зеркало из https://github.com/mozilla/pjs.git
114 строки
4.2 KiB
C++
114 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is atom lists for CSS pseudos.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* L. David Baron <dbaron@dbaron.org>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/* atom list for CSS pseudo-elements */
|
|
|
|
#ifndef nsCSSPseudoElements_h___
|
|
#define nsCSSPseudoElements_h___
|
|
|
|
#include "nsIAtom.h"
|
|
|
|
// Is this pseudo-element a CSS2 pseudo-element that can be specified
|
|
// with the single colon syntax (in addition to the double-colon syntax,
|
|
// which can be used for all pseudo-elements)?
|
|
#define CSS_PSEUDO_ELEMENT_IS_CSS2 (1<<0)
|
|
// Is this pseudo-element a pseudo-element that can contain other
|
|
// elements?
|
|
// (Currently pseudo-elements are either leaves of the tree (relative to
|
|
// real elements) or they contain other elements in a non-tree-like
|
|
// manner (i.e., like incorrectly-nested start and end tags). It's
|
|
// possible that in the future there might be container pseudo-elements
|
|
// that form a properly nested tree structure. If that happens, we
|
|
// should probably split this flag into two.)
|
|
#define CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS (1<<1)
|
|
|
|
// Empty class derived from nsIAtom so that function signatures can
|
|
// require an atom from this atom list.
|
|
class nsICSSPseudoElement : public nsIAtom {};
|
|
|
|
class nsCSSPseudoElements {
|
|
public:
|
|
|
|
static void AddRefAtoms();
|
|
|
|
static PRBool IsPseudoElement(nsIAtom *aAtom);
|
|
|
|
static PRBool IsCSS2PseudoElement(nsIAtom *aAtom);
|
|
|
|
static PRBool PseudoElementContainsElements(nsIAtom *aAtom) {
|
|
return PseudoElementHasFlags(aAtom, CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS);
|
|
}
|
|
|
|
#define CSS_PSEUDO_ELEMENT(_name, _value, _flags) \
|
|
static nsICSSPseudoElement* _name;
|
|
#include "nsCSSPseudoElementList.h"
|
|
#undef CSS_PSEUDO_ELEMENT
|
|
|
|
enum Type {
|
|
// If the actual pseudo-elements stop being first here, change
|
|
// GetPseudoType.
|
|
#define CSS_PSEUDO_ELEMENT(_name, _value_, _flags) \
|
|
ePseudo_##_name,
|
|
#include "nsCSSPseudoElementList.h"
|
|
#undef CSS_PSEUDO_ELEMENT
|
|
ePseudo_PseudoElementCount,
|
|
ePseudo_AnonBox = ePseudo_PseudoElementCount,
|
|
#ifdef MOZ_XUL
|
|
ePseudo_XULTree,
|
|
#endif
|
|
ePseudo_NotPseudoElement,
|
|
ePseudo_MAX
|
|
};
|
|
|
|
static Type GetPseudoType(nsIAtom* aAtom);
|
|
|
|
// Get the atom for a given Type. aType must be < ePseudo_PseudoElementCount
|
|
static nsIAtom* GetPseudoAtom(Type aType);
|
|
|
|
private:
|
|
static PRUint32 FlagsForPseudoElement(nsIAtom *aAtom);
|
|
|
|
// Does the given pseudo-element have all of the flags given?
|
|
static PRBool PseudoElementHasFlags(nsIAtom *aAtom, PRUint32 aFlags)
|
|
{
|
|
return (FlagsForPseudoElement(aAtom) & aFlags) == aFlags;
|
|
}
|
|
};
|
|
|
|
#endif /* nsCSSPseudoElements_h___ */
|