private MappingPair?GetMappingCallFromContext(InvocationExpressionSyntax invocation)
{
var info = _semanticModel.GetSymbolInfo(invocation);
var method = info.Symbol as IMethodSymbol;
if (method == null)
{
return(null);
}
var classType = method.ContainingType;
if (!IsMapperType(classType))
{
return(null);
}
if (method.Name != "Map")
{
return(null);
}
if (method.Arity != 1)
{
return(null);
}
if (method.TypeArguments.Length != 1)
{
return(null);
}
var argument = invocation
.ArgumentList
.Arguments
.Single();
var argumentSymbolInformation = _semanticModel.GetSymbolInfo(argument.Expression);
var sourceType = GetTypeFromSymbol(argumentSymbolInformation.Symbol);
if (sourceType == null)
{
return(null);
}
var destinationType = method.ReturnType;
var call = new MappingPair()
{
SourceType = sourceType,
DestinationType = destinationType
};
return(call);
}
private MappingPair?GetConfigurationCallFromContext(InvocationExpressionSyntax invocation)
{
var info = _semanticModel.GetSymbolInfo(invocation);
var method = info.Symbol as IMethodSymbol;
if (method == null)
{
return(null);
}
if (!method.ContainingType.Equals(_configurationType))
{
return(null);
}
if (method.Name != "CreateMap")
{
return(null);
}
if (method.TypeArguments.Length != 2)
{
return(null);
}
var sourceType = method
.TypeArguments
.FirstOrDefault();
var destinationType = method
.TypeArguments
.LastOrDefault();
var call = new MappingPair()
{
SourceType = sourceType,
DestinationType = destinationType
};
return(call);
}