123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609 |
- "use strict";
- exports.__esModule = true;
- exports.default = void 0;
- var _declaration = _interopRequireDefault(require("./declaration"));
- var _tokenize = _interopRequireDefault(require("./tokenize"));
- var _comment = _interopRequireDefault(require("./comment"));
- var _atRule = _interopRequireDefault(require("./at-rule"));
- var _root = _interopRequireDefault(require("./root"));
- var _rule = _interopRequireDefault(require("./rule"));
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- var Parser = function () {
- function Parser(input) {
- this.input = input;
- this.root = new _root.default();
- this.current = this.root;
- this.spaces = '';
- this.semicolon = false;
- this.createTokenizer();
- this.root.source = {
- input: input,
- start: {
- line: 1,
- column: 1
- }
- };
- }
- var _proto = Parser.prototype;
- _proto.createTokenizer = function createTokenizer() {
- this.tokenizer = (0, _tokenize.default)(this.input);
- };
- _proto.parse = function parse() {
- var token;
- while (!this.tokenizer.endOfFile()) {
- token = this.tokenizer.nextToken();
- switch (token[0]) {
- case 'space':
- this.spaces += token[1];
- break;
- case ';':
- this.freeSemicolon(token);
- 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.other(token);
- break;
- }
- }
- this.endFile();
- };
- _proto.comment = function comment(token) {
- var node = new _comment.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];
- }
- };
- _proto.emptyRule = function emptyRule(token) {
- var node = new _rule.default();
- this.init(node, token[2], token[3]);
- node.selector = '';
- node.raws.between = '';
- this.current = node;
- };
- _proto.other = function other(start) {
- var end = false;
- var type = null;
- var colon = false;
- var bracket = null;
- var brackets = [];
- var tokens = [];
- var token = start;
- while (token) {
- type = token[0];
- tokens.push(token);
- if (type === '(' || type === '[') {
- if (!bracket) bracket = token;
- brackets.push(type === '(' ? ')' : ']');
- } else if (brackets.length === 0) {
- if (type === ';') {
- if (colon) {
- this.decl(tokens);
- return;
- } else {
- break;
- }
- } else if (type === '{') {
- this.rule(tokens);
- return;
- } else if (type === '}') {
- this.tokenizer.back(tokens.pop());
- end = true;
- break;
- } else if (type === ':') {
- colon = true;
- }
- } else if (type === brackets[brackets.length - 1]) {
- brackets.pop();
- if (brackets.length === 0) bracket = null;
- }
- token = this.tokenizer.nextToken();
- }
- if (this.tokenizer.endOfFile()) end = true;
- if (brackets.length > 0) this.unclosedBracket(bracket);
- if (end && colon) {
- while (tokens.length) {
- token = tokens[tokens.length - 1][0];
- if (token !== 'space' && token !== 'comment') break;
- this.tokenizer.back(tokens.pop());
- }
- this.decl(tokens);
- } else {
- this.unknownWord(tokens);
- }
- };
- _proto.rule = function rule(tokens) {
- tokens.pop();
- var node = new _rule.default();
- this.init(node, tokens[0][2], tokens[0][3]);
- node.raws.between = this.spacesAndCommentsFromEnd(tokens);
- this.raw(node, 'selector', tokens);
- this.current = node;
- };
- _proto.decl = function decl(tokens) {
- var node = new _declaration.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') {
- if (tokens.length === 1) this.unknownWord(tokens);
- 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;
- while (tokens.length) {
- token = tokens.shift();
- if (token[0] === ':') {
- node.raws.between += token[1];
- break;
- } else {
- if (token[0] === 'word' && /\w/.test(token[1])) {
- this.unknownWord([token]);
- }
- 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.spacesAndCommentsFromStart(tokens);
- this.precheckMissedSemicolon(tokens);
- for (var i = tokens.length - 1; i > 0; i--) {
- token = tokens[i];
- if (token[1].toLowerCase() === '!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].toLowerCase() === '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);
- };
- _proto.atrule = function atrule(token) {
- var node = new _atRule.default();
- node.name = token[1].slice(1);
- if (node.name === '') {
- this.unnamedAtrule(node, token);
- }
- this.init(node, token[2], token[3]);
- var prev;
- var shift;
- var last = false;
- var open = false;
