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Comparing JSON-XS/Changes (file contents):
Revision 1.49 by root, Mon Jun 11 02:58:10 2007 UTC vs.
Revision 1.160 by root, Tue Oct 29 00:18:55 2013 UTC

1Revision history for Perl extension JSON::XS 1Revision history for Perl extension JSON::XS
2 2
3TODO: maybe use some overload magic to decode true and false into something 3TODO: maybe detetc and croak on more invalid inputs (e.g. +-inf/nan)
4 not 0 or 1 in perl. or use attached magic? 4TODO: maybe avoid the reblessing and better support readonly objects.
5TODO: http://stevehanov.ca/blog/index.php?id=104 compression
5 6
6investigate the possibility of a yaml-compatible output format. 73.0
8 - experimental object tagging extension (using the
9 Types::Serialiser serialisation protocol).
10 - reworked the documentation regarding object serialisation,
11 add a new OBJECT SERIALISATION section that explains the
12 whole process.
13 - new setting: allow_tags.
14 - switch to Types::Serialiser booleans.
15 - remove to_json/from_json.
16 - other minor improvements to the documentation.
7 17
182.34 Thu May 23 11:30:34 CEST 2013
19 - work around bugs in perl 5.18 breaking more than 100
20 widely used modules, without a fix in sight because
21 p5pers don't care about CPAN anymore.
22 - when canonicalising, only allocate up to 64 hash key
23 pointers on the stack. for larger hashes, use the heap,
24 to avoid using too much stackspace.
25 - discuss the problem with setlocale (reported by a few victims).
26
272.33 Wed Aug 1 21:03:52 CEST 2012
28 - internal encode/decode XS wrappers did not expect stack
29 moves caused by callbacks (analyzed and testcase by Jesse Luehrs).
30 - add bencode as to/from option in bin/json_xs.
31 - add -e option to json_xs, and none and string in/out formats.
32
332.32 Thu Aug 11 19:06:38 CEST 2011
34 - fix a bug in the initial whitespace accumulation.
35
362.31 Wed Jul 27 17:53:05 CEST 2011
37 - don't accumulate initial whitespace in the incremental buffer
38 (this can be useful to allow whitespace-keepalive on a tcp
39 connection without triggering the max_size limit).
40 - properly croak on some invalid inputs that are not strings
41 (e.g. undef) when trying to decode a json text (reported
42 and analyzed by Goro Fuji).
43
442.3 Wed Aug 18 01:26:47 CEST 2010
45 - make sure decoder doesn't change the decoding in the incremental
46 parser (testcase provided by Hendrik Schumacher).
47 - applied patch by DaTa for Data::Dumper support in json_xs.
48 - added -t dump support to json_xs, using Data::Dump.
49 - added -f eval support to json_xs.
50
512.29 Wed Mar 17 02:39:12 CET 2010
52 - fix a memory leak when callbacks set using filter_json_object
53 or filter_json_single_key_object were called (great testcase
54 by Eric Wilhelm).
55
562.28 Thu Mar 11 20:30:46 CET 2010
57 - implement our own atof function - perl's can be orders of
58 magnitudes slower than even the system one. on the positive
59 side, ours seems to be more exact in general than perl's.
60 (testcase provided by Tim Meadowcroft).
61 - clarify floating point conversion issues a bit.
62 - update jpsykes csrf article url.
63 - updated benchmark section - JSON::PP became much faster!
64
652.27 Thu Jan 7 07:35:08 CET 2010
66 - support relaxed option inside the incremental parser
67 (testcase provided by IKEGAMI via Makamaka).
68
692.26 Sat Oct 10 03:26:19 CEST 2009
70 - big integers could become truncated (based on patch
71 by Strobl Anton).
72 - output format change: indent now adds a final newline, which is
73 more expected and more true to the documentation.
74
752.25 Sat Aug 8 12:04:41 CEST 2009
76 - the perl debugger completely breaks lvalue subs - try to work
77 around the issue.
78 - ignore RMAGICAL hashes w.r.t. CANONICAL.
79 - try to work around a possible char signedness issue on aix.
80 - require common sense.
81
822.24 Sat May 30 08:25:45 CEST 2009
83 - the incremental parser did not update its parse offset
84 pointer correctly when parsing utf8-strings (nicely
85 debugged by Martin Evans).
86 - appending a non-utf8-string to the incremental parser
87 in utf8 mode failed to upgrade the string.
88 - wording of parse error messages has been improved.
89
902.232 Sun Feb 22 11:12:25 CET 2009
91 - use an exponential algorithm to extend strings, to
92 help platforms with bad or abysmal==windows memory
93 allocater performance, at the expense of some memory
94 wastage (use shrink to recover this extra memory).
