2001-09-25 05:32:19 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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2004-04-18 01:52:36 +04:00
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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1998-04-14 00:24:54 +04:00
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*
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2004-04-18 01:52:36 +04:00
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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1998-04-14 00:24:54 +04:00
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*
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2001-09-25 05:32:19 +04:00
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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1998-04-14 00:24:54 +04:00
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*
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1999-11-06 06:40:37 +03:00
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* The Original Code is mozilla.org code.
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*
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2004-04-18 01:52:36 +04:00
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* The Initial Developer of the Original Code is
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2001-09-25 05:32:19 +04:00
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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1999-11-06 06:40:37 +03:00
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*
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2001-09-25 05:32:19 +04:00
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* Contributor(s):
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2001-02-13 17:06:29 +03:00
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* Daniel Glazman <glazman@netscape.com>
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2008-06-03 07:17:35 +04:00
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* L. David Baron <dbaron@dbaron.org>, Mozilla Corporation
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2001-09-25 05:32:19 +04:00
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*
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* Alternatively, the contents of this file may be used under the terms of
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2004-04-18 01:52:36 +04:00
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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2001-09-25 05:32:19 +04:00
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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2004-04-18 01:52:36 +04:00
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* use your version of this file under the terms of the MPL, indicate your
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2001-09-25 05:32:19 +04:00
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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2004-04-18 01:52:36 +04:00
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* the terms of any one of the MPL, the GPL or the LGPL.
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2001-09-25 05:32:19 +04:00
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*
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* ***** END LICENSE BLOCK ***** */
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2006-03-25 08:47:31 +03:00
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/*
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* representation of CSS style rules (selectors+declaration) and CSS
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* selectors
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*/
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2011-03-11 05:48:57 +03:00
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#ifndef mozilla_css_StyleRule_h__
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#define mozilla_css_StyleRule_h__
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1998-04-14 00:24:54 +04:00
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1999-06-10 09:30:36 +04:00
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//#include <stdio.h>
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2011-04-08 05:23:46 +04:00
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#include "mozilla/css/Rule.h"
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1998-12-11 05:50:01 +03:00
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#include "nsString.h"
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2002-08-14 16:34:39 +04:00
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#include "nsCOMPtr.h"
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2009-12-11 10:37:40 +03:00
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#include "nsCSSPseudoElements.h"
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2009-12-11 10:37:41 +03:00
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#include "nsCSSPseudoClasses.h"
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2011-03-11 05:48:57 +03:00
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#include "nsAutoPtr.h"
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1998-12-11 05:50:01 +03:00
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1998-04-14 00:24:54 +04:00
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class nsIAtom;
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2010-05-12 00:41:47 +04:00
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class nsCSSStyleSheet;
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2010-04-24 06:59:47 +04:00
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struct nsCSSSelectorList;
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2011-03-11 05:48:57 +03:00
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class nsCSSCompressedDataBlock;
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2010-06-29 02:49:35 +04:00
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1998-12-11 05:50:01 +03:00
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struct nsAtomList {
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public:
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nsAtomList(nsIAtom* aAtom);
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nsAtomList(const nsString& aAtomValue);
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~nsAtomList(void);
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2006-04-26 01:48:11 +04:00
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/** Do a deep clone. Should be used only on the first in the linked list. */
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nsAtomList* Clone() const { return Clone(PR_TRUE); }
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1998-12-11 05:50:01 +03:00
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2002-08-14 16:34:39 +04:00
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nsCOMPtr<nsIAtom> mAtom;
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nsAtomList* mNext;
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2006-04-26 01:48:11 +04:00
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private:
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nsAtomList* Clone(PRBool aDeep) const;
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// These are not supported and are not implemented!
