mirror of
https://github.com/snachodog/just-the-docs.git
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Initial commit
This commit is contained in:
Patrick Marsceill
219
node_modules/js-base64/base64_utf8
generated
vendored
Normal file
219
node_modules/js-base64/base64_utf8
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(function(global) {
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'use strict';
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if (global.Base64) return;
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var version = "2.1.1";
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// if node.js, we use Buffer
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var buffer;
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if (typeof module !== 'undefined' && module.exports) {
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buffer = require('buffer').Buffer;
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}
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// constants
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var b64chars
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= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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var b64tab = function(bin) {
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var t = {};
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for (var i = 0, l = bin.length; i < l; i++) t[bin.charAt(i)] = i;
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return t;
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}(b64chars);
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var fromCharCode = String.fromCharCode;
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// encoder stuff
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var cb_utob = function(c) {
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if (c.length < 2) {
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var cc = c.charCodeAt(0);
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return cc < 0x80 ? c
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: cc < 0x800 ? (fromCharCode(0xc0 | (cc >>> 6))
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+ fromCharCode(0x80 | (cc & 0x3f)))
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: (fromCharCode(0xe0 | ((cc >>> 12) & 0x0f))
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+ fromCharCode(0x80 | ((cc >>> 6) & 0x3f))
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+ fromCharCode(0x80 | ( cc & 0x3f)));
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} else {
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var cc = 0x10000
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+ (c.charCodeAt(0) - 0xD800) * 0x400
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+ (c.charCodeAt(1) - 0xDC00);
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return (fromCharCode(0xf0 | ((cc >>> 18) & 0x07))
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+ fromCharCode(0x80 | ((cc >>> 12) & 0x3f))
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+ fromCharCode(0x80 | ((cc >>> 6) & 0x3f))
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+ fromCharCode(0x80 | ( cc & 0x3f)));
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}
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};
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var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
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var utob = function(u) {
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return u.replace(re_utob, cb_utob);
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};
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var cb_encode = function(ccc) {
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var padlen = [0, 2, 1][ccc.length % 3],
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ord = ccc.charCodeAt(0) << 16
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| ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8)
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| ((ccc.length > 2 ? ccc.charCodeAt(2) : 0)),
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chars = [
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b64chars.charAt( ord >>> 18),
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b64chars.charAt((ord >>> 12) & 63),
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padlen >= 2 ? '=' : b64chars.charAt((ord >>> 6) & 63),
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padlen >= 1 ? '=' : b64chars.charAt(ord & 63)
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];
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return chars.join('');
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};
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var btoa = global.btoa || function(b) {
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return b.replace(/[\s\S]{1,3}/g, cb_encode);
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};
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var _encode = buffer
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? function (u) { return _utf8_encode((new buffer(u)).toString('base64')) }
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: function (u) { return _utf8_encode(btoa(utob(u))) }
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;
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var encode = function(u, urisafe) {
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return !urisafe
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? _encode(u)
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: _encode(u).replace(/[+\/]/g, function(m0) {
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return m0 == '+' ? '-' : '_';
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}).replace(/=/g, '');
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};
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var encodeURI = function(u) { return encode(u, true) };
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// decoder stuff
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var re_btou = new RegExp([
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'[\xC0-\xDF][\x80-\xBF]',
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'[\xE0-\xEF][\x80-\xBF]{2}',
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'[\xF0-\xF7][\x80-\xBF]{3}'
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].join('|'), 'g');
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var cb_btou = function(cccc) {
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switch(cccc.length) {
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case 4:
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var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
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| ((0x3f & cccc.charCodeAt(1)) << 12)
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| ((0x3f & cccc.charCodeAt(2)) << 6)
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| (0x3f & cccc.charCodeAt(3)),
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offset = cp - 0x10000;
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return (fromCharCode((offset >>> 10) + 0xD800)
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+ fromCharCode((offset & 0x3FF) + 0xDC00));
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case 3:
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return fromCharCode(
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((0x0f & cccc.charCodeAt(0)) << 12)
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| ((0x3f & cccc.charCodeAt(1)) << 6)
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| (0x3f & cccc.charCodeAt(2))
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);
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default:
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return fromCharCode(
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((0x1f & cccc.charCodeAt(0)) << 6)
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| (0x3f & cccc.charCodeAt(1))
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);
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}
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};
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var _utf8_encode = function ( string ) {
