diff options
Diffstat (limited to 'src/fs/virtfs/fsdir.cpp')
| -rw-r--r-- | src/fs/virtfs/fsdir.cpp | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/src/fs/virtfs/fsdir.cpp b/src/fs/virtfs/fsdir.cpp deleted file mode 100644 index f32cbba4b..000000000 --- a/src/fs/virtfs/fsdir.cpp +++ /dev/null @@ -1,686 +0,0 @@ -/* - * 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/fsdir.h" - -#include "fs/files.h" -#include "fs/mkdir.h" -#include "fs/paths.h" - -#include "fs/virtfs/direntry.h" -#include "fs/virtfs/file.h" -#include "fs/virtfs/fsdirrwops.h" -#include "fs/virtfs/fsfuncs.h" -#include "fs/virtfs/list.h" - -#include "utils/cast.h" -#include "utils/checkutils.h" -#include "utils/foreach.h" -#include "utils/stdmove.h" -#include "utils/stringutils.h" - -#include <dirent.h> -#include <unistd.h> - -#include <sys/types.h> -#include <sys/stat.h> - -#include "debug.h" - -extern const char *dirSeparator; - -namespace VirtFs -{ - -namespace -{ - std::string mWriteDir; - std::string mBaseDir; - std::string mUserDir; - bool mPermitLinks = false; - FsFuncs funcs; -} // namespace - -namespace FsDir -{ - File *openInternal(FsEntry *restrict const entry, - const std::string &filename, - const FILEMTYPE mode) - { - const std::string path = static_cast<DirEntry*>(entry)->rootSubDir + - filename; - if (Files::existsLocal(path) == false) - return nullptr; - FILEHTYPE fd = FILEOPEN(path.c_str(), - mode); - if (fd == FILEHDEFAULT) - { - reportAlways("VirtFs::open file open error: %s", - filename.c_str()); - return nullptr; - } - return new File(&funcs, fd); - } - - File *openRead(FsEntry *restrict const entry, - std::string filename) - { - return openInternal(entry, filename, FILEOPEN_FLAG_READ); - } - - File *openWrite(FsEntry *restrict const entry, - const std::string &filename) - { - return openInternal(entry, filename, FILEOPEN_FLAG_WRITE); - } - - File *openAppend(FsEntry *restrict const entry, - const std::string &filename) - { - return openInternal(entry, filename, FILEOPEN_FLAG_APPEND); - } - - void deinit() - { - } - -#if defined(__native_client__) - void init(const std::string &restrict name A_UNUSED) - { - mBaseDir = "/"; -#elif defined(ANDROID) - void init(const std::string &restrict name A_UNUSED) - { - mBaseDir = getRealPath("."); -#else // defined(__native_client__) - - void init(const std::string &restrict name) - { - mBaseDir = getRealPath(getFileDir(name)); -#endif // defined(__native_client__) - - prepareFsPath(mBaseDir); - mUserDir = getHomePath(); - prepareFsPath(mUserDir); - initFuncs(&funcs); - } - - void initFuncs(FsFuncs *restrict const ptr) - { - ptr->close = &FsDir::close; - ptr->read = &FsDir::read; - ptr->write = &FsDir::write; - ptr->fileLength = &FsDir::fileLength; - ptr->tell = &FsDir::tell; - ptr->seek = &FsDir::seek; - ptr->eof = &FsDir::eof; - ptr->exists = &FsDir::exists; - ptr->getRealDir = &FsDir::getRealDir; - ptr->enumerate = &FsDir::enumerate; - ptr->isDirectory = &FsDir::isDirectory; - ptr->openRead = &FsDir::openRead; - ptr->openWrite = &FsDir::openWrite; - ptr->openAppend = &FsDir::openAppend; - ptr->loadFile = &FsDir::loadFile; - ptr->getFiles = &FsDir::getFiles; - ptr->getFilesWithDir = &FsDir::getFilesWithDir; - ptr->getDirs = &FsDir::getDirs; - ptr->rwops_seek = &FsDir::rwops_seek; - ptr->rwops_read = &FsDir::rwops_read; - ptr->rwops_write = &FsDir::rwops_write; - ptr->rwops_close = &FsDir::rwops_close; -#ifdef USE_SDL2 - ptr->rwops_size = &FsDir::rwops_size; -#endif // USE_SDL2 - } - - FsFuncs *getFuncs() - { - return &funcs; - } - - const char *getBaseDir() - { - return mBaseDir.c_str(); - } - - const char *getUserDir() - { - return mUserDir.c_str(); - } - - bool getRealDir(FsEntry *restrict const entry, - std::string filename, - std::string dirName A_UNUSED, - std::string &realDir) - { - const DirEntry *const dirEntry = static_cast<const DirEntry*>(entry); - if (Files::existsLocal(dirEntry->rootSubDir + filename)) - { - realDir = dirEntry->userDir; - return true; - } - return false; - } - - bool exists(FsEntry *restrict const entry, - std::string fileName, - std::string dirName A_UNUSED) - { - return Files::existsLocal(static_cast<DirEntry*>(entry)->rootSubDir + - fileName); - } - - void enumerate(FsEntry *restrict const entry, - std::string dirName, - StringVect &names) - { - const std::string path = static_cast<DirEntry*>(entry)->rootSubDir + - dirName; - const struct dirent *next_file = nullptr; - DIR *const dir = opendir(path.c_str()); - if (dir != nullptr) - { - while ((next_file = readdir(dir)) != nullptr) - { - const std::string file = next_file->d_name; - if (file == "." || file == "..") - continue; -#ifndef WIN32 - if (mPermitLinks == false) - { - struct stat statbuf; - if (lstat(path.c_str(), &statbuf) == 0 && - S_ISLNK(statbuf.st_mode) != 0) - { - continue; - } - } -#endif // WIN32 - - bool found(false); - FOR_EACH (StringVectCIter, itn, names) - { - if (*itn == file) - { - found = true; - break; - } - } - if (found == false) - names.push_back(file); - } - closedir(dir); - } - } - - bool isDirectory(FsEntry *restrict const entry, - std::string dirName, - bool &isDirFlag) - { - std::string path = static_cast<DirEntry*>(entry)->rootSubDir + dirName; - - struct stat statbuf; - if (stat(path.c_str(), &statbuf) == 0) - { - isDirFlag = (S_ISDIR(statbuf.st_mode) != 0); - return true; - } - return false; - } - - bool isSymbolicLink(std::string name) - { - prepareFsPath(name); - if (checkPath(name) == false) - { - reportAlways("FsDir::isSymbolicLink invalid path: %s", - name.c_str()); - return false; - } -#ifndef WIN32 - if (mPermitLinks == false) - return false; - - struct stat statbuf; - return lstat(name.c_str(), &statbuf) == 0 && - S_ISLNK(statbuf.st_mode) != 0; -#else - return false; -#endif // WIN32 - } - - void freeList(List *restrict const handle) - { - delete handle; - } - - bool setWriteDir(std::string newDir) - { - prepareFsPath(newDir); - mWriteDir = STD_MOVE(newDir); - if (findLast(mWriteDir, std::string(dirSeparator)) == false) - mWriteDir += dirSeparator; - return true; - } - - bool mkdir(std::string dirname) - { - prepareFsPath(dirname); - if (mWriteDir.empty()) - { - reportAlways("FsDir::mkdir write dir is empty"); - return false; - } - return mkdir_r((mWriteDir + dirname).c_str()) != -1; - } - - bool remove(std::string filename) - { - prepareFsPath(filename); - if (mWriteDir.empty()) - { - reportAlways("FsDir::remove write dir is empty"); - return false; - } - return ::remove((mWriteDir + filename).c_str()) != 0; - } - - void permitLinks(const bool val) - { - mPermitLinks = val; - } - - int close(File *restrict const file) - { - if (file == nullptr) - return 0; - delete file; - return 1; - } - - int64_t read(File *restrict const file, - void *restrict const buffer, - const uint32_t objSize, - const uint32_t objCount) - { - if (file == nullptr) - return 0; - FILEHTYPE fd = file->mFd; - if (fd == FILEHDEFAULT) - { - reportAlways("FsDir::read file not opened."); - return 0; - } -#ifdef USE_FILE_FOPEN - return fread(buffer, objSize, objCount, fd); -#else // USE_FILE_FOPEN - int max = objSize * objCount; - int cnt = ::read(fd, buffer, max); - if (cnt <= 0) - return cnt; - return cnt / objSize; -#endif // USE_FILE_FOPEN - } - - int64_t