/// <summary>创建一个权限，该权限是当前权限与指定权限的并集。</summary>
/// <returns>一个新权限，它表示当前权限与指定权限的并集。</returns>
/// <param name="other">将与当前权限合并的权限。它必须与当前权限属于同一类型。</param>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="other" /> 参数不是 null，而且与当前权限不是同一类型。</exception>
public override IPermission Union(IPermission other)
{
if (other == null)
{
return(this.Copy());
}
FileIOPermission fileIoPermission = other as FileIOPermission;
if (fileIoPermission == null)
{
throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", (object)this.GetType().FullName));
}
if (this.IsUnrestricted() || fileIoPermission.IsUnrestricted())
{
return((IPermission) new FileIOPermission(PermissionState.Unrestricted));
}
FileIOAccess fileIoAccess1 = this.m_read == null ? fileIoPermission.m_read : this.m_read.Union(fileIoPermission.m_read);
FileIOAccess fileIoAccess2 = this.m_write == null ? fileIoPermission.m_write : this.m_write.Union(fileIoPermission.m_write);
FileIOAccess fileIoAccess3 = this.m_append == null ? fileIoPermission.m_append : this.m_append.Union(fileIoPermission.m_append);
FileIOAccess fileIoAccess4 = this.m_pathDiscovery == null ? fileIoPermission.m_pathDiscovery : this.m_pathDiscovery.Union(fileIoPermission.m_pathDiscovery);
FileIOAccess fileIoAccess5 = this.m_viewAcl == null ? fileIoPermission.m_viewAcl : this.m_viewAcl.Union(fileIoPermission.m_viewAcl);
FileIOAccess fileIoAccess6 = this.m_changeAcl == null ? fileIoPermission.m_changeAcl : this.m_changeAcl.Union(fileIoPermission.m_changeAcl);
if ((fileIoAccess1 == null || fileIoAccess1.IsEmpty()) && (fileIoAccess2 == null || fileIoAccess2.IsEmpty()) && ((fileIoAccess3 == null || fileIoAccess3.IsEmpty()) && (fileIoAccess4 == null || fileIoAccess4.IsEmpty())) && ((fileIoAccess5 == null || fileIoAccess5.IsEmpty()) && (fileIoAccess6 == null || fileIoAccess6.IsEmpty())))
{
return((IPermission)null);
}
return((IPermission) new FileIOPermission(PermissionState.None)
{
m_unrestricted = false, m_read = fileIoAccess1, m_write = fileIoAccess2, m_append = fileIoAccess3, m_pathDiscovery = fileIoAccess4, m_viewAcl = fileIoAccess5, m_changeAcl = fileIoAccess6
});
}
public override IPermission Union(IPermission other)
{
if (other == null)
{
return(this.Copy());
}
FileIOPermission permission = other as FileIOPermission;
if (permission == null)
{
throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", new object[] { base.GetType().FullName }));
}
if (this.IsUnrestricted() || permission.IsUnrestricted())
{
return(new FileIOPermission(PermissionState.Unrestricted));
}
FileIOAccess access = (this.m_read == null) ? permission.m_read : this.m_read.Union(permission.m_read);
FileIOAccess access2 = (this.m_write == null) ? permission.m_write : this.m_write.Union(permission.m_write);
FileIOAccess access3 = (this.m_append == null) ? permission.m_append : this.m_append.Union(permission.m_append);
FileIOAccess access4 = (this.m_pathDiscovery == null) ? permission.m_pathDiscovery : this.m_pathDiscovery.Union(permission.m_pathDiscovery);
FileIOAccess access5 = (this.m_viewAcl == null) ? permission.m_viewAcl : this.m_viewAcl.Union(permission.m_viewAcl);
FileIOAccess access6 = (this.m_changeAcl == null) ? permission.m_changeAcl : this.m_changeAcl.Union(permission.m_changeAcl);
if (((((access == null) || access.IsEmpty()) && ((access2 == null) || access2.IsEmpty())) && (((access3 == null) || access3.IsEmpty()) && ((access4 == null) || access4.IsEmpty()))) && (((access5 == null) || access5.IsEmpty()) && ((access6 == null) || access6.IsEmpty())))
{
return(null);
}
return(new FileIOPermission(PermissionState.None)
{
m_unrestricted = false, m_read = access, m_write = access2, m_append = access3, m_pathDiscovery = access4, m_viewAcl = access5, m_changeAcl = access6
