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852 lines
30 KiB
C++
852 lines
30 KiB
C++
// !!! Îñîáåííîñòè:
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// 1. Åñëè â MFC ìîæíî áûëî òàê ïèñàòü:
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// CString str1("qwerty");
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// CString str2;
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// str2.Format(TEXT("str1 = %s"), str1);
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// Òî ïðè èñïîëüçîâàíèè CStringT íàäî ïèñàòü òàê:
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// CStringT str1("qwerty");
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// CStringT str2;
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// str2.Format(TEXT("str1 = %s"), (LPCTSTR)str1);
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#ifndef __FILE__CSTRINGT__
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#define __FILE__CSTRINGT__
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#include <string>
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namespace NSStrings
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{
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template <typename _T, typename _TCHAR>
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class CStringT
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{
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protected:
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_T m_str;
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public:
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CStringT() {}
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CStringT(const CStringT& src) { m_str = src.m_str; }
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CStringT(const char& ch) { _TCHAR c = (_TCHAR)ch; m_src = c; }
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CStringT(const wchar_t& ch) { _TCHAR c = (_TCHAR)ch; m_src = c; }
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// get data length
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int GetLength() const {return m_str.length();}
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// TRUE if zero length
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BOOL IsEmpty() const {return m_str.empty();}
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// clear contents to empty
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void Empty() {m_str.erase();}
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// return single character at zero-based index
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_TCHAR GetAt(int nIndex) const {return m_str[nIndex];}
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// return single character at zero-based index
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_TCHAR operator[](int nIndex) const {return m_str[nIndex];}
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// set a single character at zero-based index
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void SetAt(int nIndex, _TCHAR ch) {m_str[nIndex] = ch;}
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// return pointer to const string
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operator _TCHAR*() const {return m_str.c_str();}
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// ref-counted copy from another CStringT
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const CStringT& operator=(const CStringT& stringSrc) { if (&stringSrc != this) {m_str = (_TCHAR*)stringSrc;} return *this;}
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// set string content to single character
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const CStringT& operator=(wchar_t ch) {_TCHAR c = (_TCHAR)ch; m_str = c; return *this;}
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const CStringT& operator=(char ch) {_TCHAR c = (_TCHAR)ch; m_str = c; return *this;}
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// concatenate from another CStringT
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const CStringT& operator+=(const CStringT& string) {m_str += string.m_str; return *this;}
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// concatenate a single character
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const CStringT& operator+=(char ch) {m_str += (_TCHAR)ch; return *this;}
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const CStringT& operator+=(wchar_t ch) {m_str += (_TCHAR)ch; return *this;}
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friend CStringT operator+(const CStringT& string1, const CStringT& string2) {CStringT str(string1); return (str += string2);}
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friend CStringT operator+(const CStringT& string, char ch) {CStringT str(string); return (str += ch);}
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friend CStringT operator+(char ch, const CStringT& string) {CStringT str(ch); return (str += string);}
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friend CStringT operator+(const CStringT& string, wchar_t ch) {CStringT str(string); return (str += ch);}
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friend CStringT operator+(wchar_t ch, const CStringT& string) {CStringT str(ch); return (str += string);}
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// string comparison
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// straight character comparison
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int Compare (LPCTSTR lpsz) const {return _tcscmp (this->operator LPCTSTR(), lpsz);}
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// compare ignoring case
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int CompareNoCase(LPCTSTR lpsz) const {return _tcsicmp (this->operator LPCTSTR(), lpsz);}
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// NLS aware comparison, case sensitive
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int Collate (LPCTSTR lpsz) const {return _tcscoll (this->operator LPCTSTR(), lpsz);}
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// NLS aware comparison, case insensitive
