gecko-dev/layout/style/nsICSSStyleRule.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsICSSStyleRule_h___
#define nsICSSStyleRule_h___
//#include <stdio.h>
#include "nsICSSRule.h"
#include "nsString.h"
#include "nsCSSProps.h"
#include "nsCSSValue.h"
class nsISizeOfHandler;
class nsIAtom;
class nsIArena;
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;
nsIAtom* mAtom;
nsAtomList* 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;
#ifdef DEBUG
void SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize);
#endif
PRInt32 mNameSpace;
nsIAtom* mAttr;
PRUint8 mFunction;
PRPackedBool mCaseSensitive;
nsString mValue;
nsAttrSelector* mNext;
};
// Right now, there are three operators:
// PRUnichar(0), the descendent combinator, is greedy
// '+' and '>', the adjacent sibling and child combinators, are not
#define NS_IS_GREEDY_OPERATOR(ch) ( ch == PRUnichar(0) )
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);
void AddPseudoClass(nsIAtom* aPseudoClass);
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;
#ifdef DEBUG
void SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize);
#endif
nsresult ToString( nsAString& aString, nsICSSStyleSheet* aSheet,
PRBool aIsPseudoElem, PRInt8 aNegatedIndex ) const;
private:
void AppendNegationToString(nsAString& aString);
public:
PRInt32 mNameSpace;
nsIAtom* mTag;
nsAtomList* mIDList;
nsAtomList* mClassList;
nsAtomList* mPseudoClassList;
nsAttrSelector* mAttrList;
PRUnichar mOperator;
nsCSSSelector* mNegations;
nsCSSSelector* mNext;
};
// IID for the nsICSSStyleRule interface {7c277af0-af19-11d1-8031-006008159b5a}
#define NS_ICSS_STYLE_RULE_IID \
{0x7c277af0, 0xaf19, 0x11d1, {0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
class nsICSSStyleRule : public nsICSSRule {
public:
static const nsIID& GetIID() { static nsIID iid = NS_ICSS_STYLE_RULE_IID; return iid; }
virtual nsCSSSelector* FirstSelector(void) = 0;
virtual void AddSelector(const nsCSSSelector& aSelector) = 0;
virtual void DeleteSelector(nsCSSSelector* aSelector) = 0;
virtual void SetSourceSelectorText(const nsString& aSelectorText) = 0;
virtual void GetSourceSelectorText(nsString& aSelectorText) const = 0;
virtual PRUint32 GetLineNumber(void) const = 0;
virtual void SetLineNumber(PRUint32 aLineNumber) = 0;
virtual nsCSSDeclaration* GetDeclaration(void) const = 0;
virtual void SetDeclaration(nsCSSDeclaration* aDeclaration) = 0;
virtual PRInt32 GetWeight(void) const = 0;
virtual void SetWeight(PRInt32 aWeight) = 0;
virtual nsIStyleRule* GetImportantRule(void) = 0;
// Hook for inspector.
virtual nsresult GetValue(nsCSSProperty aProperty, nsCSSValue& aValue) = 0;
};
extern NS_EXPORT nsresult
NS_NewCSSStyleRule(nsICSSStyleRule** aInstancePtrResult, const nsCSSSelector& aSelector);
#endif /* nsICSSStyleRule_h___ */