mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
371 lines
15 KiB
C++
371 lines
15 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/ncm/ncm_content_meta_id.hpp>
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#include <stratosphere/ncm/ncm_content_meta_key.hpp>
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#include <stratosphere/ncm/ncm_content_info.hpp>
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#include <stratosphere/ncm/ncm_content_info_data.hpp>
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#include <stratosphere/ncm/ncm_firmware_variation.hpp>
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#include <stratosphere/ncm/ncm_storage_id.hpp>
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namespace ams::ncm {
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enum ContentMetaAttribute : u8 {
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ContentMetaAttribute_None = (0 << 0),
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ContentMetaAttribute_IncludesExFatDriver = (1 << 0),
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ContentMetaAttribute_Rebootless = (1 << 1),
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};
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struct ContentMetaInfo {
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u64 id;
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u32 version;
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ContentMetaType type;
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u8 attributes;
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u8 padding[2];
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static constexpr ContentMetaInfo Make(u64 id, u32 version, ContentMetaType type, u8 attributes) {
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return {
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.id = id,
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.version = version,
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.type = type,
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.attributes = attributes,
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};
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}
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constexpr ContentMetaKey ToKey() const {
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return ContentMetaKey::Make(this->id, this->version, this->type);
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}
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};
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static_assert(sizeof(ContentMetaInfo) == 0x10);
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struct ContentMetaHeader {
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u16 extended_header_size;
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u16 content_count;
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u16 content_meta_count;
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u8 attributes;
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StorageId storage_id;
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};
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static_assert(sizeof(ContentMetaHeader) == 0x8);
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struct PackagedContentMetaHeader {
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u64 id;
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u32 version;
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ContentMetaType type;
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u8 reserved_0D;
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u16 extended_header_size;
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u16 content_count;
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u16 content_meta_count;
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u8 attributes;
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u8 storage_id;
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ContentInstallType install_type;
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bool committed;
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u32 required_download_system_version;
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u8 reserved_1C[4];
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};
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static_assert(sizeof(PackagedContentMetaHeader) == 0x20);
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static_assert(OFFSETOF(PackagedContentMetaHeader, reserved_0D) == 0x0D);
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static_assert(OFFSETOF(PackagedContentMetaHeader, reserved_1C) == 0x1C);
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using InstallContentMetaHeader = PackagedContentMetaHeader;
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struct ApplicationMetaExtendedHeader {
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PatchId patch_id;
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u32 required_system_version;
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u32 required_application_version;
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};
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struct PatchMetaExtendedHeader {
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ApplicationId application_id;
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u32 required_system_version;
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u32 extended_data_size;
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u8 reserved[0x8];
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};
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struct AddOnContentMetaExtendedHeader {
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ApplicationId application_id;
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u32 required_application_version;
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u32 padding;
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};
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struct DeltaMetaExtendedHeader {
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ApplicationId application_id;
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u32 extended_data_size;
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u32 padding;
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};
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struct SystemUpdateMetaExtendedHeader {
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u32 extended_data_size;
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};
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template<typename ContentMetaHeaderType, typename ContentInfoType>
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class ContentMetaAccessor {
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public:
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using HeaderType = ContentMetaHeaderType;
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using InfoType = ContentInfoType;
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private:
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void *data;
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const size_t size;
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bool is_header_valid;
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private:
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static size_t GetExtendedHeaderSize(ContentMetaType type) {
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switch (type) {
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case ContentMetaType::Application: return sizeof(ApplicationMetaExtendedHeader);
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case ContentMetaType::Patch: return sizeof(PatchMetaExtendedHeader);
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case ContentMetaType::AddOnContent: return sizeof(AddOnContentMetaExtendedHeader);
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case ContentMetaType::Delta: return sizeof(DeltaMetaExtendedHeader);
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default: return 0;
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}
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}
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protected:
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constexpr ContentMetaAccessor(const void *d, size_t sz) : data(const_cast<void *>(d)), size(sz), is_header_valid(true) { /* ... */ }
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constexpr ContentMetaAccessor(void *d, size_t sz) : data(d), size(sz), is_header_valid(false) { /* ... */ }
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template<class NewHeaderType, class NewInfoType>
