console.c File Reference

#include "precomp.h"
#include <cjkcode.h>
#include "wcwidth.c"

Include dependency graph for console.c:

Go to the source code of this file.

Macros
#define	OUTPUT_BUFFER_SIZE   4096
#define	IS_FULL_WIDTH(wch)    (((USHORT)(wch) >= 0x0080) && (mk_wcwidth_cjk(wch) == 2))

Functions
VOID	ConInDisable (VOID)
VOID	ConInEnable (VOID)
VOID	ConInFlush (VOID)
VOID	ConInKey (PINPUT_RECORD lpBuffer)
VOID	ConInString (LPTSTR lpInput, DWORD dwLength)
VOID	ConOutChar (TCHAR c)
VOID	ConErrChar (TCHAR c)
VOID __cdecl	ConFormatMessage (PCON_STREAM Stream, DWORD MessageId,...)
BOOL	ConPrintfVPaging (PCON_PAGER Pager, BOOL StartPaging, LPTSTR szFormat, va_list arg_ptr)
BOOL __cdecl	ConOutPrintfPaging (BOOL StartPaging, LPTSTR szFormat,...)
VOID	ConOutResPaging (BOOL StartPaging, UINT resID)
VOID	SetCursorXY (SHORT x, SHORT y)
VOID	GetCursorXY (PSHORT x, PSHORT y)
SHORT	GetCursorX (VOID)
SHORT	GetCursorY (VOID)
VOID	SetCursorType (BOOL bInsert, BOOL bVisible)
VOID	GetScreenSize (PSHORT maxx, PSHORT maxy)
BOOL	ConGetDefaultAttributes (PWORD pwDefAttr)
BOOL	ConSetTitle (IN LPCTSTR lpConsoleTitle)
VOID	ConRingBell (HANDLE hOutput)
BOOL	ConSetScreenColor (HANDLE hOutput, WORD wColor, BOOL bFill)
SIZE_T	ConGetTextWidthW (PCWSTR pszText)
SIZE_T	ConGetTextWidthA (PCSTR pszText)

Variables
UINT	InputCodePage
UINT	OutputCodePage
CON_SCREEN	StdOutScreen = INIT_CON_SCREEN(StdOut)
CON_PAGER	StdOutPager = INIT_CON_PAGER(&StdOutScreen)

Macro Definition Documentation

IS_FULL_WIDTH

#define IS_FULL_WIDTH

(

wch

)

(((USHORT)(wch) >= 0x0080) && (mk_wcwidth_cjk(wch) == 2))

Definition at line 337 of file console.c.

OUTPUT_BUFFER_SIZE

#define OUTPUT_BUFFER_SIZE   4096

Definition at line 22 of file console.c.

Function Documentation

ConErrChar()

VOID ConErrChar

(

TCHAR

c

)

Definition at line 128 of file console.c.

{
    ConWrite(StdErr, &c, 1);
}

ConFormatMessage()

VOID __cdecl ConFormatMessage	(	PCON_STREAM	Stream,
		DWORD	MessageId,
			...
	)

Definition at line 133 of file console.c.

{
    INT Len;
    va_list arg_ptr;
 
    va_start(arg_ptr, MessageId);
    Len = ConMsgPrintfV(Stream,
                        FORMAT_MESSAGE_FROM_SYSTEM,
                        NULL,
                        MessageId,
                        LANG_USER_DEFAULT,
                        &arg_ptr);
    va_end(arg_ptr);
 
    if (Len <= 0)
        ConResPrintf(Stream, STRING_CONSOLE_ERROR, MessageId);
}

ConGetDefaultAttributes()

BOOL ConGetDefaultAttributes

(

PWORD

pwDefAttr

)

Definition at line 255 of file console.c.

{
    BOOL Success;
    HANDLE hConsole;
    CONSOLE_SCREEN_BUFFER_INFO csbi;
 
    /* Do not modify *pwDefAttr if we fail, in which case use default attributes */
 
    hConsole = CreateFile(_T("CONOUT$"), GENERIC_READ|GENERIC_WRITE,
                          FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
                          OPEN_EXISTING, 0, NULL);
    if (hConsole == INVALID_HANDLE_VALUE)
        return FALSE; // No default console
 
    Success = GetConsoleScreenBufferInfo(hConsole, &csbi);
    if (Success)
        *pwDefAttr = csbi.wAttributes;
 
    CloseHandle(hConsole);
    return Success;
}

Referenced by Initialize().

