content/base/src/nsMappedAttributes.h@deefc01c0e14 (annotated)
content/base/src/nsMappedAttributes.h
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * A unique per-element set of attributes that is used as an |
| michael@0 | 8 | * nsIStyleRule; used to implement presentational attributes. |
| michael@0 | 9 | */ |
| michael@0 | 10 | |
| michael@0 | 11 | #ifndef nsMappedAttributes_h___ |
| michael@0 | 12 | #define nsMappedAttributes_h___ |
| michael@0 | 13 | |
| michael@0 | 14 | #include "nsAttrAndChildArray.h" |
| michael@0 | 15 | #include "nsMappedAttributeElement.h" |
| michael@0 | 16 | #include "nsIStyleRule.h" |
| michael@0 | 17 | #include "mozilla/Attributes.h" |
| michael@0 | 18 | #include "mozilla/MemoryReporting.h" |
| michael@0 | 19 | |
| michael@0 | 20 | class nsIAtom; |
| michael@0 | 21 | class nsHTMLStyleSheet; |
| michael@0 | 22 | class nsRuleWalker; |
| michael@0 | 23 | |
| michael@0 | 24 | class nsMappedAttributes MOZ_FINAL : public nsIStyleRule |
| michael@0 | 25 | { |
| michael@0 | 26 | public: |
| michael@0 | 27 | nsMappedAttributes(nsHTMLStyleSheet* aSheet, |
| michael@0 | 28 | nsMapRuleToAttributesFunc aMapRuleFunc); |
| michael@0 | 29 | |
| michael@0 | 30 | // Do not return null. |
| michael@0 | 31 | void* operator new(size_t size, uint32_t aAttrCount = 1) CPP_THROW_NEW; |
| michael@0 | 32 | nsMappedAttributes* Clone(bool aWillAddAttr); |
| michael@0 | 33 | |
| michael@0 | 34 | NS_DECL_ISUPPORTS |
| michael@0 | 35 | |
| michael@0 | 36 | void SetAndTakeAttr(nsIAtom* aAttrName, nsAttrValue& aValue); |
| michael@0 | 37 | const nsAttrValue* GetAttr(nsIAtom* aAttrName) const; |
| michael@0 | 38 | const nsAttrValue* GetAttr(const nsAString& aAttrName) const; |
| michael@0 | 39 | |
| michael@0 | 40 | uint32_t Count() const |
| michael@0 | 41 | { |
| michael@0 | 42 | return mAttrCount; |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | bool Equals(const nsMappedAttributes* aAttributes) const; |
| michael@0 | 46 | uint32_t HashValue() const; |
| michael@0 | 47 | |
| michael@0 | 48 | void DropStyleSheetReference() |
| michael@0 | 49 | { |
| michael@0 | 50 | mSheet = nullptr; |
| michael@0 | 51 | } |
| michael@0 | 52 | void SetStyleSheet(nsHTMLStyleSheet* aSheet); |
| michael@0 | 53 | nsHTMLStyleSheet* GetStyleSheet() |
| michael@0 | 54 | { |
| michael@0 | 55 | return mSheet; |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | const nsAttrName* NameAt(uint32_t aPos) const |
| michael@0 | 59 | { |
| michael@0 | 60 | NS_ASSERTION(aPos < mAttrCount, "out-of-bounds"); |
| michael@0 | 61 | return &Attrs()[aPos].mName; |
| michael@0 | 62 | } |
| michael@0 | 63 | const nsAttrValue* AttrAt(uint32_t aPos) const |
| michael@0 | 64 | { |
| michael@0 | 65 | NS_ASSERTION(aPos < mAttrCount, "out-of-bounds"); |
| michael@0 | 66 | return &Attrs()[aPos].mValue; |
| michael@0 | 67 | } |
| michael@0 | 68 | // Remove the attr at position aPos. The value of the attr is placed in |
| michael@0 | 69 | // aValue; any value that was already in aValue is destroyed. |
| michael@0 | 70 | void RemoveAttrAt(uint32_t aPos, nsAttrValue& aValue); |
| michael@0 | 71 | const nsAttrName* GetExistingAttrNameFromQName(const nsAString& aName) const; |
| michael@0 | 72 | int32_t IndexOfAttr(nsIAtom* aLocalName) const; |
| michael@0 | 73 | |
| michael@0 | 74 | |
| michael@0 | 75 | // nsIStyleRule |
| michael@0 | 76 | virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE; |
| michael@0 | 77 | #ifdef DEBUG |
| michael@0 | 78 | virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE; |
| michael@0 | 79 | #endif |
| michael@0 | 80 | |
| michael@0 | 81 | size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const; |
| michael@0 | 82 | |
| michael@0 | 83 | private: |
| michael@0 | 84 | nsMappedAttributes(const nsMappedAttributes& aCopy); |
| michael@0 | 85 | ~nsMappedAttributes(); |
| michael@0 | 86 | |
| michael@0 | 87 | struct InternalAttr |
| michael@0 | 88 | { |
| michael@0 | 89 | nsAttrName mName; |
| michael@0 | 90 | nsAttrValue mValue; |
| michael@0 | 91 | }; |
| michael@0 | 92 | |
| michael@0 | 93 | /** |
| michael@0 | 94 | * Due to a compiler bug in VisualAge C++ for AIX, we need to return the |
| michael@0 | 95 | * address of the first index into mAttrs here, instead of simply |
| michael@0 | 96 | * returning mAttrs itself. |
| michael@0 | 97 | * |
| michael@0 | 98 | * See Bug 231104 for more information. |
| michael@0 | 99 | */ |
| michael@0 | 100 | const InternalAttr* Attrs() const |
| michael@0 | 101 | { |
| michael@0 | 102 | return reinterpret_cast<const InternalAttr*>(&(mAttrs[0])); |
| michael@0 | 103 | } |
| michael@0 | 104 | InternalAttr* Attrs() |
| michael@0 | 105 | { |
| michael@0 | 106 | return reinterpret_cast<InternalAttr*>(&(mAttrs[0])); |
| michael@0 | 107 | } |
| michael@0 | 108 | |
| michael@0 | 109 | uint16_t mAttrCount; |
| michael@0 | 110 | #ifdef DEBUG |
| michael@0 | 111 | uint16_t mBufferSize; |
| michael@0 | 112 | #endif |
| michael@0 | 113 | nsHTMLStyleSheet* mSheet; //weak |
| michael@0 | 114 | nsMapRuleToAttributesFunc mRuleMapper; |
| michael@0 | 115 | void* mAttrs[1]; |
| michael@0 | 116 | }; |
| michael@0 | 117 | |
| michael@0 | 118 | #endif /* nsMappedAttributes_h___ */ |
