+++ /dev/null
-/*
- * DATE.C - date internal command.
- *
- *
- * History:
- *
- * 08 Jul 1998 (John P. Price)
- * started.
- *
- * 20 Jul 1998 (John P. Price)
- * corrected number of days for December from 30 to 31.
- * (Thanx to Steffen Kaiser for bug report)
- *
- * 27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
- * added config.h include
- *
- * 29-Jul-1998 (Rob Lake)
- * fixed stand-alone mode.
- * Added Pacific C compatible dos_getdate functions
- *
- * 09-Jan-1999 (Eric Kohl)
- * Added locale support
- *
- * 23-Jan-1999 (Eric Kohl)
- * Unicode and redirection safe!
- *
- * 04-Feb-1999 (Eric Kohl)
- * Fixed date input bug.
- *
- * 03-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
- * Remove all hardcoded strings in En.rc
- */
-
-#include "precomp.h"
-
-#ifdef INCLUDE_CMD_DATE
-
-
-static WORD awMonths[2][13] =
-{
- {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
- {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
-};
-
-
-static VOID
-PrintDateString (VOID)
-{
- switch (nDateFormat)
- {
- case 0: /* mmddyy */
- default:
- ConOutResPrintf(STRING_DATE_HELP1, cDateSeparator, cDateSeparator);
- break;
-
- case 1: /* ddmmyy */
- ConOutResPrintf(STRING_DATE_HELP2, cDateSeparator, cDateSeparator);
- break;
-
- case 2: /* yymmdd */
- ConOutResPrintf(STRING_DATE_HELP3, cDateSeparator, cDateSeparator);
- break;
- }
-}
-
-static BOOL
-ReadNumber (LPTSTR *s, LPWORD lpwValue)
-{
- if (_istdigit (**s))
- {
- while (_istdigit (**s))
- {
- *lpwValue = *lpwValue * 10 + **s - _T('0');
- (*s)++;
- }
- return TRUE;
- }
- return FALSE;
-}
-
-static BOOL
-ReadSeparator (LPTSTR *s)
-{
- if (**s == _T('/') || **s == _T('-') || **s == cDateSeparator)
- {
- (*s)++;
- return TRUE;
- }
- return FALSE;
-}
-
-static BOOL
-ParseDate (LPTSTR s)
-{
- SYSTEMTIME d;
- unsigned char leap;
- LPTSTR p = s;
-
- if (!*s)
- return TRUE;
-
- GetLocalTime (&d);
-
- d.wYear = 0;
- d.wDay = 0;
- d.wMonth = 0;
-
- switch (nDateFormat)
- {
- case 0: /* mmddyy */
- default:
- if (!ReadNumber (&p, &d.wMonth))
- return FALSE;
- if (!ReadSeparator (&p))
- return FALSE;
- if (!ReadNumber (&p, &d.wDay))
- return FALSE;
- if (!ReadSeparator (&p))
- return FALSE;
- if (!ReadNumber (&p, &d.wYear))
- return FALSE;
- break;
-
- case 1: /* ddmmyy */
- if (!ReadNumber (&p, &d.wDay))
- return FALSE;
- if (!ReadSeparator (&p))
- return FALSE;
- if (!ReadNumber (&p, &d.wMonth))
- return FALSE;
- if (!ReadSeparator (&p))
- return FALSE;
- if (!ReadNumber (&p, &d.wYear))
- return FALSE;
- break;
-
- case 2: /* yymmdd */
- if (!ReadNumber (&p, &d.wYear))
- return FALSE;
- if (!ReadSeparator (&p))
- return FALSE;
- if (!ReadNumber (&p, &d.wMonth))
- return FALSE;
- if (!ReadSeparator (&p))
- return FALSE;
- if (!ReadNumber (&p, &d.wDay))
- return FALSE;
- break;
- }
-
- /* if only entered two digits: */
- /* assume 2000's if value less than 80 */
- /* assume 1900's if value greater or equal 80 */
- if (d.wYear <= 99)
- {
- if (d.wYear >= 80)
- d.wYear = 1900 + d.wYear;
- else
- d.wYear = 2000 + d.wYear;
- }
-
- leap = (!(d.wYear % 4) && (d.wYear % 100)) || !(d.wYear % 400);
-
- if ((d.wMonth >= 1 && d.wMonth <= 12) &&
- (d.wDay >= 1 && d.wDay <= awMonths[leap][d.wMonth]) &&
- (d.wYear >= 1980 && d.wYear <= 2099))
- {
- SetLocalTime (&d);
- return TRUE;
- }
-
- return FALSE;
-}
-
-
-INT cmd_date (LPTSTR param)
-{
- LPTSTR *arg;
- INT argc;
- INT i;
- BOOL bPrompt = TRUE;
- INT nDateString = -1;
-
- if (!_tcsncmp (param, _T("/?"), 2))
- {
- ConOutResPaging(TRUE,STRING_DATE_HELP4);
- return 0;
- }
-
- nErrorLevel = 0;
-
- /* build parameter array */
- arg = split (param, &argc, FALSE, FALSE);
-
- /* check for options */
- for (i = 0; i < argc; i++)
- {
- if (_tcsicmp (arg[i], _T("/t")) == 0)
- bPrompt = FALSE;
- if ((*arg[i] != _T('/')) && (nDateString == -1))
- nDateString = i;
- }
-
- if (nDateString == -1)
- ConOutPrintf(_T("%s"), GetDateString());
-
- if (!bPrompt)
- {
- freep (arg);
- return 0;
- }
-
- if (nDateString == -1)
- {
- while (TRUE) /* forever loop */
- {
- TCHAR s[40];
-
- PrintDateString ();
- ConInString (s, 40);
- TRACE ("\'%s\'\n", debugstr_aw(s));
- while (*s && s[_tcslen (s) - 1] < _T(' '))
- s[_tcslen (s) - 1] = _T('\0');
- if (ParseDate (s))
- {
- freep (arg);
- return 0;
- }
- ConErrResPuts(STRING_DATE_ERROR);
- }
- }
- else
- {
- if (!ParseDate (arg[nDateString]))
- {
- while (TRUE) /* forever loop */
- {
- TCHAR s[40];
- ConErrResPuts(STRING_DATE_ERROR);
-
- PrintDateString ();
- ConInString (s, 40);
-
- while (*s && s[_tcslen (s) - 1] < _T(' '))
- s[_tcslen (s) - 1] = _T('\0');
- if (ParseDate (s))
- {
- freep (arg);
- return 0;
- }
- }
- }
- }
-
- freep (arg);
- return 0;
-}
-#endif /* INCLUDE_CMD_DATE */
-
-/* EOF */
projects / reactos.git / blobdiff