RLBoxWOFF2Host.h - mozsearch

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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 MODULES_WOFF2_RLBOXWOFF2_HOST_H_

#define MODULES_WOFF2_RLBOXWOFF2_HOST_H_

#include "RLBoxWOFF2Types.h"

// Load general firefox configuration of RLBox

#include "mozilla/rlbox/rlbox_config.h"

#ifdef MOZ_WASM_SANDBOXING_WOFF2

// Include the generated header file so that we are able to resolve the symbols

// in the wasm binary

#  include "rlbox.wasm.h"

#  define RLBOX_USE_STATIC_CALLS() rlbox_wasm2c_sandbox_lookup_symbol

#  include "mozilla/rlbox/rlbox_wasm2c_sandbox.hpp"

#else

// Extra configuration for no-op sandbox

#  define RLBOX_USE_STATIC_CALLS() rlbox_noop_sandbox_lookup_symbol

#  include "mozilla/rlbox/rlbox_noop_sandbox.hpp"

#endif

#include "mozilla/rlbox/rlbox.hpp"

#include "woff2/RLBoxWOFF2Sandbox.h"

#include "./src/ots.h"

class RLBoxWOFF2SandboxData : public mozilla::RLBoxSandboxDataBase {

  friend class RLBoxWOFF2SandboxPool;

 public:

  RLBoxWOFF2SandboxData(uint64_t aSize,

                        mozilla::UniquePtr<rlbox_sandbox_woff2> aSandbox);

  ~RLBoxWOFF2SandboxData();

  rlbox_sandbox_woff2* Sandbox() const { return mSandbox.get(); }

 private:

  mozilla::UniquePtr<rlbox_sandbox_woff2> mSandbox;

  sandbox_callback_woff2<BrotliDecompressCallback*> mDecompressCallback;

};

using ProcessTTCFunc = bool(ots::FontFile* aHeader, ots::OTSStream* aOutput,

                            const uint8_t* aData, size_t aLength,

                            uint32_t aIndex);

using ProcessTTFFunc = bool(ots::FontFile* aHeader, ots::Font* aFont,

                            ots::OTSStream* aOutput, const uint8_t* aData,

                            size_t aLength, uint32_t aOffset);

bool RLBoxProcessWOFF2(ots::FontFile* aHeader, ots::OTSStream* aOutput,

                       const uint8_t* aData, size_t aLength, uint32_t aIndex,

                       ProcessTTCFunc* aProcessTTC,

                       ProcessTTFFunc* aProcessTTF);

#endif