chromium/components/zucchini/patch_reader.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/zucchini/patch_reader.h"

#include <type_traits>
#include <utility>

#include "base/numerics/safe_conversions.h"
#include "components/zucchini/algorithm.h"
#include "components/zucchini/crc32.h"
#include "components/zucchini/element_detection.h"
#include "components/zucchini/version_info.h"

namespace zucchini {

namespace patch {

bool ParseElementMatch(BufferSource* source, ElementMatch* element_match) { … }

bool ParseBuffer(BufferSource* source, BufferSource* buffer) { … }

}  // namespace patch

/******** EquivalenceSource ********/

EquivalenceSource::EquivalenceSource() = default;
EquivalenceSource::EquivalenceSource(const EquivalenceSource&) = default;
EquivalenceSource::~EquivalenceSource() = default;

bool EquivalenceSource::Initialize(BufferSource* source) { … }

std::optional<Equivalence> EquivalenceSource::GetNext() { … }

/******** ExtraDataSource ********/

ExtraDataSource::ExtraDataSource() = default;
ExtraDataSource::ExtraDataSource(const ExtraDataSource&) = default;
ExtraDataSource::~ExtraDataSource() = default;

bool ExtraDataSource::Initialize(BufferSource* source) { … }

std::optional<ConstBufferView> ExtraDataSource::GetNext(offset_t size) { … }

/******** RawDeltaSource ********/

RawDeltaSource::RawDeltaSource() = default;
RawDeltaSource::RawDeltaSource(const RawDeltaSource&) = default;
RawDeltaSource::~RawDeltaSource() = default;

bool RawDeltaSource::Initialize(BufferSource* source) { … }

std::optional<RawDeltaUnit> RawDeltaSource::GetNext() { … }

/******** ReferenceDeltaSource ********/

ReferenceDeltaSource::ReferenceDeltaSource() = default;
ReferenceDeltaSource::ReferenceDeltaSource(const ReferenceDeltaSource&) =
    default;
ReferenceDeltaSource::~ReferenceDeltaSource() = default;

bool ReferenceDeltaSource::Initialize(BufferSource* source) { … }

std::optional<int32_t> ReferenceDeltaSource::GetNext() { … }

/******** TargetSource ********/

TargetSource::TargetSource() = default;
TargetSource::TargetSource(const TargetSource&) = default;
TargetSource::~TargetSource() = default;

bool TargetSource::Initialize(BufferSource* source) { … }

std::optional<offset_t> TargetSource::GetNext() { … }

/******** PatchElementReader ********/

PatchElementReader::PatchElementReader() = default;
PatchElementReader::PatchElementReader(PatchElementReader&&) = default;
PatchElementReader::~PatchElementReader() = default;

bool PatchElementReader::Initialize(BufferSource* source) { … }

bool PatchElementReader::ValidateEquivalencesAndExtraData() { … }

/******** EnsemblePatchReader ********/

std::optional<EnsemblePatchReader> EnsemblePatchReader::Create(
    ConstBufferView buffer) { … }

EnsemblePatchReader::EnsemblePatchReader() = default;
EnsemblePatchReader::EnsemblePatchReader(EnsemblePatchReader&&) = default;
EnsemblePatchReader::~EnsemblePatchReader() = default;

bool EnsemblePatchReader::Initialize(BufferSource* source) { … }

bool EnsemblePatchReader::CheckOldFile(ConstBufferView old_image) const { … }

bool EnsemblePatchReader::CheckNewFile(ConstBufferView new_image) const { … }

}  // namespace zucchini