979 lines
27 KiB
JavaScript
979 lines
27 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.WhitespaceToken = exports.URLToken = exports.SuffixMatchToken = exports.SubstringMatchToken = exports.StringValuedToken = exports.StringToken = exports.SemicolonToken = exports.PrefixMatchToken = exports.PercentageToken = exports.OpenSquareToken = exports.OpenParenToken = exports.OpenCurlyToken = exports.NumberToken = exports.InvalidCharacterError = exports.IncludeMatchToken = exports.IdentToken = exports.HashToken = exports.GroupingToken = exports.FunctionToken = exports.EOFToken = exports.DimensionToken = exports.DelimToken = exports.DashMatchToken = exports.CommaToken = exports.ColumnToken = exports.ColonToken = exports.CloseSquareToken = exports.CloseParenToken = exports.CloseCurlyToken = exports.CSSParserToken = exports.CDOToken = exports.CDCToken = exports.BadURLToken = exports.BadStringToken = exports.AtKeywordToken = void 0;
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exports.tokenize = tokenize;
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/* eslint-disable notice/notice */
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/*
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* The code in this file is licensed under the CC0 license.
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* http://creativecommons.org/publicdomain/zero/1.0/
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* It is free to use for any purpose. No attribution, permission, or reproduction of this license is required.
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*/
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// Original at https://github.com/tabatkins/parse-css
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// Changes:
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// - JS is replaced with TS.
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// - Universal Module Definition wrapper is removed.
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// - Everything not related to tokenizing - below the first exports block - is removed.
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const between = function (num, first, last) {
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return num >= first && num <= last;
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};
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function digit(code) {
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return between(code, 0x30, 0x39);
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}
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function hexdigit(code) {
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return digit(code) || between(code, 0x41, 0x46) || between(code, 0x61, 0x66);
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}
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function uppercaseletter(code) {
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return between(code, 0x41, 0x5a);
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}
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function lowercaseletter(code) {
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return between(code, 0x61, 0x7a);
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}
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function letter(code) {
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return uppercaseletter(code) || lowercaseletter(code);
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}
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function nonascii(code) {
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return code >= 0x80;
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}
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function namestartchar(code) {
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return letter(code) || nonascii(code) || code === 0x5f;
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}
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function namechar(code) {
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return namestartchar(code) || digit(code) || code === 0x2d;
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}
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function nonprintable(code) {
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return between(code, 0, 8) || code === 0xb || between(code, 0xe, 0x1f) || code === 0x7f;
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}
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function newline(code) {
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return code === 0xa;
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}
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function whitespace(code) {
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return newline(code) || code === 9 || code === 0x20;
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}
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const maximumallowedcodepoint = 0x10ffff;
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class InvalidCharacterError extends Error {
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constructor(message) {
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super(message);
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this.name = 'InvalidCharacterError';
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}
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}
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exports.InvalidCharacterError = InvalidCharacterError;
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function preprocess(str) {
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// Turn a string into an array of code points,
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// following the preprocessing cleanup rules.
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const codepoints = [];
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for (let i = 0; i < str.length; i++) {
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let code = str.charCodeAt(i);
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if (code === 0xd && str.charCodeAt(i + 1) === 0xa) {
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code = 0xa;
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i++;
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}
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if (code === 0xd || code === 0xc) code = 0xa;
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if (code === 0x0) code = 0xfffd;
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if (between(code, 0xd800, 0xdbff) && between(str.charCodeAt(i + 1), 0xdc00, 0xdfff)) {
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// Decode a surrogate pair into an astral codepoint.
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const lead = code - 0xd800;
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const trail = str.charCodeAt(i + 1) - 0xdc00;
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code = Math.pow(2, 16) + lead * Math.pow(2, 10) + trail;
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i++;
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}
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codepoints.push(code);
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}
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return codepoints;
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}
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function stringFromCode(code) {
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if (code <= 0xffff) return String.fromCharCode(code);
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// Otherwise, encode astral char as surrogate pair.
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code -= Math.pow(2, 16);
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const lead = Math.floor(code / Math.pow(2, 10)) + 0xd800;
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const trail = code % Math.pow(2, 10) + 0xdc00;
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return String.fromCharCode(lead) + String.fromCharCode(trail);
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}
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function tokenize(str1) {
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const str = preprocess(str1);
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let i = -1;
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const tokens = [];
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let code;
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// Line number information.
