mirror of
https://github.com/RetroDECK/Duckstation.git
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IsoReader: Add GetEntriesInDirectory()
This commit is contained in:
Stenzek
parent
325dcc81ca
commit
5442242c64
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@ -96,8 +96,8 @@ static std::optional<ExtendedSaveStateInfo> InternalGetExtendedSaveStateInfo(Byt
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static bool LoadEXE(const char* filename);
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static std::string GetExecutableNameForImage(ISOReader& iso, bool strip_subdirectories);
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static bool ReadExecutableFromImage(ISOReader& iso, std::string* out_executable_name,
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static std::string GetExecutableNameForImage(IsoReader& iso, bool strip_subdirectories);
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static bool ReadExecutableFromImage(IsoReader& iso, std::string* out_executable_name,
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std::vector<u8>* out_executable_data);
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static bool LoadBIOS(const std::string& override_bios_path);
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@ -561,7 +561,7 @@ std::string System::GetGameHashId(GameHash hash)
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bool System::GetGameDetailsFromImage(CDImage* cdi, std::string* out_id, GameHash* out_hash)
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{
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ISOReader iso;
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IsoReader iso;
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if (!iso.Open(cdi, 1))
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{
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if (out_id)
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@ -589,7 +589,7 @@ bool System::GetGameDetailsFromImage(CDImage* cdi, std::string* out_id, GameHash
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XXH64_reset(state, 0x4242D00C);
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XXH64_update(state, exe_name.c_str(), exe_name.size());
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XXH64_update(state, exe_buffer.data(), exe_buffer.size());
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XXH64_update(state, &iso.GetPVD(), sizeof(ISOReader::ISOPrimaryVolumeDescriptor));
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XXH64_update(state, &iso.GetPVD(), sizeof(IsoReader::ISOPrimaryVolumeDescriptor));
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XXH64_update(state, &track_1_length, sizeof(track_1_length));
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const GameHash hash = XXH64_digest(state);
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XXH64_freeState(state);
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@ -636,7 +636,7 @@ bool System::GetGameDetailsFromImage(CDImage* cdi, std::string* out_id, GameHash
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return true;
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}
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std::string System::GetExecutableNameForImage(ISOReader& iso, bool strip_subdirectories)
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std::string System::GetExecutableNameForImage(IsoReader& iso, bool strip_subdirectories)
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{
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// Read SYSTEM.CNF
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std::vector<u8> system_cnf_data;
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@ -728,7 +728,7 @@ std::string System::GetExecutableNameForImage(ISOReader& iso, bool strip_subdire
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std::string System::GetExecutableNameForImage(CDImage* cdi, bool strip_subdirectories)
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{
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ISOReader iso;
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IsoReader iso;
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if (!iso.Open(cdi, 1))
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return {};
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@ -738,14 +738,14 @@ std::string System::GetExecutableNameForImage(CDImage* cdi, bool strip_subdirect
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bool System::ReadExecutableFromImage(CDImage* cdi, std::string* out_executable_name,
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std::vector<u8>* out_executable_data)
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{
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ISOReader iso;
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IsoReader iso;
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if (!iso.Open(cdi, 1))
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return false;
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return ReadExecutableFromImage(iso, out_executable_name, out_executable_data);
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}
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bool System::ReadExecutableFromImage(ISOReader& iso, std::string* out_executable_name,
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bool System::ReadExecutableFromImage(IsoReader& iso, std::string* out_executable_name,
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std::vector<u8>* out_executable_data)
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{
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const std::string executable_path = GetExecutableNameForImage(iso, false);
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@ -815,7 +815,7 @@ DiscRegion System::GetRegionForImage(CDImage* cdi)
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if (system_area_region != DiscRegion::Other)
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return system_area_region;
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ISOReader iso;
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IsoReader iso;
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if (!iso.Open(cdi, 1))
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return DiscRegion::NonPS1;
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@ -1,207 +1,235 @@
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// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-FileCopyrightText: 2019-2023 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
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#include "iso_reader.h"
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#include "cd_image.h"
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#include "common/error.h"
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#include "common/log.h"
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#include "common/string_util.h"
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#include "fmt/format.h"
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#include <cctype>
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Log_SetChannel(ISOReader);
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static bool FilenamesEqual(const char* a, const char* b, u32 length)
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{
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u32 pos = 0;
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for (; pos < length && *a != '\0' && *b != '\0'; pos++)
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{
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if (std::tolower(*(a++)) != std::tolower(*(b++)))
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return false;
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}
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Log_SetChannel(IsoReader);
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return true;
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}
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IsoReader::IsoReader() = default;
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ISOReader::ISOReader() = default;
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IsoReader::~IsoReader() = default;
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ISOReader::~ISOReader() = default;
