Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
982 lines
22 KiB
C++
982 lines
22 KiB
C++
// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1998 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#include <afxtempl.h>
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#ifdef AFX_AUX_SEG
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#pragma code_seg(AFX_AUX_SEG)
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#endif
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#define new DEBUG_NEW
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//////////////////////////////////////////////////////////////////////////////
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// More sophisticated construction
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CString::CString(TCHAR ch, int nLength)
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{
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Init();
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if (nLength >= 1)
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{
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AllocBuffer(nLength);
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#ifdef _UNICODE
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for (int i = 0; i < nLength; i++)
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m_pchData[i] = ch;
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#else
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memset(m_pchData, ch, nLength);
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#endif
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}
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}
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CString::CString(LPCTSTR lpch, int nLength)
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{
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Init();
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if (nLength != 0)
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{
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ASSERT(AfxIsValidAddress(lpch, nLength, FALSE));
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AllocBuffer(nLength);
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memcpy(m_pchData, lpch, nLength*sizeof(TCHAR));
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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// Special conversion constructors
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#ifdef _UNICODE
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CString::CString(LPCSTR lpsz, int nLength)
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{
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Init();
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if (nLength != 0)
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{
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AllocBuffer(nLength);
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int n = ::MultiByteToWideChar(CP_ACP, 0, lpsz, nLength, m_pchData, nLength+1);
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ReleaseBuffer(n >= 0 ? n : -1);
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}
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}
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#else //_UNICODE
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CString::CString(LPCWSTR lpsz, int nLength)
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{
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Init();
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if (nLength != 0)
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{
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AllocBuffer(nLength*2);
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int n = ::WideCharToMultiByte(CP_ACP, 0, lpsz, nLength, m_pchData,
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(nLength*2)+1, NULL, NULL);
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ReleaseBuffer(n >= 0 ? n : -1);
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}
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}
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#endif //!_UNICODE
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//////////////////////////////////////////////////////////////////////////////
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// Assignment operators
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const CString& CString::operator=(TCHAR ch)
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{
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AssignCopy(1, &ch);
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return *this;
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}
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//////////////////////////////////////////////////////////////////////////////
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// less common string expressions
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CString AFXAPI operator+(const CString& string1, TCHAR ch)
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{
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CString s;
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s.ConcatCopy(string1.GetData()->nDataLength, string1.m_pchData, 1, &ch);
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return s;
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}
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CString AFXAPI operator+(TCHAR ch, const CString& string)
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{
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CString s;
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s.ConcatCopy(1, &ch, string.GetData()->nDataLength, string.m_pchData);
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return s;
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}
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//////////////////////////////////////////////////////////////////////////////
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// Advanced manipulation
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int CString::Delete(int nIndex, int nCount /* = 1 */)
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{
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if (nIndex < 0)
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nIndex = 0;
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int nNewLength = GetData()->nDataLength;
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if (nCount > 0 && nIndex < nNewLength)
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{
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CopyBeforeWrite();
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int nBytesToCopy = nNewLength - (nIndex + nCount) + 1;
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memcpy(m_pchData + nIndex,
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m_pchData + nIndex + nCount, nBytesToCopy * sizeof(TCHAR));
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GetData()->nDataLength = nNewLength - nCount;
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}
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return nNewLength;
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}
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int CString::Insert(int nIndex, TCHAR ch)
