.config/coc/extensions/node_modules/coc-prettier/node_modules/postcss/lib/tokenize.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4 exports.default = tokenizer;
   5 var SINGLE_QUOTE = 39;
   6 var DOUBLE_QUOTE = 34;
   7 var BACKSLASH = 92;
   8 var SLASH = 47;
   9 var NEWLINE = 10;
  10 var SPACE = 32;
  11 var FEED = 12;
  12 var TAB = 9;
  13 var CR = 13;
  14 var OPEN_SQUARE = 91;
  15 var CLOSE_SQUARE = 93;
  16 var OPEN_PARENTHESES = 40;
  17 var CLOSE_PARENTHESES = 41;
  18 var OPEN_CURLY = 123;
  19 var CLOSE_CURLY = 125;
  20 var SEMICOLON = 59;
  21 var ASTERISK = 42;
  22 var COLON = 58;
  23 var AT = 64;
  24
  25 var RE_AT_END = /[ \n\t\r\f\{\}\(\)'"\\;/\[\]#]/g;
  26 var RE_WORD_END = /[ \n\t\r\f\(\)\{\}:;@!'"\\\]\[#]|\/(?=\*)/g;
  27 var RE_BAD_BRACKET = /.[\\\/\("'\n]/;
  28 var RE_HEX_ESCAPE = /[a-f0-9]/i;
  29
  30 function tokenizer(input) {
  31     var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  32
  33     var css = input.css.valueOf();
  34     var ignore = options.ignoreErrors;
  35
  36     var code = void 0,
  37         next = void 0,
  38         quote = void 0,
  39         lines = void 0,
  40         last = void 0,
  41         content = void 0,
  42         escape = void 0,
  43         nextLine = void 0,
  44         nextOffset = void 0,
  45         escaped = void 0,
  46         escapePos = void 0,
  47         prev = void 0,
  48         n = void 0,
  49         currentToken = void 0;
  50
  51     var length = css.length;
  52     var offset = -1;
  53     var line = 1;
  54     var pos = 0;
  55     var buffer = [];
  56     var returned = [];
  57
  58     function unclosed(what) {
  59         throw input.error('Unclosed ' + what, line, pos - offset);
  60     }
  61
  62     function endOfFile() {
  63         return returned.length === 0 && pos >= length;
  64     }
  65
  66     function nextToken() {
  67         if (returned.length) return returned.pop();
  68         if (pos >= length) return;
  69
  70         code = css.charCodeAt(pos);
  71         if (code === NEWLINE || code === FEED || code === CR && css.charCodeAt(pos + 1) !== NEWLINE) {
  72             offset = pos;
  73             line += 1;
  74         }
  75
  76         switch (code) {
  77             case NEWLINE:
  78             case SPACE:
  79             case TAB:
  80             case CR:
  81             case FEED:
  82                 next = pos;
  83                 do {
  84                     next += 1;
  85                     code = css.charCodeAt(next);
  86                     if (code === NEWLINE) {
  87                         offset = next;
  88                         line += 1;
  89                     }
  90                 } while (code === SPACE || code === NEWLINE || code === TAB || code === CR || code === FEED);
  91
  92                 currentToken = ['space', css.slice(pos, next)];
  93                 pos = next - 1;
  94                 break;
  95
  96             case OPEN_SQUARE:
  97                 currentToken = ['[', '[', line, pos - offset];
  98                 break;
  99
 100             case CLOSE_SQUARE:
 101                 currentToken = [']', ']', line, pos - offset];
 102                 break;
 103
 104             case OPEN_CURLY:
 105                 currentToken = ['{', '{', line, pos - offset];
 106                 break;
 107
 108             case CLOSE_CURLY:
 109                 currentToken = ['}', '}', line, pos - offset];
 110                 break;
 111
 112             case COLON:
 113                 currentToken = [':', ':', line, pos - offset];
 114                 break;
 115
 116             case SEMICOLON:
 117                 currentToken = [';', ';', line, pos - offset];
 118                 break;
 119
 120             case OPEN_PARENTHESES:
 121                 prev = buffer.length ? buffer.pop()[1] : '';
 122                 n = css.charCodeAt(pos + 1);
 123                 if (prev === 'url' && n !== SINGLE_QUOTE && n !== DOUBLE_QUOTE && n !== SPACE && n !== NEWLINE && n !== TAB && n !== FEED && n !== CR) {
 124                     next = pos;
 125                     do {
 126                         escaped = false;
 127                         next = css.indexOf(')', next + 1);
 128                         if (next === -1) {
 129                             if (ignore) {
 130                                 next = pos;
 131                                 break;
 132                             } else {
 133                                 unclosed('bracket');
 134                             }
 135                         }
 136                         escapePos = next;
 137                         while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
 138                             escapePos -= 1;
 139                             escaped = !escaped;
 140                         }
 141                     } while (escaped);
 142
 143                     currentToken = ['brackets', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
 144
