Toby Inkster avatar Toby Inkster committed 0b973cc

Release update for JSON-Path with proper license in META.yml, etc;
release JSON-T which will be foundation for JSON::GRDDL.

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Files changed (13)

+############################################################################
+## Changes #################################################################
+############################################################################
+
+JSON-T
+======
+
+Created:      2010-07-29
+Home page:    <http://search.cpan.org/dist/JSON-T/>
+Bug tracker:  <http://rt.cpan.org/Dist/Display.html?Queue=JSON-T>
+Maintainer:   Toby Inkster <mailto:tobyink@cpan.org>
+
+0.090_00 [2010-07-30]
+
+#############################################################
+
+@prefix :        <http://usefulinc.com/ns/doap#> .
+@prefix dcs:     <http://ontologi.es/doap-changeset#> .
+@prefix dc:      <http://purl.org/dc/terms/> .
+@prefix foaf:    <http://xmlns.com/foaf/0.1/> .
+@prefix my:      <http://purl.org/NET/cpan-uri/dist/JSON-T/> .
+@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix toby:    <http://tobyinkster.co.uk/#> .
+@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
+
+#############################################################
+
+<>
+
+	dc:title         "Changes" ;
+	dc:description   "Revision history for Perl extension JSON::T."@en ;
+	dc:subject       my:project ;
+	dc:creator       toby:i .
+
+#############################################################
+
+my:v_0-090_00
+
+	a               :Version ;
+	dc:issued       "2010-07-30"^^xsd:date ;
+	:revision       "0.090_00"^^xsd:string ;
+	:file-release   <http://backpan.cpan.org/authors/id/T/TO/TOBYINK/JSON-T-0.090_00.tar.gz> ;
+	rdfs:comment    "Original version"@en .
+
+#############################################################
+
+my:project
+
+	a               :Project ;
+	:name           "JSON-T" ;
+	:shortdesc      "transform JSON using JsonT"@en ;
+	:programming-language  "Perl" ;
+	:homepage       <http://search.cpan.org/dist/JSON-T/> ;
+	:download-page  <http://search.cpan.org/dist/JSON-T/> ;
+	:bug-database   <http://rt.cpan.org/Dist/Display.html?Queue=JSON-T> ;
+	:repository     [ a :SVNRepository ; :browse <http://goddamn.co.uk/viewvc/perlmods/JSON-T/> ] ;
+	:maintainer     toby:i ;
+	:developer      toby:i ;
+	:documenter     toby:i ;
+	:tester         toby:i ;
+	:created        "2010-07-29"^^xsd:date ;
+	:license        <http://creativecommons.org/licenses/LGPL/2.1/> ;
+	:release        my:v_0-090_00 .
+
+#############################################################
+
+toby:i
+
+	a               foaf:Person ;
+	foaf:name       "Toby Inkster" ;
+	foaf:homepage   <http://tobyinkster.co.uk/> ;
+	foaf:page       <http://search.cpan.org/~tobyink/> ;
+	foaf:mbox       <mailto:tobyink@cpan.org> ;
+	<http://www.w3.org/2002/07/owl#sameAs> <http://purl.org/NET/cpan-uri/person/tobyink> .
+
+#############################################################
+<?xml version="1.0" encoding="utf-8"?>
+<rdf:RDF xmlns:dbug="http://ontologi.es/doap-bugs#" xmlns:dc="http://purl.org/dc/terms/" xmlns:dcs="http://ontologi.es/doap-changeset#" xmlns:doap="http://usefulinc.com/ns/doap#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
+<rdf:Description rdf:nodeID="r1289B5689BB011DFB7EED0F1E28EB046r0">
+	<doap:browse rdf:resource="http://goddamn.co.uk/viewvc/perlmods/JSON-T/"/>
+	<rdf:type rdf:resource="http://usefulinc.com/ns/doap#SVNRepository"/>
+</rdf:Description>
+<rdf:Description rdf:about="file:///home/tai/src/perlmods/JSON-T/Changes.ttl">
+	<dc:creator rdf:resource="http://tobyinkster.co.uk/#i"/>
+	<dc:description xml:lang="en">Revision history for Perl extension JSON::T.</dc:description>
+	<dc:subject rdf:resource="http://purl.org/NET/cpan-uri/dist/JSON-T/project"/>
+	<dc:title>Changes</dc:title>
+</rdf:Description>
+<rdf:Description rdf:about="http://purl.org/NET/cpan-uri/dist/JSON-T/project">
+	<doap:bug-database rdf:resource="http://rt.cpan.org/Dist/Display.html?Queue=JSON-T"/>
+	<doap:created rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2010-07-29</doap:created>
+	<doap:developer rdf:resource="http://tobyinkster.co.uk/#i"/>
+	<doap:documenter rdf:resource="http://tobyinkster.co.uk/#i"/>
+	<doap:download-page rdf:resource="http://search.cpan.org/dist/JSON-T/"/>
+	<doap:homepage rdf:resource="http://search.cpan.org/dist/JSON-T/"/>