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let line = 0;
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let column = 0;
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// The only use of lastLineLength is in reconsume().
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let lastLineLength = 0;
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const incrLineno = function () {
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line += 1;
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lastLineLength = column;
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column = 0;
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};
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const locStart = {
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line: line,
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column: column
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};
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const codepoint = function (i) {
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if (i >= str.length) return -1;
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return str[i];
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};
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const next = function (num) {
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if (num === undefined) num = 1;
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if (num > 3) throw 'Spec Error: no more than three codepoints of lookahead.';
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return codepoint(i + num);
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};
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const consume = function (num) {
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if (num === undefined) num = 1;
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i += num;
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code = codepoint(i);
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if (newline(code)) incrLineno();else column += num;
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// console.log('Consume '+i+' '+String.fromCharCode(code) + ' 0x' + code.toString(16));
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return true;
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};
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const reconsume = function () {
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i -= 1;
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if (newline(code)) {
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line -= 1;
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column = lastLineLength;
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} else {
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column -= 1;
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}
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locStart.line = line;
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locStart.column = column;
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return true;
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};
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const eof = function (codepoint) {
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if (codepoint === undefined) codepoint = code;
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return codepoint === -1;
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};
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const donothing = function () {};
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const parseerror = function () {
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// Language bindings don't like writing to stdout!
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// console.log('Parse error at index ' + i + ', processing codepoint 0x' + code.toString(16) + '.'); return true;
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};
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const consumeAToken = function () {
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consumeComments();
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consume();
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if (whitespace(code)) {
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while (whitespace(next())) consume();
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return new WhitespaceToken();
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} else if (code === 0x22) {
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return consumeAStringToken();
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} else if (code === 0x23) {
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if (namechar(next()) || areAValidEscape(next(1), next(2))) {
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const token = new HashToken('');
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if (wouldStartAnIdentifier(next(1), next(2), next(3))) token.type = 'id';
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token.value = consumeAName();
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return token;
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x24) {
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if (next() === 0x3d) {
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consume();
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return new SuffixMatchToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x27) {
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return consumeAStringToken();
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} else if (code === 0x28) {
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return new OpenParenToken();
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} else if (code === 0x29) {
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return new CloseParenToken();
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} else if (code === 0x2a) {
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if (next() === 0x3d) {
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consume();
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return new SubstringMatchToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x2b) {
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if (startsWithANumber()) {
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reconsume();
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return consumeANumericToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x2c) {
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return new CommaToken();
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} else if (code === 0x2d) {
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if (startsWithANumber()) {
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reconsume();
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return consumeANumericToken();
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} else if (next(1) === 0x2d && next(2) === 0x3e) {
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consume(2);
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return new CDCToken();
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} else if (startsWithAnIdentifier()) {
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reconsume();
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return consumeAnIdentlikeToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x2e) {
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if (startsWithANumber()) {
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reconsume();
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return consumeANumericToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x3a) {
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return new ColonToken();
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} else if (code === 0x3b) {
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return new SemicolonToken();
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} else if (code === 0x3c) {
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if (next(1) === 0x21 && next(2) === 0x2d && next(3) === 0x2d) {
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consume(3);
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return new CDOToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x40) {
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if (wouldStartAnIdentifier(next(1), next(2), next(3))) return new AtKeywordToken(consumeAName());else return new DelimToken(code);
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} else if (code === 0x5b) {
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return new OpenSquareToken();
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} else if (code === 0x5c) {
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if (startsWithAValidEscape()) {
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reconsume();
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return consumeAnIdentlikeToken();
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} else {
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parseerror();
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return new DelimToken(code);
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}
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} else if (code === 0x5d) {
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return new CloseSquareToken();
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} else if (code === 0x5e) {
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if (next() === 0x3d) {
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consume();
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return new PrefixMatchToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x7b) {
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return new OpenCurlyToken();
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} else if (code === 0x7c) {
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if (next() === 0x3d) {
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consume();
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return new DashMatchToken();
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} else if (next() === 0x7c) {