 145                     pos = next;
 146                 } else {
 147                     next = css.indexOf(')', pos + 1);
 148                     content = css.slice(pos, next + 1);
 149
 150                     if (next === -1 || RE_BAD_BRACKET.test(content)) {
 151                         currentToken = ['(', '(', line, pos - offset];
 152                     } else {
 153                         currentToken = ['brackets', content, line, pos - offset, line, next - offset];
 154                         pos = next;
 155                     }
 156                 }
 157
 158                 break;
 159
 160             case CLOSE_PARENTHESES:
 161                 currentToken = [')', ')', line, pos - offset];
 162                 break;
 163
 164             case SINGLE_QUOTE:
 165             case DOUBLE_QUOTE:
 166                 quote = code === SINGLE_QUOTE ? '\'' : '"';
 167                 next = pos;
 168                 do {
 169                     escaped = false;
 170                     next = css.indexOf(quote, next + 1);
 171                     if (next === -1) {
 172                         if (ignore) {
 173                             next = pos + 1;
 174                             break;
 175                         } else {
 176                             unclosed('string');
 177                         }
 178                     }
 179                     escapePos = next;
 180                     while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
 181                         escapePos -= 1;
 182                         escaped = !escaped;
 183                     }
 184                 } while (escaped);
 185
 186                 content = css.slice(pos, next + 1);
 187                 lines = content.split('\n');
 188                 last = lines.length - 1;
 189
 190                 if (last > 0) {
 191                     nextLine = line + last;
 192                     nextOffset = next - lines[last].length;
 193                 } else {
 194                     nextLine = line;
 195                     nextOffset = offset;
 196                 }
 197
 198                 currentToken = ['string', css.slice(pos, next + 1), line, pos - offset, nextLine, next - nextOffset];
 199
 200                 offset = nextOffset;
 201                 line = nextLine;
 202                 pos = next;
 203                 break;
 204
 205             case AT:
 206                 RE_AT_END.lastIndex = pos + 1;
 207                 RE_AT_END.test(css);
 208                 if (RE_AT_END.lastIndex === 0) {
 209                     next = css.length - 1;
 210                 } else {
 211                     next = RE_AT_END.lastIndex - 2;
 212                 }
 213
 214                 currentToken = ['at-word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
 215
 216                 pos = next;
 217                 break;
 218
 219             case BACKSLASH:
 220                 next = pos;
 221                 escape = true;
 222                 while (css.charCodeAt(next + 1) === BACKSLASH) {
 223                     next += 1;
 224                     escape = !escape;
 225                 }
 226                 code = css.charCodeAt(next + 1);
 227                 if (escape && code !== SLASH && code !== SPACE && code !== NEWLINE && code !== TAB && code !== CR && code !== FEED) {
 228                     next += 1;
 229                     if (RE_HEX_ESCAPE.test(css.charAt(next))) {
 230                         while (RE_HEX_ESCAPE.test(css.charAt(next + 1))) {
 231                             next += 1;
 232                         }
 233                         if (css.charCodeAt(next + 1) === SPACE) {
 234                             next += 1;
 235                         }
 236                     }
 237                 }
 238
 239                 currentToken = ['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
 240
 241                 pos = next;
 242                 break;
 243
 244             default:
 245                 if (code === SLASH && css.charCodeAt(pos + 1) === ASTERISK) {
 246                     next = css.indexOf('*/', pos + 2) + 1;
 247                     if (next === 0) {
 248                         if (ignore) {
 249                             next = css.length;
 250                         } else {
 251                             unclosed('comment');
 252                         }
 253                     }
 254
 255                     content = css.slice(pos, next + 1);
 256                     lines = content.split('\n');
 257                     last = lines.length - 1;
 258
 259                     if (last > 0) {
 260                         nextLine = line + last;
 261                         nextOffset = next - lines[last].length;
 262                     } else {
 263                         nextLine = line;
 264                         nextOffset = offset;
 265                     }
 266
 267                     currentToken = ['comment', content, line, pos - offset, nextLine, next - nextOffset];
