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-rw-r--r--node_modules/autoprefixer/node_modules/postcss/lib/tokenize.js295
1 files changed, 295 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/node_modules/postcss/lib/tokenize.js b/node_modules/autoprefixer/node_modules/postcss/lib/tokenize.js
new file mode 100644
index 0000000..5b556bf
--- /dev/null
+++ b/node_modules/autoprefixer/node_modules/postcss/lib/tokenize.js
@@ -0,0 +1,295 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = tokenizer;
+var SINGLE_QUOTE = '\''.charCodeAt(0);
+var DOUBLE_QUOTE = '"'.charCodeAt(0);
+var BACKSLASH = '\\'.charCodeAt(0);
+var SLASH = '/'.charCodeAt(0);
+var NEWLINE = '\n'.charCodeAt(0);
+var SPACE = ' '.charCodeAt(0);
+var FEED = '\f'.charCodeAt(0);
+var TAB = '\t'.charCodeAt(0);
+var CR = '\r'.charCodeAt(0);
+var OPEN_SQUARE = '['.charCodeAt(0);
+var CLOSE_SQUARE = ']'.charCodeAt(0);
+var OPEN_PARENTHESES = '('.charCodeAt(0);
+var CLOSE_PARENTHESES = ')'.charCodeAt(0);
+var OPEN_CURLY = '{'.charCodeAt(0);
+var CLOSE_CURLY = '}'.charCodeAt(0);
+var SEMICOLON = ';'.charCodeAt(0);
+var ASTERISK = '*'.charCodeAt(0);
+var COLON = ':'.charCodeAt(0);
+var AT = '@'.charCodeAt(0);
+var RE_AT_END = /[ \n\t\r\f{}()'"\\;/[\]#]/g;
+var RE_WORD_END = /[ \n\t\r\f(){}:;@!'"\\\][#]|\/(?=\*)/g;
+var RE_BAD_BRACKET = /.[\\/("'\n]/;
+var RE_HEX_ESCAPE = /[a-f0-9]/i;
+
+function tokenizer(input, options) {
+ if (options === void 0) {
+ options = {};
+ }
+
+ var css = input.css.valueOf();
+ var ignore = options.ignoreErrors;
+ var code, next, quote, lines, last, content, escape;
+ var nextLine, nextOffset, escaped, escapePos, prev, n, currentToken;
+ var length = css.length;
+ var offset = -1;
+ var line = 1;
+ var pos = 0;
+ var buffer = [];
+ var returned = [];
+
+ function position() {
+ return pos;
+ }
+
+ function unclosed(what) {
+ throw input.error('Unclosed ' + what, line, pos - offset);
+ }
+
+ function endOfFile() {
+ return returned.length === 0 && pos >= length;
+ }
+
+ function nextToken(opts) {
+ if (returned.length) return returned.pop();
+ if (pos >= length) return;
+ var ignoreUnclosed = opts ? opts.ignoreUnclosed : false;
+ 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);
+
+ currentToken = ['space', css.slice(pos, next)];
+ pos = next - 1;
+ break;
+
+ case OPEN_SQUARE:
+ case CLOSE_SQUARE:
+ case OPEN_CURLY:
+ case CLOSE_CURLY:
+ case COLON:
+ case SEMICOLON:
+ case CLOSE_PARENTHESES:
+ var controlChar = String.fromCharCode(code);
+ currentToken = [controlChar, controlChar, line, pos - offset];
+ break;
+
+ case OPEN_PARENTHESES:
+ prev = buffer.length ? buffer.pop()[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 || ignoreUnclosed) {
+ next = pos;
+ break;
+ } else {
+ unclosed('bracket');
+ }
+ }
+
+ escapePos = next;
+
+ while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
+ escapePos -= 1;
+ escaped = !escaped;
+ }
+ } while (escaped);
+
+ currentToken = ['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)) {
+ currentToken = ['(', '(', line, pos - offset];
+ } else {
+ currentToken = ['brackets', content, line, pos - offset, line, next - offset];
+ pos = next;
+ }
+ }
+
+ 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 || ignoreUnclosed) {
+ 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;
+ }
+
+ currentToken = ['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;
+ }
+
+ currentToken = ['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;
+
+ if (RE_HEX_ESCAPE.test(css.charAt(next))) {
+ while (RE_HEX_ESCAPE.test(css.charAt(next + 1))) {
+ next += 1;
+ }
+
+ if (css.charCodeAt(next + 1) === SPACE) {
+ next += 1;
+ }
+ }
+ }
+
+ currentToken = ['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 || ignoreUnclosed) {
+ 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;
+ }
+
+ currentToken = ['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;
+ }
+
+ currentToken = ['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
+ buffer.push(currentToken);
+ pos = next;
+ }
+
+ break;
+ }
+
+ pos++;
+ return currentToken;
+ }
+
+ function back(token) {
+ returned.push(token);
+ }
+
+ return {
+ back: back,
+ nextToken: nextToken,
+ endOfFile: endOfFile,
+ position: position
+ };
+}
+
+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]/\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  let 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 position () {\n    return pos\n  }\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 (opts) {\n    if (returned.length) return returned.pop()\n    if (pos >= length) return\n\n    let ignoreUnclosed = opts ? opts.ignoreUnclosed : false\n\n    code = css.charCodeAt(pos)\n    if (\n      code === NEWLINE || code === FEED ||\n      (code === CR && css.charCodeAt(pos + 1) !== NEWLINE)\n    ) {\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 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       n !== SPACE && n !== NEWLINE && n !== TAB &&\n          n !== FEED && n !== CR\n        ) {\n          next = pos\n          do {\n            escaped = false\n            next = css.indexOf(')', next + 1)\n            if (next === -1) {\n              if (ignore || ignoreUnclosed) {\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        } 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 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 || ignoreUnclosed) {\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 (\n          escape &&\n          code !== SLASH &&\n          code !== SPACE &&\n          code !== NEWLINE &&\n          code !== TAB &&\n          code !== CR &&\n          code !== FEED\n        ) {\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 || ignoreUnclosed) {\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        } 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    position\n  }\n}\n"],"file":"tokenize.js"}