string Cast(IBasicToken token)
{
if (token.Source != null && !String.IsNullOrEmpty(token.ToString()))
{
return("''" + token.Source.ToString() + "''");
}
return("''''");
}
public static void ToSql(this IToken token, StringBuilder builder)
{
if (token is IExpression)
{
ToSql((IExpression)token, builder);
}
if (token is IBasicToken)
{
IBasicToken basicToken = token as IBasicToken;
basicToken.Evaluate();
if (basicToken.Value != null)
{
builder.AppendFormat("{0}", basicToken.Value.ToString().Replace("'", "''"));
}
}
else
{
System.Reflection.MethodInfo concreteMethod = token.GetType().GetMethod("ToSql", new Type[] { typeof(StringBuilder) });
if (null != concreteMethod)
{
concreteMethod.Invoke(token, new object[] { builder });
}
}
}
public static void ToConfiguration(this IToken token, IConfigurationElement config)
{
if (!config.Attributes.ContainsKey("type"))
{
config.AddAttribute("type").Value = token.Key;
}
else if ((string)config.GetAttributeReference("type").Value != token.Key)
{
config.GetAttributeReference("type").Value = token.Key;
}
IExpression expression = token as IExpression;
if (null != expression)
{
IConfigurationElement operandsElement = config.AddElement("operands");
int index = 0;
foreach (IToken operand in expression.Operands.Where(o => null != o))
{
IConfigurationElement operandElement = operandsElement.AddElement(index.ToString());
operand.ToConfiguration(operandElement);
index++;
}
}
else
{
IBasicToken basicToken = token as IBasicToken;
if (null != basicToken)
{
IConfigurationElement sourceElement = config.AddElement("source");
if (null != basicToken.Source)
{
if (basicToken.Source is Control)
{
sourceElement.AddAttribute("id").Value = ((Control)basicToken.Source).ID;
}
else
{
sourceElement.AddAttribute("id").Value = basicToken.Source;
}
if (!String.IsNullOrEmpty(basicToken.Member))
{
sourceElement.AddAttribute("member").Value = basicToken.Member;
}
}
else if (null != basicToken.Value)
{
sourceElement.AddAttribute("value").Value = basicToken.Source;
}
}
else
{
System.Reflection.MethodInfo concreteMethod = token.GetType().GetMethod("ToConfiguration", new Type[] { typeof(IConfigurationElement) });
if (null != concreteMethod)
{
concreteMethod.Invoke(token, new object[] { config });
}
}
}
}
string Cast(IBasicToken token)
{
if (token.Source != null && !String.IsNullOrEmpty(token.ToString()))
return "''" + token.Source.ToString() + "''";
return "''''";
}
