From a82451eefa47668fc17b22e7365e390483ff3296 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sven=20Sch=C3=B6ling?= <s.schoeling@linet-services.de>
Date: Fri, 18 Nov 2011 17:10:11 +0100
Subject: [PATCH] CGI::Ajax entfernt.

---
 SL/Form.pm                        |    1 -
 SL/InstallationCheck.pm           |    1 -
 bin/mozilla/invoice_io.pl         |    1 -
 bin/mozilla/io.pl                 |    1 -
 doc/INSTALL.html                  |    4 -
 doc/INSTALL.texi                  |    5 -
 doc/INSTALL.txt                   |    5 -
 doc/Lx-Office_Installation_DE.pdf |  Bin 159398 -> 159244 bytes
 modules/override/CGI/.htaccess    |    2 -
 modules/override/CGI/Ajax.pm      | 1217 -----------------------------
 10 files changed, 1237 deletions(-)
 delete mode 100644 modules/override/CGI/.htaccess
 delete mode 100644 modules/override/CGI/Ajax.pm

diff --git a/SL/Form.pm b/SL/Form.pm
index 15d66cec9..37e4a21b6 100644
--- a/SL/Form.pm
+++ b/SL/Form.pm
@@ -40,7 +40,6 @@ package Form;
 use Data::Dumper;
 
 use CGI;
-use CGI::Ajax;
 use Cwd;
 use Encode;
 use File::Copy;
diff --git a/SL/InstallationCheck.pm b/SL/InstallationCheck.pm
index 6311d2b0c..3a5ffe429 100644
--- a/SL/InstallationCheck.pm
+++ b/SL/InstallationCheck.pm
@@ -13,7 +13,6 @@ BEGIN {
   { name => "Archive::Zip",    version => '1.16',  url => "http://search.cpan.org/~adamk/",     debian => 'libarchive-zip-perl' },
   { name => "Class::Accessor", version => '0.30',  url => "http://search.cpan.org/~kasei/",     debian => 'libclass-accessor-perl' },
   { name => "Config::Std",                         url => "http://search.cpan.org/~dconway/",   debian => 'libconfig-std-perl' },
-  { name => "CGI::Ajax",       version => '0.697', url => "http://search.cpan.org/~bct/" }, # no debian package, ours contains bugfixes
   { name => "DateTime",                            url => "http://search.cpan.org/~drolsky/",   debian => 'libdatetime-perl' },
   { name => "DBI",             version => '1.50',  url => "http://search.cpan.org/~timb/",      debian => 'libdbi-perl' },
   { name => "DBD::Pg",         version => '1.49',  url => "http://search.cpan.org/~dbdpg/",     debian => 'libdbd-pg' },
diff --git a/bin/mozilla/invoice_io.pl b/bin/mozilla/invoice_io.pl
index c8097e325..42e402ec8 100644
--- a/bin/mozilla/invoice_io.pl
+++ b/bin/mozilla/invoice_io.pl
@@ -34,7 +34,6 @@
 #######################################################################
 
 use CGI;
-use CGI::Ajax;
 use List::Util qw(max);
 
 use SL::Common;
diff --git a/bin/mozilla/io.pl b/bin/mozilla/io.pl
index c569ef8a5..59b594aac 100644
--- a/bin/mozilla/io.pl
+++ b/bin/mozilla/io.pl
@@ -38,7 +38,6 @@
 
 use Carp;
 use CGI;
-use CGI::Ajax;
 use List::Util qw(min max first);
 
 use SL::CVar;
diff --git a/doc/INSTALL.html b/doc/INSTALL.html
index a6a05f129..482115847 100644
--- a/doc/INSTALL.html
+++ b/doc/INSTALL.html
@@ -215,7 +215,6 @@ einer Standard-Perl-Installation sind:
 <li>parent
 <li>Archive::Zip
 <li>Class::Accessor
-<li>CGI::Ajax
 <li>Config::Std
 <li>DateTime
 <li>DBI
@@ -248,9 +247,6 @@ in 2.6.1 weiterhin mit ausgeliefert, wurden in einer zukünftigen Version aber
 aus dem Paket entfernt werden. Es wird empfohlen diese Module zusammen mit den
 anderen als Bibliotheken zu installieren.
 
-   <p><code>CGI::Ajax</code> ist nach wie vor in einer modifizierten Version mitgeliefert
-und braucht nicht nachinstalliert werden.
-
    <p>Die zu installierenden Pakete können in den verschiedenen Distributionen unterschiedlich heißen.
 
    <p>Für Debian oder Ubuntu benötigen Sie diese Pakete:
diff --git a/doc/INSTALL.texi b/doc/INSTALL.texi
index b158125c5..b14f96435 100644
--- a/doc/INSTALL.texi
+++ b/doc/INSTALL.texi
@@ -140,8 +140,6 @@ Archive::Zip
 @item
 Class::Accessor
 @item
-CGI::Ajax
-@item
 Config::Std
 @item
 DateTime
@@ -190,9 +188,6 @@ in 2.6.1 weiterhin mit ausgeliefert, wurden in einer zukünftigen Version aber
 aus dem Paket entfernt werden. Es wird empfohlen diese Module zusammen mit den
 anderen als Bibliotheken zu installieren.
 
-@code{CGI::Ajax} ist nach wie vor in einer modifizierten Version mitgeliefert
-und braucht nicht nachinstalliert werden.
-
 Die zu installierenden Pakete können in den verschiedenen Distributionen unterschiedlich heißen.
 
 Für Debian oder Ubuntu benötigen Sie diese Pakete:
diff --git a/doc/INSTALL.txt b/doc/INSTALL.txt
index 18a666210..7a9e99304 100644
--- a/doc/INSTALL.txt
+++ b/doc/INSTALL.txt
@@ -133,8 +133,6 @@ Bestandteil einer Standard-Perl-Installation sind:
 
    * Class::Accessor
 
-   * CGI::Ajax
-
    * Config::Std
 
    * DateTime
@@ -183,9 +181,6 @@ zukünftigen Version aber aus dem Paket entfernt werden. Es wird
 empfohlen diese Module zusammen mit den anderen als Bibliotheken zu
 installieren.
 