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nsAtomList(const nsAtomList& aCopy);
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nsAtomList& operator=(const nsAtomList& aCopy);
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2002-08-14 16:34:39 +04:00
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};
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2008-06-03 07:17:35 +04:00
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struct nsPseudoClassList {
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2002-08-14 16:34:39 +04:00
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public:
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2011-03-23 16:52:25 +03:00
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nsPseudoClassList(nsCSSPseudoClasses::Type aType);
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nsPseudoClassList(nsCSSPseudoClasses::Type aType, const PRUnichar *aString);
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nsPseudoClassList(nsCSSPseudoClasses::Type aType, const PRInt32 *aIntPair);
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nsPseudoClassList(nsCSSPseudoClasses::Type aType,
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2010-04-24 06:59:47 +04:00
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nsCSSSelectorList *aSelectorList /* takes ownership */);
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2008-06-03 07:17:35 +04:00
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~nsPseudoClassList(void);
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2006-04-26 01:48:11 +04:00
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/** Do a deep clone. Should be used only on the first in the linked list. */
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2008-06-03 07:17:35 +04:00
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nsPseudoClassList* Clone() const { return Clone(PR_TRUE); }
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2002-08-14 16:34:39 +04:00
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2008-06-03 07:17:35 +04:00
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union {
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2011-03-23 16:52:24 +03:00
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// For a given value of mType, we have either:
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2008-06-03 07:17:35 +04:00
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// a. no value, which means mMemory is always null
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2010-04-24 06:59:47 +04:00
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// (if none of the conditions for (b), (c), or (d) is true)
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2008-06-03 07:17:35 +04:00
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// b. a string value, which means mString/mMemory is non-null
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2011-03-23 16:52:24 +03:00
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// (if nsCSSPseudoClasses::HasStringArg(mType))
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2008-06-03 07:17:35 +04:00
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// c. an integer pair value, which means mNumbers/mMemory is non-null
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2011-03-23 16:52:24 +03:00
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// (if nsCSSPseudoClasses::HasNthPairArg(mType))
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2010-04-24 06:59:47 +04:00
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// d. a selector list, which means mSelectors is non-null
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2011-03-23 16:52:24 +03:00
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// (if nsCSSPseudoClasses::HasSelectorListArg(mType))
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2010-04-24 06:59:47 +04:00
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void* mMemory; // mString and mNumbers use NS_Alloc/NS_Free
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2008-06-03 07:17:35 +04:00
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PRUnichar* mString;
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PRInt32* mNumbers;
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2010-04-24 06:59:47 +04:00
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nsCSSSelectorList* mSelectors;
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2008-06-03 07:17:35 +04:00
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} u;
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2009-12-11 10:37:41 +03:00
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nsCSSPseudoClasses::Type mType;
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2008-06-03 07:17:35 +04:00
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nsPseudoClassList* mNext;
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2006-04-26 01:48:11 +04:00
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private:
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2008-06-03 07:17:35 +04:00
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nsPseudoClassList* Clone(PRBool aDeep) const;
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2006-04-26 01:48:11 +04:00
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// These are not supported and are not implemented!
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2008-06-03 07:17:35 +04:00
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nsPseudoClassList(const nsPseudoClassList& aCopy);
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nsPseudoClassList& operator=(const nsPseudoClassList& aCopy);
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1998-12-11 05:50:01 +03:00
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};
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1998-12-20 04:19:22 +03:00
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#define NS_ATTR_FUNC_SET 0 // [attr]
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#define NS_ATTR_FUNC_EQUALS 1 // [attr=value]
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#define NS_ATTR_FUNC_INCLUDES 2 // [attr~=value] (space separated)
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#define NS_ATTR_FUNC_DASHMATCH 3 // [attr|=value] ('-' truncated)
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2001-03-03 03:54:04 +03:00
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#define NS_ATTR_FUNC_BEGINSMATCH 4 // [attr^=value] (begins with)
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#define NS_ATTR_FUNC_ENDSMATCH 5 // [attr$=value] (ends with)
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#define NS_ATTR_FUNC_CONTAINSMATCH 6 // [attr*=value] (contains substring)
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1998-12-11 05:50:01 +03:00
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struct nsAttrSelector {
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public:
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1999-06-10 09:30:36 +04:00
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nsAttrSelector(PRInt32 aNameSpace, const nsString& aAttr);
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nsAttrSelector(PRInt32 aNameSpace, const nsString& aAttr, PRUint8 aFunction,
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const nsString& aValue, PRBool aCaseSensitive);
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2009-09-29 10:07:45 +04:00
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nsAttrSelector(PRInt32 aNameSpace, nsIAtom* aLowercaseAttr,
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nsIAtom* aCasedAttr, PRUint8 aFunction,
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2006-04-26 01:48:11 +04:00
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const nsString& aValue, PRBool aCaseSensitive);
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1998-12-11 05:50:01 +03:00
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~nsAttrSelector(void);
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2006-04-26 01:48:11 +04:00
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/** Do a deep clone. Should be used only on the first in the linked list. */
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nsAttrSelector* Clone() const { return Clone(PR_TRUE); }
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1998-12-11 05:50:01 +03:00
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2009-05-13 12:26:48 +04:00
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nsString mValue;
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nsAttrSelector* mNext;
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2009-09-29 10:07:45 +04:00
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nsCOMPtr<nsIAtom> mLowercaseAttr;
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nsCOMPtr<nsIAtom> mCasedAttr;
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2009-05-13 12:26:48 +04:00
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PRInt32 mNameSpace;
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1998-12-11 05:50:01 +03:00
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PRUint8 mFunction;
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2009-09-29 10:07:45 +04:00
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PRPackedBool mCaseSensitive; // If we are in an HTML document,
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// is the value case sensitive?