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string = string.replace(/\r\n/g,"\n");
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var utftext = "";
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for (var n = 0; n < string.length; n++) {
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var c = string.charCodeAt(n);
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if (c < 128) {
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utftext += String.fromCharCode(c);
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}
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else if((c > 127) && (c < 2048)) {
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utftext += String.fromCharCode((c >> 6) | 192);
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utftext += String.fromCharCode((c & 63) | 128);
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}
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else {
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utftext += String.fromCharCode((c >> 12) | 224);
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utftext += String.fromCharCode(((c >> 6) & 63) | 128);
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utftext += String.fromCharCode((c & 63) | 128);
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}
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}
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return utftext;
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};
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var _utf8_decode = function (utftext) {
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var string = "";
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var i = 0;
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var c = c1 = c2 = 0;
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while ( i < utftext.length ) {
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c = utftext.charCodeAt(i);
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if (c < 128) {
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string += String.fromCharCode(c);
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i++;
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}
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else if((c > 191) && (c < 224)) {
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c2 = utftext.charCodeAt(i+1);
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string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
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i += 2;
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}
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else {
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c2 = utftext.charCodeAt(i+1);
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c3 = utftext.charCodeAt(i+2);
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string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
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i += 3;
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}
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}
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return string;
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};
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var btou = function(b) {
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return b.replace(re_btou, cb_btou);
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};
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var cb_decode = function(cccc) {
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var len = cccc.length,
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padlen = len % 4,
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n = (len > 0 ? b64tab[cccc.charAt(0)] << 18 : 0)
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| (len > 1 ? b64tab[cccc.charAt(1)] << 12 : 0)
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| (len > 2 ? b64tab[cccc.charAt(2)] << 6 : 0)
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| (len > 3 ? b64tab[cccc.charAt(3)] : 0),
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chars = [
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fromCharCode( n >>> 16),
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fromCharCode((n >>> 8) & 0xff),
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fromCharCode( n & 0xff)
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];
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chars.length -= [0, 0, 2, 1][padlen];
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return chars.join('');
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};
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var atob = global.atob || function(a){
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return a.replace(/[\s\S]{1,4}/g, cb_decode);
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};
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var _decode = buffer
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? function(a) { return (new buffer(a, 'base64')).toString() }
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: function(a) { return btou(atob(a)) };
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var decode = function(a){
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a = _utf8_decode( a );
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return _decode(
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a.replace(/[-_]/g, function(m0) { return m0 == '-' ? '+' : '/' })
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.replace(/[^A-Za-z0-9\+\/]/g, '')
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);
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};
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// export Base64
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global.Base64 = {
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VERSION: version,
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atob: atob,
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btoa: btoa,
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fromBase64: decode,
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toBase64: encode,
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utob: utob,
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encode: encode,
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encodeURI: encodeURI,
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btou: btou,
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decode: decode
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};
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// if ES5 is available, make Base64.extendString() available
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if (typeof Object.defineProperty === 'function') {
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var noEnum = function(v){
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return {value:v,enumerable:false,writable:true,configurable:true};
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};
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global.Base64.extendString = function () {
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Object.defineProperty(
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String.prototype, 'fromBase64', noEnum(function () {
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return decode(this)
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}));
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Object.defineProperty(
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String.prototype, 'toBase64', noEnum(function (urisafe) {
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return encode(this, urisafe)
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}));
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Object.defineProperty(
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String.prototype, 'toBase64URI', noEnum(function () {
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return encode(this, true)
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}));
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};
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}
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// that's it!
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})(this);
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