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Mario Fetka 2018-03-27 21:25:33 +02:00
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Revision history for Perl module JSON::Tiny
0.58 2017-11-12
- Version bump to fix inconsistency in version number.
0.57 2017-11-11
- Resolved https://rt.cpan.org/Public/Bug/Display.html?id=122139 via
https://github.com/daoswald/JSON-Tiny/pull/4
0.56 2016-05-18
- Removed B as a tested dependency.
0.55 2016-04-25
- Canonical object encoding.
0.54 2015-10-27
- Fixed loss of large integer precision.
0.53 2015-01-25
- Minor POD and code tweaks.
0.52 2015-01-25
- Remove deprecated object-oriented API.
0.51 2015-01-25
- Document '/' escaping.
- Add from_json and to_json functions.
- Deprecate Object-Oriented API.
- Improved Boolean tests.
0.50 2014-08-05
- Whitespace parsing simplification/optimization.
0.49 2014-05-18
- Fix regression: $j->encode({a=>undef}) threw exception.
0.48 2014-05-17
- Mini-optimization in number detection code.
0.47 2014-05-13
- Number detection heuristics better match user expectations.
0.46 2014-03-06
- POD revisions.
- Tighten 'examples/', &error, tests.
0.45 2014-03-05
- Streamline POD.
0.44 2014-03-05
- Established RFC7159 compliance.
- De-deprecate &j: document limitations.
0.43 2014-03-03
- Slim the dist.
- Deprecate &j: Ambiguities with RFC7159.
0.42 2014-02-20
- Document die on failure for &j.
- More tests.
- u007f isn't mentioned in RFC4627.
- Adapt Mojo::JSON updates.
- Eradicate //.
- Cleaner examples.
0.41 2014-02-19
- ADD decode_json and encode_json functions.
- Fix decoding error.
- Handle encoding errors better.
- Fix line numbers in error messages.
- Test all decoding errors.
0.40 2014-01-16
- Mini-optimization: &encode.
- Linkify RFC mention in POD.
- Fixed bug with PREREQ_PM hashref.
0.39 2013-12-04
- POD refinements.
0.38 2013-12-03
- ACKNOWLEDGEMENTS recognize chansen's GitHub Gist: Mojo::JSON's birth.
0.37 2013-11-21
- Removed minimum dependency version checks in Makefile.PL.
- POD: JSON::Tiny is not relaxed.
0.36 2013-11-08
- Special char \b (was \x07) correctly associated with 0x08.
- Tests for 0x07=>0x08.
0.35 2013-10-16
- References to a scalar (even blessed) encode as Boolean.
0.34 2013-10-15
- Added t/22-bool.t to test Boolean override.
- Documented Boolean override.
0.33 2013-10-15
- Change 'my $TRUE', 'my $FALSE' to 'our': users can override
Booleans. http://perlmonks.org/?node_id=1058232
- Added META: Git repo, Meta spec versn.
0.32 2013-06-22
- &j dies on non-parsable JSON.
- Performance tweaks.
- Document: Perl 5.8.9 or older may segfault decoding JSON strings >22k.
0.31 2013-06-19
- Document Exporter dependency for Perl <5.8.4.
0.30 2013-06-19
- Push minimum Perl version back to 5.8.4, was 5.10. (tye)
- Document INCOMPATIBILITIES: upgrade Exporter to facilitate running under
Perl <5.8.4.
0.29 2013-06-18
- Added tests for empty keys.
- Revised UTF patterns.
0.28 2013-05-31
- Tests for "inf" and "nan" made portable. RT# 85775.
0.27 2013-05-15
- Encode "inf" and "nan" values as strings.
0.26 2013-05-13
- Change heuristics for number detection: better match user expectations.
0.25 2012-03-05
- Add test "Decode object with duplicate keys".
0.24 2012-03-01
- POD tweaks.
0.23 2013-02-27
- Add &j, and Exporter dependency.
- POD tweaks, incl. documentation for &j.
- &j tests.
0.22 2012-11-02
- Enable lexical warnings in Tiny.pm.
- Silence unwanted Perl Critiques.
- "Changes" W3CDTF compliance.
0.21 2012-10-27
- Add boolean shortcut support to JSON::Tiny.
- Fix context bugs.
0.20 2012-10-04
- Bump to version number .20: avoid confusion with like-named Perl6 module.
- POD tweaks.
- Drop ref($class)||$class; from c'tor.
0.01 2012-10-03
- JSON::Tiny adapts Mojo::JSON.
- t/20-mojo-json.t adapts Mojolicious/t/mojo/json.t
- Mojolicious dependencies purged.
- Artistic 2.0 license, as Mojolicious.

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The Artistic License 2.0
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Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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This license establishes the terms under which a given free software
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(14) Disclaimer of Warranty:
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Changes
lib/JSON/Tiny.pm
lib/JSON/Tiny.pod
Makefile.PL
MANIFEST
MANIFEST.SKIP
README
LICENSE
META.json
META.yml
t/01-manifest.t
t/02-pod.t
t/03-pod-coverage.t
t/04-perlcritic.t
t/05-load-prereqs.t
t/09-changes.t
t/10-load-can.t
t/13-kwalitee.t
t/20-mojo-json.t
t/21-j-dies.t
t/22-bool.t
examples/json_pp.pl
examples/json_tiny.pl
examples/json_bench.pl
examples/sample.json

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^\.git
^Makefile$
^blib/
^MakeMaker-\d
\.tar\.gz
^JSON-Tiny-[\d._]+/
~$
\.old$
^#.*#$
^\.#
\.gz$
^MYMETA
pm_to_blib
cover
^JSON-Tiny$

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{
"abstract" : "Minimalistic JSON. No dependencies.",
"author" : [
"David Oswald <davido[at]cpan[dot]org>"
],
"dynamic_config" : 1,
"generated_by" : "ExtUtils::MakeMaker version 7.3, CPAN::Meta::Converter version 2.150010",
"license" : [
"artistic_2"
],
"meta-spec" : {
"url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
"version" : "2"
},
"name" : "JSON-Tiny",
"no_index" : {
"directory" : [
"t",
"inc"
]
},
"prereqs" : {
"build" : {
"requires" : {
"ExtUtils::MakeMaker" : "0"
}
},
"configure" : {
"requires" : {
"ExtUtils::MakeMaker" : "0"
}
},
"runtime" : {
"requires" : {
"perl" : "5.008000"
},
"suggests" : {
"JSON::PP" : "0"
}
}
},
"provides" : {
"JSON::Tiny" : {
"file" : "lib/JSON/Tiny.pm",
"version" : "0.58"
}
},
"release_status" : "stable",
"resources" : {
"license" : [
"http://www.perlfoundation.org/artistic_license_2_0"
],
"repository" : {
"type" : "git",
"url" : "https://github.com/daoswald/JSON-Tiny.git",
"web" : "https://github.com/daoswald/JSON-Tiny"
}
},
"version" : "0.58",
"x_serialization_backend" : "JSON::PP version 2.27400_02"
}

