XSL Security Trimming without SPSecurityTrimmedControl - ddwrt IfHasRights()

<xsl:if test="ddwrt:IfHasRights('2')">
    <div>
        <img src="/_layouts/images/caladd.gif" alt=""/> <a><xsl:attribute name="onclick">javascript:NewItem2(event, "/_layouts/listform.aspx?PageType=8&ListId={}&RootFolder=");javascript:return false;</xsl:attribute> <xsl:attribute name="href">/_layouts/listform.aspx?PageType=8&ListId={}&RootFolder=</xsl:attribute>Add new announcement</a>
    </div>
</xsl:if>


From C:\Program Files\Microsoft Office\Office14\CAML2XSL.XSL:

 <!-- keep in sync with global.cs!!!
     EmptyMask               =0x0000000000000000,
        // list/document perms  =0x000000000000XXXX,
        ViewListItems           =0x0000000000000001,
        AddListItems            =0x0000000000000002,
        EditListItems           =0x0000000000000004,
        DeleteListItems         =0x0000000000000008,
        ApproveItems            =0x0000000000000010,
        OpenItems               =0x0000000000000020,
        ViewVersions            =0x0000000000000040,
        DeleteVersions          =0x0000000000000080,
        CancelCheckout          =0x0000000000000100,
        ManagePersonalViews     =0x0000000000000200,
        // UnusedList10         =0x0000000000000400, /* obsolete ManageListPermission */
        ManageLists             =0x0000000000000800,
        ViewFormPages           =0x0000000000001000,
        // UnusedList20         =0x0000000000002000,
        // UnusedList40         =0x0000000000004000,
        // UnusedList80         =0x0000000000008000,
        // web level perms      =0x0000XXXXXXXX0000,
        Open                    =0x0000000000010000,
        ViewPages               =0x0000000000020000,
        AddAndCustomizePages    =0x0000000000040000,
        ApplyThemeAndBorder     =0x0000000000080000,
        ApplyStyleSheets        =0x0000000000100000,
        ViewUsageData           =0x0000000000200000,
        CreateSSCSite           =0x0000000000400000,
        ManageSubwebs           =0x0000000000800000,
        CreateGroups            =0x0000000001000000,
        ManagePermissions       =0x0000000002000000,
        BrowseDirectories       =0x0000000004000000,
        BrowseUserInfo          =0x0000000008000000,
        AddDelPrivateWebParts   =0x0000000010000000,
        UpdatePersonalWebParts  =0x0000000020000000,
        ManageWeb               =0x0000000040000000,
        UseRemoteAPIs           =0x0000002000000000,
        ManageAlerts            =0x0000004000000000,
        CreateAlerts            =0x0000008000000000,
        EditMyUserInfo          =0x0000010000000000,
       
        // special perms        =0xXXXX000000000000,
        EnumeratePermissions    =0x4000000000000000,
        // end of list
        FullMask                =0x7FFFFFFFFFFFFFFF,
 -->

Resources:
http://sharepoint.indigoreality.com/2012/05/04/sharepoint-2010-ifhasrightspermissionmask/
SPBasePermissions enumeration