| WHITESPACE = _{ WHITE_SPACE } |
| |
| ident = @{ ( "_" | "$" | XID_START ) ~ XID_CONTINUE* } |
| deep_wildcard = { "." ~ "**" } |
| wildcard = { "." ~ "*" } |
| key = @{ "." ~ ident } |
| int = { "-"? ~ NUMBER+ } |
| string = @{ "\"" ~ (!("\"") ~ ANY)* ~ "\""} |
| |
| subscript = { "[" ~ ( string | int ) ~ "]" } |
| full_range = { "[" ~ "]" } |
| range = { "[" ~ int ~ ":" ~ int ~ "]" } |
| range_to = { "[" ~ ":" ~ int ~ "]" } |
| range_from = { "[" ~ int ~ ":]" } |
| |
| segment = _{ deep_wildcard | wildcard | key | subscript | full_range | range | range_to | range_from } |
| identity = { "." } |
| |
| selector = { (segment+ | identity) } |
| selectors = { SOI ~ selector ~ ("," ~ selector)* ~ ","? ~ EOI } |
