Merged revisions 32507-32513,32516,32518,32520-32521,32523-32524,32526-32548,32550-32562 via svnmerge from

https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk

svn-id: r32563

1 files changed, 196 insertions, 0 deletions

diff --git a/backends/fs/wii/wii-fs.cpp b/backends/fs/wii/wii-fs.cpp
new file mode 100644
index 0000000000..e6d0cf4c7e
--- /dev/null
+++ b/backends/fs/wii/wii-fs.cpp
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+/* 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(__WII__)
+
+#include "backends/fs/abstract-fs.h"
+
+#include <sys/dir.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+/**
+ * Implementation of the ScummVM file system API based on Wii.
+ *
+ * Parts of this class are documented in the base interface class, AbstractFilesystemNode.
+ */
+class WiiFilesystemNode : public AbstractFilesystemNode {
+protected:
+	String _displayName;
+	String _path;
+	bool _isDirectory, _isReadable, _isWritable;
+
+public:
+	/**
+	 * Creates a WiiFilesystemNode with the root node as path.
+	 */
+	WiiFilesystemNode();
+
+	/**
+	 * Creates a WiiFilesystemNode for a given path.
+	 *
+	 * @param path String with the path the new node should point to.
+	 * @param verify true if the isValid and isDirectory flags should be verified during the construction.
+	 */
+	WiiFilesystemNode(const String &path, bool verify);
+
+	virtual bool exists() const;
+	virtual String getDisplayName() const { return _displayName; }
+	virtual String getName() const { return _displayName; }
+	virtual String getPath() const { return _path; }
+	virtual bool isDirectory() const { return _isDirectory; }
+	virtual bool isReadable() const { return _isReadable; }
+	virtual bool isWritable() const { return _isWritable; }
+
+	virtual AbstractFilesystemNode *getChild(const String &n) const;
+	virtual bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const;
+	virtual AbstractFilesystemNode *getParent() const;
+
+private:
+	virtual void setFlags();
+};
+
+/**
+ * Returns the last component of a given path.
+ *
+ * Examples:
+ *						/foo/bar.txt would return /bar.txt
+ *						/foo/bar/	 would return /bar/
+ *
+ * @param str String containing the path.
+ * @return Pointer to the first char of the last component inside str.
+ */
+const char *lastPathComponent(const Common::String &str) {
+	if(str.empty())
+		return "";
+
+	const char *start = str.c_str();
+	const char *cur = start + str.size() - 2;
+
+	while (cur >= start && *cur != '/') {
+		--cur;
+	}
+
+	return cur + 1;
+}
+
+void WiiFilesystemNode::setFlags() {
+	struct stat st;
+
+	_isDirectory = false;
+	_isReadable = false;
+	_isWritable = false;
+
+	if (!stat(_path.c_str(), &st)) {
+		_isDirectory = S_ISDIR(st.st_mode);
+		_isReadable = (st.st_mode & S_IRUSR) > 0;
+		_isWritable = (st.st_mode & S_IWUSR) > 0;
+	}
+}
+
+
+WiiFilesystemNode::WiiFilesystemNode() {
+	// The root dir.
+	_path = "fat:/";
+	_displayName = _path;
+
+	setFlags();
+}
+
+WiiFilesystemNode::WiiFilesystemNode(const String &p, bool verify) {
+	assert(p.size() > 0);
+
+	_path = p;
+
+	_displayName = lastPathComponent(_path);
+
+	if (verify)
+		setFlags();
+}
+
+bool WiiFilesystemNode::exists() const {
+	struct stat st;
+	return stat(_path.c_str (), &st) == 0;
+}
+
+AbstractFilesystemNode *WiiFilesystemNode::getChild(const String &n) const {
+	assert(_isDirectory);
+
+	String newPath(_path);
+	if (newPath.lastChar() != '/')
+			newPath += '/';
+	newPath += n;
+
+	return new WiiFilesystemNode(newPath, true);
+}
+
+bool WiiFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
+	assert(_isDirectory);
+
+	DIR_ITER* dp = diropen (_path.c_str());
+
+	if (dp == NULL)
+		return false;
+
+	char filename[MAXPATHLEN];
+	struct stat st;
+
+	while (dirnext(dp, filename, &st) == 0) {
+		if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0)
+			continue;
+
+		String newPath(_path);
+		if (newPath.lastChar() != '/')
+				newPath += '/';
+		newPath += filename;
+
+		bool isDir = S_ISDIR(st.st_mode);
+
+		if ((mode == FilesystemNode::kListFilesOnly && isDir) ||
+			(mode == FilesystemNode::kListDirectoriesOnly && !isDir))
+			continue;
+
+		if (isDir)
+			newPath += '/';
+
+		myList.push_back(new WiiFilesystemNode(newPath, true));
+	}
+
+	dirclose(dp);
+
+	return true;
+}
+
+AbstractFilesystemNode *WiiFilesystemNode::getParent() const {
+	if (_path == "/")
+		return 0;
+
+	const char *start = _path.c_str();
+	const char *end = lastPathComponent(_path);
+
+	return new WiiFilesystemNode(String(start, end - start), true);
+}
+
+#endif //#if defined(__WII__)
+