public static Size ParseSize(string s, FileSourceInfo src)
{
s = s.Trim('f');
Uno.UX.Unit unit = Uno.UX.Unit.Unspecified;
if (s.EndsWith("%"))
{
unit = Uno.UX.Unit.Percent;
s = s.Trim('%');
}
else if (s.EndsWith("px"))
{
unit = Uno.UX.Unit.Pixels;
s = s.Substring(0, s.Length - 2);
}
else if (s.EndsWith("pt"))
{
unit = Uno.UX.Unit.Points;
s = s.Substring(0, s.Length - 2);
}
var d = double.Parse(s, System.Globalization.CultureInfo.InvariantCulture);
return(new Size((float)(dynamic)d, unit.ToString(), src));
}
public static Scalar <T> ParseFloat <T>(string s, FileSourceInfo src) where T : IFormattable
{
s = s.Trim('f');
var d = double.Parse(s, System.Globalization.CultureInfo.InvariantCulture);
return(new Scalar <T>((T)(dynamic)d, src));
}
public static Scalar <T> ParseInteger <T>(string s, Func <string, T> parser, FileSourceInfo src) where T : IFormattable
{
// TODO: tackle other integer encodings + postfixes
var value = parser(s);
return(new Scalar <T>(value, src));
}
public static Size2 ParseSize2(string s, FileSourceInfo src)
{
var p = s.Split(',');
var data = p.Select(x => ParseSize(x, src)).ToArray();
if (data.Length != 2)
{
data = AutoExpandVector(data, 2);
if (data.Length != 2)
{
throw new Exception("Unexpected component count in Size vector, expected " + 2 + " found " + p.Length);
}
}
return(new Size2(data[0], data[1], src));
}
public static Vector <T> ParseFloatVector <T>(string s, int comps, FileSourceInfo src) where T : IFormattable
{
s = s.Trim();
if (s.StartsWith("#"))
{
return(ParseHexVector <T>(s, comps, src));
}
var p = s.Split(',');
var data = p.Select(x => ParseFloat <T>(x, src)).ToArray();
if (data.Length != comps)
{
data = AutoExpandVector(data, comps);
if (data.Length != comps)
{
throw new Exception("Unexpected component count in float vector, expected " + comps + " found " + p.Length);
}
}
return(new Vector <T>(data, src));
}
static Scalar <T> ParseHex <T>(string digit, FileSourceInfo src) where T : IFormattable
{
uint res;
if (!uint.TryParse(digit, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out res))
{
throw new Exception("Unrecognized hex digit: " + digit);
}
if (IsIntegralType(typeof(T)))
{
return(new Scalar <T>((T)(dynamic)res, src));
}
else
{
double ratio = (double)0xF;
if (digit.Length == 2)
{
ratio = (double)0xFF;
}
return(new Scalar <T>((T)(dynamic)((double)res / ratio), src));
}
}
public static Vector <T> ParseHexVector <T>(string s, int comps, FileSourceInfo src) where T : IFormattable
{
s = s.Trim('#');
if (comps == 3)
{
switch (s.Length)
{
case 3:
return(new Vector <T>(s.Select(x => ParseHex <T>(new string(x, 1), src)).ToArray(), src));
case 6:
var parts = new List <string>();
for (int i = 0; i < s.Length; i += 2)
{
parts.Add(s.Substring(i, 2));
}
return(new Vector <T>(parts.Select(x => ParseHex <T>(x, src)).ToArray(), src));
default:
throw new Exception("Invalid hex-code for 3-component vector, expected 3 or 6 digits");
}
}
else if (comps == 4)
{
switch (s.Length)
{
case 3:
return(new Vector <T>((s + "f").Select(x => ParseHex <T>(new string(x, 1), src)).ToArray(), src));
case 4:
return(new Vector <T>(s.Select(x => ParseHex <T>(new string(x, 1), src)).ToArray(), src));
case 6:
{
s += "ff";
var parts = new List <string>();
for (int i = 0; i < s.Length; i += 2)
{
parts.Add(s.Substring(i, 2));
}
return(new Vector <T>(parts.Select(x => ParseHex <T>(x, src)).ToArray(), src));
}
case 8:
{
var parts = new List <string>();
for (int i = 0; i < s.Length; i += 2)
{
parts.Add(s.Substring(i, 2));
}
return(new Vector <T>(parts.Select(x => ParseHex <T>(x, src)).ToArray(), src));
}
default:
throw new Exception("Invalid hex-code for 4-component vector, expected 3, 4, 6 or 8 digits");
}
}
else
{
throw new Exception(comps + "-component vector cannot be encoded as hex value");
}
}
protected Scalar(FileSourceInfo sourceInfo) : base(sourceInfo)
{
}
protected ScalarBase(T value, FileSourceInfo srcInfo)
: base(srcInfo)
{
Value = value;
}
public Bool(bool b, FileSourceInfo srcInfo) : base(srcInfo)
{
Value = b;
}
public String(string s, FileSourceInfo srcInfo)
: base(srcInfo)
{
Value = s;
}
public Vector(Scalar <T>[] comps, FileSourceInfo srcInfo)
: base(srcInfo)
{
_comps = comps;
}
public Size2(Size x, Size y, FileSourceInfo srcInfo) : base(srcInfo)
{
X = x;
Y = y;
}
public Selector(string value, FileSourceInfo srcInfo) : base(srcInfo)
{
Value = value;
}
protected AtomicValue(FileSourceInfo source)
{
Source = source;
}
public Size(float value, string unit, FileSourceInfo srcInfo) : base(srcInfo)
{
Value = value;
Unit = unit;
}