JSON-XS
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Revision history for Perl extension JSON::XS
TODO: maybe detect and croak on more invalid inputs (e.g. +-inf/nan)
TODO: maybe avoid the reblessing and better support readonly objects.
TODO: how to cope with tagged values and standard json decoders
TODO: investigate magic (Eric Brine)
TODO: [PATCH] Types::Serialiser: Inline true(), false() and error() functions
TODO: replace bool_stash by BOOL_STASH seems to work with mod_perl, make a compile time option?
4.03 Tue Oct 27 19:05:01 CET 2020
- when parsing comments in relaxed mode, JSON::XS would detect garbage
after the JSON text if the comment is after the end and does not end in
a newline (reported by Felipe Gasper).
4.02 Wed Mar 6 08:31:24 CET 2019
- undo the fix from 4.01, it breaks more things than it fixes
(another testcase by Wesley Schwengle).
- try a proper fix this time.
4.01 Sun Feb 24 05:03:30 CET 2019
- fix some stack corruption caused mostly when calling methods
in list context (testcase by Wesley Schwengle).
4.0 Fri Nov 16 00:06:54 CET 2018
- SECURITY IMPLICATION: this release enables allow_nonref by default
for compatibility with RFC 7159 and newer. See "old" vs. "new"
JSON under SECURITY CONSIDERATIONS.
- reworked the "old" vs. "new" JSON section.
- add ->boolean_values to provide the values to which booleans
decode (requested by Aristotle Pagaltzis).
- decode would wrongly accept ASCII NUL characters instead of
reporting them as trailing garbage.
- work around what smells like a perl bug w.r.t. exceptions
thrown in callbacks.
- change exponential realloc algorithm on encoding and string decoding to be
really exponential (this helps slow/debugging allocators such as libumem)
(reported by Matthew Horsfall).
- string encoding would needlessly overallocate output space
(testcase by Matthew Horsfall).
- be very paranoid about extending buffer lengths and croak if buffers get too large,
which might (or might not) improve security.
- add cbor-packed type to json_xs.
- switch from YAML to YAML::XS in json_xs, as YAML is way too buggy and outdated.
3.03 Wed Nov 16 20:20:59 CET 2016
- fix a bug introduced by a perl bug workaround that would cause
incremental parsing to fail with a sv_chop panic.
- json_xs: toformat failure error message fixed.
- json_xs: allow cyclic data structures in CBOR.
3.02 Fri Feb 26 22:45:20 CET 2016
- allow_nonref now affects booleans (\1, $Types::Serialiser::Boolean)
as well (reported by Alex Efros).
- allow literal tabs in strings in relaxed mode (patch by
lubo.rintel@gooddata.com).
- support "cbor" format in json_xs tool.
- support (and fix) calling encode and decode in list context
(reported by Вадим ВлаÑов).
- work around a bug in older perls crashing when presented
with shared hash keys (Reini Urban).
- use stability canary.
3.01 Tue Oct 29 16:55:15 CET 2013
- backport to perls < 5.18 (reported by Paul Howarth).
3.0 Tue Oct 29 01:35:37 CET 2013
- implemented an object tagging extension (using the
Types::Serialiser serialisation protocol).
- reworked the documentation regarding object serialisation,
add a new OBJECT SERIALISATION section that explains th
whole process.
- new setting: allow_tags.
- switch to Types::Serialiser booleans.
- remove to_json/from_json.
- other minor improvements to the documentation.
(e.g. undef) when trying to decode a json text (reported
and analyzed by Goro Fuji).
2.3 Wed Aug 18 01:26:47 CEST 2010
- make sure decoder doesn't change the decoding in the incremental
parser (testcase provided by Hendrik Schumacher).
- applied patch by DaTa for Data::Dumper support in json_xs.
- added -t dump support to json_xs, using Data::Dump.
- added -f eval support to json_xs.
2.29 Wed Mar 17 02:39:12 CET 2010
- fix a memory leak when callbacks set using filter_json_object
or filter_json_single_key_object were called (great testcase
by Eric Wilhelm).
2.28 Thu Mar 11 20:30:46 CET 2010
- implement our own atof function - perl's can be orders of
magnitudes slower than even the system one. on the positive
side, ours seems to be more exact in general than perl's.
(testcase provided by Tim Meadowcroft).
- clarify floating point conversion issues a bit.
- update jpsykes csrf article url.
- updated benchmark section - JSON::PP became much faster!
2.27 Thu Jan 7 07:35:08 CET 2010
- support relaxed option inside the incremental parser
(testcase provided by IKEGAMI via Makamaka).
2.26 Sat Oct 10 03:26:19 CEST 2009
- big integers could become truncated (based on patch
by Strobl Anton).
- output format change: indent now adds a final newline, which is
more expected and more true to the documentation.
2.25 Sat Aug 8 12:04:41 CEST 2009
- require common sense.
2.24 Sat May 30 08:25:45 CEST 2009
- the incremental parser did not update its parse offset
pointer correctly when parsing utf8-strings (nicely
debugged by Martin Evans).
- appending a non-utf8-string to the incremental parser
in utf8 mode failed to upgrade the string.
- wording of parse error messages has been improved.
2.232 Sun Feb 22 11:12:25 CET 2009
- use an exponential algorithm to extend strings, to
help platforms with bad or abysmal==windows memory
allocater performance, at the expense of some memory
wastage (use shrink to recover this extra memory).
(nicely analysed by Dmitry Karasik).
2.2311 Thu Feb 19 02:12:54 CET 2009
- add a section "JSON and ECMAscript" to explain some
incompatibilities between the two (problem was noted by
various people).