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---
abstract: 'Minimalistic JSON. No dependencies.'
author:
- 'David Oswald <davido[at]cpan[dot]org>'
build_requires:
ExtUtils::MakeMaker: '0'
configure_requires:
ExtUtils::MakeMaker: '0'
dynamic_config: 1
generated_by: 'ExtUtils::MakeMaker version 7.3, CPAN::Meta::Converter version 2.150010'
license: artistic_2
meta-spec:
url: http://module-build.sourceforge.net/META-spec-v1.4.html
version: '1.4'
name: JSON-Tiny
no_index:
directory:
- t
- inc
provides:
JSON::Tiny:
file: lib/JSON/Tiny.pm
version: '0.58'
requires:
perl: '5.008000'
resources:
license: http://www.perlfoundation.org/artistic_license_2_0
repository: https://github.com/daoswald/JSON-Tiny.git
version: '0.58'
x_serialization_backend: 'CPAN::Meta::YAML version 0.018'

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## no critic (RCS,VERSION,may require interpolation)
use 5.008000;
use strict;
use warnings;
use ExtUtils::MakeMaker;
my $PREREQ_PM = {};
$PREREQ_PM->{'Exporter'} = '5.59' if $] < 5.008004;
WriteMakefile(
NAME => 'JSON::Tiny',
AUTHOR => q{David Oswald <davido[at]cpan[dot]org>},
VERSION_FROM => 'lib/JSON/Tiny.pm',
ABSTRACT_FROM => 'lib/JSON/Tiny.pod',
LICENSE => 'artistic_2',
MIN_PERL_VERSION => '5.008000',
PL_FILES => {},
PREREQ_PM => $PREREQ_PM,
META_MERGE => {
'meta-spec' => { version => 2 },
resources => {
license => 'http://www.perlfoundation.org/artistic_license_2_0',
repository => {
type => 'git',
url => 'https://github.com/daoswald/JSON-Tiny.git',
web => 'https://github.com/daoswald/JSON-Tiny',
},
},
provides => {
'JSON::Tiny' => {
file => 'lib/JSON/Tiny.pm',
version => '0.58'
},
},
prereqs => {
runtime => {
requires => $PREREQ_PM,
suggests => {'JSON::PP' => '0'},
},
},
},
dist => { COMPRESS => 'gzip -9f', SUFFIX => 'gz' },
clean => { FILES => 'JSON-Tiny-*' },
);

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JSON::Tiny
Minimal JSON with no dependencies.
DESCRIPTION
Lightweight, fast, pure-Perl JSON in a stand-alone module with only core
dependencies.
INSTALLATION
To install this module, run the following commands:
perl Makefile.PL
make
make test
make install
DEPENDENCIES
Minimum recommended Perl version: 5.10.
SUPPORT AND DOCUMENTATION
Once installed, you may find documentation with the perldoc command.
perldoc JSON::Tiny
You may also look for information at:
RT, CPAN's request tracker (report bugs here)
http://rt.cpan.org/NoAuth/Bugs.html?Dist=JSON-Tiny
Search CPAN
http://search.cpan.org/dist/JSON-Tiny/
See the module's POD for additional info.
LICENSE AND COPYRIGHT
Copyright (C)2012-2014 David Oswald
This program is free software, you can redistribute it and/or modify it under
the terms of the Artistic License version 2.0.
See http://www.perlfoundation.org/artistic_license_2_0 for more information.

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BEGIN { $ENV{PERL_JSON_BACKEND}=0; }
use File::Slurp 'read_file';
use JSON;
use JSON::Tiny;
use Benchmark 'cmpthese';
my @json = split /-{4}/, read_file('sample.json');
sub json_pp {
my $j = JSON->new->relaxed;
[ map { $j->decode($_) } @json ];
}
sub json_tiny { [ map { JSON::Tiny::decode_json $_ } @json ]; }
cmpthese -15, { JSON_PP => \&json_pp, JSON_Tiny => \&json_tiny };

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BEGIN { $ENV{PERL_JSON_BACKEND} = 0; } # JSON::PP.
use JSON;
my @json
= split /-{4}/, do { open my $fh, '<sample.json'; local $/ = undef; <$fh> };
sub json_pp { my $j = JSON->new; [ map { $j->decode($_) } @json ]; }
my $value = json_pp;

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use JSON::Tiny 'j';
my @json
= split /-{4}/, do { open my $fh, '<sample.json'; local $/ = undef; <$fh> };
sub json_tiny { [ map { j $_ } @json ]; }
my $value = json_tiny;

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{"firstName":"John","lastName":"Smith","address":{"state":"NY","streetAddress":"21 2nd Street","city":"New York","postalCode":"10021"},"phoneNumber":[{"number":"212 555-1234","type":"home"},{"type":"fax","number":"646 555-4567"}],"age":25}
----
{"properties":{"price":{"type":"number","minimum":0,"required":true},"stock":{"type":"object","properties":{"retail":{"type":"number"},"warehouse":{"type":"number"}}},"tags":{"items":{"type":"string"},"type":"array"},"name":{"description":"Name of the product","type":"string","required":true},"id":{"required":true,"type":"number","description":"Product identifier"}},"name":"Product"}
----
{"price":123,"tags":["Bar","Eek"],"stock":{"warehouse":300,"retail":20},"id":1,"name":"Foo"}
----
{"web-app":{"taglib":{"taglib-uri":"cofax.tld","taglib-location":"\/WEB-INF\/tlds\/cofax.tld"},"servlet-mapping":{"fileServlet":"\/static\/*","cofaxAdmin":"\/admin\/*","cofaxTools":"\/tools\/*","cofaxEmail":"\/cofaxutil\/aemail\/*","cofaxCDS":"\/"},"servlet":[{"servlet-class":"org.cofax.cds.CDSServlet","init-param":{"dataStoreClass":"org.cofax.SqlDataStore","dataStoreUrl":"jdbc:microsoft:sqlserver:\/\/LOCALHOST:1433;DatabaseName=goon","redirectionClass":"org.cofax.SqlRedirection","dataStoreLogLevel":"debug","cachePagesTrack":200,"dataStoreInitConns":10,"configGlossary:poweredByIcon":"\/images\/cofax.gif","cachePackageTagsStore":200,"cachePackageTagsRefresh":60,"dataStoreConnUsageLimit":100,"cacheTemplatesTrack":100,"maxUrlLength":500,"dataStoreName":"cofax","searchEngineFileTemplate":"forSearchEngines.htm","searchEngineListTemplate":"forSearchEnginesList.htm","configGlossary:installationAt":"Philadelphia, PA","useJSP":false,"cachePagesRefresh":10,"templateProcessorClass":"org.cofax.WysiwygTemplate","cachePagesDirtyRead":10,"cacheTemplatesRefresh":15,"dataStoreLogFile":"\/usr\/local\/tomcat\/logs\/datastore.log","templateLoaderClass":"org.cofax.FilesTemplateLoader","jspFileTemplate":"articleTemplate.jsp","defaultFileTemplate":"articleTemplate.htm","searchEngineRobotsDb":"WEB-INF\/robots.db","templatePath":"templates","configGlossary:staticPath":"\/content\/static","dataStoreTestQuery":"SET NOCOUNT ON;select test='test';","dataStorePassword":"dataStoreTestQuery","cachePackageTagsTrack":200,"dataStoreUser":"sa","defaultListTemplate":"listTemplate.htm","templateOverridePath":"","dataStoreMaxConns":100,"dataStoreDriver":"com.microsoft.jdbc.sqlserver.SQLServerDriver","cachePagesStore":100,"configGlossary:adminEmail":"ksm@pobox.com","jspListTemplate":"listTemplate.jsp","configGlossary:poweredBy":"Cofax","cacheTemplatesStore":50,"useDataStore":true},"servlet-name":"cofaxCDS"},{"servlet-name":"cofaxEmail","init-param":{"mailHostOverride":"mail2","mailHost":"mail1"},"servlet-class":"org.cofax.cds.EmailServlet"},{"servlet-class":"org.cofax.cds.AdminServlet","servlet-name":"cofaxAdmin"},{"servlet-name":"fileServlet","servlet-class":"org.cofax.cds.FileServlet"},{"servlet-name":"cofaxTools","init-param":{"dataLogMaxSize":"","fileTransferFolder":"\/usr\/local\/tomcat\/webapps\/content\/fileTransferFolder","removePageCache":"\/content\/admin\/remove?cache=pages&id=","removeTemplateCache":"\/content\/admin\/remove?cache=templates&id=","log":1,"adminGroupID":4,"betaServer":true,"dataLogLocation":"\/usr\/local\/tomcat\/logs\/dataLog.log","lookInContext":1,"logMaxSize":"","templatePath":"toolstemplates\/","logLocation":"\/usr\/local\/tomcat\/logs\/CofaxTools.log","dataLog":1},"servlet-class":"org.cofax.cms.CofaxToolsServlet"}]}}

