Initial commit

engines/ultima/shared/core/file.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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/util.h"
+#include "ultima/shared/core/file.h"
+#include "ultima/shared/early/ultima_early.h"
+
+namespace Ultima {
+namespace Shared {
+
+#define ERROR error("Could not open file - %s", name.c_str())
+#define PATH_ERROR error("Could not open file - %s", name.toString(Common::Path::kNativeSeparator).c_str())
+
+File::File(const Common::Path &name) : Common::File(), _filesize(-1) {
+	close();
+
+	if (!Common::File::open(name))
+		PATH_ERROR;
+}
+
+bool File::open(const Common::Path &name) {
+	close();
+
+	if (!Common::File::open(name))
+		PATH_ERROR;
+	return true;
+}
+
+bool File::open(const Common::Path &name, Common::Archive &archive) {
+	close();
+
+	if (!Common::File::open(name, archive))
+		PATH_ERROR;
+	return true;
+}
+
+bool File::open(const Common::FSNode &node) {
+	close();
+
+	Common::String name = node.getName();
+	if (!Common::File::open(node))
+		ERROR;
+	return true;
+}
+
+bool File::open(SeekableReadStream *stream, const Common::String &name) {
+	close();
+
+	if (!Common::File::open(stream, name))
+		ERROR;
+	return true;
+}
+
+void File::close() {
+	_filesize = -1;
+	Common::File::close();
+}
+
+bool File::eof() {
+	if (_filesize == -1)
+		_filesize = size();
+
+	return pos() >= _filesize;
+}
+
+} // End of namespace Shared
+} // End of namespace Ultima