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registration: Update documentation and style

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This commit is contained in:
Zach Hilman
2018-08-11 15:39:09 -04:00
parent 22bdddd6f0
commit 893447b6b0
5 changed files with 69 additions and 42 deletions
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63
src/core/file_sys/nca_metadata.cpp
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@ -4,36 +4,44 @@
#include <cstring>
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "common/swap.h"
#include "content_archive.h"
#include "core/file_sys/nca_metadata.h"
namespace FileSys {
CNMT::CNMT(VirtualFile file) : header(std::make_unique<CNMTHeader>()) {
if (file->ReadObject(header.get()) != sizeof(CNMTHeader))
bool operator>=(TitleType lhs, TitleType rhs) {
return static_cast<size_t>(lhs) >= static_cast<size_t>(rhs);
}
bool operator<=(TitleType lhs, TitleType rhs) {
return static_cast<size_t>(lhs) <= static_cast<size_t>(rhs);
}
CNMT::CNMT(VirtualFile file) {
if (file->ReadObject(&header) != sizeof(CNMTHeader))
return;
// If type is {Application, Update, AOC} has opt-header.
if (static_cast<u8>(header->type) >= 0x80 && static_cast<u8>(header->type) <= 0x82) {
opt_header = std::make_unique<OptionalHeader>();
if (file->ReadObject(opt_header.get(), sizeof(CNMTHeader)) != sizeof(OptionalHeader)) {
opt_header = nullptr;
if (header.type >= TitleType::Application && header.type <= TitleType::AOC) {
if (file->ReadObject(&opt_header, sizeof(CNMTHeader)) != sizeof(OptionalHeader)) {
LOG_WARNING(Loader, "Failed to read optional header.");
}
}
for (u16 i = 0; i < header->number_content_entries; ++i) {
for (u16 i = 0; i < header.number_content_entries; ++i) {
auto& next = content_records.emplace_back(ContentRecord{});
if (file->ReadObject(&next, sizeof(CNMTHeader) + i * sizeof(ContentRecord) +
header->table_offset) != sizeof(ContentRecord)) {
header.table_offset) != sizeof(ContentRecord)) {
content_records.erase(content_records.end() - 1);
}
}
for (u16 i = 0; i < header->number_meta_entries; ++i) {
for (u16 i = 0; i < header.number_meta_entries; ++i) {
auto& next = meta_records.emplace_back(MetaRecord{});
if (file->ReadObject(&next, sizeof(CNMTHeader) + i * sizeof(MetaRecord) +
header->table_offset) != sizeof(MetaRecord)) {
header.table_offset) != sizeof(MetaRecord)) {
meta_records.erase(meta_records.end() - 1);
}
}
@ -41,20 +49,19 @@ CNMT::CNMT(VirtualFile file) : header(std::make_unique<CNMTHeader>()) {
CNMT::CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
std::vector<MetaRecord> meta_records)
: header(std::make_unique<CNMTHeader>(std::move(header))),
opt_header(std::make_unique<OptionalHeader>(std::move(opt_header))),
: header(std::move(header)), opt_header(std::move(opt_header)),
content_records(std::move(content_records)), meta_records(std::move(meta_records)) {}
u64 CNMT::GetTitleID() const {
return header->title_id;
return header.title_id;
}
u32 CNMT::GetTitleVersion() const {
return header->title_version;
return header.title_version;
}
TitleType CNMT::GetType() const {
return header->type;
return header.type;
}
const std::vector<ContentRecord>& CNMT::GetContentRecords() const {
@ -74,7 +81,7 @@ bool CNMT::UnionRecords(const CNMT& other) {
});
if (iter == content_records.end()) {
content_records.emplace_back(rec);
++header->number_content_entries;
++header.number_content_entries;
change = true;
}
}
@ -86,7 +93,7 @@ bool CNMT::UnionRecords(const CNMT& other) {
});
if (iter == meta_records.end()) {
meta_records.emplace_back(rec);
++header->number_meta_entries;
++header.number_meta_entries;
change = true;
}
}
@ -94,30 +101,30 @@ bool CNMT::UnionRecords(const CNMT& other) {
}
std::vector<u8> CNMT::Serialize() const {
if (header == nullptr)
return {};
std::vector<u8> out(sizeof(CNMTHeader));
out.reserve(0x100); // Avoid resizing -- average size.
memcpy(out.data(), header.get(), sizeof(CNMTHeader));
if (opt_header != nullptr) {
out.resize(out.size() + sizeof(OptionalHeader));
memcpy(out.data() + sizeof(CNMTHeader), opt_header.get(), sizeof(OptionalHeader));
const bool has_opt_header =
header.type >= TitleType::Application && header.type <= TitleType::AOC;
std::vector<u8> out(sizeof(CNMTHeader) + (has_opt_header ? sizeof(OptionalHeader) : 0));
memcpy(out.data(), &header, sizeof(CNMTHeader));
// Optional Header
if (has_opt_header) {
memcpy(out.data() + sizeof(CNMTHeader), &opt_header, sizeof(OptionalHeader));
}
auto offset = header->table_offset;
auto offset = header.table_offset;
const auto dead_zone = offset + sizeof(CNMTHeader) - out.size();
if (dead_zone > 0)
out.resize(offset + sizeof(CNMTHeader));
out.resize(out.size() + content_records.size() * sizeof(ContentRecord));
for (const auto& rec : content_records) {
out.resize(out.size() + sizeof(ContentRecord));
memcpy(out.data() + offset + sizeof(CNMTHeader), &rec, sizeof(ContentRecord));
offset += sizeof(ContentRecord);
}
out.resize(out.size() + content_records.size() * sizeof(MetaRecord));
for (const auto& rec : meta_records) {
out.resize(out.size() + sizeof(MetaRecord));
memcpy(out.data() + offset + sizeof(CNMTHeader), &rec, sizeof(MetaRecord));
offset += sizeof(MetaRecord);
}