-   `CGI::Ajax' ist nach wie vor in einer modifizierten Version
-mitgeliefert und braucht nicht nachinstalliert werden.
-
    Die zu installierenden Pakete können in den verschiedenen
 Distributionen unterschiedlich heißen.
 
diff --git a/doc/Lx-Office_Installation_DE.pdf b/doc/Lx-Office_Installation_DE.pdf
index 2920946cabd171759b55f13c3c7cdf630bb2024f..0c469927e354582d7ef11a8e437b63ed742d2a74 100644
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diff --git a/modules/override/CGI/.htaccess b/modules/override/CGI/.htaccess
deleted file mode 100644
index 0a9a0473a..000000000
--- a/modules/override/CGI/.htaccess
+++ /dev/null
@@ -1,2 +0,0 @@
-Order Allow,Deny
-Deny from all
diff --git a/modules/override/CGI/Ajax.pm b/modules/override/CGI/Ajax.pm
deleted file mode 100644
index 95cefece3..000000000
--- a/modules/override/CGI/Ajax.pm
+++ /dev/null
@@ -1,1217 +0,0 @@
-package CGI::Ajax;
-use strict;
-use Data::Dumper;
-use base qw(Class::Accessor);
-use overload '""' => 'show_javascript'; # for building web pages, so
-                                        # you can just say: print $pjx
-BEGIN {
-	use vars qw ($VERSION @ISA @METHODS);
-	@METHODS = qw(url_list coderef_list DEBUG JSDEBUG html
-								js_encode_function cgi_header_extra);
-
-	CGI::Ajax->mk_accessors( @METHODS );
-
-	$VERSION     = .697;
-}
-
-########################################### main pod documentation begin ##
-
-=head1 NAME
-
-CGI::Ajax - a perl-specific system for writing Asynchronous web
-applications
-
-=head1 SYNOPSIS
-
-  use strict;
-  use CGI;      # or any other CGI:: form handler/decoder
-  use CGI::Ajax;
-
-  my $cgi = new CGI;
-  my $pjx = new CGI::Ajax( 'exported_func' => \&perl_func );
-
-  print $pjx->build_html( $cgi, \&Show_HTML);
-
-  sub perl_func {
-    my $input = shift;
-    # do something with $input
-    my $output = $input . " was the input!";
-    return( $output );
-  }
-
-  sub Show_HTML {
-    my $html = <<EOHTML;
-    <HTML>
-    <BODY>
-      Enter something: 
-        <input type="text" name="val1" id="val1"
-         onkeyup="exported_func( ['val1'], ['resultdiv'] );">
-      <br>
-      <div id="resultdiv"></div>
-    </BODY>
-    </HTML>
-  EOHTML
-    return $html;
-  }
-
-I<There are several fully-functional examples in the 'scripts/'
-directory of the distribution.>
-
-=head1 DESCRIPTION
-
-CGI::Ajax is an object-oriented module that provides a unique
-mechanism for using perl code asynchronously from javascript-
-enhanced HTML pages.  CGI::Ajax unburdens the user from having to
-write extensive javascript, except for associating an exported
-method with a document-defined event (such as onClick, onKeyUp,
-etc).  CGI::Ajax also mixes well with HTML containing more complex
-javascript.
-
-CGI::Ajax supports methods that return single results or multiple
-results to the web page, and supports returning values to multiple
-DIV elements on the HTML page.
-
-Using CGI::Ajax, the URL for the HTTP GET/POST request is
-automatically generated based on HTML layout and events, and the
-page is then dynamically updated with the output from the perl
-function.  Additionally, CGI::Ajax supports mapping URL's to a
-CGI::Ajax function name, so you can separate your code processing
-over multiple scripts.
-
-Other than using the Class::Accessor module to generate CGI::Ajax'
-accessor methods, CGI::Ajax is completely self-contained - it
-does not require you to install a larger package or a full Content
-Management System, etc.
-
-We have added I<support> for other CGI handler/decoder modules,
-like L<CGI::Simple> or L<CGI::Minimal>, but we can't test these
-since we run mod_perl2 only here.  CGI::Ajax checks to see if a
-header() method is available to the CGI object, and then uses it.
-If method() isn't available, it creates it's own minimal header.
-
-A primary goal of CGI::Ajax is to keep the module streamlined and
-maximally flexible.  We are trying to keep the generated javascript
-code to a minimum, but still provide users with a variety of
-methods for deploying CGI::Ajax. And VERY little user javascript.
-
-=head1 EXAMPLES
-
-The CGI::Ajax module allows a Perl subroutine to be called
-asynchronously, when triggered from a javascript event on the
-HTML page.  To do this, the subroutine must be I<registered>,
-usually done during:
-
-  my $pjx = new CGI::Ajax( 'JSFUNC' => \&PERLFUNC );
-
-This maps a perl subroutine (PERLFUNC) to an automatically
-generated Javascript function (JSFUNC).  Next you setup a trigger this
-function when an event occurs (e.g. "onClick"):
-
-  onClick="JSFUNC(['source1','source2'], ['dest1','dest2']);"
-
-where 'source1', 'dest1', 'source2', 'dest2' are the DIV ids of
-HTML elements in your page...
-
-  <input type=text id=source1>
-  <input type=text id=source2>
-  <div id=dest1></div>
-  <div id=dest2></div>
-
-L<CGI::Ajax> sends the values from source1 and source2 to your
-Perl subroutine and returns the results to dest1 and dest2.
-
-=head2 4 Usage Methods
-
-=over 4
-
-=item 1 Standard CGI::Ajax example
-
-Start by defining a perl subroutine that you want available from
-javascript.  In this case we'll define a subrouting that determines
-whether or not an input is odd, even, or not a number (NaN):
-
-  use strict;
-  use CGI::Ajax;
-  use CGI;
-
-
-  sub evenodd_func {
-    my $input = shift;
-
-    # see if input is defined
-    if ( not defined $input ) {
-      return("input not defined or NaN");
-    }
-
-    # see if value is a number (*thanks Randall!*)
-    if ( $input !~ /\A\d+\z/ ) {
-      return("input is NaN");
-    }
-
-    # got a number, so mod by 2
-    $input % 2 == 0 ? return("EVEN") : return("ODD");
-  }
-
-Alternatively, we could have used coderefs to associate an
-exported name...
-
-  my $evenodd_func = sub {
-    # exactly the same as in the above subroutine
-  };
-
