public void UnDefine(string token)
{
if (NonSubstitutionTokens.Contains(token))
{
NonSubstitutionTokens.Remove(token);
}
else
{
if (SubstitutionTokens.ContainsKey(token))
{
SubstitutionTokens.Remove(token);
}
}
}
/// <summary>
/// Adds a token to the define collection. If the token exists it gets redefined.
/// </summary>
/// <param name="token">the define token</param>
/// <param name="substitutionText">the substitution text</param>
public void Define(string token, string substitutionText)
{
substitutionText = (substitutionText == null) ? string.Empty : substitutionText;
/*if the collections already contains the same key we remove it and replace it with
* the new key value pair...which means that we actually redefining
*/
UnDefine(token);
substitutionText = substitutionText.Trim();
if (substitutionText.Length == 0)
{
NonSubstitutionTokens.Add(token);
}
else
{
SubstitutionTokens.Add(token, substitutionText);
}
}
/// <summary>
/// Evaluates if a token is defined or not
/// </summary>
/// <param name="token">token to be checked whether it is defined or not</param>
/// <returns>true if defined, false if not</returns>
public bool IsDefined(string token)
{
return(NonSubstitutionTokens.Contains(token) || SubstitutionTokens.ContainsKey(token));
}
/// <summary>
/// Clears any defines being handled
/// </summary>
public void Clear()
{
NonSubstitutionTokens.Clear();
SubstitutionTokens.Clear();
}