315 lines
11 KiB
C++
315 lines
11 KiB
C++
//
|
|
|
|
#define _AFX_NO_BSTR_SUPPORT 1
|
|
|
|
#define AFX_CDECL CDECL
|
|
#define AFXAPI WINAPI
|
|
#define AFX_DATA
|
|
#define AFX_DATADEF
|
|
#define DEBUG_NEW new
|
|
#define TRACE1(s,x) DPRINTF(DM_TRACE,s,x)
|
|
#define VERIFY REQUIRE
|
|
#define _AFX_INLINE inline
|
|
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <conio.h>
|
|
|
|
#include <tchar.h>
|
|
|
|
#include <stidebug.h>
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Strings
|
|
|
|
#ifndef _OLEAUTO_H_
|
|
#ifdef OLE2ANSI
|
|
typedef LPSTR BSTR;
|
|
#else
|
|
typedef LPWSTR BSTR;// must (semantically) match typedef in oleauto.h
|
|
#endif
|
|
#endif
|
|
|
|
struct CStringData
|
|
{
|
|
long nRefs; // reference count
|
|
int nDataLength;
|
|
int nAllocLength;
|
|
// TCHAR data[nAllocLength]
|
|
|
|
TCHAR* data()
|
|
{ return (TCHAR*)(this+1); }
|
|
};
|
|
|
|
class CString
|
|
{
|
|
public:
|
|
// Constructors
|
|
CString();
|
|
CString(const CString& stringSrc);
|
|
CString(TCHAR ch, int nRepeat = 1);
|
|
CString(LPCSTR lpsz);
|
|
CString(LPCWSTR lpsz);
|
|
CString(LPCTSTR lpch, int nLength);
|
|
CString(const unsigned char* psz);
|
|
|
|
// Attributes & Operations
|
|
// as an array of characters
|
|
int GetLength() const;
|
|
BOOL IsEmpty() const;
|
|
void Empty(); // free up the data
|
|
|
|
TCHAR GetAt(int nIndex) const; // 0 based
|
|
TCHAR operator[](int nIndex) const; // same as GetAt
|
|
void SetAt(int nIndex, TCHAR ch);
|
|
operator LPCTSTR() const; // as a C string
|
|
|
|
// overloaded assignment
|
|
const CString& operator=(const CString& stringSrc);
|
|
const CString& operator=(TCHAR ch);
|
|
#ifdef _UNICODE
|
|
const CString& operator=(char ch);
|
|
#endif
|
|
const CString& operator=(LPCSTR lpsz);
|
|
const CString& operator=(LPCWSTR lpsz);
|
|
const CString& operator=(const unsigned char* psz);
|
|
|
|
// string concatenation
|
|
const CString& operator+=(const CString& string);
|
|
const CString& operator+=(TCHAR ch);
|
|
#ifdef _UNICODE
|
|
const CString& operator+=(char ch);
|
|
#endif
|
|
const CString& operator+=(LPCTSTR lpsz);
|
|
|
|
friend CString AFXAPI operator+(const CString& string1,
|
|
const CString& string2);
|
|
friend CString AFXAPI operator+(const CString& string, TCHAR ch);
|
|
friend CString AFXAPI operator+(TCHAR ch, const CString& string);
|
|
#ifdef _UNICODE
|
|
friend CString AFXAPI operator+(const CString& string, char ch);
|
|
friend CString AFXAPI operator+(char ch, const CString& string);
|
|
#endif
|
|
friend CString AFXAPI operator+(const CString& string, LPCTSTR lpsz);
|
|
friend CString AFXAPI operator+(LPCTSTR lpsz, const CString& string);
|
|
|
|
// string comparison
|
|
int Compare(LPCTSTR lpsz) const; // straight character
|
|
int CompareNoCase(LPCTSTR lpsz) const; // ignore case
|
|
int Collate(LPCTSTR lpsz) const; // NLS aware
|
|
|
|
// simple sub-string extraction
|
|
CString Mid(int nFirst, int nCount) const;
|
|
CString Mid(int nFirst) const;
|
|
CString Left(int nCount) const;
|
|
CString Right(int nCount) const;