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int CollateNoCase(LPCTSTR lpsz) const {return _tcsicoll(this->operator LPCTSTR(), lpsz);}
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// simple sub-string extraction
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// return nCount characters starting at zero-based nFirst
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CStringT Mid(int nFirst, int nCount) const { CStringT s; s.m_str = m_str.substr(); }
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// return all characters starting at zero-based nFirst
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CStringT Mid(int nFirst) const {return CStringKS(this->operator LPCTSTR()+max(0,nFirst));}
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// return first nCount characters in string
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CStringKS Left(int nCount) const {CStringKS str; for (int i=0; i<nCount; i++) str += GetAt(i); return str;}
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// return nCount characters from end of string
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CStringKS Right(int nCount) const {return Mid(GetLength()-max(0,nCount));}
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// characters from beginning that are also in passed string
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CStringKS SpanIncluding(LPCTSTR lpszCharSet) const {CStringKS str; for (int i=0; i<GetLength(); i++) if(_tcschr(lpszCharSet, GetAt(i)) != NULL) str += GetAt(i); else break; return str;}
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// characters from beginning that are not also in passed string
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CStringKS SpanExcluding(LPCTSTR lpszCharSet) const {CStringKS str; for (int i=0; i<GetLength(); i++) if(_tcschr(lpszCharSet, GetAt(i)) == NULL) str += GetAt(i); else break; return str;}
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// upper/lower/reverse conversion
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// NLS aware conversion to uppercase
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void MakeUpper() {
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//TCHAR *szStr = new TCHAR[1+GetLength()];
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//_tcscpy(szStr, this->operator LPCTSTR());
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::CharUpper((LPTSTR)this->operator LPCTSTR());//::CharUpper(szStr);
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//m_str = szStr;
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//delete szStr;
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}
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// NLS aware conversion to lowercase
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void MakeLower() {
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//TCHAR *szStr = new TCHAR[1+GetLength()];
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//_tcscpy(szStr, this->operator LPCTSTR());
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::CharLower((LPTSTR)this->operator LPCTSTR());//::CharLower(szStr);
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//m_str = szStr;
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//delete szStr;
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}
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// reverse string right-to-left
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void MakeReverse() {
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int len = GetLength();
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for (int i=0; i<len/2; i++) {
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TCHAR ch = GetAt(i);
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SetAt(i, GetAt(len-i-1));
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SetAt(len-i-1, ch);
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}
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}
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// trimming whitespace (either side)
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// remove whitespace starting from right edge
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void TrimRight() {TrimRight(TEXT(' '));}
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// remove whitespace starting from left side
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void TrimLeft () {TrimLeft (TEXT(' '));}
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// trimming anything (either side)
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// remove continuous occurrences of chTarget starting from right
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void TrimRight(TCHAR chTarget) {
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for (int i=GetLength()-1; i>=0; i--) {
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if (GetAt(i) != chTarget) {
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operator =(Left(i+1));
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break;
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}
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}
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}
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// remove continuous occcurrences of characters in passed string,
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// starting from right
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void TrimRight(LPCTSTR lpszTargets) {
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int pos = -1;
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CStringKS strTargets(lpszTargets);
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for (int i=GetLength()-1; i>=0; i--) {
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if (strTargets.Find(GetAt(i)) != -1) {
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pos = i;
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} else {
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break;
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}
