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* xpath.c: Removed a memcpy if xmlXPathNodeSetMerge(); it
seems we really need to walk the whole list, since those
nastly namespace nodes need to be added with
xmlXPathNodeSetDupNs(); thus a pure memcpy is not possible.
A flag on the node-set indicating if namespace nodes are in
the set would help here; this is the 3rd flag which would
be usefull with node-sets. The current flags I have in mind:
1) Is a node-set already sorted?
This would allow for rebust and optimizable sorting
behaviour.
2) Of what type are the nodes in the set (or of mixed type)?
This would allow for faster merging of node-sets.
3) Are namespace nodes in the set?
This would allow to skipp all the namespace node specific
special handling. Faster node-set merging if the first
set is empty; just memcpy the set.
* xpath.c: Optimization of count(): eliminated sorting
(see bug #165547). Optimization of XPATH_OP_FILTER if the
predicate is a [1] (disable with XP_OPTIMIZED_FILTER_FIRST if
it produces trouble). Tiny opt in xmlXPathNodeSetMerge().
* xpath.c: Substituted all remaining calls to xmlXPathCmpNodes()
for xmlXPathCmpNodesExt(). Tiny further enhancement of
xmlXPathCmpNodesExt(). Added additional checks in various code
parts to avoid calling sorting or merging functions if the
node-set(s) don't need them; i.e., if they are empty or contain
just one node.
* xpath.c: Optimized the comparison for non-element nodes
in xmlXPathCmpNodesExt(); the comparison is used for sorting
of node-sets. This enhancement is related to bug #165547.
There are other places where the old comparison function
xmlXPathCmpNodes() is still called, but I currently don't
know exactly what those calls are for; thus if they can be
substituted (if it makes sense) for the new function.
* xpath.c: Applied patch from Rob Richards, fixing a potential
memory leak in xmlXPathTryStreamCompile(), when a list of
namespaces was assigned to the XPath compilation context;
here a new namespace list was created and passed to
xmlPatterncompile(); but this list was not freed afterwards.
Additionally we avoid now in xmlXPathTryStreamCompile() to
compile the expression, if it has a colon - indicating
prefixed name tests - and no namespace list was given. The
streaming XPath mechanism needs a namespace list at
compilation time (unlike normal XPath, where we can bind
namespace names to prefixes at execution time).
* pattern.c: Enhanced to use a string dict for local-names,
ns-prefixes and and namespace-names.
Fixed xmlStreamPushInternal() not to use string-pointer
comparison if a dict is available; this won't work, since
one does not know it the given strings originate from the
same dict - and they normally don't do, since e.g.
namespaces are hold on xmlNs->href. I think this would be
worth an investigation: if we can add a @doc field to xmlNs
and put the @href in to a additionan namespace dict hold
in xmlDoc. Daniel will surely not like this idea :-) But
evaluation of tons of elements/attributes in namespaces
with xmlStrEqual() isn't the way we should go forever.
* xmlschemas.c: Fixed bug #341337, reported by David Grohmann.
The code expected a node (xmlNodePtr) on the info for a
non-existent default attribute, which clearly cannot be
expected, since the attribute does not exist. I can only
guess that this sneaked trying to eliminate the query
for the owner-element, which is unavoidable actually.
Note that creation of default attributes won't have an
effect if validating via SAX/XMLReader; i.e., the processor
won't fire additional start-attribute events (I'm not even
sure if Libxml2 has such a SAX-event; I think it hands them
all over in the start-element event).
* xmlschemas.c: Fixed bug #341150, reported by Michael Romer.
In xmlSchemaBuildContentModelForSubstGroup(),
xmlAutomataNewOnceTrans2() was incorrectly used instead of
xmlAutomataNewTransition2() to mimic a xs:choice for
substitution-groups.
* test/schemas/subst-group-1_1.xsd
test/schemas/subst-group-1_0.xml
result/schemas/subst-group-1_0_1
result/schemas/subst-group-1_0_1.err: Added regression test
supplied by Michael Romer for bug #341150.
* xmlschemas.c: We'll raise an internal error and stop
validation now when an entity is found in the instance
document, since we don't support automatic entity
substitution by the schema processor (yet?) -
see bug #340316, reported by Nick Wellnhofer.
* configure.in: applied another Python detection patch from Joseph Sacco
* libxml.spec.in: cleanup the changelog section, asciifies the spec file
too
Daniel
* chvalid.c genChRanges.py genUnicode.py xmlunicode.c
include/libxml/chvalid.h include/libxml/xmlunicode.h: applied
patches from Aivars Kalvans to make unicode tables const, fixes
bug #336096, this also updates to Unicode 4.01 final with a couple
of character ranges fixes.
Daniel
* 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
* runtest.c schematron.c testAutomata.c tree.c valid.c xinclude.c
xmlcatalog.c xmlreader.c xmlregexp.c xpath.c: end of first
pass on coverity reports.
Daniel
* tree.c: Simplified usage of the internal xmlNsMap. Added a
"strict" lookup for namespaces based on a prefix. Fixed a
namespace processing issue in the clone-node function, which
occured if a @ctxt argument was given.
* tree.c: Bundled lookup of attr-nodes and retrieving their
values into the functions xmlGetPropNodeInternal() and
xmlGetPropNodeValueInternal(). Changed relevant code
to use those functions.
* tree.c: Fix the add sibling functions when passing attributes.
Modify testing for ID in xmlSetProp.
No longer remove IDness when unlinking or replacing an attribute.
* xmlschemas.c xmlschemastypes.c: Fixed xs:boolean to reject
the empty string (reported by Bas Driessen on the mailing-list).
Fixed schema XSI-acquisition and construction: the schemata
(xmlSchema) didn't get the targetNamespace in some cases, thus
the component resolution mechanism failed to work. The XSI
stuff needs to be tested more intensively; think about how
to test this for regression.
