CShellCommandDir Class Reference

#include <ShellCommandDir.h>

Inheritance diagram for CShellCommandDir:

Collaboration diagram for CShellCommandDir:

Public Member Functions
	CShellCommandDir (CRegistryTree &rTree)
virtual	~CShellCommandDir ()
virtual BOOL	Match (const TCHAR *pchCommand)
virtual int	Execute (CConsole &rConsole, CArgumentParser &rArguments)
virtual const TCHAR *	GetHelpString ()
virtual const TCHAR *	GetHelpShortDescriptionString ()
Public Member Functions inherited from CShellCommand
	CShellCommand ()
virtual	~CShellCommand ()
virtual BOOL	Match (const TCHAR *pchCommand)=0
virtual int	Execute (CConsole &rConsole, CArgumentParser &rArguments)=0
virtual const TCHAR *	GetHelpString ()=0
virtual const TCHAR *	GetHelpShortDescriptionString ()=0

Private Attributes
CRegistryTree &	m_rTree

Detailed Description

Definition at line 12 of file ShellCommandDir.h.

Constructor & Destructor Documentation

CShellCommandDir()

CShellCommandDir::CShellCommandDir

(

CRegistryTree &

rTree

)

Definition at line 51 of file ShellCommandDir.cpp.

                                                      :m_rTree(rTree)
{
}

~CShellCommandDir()

CShellCommandDir::~CShellCommandDir ( )

virtual

Definition at line 55 of file ShellCommandDir.cpp.

{
}

Member Function Documentation

Execute()

int CShellCommandDir::Execute ( CConsole &  rConsole, CArgumentParser &  rArguments  )

virtual

Implements CShellCommand.

Definition at line 72 of file ShellCommandDir.cpp.

{
    rArguments.ResetArgumentIteration();
 
    BOOL blnDo = TRUE,blnBadParameter, blnHelp = FALSE;
    TCHAR *pszParameter;
    TCHAR *pszCommandItself = rArguments.GetNextArgument();
  TCHAR *pszKey = NULL;
 
    if ((_tcsnicmp(pszCommandItself,DIR_CMD _T(".."),DIR_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
        (_tcsnicmp(pszCommandItself,DIR_CMD _T("\\"),DIR_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
    {
        pszKey = pszCommandItself + DIR_CMD_LENGTH;
    }
    else if (_tcsnicmp(pszCommandItself,DIR_CMD _T("/"),DIR_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
    {
        pszParameter = pszCommandItself + DIR_CMD_LENGTH;
        goto CheckDirArgument;
    }
 
    while((pszParameter = rArguments.GetNextArgument()) != NULL)
    {
CheckDirArgument:
        blnBadParameter = FALSE;
        if ((_tcsicmp(pszParameter,_T("/?")) == 0)
            ||(_tcsicmp(pszParameter,_T("-?")) == 0))
        {
            blnHelp = TRUE;
            blnDo = pszKey != NULL;
        }
        else if (!pszKey)
        {
            pszKey = pszParameter;
            blnDo = TRUE;
        }
        else
        {
            blnBadParameter = TRUE;
        }
        if (blnBadParameter)
        {
            rConsole.Write(_T("Bad parameter: "));
            rConsole.Write(pszParameter);
            rConsole.Write(_T("\n"));
        }
    }
 
  const TCHAR *pszPattern = PATTERN_MATCH_ALL;
  const TCHAR *pszPath = _T(".");
 
  if (pszKey)
  {
    pszPath = pszKey;
 
    TCHAR *pch = pszKey;
    while(*pch) // search end of string
      pch++;
 
    if (pch > pszKey) // last non-null char
      pch--;
 
    if (*pch != _T('\\'))
    {
      while ((pch > pszKey) && (*pch != _T('\\')))
        pch--;
 
      if (*pch == _T('\\'))
      {
        pszPattern = pch+1;
 
        if (pch > pszKey)
        {
          ASSERT(*pch == _T('\\'));
          *pch = 0;
        }
        else if (*pch == _T('\\'))
        {
          pszPath = _T("\\");
        }
      }
      else
      {
        pszPattern = pszKey;
        pszPath = _T(".");
      }
    }
  }
 
    CRegistryKey Key;
 
  if (!m_rTree.GetKey(pszPath,KEY_ENUMERATE_SUB_KEYS|KEY_QUERY_VALUE,Key))
  {
    const TCHAR *pszErrorMsg = m_rTree.GetLastErrorDescription();
    rConsole.Write(pszErrorMsg);
    blnDo = FALSE;
  }
 
    if (blnHelp)
    {
        rConsole.Write(GetHelpString());
    }
 
    LONG nError;
 
    if (!blnDo)
    return 0;
 
  rConsole.Write(_T("\n Key is "));
  rConsole.Write(Key.GetKeyName());
 
  if (!Key.IsRoot())
  {
    rConsole.Write(_T("\n Last modify time is "));
    rConsole.Write(Key.GetLastWriteTime());
  }
 
  rConsole.Write(_T("\n\n"));
  unsigned __int64 nTotalItems = 0;
 
  try
  {
    ASSERT(nTotalItems == 0);
    rConsole.Write(_T("\t(KEY)\t\t\t\t..\\\n"));    // parent key abstraction
    nTotalItems = 1;
 
