Last active
December 23, 2015 18:59
-
-
Save guipn/6679709 to your computer and use it in GitHub Desktop.
Indent ugly Excel formulas...
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<html> | |
<head> | |
<title>Excellent</title> | |
<style type="text/css"> | |
body { | |
text-align: center; | |
} | |
</style> | |
</head> | |
<body> | |
<h1>Excellent</h1> | |
(abrir no Google Chrome!) | |
<p/> | |
<textarea id="input" cols="100" rows="30"> | |
SE(C2=G2;I2-D2;SE(C2=G3;I3-D2;se(c2=g4;l4-d2;se(C2=G5;L5-D2;SE(C2=G6;L6-D2;SE(C2 | |
=G7;L7-D2;SE(C2=G8;L8-D2;SE(C2=G9;L9-D2;SE(C2=G10;L10-D2;SE(C2=G11;L11-D2;SE(C2= | |
G12;L12-D2;SE(C2=G13;L13-D2;SE(C2=G14;L14-D2)))))))))))))</textarea> | |
<p/> | |
<input type="button" id="go" value="Indentar"/> | |
<input type="button" id="reset" value="Apagar"/> | |
<script src="excellent.js"></script> | |
<script> | |
function get(id) { | |
return document.getElementById(id); | |
} | |
get('go').addEventListener('click', function () { | |
get('input').value = parser().parse(get('input').value); | |
}) | |
get('reset').addEventListener('click', function () { | |
get('input').value = ''; | |
}); | |
</script> | |
</body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function parser(separator, line, tab) { | |
separator = separator || ';'; | |
line = line || '\n'; | |
tab = tab || ' '; | |
function peek(str, n) { | |
return str.substring(0, n || 1); | |
} | |
function next(str, n) { | |
return str.slice(n || 1); | |
} | |
function indent(str, indentation) { | |
return indentation + str; | |
} | |
function unindent(str, indentation) { | |
return str.replace(indentation, ''); | |
} | |
function parse(formula, indentation) { | |
var newline = line + (indentation = indentation || ''); | |
if (formula === '') { | |
return ''; | |
} | |
if (peek(formula) === '(') { | |
return peek(formula) + | |
newline + | |
indent(parse(next(formula), indent(indentation, tab)), tab); | |
} | |
if (peek(formula) === ')') { | |
indentation = unindent(indentation, tab); | |
return line + | |
indentation + | |
')' + | |
parse(next(formula), indentation); | |
} | |
if (peek(formula) === separator) { | |
return peek(formula) + | |
newline + | |
parse(next(formula), indentation); | |
} | |
return peek(formula) + | |
parse(next(formula), indentation); | |
} | |
function prettify(mess) { | |
return mess.replace(/(<=|>=|!=|<>|[*=+\-\/><^])/g, ' $1 '); | |
} | |
function removeNoise(str) { | |
return str.replace(/\n/g, ''); | |
} | |
return { | |
parse: function (excelFormula) { | |
return prettify(parse(removeNoise(excelFormula))); | |
} | |
}; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment