/// <summary>
/// Instantiates the database label source singleton
/// </summary>
public static DbLabels New()
{
if (_dbLabels == null)
{
_dbLabels = new DbLabels();
}
return(_dbLabels);
}
// ----------------------------------------------------------------------------------------
/// <!-- CreatePrettyLabel -->
/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
protected override string CreatePrettyLabel(string name)
{
string data;
RandomSource rs = RandomSource.New();
//Random r = rs.Random;
string labelType = LblType(name); // encapsulate
switch (labelType)
{
case "name": data = DbLabels.CreatePrettyLabel(rs.Skew(1, 512), LabelType.name); break;
default: data = DbLabels.CreatePrettyLabel(rs.Skew(1, 512), LabelType.any); break;
}
return(data);
}
// ----------------------------------------------------------------------------------------
/// <!-- CreateString -->
/// <summary>
/// Creates a string to meet a particular set of restrictions
/// </summary>
/// <param name="cmd"></param>
/// <param name="name"></param>
/// <returns></returns>
protected override string CreateString(NodeCreationCommand cmd, string name)
{
string str = "";
if (Regex.IsMatch(name, "amount", RegexOptions.IgnoreCase))
{
Pause();
}
// --------------------------------------------------------------------------
// Use the restrictions (new <--> now)
// --------------------------------------------------------------------------
RandomSource rs = RandomSource.New();
Random r = rs.Random;
if (cmd.Enumerations != null && cmd.Enumerations.Count > 0)
{
int e = r.Next(cmd.Enumerations.Count);
str = cmd.Enumerations[e];
}
else
{
switch (cmd.MaxLength)
{
case -1: // encapsulate
if (string.IsNullOrEmpty(cmd.RegexPattern))
{
bool found = false; // encapsulate
if (!found && IsNumericField(name))
{
found = true; str = new RegexGenerator("[0-9]").CreateString(r, rs.Skew(1, 49), cmd.WhiteSpace);
}
if (!found && IsDateTime(name))
{
found = true; str = CreateDateTime(name);
}
if (!found)
{
str = CreatePrettyLabel(name); // encapsulate
}
}
else
{
bool found = false;
if (IsNumericField(name)) // encapsulate
{
str = new RegexGenerator(cmd.RegexPattern).CreateString(r, rs.Skew(7, 50), cmd.WhiteSpace);
found = true;
}
if (IsDigitField(name)) // encapsulate
{
str = new RegexGenerator(cmd.RegexPattern).CreateString(r, 1, cmd.WhiteSpace);
found = true;
}
if (!found)
{
str = new RegexGenerator(cmd.RegexPattern).CreateString(r, cmd.WhiteSpace);
}
}
break;
case 0: str = ""; break;
default:
if (!string.IsNullOrEmpty(cmd.RegexPattern))
{
// ----------------------------------------------------------
// convert a Regex pattern into a random string that it will match
// ----------------------------------------------------------
RegexGenerator genRegex = new RegexGenerator(cmd.RegexPattern);
str = genRegex.CreateString(r, cmd.WhiteSpace);
for (int i = 0; str.Length > cmd.MaxLength && i < 10; i++)
{
str = genRegex.CreateString(r, cmd.WhiteSpace);
}
}
else // encapsulate
{
str = DbLabels.CreatePrettyLabel(r.Next(1, cmd.MaxLength + 1), LabelType.any);
}
break;
}
}
return(str);
}