-Next we define a function to generate the web page - this can
-be done many different ways, and can also be defined as an
-anonymous sub.  The only requirement is that the sub send back
-the html of the page.  You can do this via a string containing the
-html, or from a coderef that returns the html, or from a function
-(as shown here)...
-
-  sub Show_HTML {
-    my $html = <<EOT;
-  <HTML>
-  <HEAD><title>CGI::Ajax Example</title>
-  </HEAD>
-  <BODY>
-    Enter a number:&nbsp;
-    <input type="text" name="somename" id="val1" size="6"
-       OnKeyUp="evenodd( ['val1'], ['resultdiv'] );">
-    <br>
-    <hr>
-    <div id="resultdiv">
-    </div>
-  </BODY>
-  </HTML>
-EOT
-    return $html;
-  }
-
-The exported Perl subrouting is triggered using the C<OnKeyUp>
-event handler of the input HTML element.  The subroutine takes one
-value from the form, the input element B<'val1'>, and returns the
-the result to an HTML div element with an id of B<'resultdiv'>.
-Sending in the input id in an array format is required to support
-multiple inputs, and similarly, to output multiple the results,
-you can use an array for the output divs, but this isn't mandatory -
-as will be explained in the B<Advanced> usage.
-
-Now create a CGI object and a CGI::Ajax object, associating a reference
-to our subroutine with the name we want available to javascript.
-
-  my $cgi = new CGI();
-  my $pjx = new CGI::Ajax( 'evenodd' => \&evenodd_func );
-
-And if we used a coderef, it would look like this...
-
-  my $pjx = new CGI::Ajax( 'evenodd' => $evenodd_func );
-
-Now we're ready to print the output page; we send in the cgi
-object and the HTML-generating function.
-
-  print $pjx->build_html($cgi,\&Show_HTML);
-
-CGI::Ajax has support for passing in extra HTML header information
-to the CGI object.  This can be accomplished by adding a third
-argument to the build_html() call.  The argument needs to be a
-hashref containing Key=>value pairs that CGI objects understand:
-
-  print $pjx->build_html($cgi,\&Show_HTML,
-    {-charset=>'UTF-8, -expires=>'-1d'});
-
-See L<CGI> for more header() method options.
-
-That's it for the CGI::Ajax standard method.  Let's look at
-something more advanced.
-
-=item 2 Advanced CGI::Ajax example
-
-Let's say we wanted to have a perl subroutine process multiple
-values from the HTML page, and similarly return multiple values
-back to distinct divs on the page.  This is easy to do, and
-requires no changes to the perl code - you just create it as you
-would any perl subroutine that works with multiple input values
-and returns multiple values.  The significant change happens in
-the event handler javascript in the HTML...
-
-  onClick="exported_func(['input1','input2'],['result1','result2']);"
-
-Here we associate our javascript function ("exported_func") with
-two HTML element ids ('input1','input2'), and also send in two
-HTML element ids to place the results in ('result1','result2').
-
-=item 3 Sending Perl Subroutine Output to a Javascript function
-
-Occassionally, you might want to have a custom javascript function
-process the returned information from your Perl subroutine.
-This is possible, and the only requierment is that you change
-your event handler code...
-
-  onClick="exported_func(['input1'],[js_process_func]);"
-
-In this scenario, C<js_process_func> is a javascript function you
-write to take the returned value from your Perl subroutine and
-process the results.  I<Note that a javascript function is not
-quoted -- if it were, then CGI::Ajax would look for a HTML element
-with that id.>  Beware that with this usage, B<you are responsible
-for distributing the results to the appropriate place on the
-HTML page>.  If the exported Perl subroutine returns, e.g. 2
-values, then C<js_process_func> would need to process the input
-by working through an array, or using the javascript Function
-C<arguments> object.
-
-  function js_process_func() {
-    var input1 = arguments[0]
-    var input2 = arguments[1];
-    // do something and return results, or set HTML divs using
-    // innerHTML
-    document.getElementById('outputdiv').innerHTML = input1;
-  }
-
-=item 4 URL/Outside Script CGI::Ajax example
-
-There are times when you may want a different script to
-return content to your page.  This could be because you have
-an existing script already written to perform a particular
-task, or you want to distribute a part of your application to another
-script.  This can be accomplished in L<CGI::Ajax> by using a URL in
-place of a locally-defined Perl subroutine.  In this usage,
-you alter you creation of the L<CGI::Ajax> object to link an
-exported javascript function name to a local URL instead of
-a coderef or a subroutine.
-
-  my $url = 'scripts/other_script.pl';
-  my $pjx = new CGI::Ajax( 'external' => $url );
-
-This will work as before in terms of how it is called from you
-event handler:
-
-  onClick="external(['input1','input2'],['resultdiv']);"
-
-The other_script.pl will get the values via a CGI object and
-accessing the 'args' key.  The values of the B<'args'> key will
-be an array of everything that was sent into the script.
-
-  my @input = $cgi->params('args');
-  $input[0]; # contains first argument
-  $input[1]; # contains second argument, etc...
-
-This is good, but what if you need to send in arguments to the
-other script which are directly from the calling Perl script,
-i.e. you want a calling Perl script's variable to be sent, not
-the value from an HTML element on the page?  This is possible
-using the following syntax:
-
-  onClick="exported_func(['args__$input1','args__$input2'],
-                         ['resultdiv']);"
-
-Similary, if the external script required a constant as input
-(e.g.  C<script.pl?args=42>, you would use this syntax:
-
-  onClick="exported_func(['args__42'],['resultdiv']);"
-
