1 $Id: Changes,v 1.80 2008-06-17 10:32:03 mike Exp $
3 Revision history for Perl extension Net::Z3950::ZOOM.
5 1.24 Tue Jun 17 11:31:08 BST 2008
6 - When Net::Z3950::ZOOM::record_get() fetches an XML record
7 because the requested OPAC record is empty, it now wraps it
8 in an OPAC wrapper, making the difference invisible to
11 1.23 Mon Jun 9 14:53:15 BST 2008
12 - Net::Z3950::ZOOM::record_get() now patches around the
13 problem of naughty servers that refuse to return anything
14 for an OPAC record when there is no non-bibliographic part,
15 by falling back on requesting an XML record in such cases.
17 1.22 Tue May 27 14:00:12 BST 2008
18 - Fix Net::Z3950::ZOOM::record_get() to use a struct datachunk
19 _when_ appropriate, e.g. for "render" not for "database" and
21 - Remove the unused $len reference parameter from record_get()
22 and $record->get(): this is now used in the underlying C
23 layer to make Perl strings of the right length, and is of no
24 value higher up the stack.
25 - Fix a bug in ZOOM::ResultSet::records(): requests including
26 the last record in the set were incorrectly declined.
27 - Better Debian packaging: use "make debian" to create new
28 "debian/output" directory containing .deb package file,
30 - Clear up a few warnings in ZOOM.xs
31 - Minor documentation improvements.
33 1.21 Mon Oct 29 12:07:25 GMT 2007
34 - In the "typemap" file's handling of opaquechar*, use STRLEN
35 type for _unused_len in instead of unsigned: this prevents a
36 (possibly serious) warning on some 64-bit architectures,
37 although applications that do not use the option_binary()
38 methods will be safe with the previous release.
39 - Add explicit "#include <yaz/log.h>" to ZOOM.xs in the hope
40 of preventing undeclared-function warnings that some users
41 have reported but which I have been unable to reproduce.
43 1.20 Fri Sep 21 17:51:55 BST 2007
44 - Add new sample program, samples/zoom/zoomscan.pl
45 - samples/zoom/zoomtst1.pl now accepts arbitrary options at
46 the end of the command-line, so that (for example) you can
47 specify a non-USMARC record syntax.
48 - Add new functions Net::Z3950::ZOOM::diag_srw_str() and
49 ZOOM::diag_srw_str() to map SRW diagnostic codes into
50 human-readable messages.
51 - ZOOM::Exception() constructor uses diag_srw_str() to fill in
52 the error message, if it is undefined, for SRW errors.
53 - The render() method of ZOOM::Exception(), and therefore the
54 overloaded stringifying operator, deals with exceptions that
56 - Corrected the scan parts of the test-suite that use CQL so
57 that they explicitly perform client-side CQL compilation and
58 send the resulting Type-1 query. Previously, these tests
59 were (accidentally) requesting that CQL be sent as-is to the
60 server, but this mistake was being masked by an error in
61 older versions of ZOOM-C that compiled client-side anyway!
63 1.19 Mon Jul 9 14:09:31 BST 2007
64 - Add $conn->exception() method.
65 - Set version number for Net::Z3950 to 0.99 -- less than the
66 1.0 version number that will be used when it successfully
67 emulates the old Net::Z3950 module, but superseding the last
68 release, 0.51, of that module.
69 - Include samples/zoom/zdump.pl in distribution.
70 - Add "irspy" namespace to samples/zoom/zselect
72 1.18 Mon Feb 26 14:57:48 GMT 2007
73 - When a connection is in asynchronous mode, failing
74 operations (search, scan, etc.) no longer throw exceptions.
75 This is because the event-loop in asychronous applications
76 needs to check for errors anyway, in case the server has
77 returned high-level diagnostics such as "unsupported use
78 attribute". So this check within the event-loop is now the
79 only place where error-checking need be done.
80 - Add new public ZOOM::Connection() function, check(), which
81 throws an exception if an error is pending (even if the
82 connection is asynchronous).
83 - New YAZ logging level, "zoom_check", notes when errors are
84 detected and either left unreported (asynchronous
85 connections) or thrown as exception (synchronous).
87 1.17 Thu Feb 22 20:38:45 GMT 2007
88 - Change Net::Z3950::ZOOM::event() to allocate its array of
89 connection pointers dynamically, so there is no longer an
90 arbitrary limit of 100.
91 - New connection-level option "_check_debug" emits messages on
92 standard error when checking a connection find an error that
93 is about to result in throwing an exception. There is no
94 reason for you ever to use this, though -- pretend you don't
97 1.16 Tue Jan 16 11:18:34 GMT 2007
98 - Require version 2.1.41 or better of YAZ, so that Init
99 Response options are available using
100 $conn->option("init_opt_sort") etc.
101 - Include samples/zoom/zhello.pl to exercise these options.
