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33bb32f549
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-o -iname "*.h" \
-o -iname "*.c" \
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}
convert MOZ_OVERRIDE override
convert MOZ_FINAL final
119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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#include "mozilla/Attributes.h"
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#include "mozilla/MemoryReporting.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 final : 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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// Do not return null.
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void* operator new(size_t size, uint32_t aAttrCount = 1) CPP_THROW_NEW;
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nsMappedAttributes* Clone(bool aWillAddAttr);
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NS_DECL_ISUPPORTS
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void SetAndTakeAttr(nsIAtom* aAttrName, nsAttrValue& aValue);
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const nsAttrValue* GetAttr(nsIAtom* aAttrName) const;
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const nsAttrValue* GetAttr(const nsAString& aAttrName) const;
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uint32_t Count() const
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{
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return mAttrCount;
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}
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bool Equals(const nsMappedAttributes* aAttributes) const;
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uint32_t HashValue() const;
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void DropStyleSheetReference()
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{
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mSheet = nullptr;
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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(uint32_t 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(uint32_t 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(uint32_t aPos, nsAttrValue& aValue);
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const nsAttrName* GetExistingAttrNameFromQName(const nsAString& aName) const;
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int32_t IndexOfAttr(nsIAtom* aLocalName) const;
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// nsIStyleRule
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virtual void MapRuleInfoInto(nsRuleData* aRuleData) override;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
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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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uint16_t mAttrCount;
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#ifdef DEBUG
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uint16_t 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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