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package JSON::Tiny;
# Minimalistic JSON. Adapted from Mojo::JSON. (c)2012-2015 David Oswald
# License: Artistic 2.0 license.
# http://www.perlfoundation.org/artistic_license_2_0
use strict;
use warnings;
use Carp 'croak';
use Exporter 'import';
use Scalar::Util 'blessed';
use Encode ();
use B;
our $VERSION = '0.58';
our @EXPORT_OK = qw(decode_json encode_json false from_json j to_json true);
# Literal names
# Users may override Booleans with literal 0 or 1 if desired.
our($FALSE, $TRUE) = map { bless \(my $dummy = $_), 'JSON::Tiny::_Bool' } 0, 1;
# Escaped special character map with u2028 and u2029
my %ESCAPE = (
'"' => '"',
'\\' => '\\',
'/' => '/',
'b' => "\x08",
'f' => "\x0c",
'n' => "\x0a",
'r' => "\x0d",
't' => "\x09",
'u2028' => "\x{2028}",
'u2029' => "\x{2029}"
);
my %REVERSE = map { $ESCAPE{$_} => "\\$_" } keys %ESCAPE;
for(0x00 .. 0x1f) {
my $packed = pack 'C', $_;
$REVERSE{$packed} = sprintf '\u%.4X', $_ unless defined $REVERSE{$packed};
}
sub decode_json {
my $err = _decode(\my $value, shift);
return defined $err ? croak $err : $value;
}
sub encode_json { Encode::encode 'UTF-8', _encode_value(shift) }
sub false () {$FALSE} ## no critic (prototypes)
sub from_json {
my $err = _decode(\my $value, shift, 1);
return defined $err ? croak $err : $value;
}
sub j {
return encode_json $_[0] if ref $_[0] eq 'ARRAY' || ref $_[0] eq 'HASH';
return decode_json $_[0];
}
sub to_json { _encode_value(shift) }
sub true () {$TRUE} ## no critic (prototypes)
sub _decode {
my $valueref = shift;
eval {
# Missing input
die "Missing or empty input\n" unless length( local $_ = shift );
# UTF-8
$_ = eval { Encode::decode('UTF-8', $_, 1) } unless shift;
die "Input is not UTF-8 encoded\n" unless defined $_;
# Value
$$valueref = _decode_value();
# Leftover data
return m/\G[\x20\x09\x0a\x0d]*\z/gc || _throw('Unexpected data');
} ? return undef : chomp $@;
return $@;
}
sub _decode_array {
my @array;
until (m/\G[\x20\x09\x0a\x0d]*\]/gc) {
# Value
push @array, _decode_value();
# Separator
redo if m/\G[\x20\x09\x0a\x0d]*,/gc;
# End
last if m/\G[\x20\x09\x0a\x0d]*\]/gc;
# Invalid character
_throw('Expected comma or right square bracket while parsing array');
}
return \@array;
}
sub _decode_object {
my %hash;
until (m/\G[\x20\x09\x0a\x0d]*\}/gc) {
# Quote
m/\G[\x20\x09\x0a\x0d]*"/gc
or _throw('Expected string while parsing object');
# Key
my $key = _decode_string();
# Colon
m/\G[\x20\x09\x0a\x0d]*:/gc
or _throw('Expected colon while parsing object');
# Value
$hash{$key} = _decode_value();
# Separator
redo if m/\G[\x20\x09\x0a\x0d]*,/gc;
# End
last if m/\G[\x20\x09\x0a\x0d]*\}/gc;
# Invalid character
_throw('Expected comma or right curly bracket while parsing object');
}
return \%hash;
}
sub _decode_string {
my $pos = pos;
# Extract string with escaped characters
m!\G((?:(?:[^\x00-\x1f\\"]|\\(?:["\\/bfnrt]|u[0-9a-fA-F]{4})){0,32766})*)!gc; # segfault on 5.8.x in t/20-mojo-json.t
my $str = $1;
# Invalid character
unless (m/\G"/gc) {
_throw('Unexpected character or invalid escape while parsing string')
if m/\G[\x00-\x1f\\]/;
_throw('Unterminated string');
}
# Unescape popular characters
if (index($str, '\\u') < 0) {
$str =~ s!\\(["\\/bfnrt])!$ESCAPE{$1}!gs;
return $str;
}
# Unescape everything else
my $buffer = '';
while ($str =~ m/\G([^\\]*)\\(?:([^u])|u(.{4}))/gc) {
$buffer .= $1;
# Popular character
if ($2) { $buffer .= $ESCAPE{$2} }
# Escaped
else {
my $ord = hex $3;
# Surrogate pair
if (($ord & 0xf800) == 0xd800) {
# High surrogate
($ord & 0xfc00) == 0xd800
or pos($_) = $pos + pos($str), _throw('Missing high-surrogate');
# Low surrogate
$str =~ m/\G\\u([Dd][C-Fc-f]..)/gc
or pos($_) = $pos + pos($str), _throw('Missing low-surrogate');
$ord = 0x10000 + ($ord - 0xd800) * 0x400 + (hex($1) - 0xdc00);
}
# Character
$buffer .= pack 'U', $ord;
}
}
# The rest
return $buffer . substr $str, pos $str, length $str;
}
sub _decode_value {
# Leading whitespace
m/\G[\x20\x09\x0a\x0d]*/gc;
# String
return _decode_string() if m/\G"/gc;
# Object
return _decode_object() if m/\G\{/gc;
# Array
return _decode_array() if m/\G\[/gc;
# Number
my ($i) = /\G([-]?(?:0|[1-9][0-9]*)(?:\.[0-9]*)?(?:[eE][+-]?[0-9]+)?)/gc;
return 0 + $i if defined $i;
# True
return $TRUE if m/\Gtrue/gc;
# False
return $FALSE if m/\Gfalse/gc;
# Null
return undef if m/\Gnull/gc; ## no critic (return)
# Invalid character
_throw('Expected string, array, object, number, boolean or null');
}
sub _encode_array {
'[' . join(',', map { _encode_value($_) } @{$_[0]}) . ']';
}
sub _encode_object {
my $object = shift;
my @pairs = map { _encode_string($_) . ':' . _encode_value($object->{$_}) }
sort keys %$object;
return '{' . join(',', @pairs) . '}';
}
sub _encode_string {
my $str = shift;
$str =~ s!([\x00-\x1f\x{2028}\x{2029}\\"/])!$REVERSE{$1}!gs;
return "\"$str\"";
}
sub _encode_value {
my $value = shift;
# Reference
if (my $ref = ref $value) {
# Object
return _encode_object($value) if $ref eq 'HASH';
# Array
return _encode_array($value) if $ref eq 'ARRAY';
# True or false
return $$value ? 'true' : 'false' if $ref eq 'SCALAR';
return $value ? 'true' : 'false' if $ref eq 'JSON::Tiny::_Bool';
# Blessed reference with TO_JSON method
if (blessed $value && (my $sub = $value->can('TO_JSON'))) {
return _encode_value($value->$sub);
}
}
# Null
return 'null' unless defined $value;
# Number (bitwise operators change behavior based on the internal value type)
return $value
if B::svref_2object(\$value)->FLAGS & (B::SVp_IOK | B::SVp_NOK)
# filter out "upgraded" strings whose numeric form doesn't strictly match
&& 0 + $value eq $value
# filter out inf and nan
&& $value * 0 == 0;
# String
return _encode_string($value);
}
sub _throw {
# Leading whitespace
m/\G[\x20\x09\x0a\x0d]*/gc;
# Context
my $context = 'Malformed JSON: ' . shift;
if (m/\G\z/gc) { $context .= ' before end of data' }
else {
my @lines = split "\n", substr($_, 0, pos);
$context .= ' at line ' . @lines . ', offset ' . length(pop @lines || '');
}
die "$context\n";
}
# Emulate boolean type
package JSON::Tiny::_Bool;
use overload '""' => sub { ${$_[0]} }, fallback => 1;
1;

