public static string FormatCommaSeparatedValue(this string value)
#endif
{
if (null == value)
{
return null;
}
if (0 == value.Length)
{
return string.Empty;
}
#if NET20
value = StringExtensionMethods.Replace(value, "\"", "\"\"", StringComparison.Ordinal);
#else
value = value.Replace("\"", "\"\"", StringComparison.Ordinal);
#endif
return ' ' == value[0]
|| ' ' == value[value.Length - 1]
#if NET20
|| StringExtensionMethods.ContainsAny(value, ',', '\n', '"')
#else
|| value.ContainsAny(',', '\n', '"')
#endif
|| value.Contains(Environment.NewLine)
? string.Concat("\"", value, "\"")
: value;
}
/// <summary>
/// Determines whether the specified text contains any of the characters of the second parameter.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="characters">The characters.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">characters</exception>
public static bool ContainsAny(this string text, string characters)
{
if (string.IsNullOrWhiteSpace(characters))
throw new ArgumentNullException("characters");
return text.ContainsAny(characters.ToCharArray());
}
/// <summary>
/// Checks input string for any occurence of given character
/// </summary>
/// <param name="source">String to check</param>
/// <param name="character">Character to look for</param>
/// <returns>True if character found</returns>
public static bool ContainsAny(this string source, char character)
{
Validate.Begin()
.IsNotNull(source, "source")
.CheckForExceptions();
return source.ContainsAny(character.ToEnumerable());
}
public static string SafeToken(this string token)
{
if (token.ContainsAny("\"", " ", "-", "+", "\\", "*", "=", "!"))
throw new InvalidDataException("MetaData is potentially malicious. Expected token, Received: {0}".Fmt(token));
return token;
}
public static string SafeToken(this string token)
{
if (!NativeTypesFeature.DisableTokenVerification && token.ContainsAny("\"", "-", "+", "\\", "*", "=", "!"))
throw new InvalidDataException($"MetaData is potentially malicious. Expected token, Received: {token}");
return token;
}
public static bool ContainsAny(this string value, out string matchedValue, params string[] contains)
{
return value.ContainsAny(out matchedValue, StringComparison.Ordinal, contains);
}
public static bool ContainsAny(this string value, params string[] contains)
{
return value.ContainsAny(StringComparison.Ordinal, contains);
}