/// <devdoc>
/// Converts UnitType to persistence string.
/// </devdoc>
private static string GetStringFromType(WikiPlex.Legacy.UnitType type)
{
switch (type)
{
case WikiPlex.Legacy.UnitType.Pixel:
return("px");
case WikiPlex.Legacy.UnitType.Point:
return("pt");
case WikiPlex.Legacy.UnitType.Pica:
return("pc");
case WikiPlex.Legacy.UnitType.Inch:
return("in");
case WikiPlex.Legacy.UnitType.Mm:
return("mm");
case WikiPlex.Legacy.UnitType.Cm:
return("cm");
case WikiPlex.Legacy.UnitType.Percentage:
return("%");
case WikiPlex.Legacy.UnitType.Em:
return("em");
case WikiPlex.Legacy.UnitType.Ex:
return("ex");
}
return(string.Empty);
}
/// <devdoc>
/// <para> Initializes a new instance of the <see cref='System.Web.UI.WebControls.Unit'/> structure with the
/// specified double-precision
/// floating point number as the unit value and <see langword='Pixel'/>
/// as the (default) unit type.</para>
/// </devdoc>
public Unit(double value)
{
if ((value < MinValue) || (value > MaxValue))
{
throw new System.ArgumentOutOfRangeException("value");
}
this.value = (int)value;
this.type = WikiPlex.Legacy.UnitType.Pixel;
}
internal Unit(string value, System.Globalization.CultureInfo culture, WikiPlex.Legacy.UnitType defaultType)
{
if (string.IsNullOrEmpty(value))
{
this.value = 0;
this.type = (WikiPlex.Legacy.UnitType) 0;
}
else
{
if (culture == null)
{
culture = System.Globalization.CultureInfo.CurrentCulture;
}
// This is invariant because it acts like an enum with a number together.
// The enum part is invariant, but the number uses current culture.
string trimLcase = value.Trim().ToLower(System.Globalization.CultureInfo.InvariantCulture);
int len = trimLcase.Length;
int lastDigit = -1;
for (int i = 0; i < len; i++)
{
char ch = trimLcase[i];
if (((ch < '0') || (ch > '9')) && (ch != '-') && (ch != '.') && (ch != ','))
{
break;
}
lastDigit = i;
}
if (lastDigit == -1)
{
throw new System.FormatException("\"" + value + "\" is not digit...");
}
if (lastDigit < len - 1)
{
type = (WikiPlex.Legacy.UnitType)GetTypeFromString(trimLcase.Substring(lastDigit + 1).Trim());
}
else
{
type = defaultType;
}
string numericPart = trimLcase.Substring(0, lastDigit + 1);
// Cannot use Double.FromString, because we don't use it in the ToString implementation
try
{
System.ComponentModel.TypeConverter converter = new System.ComponentModel.SingleConverter();
this.value = (System.Single)converter.ConvertFromString(null, culture, numericPart);
if (type == WikiPlex.Legacy.UnitType.Pixel)
{
this.value = (int)this.value;
}
}
catch
{
throw new System.FormatException("\"" + value + "\" UnitParseNumericPart \"" + numericPart + "\" Type: " +
type.ToString("G"));
}
if ((this.value < MinValue) || (this.value > MaxValue))
{
throw new System.ArgumentOutOfRangeException("value");
}
}
}