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* include/wsockcompat.h win32/Makefile.bcb xpath.c: fixes for
Borland/CodeGear/Embarcadero compilers by Eric Zurcher
Daniel
svn path=/trunk/; revision=3822
* include/libxml/parser.h include/libxml/xmlwriter.h
include/libxml/relaxng.h include/libxml/xmlversion.h.in
include/libxml/xmlwin32version.h.in include/libxml/valid.h
include/libxml/xmlschemas.h include/libxml/xmlerror.h:
port patch from Marcus Meissner to add gcc checking for
printf like functions parameters, should fix#65068
* doc/apibuild.py doc/*: modified the script accordingly
and regenerated
* xpath.c xmlmemory.c threads.c: fix a few warnings
Daniel
svn path=/trunk/; revision=3813
* schematron.c xpath.c: applied a couple of patches from Martin
avoiding some leaks, fixinq QName checks in XPath, XPath debugging
and schematron code cleanups.
* python/tests/Makefile.am python/tests/xpathleak.py: add the
specific regression tests, just tweak it to avoid output by default
Daniel
svn path=/trunk/; revision=3791
* nanohttp.c: fixed problem on gzip streams (bug #438045)
* xpath.c: fixed minor spot of redundant code - no logic change.
svn path=/trunk/; revision=3616
* xpath.c: enhanced the coding for xmlXPathCastNumberToString
in order to produce the required number of significant digits
(bug #437179)
svn path=/trunk/; revision=3615
* xpath.c: fixed xmlXPathCmpNodes for incorrect result on certain
cases when comparing identical nodes (bug 415567) with patch
from Oleg Paraschenko
svn path=/trunk/; revision=3587
* xpath.c: Changed xmlXPathCollectAndTest() to use
xmlXPathNodeSetAddNs() when adding a ns-node in case of
NODE_TEST_TYPE (the ns-node was previously added plainly
to the list). Since for NODE_TEST_ALL and NODE_TEST_NAME
this specialized ns-addition function was already used,
I assume it was missed to be used with NODE_TEST_TYPE.
* xpath.c: Enhanced xmlXPathCompOpEvalToBoolean() to be also
usable outside predicate evaluation; the intention is to
use it via xmlXPathCompiledEvalToBoolean() for XSLT tests,
like in <xsl:if test="/foo">.
* xpath.c: Added xmlXPathCompiledEvalToBoolean() to the API and
adjusted/added xmlXPathRunEval(), xmlXPathRunStreamEval(),
xmlXPathCompOpEvalToBoolean(), xmlXPathNodeCollectAndTest()
to be aware of a boolean result request. The new function
is now used to evaluate predicates.
* xpath.c: Fixed an bug in xmlXPathCompExprAdd(): the newly
introduced field @rewriteType on xmlXPathStepOp was not
initialized to zero here; this could lead to the activation
of the axis rewrite code in xmlXPathNodeCollectAndTest() when
@rewriteType is randomly set to the value 1. A test
(hardcoding the intial value to 1) revealed that the
resulting incorrect behaviour is similar to the behaviour
as described by Arnold Hendriks on the mailing list; so I
hope that will fix the issue.
* xpath.c: Fixed an error in xmlXPathEvalExpr(), which
was introduced with the addition of the d-o-s rewrite
and made xpath.c unable to compile if XPATH_STREAMING
was not defined (reported by Kupriyanov Anatolij -
#345752). Fixed the check for d-o-s rewrite
to work on the correct XPath string, which is ctxt->base
and not comp->expr in this case.
* xpath.c: Fixed self-invented a segfault in xmlXPathCtxtCompile(),
when the expression was not valid and @comp was NULL and I
tried to do the d-o-s rewrite.
* xpath.c: Enabled the compound traversal again; I added a
check to use this only if the have an expression starting
with the document node; so in the case of "//foo", we
already know at compilation-time, that there will be only
1 initial context node. Added the rewrite also to
xmlXPathEvalExpr().
