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openttd/src/console.cpp

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/* $Id$ */
/** @file console.cpp Handling of the in-game console. */
#include "stdafx.h"
#include "core/alloc_func.hpp"
#include "string_func.h"
#include "strings_type.h"
#include "core/math_func.hpp"
#include "console_internal.h"
#include "network/network.h"
#include "network/network_func.h"
#include "rev.h"
#include <stdarg.h>
#include "table/strings.h"
#define ICON_BUFFER 79
#define ICON_HISTORY_SIZE 20
#define ICON_LINE_HEIGHT 12
#define ICON_RIGHT_BORDERWIDTH 10
#define ICON_BOTTOM_BORDERWIDTH 12
#define ICON_MAX_ALIAS_LINES 40
#define ICON_TOKEN_COUNT 20
/* console parser */
IConsoleCmd *_iconsole_cmds; ///< list of registred commands
IConsoleVar *_iconsole_vars; ///< list of registred vars
IConsoleAlias *_iconsole_aliases; ///< list of registred aliases
/* ** stdlib ** */
byte _stdlib_developer = 1;
bool _stdlib_con_developer = false;
FILE *_iconsole_output_file;
void IConsoleInit()
{
_iconsole_output_file = NULL;
#ifdef ENABLE_NETWORK /* Initialize network only variables */
_redirect_console_to_client = 0;
#endif
IConsoleGUIInit();
IConsoleStdLibRegister();
}
static void IConsoleWriteToLogFile(const char *string)
{
if (_iconsole_output_file != NULL) {
/* if there is an console output file ... also print it there */
if (fwrite(string, strlen(string), 1, _iconsole_output_file) != 1 ||
fwrite("\n", 1, 1, _iconsole_output_file) != 1) {
fclose(_iconsole_output_file);
_iconsole_output_file = NULL;
IConsolePrintF(CC_DEFAULT, "cannot write to log file");
}
}
}
bool CloseConsoleLogIfActive()
{
if (_iconsole_output_file != NULL) {
IConsolePrintF(CC_DEFAULT, "file output complete");
fclose(_iconsole_output_file);
_iconsole_output_file = NULL;
return true;
}
return false;
}
void IConsoleFree()
{
IConsoleGUIFree();
CloseConsoleLogIfActive();
}
/**
* Handle the printing of text entered into the console or redirected there
* by any other means. Text can be redirected to other clients in a network game
* as well as to a logfile. If the network server is a dedicated server, all activities
* are also logged. All lines to print are added to a temporary buffer which can be
* used as a history to print them onscreen
* @param color_code the colour of the command. Red in case of errors, etc.
* @param string the message entered or output on the console (notice, error, etc.)
*/
void IConsolePrint(ConsoleColour color_code, const char *string)
{
char *str;
#ifdef ENABLE_NETWORK
if (_redirect_console_to_client != 0) {
/* Redirect the string to the client */
NetworkServerSendRcon(_redirect_console_to_client, color_code, string);
return;
}
#endif
/* Create a copy of the string, strip if of colours and invalid
* characters and (when applicable) assign it to the console buffer */
str = strdup(string);
str_strip_colours(str);
str_validate(str);
if (_network_dedicated) {
fprintf(stdout, "%s\n", str);
fflush(stdout);
IConsoleWriteToLogFile(str);
free(str); // free duplicated string since it's not used anymore
return;
}
IConsoleWriteToLogFile(str);
IConsoleGUIPrint(color_code, str);
}
/**
* Handle the printing of text entered into the console or redirected there
* by any other means. Uses printf() style format, for more information look
* at IConsolePrint()
*/
void CDECL IConsolePrintF(ConsoleColour color_code, const char *s, ...)
