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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 "fs/virtfs/fs.h"
#include "fs/files.h"
#include "fs/paths.h"
#include "fs/virtfs/direntry.h"
#include "fs/virtfs/file.h"
#include "fs/virtfs/fsdir.h"
#include "fs/virtfs/fsfuncs.h"
#include "fs/virtfs/fszip.h"
#include "fs/virtfs/list.h"
#include "fs/virtfs/zipentry.h"
#include "fs/virtfs/zipreader.h"
#include "utils/checkutils.h"
#include "utils/stringutils.h"
#include "debug.h"
const char *dirSeparator = nullptr;
#ifdef UNITTESTS
#define reportNonTests logger->log
#else // UNITTESTS
#define reportNonTests reportAlways
#endif // UNITTESTS
namespace VirtFs
{
namespace
{
std::vector<FsEntry*> mEntries;
} // namespace
void init(const std::string &restrict name)
{
updateDirSeparator();
FsDir::init(name);
FsZip::init();
}
void updateDirSeparator()
{
#ifdef WIN32
dirSeparator = "\\";
#else // WIN32
dirSeparator = "/";
#endif // WIN32
}
const char *getDirSeparator()
{
return dirSeparator;
}
const char *getBaseDir()
{
return FsDir::getBaseDir();
}
const char *getUserDir()
{
return FsDir::getUserDir();
}
std::vector<FsEntry*> &getEntries()
{
return mEntries;
}
FsEntry *searchByRootInternal(const std::string &restrict root,
const std::string &restrict subDir)
{
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
const FsEntry *const entry = *it;
if (entry->root == root &&
entry->subDir == subDir)
{
return *it;
}
}
return nullptr;
}
FsEntry *searchByTypeInternal(const std::string &restrict root,
const FsEntryTypeT type)
{
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
const FsEntry *const entry = *it;
if (entry->root == root &&
entry->type == type)
{
return *it;
}
}
return nullptr;
}
bool exists(std::string name)
{
prepareFsPath(name);
if (checkPath(name) == false)
{
reportAlways("FsDir::exists invalid path: %s",
name.c_str());
return false;
}
std::string rootDir = name;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
if (entry->funcs->exists(entry, name, rootDir) == true)
return true;
}
return false;
}
List *enumerateFiles(std::string dirName)
{
List *const list = new List;
prepareFsPath(dirName);
if (checkPath(dirName) == false)
{
reportAlways("VirtFs::enumerateFiles invalid path: %s",
dirName.c_str());
return list;
}
std::string rootDir = dirName;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
StringVect &names = list->names;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
entry->funcs->enumerate(entry, rootDir, names);
}
return list;
}
void getFiles(std::string dirName,
StringVect &list)
{
prepareFsPath(dirName);
if (checkPath(dirName) == false)
{
reportAlways("VirtFs::enumerateFiles invalid path: %s",
dirName.c_str());
return;
}
std::string rootDir = dirName;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
entry->funcs->getFiles(entry, rootDir, list);
}
}
void getFilesWithDir(std::string dirName,
StringVect &list)
{
prepareFsPath(dirName);
if (checkPath(dirName) == false)
{
reportAlways("VirtFs::enumerateFiles invalid path: %s",
dirName.c_str());
return;
}
std::string rootDir = dirName;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
entry->funcs->getFilesWithDir(entry, rootDir, list);
}
}
void getDirs(std::string dirName,
StringVect &list)
{
prepareFsPath(dirName);
if (checkPath(dirName) == false)
{
reportAlways("VirtFs::enumerateFiles invalid path: %s",
dirName.c_str());
return;
}
std::string rootDir = dirName;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
entry->funcs->getDirs(entry, rootDir, list);
}
}
bool isDirectory(std::string name)
{
prepareFsPath(name);
if (checkPath(name) == false)
{
reportAlways("VirtFs::isDirectory invalid path: %s",
name.c_str());
return false;
}
std::string dirName = name;
if (findLast(dirName, std::string(dirSeparator)) == false)
dirName += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
bool isDirFlag(false);
if (entry->funcs->isDirectory(entry, dirName, isDirFlag) == true)
{
return isDirFlag;
}
}
return false;
}
bool isSymbolicLink(const std::string &restrict name)
{
return FsDir::isSymbolicLink(name);
}
void freeList(List *restrict const handle)
{
delete handle;
}
File *openRead(std::string filename)
{
prepareFsPath(filename);
if (checkPath(filename) == false)
{
reportAlways("VirtFs::openRead invalid path: %s",
filename.c_str());
return nullptr;
}
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
File *const file = entry->funcs->openRead(entry, filename);
if (file != nullptr)
return file;
}
return nullptr;
}
File *openWrite(std::string filename)
{
prepareFsPath(filename);
if (checkPath(filename) == false)
{
reportAlways("VirtFs::openWrite invalid path: %s",
filename.c_str());
return nullptr;
}
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
File *const file = entry->funcs->openWrite(entry, filename);
if (file != nullptr)
return file;
}
return nullptr;
}
File *openAppend(std::string filename)
{
prepareFsPath(filename);
if (checkPath(filename) == false)
{
reportAlways("VirtFs::openAppend invalid path: %s",
filename.c_str());
return nullptr;
}
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
File *const file = entry->funcs->openAppend(entry, filename);
if (file != nullptr)
return file;
}
return nullptr;
}
bool setWriteDir(const std::string &restrict newDir)
{
return FsDir::setWriteDir(newDir);
}
void addEntry(FsEntry *const entry,
const Append append)
{
if (append == Append_true)
mEntries.push_back(entry);
else
mEntries.insert(mEntries.begin(), entry);
}
bool mountDirInternal(const std::string &restrict newDir,
const std::string &restrict subDir,
const Append append)
{
if (newDir.find(".zip") != std::string::npos)
{
reportAlways("Called FsDir::mount with zip archive");
return false;
}
std::string rootDir = newDir;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
const FsEntry *const entry = searchByRootInternal(rootDir, subDir);
if (entry != nullptr)
{
reportAlways("VirtFs::mount already exists: %s",
newDir.c_str());
return false;
}
logger->log("Add virtual directory: " + newDir);
addEntry(new DirEntry(newDir, rootDir, subDir, FsDir::getFuncs()),
append);
return true;
}
bool mountDir(std::string newDir,
const Append append)
{
prepareFsPath(newDir);
if (Files::existsLocal(newDir) == false)
{
reportNonTests("VirtFs::mount directory not exists: %s",
newDir.c_str());
return false;
}
return mountDirInternal(newDir, dirSeparator, append);
}
bool mountDir2(std::string newDir,
std::string subDir,
const Append append)
{
prepareFsPath(newDir);
prepareFsPath(subDir);
if (Files::existsLocal(newDir) == false)
{
reportNonTests("VirtFs::mount directory not exists: %s",
newDir.c_str());
return false;
}
return mountDirInternal(newDir, subDir, append);
}
bool mountDirSilent(std::string newDir,
const Append append)
{
prepareFsPath(newDir);
if (Files::existsLocal(newDir) == false)
{
logger->log("VirtFs::mount directory not exists: %s",
newDir.c_str());
return false;
}
return mountDirInternal(newDir, dirSeparator, append);
}
bool mountDirSilent2(std::string newDir,
std::string subDir,
const Append append)
{
prepareFsPath(newDir);
prepareFsPath(subDir);
if (Files::existsLocal(newDir) == false)
{
logger->log("VirtFs::mount directory not exists: %s",
newDir.c_str());
return false;
}
return mountDirInternal(newDir, subDir, append);
}
#ifdef UNITTESTS
bool mountDirSilentTest(std::string newDir,
const Append append)
{
prepareFsPath(newDir);
if (Files::existsLocal(newDir) == false)
{
logger->log("VirtFs::mount directory not exists: %s",
newDir.c_str());
}
return mountDirInternal(newDir, dirSeparator,append);
}
bool mountDirSilentTest2(std::string newDir,
std::string subDir,
const Append append)
{
prepareFsPath(newDir);
prepareFsPath(subDir);
if (Files::existsLocal(newDir) == false)
{
logger->log("VirtFs::mount directory not exists: %s",
newDir.c_str());
}
return mountDirInternal(newDir, subDir, append);
}
#endif // UNITTESTS
bool unmountDirInternal(std::string oldDir,
const std::string &restrict subDir)
{
if (findLast(oldDir, std::string(dirSeparator)) == false)
oldDir += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::iterator, it, mEntries)
{
FsEntry *const entry = *it;
if (entry->root == oldDir &&
entry->type == FsEntryType::Dir &&
entry->subDir == subDir)
{
DirEntry *const dirEntry = static_cast<DirEntry*>(
entry);
logger->log("Remove virtual directory: " + oldDir);
mEntries.erase(it);
delete dirEntry;
return true;
}
}
return false;
}
bool unmountDir(std::string oldDir)
{
prepareFsPath(oldDir);
if (oldDir.find(".zip") != std::string::npos)
{
reportAlways("Called unmount with zip archive");
return false;
}
if (unmountDirInternal(oldDir, dirSeparator) == false)
{
reportAlways("VirtFs::unmountDir not exists: %s",
oldDir.c_str());
return false;
}
return true;
}
bool unmountDir2(std::string oldDir,
std::string subDir)
{
prepareFsPath(oldDir);
if (oldDir.find(".zip") != std::string::npos)
{
reportAlways("Called unmount with zip archive");
return false;
}
prepareFsPath(subDir);
if (unmountDirInternal(oldDir, subDir) == false)
{
reportAlways("VirtFs::unmountDir not exists: %s",
oldDir.c_str());
return false;
}
return true;
}
bool unmountDirSilent(std::string oldDir)
{
prepareFsPath(oldDir);
if (oldDir.find(".zip") != std::string::npos)
{
reportAlways("Called unmount with zip archive");
return false;
}
if (unmountDirInternal(oldDir, dirSeparator) == false)
{
logger->log("VirtFs::unmountDir not exists: %s",
oldDir.c_str());
return false;
}
return true;
}
bool unmountDirSilent2(std::string oldDir,
std::string subDir)
{
prepareFsPath(oldDir);
if (oldDir.find(".zip") != std::string::npos)
{
reportAlways("Called unmount with zip archive");
return false;
}
prepareFsPath(subDir);
if (unmountDirInternal(oldDir, subDir) == false)
{
logger->log("VirtFs::unmountDir not exists: %s",
oldDir.c_str());
return false;
}
return true;
}
bool mountZip(std::string newDir,
const Append append)
{
prepareFsPath(newDir);
if (Files::existsLocal(newDir) == false)
{
reportNonTests("FsZip::mount file not exists: %s",
newDir.c_str());
return false;
}
if (findLast(newDir, ".zip") == false)
{
reportAlways("Called VirtFs::mount without "
"zip archive");
return false;
}
if (searchByRootInternal(newDir, dirSeparator) != nullptr)
{
reportAlways("FsZip::mount already exists: %s",
newDir.c_str());
return false;
}
ZipEntry *const entry = new ZipEntry(newDir,
dirSeparator,
FsZip::getFuncs());
if (ZipReader::readArchiveInfo(entry) == false)
{
delete entry;
return false;
}
logger->log("Add virtual zip: " + newDir);
addEntry(entry, append);
return true;
}
bool unmountZip(std::string oldDir)
{
prepareFsPath(oldDir);
if (findLast(oldDir, ".zip") == false)
{
reportAlways("Called unmount without zip archive");
return false;
}
FOR_EACH (std::vector<FsEntry*>::iterator, it, mEntries)
{
FsEntry *const entry = *it;
if (entry->root == oldDir &&
entry->type == FsEntryType::Zip)
{
ZipEntry *const zipEntry = static_cast<ZipEntry*>(
entry);
logger->log("Remove virtual zip: " + oldDir);
mEntries.erase(it);
delete zipEntry;
return true;
}
}
reportAlways("VirtFs::unmountZip not exists: %s",
oldDir.c_str());
return false;
}
std::string getRealDir(std::string fileName)
{
prepareFsPath(fileName);
if (checkPath(fileName) == false)
{
reportAlways("FsDir::getRealDir invalid path: %s",
fileName.c_str());
return std::string();
}
std::string rootDir = fileName;
if (findLast(rootDir, std::string(dirSeparator)) == false)
rootDir += dirSeparator;
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
std::string realDir;
if (entry->funcs->getRealDir(entry,
fileName,
rootDir,
realDir) == true)
{
return realDir;
}
}
return std::string();
}
bool mkdir(const std::string &restrict dirname)
{
return FsDir::mkdir(dirname);
}
bool remove(const std::string &restrict filename)
{
return FsDir::remove(filename);
}
bool deinit()
{
FsDir::deinit();
FsZip::deinit();
FOR_EACH (std::vector<FsEntry*>::iterator, it, mEntries)
{
FsEntry *const entry = *it;
if (entry->type == FsEntryType::Dir)
delete static_cast<DirEntry*>(entry);
else if (entry->type == FsEntryType::Zip)
delete static_cast<ZipEntry*>(entry);
else
delete entry;
}
mEntries.clear();
return true;
}
void permitLinks(const bool val)
{
FsDir::permitLinks(val);
}
int close(File *restrict const file)
{
if (file == nullptr)
return 0;
return file->funcs->close(file);
}
int64_t read(File *restrict const file,
void *restrict const buffer,
const uint32_t objSize,
const uint32_t objCount)
{
return file->funcs->read(file,
buffer,
objSize,
objCount);
}
int64_t write(File *restrict const file,
const void *restrict const buffer,
const uint32_t objSize,
const uint32_t objCount)
{
return file->funcs->write(file,
buffer,
objSize,
objCount);
}
int64_t fileLength(File *restrict const file)
{
return file->funcs->fileLength(file);
}
int64_t tell(File *restrict const file)
{
return file->funcs->tell(file);
}
int seek(File *restrict const file,
const uint64_t pos)
{
return file->funcs->seek(file,
pos);
}
int eof(File *restrict const file)
{
return file->funcs->eof(file);
}
const char *loadFile(std::string filename,
int &restrict fileSize)
{
prepareFsPath(filename);
if (checkPath(filename) == false)
{
reportAlways("VirtFs::loadFile invalid path: %s",
filename.c_str());
return nullptr;
}
FOR_EACH (std::vector<FsEntry*>::const_iterator, it, mEntries)
{
FsEntry *const entry = *it;
const char *const buf = entry->funcs->loadFile(entry,
filename,
fileSize);
if (buf != nullptr)
return buf;
}
return nullptr;
}
} // namespace VirtFs
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