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}
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if (pos >= 0) {
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operator =(Left(pos));
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}
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}
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// remove continuous occurrences of chTarget starting from left
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void TrimLeft(TCHAR chTarget) {
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for (int i=0; i<GetLength(); i++) {
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if (GetAt(i) != chTarget) {
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operator =(Mid(i));
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break;
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}
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}
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}
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// remove continuous occcurrences of characters in
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// passed string, starting from left
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void TrimLeft(LPCTSTR lpszTargets) {
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int pos = -1;
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CStringKS strTargets(lpszTargets);
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for (int i=0; i<GetLength(); i++) {
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if (strTargets.Find(GetAt(i)) != -1) {
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pos = i;
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} else {
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break;
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}
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}
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if (pos >= 0) {
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operator =(Mid(i));
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}
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}
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// advanced manipulation
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// replace occurrences of chOld with chNew
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int Replace(TCHAR chOld, TCHAR chNew) {
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int count = 0;
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for (int i=0; i<GetLength(); i++) {
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if (GetAt(i) == chOld) {
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SetAt(i, chNew);
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count++;
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}
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}
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return count;
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}
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// replace occurrences of substring lpszOld with lpszNew;
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// empty lpszNew removes instances of lpszOld
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int Replace(LPCTSTR lpszOld, LPCTSTR lpszNew) {
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int count = 0;
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if (lpszOld) {
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int pos = 0;
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size_t len = _tcslen(lpszOld);
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do {
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pos = Find(lpszOld, pos);
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if (pos == -1) break;
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count++;
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if (lpszNew) {
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m_str.replace(pos, len, lpszNew);
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} else {
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m_str.erase(pos, len);
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}
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} while (true);
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}
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return count;
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}
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// remove occurrences of chRemove
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int Remove(TCHAR chRemove) {
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int count = 0;
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int i=0;
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while (i<GetLength()) {
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if (GetAt(i) == chRemove) {
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Delete(i);
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count++;
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} else {
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i++;
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}
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}
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return count;
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}
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// insert character at zero-based index; concatenates
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// if index is past end of string
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int Insert(int nIndex, TCHAR ch) {
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m_str.insert(max(0, min(nIndex, GetLength())), 1, ch);
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return GetLength();
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}
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// insert substring at zero-based index; concatenates
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// if index is past end of string
