summaryrefslogtreecommitdiffstats
path: root/afm-client/bower_components/jszip/lib/compressions.js
blob: a2c13ff012f94baa67c9df4e4c399901500710a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
'use strict';
exports.STORE = {
    magic: "\x00\x00",
    compress: function(content, compressionOptions) {
        return content; // no compression
    },
    uncompress: function(content) {
        return content; // no compression
    },
    compressInputType: null,
    uncompressInputType: null
};
exports.DEFLATE = require('./flate');
var output = ""; var chr1, chr2, chr3, enc1, enc2, enc3, enc4; var i = 0; while (i < input.length) { chr1 = input.charCodeAt(i++); chr2 = input.charCodeAt(i++); chr3 = input.charCodeAt(i++); enc1 = chr1 >> 2; enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); enc4 = chr3 & 63; if (isNaN(chr2)) { enc3 = enc4 = 64; } else if (isNaN(chr3)) { enc4 = 64; } output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4); } return output; }; // public method for decoding exports.decode = function(input, utf8) { var output = ""; var chr1, chr2, chr3; var enc1, enc2, enc3, enc4; var i = 0; input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); while (i < input.length) { enc1 = _keyStr.indexOf(input.charAt(i++)); enc2 = _keyStr.indexOf(input.charAt(i++)); enc3 = _keyStr.indexOf(input.charAt(i++)); enc4 = _keyStr.indexOf(input.charAt(i++)); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); chr3 = ((enc3 & 3) << 6) | enc4; output = output + String.fromCharCode(chr1); if (enc3 != 64) { output = output + String.fromCharCode(chr2); } if (enc4 != 64) { output = output + String.fromCharCode(chr3); } } return output; };