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=pod
=encoding utf8
=head1 NAME
JSON::Tiny - Minimalistic JSON. No dependencies.
=head1 SYNOPSIS
use JSON::Tiny qw(decode_json encode_json);
my $bytes = encode_json {foo => [1, 2], bar => 'hello!', baz => \1};
my $hash = decode_json $bytes;
=head1 DESCRIPTION
L<JSON::Tiny> is a minimalistic standalone adaptation of L<Mojo::JSON>, from
the L<Mojolicious> framework. It is a single-source-file module with under 300
lines of code and core-only dependencies.
Features include transparent Unicode support, speed, small memory footprint,
and a minimal code base ideal for bundling or inlining. Along with
L<Mojo::JSON>, it is among the fastest pure-Perl implementations of
L<RFC 7159|http://tools.ietf.org/html/rfc7159>.
L<JSON::Tiny> supports normal Perl data types like scalar, array reference,
hash reference, and will try to call the L<TO_JSON> method on blessed
references, or stringify them if it doesn't exist.
Differentiating between strings and numbers in Perl is hard; depending on how
it has been used, a scalar can be both at the same time. The string value has a
higher precedence unless both representations are equivalent.
[1, -2, 3] -> [1, -2, 3]
{"foo": "bar"} -> {foo => 'bar'}
Literal names will be translated to and from L<JSON::Tiny> constants or a
similar native Perl value.
true -> JSON::Tiny->true
false -> JSON::Tiny->false
null -> undef
Scalar references will be used to generate Booleans, based on if their values
are true or false.
\1 => true
\0 => false
The two Unicode whitespace characters C<u2028> and C<u2029> will always be
escaped to make JSONP easier, and the character C</> to prevent XSS attacks.
=head1 FUNCTIONS
L<JSON::Tiny> implements the following functions, which can be imported
individually.
=head2 decode_json
my $value = decode_json $bytes;
Decode JSON to Perl value and die if decoding fails.
=head2 encode_json
my $bytes = encode_json {foo => 'bar'};
Encode Perl value to JSON.
=head2 false
my $false = false;
False value, used because Perl has no equivalent.
=head2 from_json
my $value = from_json $chars;
Decode JSON text that is not C<UTF-8> encoded to Perl value and die if
decoding fails.
=head2 j
my $bytes = j [1, 2, 3];
my $bytes = j {foo => 'bar'};
my $value = j $bytes;
Encode Perl data structure (which may only be an array reference or hash
reference) or decode JSON. An C<undef> return value indicates a bare C<null>.
Dies if decoding fails.
=head2 to_json
my $chars = to_json {i => '♥ Perl'};
Encode Perl value to JSON text without C<UTF-8> encoding it.
=head2 true
my $true = true;
True value, used because Perl has no native equivalent.
=head3 More on Booleans
A reference to a scalar (even if blessed) is encoded as a Boolean value unless
it has a TO_JSON method.
my $json = $j->encode( { b => \1, a => \0 } ); # {"b":true,"a":false}
Boolean false and true values returned when JSON is decoded are
JSON::Tiny::_Bool objects with overloaded stringification.
B<Advanced option>: Users requiring a plain old literal C<0> or C<1>, may set
C<$JSON::Tiny::FALSE = 0;> and C<$JSON::Tiny::TRUE = 1;>. Any value, including
blessed references will work. This must be set prior to calling a JSON decoding
function. Use C<local> to limit scope.
=head1 Tiny
JSON::Tiny compared with JSON::PP from the L<JSON> distribution:
=over 4
=item * L<JSON::PP> is configurable, but more complex. L<JSON::Tiny> offers
sane defaults, and no configuration.
=item * Download and install with C<cpanm>: L<JSON::PP>, 5.2 seconds.
L<JSON::Tiny>, 1.9 seconds.
=item * Minimal Dependencies: Both L<JSON::PP> and L<JSON::Tiny> only use core
dependencies. JSON::Tiny requires Perl 5.8.4, while L<JSON::PP> requires 5.6.
=item * Simple Design: L<JSON> has 2254 lines of code, six modules and five
files. Distribution: 85KB.
L<JSON::Tiny> has under 300 lines of code; an embeddable single-file module.
Distribution: 18KB.
=item * L<JSON::PP> has 42 functions and methods. L<JSON::Tiny> has seven.
=item * Performance:
Rate JSON_PP JSON_Tiny
JSON_PP 304/s -- -52%
JSON_Tiny 636/s 109% --
L<JSON> uses L<JSON::XS> if it's available, in which case L<JSON> wins.
See C<examples/json_bench.pl> for benchmark code.
JSON::Tiny's lightweight design reduces its startup time compared to the
L<JSON> module. This may benefit frequently run applications like CGI.
=item * Light Memory Needs: Memory usage was tested with
L<http://valgrind.org/valgrind> and L<Devel::MemoryTrace::Light> by running
C<examples/json_pp.pl> and C<examples/json_tiny.pl>.
valgrind Devel::MemoryTrace::Light
JSON::PP 5.1MB 3.7MB
JSON::Tiny 4.5MB 2.6MB
=back
=head1 CONFIGURATION AND ENVIRONMENT
No configuration.
=head1 DEPENDENCIES
Perl 5.8.4 or newer. B<Perl 5.10+ is recommended due to bugs in Perl 5.8's
regular expression engine.>
=head1 INCOMPATIBILITIES
Incompatible with L<Exporter> versions older than 5.59 (ie, predating Perl
5.8.4).
=head1 AUTHOR
David Oswald, C<< <davido at cpan.org> >>
Code and tests adapted from L<Mojo::JSON>.
=head1 SUPPORT
Direct support requests to the author. Direct bug reports to CPAN's Request
Tracker (RT).
You can find documentation for this module with the perldoc command.
perldoc JSON::Tiny
You may look for additional information at:
=over 4
=item * Github: Development is hosted on Github at:
L<http://www.github.com/daoswald/JSON-Tiny>
=item * RT: CPAN's request tracker (bug reports)
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=JSON-Tiny>
=item * AnnoCPAN: Annotated CPAN documentation
L<http://annocpan.org/dist/JSON-Tiny>
=item * CPAN Ratings
L<http://cpanratings.perl.org/d/JSON-Tiny>
=item * Search CPAN
L<http://search.cpan.org/dist/JSON-Tiny/>
=back
=head1 ACKNOWLEDGEMENTS
L<Mojolicious> team for its lightweight JSON implementation. This module was
adapted from L<Mojo::JSON> because it is robust, minimal, and well tested.
Mojo::JSON's tests were also adapted to a dependency-free design.
Christian Hansen, whos L<GitHub Gist|https://gist.github.com/chansen/810296>
formed the basis for L<Mojo::JSON>, and subsequently JSON::Tiny.
Randal Schwartz showed his pure-regexp JSON parser
(L<PerlMonks|http://perlmonks.org/?node_id=995856>) to Los Angeles Perl Mongers
(09/2012). He wasn't involved in JSON::Tiny, but exploring alternatives to his
solution led to this project.
=head1 LICENSE AND COPYRIGHT
Copyright 2012-2014 David Oswald.
This program is free software, you can redistribute it and/or modify it under
the terms of the Artistic License version 2.0.
See L<http://www.perlfoundation.org/artistic_license_2_0> for more information.
=head1 SEE ALSO
L<Mojo::JSON>, L<JSON>, L<RFC7159|http://tools.ietf.org/html/rfc7159>.
=cut