95 (nicely analysed by Dmitry Karasik).
96
972.2311 Thu Feb 19 02:12:54 CET 2009
98 - add a section "JSON and ECMAscript" to explain some
99 incompatibilities between the two (problem was noted by
100 various people).
101 - add t/20_faihu.t.
102
1032.231 Thu Nov 20 04:59:08 CET 2008
104 - work around 5.10.0 magic bugs where manipulating magic values
105 (such as $1) would permanently damage them as perl would
106 ignore the magicalness, by making a full copy of the string,
107 reported by Dmitry Karasik.
108 - work around spurious warnings under older perl 5.8's.
109
1102.23 Mon Sep 29 05:08:29 CEST 2008
111 - fix a compilation problem when perl is not using char * as, well,
112 char *.
113 - use PL_hexdigit in favour of rolling our own.
114
1152.2222 Sun Jul 20 18:49:00 CEST 2008
116 - same game again, broken 5.10 finds yet another assertion
117 failure, and the workaround causes additional runtime warnings.
118 Work around the next assertion AND the warning. 5.10 seriously
119 needs to adjust it's attitude against working code.
120
1212.222 Sat Jul 19 06:15:34 CEST 2008
122 - you work around one -DDEBUGGING assertion bug in perl 5.10
123 just to hit the next one. work around this one, too.
124
1252.22 Tue Jul 15 13:26:51 CEST 2008
126 - allow higher nesting levels in incremental parser.
127 - error out earlier in some cases in the incremental parser
128 (as suggested by Yuval Kogman).
129 - improve incr-parser test (Yuval Kogman).
130
1312.21 Tue Jun 3 08:43:23 CEST 2008
132 - (hopefully) work around a perl 5.10 bug with -DDEBUGGING.
133 - remove the experimental status of the incremental parser interface.
134 - move =encoding around again, to avoid bugs with search.cpan.org.
135 when can we finally have utf-8 in pod???
136 - add ->incr_reset method.
137
1382.2 Wed Apr 16 20:37:25 CEST 2008
139 - lifted the log2 rounding restriction of max_depth and max_size.
140 - make booleans mutable by creating a copy instead of handing out
141 the same scalar (reported by pasha sadri).
142 - added support for incremental json parsing (still EXPERIMENTAL).
143 - implemented and added a json_xs command line utility that can convert
144 from/to a number of serialisation formats - tell me if you need more.
145 - implement allow_unknown/get_allow_unknown methods.
146 - fixed documentation of max_depth w.r.t. higher and equal.
147 - moved down =encoding directive a bit, too much breaks if it's the first
148 pod directive :/.
149 - removed documentation section on other modules, it became somewhat
150 outdated and is nowadays mostly of historical interest.
151
1522.1 Wed Mar 19 23:23:18 CET 2008
153 - update documentation here and there: add a large section
154 about utf8/latin1/ascii flags, add a security consideration
155 and extend and clarify the JSON and YAML section.
156 - medium speed enhancements when encoding/decoding non-ascii chars.
157 - minor speedup in number encoding case.
158 - extend and clarify the section on incompatibilities
159 between YAML and JSON.
160 - switch to static inline from just inline when using gcc.
161 - add =encoding utf-8 to the manpage, now that perl 5.10 supports it.
162 - fix some issues with UV to JSON conversion of unknown impact.
163 - published the yahoo locals search result used in benchmarks as the
164 original url changes so comparison is impossible.
165
1662.01 Wed Dec 5 11:40:28 CET 2007
167 - INCOMPATIBLE API CHANGE: to_json and from_json have been
168 renamed to encode_json/decode_json for JSON.pm compatibility.
169 The old functions croak and might be replaced by JSON.pm
170 comaptible versions in some later release.
171
1722.0 Tue Dec 4 11:30:46 CET 2007
173 - this is supposed to be the first version of JSON::XS
174 compatible with version 2.0+ of the JSON module.
175 Using the JSON module as frontend to JSON::XS should be
176 as fast as using JSON::XS directly, so consider using it
177 instead.
178 - added get_* methods for all "simple" options.
179 - make JSON::XS subclassable.
180
1811.53 Tue Nov 13 23:58:33 CET 2007
182 - minor doc clarifications.
183 - fixed many doc typos (patch by Thomas L. Shinnick).
184
1851.52 Mon Oct 15 03:22:06 CEST 2007
186 - remove =encoding pod directive again, it confuses too many pod
187 parsers :/.
188
1891.51 Sat Oct 13 03:55:56 CEST 2007
190 - encode empty arrays/hashes in a compact way when pretty is enabled.
191 - apparently JSON::XS was used to find some bugs in the
192 JSON_checker testsuite, so add (the corrected) JSON_checker tests to
193 the testsuite.
