/// <summary>
/// Replace a variable in the <c>RouteFormat</c> with a specified value.
/// </summary>
/// <param name="variableName">The variable name to replace.</param>
/// <param name="variableValue">The value to replace with.</param>
/// <param name="workingRoute">An 'in progress' route that may contain values that have already been replaced.</param>
/// <returns>A <c>workingRoute</c></returns>
public string SetVariable(string variableName, string variableValue, string workingRoute = null)
{
if (!variableName.StartsWith(VariableStartChar.ToString()) && !variableName.EndsWith(VariableEndChar.ToString()))
{
variableName = string.Format("{1}{0}{2}", variableName, VariableStartChar, VariableEndChar);
}
if (!string.IsNullOrEmpty(workingRoute))
{
return(workingRoute.Replace(variableName, variableValue));
}
else
{
return(RouteFormat.Replace(variableName, variableValue));
}
}
/// <summary>
/// Extract variable values from a given instance of the route you're trying to parse.
/// </summary>
/// <param name="routeInstance">The route instance.</param>
/// <returns>A dictionary of Variable names mapped to values.</returns>
public Dictionary <string, string> ParseRouteInstance(string routeInstance)
{
var inputValues = new Dictionary <string, string>();
string formatUrl = new string(RouteFormat.ToArray());
foreach (string variable in Variables)
{
formatUrl = formatUrl.Replace(WrapWithVariableChars(variable), string.Format(VariableTokenPattern, variable));
}
var regex = new Regex(formatUrl, RegexOptions.IgnoreCase);
var matchCollection = regex.Match(routeInstance);
foreach (var variable in Variables)
{
var value = ((Group)matchCollection.Groups[variable]).Value;
inputValues.Add(variable, value);
}
return(inputValues);
}