-In both of the above examples, the result from the external
-script would get placed into the I<resultdiv> element on our
-(the calling script's) page.
-
-If you are sending more than one argument from an external perl
-script back to a javascript function, you will need to split the
-string (AJAX applications communicate in strings only) on something.
-Internally, we use '__pjx__', and this string is checked for.  If
-found, L<CGI::Ajax> will automatically split it.  However, if you
-don't want to use '__pjx__', you can do it yourself:
-
-For example, from your Perl script, you would...
-
-	return("A|B"); # join with "|"
-
-and then in the javascript function you would have something like...
-
-	process_func() {
-		var arr = arguments[0].split("|");
-		// arr[0] eq 'A'
-		// arr[1] eq 'B'
-	}
-
-In order to rename parameters, in case the outside script needs
-specifically-named parameters and not CGI::Ajax' I<'args'> default
-parameter name, change your event handler associated with an HTML
-event like this
-
-  onClick="exported_func(['myname__$input1','myparam__$input2'],
-                         ['resultdiv']);"
-
-The URL generated would look like this...
-
-C<script.pl?myname=input1&myparam=input2>
-
-You would then retrieve the input in the outside script with this...
-
-  my $p1 = $cgi->params('myname');
-  my $p1 = $cgi->params('myparam');
-
-Finally, what if we need to get a value from our HTML page and we
-want to send that value to an outside script but the outside script
-requires a named parameter different from I<'args'>?  You can
-accomplish this with L<CGI::Ajax> using the getVal() javascript
-method (which returns an array, thus the C<getVal()[0]> notation):
-
-  onClick="exported_func(['myparam__' + getVal('div_id')[0]],
-                         ['resultdiv']);"
-
-This will get the value of our HTML element with and
-I<id> of I<div_id>, and submit it to the url attached to
-I<myparam__>.  So if our exported handler referred to a URI
-called I<script/scr.pl>, and the element on our HTML page called
-I<div_id> contained the number '42', then the URL would look
-like this C<script/scr.pl?myparam=42>.  The result from this
-outside URL would get placed back into our HTML page in the
-element I<resultdiv>.  See the example script that comes with
-the distribution called I<pjx_url.pl> and its associated outside
-script I<convert_degrees.pl> for a working example.
-
-B<N.B.> These examples show the use of outside scripts which
-are other perl scripts - I<but you are not limited to Perl>!
-The outside script could just as easily have been PHP or any other
-CGI script, as long as the return from the other script is just
-the result, and not addition HTML code (like FORM elements, etc).
-
-=back
-
-=head2 GET versus POST
-
-Note that all the examples so far have used the following syntax:
-
-  onClick="exported_func(['input1'],['result1']);"
-
-There is an optional third argument to a L<CGI::Ajax> exported
-function that allows change the submit method.  The above event could
-also have been coded like this...
-
-  onClick="exported_func(['input1'],['result1'], 'GET');"
-
-By default, L<CGI::Ajax> sends a I<'GET'> request.  If you need it,
-for example your URL is getting way too long, you can easily switch
-to a I<'POST'> request with this syntax...
-
-  onClick="exported_func(['input1'],['result1'], 'POST');"
-
-I<('POST' and 'post' are supported)>
-
-=head2 Page Caching
-
-We have implemented a method to prevent page cacheing from undermining
-the AJAX methods in a page.  If you send in an input argument to a
-L<CGI::Ajax>-exported function called 'NO_CACHE', the a special
-parameter will get attached to the end or your url with a random
-number in it.  This will prevent a browser from caching your request.
-
-  onClick="exported_func(['input1','NO_CACHE'],['result1']);"
-
-The extra param is called pjxrand, and won't interfere with the order
-of processing for the rest of your parameters.
-
-=head1 METHODS
-
-=cut
-
-################################### main pod documentation end ##
-
-######################################################
-## METHODS - public                                 ##
-######################################################
-
-=over 4
-
-=item build_html()
-
-    Purpose: Associates a cgi obj ($cgi) with pjx object, inserts
-             javascript into <HEAD></HEAD> element and constructs
-             the page, or part of the page.  AJAX applications
-             are designed to update only the section of the
-             page that needs it - the whole page doesn't have
-             to be redrawn.  L<CGI::Ajax> applications use the
-             build_html() method to take care of this: if the CGI
-             parameter C<fname> exists, then the return from the
-             L<CGI::Ajax>-exported function is sent to the page.
-             Otherwise, the entire page is sent, since without
-             an C<fname> param, this has to be the first time
-             the page is being built.
-
-  Arguments: The CGI object, and either a coderef, or a string
-             containing html.  Optionally, you can send in a third
-             parameter containing information that will get passed
-             directly to the CGI object header() call.
-    Returns: html or updated html (including the header)
-  Called By: originating cgi script
-
-=cut
-sub build_html {
-  my ( $self, $cgi, $html_source, $cgi_header_extra ) = @_;
-
-  if ( ref( $cgi ) =~ /CGI.*/ ) {
-    if ( $self->DEBUG() ) {
-      print STDERR "CGI::Ajax->build_html: CGI* object was received\n";
-    }
-    $self->cgi( $cgi ); # associate the cgi obj with the CGI::Ajax object
-  }
-
-  if ( defined $cgi_header_extra ) {
-    if ( $self->DEBUG() ) {
-      print STDERR "CGI::Ajax->build_html: got extra cgi header info\n";
-      if ( ref($cgi_header_extra) eq "HASH" ) {
