static bool ParseCmdBuffer(SYS_CMD_DEVICE_NODE* pCmdIO)
{
int argc = 0;
char *argv[MAX_CMD_ARGS + 1] = {};
static char saveCmd[SYS_CMD_MAX_LENGTH+1];
const void* cmdIoParam = pCmdIO->cmdIoParam;
int ix, grp_ix;
const SYS_CMD_DESCRIPTOR* pDcpt;
strncpy(saveCmd, pCmdIO->cmdBuff, sizeof(saveCmd)); // make a copy of the command
// parse a command string to *argv[]
argc = StringToArgs(saveCmd, argv);
if(argc != 0)
{ // ok, there's smth here
// add it to the history list
cmdNode* pN = CmdRemoveTail(&_cmdList);
strncpy(pN->cmdBuff, pCmdIO->cmdBuff, sizeof(saveCmd)); // Need save non-parsed string
CmdAddHead(&_cmdList, pN);
_pCurrCmdN = 0;
// try built-in commands first
for(ix = 0, pDcpt = _builtinCmdTbl; ix < sizeof(_builtinCmdTbl)/sizeof(*_builtinCmdTbl); ix++, pDcpt++)
{
if(!strcmp(argv[0], pDcpt->cmdStr))
{ // command found
return (*pDcpt->cmdFnc)(pCmdIO, argc, argv); // call command handler
}
}
// search user commands
for (grp_ix=0; grp_ix<MAX_CMD_GROUP; grp_ix++)
{
if (_usrCmdTbl[grp_ix].pCmd == 0)
{
continue;
}
for(ix = 0, pDcpt = _usrCmdTbl[grp_ix].pCmd; ix < _usrCmdTbl[grp_ix].nCmds; ix++, pDcpt++)
{
if(!strcmp(argv[0], pDcpt->cmdStr))
{
// command found
return !(*pDcpt->cmdFnc)(pCmdIO, argc, argv);
}
}
}
// command not found
(*pCmdIO->pCmdApi->msg)(cmdIoParam, " *** Command Processor: unknown command. ***\r\n");
}
else
{
(*pCmdIO->pCmdApi->msg)(cmdIoParam, " *** Command Processor: Please type in a command***" LINE_TERM);
}
return false;
}
bool _SYS_COMMAND_INIT(void)
{
int ix;
CommandCleanup(); // just in case we have to deallocate previous data
// construct the command history list
for(ix = 0; ix<COMMAND_HISTORY_DEPTH; ix++)
{
cmdNode* pN;
pN = (cmdNode*)SystemMalloc(sizeof(*pN));
if(!pN)
{
return false;
}
pN->cmdBuff[0] = '\0';
CmdAddHead(&_cmdList, pN);
}
_pCurrCmdN = 0;
// Console will be added automatically
#if defined(SYS_CONSOLE_ENABLE)
// the console handle should be needed here but there's only one console for now
_SYS_CMDIO_ADD(&sysConsoleApi, 0);
#endif
//SYS_CONSOLE_MESSAGE(_promptStr);
_cmdAlive = true;
return true;
}
