SharePoint PermissionMask

I found the values in C:\Program Files (x86)\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,
	-->

GetPermissionMask

<xsl:template name="GetPermissionMask">
	
		<xsl:variable name="Permission" select="name(@*[1])"/>
		
		<xsl:choose>
			<xsl:when test="$Permission='PermEmptyMask'">0</xsl:when>
			<xsl:when test="$Permission='PermViewListItems'">1</xsl:when>
			<xsl:when test="$Permission='PermAddListItems'">2</xsl:when>
			<xsl:when test="$Permission='PermEditListItems'">4</xsl:when>
			<xsl:when test="$Permission='PermDeleteListItems'">8</xsl:when>
			<xsl:when test="$Permission='PermApproveItems'">16</xsl:when>
			<xsl:when test="$Permission='PermOpenItems'">32</xsl:when>
			<xsl:when test="$Permission='PermViewVersions'">64</xsl:when>
			<xsl:when test="$Permission='PermDeleteVersions'">128</xsl:when>
			<xsl:when test="$Permission='PermCancelCheckout'">256</xsl:when>
			<xsl:when test="$Permission='PermManagePersonalViews'">512</xsl:when>
			<xsl:when test="$Permission='PermManageLists'">2048</xsl:when>
			<xsl:when test="$Permission='PermViewFormPages'">4096</xsl:when>
			<xsl:when test="$Permission='PermOpen'">65536</xsl:when>
			<xsl:when test="$Permission='PermViewPages'">131072</xsl:when>
			<xsl:when test="$Permission='PermAddAndCustomizePages'">262144</xsl:when>
			<xsl:when test="$Permission='PermApplyThemeAndBorder'">524288</xsl:when>
			<xsl:when test="$Permission='PermApplyStyleSheets'">1048576</xsl:when>
			<xsl:when test="$Permission='PermViewUsageData'">2097152</xsl:when>
			<xsl:when test="$Permission='PermCreateSSCSite'">4194314</xsl:when>
			<xsl:when test="$Permission='PermManageSubwebs'">8388608</xsl:when>
			<xsl:when test="$Permission='PermCreateGroups'">16777216</xsl:when>
			<xsl:when test="$Permission='PermManagePermissions'">33554432</xsl:when>
			<xsl:when test="$Permission='PermBrowseDirectories'">67108864</xsl:when>
			<xsl:when test="$Permission='PermBrowseUserInfo'">134217728</xsl:when>
			<xsl:when test="$Permission='PermAddDelPrivateWebParts'">268435456</xsl:when>
			<xsl:when test="$Permission='PermUpdatePersonalWebParts'">536870912</xsl:when>
			<xsl:when test="$Permission='PermManageWeb'">1073741824</xsl:when>
			<xsl:when test="$Permission='PermUseRemoteAPIs'">137438953472</xsl:when>
			<xsl:when test="$Permission='PermManageAlerts'">274877906944</xsl:when>
			<xsl:when test="$Permission='PermCreateAlerts'">549755813888</xsl:when>
			<xsl:when test="$Permission='PermEditMyUserInfo'">1099511627776</xsl:when>
			<xsl:when test="$Permission='PermEnumeratePermissions'">4611686018427387904</xsl:when>
			<xsl:when test="$Permission='PermFullMask'">9223372036854775807</xsl:when>
			<xsl:otherwise>0</xsl:otherwise>
		</xsl:choose>
	</xsl:template>