ConGetTextWidthA()

SIZE_T ConGetTextWidthA

(

PCSTR

pszText

)

Definition at line 358 of file console.c.

{
    int cchMax;
    PWSTR pszWide;
    SIZE_T cxWidth;
 
    cchMax = MultiByteToWideChar(OutputCodePage, 0, pszText, -1, NULL, 0);
    pszWide = cmd_alloc(cchMax * sizeof(WCHAR));
    MultiByteToWideChar(OutputCodePage, 0, pszText, -1, pszWide, cchMax);
    cxWidth = ConGetTextWidthW(pszWide);
    cmd_free(pszWide);
    return cxWidth;
}

ConGetTextWidthW()

SIZE_T ConGetTextWidthW

(

PCWSTR

pszText

)

Definition at line 340 of file console.c.

{
    SIZE_T ich, cxWidth;
 
    if (!IsCJKCodePage(OutputCodePage))
        return _tcslen(pszText);
 
    for (ich = cxWidth = 0; pszText[ich]; ++ich)
    {
        if (IS_FULL_WIDTH(pszText[ich]))
            cxWidth += 2;
        else
            ++cxWidth;
    }
 
    return cxWidth;
}

Referenced by ConGetTextWidthA().

ConInDisable()

VOID ConInDisable

(

VOID

)

Definition at line 36 of file console.c.

{
    HANDLE hInput = GetStdHandle(STD_INPUT_HANDLE);
    DWORD dwMode;
 
    GetConsoleMode(hInput, &dwMode);
    dwMode &= ~ENABLE_PROCESSED_INPUT;
    SetConsoleMode(hInput, dwMode);
}

Referenced by FilePromptYN(), FilePromptYNA(), and PagePrompt().

ConInEnable()

VOID ConInEnable

(

VOID

)

Definition at line 46 of file console.c.

{
    HANDLE hInput = GetStdHandle(STD_INPUT_HANDLE);
    DWORD dwMode;
 
    GetConsoleMode(hInput, &dwMode);
    dwMode |= ENABLE_PROCESSED_INPUT;
    SetConsoleMode(hInput, dwMode);
}

Referenced by FilePromptYN(), FilePromptYNA(), and PagePrompt().

ConInFlush()

VOID ConInFlush

(

VOID

)

Definition at line 56 of file console.c.

{
    FlushConsoleInputBuffer(GetStdHandle(STD_INPUT_HANDLE));
}

Referenced by CommandChoice().

ConInKey()

VOID ConInKey

(

PINPUT_RECORD

lpBuffer

)

Definition at line 61 of file console.c.

{
    HANDLE hInput = GetStdHandle(STD_INPUT_HANDLE);
    DWORD  dwRead;
 
    if (hInput == INVALID_HANDLE_VALUE)
        WARN ("Invalid input handle!!!\n");
 
    do
    {
        ReadConsoleInput(hInput, lpBuffer, 1, &dwRead);
        if (lpBuffer->EventType == KEY_EVENT &&
            lpBuffer->Event.KeyEvent.bKeyDown)
        {
            break;
        }
    }
    while (TRUE);
}

Referenced by CommandChoice(), FilePromptYN(), FilePromptYNA(), PagePrompt(), and ReadCommand().

ConInString()

VOID ConInString	(	LPTSTR	lpInput,
		DWORD	dwLength
	)

Definition at line 81 of file console.c.

{
    DWORD dwOldMode;
    DWORD dwRead = 0;
    HANDLE hFile;
 
    LPTSTR p;
    PCHAR pBuf;
 
#ifdef _UNICODE
    pBuf = (PCHAR)cmd_alloc(dwLength - 1);
#else
    pBuf = lpInput;
#endif
    ZeroMemory(lpInput, dwLength * sizeof(TCHAR));
    hFile = GetStdHandle(STD_INPUT_HANDLE);
    GetConsoleMode(hFile, &dwOldMode);
 
    SetConsoleMode(hFile, ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT);
 
    ReadFile(hFile, (PVOID)pBuf, dwLength - 1, &dwRead, NULL);
 
#ifdef _UNICODE
    MultiByteToWideChar(InputCodePage, 0, pBuf, dwRead, lpInput, dwLength - 1);
    cmd_free(pBuf);
#endif
    for (p = lpInput; *p; p++)
    {
        if (*p == _T('\r')) // Terminate at the carriage-return.
        {
            *p = _T('\0');
            break;
        }
    }
 
    SetConsoleMode(hFile, dwOldMode);
}

ConOutChar()

VOID ConOutChar

(

TCHAR

c

)

Definition at line 123 of file console.c.

