mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
214 lines
4.4 KiB
214 lines
4.4 KiB
/////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Module : Common
|
|
// Description : Generic Parser and CommandLine Definitions
|
|
// Dependency on MFC for CString
|
|
//
|
|
// File : genparse.h
|
|
// Author : kulor
|
|
// Date : 05/08/2000
|
|
//
|
|
// History :
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
#pragma once
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INOUT
|
|
#define INOUT
|
|
#endif
|
|
|
|
#ifndef IN
|
|
#define IN
|
|
#endif
|
|
|
|
#ifndef OUT
|
|
#define OUT
|
|
#endif
|
|
|
|
#define SPACE TEXT (' ')
|
|
#define EQUALSTO TEXT ('=')
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
inline bool SZIsValid
|
|
(
|
|
IN LPCTSTR psz
|
|
)
|
|
{
|
|
return ( psz != NULL ) && ( *psz != NULL );
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
inline void SkipSpaces
|
|
(
|
|
INOUT LPCTSTR pszText
|
|
)
|
|
{
|
|
while (pszText && *pszText == SPACE)
|
|
pszText++;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
inline long Cstrncpy
|
|
(
|
|
INOUT CString &sDest,
|
|
IN LPCTSTR pszSrc,
|
|
IN LONG cText
|
|
)
|
|
{
|
|
long nCopied = cText;
|
|
|
|
while (cText-- > 0) {
|
|
sDest += *pszSrc++;
|
|
}
|
|
|
|
sDest += TCHAR( NULL );
|
|
|
|
return (nCopied);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
class CGenParser {
|
|
public:
|
|
CGenParser ()
|
|
{
|
|
m_pszDelims = TEXT ("-/");
|
|
Initialize ( NULL, NULL );
|
|
}
|
|
|
|
CGenParser ( LPCTSTR pszText , LPCTSTR pszDelims = NULL )
|
|
{
|
|
Initialize (pszText, pszDelims );
|
|
}
|
|
|
|
virtual ~CGenParser ()
|
|
{
|
|
}
|
|
|
|
void SetDelims ( LPCTSTR pszDelims )
|
|
{
|
|
if ( pszDelims )
|
|
m_pszDelims = pszDelims;
|
|
}
|
|
|
|
virtual void Initialize ( LPCTSTR pszText , LPCTSTR pszDelims = NULL )
|
|
{
|
|
m_pszText = pszText;
|
|
SetDelims (pszDelims);
|
|
}
|
|
|
|
bool IsOneof ( TCHAR ch, LPCTSTR pszText , LONG cText )
|
|
{
|
|
for ( int i=0 ; i<cText ; i++ ) {
|
|
if ( pszText[i] == ch )
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
virtual bool IsDelimiter ( TCHAR ch )
|
|
{
|
|
for ( int i=0 ; m_pszDelims[i] ; i++ ) {
|
|
if ( ch == m_pszDelims[i] )
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
virtual LPCTSTR GetNext ()
|
|
{
|
|
while ( SZIsValid (m_pszText) ) {
|
|
|
|
if ( IsDelimiter (*m_pszText) ) {
|
|
LPCTSTR pszBuf = m_pszText;
|
|
m_pszText++;
|
|
return ( pszBuf );
|
|
}
|
|
|
|
m_pszText++;
|
|
}
|
|
return ( NULL );
|
|
}
|
|
|
|
protected:
|
|
LPCTSTR m_pszText;
|
|
LPCTSTR m_pszDelims;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
class CGenCommandLine : public CGenParser {
|
|
|
|
typedef CGenParser BaseClass;
|
|
|
|
public:
|
|
CGenCommandLine ( void ) : BaseClass ()
|
|
{}
|
|
|
|
CGenCommandLine ( LPCTSTR pszCmdLine ) : BaseClass ( pszCmdLine )
|
|
{}
|
|
|
|
virtual ~CGenCommandLine ( void )
|
|
{}
|
|
|
|
virtual LPCTSTR GetNext ()
|
|
{
|
|
m_sToken.Empty ();
|
|
m_sValue.Empty ();
|
|
|
|
LPCTSTR pszRetVal = NULL;
|
|
|
|
// get the next argv
|
|
if ( (pszRetVal = BaseClass::GetNext ()) != NULL ) {
|
|
|
|
LPCTSTR pszBuf = pszRetVal;
|
|
LONG cText = 0;
|
|
|
|
// extract the LHS
|
|
while ( SZIsValid( pszBuf+cText ) && pszBuf[cText] != SPACE && pszBuf[cText] != EQUALSTO )
|
|
cText++;
|
|
|
|
// ignore delimiter
|
|
Cstrncpy ( m_sToken, pszBuf+1, cText-1 );
|
|
|
|
pszBuf += cText;
|
|
|
|
// move to first char after LHS
|
|
cText = 0;
|
|
pszBuf++;
|
|
|
|
// eat white space
|
|
SkipSpaces(pszBuf);
|
|
|
|
if ( IsDelimiter ( *pszBuf ) == false ) {
|
|
|
|
// extract the RHS
|
|
while ( SZIsValid( pszBuf+cText ) && pszBuf[cText] != SPACE )
|
|
cText++;
|
|
|
|
Cstrncpy ( m_sValue, pszBuf, cText );
|
|
}
|
|
|
|
// make the data pointer advance
|
|
BaseClass::m_pszText = pszBuf + cText;
|
|
}
|
|
|
|
return pszRetVal;
|
|
}
|
|
|
|
LPCTSTR GetToken () { return m_sToken; }
|
|
LPCTSTR GetValue () { return m_sValue; }
|
|
|
|
private:
|
|
CString m_sToken;
|
|
CString m_sValue;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|