--- /dev/null
+'use strict';
+
+exports.__esModule = true;
+
+var _declaration = require('./declaration');
+
+var _declaration2 = _interopRequireDefault(_declaration);
+
+var _tokenize = require('./tokenize');
+
+var _tokenize2 = _interopRequireDefault(_tokenize);
+
+var _comment = require('./comment');
+
+var _comment2 = _interopRequireDefault(_comment);
+
+var _atRule = require('./at-rule');
+
+var _atRule2 = _interopRequireDefault(_atRule);
+
+var _root = require('./root');
+
+var _root2 = _interopRequireDefault(_root);
+
+var _rule = require('./rule');
+
+var _rule2 = _interopRequireDefault(_rule);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Parser = function () {
+ function Parser(input) {
+ _classCallCheck(this, Parser);
+
+ this.input = input;
+
+ this.pos = 0;
+ this.root = new _root2.default();
+ this.current = this.root;
+ this.spaces = '';
+ this.semicolon = false;
+
+ this.root.source = { input: input, start: { line: 1, column: 1 } };
+ }
+
+ Parser.prototype.tokenize = function tokenize() {
+ this.tokens = (0, _tokenize2.default)(this.input);
+ };
+
+ Parser.prototype.loop = function loop() {
+ var token = void 0;
+ while (this.pos < this.tokens.length) {
+ token = this.tokens[this.pos];
+
+ switch (token[0]) {
+ case 'word':
+ case ':':
+ this.word();
+ break;
+
+ case '}':
+ this.end(token);
+ break;
+
+ case 'comment':
+ this.comment(token);
+ break;
+
+ case 'at-word':
+ this.atrule(token);
+ break;
+
+ case '{':
+ this.emptyRule(token);
+ break;
+
+ default:
+ this.spaces += token[1];
+ break;
+ }
+
+ this.pos += 1;
+ }
+ this.endFile();
+ };
+
+ Parser.prototype.comment = function comment(token) {
+ var node = new _comment2.default();
+ this.init(node, token[2], token[3]);
+ node.source.end = { line: token[4], column: token[5] };
+
+ var text = token[1].slice(2, -2);
+ if (/^\s*$/.test(text)) {
+ node.text = '';
+ node.raws.left = text;
+ node.raws.right = '';
+ } else {
+ var match = text.match(/^(\s*)([^]*[^\s])(\s*)$/);
+ node.text = match[2];
+ node.raws.left = match[1];
+ node.raws.right = match[3];
+ }
+ };
+
+ Parser.prototype.emptyRule = function emptyRule(token) {
+ var node = new _rule2.default();
+ this.init(node, token[2], token[3]);
+ node.selector = '';
+ node.raws.between = '';
+ this.current = node;
+ };
+
+ Parser.prototype.word = function word() {
+ var token = void 0;
+ var end = false;
+ var type = null;
+ var colon = false;
+ var bracket = null;
+ var brackets = 0;
+
+ var start = this.pos;
+ this.pos += 1;
+ while (this.pos < this.tokens.length) {
+ token = this.tokens[this.pos];
+ type = token[0];
+
+ if (type === '(') {
+ if (!bracket) bracket = token;
+ brackets += 1;
+ } else if (brackets === 0) {
+ if (type === ';') {
+ if (colon) {
+ this.decl(this.tokens.slice(start, this.pos + 1));
+ return;
+ } else {
+ break;
+ }
+ } else if (type === '{') {
+ this.rule(this.tokens.slice(start, this.pos + 1));
+ return;
+ } else if (type === '}') {
+ this.pos -= 1;
+ end = true;
+ break;
+ } else if (type === ':') {
+ colon = true;
+ }
+ } else if (type === ')') {
+ brackets -= 1;
+ if (brackets === 0) bracket = null;
+ }
+
+ this.pos += 1;
+ }
+ if (this.pos === this.tokens.length) {
+ this.pos -= 1;
+ end = true;
+ }
+
+ if (brackets > 0) this.unclosedBracket(bracket);
+
+ if (end && colon) {
+ while (this.pos > start) {
+ token = this.tokens[this.pos][0];
+ if (token !== 'space' && token !== 'comment') break;
+ this.pos -= 1;
+ }
+ this.decl(this.tokens.slice(start, this.pos + 1));
+ return;
+ }
+
+ this.unknownWord(start);
+ };
+
+ Parser.prototype.rule = function rule(tokens) {
+ tokens.pop();
+
+ var node = new _rule2.default();
+ this.init(node, tokens[0][2], tokens[0][3]);
+
+ node.raws.between = this.spacesFromEnd(tokens);
+ this.raw(node, 'selector', tokens);
+ this.current = node;
+ };
+
+ Parser.prototype.decl = function decl(tokens) {