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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
plan skip_all => 'Author tests not required for installation.'
unless $ENV{RELEASE_TESTING};
eval "use Test::CheckManifest 0.9"; ## no critic (eval)
plan skip_all => "Test::CheckManifest 0.9 required" if $@;
ok_manifest();

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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
eval 'use Test::Pod 1.26'; ## no critic (eval)
plan skip_all => 'Test::Pod 1.26 required for this test' if $@;
all_pod_files_ok();

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use strict;
use warnings;
use Test::More;
if( $ENV{RELEASE_TESTING} ) {
eval 'use Test::Pod::Coverage 1.00'; ## no critic (eval)
if( $@ ) {
plan skip_all => 'Test::Pod::Coverage 1.00 required for this test.';
}
else { plan tests => 1; }
}
else { plan skip_all => 'Author Test: Set $ENV{RELEASE_TESTING} to run.'; }
pod_coverage_ok( 'JSON::Tiny', {also_private => [ qw/encode decode error new/ ]}
);

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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use English '-no_match_vars';
if ( not $ENV{RELEASE_TESTING} ) {
my $msg = 'Author Test: Set $ENV{RELEASE_TESTING} to run.';
plan skip_all => $msg;
}
eval { require Test::Perl::Critic; }; ## no critic (eval)
if ( $EVAL_ERROR ) {
my $msg = 'Author Test: Test::Perl::Critic required for critique.';
plan skip_all => $msg;
}
Test::Perl::Critic->import(-severity => 5);
my @directories = qw{ blib/ t/ };
Test::Perl::Critic::all_critic_ok(@directories);

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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More tests => 2;
sub msg { "*** $_[0] MUST BE INSTALLED BEFORE PROCEEDING ***\n"; }
BEGIN { use_ok $_ or BAIL_OUT msg $_ for qw/Scalar::Util Encode/; }

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use strict;
use warnings;
use Test::More;
plan skip_all => 'Author tests skipped. Set $ENV{RELEASE_TESTING} to run.'
unless $ENV{RELEASE_TESTING};
plan skip_all => 'Test::CPAN::Changes needed for this test.'
unless eval 'use Test::CPAN::Changes; 1;'; ## no critic (eval)
changes_ok();

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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More tests => 2;
BEGIN { use_ok 'JSON::Tiny' or BAIL_OUT(); }
diag "Testing JSON::Tiny $JSON::Tiny::VERSION, Perl $], $^X";
can_ok 'JSON::Tiny',
qw( decode_json encode_json false from_json j to_json true );

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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
if ( $ENV{RELEASE_TESTING} ) {
eval { require Test::Kwalitee; Test::Kwalitee->import }; ## no critic (eval)
plan skip_all => 'Test::Kwalitee not installed: skip' if $@;
unlink 'Debian_CPANTS.txt' if -e 'Debian_CPANTS.txt'; # Clean up.
}
else {
my $msg = 'Author Test: Set $ENV{RELEASE_TESTING} true to run.';
plan skip_all => $msg;
}

