75d3b3ee0d
do NOT build or release binaries of this version, it is not complete and there will be dragons.
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#include "yati/container/nsp.hpp"
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#include "defines.hpp"
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#include "log.hpp"
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#include <memory>
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namespace sphaira::yati::container {
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namespace {
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#define PFS0_MAGIC 0x30534650
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struct Pfs0Header {
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u32 magic;
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u32 total_files;
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u32 string_table_size;
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u32 padding;
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};
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struct Pfs0FileTableEntry {
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u64 data_offset;
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u64 data_size;
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u32 name_offset;
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u32 padding;
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};
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} // namespace
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Result Nsp::GetCollections(Collections& out) {
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u64 bytes_read;
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s64 off = 0;
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// get header
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Pfs0Header header{};
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R_TRY(m_source->Read(std::addressof(header), off, sizeof(header), std::addressof(bytes_read)));
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R_UNLESS(header.magic == PFS0_MAGIC, 0x1);
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off += bytes_read;
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// get file table
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std::vector<Pfs0FileTableEntry> file_table(header.total_files);
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R_TRY(m_source->Read(file_table.data(), off, file_table.size() * sizeof(Pfs0FileTableEntry), std::addressof(bytes_read)))
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off += bytes_read;
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// get string table
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std::vector<char> string_table(header.string_table_size);
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R_TRY(m_source->Read(string_table.data(), off, string_table.size(), std::addressof(bytes_read)))
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off += bytes_read;
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out.reserve(header.total_files);
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for (u32 i = 0; i < header.total_files; i++) {
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CollectionEntry entry;
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entry.name = string_table.data() + file_table[i].name_offset;
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entry.offset = off + file_table[i].data_offset;
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entry.size = file_table[i].data_size;
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out.emplace_back(entry);
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}
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R_SUCCEED();
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}
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} // namespace sphaira::yati::container
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