194 - quite a bit of doc updates/extension.
195 - require 5.8.2, as this seems to be the first unicode-stable version.
196
1971.5 Tue Aug 28 04:05:38 CEST 2007
198 - add support for tied hashes, based on ideas and testcase by
199 Marcus Holland-Moritz.
200 - implemented relaxed parsing mode where some extensions are being
201 accepted. generation is still JSON-only.
202
2031.44 Wed Aug 22 01:02:44 CEST 2007
204 - very experimental process-emulation support, slowing everything down.
205 the horribly broken perl threads are still not supported - YMMV.
206
2071.43 Thu Jul 26 13:26:37 CEST 2007
208 - convert big json numbers exclusively consisting of digits to NV
209 only when there is no loss of precision, otherwise to string.
210
2111.42 Tue Jul 24 00:51:18 CEST 2007
212 - fix a crash caused by not handling missing array elements
213 (report and testcase by Jay Kuri).
214
2151.41 Tue Jul 10 18:21:44 CEST 2007
216 - fix compilation with NDEBUG (assert side-effect),
217 affects convert_blessed only.
218 - fix a bug in decode filters calling ENTER; SAVETMPS;
219 one time too often.
220 - catch a typical error in TO_JSON methods.
221 - antique-ised XS.xs again to work with outdated
222 C compilers (windows...).
223
2241.4 Mon Jul 2 10:06:30 CEST 2007
225 - add convert_blessed setting.
226 - encode did not catch all blessed objects, encoding their
227 contents in most cases. This has been fixed by introducing
228 the allow_blessed setting.
229 - added filter_json_object and filter_json_single_key_object
230 settings that specify a callback to be called when
231 all/specific json objects are encountered.
232 - assume that most object keys are simple ascii words and
233 optimise this case, penalising the general case. This can
234 speed up decoding by 30% in typical cases and gives
235 a smaller and faster perl hash.
236 - implemented simpleminded, optional resource size checking
237 in decode_json.
238 - remove objToJson/jsonToObj aliases, as the next version
239 of JSON will not have them either.
240 - bit the bullet and converted the very simple json object
241 into a more complex one.
242 - work around a bug where perl wrongly claims an integer
243 is not an integer.
244 - unbundle JSON::XS::Boolean into own pm file so Storable
245 and similar modules can resolve the overloading when thawing.
246
2471.3 Sun Jun 24 01:55:02 CEST 2007
248 - make JSON::XS::true and false special overloaded objects
249 and return those instead of 1 and 0 for those json atoms
250 (JSON::PP compatibility is NOT achieved yet).
251 - add JSON::XS::is_bool predicate to test for those special
252 values.
253 - add a reference to
254 http://jpsykes.com/47/practical-csrf-and-json-security.
255 - removed require 5.8.8 again, it is just not very expert-friendly.
256 Also try to be more compatible with slightly older versions,
257 which are not recommended (because they are buggy).
258
2591.24 Mon Jun 11 05:40:49 CEST 2007
8 - added informative section on JSON-as-YAML. 260 - added informative section on JSON-as-YAML.
261 - get rid of some c99-isms again.
262 - localise dec->cur in decode_str, speeding up
263 string decoding considerably (>15% on my amd64 + gcc).
264 - increased SHORT_STRING_LEN to 16kb: stack space is
265 usually plenty, and this actually saves memory
266 when !shrinking as short strings will fit perfectly.
9 267
101.23 Wed Jun 6 20:13:06 CEST 2007 2681.23 Wed Jun 6 20:13:06 CEST 2007
11 - greatly improved small integer encoding and decoding speed. 269 - greatly improved small integer encoding and decoding speed.
12 - implement a number of µ-optimisations. 270 - implement a number of µ-optimisations.
13 - updated benchmarks. 271 - updated benchmarks.
… …
119 case the called functions do... stuff. 377 case the called functions do... stuff.
120 - croak when encoding to ascii and an out-of-range 378 - croak when encoding to ascii and an out-of-range
121 (non-unicode) codepoint is encountered. 379 (non-unicode) codepoint is encountered.
122 380
1230.2 Fri Mar 23 00:23:34 CET 2007 3810.2 Fri Mar 23 00:23:34 CET 2007
124 - the "could not sleep without debuggign release". 382 - the "could not sleep without debugging release".
125 it should basically work now, with many bugs as 383 it should basically work now, with many bugs as
126 no production tests have been run yet. 384 no production tests have been run yet.
127 - added more testcases. 385 - added more testcases.
128 - the expected shitload of bugfixes. 386 - the expected shitload of bugfixes.
129 - handle utf8 flag correctly in decode. 387 - handle utf8 flag correctly in decode.

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