/// <summary>
/// Handles the next character while inside a parameter.
/// </summary>
/// <param name="context">The current parsing context.</param>
private static void HandleInParameter(ParserContext context)
{
if (context.IsMasked)
{
// All characters allowed
if (context.CurrentCharacter == '\'')
{
if (context.IsNextCharQuote())
{
// Masked ', so skip next character and continue
context.AppendParameter();
context.SkipOne();
}
else
{
// End of masked parameter
context.LogicalPosition = ConstraintPosition.AfterParameter;
context.AddParameter();
}
}
else
{
// All characters allowed
context.AppendParameter();
}
}
else
{
switch (context.CurrentCharacter)
{
case ' ': // Space after parameter is allowed
context.LogicalPosition = ConstraintPosition.AfterParameter;
if (context.CurrentParameter.Length > 0)
context.AddParameter();
break;
case ',': // End of parameter
context.LogicalPosition = ConstraintPosition.InParameters;
if (context.CurrentParameter.Length > 0)
context.AddParameter();
break;
case ')': // At end of parameters
context.LogicalPosition = ConstraintPosition.AfterParameters;
if (context.CurrentParameter.Length > 0)
context.AddParameter();
break;
case '[':
case ']':
case '(':
case '\'': // Invalid delimiters without masking
throw new ConstraintParserException(Errors.CreateHResult(ErrorCodes.ConstraintParser_HandleInParameter_ParamUnmaskedChar), string.Format(Properties.Resources.ConstraintParser_Parse_UnmaskedChar, context.CurrentCharacter), context.StringPosition);
default: // All other characters allowed in parameter
context.AppendParameter();
break;
}
}
}
/// <summary>
/// Handles the next character while inside the parameters.
/// </summary>
/// <param name="context">The current parsing context.</param>
private static void HandleInParameters(ParserContext context)
{
switch (context.CurrentCharacter)
{
case ' ': // Space between parameters is allowed
break;
case ',': // Comma must be set after first constraint
case '[':
case ']':
case '(': // Invalid characters within parameters if unmasked
throw new ConstraintParserException(Errors.CreateHResult(ErrorCodes.ConstraintParser_HandleInParameters_ParamCharInvalid), string.Format(Properties.Resources.ConstraintParser_Parse_InvalidCharInParameters, context.CurrentCharacter), context.StringPosition);
case ')': // End of parameters
context.LogicalPosition = ConstraintPosition.AfterParameters;
break;
case '\'': // Parameter is masked
context.IsMasked = true;
context.LogicalPosition = ConstraintPosition.InParameter;
break;
default: // First character of parameter
context.LogicalPosition = ConstraintPosition.InParameter;
context.AppendParameter();
break;
}
}