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std::string_view IsoReader::RemoveVersionIdentifierFromPath(const std::string_view& path)
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{
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const std::string_view::size_type pos = path.find(';');
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return (pos != std::string_view::npos) ? path.substr(0, pos) : path;
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}
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bool ISOReader::Open(CDImage* image, u32 track_number)
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bool IsoReader::Open(CDImage* image, u32 track_number, Error* error)
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{
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m_image = image;
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m_track_number = track_number;
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if (!ReadPVD())
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if (!ReadPVD(error))
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return false;
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return true;
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}
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bool ISOReader::ReadPVD()
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bool IsoReader::ReadSector(u8* buf, u32 lsn, Error* error)
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{
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// volume descriptor start at sector 16
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if (!m_image->Seek(m_track_number, 16))
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if (!m_image->Seek(m_track_number, lsn))
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{
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Error::SetString(error, fmt::format("Failed to seek to LSN #{}", lsn));
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return false;
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}
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if (m_image->Read(CDImage::ReadMode::DataOnly, 1, buf) != 1)
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{
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Error::SetString(error, fmt::format("Failed to read LSN #{}", lsn));
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return false;
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}
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return true;
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}
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bool IsoReader::ReadPVD(Error* error)
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{
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// volume descriptor start at sector 16
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static constexpr u32 START_SECTOR = 16;
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// try only a maximum of 256 volume descriptors
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for (u32 i = 0; i < 256; i++)
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{
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u8 buffer[SECTOR_SIZE];
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if (m_image->Read(CDImage::ReadMode::DataOnly, 1, buffer) != 1)
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if (!ReadSector(buffer, START_SECTOR + i, error))
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return false;
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const ISOVolumeDescriptorHeader* header = reinterpret_cast<ISOVolumeDescriptorHeader*>(buffer);
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if (header->type_code != 1)
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if (std::memcmp(header->standard_identifier, "CD001", 5) != 0)
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continue;
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else if (header->type_code != 1)
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continue;
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else if (header->type_code == 255)
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break;
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std::memcpy(&m_pvd, buffer, sizeof(ISOPrimaryVolumeDescriptor));
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Log_DebugPrintf("PVD found at index %u", i);
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Log_DevFmt("ISOReader: PVD found at index {}", i);
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return true;
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}
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Log_ErrorPrint("PVD not found");
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Error::SetString(error, "Failed to find the Primary Volume Descriptor.");
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return false;
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}
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std::optional<ISOReader::ISODirectoryEntry> ISOReader::LocateFile(const char* path)
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std::optional<IsoReader::ISODirectoryEntry> IsoReader::LocateFile(const std::string_view& path, Error* error)
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{
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u8 sector_buffer[SECTOR_SIZE];
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const ISODirectoryEntry* root_de = reinterpret_cast<const ISODirectoryEntry*>(m_pvd.root_directory_entry);
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if (*path == '\0' || std::strcmp(path, "/") == 0)
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if (path.empty() || path == "/" || path == "\\")
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{
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// locating the root directory
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return *root_de;
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}
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// start at the root directory
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return LocateFile(path, sector_buffer, root_de->location_le, root_de->length_le);
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u8 sector_buffer[SECTOR_SIZE];
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return LocateFile(path, sector_buffer, root_de->location_le, root_de->length_le, error);
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}
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std::optional<ISOReader::ISODirectoryEntry> ISOReader::LocateFile(const char* path, u8* sector_buffer,
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u32 directory_record_lba, u32 directory_record_size)
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std::string_view IsoReader::GetDirectoryEntryFileName(const u8* sector, u32 de_sector_offset)
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{
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const ISODirectoryEntry* de = reinterpret_cast<const ISODirectoryEntry*>(sector + de_sector_offset);
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if ((sizeof(ISODirectoryEntry) + de->filename_length) > de->entry_length ||
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(sizeof(ISODirectoryEntry) + de->filename_length + de_sector_offset) > SECTOR_SIZE)
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{
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return std::string_view();
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}
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const char* str = reinterpret_cast<const char*>(sector + de_sector_offset + sizeof(ISODirectoryEntry));
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if (de->filename_length == 1)
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{
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if (str[0] == '\0')
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return ".";
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else if (str[0] == '\1')
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return "..";
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}
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// Strip any version information like the PS2 BIOS does.
