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Edit File: tokenize-interpolant.js

'use strict';

exports.__esModule = true;
exports.default = tokenize;

var _input = require('./input');

var _input2 = _interopRequireDefault(_input);

var _tokenizeString2 = require('./tokenize-string');

var _tokenizeString3 = _interopRequireDefault(_tokenizeString2);

var _tokenizeComment2 = require('./tokenize-comment');

var _tokenizeComment3 = _interopRequireDefault(_tokenizeComment2);

var _tokenizeInterpolant2 = require('./tokenize-interpolant');

var _tokenizeInterpolant3 = _interopRequireDefault(_tokenizeInterpolant2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var singleQuote = "'".charCodeAt(0),
    doubleQuote = '"'.charCodeAt(0),
    dollar = '$'.charCodeAt(0),
    hash = '#'.charCodeAt(0),
    backslash = '\\'.charCodeAt(0),
    slash = '/'.charCodeAt(0),
    newline = '\n'.charCodeAt(0),
    space = ' '.charCodeAt(0),
    feed = '\f'.charCodeAt(0),
    tab = '\t'.charCodeAt(0),
    cr = '\r'.charCodeAt(0),
    openBracket = '('.charCodeAt(0),
    closeBracket = ')'.charCodeAt(0),
    openCurly = '{'.charCodeAt(0),
    closeCurly = '}'.charCodeAt(0),
    semicolon = ';'.charCodeAt(0),
    asterisk = '*'.charCodeAt(0),
    colon = ':'.charCodeAt(0),
    at = '@'.charCodeAt(0),
    comma = ','.charCodeAt(0),
    plus = '+'.charCodeAt(0),
    minus = '-'.charCodeAt(0),
    decComb = '>'.charCodeAt(0),
    adjComb = '~'.charCodeAt(0),
    number = /[+-]?(\d+(\.\d+)?|\.\d+)|(e[+-]\d+)/gi,
    sQuoteEnd = /(.*?)[^\\](?=((#{)|'))/gm,
    dQuoteEnd = /(.*?)[^\\](?=((#{)|"))/gm,
    wordEnd = /[ \n\t\r\{\},:;@!'"\\]|\/(?=\*)|#(?={)/g,
    ident = /-?([a-z_]|\\[^\\])([a-z-_0-9]|\\[^\\])*/gi;

function tokenize(input, l, p) {
    var tokens = [];
    var css = input.css.valueOf();

var code = void 0,
        next = void 0,
        quote = void 0,
        lines = void 0,
        last = void 0,
        content = void 0,
        escape = void 0,
        nextLine = void 0,
        nextOffset = void 0,
        escaped = void 0,
        escapePos = void 0,
        inInterpolant = void 0,
        inComment = void 0,
        inString = void 0;

var length = css.length;
    var offset = -1;
    var line = l || 1;
    var pos = p || 0;

loop: while (pos < length) {
        code = css.charCodeAt(pos);

if (code === newline) {
            offset = pos;
            line += 1;
        }

switch (code) {
            case space:
            case tab:
            case cr:
            case feed:
                next = pos;
                do {
                    next += 1;
                    code = css.charCodeAt(next);
                    if (code === newline) {
                        offset = next;
                        line += 1;
                    }
                } while (code === space || code === tab || code === cr || code === feed);

tokens.push(['space', css.slice(pos, next)]);
                pos = next - 1;
                break;

case newline:
                tokens.push(['newline', '\n', line, pos - offset]);
                break;

case plus:
                tokens.push(['+', '+', line, pos - offset]);
                break;

case minus:
                tokens.push(['-', '-', line, pos - offset]);
                break;

case decComb:
                tokens.push(['>', '>', line, pos - offset]);
                break;

case adjComb:
                tokens.push(['~', '~', line, pos - offset]);
                break;

case openCurly:
                tokens.push(['{', '{', line, pos - offset]);
                break;

case closeCurly:
                if (inInterpolant) {
                    inInterpolant = false;
                    tokens.push(['endInterpolant', '}', line, pos - offset]);
                } else {
                    break loop;
                }
                break;

case comma:
                tokens.push([',', ',', line, pos - offset]);
                break;

