private static string ValueEquals(string other, KeysGeneratorDef def)
{
return($"return {def.ValuePropertyName}.Equals({other});");
/*if (compareByEqual)
* return $"return Value.Equals({other});";
* return $"return Value == {other};";*/
}
private static void AddToStringMethod(CsClass cl, KeysGeneratorDef def)
{
var m = cl.AddMethod(nameof(ToString), "string");
m.Overriding = OverridingType.Override;
var e = def.GetToStringExpression();
m.Body = $"return {e};";
}
private static void AddGetHashCodeMethod(CsClass cl, KeysGeneratorDef def)
{
var m = cl.AddMethod(nameof(GetHashCode), "int");
m.Overriding = OverridingType.Override;
switch (def.WrappedType)
{
case WrappedTypes.String:
// m.Body = "return Value is null ? 0 : StringComparer.Ordinal.GetHashCode(Value);";
m.Body = $"return {def.ValuePropertyName}.GetHashCode();";
break;
case WrappedTypes.Int:
m.Body = $"return {def.ValuePropertyName};";
break;
default:
throw new NotImplementedException();
}
}
private void AddEqualsMethods(CsClass cl, KeysGeneratorDef def)
{
var typeName = def.TypeName;
var propName = def.ValuePropertyName;
{
var m = cl.AddMethod(nameof(Equals), "bool");
m.Parameters.Add(new CsMethodParameter("other", typeName));
m.Body = ValueEquals($"other.{propName}", def);
}
{
var m = cl.AddMethod(nameof(Equals), "bool");
m.Overriding = OverridingType.Override;
m.Parameters.Add(new CsMethodParameter("obj", "object"));
if (def.WrappedType == WrappedTypes.String)
{
m.Body = $"return obj is {typeName} s && StringComparer.Ordinal.Equals({propName}, s.{propName});";
}
else
{
m.Body = $"return obj is {typeName} s && {propName}.Equals(s.{propName});";
}
}
}
private static void AddConstructor(CsClass csStruct, KeysGeneratorDef def)
{
var propName = def.ValuePropertyName;
var argName = propName.FirstLower();
var cs = new CsCodeWriter();
if (def.WrappedType == WrappedTypes.String)
{
var args = new CsArguments($"nameof({argName})");
var exception = args.Create(csStruct.GetTypeName <NullReferenceException>());
cs.SingleLineIf($"{argName} is null", $"throw {exception};");
exception = args.Create(csStruct.GetTypeName <ArgumentException>());
cs.SingleLineIf($"{argName}.Length == 0", $"throw {exception};");
cs.WriteAssign(propName, $"{argName}.Trim()");
}
else
{
cs.WriteAssign(propName, argName);
}
csStruct.AddConstructor()
.WithParameter(new CsMethodParameter(argName, def.CsWrappedType))
.WithBody(cs);
for (var i = 0; i < 2; i++)
{
var eq = i == 0;
var m = csStruct.AddMethod(eq ? "==" : "!=", "bool", eq ? "Equality operator" : "Inequality operator")
.WithBody($"return {(eq ? "" : "!")}left.Equals(right);");
m.AddParam("left", csStruct.Name, "first value to compare");
m.AddParam("right", csStruct.Name, "second value to compare");
}
}
public void Add(KeysGeneratorDef def)
{
Defs.Add(def);
}