|
|
|
|
CString SpanIncluding(LPCTSTR lpszCharSet) const;
|
|
CString SpanExcluding(LPCTSTR lpszCharSet) const;
|
|
|
|
// upper/lower/reverse conversion
|
|
void MakeUpper();
|
|
void MakeLower();
|
|
void MakeReverse();
|
|
|
|
// trimming whitespace (either side)
|
|
void TrimRight();
|
|
void TrimLeft();
|
|
|
|
// searching (return starting index, or -1 if not found)
|
|
// look for a single character match
|
|
int Find(TCHAR ch) const; // like "C" strchr
|
|
int ReverseFind(TCHAR ch) const;
|
|
int FindOneOf(LPCTSTR lpszCharSet) const;
|
|
|
|
// look for a specific sub-string
|
|
int Find(LPCTSTR lpszSub) const; // like "C" strstr
|
|
|
|
// simple formatting
|
|
void AFX_CDECL Format(LPCTSTR lpszFormat, ...);
|
|
void AFX_CDECL Format(UINT nFormatID, ...);
|
|
|
|
// formatting for localization (uses FormatMessage API)
|
|
void AFX_CDECL FormatMessage(LPCTSTR lpszFormat, ...);
|
|
void AFX_CDECL FormatMessage(UINT nFormatID, ...);
|
|
|
|
// input and output
|
|
#ifdef _DEBUG
|
|
friend CDumpContext& AFXAPI operator<<(CDumpContext& dc,
|
|
const CString& string);
|
|
#endif
|
|
//friend CArchive& AFXAPI operator<<(CArchive& ar, const CString& string);
|
|
//friend CArchive& AFXAPI operator>>(CArchive& ar, CString& string);
|
|
|
|
// Windows support
|
|
BOOL LoadString(UINT nID); // load from string resource
|
|
// 255 chars max
|
|
#ifndef _UNICODE
|
|
// ANSI <-> OEM support (convert string in place)
|
|
void AnsiToOem();
|
|
void OemToAnsi();
|
|
#endif
|
|
|
|
#ifndef _AFX_NO_BSTR_SUPPORT
|
|
// OLE BSTR support (use for OLE automation)
|
|
BSTR AllocSysString() const;
|
|
BSTR SetSysString(BSTR* pbstr) const;
|
|
#endif
|
|
|
|
// Access to string implementation buffer as "C" character array
|
|
LPTSTR GetBuffer(int nMinBufLength);
|
|
void ReleaseBuffer(int nNewLength = -1);
|
|
LPTSTR GetBufferSetLength(int nNewLength);
|
|
void FreeExtra();
|
|
|
|
// Use LockBuffer/UnlockBuffer to turn refcounting off
|
|
LPTSTR LockBuffer();
|
|
void UnlockBuffer();
|
|
|
|
// Implementation
|
|
public:
|
|
~CString();
|
|
int GetAllocLength() const;
|
|
|
|
protected:
|
|
LPTSTR m_pchData; // pointer to ref counted string data
|
|
|
|
// implementation helpers
|
|
CStringData* GetData() const;
|
|
void Init();
|
|
void AllocCopy(CString& dest, int nCopyLen, int nCopyIndex, int nExtraLen) const;
|
|
void AllocBuffer(int nLen);
|
|
void AssignCopy(int nSrcLen, LPCTSTR lpszSrcData);
|
|
void ConcatCopy(int nSrc1Len, LPCTSTR lpszSrc1Data, int nSrc2Len, LPCTSTR lpszSrc2Data);
|
|
void ConcatInPlace(int nSrcLen, LPCTSTR lpszSrcData);
|
|
void FormatV(LPCTSTR lpszFormat, va_list argList);
|
|
void CopyBeforeWrite();
|
|
void AllocBeforeWrite(int nLen);
|
|
void Release();
|
|
static void PASCAL Release(CStringData* pData);
|
|
static int PASCAL SafeStrlen(LPCTSTR lpsz);
|
|
};
|
|
|
|
// Compare helpers
|
|
bool AFXAPI operator==(const CString& s1, const CString& s2);
|
|
bool AFXAPI operator==(const CString& s1, LPCTSTR s2);
|
|
bool AFXAPI operator==(LPCTSTR s1, const CString& s2);
|
