public static AccessibilityFlags GetAllowedAccessibilityFlags(MemberDeclarationSelection selectedMembers, bool allowOverride = false)
{
if (selectedMembers.Count < 2)
{
return(AccessibilityFlags.None);
}
var allFlags = AccessibilityFlags.None;
AccessibilityFlags allowedFlags = AccessibilityFlags.Public
| AccessibilityFlags.Internal
| AccessibilityFlags.Protected
| AccessibilityFlags.Private;
foreach (MemberDeclarationSyntax member in selectedMembers)
{
Accessibility accessibility = SyntaxInfo.AccessibilityInfo(member).Accessibility;
if (accessibility == Accessibility.NotApplicable)
{
accessibility = member.GetDefaultExplicitAccessibility();
if (accessibility == Accessibility.NotApplicable)
{
return(AccessibilityFlags.None);
}
}
AccessibilityFlags flag = accessibility.GetAccessibilityFlag();
switch (accessibility)
{
case Accessibility.Private:
case Accessibility.Protected:
case Accessibility.ProtectedAndInternal:
case Accessibility.ProtectedOrInternal:
case Accessibility.Internal:
case Accessibility.Public:
{
allFlags |= flag;
break;
}
default:
{
Debug.Fail(accessibility.ToString());
return(AccessibilityFlags.None);
}
}
foreach (Accessibility accessibility2 in Accessibilities)
{
if (accessibility != accessibility2 &&
!CSharpUtility.IsAllowedAccessibility(member, accessibility2, allowOverride: allowOverride))
{
allowedFlags &= ~accessibility2.GetAccessibilityFlag();
}
}
}
switch (allFlags)
{
case AccessibilityFlags.Private:
case AccessibilityFlags.Protected:
case AccessibilityFlags.Internal:
case AccessibilityFlags.Public:
{
allowedFlags &= ~allFlags;
break;
}
}
return(allowedFlags);
}
