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-rw-r--r--backends/plugins/ds/ds-provider.cpp108
-rw-r--r--backends/plugins/ds/ds-provider.h43
2 files changed, 151 insertions, 0 deletions
diff --git a/backends/plugins/ds/ds-provider.cpp b/backends/plugins/ds/ds-provider.cpp
new file mode 100644
index 0000000000..c200e212cc
--- /dev/null
+++ b/backends/plugins/ds/ds-provider.cpp
@@ -0,0 +1,108 @@
+/* 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(DYNAMIC_MODULES) && defined(__DS__)
+
+#include "backends/plugins/ds/ds-provider.h"
+#include "backends/plugins/dynamic-plugin.h"
+#include "common/fs.h"
+
+#include "backends/platform/ds/dsloader.h"
+
+
+class DSPlugin : public DynamicPlugin {
+protected:
+ void *_dlHandle;
+ Common::String _filename;
+
+ virtual VoidFunc findSymbol(const char *symbol) {
+ void *func = dlsym(_dlHandle, symbol);
+ if (!func)
+ warning("Failed loading symbol '%s' from plugin '%s' (%s)", symbol, _filename.c_str(), dlerror());
+
+ // FIXME HACK: This is a HACK to circumvent a clash between the ISO C++
+ // standard and POSIX: ISO C++ disallows casting between function pointers
+ // and data pointers, but dlsym always returns a void pointer. For details,
+ // see e.g. <http://www.trilithium.com/johan/2004/12/problem-with-dlsym/>.
+ assert(sizeof(VoidFunc) == sizeof(func));
+ VoidFunc tmp;
+ memcpy(&tmp, &func, sizeof(VoidFunc));
+ return tmp;
+ }
+
+public:
+ DSPlugin(const Common::String &filename)
+ : _dlHandle(0), _filename(filename) {}
+
+ ~DSPlugin() {
+ if (_dlHandle) unloadPlugin();
+ }
+
+ bool loadPlugin() {
+ assert(!_dlHandle);
+ _dlHandle = dlopen(_filename.c_str(), RTLD_LAZY);
+
+ if (!_dlHandle) {
+ warning("Failed loading plugin '%s' (%s)", _filename.c_str(), dlerror());
+ return false;
+ }
+
+ bool ret = DynamicPlugin::loadPlugin();
+
+ if (ret)
+ dlforgetsyms(_dlHandle);
+
+ return ret;
+ }
+
+ void unloadPlugin() {
+ DynamicPlugin::unloadPlugin();
+ if (_dlHandle) {
+ if (dlclose(_dlHandle) != 0)
+ warning("Failed unloading plugin '%s' (%s)", _filename.c_str(), dlerror());
+ _dlHandle = 0;
+ }
+ }
+};
+
+
+Plugin* DSPluginProvider::createPlugin(const Common::FSNode &node) const {
+ return new DSPlugin(node.getPath());
+}
+
+bool DSPluginProvider::isPluginFilename(const Common::FSNode &node) const {
+ // Check the plugin suffix
+ Common::String filename = node.getName();
+ printf("Testing name %s", filename.c_str());
+ if (!filename.hasSuffix(".PLG") && !filename.hasSuffix(".plg") && !filename.hasSuffix(".PLUGIN") && !filename.hasSuffix(".plugin")) {
+ printf(" fail.\n");
+ return false;
+ }
+
+ printf(" success!\n");
+ return true;
+}
+
+#endif // defined(DYNAMIC_MODULES) && defined(__DS__)
diff --git a/backends/plugins/ds/ds-provider.h b/backends/plugins/ds/ds-provider.h
new file mode 100644
index 0000000000..096c1b87a9
--- /dev/null
+++ b/backends/plugins/ds/ds-provider.h
@@ -0,0 +1,43 @@
+/* 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 BACKENDS_PLUGINS_DS_DS_PROVIDER_H
+#define BACKENDS_PLUGINS_DS_DS_PROVIDER_H
+
+#include "base/plugins.h"
+
+#if defined(DYNAMIC_MODULES) && defined(__DS__)
+
+class DSPluginProvider : public FilePluginProvider {
+protected:
+ Plugin* createPlugin(const Common::FSNode &node) const;
+
+ bool isPluginFilename(const Common::FSNode &node) const;
+
+};
+
+#endif // defined(DYNAMIC_MODULES) && defined(__DS__)
+
+#endif /* BACKENDS_PLUGINS_DS_DS_PROVIDER_H */