//--------------------------------------------------------------------------- // SimpStr.h - defines simple string classes //--------------------------------------------------------------------------- #ifndef _SIMPSTR_H_ #define _SIMPSTR_H_ //--------------------------------------------------------------------------- class CWideString // simplified version of CString { protected: void Init(LPCWSTR pszString = NULL) { _pWideString = NULL; if (pszString) { int len = lstrlen(pszString) + 1; if (len > 0) { _pWideString = new WCHAR[len]; if (_pWideString) { lstrcpyn(_pWideString, pszString, len); } } } } public: //-------------------------------------------------------------- CWideString(LPCWSTR pszString=NULL) { Init(pszString); } //-------------------------------------------------------------- CWideString(CWideString &wsCopy) { Init(wsCopy._pWideString); } //-------------------------------------------------------------- ~CWideString() { if (_pWideString) delete [] _pWideString; } //-------------------------------------------------------------- CWideString & operator = (CWideString &wsNew) { //---- delete our old string ---- if (_pWideString) { delete [] _pWideString; } Init(wsNew._pWideString); return *this; } //-------------------------------------------------------------- CWideString & operator = (LPCWSTR pNewString) { //---- delete our old string ---- if (_pWideString) { delete [] _pWideString; } Init(pNewString); return *this; } //-------------------------------------------------------------- operator LPCWSTR() const { return _pWideString; } //-------------------------------------------------------------- int GetLength() { int iLen = 0; if (_pWideString) { iLen = lstrlen(_pWideString); } return iLen; } //-------------------------------------------------------------- protected: LPWSTR _pWideString; }; //--------------------------------------------------------------------------- template class CSimpleArray { public: T* m_aT; int m_nSize; int m_nAllocSize; // Construction/destruction CSimpleArray() : m_aT(NULL), m_nSize(0), m_nAllocSize(0) { } ~CSimpleArray() { RemoveAll(); } // Operations int GetSize() const { return m_nSize; } BOOL Add(T& t) { if(m_nSize == m_nAllocSize) { T* aT; int nNewAllocSize = (m_nAllocSize == 0) ? 1 : (m_nSize * 2); aT = (T*)realloc(m_aT, nNewAllocSize * sizeof(T)); if(aT == NULL) return FALSE; m_nAllocSize = nNewAllocSize; m_aT = aT; } m_nSize++; SetAtIndex(m_nSize - 1, t); return TRUE; } BOOL Remove(T& t) { int nIndex = Find(t); if(nIndex == -1) return FALSE; return RemoveAt(nIndex); } BOOL RemoveAt(int nIndex) { //---- always call the dtr ---- #if _MSC_VER >= 1200 m_aT[nIndex].~T(); #else T* MyT; MyT = &m_aT[nIndex]; MyT->~T(); #endif if(nIndex != (m_nSize - 1)) { memmove((void*)&m_aT[nIndex], (void*)&m_aT[nIndex + 1], (m_nSize - (nIndex + 1)) * sizeof(T)); } m_nSize--; return TRUE; } void RemoveAll() { if(m_aT != NULL) { for(int i = 0; i < m_nSize; i++) { #if _MSC_VER >= 1200 m_aT[i].~T(); #else T* MyT; MyT = &m_aT[i]; MyT->~T(); #endif } free(m_aT); m_aT = NULL; } m_nSize = 0; m_nAllocSize = 0; } T& operator[] (int nIndex) const { ATLASSERT(nIndex >= 0 && nIndex < m_nSize); return m_aT[nIndex]; } T* GetData() const { return m_aT; } // Implementation class Wrapper { public: Wrapper(T& _t) : t(_t) { } template void *operator new(size_t, _Ty* p) { return p; } T t; }; void SetAtIndex(int nIndex, T& t) { ATLASSERT(nIndex >= 0 && nIndex < m_nSize); new(m_aT + nIndex) Wrapper(t); } int Find(T& t) const { for(int i = 0; i < m_nSize; i++) { if(m_aT[i] == t) return i; } return -1; // not found } }; #endif // _SIMPSTR_H_ //---------------------------------------------------------------------------