diff options
Diffstat (limited to 'school/node_modules/source-map/lib/base64.js')
-rw-r--r-- | school/node_modules/source-map/lib/base64.js | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/school/node_modules/source-map/lib/base64.js b/school/node_modules/source-map/lib/base64.js deleted file mode 100644 index 8aa86b3..0000000 --- a/school/node_modules/source-map/lib/base64.js +++ /dev/null @@ -1,67 +0,0 @@ -/* -*- Mode: js; js-indent-level: 2; -*- */ -/* - * Copyright 2011 Mozilla Foundation and contributors - * Licensed under the New BSD license. See LICENSE or: - * http://opensource.org/licenses/BSD-3-Clause - */ - -var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split(''); - -/** - * Encode an integer in the range of 0 to 63 to a single base 64 digit. - */ -exports.encode = function (number) { - if (0 <= number && number < intToCharMap.length) { - return intToCharMap[number]; - } - throw new TypeError("Must be between 0 and 63: " + number); -}; - -/** - * Decode a single base 64 character code digit to an integer. Returns -1 on - * failure. - */ -exports.decode = function (charCode) { - var bigA = 65; // 'A' - var bigZ = 90; // 'Z' - - var littleA = 97; // 'a' - var littleZ = 122; // 'z' - - var zero = 48; // '0' - var nine = 57; // '9' - - var plus = 43; // '+' - var slash = 47; // '/' - - var littleOffset = 26; - var numberOffset = 52; - - // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ - if (bigA <= charCode && charCode <= bigZ) { - return (charCode - bigA); - } - - // 26 - 51: abcdefghijklmnopqrstuvwxyz - if (littleA <= charCode && charCode <= littleZ) { - return (charCode - littleA + littleOffset); - } - - // 52 - 61: 0123456789 - if (zero <= charCode && charCode <= nine) { - return (charCode - zero + numberOffset); - } - - // 62: + - if (charCode == plus) { - return 62; - } - - // 63: / - if (charCode == slash) { - return 63; - } - - // Invalid base64 digit. - return -1; -}; |