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2006-04-26 01:48:11 +04:00
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private:
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nsAttrSelector* Clone(PRBool aDeep) const;
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// These are not supported and are not implemented!
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nsAttrSelector(const nsAttrSelector& aCopy);
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nsAttrSelector& operator=(const nsAttrSelector& aCopy);
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1998-12-11 05:50:01 +03:00
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};
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1998-04-14 00:24:54 +04:00
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struct nsCSSSelector {
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public:
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1998-12-11 05:50:01 +03:00
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nsCSSSelector(void);
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~nsCSSSelector(void);
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1998-04-14 00:24:54 +04:00
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2006-04-26 01:48:11 +04:00
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/** Do a deep clone. Should be used only on the first in the linked list. */
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2006-04-28 22:02:53 +04:00
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nsCSSSelector* Clone() const { return Clone(PR_TRUE, PR_TRUE); }
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1998-04-14 00:24:54 +04:00
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1998-12-11 05:50:01 +03:00
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void Reset(void);
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void SetNameSpace(PRInt32 aNameSpace);
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2009-09-29 10:07:45 +04:00
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void SetTag(const nsString& aTag);
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2001-02-13 17:06:29 +03:00
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void AddID(const nsString& aID);
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1998-12-11 05:50:01 +03:00
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void AddClass(const nsString& aClass);
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2011-03-23 16:52:25 +03:00
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void AddPseudoClass(nsCSSPseudoClasses::Type aType);
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void AddPseudoClass(nsCSSPseudoClasses::Type aType, const PRUnichar* aString);
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void AddPseudoClass(nsCSSPseudoClasses::Type aType, const PRInt32* aIntPair);
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2010-04-24 06:59:47 +04:00
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// takes ownership of aSelectorList
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2011-03-23 16:52:25 +03:00
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void AddPseudoClass(nsCSSPseudoClasses::Type aType,
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2010-04-24 06:59:47 +04:00
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nsCSSSelectorList* aSelectorList);
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1999-06-10 09:30:36 +04:00
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void AddAttribute(PRInt32 aNameSpace, const nsString& aAttr);
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void AddAttribute(PRInt32 aNameSpace, const nsString& aAttr, PRUint8 aFunc,
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const nsString& aValue, PRBool aCaseSensitive);
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1998-12-11 05:50:01 +03:00
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void SetOperator(PRUnichar aOperator);
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1998-04-14 00:24:54 +04:00
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2009-08-01 19:53:40 +04:00
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inline PRBool HasTagSelector() const {
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return !!mCasedTag;
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}
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inline PRBool IsPseudoElement() const {
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return mLowercaseTag && !mCasedTag;
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}
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2009-01-17 06:44:21 +03:00
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// Calculate the specificity of this selector (not including its mNext!).
