gfx/ots/RLBoxWOFF2Host.h

   1 /* -*- Mode: C++; tab-width: 20; 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 MODULES_WOFF2_RLBOXWOFF2_HOST_H_
   8 #define MODULES_WOFF2_RLBOXWOFF2_HOST_H_
   9
  10 #include "RLBoxWOFF2Types.h"
  11
  12 // Load general firefox configuration of RLBox
  13 #include "mozilla/rlbox/rlbox_config.h"
  14
  15 #ifdef MOZ_WASM_SANDBOXING_WOFF2
  16 // Include the generated header file so that we are able to resolve the symbols
  17 // in the wasm binary
  18 #  include "rlbox.wasm.h"
  19 #  define RLBOX_USE_STATIC_CALLS() rlbox_wasm2c_sandbox_lookup_symbol
  20 #  include "mozilla/rlbox/rlbox_wasm2c_sandbox.hpp"
  21 #else
  22 // Extra configuration for no-op sandbox
  23 #  define RLBOX_USE_STATIC_CALLS() rlbox_noop_sandbox_lookup_symbol
  24 #  include "mozilla/rlbox/rlbox_noop_sandbox.hpp"
  25 #endif
  26
  27 #include "mozilla/rlbox/rlbox.hpp"
  28
  29 #include "woff2/RLBoxWOFF2Sandbox.h"
  30 #include "./src/ots.h"
  31
  32 class RLBoxWOFF2SandboxData : public mozilla::RLBoxSandboxDataBase {
  33   friend class RLBoxWOFF2SandboxPool;
  34
  35  public:
  36   RLBoxWOFF2SandboxData(uint64_t aSize,
  37                         mozilla::UniquePtr<rlbox_sandbox_woff2> aSandbox);
  38   ~RLBoxWOFF2SandboxData();
  39
  40   rlbox_sandbox_woff2* Sandbox() const { return mSandbox.get(); }
  41
  42  private:
  43   mozilla::UniquePtr<rlbox_sandbox_woff2> mSandbox;
  44   sandbox_callback_woff2<BrotliDecompressCallback*> mDecompressCallback;
  45 };
  46
  47 using ProcessTTCFunc = bool(ots::FontFile* aHeader, ots::OTSStream* aOutput,
  48                             const uint8_t* aData, size_t aLength,
  49                             uint32_t aIndex);
  50
  51 using ProcessTTFFunc = bool(ots::FontFile* aHeader, ots::Font* aFont,
  52                             ots::OTSStream* aOutput, const uint8_t* aData,
  53                             size_t aLength, uint32_t aOffset);
  54
  55 bool RLBoxProcessWOFF2(ots::FontFile* aHeader, ots::OTSStream* aOutput,
  56                        const uint8_t* aData, size_t aLength, uint32_t aIndex,
  57                        ProcessTTCFunc* aProcessTTC,
  58                        ProcessTTFFunc* aProcessTTF);
  59 #endif