestatement = ''; + if ( $numberofcolumns eq '2' ) { + $fancypagestatement = "\\fancyhead{}\\fancyhead[LO]{$header_text}"; + } + else { + $fancypagestatement = "\\rhead{}\\chead{}\\lhead{$header_text}"; + } + if ( $layout eq 'album' ) { + $text =~ +s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; + } + elsif ( $layout eq 'book' ) { + if ( $choice ne 'All class print' ) { + $text =~ +s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; + } + else { + $text =~ +s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; + } + if ( $papersize eq 'a4' ) { + my $papersize_text; + if ( $perm{'pav'} ) { + $papersize_text = '\\special{papersize=210mm,297mm}'; + } + else { + $papersize_text = '\special{papersize=210mm,297mm}'; + } + $text =~ s/(\\begin{document})/$1$papersize_text/; + } + } + if ( $tableofcontents eq 'yes' ) { + $text =~ s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /; + } + if ( $indexlist eq 'yes' ) { + $text =~ s/(\\begin{document})/\\makeindex $1/; + $text =~ s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; + } + return $text; +} sub page_cleanup { - my $result = shift; - + my $result = shift; + $result =~ m/\\end{document}(\d*)$/; my $number_of_columns = $1; - my $insert = '{'; - for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } + my $insert = '{'; + for ( my $id = 1 ; $id <= $number_of_columns ; $id++ ) { $insert .= 'l'; } $insert .= '}'; - $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; + $result =~ +s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; - return $result,$number_of_columns; + return $result, $number_of_columns; } - sub details_for_menu { - - my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}}; - my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); - my ($map,$id,$resource)=split(/___/,$symbolic); - my $name_of_sequence = $hash{'title_'.$hash{'ids_/res/'.$map}}; - if ($name_of_sequence =~ /^\s*$/) { - $map =~ m|([^/]+)$|; - $name_of_sequence = $1; - } - my $name_of_map = $hash{'title_'.$hash{'ids_/res/'.$ENV{'request.course.uri'}}}; - if ($name_of_map =~ /^\s*$/) { - $ENV{'request.course.uri'} =~ m|([^/]+)$|; - $name_of_map = $1; - } - return ($name_of_resourse,$name_of_sequence,$name_of_map); - + my ($helper) = @_; + my $postdata = $env{'form.postdata'}; + if ( !$postdata ) { $postdata = $helper->{VARS}{'postdata'}; } + my $name_of_resource = &Apache::lonnet::gettitle($postdata); + my $symbolic = &Apache::lonnet::symbread($postdata); + return if ( $symbolic eq '' ); + + my ( $map, $id, $resource ) = &Apache::lonnet::decode_symb($symbolic); + $map = &Apache::lonnet::clutter($map); + my $name_of_sequence = &Apache::lonnet::gettitle($map); + if ( $name_of_sequence =~ /^\s*$/ ) { + $map =~ m|([^/]+)$|; + $name_of_sequence = $1; + } + my $name_of_map = &Apache::lonnet::gettitle( $env{'request.course.uri'} ); + if ( $name_of_map =~ /^\s*$/ ) { + $env{'request.course.uri'} =~ m|([^/]+)$|; + $name_of_map = $1; + } + return ( $name_of_resource, $name_of_sequence, $name_of_map ); } +sub copyright_line { + return +'\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; +} +my $end_of_student = "\n" . '\special{ps:ENDOFSTUDENTSTAMP}' . "\n"; sub latex_corrections { + my ( $number_of_columns, $result, $selectionmade, $answer_mode ) = @_; - my ($number_of_columns,$result) = @_; - - $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; +# $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; + my $copyright = ©right_line(); + if ( $selectionmade eq '1' || $answer_mode eq 'only' ) { + $result =~ +s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; + } + else { + $result =~ +s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; + } $result =~ s/\$number_of_columns/$number_of_columns/g; - $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; - $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; + $result =~ +s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; -#-- LaTeX corrections - my $first_comment = index($result,'',$first_comment); - substr($result,$first_comment,$end_comment-$first_comment+3) = ''; - $first_comment = index($result,'', $first_comment ); + substr( $result, $first_comment, $end_comment - $first_comment + 3 ) = + ''; + $first_comment = index( $result, '