* evaluate chains of ||, &&, and string concatenation non-recursively
* limit other types of recursion to 20 levels
* avoid some string copies if concatenating more than 2 strings
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1204087 13f79535-47bb-0310-9956-ffa450edef68
- implement regex backreferences and make them available for setting
envvars in SetEnvIfExpr
- implement nested function calls in %-syntax: %{func1:%{func2:arg}}
- actually implement evaluation of concatenation operator (oops...)
- Fix <If ... > treating an internal error as success
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1037504 13f79535-47bb-0310-9956-ffa450edef68
the new parser. Rework ap_expr's public interface and provide hooks for modules
to add variables and functions.
The Netware and Windows build files still need to be adjusted
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1032073 13f79535-47bb-0310-9956-ffa450edef68