//
//Entry point of the text mode shell.
//
DWORD ShellEntryPoint(LPVOID pData)
{
__KERNEL_THREAD_MESSAGE KernelThreadMessage;
s_hHiscmdInoObj = His_CreateHisObj(HISCMD_MAX_COUNT);
StrCpy(DEF_PROMPT_STR,&s_szPrompt[0]);
CD_PrintString(VERSION_INFO,FALSE);
CD_SetCursorPos(0,SHELL_INPUT_START_Y_FIRST);
PrintPrompt();
while(TRUE)
{
if(GetMessage(&KernelThreadMessage))
{
if(KERNEL_MESSAGE_TERMINAL == KernelThreadMessage.wCommand)
{
break;
}
DispatchMessage(&KernelThreadMessage,EventHandler);
}
}
//When reach here,it means the shell thread will terminate.We will reboot
//the system in current version's implementation,since there is no interact
//mechanism between user and computer in case of no shell.
//NOTE:System clean up operations should be put here if necessary.
#ifdef __I386__
BIOSReboot();
#endif
return 0;
}
//Handler for 'cls' command.
DWORD ClsHandler(__CMD_PARA_OBJ* pCmdParaObj)
{
ClearScreen();
CD_SetCursorPos(0,SHELL_INPUT_START_Y);
return SHELL_CMD_PARSER_SUCCESS;
}
//换行
VOID CD_GotoHome()
{
#ifdef __I386__
WORD CursorX = 0;
WORD CursorY = 0;
CD_GetCursorPos(&CursorX,&CursorY);
CD_SetCursorPos(0,CursorY);
#endif
#ifdef __CFG_SYS_CONSOLE
Console.GotoHome();
#endif
}
//Print out command prompt.
static VOID PrintPrompt()
{
WORD CursorX = 0;
WORD CursorY = 0;
CD_GetCursorPos(&CursorX,&CursorY);
if(CursorX != 0)
{
CD_ChangeLine();
CD_GetCursorPos(&CursorX,&CursorY);
}
CD_PrintString(s_szPrompt,FALSE);
CursorX = strlen(s_szPrompt);
CD_SetCursorPos(CursorX,CursorY);
}
//load history cmd to current cmd line
static void LoadHisCmd(BOOL bUp)
{
CHAR szHisCmd[CMD_MAX_LEN] = {0};
WORD CursorX = 0;
WORD CursorY = 0;
if(His_LoadHisCmd(s_hHiscmdInoObj,bUp,szHisCmd,sizeof(szHisCmd)) == FALSE)
{
return;
}
CD_GetCursorPos(&CursorX,&CursorY);
CD_SetCursorPos(SHELL_INPUT_START_X,CursorY);
CD_DelString(SHELL_INPUT_START_X,CursorY,CMD_MAX_LEN);
CD_PrintString(szHisCmd,FALSE);
}
//回到上一个字符
VOID CD_GotoPrev()
{
#ifdef __I386__
WORD CursorX = 0;
WORD CursorY = 0;
CD_GetCursorPos(&CursorX,&CursorY);
if(CursorX > 0 )
{
CD_SetCursorPos(CursorX-1,CursorY);
}
#endif
#ifdef __CFG_SYS_CONSOLE
Console.GotoPrev();
#endif
}
//Entry point of the text mode shell.
//
DWORD ShellEntryPoint(LPVOID pData)
{
StrCpy(DEF_PROMPT_STR,&s_szPrompt[0]);
CD_PrintString(VERSION_INFO,TRUE);
CD_SetCursorPos(0,SHELL_INPUT_START_Y_FIRST);
Shell_Msg_Loop(s_szPrompt,CommandParser,QueryCmdName);
//When reach here,it means the shell thread will terminate.We will reboot
//the system in current version's implementation,since there is no interact
//mechanism between user and computer in case of no shell.
//NOTE:System clean up operations should be put here if necessary.
#ifdef __I386__
BIOSReboot();
#endif
return 0;
}
static BOOL OnVkKeyControl(BYTE bt)
{
WORD CursorX = 0;
WORD CursorY = 0;
CD_GetCursorPos(&CursorX,&CursorY);
switch(bt)
{
case VK_LEFTARROW:
{
if(CursorX <= SHELL_INPUT_START_X)
{
break;
}
CursorX --;
CD_SetCursorPos(CursorX,CursorY);
}
break;
case VK_RIGHTARROW:
{
CHAR szCurChar[2] = {0};
CD_GetString(CursorX,CursorY,szCurChar,1);
if(szCurChar[0] > 0)
{
CD_SetCursorPos(CursorX+1,CursorY);
}
}
break;
case VK_UPARROW:
{
LoadHisCmd(TRUE);
}
break;
case VK_DOWNARROW:
{
LoadHisCmd(FALSE);
}
break;
case VK_DELETE:
{
CD_DelChar(DISPLAY_DELCHAR_CURR);
}
break;
case VK_HOME:
{
CD_SetCursorPos(SHELL_INPUT_START_X,CursorY);
}
break;
case VK_END:
{
CHAR szCmdBuf[CMD_MAX_LEN] = {0};
CursorX = SHELL_INPUT_START_X;
CD_GetString(CursorX,CursorY,szCmdBuf,sizeof(szCmdBuf));
CursorX += strlen(szCmdBuf);
CD_SetCursorPos(CursorX,CursorY);
}
break;
default:
return FALSE;
}
return TRUE;
}
//Handler for 'cls' command.
VOID ClsHandler(LPSTR pstr)
{
ClearScreen();
CD_SetCursorPos(0,SHELL_INPUT_START_Y);
}