diff options
Diffstat (limited to 'dom/base/nsAttrValueOrString.h')
-rw-r--r-- | dom/base/nsAttrValueOrString.h | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/dom/base/nsAttrValueOrString.h b/dom/base/nsAttrValueOrString.h index df0dac17d..1a62a8428 100644 --- a/dom/base/nsAttrValueOrString.h +++ b/dom/base/nsAttrValueOrString.h @@ -49,20 +49,13 @@ public: , mCheapString(nullptr) { } - void TakeParsedValue(nsAttrValue& aValue) + void ResetToAttrValue(const nsAttrValue& aValue) { - mStoredAttrValue.SwapValueWith(aValue); - mAttrValue = &mStoredAttrValue; + mAttrValue = &aValue; mStringPtr = nullptr; + // No need to touch mCheapString here. If we need to use it, we will reset + // it to the rigthe value anyway. } - /** - * If TakeParsedValue has been called, returns the value that it set. - */ - nsAttrValue* GetStoredAttrValue() - { - return mAttrValue == &mStoredAttrValue ? &mStoredAttrValue : nullptr; - } - const nsAttrValue* GetAttrValue() { return mAttrValue; } /** * Returns a reference to the string value of the contents of this object. @@ -85,11 +78,24 @@ public: return aOther.EqualsAsStrings(*mAttrValue); } + /* + * Returns true if the value stored is empty + */ + bool IsEmpty() const + { + if (mStringPtr) { + return mStringPtr->IsEmpty(); + } + if (mAttrValue) { + return mAttrValue->IsEmptyString(); + } + return true; + } + protected: const nsAttrValue* mAttrValue; mutable const nsAString* mStringPtr; mutable nsCheapString mCheapString; - nsAttrValue mStoredAttrValue; }; #endif // nsAttrValueOrString_h___ |