|
bool AFXAPI operator!=(const CString& s1, const CString& s2);
|
|
bool AFXAPI operator!=(const CString& s1, LPCTSTR s2);
|
|
bool AFXAPI operator!=(LPCTSTR s1, const CString& s2);
|
|
bool AFXAPI operator<(const CString& s1, const CString& s2);
|
|
bool AFXAPI operator<(const CString& s1, LPCTSTR s2);
|
|
bool AFXAPI operator<(LPCTSTR s1, const CString& s2);
|
|
bool AFXAPI operator>(const CString& s1, const CString& s2);
|
|
bool AFXAPI operator>(const CString& s1, LPCTSTR s2);
|
|
bool AFXAPI operator>(LPCTSTR s1, const CString& s2);
|
|
bool AFXAPI operator<=(const CString& s1, const CString& s2);
|
|
bool AFXAPI operator<=(const CString& s1, LPCTSTR s2);
|
|
bool AFXAPI operator<=(LPCTSTR s1, const CString& s2);
|
|
bool AFXAPI operator>=(const CString& s1, const CString& s2);
|
|
bool AFXAPI operator>=(const CString& s1, LPCTSTR s2);
|
|
bool AFXAPI operator>=(LPCTSTR s1, const CString& s2);
|
|
|
|
// conversion helpers
|
|
int AFX_CDECL _wcstombsz(char* mbstr, const wchar_t* wcstr, size_t count);
|
|
int AFX_CDECL _mbstowcsz(wchar_t* wcstr, const char* mbstr, size_t count);
|
|
|
|
// Globals
|
|
//extern AFX_DATA TCHAR afxChNil;
|
|
const CString& AFXAPI AfxGetEmptyString();
|
|
#define afxEmptyString AfxGetEmptyString()
|
|
|
|
// CString
|
|
_AFX_INLINE CStringData* CString::GetData() const
|
|
{ ASSERT(m_pchData != NULL); return ((CStringData*)m_pchData)-1; }
|
|
_AFX_INLINE void CString::Init()
|
|
{ m_pchData = afxEmptyString.m_pchData; }
|
|
_AFX_INLINE CString::CString(const unsigned char* lpsz)
|
|
{ Init(); *this = (LPCSTR)lpsz; }
|
|
_AFX_INLINE const CString& CString::operator=(const unsigned char* lpsz)
|
|
{ *this = (LPCSTR)lpsz; return *this; }
|
|
#ifdef _UNICODE
|
|
_AFX_INLINE const CString& CString::operator+=(char ch)
|
|
{ *this += (TCHAR)ch; return *this; }
|
|
_AFX_INLINE const CString& CString::operator=(char ch)
|
|
{ *this = (TCHAR)ch; return *this; }
|
|
_AFX_INLINE CString AFXAPI operator+(const CString& string, char ch)
|
|
{ return string + (TCHAR)ch; }
|
|
_AFX_INLINE CString AFXAPI operator+(char ch, const CString& string)
|
|
{ return (TCHAR)ch + string; }
|
|
#endif
|
|
|
|
_AFX_INLINE int CString::GetLength() const
|
|
{ return GetData()->nDataLength; }
|
|
_AFX_INLINE int CString::GetAllocLength() const
|
|
{ return GetData()->nAllocLength; }
|
|
_AFX_INLINE BOOL CString::IsEmpty() const
|
|
{ return GetData()->nDataLength == 0; }
|
|
_AFX_INLINE CString::operator LPCTSTR() const
|
|
{ return m_pchData; }
|
|
_AFX_INLINE int PASCAL CString::SafeStrlen(LPCTSTR lpsz)
|
|
{ return (lpsz == NULL) ? 0 : lstrlen(lpsz); }
|
|
|
|
// CString support (windows specific)
|
|
_AFX_INLINE int CString::Compare(LPCTSTR lpsz) const
|
|
{ return _tcscmp(m_pchData, lpsz); } // MBCS/Unicode aware
|
|
_AFX_INLINE int CString::CompareNoCase(LPCTSTR lpsz) const
|
|
{ return _tcsicmp(m_pchData, lpsz); } // MBCS/Unicode aware
|
|
// CString::Collate is often slower than Compare but is MBSC/Unicode
|
|
// aware as well as locale-sensitive with respect to sort order.
