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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file console_internal.h Internally used functions for the console. */
#ifndef CONSOLE_INTERNAL_H
#define CONSOLE_INTERNAL_H
#include "console_type.h"
static const uint ICON_CMDLN_SIZE = 1024; ///< maximum length of a typed in command
static const uint ICON_MAX_STREAMSIZE = 2048; ///< maximum length of a totally expanded command
/** Return values of console hooks (#IConsoleHook). */
enum ConsoleHookResult {
CHR_ALLOW, ///< Allow command execution.
CHR_DISALLOW, ///< Disallow command execution.
CHR_HIDE, ///< Hide the existence of the command.
};
/**
* --Commands--
* Commands are commands, or functions. They get executed once and any
* effect they produce are carried out. The arguments to the commands
* are given to them, each input word seperated by a double-quote (") is an argument
* If you want to handle multiple words as one, enclose them in double-quotes
* eg. 'say "hello sexy boy"'
*/
typedef bool IConsoleCmdProc(byte argc, char *argv[]);
typedef ConsoleHookResult IConsoleHook(bool echo);
struct IConsoleCmd {
char *name; ///< name of command
IConsoleCmd *next; ///< next command in list
IConsoleCmdProc *proc; ///< process executed when command is typed
IConsoleHook *hook; ///< any special trigger action that needs executing
};
/**
* --Aliases--
* Aliases are like shortcuts for complex functions, variable assignments,
* etc. You can use a simple alias to rename a longer command (eg 'set' for
* 'setting' for example), or concatenate more commands into one
* (eg. 'ng' for 'load %A; unpause; debug_level 5'). Aliases can parse the arguments
* given to them in the command line.
* - "%A - %Z" substitute arguments 1 t/m 26
* - "%+" lists all parameters keeping them seperated
* - "%!" also lists all parameters but presenting them to the aliased command as one argument
* - ";" allows for combining commands (see example 'ng')
*/
struct IConsoleAlias {
char *name; ///< name of the alias
IConsoleAlias *next; ///< next alias in list
char *cmdline; ///< command(s) that is/are being aliased
};
/* console parser */
extern IConsoleCmd *_iconsole_cmds; ///< List of registered commands.
extern IConsoleAlias *_iconsole_aliases; ///< List of registered aliases.
/* console functions */
void IConsoleClearBuffer();
/* Commands */
void IConsoleCmdRegister(const char *name, IConsoleCmdProc *proc, IConsoleHook *hook = NULL);
void IConsoleAliasRegister(const char *name, const char *cmd);
IConsoleCmd *IConsoleCmdGet(const char *name);
IConsoleAlias *IConsoleAliasGet(const char *name);
/* console std lib (register ingame commands/aliases) */
void IConsoleStdLibRegister();
/* Supporting functions */
bool GetArgumentInteger(uint32 *value, const char *arg);
void IConsoleGUIInit();
void IConsoleGUIFree();
void IConsoleGUIPrint(ConsoleColour colour_code, char *string);
#endif /* CONSOLE_INTERNAL_H */
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