public static string Sanitize(this string value,
SanitizeConfig config)
{
return(Sanitize(value,
null,
config));
}
private static string AppendSeparator(string input,
SanitizeConfig config)
{
var result = new StringBuilder();
var alreadyAppnded = false;
foreach (var @char in input)
{
if (char.IsUpper(@char))
{
if (!alreadyAppnded)
{
result.AppendFormat(string.Concat(config.Separator,
char.ToLower(@char)));
alreadyAppnded = true;
}
else
{
result.Append(char.ToLower(@char));
}
}
else
{
result.Append(@char);
alreadyAppnded = false;
}
}
return(result.ToString());
}
public static string Sanitize(this string value,
IDictionary <string, string> replacements,
SanitizeConfig config)
{
return(ToSanitizedValue(value,
replacements,
config));
}
public static string Sanitize(this Enum value,
IDictionary <string, string> replacements,
SanitizeConfig config)
{
return(ToSanitizedValue(value.ToStringOrEmpty(),
replacements,
config));
}
private static string ToSanitizedValue(this string value,
ICollection <KeyValuePair <string, string> > replacements,
SanitizeConfig config)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
value = AppendSeparator(value,
config);
if (config.UseLowerCase)
{
value = value.ToLower();
}
if (replacements != null && replacements.Count > 0)
{
value = replacements.Aggregate(value,
(current,
replacement) => current.ReplaceAll(replacement.Key,
replacement.Value));
}
value = Regex.Replace(value,
@"&\w+;",
string.Empty);
if (config.RemoveNonWesternCharacters)
{
value = Regex.Replace(value,
@"[^a-z0-9\-\u0600-\u06FF\s]",
config.Separator);
}
else
{
value = Regex.Replace(value,
@"[^a-z0-9\-\s]",
config.Separator);
}
if (!string.IsNullOrEmpty(config.Separator))
{
if (config.Separator != " ")
{
value = Regex.Replace(value,
" ",
config.Separator);
}
if (config.TrimMultipleSeparators)
{
value = Regex.Replace(value,
string.Concat(config.Separator,
"{2,}"),
config.Separator);
}
var separatorArray = config.Separator.ToCharArray();
value = value.TrimStart(separatorArray);
value = value.TrimEnd(separatorArray);
}
return(value);
}
public static string Sanitize(this Enum value,
SanitizeConfig config)
{
return(Sanitize(value.ToStringOrEmpty(),
config));
}
static Sanitizer()
{
_config = SanitizeConfig.Current;
}