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Revision: 1.133
Committed: Sat Sep 5 23:00:55 2009 UTC (14 years, 8 months ago) by root
Branch: MAIN
Changes since 1.132: +4 -0 lines
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# User Rev Content
1 root 1.1 Revision history for Perl extension JSON::XS
2 root 1.2
3 root 1.132 TODO: configurable booleans
4 root 1.133 TODO: tagging
5    
6     - indent now adds a final newline, which is more expected
7     and more true to the documentation.
8 root 1.132
9 root 1.131 2.25 Sat Aug 8 12:04:41 CEST 2009
10     - the perl debugger completely breaks lvalue subs - try to work
11     around the issue.
12 root 1.130 - ignore RMAGICAL hashes w.r.t. CANONICAL.
13 root 1.128 - try to work around a possible char signedness issue on aix.
14 root 1.129 - require common sense.
15 root 1.128
16 root 1.127 2.24 Sat May 30 08:25:45 CEST 2009
17     - the incremental parser did not update its parse offset
18     pointer correctly when parsing utf8-strings (nicely
19     debugged by Martin Evans).
20     - appending a non-utf8-string to the incremental parser
21     in utf8 mode failed to upgrade the string.
22     - wording of parse error messages has been improved.
23    
24 root 1.126 2.232 Sun Feb 22 11:12:25 CET 2009
25 root 1.125 - use an exponential algorithm to extend strings, to
26 root 1.126 help platforms with bad or abysmal==windows memory
27     allocater performance, at the expense of some memory
28 root 1.125 wastage (use shrink to recover this extra memory).
29     (nicely analysed by Dmitry Karasik).
30    
31 root 1.124 2.2311 Thu Feb 19 02:12:54 CET 2009
32 root 1.123 - add a section "JSON and ECMAscript" to explain some
33     incompatibilities between the two (problem was noted by
34     various people).
35 root 1.122 - add t/20_faihu.t.
36    
37 root 1.121 2.231 Thu Nov 20 04:59:08 CET 2008
38     - work around 5.10.0 magic bugs where manipulating magic values
39     (such as $1) would permanently damage them as perl would
40     ignore the magicalness, by making a full copy of the string,
41     reported by Dmitry Karasik.
42 root 1.125 - work around spurious warnings under older perl 5.8's.
43 root 1.121
44 root 1.120 2.23 Mon Sep 29 05:08:29 CEST 2008
45     - fix a compilation problem when perl is not using char * as, well,
46     char *.
47 root 1.119 - use PL_hexdigit in favour of rolling our own.
48    
49 root 1.118 2.2222 Sun Jul 20 18:49:00 CEST 2008
50     - same game again, broken 5.10 finds yet another assertion
51     failure, and the workaround causes additional runtime warnings.
52     Work around the next assertion AND the warning. 5.10 seriously
53     needs to adjust it's attitude against working code.
54    
55 root 1.117 2.222 Sat Jul 19 06:15:34 CEST 2008
56     - you work around one -DDEBUGGING assertion bug in perl 5.10
57     just to hit the next one. work around this one, too.
58    
59 root 1.116 2.22 Tue Jul 15 13:26:51 CEST 2008
60 root 1.115 - allow higher nesting levels in incremental parser.
61     - error out earlier in some cases in the incremental parser
62     (as suggested by Yuval Kogman).
63     - improve incr-parser test (Yuval Kogman).
64    
65 root 1.114 2.21 Tue Jun 3 08:43:23 CEST 2008
66     - (hopefully) work around a perl 5.10 bug with -DDEBUGGING.
67 root 1.112 - remove the experimental status of the incremental parser interface.
68 root 1.111 - move =encoding around again, to avoid bugs with search.cpan.org.
69     when can we finally have utf-8 in pod???
70 root 1.113 - add ->incr_reset method.
71 root 1.111
72 root 1.110 2.2 Wed Apr 16 20:37:25 CEST 2008
73 root 1.109 - lifted the log2 rounding restriction of max_depth and max_size.
74 root 1.107 - make booleans mutable by creating a copy instead of handing out
75     the same scalar (reported by pasha sadri).
76 root 1.105 - added support for incremental json parsing (still EXPERIMENTAL).
77 root 1.103 - implemented and added a json_xs command line utility that can convert
78     from/to a number of serialisation formats - tell me if you need more.
79 root 1.108 - implement allow_unknown/get_allow_unknown methods.
80 root 1.109 - fixed documentation of max_depth w.r.t. higher and equal.
