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authorwwylele <wwylele@gmail.com>2016-10-17 04:10:23 +0200
committerwwylele <wwylele@gmail.com>2016-11-19 16:17:19 +0100
commit9a0405858a5602a5e1e112b131ecdd8ca27e6d10 (patch)
tree287e47a4425fe9dd2c04bbfd92b36d0240a767b9 /src/core/file_sys
parentFileSys: remove Open from DirectoryBackend (diff)
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Diffstat (limited to 'src/core/file_sys')
-rw-r--r--src/core/file_sys/disk_archive.cpp92
-rw-r--r--src/core/file_sys/disk_archive.h7
-rw-r--r--src/core/file_sys/file_backend.h6
-rw-r--r--src/core/file_sys/ivfc_archive.h3
4 files changed, 44 insertions, 64 deletions
diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp
index fef6e68a2..43d199434 100644
--- a/src/core/file_sys/disk_archive.cpp
+++ b/src/core/file_sys/disk_archive.cpp
@@ -18,11 +18,46 @@ namespace FileSys {
ResultVal<std::unique_ptr<FileBackend>> DiskArchive::OpenFile(const Path& path,
const Mode& mode) const {
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
- auto file = std::make_unique<DiskFile>(*this, path, mode);
- ResultCode result = file->Open();
- if (result.IsError())
- return result;
- return MakeResult<std::unique_ptr<FileBackend>>(std::move(file));
+
+ auto full_path = mount_point + path.AsString();
+ if (FileUtil::IsDirectory(full_path))
+ return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled,
+ ErrorLevel::Status);
+
+ // Specifying only the Create flag is invalid
+ if (mode.create_flag && !mode.read_flag && !mode.write_flag) {
+ return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
+ ErrorSummary::Canceled, ErrorLevel::Status);
+ }
+
+ if (!FileUtil::Exists(full_path)) {
+ if (!mode.create_flag) {
+ LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
+ full_path.c_str());
+ return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
+ ErrorSummary::NotFound, ErrorLevel::Status);
+ } else {
+ // Create the file
+ FileUtil::CreateEmptyFile(full_path);
+ }
+ }
+
+ std::string mode_string = "";
+ if (mode.write_flag)
+ mode_string += "r+"; // Files opened with Write access can be read from
+ else if (mode.read_flag)
+ mode_string += "r";
+
+ // Open the file in binary mode, to avoid problems with CR/LF on Windows systems
+ mode_string += "b";
+
+ FileUtil::IOFile file(full_path, mode_string.c_str());
+ if (!file.IsOpen())
+ return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound,
+ ErrorLevel::Status);
+
+ auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
+ return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
}
ResultCode DiskArchive::DeleteFile(const Path& path) const {
@@ -127,53 +162,6 @@ u64 DiskArchive::GetFreeBytes() const {
////////////////////////////////////////////////////////////////////////////////////////////////////
-DiskFile::DiskFile(const DiskArchive& archive, const Path& path, const Mode mode) {
- // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass
- // the root directory we set while opening the archive.
- // For example, opening /../../etc/passwd can give the emulated program your users list.
- this->path = archive.mount_point + path.AsString();
- this->mode.hex = mode.hex;
-}
-
-ResultCode DiskFile::Open() {
- if (FileUtil::IsDirectory(path))
- return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled,
- ErrorLevel::Status);
-
- // Specifying only the Create flag is invalid
- if (mode.create_flag && !mode.read_flag && !mode.write_flag) {
- return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
- ErrorSummary::Canceled, ErrorLevel::Status);
- }
-
- if (!FileUtil::Exists(path)) {
- if (!mode.create_flag) {
- LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
- path.c_str());
- return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
- ErrorSummary::NotFound, ErrorLevel::Status);
- } else {
- // Create the file
- FileUtil::CreateEmptyFile(path);
- }
- }
-
- std::string mode_string = "";
- if (mode.write_flag)
- mode_string += "r+"; // Files opened with Write access can be read from
- else if (mode.read_flag)
- mode_string += "r";
-
- // Open the file in binary mode, to avoid problems with CR/LF on Windows systems
- mode_string += "b";
-
- file = std::make_unique<FileUtil::IOFile>(path, mode_string.c_str());
- if (file->IsOpen())
- return RESULT_SUCCESS;
- return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound,
- ErrorLevel::Status);
-}
-
ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const {
if (!mode.read_flag && !mode.write_flag)
return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
diff --git a/src/core/file_sys/disk_archive.h b/src/core/file_sys/disk_archive.h
index c93c32eb2..c2c3c3b23 100644
--- a/src/core/file_sys/disk_archive.h
+++ b/src/core/file_sys/disk_archive.h
@@ -54,9 +54,11 @@ protected:
class DiskFile : public FileBackend {
public:
- DiskFile(const DiskArchive& archive, const Path& path, const Mode mode);
+ DiskFile(FileUtil::IOFile&& file_, const Mode& mode_)
+ : file(new FileUtil::IOFile(std::move(file_))) {
+ mode.hex = mode_.hex;
+ }
- ResultCode Open() override;
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;
@@ -68,7 +70,6 @@ public:
}
protected:
- std::string path;
Mode mode;
std::unique_ptr<FileUtil::IOFile> file;
};
diff --git a/src/core/file_sys/file_backend.h b/src/core/file_sys/file_backend.h
index ed997537f..5e7c2bab4 100644
--- a/src/core/file_sys/file_backend.h
+++ b/src/core/file_sys/file_backend.h
@@ -19,12 +19,6 @@ public:
virtual ~FileBackend() {}
/**
- * Open the file
- * @return Result of the file operation
- */
- virtual ResultCode Open() = 0;
-
- /**
* Read data from the file
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from file
diff --git a/src/core/file_sys/ivfc_archive.h b/src/core/file_sys/ivfc_archive.h
index 826261441..e6fbdfb1f 100644
--- a/src/core/file_sys/ivfc_archive.h
+++ b/src/core/file_sys/ivfc_archive.h
@@ -55,9 +55,6 @@ public:
IVFCFile(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
: romfs_file(file), data_offset(offset), data_size(size) {}
- ResultCode Open() override {
- return RESULT_SUCCESS;
- }
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;