+	<doap:license rdf:resource="http://creativecommons.org/licenses/LGPL/2.1/"/>
+	<doap:maintainer rdf:resource="http://tobyinkster.co.uk/#i"/>
+	<doap:name>JSON-T</doap:name>
+	<doap:programming-language>Perl</doap:programming-language>
+	<doap:release rdf:resource="http://purl.org/NET/cpan-uri/dist/JSON-T/v_0-090_00"/>
+	<doap:repository rdf:nodeID="r1289B5689BB011DFB7EED0F1E28EB046r0"/>
+	<doap:shortdesc xml:lang="en">transform JSON using JsonT</doap:shortdesc>
+	<doap:tester rdf:resource="http://tobyinkster.co.uk/#i"/>
+	<rdf:type rdf:resource="http://usefulinc.com/ns/doap#Project"/>
+</rdf:Description>
+<rdf:Description rdf:about="http://purl.org/NET/cpan-uri/dist/JSON-T/v_0-090_00">
+	<dc:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2010-07-30</dc:issued>
+	<doap:file-release rdf:resource="http://backpan.cpan.org/authors/id/T/TO/TOBYINK/JSON-T-0.090_00.tar.gz"/>
+	<doap:revision rdf:datatype="http://www.w3.org/2001/XMLSchema#string">0.090_00</doap:revision>
+	<rdf:type rdf:resource="http://usefulinc.com/ns/doap#Version"/>
+	<rdfs:comment xml:lang="en">Original version</rdfs:comment>
+</rdf:Description>
+<rdf:Description xmlns:ns1="http://www.w3.org/2002/07/owl#" rdf:about="http://tobyinkster.co.uk/#i">
+	<rdf:type rdf:resource="http://xmlns.com/foaf/0.1/Person"/>
+	<ns1:sameAs rdf:resource="http://purl.org/NET/cpan-uri/person/tobyink"/>
+	<foaf:homepage rdf:resource="http://tobyinkster.co.uk/"/>
+	<foaf:mbox rdf:resource="mailto:tobyink@cpan.org"/>
+	<foaf:name>Toby Inkster</foaf:name>
+	<foaf:page rdf:resource="http://search.cpan.org/~tobyink/"/>
+</rdf:Description>
+</rdf:RDF>

Binary file added.

+Changes
+Changes.ttl
+Changes.xml
+Makefile.PL
+MANIFEST
+MANIFEST.SKIP
+README
+META.yml
+SIGNATURE
+
+t/00sig.t
+t/01basic.t
+
+inc/Module/AutoInstall.pm
+inc/Module/Install/AutoInstall.pm
+inc/Module/Install/Base.pm
+inc/Module/Install/Can.pm
+inc/Module/Install/DOAPChangeSets.pm
+inc/Module/Install/Fetch.pm
+inc/Module/Install/Include.pm
+inc/Module/Install/Makefile.pm
+inc/Module/Install/Metadata.pm
+inc/Module/Install.pm
+inc/Module/Install/ReadmeFromPod.pm
+inc/Module/Install/Win32.pm
+inc/Module/Install/WriteAll.pm
+inc/Test/Signature.pm
+
+lib/JSON/T.pm
+^Makefile$
+^blib/
+^pm_to_blib
+^blibdirs
+\.svn
+^example.*\.pl$
+^[^/]+\.(tar\.gz|tar\.bz2|tgz|tbz2|tbz|zip|tar)$
+^MYMETA..yml
+---
+abstract: 'transform JSON using JsonT'
+author:
+  - 'Toby Inkster <tobyink@cpan.org>'
+build_requires:
+  ExtUtils::MakeMaker: 6.42
+  Test::More: 0.61
+configure_requires:
+  ExtUtils::MakeMaker: 6.42
+distribution_type: module
+generated_by: 'Module::Install version 0.95'
+license: lgpl
+meta-spec:
+  url: http://module-build.sourceforge.net/META-spec-v1.4.html
+  version: 1.4
+name: JSON-T
+no_index:
+  directory:
+    - inc
+    - t
+requires:
+  JSON: 2.00
+  JavaScript::SpiderMonkey: 0.19
+  common::sense: 1.00
+resources:
+  bugtracker: http://rt.cpan.org/Dist/Display.html?Queue=JSON-T
+  homepage: http://search.cpan.org/dist/JSON-T/
+  license: http://opensource.org/licenses/lgpl-license.php
+  repository: http://goddamn.co.uk/viewvc/perlmods/JSON-T/
+version: 0.090_00
+use strict;
+use warnings;
+
+use inc::Module::Install;
+
+my $dist = 'JSON-T';
+my $fn   = "lib/$dist.pm"; $fn =~ s#-#/#g;
+
+name                $dist;
+perl_version_from   $fn;
+version_from        $fn;
+abstract_from       $fn;
+readme_from         $fn;
+author              'Toby Inkster <tobyink@cpan.org>';
+license             'lgpl';
+
+requires            'common::sense'      => '1.00';
+requires            'JavaScript::SpiderMonkey' => '0.19';
+requires            'JSON'               => '2.00';
+test_requires       'Test::More'         => '0.61';
+
+resources(
+	'homepage'   => "http://search.cpan.org/dist/$dist/",
+	'repository' => "http://goddamn.co.uk/viewvc/perlmods/$dist/",
+	'bugtracker' => "http://rt.cpan.org/Dist/Display.html?Queue=$dist",
+	);
+	
+write_doap_changes;
+write_doap_changes_xml;
+
+include 'Test::Signature';
+auto_install;
+WriteAll(
+	'meta' => 1,
+	'sign' => 1,
+	);
+NAME
+    JSON::T - transform JSON using JsonT
+
+SYNOPSIS
+     my $jsont = slurp('foo/bar.js');
+     my $input = slurp('foo/quux.json');
+     my $JSONT = JSON::T->new($jsont);
+     print $JSONT->transform($input);
+
+DESCRIPTION
+    This module implements JsonT, a language for transforming JSON-like
+    structures, analogous to XSLT in the XML world.