 268
 269                     offset = nextOffset;
 270                     line = nextLine;
 271                     pos = next;
 272                 } else {
 273                     RE_WORD_END.lastIndex = pos + 1;
 274                     RE_WORD_END.test(css);
 275                     if (RE_WORD_END.lastIndex === 0) {
 276                         next = css.length - 1;
 277                     } else {
 278                         next = RE_WORD_END.lastIndex - 2;
 279                     }
 280
 281                     currentToken = ['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
 282
 283                     buffer.push(currentToken);
 284
 285                     pos = next;
 286                 }
 287
 288                 break;
 289         }
 290
 291         pos++;
 292         return currentToken;
 293     }
 294
 295     function back(token) {
 296         returned.push(token);
 297     }
 298
 299     return {
 300         back: back,
 301         nextToken: nextToken,
 302         endOfFile: endOfFile
 303     };
 304 }
 305 module.exports = exports['default'];
 306 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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]/;\nconst RE_HEX_ESCAPE  = /[a-f0-9]/i;\n\nexport default function tokenizer(input, options = {}) {\n    let css = input.css.valueOf();\n    let ignore = options.ignoreErrors;\n\n    let code, next, quote, lines, last, content, escape,\n        nextLine, nextOffset, escaped, escapePos, prev, n, currentToken;\n\n    let length = css.length;\n    let offset = -1;\n    let line = 1;\n    let pos = 0;\n    let buffer = [];\n    let returned = [];\n\n    function unclosed(what) {\n        throw input.error('Unclosed ' + what, line, pos - offset);\n    }\n\n    function endOfFile() {\n        return returned.length === 0 && pos >= length;\n    }\n\n    function nextToken() {\n        if ( returned.length ) return returned.pop();\n        if ( pos >= length ) return;\n\n        code = css.charCodeAt(pos);\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            currentToken = ['space', css.slice(pos, next)];\n            pos = next - 1;\n            break;\n\n        case OPEN_SQUARE:\n            currentToken = ['[', '[', line, pos - offset];\n            break;\n\n        case CLOSE_SQUARE:\n            currentToken = [']', ']', line, pos - offset];\n            break;\n\n        case OPEN_CURLY:\n            currentToken = ['{', '{', line, pos - offset];\n            break;\n\n        case CLOSE_CURLY:\n            currentToken = ['}', '}', line, pos - offset];\n            break;\n\n        case COLON:\n            currentToken = [':', ':', line, pos - offset];\n            break;\n\n        case SEMICOLON:\n            currentToken = [';', ';', line, pos - offset];\n            break;\n\n        case OPEN_PARENTHESES:\n            prev = buffer.length ? buffer.pop()[1] : '';\n            n    = css.charCodeAt(pos + 1);\n            if ( prev === 'url' &&\n                 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                currentToken = ['brackets', css.slice(pos, next + 1),\n                    line, pos  - offset,\n                    line, next - offset\n                ];\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                    currentToken = ['(', '(', line, pos - offset];\n                } else {\n                    currentToken = ['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            currentToken = [')', ')', 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            currentToken = ['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\n            currentToken = ['at-word', css.slice(pos, next + 1),\n                line, pos  - offset,\n                line, next - offset\n            ];\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                if ( RE_HEX_ESCAPE.test(css.charAt(next)) ) {\n                    while ( RE_HEX_ESCAPE.test(css.charAt(next + 1)) ) {\n                        next += 1;\n                    }\n                    if ( css.charCodeAt(next + 1) === SPACE ) {\n                        next += 1;\n                    }\n                }\n            }\n\n            currentToken = ['word', css.slice(pos, next + 1),\n                line, pos  - offset,\n                line, next - offset\n            ];\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                currentToken = ['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                currentToken = ['word', css.slice(pos, next + 1),\n                    line, pos  - offset,\n                    line, next - offset\n                ];\n\n                buffer.push(currentToken);\n\n                pos = next;\n            }\n\n            break;\n        }\n\n        pos++;\n        return currentToken;\n    }\n\n    function back(token) {\n        returned.push(token);\n    }\n\n    return {\n        back,\n        nextToken,\n        endOfFile\n    };\n}\n"]}