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/*
* The ManaPlus Client
* Copyright (C) 2013-2017 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "utils/virtfs.h"
#include "logger.h"
#include "utils/virtfile.h"
#include "utils/virtfileprivate.h"
#include <iostream>
#include <unistd.h>
#ifdef ANDROID
#include "utils/paths.h"
#endif // ANDROID
#include "debug.h"
const char *dirSeparator = nullptr;
namespace VirtFs
{
#if defined(__native_client__)
void init(const char *const name A_UNUSED)
{
if (!PHYSFS_init("/fakebinary"))
#elif defined(ANDROID)
void init(const char *const name A_UNUSED)
{
if (!PHYSFS_init((getRealPath(".").append("/fakebinary")).c_str()))
#else // defined(__native_client__)
void init(const char *const name)
{
if (!PHYSFS_init(name))
#endif // defined(__native_client__)
{
std::cout << "Error while initializing PhysFS: "
<< VirtFs::getLastError() << std::endl;
_exit(1);
}
updateDirSeparator();
atexit(reinterpret_cast<void(*)()>(PHYSFS_deinit));
}
void updateDirSeparator()
{
dirSeparator = PHYSFS_getDirSeparator();
}
const char *getDirSeparator()
{
return dirSeparator;
}
const char *getBaseDir()
{
return PHYSFS_getBaseDir();
}
const char *getUserDir()
{
return PHYSFS_getUserDir();
}
bool exists(const char *const fname)
{
return PHYSFS_exists(fname);
}
char **enumerateFiles(const char *const dir)
{
return PHYSFS_enumerateFiles(dir);
}
bool isDirectory(const char *const fname)
{
return PHYSFS_isDirectory(fname);
}
void freeList(void *const listVar)
{
PHYSFS_freeList(listVar);
}
VirtFile *openRead(const char *const filename)
{
PHYSFS_file *const handle = PHYSFS_openRead(filename);
if (!handle)
return nullptr;
VirtFile *const file = new VirtFile;
file->mPrivate = new VirtFilePrivate(handle);
return file;
}
VirtFile *openWrite(const char *const filename)
{
PHYSFS_file *const handle = PHYSFS_openWrite(filename);
if (!handle)
return nullptr;
VirtFile *const file = new VirtFile;
file->mPrivate = new VirtFilePrivate(handle);
return file;
}
VirtFile *openAppend(const char *const filename)
{
PHYSFS_file *const handle = PHYSFS_openAppend(filename);
if (!handle)
return nullptr;
VirtFile *const file = new VirtFile;
file->mPrivate = new VirtFilePrivate(handle);
return file;
}
bool setWriteDir(const char *const newDir)
{
return PHYSFS_setWriteDir(newDir);
}
bool addToSearchPath(const char *const newDir, const int appendToPath)
{
return PHYSFS_addToSearchPath(newDir, appendToPath);
}
bool removeFromSearchPath(const char *const oldDir)
{
return PHYSFS_removeFromSearchPath(oldDir);
}
const char *getRealDir(const char *const filename)
{
return PHYSFS_getRealDir(filename);
}
bool mkdir(const char *const dirname)
{
return PHYSFS_mkdir(dirname);
}
void *loadFile(const std::string &fileName, int &fileSize)
{
// Attempt to open the specified file using PhysicsFS
VirtFile *const file = VirtFs::openRead(fileName.c_str());
if (!file)
{
logger->log("Warning: Failed to load %s: %s",
fileName.c_str(),
VirtFs::getLastError());
return nullptr;
}
logger->log("Loaded %s/%s",
VirtFs::getRealDir(fileName.c_str()),
fileName.c_str());
fileSize = CAST_S32(VirtFs::fileLength(file));
// Allocate memory and load the file
void *const buffer = calloc(fileSize, 1);
VirtFs::read(file, buffer, 1, fileSize);
VirtFs::close(file);
return buffer;
}
bool deinit()
{
if (PHYSFS_deinit() != 0)
{
logger->log("Physfs deinit error: %s",
VirtFs::getLastError());
return false;
}
return true;
}
void permitLinks(const bool val)
{
PHYSFS_permitSymbolicLinks(val ? 1 : 0);
}
const char *getLastError()
{
return PHYSFS_getLastError();
}
int close(VirtFile *const file)
{
if (file == nullptr)
return 0;
delete file;
return 1;
}
int64_t read(VirtFile *const file,
void *const buffer,
const uint32_t objSize,
const uint32_t objCount)
{
if (file == nullptr)
return 0;
return PHYSFS_read(file->mPrivate->mFile,
buffer,
objSize,
objCount);
}
int64_t write(VirtFile *const file,
const void *const buffer,
const uint32_t objSize,
const uint32_t objCount)
{
if (file == nullptr)
return 0;
return PHYSFS_write(file->mPrivate->mFile,
buffer,
objSize,
objCount);
}
int64_t fileLength(VirtFile *const file)
{
if (file == nullptr)
return -1;
return PHYSFS_fileLength(file->mPrivate->mFile);
}
int64_t tell(VirtFile *const file)
{
if (file == nullptr)
return -1;
return PHYSFS_tell(file->mPrivate->mFile);
}
int seek(VirtFile *const file,
const uint64_t pos)
{
return PHYSFS_seek(file->mPrivate->mFile,
pos);
}
int eof(VirtFile *const file)
{
return PHYSFS_eof(file->mPrivate->mFile);
}
} // namespace PhysFs
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