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.
173 lines
3.1 KiB
173 lines
3.1 KiB
/*++
|
|
|
|
Copyright (c) 1994 Microsoft Corporation
|
|
All rights reserved.
|
|
|
|
Module Name:
|
|
|
|
String.hxx
|
|
|
|
Abstract:
|
|
|
|
Short-short implementation of strings.
|
|
|
|
Author:
|
|
|
|
Albert Ting (AlbertT) 9-June-1994
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef _STRING_HXX
|
|
#define _STRING_HXX
|
|
|
|
class TString {
|
|
|
|
SIGNATURE( 'strg' )
|
|
SAFE_NEW
|
|
|
|
public:
|
|
|
|
//
|
|
// For the default constructor, we initialize _pszString to a
|
|
// global gszState[kValid] string. This allows them to work correctly,
|
|
// but prevents the extra memory allocation.
|
|
//
|
|
// Note: if this class is extended (with reference counting
|
|
// or "smart" reallocations), this strategy may break.
|
|
//
|
|
TString(
|
|
VOID
|
|
);
|
|
|
|
TString(
|
|
IN LPCTSTR psz
|
|
);
|
|
|
|
~TString(
|
|
VOID
|
|
);
|
|
|
|
TString(
|
|
IN const TString &String
|
|
);
|
|
|
|
BOOL
|
|
bEmpty(
|
|
VOID
|
|
) const;
|
|
|
|
BOOL
|
|
bValid(
|
|
VOID
|
|
) const;
|
|
|
|
BOOL
|
|
bUpdate(
|
|
IN LPCTSTR pszNew
|
|
);
|
|
|
|
BOOL
|
|
bLoadString(
|
|
IN HINSTANCE hInst,
|
|
IN UINT uID
|
|
);
|
|
|
|
UINT
|
|
TString::
|
|
uLen(
|
|
VOID
|
|
) const;
|
|
|
|
BOOL
|
|
TString::
|
|
bCat(
|
|
IN LPCTSTR psz
|
|
);
|
|
|
|
//
|
|
// Caution: See function header for usage and side effects.
|
|
//
|
|
BOOL
|
|
TString::
|
|
bFormat(
|
|
IN LPCTSTR pszFmt,
|
|
IN ...
|
|
);
|
|
|
|
//
|
|
// Caution: See function header for usage and side effects.
|
|
//
|
|
BOOL
|
|
TString::
|
|
bvFormat(
|
|
IN LPCTSTR pszFmt,
|
|
IN va_list avlist
|
|
);
|
|
|
|
//
|
|
// Operator overloads.
|
|
//
|
|
operator LPCTSTR( VOID ) const
|
|
{ return _pszString; }
|
|
|
|
friend INT operator==(const TString& String, LPCTSTR& psz)
|
|
{ return !lstrcmp(String._pszString, psz); }
|
|
|
|
friend INT operator==(LPCTSTR& psz, const TString& String)
|
|
{ return !lstrcmp(psz, String._pszString); }
|
|
|
|
friend INT operator==(const TString& String1, const TString& String2)
|
|
{ return !lstrcmp(String1._pszString, String2._pszString); }
|
|
|
|
friend INT operator!=(const TString& String, LPCTSTR& psz)
|
|
{ return lstrcmp(String._pszString, psz) != 0; }
|
|
|
|
friend INT operator!=(LPCTSTR& psz, const TString& String)
|
|
{ return lstrcmp(psz, String._pszString) != 0; }
|
|
|
|
friend INT operator!=(const TString& String1, const TString& String2)
|
|
{ return lstrcmp(String1._pszString, String2._pszString) != 0; }
|
|
|
|
protected:
|
|
|
|
//
|
|
// Not defined; used bUpdate since this forces clients to
|
|
// check whether the assignment succeeded (it may fail due
|
|
// to lack of memory, etc.).
|
|
//
|
|
TString& operator=( LPCTSTR psz );
|
|
TString& operator=(const TString& String);
|
|
|
|
private:
|
|
|
|
|
|
enum StringStatus {
|
|
kValid = 0,
|
|
kInValid = 1,
|
|
};
|
|
|
|
enum {
|
|
kStrIncrement = 256,
|
|
kStrMaxFormatSize = 1024 * 100,
|
|
};
|
|
|
|
LPTSTR _pszString;
|
|
static TCHAR gszNullState[2];
|
|
|
|
LPTSTR
|
|
TString::
|
|
vsntprintf(
|
|
IN LPCTSTR szFmt,
|
|
IN va_list pArgs
|
|
);
|
|
|
|
VOID
|
|
TString::
|
|
vFree(
|
|
IN LPTSTR pszString
|
|
);
|
|
};
|
|
|
|
#endif // ndef _STRING_HXX
|