public void TransformName()
{
var @namespace = new NamespaceDefinition();
var @enum = new EnumDefinition("CppEnum");
@enum.AddChild(new EnumeratorDefinition("COMMON_PREFIX_NONE", "0"));
@enum.AddChild(new EnumeratorDefinition("COMMON_PREFIX_VALUE1", "1"));
@enum.AddChild(new EnumeratorDefinition("COMMON_PREFIX_VALUE2", "COMMON_PREFIX_VALUE1*2"));
@namespace.AddChild(@enum);
new EnumTransformer().Transform(@namespace, null);
Assert.AreEqual(3, @enum.Children.Count());
Assert.AreEqual(3, @enum.Enumerators.Count());
EnumeratorDefinition enumerator0 = (EnumeratorDefinition)@enum.Children[0];
Assert.AreEqual("None", enumerator0.Name);
Assert.AreEqual("0", enumerator0.Value);
EnumeratorDefinition enumerator1 = (EnumeratorDefinition)@enum.Children[1];
Assert.AreEqual("Value1", enumerator1.Name);
Assert.AreEqual("1", enumerator1.Value);
EnumeratorDefinition enumerator2 = (EnumeratorDefinition)@enum.Children[2];
Assert.AreEqual("Value2", enumerator2.Name);
Assert.AreEqual("Value1*2", enumerator2.Value);
}
private static bool IsFlag(EnumeratorDefinition enumerator)
{
if (ParseValue(enumerator, out int intValue))
{
return(intValue == 0 || IsPowerOfTwo(intValue));
}
return(false);
}
private static void EnsureNoneValue(EnumDefinition @enum)
{
if (@enum.IsFlags() && HasZeroValue(@enum))
{
var enumerator = new EnumeratorDefinition("None", "0");
@enum.AddChild(enumerator);
@enum.Children.Remove(enumerator);
@enum.Children.Insert(0, enumerator);
}
}
private static void ReplaceNameReferencesInValues(EnumeratorDefinition[] enumerators, string[] newNames)
{
foreach (EnumeratorDefinition enumerator in enumerators.Where(e => e.Value != null))
{
for (int i = 0; i < enumerators.Length; i++)
{
EnumeratorDefinition oldEnumerator = enumerators[i];
string oldName = oldEnumerator.Name;
if (enumerator.Value.Contains(oldName))
{
enumerator.Value = enumerator.Value.Replace(oldName, newNames[i]);
}
}
}
}
public void AddNoneValueToEnum()
{
var @namespace = new NamespaceDefinition();
var @enum = new EnumDefinition("CppEnum");
@enum.AddChild(new EnumeratorDefinition("VALUE1", "1"));
@enum.AddChild(new EnumeratorDefinition("VALUE2", "2"));
@enum.AddChild(new EnumeratorDefinition("VALUE3", "4"));
@namespace.AddChild(@enum);
new EnumTransformer().Transform(@namespace, null);
Assert.AreEqual(4, @enum.Enumerators.Count());
EnumeratorDefinition enumerator0 = (EnumeratorDefinition)@enum.Children[0];
Assert.AreEqual("None", enumerator0.Name);
Assert.AreEqual("0", enumerator0.Value);
}
public static bool ParseValue(this EnumeratorDefinition enumerator, out int result)
{
string value = enumerator.Value;
if (string.IsNullOrEmpty(value))
{
result = 0;
return(false);
}
if (value.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
{
return(int.TryParse(value.Substring(2),
NumberStyles.HexNumber,
CultureInfo.CurrentCulture,
out result));
}
return(int.TryParse(value, out result));
}