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consume();
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return new ColumnToken();
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} else {
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return new DelimToken(code);
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}
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} else if (code === 0x7d) {
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return new CloseCurlyToken();
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} else if (code === 0x7e) {
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if (next() === 0x3d) {
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consume();
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return new IncludeMatchToken();
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} else {
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return new DelimToken(code);
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}
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} else if (digit(code)) {
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reconsume();
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return consumeANumericToken();
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} else if (namestartchar(code)) {
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reconsume();
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return consumeAnIdentlikeToken();
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} else if (eof()) {
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return new EOFToken();
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} else {
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return new DelimToken(code);
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}
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};
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const consumeComments = function () {
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while (next(1) === 0x2f && next(2) === 0x2a) {
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consume(2);
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while (true) {
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consume();
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if (code === 0x2a && next() === 0x2f) {
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consume();
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break;
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} else if (eof()) {
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parseerror();
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return;
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}
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}
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}
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};
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const consumeANumericToken = function () {
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const num = consumeANumber();
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if (wouldStartAnIdentifier(next(1), next(2), next(3))) {
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const token = new DimensionToken();
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token.value = num.value;
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token.repr = num.repr;
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token.type = num.type;
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token.unit = consumeAName();
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return token;
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} else if (next() === 0x25) {
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consume();
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const token = new PercentageToken();
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token.value = num.value;
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token.repr = num.repr;
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return token;
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} else {
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const token = new NumberToken();
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token.value = num.value;
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token.repr = num.repr;
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token.type = num.type;
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return token;
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}
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};
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const consumeAnIdentlikeToken = function () {
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const str = consumeAName();
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if (str.toLowerCase() === 'url' && next() === 0x28) {
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consume();
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while (whitespace(next(1)) && whitespace(next(2))) consume();
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if (next() === 0x22 || next() === 0x27) return new FunctionToken(str);else if (whitespace(next()) && (next(2) === 0x22 || next(2) === 0x27)) return new FunctionToken(str);else return consumeAURLToken();
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} else if (next() === 0x28) {
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consume();
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return new FunctionToken(str);
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} else {
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return new IdentToken(str);
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}
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};
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const consumeAStringToken = function (endingCodePoint) {
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if (endingCodePoint === undefined) endingCodePoint = code;
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let string = '';
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while (consume()) {
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if (code === endingCodePoint || eof()) {
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return new StringToken(string);
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} else if (newline(code)) {
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parseerror();
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reconsume();
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return new BadStringToken();
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} else if (code === 0x5c) {
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if (eof(next())) donothing();else if (newline(next())) consume();else string += stringFromCode(consumeEscape());
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} else {
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string += stringFromCode(code);
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}
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}
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throw new Error('Internal error');
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};
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const consumeAURLToken = function () {
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const token = new URLToken('');
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while (whitespace(next())) consume();
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if (eof(next())) return token;
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while (consume()) {
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if (code === 0x29 || eof()) {
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return token;
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} else if (whitespace(code)) {
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while (whitespace(next())) consume();
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if (next() === 0x29 || eof(next())) {
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consume();
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return token;
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} else {
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consumeTheRemnantsOfABadURL();
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return new BadURLToken();
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}
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} else if (code === 0x22 || code === 0x27 || code === 0x28 || nonprintable(code)) {
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parseerror();
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consumeTheRemnantsOfABadURL();
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return new BadURLToken();
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} else if (code === 0x5c) {
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if (startsWithAValidEscape()) {
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token.value += stringFromCode(consumeEscape());
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} else {
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parseerror();
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consumeTheRemnantsOfABadURL();
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return new BadURLToken();
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}
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} else {
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token.value += stringFromCode(code);
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}
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}
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throw new Error('Internal error');
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};
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const consumeEscape = function () {
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// Assume the current character is the \
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// and the next code point is not a newline.
