//---------------------------------------------------------------------
public InputVariableException(InputVariable var,
string message,
Exception exception)
: base(message, exception)
{
Variable = var;
}
//---------------------------------------------------------------------
private bool ReadVariable(InputVariable var,
bool optional)
{
if (var == null)
{
throw new System.ArgumentNullException();
}
if (VariableNameMatches(var.Name, optional))
{
// Read the variable's value
StringReader strReader = new StringReader(textAfterName);
try {
var.ReadValue(strReader);
}
catch (InputVariableException exc) {
throw new LineReaderException(reader, exc);
}
TextReader.SkipWhitespace(strReader);
string textAfterValue = strReader.ReadToEnd();
if (textAfterValue.Length == 0)
{
return(true);
}
string message = string.Format("Extra text after the value for \"{0}\"",
var.Name);
throw ExtraTextException(message, textAfterValue);
}
return(false);
}
//---------------------------------------------------------------------
public InputVariableException(InputVariable var,
string message,
params object[] args)
: base(string.Format(message, args))
{
Variable = var;
}
//---------------------------------------------------------------------
/// <summary>
/// Reads the name and value of an input variable from the current
/// line.
/// </summary>
/// <exception cref="LineReaderException">
/// </exception>
/// <remarks>
/// After a call to this method, the property CurrentLine will refer
/// to the next data line after the line with the variable that was
/// just read. The caller can perform additional error-checking on
/// the variable's value after this method returns. If the caller
/// detects an error, it should throw an InputValueException or
/// an InputVariableException.
/// </remarks>
protected void ReadVar(InputVariable var)
{
Debug.Assert(inputLine != null);
inputLine.ReadVar(var);
SetCurrentVar(var);
GetNextLine();
}
//---------------------------------------------------------------------
/// <summary>
/// Reads the value of an input variable from the current line.
/// </summary>
/// <exception cref="InputValueException">
/// </exception>
/// <remarks>
/// This method is used for reading column values from a table. The
/// current line is a row in the table.
/// </remarks>
protected void ReadValue(InputVariable var,
StringReader currentLine)
{
Require.ArgumentNotNull(var);
Require.ArgumentNotNull(currentLine);
var.ReadValue(currentLine);
SetCurrentVar(var);
}
//---------------------------------------------------------------------
private void SetCurrentVar(InputVariable var)
{
currentVar = var;
if (inputLine != null)
{
currentVarLineNum = inputLine.Number;
}
else
{
currentVarLineNum = 0;
}
}
//---------------------------------------------------------------------
/// <summary>
/// Reads the name and value of an optional input variable from the
/// current line.
/// </summary>
/// <returns>
/// true if the name and value were read; false if the name on the
/// current line does not match the variable's name.
/// </returns>
/// <exception cref="LineReaderException">
/// </exception>
/// <remarks>
/// If this method return true, the property CurrentLine will refer
/// to the next data line after the line with the variable that was
/// just read. The caller can perform additional error-checking on
/// the variable's value after this method returns. If the caller
/// detects an error, it should throw an InputValueException or
/// an InputVariableException.
/// </remarks>
protected bool ReadOptionalVar(InputVariable var)
{
Debug.Assert(inputLine != null);
if (inputLine.ReadOptionalVar(var))
{
SetCurrentVar(var);
GetNextLine();
return(true);
}
else
{
return(false);
}
}
//---------------------------------------------------------------------
/// <summary>
/// Reads the name and value for an optional InputVariable.
/// </summary>
public bool ReadOptionalVar(InputVariable var)
{
return(ReadVariable(var, true));
}
//---------------------------------------------------------------------
/// <summary>
/// Reads the name and value for an InputVariable.
/// </summary>
public void ReadVar(InputVariable var)
{
ReadVariable(var, false);
}