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package JSONTest; ## no critic (package)
use strict;
# Emulate Mojo::Base -base.
sub new {
my $c = shift;
bless @_ ? @_ > 1 ? {@_} : {%{$_[0]}} : {}, ref $c || $c;
}
sub foo {
my $s = shift;
$s->{foo} = shift if @_;
$s->{foo} = {} if ! defined $s->{foo};
return $s->{foo};
}
sub TO_JSON { shift->foo }
package main;
use strict;
use utf8;
use Encode qw( encode decode );
use Test::More;
use JSON::Tiny qw(decode_json encode_json false from_json j to_json true);
# Decode array
my $array = decode_json '[]';
is_deeply $array, [], 'decode []';
$array = decode_json '[ [ ]]';
is_deeply $array, [[]], 'decode [ [ ]]';
# Decode number
$array = decode_json '[0]';
is_deeply $array, [0], 'decode [0]';
$array = decode_json '[1]';
is_deeply $array, [1], 'decode [1]';
$array = decode_json '[ "-122.026020" ]';
is_deeply $array, ['-122.026020'], 'decode [ -122.026020 ]';
$array = decode_json '[ -122.026020 ]';
is_deeply $array, ['-122.02602'], 'decode [ -122.026020 ]';
$array = decode_json '[0.0]';
cmp_ok $array->[0], '==', 0, 'value is 0';
$array = decode_json '[0e0]';
cmp_ok $array->[0], '==', 0, 'value is 0';
$array = decode_json '[1,-2]';
is_deeply $array, [1, -2], 'decode [1,-2]';
$array = decode_json '["10e12" , [2 ]]';
is_deeply $array, ['10e12', [2]], 'decode ["10e12" , [2 ]]';
$array = decode_json '[10e12 , [2 ]]';
is_deeply $array, [10000000000000, [2]], 'decode [10e12 , [2 ]]';
$array = decode_json '[37.7668 , [ 20 ]] ';
is_deeply $array, [37.7668, [20]], 'decode [37.7668 , [ 20 ]] ';
$array = decode_json '[1e3]';
cmp_ok $array->[0], '==', 1e3, 'value is 1e3';
my $value = decode_json '0';
cmp_ok $value, '==', 0, 'decode 0';
$value = decode_json '23.3';
cmp_ok $value, '==', 23.3, 'decode 23.3';
# Decode name
$array = decode_json '[true]';
is_deeply $array, [JSON::Tiny->true], 'decode [true]';
$array = decode_json '[null]';
is_deeply $array, [undef], 'decode [null]';
$array = decode_json '[true, false]';
is_deeply $array, [true, false], 'decode [true, false]';
$value = decode_json 'true';
is $value, JSON::Tiny->true, 'decode true';
$value = decode_json 'false';
is $value, JSON::Tiny->false, 'decode false';
$value = decode_json 'null';
is $value, undef, 'decode null';
# Decode string
$array = decode_json '[" "]';
is_deeply $array, [' '], 'decode [" "]';
$array = decode_json '["hello world!"]';
is_deeply $array, ['hello world!'], 'decode ["hello world!"]';
$array = decode_json '["hello\nworld!"]';
is_deeply $array, ["hello\nworld!"], 'decode ["hello\nworld!"]';
$array = decode_json '["hello\t\"world!"]';
is_deeply $array, ["hello\t\"world!"], 'decode ["hello\t\"world!"]';
$array = decode_json '["hello\u0152world\u0152!"]';
is_deeply $array, ["hello\x{0152}world\x{0152}!"],
'decode ["hello\u0152world\u0152!"]';
$array = decode_json '["0."]';
is_deeply $array, ['0.'], 'decode ["0."]';
$array = decode_json '[" 0"]';
is_deeply $array, [' 0'], 'decode [" 0"]';
$array = decode_json '["1"]';
is_deeply $array, ['1'], 'decode ["1"]';
$array = decode_json '["\u0007\b\/\f\r"]';
is_deeply $array, ["\a\b/\f\r"], 'decode ["\u0007\b\/\f\r"]';
$value = decode_json '""';
is $value, '', 'decode ""';
$value = decode_json '"hell\no"';
is $value, "hell\no", 'decode "hell\no"';
# Decode object
my $hash = decode_json '{}';
is_deeply $hash, {}, 'decode {}';
$hash = decode_json '{"foo": "bar"}';
is_deeply $hash, {foo => 'bar'}, 'decode {"foo": "bar"}';
$hash = decode_json '{"foo": [23, "bar"]}';
is_deeply $hash, {foo => [qw(23 bar)]}, 'decode {"foo": [23, "bar"]}';
# Decode full spec example
$hash = decode_json <<EOF;
{
"Image": {
"Width": 800,
"Height": 600,
"Title": "View from 15th Floor",
"Thumbnail": {
"Url": "http://www.example.com/image/481989943",
"Height": 125,
"Width": "100"
},
"IDs": [116, 943, 234, 38793]
}
}
EOF
is $hash->{Image}{Width}, 800, 'right value';
is $hash->{Image}{Height}, 600, 'right value';
is $hash->{Image}{Title}, 'View from 15th Floor', 'right value';
is $hash->{Image}{Thumbnail}{Url}, 'http://www.example.com/image/481989943',
'right value';
is $hash->{Image}{Thumbnail}{Height}, 125, 'right value';
is $hash->{Image}{Thumbnail}{Width}, 100, 'right value';
is $hash->{Image}{IDs}[0], 116, 'right value';
is $hash->{Image}{IDs}[1], 943, 'right value';
is $hash->{Image}{IDs}[2], 234, 'right value';
is $hash->{Image}{IDs}[3], 38793, 'right value';
# Encode array
my $bytes = encode_json [];
is $bytes, '[]', 'encode []';
$bytes = encode_json [[]];
is $bytes, '[[]]', 'encode [[]]';
$bytes = encode_json [[], []];
is $bytes, '[[],[]]', 'encode [[], []]';
$bytes = encode_json [[], [[]], []];
is $bytes, '[[],[[]],[]]', 'encode [[], [[]], []]';
# Encode string
$bytes = encode_json ['foo'];
is $bytes, '["foo"]', 'encode [\'foo\']';
$bytes = encode_json ["hello\nworld!"];
is $bytes, '["hello\nworld!"]', 'encode ["hello\nworld!"]';
$bytes = encode_json ["hello\t\"world!"];
is $bytes, '["hello\t\"world!"]', 'encode ["hello\t\"world!"]';
$bytes = encode_json ["hello\x{0003}\x{0152}world\x{0152}!"];
is decode('UTF-8', $bytes), "[\"hello\\u0003\x{0152}world\x{0152}!\"]",
'encode ["hello\x{0003}\x{0152}world\x{0152}!"]';
$bytes = encode_json ["123abc"];
is $bytes, '["123abc"]', 'encode ["123abc"]';
$bytes = encode_json ["\x00\x1f \a\b/\f\r"];
is $bytes, '["\\u0000\\u001F \\u0007\\b\/\f\r"]',
'encode ["\x00\x1f \a\b/\f\r"]';
$bytes = encode_json '';
is $bytes, '""', 'encode ""';
$bytes = encode_json "hell\no";
is $bytes, '"hell\no"', 'encode "hell\no"';
# Encode object
$bytes = encode_json {};
is $bytes, '{}', 'encode {}';
$bytes = encode_json {foo => {}};
is $bytes, '{"foo":{}}', 'encode {foo => {}}';
$bytes = encode_json {foo => 'bar'};
is $bytes, '{"foo":"bar"}', 'encode {foo => \'bar\'}';
$bytes = encode_json {foo => []};
is $bytes, '{"foo":[]}', 'encode {foo => []}';
$bytes = encode_json {foo => ['bar']};
is $bytes, '{"foo":["bar"]}', 'encode {foo => [\'bar\']}';
$bytes = encode_json {foo => 'bar', baz => 'yada'};
is $bytes, '{"baz":"yada","foo":"bar"}',
'encode {foo => \'bar\', baz => \'yada\'}';
# Encode name
$bytes = encode_json [JSON::Tiny->true];
is $bytes, '[true]', 'encode [JSON::Tiny->true]';
$bytes = encode_json [undef];
is $bytes, '[null]', 'encode [undef]';
$bytes = encode_json [JSON::Tiny->true, JSON::Tiny->false];
is $bytes, '[true,false]', 'encode [JSON::Tiny->true, JSON::Tiny->false]';
$bytes = encode_json(JSON::Tiny->true);
is $bytes, 'true', 'encode JSON::Tiny->true';
$bytes = encode_json(JSON::Tiny->false);
is $bytes, 'false', 'encode JSON::Tiny->false';
$bytes = encode_json undef;
is $bytes, 'null', 'encode undef';
# Encode number
$bytes = encode_json [1];
is $bytes, '[1]', 'encode [1]';
$bytes = encode_json ["1"];
is $bytes, '["1"]', 'encode ["1"]';
$bytes = encode_json ['-122.026020'];
is $bytes, '["-122.026020"]', 'encode [\'-122.026020\']';
$bytes = encode_json [-122.026020];
is $bytes, '[-122.02602]', 'encode [-122.026020]';
$bytes = encode_json [1, -2];
is $bytes, '[1,-2]', 'encode [1, -2]';
$bytes = encode_json ['10e12', [2]];
is $bytes, '["10e12",[2]]', 'encode [\'10e12\', [2]]';
$bytes = encode_json [10e12, [2]];
is $bytes, '[10000000000000,[2]]', 'encode [10e12, [2]]';
$bytes = encode_json [37.7668, [20]];