case dollar:
                tokens.push(['$', '$', line, pos - offset]);
                break;

case colon:
                tokens.push([':', ':', line, pos - offset]);
                break;

case semicolon:
                tokens.push([';', ';', line, pos - offset]);
                break;

case openBracket:
                tokens.push(['(', '(', line, pos - offset]);
                break;

case closeBracket:
                tokens.push([')', ')', line, pos - offset]);
                break;

case singleQuote:
            case doubleQuote:
                quote = code === singleQuote ? "'" : '"';
                tokens.push([quote, quote, line, pos - offset]);
                next = pos + 1;

var _tokenizeString = (0, _tokenizeString3.default)(input, line, next, quote),
                    t = _tokenizeString.tokens,
                    _p = _tokenizeString.pos;

tokens = tokens.concat(t);
                next = _p;

pos = next;
                break;

case at:
                tokens.push(['@', '@', line, pos - offset]);
                break;

case backslash:
                next = pos;
                escape = true;
                while (css.charCodeAt(next + 1) === backslash) {
                    next += 1;
                    escape = !escape;
                }
                code = css.charCodeAt(next + 1);
                if (escape && code !== space && code !== newline && code !== tab && code !== cr && code !== feed) {
                    next += 1;
                }
                tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);
                pos = next;
                break;

default:
                ident.lastIndex = pos;
                number.lastIndex = pos;
                wordEnd.lastIndex = pos;

if (code === slash && css.charCodeAt(pos + 1) === asterisk) {
                    inComment = true;
                    tokens.push(['startComment', '/*', line, pos + 1 - offset]);
                    next = pos + 1;

var _tokenizeComment = (0, _tokenizeComment3.default)(input, line, next + 1),
                        _t = _tokenizeComment.tokens,
                        _l = _tokenizeComment.line,
                        _p2 = _tokenizeComment.pos,
                        o = _tokenizeComment.offset;

tokens = tokens.concat(_t);
                    next = _p2;
                    line = _l;
                    offset = o;

pos = next;
                    break;
                }

if (code === asterisk && css.charCodeAt(pos + 1) !== slash) {
                    tokens.push(['*', '*', line, pos - offset]);
                    break;
                }

if (inComment && code === asterisk && css.charCodeAt(pos + 1) === slash) {
                    inComment = false;
                    tokens.push(['endComment', '*/', line, pos + 1 - offset]);
                    pos += 2;
                    break;
                }

if (code === slash && css.charCodeAt(pos + 1) !== slash) {
                    tokens.push(['/', '/', line, pos - offset]);
                    pos += 2;
                    break;
                }

if (code === hash && css.charCodeAt(pos + 1) === openCurly) {
                    inInterpolant = true;
                    tokens.push(['startInterpolant', '#{', line, pos + 1 - offset]);
                    next = pos + 1;

var _tokenizeInterpolant = (0, _tokenizeInterpolant3.default)(input, line, next + 1),
                        _t2 = _tokenizeInterpolant.tokens,
                        _p3 = _tokenizeInterpolant.pos;

tokens = tokens.concat(_t2);
                    next = _p3;

pos = next;
                    break;
                }

if (code === slash && css.charCodeAt(pos + 1) === slash) {
                    next = css.indexOf('\n\n', pos + 2);
                    next = next > 0 ? next : css.length;

tokens.push(['scssComment', css.slice(pos, next), line, pos - offset, line, next - offset]);

pos = next;
                    break;
                }

if (ident.test(css) && (ident.lastIndex = pos || 1) && ident.exec(css).index === pos) {
                    next = ident.lastIndex - 1;

tokens.push(['ident', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);

pos = next;
                    break;
                }

if (number.test(css) && (number.lastIndex = pos || 1) && number.exec(css).index === pos) {
                    next = number.lastIndex - 1;

tokens.push(['number', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);

pos = next;
                    break;
                }

wordEnd.lastIndex = pos + 1;
                wordEnd.test(css);
                if (wordEnd.lastIndex === 0) {
                    next = css.length - 1;
                } else {
                    next = wordEnd.lastIndex - 2;
                }

tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);

pos = next;

break;
        }

pos++;
    }

return { tokens: tokens, pos: pos };
}

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