{
va_list va;
char buf[ICON_MAX_STREAMSIZE];
va_start(va, s);
vsnprintf(buf, sizeof(buf), s, va);
va_end(va);
IConsolePrint(color_code, buf);
}
/**
* It is possible to print debugging information to the console,
* which is achieved by using this function. Can only be used by
* debug() in debug.cpp. You need at least a level 2 (developer) for debugging
* messages to show up
* @param dbg debugging category
* @param string debugging message
*/
void IConsoleDebug(const char *dbg, const char *string)
{
if (_stdlib_developer > 1)
IConsolePrintF(CC_DEBUG, "dbg: [%s] %s", dbg, string);
}
/**
* It is possible to print warnings to the console. These are mostly
* errors or mishaps, but non-fatal. You need at least a level 1 (developer) for
* debugging messages to show up
*/
void IConsoleWarning(const char *string)
{
if (_stdlib_developer > 0)
IConsolePrintF(CC_WARNING, "WARNING: %s", string);
}
/**
* It is possible to print error information to the console. This can include
* game errors, or errors in general you would want the user to notice
*/
void IConsoleError(const char *string)
{
IConsolePrintF(CC_ERROR, "ERROR: %s", string);
}
/**
* Change a string into its number representation. Supports
* decimal and hexadecimal numbers as well as 'on'/'off' 'true'/'false'
* @param *value the variable a successful conversion will be put in
* @param *arg the string to be converted
* @return Return true on success or false on failure
*/
bool GetArgumentInteger(uint32 *value, const char *arg)
{
char *endptr;
if (strcmp(arg, "on") == 0 || strcmp(arg, "true") == 0) {
*value = 1;
return true;
}
if (strcmp(arg, "off") == 0 || strcmp(arg, "false") == 0) {
*value = 0;
return true;
}
*value = strtoul(arg, &endptr, 0);
return arg != endptr;
}
/* * *************************
* hooking code *
* *************************/
/**
* General internal hooking code that is the same for both commands and variables
* @param hooks IConsoleHooks structure that will be set according to
* @param type type access trigger
* @param proc function called when the hook criteria is met
*/
static void IConsoleHookAdd(IConsoleHooks *hooks, IConsoleHookTypes type, IConsoleHook *proc)
{
if (hooks == NULL || proc == NULL) return;
switch (type) {
case ICONSOLE_HOOK_ACCESS:
hooks->access = proc;
break;
case ICONSOLE_HOOK_PRE_ACTION:
hooks->pre = proc;
break;
case ICONSOLE_HOOK_POST_ACTION:
hooks->post = proc;
break;
default: NOT_REACHED();
}
}
/**
* Handle any special hook triggers. If the hook type is met check if
* there is a function associated with that and if so, execute it
* @param hooks IConsoleHooks structure that will be checked
* @param type type of hook, trigger that needs to be activated
* @return true on a successful execution of the hook command or if there
* is no hook/trigger present at all. False otherwise
*/
static bool IConsoleHookHandle(const IConsoleHooks *hooks, IConsoleHookTypes type)
{
IConsoleHook *proc = NULL;
if (hooks == NULL) return false;
switch (type) {
case ICONSOLE_HOOK_ACCESS:
proc = hooks->access;
break;
case ICONSOLE_HOOK_PRE_ACTION:
proc = hooks->pre;
break;
case ICONSOLE_HOOK_POST_ACTION:
proc = hooks->post;
break;
default: NOT_REACHED();
}
return (proc == NULL) ? true : proc();
}
/**
* Add a hook to a command that will be triggered at certain points
* @param name name of the command that the hook is added to
* @param type type of hook that is added (ACCESS, BEFORE and AFTER change)
* @param proc function called when the hook criteria is met
*/
void IConsoleCmdHookAdd(const char *name, IConsoleHookTypes type, IConsoleHook *proc)
{
IConsoleCmd *cmd = IConsoleCmdGet(name);
if (cmd == NULL) return;
IConsoleHookAdd(&cmd->hook, type, proc);
