/// <summary>
/// Free global instance of
/// <see cref="IrbisUpperCaseTable"/>.
/// </summary>
public static void ResetInstance()
{
lock (_lock)
{
_instance = null;
}
}
public static IrbisUpperCaseTable FromServer
(
[NotNull] ManagedClient64 connection,
[NotNull] string fileName
)
{
string text = connection.ReadTextFile
(
IrbisPath.System,
fileName
);
if (string.IsNullOrEmpty(text))
{
throw new IrbisException
(
"No file " + fileName
);
}
IrbisUpperCaseTable result = ParseText
(
IrbisEncoding.Ansi,
text
);
return(result);
}
public static IrbisUpperCaseTable GetInstance
(
[NotNull] ManagedClient64 connection
)
{
if (ReferenceEquals(_instance, null))
{
lock (_lock)
{
if (ReferenceEquals(_instance, null))
{
_instance = FromServer
(
connection,
FileName
);
}
}
}
return(_instance);
}
public static IrbisUpperCaseTable ParseText
(
[NotNull] Encoding encoding,
[NotNull] string text
)
{
List <byte> table = new List <byte>(256);
MatchCollection matches = Regex.Matches(text, @"\d+");
foreach (Match match in matches)
{
byte b = byte.Parse(match.Value);
table.Add(b);
}
IrbisUpperCaseTable result = new IrbisUpperCaseTable
(
encoding,
table.ToArray()
);
return(result);
}
