Initial revision

svn-id: r4785

scumm/saveload.h

@@ -0,0 +1,101 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef SAVELOAD_H
+#define SAVELOAD_H
+
+enum {
+	sleByte = 1,
+	sleUint8 = 1,
+	sleInt8 = 1,
+	sleInt16 = 2,
+	sleUint16 = 3,
+	sleInt32 = 4,
+	sleUint32 = 5
+};
+
+struct SaveLoadEntry {
+	uint32 offs;
+	uint8 type;
+	uint8 size;
+};
+
+struct SerializerStream {
+#ifdef NONSTANDARD_SAVE
+	void *context;
+
+	bool fopen(const char *filename, const char *mode);
+	void fclose();
+	int fread(void *buf, int size, int cnt);
+	int fwrite(void *buf, int size, int cnt);
+#else
+	FILE *out;
+
+	FILE *fopen(const char *filename, const char *mode) {
+		return out = ::fopen(filename, mode);
+	}
+	void fclose() {
+		::fclose(out);
+	}
+	int fread(void *buf, int size, int cnt) {
+		return ::fread(buf, size, cnt, out);
+	}
+	int fwrite(void *buf, int size, int cnt) {
+		return ::fwrite(buf, size, cnt, out);
+	}
+#endif
+};
+
+typedef int SerializerSaveReference(void *me, byte type, void *ref);
+typedef void *SerializerLoadReference(void *me, byte type, int ref);
+
+struct Serializer {
+	SerializerStream _saveLoadStream;
+
+	union {
+		SerializerSaveReference *_save_ref;
+		SerializerLoadReference *_load_ref;
+		void *_saveload_ref;
+	};
+	void *_ref_me;
+
+	bool _saveOrLoad;
+
+	void saveLoadBytes(void *b, int len);
+	void saveLoadArrayOf(void *b, int len, int datasize, byte filetype);
+	void saveLoadEntries(void *d, const SaveLoadEntry *sle);
+	void saveLoadArrayOf(void *b, int num, int datasize, const SaveLoadEntry *sle);
+
+	void saveUint32(uint32 d);
+	void saveWord(uint16 d);
+	void saveByte(byte b);
+
+	byte loadByte();
+	uint16 loadWord();
+	uint32 loadUint32();
+
+	bool isSaving() { return _saveOrLoad; }
+
+	bool checkEOFLoadStream();
+
+};
+
+#endif