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consume();
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if (hexdigit(code)) {
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// Consume 1-6 hex digits
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const digits = [code];
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for (let total = 0; total < 5; total++) {
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if (hexdigit(next())) {
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consume();
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digits.push(code);
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} else {
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break;
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}
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}
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if (whitespace(next())) consume();
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let value = parseInt(digits.map(function (x) {
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return String.fromCharCode(x);
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}).join(''), 16);
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if (value > maximumallowedcodepoint) value = 0xfffd;
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return value;
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} else if (eof()) {
|
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return 0xfffd;
|
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} else {
|
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return code;
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}
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};
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const areAValidEscape = function (c1, c2) {
|
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if (c1 !== 0x5c) return false;
|
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if (newline(c2)) return false;
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return true;
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};
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const startsWithAValidEscape = function () {
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return areAValidEscape(code, next());
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};
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const wouldStartAnIdentifier = function (c1, c2, c3) {
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if (c1 === 0x2d) return namestartchar(c2) || c2 === 0x2d || areAValidEscape(c2, c3);else if (namestartchar(c1)) return true;else if (c1 === 0x5c) return areAValidEscape(c1, c2);else return false;
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};
|
|
const startsWithAnIdentifier = function () {
|
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return wouldStartAnIdentifier(code, next(1), next(2));
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};
|
|
const wouldStartANumber = function (c1, c2, c3) {
|
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if (c1 === 0x2b || c1 === 0x2d) {
|
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if (digit(c2)) return true;
|
|
if (c2 === 0x2e && digit(c3)) return true;
|
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return false;
|
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} else if (c1 === 0x2e) {
|
|
if (digit(c2)) return true;
|
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return false;
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} else if (digit(c1)) {
|
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return true;
|
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} else {
|
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return false;
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}
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};
|
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const startsWithANumber = function () {
|
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return wouldStartANumber(code, next(1), next(2));
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};
|
|
const consumeAName = function () {
|
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let result = '';
|
|
while (consume()) {
|
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if (namechar(code)) {
|
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result += stringFromCode(code);
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|
} else if (startsWithAValidEscape()) {
|
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result += stringFromCode(consumeEscape());
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|
} else {
|
|
reconsume();
|
|
return result;
|
|
}
|
|
}
|
|
throw new Error('Internal parse error');
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|
};
|
|
const consumeANumber = function () {
|
|
let repr = '';
|
|
let type = 'integer';
|
|
if (next() === 0x2b || next() === 0x2d) {
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consume();
|
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repr += stringFromCode(code);
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}
|
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while (digit(next())) {
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consume();
|
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repr += stringFromCode(code);
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}
|
|
if (next(1) === 0x2e && digit(next(2))) {
|
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consume();
|
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repr += stringFromCode(code);
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consume();
|
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repr += stringFromCode(code);
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type = 'number';
|
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while (digit(next())) {
|
|
consume();
|
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repr += stringFromCode(code);
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}
|
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}
|
|
const c1 = next(1),
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c2 = next(2),
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c3 = next(3);
|
|
if ((c1 === 0x45 || c1 === 0x65) && digit(c2)) {
|
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consume();
|
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repr += stringFromCode(code);
|
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consume();
|
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repr += stringFromCode(code);
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type = 'number';
|
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while (digit(next())) {
|
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consume();
|
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repr += stringFromCode(code);
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}
|
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} else if ((c1 === 0x45 || c1 === 0x65) && (c2 === 0x2b || c2 === 0x2d) && digit(c3)) {
|
|
consume();
|
|
repr += stringFromCode(code);
|
|
consume();
|
|
repr += stringFromCode(code);
|
|
consume();
|
|
repr += stringFromCode(code);
|
|
type = 'number';
|
|
while (digit(next())) {
|
|
consume();
|
|
repr += stringFromCode(code);
|
|
}
|
|
}
|
|
const value = convertAStringToANumber(repr);
|
|
return {
|
|
type: type,
|
|
value: value,
|
|
repr: repr
|
|
};
|
|
};
|
|
const convertAStringToANumber = function (string) {
|
|
// CSS's number rules are identical to JS, afaik.
