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https://gitlab.winehq.org/wine/wine-gecko.git
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00d9a2b835
(transplanted from 9a7be1835b530c72a46069a5c3951b80b16804a3) --HG-- extra : transplant_source : %9A%7B%E1%83%5BS%0Cr%A4%60i%A5%C3%95%1B%80%B1h%04%A3
147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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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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*
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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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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* IBM Corporation. All Rights Reserved.
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*
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* Contributor(s):
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* IBM Corporation
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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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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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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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* use your version of this file under the terms of the MPL, indicate your
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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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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* A unique per-element set of attributes that is used as an
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* nsIStyleRule; used to implement presentational attributes.
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*/
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#ifndef nsMappedAttributes_h___
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#define nsMappedAttributes_h___
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#include "nsAttrAndChildArray.h"
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#include "nsMappedAttributeElement.h"
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#include "nsIStyleRule.h"
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class nsIAtom;
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class nsHTMLStyleSheet;
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class nsRuleWalker;
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class nsMappedAttributes : public nsIStyleRule
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{
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public:
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nsMappedAttributes(nsHTMLStyleSheet* aSheet,
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nsMapRuleToAttributesFunc aMapRuleFunc);
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void* operator new(size_t size, PRUint32 aAttrCount = 1) CPP_THROW_NEW;
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nsMappedAttributes* Clone(PRBool aWillAddAttr);
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NS_DECL_ISUPPORTS
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nsresult SetAndTakeAttr(nsIAtom* aAttrName, nsAttrValue& aValue);
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const nsAttrValue* GetAttr(nsIAtom* aAttrName) const;
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PRUint32 Count() const
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{
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return mAttrCount;
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}
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PRBool Equals(const nsMappedAttributes* aAttributes) const;
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PRUint32 HashValue() const;
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void DropStyleSheetReference()
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{
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mSheet = nsnull;
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}
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void SetStyleSheet(nsHTMLStyleSheet* aSheet);
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nsHTMLStyleSheet* GetStyleSheet()
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{
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return mSheet;
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}
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const nsAttrName* NameAt(PRUint32 aPos) const
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{
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NS_ASSERTION(aPos < mAttrCount, "out-of-bounds");
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return &Attrs()[aPos].mName;
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}
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const nsAttrValue* AttrAt(PRUint32 aPos) const
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{
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NS_ASSERTION(aPos < mAttrCount, "out-of-bounds");
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return &Attrs()[aPos].mValue;
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}
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// Remove the attr at position aPos. The value of the attr is placed in
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// aValue; any value that was already in aValue is destroyed.
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void RemoveAttrAt(PRUint32 aPos, nsAttrValue& aValue);
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const nsAttrName* GetExistingAttrNameFromQName(const nsAString& aName) const;
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PRInt32 IndexOfAttr(nsIAtom* aLocalName, PRInt32 aNamespaceID) const;
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// nsIStyleRule
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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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private:
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nsMappedAttributes(const nsMappedAttributes& aCopy);
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~nsMappedAttributes();
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struct InternalAttr
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{
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nsAttrName mName;
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nsAttrValue mValue;
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};
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/**
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* Due to a compiler bug in VisualAge C++ for AIX, we need to return the
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* address of the first index into mAttrs here, instead of simply
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* returning mAttrs itself.
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*
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* See Bug 231104 for more information.
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*/
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const InternalAttr* Attrs() const
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{
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return reinterpret_cast<const InternalAttr*>(&(mAttrs[0]));
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}
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InternalAttr* Attrs()
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{
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return reinterpret_cast<InternalAttr*>(&(mAttrs[0]));
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}
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PRUint16 mAttrCount;
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#ifdef DEBUG
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PRUint16 mBufferSize;
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#endif
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nsHTMLStyleSheet* mSheet; //weak
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nsMapRuleToAttributesFunc mRuleMapper;
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void* mAttrs[1];
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};
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#endif /* nsMappedAttributes_h___ */
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