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int Insert(int nIndex, LPCTSTR pstr) {
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if (pstr) {
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m_str.insert(max(0, min(nIndex, GetLength())), pstr);
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}
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return GetLength();
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}
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// delete nCount characters starting at zero-based index
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int Delete(int nIndex, int nCount = 1) {
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const int iRes = GetLength();
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if (nCount > 0) {
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nIndex = max(0, nIndex);
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nCount = min(nCount, GetLength()-nIndex);
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m_str.erase(nIndex, nCount);
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}
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return iRes;
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}
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// searching
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// find character starting at left, -1 if not found
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int Find(TCHAR ch) const {return m_str.find(ch);}
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// find character starting at right
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int ReverseFind(TCHAR ch) const {return m_str.rfind(ch);}
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// find character starting at zero-based index and going right
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int Find(TCHAR ch, int nStart) const {return m_str.find(ch, nStart);}
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// find first instance of any character in passed string
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int FindOneOf(LPCTSTR lpszCharSet) const {return m_str.find_first_of(lpszCharSet);}
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// find first instance of substring
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int Find(LPCTSTR lpszSub) const {return m_str.find(lpszSub);}
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// find first instance of substring starting at zero-based index
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int Find(LPCTSTR lpszSub, int nStart) const {return m_str.find(lpszSub, nStart);}
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// simple formatting
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// printf-like formatting using passed string
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void Format(LPCTSTR lpszFormat, ...) {
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va_list arglist;
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va_start(arglist, lpszFormat);
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FormatV(lpszFormat, arglist);
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va_end(arglist);
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}
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// printf-like formatting using referenced string resource
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void Format(UINT nFormatID, ...) {
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va_list arglist;
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va_start(arglist, nFormatID);
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CStringKS strLoad;
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BOOL bRes = strLoad.LoadString(nFormatID);
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if (bRes) {
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FormatV(strLoad, arglist);
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} else {
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Empty();
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}
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va_end(arglist);
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}
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// printf-like formatting using variable arguments parameter
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void FormatV(LPCTSTR lpszFormat, va_list argList) {
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size_t sizeBuff = 512;
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TCHAR *szFormat = NULL;
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int write = -1;
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do {
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szFormat = new TCHAR[sizeBuff*=2];
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write = _vsntprintf(szFormat, sizeBuff-1, lpszFormat, argList);
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if (write >= 0) {
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m_str = szFormat;
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}
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delete [] szFormat;
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} while (write < 0);
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}
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// formatting for localization (uses FormatMessage API)
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// format using FormatMessage API on passed string
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void FormatMessage(LPCTSTR lpszFormat, ...) {
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va_list argList;
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va_start(argList, lpszFormat);
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LPTSTR lpszTemp;
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if ((::FormatMessage(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,lpszFormat, 0, 0, (LPTSTR)&lpszTemp, 0, &argList) == 0) &&
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(lpszTemp == NULL))