}
/**
* Add a hook to a variable that will be triggered at certain points
* @param name name of the variable that the hook is added to
* @param type type of hook that is added (ACCESS, BEFORE and AFTER change)
* @param proc function called when the hook criteria is met
*/
void IConsoleVarHookAdd(const char *name, IConsoleHookTypes type, IConsoleHook *proc)
{
IConsoleVar *var = IConsoleVarGet(name);
if (var == NULL) return;
IConsoleHookAdd(&var->hook, type, proc);
}
/**
* Perhaps ugly macro, but this saves us the trouble of writing the same function
* three types, just with different variables. Yes, templates would be handy. It was
* either this define or an even more ugly void* magic function
*/
#define IConsoleAddSorted(_base, item_new, IConsoleType, type) \
{ \
IConsoleType *item, *item_before; \
/* first command */ \
if (_base == NULL) { \
_base = item_new; \
return; \
} \
\
item_before = NULL; \
item = _base; \
\
/* BEGIN - Alphabetically insert the commands into the linked list */ \
while (item != NULL) { \
int i = strcmp(item->name, item_new->name); \
if (i == 0) { \
IConsoleError(type " with this name already exists; insertion aborted"); \
free(item_new); \
return; \
} \
\
if (i > 0) break; /* insert at this position */ \
\
item_before = item; \
item = item->next; \
} \
\
if (item_before == NULL) { \
_base = item_new; \
} else { \
item_before->next = item_new; \
} \
\
item_new->next = item; \
/* END - Alphabetical insert */ \
}
/**
* Register a new command to be used in the console
* @param name name of the command that will be used
* @param proc function that will be called upon execution of command
*/
void IConsoleCmdRegister(const char *name, IConsoleCmdProc *proc)
{
char *new_cmd = strdup(name);
IConsoleCmd *item_new = MallocT<IConsoleCmd>(1);
item_new->next = NULL;
item_new->proc = proc;
item_new->name = new_cmd;
item_new->hook.access = NULL;
item_new->hook.pre = NULL;
item_new->hook.post = NULL;
IConsoleAddSorted(_iconsole_cmds, item_new, IConsoleCmd, "a command");
}
/**
* Find the command pointed to by its string
* @param name command to be found
* @return return Cmdstruct of the found command, or NULL on failure
*/
IConsoleCmd *IConsoleCmdGet(const char *name)
{
IConsoleCmd *item;
for (item = _iconsole_cmds; item != NULL; item = item->next) {
if (strcmp(item->name, name) == 0) return item;
}
return NULL;
}
/**
* Register a an alias for an already existing command in the console
* @param name name of the alias that will be used
* @param cmd name of the command that 'name' will be alias of
*/
void IConsoleAliasRegister(const char *name, const char *cmd)
{
char *new_alias = strdup(name);
char *cmd_aliased = strdup(cmd);
IConsoleAlias *item_new = MallocT<IConsoleAlias>(1);
item_new->next = NULL;
item_new->cmdline = cmd_aliased;
item_new->name = new_alias;
IConsoleAddSorted(_iconsole_aliases, item_new, IConsoleAlias, "an alias");
}
/**
* Find the alias pointed to by its string
* @param name alias to be found
* @return return Aliasstruct of the found alias, or NULL on failure
*/
IConsoleAlias *IConsoleAliasGet(const char *name)
{
IConsoleAlias* item;
for (item = _iconsole_aliases; item != NULL; item = item->next) {
if (strcmp(item->name, name) == 0) return item;
}
return NULL;
}
/** copy in an argument into the aliasstream */
static inline int IConsoleCopyInParams(char *dst, const char *src, uint bufpos)
{
/* len is the amount of bytes to add excluding the '\0'-termination */
int len = min(ICON_MAX_STREAMSIZE - bufpos - 1, (uint)strlen(src));
strecpy(dst, src, dst + len);
return len;
}
/**
* An alias is just another name for a command, or for more commands
* Execute it as well.
