public static MethodCallExpression Params(this MethodCallExpression methodCallExpression,
params Expression[] parameters)
{
foreach (Expression parameter in parameters)
{
methodCallExpression.AddParam(parameter);
}
return methodCallExpression;
}
public static NewExpression Params(this NewExpression newExpression,
params Expression[] parameters)
{
foreach (Expression parameter in parameters)
{
newExpression.AddParam(parameter);
}
return newExpression;
}
public static ConstructorStatement Param(this ConstructorStatement constructorStatement, string name, CsType type)
{
constructorStatement.AddParam(new ParameterStatement(name, type));
return constructorStatement;
}
public static MethodCallExpression RefParam(this MethodCallExpression methodCallExpression, Expression refParam)
{
methodCallExpression.AddParam(new RefExpression(refParam));
return methodCallExpression;
}
public static string AddParam(this string url, string key, object val)
{
return url.AddParam(key, val.ToString());
}
public static string Coalesce(this IQueryWithParams query, params object[] values)
{
if (values == null || values.Length == 0)
throw new ArgumentNullException("values");
StringBuilder sb = new StringBuilder("COALESCE(");
for (var i = 0; i < values.Length; i++)
{
if (i > 0)
sb.Append(", ");
var value = values[i];
if (value is ICriteria)
((ICriteria)value).ToString(sb, query);
else if (value is IQueryWithParams)
sb.Append(((IQueryWithParams) value).ToString());
else if (value is IField)
{
sb.Append(((IField)value).Expression);
}
else
{
var param = query.AutoParam();
query.AddParam(param.Name, value);
sb.Append(param.Name);
}
}
sb.Append(")");
return sb.ToString();
}
public static MethodStatement Param(this MethodStatement methodStatement, string name, CsType type)
{
methodStatement.AddParam(new ParameterStatement(name, type));
return methodStatement;
}