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{
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*this = lpszTemp;
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LocalFree(lpszTemp);
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}
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va_end(argList);
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}
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// format using FormatMessage API on referenced string resource
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void FormatMessage(UINT nFormatID, ...) {
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CStringKS strFormat;
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if (strFormat.LoadString(nFormatID)) {
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va_list argList;
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va_start(argList, nFormatID);
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LPTSTR lpszTemp;
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if ((::FormatMessage(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER, strFormat, 0, 0, (LPTSTR)&lpszTemp, 0, &argList) == 0) &&
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(lpszTemp == NULL))
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{
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*this = lpszTemp;
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LocalFree(lpszTemp);
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}
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va_end(argList);
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}
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}
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// input and output
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//friend CArchive& operator<<(CArchive& ar, const CStringKS& string);
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//friend CArchive& operator>>(CArchive& ar, CStringKS& string);
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// load from string resource
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BOOL LoadString(UINT nID) {
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size_t sizeBuff = 512;
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bool bRepeat;
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int iRes = 0;
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TCHAR *szFormat = NULL;
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do {
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szFormat = new TCHAR[sizeBuff*=2];
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iRes = ::LoadString(::GetModuleHandle(NULL), nID, szFormat, sizeBuff);
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bRepeat = (iRes+1 >= sizeBuff);
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if (!bRepeat)
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m_str = szFormat;
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delete [] szFormat;
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} while (bRepeat);
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return (iRes > 0);
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}
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#ifndef _UNICODE
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// ANSI <-> OEM support (convert string in place)
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// convert string from ANSI to OEM in-place
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void AnsiToOem() {::CharToOem((LPCTSTR)this->operator LPCTSTR(), (LPSTR) this->operator LPCTSTR());}
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// convert string from OEM to ANSI in-place
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void OemToAnsi() {::OemToChar((LPCSTR) this->operator LPCTSTR(), (LPTSTR)this->operator LPCTSTR());}
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#endif
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#ifndef _AFX_NO_BSTR_SUPPORT
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// OLE BSTR support (use for OLE automation)
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// return a BSTR initialized with this CStringKS's data
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BSTR AllocSysString() const {USES_CONVERSION; return SysAllocString(T2COLE(m_str.c_str()));}
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// reallocates the passed BSTR, copies content of this CStringKS to it
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BSTR SetSysString(BSTR* pbstr) const {BSTR szRes = AllocSysString(); if (pbstr) {::SysFreeString(*pbstr); *pbstr=szRes;} return szRes;}
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#endif
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// Access to string implementation buffer as "C" character array
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// get pointer to modifiable buffer at least as long as nMinBufLength
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LPTSTR GetBuffer(int nMinBufLength) {
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if (GetLength() < nMinBufLength) {
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m_str.resize(nMinBufLength);
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}
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return (LPTSTR)this->operator LPCTSTR();
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}
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// release buffer, setting length to nNewLength (or to first nul if -1)
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void ReleaseBuffer(int nNewLength = -1) {
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if (nNewLength != -1) {
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nNewLength = max(0, nNewLength);
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m_str.resize(nNewLength);
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}
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FreeExtra();
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}
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// get pointer to modifiable buffer exactly as long as nNewLength
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LPTSTR GetBufferSetLength(int nNewLength) { return GetBuffer(nNewLength);}
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// release memory allocated to but unused by string
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void FreeExtra() {
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int pos = Find(TEXT('\0'));
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if (pos != -1) {
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m_str.resize(pos);
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}
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}
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};
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class CStringA
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{
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};
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class CStringKS {
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private:
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#ifdef UNICODE
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typedef std::wstring tstring;
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#else
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typedef std:: string tstring;
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#endif // UNICODE
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tstring m_str;
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public:
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// Constructors
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// constructs empty CStringKS
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CStringKS() {}
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// copy constructor
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CStringKS(const CStringKS& stringSrc) : m_str((LPCTSTR)stringSrc) {}
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// from a single character
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CStringKS(TCHAR ch, int nRepeat = 1) : m_str(tstring(nRepeat, ch)) {}
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// from an ANSI string (converts to TCHAR)
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CStringKS(LPCSTR lpsz) {if (lpsz!=NULL) {USES_CONVERSION; m_str = A2CT(lpsz);}}
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// from a UNICODE string (converts to TCHAR)
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CStringKS(LPCWSTR lpsz) {if (lpsz!=NULL) {USES_CONVERSION; m_str = W2CT(lpsz);}}
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// subset of characters from an ANSI string (converts to TCHAR)
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CStringKS(LPCSTR lpch, int nLength) : m_str((LPCTSTR)(CStringKS(lpch).Left(nLength))) {}
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// subset of characters from a UNICODE string (converts to TCHAR)
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CStringKS(LPCWSTR lpch, int nLength) : m_str((LPCTSTR)(CStringKS(lpch).Left(nLength))) {}
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// from unsigned characters
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CStringKS(const unsigned char* psz) {this->operator=(psz);}
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// Attributes & Operations
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// get data length
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int GetLength() const {return m_str.length();}
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// TRUE if zero length
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BOOL IsEmpty() const {return m_str.empty();}
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// clear contents to empty
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void Empty() {m_str.erase();}
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// return single character at zero-based index
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TCHAR GetAt(int nIndex) const {return m_str[nIndex];}
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// return single character at zero-based index
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TCHAR operator[](int nIndex) const {return m_str[nIndex];}
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// set a single character at zero-based index
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void SetAt(int nIndex, TCHAR ch) {m_str[nIndex] = ch;}
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// return pointer to const string
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operator LPCTSTR() const {return m_str.c_str();}
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// overloaded assignment
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// ref-counted copy from another CStringKS
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const CStringKS& operator=(const CStringKS& stringSrc) { if (&stringSrc != this) {m_str = (LPCTSTR)stringSrc;} return *this;}
|
|
// set string content to single character
|
|
const CStringKS& operator=(TCHAR ch) {m_str = ch; return *this;}
|
|
#ifdef _UNICODE
|
|
const CStringKS& operator=(char ch) {TCHAR tCh = ch; m_str = tCh; return *this;}
|
|
#endif
|
|
// copy string content from ANSI string (converts to TCHAR)
|
|
const CStringKS& operator=(LPCSTR lpsz) {m_str = (LPCTSTR)CStringKS(lpsz); return *this;}
|
|
// copy string content from UNICODE string (converts to TCHAR)
|
|
const CStringKS& operator=(LPCWSTR lpsz) {m_str = (LPCTSTR)CStringKS(lpsz); return *this;}
|
|
// copy string content from unsigned chars
|
|
const CStringKS& operator=(const unsigned char* psz) {USES_CONVERSION; m_str = A2CT((const char*)psz); return *this;}
|
|
|
|
// string concatenation
|
|
|
|
// concatenate from another CStringKS
|
|
const CStringKS& operator+=(const CStringKS& string) {m_str += (LPCTSTR)string; return *this;}
|
|
|
|
// concatenate a single character
|
|
const CStringKS& operator+=(TCHAR ch) {m_str += ch; return *this;}
|
|
#ifdef _UNICODE
|
|
// concatenate an ANSI character after converting it to TCHAR
|
|
const CStringKS& operator+=(char ch) {TCHAR tCh = ch; m_str += tCh; return *this;}
|
|
#endif
|
|
// concatenate a UNICODE character after converting it to TCHAR
|
|
const CStringKS& operator+=(LPCTSTR lpsz) {m_str += lpsz; return *this;}
|
|
|
|
friend CStringKS operator+(const CStringKS& string1, const CStringKS& string2) {CStringKS str(string1); return (str += string2);}
|
|
friend CStringKS operator+(const CStringKS& string, TCHAR ch) {CStringKS str(string); return (str += ch );}
|
|
friend CStringKS operator+(TCHAR ch, const CStringKS& string) {CStringKS str(ch ); return (str += string);}
|
|
#ifdef _UNICODE
|
|
friend CStringKS operator+(const CStringKS& string, char ch) {CStringKS str(string); TCHAR tCh = ch; return (str += tCh);}
|
|
friend CStringKS operator+(char ch, const CStringKS& string) {TCHAR tCh = ch; CStringKS str(tCh); return (str += string);}
|
|
#endif
|
|
friend CStringKS operator+(const CStringKS& string, LPCTSTR lpsz) {CStringKS str(string); return (str += lpsz );}
|
|
friend CStringKS operator+(LPCTSTR lpsz, const CStringKS& string) {CStringKS str(lpsz ); return (str += string);}
|
|
|
|
// string comparison
|
|
|
|
// straight character comparison
|
|
int Compare (LPCTSTR lpsz) const {return _tcscmp (this->operator LPCTSTR(), lpsz);}
|
|
// compare ignoring case
|
|
int CompareNoCase(LPCTSTR lpsz) const {return _tcsicmp (this->operator LPCTSTR(), lpsz);}
|
|
// NLS aware comparison, case sensitive
|
|
int Collate (LPCTSTR lpsz) const {return _tcscoll (this->operator LPCTSTR(), lpsz);}
|
|
// NLS aware comparison, case insensitive
|
|
int CollateNoCase(LPCTSTR lpsz) const {return _tcsicoll(this->operator LPCTSTR(), lpsz);}
|
|
|
|
// simple sub-string extraction
|
|
|
|
// return nCount characters starting at zero-based nFirst
|
|
CStringKS Mid(int nFirst, int nCount) const {return Mid(nFirst).Left(nCount);}
|
|
// return all characters starting at zero-based nFirst
|
|
CStringKS Mid(int nFirst) const {return CStringKS(this->operator LPCTSTR()+max(0,nFirst));}
|
|
// return first nCount characters in string
|
|
CStringKS Left(int nCount) const {CStringKS str; for (int i=0; i<nCount; i++) str += GetAt(i); return str;}
|
|
// return nCount characters from end of string
|
|
CStringKS Right(int nCount) const {return Mid(GetLength()-max(0,nCount));}
|
|
|
|
// characters from beginning that are also in passed string
|
|
CStringKS SpanIncluding(LPCTSTR lpszCharSet) const {CStringKS str; for (int i=0; i<GetLength(); i++) if(_tcschr(lpszCharSet, GetAt(i)) != NULL) str += GetAt(i); else break; return str;}
|
|
// characters from beginning that are not also in passed string
|
|
CStringKS SpanExcluding(LPCTSTR lpszCharSet) const {CStringKS str; for (int i=0; i<GetLength(); i++) if(_tcschr(lpszCharSet, GetAt(i)) == NULL) str += GetAt(i); else break; return str;}
|
|
|
|
// upper/lower/reverse conversion
|
|
|
|
// NLS aware conversion to uppercase
|
|
void MakeUpper() {
|
|
//TCHAR *szStr = new TCHAR[1+GetLength()];
|
|
//_tcscpy(szStr, this->operator LPCTSTR());
|
|
::CharUpper((LPTSTR)this->operator LPCTSTR());//::CharUpper(szStr);
|
|
//m_str = szStr;
|
|
//delete szStr;
|
|
}
|
|
// NLS aware conversion to lowercase
|
|
void MakeLower() {
|
|
//TCHAR *szStr = new TCHAR[1+GetLength()];
|
|
//_tcscpy(szStr, this->operator LPCTSTR());
|
|
::CharLower((LPTSTR)this->operator LPCTSTR());//::CharLower(szStr);
|
|
//m_str = szStr;
|
|
//delete szStr;
|
|
}
|
|
// reverse string right-to-left
|
|
void MakeReverse() {
|
|
int len = GetLength();
|
|
for (int i=0; i<len/2; i++) {
|
|
TCHAR ch = GetAt(i);
|
|
SetAt(i, GetAt(len-i-1));
|
|
SetAt(len-i-1, ch);
|
|
}
|
|
}
|
|
|
|
// trimming whitespace (either side)
|
|
|
|
// remove whitespace starting from right edge
|
|
void TrimRight() {TrimRight(TEXT(' '));}
|
|
// remove whitespace starting from left side
|
|
void TrimLeft () {TrimLeft (TEXT(' '));}
|
|
|
|
// trimming anything (either side)
|
|
|
|
// remove continuous occurrences of chTarget starting from right
|
|
void TrimRight(TCHAR chTarget) {
|
|
for (int i=GetLength()-1; i>=0; i--) {
|
|
if (GetAt(i) != chTarget) {
|
|
operator =(Left(i+1));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// remove continuous occcurrences of characters in passed string,
|
|
// starting from right
|
|
void TrimRight(LPCTSTR lpszTargets) {
|
|
int pos = -1;
|
|
CStringKS strTargets(lpszTargets);
|
|
for (int i=GetLength()-1; i>=0; i--) {
|
|
if (strTargets.Find(GetAt(i)) != -1) {
|
|
pos = i;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (pos >= 0) {
|
|
operator =(Left(pos));
|
|
}
|
|
}
|
|
// remove continuous occurrences of chTarget starting from left
|
|
void TrimLeft(TCHAR chTarget) {
|
|
for (int i=0; i<GetLength(); i++) {
|
|
if (GetAt(i) != chTarget) {
|
|
operator =(Mid(i));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// remove continuous occcurrences of characters in
|
|
// passed string, starting from left
|
|
void TrimLeft(LPCTSTR lpszTargets) {
|
|
int pos = -1;
|
|
CStringKS strTargets(lpszTargets);
|
|
for (int i=0; i<GetLength(); i++) {
|
|
if (strTargets.Find(GetAt(i)) != -1) {
|
|
pos = i;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (pos >= 0) {
|
|
operator =(Mid(i));
|
|
}
|
|
}
|
|
|
|
// advanced manipulation
|
|
|
|
// replace occurrences of chOld with chNew
|
|
int Replace(TCHAR chOld, TCHAR chNew) {
|
|
int count = 0;
|
|
for (int i=0; i<GetLength(); i++) {
|
|
if (GetAt(i) == chOld) {
|
|
SetAt(i, chNew);
|
|
count++;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
// replace occurrences of substring lpszOld with lpszNew;
|
|
// empty lpszNew removes instances of lpszOld
|
|
int Replace(LPCTSTR lpszOld, LPCTSTR lpszNew) {
|
|
int count = 0;
|
|
if (lpszOld) {
|
|
int pos = 0;
|
|
size_t len = _tcslen(lpszOld);
|
|
do {
|
|
pos = Find(lpszOld, pos);
|
|
if (pos == -1) break;
|
|
count++;
|
|
if (lpszNew) {
|
|
m_str.replace(pos, len, lpszNew);
|
|
} else {
|
|
m_str.erase(pos, len);
|
|
}
|
|
} while (true);
|
|
}
|
|
return count;
|
|
}
|
|
// remove occurrences of chRemove
|
|