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u32 length_without_version = 0;
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for (; length_without_version < de->filename_length; length_without_version++)
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{
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if (str[length_without_version] == ';' || str[length_without_version] == '\0')
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break;
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}
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return std::string_view(str, length_without_version);
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}
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std::optional<IsoReader::ISODirectoryEntry> IsoReader::LocateFile(const std::string_view& path, u8* sector_buffer,
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u32 directory_record_lba, u32 directory_record_size,
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Error* error)
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{
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if (directory_record_size == 0)
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{
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Log_ErrorPrintf("Directory entry record size 0 while looking for '%s'", path);
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Error::SetString(error, fmt::format("Directory entry record size 0 while looking for '{}'", path));
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return std::nullopt;
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}
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// strip any leading slashes
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const char* path_component_start = path;
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while (*path_component_start == '/' || *path_component_start == '\\')
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size_t path_component_start = 0;
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while (path_component_start < path.length() &&
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(path[path_component_start] == '/' || path[path_component_start] == '\\'))
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{
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path_component_start++;
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}
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u32 path_component_length = 0;
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const char* path_component_end = path_component_start;
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while (*path_component_end != '\0' && *path_component_end != '/' && *path_component_end != '\\')
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size_t path_component_length = 0;
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while ((path_component_start + path_component_length) < path.length() &&
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path[path_component_start + path_component_length] != '/' &&
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path[path_component_start + path_component_length] != '\\')
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{
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path_component_length++;
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path_component_end++;
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}
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// start reading directory entries
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const u32 num_sectors = (directory_record_size + (SECTOR_SIZE - 1)) / SECTOR_SIZE;
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if (!m_image->Seek(m_track_number, directory_record_lba))
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const std::string_view path_component = path.substr(path_component_start, path_component_length);
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if (path_component.empty())
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{
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Log_ErrorPrintf("Seek to LBA %u failed", directory_record_lba);
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Error::SetString(error, fmt::format("Empty path component in {}", path));
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return std::nullopt;
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}
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// start reading directory entries
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const u32 num_sectors = (directory_record_size + (SECTOR_SIZE - 1)) / SECTOR_SIZE;
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for (u32 i = 0; i < num_sectors; i++)
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{
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if (m_image->Read(CDImage::ReadMode::DataOnly, 1, sector_buffer) != 1)
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{
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Log_ErrorPrintf("Failed to read LBA %u", directory_record_lba + i);
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if (!ReadSector(sector_buffer, directory_record_lba + i, error))
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return std::nullopt;
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}
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u32 sector_offset = 0;
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while ((sector_offset + sizeof(ISODirectoryEntry)) < SECTOR_SIZE)
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{
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const ISODirectoryEntry* de = reinterpret_cast<const ISODirectoryEntry*>(§or_buffer[sector_offset]);
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const char* de_filename =
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reinterpret_cast<const char*>(§or_buffer[sector_offset + sizeof(ISODirectoryEntry)]);
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if ((sector_offset + de->entry_length) > SECTOR_SIZE || de->filename_length > de->entry_length ||
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de->entry_length < sizeof(ISODirectoryEntry))
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{
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if (de->entry_length < sizeof(ISODirectoryEntry))
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break;
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}
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const std::string_view de_filename = GetDirectoryEntryFileName(sector_buffer, sector_offset);
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sector_offset += de->entry_length;
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// skip current/parent directory
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if (de->filename_length == 1 && (*de_filename == '\x0' || *de_filename == '\x1'))
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continue;
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// check filename length
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if (de->filename_length < path_component_length)
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// Empty file would be pretty strange..