+
+    JsonT is described at <http://goessner.net/articles/jsont/>. JsonT is a
+    profile of Javascript; this module uses JavaScript::SpiderMonkey for
+    Javascript support.
+
+    This module provides a similar API to XML::Saxon::XSLT2.
+
+Constructor
+    "JSON::T->new($code, $name)"
+        Constructs a new JSON::T transformation. $code is the JsonT
+        Javascript code. As a JsonT file can contain multiple (potentially
+        unrelated) transformations, the name of the particular
+        transformation you want to use should also be provided. If $name is
+        omitted, then the name "_main" is assumed.
+
+Methods
+    "parameters(param1=>$arg1, param2=>$arg2, ...)"
+        Sets global variables available to the Javascript code. All
+        arguments are treated as strings.
+
+    "transform($input)"
+        Run the transformation. The input may be a JSON string, or a native
+        Perl nested arrayref/hashref structure, in which case it will be
+        stringified using the JSON module's to_json function. The output
+        (return value) will be a string.
+
+    "transform_structure($input)"
+        Like "transform", but attempts to parse the output as a JSON string
+        and return a native Perl arrayref/hashref structure. This method
+        will fail if the output is not a JSON string.
+
+Javascript Execution Environment
+    JSON::T is a profile of Javascript. This module runs scripts via
+    JavaScript::SpiderMonkey. As this is not a browser environment, many
+    global objects familiar to browser Javascript developers are not
+    available.
+
+    A single global object called "JSON" is provided with methods
+    "stringify" and "parse" compatible with the well-known json2.js library
+    (<http://www.JSON.org/json2.js>), and a method "transform(obj,jsont)"
+    that provides a Javascript JsonT implementation.
+
+    A function "print_to_perl" is provided which prints to Perl's STDOUT
+    stream.
+
+BUGS
+    Please report any bugs to <http://rt.cpan.org/>.
+
+SEE ALSO
+    Specification: <http://goessner.net/articles/jsont/>.
+
+    Related modules: JSON, JSON::Path, JSON::GRDDL.
+
+    Requires: JSON, JavaScript::SpiderMonkey.
+
+AUTHOR
+    Toby Inkster <tobyink@cpan.org>.
+
+    This module is embeds Stefan Goessner's Javascript implementation of
+    JsonT (version 0.9) to do the heavy lifting.
+
+COPYRIGHT AND LICENCE
+    Copyright 2006 Stefan Goessner.
+
+    Copyright 2008-2010 Toby Inkster.
+
+    Licensed under the Lesser GPL:
+    <http://creativecommons.org/licenses/LGPL/2.1/>.
