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authorMarcus Comstedt2008-03-01 15:45:54 +0000
committerMarcus Comstedt2008-03-01 15:45:54 +0000
commit964caae2ddc681eec5bd7353a162f584c4fef7d8 (patch)
tree077d3c87a0d360516a7eeeb524a98ccad2a0f3c9 /backends/platform/dc
parent85b61f3d1032fb5c70ce4a4e23a68b1dd05d2b8f (diff)
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Moved Dreamcast filesystem factory to platform directory.
svn-id: r31021
Diffstat (limited to 'backends/platform/dc')
-rw-r--r--backends/platform/dc/Makefile2
-rw-r--r--backends/platform/dc/dc-fs.cpp193
-rw-r--r--backends/platform/dc/dc.h4
-rw-r--r--backends/platform/dc/ronincd-fs-factory.cpp40
-rw-r--r--backends/platform/dc/ronincd-fs-factory.h44
5 files changed, 282 insertions, 1 deletions
diff --git a/backends/platform/dc/Makefile b/backends/platform/dc/Makefile
index e40445b515..26088cdf17 100644
--- a/backends/platform/dc/Makefile
+++ b/backends/platform/dc/Makefile
@@ -35,7 +35,7 @@ POST_OBJS_FLAGS = -Wl,--no-whole-archive
endif
OBJS := dcmain.o time.o display.o audio.o input.o selector.o icon.o \
- label.o vmsave.o softkbd.o dcloader.o cache.o
+ label.o vmsave.o softkbd.o dcloader.o cache.o ronincd-fs-factory.o
MODULE_DIRS += .
diff --git a/backends/platform/dc/dc-fs.cpp b/backends/platform/dc/dc-fs.cpp
new file mode 100644
index 0000000000..16b77857c0
--- /dev/null
+++ b/backends/platform/dc/dc-fs.cpp
@@ -0,0 +1,193 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#if defined(__DC__)
+
+#include "backends/fs/abstract-fs.h"
+
+#include <ronin/cdfs.h>
+#include <stdio.h>
+#include <unistd.h>
+
+/**
+ * Implementation of the ScummVM file system API based on Ronin.
+ *
+ * Parts of this class are documented in the base interface class, AbstractFilesystemNode.
+ */
+class RoninCDFilesystemNode : public AbstractFilesystemNode {
+protected:
+ String _displayName;
+ String _path;
+ bool _isDirectory;
+ bool _isValid;
+
+public:
+ /**
+ * Creates a RoninCDFilesystemNode with the root node as path.
+ */
+ RoninCDFilesystemNode();
+
+ /**
+ * Creates a RoninCDFilesystemNode 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.
+ */
+ RoninCDFilesystemNode(const String &path, bool verify);
+
+ virtual bool exists() const { return _isValid; }
+ 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 true; }
+ virtual bool isWritable() const { return false; }
+
+ virtual AbstractFilesystemNode *getChild(const String &n) const;
+ virtual bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const;
+ virtual AbstractFilesystemNode *getParent() const;
+};
+
+/**
+ * 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;
+}
+
+RoninCDFilesystemNode::RoninCDFilesystemNode() {
+ // The root dir.
+ _path = "/";
+ _displayName = _path;
+ _isValid = true;
+ _isDirectory = true;
+}
+
+RoninCDFilesystemNode::RoninCDFilesystemNode(const String &p, bool verify) {
+ assert(p.size() > 0);
+
+ _path = p;
+ _displayName = lastPathComponent(_path);
+ _isValid = true;
+ _isDirectory = true;
+
+ if (verify) {
+ int fd;
+
+ if ((fd = open(_path.c_str(), O_RDONLY)) >= 0) {
+ close(fd);
+ _isDirectory = false;
+ }
+ else if ((fd = open(_path.c_str(), O_DIR|O_RDONLY)) >= 0) {
+ close(fd);
+ }
+ else {
+ _isValid = false;
+ }
+ }
+}
+
+AbstractFilesystemNode *RoninCDFilesystemNode::getChild(const String &n) const {
+ // FIXME: Pretty lame implementation! We do no error checking to speak
+ // of, do not check if this is a special node, etc.
+ assert(_isDirectory);
+
+ String newPath(_path);
+ if (_path.lastChar() != '/')
+ newPath += '/';
+ newPath += n;
+
+ return new RoninCDFilesystemNode(newPath, true);
+}
+
+bool RoninCDFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
+ assert(_isDirectory);
+
+ //TODO: honor the hidden flag
+
+ DIR *dirp = opendir(_path.c_str());
+ struct dirent *dp;
+
+ if (dirp == NULL)
+ return false;
+
+ // ... loop over dir entries using readdir
+ while ((dp = readdir(dirp)) != NULL) {
+ String newPath(_path);
+ if (newPath.lastChar() != '/')
+ newPath += '/';
+ newPath += dp->d_name;
+
+ RoninCDFilesystemNode entry(newPath, false);
+
+ entry._isDirectory = dp->d_size < 0;
+
+ // Skip files that are invalid for some reason (e.g. because we couldn't
+ // properly stat them).