|
|
return +string;
|
|
};
|
|
const consumeTheRemnantsOfABadURL = function () {
|
|
while (consume()) {
|
|
if (code === 0x29 || eof()) {
|
|
return;
|
|
} else if (startsWithAValidEscape()) {
|
|
consumeEscape();
|
|
donothing();
|
|
} else {
|
|
donothing();
|
|
}
|
|
}
|
|
};
|
|
let iterationCount = 0;
|
|
while (!eof(next())) {
|
|
tokens.push(consumeAToken());
|
|
iterationCount++;
|
|
if (iterationCount > str.length * 2) throw new Error("I'm infinite-looping!");
|
|
}
|
|
return tokens;
|
|
}
|
|
class CSSParserToken {
|
|
constructor() {
|
|
this.tokenType = '';
|
|
this.value = void 0;
|
|
}
|
|
toJSON() {
|
|
return {
|
|
token: this.tokenType
|
|
};
|
|
}
|
|
toString() {
|
|
return this.tokenType;
|
|
}
|
|
toSource() {
|
|
return '' + this;
|
|
}
|
|
}
|
|
exports.CSSParserToken = CSSParserToken;
|
|
class BadStringToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = 'BADSTRING';
|
|
}
|
|
}
|
|
exports.BadStringToken = BadStringToken;
|
|
class BadURLToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = 'BADURL';
|
|
}
|
|
}
|
|
exports.BadURLToken = BadURLToken;
|
|
class WhitespaceToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = 'WHITESPACE';
|
|
}
|
|
toString() {
|
|
return 'WS';
|
|
}
|
|
toSource() {
|
|
return ' ';
|
|
}
|
|
}
|
|
exports.WhitespaceToken = WhitespaceToken;
|
|
class CDOToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = 'CDO';
|
|
}
|
|
toSource() {
|
|
return '<!--';
|
|
}
|
|
}
|
|
exports.CDOToken = CDOToken;
|
|
class CDCToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = 'CDC';
|
|
}
|
|
toSource() {
|
|
return '-->';
|
|
}
|
|
}
|
|
exports.CDCToken = CDCToken;
|
|
class ColonToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = ':';
|
|
}
|
|
}
|
|
exports.ColonToken = ColonToken;
|
|
class SemicolonToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = ';';
|
|
}
|
|
}
|
|
exports.SemicolonToken = SemicolonToken;
|
|
class CommaToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = ',';
|
|
}
|
|
}
|
|
exports.CommaToken = CommaToken;
|
|
class GroupingToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.value = '';
|
|
this.mirror = '';
|
|
}
|
|
}
|
|
exports.GroupingToken = GroupingToken;
|
|
class OpenCurlyToken extends GroupingToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = '{';
|
|
this.value = '{';
|
|
this.mirror = '}';
|
|
}
|
|
}
|
|
exports.OpenCurlyToken = OpenCurlyToken;
|
|
class CloseCurlyToken extends GroupingToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = '}';
|
|
this.value = '}';
|
|
this.mirror = '{';
|
|
}
|
|
}
|
|
exports.CloseCurlyToken = CloseCurlyToken;
|
|
class OpenSquareToken extends GroupingToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = '[';
|
|
this.value = '[';
|
|
this.mirror = ']';
|
|
}
|
|
}
|
|
exports.OpenSquareToken = OpenSquareToken;
|
|
class CloseSquareToken extends GroupingToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = ']';
|
|
this.value = ']';
|
|
this.mirror = '[';
|
|
}
|
|
}
|
|
exports.CloseSquareToken = CloseSquareToken;
|
|
class OpenParenToken extends GroupingToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = '(';
|
|
this.value = '(';
|
|
this.mirror = ')';
|
|
}
|
|
}
|
|
exports.OpenParenToken = OpenParenToken;
|
|
class CloseParenToken extends GroupingToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = ')';
|
|
this.value = ')';
|
|
this.mirror = '(';
|
|
}
|
|
}
|
|
exports.CloseParenToken = CloseParenToken;
|
|
class IncludeMatchToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = '~=';
|
|
}
|
|
}
|
|
exports.IncludeMatchToken = IncludeMatchToken;
|
|
class DashMatchToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = '|=';
|
|
}
|
|
}
|
|
exports.DashMatchToken = DashMatchToken;
|
|
class PrefixMatchToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = '^=';
|
|
}
|
|
}
|
|
exports.PrefixMatchToken = PrefixMatchToken;