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PRInt32 CalcWeight() const;
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2000-03-31 11:08:36 +04:00
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2010-05-12 00:41:47 +04:00
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void ToString(nsAString& aString, nsCSSStyleSheet* aSheet,
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2005-02-03 21:31:24 +03:00
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PRBool aAppend = PR_FALSE) const;
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2001-03-20 14:49:20 +03:00
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private:
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2008-06-03 07:17:35 +04:00
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void AddPseudoClassInternal(nsPseudoClassList *aPseudoClass);
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2006-04-28 22:02:53 +04:00
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nsCSSSelector* Clone(PRBool aDeepNext, PRBool aDeepNegations) const;
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2001-03-20 14:49:20 +03:00
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2009-02-20 00:55:48 +03:00
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void AppendToStringWithoutCombinators(nsAString& aString,
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2010-05-12 00:41:47 +04:00
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nsCSSStyleSheet* aSheet) const;
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2009-02-20 00:55:48 +03:00
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void AppendToStringWithoutCombinatorsOrNegations(nsAString& aString,
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2010-05-12 00:41:47 +04:00
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nsCSSStyleSheet* aSheet,
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2009-02-20 00:55:48 +03:00
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PRBool aIsNegated)
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const;
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2008-11-12 06:36:20 +03:00
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// Returns true if this selector can have a namespace specified (which
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// happens if and only if the default namespace would apply to this
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// selector).
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PRBool CanBeNamespaced(PRBool aIsNegated) const;
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2009-01-17 06:44:21 +03:00
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// Calculate the specificity of this selector (not including its mNext
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// or its mNegations).
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PRInt32 CalcWeightWithoutNegations() const;
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2000-03-31 11:08:36 +04:00
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1998-04-14 00:24:54 +04:00
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public:
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2009-12-11 10:37:40 +03:00
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// Get and set the selector's pseudo type
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nsCSSPseudoElements::Type PseudoType() const {
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return static_cast<nsCSSPseudoElements::Type>(mPseudoType);
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}
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void SetPseudoType(nsCSSPseudoElements::Type aType) {
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NS_ASSERTION(aType > PR_INT16_MIN && aType < PR_INT16_MAX, "Out of bounds");
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mPseudoType = static_cast<PRInt16>(aType);
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}
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2009-08-01 19:53:40 +04:00
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// For case-sensitive documents, mLowercaseTag is the same as mCasedTag,
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// but in case-insensitive documents (HTML) mLowercaseTag is lowercase.
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// Also, for pseudo-elements mCasedTag will be null but mLowercaseTag
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// contains their name.
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nsCOMPtr<nsIAtom> mLowercaseTag;
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nsCOMPtr<nsIAtom> mCasedTag;
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2001-02-13 17:06:29 +03:00
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nsAtomList* mIDList;
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1998-12-11 05:50:01 +03:00
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nsAtomList* mClassList;
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2008-06-03 07:17:35 +04:00
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nsPseudoClassList* mPseudoClassList; // atom for the pseudo, string for
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// the argument to functional pseudos
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1998-12-11 05:50:01 +03:00
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nsAttrSelector* mAttrList;
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2001-03-20 14:49:20 +03:00
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nsCSSSelector* mNegations;
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1998-04-14 00:24:54 +04:00
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nsCSSSelector* mNext;
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2009-05-13 12:26:48 +04:00
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PRInt32 mNameSpace;
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PRUnichar mOperator;
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2009-12-11 10:37:40 +03:00
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private:
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// PRInt16 to make sure it packs well with mOperator
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PRInt16 mPseudoType;
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2006-04-26 01:48:11 +04:00
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// These are not supported and are not implemented!
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nsCSSSelector(const nsCSSSelector& aCopy);
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nsCSSSelector& operator=(const nsCSSSelector& aCopy);
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1998-04-14 00:24:54 +04:00
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};
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2003-06-15 03:50:54 +04:00
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/**
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* A selector list is the unit of selectors that each style rule has.
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* For example, "P B, H1 B { ... }" would be a selector list with two
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* items (where each |nsCSSSelectorList| object's |mSelectors| has
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* an |mNext| for the P or H1). We represent them as linked lists.
