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"use strict";
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.stringify = void 0;
var types_1 = require("./types");
var attribValChars = ["\\", '"'];
var pseudoValChars = __spreadArray(__spreadArray([], attribValChars, true), ["(", ")"], false);
var charsToEscapeInAttributeValue = new Set(attribValChars.map(function (c) { return c.charCodeAt(0); }));
var charsToEscapeInPseudoValue = new Set(pseudoValChars.map(function (c) { return c.charCodeAt(0); }));
var charsToEscapeInName = new Set(__spreadArray(__spreadArray([], pseudoValChars, true), [
"~",
"^",
"$",
"*",
"+",
"!",
"|",
":",
"[",
"]",
" ",
".",
], false).map(function (c) { return c.charCodeAt(0); }));
/**
* Turns `selector` back into a string.
*
* @param selector Selector to stringify.
*/
function stringify(selector) {
return selector
.map(function (token) { return token.map(stringifyToken).join(""); })
.join(", ");
}
exports.stringify = stringify;
function stringifyToken(token, index, arr) {
switch (token.type) {
// Simple types
case types_1.SelectorType.Child:
return index === 0 ? "> " : " > ";
case types_1.SelectorType.Parent:
return index === 0 ? "< " : " < ";
case types_1.SelectorType.Sibling:
return index === 0 ? "~ " : " ~ ";
case types_1.SelectorType.Adjacent:
return index === 0 ? "+ " : " + ";
case types_1.SelectorType.Descendant:
return " ";
case types_1.SelectorType.ColumnCombinator:
return index === 0 ? "|| " : " || ";
case types_1.SelectorType.Universal:
// Return an empty string if the selector isn't needed.
return token.namespace === "*" &&
index + 1 < arr.length &&
"name" in arr[index + 1]
? ""
: "".concat(getNamespace(token.namespace), "*");
case types_1.SelectorType.Tag:
return getNamespacedName(token);
case types_1.SelectorType.PseudoElement:
return "::".concat(escapeName(token.name, charsToEscapeInName)).concat(token.data === null
? ""
: "(".concat(escapeName(token.data, charsToEscapeInPseudoValue), ")"));
case types_1.SelectorType.Pseudo:
return ":".concat(escapeName(token.name, charsToEscapeInName)).concat(token.data === null
? ""
: "(".concat(typeof token.data === "string"
? escapeName(token.data, charsToEscapeInPseudoValue)
: stringify(token.data), ")"));
case types_1.SelectorType.Attribute: {
if (token.name === "id" &&
token.action === types_1.AttributeAction.Equals &&
token.ignoreCase === "quirks" &&
!token.namespace) {
return "#".concat(escapeName(token.value, charsToEscapeInName));
}
if (token.name === "class" &&
token.action === types_1.AttributeAction.Element &&
token.ignoreCase === "quirks" &&
!token.namespace) {
return ".".concat(escapeName(token.value, charsToEscapeInName));
}
var name_1 = getNamespacedName(token);
if (token.action === types_1.AttributeAction.Exists) {
return "[".concat(name_1, "]");
}
return "[".concat(name_1).concat(getActionValue(token.action), "=\"").concat(escapeName(token.value, charsToEscapeInAttributeValue), "\"").concat(token.ignoreCase === null ? "" : token.ignoreCase ? " i" : " s", "]");
}
}
}
function getActionValue(action) {
switch (action) {
case types_1.AttributeAction.Equals:
return "";
case types_1.AttributeAction.Element:
return "~";
case types_1.AttributeAction.Start:
return "^";
case types_1.AttributeAction.End:
return "$";
case types_1.AttributeAction.Any:
return "*";
case types_1.AttributeAction.Not:
return "!";
case types_1.AttributeAction.Hyphen:
return "|";
case types_1.AttributeAction.Exists:
throw new Error("Shouldn't be here");
}
}
function getNamespacedName(token) {
return "".concat(getNamespace(token.namespace)).concat(escapeName(token.name, charsToEscapeInName));
}
function getNamespace(namespace) {
return namespace !== null
? "".concat(namespace === "*"
? "*"
: escapeName(namespace, charsToEscapeInName), "|")
: "";
}
function escapeName(str, charsToEscape) {
var lastIdx = 0;
var ret = "";
for (var i = 0; i < str.length; i++) {
if (charsToEscape.has(str.charCodeAt(i))) {
ret += "".concat(str.slice(lastIdx, i), "\\").concat(str.charAt(i));
lastIdx = i + 1;
}
}
return ret.length > 0 ? ret + str.slice(lastIdx) : str;
}