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if (de_filename.empty() || de_filename == "." || de_filename == "..")
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continue;
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if (de->flags & ISODirectoryEntryFlag_Directory)
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{
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// directories don't have the version? so check the length instead
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if (de->filename_length != path_component_length ||
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!FilenamesEqual(de_filename, path_component_start, path_component_length))
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{
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continue;
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}
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}
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else
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if (de_filename.length() != path_component.length() ||
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StringUtil::Strncasecmp(de_filename.data(), path_component.data(), path_component.length()) != 0)
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{
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// compare filename
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if (!FilenamesEqual(de_filename, path_component_start, path_component_length) ||
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de_filename[path_component_length] != ';')
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{
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continue;
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}
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continue;
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}
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// found it. is this the file we're looking for?
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if (*path_component_end == '\0')
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if ((path_component_start + path_component_length) == path.length())
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return *de;
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// if it is a directory, recurse into it
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if (de->flags & ISODirectoryEntryFlag_Directory)
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return LocateFile(path_component_end, sector_buffer, de->location_le, de->length_le);
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{
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return LocateFile(path.substr(path_component_start + path_component_length), sector_buffer, de->location_le,
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de->length_le, error);
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}
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// we're looking for a directory but got a file
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Log_ErrorPrintf("Looking for directory but got file");
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Error::SetString(error, fmt::format("Looking for directory '{}' but got file", path_component));
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return std::nullopt;
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}
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}
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std::string temp(path_component_start, path_component_length);
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Log_ErrorPrintf("Path component '%s' not found", temp.c_str());
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Error::SetString(error, fmt::format("Path component '{}' not found", path_component));
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return std::nullopt;
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}
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std::vector<std::string> ISOReader::GetFilesInDirectory(const char* path)
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std::vector<std::string> IsoReader::GetFilesInDirectory(const std::string_view& path, Error* error)
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{
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std::string base_path = path;
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u32 directory_record_lba;
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std::string base_path(path);
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u32 directory_record_lsn;
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u32 directory_record_length;
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if (base_path.empty())
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{
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// root directory
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const ISODirectoryEntry* root_de = reinterpret_cast<const ISODirectoryEntry*>(m_pvd.root_directory_entry);
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directory_record_lba = root_de->location_le;
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directory_record_lsn = root_de->location_le;
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directory_record_length = root_de->length_le;
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}
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else
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{
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auto directory_de = LocateFile(base_path.c_str());
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if (!directory_de)
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{
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Log_ErrorPrintf("Directory entry not found for '%s'", path);
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auto directory_de = LocateFile(base_path, error);
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if (!directory_de.has_value())
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return {};
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}
