Mozilla/mozilla/content/base/src/nsMappedAttributes.h
sicking%bigfoot.com 2d7b04ac1f More bug 195350 work: Make html use new nsAttrAndChildArray class.
r=caillon sr=jst


git-svn-id: svn://10.0.0.236/trunk@151849 18797224-902f-48f8-a5cc-f745e15eee43
2004-01-26 19:22:05 +00:00

126 lines
3.8 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004
* IBM Corporation. All Rights Reserved.
*
* Contributor(s):
* IBM Corporation
*
* 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 ***** */
#ifndef nsMappedAttributes_h___
#define nsMappedAttributes_h___
#include "nsAttrAndChildArray.h"
#include "nsIHTMLContent.h"
#include "nsIStyleRule.h"
class nsIAtom;
class nsIHTMLStyleSheet;
class nsRuleWalker;
class nsMappedAttributes : public nsIStyleRule
{
public:
nsMappedAttributes(nsIHTMLStyleSheet* aSheet,
nsMapRuleToAttributesFunc aMapRuleFunc);
nsMappedAttributes(const nsMappedAttributes& aCopy);
NS_DECL_ISUPPORTS
nsresult SetAndTakeAttr(nsIAtom* aAttrName, nsAttrValue& aValue);
nsresult GetAttribute(nsIAtom* aAttrName, nsHTMLValue& aValue) const;
const nsAttrValue* GetAttr(nsIAtom* aAttrName) const;
PRUint32 Count() const
{
return mAttrCount;
}
PRBool Equals(const nsMappedAttributes* aAttributes) const;
PRUint32 HashValue() const;
void AddUse();
void ReleaseUse();
void DropStyleSheetReference()
{
mSheet = nsnull;
}
void SetStyleSheet(nsIHTMLStyleSheet* aSheet);
nsIHTMLStyleSheet* GetStyleSheet()
{
return mSheet;
}
const nsAttrName* NameAt(PRUint32 aPos) const
{
NS_ASSERTION(aPos < mAttrCount, "out-of-bounds");
return &mAttrs[aPos].mName;
}
const nsAttrValue* AttrAt(PRUint32 aPos) const
{
NS_ASSERTION(aPos < mAttrCount, "out-of-bounds");
return &mAttrs[aPos].mValue;
}
void RemoveAttrAt(PRUint32 aPos);
const nsAttrName* GetExistingAttrNameFromQName(const nsACString& aName) const;
PRInt32 IndexOfAttr(nsIAtom* aLocalName, PRInt32 aNamespaceID) const;
// nsIStyleRule
NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
#ifdef DEBUG
NS_METHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
private:
~nsMappedAttributes();
PRBool EnsureBufferSize(PRUint32 aSize);
struct InternalAttr
{
nsAttrName mName;
nsAttrValue mValue;
};
PRUint16 mAttrCount;
PRUint16 mBufferSize;
PRUint32 mUseCount;
nsIHTMLStyleSheet* mSheet; //weak
nsMapRuleToAttributesFunc mRuleMapper;
InternalAttr* mAttrs;
};
#endif /* nsMappedAttributes_h___ */