+
+use 5.010;
+use lib "lib";
+use Data::Dumper;
+use JSON;
+use JSON::T;
+
+my $json = <<'JSON';
+{
+	"$transformation" : "http://buzzword.org.uk/2008/jsonGRDDL/jsont-sample#Person" ,
+	"name" : "Joe Bloggs" ,
+	"mbox" : "joe@example.net" 
+}
+JSON
+
+my $jsont = <<'JSONT';
+var People =
+{
+	"self" : function(x)
+	{
+		var rv = {};
+		for (var i=0; x.people[i]; i++)
+		{
+			var person = JSON.parse(Person.self(x.people[i]));
+			rv["_:Contact" + i] = person["_:Contact"];
+		}
+		return JSON.stringify(rv, 0, 2);
+	}
+};
+
+var Person =
+{
+	"self" : function(x)
+	{
+		var rv =
+		{
+			"_:Contact" :
+			{
+				"http://www.w3.org/1999/02/22-rdf-syntax-ns#type" :
+				[{
+					"type" : "uri" ,
+					"value" : "http://xmlns.com/foaf/0.1/Person"
+				}],
+				"http://xmlns.com/foaf/0.1/name" :
+				[{
+					"type" : "literal" ,
+					"value" : x.name
+				}],
+				"http://xmlns.com/foaf/0.1/mbox" :
+				[{
+					"type" : "uri" ,
+					"value" : "mailto:" + x.mbox
+				}]
+			}
+		};
+		return JSON.stringify(rv, 0, 2);
+	}
+};
+
+var _main = Person;
+JSONT
+
+my $T = JSON::T->new($jsont);
+say Dumper($T->transform_structure($json));
+package JSON::T;
+
+use common::sense;
+use overload '""' => \&to_string;
+
+use JavaScript::SpiderMonkey;
+use JSON;
+
+our $JSLIB;
+our $VERSION = '0.090_00';
+
+sub new
+{
+	my ($class, $transformation_code, $transformation_name) = @_;
+
+	$transformation_name ||= '_main';
+
+	unless ($JSLIB)
+	{
+		local $/ = undef;
+		$JSLIB = <DATA>;
+	}
+
+	my $JS = JavaScript::SpiderMonkey->new();
+	my $self = bless {
+		code           => $transformation_code ,
+		name           => $transformation_name ,
+		engine         => $JS ,
+		output         => undef ,
+		messages       => [],
+		}, $class;
+
+	$JS->init;
+	$JS->function_set("return_to_perl", sub
+		{
+			my $v = shift;
+			$self->{'output'} = $v;
+		});
+	$JS->function_set("print_to_perl", sub
+		{
+			print @_;
+		});
+
+	my $rv1 = $JS->eval($JSLIB);
+	my $rv2 = $JS->eval($transformation_code);
+	
+	return $self;
+}
+
+sub to_string
+{
+	my ($self) = @_;
+	return $self->{'transformation'};
+}
+
+sub parameters
+{
+	my ($self, %args) = @_;
+	while (my ($k,$v) = each %args)
+	{
+		if (ref $v eq 'ARRAY')
+		{
+			$v = $v->[1];
+		}
+		$self->{'engine'}->property_by_path($k, "$v");
+	}
+}
+
+sub transform
+{
+	my ($self, $input) = @_;
+	
+	if (ref $input)
+	{
+		$input = to_json($self);
+	}
+	
+	my $name = $self->{'name'};
+	my $rv1  = $self->{'engine'}->eval("return_to_perl(JSON.transform($input, $name));");
+
+	return $self->{'output'};
+}
+
+sub transform_structure
+{
+	my ($self, $input) = @_;
+	my $output = $self->transform($input);
+	return from_json($output);
+}
+*transform_document = \&transform_structure;
+
+# none of this is useful, but provided for XML::Saxon::XSLT2 compat.
+sub messages
+{
+	return;
+}
+sub media_type
+{
+	my ($self, $default) = @_;
+	return $default;
+}
+*version        = \&media_type;
+*doctype_system = \&media_type;
+*doctype_public = \&media_type;
+*encoding       = \&media_type;
+
+1;
+
+=head1 NAME
+
+JSON::T - transform JSON using JsonT
+
+=head1 SYNOPSIS
+
+ my $jsont = slurp('foo/bar.js');
+ my $input = slurp('foo/quux.json');
+ my $JSONT = JSON::T->new($jsont);
+ print $JSONT->transform($input);
+
+=head1 DESCRIPTION
+
+This module implements JsonT, a language for transforming JSON-like
+structures, analogous to XSLT in the XML world.
+
+JsonT is described at L<http://goessner.net/articles/jsont/>. JsonT is
+a profile of Javascript; this module uses L<JavaScript::SpiderMonkey>
+for Javascript support.
+
+This module provides a similar API to L<XML::Saxon::XSLT2>.
+
+=head1 Constructor
+
+=over 4
+
+=item C<< JSON::T->new($code, $name) >>
+
+Constructs a new JSON::T transformation. $code is the JsonT Javascript
+code. As a JsonT file can contain multiple (potentially unrelated)
+transformations, the name of the particular transformation you want to
+use should also be provided. If $name is omitted, then the name "_main"
+is assumed.
+
+=back
+
+=head1 Methods
+
+=over 4
+
+=item C<< parameters(param1=>$arg1, param2=>$arg2, ...) >>
+
+Sets global variables available to the Javascript code. All arguments
+are treated as strings.
+
+=item C<< transform($input) >>
+
+Run the transformation. The input may be a JSON string, or a native Perl
+nested arrayref/hashref structure, in which case it will be stringified
+using the JSON module's to_json function. The output (return value) will
+be a string.
+
+=item C<< transform_structure($input) >>
+
+Like C<transform>, but attempts to parse the output as a JSON string and
+return a native Perl arrayref/hashref structure. This method will fail
+if the output is not a JSON string.