81 root 1.112 - moved down =encoding directive a bit, too much breaks if it's the first
82 root 1.102 pod directive :/.
83 root 1.106 - removed documentation section on other modules, it became somewhat
84     outdated and is nowadays mostly of historical interest.
85 root 1.102
86 root 1.101 2.1 Wed Mar 19 23:23:18 CET 2008
87     - update documentation here and there: add a large section
88     about utf8/latin1/ascii flags, add a security consideration
89     and extend and clarify the JSON and YAML section.
90 root 1.98 - medium speed enhancements when encoding/decoding non-ascii chars.
91 root 1.100 - minor speedup in number encoding case.
92 root 1.92 - extend and clarify the section on incompatibilities
93     between YAML and JSON.
94 root 1.95 - switch to static inline from just inline when using gcc.
95 root 1.94 - add =encoding utf-8 to the manpage, now that perl 5.10 supports it.
96 root 1.100 - fix some issues with UV to JSON conversion of unknown impact.
97 root 1.99 - published the yahoo locals search result used in benchmarks as the
98     original url changes so comparison is impossible.
99 root 1.92
100 root 1.91 2.01 Wed Dec 5 11:40:28 CET 2007
101     - INCOMPATIBLE API CHANGE: to_json and from_json have been
102     renamed to encode_json/decode_json for JSON.pm compatibility.
103     The old functions croak and might be replaced by JSON.pm
104     comaptible versions in some later release.
105    
106 root 1.90 2.0 Tue Dec 4 11:30:46 CET 2007
107     - this is supposed to be the first version of JSON::XS
108     compatible with version 2.0+ of the JSON module.
109     Using the JSON module as frontend to JSON::XS should be
110     as fast as using JSON::XS directly, so consider using it
111     instead.
112 root 1.88 - added get_* methods for all "simple" options.
113 root 1.89 - make JSON::XS subclassable.
114 root 1.88
115 root 1.86 1.53 Tue Nov 13 23:58:33 CET 2007
116 root 1.85 - minor doc clarifications.
117     - fixed many doc typos (patch by Thomas L. Shinnick).
118    
119 root 1.84 1.52 Mon Oct 15 03:22:06 CEST 2007
120 root 1.83 - remove =encoding pod directive again, it confuses too many pod
121     parsers :/.
122    
123 root 1.82 1.51 Sat Oct 13 03:55:56 CEST 2007
124 root 1.81 - encode empty arrays/hashes in a compact way when pretty is enabled.
125 root 1.87 - apparently JSON::XS was used to find some bugs in the
126 root 1.80 JSON_checker testsuite, so add (the corrected) JSON_checker tests to
127     the testsuite.
128     - quite a bit of doc updates/extension.
129 root 1.79 - require 5.8.2, as this seems to be the first unicode-stable version.
130 root 1.78
131 root 1.77 1.5 Tue Aug 28 04:05:38 CEST 2007
132 root 1.74 - add support for tied hashes, based on ideas and testcase by
133     Marcus Holland-Moritz.
134 root 1.75 - implemented relaxed parsing mode where some extensions are being
135     accepted. generation is still JSON-only.
136 root 1.74
137     1.44 Wed Aug 22 01:02:44 CEST 2007
138 root 1.73 - very experimental process-emulation support, slowing everything down.
139     the horribly broken perl threads are still not supported - YMMV.
140    
141 root 1.72 1.43 Thu Jul 26 13:26:37 CEST 2007
142     - convert big json numbers exclusively consisting of digits to NV
143     only when there is no loss of precision, otherwise to string.
144    
145 root 1.71 1.42 Tue Jul 24 00:51:18 CEST 2007
146     - fix a crash caused by not handling missing array elements
147     (report and testcase by Jay Kuri).
148    
149 root 1.70 1.41 Tue Jul 10 18:21:44 CEST 2007
150     - fix compilation with NDEBUG (assert side-effect),
151     affects convert_blessed only.
152 root 1.69 - fix a bug in decode filters calling ENTER; SAVETMPS;
153     one time too often.
154 root 1.70 - catch a typical error in TO_JSON methods.
155 root 1.69 - antique-ised XS.xs again to work with outdated
156     C compilers (windows...).
157    
158 root 1.68 1.4 Mon Jul 2 10:06:30 CEST 2007
159 root 1.63 - add convert_blessed setting.
160 root 1.56 - encode did not catch all blessed objects, encoding their
161     contents in most cases. This has been fixed by introducing
162     the allow_blessed setting.
