/// <summary>
/// Parse a <see cref="KeySpline"/> from a string. The string
/// needs to contain 4 values in it for the 2 control points.
/// </summary>
/// <param name="value">string with 4 values in it</param>
/// <param name="culture">culture of the string</param>
/// <exception cref="FormatException">Thrown if the string does not have 4 values</exception>
/// <returns>A <see cref="KeySpline"/> with the appropriate values set</returns>
public static KeySpline Parse(string value, CultureInfo culture)
{
using (var tokenizer = new StringTokenizer((string)value, CultureInfo.InvariantCulture, exceptionMessage: "Invalid KeySpline."))
{
return(new KeySpline(tokenizer.ReadDouble(), tokenizer.ReadDouble(), tokenizer.ReadDouble(), tokenizer.ReadDouble()));
}
}
public void ReadDouble_Reads_Values()
{
var target = new StringTokenizer("12.3,45.6");
Assert.Equal(12.3, target.ReadDouble());
Assert.Equal(45.6, target.ReadDouble());
Assert.Throws <FormatException>(() => target.ReadDouble());
}
/// <summary>
/// Parses a <see cref="Size"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <returns>The <see cref="Size"/>.</returns>
public static Size Parse(string s)
{
using (var tokenizer = new StringTokenizer(s, CultureInfo.InvariantCulture, exceptionMessage: "Invalid Size."))
{
return(new Size(
tokenizer.ReadDouble(),
tokenizer.ReadDouble()));
}
}
/// <summary>
/// Parses a <see cref="Point"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <param name="culture">The current culture.</param>
/// <returns>The <see cref="Thickness"/>.</returns>
public static Point Parse(string s, CultureInfo culture)
{
using (var tokenizer = new StringTokenizer(s, culture, exceptionMessage: "Invalid Point"))
{
return(new Point(
tokenizer.ReadDouble(),
tokenizer.ReadDouble()
));
}
}
/// <summary>
/// Parses a <see cref="Rect"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <returns>The parsed <see cref="Rect"/>.</returns>
public static Rect Parse(string s)
{
using (var tokenizer = new StringTokenizer(s, CultureInfo.InvariantCulture, exceptionMessage: "Invalid Rect."))
{
return new Rect(
tokenizer.ReadDouble(),
tokenizer.ReadDouble(),
tokenizer.ReadDouble(),
tokenizer.ReadDouble()
);
}
}
/// <summary>
/// Parse a <see cref="KeySpline"/> from a string. The string
/// needs to contain 4 values in it for the 2 control points.
/// </summary>
/// <param name="value">string with 4 values in it</param>
/// <param name="culture">culture of the string</param>
/// <exception cref="FormatException">Thrown if the string does not have 4 values</exception>
/// <returns>A <see cref="KeySpline"/> with the appropriate values set</returns>
public static KeySpline Parse(string value, CultureInfo culture)
{
if (culture is null)
{
culture = CultureInfo.InvariantCulture;
}
using (var tokenizer = new StringTokenizer((string)value, culture, exceptionMessage: $"Invalid KeySpline string: \"{value}\"."))
{
return(new KeySpline(tokenizer.ReadDouble(), tokenizer.ReadDouble(), tokenizer.ReadDouble(), tokenizer.ReadDouble()));
}
}
/// <summary>
/// Parses a <see cref="Thickness"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <param name="culture">The current culture.</param>
/// <returns>The <see cref="Thickness"/>.</returns>
public static Thickness Parse(string s, CultureInfo culture)
{
using (var tokenizer = new StringTokenizer(s, culture, exceptionMessage: "Invalid Thickness"))
{
var a = tokenizer.ReadDouble();
if (tokenizer.TryReadDouble(out var b))
{
if (tokenizer.TryReadDouble(out var c))
{
return(new Thickness(a, b, c, tokenizer.ReadDouble()));
}
return(new Thickness(a, b));
}
return(new Thickness(a));
}
}
/// <summary>
/// Parses a <see cref="Matrix"/> string.
/// </summary>
/// <param name="s">Six or nine comma-delimited double values (m11, m12, m21, m22, offsetX, offsetY[, persX, persY, persZ]) that describe the new <see cref="Matrix"/></param>
/// <returns>The <see cref="Matrix"/>.</returns>
public static Matrix Parse(string s)
{
// initialize to satisfy compiler - only used when retrieved from string.
double v8 = 0;
double v9 = 0;
using (var tokenizer = new StringTokenizer(s, CultureInfo.InvariantCulture, exceptionMessage: "Invalid Matrix."))
{
var v1 = tokenizer.ReadDouble();
var v2 = tokenizer.ReadDouble();
var v3 = tokenizer.ReadDouble();
var v4 = tokenizer.ReadDouble();
var v5 = tokenizer.ReadDouble();
var v6 = tokenizer.ReadDouble();
var pers = tokenizer.TryReadDouble(out var v7);
pers = pers && tokenizer.TryReadDouble(out v8);
pers = pers && tokenizer.TryReadDouble(out v9);
if (pers)
{
return(new Matrix(v1, v2, v7, v3, v4, v8, v5, v6, v9));
}
else
{
return(new Matrix(v1, v2, v3, v4, v5, v6));
}
}
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
var points = new List <Point>();
using (var tokenizer = new StringTokenizer((string)value, CultureInfo.InvariantCulture, exceptionMessage: "Invalid PointsList."))
{
while (tokenizer.TryReadDouble(out double x))
{
points.Add(new Point(x, tokenizer.ReadDouble()));
}
}
return(points);
}
/// <summary>
/// Parses a <see cref="Thickness"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <returns>The <see cref="Thickness"/>.</returns>
public static Thickness Parse(string s)
{
using (var tokenizer = new StringTokenizer(s, CultureInfo.InvariantCulture, exceptionMessage: "Invalid Thickness"))
{
if (tokenizer.TryReadDouble(out var a))
{
if (tokenizer.TryReadDouble(out var b))
{
if (tokenizer.TryReadDouble(out var c))
{
return(new Thickness(a, b, c, tokenizer.ReadDouble()));
}
return(new Thickness(a, b));
}
return(new Thickness(a));
}
throw new FormatException("Invalid Thickness.");
}
}
public static CornerRadius Parse(string s)
{
const string exceptionMessage = "Invalid CornerRadius.";
using (var tokenizer = new StringTokenizer(s, CultureInfo.InvariantCulture, exceptionMessage))
{
if (tokenizer.TryReadDouble(out var a))
{
if (tokenizer.TryReadDouble(out var b))
{
if (tokenizer.TryReadDouble(out var c))
{
return(new CornerRadius(a, b, c, tokenizer.ReadDouble()));
}
return(new CornerRadius(a, b));
}
return(new CornerRadius(a));
}
throw new FormatException(exceptionMessage);
}
}