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Commit Graph

11 Commits

Author SHA1 Message Date
Nick Wellnhofer
145170125a Fix parsing of subtracted regex character classes
Fixes #370.
2022-04-23 19:22:42 +02:00
Nick Wellnhofer
ea6e8f998d Fix certain combinations of regex range quantifiers
Fix regex transitions that have both min/max and a counter. In this
case, we want to save the regex state before incrementing the counter.

Fixes #301 and the issue reported here:

https://mail.gnome.org/archives/xml/2016-April/msg00017.html
2022-02-28 16:56:02 +01:00
Nick Wellnhofer
382fb056b5 Fix range quantifier on subregex
Make sure to add counted exit transitions before other counter
transitions. Otherwise, we won't backtrack correctly.

Fixes #65.
2022-02-28 16:56:02 +01:00
David Kilzer
6b4717d61d Add regexp regression tests
- Bug 757711: heap-buffer-overflow in xmlFAParsePosCharGroup
  <https://bugzilla.gnome.org/show_bug.cgi?id=757711>
- Bug 783015 - Integer-overflow in xmlFAParseQuantExact
  <https://bugzilla.gnome.org/show_bug.cgi?id=783015>

(Regexptests): Add support for checking stderr output when
running regexp tests.  This makes it possible to check in test
cases that fail and not see false-positive error output when
running the tests.  Unlike other libxml2 test suites, if there
is no stderr output, no *.err file needs to be created.
2020-07-06 12:37:53 +02:00
Nick Wellnhofer
c2b0a184a9 Fix empty branch in regex
Fixes bug 649244:
https://bugzilla.gnome.org/show_bug.cgi?id=649244

Closes #57.
2019-09-25 14:22:47 +02:00
Daniel Veillard
c821e03c66 another nasty regexp case fixed. added to regression suite Daniel
* xmlregexp.c: another nasty regexp case fixed.
* test/regexp/ranges2 result/regexp/ranges2: added to regression
  suite
Daniel

svn path=/trunk/; revision=3658
2007-08-28 17:33:45 +00:00
William M. Brack
a9cbf28361 fixed problem with 0x2d in Char Range (bug #420596) added regression test
* xmlregexp.c: fixed problem with 0x2d in Char Range (bug #420596)
* test/regexp/bug420596, result/regexp/bug420596: added regression
  test for this

svn path=/trunk/; revision=3594
2007-03-21 13:16:33 +00:00
Daniel Veillard
54eb0243c4 applied patch from Youri Golovanov fixing bug #316338 and adding a couple
* xmlregexp.c: applied patch from Youri Golovanov fixing bug
  #316338 and adding a couple of optimizations in the regexp
  compilation engine.
* test/regexp/bug316338 result/regexp/bug316338: added regression
  tests based on the examples provided in the bug report.
Daniel
2006-03-21 23:17:57 +00:00
Daniel Veillard
fc6eca0d81 fix bug #319897, problem with counted atoms when the transition itself is
* xmlregexp.c: fix bug #319897, problem with counted atoms
  when the transition itself is counted too
* result/regexp/hard test/regexp/hard: augmented the regression
  tests with the problem exposed.
Daniel
2005-11-01 15:24:02 +00:00
Daniel Veillard
2cbf596c7f patched a bug in parsing production 1 and 2 of xmlschemas regexp that
* xmlregexp.c: patched a bug in parsing production 1 and 2 of
  xmlschemas regexp that William pointed out while working on
  #134120
* test/regexp/branch result/regexp/branch: added a specific
  regression test
Daniel
2004-03-31 15:50:43 +00:00
Daniel Veillard
4255d50415 merged the current state of XML Schemas implementation, it is not
* Makefile.am TODO_SCHEMAS configure.in genUnicode.py testAutomata.c
 testRegexp.c testSchemas.c xmlregexp.c xmlschemas.c xmlschemastypes.c
 xmlunicode.c include/libxml/Makefile.am
 include/libxml/schemasInternals.h include/libxml/xmlautomata.h
 include/libxml/xmlregexp.h include/libxml/xmlschemas.h
 include/libxml/xmlschemastypes.h include/libxml/xmlunicode.h
 include/libxml/xmlversion.h.in : merged the current state of
 XML Schemas implementation, it is not configured in by default,
 a specific --schemas configure option has been added.
* test/automata test/regexp test/schemas Makefile.am
  result/automata result/regexp result/schemas:
  merged automata/regexp/schemas regression tests
Daniel
2002-04-16 15:50:10 +00:00