internal static bool IsDefineConstraintValid(string define)
{
if (define == null)
{
return(false);
}
// Split define by OR symbol
var splitDefines = define.Split(new[] { Or }, StringSplitOptions.RemoveEmptyEntries);
foreach (var d in splitDefines)
{
var finalDefine = (d.StartsWith(Not, StringComparison.Ordinal) ? d.Substring(1) : d).Trim();
if (!SymbolNameRestrictions.IsValid(finalDefine))
{
return(false);
}
}
return(true);
}
internal static DefineConstraintStatus GetDefineConstraintCompatibility(string[] defines, string defineConstraints)
{
// Split by "||" (OR) and keep it in the resulting array
var splitDefines = s_SplitAndKeep.Split(defineConstraints);
// Trim what we consider valid space characters
for (var i = 0; i < splitDefines.Length; ++i)
{
splitDefines[i] = splitDefines[i].Trim(k_ValidWhitespaces);
}
// Check for consecutive OR
for (var i = 0; i < splitDefines.Length; ++i)
{
if (splitDefines[i] == Or && (i < splitDefines.Length - 1 && splitDefines[i + 1] == Or))
{
return(DefineConstraintStatus.Invalid);
}
}
var notExpectedDefines = new HashSet <string>(splitDefines.Where(x => x.StartsWith(Not, StringComparison.Ordinal) && x != Or).Select(x => x.Substring(1)));
var expectedDefines = new HashSet <string>(splitDefines.Where(x => !x.StartsWith(Not, StringComparison.Ordinal) && x != Or));
if (defines == null)
{
if (expectedDefines.Count > 0)
{
return(DefineConstraintStatus.Incompatible);
}
return(DefineConstraintStatus.Compatible);
}
foreach (var define in expectedDefines)
{
if (!SymbolNameRestrictions.IsValid(define))
{
return(DefineConstraintStatus.Invalid);
}
}
foreach (var define in notExpectedDefines)
{
if (!SymbolNameRestrictions.IsValid(define))
{
return(DefineConstraintStatus.Invalid);
}
}
if (expectedDefines.Overlaps(notExpectedDefines))
{
var complement = new HashSet <string>(expectedDefines);
expectedDefines.ExceptWith(notExpectedDefines);
notExpectedDefines.ExceptWith(complement);
}
var expectedDefinesResult = DefineConstraintStatus.Incompatible;
foreach (var define in expectedDefines)
{
if (defines.Contains(define))
{
expectedDefinesResult = DefineConstraintStatus.Compatible;
break;
}
}
if (expectedDefines.Count > 0 && notExpectedDefines.Count == 0)
{
return(expectedDefinesResult);
}
var notExpectedDefinesResult = DefineConstraintStatus.Compatible;
foreach (var define in notExpectedDefines)
{
if (defines.Contains(define))
{
notExpectedDefinesResult = DefineConstraintStatus.Incompatible;
break;
}
}
if (notExpectedDefines.Count > 0 && expectedDefines.Count == 0)
{
return(notExpectedDefinesResult);
}
if (expectedDefinesResult == DefineConstraintStatus.Compatible || notExpectedDefinesResult == DefineConstraintStatus.Compatible)
{
return(DefineConstraintStatus.Compatible);
}
return(DefineConstraintStatus.Incompatible);
}