* @param *alias is the alias of the command
* @param tokencount the number of parameters passed
* @param *tokens are the parameters given to the original command (0 is the first param)
*/
static void IConsoleAliasExec(const IConsoleAlias *alias, byte tokencount, char *tokens[ICON_TOKEN_COUNT])
{
const char *cmdptr;
char *aliases[ICON_MAX_ALIAS_LINES], aliasstream[ICON_MAX_STREAMSIZE];
uint i;
uint a_index, astream_i;
memset(&aliases, 0, sizeof(aliases));
memset(&aliasstream, 0, sizeof(aliasstream));
if (_stdlib_con_developer)
IConsolePrintF(CC_DEBUG, "condbg: requested command is an alias; parsing...");
aliases[0] = aliasstream;
for (cmdptr = alias->cmdline, a_index = 0, astream_i = 0; *cmdptr != '\0'; cmdptr++) {
if (a_index >= lengthof(aliases) || astream_i >= lengthof(aliasstream)) break;
switch (*cmdptr) {
case '\'': // ' will double for ""
aliasstream[astream_i++] = '"';
break;
case ';': // Cmd seperator, start new command
aliasstream[astream_i] = '\0';
aliases[++a_index] = &aliasstream[++astream_i];
cmdptr++;
break;
case '%': // Some or all parameters
cmdptr++;
switch (*cmdptr) {
case '+': { // All parameters seperated: "[param 1]" "[param 2]"
for (i = 0; i != tokencount; i++) {
aliasstream[astream_i++] = '"';
astream_i += IConsoleCopyInParams(&aliasstream[astream_i], tokens[i], astream_i);
aliasstream[astream_i++] = '"';
aliasstream[astream_i++] = ' ';
}
} break;
case '!': { // Merge the parameters to one: "[param 1] [param 2] [param 3...]"
aliasstream[astream_i++] = '"';
for (i = 0; i != tokencount; i++) {
astream_i += IConsoleCopyInParams(&aliasstream[astream_i], tokens[i], astream_i);
aliasstream[astream_i++] = ' ';
}
aliasstream[astream_i++] = '"';
} break;
default: { // One specific parameter: %A = [param 1] %B = [param 2] ...
int param = *cmdptr - 'A';
if (param < 0 || param >= tokencount) {
IConsoleError("too many or wrong amount of parameters passed to alias, aborting");
IConsolePrintF(CC_WARNING, "Usage of alias '%s': %s", alias->name, alias->cmdline);
return;
}
aliasstream[astream_i++] = '"';
astream_i += IConsoleCopyInParams(&aliasstream[astream_i], tokens[param], astream_i);
aliasstream[astream_i++] = '"';
} break;
} break;
default:
aliasstream[astream_i++] = *cmdptr;
break;
}
}
for (i = 0; i <= a_index; i++) IConsoleCmdExec(aliases[i]); // execute each alias in turn
}
/**
* Special function for adding string-type variables. They in addition
* also need a 'size' value saying how long their string buffer is.