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static constexpr size_t CalculateSizeImpl(size_t ext_header_size, size_t content_count, size_t content_meta_count, size_t extended_data_size, bool has_digest) {
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return sizeof(NewHeaderType) + ext_header_size + content_count * sizeof(NewInfoType) + content_meta_count * sizeof(ContentMetaInfo) + extended_data_size + (has_digest ? sizeof(Digest) : 0);
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}
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static constexpr size_t CalculateSize(ContentMetaType type, size_t content_count, size_t content_meta_count, size_t extended_data_size, bool has_digest = false) {
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return CalculateSizeImpl<ContentMetaHeaderType, ContentInfoType>(GetExtendedHeaderSize(type), content_count, content_meta_count, extended_data_size, has_digest);
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}
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uintptr_t GetExtendedHeaderAddress() const {
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return reinterpret_cast<uintptr_t>(this->data) + sizeof(HeaderType);
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}
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uintptr_t GetContentInfoStartAddress() const {
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return this->GetExtendedHeaderAddress() + this->GetExtendedHeaderSize();
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}
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uintptr_t GetContentInfoAddress(size_t i) const {
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return this->GetContentInfoStartAddress() + i * sizeof(InfoType);
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}
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uintptr_t GetContentMetaInfoStartAddress() const {
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return this->GetContentInfoAddress(this->GetContentCount());
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}
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uintptr_t GetContentMetaInfoAddress(size_t i) const {
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return this->GetContentMetaInfoStartAddress() + i * sizeof(ContentMetaInfo);
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}
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uintptr_t GetExtendedDataAddress() const {
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return this->GetContentMetaInfoAddress(this->GetContentMetaCount());
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}
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uintptr_t GetDigestAddress() const {
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return this->GetExtendedDataAddress() + this->GetExtendedDataSize();
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}
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InfoType *GetWritableContentInfo(size_t i) const {
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AMS_ABORT_UNLESS(i < this->GetContentCount());
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return reinterpret_cast<InfoType *>(this->GetContentInfoAddress(i));
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}
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InfoType *GetWritableContentInfo(ContentType type) const {
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InfoType *found = nullptr;
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for (size_t i = 0; i < this->GetContentCount(); i++) {
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/* We want to find the info with the lowest id offset and the correct type. */
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InfoType *info = this->GetWritableContentInfo(i);
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if (info->GetType() == type && (found == nullptr || info->GetIdOffset() < found->GetIdOffset())) {
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found = info;
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}
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}
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return found;
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}
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InfoType *GetWritableContentInfo(ContentType type, u8 id_ofs) const {
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for (size_t i = 0; i < this->GetContentCount(); i++) {
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/* We want to find the info with the correct id offset and the correct type. */
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if (InfoType *info = this->GetWritableContentInfo(i); info->GetType() == type && info->GetIdOffset() == id_ofs) {
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return info;
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}
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}
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return nullptr;
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}
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s64 CalculateContentRequiredSize() const {
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s64 required_size = 0;
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for (size_t i = 0; i < this->GetContentCount(); i++) {
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required_size += CalculateRequiredSize(this->GetContentInfo(i)->info.GetSize());
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}
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return required_size;
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}
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void SetStorageId(StorageId storage_id) {
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this->GetWritableHeader()->storage_id = static_cast<u8>(storage_id);
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}
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public:
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const void *GetData() const {
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return this->data;
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}
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size_t GetSize() const {
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return this->size;
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}
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HeaderType *GetWritableHeader() const {
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AMS_ABORT_UNLESS(this->is_header_valid);
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return reinterpret_cast<HeaderType *>(this->data);
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}
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const HeaderType *GetHeader() const {
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AMS_ABORT_UNLESS(this->is_header_valid);
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return static_cast<const HeaderType *>(this->data);
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}
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ContentMetaKey GetKey() const {
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auto header = this->GetHeader();
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return ContentMetaKey::Make(header->id, header->version, header->type, header->install_type);
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}
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size_t GetExtendedHeaderSize() const {
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return this->GetHeader()->extended_header_size;
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}
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template<typename ExtendedHeaderType>
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const ExtendedHeaderType *GetExtendedHeader() const {
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return reinterpret_cast<const ExtendedHeaderType *>(this->GetExtendedHeaderAddress());
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}
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size_t GetContentCount() const {
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return this->GetHeader()->content_count;
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}
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const InfoType *GetContentInfo(size_t i) const {
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AMS_ABORT_UNLESS(i < this->GetContentCount());
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return this->GetWritableContentInfo(i);
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}
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const InfoType *GetContentInfo(ContentType type) const {
