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JSLint.

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This commit is contained in:
Joel Martin
2010-09-08 10:11:11 -05:00
parent 2f6a1c2bda
commit d595e65685
7 changed files with 104 additions and 77 deletions
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include/base64.js
+30 -24
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@@ -41,18 +41,22 @@
*
* ***** END LICENSE BLOCK ***** */
Base64 = {
"use strict";
/*jslint white: false, bitwise: false, plusplus: false */
/*global console */
var Base64 = {
/* Convert data (an array of integers) to a Base64 string. */
toBase64Table : 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
base64Pad : '=',
encode: function (data) {
var result = '';
var chrTable = Base64.toBase64Table.split('');
var pad = Base64.base64Pad;
var length = data.length;
var i;
var result = '',
chrTable = Base64.toBase64Table.split(''),
pad = Base64.base64Pad,
length = data.length,
i;
// Convert every three bytes to 4 ascii characters.
for (i = 0; i < (length - 2); i += 3) {
result += chrTable[data[i] >> 2];
@@ -65,7 +69,7 @@ encode: function (data) {
if (length%3) {
i = length - (length%3);
result += chrTable[data[i] >> 2];
if ((length%3) == 2) {
if ((length%3) === 2) {
result += chrTable[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
result += chrTable[(data[i+1] & 0x0f) << 2];
result += pad;
@@ -91,26 +95,26 @@ toBinaryTable : [
],
decode: function (data, offset) {
offset = typeof(offset) != 'undefined' ? offset : 0;
var binTable = Base64.toBinaryTable;
var pad = Base64.base64Pad;
var leftbits = 0; // number of bits decoded, but yet to be appended
var leftdata = 0; // bits decoded, but yet to be appended
offset = typeof(offset) !== 'undefined' ? offset : 0;
var binTable = Base64.toBinaryTable,
pad = Base64.base64Pad,
result, result_length, idx, i, c, padding,
leftbits = 0, // number of bits decoded, but yet to be appended
leftdata = 0, // bits decoded, but yet to be appended
data_length = data.indexOf('=') - offset;
if (data_length < 0) { data_length = data.length - offset; }
/* Every four characters is 3 resulting numbers */
var data_length = data.indexOf('=') - offset;
if (data_length < 0) data_length = data.length - offset;
var result_length = (data_length >> 2) * 3 + Math.floor((data_length%4)/1.5);
var result = new Array(result_length);
result_length = (data_length >> 2) * 3 + Math.floor((data_length%4)/1.5);
result = new Array(result_length);
// Convert one by one.
var idx = 0;
for (var i = offset; i < data.length; i++) {
var c = binTable[data.charCodeAt(i) & 0x7f];
var padding = (data.charAt(i) == pad);
for (idx = 0, i = offset; i < data.length; i++) {
c = binTable[data.charCodeAt(i) & 0x7f];
padding = (data.charAt(i) === pad);
// Skip illegal characters and whitespace
if (c == -1) {
if (c === -1) {
console.error("Illegal character '" + data.charCodeAt(i) + "'");
continue;
}
@@ -123,16 +127,18 @@ decode: function (data, offset) {
if (leftbits >= 8) {
leftbits -= 8;
// Append if not padding.
if (!padding)
if (!padding) {
result[idx++] = (leftdata >> leftbits) & 0xff;
}
leftdata &= (1 << leftbits) - 1;
}
}
// If there are any bits left, the base64 string was corrupted
if (leftbits)
if (leftbits) {
throw {name: 'Base64-Error',
message: 'Corrupted base64 string'};
}
return result;
}