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{
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CopyBeforeWrite();
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if (nIndex < 0)
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nIndex = 0;
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int nNewLength = GetData()->nDataLength;
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if (nIndex > nNewLength)
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nIndex = nNewLength;
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nNewLength++;
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if (GetData()->nAllocLength < nNewLength)
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{
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CStringData* pOldData = GetData();
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LPTSTR pstr = m_pchData;
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AllocBuffer(nNewLength);
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memcpy(m_pchData, pstr, (pOldData->nDataLength+1)*sizeof(TCHAR));
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CString::Release(pOldData);
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}
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// move existing bytes down
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memcpy(m_pchData + nIndex + 1,
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m_pchData + nIndex, (nNewLength-nIndex)*sizeof(TCHAR));
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m_pchData[nIndex] = ch;
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GetData()->nDataLength = nNewLength;
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return nNewLength;
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}
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int CString::Insert(int nIndex, LPCTSTR pstr)
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{
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if (nIndex < 0)
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nIndex = 0;
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int nInsertLength = SafeStrlen(pstr);
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int nNewLength = GetData()->nDataLength;
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if (nInsertLength > 0)
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{
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CopyBeforeWrite();
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if (nIndex > nNewLength)
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nIndex = nNewLength;
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nNewLength += nInsertLength;
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if (GetData()->nAllocLength < nNewLength)
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{
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CStringData* pOldData = GetData();
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LPTSTR pstr = m_pchData;
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AllocBuffer(nNewLength);
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memcpy(m_pchData, pstr, (pOldData->nDataLength+1)*sizeof(TCHAR));
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CString::Release(pOldData);
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}
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// move existing bytes down
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memcpy(m_pchData + nIndex + nInsertLength,
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m_pchData + nIndex,
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(nNewLength-nIndex-nInsertLength+1)*sizeof(TCHAR));
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memcpy(m_pchData + nIndex,
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pstr, nInsertLength*sizeof(TCHAR));
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GetData()->nDataLength = nNewLength;
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}
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return nNewLength;
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}
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int CString::Replace(TCHAR chOld, TCHAR chNew)
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{
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int nCount = 0;
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// short-circuit the nop case
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if (chOld != chNew)
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{
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// otherwise modify each character that matches in the string
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CopyBeforeWrite();
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LPTSTR psz = m_pchData;
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LPTSTR pszEnd = psz + GetData()->nDataLength;
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while (psz < pszEnd)
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{
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// replace instances of the specified character only
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if (*psz == chOld)
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{
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*psz = chNew;
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nCount++;
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}
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psz = _tcsinc(psz);
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}
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}
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return nCount;
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}
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int CString::Replace(LPCTSTR lpszOld, LPCTSTR lpszNew)
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{
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// can't have empty or NULL lpszOld
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int nSourceLen = SafeStrlen(lpszOld);
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if (nSourceLen == 0)
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return 0;
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int nReplacementLen = SafeStrlen(lpszNew);
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// loop once to figure out the size of the result string
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int nCount = 0;
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LPTSTR lpszStart = m_pchData;
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LPTSTR lpszEnd = m_pchData + GetData()->nDataLength;
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LPTSTR lpszTarget;
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while (lpszStart < lpszEnd)
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{
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while ((lpszTarget = _tcsstr(lpszStart, lpszOld)) != NULL)
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{
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nCount++;
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lpszStart = lpszTarget + nSourceLen;
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}
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lpszStart += lstrlen(lpszStart) + 1;
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}