int Remove(TCHAR chRemove) {
|
|
int count = 0;
|
|
int i=0;
|
|
while (i<GetLength()) {
|
|
if (GetAt(i) == chRemove) {
|
|
Delete(i);
|
|
count++;
|
|
} else {
|
|
i++;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
// insert character at zero-based index; concatenates
|
|
// if index is past end of string
|
|
int Insert(int nIndex, TCHAR ch) {
|
|
m_str.insert(max(0, min(nIndex, GetLength())), 1, ch);
|
|
return GetLength();
|
|
}
|
|
// insert substring at zero-based index; concatenates
|
|
// if index is past end of string
|
|
int Insert(int nIndex, LPCTSTR pstr) {
|
|
if (pstr) {
|
|
m_str.insert(max(0, min(nIndex, GetLength())), pstr);
|
|
}
|
|
return GetLength();
|
|
}
|
|
// delete nCount characters starting at zero-based index
|
|
int Delete(int nIndex, int nCount = 1) {
|
|
const int iRes = GetLength();
|
|
if (nCount > 0) {
|
|
nIndex = max(0, nIndex);
|
|
nCount = min(nCount, GetLength()-nIndex);
|
|
m_str.erase(nIndex, nCount);
|
|
}
|
|
return iRes;
|
|
}
|
|
|
|
// searching
|
|
|
|
// find character starting at left, -1 if not found
|
|
int Find(TCHAR ch) const {return m_str.find(ch);}
|
|
// find character starting at right
|
|
int ReverseFind(TCHAR ch) const {return m_str.rfind(ch);}
|
|
// find character starting at zero-based index and going right
|
|
int Find(TCHAR ch, int nStart) const {return m_str.find(ch, nStart);}
|
|
// find first instance of any character in passed string
|
|
int FindOneOf(LPCTSTR lpszCharSet) const {return m_str.find_first_of(lpszCharSet);}
|
|
// find first instance of substring
|
|
int Find(LPCTSTR lpszSub) const {return m_str.find(lpszSub);}
|
|
// find first instance of substring starting at zero-based index
|
|
int Find(LPCTSTR lpszSub, int nStart) const {return m_str.find(lpszSub, nStart);}
|
|
|
|
// simple formatting
|
|
|
|
// printf-like formatting using passed string
|
|
void Format(LPCTSTR lpszFormat, ...) {
|
|
va_list arglist;
|
|
va_start(arglist, lpszFormat);
|
|
FormatV(lpszFormat, arglist);
|
|
va_end(arglist);
|
|
}
|
|
// printf-like formatting using referenced string resource
|
|
void Format(UINT nFormatID, ...) {
|
|
va_list arglist;
|
|
va_start(arglist, nFormatID);
|
|
CStringKS strLoad;
|
|
BOOL bRes = strLoad.LoadString(nFormatID);
|
|
if (bRes) {
|
|
FormatV(strLoad, arglist);
|
|
} else {
|
|
Empty();
|
|
}
|
|
va_end(arglist);
|
|
}
|
|
// printf-like formatting using variable arguments parameter
|
|
void FormatV(LPCTSTR lpszFormat, va_list argList) {
|
|
size_t sizeBuff = 512;
|
|
TCHAR *szFormat = NULL;
|
|
int write = -1;
|
|
do {
|
|
szFormat = new TCHAR[sizeBuff*=2];
|
|
write = _vsntprintf(szFormat, sizeBuff-1, lpszFormat, argList);
|
|
if (write >= 0) {
|
|
m_str = szFormat;
|
|
}
|
|
delete [] szFormat;
|
|
} while (write < 0);
|
|
}
|
|
|
|
// formatting for localization (uses FormatMessage API)
|
|
|
|
// format using FormatMessage API on passed string
|
|
void FormatMessage(LPCTSTR lpszFormat, ...) {
|
|
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))
|
|
{
|
|
*this = lpszTemp;
|
|
LocalFree(lpszTemp);
|
|
}
|
|
va_end(argList);
|
|
}
|
|
// format using FormatMessage API on referenced string resource
|
|
void FormatMessage(UINT nFormatID, ...) {
|
|
CStringKS strFormat;
|
|
if (strFormat.LoadString(nFormatID)) {
|
|
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))
|
|
{
|
|
*this = lpszTemp;
|
|
LocalFree(lpszTemp);
|
|
}
|
|
va_end(argList);
|
|
}
|
|
}
|
|
|
|
// input and output
|
|
//friend CArchive& operator<<(CArchive& ar, const CStringKS& string);
|
|
//friend CArchive& operator>>(CArchive& ar, CStringKS& string);
|
|
|
|
// load from string resource
|
|
BOOL LoadString(UINT nID) {
|
|
size_t sizeBuff = 512;
|
|
bool bRepeat;
|
|
int iRes = 0;
|
|
TCHAR *szFormat = NULL;
|
|
do {
|
|
szFormat = new TCHAR[sizeBuff*=2];
|
|
iRes = ::LoadString(::GetModuleHandle(NULL), nID, szFormat, sizeBuff);
|
|
bRepeat = (iRes+1 >= sizeBuff);
|
|
if (!bRepeat)
|
|
m_str = szFormat;
|
|
delete [] szFormat;
|
|
} while (bRepeat);
|
|
return (iRes > 0);
|
|
}
|
|
|
|
#ifndef _UNICODE
|
|
// ANSI <-> OEM support (convert string in place)
|
|
|
|
// convert string from ANSI to OEM in-place
|
|
void AnsiToOem() {::CharToOem((LPCTSTR)this->operator LPCTSTR(), (LPSTR) this->operator LPCTSTR());}
|
|
// convert string from OEM to ANSI in-place
|
|
void OemToAnsi() {::OemToChar((LPCSTR) this->operator LPCTSTR(), (LPTSTR)this->operator LPCTSTR());}
|
|
#endif
|
|
|
|
#ifndef _AFX_NO_BSTR_SUPPORT
|
|
// OLE BSTR support (use for OLE automation)
|
|
|
|
// return a BSTR initialized with this CStringKS's data
|
|
BSTR AllocSysString() const {USES_CONVERSION; return SysAllocString(T2COLE(m_str.c_str()));}
|
|
// reallocates the passed BSTR, copies content of this CStringKS to it
|
|
BSTR SetSysString(BSTR* pbstr) const {BSTR szRes = AllocSysString(); if (pbstr) {::SysFreeString(*pbstr); *pbstr=szRes;} return szRes;}
|
|
#endif
|
|
|
|
// Access to string implementation buffer as "C" character array
|
|
|
|
// get pointer to modifiable buffer at least as long as nMinBufLength
|
|
LPTSTR GetBuffer(int nMinBufLength) {
|
|
if (GetLength() < nMinBufLength) {
|
|
m_str.resize(nMinBufLength);
|
|
}
|
|
return (LPTSTR)this->operator LPCTSTR();
|
|
}
|
|
// release buffer, setting length to nNewLength (or to first nul if -1)
|
|
void ReleaseBuffer(int nNewLength = -1) {
|
|
if (nNewLength != -1) {
|
|
nNewLength = max(0, nNewLength);
|
|
m_str.resize(nNewLength);
|
|
}
|
|
FreeExtra();
|
|
}
|
|
// get pointer to modifiable buffer exactly as long as nNewLength
|
|
LPTSTR GetBufferSetLength(int nNewLength) { return GetBuffer(nNewLength);}
|
|
// release memory allocated to but unused by string
|
|
void FreeExtra() {
|
|
int pos = Find(TEXT('\0'));
|
|
if (pos != -1) {
|
|
m_str.resize(pos);
|
|
}
|
|
}
|
|
|
|
// Use LockBuffer/UnlockBuffer to turn refcounting off
|
|
|
|
// turn refcounting back on
|
|
LPTSTR LockBuffer();
|
|
// turn refcounting off
|
|
void UnlockBuffer();
|
|
|
|
// Implementation
|
|
public:
|
|
~CStringKS() {}
|
|
int GetAllocLength() const {return GetLength();};
|
|
};
|
|
|
|
} // NSStrings
|
|
|
|
#endif // __FILE__CSTRINGKS__
|