{
    ConWrite(StdOut, &c, 1);
}

Referenced by Batch(), CheckCtrlBreak(), ClearCommandLine(), cmd_pause(), cmd_set(), cmd_ver(), CommandEcho(), DumpCommand(), EchoCommand(), ExecuteCommandWithEcho(), Initialize(), PagePrompt(), PrintCommandList(), PrintPrompt(), ReadCommand(), and ReadLine().

ConOutPrintfPaging()

BOOL __cdecl ConOutPrintfPaging	(	BOOL	StartPaging,
		LPTSTR	szFormat,
			...
	)

Definition at line 171 of file console.c.

{
    BOOL bRet;
    va_list arg_ptr;
 
    va_start(arg_ptr, szFormat);
    bRet = ConPrintfVPaging(&StdOutPager, StartPaging, szFormat, arg_ptr);
    va_end(arg_ptr);
    return bRet;
}

Referenced by cmd_type(), CommandDir(), and DoTypeFile().

ConOutResPaging()

VOID ConOutResPaging	(	BOOL	StartPaging,
		UINT	resID
	)

Definition at line 182 of file console.c.

{
    ConResPaging(&StdOutPager, PagePrompt, StartPaging, resID);
}

Referenced by cmd_beep(), cmd_call(), cmd_chdir(), cmd_cls(), cmd_copy(), cmd_ctty(), cmd_date(), cmd_for(), cmd_goto(), cmd_if(), cmd_mkdir(), cmd_move(), cmd_path(), cmd_pause(), cmd_prompt(), cmd_rename(), cmd_replace(), cmd_rmdir(), cmd_set(), cmd_shift(), cmd_start(), cmd_time(), cmd_title(), cmd_type(), cmd_ver(), cmd_verify(), cmd_vol(), CommandAlias(), CommandAssoc(), CommandChoice(), CommandColor(), CommandDelay(), CommandDelete(), CommandEcho(), CommandExit(), CommandFree(), CommandMemory(), CommandRem(), CommandScreen(), DirHelp(), Initialize(), invalid_switch(), and replace().

ConPrintfVPaging()

BOOL ConPrintfVPaging	(	PCON_PAGER	Pager,
		BOOL	StartPaging,
		LPTSTR	szFormat,
		va_list	arg_ptr
	)

Definition at line 155 of file console.c.

{
    // INT len;
    TCHAR szOut[OUTPUT_BUFFER_SIZE];
 
    /* Return if no string has been given */
    if (szFormat == NULL)
        return TRUE;
 
    /*len =*/ _vstprintf(szOut, szFormat, arg_ptr);
 
    // return ConPutsPaging(Pager, PagePrompt, StartPaging, szOut);
    return ConWritePaging(Pager, PagePrompt, StartPaging,
                          szOut, wcslen(szOut));
}

Referenced by ConOutPrintfPaging(), and DirPrintf().

ConRingBell()

VOID ConRingBell

(

HANDLE

hOutput

)

Definition at line 287 of file console.c.

{
#if 0
    /* Emit an error beep sound */
    if (IsConsoleHandle(hOutput))
        Beep(800, 200);
    else if (IsTTYHandle(hOutput))
        ConOutPuts(_T("\a")); // BEL character 0x07
    else
#endif
        MessageBeep(-1);
}

Referenced by cmd_beep().

ConSetScreenColor()

BOOL ConSetScreenColor	(	HANDLE	hOutput,
		WORD	wColor,
		BOOL	bFill
	)

Definition at line 302 of file console.c.

