From: Mathias Bynens Date: Thu, 20 Jun 2013 10:40:44 +0000 (+0200) Subject: punycode: update to v1.2.3 X-Git-Tag: v0.11.3~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=24ba9fdec8c4ba0fd367aef4a3f266f69d8655aa;p=platform%2Fupstream%2Fnodejs.git punycode: update to v1.2.3 --- diff --git a/lib/punycode.js b/lib/punycode.js index 163923c..41803ba 100644 --- a/lib/punycode.js +++ b/lib/punycode.js @@ -1,6 +1,15 @@ -/*! http://mths.be/punycode v1.2.0 by @mathias */ +/*! http://mths.be/punycode v1.2.3 by @mathias */ ;(function(root) { + /** Detect free variables */ + var freeExports = typeof exports == 'object' && exports; + var freeModule = typeof module == 'object' && module && + module.exports == freeExports && module; + var freeGlobal = typeof global == 'object' && global; + if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { + root = freeGlobal; + } + /** * The `punycode` object. * @name punycode @@ -8,13 +17,6 @@ */ var punycode, - /** Detect free variables `define`, `exports`, `module` and `require` */ - freeDefine = typeof define == 'function' && typeof define.amd == 'object' && - define.amd && define, - freeExports = typeof exports == 'object' && exports, - freeModule = typeof module == 'object' && module, - freeRequire = typeof require == 'function' && require, - /** Highest positive signed 32-bit float value */ maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 @@ -90,7 +92,7 @@ } /** - * Creates an array containing the decimal code points of each Unicode + * Creates an array containing the numeric code points of each Unicode * character in the string. While JavaScript uses UCS-2 internally, * this function will convert a pair of surrogate halves (each of which * UCS-2 exposes as separate characters) into a single code point, @@ -110,13 +112,16 @@ extra; while (counter < length) { value = string.charCodeAt(counter++); - if ((value & 0xF800) == 0xD800 && counter < length) { + if (value >= 0xD800 && value <= 0xDBFF && counter < length) { // high surrogate, and there is a next character extra = string.charCodeAt(counter++); if ((extra & 0xFC00) == 0xDC00) { // low surrogate output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); } else { - output.push(value, extra); + // unmatched surrogate; only append this code unit, in case the next + // code unit is the high surrogate of a surrogate pair + output.push(value); + counter--; } } else { output.push(value); @@ -126,11 +131,11 @@ } /** - * Creates a string based on an array of decimal code points. + * Creates a string based on an array of numeric code points. * @see `punycode.ucs2.decode` * @memberOf punycode.ucs2 * @name encode - * @param {Array} codePoints The array of decimal code points. + * @param {Array} codePoints The array of numeric code points. * @returns {String} The new Unicode string (UCS-2). */ function ucs2encode(array) { @@ -150,19 +155,22 @@ * Converts a basic code point into a digit/integer. * @see `digitToBasic()` * @private - * @param {Number} codePoint The basic (decimal) code point. + * @param {Number} codePoint The basic numeric code point value. * @returns {Number} The numeric value of a basic code point (for use in * representing integers) in the range `0` to `base - 1`, or `base` if * the code point does not represent a value. */ function basicToDigit(codePoint) { - return codePoint - 48 < 10 - ? codePoint - 22 - : codePoint - 65 < 26 - ? codePoint - 65 - : codePoint - 97 < 26 - ? codePoint - 97 - : base; + if (codePoint - 48 < 10) { + return codePoint - 22; + } + if (codePoint - 65 < 26) { + return codePoint - 65; + } + if (codePoint - 97 < 26) { + return codePoint - 97; + } + return base; } /** @@ -174,7 +182,7 @@ * representing integers) is `digit`, which needs to be in the range * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is * used; else, the lowercase form is used. The behavior is undefined - * if flag is non-zero and `digit` has no uppercase form. + * if `flag` is non-zero and `digit` has no uppercase form. */ function digitToBasic(digit, flag) { // 0..25 map to ASCII a..z or A..Z @@ -198,25 +206,11 @@ } /** - * Converts a basic code point to lowercase if `flag` is falsy, or to - * uppercase if `flag` is truthy. The code point is unchanged if it's - * caseless. The behavior is undefined if `codePoint` is not a basic code - * point. - * @private - * @param {Number} codePoint The numeric value of a basic code point. - * @returns {Number} The resulting basic code point. - */ - function encodeBasic(codePoint, flag) { - codePoint -= (codePoint - 97 < 26) << 5; - return codePoint + (!flag && codePoint - 65 < 26) << 5; - } - - /** - * Converts a Punycode string of ASCII code points to a string of Unicode - * code points. + * Converts a Punycode string of ASCII-only symbols to a string of Unicode + * symbols. * @memberOf punycode - * @param {String} input The Punycode string of ASCII code points. - * @returns {String} The resulting string of Unicode code points. + * @param {String} input The Punycode string of ASCII-only symbols. + * @returns {String} The resulting string of Unicode symbols. */ function decode(input) { // Don't use UCS-2 @@ -314,11 +308,11 @@ } /** - * Converts a string of Unicode code points to a Punycode string of ASCII - * code points. + * Converts a string of Unicode symbols to a Punycode string of ASCII-only + * symbols. * @memberOf punycode - * @param {String} input The string of Unicode code points. - * @returns {String} The resulting Punycode string of ASCII code points. + * @param {String} input The string of Unicode symbols. + * @returns {String} The resulting Punycode string of ASCII-only symbols. */ function encode(input) { var n, @@ -470,10 +464,10 @@ * @memberOf punycode * @type String */ - 'version': '1.2.0', + 'version': '1.2.3', /** * An object of methods to convert from JavaScript's internal character - * representation (UCS-2) to decimal Unicode code points, and back. + * representation (UCS-2) to Unicode code points, and back. * @see * @memberOf punycode * @type Object @@ -489,21 +483,25 @@ }; /** Expose `punycode` */ - if (freeExports) { - if (freeModule && freeModule.exports == freeExports) { - // in Node.js or Ringo 0.8+ + // Some AMD build optimizers, like r.js, check for specific condition patterns + // like the following: + if ( + typeof define == 'function' && + typeof define.amd == 'object' && + define.amd + ) { + define(function() { + return punycode; + }); + } else if (freeExports && !freeExports.nodeType) { + if (freeModule) { // in Node.js or RingoJS v0.8.0+ freeModule.exports = punycode; - } else { - // in Narwhal or Ringo 0.7- + } else { // in Narwhal or RingoJS v0.7.0- for (key in punycode) { punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); } } - } else if (freeDefine) { - // via curl.js or RequireJS - define('punycode', punycode); - } else { - // in a browser or Rhino + } else { // in Rhino or a web browser root.punycode = punycode; }