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Unified Diff: assets/js/punycode.js

Issue 6590816134889472: Noissue - Removed unused assets (Closed)
Patch Set: Created Oct. 14, 2014, 9:51 a.m.
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Index: assets/js/punycode.js
diff --git a/assets/js/punycode.js b/assets/js/punycode.js
deleted file mode 100755
index 16979195dd2c63373122d186584785bd656ecc4e..0000000000000000000000000000000000000000
--- a/assets/js/punycode.js
+++ /dev/null
@@ -1,514 +0,0 @@
-/*!
- * Punycode.js <http://mths.be/punycode>
- * Copyright 2011 Mathias Bynens <http://mathiasbynens.be/>
- * Available under MIT license <http://mths.be/mit>
- */
-
-;(function(root) {
-
- /**
- * The `punycode` object.
- * @name punycode
- * @type Object
- */
- 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
-
- /** Bootstring parameters */
- base = 36,
- tMin = 1,
- tMax = 26,
- skew = 38,
- damp = 700,
- initialBias = 72,
- initialN = 128, // 0x80
- delimiter = '-', // '\x2D'
-
- /** Regular expressions */
- regexASCII = /[^\x20-\x7e]/,
- regexPunycode = /^xn--/,
-
- /** Error messages */
- errors = {
- 'overflow': 'Overflow: input needs wider integers to process.',
- 'utf16decode': 'UTF-16(decode): illegal UTF-16 sequence',
- 'utf16encode': 'UTF-16(encode): illegal UTF-16 value',
- 'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
- 'invalid-input': 'Invalid input'
- },
-
- /** Convenience shortcuts */
- baseMinusTMin = base - tMin,
- floor = Math.floor,
- stringFromCharCode = String.fromCharCode,
-
- /** Temporary variable */
- key;
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * A generic error utility function.
- * @private
- * @param {String} type The error type.
- * @returns {Error} Throws a `RangeError` with the applicable error message.
- */
- function error(type) {
- throw RangeError(errors[type]);
- }
-
- /**
- * A generic `Array#map` utility function.
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} callback The function that gets called for every array
- * item.
- * @returns {Array} A new array of values returned by the callback function.
- */
- function map(array, fn) {
- var length = array.length;
- while (length--) {
- array[length] = fn(array[length]);
- }
- return array;
- }
-
- /**
- * A simple `Array#map`-like wrapper to work with domain name strings.
- * @private
- * @param {String} domain The domain name.
- * @param {Function} callback The function that gets called for every
- * character.
- * @returns {Array} A new string of characters returned by the callback
- * function.
- */
- function mapDomain(string, fn) {
- var glue = '.';
- return map(string.split(glue), fn).join(glue);
- }
-
- /**
- * Creates an array containing the decimal code points of each character in
- * the string.
- * @see `punycode.utf16.encode`
- * @see <http://tools.ietf.org/html/rfc2781>
- * @memberOf punycode.utf16
- * @name decode
- * @param {String} string The Unicode input string.
- * @returns {Array} The new array.
- */
- function utf16decode(string) {
- var output = [],
- counter = 0,
- length = string.length,
- value,
- extra;
- while (counter < length) {
- value = string.charCodeAt(counter++);
- if ((value & 0xF800) == 0xD800) {
- extra = string.charCodeAt(counter++);
- if ((value & 0xFC00) != 0xD800 || (extra & 0xFC00) != 0xDC00) {
- error('utf16decode');
- }
- value = ((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000;
- }
- output.push(value);
- }
- return output;
- }
-
- /**
- * Creates a string based on an array of decimal code points.
- * @see `punycode.utf16.decode`
- * @see <http://tools.ietf.org/html/rfc2781>
- * @memberOf punycode.utf16
- * @name encode
- * @param {Array} codePoints The array of decimal code points.
- * @returns {String} The new string.
- */
- function utf16encode(array) {
- return map(array, function(value) {
- var output = '';
- if ((value & 0xF800) == 0xD800) {
- error('utf16encode');
- }
- if (value > 0xFFFF) {
- value -= 0x10000;
- output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
- value = 0xDC00 | value & 0x3FF;
- }
- output += stringFromCharCode(value);
- return output;
- }).join('');
- }
-
- /**
- * Converts a basic code point into a digit/integer.