{
    DWORD dwWritten;
    CONSOLE_SCREEN_BUFFER_INFO csbi;
    COORD coPos;
 
    /* Foreground and Background colors can't be the same */
    if ((wColor & 0x0F) == (wColor & 0xF0) >> 4)
        return FALSE;
 
    /* Fill the whole background if needed */
    if (bFill)
    {
        GetConsoleScreenBufferInfo(hOutput, &csbi);
 
        coPos.X = 0;
        coPos.Y = 0;
        FillConsoleOutputAttribute(hOutput,
                                   wColor & 0x00FF,
                                   csbi.dwSize.X * csbi.dwSize.Y,
                                   coPos,
                                   &dwWritten);
    }
 
    /* Set the text attribute */
    SetConsoleTextAttribute(hOutput, wColor & 0x00FF);
    return TRUE;
}

Referenced by CommandColor(), and Initialize().

ConSetTitle()

BOOL ConSetTitle

(

IN LPCTSTR

lpConsoleTitle

)

Definition at line 280 of file console.c.

{
    /* Now really set the console title */
    return SetConsoleTitle(lpConsoleTitle);
}

Referenced by cmd_title(), ResetConTitle(), and SetConTitle().

GetCursorX()

SHORT GetCursorX

(

VOID

)

Definition at line 210 of file console.c.

{
    CONSOLE_SCREEN_BUFFER_INFO csbi;
 
    GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
    return csbi.dwCursorPosition.X;
}

Referenced by ReadCommand().

GetCursorXY()

VOID GetCursorXY	(	PSHORT	x,
		PSHORT	y
	)

Definition at line 200 of file console.c.

{
    CONSOLE_SCREEN_BUFFER_INFO csbi;
 
    GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
 
    *x = csbi.dwCursorPosition.X;
    *y = csbi.dwCursorPosition.Y;
}

Referenced by ReadCommand().

GetCursorY()

SHORT GetCursorY

(

VOID

)

Definition at line 218 of file console.c.

{
    CONSOLE_SCREEN_BUFFER_INFO csbi;
 
    GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
    return csbi.dwCursorPosition.Y;
}

Referenced by PagePrompt(), PrintPrompt(), and ReadCommand().

GetScreenSize()

VOID GetScreenSize	(	PSHORT	maxx,
		PSHORT	maxy
	)

Definition at line 236 of file console.c.

{
    CONSOLE_SCREEN_BUFFER_INFO csbi;
 
    if (!GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi))
    {
        csbi.dwSize.X = 80;
        csbi.dwSize.Y = 25;
    }
 
    if (maxx) *maxx = csbi.dwSize.X;
    if (maxy) *maxy = csbi.dwSize.Y;
}

Referenced by CommandScreen(), DirPrintWideList(), and PagePrompt().

SetCursorType()

VOID SetCursorType	(	BOOL	bInsert,
		BOOL	bVisible
	)

Definition at line 226 of file console.c.

{
    CONSOLE_CURSOR_INFO cci;
 
    cci.dwSize = bInsert ? 10 : 99;
    cci.bVisible = bVisible;
 
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cci);
}

Referenced by ReadCommand().

SetCursorXY()

VOID SetCursorXY	(	SHORT	x,
		SHORT	y
	)

Definition at line 191 of file console.c.

{
    COORD coPos;
 
    coPos.X = x;
    coPos.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coPos);
}

Referenced by ClearCommandLine(), CommandScreen(), PagePrompt(), and ReadCommand().

Variable Documentation

InputCodePage

UINT InputCodePage

Definition at line 25 of file console.c.

Referenced by _tmain(), cmd_start(), ConInString(), Execute(), and ReadCommand().

OutputCodePage

UINT OutputCodePage

Definition at line 26 of file console.c.

Referenced by _tmain(), BatchGetString(), cmd_start(), ConGetTextWidthA(), ConGetTextWidthW(), DirPrintWideList(), Execute(), FileGetString(), and Initialize().

StdOutPager

CON_PAGER StdOutPager = INIT_CON_PAGER(&StdOutScreen)

Definition at line 30 of file console.c.

Referenced by ConOutPrintfPaging(), ConOutResPaging(), and DirPrintf().

StdOutScreen

CON_SCREEN StdOutScreen = INIT_CON_SCREEN(StdOut)

Definition at line 29 of file console.c.