102 - Add ZOOM_connection_peek_event() and $conn->peek_event().
103 - Require YAZ version 2.1.45, which is the first to provide
104 ZOOM_connection_peek_event().
106 1.15 Fri Dec 1 14:17:49 GMT 2006
107 - ZOOM::Error::INIT is renamed to ZOOM::Error::ZINIT, since
108 INIT is a reserved word in Perl. In version 1.14 and
109 earlier, "require ZOOM" would fail, saying "Too late to run
110 INIT block", and "use ZOOM" would result in
111 ZOOM::Error::INIT having a value equal to its name (why?!)
112 rather than, as intended, Net::Z3950::ZOOM::ERROR_INIT.
113 - Belatedly added documentation for $rec->error() and
116 1.14 Tue Nov 28 17:33:07 GMT 2006
117 - Add $record->error() to return non-surrogate diagnostics,
118 and $record->exception() to return the same information
119 wrapped in a ZOOM::Exception object.
120 - Requires YAZ 2.1.40, which provides ZOOM_record_error().
121 - $conn->error_x() now returns the error-code when called in
122 scalar context, rather than the diagnostic set name.
124 1.13 Sat Nov 4 16:47:00 GMT 2006
125 - ZOOM::Connection::create() may now take either a single
126 argument, which is a ZOOM::Options object, or any even
127 number of argument (including zero), which are key => value
128 pairs of options to set.
129 - ZOOM::Connection::new(), having been refactored to use
130 create(), can now also take a ZOOM::Options argument.
131 - Documentation now includes information on specifying SRW,
132 SRU-over-GET and SRU-over-POST connections.
133 - ZOOM::ResultSet::record() throws a diagnostic if asked to
134 retrieve records out of range for the result-set.
135 - All tests against indexdata.com are now explicitly against
136 z3950.indexdata.com, as the identity of the former name has
139 1.12 (NEVER PUBLICLY RELEASED; these changes are included in 1.13)
140 - Include the useful example program samples/zoom/zselect,
141 which is installed as part of "make install".
142 - Add ZOOM_connection_is_idle() and $conn->is_idle().
143 - Require YAZ version 2.1.35, which is the first to provide
144 ZOOM_connection_is_idle().
145 - Fix bug in ZOOM::Connection class code that made the
146 difficult to subclass -- when called as
147 $class->SUPER::new(@_), the constructor blessed the new
148 object into ZOOM::Connection rather than info the subclass.
150 1.11 Thu Aug 31 16:47:53 BST 2006
151 - Require YAZ version 2.1.17, which has important ZOOM-C
153 - Do not use "-Wdeclaration-after-statement" compiler option,
154 since this supported only by GCC (and only recent versions).
156 1.10 Thu Jun 15 16:42:47 BST 2006
157 - No functional changes, but use Adam's modified API to
158 ZOOM_query_ccl2rpn(). This incompatible change means that
159 RELEASE 1.09 WILL NOT BUILD against any recent YAZ.
161 1.09 Tue Jun 13 17:44:43 2006
162 - Add new function Net::Z3950::ZOOM::query_ccl2rpn(), for
163 client-side CCL compilation.
164 - Add new ZOOM::Query::CCL2RPN class, encapsulating CCL
165 compiler functionality as a Query subclass. This allows
166 client-side CCL to be used for both search and scan.
167 - Add two new error-codes, CCL_CONFIG and CCL_PARSE,
168 returned by the client-side CCL facilities.
169 - Supply a sample CCL profile file: samples/ccl/default.bib,
170 copied from the same-named file distributed with YAZ.
171 - The test-scripts t/12-query.t and t/22-query.t are extended
172 to also test client-side CCL searching.
173 - The test-scripts t/15-scan.t and t/25-scan.t are extended
174 to also test client-side CCL scanning.
175 - Documentation updated to describe use of CCL.
176 - Add a nice, simple update client: samples/zoom/update.pl
178 1.08 Thu May 11 22:40:41 BST 2006
179 - Requires version 2.1.11 of YAZ, not 2.0.11. This is a
180 bugfix: the old reliance on 2.0.11 was merely a typo.
182 1.07 Thu May 11 17:45:37 BST 2006
183 - Makefile.PL checks for at least version 2.1.11 of YAZ, and
184 refuses to build if it's not present. Thanks to "gregor"
185 (an otherwise anonymous CPAN tester) for notifying me of the
186 previously poor reporting of failure when running against an
188 - No changes to functionality or documentation.
190 1.06 Wed Apr 19 21:11:52 BST 2006
191 - Avoid mixed statement/declaration in ZOOM.xs. *sigh* Why
192 the heck GCC allows this by default I will never understand.
193 - Add (commented out) OPTIMIZE option to Makefile.PL, to turn
194 on -Wdeclaration-after-statement, which makes mixed
195 statement/declaration illegal.
