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C# CodeAccessPermission.Intersect方法代码示例

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;
        }
开发者ID:ArildF,项目名称:masters,代码行数:72,代码来源:permissionlist.cs


注:本文中的System.Security.CodeAccessPermission.Intersect方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。