163 root 1.65 - added filter_json_object and filter_json_single_key_object
164     settings that specify a callback to be called when
165 root 1.67 all/specific json objects are encountered.
166 root 1.59 - assume that most object keys are simple ascii words and
167     optimise this case, penalising the general case. This can
168     speed up decoding by 30% in typical cases and gives
169     a smaller and faster perl hash.
170 root 1.58 - implemented simpleminded, optional resource size checking
171     in decode_json.
172 root 1.61 - remove objToJson/jsonToObj aliases, as the next version
173     of JSON will not have them either.
174 root 1.62 - bit the bullet and converted the very simple json object
175     into a more complex one.
176 root 1.64 - work around a bug where perl wrongly claims an integer
177     is not an integer.
178 root 1.65 - unbundle JSON::XS::Boolean into own pm file so Storable
179     and similar modules can resolve the overloading when thawing.
180 root 1.56
181 root 1.55 1.3 Sun Jun 24 01:55:02 CEST 2007
182 root 1.54 - make JSON::XS::true and false special overloaded objects
183     and return those instead of 1 and 0 for those json atoms
184     (JSON::PP compatibility is NOT achieved yet).
185     - add JSON::XS::is_bool predicate to test for those special
186     values.
187 root 1.52 - add a reference to
188     http://jpsykes.com/47/practical-csrf-and-json-security.
189 root 1.60 - removed require 5.8.8 again, it is just not very expert-friendly.
190     Also try to be more compatible with slightly older versions,
191 root 1.54 which are not recommended (because they are buggy).
192 root 1.52
193 root 1.51 1.24 Mon Jun 11 05:40:49 CEST 2007
194 root 1.49 - added informative section on JSON-as-YAML.
195 root 1.51 - get rid of some c99-isms again.
196 root 1.50 - localise dec->cur in decode_str, speeding up
197     string decoding considerably (>15% on my amd64 + gcc).
198     - increased SHORT_STRING_LEN to 16kb: stack space is
199     usually plenty, and this actually saves memory
200 root 1.51 when !shrinking as short strings will fit perfectly.
201 root 1.49
202 root 1.47 1.23 Wed Jun 6 20:13:06 CEST 2007
203 root 1.46 - greatly improved small integer encoding and decoding speed.
204     - implement a number of µ-optimisations.
205 root 1.47 - updated benchmarks.
206 root 1.46
207 root 1.45 1.22 Thu May 24 00:07:25 CEST 2007
208 root 1.42 - require 5.8.8 explicitly as older perls do not seem to offer
209     the required macros.
210 root 1.43 - possibly made it compile on so-called C compilers by microsoft.
211 root 1.42
212 root 1.41 1.21 Wed May 9 18:40:32 CEST 2007
213 root 1.47 - character offset reported for trailing garbage was random.
214 root 1.41
215 root 1.40 1.2 Wed May 9 18:35:01 CEST 2007
216     - decode did not work with magical scalars (doh!).
217 root 1.38 - added latin1 flag to produce JSON texts in the latin1 subset
218     of unicode.
219 root 1.39 - flag trailing garbage as error.
220     - new decode_prefix method that returns the number
221     of characters consumed by a decode.
222 root 1.40 - max octets/char in perls UTF-X is actually 13, not 11,
223     as pointed out by Glenn Linderman.
224     - fixed typoe reported by YAMASHINA Hio.
225 root 1.34
226 root 1.32 1.11 Mon Apr 9 07:05:49 CEST 2007
227     - properly 0-terminate sv's returned by encode to help
228     C libraries that expect that 0 to be there.
229 root 1.31 - partially "port" JSON from C to microsofts fucking broken
230     pseudo-C. They should be burned to the ground for pissing
231     on standards. And I should be stoned for even trying to
232 root 1.32 support this filthy excuse for a c compiler.
233 root 1.6
234 root 1.30 1.1 Wed Apr 4 01:45:00 CEST 2007
235 root 1.28 - clarify documentation (pointed out by Quinn Weaver).
236 root 1.29 - decode_utf8 sometimes did not correctly flag errors,
237     leading to segfaults.
238 root 1.30 - further reduced default nesting depth to 512 due to the test
239     failure by that anonymous "chris" whose e-mail address seems
240     to be impossible to get. Tests on other freebsd systems indicate
241     that this is likely a problem in his/her configuration and not this
242     module.
243     - renamed json => JSON in error messages.
244     - corrected the character offset in some error messages.
