Function ContainsSplit

ShellPkg/Application/Shell/Shell.c:205–245

Determine if a command line contains a split operation @param[in] CmdLine The command line to parse. @retval TRUE CmdLine has a valid split. @retval FALSE CmdLine does not have a valid split. **/

  @retval FALSE           CmdLine does not have a valid split.
**/
BOOLEAN
ContainsSplit(
  IN CONST CHAR16 *CmdLine
  )
{
  CONST CHAR16 *TempSpot;
  CONST CHAR16 *FirstQuote;
  CONST CHAR16 *SecondQuote;

  FirstQuote    = FindNextInstance (CmdLine, L"\"", TRUE);
  SecondQuote   = NULL;
  TempSpot      = FindFirstCharacter(CmdLine, L"|", L'^');

  if (FirstQuote == NULL    ||
      TempSpot == NULL      ||
      TempSpot == CHAR_NULL ||
      FirstQuote > TempSpot
      ) {
    return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));
  }

  while ((TempSpot != NULL) && (*TempSpot != CHAR_NULL)) {
    if (FirstQuote == NULL || FirstQuote > TempSpot) {
      break;
    }
    SecondQuote = FindNextInstance (FirstQuote + 1, L"\"", TRUE);
    if (SecondQuote == NULL) {
      break;
    }
    if (SecondQuote < TempSpot) {
      FirstQuote = FindNextInstance (SecondQuote + 1, L"\"", TRUE);
      continue;
    } else {
      FirstQuote = FindNextInstance (SecondQuote + 1, L"\"", TRUE);
      TempSpot = FindFirstCharacter(TempSpot + 1, L"|", L'^');
      continue;
    }
  }

  return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));
}

/**
  Function to start monitoring for CTRL-S using SimpleTextInputEx.  This