windows-nt/Source/XPSP1/NT/inetsrv/iis/admin/common/strfn.h
2020-09-26 16:20:57 +08:00

595 lines
11 KiB
C++

/*++
Copyright (c) 1994-1999 Microsoft Corporation
Module Name :
strfrn.h
Abstract:
String Functions
Author:
Ronald Meijer (ronaldm)
Project:
Internet Services Manager (Cluster Edition)
Revision History:
--*/
#ifndef _STRFN_H
#define _STRFN_H
//
// Helper Macros
//
//
// Get number of array elements
//
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
//
// Compute size of string array in characters. That is, don't count
// the terminal null.
//
#define STRSIZE(str) (ARRAY_SIZE(str)-1)
//
// Get byte count of array
//
#define ARRAY_BYTES(a) (sizeof(a) * sizeof(a[0]))
//
// Get byte count of character elements of a string -- again
// by not including the terminating NULL.
//
#define STRBYTES(str) (ARRAY_BYTES(str) - sizeof(str[0]))
//
// Size in bits
//
#define SIZE_IN_BITS(u) (sizeof(u) * 8)
#define AllocTString(cch)\
(LPTSTR)AllocMem((cch) * sizeof(TCHAR))
#define IS_NETBIOS_NAME(lpstr) (*lpstr == _T('\\'))
//
// Return the portion of a computer name without the backslashes
//
#define PURE_COMPUTER_NAME(lpstr) (IS_NETBIOS_NAME(lpstr) ? lpstr + 2 : lpstr)
//
// Convert CR/LF to LF
//
BOOL
COMDLL
PCToUnixText(
OUT LPWSTR & lpstrDestination,
IN const CString strSource
);
//
// Expand LF to CR/LF (no allocation necessary)
//
BOOL
COMDLL
UnixToPCText(
OUT CString & strDestination,
IN LPCWSTR lpstrSource
);
/*
//
// Straight copy
//
BOOL
COMDLL
TextToText(
OUT LPWSTR & lpstrDestination,
IN const CString & strSource
);
*/
LPSTR
COMDLL
AllocAnsiString(
IN LPCTSTR lpString
);
LPTSTR
COMDLL
AllocString(
IN LPCTSTR lpString,
IN int nLen = -1 // -1 to autodetermine
);
/*
#ifdef UNICODE
//
// Copy W string to T string
//
#define WTSTRCPY(dst, src, cch) \
lstrcpy(dst, src)
//
// Copy T string to W string
//
#define TWSTRCPY(dst, src, cch) \
lstrcpy(dst, src)
//
// Reference a T String as a W String (a nop in Unicode)
//
#define TWSTRREF(str) ((LPWSTR)str)
#else
//
// Convert a T String to a temporary W Buffer, and
// return a pointer to this internal buffer
//
LPWSTR ReferenceAsWideString(LPCTSTR str);
//
// Copy W string to T string
//
#define WTSTRCPY(dst, src, cch) \
WideCharToMultiByte(CP_ACP, 0, src, -1, dst, cch, NULL, NULL)
//
// Copy T string to W string
//
#define TWSTRCPY(dst, src, cch) \
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, src, -1, dst, cch)
//
// Reference a T String as a W String
//
#define TWSTRREF(str) ReferenceAsWideString(str)
#endif // UNICODE
*/
//
// Determine if the given string is a UNC name
//
BOOL
COMDLL
IsUNCName(
IN const CString & strDirPath
);
//
// Determine if the path is e.g. an IFS path
//
BOOL
COMDLL
IsDevicePath(
IN const CString & strDirPath
);
//
// Determine if the path is a fully qualified path in the context
// of the local machine
//
BOOL
COMDLL
IsFullyQualifiedPath(
IN const CString & strDirPath
);
BOOL
COMDLL
PathIsValid(LPCTSTR path);
//
// Determine if the path exists on a network directory in the context
// of the local machine
//
BOOL
COMDLL
IsNetworkPath(
IN const CString & strDirPath,
OUT CString * pstrDrive = NULL,
OUT CString * pstrUNC = NULL
);
//
// Determine if the given string is an URL path
//
BOOL
COMDLL
IsURLName(
IN const CString & strDirPath
);
//
// Determine if the given string describes a relative URL path
//
inline BOOL IsRelURLPath(
IN LPCTSTR lpPath
)
{
ASSERT_READ_PTR(lpPath);
return *lpPath == _T('/');
}
//
// Determine if the given path describes a wild-carded redirection
// path (starts with *;)
//
inline BOOL IsWildcardedRedirectPath(
IN LPCTSTR lpPath
)
{
ASSERT_READ_PTR(lpPath);
return lpPath[0] == '*' && lpPath[1] == ';';
}
//
// Determine if the account is local (doesn't have a computer name)
//
inline BOOL IsLocalAccount(
IN CString & strAccount
)
{
return strAccount.Find(_T('\\')) == -1;
}
//
// Convert local path to UNC path
//
LPCTSTR COMDLL MakeUNCPath(
IN OUT CString & strDir,
IN LPCTSTR lpszOwner,
IN LPCTSTR lpszDirectory
);
//
// Convert GUID to a CString
//
LPCTSTR COMDLL GUIDToCString(
IN REFGUID guid,
OUT CString & str
);
//
// Convert double-null terminated string to a CStringList
//
DWORD COMDLL ConvertDoubleNullListToStringList(
IN LPCTSTR lpstrSrc,
OUT CStringList & strlDest,
IN int cChars = -1
);
//
// Go from a CStringList to a double null terminated list
//
DWORD COMDLL ConvertStringListToDoubleNullList(
IN CStringList & strlSrc,
OUT DWORD & cchDest,
OUT LPTSTR & lpstrDest
);
//
// Convert separated list of strings to CStringList
//
int COMDLL ConvertSepLineToStringList(
IN LPCTSTR lpstrIn,
OUT CStringList & strlOut,
IN LPCTSTR lpstrSep
);
//
// Reverse function of the above
//
LPCTSTR COMDLL ConvertStringListToSepLine(
IN CStringList & strlIn,
OUT CString & strOut,
IN LPCTSTR lpstrSep
);
//
// Advanced atol which recognises hex strings
//
BOOL COMDLL CvtStringToLong(
IN LPCTSTR lpNumber,
OUT DWORD * pdwValue
);
//
// GMT string to time_t
//
BOOL COMDLL CvtGMTStringToInternal(
IN LPCTSTR lpTime,
OUT time_t * ptValue
);
//
// time_t to GMT string
//
void COMDLL CvtInternalToGMTString(
IN time_t tm,
OUT CString & str
);
//
// CString.Find() that's not case-sensitive
//
int COMDLL CStringFindNoCase(
IN const CString & strSrc,
IN LPCTSTR lpszSub
);
//
// Replace the first occurrance of one string
// inside another one. Return error code
//
DWORD COMDLL ReplaceStringInString(
OUT IN CString & strBuffer,
IN CString & strTarget,
IN CString & strReplacement,
IN BOOL fCaseSensitive
);
//
// Replace a path in strTarget with the
// environment variable lpszEnvVar if that
// strTarget path is a superset of the path
// pointed to by lpszEnvVar
//
DWORD COMDLL DeflateEnvironmentVariablePath(
IN LPCTSTR lpszEnvVar,
IN OUT CString & strTarget
);
class COMDLL CStringListEx : public CStringList
/*++
Class Description:
Superclass of CStringList with comparison and assignment
operators.
