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https://gitlab.gnome.org/GNOME/libxml2.git
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c2f4da1a93
Consolidate code paths evaluating XPath predicates and filters. Don't push context node on stack when evaluating predicates. I have no idea why this was done. It seems completely useless and trying to pop the context node from a corrupted stack has already caused security issues. Filter nodesets in-place and don't create node sets with NULL gaps which allows to simplify merging a great deal. Simply move matched nodes backward and create a compact node set. Merge xmlXPathCompOpEvalPositionalPredicate into xmlXPathCompOpEvalPredicate.
18 lines
455 B
Plaintext
18 lines
455 B
Plaintext
/child::EXAMPLE
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/child::*
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/child::EXAMPLE/child::head
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/child::EXAMPLE/child::*
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/child::EXAMPLE/child::head/child::title
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/child::EXAMPLE/child::head/child::title/child::text()
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/child::EXAMPLE/child::head/node()
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/descendant::title
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/descendant::p/ancestor::chapter
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//p[1]
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//p[0 div 0]
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//p[100000000000000000000]
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//p[-100000000000000000000]
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//chapter[true()][position() mod 2 = 1][true()][2]
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//chapter[true()][2][true()]
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//node()[false()]
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(//node())[false()]
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