-        foreach my $k ( keys %$cgi_header_extra ) {
-          print STDERR "\t$k => ", $cgi_header_extra->{$k}, "\n";
-        }
-      } else {
-        print STDERR "\t$cgi_header_extra\n";
-      }
-    }
-    $self->cgi_header_extra( $cgi_header_extra ); 
-  }
-
-  #check if "fname" was defined in the CGI object
-  if ( defined $self->cgi()->param("fname") ) {
-    # it was, so just return the html from the handled request
-    return ( $self->handle_request() );
-  }
-  else {
-    # start with the minimum, a http header line and any extra cgi
-    # header params sent in
-    my $html = "";
-    if ( $self->cgi()->can('header') ) {
-      #$html .= $self->cgi()->header();
-      $html .= $self->cgi()->header( $self->cgi_header_extra() );
-    }
-    else {
-      # don't have an object with a "header()" method, so just create
-      # a mimimal one
-      $html .= "Content-Type: text/html;";
-      $html .= $self->cgi_header_extra();
-      $html .= "\n\n";
-    }
-
-    # check if the user sent in a coderef for generating the html,
-    # or the actual html
-    if ( ref($html_source) eq "CODE" ) {
-      if ( $self->DEBUG() ) {
-        print STDERR "CGI::Ajax->build_html: html_source is a CODEREF\n";
-      }
-      eval { $html .= &$html_source };
-      if ($@) {
-        # there was a problem evaluating the html-generating function
-        # that was sent in, so generate an error page
-        if ( $self->cgi()->can('header') ) {
-          $html = $self->cgi()->header( $self->cgi_header_extra() );
-        }
-        else {
-          # don't have an object with a "header()" method, so just create
-          # a mimimal one
-          $html = "Content-Type: text/html;";
-          $html .= $self->cgi_header_extra();
-          $html .= "\n\n";
-        }
-        $html .= qq!<html><head><title></title></head><body><h2>Problems</h2> with
-          the html-generating function sent to CGI::Ajax
-          object</body></html>!;
-        return $html;
-      }
-      $self->html($html);    # no problems, so set html
-    }
-    else {
-      # user must have sent in raw html, so add it
-      if ( $self->DEBUG() ) {
-        print STDERR "CGI::Ajax->build_html: html_source is HTML\n";
-      }
-      $self->html( $html . $html_source );
-    }
-
-    # now modify the html to insert the javascript
-    $self->insert_js_in_head();
-  }
-  return $self->html();
-}
-
-=item show_javascript()
-
-    Purpose: builds the text of all the javascript that needs to be
-             inserted into the calling scripts html <head> section
-  Arguments:
-    Returns: javascript text
-  Called By: originating web script
-       Note: This method is also overridden so when you just print
-             a CGI::Ajax object it will output all the javascript needed
-             for the web page.
-
-=cut
-
-sub show_javascript {
-  my ($self) = @_;
-  my $rv = $self->show_common_js();    # show the common js
-
-  # build the js for each perl function you want exported to js
-  foreach my $func ( keys %{ $self->coderef_list() }, keys %{ $self->url_list() } ) {
-    $rv .= $self->make_function($func);
-  }
-  # wrap up the return in a CDATA structure for XML compatibility
-  # (thanks Thos Davis)
-  $rv = "\n" . '//<![CDATA[' . "\n" . $rv . "\n" . '//]]>' . "\n";
-  $rv = '<script type="text/javascript">' . $rv . '</script>';
-  return $rv;
-}
-
-## new
-sub new {
-  my ($class) = shift;
-  my $self = bless ({}, ref ($class) || $class);
-#  $self->SUPER::new();
-  $self->JSDEBUG(0); # turn javascript debugging off (if on,
-                     # extra info will be added to the web page output
-                     # if set to 1, then the core js will get
-                     # compressed, but the user-defined functions will
-                     # not be compressed.  If set to 2 (or anything
-                     # greater than 1 or 0), then none of the
-                     # javascript will get compressed.
-                     #
-  $self->DEBUG(0);   # turn debugging off (if on, check web logs)
-
-  #accessorized attributes
-  $self->coderef_list({});
-  $self->url_list({});
-  #$self->html("");
-  #$self->cgi();
-  #$self->cgi_header_extra(""); # set cgi_header_extra to an empty string
-
-  # setup a default endcoding; if you need support for international
-	# charsets, use 'escape' instead of encodeURIComponent.  Due to the
-	# number of browser problems users report about scripts with a default of
-	# encodeURIComponent, we are setting the default to 'escape'
-  $self->js_encode_function('escape');
-
-  if ( @_ < 2 ) {
-    die "incorrect usage: must have fn=>code pairs in new\n";
-  }
-
-  while ( @_ ) {
-    my($function_name,$code) = splice( @_, 0, 2 );
-    if ( ref( $code ) eq "CODE" ) {
-      if ( $self->DEBUG() ) {
-        print STDERR "name = $function_name, code = $code\n";
-      }
-      # add the name/code to hash
-      $self->coderef_list()->{ $function_name } = $code;
-    } elsif ( ref($code) ) {
-      die "Unsuported code block/url\n";
-    } else {
-      if ( $self->DEBUG() ) {
-        print STDERR "Setting function $function_name to url $code\n";
-      }
-      # if it's a url, it is added here
-      $self->url_list()->{ $function_name } = $code;
-    }
-  }
-  return ($self);
-}
-
-######################################################
-## METHODS - private                                ##
-######################################################
-
-# sub cgiobj(), cgi()
-#
-#    Purpose: accessor method to associate a CGI object with our
-#             CGI::Ajax object
-#  Arguments: a CGI object
-#    Returns: CGI::Ajax objects cgi object
-#  Called By: originating cgi script, or build_html()
-#
-sub cgiobj {
-  my $self = shift;
-  # see if any values were sent in...
-  if ( @_ ) {
-    my $cgi = shift;
