public static ImageFormatEnum ExtensionToEnum(string extension)
{
string lookup = extension.ToUpper();
FormatDefinition fd = _formats.FirstOrDefault(x => x.Extension == lookup);
return(fd == null ? ImageFormatEnum.Unknown : fd.Type);
}
public static ImageFormat ExtensionToSystemFormat(string extension)
{
string lookup = extension.ToUpper();
FormatDefinition fd = _formats.FirstOrDefault(x => x.Extension == lookup);
return(fd == null ? null : fd.SystemFormat);
}
public static bool ValidateFormat(this string value, FormatDefinition definition)
{
return(definition.Validate(value));
}
public static ImageFormat ImageFormatToSystemFormat(ImageFormatEnum type)
{
FormatDefinition fd = _formats.FirstOrDefault(x => x.Type == type);
return(fd == null ? null : fd.SystemFormat);
}
public static string ImageFormatToDescription(ImageFormatEnum type)
{
FormatDefinition fd = _formats.FirstOrDefault(x => x.Type == type);
return(fd == null ? "Unknown" : fd.Description);
}
public static ImageFormatEnum SystemFormatToEnum(ImageFormat format)
{
FormatDefinition fd = _formats.FirstOrDefault(x => x.SystemFormat.Equals(format));
return(fd == null ? ImageFormatEnum.Unknown : fd.Type);
}
public static string SystemFormatToExtension(ImageFormat format)
{
FormatDefinition fd = _formats.FirstOrDefault(x => x.SystemFormat.Equals(format));
return(fd == null ? ".IMAGE" : fd.Extension);
}
/// <summary>
/// Class String Property Validation Rule Method
/// </summary>
/// <param name="property">String property being validated</param>
/// <param name="rule">String format rule definition (Regex) being used</param>
/// <param name="message">Error message</param>
/// <returns>Validation context</returns>
public ValidationResult <TModel> Rule(Expression <Func <TModel, string> > property, FormatDefinition rule, string message = null)
{
if (this._breakIfIsInvalid && !this.Success)
{
return(this);
}
this._breakIfIsInvalid = false;
if (!GetMember(property, out var member))
{
return(this);
}
var index = 0;
foreach (var value in this.Values)
{
var propertyValue = value.GetPropertyValue <string>(member.Name);
this.AddItem(rule.Validate(propertyValue), message, member.Name, member.Name, index);
index++;
}
return(this);
}