+ if (!entry._isValid)
+ continue;
+
+ // Honor the chosen mode
+ if ((mode == FilesystemNode::kListFilesOnly && entry._isDirectory) ||
+ (mode == FilesystemNode::kListDirectoriesOnly && !entry._isDirectory))
+ continue;
+
+ if (entry._isDirectory)
+ entry._path += "/";
+
+ myList.push_back(new RoninCDFilesystemNode(entry));
+ }
+ closedir(dirp);
+
+ return true;
+}
+
+AbstractFilesystemNode *RoninCDFilesystemNode::getParent() const {
+ if (_path == "/")
+ return 0;
+
+ const char *start = _path.c_str();
+ const char *end = lastPathComponent(_path);
+
+ return new RoninCDFilesystemNode(String(start, end - start), false);
+}
+
+#endif // defined(__DC__)
diff --git a/backends/platform/dc/dc.h b/backends/platform/dc/dc.h
index c70e788275..8d16e59bb7 100644
--- a/backends/platform/dc/dc.h
+++ b/backends/platform/dc/dc.h
@@ -27,6 +27,7 @@
#include <graphics/surface.h>
#include <ronin/soundcommon.h>
#include "backends/timer/default/default-timer.h"
+#include "ronincd-fs-factory.h"
#define NUM_BUFFERS 4
#define SOUND_BUFFER_SHIFT 3
@@ -182,6 +183,8 @@ class OSystem_Dreamcast : public OSystem {
// Extra SoftKbd support
void mouseToSoftKbd(int x, int y, int &rx, int &ry) const;
+ // Filesystem
+ FilesystemFactory *getFilesystemFactory() { return &_fileSystemFactory; }
private:
@@ -189,6 +192,7 @@ class OSystem_Dreamcast : public OSystem {
Audio::Mixer *_mixer;
DefaultTimerManager *_timer;
SoftKeyboard _softkbd;
+ RoninCDFilesystemFactory _fileSystemFactory;
int _ms_cur_x, _ms_cur_y, _ms_cur_w, _ms_cur_h, _ms_old_x, _ms_old_y;
int _ms_hotspot_x, _ms_hotspot_y, _ms_visible, _devpoll;
diff --git a/backends/platform/dc/ronincd-fs-factory.cpp b/backends/platform/dc/ronincd-fs-factory.cpp
new file mode 100644
index 0000000000..8980436cf0
--- /dev/null
+++ b/backends/platform/dc/ronincd-fs-factory.cpp
@@ -0,0 +1,40 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#if defined(__DC__)
+#include "ronincd-fs-factory.h"
+#include "dc-fs.cpp"
+
+AbstractFilesystemNode *RoninCDFilesystemFactory::makeRootFileNode() const {
+ return new RoninCDFilesystemNode();
+}
+
+AbstractFilesystemNode *RoninCDFilesystemFactory::makeCurrentDirectoryFileNode() const {
+ return new RoninCDFilesystemNode();
+}
+
+AbstractFilesystemNode *RoninCDFilesystemFactory::makeFileNodePath(const String &path) const {
+ return new RoninCDFilesystemNode(path, true);
+}
+#endif
diff --git a/backends/platform/dc/ronincd-fs-factory.h b/backends/platform/dc/ronincd-fs-factory.h
new file mode 100644
index 0000000000..7763b2bb9f
--- /dev/null
+++ b/backends/platform/dc/ronincd-fs-factory.h
@@ -0,0 +1,44 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef RONINCD_FILESYSTEM_FACTORY_H
+#define RONINCD_FILESYSTEM_FACTORY_H
+
+#include "backends/fs/fs-factory.h"
+
+/**
+ * Creates RoninCDFilesystemNode objects.
+ *
+ * Parts of this class are documented in the base interface class, FilesystemFactory.
+ */
+class RoninCDFilesystemFactory : public FilesystemFactory {
+public:
+ typedef Common::String String;
+
+ virtual AbstractFilesystemNode *makeRootFileNode() const;
+ virtual AbstractFilesystemNode *makeCurrentDirectoryFileNode() const;
+ virtual AbstractFilesystemNode *makeFileNodePath(const String &path) const;
+};
+
+#endif /*RONINCD_FILESYSTEM_FACTORY_H*/