387 lines
14 KiB
Plaintext
387 lines
14 KiB
Plaintext
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var selectorParser_exports = {};
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__export(selectorParser_exports, {
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InvalidSelectorError: () => import_cssParser2.InvalidSelectorError,
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customCSSNames: () => customCSSNames,
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isInvalidSelectorError: () => import_cssParser2.isInvalidSelectorError,
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parseAttributeSelector: () => parseAttributeSelector,
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parseSelector: () => parseSelector,
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splitSelectorByFrame: () => splitSelectorByFrame,
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stringifySelector: () => stringifySelector,
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visitAllSelectorParts: () => visitAllSelectorParts
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});
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module.exports = __toCommonJS(selectorParser_exports);
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var import_cssParser = require("./cssParser");
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var import_cssParser2 = require("./cssParser");
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const kNestedSelectorNames = /* @__PURE__ */ new Set(["internal:has", "internal:has-not", "internal:and", "internal:or", "internal:chain", "left-of", "right-of", "above", "below", "near"]);
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const kNestedSelectorNamesWithDistance = /* @__PURE__ */ new Set(["left-of", "right-of", "above", "below", "near"]);
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const customCSSNames = /* @__PURE__ */ new Set(["not", "is", "where", "has", "scope", "light", "visible", "text", "text-matches", "text-is", "has-text", "above", "below", "right-of", "left-of", "near", "nth-match"]);
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function parseSelector(selector) {
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const parsedStrings = parseSelectorString(selector);
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const parts = [];
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for (const part of parsedStrings.parts) {
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if (part.name === "css" || part.name === "css:light") {
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if (part.name === "css:light")
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part.body = ":light(" + part.body + ")";
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const parsedCSS = (0, import_cssParser.parseCSS)(part.body, customCSSNames);
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parts.push({
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name: "css",
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body: parsedCSS.selector,
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source: part.body
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});
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continue;
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}
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if (kNestedSelectorNames.has(part.name)) {
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let innerSelector;
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let distance;
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try {
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const unescaped = JSON.parse("[" + part.body + "]");
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if (!Array.isArray(unescaped) || unescaped.length < 1 || unescaped.length > 2 || typeof unescaped[0] !== "string")
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throw new import_cssParser.InvalidSelectorError(`Malformed selector: ${part.name}=` + part.body);
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innerSelector = unescaped[0];
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if (unescaped.length === 2) {
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if (typeof unescaped[1] !== "number" || !kNestedSelectorNamesWithDistance.has(part.name))
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throw new import_cssParser.InvalidSelectorError(`Malformed selector: ${part.name}=` + part.body);
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distance = unescaped[1];
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}
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} catch (e) {
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throw new import_cssParser.InvalidSelectorError(`Malformed selector: ${part.name}=` + part.body);
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}
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const nested = { name: part.name, source: part.body, body: { parsed: parseSelector(innerSelector), distance } };
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const lastFrame = [...nested.body.parsed.parts].reverse().find((part2) => part2.name === "internal:control" && part2.body === "enter-frame");
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const lastFrameIndex = lastFrame ? nested.body.parsed.parts.indexOf(lastFrame) : -1;
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if (lastFrameIndex !== -1 && selectorPartsEqual(nested.body.parsed.parts.slice(0, lastFrameIndex + 1), parts.slice(0, lastFrameIndex + 1)))
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nested.body.parsed.parts.splice(0, lastFrameIndex + 1);
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parts.push(nested);
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continue;
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}
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parts.push({ ...part, source: part.body });
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}
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if (kNestedSelectorNames.has(parts[0].name))
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throw new import_cssParser.InvalidSelectorError(`"${parts[0].name}" selector cannot be first`);
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return {
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capture: parsedStrings.capture,
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parts
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};
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}
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function splitSelectorByFrame(selectorText) {
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const selector = parseSelector(selectorText);
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const result = [];
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let chunk = {
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parts: []
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};
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let chunkStartIndex = 0;
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for (let i = 0; i < selector.parts.length; ++i) {
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const part = selector.parts[i];
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if (part.name === "internal:control" && part.body === "enter-frame") {
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if (!chunk.parts.length)
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throw new import_cssParser.InvalidSelectorError("Selector cannot start with entering frame, select the iframe first");
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result.push(chunk);
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chunk = { parts: [] };
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chunkStartIndex = i + 1;
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continue;
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}
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if (selector.capture === i)
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chunk.capture = i - chunkStartIndex;
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chunk.parts.push(part);
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}
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if (!chunk.parts.length)
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throw new import_cssParser.InvalidSelectorError(`Selector cannot end with entering frame, while parsing selector ${selectorText}`);
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result.push(chunk);
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if (typeof selector.capture === "number" && typeof result[result.length - 1].capture !== "number")
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throw new import_cssParser.InvalidSelectorError(`Can not capture the selector before diving into the frame. Only use * after the last frame has been selected`);
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return result;
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}
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function selectorPartsEqual(list1, list2) {
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return stringifySelector({ parts: list1 }) === stringifySelector({ parts: list2 });
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}
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function stringifySelector(selector, forceEngineName) {
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if (typeof selector === "string")
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return selector;
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return selector.parts.map((p, i) => {
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let includeEngine = true;
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if (!forceEngineName && i !== selector.capture) {
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if (p.name === "css")
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includeEngine = false;
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else if (p.name === "xpath" && p.source.startsWith("//") || p.source.startsWith(".."))
