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/* $Id$ */
/** @file console_internal.h Internally used functions for the console. */
#ifndef CONSOLE_INTERNAL_H
#define CONSOLE_INTERNAL_H
#include "console_func.h"
/* maximum length of a typed in command */
#define ICON_CMDLN_SIZE 255
/* maximum length of a totally expanded command */
#define ICON_MAX_STREAMSIZE 1024
enum IConsoleVarTypes {
ICONSOLE_VAR_BOOLEAN,
ICONSOLE_VAR_BYTE,
ICONSOLE_VAR_UINT16,
ICONSOLE_VAR_UINT32,
ICONSOLE_VAR_INT16,
ICONSOLE_VAR_INT32,
ICONSOLE_VAR_STRING
};
enum IConsoleHookTypes {
ICONSOLE_HOOK_ACCESS,
ICONSOLE_HOOK_PRE_ACTION,
ICONSOLE_HOOK_POST_ACTION
};
/** --Hooks--
* Hooks are certain triggers get get accessed/executed on either
* access, before execution/change or after execution/change. This allows
* for general flow of permissions or special action needed in some cases
*/
typedef bool IConsoleHook();
struct IConsoleHooks{
IConsoleHook *access; ///< trigger when accessing the variable/command
IConsoleHook *pre; ///< trigger before the variable/command is changed/executed
IConsoleHook *post; ///< trigger after the variable/command is changed/executed
};
/** --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[]);
struct IConsoleCmd {
char *name; ///< name of command
IConsoleCmd *next; ///< next command in list
IConsoleCmdProc *proc; ///< process executed when command is typed
IConsoleHooks hook; ///< any special trigger action that needs executing
};
/** --Variables--
* Variables are pointers to real ingame variables which allow for
* changing while ingame. After changing they keep their new value
* and can be used for debugging, gameplay, etc. It accepts:
* - no arguments; just print out current value
* - '= <new value>' to assign a new value to the variable
* - '++' to increase value by one
* - '--' to decrease value by one
*/
struct IConsoleVar {
char *name; ///< name of the variable
IConsoleVar *next; ///< next variable in list
void *addr; ///< the address where the variable is pointing at
uint32 size; ///< size of the variable, used for strings
char *help; ///< the optional help string shown when requesting information
IConsoleVarTypes type; ///< type of variable (for correct assignment/output)
IConsoleCmdProc *proc; ///< some variables need really special handling, use a callback function for that
IConsoleHooks 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 'lv' for
* 'list_vars' 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 registred commands
extern IConsoleVar *_iconsole_vars; ///< list of registred vars
extern IConsoleAlias *_iconsole_aliases; ///< list of registred aliases
/* console functions */
void IConsoleClearBuffer();
void IConsoleOpen();
/* Commands */
void IConsoleCmdRegister(const char *name, IConsoleCmdProc *proc);
void IConsoleAliasRegister(const char *name, const char *cmd);
IConsoleCmd *IConsoleCmdGet(const char *name);
IConsoleAlias *IConsoleAliasGet(const char *name);
/* Variables */
void IConsoleVarRegister(const char *name, void *addr, IConsoleVarTypes type, const char *help);
void IConsoleVarStringRegister(const char *name, void *addr, uint32 size, const char *help);
IConsoleVar* IConsoleVarGet(const char *name);
void IConsoleVarPrintGetValue(const IConsoleVar *var);
void IConsoleVarPrintSetValue(const IConsoleVar *var);
/* Parser */
void IConsoleVarExec(const IConsoleVar *var, byte tokencount, char *token[]);
/* console std lib (register ingame commands/aliases/variables) */
void IConsoleStdLibRegister();
/* Hooking code */
void IConsoleCmdHookAdd(const char *name, IConsoleHookTypes type, IConsoleHook *proc);
void IConsoleVarHookAdd(const char *name, IConsoleHookTypes type, IConsoleHook *proc);
void IConsoleVarProcAdd(const char *name, IConsoleCmdProc *proc);
/* Supporting functions */
bool GetArgumentInteger(uint32 *value, const char *arg);
void IConsoleGUIInit();
void IConsoleGUIFree();
void IConsoleGUIPrint(ConsoleColour color_code, char *string);
#endif /* CONSOLE_INTERNAL_H */
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