mirror of
https://github.com/wu736139669/Monkey-Test.git
synced 2026-08-05 05:55:46 +00:00
528 lines
16 KiB
JavaScript
528 lines
16 KiB
JavaScript
'use strict';
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exports.__esModule = true;
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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var _declaration = require('./declaration');
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var _declaration2 = _interopRequireDefault(_declaration);
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var _tokenize = require('./tokenize');
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var _tokenize2 = _interopRequireDefault(_tokenize);
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var _comment = require('./comment');
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var _comment2 = _interopRequireDefault(_comment);
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var _atRule = require('./at-rule');
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var _atRule2 = _interopRequireDefault(_atRule);
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var _root = require('./root');
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var _root2 = _interopRequireDefault(_root);
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var _rule = require('./rule');
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var _rule2 = _interopRequireDefault(_rule);
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var Parser = (function () {
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function Parser(input) {
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_classCallCheck(this, Parser);
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this.input = input;
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this.pos = 0;
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this.root = new _root2['default']();
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this.current = this.root;
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this.spaces = '';
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this.semicolon = false;
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this.root.source = { input: input };
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if (input.map) this.root.prevMap = input.map;
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}
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Parser.prototype.tokenize = function tokenize() {
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this.tokens = _tokenize2['default'](this.input);
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};
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Parser.prototype.loop = function loop() {
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var token = undefined;
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while (this.pos < this.tokens.length) {
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token = this.tokens[this.pos];
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switch (token[0]) {
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case 'word':
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case ':':
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this.word(token);
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break;
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case '}':
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this.end(token);
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break;
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case 'comment':
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this.comment(token);
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break;
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case 'at-word':
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this.atrule(token);
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break;
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case '{':
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this.emptyRule(token);
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break;
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default:
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this.spaces += token[1];
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break;
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}
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this.pos += 1;
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}
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this.endFile();
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};
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Parser.prototype.comment = function comment(token) {
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var node = new _comment2['default']();
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this.init(node, token[2], token[3]);
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node.source.end = { line: token[4], column: token[5] };
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var text = token[1].slice(2, -2);
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if (text.match(/^\s*$/)) {
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node.left = text;
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node.text = '';
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node.right = '';
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} else {
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var match = text.match(/^(\s*)([^]*[^\s])(\s*)$/);
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node.left = match[1];
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node.text = match[2];
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node.right = match[3];
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}
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};
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Parser.prototype.emptyRule = function emptyRule(token) {
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var node = new _rule2['default']();
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this.init(node, token[2], token[3]);
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node.between = '';
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node.selector = '';
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this.current = node;
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};
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Parser.prototype.word = function word() {
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var token = undefined;
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var end = false;
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var type = null;
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var colon = false;
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var bracket = null;
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var brackets = 0;
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var start = this.pos;
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this.pos += 1;
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while (this.pos < this.tokens.length) {
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token = this.tokens[this.pos];
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type = token[0];
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if (type === '(') {
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if (!bracket) bracket = token;
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brackets += 1;
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} else if (brackets === 0) {
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if (type === ';') {
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if (colon) {
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this.decl(this.tokens.slice(start, this.pos + 1));
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return;
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} else {
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break;
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}
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} else if (type === '{') {
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this.rule(this.tokens.slice(start, this.pos + 1));
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return;
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} else if (type === '}') {
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this.pos -= 1;
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end = true;
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break;
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} else {
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if (type === ':') colon = true;
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}
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} else if (type === ')') {
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brackets -= 1;
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if (brackets === 0) bracket = null;
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}
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this.pos += 1;
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}
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if (this.pos === this.tokens.length) {
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this.pos -= 1;
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end = true;
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}
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if (brackets > 0 && !this.input.safe) {
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throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
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}
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if (end && colon) {
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while (this.pos > start) {
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token = this.tokens[this.pos][0];
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if (token !== 'space' && token !== 'comment') break;
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this.pos -= 1;
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}
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this.decl(this.tokens.slice(start, this.pos + 1));
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return;
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}
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if (this.input.safe) {
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var buffer = this.tokens.slice(start, this.pos + 1);
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this.spaces += buffer.map(function (i) {
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return i[1];
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}).join('');
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} else {
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token = this.tokens[start];
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throw this.input.error('Unknown word', token[2], token[3]);
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}
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};
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Parser.prototype.rule = function rule(tokens) {
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tokens.pop();
