Brunobkr/llama.cpp_AlgMor24_github

1"use strict";2 3exports.__esModule = true;4exports["default"] = unesc;5 6// Many thanks for this post which made this migration much easier.7// https://mathiasbynens.be/notes/css-escapes8 9/**10 * 11 * @param {string} str 12 * @returns {[string, number]|undefined}13 */14function gobbleHex(str) {15  var lower = str.toLowerCase();16  var hex = '';17  var spaceTerminated = false;18 19  for (var i = 0; i < 6 && lower[i] !== undefined; i++) {20    var code = lower.charCodeAt(i); // check to see if we are dealing with a valid hex char [a-f|0-9]21 22    var valid = code >= 97 && code <= 102 || code >= 48 && code <= 57; // https://drafts.csswg.org/css-syntax/#consume-escaped-code-point23 24    spaceTerminated = code === 32;25 26    if (!valid) {27      break;28    }29 30    hex += lower[i];31  }32 33  if (hex.length === 0) {34    return undefined;35  }36 37  var codePoint = parseInt(hex, 16);38  var isSurrogate = codePoint >= 0xD800 && codePoint <= 0xDFFF; // Add special case for39  // "If this number is zero, or is for a surrogate, or is greater than the maximum allowed code point"40  // https://drafts.csswg.org/css-syntax/#maximum-allowed-code-point41 42  if (isSurrogate || codePoint === 0x0000 || codePoint > 0x10FFFF) {43    return ["\uFFFD", hex.length + (spaceTerminated ? 1 : 0)];44  }45 46  return [String.fromCodePoint(codePoint), hex.length + (spaceTerminated ? 1 : 0)];47}48 49var CONTAINS_ESCAPE = /\\/;50 51function unesc(str) {52  var needToProcess = CONTAINS_ESCAPE.test(str);53 54  if (!needToProcess) {55    return str;56  }57 58  var ret = "";59 60  for (var i = 0; i < str.length; i++) {61    if (str[i] === "\\") {62      var gobbled = gobbleHex(str.slice(i + 1, i + 7));63 64      if (gobbled !== undefined) {65        ret += gobbled[0];66        i += gobbled[1];67        continue;68      } // Retain a pair of \\ if double escaped `\\\\`69      // https://github.com/postcss/postcss-selector-parser/commit/268c9a7656fb53f543dc620aa5b73a30ec3ff20e70 71 72      if (str[i + 1] === "\\") {73        ret += "\\";74        i++;75        continue;76      } // if \\ is at the end of the string retain it77      // https://github.com/postcss/postcss-selector-parser/commit/01a6b346e3612ce1ab20219acc26abdc259ccefb78 79 80      if (str.length === i + 1) {81        ret += str[i];82      }83 84      continue;85    }86 87    ret += str[i];88  }89 90  return ret;91}92 93module.exports = exports.default;