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if ((directory_de->flags & ISODirectoryEntryFlag_Directory) == 0)
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{
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Log_ErrorPrintf("Path '%s' is not a directory, can't list", path);
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Error::SetString(error, fmt::format("Path '{}' is not a directory, can't list", path));
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return {};
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}
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directory_record_lba = directory_de->location_le;
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directory_record_lsn = directory_de->location_le;
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directory_record_length = directory_de->length_le;
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if (base_path[base_path.size() - 1] != '/')
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@ -210,92 +238,147 @@ std::vector<std::string> ISOReader::GetFilesInDirectory(const char* path)
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// start reading directory entries
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const u32 num_sectors = (directory_record_length + (SECTOR_SIZE - 1)) / SECTOR_SIZE;
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if (!m_image->Seek(m_track_number, directory_record_lba))
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{
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Log_ErrorPrintf("Seek to LBA %u failed", directory_record_lba);
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return {};
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}
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std::vector<std::string> files;
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u8 sector_buffer[SECTOR_SIZE];
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for (u32 i = 0; i < num_sectors; i++)
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{
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if (m_image->Read(CDImage::ReadMode::DataOnly, 1, sector_buffer) != 1)
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{
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Log_ErrorPrintf("Failed to read LBA %u", directory_record_lba + i);
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if (!ReadSector(sector_buffer, directory_record_lsn + i, error))
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break;
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}
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u32 sector_offset = 0;
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while ((sector_offset + sizeof(ISODirectoryEntry)) < SECTOR_SIZE)
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{
|
||||
const ISODirectoryEntry* de = reinterpret_cast<const ISODirectoryEntry*>(§or_buffer[sector_offset]);
|
||||
const char* de_filename =
|
||||
reinterpret_cast<const char*>(§or_buffer[sector_offset + sizeof(ISODirectoryEntry)]);
|
||||
if ((sector_offset + de->entry_length) > SECTOR_SIZE || de->filename_length > de->entry_length ||
|
||||
de->entry_length < sizeof(ISODirectoryEntry))
|
||||
{
|
||||
if (de->entry_length < sizeof(ISODirectoryEntry))
|
||||
break;
|
||||
}
|
||||
|
||||
const std::string_view de_filename = GetDirectoryEntryFileName(sector_buffer, sector_offset);
|
||||
sector_offset += de->entry_length;
|
||||
|
||||
// skip current/parent directory
|
||||
if (de->filename_length == 1 && (*de_filename == '\x0' || *de_filename == '\x1'))
|
||||
// Empty file would be pretty strange..
|
||||
if (de_filename.empty() || de_filename == "." || de_filename == "..")
|
||||
continue;
|
||||
|
||||
// strip off terminator/file version
|
||||
std::string filename(de_filename, de->filename_length);
|
||||
std::string::size_type pos = filename.rfind(';');
|
||||
if (pos == std::string::npos)
|
||||
{
|
||||
Log_ErrorPrintf("Invalid filename '%s'", filename.c_str());
|
||||
files.push_back(fmt::format("{}{}", base_path, de_filename));
|
||||
}
|
||||
}
|
||||
|
||||
return files;
|
||||
}
|
||||
|
||||
std::vector<std::pair<std::string, IsoReader::ISODirectoryEntry>>
|
||||
IsoReader::GetEntriesInDirectory(const std::string_view& path, Error* error /*= nullptr*/)
|
||||
{
|
||||
std::string base_path(path);
|
||||
u32 directory_record_lsn;
|
||||
u32 directory_record_length;
|
||||
if (base_path.empty())
|
||||
{
|
||||
// root directory
|
||||
const ISODirectoryEntry* root_de = reinterpret_cast<const ISODirectoryEntry*>(m_pvd.root_directory_entry);
|
||||
directory_record_lsn = root_de->location_le;
|
||||
directory_record_length = root_de->length_le;
|
||||
}
|
||||
else
|
||||
{
|
||||
auto directory_de = LocateFile(base_path, error);
|
||||
if (!directory_de.has_value())
|
||||
return {};
|
||||
|
||||
if ((directory_de->flags & ISODirectoryEntryFlag_Directory) == 0)
|
||||
{
|
||||
Error::SetString(error, fmt::format("Path '{}' is not a directory, can't list", path));
|
||||
return {};
|
||||
}
|
||||
|
||||
directory_record_lsn = directory_de->location_le;
|
||||
directory_record_length = directory_de->length_le;
|
||||
|
||||
if (base_path[base_path.size() - 1] != '/')
|
||||
base_path += '/';
|
||||
}
|
||||
|
||||
// start reading directory entries
|
||||
const u32 num_sectors = (directory_record_length + (SECTOR_SIZE - 1)) / SECTOR_SIZE;
|
||||
std::vector<std::pair<std::string, IsoReader::ISODirectoryEntry>> files;
|
||||
u8 sector_buffer[SECTOR_SIZE];
|
||||
for (u32 i = 0; i < num_sectors; i++)
|
||||
{
|
||||
if (!ReadSector(sector_buffer, directory_record_lsn + i, error))
|
||||
break;
|
||||
|
||||
u32 sector_offset = 0;
|
||||
while ((sector_offset + sizeof(ISODirectoryEntry)) < SECTOR_SIZE)
|
||||
{
|
||||
const ISODirectoryEntry* de = reinterpret_cast<const ISODirectoryEntry*>(§or_buffer[sector_offset]);
|
||||
if (de->entry_length < sizeof(ISODirectoryEntry))
|
||||
break;
|
||||
|
||||
const std::string_view de_filename = GetDirectoryEntryFileName(sector_buffer, sector_offset);
|
||||
sector_offset += de->entry_length;
|
||||
|
||||
// Empty file would be pretty strange..