+
+=back
+
+=head1 Javascript Execution Environment
+
+JSON::T is a profile of Javascript. This module runs scripts via
+L<JavaScript::SpiderMonkey>. As this is not a browser environment,
+many global objects familiar to browser Javascript developers are
+not available.
+
+A single global object called "JSON" is provided with methods
+C<stringify> and C<parse> compatible with the well-known json2.js
+library (L<http://www.JSON.org/json2.js>), and a method
+C<transform(obj,jsont)> that provides a Javascript JsonT
+implementation.
+
+A function C<print_to_perl> is provided which prints to Perl's
+STDOUT stream.
+
+=head1 BUGS
+
+Please report any bugs to L<http://rt.cpan.org/>.
+
+=head1 SEE ALSO
+
+Specification: L<http://goessner.net/articles/jsont/>.
+
+Related modules: L<JSON>, L<JSON::Path>, L<JSON::GRDDL>.
+
+Requires: L<JSON>, L<JavaScript::SpiderMonkey>.
+
+=head1 AUTHOR
+
+Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
+
+This module is embeds Stefan Goessner's Javascript implementation of
+JsonT (version 0.9) to do the heavy lifting.
+
+=head1 COPYRIGHT AND LICENCE
+
+Copyright 2006 Stefan Goessner.
+
+Copyright 2008-2010 Toby Inkster.
+
+Licensed under the Lesser GPL:
+<http://creativecommons.org/licenses/LGPL/2.1/>.
+
+=cut
+
+# Here's the Javascript...
+
+__DATA__
+
+/*
+    http://www.JSON.org/json2.js
+    2008-11-19
+
+    Public Domain.
+
+    NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
+
+    See http://www.JSON.org/js.html
+
+    This file creates a global JSON object containing two methods: stringify
+    and parse.
+
+        JSON.stringify(value, replacer, space)
+            value       any JavaScript value, usually an object or array.
+
+            replacer    an optional parameter that determines how object
+                        values are stringified for objects. It can be a
+                        function or an array of strings.
+
+            space       an optional parameter that specifies the indentation
+                        of nested structures. If it is omitted, the text will
+                        be packed without extra whitespace. If it is a number,
+                        it will specify the number of spaces to indent at each
+                        level. If it is a string (such as '\t' or '&nbsp;'),
+                        it contains the characters used to indent at each level.
+
+            This method produces a JSON text from a JavaScript value.
+
+            When an object value is found, if the object contains a toJSON
+            method, its toJSON method will be called and the result will be
+            stringified. A toJSON method does not serialize: it returns the
+            value represented by the name/value pair that should be serialized,
+            or undefined if nothing should be serialized. The toJSON method
+            will be passed the key associated with the value, and this will be
+            bound to the object holding the key.
+
+            For example, this would serialize Dates as ISO strings.
+
+                Date.prototype.toJSON = function (key) {
+                    function f(n) {
+                        // Format integers to have at least two digits.
+                        return n < 10 ? '0' + n : n;
+                    }
+
+                    return this.getUTCFullYear()   + '-' +
+                         f(this.getUTCMonth() + 1) + '-' +
+                         f(this.getUTCDate())      + 'T' +
+                         f(this.getUTCHours())     + ':' +
+                         f(this.getUTCMinutes())   + ':' +
+                         f(this.getUTCSeconds())   + 'Z';
+                };
+
+            You can provide an optional replacer method. It will be passed the
+            key and value of each member, with this bound to the containing
+            object. The value that is returned from your method will be
+            serialized. If your method returns undefined, then the member will
+            be excluded from the serialization.
+
+            If the replacer parameter is an array of strings, then it will be
+            used to select the members to be serialized. It filters the results
+            such that only members with keys listed in the replacer array are
+            stringified.
+
+            Values that do not have JSON representations, such as undefined or
+            functions, will not be serialized. Such values in objects will be
+            dropped; in arrays they will be replaced with null. You can use
+            a replacer function to replace those with JSON values.
+            JSON.stringify(undefined) returns undefined.
+
+            The optional space parameter produces a stringification of the
+            value that is filled with line breaks and indentation to make it
+            easier to read.
+
+            If the space parameter is a non-empty string, then that string will
+            be used for indentation. If the space parameter is a number, then
+            the indentation will be that many spaces.
+
+            Example:
+
+            text = JSON.stringify(['e', {pluribus: 'unum'}]);
+            // text is '["e",{"pluribus":"unum"}]'
+
+
+            text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
+            // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
+
+            text = JSON.stringify([new Date()], function (key, value) {
+                return this[key] instanceof Date ?
+                    'Date(' + this[key] + ')' : value;
+            });
+            // text is '["Date(---current time---)"]'
+
+
+        JSON.parse(text, reviver)
+            This method parses a JSON text to produce an object or array.
+            It can throw a SyntaxError exception.
+
+            The optional reviver parameter is a function that can filter and
+            transform the results. It receives each of the keys and values,
+            and its return value is used instead of the original value.
