LCOV - code coverage report
Current view: directory - layout/style - nsCSSPseudoElements.h (source / functions) Found Hit Coverage
Test: app.info Lines: 4 0 0.0 %
Date: 2012-06-02 Functions: 2 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is atom lists for CSS pseudos.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is 
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   L. David Baron <dbaron@dbaron.org>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : /* atom list for CSS pseudo-elements */
      40                 : 
      41                 : #ifndef nsCSSPseudoElements_h___
      42                 : #define nsCSSPseudoElements_h___
      43                 : 
      44                 : #include "nsIAtom.h"
      45                 : 
      46                 : // Is this pseudo-element a CSS2 pseudo-element that can be specified
      47                 : // with the single colon syntax (in addition to the double-colon syntax,
      48                 : // which can be used for all pseudo-elements)?
      49                 : #define CSS_PSEUDO_ELEMENT_IS_CSS2                (1<<0)
      50                 : // Is this pseudo-element a pseudo-element that can contain other
      51                 : // elements?
      52                 : // (Currently pseudo-elements are either leaves of the tree (relative to
      53                 : // real elements) or they contain other elements in a non-tree-like
      54                 : // manner (i.e., like incorrectly-nested start and end tags).  It's
      55                 : // possible that in the future there might be container pseudo-elements
      56                 : // that form a properly nested tree structure.  If that happens, we
      57                 : // should probably split this flag into two.)
      58                 : #define CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS      (1<<1)
      59                 : 
      60                 : // Empty class derived from nsIAtom so that function signatures can
      61                 : // require an atom from this atom list.
      62                 : class nsICSSPseudoElement : public nsIAtom {};
      63                 : 
      64                 : class nsCSSPseudoElements {
      65                 : public:
      66                 : 
      67                 :   static void AddRefAtoms();
      68                 : 
      69                 :   static bool IsPseudoElement(nsIAtom *aAtom);
      70                 : 
      71                 :   static bool IsCSS2PseudoElement(nsIAtom *aAtom);
      72                 : 
      73               0 :   static bool PseudoElementContainsElements(nsIAtom *aAtom) {
      74               0 :     return PseudoElementHasFlags(aAtom, CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS);
      75                 :   }
      76                 : 
      77                 : #define CSS_PSEUDO_ELEMENT(_name, _value, _flags) \
      78                 :   static nsICSSPseudoElement* _name;
      79                 : #include "nsCSSPseudoElementList.h"
      80                 : #undef CSS_PSEUDO_ELEMENT
      81                 : 
      82                 :   enum Type {
      83                 :     // If the actual pseudo-elements stop being first here, change
      84                 :     // GetPseudoType.
      85                 : #define CSS_PSEUDO_ELEMENT(_name, _value_, _flags) \
      86                 :     ePseudo_##_name,
      87                 : #include "nsCSSPseudoElementList.h"
      88                 : #undef CSS_PSEUDO_ELEMENT
      89                 :     ePseudo_PseudoElementCount,
      90                 :     ePseudo_AnonBox = ePseudo_PseudoElementCount,
      91                 : #ifdef MOZ_XUL
      92                 :     ePseudo_XULTree,
      93                 : #endif
      94                 :     ePseudo_NotPseudoElement,
      95                 :     ePseudo_MAX
      96                 :   };
      97                 : 
      98                 :   static Type GetPseudoType(nsIAtom* aAtom);
      99                 : 
     100                 :   // Get the atom for a given Type.  aType must be < ePseudo_PseudoElementCount
     101                 :   static nsIAtom* GetPseudoAtom(Type aType);
     102                 : 
     103                 : private:
     104                 :   static PRUint32 FlagsForPseudoElement(nsIAtom *aAtom);
     105                 : 
     106                 :   // Does the given pseudo-element have all of the flags given?
     107               0 :   static bool PseudoElementHasFlags(nsIAtom *aAtom, PRUint32 aFlags)
     108                 :   {
     109               0 :     return (FlagsForPseudoElement(aAtom) & aFlags) == aFlags;
     110                 :   }
     111                 : };
     112                 : 
     113                 : #endif /* nsCSSPseudoElements_h___ */

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