Public Interface:
operator == Comparison operator
operator != Comparison operator
operator = Assignment operator
--*/
{
//
// ctor
//
public:
CStringListEx(int nBlockSize = 10) : CStringList(nBlockSize) {};
//
// Operators
//
public:
BOOL operator == (const CStringList & strl);
BOOL operator != (const CStringList & strl) { return !operator ==(strl); }
CStringListEx & operator =(const CStringList & strl);
};
class COMDLL CINumber
/*++
Class Description:
Base class for international-friendly number formatting
Public Interface:
NOTES: Consider making this class a template
--*/
{
public:
static BOOL Initialize(BOOL fUserSetting = TRUE);
static CString * _pstrBadNumber;
static BOOL UseSystemDefault();
static BOOL UseUserDefault();
static BOOL IsInitialized();
static LPCTSTR QueryThousandSeparator();
static LPCTSTR QueryDecimalPoint();
static LPCTSTR QueryCurrency();
static double BuildFloat(const LONG lInteger, const LONG lFraction);
static LPCTSTR ConvertLongToString(const LONG lSrc, CString & str);
static LPCTSTR ConvertFloatToString(
IN const double flSrc,
IN int nPrecision,
OUT CString & str
);
static BOOL ConvertStringToLong(LPCTSTR lpsrc, LONG & lValue);
static BOOL ConvertStringToFloat(LPCTSTR lpsrc, double & flValue);
protected:
CINumber();
~CINumber();
protected:
friend BOOL InitIntlSettings();
friend void TerminateIntlSettings();
static BOOL Allocate();
static void DeAllocate();
static BOOL IsAllocated();
protected:
static CString * _pstr;
private:
static CString * _pstrThousandSeparator;
static CString * _pstrDecimalPoint;
static CString * _pstrCurrency;
static BOOL _fCurrencyPrefix;
static BOOL _fInitialized;
static BOOL _fAllocated;
};
class COMDLL CILong : public CINumber
/*++
Class Description:
International-friendly LONG number
Public Interface:
--*/
{
public:
//
// Constructors
//
CILong();
CILong(LONG lValue);
CILong(LPCTSTR lpszValue);
public:
//
// Assignment Operators
//
CILong & operator =(LONG lValue);
CILong & operator =(LPCTSTR lpszValue);
//
// Shorthand Operators
//
CILong & operator +=(const LONG lValue);
CILong & operator +=(const LPCTSTR lpszValue);
CILong & operator +=(const CILong & value);
CILong & operator -=(const LONG lValue);
CILong & operator -=(const LPCTSTR lpszValue);
CILong & operator -=(const CILong & value);
CILong & operator *=(const LONG lValue);
CILong & operator *=(const LPCTSTR lpszValue);
CILong & operator *=(const CILong & value);
CILong & operator /=(const LONG lValue);
CILong & operator /=(const LPCTSTR lpszValue);
CILong & operator /=(const CILong & value);
//
// Comparison operators
//
BOOL operator ==(LONG value);
BOOL operator !=(CILong& value);
//
// Conversion operators
//
operator const LONG() const;
operator LPCTSTR() const;
inline friend CArchive & AFXAPI operator <<(CArchive & ar, CILong & value)
{
return (ar << value.m_lValue);
}
inline friend CArchive & AFXAPI operator >>(CArchive & ar, CILong & value)
{
return (ar >> value.m_lValue);
}
#if defined(_DEBUG) || DBG
//
// CDumpContext stream operator
//
inline friend CDumpContext & AFXAPI operator<<(
CDumpContext & dc,
const CILong & value
)
{
return (dc << value.m_lValue);
}
#endif // _DEBUG
protected:
LONG m_lValue;
};
//
// Inline Expansion
//
// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
inline /* static */ BOOL CINumber::UseSystemDefault()
{
return Initialize(FALSE);
}
inline /* static */ BOOL CINumber::UseUserDefault()
{
return Initialize(TRUE);
}
inline /* static */ BOOL CINumber::IsInitialized()
{
return _fInitialized;
}
inline /* static */ LPCTSTR CINumber::QueryThousandSeparator()
{
return (LPCTSTR)*_pstrThousandSeparator;
}
inline /* static */ LPCTSTR CINumber::QueryDecimalPoint()
{
return (LPCTSTR)*_pstrDecimalPoint;
}
inline /* static */ LPCTSTR CINumber::QueryCurrency()
{
return (LPCTSTR)*_pstrCurrency;
}
inline /* static */ BOOL CINumber::IsAllocated()
{
return _fAllocated;
}
inline BOOL CILong::operator ==(LONG value)
{
return m_lValue == value;
}
inline BOOL CILong::operator !=(CILong& value)
{
return m_lValue != value.m_lValue;
}
inline CILong::operator const LONG() const
{
return m_lValue;
}
inline CILong::operator LPCTSTR() const
{
return CINumber::ConvertLongToString(m_lValue, *CINumber::_pstr);
}
#endif // _STRFN_H