-    # add support for other CGI::* modules This requires that your web server
-    # be configured properly.  I can't test anything but a mod_perl2
-    # setup, so this prevents me from testing CGI::Lite,CGI::Simple, etc.
-    if ( ref($cgi) =~ /CGI.*/ ) {
-      if ( $self->DEBUG() ) {
-				print STDERR "cgiobj() received a CGI-like object ($cgi)\n";
-      }
-      $self->{'cgi'} = $cgi;
-    } else {
-      die "CGI::Ajax -- Can't set internal CGI object to a non-CGI object ($cgi)\n";
-    }
-  }
-  # return the object
-  return( $self->{'cgi'} );
-}
-
-sub cgi {
-  my $self = shift;
-  if ( @_ ) {
-    return( $self->cgiobj( @_ ) );
-  } else {
-    return( $self->cgiobj() );
-  }
-}
-
-## # sub cgi_header_extra
-## #
-## #    Purpose: accessor method to associate CGI header information
-## #             with the CGI::Ajax object
-## #  Arguments: a hashref with key=>value pairs that get handed off to
-## #             the CGI object's header() method
-## #    Returns: hashref of extra cgi header params
-## #  Called By: originating cgi script, or build_html()
-## 
-## sub cgi_header_extra {
-##   my $self = shift;
-##   if ( @_ ) {
-##     $self->{'cgi_header_extra'} = shift;
-##   }
-##   return( $self->{'cgi_header_extra'} );
-## }
-
-# sub create_js_setRequestHeader
-#
-#    Purpose: create text of the header for the javascript side,
-#             xmlhttprequest call
-#  Arguments: none
-#    Returns: text of header to pass to xmlhttpreq call so it will
-#             match whatever was setup for the main web-page
-#  Called By: originating cgi script, or build_html()
-#
-
-sub create_js_setRequestHeader {
-  my $self = shift;
-  my $cgi_header_extra = $self->cgi_header_extra();
-  my $js_header_string = q{r.setRequestHeader("};
-	#$js_header_string .= $self->cgi()->header( $cgi_header_extra );
-	$js_header_string .= $self->cgi()->header();
-  $js_header_string .= q{");};
-	#if ( ref $cgi_header_extra eq "HASH" ) {
-	#	foreach my $k ( keys(%$cgi_header_extra) ) {
-	#		$js_header_string .= $self->cgi()->header($cgi_headers) 
-	#	}
-	#} else {
-  #print STDERR  $self->cgi()->header($cgi_headers) ;
-  
-	if ( $self->DEBUG() ) {
-		print STDERR "js_header_string is (", $js_header_string, ")\n";
-	}
-
-  return($js_header_string);
-}
-
-# sub show_common_js()
-#
-#    Purpose: create text of the javascript needed to interface with
-#             the perl functions
-#  Arguments: none
-#    Returns: text of common javascript subroutine, 'do_http_request'
-#  Called By: originating cgi script, or build_html()
-#
-
-sub show_common_js {
-  my $self = shift;
-  my $encodefn = $self->js_encode_function();
-  my $decodefn = $encodefn;
-  $decodefn =~ s/^(en)/de/;
-  $decodefn =~ s/^(esc)/unesc/;
-  #my $request_header_str = $self->create_js_setRequestHeader();
-  my $request_header_str = "";
-  my $rv = <<EOT;
-var ajax = [];
-function pjx(args,fname,method) {
-  this.target=args[1];
-  this.args=args[0];
-  method=(method)?method:'GET';
-  if(method=='post'){method='POST';}
-  this.method = method;
-  this.r=ghr();
-  this.url = this.getURL(fname);
-}
-
-function formDump(){
-  var all = [];
-  var fL = document.forms.length;
-  for(var f = 0;f<fL;f++){
-    var els = document.forms[f].elements;
-    for(var e in els){
-      var tmp = (els[e].id != undefined)? els[e].id : els[e].name;
-      if(typeof tmp != 'string'){continue;}
-      if(tmp){ all[all.length]=tmp}
-    }
-  }
-  return all;
-}
-function getVal(id) {
-  if (id.constructor == Function ) { return id(); }
-  if (typeof(id)!= 'string') { return id; }
-  var element = document.getElementById(id) || document.forms[0].elements[id];
-  if(!element){
-     alert('ERROR: Cant find HTML element with id or name: ' +
-     id+'. Check that an element with name or id='+id+' exists');
-     return 0;
-  }
-   if(element.type == 'select-one') { 
-      if(element.selectedIndex == -1) return;
-      var item = element[element.selectedIndex]; 
-      return  item.value || item.text
-   } 
-  if (element.type == 'select-multiple') {
-  var ans = [];
-  var k =0;
-    for (var i=0;i<element.length;i++) {
-      if (element[i].selected || element[i].checked ) {
-        ans[k++]= element[i].value || element[i].text;
-      }
-    }
-    return ans;
-  }
-    
-  if(element.type == 'radio' || element.type == 'checkbox'){
-    var ans =[];
-    var elms = document.getElementsByTagName('input');
-    var endk = elms.length;
-    var i =0;
-    for(var k=0;k<endk;k++){
-      if(elms[k].type== element.type && elms[k].checked && elms[k].id==id){
-        ans[i++]=elms[k].value;
-      }
-    }
-    return ans;
-  }
-  if( element.value == undefined ){
-    return element.innerHTML;
-  }else{
-    return element.value;
-  }
-}
-function fnsplit(arg) {
-  var url="";
-  if(arg=='NO_CACHE'){return '&pjxrand='+Math.random()}
-  if((typeof(arg)).toLowerCase() == 'object'){
-      for(var k in arg){
-         url += '&' + k + '=' + arg[k];
-      }
-  }else if (arg.indexOf('__') != -1) {
-    arga = arg.split(/__/);
-    url += '&' + arga[0] +'='+ $encodefn(arga[1]);
-  } else {
-    var res = getVal(arg) || '';
-    if(res.constructor != Array){ res = [res] }
-    for(var i=0;i<res.length;i++) {
-      url += '&args=' + $encodefn(res[i]) + '&' + arg + '=' + $encodefn(res[i]);
-    }
-  }
-  return url;
-}
-
-pjx.prototype =  {
-  send2perl : function(){
-    var r = this.r;
-    var dt = this.target;
-    this.pjxInitialized(dt);
-    var url=this.url;
-    var postdata;
-    if(this.method=="POST"){
-      var idx=url.indexOf('?');
-      postdata = url.substr(idx+1);
-      url = url.substr(0,idx);
-    }
-    r.open(this.method,url,true);
-    $request_header_str;
-    if(this.method=="POST"){
-      r.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
-      r.send(postdata);
-    }
-    if(this.method=="GET"){
-      r.send(null);