- add t/20_faihu.t.
2.231 Thu Nov 20 04:59:08 CET 2008
- work around 5.10.0 magic bugs where manipulating magic values
(such as $1) would permanently damage them as perl would
ignore the magicalness, by making a full copy of the string,
reported by Dmitry Karasik.
- work around spurious warnings under older perl 5.8's.
2.23 Mon Sep 29 05:08:29 CEST 2008
- fix a compilation problem when perl is not using char * as, well,
char *.
- use PL_hexdigit in favour of rolling our own.
- added support for incremental json parsing (still EXPERIMENTAL).
- implemented and added a json_xs command line utility that can convert
from/to a number of serialisation formats - tell me if you need more.
- implement allow_unknown/get_allow_unknown methods.
- fixed documentation of max_depth w.r.t. higher and equal.
- moved down =encoding directive a bit, too much breaks if it's the first
pod directive :/.
- removed documentation section on other modules, it became somewhat
outdated and is nowadays mostly of historical interest.
2.1 Wed Mar 19 23:23:18 CET 2008
- update documentation here and there: add a large section
about utf8/latin1/ascii flags, add a security consideration
and extend and clarify the JSON and YAML section.
- medium speed enhancements when encoding/decoding non-ascii chars.
- minor speedup in number encoding case.
- extend and clarify the section on incompatibilities
between YAML and JSON.
- switch to static inline from just inline when using gcc.
- add =encoding utf-8 to the manpage, now that perl 5.10 supports it.
- fix some issues with UV to JSON conversion of unknown impact.
- published the yahoo locals search result used in benchmarks as the
original url changes so comparison is impossible.
2.01 Wed Dec 5 11:40:28 CET 2007
- INCOMPATIBLE API CHANGE: to_json and from_json have been
renamed to encode_json/decode_json for JSON.pm compatibility.
The old functions croak and might be replaced by JSON.pm
comaptible versions in some later release.
2.0 Tue Dec 4 11:30:46 CET 2007
- this is supposed to be the first version of JSON::XS
compatible with version 2.0+ of the JSON module.
Using the JSON module as frontend to JSON::XS should be
as fast as using JSON::XS directly, so consider using it
instead.
- added get_* methods for all "simple" options.
- make JSON::XS subclassable.
1.53 Tue Nov 13 23:58:33 CET 2007
- minor doc clarifications.
- fixed many doc typos (patch by Thomas L. Shinnick).
1.52 Mon Oct 15 03:22:06 CEST 2007
- remove =encoding pod directive again, it confuses too many pod
parsers :/.
1.51 Sat Oct 13 03:55:56 CEST 2007
- encode empty arrays/hashes in a compact way when pretty is enabled.
- apparently JSON::XS was used to find some bugs in the
send me his report, so I cannot ask about the stack limit on fbsd).
0.8 Mon Mar 26 00:10:48 CEST 2007
- fix a memleak when decoding hashes.
- export jsonToBj and objToJson as aliases
to to_json and from_json, to reduce incompatibilities
between JSON/JSON::PC and JSON::XS. (experimental).
- implement a maximum nesting depth for both en- and de-coding.
- added a security considerations sections.
0.7 Sun Mar 25 01:46:30 CET 2007
- code cleanup.
- fix a memory overflow bug when indenting.
- pretty-printing now up to 15% faster.
- improve decoding speed of strings by
up to 50% by specialcasing short strings.
- further decoding speedups for strings using
lots of \u escapes.
- improve utf8 decoding speed for U+80 .. U+7FF.
0.5 Sat Mar 24 20:41:51 CET 2007
- added the UTF-16 encoding example hinted at in previous
versions.
- minor documentation fixes.
- fix a bug in and optimise canonicalising fastpath
(reported by Craig Manley).
- remove a subtest that breaks with bleadperl (reported
by Andreas König).
0.31 Sat Mar 24 02:14:34 CET 2007
- documentation updates.
- do some casting to hopefully fix Andreas' problem.
- nuke bogus json rpc stuff.
0.3 Fri Mar 23 19:33:21 CET 2007
- remove spurious PApp::Util reference (John McNamara).
- adapted lots of tests from other json modules
(idea by Chris Carline).
- documented mapping from json to perl and vice versa.
- improved the documentation by adding more examples.
- added short escaping forms, reducing the created
json texts a bit.
- added shrink flag.
- when flag methods are called without enable argument
they will by default enable their flag.
with gcc 4).
- added a test that covers lots of different characters.
- clarified some error messages.
- error messages now use correct character offset
with F_UTF8.
- improve the "no bytes" and "no warnings" hacks in
case the called functions do... stuff.
- croak when encoding to ascii and an out-of-range
(non-unicode) codepoint is encountered.
0.2 Fri Mar 23 00:23:34 CET 2007
- the "could not sleep without debugging release".
it should basically work now, with many bugs as
no production tests have been run yet.
- added more testcases.
- the expected shitload of bugfixes.
- handle utf8 flag correctly in decode.
- fix segfault in decoder.
- utf8n_to_uvuni sets retlen to -1, but retlen is an
unsigned types (argh).
- fix decoding of utf-8 strings.
- improved error diagnostics.
- fix decoding of 'null'.
- fix parsing of empty array/hashes
- silence warnings when we prepare the croak message.
0.1 Thu Mar 22 22:13:43 CET 2007
- first release, very untested, basically just to claim
the namespace.
0.01 Thu Mar 22 06:08:12 CET 2007
- original version; cloned from Convert-Scalar
( run in 1.279 second using v1.01-cache-2.11-cpan-49f99fa48dc )