+ var node = new _declaration2.default();
+ this.init(node);
+
+ var last = tokens[tokens.length - 1];
+ if (last[0] === ';') {
+ this.semicolon = true;
+ tokens.pop();
+ }
+ if (last[4]) {
+ node.source.end = { line: last[4], column: last[5] };
+ } else {
+ node.source.end = { line: last[2], column: last[3] };
+ }
+
+ while (tokens[0][0] !== 'word') {
+ node.raws.before += tokens.shift()[1];
+ }
+ node.source.start = { line: tokens[0][2], column: tokens[0][3] };
+
+ node.prop = '';
+ while (tokens.length) {
+ var type = tokens[0][0];
+ if (type === ':' || type === 'space' || type === 'comment') {
+ break;
+ }
+ node.prop += tokens.shift()[1];
+ }
+
+ node.raws.between = '';
+
+ var token = void 0;
+ while (tokens.length) {
+ token = tokens.shift();
+
+ if (token[0] === ':') {
+ node.raws.between += token[1];
+ break;
+ } else {
+ node.raws.between += token[1];
+ }
+ }
+
+ if (node.prop[0] === '_' || node.prop[0] === '*') {
+ node.raws.before += node.prop[0];
+ node.prop = node.prop.slice(1);
+ }
+ node.raws.between += this.spacesFromStart(tokens);
+ this.precheckMissedSemicolon(tokens);
+
+ for (var i = tokens.length - 1; i > 0; i--) {
+ token = tokens[i];
+ if (token[1] === '!important') {
+ node.important = true;
+ var string = this.stringFrom(tokens, i);
+ string = this.spacesFromEnd(tokens) + string;
+ if (string !== ' !important') node.raws.important = string;
+ break;
+ } else if (token[1] === 'important') {
+ var cache = tokens.slice(0);
+ var str = '';
+ for (var j = i; j > 0; j--) {
+ var _type = cache[j][0];
+ if (str.trim().indexOf('!') === 0 && _type !== 'space') {
+ break;
+ }
+ str = cache.pop()[1] + str;
+ }
+ if (str.trim().indexOf('!') === 0) {
+ node.important = true;
+ node.raws.important = str;
+ tokens = cache;
+ }
+ }
+
+ if (token[0] !== 'space' && token[0] !== 'comment') {
+ break;
+ }
+ }
+
+ this.raw(node, 'value', tokens);
+
+ if (node.value.indexOf(':') !== -1) this.checkMissedSemicolon(tokens);
+ };
+
+ Parser.prototype.atrule = function atrule(token) {
+ var node = new _atRule2.default();
+ node.name = token[1].slice(1);
+ if (node.name === '') {
+ this.unnamedAtrule(node, token);
+ }
+ this.init(node, token[2], token[3]);
+
+ var last = false;
+ var open = false;
+ var params = [];
+
+ this.pos += 1;
+ while (this.pos < this.tokens.length) {
+ token = this.tokens[this.pos];
+
+ if (token[0] === ';') {
+ node.source.end = { line: token[2], column: token[3] };
+ this.semicolon = true;
+ break;
+ } else if (token[0] === '{') {
+ open = true;
+ break;
+ } else if (token[0] === '}') {
+ this.end(token);
+ break;
+ } else {
+ params.push(token);
+ }
+
+ this.pos += 1;
+ }
+ if (this.pos === this.tokens.length) {
+ last = true;
+ }
+
+ node.raws.between = this.spacesFromEnd(params);
+ if (params.length) {
+ node.raws.afterName = this.spacesFromStart(params);
+ this.raw(node, 'params', params);
+ if (last) {
+ token = params[params.length - 1];
+ node.source.end = { line: token[4], column: token[5] };
+ this.spaces = node.raws.between;
+ node.raws.between = '';
+ }
+ } else {
+ node.raws.afterName = '';
+ node.params = '';
+ }
+
+ if (open) {
+ node.nodes = [];
+ this.current = node;
+ }
+ };
+
+ Parser.prototype.end = function end(token) {
+ if (this.current.nodes && this.current.nodes.length) {
+ this.current.raws.semicolon = this.semicolon;
+ }
+ this.semicolon = false;
+
+ this.current.raws.after = (this.current.raws.after || '') + this.spaces;
+ this.spaces = '';
+
+ if (this.current.parent) {
+ this.current.source.end = { line: token[2], column: token[3] };
+ this.current = this.current.parent;
+ } else {
+ this.unexpectedClose(token);
+ }
+ };
+
+ Parser.prototype.endFile = function endFile() {
+ if (this.current.parent) this.unclosedBlock();
+ if (this.current.nodes && this.current.nodes.length) {
+ this.current.raws.semicolon = this.semicolon;
+ }