-    }
-    r.onreadystatechange = handleReturn;
- },
- pjxInitialized : function(){},
- pjxCompleted : function(){},
- readyState4 : function(){
-    var rsp = $decodefn(this.r.responseText);  /* the response from perl */
-    var splitval = '__pjx__';  /* to split text */
-    var data = rsp.split(splitval);  
-    dt = this.target;
-    if (dt.constructor != Array) { dt=[dt]; }
-    if (data.constructor != Array) { data=[data]; }
-    if (typeof(dt[0])=='function') {
-       dt[0].apply(this,data);
-    } else {
-      for ( var i=0; i<dt.length; i++ ) {
-        if (typeof(dt[i])=='function') {
-          dt[i].apply(this,[data[i]]);
-        } else {
-          var div = document.getElementById(dt[i]);
-          if (div.type =='text' || div.type=='textarea' || div.type=='hidden' ) {
-            div.value=data[i];
-          } else{
-            div.innerHTML = data[i];
-          }
-        }
-      }
-    }
-    this.pjxCompleted(dt);
- },
-
-  getURL : function(fname) {
-      var args = this.args;
-      var url= 'fname=' + fname;
-      for (var i=0;i<args.length;i++) {
-        url=url + args[i];
-      }
-      return url;
-  }
-};
-
-handleReturn = function() {
-  for( var k=0; k<ajax.length; k++ ) {
-    if (ajax[k].r==null) { ajax.splice(k--,1); continue; }
-    if ( ajax[k].r.readyState== 4) { 
-      ajax[k].readyState4();
-      ajax.splice(k--,1);
-      continue;
-    }
-  }
-};
-
-var ghr=getghr();
-function getghr(){
-    if(typeof XMLHttpRequest != "undefined")
-    {
-        return function(){return new XMLHttpRequest();}
-    }
-    var msv= ["Msxml2.XMLHTTP.7.0", "Msxml2.XMLHTTP.6.0",
-    "Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0",
-    "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
-    for(var j=0;j<=msv.length;j++){
-        try
-        {
-            A = new ActiveXObject(msv[j]);
-            if(A){ 
-              return function(){return new ActiveXObject(msv[j]);}
-            }
-        }
-        catch(e) { }
-     }
-     return false;
-}
-
-
-function jsdebug(){
-    var tmp = document.getElementById('pjxdebugrequest').innerHTML = "<br><pre>";
-    for( var i=0; i < ajax.length; i++ ) {
-      tmp += '<a href= '+ ajax[i].url +' target=_blank>' +
-      decodeURI(ajax[i].url) + ' </a><br>';
-    }
-    document.getElementById('pjxdebugrequest').innerHTML = tmp + "</pre>";
-}
-
-EOT
-
-  if ( $self->JSDEBUG() <= 1 ) {
-    $rv = $self->compress_js($rv);
-  }
-
-  return($rv);
-}
-
-# sub compress_js()
-#
-#    Purpose: searches the javascript for newlines and spaces and
-#             removes them (if a newline) or shrinks them to a single (if
-#             space).
-#  Arguments: javascript to compress
-#    Returns: compressed js string
-#  Called By: show_common_js(),
-#
-
-sub compress_js {
-  my($self,$js) = @_;
-  return if not defined $js;
-  return if $js eq "";
-  $js =~ s/\n//g;   # drop newlines
-  $js =~ s/\s+/ /g; # replace 1+ spaces with just one space
-  return $js;
-}
-
-
-# sub insert_js_in_head()
-#
-#    Purpose: searches the html value in the CGI::Ajax object and inserts
-#             the ajax javascript code in the <script></script> section,
-#             or if no such section exists, then it creates it.  If
-#             JSDEBUG is set, then an extra div will be added and the
-#             url wil be desplayed as a link
-#  Arguments: none
-#    Returns: none
-#  Called By: build_html()
-#
-
-sub insert_js_in_head{
-  my $self = shift;
-  my $mhtml = $self->html();
-  my $newhtml;
-  my @shtml;
-  my $js = $self->show_javascript();
-
-  if ( $self->JSDEBUG() ) {
-    my $showurl=qq!<br/><div id='pjxdebugrequest'></div><br/>!;
-    # find the terminal </body> so we can insert just before it
-    my @splith = $mhtml =~ /(.*)(<\s*\/\s*body[^>]*>?)(.*)/is;
-    $mhtml = $splith[0].$showurl.$splith[1].$splith[2];
-  }
-
-  # see if we can match on <head>
-  @shtml= $mhtml =~ /(.*)(<\s*head[^>]*>?)(.*)/is;
-  if ( @shtml ) {
-    # yes, there's already a <head></head>, so let's insert inside it,
-    # at the beginning
-    $newhtml = $shtml[0].$shtml[1].$js.$shtml[2];
-  } elsif( @shtml= $mhtml =~ /(.*)(<\s*html[^>]*>?)(.*)/is){
-    # there's no <head>, so look for the <html> tag, and insert out
-    # javascript inside that tag
-    $newhtml = $shtml[0].$shtml[1].$js.$shtml[2];
-  } else {
-    $newhtml .= "<html><head>";
-    $newhtml .= $js;
-    $newhtml .= "</head><body>";
-    $newhtml .= "No head/html tags, nowhere to insert.  Returning javascript anyway<br>";
-    $newhtml .= "</body></html>";
-  }
-  $self->html($newhtml);
-  return;
-}
-
-# sub handle_request()
-#
-#    Purpose: makes sure a fname function name was set in the CGI
-#             object, and then tries to eval the function with
-#             parameters sent in on args
-#  Arguments: none
-#    Returns: the result of the perl subroutine, as text; if multiple
-#             arguments are sent back from the defined, exported perl
-#             method, then join then with a connector (__pjx__).
-#  Called By: build_html()
-#
-
-sub handle_request {
-  my ($self) = shift;
-
-  my $result; # $result takes the output of the function, if it's an
-              # array split on __pjx__
-  my @other = (); # array for catching extra parameters
-
-  # we need to access "fname" in the form from the web page, so make
-  # sure there is a CGI object defined
-  return undef unless defined $self->cgi();
-
-  my $rv = "";
-  if ( $self->cgi()->can('header') ) {
-    $rv = $self->cgi()->header( $self->cgi_header_extra() );
-  } else {
-    # don't have an object with a "header()" method, so just create
-    # a mimimal one
-    $rv = "Content-Type: text/html;";
-    # TODO: 
-    $rv .= $self->cgi_header_extra();
-    $rv .= "\n\n";
-  }
-
-  # get the name of the function
-  my $func_name = $self->cgi()->param("fname");
