I think we can mainly use `array`, I write a new style.
this style can be compatible with the old rules.
[
"AND", -- optional
["arg_name","==","yaml"],
[
"OR",
["arg_name","==","json"],
["arg_weight",">",10]
]
]
On Wed, Nov 25, 2020 at 2:58 PM Zexuan Luo <spacewan...@apache.org> wrote:
> Currently we support a DSL to match routes with variables:
>
> ```
> [
> ["arg_name","==","json"],
> ["arg_weight",">",10],
> ["arg_weight","!",">",15]
> ]
> ```
>
> is evaluated to `ngx.var.arg_name == "json" and ngx.var.arg_weight > 10
> and not ngx.var.arg_weight > 15`.
>
> It would be better if the DSL can support `or` relation and nested
> expressions.
>
> What about a syntax like:
> ```
> {
> "or": [ <- the `or` can be other logical operators, like `and`,
> `!or`, `!and`
> ["arg_name","==","json"],
> ["arg_weight",">",10],
> ["arg_weight","!",">",15]
> ]
> }
> ```
> (means `ngx.var.arg_name == "json" or ngx.var.arg_weight > 10 or not
> ngx.var.arg_weight > 15` )
> and
> ```
> {
> "!and": {
> "and": [
> ["arg_name","==","yaml"]
> ],
> "or": [
> ["arg_name","==","json"],
> ["arg_weight",">",10],
> ["arg_weight","!",">",15]
> ]
> }
> }
> ```
> (means `not (ngx.var.arg_name == "yaml" and (ngx.var.arg_name == "json" or
> ngx.var.arg_weight > 10 or not ngx.var.arg_weight > 15))` )
>
--
*MembPhis*
My GitHub: https://github.com/membphis
Apache APISIX: https://github.com/apache/apisix
