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- /* -*- 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 mozilla.org code.
- *
- * 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):
- * Daniel Glazman <glazman@netscape.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of 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 ***** */
- #ifndef nsICSSStyleRule_h___
- #define nsICSSStyleRule_h___
-
- //#include <stdio.h>
- #include "nsICSSRule.h"
- #include "nsString.h"
- #include "nsCOMPtr.h"
- #include "nsCSSProps.h"
- #include "nsCSSValue.h"
- #include "nsIAtom.h"
-
- class nsIAtom;
- class nsCSSDeclaration;
- class nsICSSStyleSheet;
-
- struct nsAtomList {
- public:
- nsAtomList(nsIAtom* aAtom);
- nsAtomList(const nsString& aAtomValue);
- nsAtomList(const nsAtomList& aCopy);
- ~nsAtomList(void);
- PRBool Equals(const nsAtomList* aOther) const;
-
- nsCOMPtr<nsIAtom> mAtom;
- nsAtomList* mNext;
- };
-
- struct nsAtomStringList {
- public:
- nsAtomStringList(nsIAtom* aAtom, const PRUnichar *aString = nsnull);
- nsAtomStringList(const nsString& aAtomValue, const PRUnichar *aString = nsnull);
- nsAtomStringList(const nsAtomStringList& aCopy);
- ~nsAtomStringList(void);
- PRBool Equals(const nsAtomStringList* aOther) const;
-
- nsCOMPtr<nsIAtom> mAtom;
- PRUnichar* mString;
- nsAtomStringList* mNext;
- };
-
- #define NS_ATTR_FUNC_SET 0 // [attr]
- #define NS_ATTR_FUNC_EQUALS 1 // [attr=value]
- #define NS_ATTR_FUNC_INCLUDES 2 // [attr~=value] (space separated)
- #define NS_ATTR_FUNC_DASHMATCH 3 // [attr|=value] ('-' truncated)
- #define NS_ATTR_FUNC_BEGINSMATCH 4 // [attr^=value] (begins with)
- #define NS_ATTR_FUNC_ENDSMATCH 5 // [attr$=value] (ends with)
- #define NS_ATTR_FUNC_CONTAINSMATCH 6 // [attr*=value] (contains substring)
-
- struct nsAttrSelector {
- public:
- nsAttrSelector(PRInt32 aNameSpace, const nsString& aAttr);
- nsAttrSelector(PRInt32 aNameSpace, const nsString& aAttr, PRUint8 aFunction,
- const nsString& aValue, PRBool aCaseSensitive);
- nsAttrSelector(const nsAttrSelector& aCopy);
- ~nsAttrSelector(void);
- PRBool Equals(const nsAttrSelector* aOther) const;
-
- PRInt32 mNameSpace;
- nsIAtom* mAttr;
- PRUint8 mFunction;
- PRPackedBool mCaseSensitive;
- nsString mValue;
- nsAttrSelector* mNext;
- };
-
- struct nsCSSSelector {
- public:
- nsCSSSelector(void);
- nsCSSSelector(const nsCSSSelector& aCopy);
- ~nsCSSSelector(void);
-
- nsCSSSelector& operator=(const nsCSSSelector& aCopy);
- PRBool Equals(const nsCSSSelector* aOther) const;
-
- void Reset(void);
- void SetNameSpace(PRInt32 aNameSpace);
- void SetTag(const nsString& aTag);
- void AddID(const nsString& aID);
- void AddClass(const nsString& aClass);
- void AddPseudoClass(const nsString& aPseudoClass, const PRUnichar* aString = nsnull);
- void AddPseudoClass(nsIAtom* aPseudoClass, const PRUnichar* aString = nsnull);
- void AddAttribute(PRInt32 aNameSpace, const nsString& aAttr);
- void AddAttribute(PRInt32 aNameSpace, const nsString& aAttr, PRUint8 aFunc,
- const nsString& aValue, PRBool aCaseSensitive);
- void SetOperator(PRUnichar aOperator);
-
- PRInt32 CalcWeight(void) const;
-
- void ToString(nsAString& aString, nsICSSStyleSheet* aSheet,
- PRBool aAppend = PR_FALSE) const;
-
- private:
-
- void AppendNegationToString(nsAString& aString);
- void ToStringInternal(nsAString& aString, nsICSSStyleSheet* aSheet,
- PRBool aIsPseudoElem,
- PRIntn aNegatedIndex) const;
-
- public:
- PRInt32 mNameSpace;
- nsCOMPtr<nsIAtom> mTag;
- nsAtomList* mIDList;
- nsAtomList* mClassList;
- nsAtomStringList* mPseudoClassList; // atom for the pseudo, string for
- // the argument to functional pseudos
- nsAttrSelector* mAttrList;
- PRUnichar mOperator;
- nsCSSSelector* mNegations;
-
- nsCSSSelector* mNext;
- };
-
- /**
- * A selector list is the unit of selectors that each style rule has.
