public static RoomieCommandArgument[] FindMistypedArguments(this HierarchicalVariableScope scope, IEnumerable <RoomieCommandArgument> arguments)
{
var result = new List <RoomieCommandArgument>();
foreach (var argument in arguments)
{
var variable = scope.GetVariable(argument.Name);
var value = variable.Interpolate(scope);
var type = argument.Type;
var isValid = type.Validate(value);
if (!isValid)
{
result.Add(argument);
}
}
return(result.ToArray());
}
public static ReadOnlyParameter Interpolate(this VariableParameter givenVariable, HierarchicalVariableScope scope)
{
var builder = new StringBuilder(givenVariable.Value);
List <string> variables;
do
{
variables = VariablesInString(builder.ToString()).ToList();
foreach (string variable in variables)
{
var variableName = variable.Replace("${", "").Replace("}", "");
string replacement;
if (variableName != givenVariable.Name)
{
var matchedVariable = scope.GetVariable(variableName);
replacement = matchedVariable.Interpolate(scope).Value;
}
else if (scope.Parent != null)
{
var parentScope = scope.Parent;
var matchedVariable = parentScope.GetVariable(variableName);
replacement = matchedVariable.Interpolate(parentScope).Value;
}
else
{
replacement = null;
}
if (replacement == null)
{
//TODO: make this an explicit exception type
throw new VariableException("Variable \"" + variable + "\" not defined");
}
builder.Replace(variable, replacement);//TODO
}
} while (variables.Count != 0);
return(new ReadOnlyParameter(givenVariable.Name, builder.ToString()));
}
public static ReadOnlyParameter Interpolate(this VariableParameter givenVariable, HierarchicalVariableScope scope)
{
var builder = new StringBuilder(givenVariable.Value);
List<string> variables;
do
{
variables = VariablesInString(builder.ToString()).ToList();
foreach (string variable in variables)
{
var variableName = variable.Replace("${", "").Replace("}", "");
string replacement;
if (variableName != givenVariable.Name)
{
var matchedVariable = scope.GetVariable(variableName);
replacement = matchedVariable.Interpolate(scope).Value;
}
else if (scope.Parent != null)
{
var parentScope = scope.Parent;
var matchedVariable = parentScope.GetVariable(variableName);
replacement = matchedVariable.Interpolate(parentScope).Value;
}
else
{
replacement = null;
}
if (replacement == null)
{
//TODO: make this an explicit exception type
throw new VariableException("Variable \"" + variable + "\" not defined");
}
builder.Replace(variable, replacement);//TODO
}
} while (variables.Count != 0);
return new ReadOnlyParameter(givenVariable.Name, builder.ToString());
}
