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FS.Archive: Clean up treatment of archives and their handles

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- Refactor FS::Archive internals to make Archive creation and lifetime
  management clearer.
- Remove the "Archive as a File" hack.
- Implement 64-bit Archive handles.
This commit is contained in:
Yuri Kunde Schlesner
2014-12-15 06:41:02 -02:00
parent 0931a42af0
commit 83e6e4ffec
11 changed files with 208 additions and 398 deletions
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50
src/core/file_sys/archive_romfs.cpp
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@ -2,6 +2,8 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <memory>
#include "common/common_types.h"
#include "core/file_sys/archive_romfs.h"
@ -20,9 +22,6 @@ Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
}
}
Archive_RomFS::~Archive_RomFS() {
}
/**
* Open a file specified by its path, using the specified mode
* @param path Path relative to the archive
@ -30,7 +29,7 @@ Archive_RomFS::~Archive_RomFS() {
* @return Opened file, or nullptr
*/
std::unique_ptr<FileBackend> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const {
return std::unique_ptr<FileBackend>(new File_RomFS);
return std::make_unique<File_RomFS>(this);
}
/**
@ -79,48 +78,7 @@ bool Archive_RomFS::RenameDirectory(const FileSys::Path& src_path, const FileSys
* @return Opened directory, or nullptr
*/
std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const {
return std::unique_ptr<DirectoryBackend>(new Directory_RomFS);
}
/**
* Read data from the archive
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from archive
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
memcpy(buffer, &raw_data[(u32)offset], length);
return length;
}
/**
* Write data to the archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
size_t Archive_RomFS::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
return 0;
}
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
size_t Archive_RomFS::GetSize() const {
return sizeof(u8) * raw_data.size();
}
/**
* Set the size of the archive in bytes
*/
void Archive_RomFS::SetSize(const u64 size) {
LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
return std::make_unique<Directory_RomFS>();
}
} // namespace FileSys