is $bytes, '[37.7668,[20]]', 'encode [37.7668, [20]]';
$bytes = encode_json 0;
is $bytes, '0', 'encode 0';
$bytes = encode_json 23.3;
is $bytes, '23.3', 'encode 23.3';
# Faihu roundtrip
$bytes = j ["\x{10346}"];
is decode( 'UTF-8', $bytes ), "[\"\x{10346}\"]", 'encode ["\x{10346}"]';
$array = j $bytes;
is_deeply $array, ["\x{10346}"], 'successful roundtrip';
# Decode faihu surrogate pair
$array = decode_json '["\\ud800\\udf46"]';
is_deeply $array, ["\x{10346}"], 'decode [\"\\ud800\\udf46\"]';
# Decode object with duplicate keys
$hash = decode_json '{"foo": 1, "foo": 2}';
is_deeply $hash, {foo =>2}, 'decode {"foo": 1, "foo": 2}';
# Complicated roudtrips
$bytes = '{"":""}';
$hash = decode_json $bytes;
is_deeply $hash, {'' => ''}, 'decode {"":""}';
is encode_json($hash), $bytes, 'reencode';
$bytes = '[null,false,true,"",0,1]';
$array = decode_json $bytes;
is_deeply $array, [undef, JSON::Tiny->false, JSON::Tiny->true, '', 0, 1],
'decode [null,false,true,"",0,1]';
is encode_json($array), $bytes, 'reencode';
$array = [undef, 0, 1, '', JSON::Tiny->true, JSON::Tiny->false];
$bytes = encode_json $array;
ok $bytes, 'defined value';
is_deeply decode_json($bytes), $array, 'successful roundtrip';
# Real world roundtrip
$bytes = encode_json {foo => 'c:\progra~1\mozill~1\firefox.exe'};
is $bytes, '{"foo":"c:\\\\progra~1\\\\mozill~1\\\\firefox.exe"}',
'encode {foo => \'c:\progra~1\mozill~1\firefox.exe\'}';
$hash = decode_json $bytes;
is_deeply $hash, {foo => 'c:\progra~1\mozill~1\firefox.exe'},
'successful roundtrip';
# Huge string
$bytes = encode_json ['a' x 32768];
is_deeply decode_json($bytes), ['a' x 32768], 'successful roundtrip (huge)'; # segfault under 5.8.x.
# u2028 and u2029 and slash
$bytes = encode_json ["\x{2028}test\x{2029}123</script>"];
is $bytes, '["\u2028test\u2029123<\/script>"]',
'escaped u2028, u2029 and slash';
is_deeply decode_json($bytes), ["\x{2028}test\x{2029}123</script>"],
'successful roundtrip';
# JSON without UTF-8 encoding
is_deeply from_json('["♥"]'), ['♥'], 'characters decoded';
is to_json(['♥']), '["♥"]', 'characters encoded';
is_deeply from_json(to_json(["\xe9"])), ["\xe9"], 'successful roundtrip';
# Blessed reference
# Mojo::ByteStream needed for this test.
#$bytes = encode_json b(['test']);
#is_deeply decode_json($bytes), ['test'], 'successful roundtrip';
# Blessed reference with TO_JSON method
$bytes = encode_json(JSONTest->new);
is_deeply decode_json($bytes), {}, 'successful roundtrip';
$bytes = encode_json(
JSONTest->new(foo => {just => 'works'}, else => {not => 'working'}));
is_deeply decode_json($bytes), {just => 'works'}, 'successful roundtrip';
# Boolean shortcut
is encode_json({true => \1}), '{"true":true}', 'encode {true => \1}';
is encode_json({false => \0}), '{"false":false}', 'encode {false => \0}';
$bytes = 'some true value';
is encode_json({true => \!!$bytes}), '{"true":true}',
'encode true boolean from double negated reference';
is encode_json({true => \$bytes}), '{"true":true}',
'encode true boolean from reference';
$bytes = '';
is encode_json({false => \!!$bytes}), '{"false":false}',
'encode false boolean from double negated reference';
is encode_json({false => \$bytes}), '{"false":false}',
'encode false boolean from reference';
# Booleans in different contexts
is(true, 1, 'right string value');
is(true + 0, 1, 'right numeric value');
is(false, 0, 'right string value');
is(false + 0, 0, 'right numeric value');
# Upgraded numbers
my $num = 3;
my $str = "$num";
is encode_json({test => [$num, $str]}), '{"test":[3,"3"]}',
'upgraded number detected';
$num = 3.21;
$str = "$num";
is encode_json({test => [$num, $str]}), '{"test":[3.21,"3.21"]}',
'upgraded number detected';
$str = '0 but true';
$num = 1 + $str;
is encode_json({test => [$num, $str]}), '{"test":[1,"0 but true"]}',
'upgraded number detected';
# Upgraded string
$str = "bar";
{ no warnings 'numeric'; $num = 23 + $str }
is encode_json({test => [$num, $str]}), '{"test":[23,"bar"]}',
'upgraded string detected';
# "inf" and "nan"
like encode_json({test => 9**9**9}), qr/^{"test":".*"}$/,
'encode "inf" as string';
like encode_json({test => -sin(9**9**9)}), qr/^{"test":".*"}$/,
'encode "nan" as string';
# "null"
is j('null'), undef, 'decode null';
# Errors
eval { decode_json 'test' };
like $@, qr/Malformed JSON: Expected string, array, object/, 'right error';
like $@, qr/object, number, boolean or null at line 0, offset 0/, 'right error';
eval { decode_json(encode('UTF-8','["\\ud800"]')) };
like $@, qr/Malformed JSON: Missing low-surrogate at line 1, offset 8/,
'right error';
eval { decode_json(encode('UTF-8', '["\\udf46"]')) };
like $@, qr/Malformed JSON: Missing high-surrogate at line 1, offset 8/,
'right error';
eval { decode_json '[[]' };
like $@, qr/Malformed JSON: Expected comma or right square bracket/,
'right error';
like $@, qr/bracket while parsing array at line 1, offset 3/, 'right error';
eval { decode_json '{{}' };
like $@,
qr/Malformed JSON: Expected string while parsing object at line 1, offset 1/,
'right error';
eval { decode_json "[\"foo\x00]" };
like $@, qr/Malformed JSON: Unexpected character or invalid escape/,
'right error';
like $@, qr/escape while parsing string at line 1, offset 5/, 'right error';
eval { decode_json '{"foo":"bar"{' };
like $@, qr/Malformed JSON: Expected comma or right curly bracket/,
'right error';
like $@, qr/bracket while parsing object at line 1, offset 12/, 'right error';
eval { decode_json '{"foo""bar"}' };
like $@,
qr/Malformed JSON: Expected colon while parsing object at line 1, offset 6/,
'right error';
eval { decode_json '[[]...' };
like $@, qr/Malformed JSON: Expected comma or right square bracket/,
'right error';
like $@, qr/bracket while parsing array at line 1, offset 3/, 'right error';
eval { decode_json '{{}...' };
like $@,
qr/Malformed JSON: Expected string while parsing object at line 1, offset 1/,
'right error';
eval { decode_json '[nan]' };
like $@, qr/Malformed JSON: Expected string, array, object, number/,
'right error';
like $@, qr/number, boolean or null at line 1, offset 1/, 'right error';
eval { decode_json '["foo]' };
like $@, qr/Malformed JSON: Unterminated string at line 1, offset 6/,
'right error';
eval { decode_json '{"foo":"bar"}lala' };
like $@, qr/Malformed JSON: Unexpected data at line 1, offset 13/,
'right error';
eval { decode_json '' };
like $@, qr/Missing or empty input/, 'right error';
eval { decode_json "[\"foo\",\n\"bar\"]lala" };
like $@, qr/Malformed JSON: Unexpected data at line 2, offset 6/,
'right error';
eval { decode_json "[\"foo\",\n\"bar\",\n\"bazra\"]lalala" };
like $@, qr/Malformed JSON: Unexpected data at line 3, offset 8/,
'right error';
eval { decode_json '["♥"]' };
like $@, qr/Input is not UTF-8 encoded/, 'right error';
eval { decode_json encode('Shift_JIS', 'やった') };
like $@, qr/Input is not UTF-8 encoded/, 'right error';
is eval { j '{'; 1 }, undef, 'syntax error';
eval { decode_json "[\"foo\",\n\"bar\",\n\"bazra\"]lalala" };
like $@,
qr/JSON: Unexpected data at line 3, offset 8 at.*json\.t/,
'right error';
eval { from_json "[\"foo\",\n\"bar\",\n\"bazra\"]lalala" };
like $@, qr/JSON: Unexpected data at line 3, offset 8 at.*json\.t/,
'right error';
is encode_json({a=>undef}), '{"a":null}', 'Encode undef to null.';
done_testing();