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var node = new _rule2['default']();
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this.init(node, tokens[0][2], tokens[0][3]);
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node.between = this.spacesFromEnd(tokens);
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this.raw(node, 'selector', tokens);
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this.current = node;
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};
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Parser.prototype.decl = function decl(tokens) {
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var node = new _declaration2['default']();
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this.init(node);
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var last = tokens[tokens.length - 1];
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if (last[0] === ';') {
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this.semicolon = true;
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tokens.pop();
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}
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if (last[4]) {
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node.source.end = { line: last[4], column: last[5] };
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} else {
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node.source.end = { line: last[2], column: last[3] };
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}
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while (tokens[0][0] !== 'word') {
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node.before += tokens.shift()[1];
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}
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node.source.start = { line: tokens[0][2], column: tokens[0][3] };
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node.prop = tokens.shift()[1];
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node.between = '';
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var token = undefined;
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while (tokens.length) {
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token = tokens.shift();
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if (token[0] === ':') {
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node.between += token[1];
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break;
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} else if (token[0] !== 'space' && token[0] !== 'comment') {
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this.unknownWord(node, token, tokens);
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} else {
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node.between += token[1];
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}
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}
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if (node.prop[0] === '_' || node.prop[0] === '*') {
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node.before += node.prop[0];
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node.prop = node.prop.slice(1);
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}
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node.between += this.spacesFromStart(tokens);
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if (this.input.safe) this.checkMissedSemicolon(tokens);
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for (var i = tokens.length - 1; i > 0; i--) {
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token = tokens[i];
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if (token[1] === '!important') {
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node.important = true;
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var string = this.stringFrom(tokens, i);
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string = this.spacesFromEnd(tokens) + string;
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if (string !== ' !important') node._important = string;
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break;
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} else if (token[1] === 'important') {
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var cache = tokens.slice(0);
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var str = '';
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for (var j = i; j > 0; j--) {
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var type = cache[j][0];
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if (str.trim().indexOf('!') === 0 && type !== 'space') {
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break;
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}
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str = cache.pop()[1] + str;
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}
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if (str.trim().indexOf('!') === 0) {
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node.important = true;
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node._important = str;
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tokens = cache;
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}
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}
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if (token[0] !== 'space' && token[0] !== 'comment') {
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break;
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}
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}
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this.raw(node, 'value', tokens);
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if (node.value.indexOf(':') !== -1 && !this.input.safe) {
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this.checkMissedSemicolon(tokens);
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}
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};
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Parser.prototype.atrule = function atrule(token) {
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var node = new _atRule2['default']();
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node.name = token[1].slice(1);
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if (node.name === '') {
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if (this.input.safe) {
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node.name = '';
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} else {
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throw this.input.error('At-rule without name', token[2], token[3]);
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}
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}
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this.init(node, token[2], token[3]);
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var last = false;
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var open = false;
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var params = [];
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this.pos += 1;
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while (this.pos < this.tokens.length) {
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token = this.tokens[this.pos];
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if (token[0] === ';') {
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node.source.end = { line: token[2], column: token[3] };
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this.semicolon = true;
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break;
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} else if (token[0] === '{') {
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open = true;
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break;
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} else {
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params.push(token);
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}
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this.pos += 1;
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}
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if (this.pos === this.tokens.length) {
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last = true;
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}
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node.between = this.spacesFromEnd(params);
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if (params.length) {
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node.afterName = this.spacesFromStart(params);
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this.raw(node, 'params', params);
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if (last) {
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token = params[params.length - 1];
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node.source.end = { line: token[4], column: token[5] };
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this.spaces = node.between;
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node.between = '';
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}
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} else {
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node.afterName = '';
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node.params = '';
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}
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if (open) {
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node.nodes = [];
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this.current = node;
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}
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};
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Parser.prototype.end = function end(token) {
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if (this.current.nodes && this.current.nodes.length) {
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this.current.semicolon = this.semicolon;
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}
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this.semicolon = false;
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this.current.after = (this.current.after || '') + this.spaces;
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this.spaces = '';
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if (this.current.parent) {
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this.current.source.end = { line: token[2], column: token[3] };
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this.current = this.current.parent;
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} else if (!this.input.safe) {
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throw this.input.error('Unexpected }', token[2], token[3]);
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} else {
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this.current.after += '}';
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}
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};
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Parser.prototype.endFile = function endFile() {
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if (this.current.parent && !this.input.safe) {
