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engines/glk/adrift/serialization.h

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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/>.
+ *
+ */
+
+#ifndef ADRIFT_SERIALIZATION_H
+#define ADRIFT_SERIALIZATION_H
+
+#include "common/memstream.h"
+#include "common/str.h"
+#include "glk/adrift/scprotos.h"
+#include "glk/jumps.h"
+
+namespace Glk {
+namespace Adrift {
+
+/**
+ * Saving serializer class
+ */
+class SaveSerializer {
+private:
+	sc_gameref_t _game;
+	sc_write_callbackref_t _callback;
+	void *_opaque;
+	Common::MemoryWriteStreamDynamic _buffer;
+private:
+	/**
+	 * Flush pending buffer contents
+	 */
+	void flush(sc_bool is_final);
+
+	/**
+	 * add a character to the buffer.
+	 */
+	void writeChar(sc_char character);
+
+	/**
+	 * Write a buffer
+	 */
+	void write(const sc_char *buffer, sc_int length);
+
+	/**
+	 * Write a string
+	 */
+	void writeString(const sc_char *string);
+
+	/**
+	 * Write an integer
+	 */
+	void writeInt(sc_int value);
+
+	/**
+	 * Write a special/long integer
+	 */
+	void writeIntSpecial(sc_int value);
+
+	/**
+	 * Write an unsigned integer
+	 */
+	void writeUint(sc_uint value);
+
+	/**
+	 * Write a boolean
+	 */
+	void writeBool(sc_bool boolean);
+public:
+	/**
+	 * Constructor
+	 */
+	SaveSerializer(sc_gameref_t game, sc_write_callbackref_t callback, void *opaque) :
+		_game(game), _callback(callback), _opaque(opaque), _buffer(DisposeAfterUse::YES) {
+		assert(callback);
+	}
+
+	/**
+	 * Save method
+	 */
+	void save();
+};
+
+/**
+ * Loading serializer class
+ */
+class LoadSerializer {
+private:
+	sc_gameref_t _game;
+	sc_read_callbackref_t _callback;
+	void *_opaque;
+	sc_tafref_t ser_tas;
+	sc_int ser_tasline;
+private:
+	/**
+	 * Reads a string
+	 */
+	const sc_char *readString(CONTEXT);
+
+	/**
+	 * Read a signed integer
+	 */
+	sc_int readInt(CONTEXT);
+
+	/**
+	 * Read an unsigned integer
+	 */
+	sc_uint readUint(CONTEXT);
+
+	/**
+	 * Read a boolean
+	 */
+	sc_bool readBool(CONTEXT);
+public:
+	/**
+	 * Constructor
+	 */
+	LoadSerializer(sc_gameref_t game, sc_read_callbackref_t callback, void *opaque) :
+			_game(game), _callback(callback), _opaque(opaque), ser_tas(nullptr), ser_tasline(0) {
+		assert(callback);
+	}
+
+	/**
+	 * Does the loading
+	 */
+	bool load();
+};
+
+} // End of namespace Adrift
+} // End of namespace Glk
+
+#endif