///<summary>
///Try get a new <see cref="IVariableDirectoryPath"/> object from this string.
///</summary>
///<returns><i>true</i> if <paramref name="pathString"/> is a valid directory path that contains variables and as a consequence, the returned <paramref name="variableDirectoryPath"/> is not null.</returns>
///<remarks>The path represented by this string doesn't need to exist for this operation to complete properly.</remarks>
///<param name="pathString">Represents the path.</param>
///<param name="variableDirectoryPath">If this method returns <i>true</i>, this is the returned path object.</param>
///<param name="failureReason">If this method returns <i>false</i>, this is the plain english description of the failure.</param>
public static bool TryGetVariableDirectoryPath(this string pathString, out IVariableDirectoryPath variableDirectoryPath, out string failureReason) {
variableDirectoryPath = null;
if (pathString.IsPathStringNullOrEmpty(out failureReason)) { return false; }
if (!pathString.IsValidVariableDirectoryPath(out failureReason)) { return false; }
variableDirectoryPath = new VariableDirectoryPath(pathString);
return true;
}
/// <summary>
/// Try get a new <see cref="IVariableDirectoryPath" /> object from this string.
/// </summary>
/// <returns>
/// <i>true</i> if <paramref name="path" /> is a valid directory path that contains variables and as a consequence, the returned
/// <paramref name="directoryPath" /> is not null.
/// </returns>
/// <remarks>The path represented by this string doesn't need to exist for this operation to complete properly.</remarks>
/// <param name="path">Represents the path.</param>
/// <param name="directoryPath">If this method returns <i>true</i>, this is the returned path object.</param>
/// <param name="failureMessage">If this method returns <i>false</i>, this is the plain english description of the failure.</param>
public static bool TryGetVariableDirectoryPath(this string path, out IVariableDirectoryPath directoryPath, out string failureMessage)
{
directoryPath = null;
if (IsNullOrEmpty(() => path, out failureMessage))
{
return false;
}
if (!path.IsValidVariableDirectoryPath(out failureMessage))
{
return false;
}
directoryPath = new VariableDirectoryPath(path);
return true;
}
