24 lines
1 KiB
JavaScript
24 lines
1 KiB
JavaScript
|
|
Elm.Char = function() {
|
|
function isBetween(lo,hi) { return function(chr) {
|
|
var c = chr.charCodeAt(0);
|
|
return lo <= c && c <= hi;
|
|
};
|
|
}
|
|
var isDigit = isBetween('0'.charCodeAt(0),'9'.charCodeAt(0));
|
|
var chk1 = isBetween('a'.charCodeAt(0),'f'.charCodeAt(0));
|
|
var chk2 = isBetween('A'.charCodeAt(0),'F'.charCodeAt(0));
|
|
|
|
return {fromCode : function(c) { return String.fromCharCode(c); },
|
|
toCode : function(c) { return c.charCodeAt(0); },
|
|
toUpper : function(c) { return c.toUpperCase(); },
|
|
toLower : function(c) { return c.toLowerCase(); },
|
|
toLocaleUpper : function(c) { return c.toLocaleUpperCase(); },
|
|
toLocaleLower : function(c) { return c.toLocaleLowerCase(); },
|
|
isLower : isBetween('a'.charCodeAt(0),'z'.charCodeAt(0)),
|
|
isUpper : isBetween('A'.charCodeAt(0),'Z'.charCodeAt(0)),
|
|
isDigit : isDigit,
|
|
isOctDigit : isBetween('0'.charCodeAt(0),'7'.charCodeAt(0)),
|
|
isHexDigit : function(c) { return isDigit(c) || chk1(c) || chk2(c); }
|
|
};
|
|
}();
|