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// if any changes were made, make them
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if (nCount > 0)
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{
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CopyBeforeWrite();
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// if the buffer is too small, just
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// allocate a new buffer (slow but sure)
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int nOldLength = GetData()->nDataLength;
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int nNewLength = nOldLength + (nReplacementLen-nSourceLen)*nCount;
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if (GetData()->nAllocLength < nNewLength || GetData()->nRefs > 1)
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{
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CStringData* pOldData = GetData();
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LPTSTR pstr = m_pchData;
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AllocBuffer(nNewLength);
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memcpy(m_pchData, pstr, pOldData->nDataLength*sizeof(TCHAR));
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CString::Release(pOldData);
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}
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// else, we just do it in-place
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lpszStart = m_pchData;
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lpszEnd = m_pchData + GetData()->nDataLength;
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// loop again to actually do the work
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while (lpszStart < lpszEnd)
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{
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while ( (lpszTarget = _tcsstr(lpszStart, lpszOld)) != NULL)
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{
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int nBalance = nOldLength - (lpszTarget - m_pchData + nSourceLen);
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memmove(lpszTarget + nReplacementLen, lpszTarget + nSourceLen,
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nBalance * sizeof(TCHAR));
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memcpy(lpszTarget, lpszNew, nReplacementLen*sizeof(TCHAR));
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lpszStart = lpszTarget + nReplacementLen;
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lpszStart[nBalance] = '\0';
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nOldLength += (nReplacementLen - nSourceLen);
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}
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lpszStart += lstrlen(lpszStart) + 1;
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}
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ASSERT(m_pchData[nNewLength] == '\0');
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GetData()->nDataLength = nNewLength;
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}
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return nCount;
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}
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int CString::Remove(TCHAR chRemove)
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{
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CopyBeforeWrite();
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LPTSTR pstrSource = m_pchData;
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LPTSTR pstrDest = m_pchData;
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LPTSTR pstrEnd = m_pchData + GetData()->nDataLength;
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while (pstrSource < pstrEnd)
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{
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if (*pstrSource != chRemove)
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{
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*pstrDest = *pstrSource;
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pstrDest = _tcsinc(pstrDest);
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}
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pstrSource = _tcsinc(pstrSource);
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}
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*pstrDest = '\0';
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int nCount = pstrSource - pstrDest;
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GetData()->nDataLength -= nCount;
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return nCount;
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}
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//////////////////////////////////////////////////////////////////////////////
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// Very simple sub-string extraction
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CString CString::Mid(int nFirst) const
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{
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return Mid(nFirst, GetData()->nDataLength - nFirst);
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}
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CString CString::Mid(int nFirst, int nCount) const
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{
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// out-of-bounds requests return sensible things
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if (nFirst < 0)
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nFirst = 0;
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if (nCount < 0)
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nCount = 0;
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if (nFirst + nCount > GetData()->nDataLength)
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nCount = GetData()->nDataLength - nFirst;
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if (nFirst > GetData()->nDataLength)
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nCount = 0;
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ASSERT(nFirst >= 0);
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ASSERT(nFirst + nCount <= GetData()->nDataLength);
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// optimize case of returning entire string
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if (nFirst == 0 && nFirst + nCount == GetData()->nDataLength)
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return *this;
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CString dest;
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AllocCopy(dest, nCount, nFirst, 0);
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return dest;
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}
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CString CString::Right(int nCount) const
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{
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if (nCount < 0)
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nCount = 0;
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if (nCount >= GetData()->nDataLength)
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return *this;
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CString dest;
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AllocCopy(dest, nCount, GetData()->nDataLength-nCount, 0);
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return dest;
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}
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CString CString::Left(int nCount) const
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{
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if (nCount < 0)
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nCount = 0;
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if (nCount >= GetData()->nDataLength)
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return *this;
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CString dest;
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AllocCopy(dest, nCount, 0, 0);
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return dest;
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}
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// strspn equivalent
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CString CString::SpanIncluding(LPCTSTR lpszCharSet) const
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{
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ASSERT(AfxIsValidString(lpszCharSet));
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return Left(_tcsspn(m_pchData, lpszCharSet));
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}
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// strcspn equivalent
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CString CString::SpanExcluding(LPCTSTR lpszCharSet) const
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{
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ASSERT(AfxIsValidString(lpszCharSet));
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return Left(_tcscspn(m_pchData, lpszCharSet));
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}
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//////////////////////////////////////////////////////////////////////////////
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// Finding
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int CString::ReverseFind(TCHAR ch) const
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{
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// find last single character
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LPTSTR lpsz = _tcsrchr(m_pchData, (_TUCHAR) ch);
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// return -1 if not found, distance from beginning otherwise
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return (lpsz == NULL) ? -1 : (int)(lpsz - m_pchData);
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}
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// find a sub-string (like strstr)
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int CString::Find(LPCTSTR lpszSub) const
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{
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return Find(lpszSub, 0);
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}
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int CString::Find(LPCTSTR lpszSub, int nStart) const
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{
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ASSERT(AfxIsValidString(lpszSub));
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int nLength = GetData()->nDataLength;
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if (nStart > nLength)
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return -1;
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// find first matching substring
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LPTSTR lpsz = _tcsstr(m_pchData + nStart, lpszSub);
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// return -1 for not found, distance from beginning otherwise
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return (lpsz == NULL) ? -1 : (int)(lpsz - m_pchData);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CString formatting
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#define TCHAR_ARG TCHAR
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#define WCHAR_ARG WCHAR
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#define CHAR_ARG char
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#ifdef _X86_
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#define DOUBLE_ARG _AFX_DOUBLE
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#else
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#define DOUBLE_ARG double
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#endif
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#define FORCE_ANSI 0x10000
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#define FORCE_UNICODE 0x20000
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#define FORCE_INT64 0x40000
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void CString::FormatV(LPCTSTR lpszFormat, va_list argList)
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{
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ASSERT(AfxIsValidString(lpszFormat));
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va_list argListSave = argList;
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// make a guess at the maximum length of the resulting string
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int nMaxLen = 0;
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for (LPCTSTR lpsz = lpszFormat; *lpsz != '\0'; lpsz = _tcsinc(lpsz))
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{
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// handle '%' character, but watch out for '%%'
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if (*lpsz != '%' || *(lpsz = _tcsinc(lpsz)) == '%')
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{
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nMaxLen += _tclen(lpsz);
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continue;
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}
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int nItemLen = 0;
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// handle '%' character with format
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int nWidth = 0;
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for (; *lpsz != '\0'; lpsz = _tcsinc(lpsz))
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{
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// check for valid flags
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if (*lpsz == '#')
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nMaxLen += 2; // for '0x'
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else if (*lpsz == '*')
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nWidth = va_arg(argList, int);
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else if (*lpsz == '-' || *lpsz == '+' || *lpsz == '0' ||
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*lpsz == ' ')
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;
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else // hit non-flag character
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break;
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}
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// get width and skip it
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if (nWidth == 0)
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{
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// width indicated by
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nWidth = _ttoi(lpsz);
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for (; *lpsz != '\0' && _istdigit(*lpsz); lpsz = _tcsinc(lpsz))
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;
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}
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ASSERT(nWidth >= 0);
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int nPrecision = 0;
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if (*lpsz == '.')
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{
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// skip past '.' separator (width.precision)
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lpsz = _tcsinc(lpsz);
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// get precision and skip it
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if (*lpsz == '*')
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{
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nPrecision = va_arg(argList, int);
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lpsz = _tcsinc(lpsz);
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}
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else
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{
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nPrecision = _ttoi(lpsz);
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for (; *lpsz != '\0' && _istdigit(*lpsz); lpsz = _tcsinc(lpsz))
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;
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}
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ASSERT(nPrecision >= 0);
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}
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// should be on type modifier or specifier
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int nModifier = 0;
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if (_tcsncmp(lpsz, _T("I64"), 3) == 0)
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{
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lpsz += 3;
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nModifier = FORCE_INT64;
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#if !defined(_X86_) && !defined(_ALPHA_)
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// __int64 is only available on X86 and ALPHA platforms
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ASSERT(FALSE);
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#endif
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}
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else
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{
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switch (*lpsz)
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{
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// modifiers that affect size
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case 'h':
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nModifier = FORCE_ANSI;
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lpsz = _tcsinc(lpsz);
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break;
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case 'l':
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nModifier = FORCE_UNICODE;
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lpsz = _tcsinc(lpsz);
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break;
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// modifiers that do not affect size
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case 'F':
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case 'N':
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case 'L':
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lpsz = _tcsinc(lpsz);
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break;
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}
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}
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// now should be on specifier
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switch (*lpsz | nModifier)
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{
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// single characters
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case 'c':
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case 'C':
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nItemLen = 2;
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va_arg(argList, TCHAR_ARG);
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break;
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case 'c'|FORCE_ANSI:
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case 'C'|FORCE_ANSI:
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nItemLen = 2;
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va_arg(argList, CHAR_ARG);
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break;
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case 'c'|FORCE_UNICODE:
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case 'C'|FORCE_UNICODE:
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nItemLen = 2;
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|
va_arg(argList, WCHAR_ARG);
|
|
break;
|
|
|
|
// strings
|
|
case 's':
|
|
{
|
|
LPCTSTR pstrNextArg = va_arg(argList, LPCTSTR);
|
|
if (pstrNextArg == NULL)
|
|
nItemLen = 6; // "(null)"
|
|
else
|
|
{
|
|
nItemLen = lstrlen(pstrNextArg);
|
|
nItemLen = max(1, nItemLen);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'S':
|
|
{
|
|
#ifndef _UNICODE
|
|
LPWSTR pstrNextArg = va_arg(argList, LPWSTR);
|
|
if (pstrNextArg == NULL)
|
|
nItemLen = 6; // "(null)"
|
|
else
|
|
{
|
|
nItemLen = wcslen(pstrNextArg);
|
|
nItemLen = max(1, nItemLen);
|
|
}
|
|
#else
|
|
LPCSTR pstrNextArg = va_arg(argList, LPCSTR);
|
|
if (pstrNextArg == NULL)
|
|
nItemLen = 6; // "(null)"
|
|
else
|
|
{
|
|
nItemLen = lstrlenA(pstrNextArg);
|
|
nItemLen = max(1, nItemLen);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 's'|FORCE_ANSI:
|
|
case 'S'|FORCE_ANSI:
|
|
{
|
|
LPCSTR pstrNextArg = va_arg(argList, LPCSTR);
|
|
if (pstrNextArg == NULL)
|
|
nItemLen = 6; // "(null)"
|
|
else
|
|
{
|
|
nItemLen = lstrlenA(pstrNextArg);
|
|
nItemLen = max(1, nItemLen);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 's'|FORCE_UNICODE:
|
|
case 'S'|FORCE_UNICODE:
|
|
{
|
|
LPWSTR pstrNextArg = va_arg(argList, LPWSTR);
|
|
if (pstrNextArg == NULL)
|
|
nItemLen = 6; // "(null)"
|
|
else
|
|
{
|
|
nItemLen = wcslen(pstrNextArg);
|
|
nItemLen = max(1, nItemLen);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// adjust nItemLen for strings
|
|
if (nItemLen != 0)
|
|
{
|
|
if (nPrecision != 0)
|
|
nItemLen = min(nItemLen, nPrecision);
|
|
nItemLen = max(nItemLen, nWidth);
|
|
}
|
|
else
|
|
{
|
|
switch (*lpsz)
|
|
{
|
|
// integers
|
|
case 'd':
|
|
case 'i':
|
|
case 'u':
|
|
case 'x':
|
|
case 'X':
|
|
case 'o':
|
|
if (nModifier & FORCE_INT64)
|
|
va_arg(argList, __int64);
|
|
else
|
|
va_arg(argList, int);
|
|
nItemLen = 32;
|
|
nItemLen = max(nItemLen, nWidth+nPrecision);
|
|
break;
|
|
|
|
case 'e':
|
|
case 'g':
|
|
case 'G':
|
|
va_arg(argList, DOUBLE_ARG);
|
|
nItemLen = 128;
|
|
nItemLen = max(nItemLen, nWidth+nPrecision);
|
|
break;
|
|
|
|
case 'f':
|
|
{
|
|
double f;
|
|
LPTSTR pszTemp;
|
|
|
|
// 312 == strlen("-1+(309 zeroes).")
|
|
// 309 zeroes == max precision of a double
|
|
// 6 == adjustment in case precision is not specified,
|
|
// which means that the precision defaults to 6
|
|
pszTemp = (LPTSTR)_alloca(max(nWidth, 312+nPrecision+6));
|
|
|
|
f = va_arg(argList, double);
|
|
_stprintf( pszTemp, _T( "%*.*f" ), nWidth, nPrecision+6, f );
|
|
nItemLen = _tcslen(pszTemp);
|
|
}
|
|
break;
|
|
|
|
case 'p':
|
|
va_arg(argList, void*);
|
|
nItemLen = 32;
|
|
nItemLen = max(nItemLen, nWidth+nPrecision);
|
|
break;
|
|
|
|
// no output
|
|
case 'n':
|
|
va_arg(argList, int*);
|
|
break;
|
|
|
|
default:
|
|
ASSERT(FALSE); // unknown formatting option
|
|
}
|
|
}
|
|
|
|
// adjust nMaxLen for output nItemLen
|
|
nMaxLen += nItemLen;
|
|
}
|
|
|
|
GetBuffer(nMaxLen);
|
|
VERIFY(_vstprintf(m_pchData, lpszFormat, argListSave) <= GetAllocLength());
|
|
ReleaseBuffer();
|
|
|
|
va_end(argListSave);
|
|
}
|
|
|
|
// formatting (using wsprintf style formatting)
|
|
void AFX_CDECL CString::Format(LPCTSTR lpszFormat, ...)
|
|
{
|
|
ASSERT(AfxIsValidString(lpszFormat));
|
|
|
|
va_list argList;
|
|
va_start(argList, lpszFormat);
|
|
FormatV(lpszFormat, argList);
|
|
va_end(argList);
|
|
}
|
|
|
|
void AFX_CDECL CString::Format(UINT nFormatID, ...)
|
|
{
|
|
CString strFormat;
|
|
VERIFY(strFormat.LoadString(nFormatID) != 0);
|
|
|
|
va_list argList;
|
|
va_start(argList, nFormatID);
|
|
FormatV(strFormat, argList);
|
|
va_end(argList);
|
|
}
|
|
|
|
// formatting (using FormatMessage style formatting)
|
|
void AFX_CDECL CString::FormatMessage(LPCTSTR lpszFormat, ...)
|
|
{
|
|
// format message into temporary buffer lpszTemp
|
|
va_list argList;
|
|
va_start(argList, lpszFormat);
|
|
LPTSTR lpszTemp;
|
|
|
|
if (::FormatMessage(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
|
|
lpszFormat, 0, 0, (LPTSTR)&lpszTemp, 0, &argList) == 0 ||
|
|
lpszTemp == NULL)
|
|
{
|
|
AfxThrowMemoryException();
|
|
}
|
|
|
|
// assign lpszTemp into the resulting string and free the temporary
|
|
*this = lpszTemp;
|
|
LocalFree(lpszTemp);
|
|
va_end(argList);
|
|
}
|
|
|
|
void AFX_CDECL CString::FormatMessage(UINT nFormatID, ...)