|
|
class SuffixMatchToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = '$=';
|
|
}
|
|
}
|
|
exports.SuffixMatchToken = SuffixMatchToken;
|
|
class SubstringMatchToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = '*=';
|
|
}
|
|
}
|
|
exports.SubstringMatchToken = SubstringMatchToken;
|
|
class ColumnToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = '||';
|
|
}
|
|
}
|
|
exports.ColumnToken = ColumnToken;
|
|
class EOFToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tokenType = 'EOF';
|
|
}
|
|
toSource() {
|
|
return '';
|
|
}
|
|
}
|
|
exports.EOFToken = EOFToken;
|
|
class DelimToken extends CSSParserToken {
|
|
constructor(code) {
|
|
super();
|
|
this.tokenType = 'DELIM';
|
|
this.value = '';
|
|
this.value = stringFromCode(code);
|
|
}
|
|
toString() {
|
|
return 'DELIM(' + this.value + ')';
|
|
}
|
|
toJSON() {
|
|
const json = this.constructor.prototype.constructor.prototype.toJSON.call(this);
|
|
json.value = this.value;
|
|
return json;
|
|
}
|
|
toSource() {
|
|
if (this.value === '\\') return '\\\n';else return this.value;
|
|
}
|
|
}
|
|
exports.DelimToken = DelimToken;
|
|
class StringValuedToken extends CSSParserToken {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.value = '';
|
|
}
|
|
ASCIIMatch(str) {
|
|
return this.value.toLowerCase() === str.toLowerCase();
|
|
}
|
|
toJSON() {
|
|
const json = this.constructor.prototype.constructor.prototype.toJSON.call(this);
|
|
json.value = this.value;
|
|
return json;
|
|
}
|
|
}
|
|
exports.StringValuedToken = StringValuedToken;
|
|
class IdentToken extends StringValuedToken {
|
|
constructor(val) {
|
|
super();
|
|
this.tokenType = 'IDENT';
|
|
this.value = val;
|
|
}
|
|
toString() {
|
|
return 'IDENT(' + this.value + ')';
|
|
}
|
|
toSource() {
|
|
return escapeIdent(this.value);
|
|
}
|
|
}
|
|
exports.IdentToken = IdentToken;
|
|
class FunctionToken extends StringValuedToken {
|
|
constructor(val) {
|
|
super();
|
|
this.tokenType = 'FUNCTION';
|
|
this.mirror = void 0;
|
|
this.value = val;
|
|
this.mirror = ')';
|
|
}
|
|
toString() {
|
|
return 'FUNCTION(' + this.value + ')';
|
|
}
|
|
toSource() {
|
|
return escapeIdent(this.value) + '(';
|
|
}
|
|
}
|
|
exports.FunctionToken = FunctionToken;
|
|
class AtKeywordToken extends StringValuedToken {
|
|
constructor(val) {
|
|
super();
|
|
this.tokenType = 'AT-KEYWORD';
|
|
this.value = val;
|
|
}
|
|
toString() {
|
|
return 'AT(' + this.value + ')';
|
|
}
|
|
toSource() {
|
|
return '@' + escapeIdent(this.value);
|
|
}
|
|
}
|
|
exports.AtKeywordToken = AtKeywordToken;
|
|
class HashToken extends StringValuedToken {
|
|
constructor(val) {
|
|
super();
|
|
this.tokenType = 'HASH';
|
|
this.type = void 0;
|
|
this.value = val;
|
|
this.type = 'unrestricted';
|
|
}
|
|
toString() {
|
|
return 'HASH(' + this.value + ')';
|
|
}
|
|
toJSON() {
|
|
const json = this.constructor.prototype.constructor.prototype.toJSON.call(this);
|
|
json.value = this.value;
|
|
json.type = this.type;
|
|
return json;
|
|
}
|
|
toSource() {
|
|
if (this.type === 'id') return '#' + escapeIdent(this.value);else return '#' + escapeHash(this.value);
|
|
}
|
|
}
|
|
exports.HashToken = HashToken;
|
|
class StringToken extends StringValuedToken {
|
|
constructor(val) {
|
|
super();
|
|
this.tokenType = 'STRING';
|
|
this.value = val;
|
|
}
|
|
toString() {
|
|
return '"' + escapeString(this.value) + '"';
|
|
}
|
|
}
|
|
exports.StringToken = StringToken;
|
|
class URLToken extends StringValuedToken {
|
|
constructor(val) {
|
|
super();
|
|
this.tokenType = 'URL';
|
|
this.value = val;
|
|
}
|
|
toString() {
|
|
return 'URL(' + this.value + ')';
|
|
}
|
|
toSource() {
|
|
return 'url("' + escapeString(this.value) + '")';
|
|
}
|
|
}
|
|
exports.URLToken = URLToken;
|
|
class NumberToken extends CSSParserToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = 'NUMBER';
|
|