* xpath.c include/libxml/xpath.h runsuite.c:
Changed the name of the recently added public function
xmlXPathContextSetObjectCache() to
xmlXPathContextSetCache(); so a more generic one, in
case we decide to cache more things than only XPath
objects.
* xpath.c: Optimized xmlXPathNodeCollectAndTest() and
xmlXPathNodeCollectAndTestNth() to evaluate a compound
traversal of 2 axes when we have a "//foo" expression.
This is done with a rewrite of the XPath AST in
xmlXPathRewriteDOSExpression(); I added an additional field
to xmlXPathStepOp for this (but the field's name should be
changed). The mechanism: the embracing descendant-or-self
axis traversal (also optimized to return only nodes which
can hold elements), will produce context nodes for the
inner traversal of the child axis. This way we avoid a full
node-collecting traversal of the descendant-or-self axis.
Some tests indicate that this can reduce execution time of
"//foo" to 50%. Together with the XPath object cache this
all significantly speeds up libxslt.
* xpath.c: Enhanced xmlXPathNodeCollectAndTest() to avoid
recreation (if possible) of the node-set which is used to
collect the nodes in the current axis for the currect context
node. Especially for "//foo" this will decrease dramatically
the number of created node-sets, since for each node in the
result node-set of the evaluation of descendant-or-self::node()
a new temporary node-set was created. Added node iterator
xmlXPathNextChildElement() as a tiny optimization for
child::foo.
* xpath.c include/libxml/xpath.h: Added an XPath object cache.
It sits on an xmlXPathContext and need to be explicitely
activated (or deactivated again) with
xmlXPathContextSetObjectCache(). The cache consists of 5
lists for node-set, string, number, boolean and misc XPath
objects. Internally the xpath.c module will use object-
deposition and -acquisition functions which will try to reuse
as many XPath objects as possible, and fallback to normal
free/create behaviour if no cache is available or if the cache
is full.
* runsuite.c: Adjusted to deactivate the cache for XML Schema
tests if a cache-creation is turned on by default for the whole
library, e.g. for testing purposes of the cache. It is
deactivated here in order to avoid confusion of the memory leak
detection in runsuite.c.
* 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.
* 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
* pattern.c xpath.c include/libxml/pattern.h:
Fixed bug #322928, reported by Erich Schubert: The bug was
in pattern.c, which is used for a tiny subset of xpath
expression which can be evaluated in an optimized way.
The doc-node was never considered when evaluating "//"
expressions. Additionally, we fixed resolution
to nodes of any type in pattern.c; i.e. a "//." didn't work
yet, as it did select only element-nodes. Due to this
issue the pushing of nodes in xpath.c needed to be adjusted
as well.
* pattern.c xpath.c include/libxml/pattern.h: fixing yet another
pattern induced XPath bug #314282
* relaxng.c: reverted back last change it was seriously broken
Daniel
* xpath.c: removed a potentially uninitialized variable error
* python/generator.py: fixed a deprecation warning
* python/tests/tstLastError.py: silent the damn test when Okay !
Daniel
* HTMLparser.c SAX2.c encoding.c globals.c parser.c relaxng.c
runsuite.c runtest.c schematron.c testHTML.c testReader.c
testRegexp.c testSAX.c testThreads.c valid.c xinclude.c xmlIO.c
xmllint.c xmlmodule.c xmlschemas.c xpath.c xpointer.c: a lot of
small cleanups based on Linus' sparse check output.
Daniel
* pattern.c include/libxml/pattern.h: changed xmlPatterncompile
signature to pass an int and not an enum since it can generate
ABI compat troubles.
* include/libxml/schematron.h schematron.c: adding the new
schematron code, work in progress lots to be left and needing
testing
* include/libxml/xmlversion.h.in include/libxml/xmlwin32version.h.in
Makefile.am configure.in: integration of schematron into the
build
* xpath.c include/libxml/xpath.h: adding flags to control compilation
options right now just XML_XPATH_CHECKNS.
Daniel
* xpath.c: Changed the behaviour of xmlXPathEqualNodeSetFloat to
return TRUE if a nodeset with a numeric value of NaN is compared
for inequality with any numeric value (bug 309914).