|
|
{
|
|
// get format string from string table
|
|
CString strFormat;
|
|
VERIFY(strFormat.LoadString(nFormatID) != 0);
|
|
|
|
// format message into temporary buffer lpszTemp
|
|
va_list argList;
|
|
va_start(argList, nFormatID);
|
|
LPTSTR lpszTemp;
|
|
if (::FormatMessage(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
|
|
strFormat, 0, 0, (LPTSTR)&lpszTemp, 0, &argList) == 0 ||
|
|
lpszTemp == NULL)
|
|
{
|
|
AfxThrowMemoryException();
|
|
}
|
|
|
|
// assign lpszTemp into the resulting string and free lpszTemp
|
|
*this = lpszTemp;
|
|
LocalFree(lpszTemp);
|
|
va_end(argList);
|
|
}
|
|
|
|
void CString::TrimRight(LPCTSTR lpszTargetList)
|
|
{
|
|
// find beginning of trailing matches
|
|
// by starting at beginning (DBCS aware)
|
|
|
|
CopyBeforeWrite();
|
|
LPTSTR lpsz = m_pchData;
|
|
LPTSTR lpszLast = NULL;
|
|
|
|
while (*lpsz != '\0')
|
|
{
|
|
if (_tcschr(lpszTargetList, *lpsz) != NULL)
|
|
{
|
|
if (lpszLast == NULL)
|
|
lpszLast = lpsz;
|
|
}
|
|
else
|
|
lpszLast = NULL;
|
|
lpsz = _tcsinc(lpsz);
|
|
}
|
|
|
|
if (lpszLast != NULL)
|
|
{
|
|
// truncate at left-most matching character
|
|
*lpszLast = '\0';
|
|
GetData()->nDataLength = lpszLast - m_pchData;
|
|
}
|
|
}
|
|
|
|
void CString::TrimRight(TCHAR chTarget)
|
|
{
|
|
// find beginning of trailing matches
|
|
// by starting at beginning (DBCS aware)
|
|
|
|
CopyBeforeWrite();
|
|
LPTSTR lpsz = m_pchData;
|
|
LPTSTR lpszLast = NULL;
|
|
|
|
while (*lpsz != '\0')
|
|
{
|
|
if (*lpsz == chTarget)
|
|
{
|
|
if (lpszLast == NULL)
|
|
lpszLast = lpsz;
|
|
}
|
|
else
|
|
lpszLast = NULL;
|
|
lpsz = _tcsinc(lpsz);
|
|
}
|
|
|
|
if (lpszLast != NULL)
|
|
{
|
|
// truncate at left-most matching character
|
|
*lpszLast = '\0';
|
|
GetData()->nDataLength = lpszLast - m_pchData;
|
|
}
|
|
}
|
|
|
|
void CString::TrimRight()
|
|
{
|
|
// find beginning of trailing spaces by starting at beginning (DBCS aware)
|
|
|
|
CopyBeforeWrite();
|
|
LPTSTR lpsz = m_pchData;
|
|
LPTSTR lpszLast = NULL;
|
|
|
|
while (*lpsz != '\0')
|
|
{
|
|
if (_istspace(*lpsz))
|
|
{
|
|
if (lpszLast == NULL)
|
|
lpszLast = lpsz;
|
|
}
|
|
else
|
|
lpszLast = NULL;
|
|
lpsz = _tcsinc(lpsz);
|
|
}
|
|
|
|
if (lpszLast != NULL)
|
|
{
|
|
// truncate at trailing space start
|
|
*lpszLast = '\0';
|
|
GetData()->nDataLength = lpszLast - m_pchData;
|
|
}
|
|
}
|
|
|
|
void CString::TrimLeft(LPCTSTR lpszTargets)
|
|
{
|
|
// if we're not trimming anything, we're not doing any work
|
|
if (SafeStrlen(lpszTargets) == 0)
|
|
return;
|
|
|
|
CopyBeforeWrite();
|
|
LPCTSTR lpsz = m_pchData;
|
|
|
|
while (*lpsz != '\0')
|
|
{
|
|
if (_tcschr(lpszTargets, *lpsz) == NULL)
|
|
break;
|
|
lpsz = _tcsinc(lpsz);
|
|
}
|
|
|
|
if (lpsz != m_pchData)
|
|
{
|
|
// fix up data and length
|
|
int nDataLength = GetData()->nDataLength - (lpsz - m_pchData);
|
|
memmove(m_pchData, lpsz, (nDataLength+1)*sizeof(TCHAR));