* @param name name of the variable that will be used
* @param addr memory location the variable will point to
* @param size the length of the string buffer
* @param help the help string shown for the variable
* For more information see IConsoleVarRegister()
*/
void IConsoleVarStringRegister(const char *name, void *addr, uint32 size, const char *help)
{
IConsoleVar *var;
IConsoleVarRegister(name, addr, ICONSOLE_VAR_STRING, help);
var = IConsoleVarGet(name);
var->size = size;
}
/**
* Register a new variable to be used in the console
* @param name name of the variable that will be used
* @param addr memory location the variable will point to
* @param help the help string shown for the variable
* @param type the type of the variable (simple atomic) so we know which values it can get
*/
void IConsoleVarRegister(const char *name, void *addr, IConsoleVarTypes type, const char *help)
{
char *new_cmd = strdup(name);
IConsoleVar *item_new = MallocT<IConsoleVar>(1);
item_new->help = (help != NULL) ? strdup(help) : NULL;
item_new->next = NULL;
item_new->name = new_cmd;
item_new->addr = addr;
item_new->proc = NULL;
item_new->type = type;
item_new->hook.access = NULL;
item_new->hook.pre = NULL;
item_new->hook.post = NULL;
IConsoleAddSorted(_iconsole_vars, item_new, IConsoleVar, "a variable");
}
/**
* Find the variable pointed to by its string
* @param name variable to be found
* @return return Varstruct of the found variable, or NULL on failure
*/
IConsoleVar *IConsoleVarGet(const char *name)
{
IConsoleVar *item;
for (item = _iconsole_vars; item != NULL; item = item->next) {
if (strcmp(item->name, name) == 0) return item;
}
return NULL;
}
/**
* Set a new value to a console variable
* @param *var the variable being set/changed
* @param value the new value given to the variable, cast properly
*/
static void IConsoleVarSetValue(const IConsoleVar *var, uint32 value)
{
IConsoleHookHandle(&var->hook, ICONSOLE_HOOK_PRE_ACTION);
switch (var->type) {
case ICONSOLE_VAR_BOOLEAN:
*(bool*)var->addr = (value != 0);
break;
case ICONSOLE_VAR_BYTE:
*(byte*)var->addr = (byte)value;
break;
case ICONSOLE_VAR_UINT16:
*(uint16*)var->addr = (uint16)value;
break;
case ICONSOLE_VAR_INT16:
*(int16*)var->addr = (int16)value;
break;
case ICONSOLE_VAR_UINT32:
*(uint32*)var->addr = (uint32)value;
break;
case ICONSOLE_VAR_INT32:
*(int32*)var->addr = (int32)value;
break;
default: NOT_REACHED();
}
IConsoleHookHandle(&var->hook, ICONSOLE_HOOK_POST_ACTION);
IConsoleVarPrintSetValue(var);
}
/**
* Set a new value to a string-type variable. Basically this
* means to copy the new value over to the container.
* @param *var the variable in question
* @param *value the new value
*/
static void IConsoleVarSetStringvalue(const IConsoleVar *var, const char *value)
{
if (var->type != ICONSOLE_VAR_STRING || var->addr == NULL) return;
IConsoleHookHandle(&var->hook, ICONSOLE_HOOK_PRE_ACTION);
ttd_strlcpy((char*)var->addr, value, var->size);
IConsoleHookHandle(&var->hook, ICONSOLE_HOOK_POST_ACTION);
IConsoleVarPrintSetValue(var); // print out the new value, giving feedback
return;
}
/**
* Query the current value of a variable and return it
* @param *var the variable queried
* @return current value of the variable
*/
static uint32 IConsoleVarGetValue(const IConsoleVar *var)
{
uint32 result = 0;
switch (var->type) {
case ICONSOLE_VAR_BOOLEAN:
result = *(bool*)var->addr;
break;
case ICONSOLE_VAR_BYTE:
result = *(byte*)var->addr;
break;
case ICONSOLE_VAR_UINT16:
result = *(uint16*)var->addr;
break;
case ICONSOLE_VAR_INT16:
result = *(int16*)var->addr;
break;
case ICONSOLE_VAR_UINT32:
