Modules/Storage/private/LocalStorage.cpp
IlushaShurupov f60e73fc32 Restructure
2024-11-24 22:36:45 +03:00

90 lines
No EOL
2 KiB
C++

#include "LocalStorage.hpp"
#include "SystemAPI.hpp"
#include <cstdio>
using namespace tp;
bool FileLocation::exists() const {
FILE* file = fopen(mLocation.read(), "r");
if (file) {
// File exists, close it and return 1
fclose(file);
return true;
}
return false;
}
bool File::connect(const FileLocation& location, const FileConnectionType& connectionInfo) {
DEBUG_ASSERT(!mStatus.isOpened());
if (mStatus.isOpened()) return false;
auto handle = new FileSystemHandle();
switch (connectionInfo.getType()) {
case FileConnectionType::READ:
handle->open(location.getLocation().read(), false);
break;
case FileConnectionType::WRITE:
handle->open(location.getLocation().read(), true);
break;
default:
break;
};
if (!handle->isOpen()) {
mStatus.setStatus(FileConnectionStatus::DENIED);
delete handle;
return false;
}
mStatus.setStatus(FileConnectionStatus::OPENED);
mHandle = handle;
mConnectionType = connectionInfo;
return true;
}
bool File::disconnect() {
DEBUG_ASSERT(mStatus.isOpened());
if (!mStatus.isOpened() || !mHandle) return false;
mHandle->close();
delete mHandle;
mStatus.setStatus(FileConnectionStatus::CLOSED);
return true;
}
bool File::setPointer(BytePointer pointer) {
DEBUG_ASSERT(mStatus.isOpened());
if (!mStatus.isOpened()) return false;
return true;
}
bool File::readBytes(Byte* bytes, SizeBytes size) {
DEBUG_ASSERT(mStatus.isOpened() && mConnectionType.isWrite());
if (!mStatus.isOpened() || !mConnectionType.isWrite()) return false;
mHandle->seekp(mPointer);
mHandle->read(bytes, size);
mPointer += size;
return true;
}
bool File::writeBytes(const Byte* bytes, SizeBytes size) {
DEBUG_ASSERT(mStatus.isOpened() && mConnectionType.isRead());
if (!mStatus.isOpened() || !mConnectionType.isRead()) return false;
mHandle->seekp(mPointer);
mHandle->write(bytes, size);
mPointer += size;
return true;
}
File::SizeBytes File::size() {
DEBUG_ASSERT(mStatus.isOpened());
if (!mStatus.isOpened() || !mHandle) return 0;
return mHandle->size();
}