|
||||
if (de_filename.empty() || de_filename == "." || de_filename == "..")
|
||||
continue;
|
||||
}
|
||||
filename.erase(pos);
|
||||
|
||||
if (!filename.empty())
|
||||
files.push_back(base_path + filename);
|
||||
files.emplace_back(fmt::format("{}{}", base_path, de_filename), *de);
|
||||
}
|
||||
}
|
||||
|
||||
return files;
|
||||
}
|
||||
|
||||
bool ISOReader::ReadFile(const char* path, std::vector<u8>* data)
|
||||
bool IsoReader::FileExists(const std::string_view& path, Error* error)
|
||||
{
|
||||
auto de = LocateFile(path);
|
||||
auto de = LocateFile(path, error);
|
||||
if (!de)
|
||||
{
|
||||
Log_ErrorPrintf("File not found: '%s'", path);
|
||||
return false;
|
||||
}
|
||||
if (de->flags & ISODirectoryEntryFlag_Directory)
|
||||
{
|
||||
Log_ErrorPrintf("File is a directory: '%s'", path);
|
||||
|
||||
return (de->flags & ISODirectoryEntryFlag_Directory) == 0;
|
||||
}
|
||||
|
||||
bool IsoReader::DirectoryExists(const std::string_view& path, Error* error)
|
||||
{
|
||||
auto de = LocateFile(path, error);
|
||||
if (!de)
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!m_image->Seek(m_track_number, de->location_le))
|
||||
return (de->flags & ISODirectoryEntryFlag_Directory) == ISODirectoryEntryFlag_Directory;
|
||||
}
|
||||
|
||||
bool IsoReader::ReadFile(const std::string_view& path, std::vector<u8>* data, Error* error)
|
||||
{
|
||||
auto de = LocateFile(path, error);
|
||||
if (!de)
|
||||
return false;
|
||||
|
||||
if (de->length_le == 0)
|
||||
return ReadFile(de.value(), data, error);
|
||||
}
|
||||
|
||||
bool IsoReader::ReadFile(const ISODirectoryEntry& de, std::vector<u8>* data, Error* error /*= nullptr*/)
|
||||
{
|
||||
if (de.flags & ISODirectoryEntryFlag_Directory)
|
||||
{
|
||||
Error::SetString(error, "File is a directory");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (de.length_le == 0)
|
||||
{
|
||||
data->clear();
|
||||
return true;
|
||||
}
|
||||
|
||||
const u32 num_sectors = (de->length_le + (SECTOR_SIZE - 1)) / SECTOR_SIZE;
|
||||
data->resize(num_sectors * u64(SECTOR_SIZE));
|
||||
if (m_image->Read(CDImage::ReadMode::DataOnly, num_sectors, data->data()) != num_sectors)
|
||||
return false;
|
||||
static_assert(sizeof(size_t) == sizeof(u64));
|
||||
const u32 num_sectors = (de.length_le + (SECTOR_SIZE - 1)) / SECTOR_SIZE;
|
||||
data->resize(num_sectors * static_cast<u64>(SECTOR_SIZE));
|
||||
for (u32 i = 0, lsn = de.location_le; i < num_sectors; i++, lsn++)
|
||||
{
|
||||
if (!ReadSector(data->data() + (i * SECTOR_SIZE), lsn, error))
|
||||
return false;
|
||||
}
|
||||
|
||||
data->resize(de->length_le);
|
||||
// Might not be sector aligned, so reduce it back.
