diff options
Diffstat (limited to 'parser/html/nsHtml5OwningUTF16Buffer.h')
-rw-r--r-- | parser/html/nsHtml5OwningUTF16Buffer.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/parser/html/nsHtml5OwningUTF16Buffer.h b/parser/html/nsHtml5OwningUTF16Buffer.h new file mode 100644 index 0000000000..7cfdf74b9b --- /dev/null +++ b/parser/html/nsHtml5OwningUTF16Buffer.h @@ -0,0 +1,67 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsHtml5OwningUTF16Buffer_h +#define nsHtml5OwningUTF16Buffer_h + +#include "nsHtml5UTF16Buffer.h" +#include "mozilla/Span.h" + +class nsHtml5OwningUTF16Buffer : public nsHtml5UTF16Buffer { + private: + /** + * Passes a buffer and its length to the superclass constructor. + */ + explicit nsHtml5OwningUTF16Buffer(char16_t* aBuffer); + + public: + /** + * Constructor for a parser key placeholder. (No actual buffer.) + * @param aKey a parser key + */ + explicit nsHtml5OwningUTF16Buffer(void* aKey); + + protected: + /** + * Takes care of releasing the owned buffer. + */ + ~nsHtml5OwningUTF16Buffer(); + + public: + /** + * The next buffer in a queue. + */ + RefPtr<nsHtml5OwningUTF16Buffer> next; + + /** + * A parser key. + */ + void* key; + + static already_AddRefed<nsHtml5OwningUTF16Buffer> FalliblyCreate( + int32_t aLength); + + /** + * Swap start, end and buffer fields with another object. + */ + void Swap(nsHtml5OwningUTF16Buffer* aOther); + + /** + * Return a span from `end` to `aBufferSize`. + */ + mozilla::Span<char16_t> TailAsSpan(int32_t aBufferSize); + + /** + * Add the argument to `end`. + */ + void AdvanceEnd(int32_t aNumberOfCodeUnits); + + nsrefcnt AddRef(); + nsrefcnt Release(); + + private: + mozilla::ThreadSafeAutoRefCnt mRefCnt; +}; + +#endif // nsHtml5OwningUTF16Buffer_h |