- * For example, "P B, H1 B { ... }" would be a selector list with two
- * items (where each |nsCSSSelectorList| object's |mSelectors| has
- * an |mNext| for the P or H1). We represent them as linked lists.
- */
- struct nsCSSSelectorList {
- nsCSSSelectorList(void);
- ~nsCSSSelectorList(void);
-
- /**
- * Push a copy of |aSelector| on to the beginning of |mSelectors|,
- * setting its |mNext| to the current value of |mSelectors|.
- *
- * The caller is responsible for updating |mWeight|.
- */
- void AddSelector(const nsCSSSelector& aSelector);
-
- /**
- * Should be used only on the first in the list
- */
- void ToString(nsAString& aResult, nsICSSStyleSheet* aSheet);
-
- /**
- * Do a deep clone. Should be used only on the first in the list.
- */
- nsCSSSelectorList* Clone();
-
- nsCSSSelector* mSelectors;
- PRInt32 mWeight;
- nsCSSSelectorList* mNext;
- };
-
- // IID for the nsICSSStyleRule interface {00803ccc-66e8-4ec8-a037-45e901bb5304}
- #define NS_ICSS_STYLE_RULE_IID \
- {0x00803ccc, 0x66e8, 0x4ec8, {0xa0, 0x37, 0x45, 0xe9, 0x01, 0xbb, 0x53, 0x04}}
-
- class nsICSSStyleRule : public nsICSSRule {
- public:
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICSS_STYLE_RULE_IID)
-
- // null for style attribute
- virtual nsCSSSelectorList* Selector(void) = 0;
-
- virtual PRUint32 GetLineNumber(void) const = 0;
- virtual void SetLineNumber(PRUint32 aLineNumber) = 0;
-
- virtual nsCSSDeclaration* GetDeclaration(void) const = 0;
-
- /**
- * Return a new |nsIStyleRule| instance that replaces the current one,
- * due to a change in the |nsCSSDeclaration|. Due to the
- * |nsIStyleRule| contract of immutability, this must be called if the
- * declaration is modified.
- *
- * |DeclarationChanged| handles replacing the object in the container
- * sheet or group rule if |aHandleContainer| is true.
- */
- virtual already_AddRefed<nsICSSStyleRule>
- DeclarationChanged(PRBool aHandleContainer) = 0;
-
- virtual already_AddRefed<nsIStyleRule> GetImportantRule(void) = 0;
-
- // hooks for DOM rule
- virtual nsresult GetCssText(nsAString& aCssText) = 0;
- virtual nsresult SetCssText(const nsAString& aCssText) = 0;
- virtual nsresult GetParentStyleSheet(nsICSSStyleSheet** aSheet) = 0;
- virtual nsresult GetParentRule(nsICSSGroupRule** aParentRule) = 0;
- virtual nsresult GetSelectorText(nsAString& aSelectorText) = 0;
- virtual nsresult SetSelectorText(const nsAString& aSelectorText) = 0;
- };
-
- nsresult
- NS_NewCSSStyleRule(nsICSSStyleRule** aInstancePtrResult,
- nsCSSSelectorList* aSelector,
- nsCSSDeclaration* aDeclaration);
-
- #endif /* nsICSSStyleRule_h___ */
-