本文整理汇总了C#中System.Security.CodeAccessPermission.Intersect方法的典型用法代码示例。如果您正苦于以下问题:C# CodeAccessPermission.Intersect方法的具体用法?C# CodeAccessPermission.Intersect怎么用?C# CodeAccessPermission.Intersect使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Security.CodeAccessPermission
的用法示例。
在下文中一共展示了CodeAccessPermission.Intersect方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CheckDemandInternal
internal bool CheckDemandInternal(CodeAccessPermission demand, out Exception exception)
{
BCLDebug.Assert(m_head != null,"m_head != null");
for (PListNode pnext = m_head; pnext != null; pnext = pnext.next)
{
if (pnext.perm == null)
{
// If this is a grant set or a permit only, then we should fail since null indicates the empty permission.
if (pnext.type == MatchChecked || pnext.type == MatchPermitOnly)
{
BCLDebug.Assert( !demand.IsSubsetOf( null ), "By the time we get here, demands that are subsets of null should have been terminated" );
exception = new SecurityException(String.Format(Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName));
return false;
}
// If this is a deny, then we should fail since null indicates the unrestricted permission.
if (pnext.type == MatchDeny)
{
exception = new SecurityException(String.Format(Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName));
return false;
}
// If this is an assert, then we should return success and terminate the stack walk since
// null indicates the unrestricted permission.
if (pnext.type == MatchAssert)
{
exception = null;
return false;
}
// If this is anything else, then we should act confused.
// This case is unexpected.
BCLDebug.Assert( false, "This case should never happen" );
exception = new InvalidOperationException( Environment.GetResourceString( "InvalidOperation_InvalidState" ) );
return false;
}
CodeAccessPermission cap = pnext.perm;
switch (pnext.type)
{
case MatchChecked:
case MatchPermitOnly:
if (!demand.IsSubsetOf(cap))
{
exception = new SecurityException(String.Format(Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName));
return false;
}
break;
case MatchAssert:
if (demand.IsSubsetOf(cap))
{
exception = null;
return false;
}
break;
case MatchDeny:
if (demand.Intersect(cap) != null)
{
exception = new SecurityException(String.Format(Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName));
return false;
}
break;
default:
// Illegal entry
exception = new InvalidOperationException( Environment.GetResourceString( "InvalidOperation_InvalidState" ) );
return false;
}
}
exception = null;
return true;
}