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86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "common/common_types.h"
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#include "core/file_sys/archive_romfs.h"
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#include "core/file_sys/directory_romfs.h"
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#include "core/file_sys/file_romfs.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
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// Load the RomFS from the app
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if (Loader::ResultStatus::Success != app_loader.ReadRomFS(raw_data)) {
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WARN_LOG(FILESYS, "Unable to read RomFS!");
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}
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}
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Archive_RomFS::~Archive_RomFS() {
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}
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/**
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* Open a file specified by its path, using the specified mode
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* @param path Path relative to the archive
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* @param mode Mode to open the file with
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* @return Opened file, or nullptr
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*/
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std::unique_ptr<File> Archive_RomFS::OpenFile(const std::string& path, const Mode mode) const {
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return std::unique_ptr<File>(new File_RomFS);
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}
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/**
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* Open a directory specified by its path
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* @param path Path relative to the archive
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* @return Opened directory, or nullptr
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*/
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std::unique_ptr<Directory> Archive_RomFS::OpenDirectory(const std::string& path) const {
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return std::unique_ptr<Directory>(new Directory_RomFS);
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}
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
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DEBUG_LOG(FILESYS, "called offset=%d, length=%d", offset, length);
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memcpy(buffer, &raw_data[(u32)offset], length);
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return length;
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}
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Archive_RomFS::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
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ERROR_LOG(FILESYS, "Attempted to write to ROMFS.");
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return 0;
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}
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t Archive_RomFS::GetSize() const {
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return sizeof(u8) * raw_data.size();
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}
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/**
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* Set the size of the archive in bytes
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*/
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void Archive_RomFS::SetSize(const u64 size) {
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ERROR_LOG(FILESYS, "Attempted to set the size of ROMFS");
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}
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} // namespace FileSys
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