- * @see `digitToBasic()`
- * @private
- * @param {Number} codePoint The basic (decimal) code point.
- * @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;
- }
-
- /**
- * Converts a digit/integer into a basic code point.
- * @see `basicToDigit()`
- * @private
- * @param {Number} digit The numeric value of a basic code point.
- * @returns {Number} The basic code point whose value (when used for
- * 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.
- */
- function digitToBasic(digit, flag) {
- // 0..25 map to ASCII a..z or A..Z
- // 26..35 map to ASCII 0..9
- return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
- }
-
- /**
- * Bias adaptation function as per section 3.4 of RFC 3492.
- * http://tools.ietf.org/html/rfc3492#section-3.4
- * @private
- */
- function adapt(delta, numPoints, firstTime) {
- var k = 0;
- delta = firstTime ? floor(delta / damp) : delta >> 1;
- delta += floor(delta / numPoints);
- for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
- delta = floor(delta / baseMinusTMin);
- }
- return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
- }
-
- /**
- * Converts a basic code point to lowercase is `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.
- * @memberOf punycode
- * @param {String} input The Punycode string of ASCII code points.
- * @returns {String} The resulting string of Unicode code points.
- */
- function decode(input) {
- // Don't use UTF-16
- var output = [],
- inputLength = input.length,
- out,
- i = 0,
- n = initialN,
- bias = initialBias,
- basic,
- j,
- index,
- oldi,
- w,
- k,
- digit,
- t,
- length,
- /** Cached calculation results */
- baseMinusT;
-
- // Handle the basic code points: let `basic` be the number of input code
- // points before the last delimiter, or `0` if there is none, then copy
- // the first basic code points to the output.
-
- basic = input.lastIndexOf(delimiter);
- if (basic < 0) {
- basic = 0;
- }
-
- for (j = 0; j < basic; ++j) {
- // if it's not a basic code point
- if (input.charCodeAt(j) >= 0x80) {
- error('not-basic');
- }
- output.push(input.charCodeAt(j));
- }
-
- // Main decoding loop: start just after the last delimiter if any basic code
- // points were copied; start at the beginning otherwise.
-
- for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
-
- // `index` is the index of the next character to be consumed.
- // Decode a generalized variable-length integer into `delta`,
- // which gets added to `i`. The overflow checking is easier
- // if we increase `i` as we go, then subtract off its starting
- // value at the end to obtain `delta`.
- for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
-
- if (index >= inputLength) {
- error('invalid-input');
- }
-
- digit = basicToDigit(input.charCodeAt(index++));
-
- if (digit >= base || digit > floor((maxInt - i) / w)) {
- error('overflow');
- }
-
- i += digit * w;
- t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
-
- if (digit < t) {
- break;
- }
-
- baseMinusT = base - t;
- if (w > floor(maxInt / baseMinusT)) {
- error('overflow');
- }
-
- w *= baseMinusT;
-
- }
-
- out = output.length + 1;
- bias = adapt(i - oldi, out, oldi == 0);
-
- // `i` was supposed to wrap around from `out` to `0`,
- // incrementing `n` each time, so we'll fix that now:
- if (floor(i / out) > maxInt - n) {
- error('overflow');
- }
-
- n += floor(i / out);
- i %= out;
-
- // Insert `n` at position `i` of the output
- output.splice(i++, 0, n);
-
- }
-
- return utf16encode(output);
- }
-
- /**
- * Converts a string of Unicode code points to a Punycode string of ASCII
- * code points.
- * @memberOf punycode
- * @param {String} input The string of Unicode code points.
- * @returns {String} The resulting Punycode string of ASCII code points.