result = *(uint32*)var->addr;
break;
case ICONSOLE_VAR_INT32:
result = *(int32*)var->addr;
break;
default: NOT_REACHED();
}
return result;
}
/**
* Get the value of the variable and put it into a printable
* string form so we can use it for printing
*/
static char *IConsoleVarGetStringValue(const IConsoleVar *var)
{
static char tempres[50];
char *value = tempres;
switch (var->type) {
case ICONSOLE_VAR_BOOLEAN:
snprintf(tempres, sizeof(tempres), "%s", (*(bool*)var->addr) ? "on" : "off");
break;
case ICONSOLE_VAR_BYTE:
snprintf(tempres, sizeof(tempres), "%u", *(byte*)var->addr);
break;
case ICONSOLE_VAR_UINT16:
snprintf(tempres, sizeof(tempres), "%u", *(uint16*)var->addr);
break;
case ICONSOLE_VAR_UINT32:
snprintf(tempres, sizeof(tempres), "%u", *(uint32*)var->addr);
break;
case ICONSOLE_VAR_INT16:
snprintf(tempres, sizeof(tempres), "%i", *(int16*)var->addr);
break;
case ICONSOLE_VAR_INT32:
snprintf(tempres, sizeof(tempres), "%i", *(int32*)var->addr);
break;
case ICONSOLE_VAR_STRING:
value = (char*)var->addr;
break;
default: NOT_REACHED();
}
return value;
}
/**
* Print out the value of the variable when asked
*/
void IConsoleVarPrintGetValue(const IConsoleVar *var)
{
char *value;
/* Some variables need really specific handling, handle this in its
* callback function */
if (var->proc != NULL) {
var->proc(0, NULL);
return;
}
value = IConsoleVarGetStringValue(var);
IConsolePrintF(CC_WARNING, "Current value for '%s' is: %s", var->name, value);
}
/**
* Print out the value of the variable after it has been assigned
* a new value, thus giving us feedback on the action
*/
void IConsoleVarPrintSetValue(const IConsoleVar *var)
{
char *value = IConsoleVarGetStringValue(var);
IConsolePrintF(CC_WARNING, "'%s' changed to: %s", var->name, value);
}
/**
* Execute a variable command. Without any parameters, print out its value
* with parameters it assigns a new value to the variable
* @param *var the variable that we will be querying/changing
* @param tokencount how many additional parameters have been given to the commandline
* @param *token the actual parameters the variable was called with
*/
void IConsoleVarExec(const IConsoleVar *var, byte tokencount, char *token[ICON_TOKEN_COUNT])
{
const char *tokenptr = token[0];
byte t_index = tokencount;
uint32 value;
if (_stdlib_con_developer)
IConsolePrintF(CC_DEBUG, "condbg: requested command is a variable");
if (tokencount == 0) { /* Just print out value */
IConsoleVarPrintGetValue(var);
return;
}
/* Use of assignment sign is not mandatory but supported, so just 'ignore it appropiately' */
if (strcmp(tokenptr, "=") == 0) tokencount--;
if (tokencount == 1) {
/* Some variables need really special handling, handle it in their callback procedure */
if (var->proc != NULL) {
var->proc(tokencount, &token[t_index - tokencount]); // set the new value
return;
}
/* Strings need special processing. No need to convert the argument to
* an integer value, just copy over the argument on a one-by-one basis */
if (var->type == ICONSOLE_VAR_STRING) {
IConsoleVarSetStringvalue(var, token[t_index - tokencount]);
return;
} else if (GetArgumentInteger(&value, token[t_index - tokencount])) {
IConsoleVarSetValue(var, value);
return;
}
/* Increase or decrease the value by one. This of course can only happen to 'number' types */
if (strcmp(tokenptr, "++") == 0 && var->type != ICONSOLE_VAR_STRING) {
IConsoleVarSetValue(var, IConsoleVarGetValue(var) + 1);
return;
}
if (strcmp(tokenptr, "--") == 0 && var->type != ICONSOLE_VAR_STRING) {
IConsoleVarSetValue(var, IConsoleVarGetValue(var) - 1);
return;
}
}
