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- 'use strict';
- exports.__esModule = true;
- exports.default = tokenize;
- var SINGLE_QUOTE = 39;
- var DOUBLE_QUOTE = 34;
- var BACKSLASH = 92;
- var SLASH = 47;
- var NEWLINE = 10;
- var SPACE = 32;
- var FEED = 12;
- var TAB = 9;
- var CR = 13;
- var OPEN_SQUARE = 91;
- var CLOSE_SQUARE = 93;
- var OPEN_PARENTHESES = 40;
- var CLOSE_PARENTHESES = 41;
- var OPEN_CURLY = 123;
- var CLOSE_CURLY = 125;
- var SEMICOLON = 59;
- var ASTERISK = 42;
- var COLON = 58;
- var AT = 64;
- var RE_AT_END = /[ \n\t\r\f\{\(\)'"\\;/\[\]#]/g;
- var RE_WORD_END = /[ \n\t\r\f\(\)\{\}:;@!'"\\\]\[#]|\/(?=\*)/g;
- var RE_BAD_BRACKET = /.[\\\/\("'\n]/;
- function tokenize(input) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var tokens = [];
- var css = input.css.valueOf();
- var ignore = options.ignoreErrors;
- 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,
- prev = void 0,
- n = void 0;
- var length = css.length;
- var offset = -1;
- var line = 1;
- var pos = 0;
- function unclosed(what) {
- throw input.error('Unclosed ' + what, line, pos - offset);
- }
- while (pos < length) {
- code = css.charCodeAt(pos);
- if (code === NEWLINE || code === FEED || code === CR && css.charCodeAt(pos + 1) !== NEWLINE) {
- offset = pos;
- line += 1;
- }
- switch (code) {
- case NEWLINE:
- 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 === NEWLINE || code === TAB || code === CR || code === FEED);
- tokens.push(['space', css.slice(pos, next)]);
- pos = next - 1;
- break;
- case OPEN_SQUARE:
- tokens.push(['[', '[', line, pos - offset]);
- break;
- case CLOSE_SQUARE:
- tokens.push([']', ']', line, pos - offset]);
- break;
- case OPEN_CURLY:
- tokens.push(['{', '{', line, pos - offset]);
- break;
- case CLOSE_CURLY:
- tokens.push(['}', '}', line, pos - offset]);
- break;
- case COLON:
- tokens.push([':', ':', line, pos - offset]);
- break;
- case SEMICOLON:
- tokens.push([';', ';', line, pos - offset]);
- break;
- case OPEN_PARENTHESES:
- prev = tokens.length ? tokens[tokens.length - 1][1] : '';
- n = css.charCodeAt(pos + 1);
- if (prev === 'url' && n !== SINGLE_QUOTE && n !== DOUBLE_QUOTE && n !== SPACE && n !== NEWLINE && n !== TAB && n !== FEED && n !== CR) {
- next = pos;
- do {
- escaped = false;
- next = css.indexOf(')', next + 1);
- if (next === -1) {
- if (ignore) {
- next = pos;
- break;
- } else {
- unclosed('bracket');
- }
- }
- escapePos = next;
- while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
- escapePos -= 1;
- escaped = !escaped;
- }
- } while (escaped);
- tokens.push(['brackets', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);
- pos = next;
- } else {
- next = css.indexOf(')', pos + 1);
- content = css.slice(pos, next + 1);
- if (next === -1 || RE_BAD_BRACKET.test(content)) {
- tokens.push(['(', '(', line, pos - offset]);
- } else {
- tokens.push(['brackets', content, line, pos - offset, line, next - offset]);
- pos = next;
- }
- }
- break;
- case CLOSE_PARENTHESES:
- tokens.push([')', ')', line, pos - offset]);
- break;
- case SINGLE_QUOTE:
- case DOUBLE_QUOTE:
- quote = code === SINGLE_QUOTE ? '\'' : '"';
- next = pos;
- do {
- escaped = false;
- next = css.indexOf(quote, next + 1);
- if (next === -1) {
- if (ignore) {
- next = pos + 1;
- break;
- } else {
- unclosed('string');
- }
- }
- escapePos = next;
- while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
- escapePos -= 1;
- escaped = !escaped;
- }
- } while (escaped);
- content = css.slice(pos, next + 1);
- lines = content.split('\n');
- last = lines.length - 1;
- if (last > 0) {
- nextLine = line + last;
- nextOffset = next - lines[last].length;
- } else {
- nextLine = line;
- nextOffset = offset;