197 1.05 Wed Apr 12 13:31:27 BST 2006
198 - Implementation of asynchronous events! The Net::Z3950::ZOOM
199 interface provides this through the event, last_event() and
200 event_str() functions. The ZOOM interface provides it
201 through the ZOOM::event() and ZOOM:event_str() functions,
202 and the ZOOM::Connection class's last_event() function.
203 - New sample programs added illustrating both asynchronous
204 interfaces: samples/net-z3950-zoom/zoomtst3.pl and
205 samples/zoom/zoomtst3.pl respectively. Additional sample
206 programs "async.pl" and "trivial-async.pl" for the ZOOM
207 interface only, the latter being a "shortest possible
208 broadcast search application".
209 - Added documentation on writing asynchronous applications.
210 - Added test-scripts "t/19-events.t" and "t/29-event.t" for
211 events on an asynchronous connection.
212 - Fix ZOOM::Connection::new so that options are handled in
213 accordance with the documentation: applied _before_ the
214 connection is forged, so that "async" and similar options
217 1.04 Mon Apr 3 14:56:11 BST 2006
218 - The ZOOM-Perl layer now provides access to the underlying
219 ZOOM-C's character-translation functionality, through new
220 optional arguments to ZOOM::Record's render() and raw()
221 methods, and a new underlying get() method.
223 1.03 Thu Mar 9 12:55:23 GMT 2006
224 - Allow additional key => value pairs as arguments to the
225 ZOOM::Connectoion constructor; these are added as Connection
226 options before the protocol connection is forged.
228 1.02 Thu Mar 9 11:36:55 GMT 2006
229 - Add interface to yaz_version().
230 - Emit big warning at startup time if YAZ version is less than
231 2.0.11 (which is what ZOOM-Perl 1.02 requires) unless the
232 file /tmp/ignore-ZOOM-YAZ-version-mismatch exists.
233 - Fix incorrect ZOOM-package URL in documentation.
234 - Fix typo ("createdb" package) in documentation.
235 - The ZOOM::Connection constructor may now be called with only
236 a single argument (host-string) and does not require a
237 dummy port-number argument.
239 1.01 Thu Dec 22 14:13:34 GMT 2005
240 - Place some CODE: chunks in "ZOOM.xs" inside curly brackets
241 so that the declarations they begin with are at the start of
242 the block. This avoid mixed code/declarations. (The
243 "correct" solution is to use INIT: clauses in the XS file,
244 but they don't seem to work: the code in them is slapped
245 down right next to the CODE:, so declarations are not
246 acceptable there either.)
247 - Add new function Net::Z3950::ZOOM::connection_scan1(), which
248 uses a query object to indicate the start-term. This opens
249 the way for using CQL queries for scanning once the
250 underlying ZOOM-C code supports this.
251 - NOTE BACKWARDS-INCOMPATIBLE CHANGE: The ZOOM::Connection
252 method scan() is renamed scan_pqf(), and a new scan() method
253 is introduced which calls the underlying scan1() function.
254 Thus the scan()/scan_pqf() dichotomy is consistent with that
255 between search()/search_pqf().
256 - The tests t/15-scan.t and t/25-scan.t now also test for
257 scanning by CQL query. To support these tests, a new files
258 is added to the distribution, "samples/cql/pqf.properties"
259 - Remove nonsensical clause about CQL sort-specifications from
261 - Add new function Net::Z3950::ZOOM::query_cql2rpn(), for
262 client-side CQL compilation.
263 - Add new ZOOM::Query::CQL2RPN class, encapsulating CQL
264 compiler functionality as a Query subclass.
265 - Add two new error-codes, CQL_PARSE and CQL_TRANSFORM,
266 returned by the client-side CQL facilities.
267 - The test-scripts t/12-query.t and t/22-query.t are extended
268 to also test client-side CQL compilation.
269 - Add all the yaz_log*() functions within the Net::Z3950::ZOOM
271 - Add new ZOOM::Log class for logging, providing aliases for
272 the functions in the Net::Z3950::ZOOM layer.
273 - Add diagnostic set to rendering of Exception objects.
274 - Documentation added for CQL compilation and logging.
276 1.00 Wed Dec 14 11:18:33 GMT 2005
277 - First distributed version.
279 0.01 Fri Oct 7 16:14:20 2005
280 - original version; created by h2xs 1.23 with options
281 --name=Net::Z3950::ZOOM --compat-version=5.8.0 \
282 --omit-constant --skip-exporter --skip-ppport \
283 --autogen-xsubs yaz/zoom.h -lyaz -lxml2
287 To be done in future releases:
288 - Complete, test and document "update.pl"
289 - Create old-style Net::Z3950 compatibility layer.
290 - Fix memory leaks in callback functions for option sets.
291 - Fix limitation that option-set callback functions must be
292 specified as strings containing package-qualified function