- var params = [];
- while (!this.tokenizer.endOfFile()) {
- token = this.tokenizer.nextToken();
- 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] === '}') {
- if (params.length > 0) {
- shift = params.length - 1;
- prev = params[shift];
- while (prev && prev[0] === 'space') {
- prev = params[--shift];
- }
- if (prev) {
- node.source.end = {
- line: prev[4],
- column: prev[5]
- };
- }
- }
- this.end(token);
- break;
- } else {
- params.push(token);
- }
- if (this.tokenizer.endOfFile()) {
- last = true;
- break;
- }
- }
- node.raws.between = this.spacesAndCommentsFromEnd(params);
- if (params.length) {
- node.raws.afterName = this.spacesAndCommentsFromStart(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;
- }
- };
- _proto.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);
- }
- };
- _proto.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;
- };
- _proto.freeSemicolon = function freeSemicolon(token) {
- this.spaces += token[1];
- if (this.current.nodes) {
- var prev = this.current.nodes[this.current.nodes.length - 1];
- if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) {
- prev.raws.ownSemicolon = this.spaces;
- this.spaces = '';
- }
- }
- }
- ;
- _proto.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;
- };
- _proto.raw = function raw(node, prop, tokens) {
- var token, type;
- var length = tokens.length;
- var value = '';
- var clean = true;
- var next, prev;
- var pattern = /^([.|#])?([\w])+/i;
- for (var i = 0; i < length; i += 1) {
- token = tokens[i];
- type = token[0];
- if (type === 'comment' && node.type === 'rule') {
- prev = tokens[i - 1];
- next = tokens[i + 1];
- if (prev[0] !== 'space' && next[0] !== 'space' && pattern.test(prev[1]) && pattern.test(next[1])) {
- value += token[1];
- } else {
- clean = false;
- }
- continue;
- }
- 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;
- };
- _proto.spacesAndCommentsFromEnd = function spacesAndCommentsFromEnd(tokens) {
- var lastTokenType;
- var spaces = '';
- while (tokens.length) {
- lastTokenType = tokens[tokens.length - 1][0];
- if (lastTokenType !== 'space' && lastTokenType !== 'comment') break;
- spaces = tokens.pop()[1] + spaces;
- }
- return spaces;
- };
- _proto.spacesAndCommentsFromStart = function spacesAndCommentsFromStart(tokens) {
- var next;
- var spaces = '';
- while (tokens.length) {
- next = tokens[0][0];
- if (next !== 'space' && next !== 'comment') break;
- spaces += tokens.shift()[1];
- }
- return spaces;
- };
- _proto.spacesFromEnd = function spacesFromEnd(tokens) {
- var lastTokenType;
- var spaces = '';
- while (tokens.length) {
- lastTokenType = tokens[tokens.length - 1][0];
- if (lastTokenType !== 'space') break;
- spaces = tokens.pop()[1] + spaces;
- }
- return spaces;
- };
- _proto.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;
- };
- _proto.colon = function colon(tokens) {
- var brackets = 0;
- var token, type, prev;
- for (var i = 0; i < tokens.length; i++) {
- token = tokens[i];
- type = token[0];
- if (type === '(') {
- brackets += 1;
- }
- if (type === ')') {
- brackets -= 1;
- }
- 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;
- }
- ;
- _proto.unclosedBracket = function unclosedBracket(bracket) {
- throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
- };
- _proto.unknownWord = function unknownWord(tokens) {
- throw this.input.error('Unknown word', tokens[0][2], tokens[0][3]);
- };
- _proto.unexpectedClose = function unexpectedClose(token) {
- throw this.input.error('Unexpected }', token[2], token[3]);
- };
- _proto.unclosedBlock = function unclosedBlock() {
- var pos = this.current.source.start;
- throw this.input.error('Unclosed block', pos.line, pos.column);
- };
- _proto.doubleColon = function doubleColon(token) {
- throw this.input.error('Double colon', token[2], token[3]);
- };
- _proto.unnamedAtrule = function unnamedAtrule(node, token) {
- throw this.input.error('At-rule without name', token[2], token[3]);
- };
- _proto.precheckMissedSemicolon = function precheckMissedSemicolon()
- /* tokens */
- {
- };
- _proto.checkMissedSemicolon = function checkMissedSemicolon(tokens) {
- var colon = this.colon(tokens);
- if (colon === false) return;
- var founded = 0;
- var token;
- 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;
|