+            If it returns what it received, then the structure is not modified.
+            If it returns undefined then the member is deleted.
+
+            Example:
+
+            // Parse the text. Values that look like ISO date strings will
+            // be converted to Date objects.
+
+            myData = JSON.parse(text, function (key, value) {
+                var a;
+                if (typeof value === 'string') {
+                    a =
+/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
+                    if (a) {
+                        return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
+                            +a[5], +a[6]));
+                    }
+                }
+                return value;
+            });
+
+            myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
+                var d;
+                if (typeof value === 'string' &&
+                        value.slice(0, 5) === 'Date(' &&
+                        value.slice(-1) === ')') {
+                    d = new Date(value.slice(5, -1));
+                    if (d) {
+                        return d;
+                    }
+                }
+                return value;
+            });
+
+
+    This is a reference implementation. You are free to copy, modify, or
+    redistribute.
+
+    This code should be minified before deployment.
+    See http://javascript.crockford.com/jsmin.html
+
+    USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
+    NOT CONTROL.
+*/
+
+/*jslint evil: true */
+
+/*global JSON */
+
+/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
+    call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
+    getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
+    lastIndex, length, parse, prototype, push, replace, slice, stringify,
+    test, toJSON, toString, valueOf
+*/
+
+// Create a JSON object only if one does not already exist. We create the
+// methods in a closure to avoid creating global variables.
+
+if (!this.JSON) {
+    JSON = {};
+}
+(function () {
+
+    function f(n) {
+        // Format integers to have at least two digits.
+        return n < 10 ? '0' + n : n;
+    }
+
+    if (typeof Date.prototype.toJSON !== 'function') {
+
+        Date.prototype.toJSON = function (key) {
+
+            return this.getUTCFullYear()   + '-' +
+                 f(this.getUTCMonth() + 1) + '-' +
+                 f(this.getUTCDate())      + 'T' +
+                 f(this.getUTCHours())     + ':' +
+                 f(this.getUTCMinutes())   + ':' +
+                 f(this.getUTCSeconds())   + 'Z';
+        };
+
+        String.prototype.toJSON =
+        Number.prototype.toJSON =
+        Boolean.prototype.toJSON = function (key) {
+            return this.valueOf();
+        };
+    }
+
+    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+        escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+        gap,
+        indent,
+        meta = {    // table of character substitutions
+            '\b': '\\b',
+            '\t': '\\t',
+            '\n': '\\n',
+            '\f': '\\f',
+            '\r': '\\r',
+            '"' : '\\"',
+            '\\': '\\\\'
+        },
+        rep;
+
+
+    function quote(string) {
+
+// If the string contains no control characters, no quote characters, and no
+// backslash characters, then we can safely slap some quotes around it.
+// Otherwise we must also replace the offending characters with safe escape
+// sequences.
+
+        escapable.lastIndex = 0;
+        return escapable.test(string) ?
+            '"' + string.replace(escapable, function (a) {
+                var c = meta[a];
+                return typeof c === 'string' ? c :
+                    '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+            }) + '"' :
+            '"' + string + '"';
+    }
+
+
+    function str(key, holder) {
+
+// Produce a string from holder[key].
+
+        var i,          // The loop counter.
+            k,          // The member key.
+            v,          // The member value.
+            length,
+            mind = gap,
+            partial,
+            value = holder[key];
+
+// If the value has a toJSON method, call it to obtain a replacement value.
+
+        if (value && typeof value === 'object' &&
+                typeof value.toJSON === 'function') {
+            value = value.toJSON(key);
+        }
+
+// If we were called with a replacer function, then call the replacer to
+// obtain a replacement value.
+
+        if (typeof rep === 'function') {
+            value = rep.call(holder, key, value);
+        }
+
+// What happens next depends on the value's type.
+
+        switch (typeof value) {
+        case 'string':
+            return quote(value);
+
+        case 'number':
+
+// JSON numbers must be finite. Encode non-finite numbers as null.
+
+            return isFinite(value) ? String(value) : 'null';
+
+        case 'boolean':
+        case 'null':
+
+// If the value is a boolean or null, convert it to a string. Note:
+// typeof null does not produce 'null'. The case is included here in
+// the remote chance that this gets fixed someday.
+
+            return String(value);
+
+// If the type is 'object', we might be dealing with an object or an array or
+// null.
+
+        case 'object':
+
+// Due to a specification blunder in ECMAScript, typeof null is 'object',
+// so watch out for that case.
+
+            if (!value) {
+                return 'null';
+            }
+
+// Make an array to hold the partial results of stringifying this object value.
+
+            gap += indent;
+            partial = [];
+
+// Is the value an array?
+
+            if (Object.prototype.toString.apply(value) === '[object Array]') {
+
+// The value is an array. Stringify every element. Use null as a placeholder
+// for non-JSON values.