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includeEngine = false;
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}
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const prefix = includeEngine ? p.name + "=" : "";
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return `${i === selector.capture ? "*" : ""}${prefix}${p.source}`;
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}).join(" >> ");
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}
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function visitAllSelectorParts(selector, visitor) {
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const visit = (selector2, nested) => {
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for (const part of selector2.parts) {
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visitor(part, nested);
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if (kNestedSelectorNames.has(part.name))
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visit(part.body.parsed, true);
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}
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};
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visit(selector, false);
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}
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function parseSelectorString(selector) {
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let index = 0;
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let quote;
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let start = 0;
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const result = { parts: [] };
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const append = () => {
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const part = selector.substring(start, index).trim();
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const eqIndex = part.indexOf("=");
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let name;
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let body;
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if (eqIndex !== -1 && part.substring(0, eqIndex).trim().match(/^[a-zA-Z_0-9-+:*]+$/)) {
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name = part.substring(0, eqIndex).trim();
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body = part.substring(eqIndex + 1);
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} else if (part.length > 1 && part[0] === '"' && part[part.length - 1] === '"') {
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name = "text";
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body = part;
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} else if (part.length > 1 && part[0] === "'" && part[part.length - 1] === "'") {
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name = "text";
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body = part;
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} else if (/^\(*\/\//.test(part) || part.startsWith("..")) {
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name = "xpath";
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body = part;
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} else {
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name = "css";
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body = part;
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}
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let capture = false;
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if (name[0] === "*") {
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capture = true;
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name = name.substring(1);
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}
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result.parts.push({ name, body });
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if (capture) {
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if (result.capture !== void 0)
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throw new import_cssParser.InvalidSelectorError(`Only one of the selectors can capture using * modifier`);
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result.capture = result.parts.length - 1;
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}
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};
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if (!selector.includes(">>")) {
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index = selector.length;
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append();
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return result;
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}
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const shouldIgnoreTextSelectorQuote = () => {
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const prefix = selector.substring(start, index);
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const match = prefix.match(/^\s*text\s*=(.*)$/);
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return !!match && !!match[1];
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};
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while (index < selector.length) {
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const c = selector[index];
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if (c === "\\" && index + 1 < selector.length) {
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index += 2;
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} else if (c === quote) {
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quote = void 0;
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index++;
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} else if (!quote && (c === '"' || c === "'" || c === "`") && !shouldIgnoreTextSelectorQuote()) {
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quote = c;
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index++;
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} else if (!quote && c === ">" && selector[index + 1] === ">") {
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append();
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index += 2;
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start = index;
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} else {
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index++;
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}
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}
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append();
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return result;
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}
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function parseAttributeSelector(selector, allowUnquotedStrings) {
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let wp = 0;
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let EOL = selector.length === 0;
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const next = () => selector[wp] || "";
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const eat1 = () => {
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const result2 = next();
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++wp;
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EOL = wp >= selector.length;
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return result2;
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};
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const syntaxError = (stage) => {
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if (EOL)
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throw new import_cssParser.InvalidSelectorError(`Unexpected end of selector while parsing selector \`${selector}\``);
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throw new import_cssParser.InvalidSelectorError(`Error while parsing selector \`${selector}\` - unexpected symbol "${next()}" at position ${wp}` + (stage ? " during " + stage : ""));
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};
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function skipSpaces() {
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while (!EOL && /\s/.test(next()))
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eat1();
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}
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function isCSSNameChar(char) {
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return char >= "\x80" || char >= "0" && char <= "9" || char >= "A" && char <= "Z" || char >= "a" && char <= "z" || char >= "0" && char <= "9" || char === "_" || char === "-";
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}
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function readIdentifier() {
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let result2 = "";
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skipSpaces();
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while (!EOL && isCSSNameChar(next()))
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result2 += eat1();
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return result2;
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}
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function readQuotedString(quote) {
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let result2 = eat1();
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if (result2 !== quote)
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syntaxError("parsing quoted string");
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while (!EOL && next() !== quote) {
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if (next() === "\\")
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eat1();
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result2 += eat1();
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}
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if (next() !== quote)
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syntaxError("parsing quoted string");
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result2 += eat1();
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return result2;
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}
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function readRegularExpression() {
