dom/script/ScriptCompression.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef js_loader_ScriptCompression_h
   8 #define js_loader_ScriptCompression_h
   9
  10 #include "ErrorList.h"
  11 #include "mozilla/Vector.h"
  12
  13 namespace JS::loader {
  14
  15 class ScriptLoadRequest;
  16
  17 /**
  18  * Compress the bytecode stored in a buffer. All data before the bytecode is
  19  * copied into the output buffer without modification.
  20  *
  21  * @param aBytecodeBuf buffer containing the uncompressed bytecode
  22  * @param aBytecodeOffset offset of the bytecode in the buffer
  23  * @param aCompressedBytecodeBufOut buffer to store the compressed bytecode in
  24  */
  25 bool ScriptBytecodeCompress(
  26     mozilla::Vector<uint8_t>& aBytecodeBuf, size_t aBytecodeOffset,
  27     mozilla::Vector<uint8_t>& aCompressedBytecodeBufOut);
  28
  29 /**
  30  * Uncompress the bytecode stored in a buffer. All data before the bytecode is
  31  * copied into the output buffer without modification.
  32  *
  33  * @param aCompressedBytecodeBuf buffer containing the compressed bytecode
  34  * @param aBytecodeOffset offset of the bytecode in the buffer
  35  * @param aBytecodeBufOut buffer to store the uncompressed bytecode in
  36  */
  37 bool ScriptBytecodeDecompress(mozilla::Vector<uint8_t>& aCompressedBytecodeBuf,
  38                               size_t aBytecodeOffset,
  39                               mozilla::Vector<uint8_t>& aBytecodeBufOut);
  40
  41 }  // namespace JS::loader
  42
  43 #endif  // js_loader_ScriptCompression_h