|
||||
data->resize(de.length_le);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool ISOReader::FileExists(const char* path)
|
||||
{
|
||||
auto de = LocateFile(path);
|
||||
return de.has_value();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,8 +1,10 @@
|
|||
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
|
||||
// SPDX-FileCopyrightText: 2019-2023 Connor McLaughlin <stenzek@gmail.com>
|
||||
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/types.h"
|
||||
|
||||
#include <memory>
|
||||
#include <optional>
|
||||
#include <string>
|
||||
|
|
@ -10,7 +12,9 @@
|
|||
|
||||
class CDImage;
|
||||
|
||||
class ISOReader
|
||||
class Error;
|
||||
|
||||
class IsoReader
|
||||
{
|
||||
public:
|
||||
enum : u32
|
||||
|
|
@ -127,33 +131,46 @@ public:
|
|||
u16 sequence_le;
|
||||
u16 sequence_be;
|
||||
u8 filename_length;
|
||||
|
||||
ALWAYS_INLINE bool IsDirectory() const { return (flags & ISODirectoryEntryFlag_Directory); }
|
||||
ALWAYS_INLINE u32 GetSizeInSectors() const { return (length_le + (SECTOR_SIZE - 1)) / SECTOR_SIZE; }
|
||||
};
|
||||
|
||||
#pragma pack(pop)
|
||||
|
||||
ISOReader();
|
||||
~ISOReader();
|
||||
IsoReader();
|
||||
~IsoReader();
|
||||
|
||||
static std::string_view RemoveVersionIdentifierFromPath(const std::string_view& path);
|
||||
|
||||
ALWAYS_INLINE const CDImage* GetImage() const { return m_image; }
|
||||
ALWAYS_INLINE u32 GetTrackNumber() const { return m_track_number; }
|
||||
ALWAYS_INLINE const ISOPrimaryVolumeDescriptor& GetPVD() const { return m_pvd; }
|
||||
|
||||
bool Open(CDImage* image, u32 track_number);
|
||||
bool Open(CDImage* image, u32 track_number, Error* error = nullptr);
|
||||
|
||||
std::vector<std::string> GetFilesInDirectory(const std::string_view& path, Error* error = nullptr);
|
||||
std::vector<std::pair<std::string, ISODirectoryEntry>> GetEntriesInDirectory(const std::string_view& path,
|
||||
Error* error = nullptr);
|
||||
|
||||
std::vector<std::string> GetFilesInDirectory(const char* path);
|
||||
std::optional<ISODirectoryEntry> LocateFile(const std::string_view& path, Error* error);
|
||||
|
||||
bool ReadFile(const char* path, std::vector<u8>* data);
|
||||
bool FileExists(const char* path);
|
||||
bool FileExists(const std::string_view& path, Error* error = nullptr);
|
||||
bool DirectoryExists(const std::string_view& path, Error* error = nullptr);
|
||||
bool ReadFile(const std::string_view& path, std::vector<u8>* data, Error* error = nullptr);
|
||||
bool ReadFile(const ISODirectoryEntry& de, std::vector<u8>* data, Error* error = nullptr);
|
||||
|
||||
private:
|
||||
bool ReadPVD();
|
||||
static std::string_view GetDirectoryEntryFileName(const u8* sector, u32 de_sector_offset);
|
||||
|
||||
bool ReadSector(u8* buf, u32 lsn, Error* error);
|
||||
bool ReadPVD(Error* error);
|
||||
|
||||
std::optional<ISODirectoryEntry> LocateFile(const char* path);
|
||||
std::optional<ISODirectoryEntry> LocateFile(const char* path, u8* sector_buffer, u32 directory_record_lba,
|
||||
u32 directory_record_size);
|
||||
std::optional<ISODirectoryEntry> LocateFile(const std::string_view& path, u8* sector_buffer, u32 directory_record_lba,
|
||||
u32 directory_record_size, Error* error);
|
||||
|
||||
CDImage* m_image;
|
||||
u32 m_track_number;
|
||||
|
||||
ISOPrimaryVolumeDescriptor m_pvd = {};
|
||||
};
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in a new issue