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if (eat1() !== "/")
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syntaxError("parsing regular expression");
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let source = "";
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let inClass = false;
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while (!EOL) {
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if (next() === "\\") {
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source += eat1();
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if (EOL)
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syntaxError("parsing regular expression");
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} else if (inClass && next() === "]") {
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inClass = false;
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} else if (!inClass && next() === "[") {
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inClass = true;
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} else if (!inClass && next() === "/") {
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break;
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}
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source += eat1();
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}
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if (eat1() !== "/")
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syntaxError("parsing regular expression");
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let flags = "";
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while (!EOL && next().match(/[dgimsuy]/))
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flags += eat1();
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try {
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return new RegExp(source, flags);
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} catch (e) {
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throw new import_cssParser.InvalidSelectorError(`Error while parsing selector \`${selector}\`: ${e.message}`);
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}
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}
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function readAttributeToken() {
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let token = "";
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skipSpaces();
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if (next() === `'` || next() === `"`)
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token = readQuotedString(next()).slice(1, -1);
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else
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token = readIdentifier();
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if (!token)
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syntaxError("parsing property path");
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return token;
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}
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function readOperator() {
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skipSpaces();
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let op = "";
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if (!EOL)
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op += eat1();
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if (!EOL && op !== "=")
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op += eat1();
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if (!["=", "*=", "^=", "$=", "|=", "~="].includes(op))
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syntaxError("parsing operator");
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return op;
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}
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function readAttribute() {
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eat1();
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const jsonPath = [];
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jsonPath.push(readAttributeToken());
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skipSpaces();
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while (next() === ".") {
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eat1();
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jsonPath.push(readAttributeToken());
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skipSpaces();
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}
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if (next() === "]") {
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eat1();
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return { name: jsonPath.join("."), jsonPath, op: "<truthy>", value: null, caseSensitive: false };
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}
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const operator = readOperator();
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let value = void 0;
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let caseSensitive = true;
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skipSpaces();
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if (next() === "/") {
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if (operator !== "=")
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throw new import_cssParser.InvalidSelectorError(`Error while parsing selector \`${selector}\` - cannot use ${operator} in attribute with regular expression`);
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value = readRegularExpression();
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} else if (next() === `'` || next() === `"`) {
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value = readQuotedString(next()).slice(1, -1);
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skipSpaces();
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if (next() === "i" || next() === "I") {
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caseSensitive = false;
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eat1();
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} else if (next() === "s" || next() === "S") {
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caseSensitive = true;
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eat1();
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}
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} else {
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value = "";
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while (!EOL && (isCSSNameChar(next()) || next() === "+" || next() === "."))
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value += eat1();
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if (value === "true") {
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value = true;
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} else if (value === "false") {
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value = false;
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} else {
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if (!allowUnquotedStrings) {
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value = +value;
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if (Number.isNaN(value))
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syntaxError("parsing attribute value");
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}
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}
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}
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skipSpaces();
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if (next() !== "]")
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syntaxError("parsing attribute value");
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eat1();
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if (operator !== "=" && typeof value !== "string")
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throw new import_cssParser.InvalidSelectorError(`Error while parsing selector \`${selector}\` - cannot use ${operator} in attribute with non-string matching value - ${value}`);
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return { name: jsonPath.join("."), jsonPath, op: operator, value, caseSensitive };
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}
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const result = {
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name: "",
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attributes: []
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};
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result.name = readIdentifier();
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skipSpaces();
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while (next() === "[") {
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result.attributes.push(readAttribute());
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skipSpaces();
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}
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if (!EOL)
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syntaxError(void 0);
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if (!result.name && !result.attributes.length)
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throw new import_cssParser.InvalidSelectorError(`Error while parsing selector \`${selector}\` - selector cannot be empty`);
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return result;
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}
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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InvalidSelectorError,
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customCSSNames,
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isInvalidSelectorError,
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parseAttributeSelector,
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parseSelector,
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splitSelectorByFrame,
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stringifySelector,
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visitAllSelectorParts
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});
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