From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/media/ByteWriter.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 dom/media/ByteWriter.h (limited to 'dom/media/ByteWriter.h') diff --git a/dom/media/ByteWriter.h b/dom/media/ByteWriter.h new file mode 100644 index 0000000000..cc7f5ecf3f --- /dev/null +++ b/dom/media/ByteWriter.h @@ -0,0 +1,61 @@ +/* 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 BYTE_WRITER_H_ +#define BYTE_WRITER_H_ + +#include "mozilla/EndianUtils.h" +#include "nsTArray.h" + +namespace mozilla { + +template +class ByteWriter { + public: + explicit ByteWriter(nsTArray& aData) : mPtr(aData) {} + ~ByteWriter() = default; + + [[nodiscard]] bool WriteU8(uint8_t aByte) { return Write(&aByte, 1); } + + [[nodiscard]] bool WriteU16(uint16_t aShort) { + uint8_t c[2]; + Endianess::writeUint16(&c[0], aShort); + return Write(&c[0], 2); + } + + [[nodiscard]] bool WriteU32(uint32_t aLong) { + uint8_t c[4]; + Endianess::writeUint32(&c[0], aLong); + return Write(&c[0], 4); + } + + [[nodiscard]] bool Write32(int32_t aLong) { + uint8_t c[4]; + Endianess::writeInt32(&c[0], aLong); + return Write(&c[0], 4); + } + + [[nodiscard]] bool WriteU64(uint64_t aLongLong) { + uint8_t c[8]; + Endianess::writeUint64(&c[0], aLongLong); + return Write(&c[0], 8); + } + + [[nodiscard]] bool Write64(int64_t aLongLong) { + uint8_t c[8]; + Endianess::writeInt64(&c[0], aLongLong); + return Write(&c[0], 8); + } + + [[nodiscard]] bool Write(const uint8_t* aSrc, size_t aCount) { + return mPtr.AppendElements(aSrc, aCount, mozilla::fallible); + } + + private: + nsTArray& mPtr; +}; + +} // namespace mozilla + +#endif -- cgit v1.2.3