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engines/bagel/mfc/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/file.h"
+#include "common/textconsole.h"
+#include "bagel/mfc/afxwin.h"
+
+namespace Bagel {
+namespace MFC {
+
+IMPLEMENT_DYNAMIC(CFile, CObject)
+
+CFile::CFile(const char *lpszFileName, unsigned int nOpenFlags) {
+	if (!Open(lpszFileName, nOpenFlags))
+		error("Could not open - %s", lpszFileName);
+}
+
+bool CFile::Open(const char *lpszFileName, unsigned int nOpenFlags, CFileException *pError) {
+	Close();
+
+	Common::SeekableReadStream *rs = OpenFile(lpszFileName);
+
+	if (rs)
+		_stream = rs;
+
+	return rs != nullptr;
+}
+
+void CFile::Close() {
+	delete _stream;
+	_stream = nullptr;
+}
+
+void CFile::Abort() {
+	error("TODO: CFile::Abort");
+}
+
+Common::SeekableReadStream *CFile::readStream() const {
+	Common::SeekableReadStream *rs = dynamic_cast <
+	                                 Common::SeekableReadStream * > (_stream);
+	assert(rs);
+	return rs;
+}
+
+Common::WriteStream *CFile::writeStream() const {
+	Common::WriteStream *ws = dynamic_cast <
+	                          Common::WriteStream * > (_stream);
+	assert(ws);
+	return ws;
+}
+
+uint64 CFile::SeekToEnd() {
+	return readStream()->seek(0, SEEK_END);
+}
+
+void CFile::SeekToBegin() {
+	readStream()->seek(0);
+}
+
+uint64 CFile::Seek(int64 lOff, unsigned int nFrom) {
+	return readStream()->seek(lOff, nFrom);
+}
+
+uint64 CFile::GetLength() const {
+	return readStream()->size();
+}
+
+uint64 CFile::GetPosition() const {
+	return readStream()->pos();
+}
+
+unsigned int CFile::Read(void *lpBuf, unsigned int nCount) {
+	return readStream()->read(lpBuf, nCount);
+}
+
+void CFile::Write(const void *lpBuf, unsigned int nCount) {
+	writeStream()->write(lpBuf, nCount);
+}
+
+Common::SeekableReadStream *CFile::detach() {
+	Common::SeekableReadStream *result = readStream();
+	_stream = nullptr;
+	return result;
+}
+
+} // namespace MFC
+} // namespace Bagel