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*/
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struct nsCSSSelectorList {
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nsCSSSelectorList(void);
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~nsCSSSelectorList(void);
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/**
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2010-03-31 22:08:09 +04:00
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* Create a new selector and push it onto the beginning of |mSelectors|,
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* setting its |mNext| to the current value of |mSelectors|. If there is an
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* earlier selector, set its |mOperator| to |aOperator|; else |aOperator|
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* must be PRUnichar(0).
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* Returns the new selector.
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* The list owns the new selector.
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2003-06-15 03:50:54 +04:00
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* The caller is responsible for updating |mWeight|.
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*/
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2010-03-31 22:08:09 +04:00
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nsCSSSelector* AddSelector(PRUnichar aOperator);
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2003-06-15 03:50:54 +04:00
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/**
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* Should be used only on the first in the list
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*/
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2010-05-12 00:41:47 +04:00
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void ToString(nsAString& aResult, nsCSSStyleSheet* aSheet);
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2003-06-15 03:50:54 +04:00
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/**
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* Do a deep clone. Should be used only on the first in the list.
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*/
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2006-04-26 01:48:11 +04:00
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nsCSSSelectorList* Clone() const { return Clone(PR_TRUE); }
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2003-06-15 03:50:54 +04:00
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nsCSSSelector* mSelectors;
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PRInt32 mWeight;
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nsCSSSelectorList* mNext;
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2006-04-26 01:48:11 +04:00
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private:
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nsCSSSelectorList* Clone(PRBool aDeep) const;
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// These are not supported and are not implemented!
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nsCSSSelectorList(const nsCSSSelectorList& aCopy);
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nsCSSSelectorList& operator=(const nsCSSSelectorList& aCopy);
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2003-06-15 03:50:54 +04:00
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};
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2001-03-20 14:49:20 +03:00
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2011-03-11 05:48:57 +03:00
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// 464bab7a-2fce-4f30-ab44-b7a5f3aae57d
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#define NS_CSS_STYLE_RULE_IMPL_CID \
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{ 0x464bab7a, 0x2fce, 0x4f30, \
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{ 0xab, 0x44, 0xb7, 0xa5, 0xf3, 0xaa, 0xe5, 0x7d } }
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namespace mozilla {
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namespace css {
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1998-04-14 00:24:54 +04:00
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2011-03-11 05:48:57 +03:00
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class Declaration;
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class DOMCSSStyleRule;
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2011-05-24 00:45:44 +04:00
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class StyleRule;
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class ImportantRule : public nsIStyleRule {
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public:
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ImportantRule(Declaration *aDeclaration);
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NS_DECL_ISUPPORTS
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// nsIStyleRule interface
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virtual void MapRuleInfoInto(nsRuleData* aRuleData);
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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#endif
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protected:
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virtual ~ImportantRule();
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// Not an owning reference; the StyleRule that owns this
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// ImportantRule also owns the mDeclaration, and any rule node
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// pointing to this rule keeps that StyleRule alive as well.
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Declaration* mDeclaration;
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friend class StyleRule;
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};
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2011-03-07 06:59:03 +03:00
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class NS_FINAL_CLASS StyleRule : public Rule
|
2011-03-29 07:21:20 +04:00
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{
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2011-03-11 05:48:57 +03:00
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public:
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StyleRule(nsCSSSelectorList* aSelector,
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Declaration *aDeclaration);
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private:
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// for |Clone|
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StyleRule(const StyleRule& aCopy);
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// for |DeclarationChanged|
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StyleRule(StyleRule& aCopy,
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Declaration *aDeclaration);
|
1998-04-14 00:24:54 +04:00
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public:
|
2011-03-11 05:48:57 +03:00
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_CSS_STYLE_RULE_IMPL_CID)
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|
2011-03-18 08:18:08 +03:00
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NS_DECL_ISUPPORTS_INHERITED
|
1998-12-18 06:43:29 +03:00
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2003-06-15 03:50:54 +04:00
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// null for style attribute
|
2011-03-11 05:50:12 +03:00
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nsCSSSelectorList* Selector() { return mSelector; }
|
1998-04-14 00:24:54 +04:00
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|
2011-03-11 05:50:12 +03:00
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PRUint32 GetLineNumber() const { return mLineNumber; }
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void SetLineNumber(PRUint32 aLineNumber) { mLineNumber = aLineNumber; }
|
2001-01-22 07:03:48 +03:00
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|
2011-03-11 05:50:12 +03:00
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Declaration* GetDeclaration() const { return mDeclaration; }
|
2003-06-18 05:59:57 +04:00
|
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/**
|
2010-07-23 22:00:47 +04:00
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|
|
* Return a new |nsIStyleRule| instance that replaces the current
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|
|
* one, with |aDecl| replacing the previous declaration. Due to the
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|
* |nsIStyleRule| contract of immutability, this must be called if
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* the declaration is modified.