|
|
GetData()->nDataLength = nDataLength;
|
|
}
|
|
}
|
|
|
|
void CString::TrimLeft(TCHAR chTarget)
|
|
{
|
|
// find first non-matching character
|
|
|
|
CopyBeforeWrite();
|
|
LPCTSTR lpsz = m_pchData;
|
|
|
|
while (chTarget == *lpsz)
|
|
lpsz = _tcsinc(lpsz);
|
|
|
|
if (lpsz != m_pchData)
|
|
{
|
|
// fix up data and length
|
|
int nDataLength = GetData()->nDataLength - (lpsz - m_pchData);
|
|
memmove(m_pchData, lpsz, (nDataLength+1)*sizeof(TCHAR));
|
|
GetData()->nDataLength = nDataLength;
|
|
}
|
|
}
|
|
|
|
void CString::TrimLeft()
|
|
{
|
|
// find first non-space character
|
|
|
|
CopyBeforeWrite();
|
|
LPCTSTR lpsz = m_pchData;
|
|
|
|
while (_istspace(*lpsz))
|
|
lpsz = _tcsinc(lpsz);
|
|
|
|
if (lpsz != m_pchData)
|
|
{
|
|
// fix up data and length
|
|
int nDataLength = GetData()->nDataLength - (lpsz - m_pchData);
|
|
memmove(m_pchData, lpsz, (nDataLength+1)*sizeof(TCHAR));
|
|
GetData()->nDataLength = nDataLength;
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CString support for template collections
|
|
|
|
#if _MSC_VER >= 1100
|
|
template<> void AFXAPI ConstructElements<CString> (CString* pElements, int nCount)
|
|
#else
|
|
void AFXAPI ConstructElements(CString* pElements, int nCount)
|
|
#endif
|
|
{
|
|
ASSERT(nCount == 0 ||
|
|
AfxIsValidAddress(pElements, nCount * sizeof(CString)));
|
|
|
|
for (; nCount--; ++pElements)
|
|
memcpy(pElements, &afxEmptyString, sizeof(*pElements));
|
|
}
|
|
|
|
#if _MSC_VER >= 1100
|
|
template<> void AFXAPI DestructElements<CString> (CString* pElements, int nCount)
|
|
#else
|
|
void AFXAPI DestructElements(CString* pElements, int nCount)
|
|
#endif
|
|
{
|
|
ASSERT(nCount == 0 ||
|
|
AfxIsValidAddress(pElements, nCount * sizeof(CString)));
|
|
|
|
for (; nCount--; ++pElements)
|
|
pElements->~CString();
|
|
}
|
|
|
|
#if _MSC_VER >= 1100
|
|
template<> void AFXAPI CopyElements<CString> (CString* pDest, const CString* pSrc, int nCount)
|
|
#else
|
|
void AFXAPI CopyElements(CString* pDest, const CString* pSrc, int nCount)
|
|
#endif
|
|
{
|
|
ASSERT(nCount == 0 ||
|
|
AfxIsValidAddress(pDest, nCount * sizeof(CString)));
|
|
ASSERT(nCount == 0 ||
|
|
AfxIsValidAddress(pSrc, nCount * sizeof(CString)));
|
|
|
|
for (; nCount--; ++pDest, ++pSrc)
|
|
*pDest = *pSrc;
|
|
}
|
|
|
|
#ifndef OLE2ANSI
|
|
#if _MSC_VER >= 1100
|
|
template<> UINT AFXAPI HashKey<LPCWSTR> (LPCWSTR key)
|
|
#else
|
|
UINT AFXAPI HashKey(LPCWSTR key)
|
|
#endif
|
|
{
|
|
UINT nHash = 0;
|
|
while (*key)
|
|
nHash = (nHash<<5) + nHash + *key++;
|
|
return nHash;
|
|
}
|
|
#endif
|
|
|
|
#if _MSC_VER >= 1100
|
|
template<> UINT AFXAPI HashKey<LPCSTR> (LPCSTR key)
|
|
#else
|
|
UINT AFXAPI HashKey(LPCSTR key)
|
|
#endif
|
|
{
|
|
UINT nHash = 0;
|
|
while (*key)
|
|
nHash = (nHash<<5) + nHash + *key++;
|
|
return nHash;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|