[Webkit-unassigned] [Bug 26005] New: Optimization for XPath //* does not preserve context size
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon May 25 00:33:46 PDT 2009
https://bugs.webkit.org/show_bug.cgi?id=26005
Summary: Optimization for XPath //* does not preserve context
size
Product: WebKit
Version: 528+ (Nightly build)
Platform: All
OS/Version: All
Status: NEW
Severity: Normal
Priority: P2
Component: XML
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: ap at webkit.org
//* is an abbreviated form for /descendant-or-self::node()/child::*. When
applying predicates to the last step, the context should contain all children
elements of a given node, so e.g. //*[2] locates all second children elements
in document.
We wrongfully optimize this to /descendant:node()/self::*, so the context for
predicates always contains a single element.
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