|
2003-06-18 05:59:57 +04:00
|
|
|
*
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|
|
* |DeclarationChanged| handles replacing the object in the container
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|
|
* sheet or group rule if |aHandleContainer| is true.
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|
*/
|
2011-03-11 05:50:12 +03:00
|
|
|
already_AddRefed<StyleRule>
|
2011-03-11 05:48:57 +03:00
|
|
|
DeclarationChanged(Declaration* aDecl, PRBool aHandleContainer);
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|
2011-05-24 00:45:44 +04:00
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|
|
nsIStyleRule* GetImportantRule() const { return mImportantRule; }
|
1998-04-14 00:24:54 +04:00
|
|
|
|
2009-12-11 19:13:19 +03:00
|
|
|
/**
|
|
|
|
* The rule processor must call this method before calling
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|
|
|
* nsRuleWalker::Forward on this rule during rule matching.
|
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|
|
*/
|
2011-03-11 05:50:12 +03:00
|
|
|
void RuleMatched();
|
2009-12-11 19:13:19 +03:00
|
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|
2003-06-24 09:40:37 +04:00
|
|
|
// hooks for DOM rule
|
2011-03-11 05:50:20 +03:00
|
|
|
void GetCssText(nsAString& aCssText);
|
|
|
|
void SetCssText(const nsAString& aCssText);
|
|
|
|
void GetSelectorText(nsAString& aSelectorText);
|
|
|
|
void SetSelectorText(const nsAString& aSelectorText);
|
2011-03-11 05:48:57 +03:00
|
|
|
|
|
|
|
virtual PRInt32 GetType() const;
|
|
|
|
|
2011-04-08 05:23:46 +04:00
|
|
|
virtual already_AddRefed<Rule> Clone() const;
|
2011-03-11 05:48:57 +03:00
|
|
|
|
2011-04-08 10:36:09 +04:00
|
|
|
virtual nsIDOMCSSRule* GetDOMRule();
|
2011-03-11 05:48:57 +03:00
|
|
|
|
|
|
|
// The new mapping function.
|
|
|
|
virtual void MapRuleInfoInto(nsRuleData* aRuleData);
|
|
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
|
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
private:
|
|
|
|
// This is not supported and not implemented!
|
|
|
|
StyleRule& operator=(const StyleRule& aCopy);
|
|
|
|
|
|
|
|
private:
|
|
|
|
~StyleRule();
|
|
|
|
|
|
|
|
private:
|
|
|
|
nsCSSSelectorList* mSelector; // null for style attribute
|
|
|
|
Declaration* mDeclaration;
|
|
|
|
ImportantRule* mImportantRule; // initialized by RuleMatched
|
|
|
|
DOMCSSStyleRule* mDOMRule;
|
|
|
|
// Keep the same type so that MSVC packs them.
|
|
|
|
PRUint32 mLineNumber : 31;
|
|
|
|
PRUint32 mWasMatched : 1;
|
1998-04-14 00:24:54 +04:00
|
|
|
};
|
|
|
|
|
2011-03-11 05:48:57 +03:00
|
|
|
} // namespace css
|
|
|
|
} // namespace mozilla
|
|
|
|
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(mozilla::css::StyleRule, NS_CSS_STYLE_RULE_IMPL_CID)
|
2005-11-11 17:36:26 +03:00
|
|
|
|
2011-03-11 05:48:57 +03:00
|
|
|
#endif /* mozilla_css_StyleRule_h__ */
|