245 root 1.28
246 root 1.27 1.01 Sat Mar 31 16:15:40 CEST 2007
247     - do not segfault when from_json/decode gets passed
248     a non-string object (reported by Florian Ragwitz).
249     This has no effect on normal operation.
250    
251 root 1.25 1.0 Thu Mar 29 04:43:34 CEST 2007
252     - the long awaited (by me) 1.0 version.
253     - add \0 (JSON::XS::false) and \1 (JSON::XS::true) mappings to JSON
254     true and false.
255 root 1.24 - add some more notes to shrink, as suggested by Alex Efros.
256 root 1.25 - improve testsuite.
257 root 1.26 - halve the default nesting depth limit, to hopefully make it
258 root 1.25 work on Freebsd (unfortunately, the cpan tester did not
259     send me his report, so I cannot ask about the stack limit on fbsd).
260 root 1.24
261 root 1.23 0.8 Mon Mar 26 00:10:48 CEST 2007
262 root 1.21 - fix a memleak when decoding hashes.
263 root 1.20 - export jsonToBj and objToJson as aliases
264     to to_json and from_json, to reduce incompatibilities
265     between JSON/JSON::PC and JSON::XS. (experimental).
266 root 1.21 - implement a maximum nesting depth for both en- and de-coding.
267     - added a security considerations sections.
268 root 1.20
269 root 1.19 0.7 Sun Mar 25 01:46:30 CET 2007
270 root 1.16 - code cleanup.
271     - fix a memory overflow bug when indenting.
272     - pretty-printing now up to 15% faster.
273     - improve decoding speed of strings by
274     up to 50% by specialcasing short strings.
275     - further decoding speedups for strings using
276     lots of \u escapes.
277 root 1.17 - improve utf8 decoding speed for U+80 .. U+7FF.
278 root 1.16
279 root 1.15 0.5 Sat Mar 24 20:41:51 CET 2007
280 root 1.14 - added the UTF-16 encoding example hinted at in previous
281     versions.
282     - minor documentation fixes.
283 root 1.15 - fix a bug in and optimise canonicalising fastpath
284     (reported by Craig Manley).
285     - remove a subtest that breaks with bleadperl (reported
286     by Andreas König).
287 root 1.14
288 root 1.13 0.31 Sat Mar 24 02:14:34 CET 2007
289 root 1.12 - documentation updates.
290 root 1.13 - do some casting to hopefully fix Andreas' problem.
291     - nuke bogus json rpc stuff.
292 root 1.12
293 root 1.11 0.3 Fri Mar 23 19:33:21 CET 2007
294 root 1.5 - remove spurious PApp::Util reference (John McNamara).
295     - adapted lots of tests from other json modules
296     (idea by Chris Carline).
297 root 1.9 - documented mapping from json to perl and vice versa.
298 root 1.11 - improved the documentation by adding more examples.
299 root 1.5 - added short escaping forms, reducing the created
300     json texts a bit.
301     - added shrink flag.
302     - when flag methods are called without enable argument
303     they will by default enable their flag.
304     - considerably improved string encoding speed (at least
305     with gcc 4).
306 root 1.7 - added a test that covers lots of different characters.
307     - clarified some error messages.
308     - error messages now use correct character offset
309     with F_UTF8.
310 root 1.8 - improve the "no bytes" and "no warnings" hacks in
311     case the called functions do... stuff.
312 root 1.9 - croak when encoding to ascii and an out-of-range
313     (non-unicode) codepoint is encountered.
314 root 1.4
315 root 1.3 0.2 Fri Mar 23 00:23:34 CET 2007
316 root 1.109 - the "could not sleep without debugging release".
317 root 1.3 it should basically work now, with many bugs as
318     no production tests have been run yet.
319     - added more testcases.
320     - the expected shitload of bugfixes.
321     - handle utf8 flag correctly in decode.
322     - fix segfault in decoder.
323     - utf8n_to_uvuni sets retlen to -1, but retlen is an
324     unsigned types (argh).
325     - fix decoding of utf-8 strings.
326     - improved error diagnostics.
327     - fix decoding of 'null'.
328     - fix parsing of empty array/hashes
329     - silence warnings when we prepare the croak message.
330    
331 root 1.2 0.1 Thu Mar 22 22:13:43 CET 2007
332     - first release, very untested, basically just to claim
333     the namespace.
334 root 1.1
335     0.01 Thu Mar 22 06:08:12 CET 2007
336     - original version; cloned from Convert-Scalar
337