IConsoleError("invalid variable assignment");
}
/**
* Add a callback function to the variable. Some variables need
* very special processing, which can only be done with custom code
* @param name name of the variable the callback function is added to
* @param proc the function called
*/
void IConsoleVarProcAdd(const char *name, IConsoleCmdProc *proc)
{
IConsoleVar *var = IConsoleVarGet(name);
if (var == NULL) return;
var->proc = proc;
}
/**
* Execute a given command passed to us. First chop it up into
* individual tokens (seperated by spaces), then execute it if possible
* @param cmdstr string to be parsed and executed
*/
void IConsoleCmdExec(const char *cmdstr)
{
IConsoleCmd *cmd = NULL;
IConsoleAlias *alias = NULL;
IConsoleVar *var = NULL;
const char *cmdptr;
char *tokens[ICON_TOKEN_COUNT], tokenstream[ICON_MAX_STREAMSIZE];
uint t_index, tstream_i;
bool longtoken = false;
bool foundtoken = false;
if (cmdstr[0] == '#') return; // comments
for (cmdptr = cmdstr; *cmdptr != '\0'; cmdptr++) {
if (!IsValidChar(*cmdptr, CS_ALPHANUMERAL)) {
IConsoleError("command contains malformed characters, aborting");
IConsolePrintF(CC_ERROR, "ERROR: command was: '%s'", cmdstr);
return;
}
}
if (_stdlib_con_developer)
IConsolePrintF(CC_DEBUG, "condbg: executing cmdline: '%s'", cmdstr);
memset(&tokens, 0, sizeof(tokens));
memset(&tokenstream, 0, sizeof(tokenstream));
/* 1. Split up commandline into tokens, seperated by spaces, commands
* enclosed in "" are taken as one token. We can only go as far as the amount
* of characters in our stream or the max amount of tokens we can handle */
for (cmdptr = cmdstr, t_index = 0, tstream_i = 0; *cmdptr != '\0'; cmdptr++) {
if (t_index >= lengthof(tokens) || tstream_i >= lengthof(tokenstream)) break;
switch (*cmdptr) {
case ' ': /* Token seperator */
if (!foundtoken) break;
if (longtoken) {
tokenstream[tstream_i] = *cmdptr;
} else {
tokenstream[tstream_i] = '\0';
foundtoken = false;
}
tstream_i++;
break;
case '"': // Tokens enclosed in "" are one token
longtoken = !longtoken;
break;
case '\\': // Escape character for ""
if (cmdptr[1] == '"' && tstream_i + 1 < lengthof(tokenstream)) {
tokenstream[tstream_i++] = *++cmdptr;
break;
}
/* fallthrough */
default: // Normal character
tokenstream[tstream_i++] = *cmdptr;
if (!foundtoken) {
tokens[t_index++] = &tokenstream[tstream_i - 1];
foundtoken = true;
}
break;
}
}
if (_stdlib_con_developer) {
uint i;
for (i = 0; tokens[i] != NULL; i++) {
IConsolePrintF(CC_DEBUG, "condbg: token %d is: '%s'", i, tokens[i]);
}
}
if (tokens[0] == '\0') return; // don't execute empty commands
/* 2. Determine type of command (cmd, alias or variable) and execute
* First try commands, then aliases, and finally variables. Execute
* the found action taking into account its hooking code
*/
cmd = IConsoleCmdGet(tokens[0]);
if (cmd != NULL) {
if (IConsoleHookHandle(&cmd->hook, ICONSOLE_HOOK_ACCESS)) {
IConsoleHookHandle(&cmd->hook, ICONSOLE_HOOK_PRE_ACTION);
if (cmd->proc(t_index, tokens)) { // index started with 0
IConsoleHookHandle(&cmd->hook, ICONSOLE_HOOK_POST_ACTION);
} else {
cmd->proc(0, NULL); // if command failed, give help
}
}
return;
}
t_index--; // ignore the variable-name for comfort for both aliases and variaables
alias = IConsoleAliasGet(tokens[0]);
if (alias != NULL) {
IConsoleAliasExec(alias, t_index, &tokens[1]);
return;
}
var = IConsoleVarGet(tokens[0]);
if (var != NULL) {
if (IConsoleHookHandle(&var->hook, ICONSOLE_HOOK_ACCESS)) {
IConsoleVarExec(var, t_index, &tokens[1]);
}
return;
}
IConsoleError("command or variable not found");
}
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