    DWORD dwMaxSubkeyNameLength;
    nError = Key.GetSubkeyNameMaxLength(dwMaxSubkeyNameLength);
    if (nError != ERROR_SUCCESS)
      throw nError;
 
    TCHAR *pszSubkeyNameBuffer = new (std::nothrow) TCHAR[dwMaxSubkeyNameLength];
    if (!pszSubkeyNameBuffer)
      throw ERROR_OUTOFMEMORY;
 
    Key.InitSubkeyEnumeration(pszSubkeyNameBuffer,dwMaxSubkeyNameLength);
    while ((nError = Key.GetNextSubkeyName()) == ERROR_SUCCESS)
    {
      if (PatternMatch(pszPattern,pszSubkeyNameBuffer))
      {
        rConsole.Write(_T("\t(KEY)\t\t\t\t"));
        rConsole.Write(pszSubkeyNameBuffer);
        rConsole.Write(_T("\\\n"));
        nTotalItems++;
      }
    }
 
    delete[] pszSubkeyNameBuffer;
 
    if (nError != ERROR_NO_MORE_ITEMS)
      throw nError;
 
    DWORD dwMaxValueNameBufferSize;
    nError = Key.GetMaxValueNameLength(dwMaxValueNameBufferSize);
    if (nError != ERROR_SUCCESS)
      throw nError;
 
    TCHAR *pchValueNameBuffer = new (std::nothrow) TCHAR[dwMaxValueNameBufferSize];
    if (!pchValueNameBuffer)
      throw ERROR_OUTOFMEMORY;
 
 
    DWORD Type;
    Key.InitValueEnumeration(pchValueNameBuffer,
                             dwMaxValueNameBufferSize,
                             NULL,
                             0,
                             &Type);
 
    DWORD dwValueNameActualLength;
    const TCHAR *pszValueTypeName;
    unsigned int nTabSize = rConsole.GetTabWidth();
    unsigned int nTabs;
    while((nError = Key.GetNextValue(&dwValueNameActualLength)) == ERROR_SUCCESS)
    {
      if (PatternMatch(pszPattern,pchValueNameBuffer))
      {
        rConsole.Write(_T("\t"));
        pszValueTypeName = CRegistryKey::GetValueTypeName(Type);
        nTabs = _tcslen(pszValueTypeName)/nTabSize;
        nTabs = (nTabs < 4)?(4-nTabs):1;
        rConsole.Write(pszValueTypeName);
        while(nTabs--)
          rConsole.Write(_T("\t"));
        rConsole.Write((dwValueNameActualLength == 0)?_T("(Default)"):pchValueNameBuffer);
        rConsole.Write(_T("\n"));
        nTotalItems++;
      }
    }
 
    delete[] pchValueNameBuffer;
 
    if (nError != ERROR_NO_MORE_ITEMS)
      throw nError;
 
  } // try
  catch (LONG nError)
  {
    rConsole.Write(_T("Error "));
    TCHAR Buffer[256];
    rConsole.Write(_itoa(nError,Buffer,10));
    rConsole.Write(_T("\n"));
  }
 
  rConsole.Write(_T("\n Total: "));
  TCHAR Buffer[256];
  rConsole.Write(_ui64tot(nTotalItems,Buffer,10));
  rConsole.Write(_T(" item(s) listed.\n"));
 
    return 0;
}

GetHelpShortDescriptionString()

const TCHAR * CShellCommandDir::GetHelpShortDescriptionString ( )

virtual

Implements CShellCommand.

Definition at line 293 of file ShellCommandDir.cpp.

{
    return DIR_CMD_SHORT_DESC;
}

GetHelpString()

const TCHAR * CShellCommandDir::GetHelpString ( )

virtual

Implements CShellCommand.

Definition at line 283 of file ShellCommandDir.cpp.

{
    return DIR_CMD_SHORT_DESC
            _T("Syntax: ") DIR_CMD _T(" [<PATH>\\][<PATTERN>] [/?]\n\n")
            _T("    <PATH> - Optional relative path to the key on which command will be executed\n")
      _T("    <PATTERN> - Optional pattern. Default is the all matching pattern.")
            _T("    /?    - This help.\n\n")
            _T("Without parameters, command lists keys and values of current key.\n");
}

Referenced by Execute().

Match()

BOOL CShellCommandDir::Match ( const TCHAR *  pchCommand )

virtual

Implements CShellCommand.

Definition at line 59 of file ShellCommandDir.cpp.

{
    if (_tcsicmp(pchCommand,DIR_CMD) == 0)
        return TRUE;
    if (_tcsnicmp(pchCommand,DIR_CMD _T(".."),DIR_CMD_LENGTH+2*sizeof(TCHAR)) == 0)
        return TRUE;
    if (_tcsnicmp(pchCommand,DIR_CMD _T("/"),DIR_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
        return TRUE;
    if (_tcsnicmp(pchCommand,DIR_CMD _T("\\"),DIR_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
        return TRUE;
    return FALSE;
}

Member Data Documentation

m_rTree

CRegistryTree& CShellCommandDir::m_rTree

private

Definition at line 22 of file ShellCommandDir.h.

Referenced by Execute().

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The documentation for this class was generated from the following files:

• modules/rosapps/applications/sysutils/regexpl/ShellCommandDir.h
• modules/rosapps/applications/sysutils/regexpl/ShellCommandDir.cpp