- }
- tokens.push(['string', css.slice(pos, next + 1), line, pos - offset, nextLine, next - nextOffset]);
- offset = nextOffset;
- line = nextLine;
- pos = next;
- break;
- case AT:
- RE_AT_END.lastIndex = pos + 1;
- RE_AT_END.test(css);
- if (RE_AT_END.lastIndex === 0) {
- next = css.length - 1;
- } else {
- next = RE_AT_END.lastIndex - 2;
- }
- tokens.push(['at-word', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);
- pos = next;
- 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 !== SLASH && 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:
- if (code === SLASH && css.charCodeAt(pos + 1) === ASTERISK) {
- next = css.indexOf('*/', pos + 2) + 1;
- if (next === 0) {
- if (ignore) {
- next = css.length;
- } else {
- unclosed('comment');
- }
- }
- content = css.slice(pos, next + 1);
- lines = content.split('\n');
- last = lines.length - 1;
- if (last > 0) {
- nextLine = line + last;
- nextOffset = next - lines[last].length;
- } else {
- nextLine = line;
- nextOffset = offset;
- }
- tokens.push(['comment', content, line, pos - offset, nextLine, next - nextOffset]);
- offset = nextOffset;
- line = nextLine;
- pos = next;
- } else {
- RE_WORD_END.lastIndex = pos + 1;
- RE_WORD_END.test(css);
- if (RE_WORD_END.lastIndex === 0) {
- next = css.length - 1;
- } else {
- next = RE_WORD_END.lastIndex - 2;
- }
- tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset]);
- pos = next;
- }
- break;
- }
- pos++;
- }
- return tokens;
- }
- module.exports = exports['default'];
- //# 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SINGLE_QUOTE      = '\\''.charCodeAt(0);\nconst DOUBLE_QUOTE      =  '\"'.charCodeAt(0);\nconst BACKSLASH         = '\\\\'.charCodeAt(0);\nconst SLASH             =  '/'.charCodeAt(0);\nconst NEWLINE           = '\\n'.charCodeAt(0);\nconst SPACE             =  ' '.charCodeAt(0);\nconst FEED              = '\\f'.charCodeAt(0);\nconst TAB               = '\\t'.charCodeAt(0);\nconst CR                = '\\r'.charCodeAt(0);\nconst OPEN_SQUARE       =  '['.charCodeAt(0);\nconst CLOSE_SQUARE      =  ']'.charCodeAt(0);\nconst OPEN_PARENTHESES  =  '('.charCodeAt(0);\nconst CLOSE_PARENTHESES =  ')'.charCodeAt(0);\nconst OPEN_CURLY        =  '{'.charCodeAt(0);\nconst CLOSE_CURLY       =  '}'.charCodeAt(0);\nconst SEMICOLON         =  ';'.charCodeAt(0);\nconst ASTERISK          =  '*'.charCodeAt(0);\nconst COLON             =  ':'.charCodeAt(0);\nconst AT                =  '@'.charCodeAt(0);\n\nconst RE_AT_END      = /[ \\n\\t\\r\\f\\{\\(\\)'\"\\\\;/\\[\\]#]/g;\nconst RE_WORD_END    = /[ \\n\\t\\r\\f\\(\\)\\{\\}:;@!'\"\\\\\\]\\[#]|\\/(?=\\*)/g;\nconst RE_BAD_BRACKET = /.[\\\\\\/\\(\"'\\n]/;\n\nexport default function tokenize(input, options = { }) {\n    let tokens = [];\n    let css    = input.css.valueOf();\n\n    let ignore = options.ignoreErrors;\n\n    let code, next, quote, lines, last, content, escape,\n        nextLine, nextOffset, escaped, escapePos, prev, n;\n\n    let length = css.length;\n    let offset = -1;\n    let line   =  1;\n    let pos    =  0;\n\n    function unclosed(what) {\n        throw input.error('Unclosed ' + what, line, pos - offset);\n    }\n\n    while ( pos < length ) {\n        code = css.charCodeAt(pos);\n\n        if ( code === NEWLINE || code === FEED ||\n             code === CR && css.charCodeAt(pos + 1) !