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4 years ago
var charenc = {
// UTF-8 encoding
utf8: {
// Convert a string to a byte array
stringToBytes: function(str) {
return charenc.bin.stringToBytes(unescape(encodeURIComponent(str)));
},
// Convert a byte array to a string
bytesToString: function(bytes) {
return decodeURIComponent(escape(charenc.bin.bytesToString(bytes)));
}
},
// Binary encoding
bin: {
// Convert a string to a byte array
stringToBytes: function(str) {
for (var bytes = [], i = 0; i < str.length; i++)
bytes.push(str.charCodeAt(i) & 0xFF);
return bytes;
},
// Convert a byte array to a string
bytesToString: function(bytes) {
for (var str = [], i = 0; i < bytes.length; i++)
str.push(String.fromCharCode(bytes[i]));
return str.join('');
}
}
};
module.exports = charenc;