+
+                length = value.length;
+                for (i = 0; i < length; i += 1) {
+                    partial[i] = str(i, value) || 'null';
+                }
+
+// Join all of the elements together, separated with commas, and wrap them in
+// brackets.
+
+                v = partial.length === 0 ? '[]' :
+                    gap ? '[\n' + gap +
+                            partial.join(',\n' + gap) + '\n' +
+                                mind + ']' :
+                          '[' + partial.join(',') + ']';
+                gap = mind;
+                return v;
+            }
+
+// If the replacer is an array, use it to select the members to be stringified.
+
+            if (rep && typeof rep === 'object') {
+                length = rep.length;
+                for (i = 0; i < length; i += 1) {
+                    k = rep[i];
+                    if (typeof k === 'string') {
+                        v = str(k, value);
+                        if (v) {
+                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
+                        }
+                    }
+                }
+            } else {
+
+// Otherwise, iterate through all of the keys in the object.
+
+                for (k in value) {
+                    if (Object.hasOwnProperty.call(value, k)) {
+                        v = str(k, value);
+                        if (v) {
+                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
+                        }
+                    }
+                }
+            }
+
+// Join all of the member texts together, separated with commas,
+// and wrap them in braces.
+
+            v = partial.length === 0 ? '{}' :
+                gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
+                        mind + '}' : '{' + partial.join(',') + '}';
+            gap = mind;
+            return v;
+        }
+    }
+
+// If the JSON object does not yet have a stringify method, give it one.
+
+    if (typeof JSON.stringify !== 'function') {
+        JSON.stringify = function (value, replacer, space) {
+
+// The stringify method takes a value and an optional replacer, and an optional
+// space parameter, and returns a JSON text. The replacer can be a function
+// that can replace values, or an array of strings that will select the keys.
+// A default replacer method can be provided. Use of the space parameter can
+// produce text that is more easily readable.
+
+            var i;
+            gap = '';
+            indent = '';
+
+// If the space parameter is a number, make an indent string containing that
+// many spaces.
+
+            if (typeof space === 'number') {
+                for (i = 0; i < space; i += 1) {
+                    indent += ' ';
+                }
+
+// If the space parameter is a string, it will be used as the indent string.
+
+            } else if (typeof space === 'string') {
+                indent = space;
+            }
+
+// If there is a replacer, it must be a function or an array.
+// Otherwise, throw an error.
+
+            rep = replacer;
+            if (replacer && typeof replacer !== 'function' &&
+                    (typeof replacer !== 'object' ||
+                     typeof replacer.length !== 'number')) {
+                throw new Error('JSON.stringify');
+            }
+
+// Make a fake root object containing our value under the key of ''.
+// Return the result of stringifying the value.
+
+            return str('', {'': value});
+        };
+    }
+
+
+// If the JSON object does not yet have a parse method, give it one.
+
+    if (typeof JSON.parse !== 'function') {
+        JSON.parse = function (text, reviver) {
+
+// The parse method takes a text and an optional reviver function, and returns
+// a JavaScript value if the text is a valid JSON text.
+
+            var j;
+
+            function walk(holder, key) {
+
+// The walk method is used to recursively walk the resulting structure so
+// that modifications can be made.
+
+                var k, v, value = holder[key];
+                if (value && typeof value === 'object') {
+                    for (k in value) {
+                        if (Object.hasOwnProperty.call(value, k)) {
+                            v = walk(value, k);
+                            if (v !== undefined) {
+                                value[k] = v;
+                            } else {
+                                delete value[k];
+                            }
+                        }
+                    }
+                }
+                return reviver.call(holder, key, value);
+            }
+
+
+// Parsing happens in four stages. In the first stage, we replace certain
+// Unicode characters with escape sequences. JavaScript handles many characters
+// incorrectly, either silently deleting them, or treating them as line endings.
+
+            cx.lastIndex = 0;
+            if (cx.test(text)) {
+                text = text.replace(cx, function (a) {
+                    return '\\u' +
+                        ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+                });
+            }
+
+// In the second stage, we run the text against regular expressions that look
+// for non-JSON patterns. We are especially concerned with '()' and 'new'
+// because they can cause invocation, and '=' because it can cause mutation.
+// But just to be safe, we want to reject all unexpected forms.
+
+// We split the second stage into 4 regexp operations in order to work around
+// crippling inefficiencies in IE's and Safari's regexp engines. First we
+// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
+// replace all simple value tokens with ']' characters. Third, we delete all
+// open brackets that follow a colon or comma or that begin the text. Finally,
+// we look to see that the remaining characters are only whitespace or ']' or
+// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
+
+            if (/^[\],:{}\s]*$/.
+test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
+replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
+replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
+
+// In the third stage we use the eval function to compile the text into a
+// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
+// in JavaScript: it can begin a block or an object literal. We wrap the text
+// in parens to eliminate the ambiguity.
+
+                j = eval('(' + text + ')');
+
+// In the optional fourth stage, we recursively walk the new structure, passing
+// each name/value pair to a reviver function for possible transformation.
