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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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/* Header file for the SCI console.
** Please note that the console does not use the priority field; the console
** should therefore be drawn after everything else has been drawn (with the
** possible exception of the mouse pointer).
*/
#ifndef SCI_SCICORE_SCICONSOLE_H
#define SCI_SCICORE_SCICONSOLE_H
#include "common/scummsys.h"
#include "sci/tools.h"
#include "sci/engine/state.h"
#include "sci/engine/vm_types.h"
#define SCI_CONSOLE
namespace Sci {
struct gfx_pixmap_t;
union cmd_param_t {
int32 val;
const char *str;
reg_t reg;
};
typedef int (*ConCommand)(EngineState *s, const Common::Array<cmd_param_t> &cmdParams);
/*** FUNCTION DEFINITIONS ***/
void con_init();
/* Initializes the command parser
** Parameters: (void)
** Returns : (void)
** This function will initialize hook up a few commands to the parser.
** It must be called before cmdParse() is used.
*/
void con_parse(EngineState *s, const char *command);
/* Parses a command and summons appropriate facilities to handle it
** Parameters: (EngineState *) s: The EngineState to use
** command: The command to execute
** Returns : (void)
*/
int con_hook_command(ConCommand command, const char *name, const char *param, const char *description);
/* Adds a command to the parser's command list
** Parameters: command: The command to add
** name: The command's name
** param: A description of the parameters it takes
** description: A short description of what it does
** Returns : 0 if successful, 1 if appending failed because
** of an incorrect *param string, 'command'==0, or
** 'name' already being in use.
** A valid param string is either empty (no parameters allowed)
** or contains one of the following tokens:
** ! Special token: EngineState* must be set for this function to be called
** i (an int)
** s (a 'string' (char *))
** h (a byte, described in hexadecimal digits)
** a (a heap address, register or object name)
** r (any register value)
** x* (an arbitrary (possibly 0) number of 'x' tokens)
** The '*' token may only be used as the last token of the list.
** Another way to specify optional parameters is by means of the
** '-opt:t' notation, which allows an optional parameter of type 't'
** to be specified as 'opt:<value>' when calling. See also the
** con_hasopt() and con_getopt() calls.
**
** Please note that the 'h' type does accept hexadecimal numbers greater
** than 0xff and less than 0x00, but clips them to this range.
**
** Example: "isi*" would define the function to take an int, a
** string, and an arbitrary number of ints as parameters (in that sequence).
**
** When the function is called, it can retrieve its parameters from cmd_params;
** the actual number of parameters is stored in cmd_paramlength.
** It is allowed to modify the char*s from a cmd_params[] element, as long
** as no element beyond strlen(cmd_params[x].str)+1 is accessed.
*/
int con_hook_page(const char *topic, const char *body);
/* Hooks a general information page to the manual page system
** Parameters: (const char *) topic: The topic name
** (const char *) body: The text body to assign to the topic
** Returns : (int) 0 on success
*/
int con_hook_int(int *pointer, const char *name, const char *description);
/* Adds an int to the list of modifyable ints.
** Parameters: pointer: Pointer to the int to add to the list
** name: Name for this value
** description: A short description for the value
** Returns : 0 on success, 1 if either value has already been added
** or if name is already being used for a different value.
** The internal list of int references is used by some of the basic commands.
*/
} // End of namespace Sci
#endif // SCI_SCICORE_SCICONSOLE_H
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