/// <summary>
/// Calculates the args to be passed to the "next method".
/// </summary>
/// <param name="nextLink">The arg to be passed in the "next link" param.</param>
/// <returns>The params string, e.g. "ctx, foo, nextLink".</returns>
public string NextMethodInvocationParameters(string nextLink)
{
// some next methods take the same params as the "list initial" method plus
// the next link param. so if the param counts match assume this is the case.
// to date, the only place where this appears is in the autorest tests.
if (NextMethod.LocalParameters.Count() == LocalParameters.Count() + 1)
{
return($"{HelperInvocationParameters()}, {nextLink}");
}
// attempt to match our local params to that of the next method.
// by convention ctx is always the first parameter.
// NOTE: the context param is implicit, i.e. it isn't part of the code model
var invocationParams = new List <string> {
"ctx"
};
// short-circuit simple case, if the next method takes
// one parameter then it can only be nextLink
if (NextMethod.LocalParameters.Count() == 1)
{
invocationParams.Add(nextLink);
}
else
{
// create param lists so we can walk them by ordinal
var myMethodParams = LocalParameters.ToList();
var nextMethodParams = NextMethod.LocalParameters.ToList();
for (int i = 0; i < nextMethodParams.Count; ++i)
{
if (nextMethodParams[i].Name.EqualsIgnoreCase("nextlink"))
{
invocationParams.Add(nextLink);
}
else if (i < myMethodParams.Count && ParameterGo.Match(myMethodParams[i], nextMethodParams[i]))
{
invocationParams.Add(myMethodParams[i].Name);
}
else
{
// try to find a match in our local params
var param = myMethodParams
.Where(p => ParameterGo.Match(p, nextMethodParams[i]))
.FirstOrDefault();
if (param == null)
{
throw new Exception("failed to find a matching local parameter");
}
invocationParams.Add(param.Name);
}
}
}
return(string.Join(", ", invocationParams));
}
/// <summary>
/// Returns true if two parameters are semantically equivalent.
/// The names match (excluding casing) and the types are identical.
/// </summary>
/// <param name="lhs">Left-hand side to compare against.</param>
/// <param name="rhs">Right-hand side to compare with.</param>
/// <returns>True if the two are semantically equal.</returns>
public static bool Match(ParameterGo lhs, ParameterGo rhs)
{
return(lhs.Name.EqualsIgnoreCase(rhs.Name) && lhs.ModelTypeName.Equals(rhs.ModelTypeName));
}