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#include <physfs/physfs.h>
#include "../exceptions/exception.h"
#include "File.h"
#include "FileData.h"
#include "FileSystem.h"
using namespace std;
namespace AsuraEngine
{
namespace IO
{
#ifdef ASURA_WINDOWS
#include <windows.h>
#include <direct.h>
#else
#include <sys/param.h>
#include <unistd.h>
#endif
Filesystem::~Filesystem()
{
if (m_Inited) //PHYSFS_isInit
PHYSFS_deinit();
}
void Filesystem::Init(const char* arg0)
{
if (!PHYSFS_init(arg0))
throw Exception("Failed to initialize filesystem: %s", PHYSFS_getErrorByCode(PHYSFS_getLastErrorCode()));
m_Inited = true;
}
bool Filesystem::Mount(const std::string& locpath, const std::string& montpoint/* = "/"*/, bool prepend /*= false*/)
{
if (!m_Inited)
return false;
return PHYSFS_mount(locpath.c_str(), montpoint.c_str(), !prepend);
}
bool Filesystem::Mount(DataBuffer* db, const std::string& archivename, const std::string& mountpoint /*= "/"*/, bool prepend /*= false*/)
{
if (!m_Inited)
return false;
if (PHYSFS_mountMemory(db->GetData(), db->GetSize(), nullptr, archivename.c_str(), mountpoint.c_str(), !prepend))
{
m_MountData[archivename] = db;
return true;
}
return false;
}
bool Filesystem::Unmount(const std::string& locpath)
{
if (!m_Inited)
return false;
// ǹ鵵ӳɾ
auto datait = m_MountData.find(locpath);
if (datait != m_MountData.end() && PHYSFS_unmount(locpath.c_str()) != 0)
{
m_MountData.erase(datait);
return true;
}
return PHYSFS_unmount(locpath.c_str());
}
bool Filesystem::Unmount(DataBuffer* db)
{
for (const auto& dp : m_MountData)
{
if (dp.second == db)
{
std::string archive = dp.first;
return Unmount(archive);
}
}
}
bool Filesystem::GetMountPoint(const std::string& locpath, ASURA_OUT std::string& mountpoint)
{
if (!m_Inited)
return false;
const char* point = PHYSFS_getMountPoint(locpath.c_str());
if (point != nullptr)
{
mountpoint = point;
return true;
}
return false;
}
void Filesystem::SetWriteDirectory(const std::string locpath)
{
if (!m_Inited)
return;
if (!PHYSFS_setWriteDir(locpath.c_str()))
throw Exception("Failed to set write directory %s", locpath.c_str());
}
std::string Filesystem::GetWriteDirectory()
{
return PHYSFS_getWriteDir();
}
File* Filesystem::NewFile(const std::string& name)
{
return new File(name);
}
bool Filesystem::NewDirectory(const std::string& path)
{
if (!m_Inited)
return false;
if (!PHYSFS_getWriteDir())
return false;
if (!PHYSFS_mkdir(path.c_str()))
return false;
return true;
}
bool Filesystem::Write(const std::string& name, ASURA_REF DataBuffer* buffer)
{
File file(name);
file.Open(File::FILE_MODE_WRITE);
if (!file.Write(buffer))
throw Exception("Data could not be written.");
}
bool Filesystem::Append(const std::string& name, ASURA_REF DataBuffer* buffer)
{
File file(name);
file.Open(File::FILE_MODE_APPEND);
if (!file.Write(buffer))
throw Exception("Data could not be append.");
}
FileData* Filesystem::Read(const std::string& name)
{
File file = File(name);
file.Open(File::FILE_MODE_READ);
int size = file.GetSize();
DataBuffer* db = new DataBuffer(size);
if (db)
{
file.ReadAll(db);
FileData* fd = new FileData(name);
fd->BindData(db);
return fd;
}
return nullptr;
}
bool Filesystem::Remove(const std::string& path)
{
if (!m_Inited)
return false;
if (PHYSFS_getWriteDir() == 0)
return false;
if (!PHYSFS_delete(path.c_str()))
return false;
return true;
}
bool Filesystem::GetFileInfo(const std::string& filepath, ASURA_OUT FileInfo* info)
{
if (!m_Inited)
return false;
PHYSFS_Stat stat = {};
if (!PHYSFS_stat(filepath.c_str(), &stat))
return false;
info->size = (int64)stat.filesize;
info->modtime = (int64)stat.modtime;
if (stat.filetype == PHYSFS_FILETYPE_REGULAR)
info->type = FILE_TYPE_FILE;
else if (stat.filetype == PHYSFS_FILETYPE_DIRECTORY)
info->type = FILE_TYPE_DIRECTORY;
else if (stat.filetype == PHYSFS_FILETYPE_SYMLINK)
info->type = FILE_TYPE_SYMLINK;
else
info->type = FILE_TYPE_OTHER;
return true;
}
}
}
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