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var pos = this.current.source.start;
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throw this.input.error('Unclosed block', pos.line, pos.column);
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}
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if (this.current.nodes && this.current.nodes.length) {
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this.current.semicolon = this.semicolon;
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}
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this.current.after = (this.current.after || '') + this.spaces;
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while (this.current.parent) {
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this.current = this.current.parent;
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this.current.after = '';
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}
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};
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Parser.prototype.unknownWord = function unknownWord(node, token) {
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if (this.input.safe) {
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node.source.start = { line: token[2], column: token[3] };
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node.before += node.prop + node.between;
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node.prop = token[1];
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node.between = '';
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} else {
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throw this.input.error('Unknown word', token[2], token[3]);
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}
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};
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Parser.prototype.checkMissedSemicolon = function checkMissedSemicolon(tokens) {
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var prev = null;
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var colon = false;
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var brackets = 0;
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var type = undefined,
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token = undefined;
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for (var i = 0; i < tokens.length; i++) {
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token = tokens[i];
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type = token[0];
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if (type === '(') {
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brackets += 1;
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} else if (type === ')') {
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brackets -= 0;
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} else if (brackets === 0 && type === ':') {
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if (!prev && this.input.safe) {
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continue;
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} else if (!prev) {
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throw this.input.error('Double colon', token[2], token[3]);
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} else if (prev[0] === 'word' && prev[1] === 'progid') {
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continue;
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} else {
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colon = i;
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break;
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}
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}
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prev = token;
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}
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if (colon === false) return;
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if (this.input.safe) {
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var split = undefined;
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for (split = colon - 1; split >= 0; split--) {
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if (tokens[split][0] === 'word') break;
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}
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for (split -= 1; split >= 0; split--) {
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if (tokens[split][0] !== 'space') {
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split += 1;
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break;
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}
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}
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var other = tokens.splice(split, tokens.length - split);
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this.decl(other);
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} else {
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var founded = 0;
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for (var j = colon - 1; j >= 0; j--) {
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token = tokens[j];
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if (token[0] !== 'space') {
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founded += 1;
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if (founded === 2) break;
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}
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}
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throw this.input.error('Missed semicolon', token[2], token[3]);
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}
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};
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// Helpers
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Parser.prototype.init = function init(node, line, column) {
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this.current.push(node);
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node.source = { start: { line: line, column: column }, input: this.input };
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node.before = this.spaces;
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this.spaces = '';
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if (node.type !== 'comment') this.semicolon = false;
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};
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Parser.prototype.raw = function raw(node, prop, tokens) {
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var token = undefined;
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var value = '';
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var clean = true;
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for (var _iterator = tokens, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
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if (_isArray) {
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if (_i >= _iterator.length) break;
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token = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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token = _i.value;
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}
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if (token[0] === 'comment') {
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clean = false;
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} else {
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value += token[1];
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}
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}
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if (!clean) {
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var origin = '';
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for (var _iterator2 = tokens, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
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if (_isArray2) {
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if (_i2 >= _iterator2.length) break;
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token = _iterator2[_i2++];
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} else {
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_i2 = _iterator2.next();
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if (_i2.done) break;
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token = _i2.value;
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}
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origin += token[1];
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}node['_' + prop] = { value: value, raw: origin };
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}
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node[prop] = value;
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};
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Parser.prototype.spacesFromEnd = function spacesFromEnd(tokens) {
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var next = undefined;
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var spaces = '';
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while (tokens.length) {
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next = tokens[tokens.length - 1][0];
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if (next !== 'space' && next !== 'comment') break;
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spaces += tokens.pop()[1];
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}
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return spaces;
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};
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Parser.prototype.spacesFromStart = function spacesFromStart(tokens) {
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var next = undefined;
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var spaces = '';
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while (tokens.length) {
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next = tokens[0][0];
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if (next !== 'space' && next !== 'comment') break;
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spaces += tokens.shift()[1];
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}
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return spaces;
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};
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Parser.prototype.stringFrom = function stringFrom(tokens, from) {
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var result = '';
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for (var i = from; i < tokens.length; i++) {
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result += tokens[i][1];
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}
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tokens.splice(from, tokens.length - from);
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return result;
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};
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return Parser;
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})();
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exports['default'] = Parser;
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module.exports = exports['default']; |