});
}
public override IPermission Intersect(IPermission target)
{
if (target == null)
{
return(null);
}
FileIOPermission operand = target as FileIOPermission;
if (operand == null)
{
throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName));
}
else if (this.IsUnrestricted())
{
return(target.Copy());
}
if (operand.IsUnrestricted())
{
return(this.Copy());
}
FileIOAccess intersectRead = this.m_read == null ? null : this.m_read.Intersect(operand.m_read);
FileIOAccess intersectWrite = this.m_write == null ? null : this.m_write.Intersect(operand.m_write);
FileIOAccess intersectAppend = this.m_append == null ? null : this.m_append.Intersect(operand.m_append);
FileIOAccess intersectPathDiscovery = this.m_pathDiscovery == null ? null : this.m_pathDiscovery.Intersect(operand.m_pathDiscovery);
FileIOAccess intersectViewAcl = this.m_viewAcl == null ? null : this.m_viewAcl.Intersect(operand.m_viewAcl);
FileIOAccess intersectChangeAcl = this.m_changeAcl == null ? null : this.m_changeAcl.Intersect(operand.m_changeAcl);
if ((intersectRead == null || intersectRead.IsEmpty()) &&
(intersectWrite == null || intersectWrite.IsEmpty()) &&
(intersectAppend == null || intersectAppend.IsEmpty()) &&
(intersectPathDiscovery == null || intersectPathDiscovery.IsEmpty()) &&
(intersectViewAcl == null || intersectViewAcl.IsEmpty()) &&
(intersectChangeAcl == null || intersectChangeAcl.IsEmpty()))
{
return(null);
}
FileIOPermission intersectPermission = new FileIOPermission(PermissionState.None);
intersectPermission.m_unrestricted = false;
intersectPermission.m_read = intersectRead;
intersectPermission.m_write = intersectWrite;
intersectPermission.m_append = intersectAppend;
intersectPermission.m_pathDiscovery = intersectPathDiscovery;
intersectPermission.m_viewAcl = intersectViewAcl;
intersectPermission.m_changeAcl = intersectChangeAcl;
return(intersectPermission);
}
public override IPermission Union(IPermission other)
{
if (other == null)
{
return(this.Copy());
}
FileIOPermission operand = other as FileIOPermission;
if (operand == null)
{
throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName));
}
if (this.IsUnrestricted() || operand.IsUnrestricted())
{
return(new FileIOPermission(PermissionState.Unrestricted));
}
FileIOAccess unionRead = this.m_read == null ? operand.m_read : this.m_read.Union(operand.m_read);
FileIOAccess unionWrite = this.m_write == null ? operand.m_write : this.m_write.Union(operand.m_write);
FileIOAccess unionAppend = this.m_append == null ? operand.m_append : this.m_append.Union(operand.m_append);
FileIOAccess unionPathDiscovery = this.m_pathDiscovery == null ? operand.m_pathDiscovery : this.m_pathDiscovery.Union(operand.m_pathDiscovery);
FileIOAccess unionViewAcl = this.m_viewAcl == null ? operand.m_viewAcl : this.m_viewAcl.Union(operand.m_viewAcl);
FileIOAccess unionChangeAcl = this.m_changeAcl == null ? operand.m_changeAcl : this.m_changeAcl.Union(operand.m_changeAcl);
if ((unionRead == null || unionRead.IsEmpty()) &&
(unionWrite == null || unionWrite.IsEmpty()) &&
(unionAppend == null || unionAppend.IsEmpty()) &&
(unionPathDiscovery == null || unionPathDiscovery.IsEmpty()) &&
(unionViewAcl == null || unionViewAcl.IsEmpty()) &&
(unionChangeAcl == null || unionChangeAcl.IsEmpty()))
{
return(null);
}
FileIOPermission unionPermission = new FileIOPermission(PermissionState.None);
unionPermission.m_unrestricted = false;
unionPermission.m_read = unionRead;
unionPermission.m_write = unionWrite;
unionPermission.m_append = unionAppend;
unionPermission.m_pathDiscovery = unionPathDiscovery;
unionPermission.m_viewAcl = unionViewAcl;
unionPermission.m_changeAcl = unionChangeAcl;
return(unionPermission);
}