write(File *restrict const file, - const void *restrict const buffer, - const uint32_t objSize, - const uint32_t objCount) - { - if (file == nullptr) - return 0; - FILEHTYPE fd = file->mFd; - if (fd == FILEHDEFAULT) - { - reportAlways("FsDir::write file not opened."); - return 0; - } -#ifdef USE_FILE_FOPEN - return fwrite(buffer, objSize, objCount, fd); -#else // USE_FILE_FOPEN - int max = objSize * objCount; - int cnt = ::write(fd, buffer, max); - if (cnt <= 0) - return cnt; - return cnt / objSize; -#endif // USE_FILE_FOPEN - } - - int64_t fileLength(File *restrict const file) - { - if (file == nullptr) - return -1; - FILEHTYPE fd = file->mFd; - if (fd == FILEHDEFAULT) - { - reportAlways("FsDir::fileLength file not opened."); - return 0; - } -#ifdef USE_FILE_FOPEN - const long pos = ftell(fd); - if (pos < 0) - { - reportAlways("FsDir::fileLength ftell error."); - return -1; - } - fseek(fd, 0, SEEK_END); - const long sz = ftell(fd); - fseek(fd, pos, SEEK_SET); - return sz; -#else // USE_FILE_FOPEN - struct stat statbuf; - if (fstat(fd, &statbuf) == -1) - { - reportAlways("FsDir::fileLength error."); - return -1; - } - return static_cast<int64_t>(statbuf.st_size); -#endif // USE_FILE_FOPEN - } - - int64_t tell(File *restrict const file) - { - if (file == nullptr) - return -1; - - FILEHTYPE fd = file->mFd; - if (fd == FILEHDEFAULT) - { - reportAlways("FsDir::tell file not opened."); - return 0; - } -#ifdef USE_FILE_FOPEN - return ftell(fd); -#else // USE_FILE_FOPEN - return lseek(fd, 0, SEEK_CUR); -#endif // USE_FILE_FOPEN - } - - int seek(File *restrict const file, - const uint64_t pos) - { - if (file == nullptr) - return 0; - - FILEHTYPE fd = file->mFd; - if (fd == FILEHDEFAULT) - { - reportAlways("FsDir::seek file not opened."); - return 0; - } - const int64_t res = FILESEEK(fd, pos, SEEK_SET); - if (res == -1) - return 0; - return 1; - } - - int eof(File *restrict const file) - { - if (file == nullptr) - return -1; - - FILEHTYPE fd = file->mFd; - if (fd == FILEHDEFAULT) - { - reportAlways("FsDir::eof file not opened."); - return 0; - } -#ifdef USE_FILE_FOPEN - const int flag = feof(fd); - if (flag != 0) - return 1; - const int64_t pos = ftell(fd); - const int64_t len = fileLength(file); -#else // USE_FILE_FOPEN - const int64_t pos = lseek(fd, 0, SEEK_CUR); - struct stat statbuf; - if (fstat(fd, &statbuf) == -1) - { - reportAlways("FsDir::fileLength error."); - return -1; - } - const int64_t len = static_cast<int64_t>(statbuf.st_size); -#endif // USE_FILE_FOPEN - return static_cast<int>(pos < 0 || len < 0 || pos >= len); - } - - const char *loadFile(FsEntry *restrict const entry, - std::string filename, - int &restrict fileSize) - { - const DirEntry *const dirEntry = static_cast<DirEntry*>(entry); - const std::string path = dirEntry->rootSubDir + filename; - if (Files::existsLocal(path) == false) - return nullptr; - FILEHTYPE fd = FILEOPEN(path.c_str(), - FILEOPEN_FLAG_READ); - if (fd == FILEHDEFAULT) - { - reportAlways("VirtFs::loadFile file open error: %s", - filename.c_str()); - return nullptr; - } - - logger->log("Loaded %s/%s", - dirEntry->userDir.c_str(), - filename.c_str()); - -#ifdef USE_FILE_FOPEN - fseek(fd, 0, SEEK_END); - const long sz = ftell(fd); - if (sz < 0) - { - reportAlways("FsDir::fileLength ftell error."); - if (fd != FILEHDEFAULT) - FILECLOSE(fd); - return nullptr; - } - fseek(fd, 0, SEEK_SET); - fileSize = static_cast<int>(sz); -#else // USE_FILE_FOPEN - struct stat statbuf; - if (fstat(fd, &statbuf) == -1) - { - reportAlways("FsDir::fileLength error."); - if (fd != FILEHDEFAULT) - FILECLOSE(fd); - return nullptr; - } - fileSize = static_cast<int>(statbuf.st_size); -#endif // USE_FILE_FOPEN - - // Allocate memory and load the file - char *restrict const buffer = new char[CAST_SIZE(fileSize)]; - if (fileSize > 0) - buffer[fileSize - 1] = 0; - -#ifdef USE_FILE_FOPEN - const int cnt = CAST_S32(fread(buffer, 1, fileSize, fd)); -#else // USE_FILE_FOPEN - const int cnt = ::read(fd, buffer, fileSize); -#endif // USE_FILE_FOPEN - - if (cnt <= 0) - { - delete [] buffer; - if (fd != FILEHDEFAULT) - FILECLOSE(fd); - return nullptr; - } - - if (fd != FILEHDEFAULT) - FILECLOSE(fd); - - return buffer; - } - - void getFiles(FsEntry *restrict const entry, - std::string dirName, - StringVect &names) - { - const std::string path = static_cast<DirEntry*>(entry)->rootSubDir + - dirName; - const struct dirent *next_file = nullptr; - DIR *const dir = opendir(path.c_str()); - if (dir != nullptr) - { - while ((next_file = readdir(dir)) != nullptr) - { - struct stat statbuf; - const std::string file = next_file->d_name; - if (file == "." || file == "..") - continue; -#ifndef WIN32 - if (mPermitLinks == false) - { - if (lstat(path.c_str(), &statbuf) == 0 && - S_ISLNK(statbuf.st_mode) != 0) - { - continue; - } - } -#endif // WIN32 - - const std::string filePath = pathJoin(path, file); - if (stat(filePath.c_str(), &statbuf) == 0) - { - if (S_ISDIR(statbuf.st_mode) != 0) - continue; - } - - bool found(false); - FOR_EACH (StringVectCIter, itn, names) - { - if (*itn == file) - { - found = true; - break; - } - } - if (found == false) - names.push_back(file); - } - closedir(dir); - } - } - - void getFilesWithDir(FsEntry *restrict const entry, - const std::string &dirName, - StringVect &names) - { - const std::string path = static_cast<DirEntry*>(entry)->rootSubDir + - dirName; - const struct dirent *next_file = nullptr; - DIR *const dir = opendir(path.c_str()); - if (dir != nullptr) - { - while ((next_file = readdir(dir)) != nullptr) - { - struct stat statbuf; - const std::string file = next_file->d_name; - if (file == "." || file == "..") - continue; -#ifndef WIN32 - if (mPermitLinks == false) - { - if (lstat(path.c_str(), &statbuf) == 0 && - S_ISLNK(statbuf.st_mode) != 0) - { - continue; - } - } -#endif // WIN32 - - const std::string filePath = pathJoin(path, file); - if (stat(filePath.c_str(), &statbuf) == 0) - { - if (S_ISDIR(statbuf.st_mode) != 0) - continue; - } - - bool found(false); - FOR_EACH (StringVectCIter, itn, names) - { - if (*itn == file) - { - found = true; - break; - } - } - if (found == false) - names.push_back(pathJoin(dirName, file)); - } - closedir(dir); - } - } - - void getDirs(FsEntry *restrict const entry, - std::string dirName, - StringVect &names) - { - const std::string path = static_cast<DirEntry*>(entry)->rootSubDir + - dirName; - const struct dirent *next_file = nullptr; - DIR *const dir = opendir(path.c_str()); - if (dir != nullptr) - { - while ((next_file = readdir(dir)) != nullptr) - { - struct stat statbuf; - const std::string file = next_file->d_name; - if (file == "." || file == "..") - continue; -#ifndef WIN32 - if (mPermitLinks == false) - { - if (lstat(path.c_str(), &statbuf) == 0 && - S_ISLNK(statbuf.st_mode) != 0) - { - continue; - } - } -#endif // WIN32 - - const std::string filePath = pathJoin(path, file); - if (stat(filePath.c_str(), &statbuf) == 0) - { - if (S_ISDIR(statbuf.st_mode) == 0) - continue; - } - - bool found(false); - FOR_EACH (StringVectCIter, itn, names) - { - if (*itn == file) - { - found = true; - break; - } - } - if (found == false) - names.push_back(file); - } - closedir(dir); - } - } -} // namespace FsDir - -} // namespace VirtFs |