zwoop opened a new pull request, #12562:
URL: https://github.com/apache/trafficserver/pull/12562
This refactors the parsing / evaluation, to put most of the exec /
evaluation logic into
a new OperatorIf. This is not a real operator, that configurations would
use, but allows
for the conditionals to be nested. The syntax in HRW is not awesome, but
best we can
do within the constraints of backwards compatibility.
As such, this PR also includes changes and additions to hrw4u, where nested
if's are
now supported and added to the existing if() / else semantics. E.g.
```
SEND_RESPONSE {
if inbound.status == 200 {
inbound.resp.X-When-200-Before = "Yes";
if inbound.req.X-Foo == "foo" {
inbound.resp.X-Foo = "Yes";
if inbound.req.X-Bar == "bar" with NOCASE {
inbound.resp.X-Foo-And-Bar = "Yes";
} elif inbound.req.X-Fie == "fie" with NOCASE {
inbound.resp.X-Foo-And-Fie = "Yes";
}
} elif inbound.req.X-Foo == "maybe" {
.
.
.
```
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