|
|
_AFX_INLINE int CString::Collate(LPCTSTR lpsz) const
|
|
{ return _tcscoll(m_pchData, lpsz); } // locale sensitive
|
|
|
|
_AFX_INLINE TCHAR CString::GetAt(int nIndex) const
|
|
{
|
|
ASSERT(nIndex >= 0);
|
|
ASSERT(nIndex < GetData()->nDataLength);
|
|
return m_pchData[nIndex];
|
|
}
|
|
_AFX_INLINE TCHAR CString::operator[](int nIndex) const
|
|
{
|
|
// same as GetAt
|
|
ASSERT(nIndex >= 0);
|
|
ASSERT(nIndex < GetData()->nDataLength);
|
|
return m_pchData[nIndex];
|
|
}
|
|
_AFX_INLINE bool AFXAPI operator==(const CString& s1, const CString& s2)
|
|
{ return s1.Compare(s2) == 0; }
|
|
_AFX_INLINE bool AFXAPI operator==(const CString& s1, LPCTSTR s2)
|
|
{ return s1.Compare(s2) == 0; }
|
|
_AFX_INLINE bool AFXAPI operator==(LPCTSTR s1, const CString& s2)
|
|
{ return s2.Compare(s1) == 0; }
|
|
_AFX_INLINE bool AFXAPI operator!=(const CString& s1, const CString& s2)
|
|
{ return s1.Compare(s2) != 0; }
|
|
_AFX_INLINE bool AFXAPI operator!=(const CString& s1, LPCTSTR s2)
|
|
{ return s1.Compare(s2) != 0; }
|
|
_AFX_INLINE bool AFXAPI operator!=(LPCTSTR s1, const CString& s2)
|
|
{ return s2.Compare(s1) != 0; }
|
|
_AFX_INLINE bool AFXAPI operator<(const CString& s1, const CString& s2)
|
|
{ return s1.Compare(s2) < 0; }
|
|
_AFX_INLINE bool AFXAPI operator<(const CString& s1, LPCTSTR s2)
|
|
{ return s1.Compare(s2) < 0; }
|
|
_AFX_INLINE bool AFXAPI operator<(LPCTSTR s1, const CString& s2)
|
|
{ return s2.Compare(s1) > 0; }
|
|
_AFX_INLINE bool AFXAPI operator>(const CString& s1, const CString& s2)
|
|
{ return s1.Compare(s2) > 0; }
|
|
_AFX_INLINE bool AFXAPI operator>(const CString& s1, LPCTSTR s2)
|
|
{ return s1.Compare(s2) > 0; }
|
|
_AFX_INLINE bool AFXAPI operator>(LPCTSTR s1, const CString& s2)
|
|
{ return s2.Compare(s1) < 0; }
|
|
_AFX_INLINE bool AFXAPI operator<=(const CString& s1, const CString& s2)
|
|
{ return s1.Compare(s2) <= 0; }
|
|
_AFX_INLINE bool AFXAPI operator<=(const CString& s1, LPCTSTR s2)
|
|
{ return s1.Compare(s2) <= 0; }
|
|
_AFX_INLINE bool AFXAPI operator<=(LPCTSTR s1, const CString& s2)
|
|
{ return s2.Compare(s1) >= 0; }
|
|
_AFX_INLINE bool AFXAPI operator>=(const CString& s1, const CString& s2)
|
|
{ return s1.Compare(s2) >= 0; }
|
|
_AFX_INLINE bool AFXAPI operator>=(const CString& s1, LPCTSTR s2)
|
|
{ return s1.Compare(s2) >= 0; }
|
|
_AFX_INLINE bool AFXAPI operator>=(LPCTSTR s1, const CString& s2)
|
|
{ return s2.Compare(s1) <= 0; }
|
|
|