- */
- function encode(input) {
- var n,
- delta,
- handledCPCount,
- basicLength,
- bias,
- j,
- m,
- q,
- k,
- t,
- currentValue,
- output = [],
- /** `inputLength` will hold the number of code points in `input`. */
- inputLength,
- /** Cached calculation results */
- handledCPCountPlusOne,
- baseMinusT,
- qMinusT;
-
- // Convert the input in UTF-16 to Unicode
- input = utf16decode(input);
-
- // Cache the length
- inputLength = input.length;
-
- // Initialize the state
- n = initialN;
- delta = 0;
- bias = initialBias;
-
- // Handle the basic code points
- for (j = 0; j < inputLength; ++j) {
- currentValue = input[j];
- if (currentValue < 0x80) {
- output.push(stringFromCharCode(currentValue));
- }
- }
-
- handledCPCount = basicLength = output.length;
-
- // `handledCPCount` is the number of code points that have been handled;
- // `basicLength` is the number of basic code points.
-
- // Finish the basic string - if it is not empty - with a delimiter
- if (basicLength) {
- output.push(delimiter);
- }
-
- // Main encoding loop:
- while (handledCPCount < inputLength) {
-
- // All non-basic code points < n have been handled already. Find the next
- // larger one:
- for (m = maxInt, j = 0; j < inputLength; ++j) {
- currentValue = input[j];
- if (currentValue >= n && currentValue < m) {
- m = currentValue;
- }
- }
-
- // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
- // but guard against overflow
- handledCPCountPlusOne = handledCPCount + 1;
- if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
- error('overflow');
- }
-
- delta += (m - n) * handledCPCountPlusOne;
- n = m;
-
- for (j = 0; j < inputLength; ++j) {
- currentValue = input[j];
-
- if (currentValue < n && ++delta > maxInt) {
- error('overflow');
- }
-
- if (currentValue == n) {
- // Represent delta as a generalized variable-length integer
- for (q = delta, k = base; /* no condition */; k += base) {
- t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
- if (q < t) {
- break;
- }
- qMinusT = q - t;
- baseMinusT = base - t;
- output.push(
- stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
- );
- q = floor(qMinusT / baseMinusT);
- }
-
- output.push(stringFromCharCode(digitToBasic(q, 0)));
- bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
- delta = 0;
- ++handledCPCount;
- }
- }
-
- ++delta;
- ++n;
-
- }
- return output.join('');
- }
-
- /**
- * Converts a Punycode string representing a domain name to Unicode. Only the
- * Punycoded parts of the domain name will be converted, i.e. it doesn't
- * matter if you call it on a string that has already been converted to
- * Unicode.
- * @memberOf punycode
- * @param {String} domain The Punycode domain name to convert to Unicode.
- * @returns {String} The Unicode representation of the given Punycode
- * string.
- */
- function toUnicode(domain) {
- return mapDomain(domain, function(string) {
- return regexPunycode.test(string)
- ? decode(string.slice(4).toLowerCase())
- : string;
- });
- }
-
- /**
- * Converts a Unicode string representing a domain name to Punycode. Only the
- * non-ASCII parts of the domain name will be converted, i.e. it doesn't
- * matter if you call it with a domain that's already in ASCII.
- * @memberOf punycode
- * @param {String} domain The domain name to convert, as a Unicode string.
- * @returns {String} The Punycode representation of the given domain name.
- */
- function toASCII(domain) {
- return mapDomain(domain, function(string) {
- return regexASCII.test(string)
- ? 'xn--' + encode(string)
- : string;
- });
- }
-
- /*--------------------------------------------------------------------------*/
-
- /** Define the public API */
- punycode = {
- /**
- * A string representing the current Punycode.js version number.
- * @memberOf punycode
- * @type String
- */
- 'version': '0.2.0',
- /**
- * An object of methods to convert from JavaScript's internal character
- * representation to Unicode and back.
- * @memberOf punycode
- * @type Object
- */
- 'utf16': {
- 'decode': utf16decode,
- 'encode': utf16encode
- },
- 'decode': decode,
- 'encode': encode,
- 'toASCII': toASCII,
- 'toUnicode': toUnicode
- };
-
- /** Expose `punycode` */
- if (freeExports) {
- if (freeModule && freeModule.exports == freeExports) {
- // in Node.js or Ringo 0.8+
- freeModule.exports = punycode;
- } else {
- // in Narwhal or Ringo 0.7-
- 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
- root.punycode = punycode;
- }
-
-}(this));
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