+
+                return typeof reviver === 'function' ?
+                    walk({'': j}, '') : j;
+            }
+
+// If the text is not JSON parseable, then a SyntaxError is thrown.
+
+            throw new SyntaxError('JSON.parse');
+        };
+    }
+})();
+
+
+
+
+/*	This work is licensed under Creative Commons GNU LGPL License.
+
+	License: http://creativecommons.org/licenses/LGPL/2.1/
+	Version: 0.9
+	Author:  Stefan Goessner/2006
+	Web:	   http://goessner.net/ 
+	
+	Small changes by Toby Inkster.
+*/
+
+if (typeof JSON.transform !== 'function')
+{
+	JSON.transform = function (self, rules) {
+		var T = {
+			output: false,
+			init: function() {
+				for (var rule in rules)
+					if (rule.substr(0,4) != "self")
+						rules["self."+rule] = rules[rule];
+				return this;
+			},
+			apply: function(expr) {
+				var trf = function(s){ return s.replace(/{([A-Za-z0-9_\$\.\[\]\'@\(\)]+)}/g, 
+												 function($0,$1){return T.processArg($1, expr);})},
+					 x = expr.replace(/\[[0-9]+\]/g, "[*]"), res;
+				if (x in rules) {
+					if (typeof(rules[x]) == "string")
+						res = trf(rules[x]);
+					else if (typeof(rules[x]) == "function")
+						res = trf(rules[x](eval(expr)).toString());
+				}
+				else 
+					res = T.eval(expr);
+				return res;
+			},
+			processArg: function(arg, parentExpr) {
+				var expand = function(a,e){return (e=a.replace(/^\$/,e)).substr(0,4)!="self" ? ("self."+e) : e; },
+					 res = "";
+				T.output = true;
+				if (arg.charAt(0) == "@")
+					res = eval(arg.replace(/@([A-za-z0-9_]+)\(([A-Za-z0-9_\$\.\[\]\']+)\)/, 
+												  function($0,$1,$2){return "rules['self."+$1+"']("+expand($2,parentExpr)+")";}));
+				else if (arg != "$")
+					res = T.apply(expand(arg, parentExpr));
+				else
+					res = T.eval(parentExpr);
+				T.output = false;
+				return res;
+			},
+			eval: function(expr) {
+				var v = eval(expr), res = "";
+				if (typeof(v) != "undefined") {
+					if (v instanceof Array) {
+						for (var i=0; i<v.length; i++)
+							if (typeof(v[i]) != "undefined")
+								res += T.apply(expr+"["+i+"]");
+					}
+					else if (typeof(v) == "object") {
+						for (var m in v)
+							if (typeof(v[m]) != "undefined")
+								res += T.apply(expr+"."+m);
+					}
+					else if (T.output)
+						res += v;
+				}
+				return res;
+			}
+		};
+		return T.init().apply("self");
+	}
+}
+use lib 'inc';
+use Test::More tests => 1;
+use Test::Signature;
+signature_ok();
+use Test::More tests => 3;
+BEGIN { use_ok('JSON::T') };
+
+my $json = <<'JSON';
+{
+	"$transformation" : "http://buzzword.org.uk/2008/jsonGRDDL/jsont-sample#Person" ,
+	"name" : "Joe Bloggs" ,
+	"mbox" : "joe@example.net" 
+}
+JSON
+
+my $jsont = <<'JSONT';
+var People =
+{
+	"self" : function(x)
+	{
+		var rv = {};
+		for (var i=0; x.people[i]; i++)
+		{
+			var person = JSON.parse(Person.self(x.people[i]));
+			rv["_:Contact" + i] = person["_:Contact"];
+		}
+		return JSON.stringify(rv, 0, 2);
+	}
+};
+
+var Person =
+{
+	"self" : function(x)
+	{
+		var rv =
+		{
+			"_:Contact" :
+			{
+				"http://www.w3.org/1999/02/22-rdf-syntax-ns#type" :
+				[{
+					"type" : "uri" ,
+					"value" : "http://xmlns.com/foaf/0.1/Person"
+				}],
+				"http://xmlns.com/foaf/0.1/name" :
+				[{
+					"type" : "literal" ,
+					"value" : x.name
+				}],
+				"http://xmlns.com/foaf/0.1/mbox" :
+				[{
+					"type" : "uri" ,
+					"value" : "mailto:" + x.mbox
+				}]
+			}
+		};
+		return JSON.stringify(rv, 0, 2);
+	}
+};
+
+var _main = Person;
+JSONT
+
+my $T = JSON::T->new($jsont);
+my $R = $T->transform_structure($json);
+
+ok($R, 'returned something that smelt like JSON');
+is($R->{'_:Contact'}->{'http://www.w3.org/1999/02/22-rdf-syntax-ns#type'}->[0]->{'type'},
+	'uri', 'returned data seems sound');
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