[Bug 65659] make for large projects halts main application UI

[Justin Randall]

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http://bugs.kde.org/show_bug.cgi?id=65659     




------- Additional Comments From logic at jrlogic.dyndns.org  2003-10-10 13:34 -------
Created an attachment (id=2729)
 --> (http://bugs.kde.org/attachment.cgi?id=2729&action=view)
This patch fixes extremely poor performance (> 20 second hangs) in directory
enter/leave parsing when scanning large strings.

QString finds are first performed against the input line to avoid the very
expensive QRegExp::search. In testing, there was no noticable slowdown compared
to the previous version, and it dramatically improved performance in cases
where the input line was large (always a case that never involved directory
enters/leaves anyway).