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author | Bastien Bouclet | 2019-10-13 20:58:19 +0200 |
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committer | Bastien Bouclet | 2019-10-14 21:22:23 +0200 |
commit | f22e07825f9dfeec96edffe8ef435ffbfb75ef84 (patch) | |
tree | b92b7e9287659d624c1d003a23bcb3dcdcc90988 /backends/fs | |
parent | 904a00f4463ea4749dba8e354b8dfd8c53074a8d (diff) | |
download | scummvm-rg350-f22e07825f9dfeec96edffe8ef435ffbfb75ef84.tar.gz scummvm-rg350-f22e07825f9dfeec96edffe8ef435ffbfb75ef84.tar.bz2 scummvm-rg350-f22e07825f9dfeec96edffe8ef435ffbfb75ef84.zip |
3DS: Embed ScummVM's support files in the package
Diffstat (limited to 'backends/fs')
-rw-r--r-- | backends/fs/posix-drives/posix-drives-fs-factory.cpp | 50 | ||||
-rw-r--r-- | backends/fs/posix-drives/posix-drives-fs-factory.h | 54 | ||||
-rw-r--r-- | backends/fs/posix-drives/posix-drives-fs.cpp | 136 | ||||
-rw-r--r-- | backends/fs/posix-drives/posix-drives-fs.h | 56 |
4 files changed, 296 insertions, 0 deletions
diff --git a/backends/fs/posix-drives/posix-drives-fs-factory.cpp b/backends/fs/posix-drives/posix-drives-fs-factory.cpp new file mode 100644 index 0000000000..709b57c698 --- /dev/null +++ b/backends/fs/posix-drives/posix-drives-fs-factory.cpp @@ -0,0 +1,50 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 (at your option) 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#if defined(POSIX) + +#define FORBIDDEN_SYMBOL_ALLOW_ALL + +#include "backends/fs/posix-drives/posix-drives-fs-factory.h" +#include "backends/fs/posix-drives/posix-drives-fs.h" + +#include <unistd.h> + +void DrivesPOSIXFilesystemFactory::addDrive(const Common::String &name) { + _drives.push_back(Common::normalizePath(name, '/')); +} + +AbstractFSNode *DrivesPOSIXFilesystemFactory::makeRootFileNode() const { + return new DrivePOSIXFilesystemNode(_drives); +} + +AbstractFSNode *DrivesPOSIXFilesystemFactory::makeCurrentDirectoryFileNode() const { + char buf[MAXPATHLEN]; + return getcwd(buf, MAXPATHLEN) ? new DrivePOSIXFilesystemNode(buf, _drives) : nullptr; +} + +AbstractFSNode *DrivesPOSIXFilesystemFactory::makeFileNodePath(const Common::String &path) const { + assert(!path.empty()); + return new DrivePOSIXFilesystemNode(path, _drives); +} + +#endif diff --git a/backends/fs/posix-drives/posix-drives-fs-factory.h b/backends/fs/posix-drives/posix-drives-fs-factory.h new file mode 100644 index 0000000000..08b8b6973d --- /dev/null +++ b/backends/fs/posix-drives/posix-drives-fs-factory.h @@ -0,0 +1,54 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 (at your option) 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef POSIX_DRIVES_FILESYSTEM_FACTORY_H +#define POSIX_DRIVES_FILESYSTEM_FACTORY_H + +#include "backends/fs/fs-factory.h" + +/** + * A FilesystemFactory implementation for filesystems with a special + * top-level directory with hard-coded entries but that otherwise + * implement the POSIX APIs. + * + * For used with paths like these: + * - 'sdcard:/games/scummvm.ini' + * - 'hdd1:/usr/bin' + */ +class DrivesPOSIXFilesystemFactory : public FilesystemFactory { +public: + /** + * Add a drive to the top-level directory + */ + void addDrive(const Common::String &name); + +protected: + // FilesystemFactory API + AbstractFSNode *makeRootFileNode() const override; + AbstractFSNode *makeCurrentDirectoryFileNode() const override; + AbstractFSNode *makeFileNodePath(const Common::String &path) const override; + +private: + Common::Array<Common::String> _drives; +}; + +#endif diff --git a/backends/fs/posix-drives/posix-drives-fs.cpp b/backends/fs/posix-drives/posix-drives-fs.cpp new file mode 100644 index 0000000000..683ab190ae --- /dev/null +++ b/backends/fs/posix-drives/posix-drives-fs.cpp @@ -0,0 +1,136 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 (at your option) 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#if defined(POSIX) + +#define FORBIDDEN_SYMBOL_ALLOW_ALL + +#include "backends/fs/posix-drives/posix-drives-fs.h" +#include "common/algorithm.h" + +#include <dirent.h> + +DrivePOSIXFilesystemNode::DrivePOSIXFilesystemNode(const Common::String &path, const DrivesArray &drives) : + POSIXFilesystemNode(path), + _isPseudoRoot(false), + _drives(drives) { + + if (isDrive(path)) { + _isDirectory = true; + _isValid = true; + + // FIXME: Add a setting for deciding whether drive paths need to end with a slash + if (!