== NEWLINE ) {\n            offset = pos;\n            line  += 1;\n        }\n\n        switch ( code ) {\n        case NEWLINE:\n        case SPACE:\n        case TAB:\n        case CR:\n        case FEED:\n            next = pos;\n            do {\n                next += 1;\n                code = css.charCodeAt(next);\n                if ( code === NEWLINE ) {\n                    offset = next;\n                    line  += 1;\n                }\n            } while ( code === SPACE   ||\n                      code === NEWLINE ||\n                      code === TAB     ||\n                      code === CR      ||\n                      code === FEED );\n\n            tokens.push(['space', css.slice(pos, next)]);\n            pos = next - 1;\n            break;\n\n        case OPEN_SQUARE:\n            tokens.push(['[', '[', line, pos - offset]);\n            break;\n\n        case CLOSE_SQUARE:\n            tokens.push([']', ']', line, pos - offset]);\n            break;\n\n        case OPEN_CURLY:\n            tokens.push(['{', '{', line, pos - offset]);\n            break;\n\n        case CLOSE_CURLY:\n            tokens.push(['}', '}', line, pos - offset]);\n            break;\n\n        case COLON:\n            tokens.push([':', ':', line, pos - offset]);\n            break;\n\n        case SEMICOLON:\n            tokens.push([';', ';', line, pos - offset]);\n            break;\n\n        case OPEN_PARENTHESES:\n            prev = tokens.length ? tokens[tokens.length - 1][1] : '';\n            n    = css.charCodeAt(pos + 1);\n            if ( prev === 'url' && n !== SINGLE_QUOTE && n !== DOUBLE_QUOTE &&\n                                   n !== SPACE && n !== NEWLINE && n !== TAB &&\n                                   n !== FEED && n !== CR ) {\n                next = pos;\n                do {\n                    escaped = false;\n                    next    = css.indexOf(')', next + 1);\n                    if ( next === -1 ) {\n                        if ( ignore ) {\n                            next = pos;\n                            break;\n                        } else {\n                            unclosed('bracket');\n                        }\n                    }\n                    escapePos = next;\n                    while ( css.charCodeAt(escapePos - 1) === BACKSLASH ) {\n                        escapePos -= 1;\n                        escaped = !escaped;\n                    }\n                } while ( escaped );\n\n                tokens.push(['brackets', css.slice(pos, next + 1),\n                    line, pos  - offset,\n                    line, next - offset\n                ]);\n                pos = next;\n\n            } else {\n                next    = css.indexOf(')', pos + 1);\n                content = css.slice(pos, next + 1);\n\n                if ( next === -1 || RE_BAD_BRACKET.test(content) ) {\n                    tokens.push(['(', '(', line, pos - offset]);\n                } else {\n                    tokens.push(['brackets', content,\n                        line, pos  - offset,\n                        line, next - offset\n                    ]);\n                    pos = next;\n                }\n            }\n\n            break;\n\n        case CLOSE_PARENTHESES:\n            tokens.push([')', ')', line, pos - offset]);\n            break;\n\n        case SINGLE_QUOTE:\n        case DOUBLE_QUOTE:\n            quote = code === SINGLE_QUOTE ? '\\'' : '\"';\n            next  = pos;\n            do {\n                escaped = false;\n                next    = css.indexOf(quote, next + 1);\n                if ( next === -1 ) {\n                    if ( ignore ) {\n                        next = pos + 1;\n                        break;\n                    } else {\n                        unclosed('string');\n                    }\n                }\n                escapePos = next;\n                while ( css.charCodeAt(escapePos - 1) === BACKSLASH ) {\n                    escapePos -= 1;\n                    escaped = !escaped;\n                }\n            } while ( escaped );\n\n            content = css.slice(pos, next + 1);\n            lines   = content.split('\\n');\n            last    = lines.length - 1;\n\n            if ( last > 0 ) {\n                nextLine   = line + last;\n                nextOffset = next - lines[last].length;\n            } else {\n                nextLine   = line;\n                nextOffset = offset;\n            }\n\n            tokens.push(['string', css.slice(pos, next + 1),\n                line, pos  - offset,\n                nextLine, next - nextOffset\n            ]);\n\n            offset = nextOffset;\n            line   = nextLine;\n            pos    = next;\n            break;\n\n        case AT:\n            RE_AT_END.lastIndex = pos + 1;\n            RE_AT_END.test(css);\n            if ( RE_AT_END.lastIndex === 0 ) {\n                next = css.length - 1;\n            } else {\n                next = RE_AT_END.lastIndex - 2;\n            }\n            tokens.push(['at-word', css.slice(pos, next + 1),\n                line, pos  - offset,\n                line, next - offset\n            ]);\n            pos = next;\n            break;\n\n        case BACKSLASH:\n            next   = pos;\n            escape = true;\n            while ( css.charCodeAt(next + 1) === BACKSLASH ) {\n                next  += 1;\n                escape = !escape;\n            }\n            code = css.charCodeAt(next + 1);\n            if ( escape && (code !== SLASH   &&\n                            code !== SPACE   &&\n                            code !== NEWLINE &&\n                            code !== TAB     &&\n                            code !== CR      &&\n                            code !== FEED ) ) {\n                next += 1;\n            }\n            tokens.push(['word', css.slice(pos, next + 1),\n                line, pos  - offset,\n                line, next - offset\n            ]);\n            pos = next;\n            break;\n\n        default:\n            if ( code === SLASH && css.charCodeAt(pos + 1) === ASTERISK ) {\n                next = css.indexOf('*/', pos + 2) + 1;\n                if ( next === 0 ) {\n                    if ( ignore ) {\n                        next = css.length;\n                    } else {\n                        unclosed('comment');\n                    }\n                }\n\n                content = css.slice(pos, next + 1);\n                lines   = content.split('\\n');\n                last    = lines.length - 1;\n\n                if ( last > 0 ) {\n                    nextLine   = line + last;\n                    nextOffset = next - lines[last].length;\n                } else {\n                    nextLine   = line;\n                    nextOffset = offset;\n                }\n\n                tokens.push(['comment', content,\n                    line,     pos  - offset,\n                    nextLine, next - nextOffset\n                ]);\n\n                offset = nextOffset;\n                line   = nextLine;\n                pos    = next;\n\n            } else {\n                RE_WORD_END.lastIndex = pos + 1;\n                RE_WORD_END.test(css);\n                if ( RE_WORD_END.lastIndex === 0 ) {\n                    next = css.length - 1;\n                } else {\n                    next = RE_WORD_END.lastIndex - 2;\n                }\n\n                tokens.push(['word', css.slice(pos, next + 1),\n                    line, pos  - offset,\n                    line, next - offset\n                ]);\n                pos = next;\n            }\n\n            break;\n        }\n\n        pos++;\n    }\n\n    return tokens;\n}\n"]}
|