+ this.current.raws.after = (this.current.raws.after || '') + this.spaces;
+ };
+
+ // Helpers
+
+ Parser.prototype.init = function init(node, line, column) {
+ this.current.push(node);
+
+ node.source = { start: { line: line, column: column }, input: this.input };
+ node.raws.before = this.spaces;
+ this.spaces = '';
+ if (node.type !== 'comment') this.semicolon = false;
+ };
+
+ Parser.prototype.raw = function raw(node, prop, tokens) {
+ var token = void 0,
+ type = void 0;
+ var length = tokens.length;
+ var value = '';
+ var clean = true;
+ for (var i = 0; i < length; i += 1) {
+ token = tokens[i];
+ type = token[0];
+ if (type === 'comment' || type === 'space' && i === length - 1) {
+ clean = false;
+ } else {
+ value += token[1];
+ }
+ }
+ if (!clean) {
+ var raw = tokens.reduce(function (all, i) {
+ return all + i[1];
+ }, '');
+ node.raws[prop] = { value: value, raw: raw };
+ }
+ node[prop] = value;
+ };
+
+ Parser.prototype.spacesFromEnd = function spacesFromEnd(tokens) {
+ var lastTokenType = void 0;
+ var spaces = '';
+ while (tokens.length) {
+ lastTokenType = tokens[tokens.length - 1][0];
+ if (lastTokenType !== 'space' && lastTokenType !== 'comment') break;
+ spaces = tokens.pop()[1] + spaces;
+ }
+ return spaces;
+ };
+
+ Parser.prototype.spacesFromStart = function spacesFromStart(tokens) {
+ var next = void 0;
+ var spaces = '';
+ while (tokens.length) {
+ next = tokens[0][0];
+ if (next !== 'space' && next !== 'comment') break;
+ spaces += tokens.shift()[1];
+ }
+ return spaces;
+ };
+
+ Parser.prototype.stringFrom = function stringFrom(tokens, from) {
+ var result = '';
+ for (var i = from; i < tokens.length; i++) {
+ result += tokens[i][1];
+ }
+ tokens.splice(from, tokens.length - from);
+ return result;
+ };
+
+ Parser.prototype.colon = function colon(tokens) {
+ var brackets = 0;
+ var token = void 0,
+ type = void 0,
+ prev = void 0;
+ for (var i = 0; i < tokens.length; i++) {
+ token = tokens[i];
+ type = token[0];
+
+ if (type === '(') {
+ brackets += 1;
+ } else if (type === ')') {
+ brackets -= 1;
+ } else if (brackets === 0 && type === ':') {
+ if (!prev) {
+ this.doubleColon(token);
+ } else if (prev[0] === 'word' && prev[1] === 'progid') {
+ continue;
+ } else {
+ return i;
+ }
+ }
+
+ prev = token;
+ }
+ return false;
+ };
+
+ // Errors
+
+ Parser.prototype.unclosedBracket = function unclosedBracket(bracket) {
+ throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
+ };
+
+ Parser.prototype.unknownWord = function unknownWord(start) {
+ var token = this.tokens[start];
+ throw this.input.error('Unknown word', token[2], token[3]);
+ };
+
+ Parser.prototype.unexpectedClose = function unexpectedClose(token) {
+ throw this.input.error('Unexpected }', token[2], token[3]);
+ };
+
+ Parser.prototype.unclosedBlock = function unclosedBlock() {
+ var pos = this.current.source.start;
+ throw this.input.error('Unclosed block', pos.line, pos.column);
+ };
+
+ Parser.prototype.doubleColon = function doubleColon(token) {
+ throw this.input.error('Double colon', token[2], token[3]);
+ };
+
+ Parser.prototype.unnamedAtrule = function unnamedAtrule(node, token) {
+ throw this.input.error('At-rule without name', token[2], token[3]);
+ };
+
+ Parser.prototype.precheckMissedSemicolon = function precheckMissedSemicolon(tokens) {
+ // Hook for Safe Parser
+ tokens;
+ };
+
+ Parser.prototype.checkMissedSemicolon = function checkMissedSemicolon(tokens) {
+ var colon = this.colon(tokens);
+ if (colon === false) return;
+
+ var founded = 0;
+ var token = void 0;
+ for (var j = colon - 1; j >= 0; j--) {
+ token = tokens[j];
+ if (token[0] !== 'space') {
+ founded += 1;
+ if (founded === 2) break;
+ }
+ }
+ throw this.input.error('Missed semicolon', token[2], token[3]);
+ };
+
+ return Parser;
+}();
+
+exports.default = Parser;
+module.exports = exports['default'];
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