3DS: Embed ScummVM's support files in the package

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