-
-  # check if the function name was created
-  if ( defined $self->coderef_list()->{$func_name} ) {
-    my $code = $self->coderef_list()->{$func_name};
-
-    # eval the code from the coderef, and append the output to $rv
-    if ( ref($code) eq "CODE" ) {
-      eval { ($result, @other) = $code->( $self->cgi()->param("args") ) };
-
-      if ($@) {
-        # see if the eval caused and error and report it
-        # Should we be more severe and die?
-        if ( $self->DEBUG() ) {
-          print STDERR "Problem with code: $@\n";
-        }
-      }
-
-      if( @other ) {
-          $rv .= join( "__pjx__", ($result, @other) );
-          if ( $self->DEBUG() ) {
-            print STDERR "rv = $rv\n";
-          }
-      } else {
-        if ( defined $result ) {
-          $rv .= $result;
-        }
-      }
-
-    } # end if ref = CODE
-  } else {
-    # # problems with the URL, return a CGI rrror
-    print STDERR "POSSIBLE SECURITY INCIDENT! Browser from ", $self->cgi()->remote_addr();
-    print STDERR "\trequested URL: ", $self->cgi()->url();
-    print STDERR "\tfname request: ", $self->cgi()->param('fname');
-    print STDERR " -- returning Bad Request status 400\n";
-    if ( $self->cgi()->can('header') ) {
-      return($self->cgi()->header( -status=>'400' ));
-    } else {
-      # don't have an object with a "header()" method, so just create
-      # a mimimal one with 400 error
-      $rv = "Status: 400\nContent-Type: text/html;\n\n";
-    }
-  }
-  return $rv;
-}
-
-
-# sub make_function()
-#
-#    Purpose: creates the javascript wrapper for the underlying perl
-#             subroutine
-#  Arguments: CGI object from web form, and the name of the perl
-#             function to export to javascript, or a url if the
-#             function name refers to another cgi script
-#    Returns: text of the javascript-wrapped perl subroutine
-#  Called By: show_javascript; called once for each registered perl
-#             subroutine
-#
-
-sub make_function {
-  my ($self, $func_name ) = @_;
-  return("") if not defined $func_name;
-  return("") if $func_name eq "";
-  my $rv = "";
-  my $script = $0 || $ENV{SCRIPT_FILENAME};
-  $script =~ s/.*[\/|\\](.+)$/$1/;
-  my $outside_url = $self->url_list()->{ $func_name };
-  my $url = defined $outside_url ? $outside_url : $script;
-  if ($url =~ /\?/) { $url.='&'; } else {$url.='?'}
-  $url = "'$url'";
-  my $jsdebug = "";
-  if ( $self->JSDEBUG()) {
-    $jsdebug = "jsdebug()";
-  }
-
-  #create the javascript text
-  $rv .= <<EOT;
-function $func_name() {
-  var args = $func_name.arguments;
-  for( var i=0; i<args[0].length;i++ ) {
-    args[0][i] = fnsplit(args[0][i]);
-  }
-  var l = ajax.length;
-  ajax[l]= new pjx(args,"$func_name",args[2]);
-  ajax[l].url = $url + ajax[l].url;
-  ajax[l].send2perl();
-  $jsdebug;
-}
-EOT
-
-  if ( not $self->JSDEBUG() ) {
-    $rv = $self->compress_js($rv);
-  }
-  return $rv;
-}
-
-=item register()
-
-    Purpose: adds a function name and a code ref to the global coderef
-             hash, after the original object was created
-  Arguments: function name, code reference
-    Returns: none
-  Called By: originating web script
-
-=cut
-
-sub register {
-  my ( $self, $fn, $coderef ) = @_;
-  # coderef_list() is a Class::Accessor function
-  # url_list() is a Class::Accessor function
-  if ( ref( $coderef ) eq "CODE" ) {
-    $self->coderef_list()->{$fn} = $coderef;
-  } elsif ( ref($coderef) ) {
-    die "Unsupported code/url type - error\n";
-  } else {
-    $self->url_list()->{$fn} = $coderef;
-  }
-}
-
-=item JSDEBUG()
-
-    Purpose: Show the AJAX URL that is being generated, and stop
-             compression of the generated javascript, both of which can aid
-             during debugging.  If set to 1, then the core js will get
-             compressed, but the user-defined functions will not be
-             compressed.  If set to 2 (or anything greater than 1 or 0), 
-             then none of the javascript will get compressed.
-
-  Arguments: JSDEBUG(0); # turn javascript debugging off
-             JSDEBUG(1); # turn javascript debugging on, some javascript compression
-             JSDEBUG(2); # turn javascript debugging on, no javascript compresstion
-    Returns: prints a link to the url that is being generated automatically by
-             the Ajax object. this is VERY useful for seeing what
-             CGI::Ajax is doing. Following the link, will show a page
-             with the output that the page is generating.
-             
-  Called By: $pjx->JSDEBUG(1) # where $pjx is a CGI::Ajax object;
-
-=item DEBUG()
-
-    Purpose: Show debugging information in web server logs
-  Arguments: DEBUG(0); # turn debugging off (default)
-             DEBUG(1); # turn debugging on
-    Returns: prints debugging information to the web server logs using
-             STDERR
-  Called By: $pjx->DEBUG(1) # where $pjx is a CGI::Ajax object;
-
-=back
-
-=head1 BUGS
-
-Follow any bugs at our homepage....
-
-  http://www.perljax.us
-
-=head1 SUPPORT
-
-Check out the news/discussion/bugs lists at our homepage:
-
-  http://www.perljax.us
-
-=head1 AUTHORS
-
-  Brian C. Thomas     Brent Pedersen
-  CPAN ID: BCT
-  bct.x42@gmail.com   bpederse@gmail.com
-
-=head1 A NOTE ABOUT THE MODULE NAME
-
-This module was initiated using the name "Perljax", but then
-registered with CPAN under the WWW group "CGI::", and so became
-"CGI::Perljax".  Upon further deliberation, we decided to change it's
-name to L<CGI::Ajax>.
-
-=head1 COPYRIGHT
-
-This program is free software; you can redistribute
-it and/or modify it under the same terms as Perl itself.
-
-The full text of the license can be found in the
-LICENSE file included with this module.
-
-=head1 SEE ALSO
-
-L<Data::Javascript>
-L<CGI>
-L<Class::Accessor>
-
-=cut
-
-1;
-__END__
-- 
2.20.1