selectors.json

{
  "spec": {
    "title": "Selectors Level 4",
    "url": "https://www.w3.org/TR/selectors-4/"
  },
  "properties": {},
  "descriptors": {},
  "valuespaces": {
    "<selector-list>": {
      "value": "<complex-selector-list>"
    },
    "<complex-selector-list>": {
      "value": "<complex-selector>#"
    },
    "<compound-selector-list>": {
      "value": "<compound-selector>#"
    },
    "<simple-selector-list>": {
      "value": "<simple-selector>#"
    },
    "<relative-selector-list>": {
      "value": "<relative-selector>#"
    },
    "<complex-selector>": {
      "value": "<compound-selector> [ <combinator>? <compound-selector> ]*"
    },
    "<relative-selector>": {
      "value": "<combinator>? <complex-selector>"
    },
    "<compound-selector>": {
      "value": "[ <type-selector>? <subclass-selector>* [ <pseudo-element-selector> <pseudo-class-selector>* ]* ]!"
    },
    "<simple-selector>": {
      "value": "<type-selector> | <subclass-selector>"
    },
    "<combinator>": {
      "value": "'>' | '+' | '~' | [ '|' '|' ]"
    },
    "<type-selector>": {
      "value": "<wq-name> | <ns-prefix>? '*'"
    },
    "<ns-prefix>": {
      "value": "[ <ident-token> | '*' ]? '|'"
    },
    "<wq-name>": {
      "value": "<ns-prefix>? <ident-token>"
    },
    "<subclass-selector>": {
      "value": "<id-selector> | <class-selector> | <attribute-selector> | <pseudo-class-selector>"
    },
    "<id-selector>": {
      "value": "<hash-token>"
    },
    "<class-selector>": {
      "value": "'.' <ident-token>"
    },
    "<attribute-selector>": {
      "value": "'[' <wq-name> ']' | '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'"
    },
    "<attr-matcher>": {
      "value": "[ '~' | '|' | '^' | '$' | '*' ]? '='"
    },
    "<attr-modifier>": {
      "value": "i"
    },
    "<pseudo-class-selector>": {
      "value": "':' <ident-token> | ':' <function-token> <any-value> ')'"
    },
    "<pseudo-element-selector>": {
      "value": "':' <pseudo-class-selector>"
    }
  }
}