in lib/ace/mode/css/csslint.js [4280:4426]
function PropertyValuePart(text, line, col){
SyntaxUnit.call(this, text, line, col, Parser.PROPERTY_VALUE_PART_TYPE);
/**
* Indicates the type of value unit.
* @type String
* @property type
*/
this.type = "unknown";
//figure out what type of data it is
var temp;
//it is a measurement?
if (/^([+\-]?[\d\.]+)([a-z]+)$/i.test(text)){ //dimension
this.type = "dimension";
this.value = +RegExp.$1;
this.units = RegExp.$2;
//try to narrow down
switch(this.units.toLowerCase()){
case "em":
case "rem":
case "ex":
case "px":
case "cm":
case "mm":
case "in":
case "pt":
case "pc":
case "ch":
case "vh":
case "vw":
case "fr":
case "vmax":
case "vmin":
this.type = "length";
break;
case "deg":
case "rad":
case "grad":
this.type = "angle";
break;
case "ms":
case "s":
this.type = "time";
break;
case "hz":
case "khz":
this.type = "frequency";
break;
case "dpi":
case "dpcm":
this.type = "resolution";
break;
//default
}
} else if (/^([+\-]?[\d\.]+)%$/i.test(text)){ //percentage
this.type = "percentage";
this.value = +RegExp.$1;
} else if (/^([+\-]?\d+)$/i.test(text)){ //integer
this.type = "integer";
this.value = +RegExp.$1;
} else if (/^([+\-]?[\d\.]+)$/i.test(text)){ //number
this.type = "number";
this.value = +RegExp.$1;
} else if (/^#([a-f0-9]{3,6})/i.test(text)){ //hexcolor
this.type = "color";
temp = RegExp.$1;
if (temp.length == 3){
this.red = parseInt(temp.charAt(0)+temp.charAt(0),16);
this.green = parseInt(temp.charAt(1)+temp.charAt(1),16);
this.blue = parseInt(temp.charAt(2)+temp.charAt(2),16);
} else {
this.red = parseInt(temp.substring(0,2),16);
this.green = parseInt(temp.substring(2,4),16);
this.blue = parseInt(temp.substring(4,6),16);
}
} else if (/^rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/i.test(text)){ //rgb() color with absolute numbers
this.type = "color";
this.red = +RegExp.$1;
this.green = +RegExp.$2;
this.blue = +RegExp.$3;
} else if (/^rgb\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)/i.test(text)){ //rgb() color with percentages
this.type = "color";
this.red = +RegExp.$1 * 255 / 100;
this.green = +RegExp.$2 * 255 / 100;
this.blue = +RegExp.$3 * 255 / 100;
} else if (/^rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*([\d\.]+)\s*\)/i.test(text)){ //rgba() color with absolute numbers
this.type = "color";
this.red = +RegExp.$1;
this.green = +RegExp.$2;
this.blue = +RegExp.$3;
this.alpha = +RegExp.$4;
} else if (/^rgba\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*,\s*([\d\.]+)\s*\)/i.test(text)){ //rgba() color with percentages
this.type = "color";
this.red = +RegExp.$1 * 255 / 100;
this.green = +RegExp.$2 * 255 / 100;
this.blue = +RegExp.$3 * 255 / 100;
this.alpha = +RegExp.$4;
} else if (/^hsl\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)/i.test(text)){ //hsl()
this.type = "color";
this.hue = +RegExp.$1;
this.saturation = +RegExp.$2 / 100;
this.lightness = +RegExp.$3 / 100;
} else if (/^hsla\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*,\s*([\d\.]+)\s*\)/i.test(text)){ //hsla() color with percentages
this.type = "color";
this.hue = +RegExp.$1;
this.saturation = +RegExp.$2 / 100;
this.lightness = +RegExp.$3 / 100;
this.alpha = +RegExp.$4;
} else if (/^url\(["']?([^\)"']+)["']?\)/i.test(text)){ //URI
this.type = "uri";
this.uri = RegExp.$1;
} else if (/^([^\(]+)\(/i.test(text)){
this.type = "function";
this.name = RegExp.$1;
this.value = text;
} else if (/^["'][^"']*["']/.test(text)){ //string
this.type = "string";
this.value = eval(text);
} else if (Colors[text.toLowerCase()]){ //named color
this.type = "color";
temp = Colors[text.toLowerCase()].substring(1);
this.red = parseInt(temp.substring(0,2),16);
this.green = parseInt(temp.substring(2,4),16);
this.blue = parseInt(temp.substring(4,6),16);
} else if (/^[\,\/]$/.test(text)){
this.type = "operator";
this.value = text;
} else if (/^[a-z\-_\u0080-\uFFFF][a-z0-9\-_\u0080-\uFFFF]*$/i.test(text)){
this.type = "identifier";
this.value = text;
}
}