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return this->GetWritableContentInfo(type);
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}
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const InfoType *GetContentInfo(ContentType type, u8 id_ofs) const {
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return this->GetWritableContentInfo(type, id_ofs);
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}
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size_t GetContentMetaCount() const {
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return this->GetHeader()->content_meta_count;
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}
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const ContentMetaInfo *GetContentMetaInfo(size_t i) const {
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AMS_ABORT_UNLESS(i < this->GetContentMetaCount());
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return reinterpret_cast<const ContentMetaInfo *>(this->GetContentMetaInfoAddress(i));
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}
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size_t GetExtendedDataSize() const {
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switch (this->GetHeader()->type) {
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case ContentMetaType::Patch: return this->GetExtendedHeader<PatchMetaExtendedHeader>()->extended_data_size;
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case ContentMetaType::Delta: return this->GetExtendedHeader<DeltaMetaExtendedHeader>()->extended_data_size;
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case ContentMetaType::SystemUpdate: return this->GetExtendedHeaderSize() == 0 ? 0 : this->GetExtendedHeader<SystemUpdateMetaExtendedHeader>()->extended_data_size;
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default: return 0;
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}
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}
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const void *GetExtendedData() const {
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return reinterpret_cast<const void *>(this->GetExtendedDataAddress());
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}
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const Digest *GetDigest() const {
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return reinterpret_cast<Digest *>(this->GetDigestAddress());
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}
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bool HasContent(const ContentId &id) const {
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for (size_t i = 0; i < this->GetContentCount(); i++) {
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if (id == this->GetContentInfo(i)->GetId()) {
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return true;
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}
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}
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return false;
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}
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StorageId GetStorageId() const {
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return static_cast<StorageId>(this->GetHeader()->storage_id);
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}
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util::optional<ApplicationId> GetApplicationId(const ContentMetaKey &key) const {
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switch (key.type) {
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case ContentMetaType::Application: return ApplicationId{ key.id };
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case ContentMetaType::Patch: return this->GetExtendedHeader<PatchMetaExtendedHeader>()->application_id;
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case ContentMetaType::AddOnContent: return this->GetExtendedHeader<AddOnContentMetaExtendedHeader>()->application_id;
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case ContentMetaType::Delta: return this->GetExtendedHeader<DeltaMetaExtendedHeader>()->application_id;
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default: return util::nullopt;
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}
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}
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util::optional<ApplicationId> GetApplicationId() const {
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return this->GetApplicationId(this->GetKey());
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}
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};
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class ContentMetaReader : public ContentMetaAccessor<ContentMetaHeader, ContentInfo> {
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public:
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constexpr ContentMetaReader(const void *data, size_t size) : ContentMetaAccessor(data, size) { /* ... */ }
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using ContentMetaAccessor::CalculateSize;
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};
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class PackagedContentMetaReader : public ContentMetaAccessor<PackagedContentMetaHeader, PackagedContentInfo> {
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public:
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constexpr PackagedContentMetaReader(const void *data, size_t size) : ContentMetaAccessor(data, size) { /* ... */ }
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size_t CalculateConvertInstallContentMetaSize() const;
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void ConvertToInstallContentMeta(void *dst, size_t size, const InstallContentInfo &meta);
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size_t CalculateConvertContentMetaSize() const;
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void ConvertToContentMeta(void *dst, size_t size, const ContentInfo &meta);
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Result CalculateConvertFragmentOnlyInstallContentMetaSize(size_t *out_size, u32 source_version) const;
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Result ConvertToFragmentOnlyInstallContentMeta(void *dst, size_t size, const InstallContentInfo &content_info, u32 source_version);
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size_t CountDeltaFragments() const;
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static constexpr size_t CalculateSize(ContentMetaType type, size_t content_count, size_t content_meta_count, size_t extended_data_size) {
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return ContentMetaAccessor::CalculateSize(type, content_count, content_meta_count, extended_data_size, true);
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}
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};
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class InstallContentMetaReader : public ContentMetaAccessor<InstallContentMetaHeader, InstallContentInfo> {
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public:
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constexpr InstallContentMetaReader(const void *data, size_t size) : ContentMetaAccessor(data, size) { /* ... */ }
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using ContentMetaAccessor::CalculateSize;
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using ContentMetaAccessor::CalculateContentRequiredSize;
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using ContentMetaAccessor::GetStorageId;
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size_t CalculateConvertSize() const;
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void ConvertToContentMeta(void *dst, size_t size) const;
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};
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class InstallContentMetaWriter : public ContentMetaAccessor<InstallContentMetaHeader, InstallContentInfo> {
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public:
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InstallContentMetaWriter(const void *data, size_t size) : ContentMetaAccessor(data, size) { /* ... */ }
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using ContentMetaAccessor::CalculateSize;
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using ContentMetaAccessor::CalculateContentRequiredSize;
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using ContentMetaAccessor::GetWritableContentInfo;
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using ContentMetaAccessor::SetStorageId;
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};
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}
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