Updated node modules

node_modules/css-selector-tokenizer/lib/parse.js

@@ -0,0 +1,239 @@
+"use strict";
+
+var Parser = require("fastparse");
+var uniRegexp = require("./uni-regexp");
+
+function unescape(str) {
+	return str.replace(/\\(.)/g, "$1");
+}
+
+function commentMatch(match, content) {
+	this.selector.nodes.push({
+		type: "comment",
+		content: content
+	});
+}
+
+function typeMatch(type) {
+	return function(match, name) {
+		this.selector.nodes.push({
+			type: type,
+			name: unescape(name)
+		});
+	};
+}
+
+function pseudoClassStartMatch(match, name) {
+	var newToken = {
+		type: "pseudo-class",
+		name: unescape(name),
+		content: ""
+	};
+	this.selector.nodes.push(newToken);
+	this.token = newToken;
+	this.brackets = 1;
+	return "inBrackets";
+}
+
+function nestedPseudoClassStartMatch(match, name, after) {
+	var newSelector = {
+		type: "selector",
+		nodes: []
+	};
+	var newToken = {
+		type: "nested-pseudo-class",
+		name: unescape(name),
+		nodes: [newSelector]
+	};
+	if(after) {
+		newSelector.before = after;
+	}
+	this.selector.nodes.push(newToken);
+	this.stack.push(this.root);
+	this.root = newToken;
+	this.selector = newSelector;
+}
+
+function nestedEnd(match, before) {
+	if(this.stack.length > 0) {
+		if(before) {
+			this.selector.after = before;
+		}
+		this.root = this.stack.pop();
+		this.selector = this.root.nodes[this.root.nodes.length - 1];
+	} else {
+		this.selector.nodes.push({
+			type: "invalid",
+			value: match
+		});
+	}
+}
+
+function operatorMatch(match, before, operator, after) {
+	var token = {
+		type: "operator",
+		operator: operator
+	};
+	if(before) {
+		token.before = before;
+	}
+	if(after) {
+		token.after = after;
+	}
+	this.selector.nodes.push(token);
+}
+
+function spacingMatch(match) {
+	this.selector.nodes.push({
+		type: "spacing",
+		value: match
+	});
+}
+
+function elementMatch(match, namespace, name) {
+	var newToken = {
+		type: "element",
+		name: unescape(name)
+	};
+
+	if(namespace) {
+		newToken.namespace = unescape(namespace.substr(0, namespace.length - 1));
+	}
+	this.selector.nodes.push(newToken);
+}
+
+function universalMatch(match, namespace) {
+	var newToken = {
+		type: "universal"
+	};
+	if(namespace) {
+		newToken.namespace = unescape(namespace.substr(0, namespace.length - 1));
+	}
+	this.selector.nodes.push(newToken);
+}
+
+function attributeMatch(match, content) {
+	this.selector.nodes.push({
+		type: "attribute",
+		content: content
+	});
+}
+
+function invalidMatch(match) {
+	this.selector.nodes.push({
+		type: "invalid",
+		value: match
+	});
+}
+
+function irrelevantSpacingStartMatch(match) {
+	this.selector.before = match;
+}
+
+function irrelevantSpacingEndMatch(match) {
+	this.selector.after = match;
+}
+
+function nextSelectorMatch(match, before, after) {
+	var newSelector = {
+		type: "selector",
+		nodes: []
+	};
+	if(before) {
+		this.selector.after = before;
+	}
+	if(after) {
+		newSelector.before = after;
+	}
+	this.root.nodes.push(newSelector);
+	this.selector = newSelector;
+}
+
+function addToCurrent(match) {
+	this.token.content += match;
+}
+
+function bracketStart(match) {
+	this.token.content += match;
+	this.brackets++;
+}
+
+function bracketEnd(match) {
+	if(--this.brackets === 0) {
+		return "selector";
+	}
+	this.token.content += match;
+}
+
+function getSelectors() {
+	// The assignment here is split to preserve the property enumeration order.
+	var selectors = {
+		"/\\*([\\s\\S]*?)\\*/": commentMatch
+	};
+	// https://www.w3.org/TR/CSS21/syndata.html#characters
+	// 4.1.3: identifiers (...) can contain only the characters [a-zA-Z0-9] and
+	// ISO 10646 characters U+00A0 and higher, plus the hyphen (-) and the underscore (_)
+	//
+	// 10ffff is the maximum allowed in current Unicode
+	selectors[uniRegexp.typeMatchClass] = typeMatch("class");
+	selectors[uniRegexp.typeMatchId] = typeMatch("id");
+	var selectorsSecondHalf = {
+		":(not|any|-\\w+?-any|matches|is|where|has|local|global)\\((\\s*)": nestedPseudoClassStartMatch,
+		":((?:\\\\.|[A-Za-z_\\-0-9])+)\\(": pseudoClassStartMatch,
+		":((?:\\\\.|[A-Za-z_\\-0-9])+)": typeMatch("pseudo-class"),
+		"::((?:\\\\.|[A-Za-z_\\-0-9])+)": typeMatch("pseudo-element"),
+		"(\\*\\|)((?:\\\\.|[A-Za-z_\\-0-9])+)": elementMatch,
+		"(\\*\\|)\\*": universalMatch,
+		"((?:\\\\.|[A-Za-z_\\-0-9])*\\|)?\\*": universalMatch,
+		"((?:\\\\.|[A-Za-z_\\-0-9])*\\|)?((?:\\\\.|[A-Za-z_\\-])(?:\\\\.|[A-Za-z_\\-0-9])*)": elementMatch,
+		"\\[([^\\]]+)\\]": attributeMatch,
+		"(\\s*)\\)": nestedEnd,
+		"(\\s*)((?:\\|\\|)|(?:>>)|[>+~])(\\s*)": operatorMatch,
+		"(\\s*),(\\s*)": nextSelectorMatch,
+		"\\s+$": irrelevantSpacingEndMatch,
+		"^\\s+": irrelevantSpacingStartMatch,
+		"\\s+": spacingMatch,
+		".": invalidMatch
+	};
+	var selector;
+	for (selector in selectorsSecondHalf) {
+		if (Object.prototype.hasOwnProperty.call(selectorsSecondHalf, selector)) {
+			selectors[selector] = selectorsSecondHalf[selector];
+		}
+	}
+	return selectors;
+}
+
+var parser = new Parser({
+	selector: getSelectors(),
+	inBrackets: {
+		"/\\*[\\s\\S]*?\\*/": addToCurrent,
+		"\"([^\\\\\"]|\\\\.)*\"": addToCurrent,
+		"'([^\\\\']|\\\\.)*'": addToCurrent,
+		"[^()'\"/]+": addToCurrent,
+		"\\(": bracketStart,
+		"\\)": bracketEnd,
+		".": addToCurrent
+	}
+});
+
+function parse(str) {
+	var selectorNode = {
+		type: "selector",
+		nodes: []
+	};
+	var rootNode = {
+		type: "selectors",
+		nodes: [
+			selectorNode
+		]
+	};
+	parser.parse("selector", str, {
+		stack: [],
+		root: rootNode,
+		selector: selectorNode
+	});
+	return rootNode;
+}
+
+module.exports = parse;