9
t/21-j-dies.t Normal file
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@ -0,0 +1,9 @@
use strict;
use warnings;
use Test::More tests => 1;
use JSON::Tiny 'j';
eval { my $aref = j '[[]' };
like $@, qr/^Malformed JSON: Expected comma or right square/,
'j() dies on decode error; right error.';

41
t/22-bool.t Normal file
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@ -0,0 +1,41 @@
use strict;
use warnings;
no warnings 'once';
use Test::More;
use JSON::Tiny 'decode_json';
my $rv = decode_json '{ "a":false, "b":true }';
ok $rv->{a}->isa('JSON::Tiny::_Bool'),
'Decoding a "false" Boolean yields JSON::Tiny::_Bool object.';
ok $rv->{b}->isa('JSON::Tiny::_Bool'),
'Decoding "true" Boolean yields JSON::Tiny::_Bool object.';
is ref $rv->{a}, 'JSON::Tiny::_Bool', 'ref detects JSON::Tiny::_Bool';
is ref $rv->{b}, 'JSON::Tiny::_Bool',
'ref detects JSON::Tiny::_Bool type (true)';
{
local ( $JSON::Tiny::FALSE, $JSON::Tiny::TRUE ) = ( 0, 1 );
$rv = decode_json '{"a":false, "b":true}';
is $rv->{a}, 0, 'Overridden Boolean false yields 0';
is $rv->{b}, 1, 'Overridden Boolean true yields 1';
is ref $rv->{a}, '', 'Overriding Boolean false assumes correct type.';
is ref $rv->{b}, '', 'Overriding Boolean true assumes correct type.';
}
$rv = decode_json '{"a":false, "b":true}';
is ref $rv->{b}, 'JSON::Tiny::_Bool',
'JSON::Tiny::_Bool back after localized change to $JSON::Tiny::FALSE ' .
'falls from scope.';
is ref $rv->{a}, 'JSON::Tiny::_Bool',
'JSON::Tiny::_Bool back after localized change to $JSON::Tiny::TRUE ' .
'falls from scope.';
$rv = JSON::Tiny::encode_json { a=>\0, b=>\1 };
like $rv, qr/"b":true/, 'Reference to \\1 yields true.';
like $rv, qr/"a":false/, 'Reference to \\0 yields false.';
done_testing();