_path.hasSuffix("/")) { + _path += "/"; + } + return; + } +} + +DrivePOSIXFilesystemNode::DrivePOSIXFilesystemNode(const DrivesArray &drives) : + _isPseudoRoot(true), + _drives(drives) { + _isDirectory = true; + _isValid = false; +} + +AbstractFSNode *DrivePOSIXFilesystemNode::getChild(const Common::String &n) const { + if (!_isPseudoRoot) { + return POSIXFilesystemNode::getChild(n); + } + + // Make sure the string contains no slashes + assert(!n.contains('/')); + + Common::String newPath(_path); + if (_path.lastChar() != '/') + newPath += '/'; + newPath += n; + + return makeNode(newPath); +} + +bool DrivePOSIXFilesystemNode::getChildren(AbstractFSList &list, AbstractFSNode::ListMode mode, bool hidden) const { + assert(_isDirectory); + + if (_isPseudoRoot) { + for (uint i = 0; i < _drives.size(); i++) { + list.push_back(makeNode(_drives[i])); + } + + return true; + } else { + DIR *dirp = opendir(_path.c_str()); + struct dirent *dp; + + if (!dirp) + return false; + + while ((dp = readdir(dirp)) != nullptr) { + // Skip 'invisible' files if necessary + if (dp->d_name[0] == '.' && !hidden) { + continue; + } + + // Skip '.' and '..' to avoid cycles + if ((dp->d_name[0] == '.' && dp->d_name[1] == 0) || (dp->d_name[0] == '.' && dp->d_name[1] == '.')) { + continue; + } + + AbstractFSNode *child = getChild(dp->d_name); + + // Honor the chosen mode + if ((mode == Common::FSNode::kListFilesOnly && child->isDirectory()) || + (mode == Common::FSNode::kListDirectoriesOnly && !child->isDirectory())) { + delete child; + continue; + } + + list.push_back(child); + } + + closedir(dirp); + + return true; + } +} + +AbstractFSNode *DrivePOSIXFilesystemNode::getParent() const { + if (_isPseudoRoot) { + return nullptr; + } + + if (isDrive(_path)) { + DrivePOSIXFilesystemNode *root = new DrivePOSIXFilesystemNode(_drives); + return root; + } + + return POSIXFilesystemNode::getParent(); +} + +bool DrivePOSIXFilesystemNode::isDrive(const Common::String &path) const { + Common::String normalizedPath = Common::normalizePath(path, '/'); + DrivesArray::const_iterator drive = Common::find(_drives.begin(), _drives.end(), normalizedPath); + return drive != _drives.end(); +} + +#endif //#if defined(POSIX) diff --git a/backends/fs/posix-drives/posix-drives-fs.h b/backends/fs/posix-drives/posix-drives-fs.h new file mode 100644 index 0000000000..43c89423fa --- /dev/null +++ b/backends/fs/posix-drives/posix-drives-fs.h @@ -0,0 +1,56 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 (at your option) 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef POSIX_DRIVES_FILESYSTEM_H +#define POSIX_DRIVES_FILESYSTEM_H + +#include "backends/fs/posix/posix-fs.h" + +/** + * POSIX file system node where the top-level directory is a hardcoded + * list of drives. + */ +class DrivePOSIXFilesystemNode : public POSIXFilesystemNode { +protected: + AbstractFSNode *makeNode(const Common::String &path) const override { + return new DrivePOSIXFilesystemNode(path, _drives); + } + +public: + typedef Common::Array<Common::String> DrivesArray; + + DrivePOSIXFilesystemNode(const Common::String &path, const DrivesArray &drives); + DrivePOSIXFilesystemNode(const DrivesArray &drives); + + // POSIXFilesystemNode API + AbstractFSNode *getChild(const Common::String &n) const override; + bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const override; + AbstractFSNode *getParent() const override; + +private: + bool _isPseudoRoot; + const DrivesArray &_drives; + + bool isDrive(const Common::String &path) const; +}; + +#endif |