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engines/ags/engine/ac/file.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/>.
+ *
+ */
+
+//=============================================================================
+//
+// Script File API implementation.
+//
+//=============================================================================
+
+#ifndef AGS_ENGINE_AC_FILE_H
+#define AGS_ENGINE_AC_FILE_H
+
+#include "common/std/memory.h"
+#include "ags/engine/ac/dynobj/script_file.h"
+#include "ags/engine/ac/runtime_defines.h"
+
+namespace AGS3 {
+
+using AGS::Shared::Stream;
+
+int     File_Exists(const char *fnmm);
+int     File_Delete(const char *fnmm);
+void *sc_OpenFile(const char *fnmm, int mode);
+const char *File_ResolvePath(const char *fnmm);
+void    File_Close(sc_File *fil);
+void    File_WriteString(sc_File *fil, const char *towrite);
+void    File_WriteInt(sc_File *fil, int towrite);
+void    File_WriteRawChar(sc_File *fil, int towrite);
+void    File_WriteRawInt(sc_File *fil, int towrite);
+void    File_WriteRawLine(sc_File *fil, const char *towrite);
+void    File_ReadRawLine(sc_File *fil, char *buffer);
+const char *File_ReadRawLineBack(sc_File *fil);
+void    File_ReadString(sc_File *fil, char *toread);
+const char *File_ReadStringBack(sc_File *fil);
+int     File_ReadInt(sc_File *fil);
+int     File_ReadRawChar(sc_File *fil);
+int     File_ReadRawInt(sc_File *fil);
+int     File_Seek(sc_File *fil, int offset, int origin);
+int     File_GetEOF(sc_File *fil);
+int     File_GetError(sc_File *fil);
+int     File_GetPosition(sc_File *fil);
+
+struct ScriptFileHandle {
+	std::unique_ptr<Stream> stream;
+	int32_t  handle = 0;
+};
+
+ScriptFileHandle *check_valid_file_handle_ptr(Stream *stream_ptr, const char *operation_name);
+ScriptFileHandle *check_valid_file_handle_int32(int32_t handle, const char *operation_name);
+Stream *get_valid_file_stream_from_handle(int32_t handle, const char *operation_name);
+
+} // namespace AGS3
+
+#endif