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73 lines (58 loc) · 1.92 KB
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chuckNorris.js
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73 lines (58 loc) · 1.92 KB
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var MESSAGE = readline();
print(encodeMessage(MESSAGE));
function encodeMessage(message) {
var binaryFormOfString = message.split('').map(function(c) {
return toBinary(c)
}).join('');
return binaryToChuckNorris(binaryFormOfString);
function toBinary(input) {
var out = '';
for (i=0; i < input.length; i++) {
out +=input[i].charCodeAt(0).toString(2);
}
//pad with zeroes
if (out.length < 7) {
out = getZeroString(7 - out.length) + out;
}
printErr(out);
return out;
}
function binaryToChuckNorris(binaryString) {
var encodingMap = {
'0': '00',
'1': '0'
};
var unaryString = '';
var binaryChars = binaryString.split('');
var len = binaryChars.length;
var currentChar = binaryChars[0];
var currentCharCount = 0;
for (var i = 0; i < len; i++) {
var thisChar = binaryChars[i];
if (thisChar !== currentChar) {
// printErr('This:' + thisChar);
// printErr('Curr:' + currentChar);
// printErr('Count:' + currentCharCount);
unaryString += encodingMap[currentChar] + ' ' + getZeroString(currentCharCount) + ' ';
// printErr('String:' + unaryString);
currentChar = thisChar;
currentCharCount = 1;
} else {
currentCharCount += 1;
}
}
//add the final character
unaryString += encodingMap[currentChar] + ' ' + getZeroString(currentCharCount);
printErr('String:' + unaryString);
return unaryString;
}
function getZeroString(num) {
var i = 0;
returnString = '';
while (i < num) {
returnString += '0';
i += 1;
}
return returnString;
}
}