this.type = void 0;
|
|
this.repr = void 0;
|
|
this.type = 'integer';
|
|
this.repr = '';
|
|
}
|
|
toString() {
|
|
if (this.type === 'integer') return 'INT(' + this.value + ')';
|
|
return 'NUMBER(' + this.value + ')';
|
|
}
|
|
toJSON() {
|
|
const json = super.toJSON();
|
|
json.value = this.value;
|
|
json.type = this.type;
|
|
json.repr = this.repr;
|
|
return json;
|
|
}
|
|
toSource() {
|
|
return this.repr;
|
|
}
|
|
}
|
|
exports.NumberToken = NumberToken;
|
|
class PercentageToken extends CSSParserToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = 'PERCENTAGE';
|
|
this.repr = void 0;
|
|
this.repr = '';
|
|
}
|
|
toString() {
|
|
return 'PERCENTAGE(' + this.value + ')';
|
|
}
|
|
toJSON() {
|
|
const json = this.constructor.prototype.constructor.prototype.toJSON.call(this);
|
|
json.value = this.value;
|
|
json.repr = this.repr;
|
|
return json;
|
|
}
|
|
toSource() {
|
|
return this.repr + '%';
|
|
}
|
|
}
|
|
exports.PercentageToken = PercentageToken;
|
|
class DimensionToken extends CSSParserToken {
|
|
constructor() {
|
|
super();
|
|
this.tokenType = 'DIMENSION';
|
|
this.type = void 0;
|
|
this.repr = void 0;
|
|
this.unit = void 0;
|
|
this.type = 'integer';
|
|
this.repr = '';
|
|
this.unit = '';
|
|
}
|
|
toString() {
|
|
return 'DIM(' + this.value + ',' + this.unit + ')';
|
|
}
|
|
toJSON() {
|
|
const json = this.constructor.prototype.constructor.prototype.toJSON.call(this);
|
|
json.value = this.value;
|
|
json.type = this.type;
|
|
json.repr = this.repr;
|
|
json.unit = this.unit;
|
|
return json;
|
|
}
|
|
toSource() {
|
|
const source = this.repr;
|
|
let unit = escapeIdent(this.unit);
|
|
if (unit[0].toLowerCase() === 'e' && (unit[1] === '-' || between(unit.charCodeAt(1), 0x30, 0x39))) {
|
|
// Unit is ambiguous with scinot
|
|
// Remove the leading "e", replace with escape.
|
|
unit = '\\65 ' + unit.slice(1, unit.length);
|
|
}
|
|
return source + unit;
|
|
}
|
|
}
|
|
exports.DimensionToken = DimensionToken;
|
|
function escapeIdent(string) {
|
|
string = '' + string;
|
|
let result = '';
|
|
const firstcode = string.charCodeAt(0);
|
|
for (let i = 0; i < string.length; i++) {
|
|
const code = string.charCodeAt(i);
|
|
if (code === 0x0) throw new InvalidCharacterError('Invalid character: the input contains U+0000.');
|
|
if (between(code, 0x1, 0x1f) || code === 0x7f || i === 0 && between(code, 0x30, 0x39) || i === 1 && between(code, 0x30, 0x39) && firstcode === 0x2d) result += '\\' + code.toString(16) + ' ';else if (code >= 0x80 || code === 0x2d || code === 0x5f || between(code, 0x30, 0x39) || between(code, 0x41, 0x5a) || between(code, 0x61, 0x7a)) result += string[i];else result += '\\' + string[i];
|
|
}
|
|
return result;
|
|
}
|
|
function escapeHash(string) {
|
|
// Escapes the contents of "unrestricted"-type hash tokens.
|
|
// Won't preserve the ID-ness of "id"-type hash tokens;
|
|
// use escapeIdent() for that.
|
|
string = '' + string;
|
|
let result = '';
|
|
for (let i = 0; i < string.length; i++) {
|
|
const code = string.charCodeAt(i);
|
|
if (code === 0x0) throw new InvalidCharacterError('Invalid character: the input contains U+0000.');
|
|
if (code >= 0x80 || code === 0x2d || code === 0x5f || between(code, 0x30, 0x39) || between(code, 0x41, 0x5a) || between(code, 0x61, 0x7a)) result += string[i];else result += '\\' + code.toString(16) + ' ';
|
|
}
|
|
return result;
|
|
}
|
|
function escapeString(string) {
|
|
string = '' + string;
|
|
let result = '';
|
|
for (let i = 0; i < string.length; i++) {
|
|
const code = string.charCodeAt(i);
|
|
if (code === 0x0) throw new InvalidCharacterError('Invalid character: the input contains U+0000.');
|
|
if (between(code, 0x1, 0x1f) || code === 0x7f) result += '\\' + code.toString(16) + ' ';else if (code === 0x22 || code === 0x5c) result += '\\' + string[i];else result += string[i];
|
|
}
|
|
return result;
|
|
} |