Initialer Commit

CPP/Common/MyString.h

@@ -0,0 +1,784 @@
+// Common/String.h
+
+#ifndef __COMMON_STRING_H
+#define __COMMON_STRING_H
+
+#include <string.h>
+
+#ifndef _WIN32
+#include <wctype.h>
+#include <wchar.h>
+#endif
+
+#include "MyWindows.h"
+#include "MyTypes.h"
+#include "MyVector.h"
+
+#ifdef _WIN32
+#define IS_PATH_SEPAR(c) ((c) == '\\' || (c) == '/')
+#else
+#define IS_PATH_SEPAR(c) ((c) == CHAR_PATH_SEPARATOR)
+#endif
+
+inline bool IsPathSepar(char    c) { return IS_PATH_SEPAR(c); }
+inline bool IsPathSepar(wchar_t c) { return IS_PATH_SEPAR(c); }
+
+inline unsigned MyStringLen(const char *s)
+{
+  unsigned i;
+  for (i = 0; s[i] != 0; i++);
+  return i;
+}
+
+inline void MyStringCopy(char *dest, const char *src)
+{
+  while ((*dest++ = *src++) != 0);
+}
+
+inline char *MyStpCpy(char *dest, const char *src)
+{
+  for (;;)
+  {
+    char c = *src;
+    *dest = c;
+    if (c == 0)
+      return dest;
+    src++;
+    dest++;
+  }
+}
+
+inline unsigned MyStringLen(const wchar_t *s)
+{
+  unsigned i;
+  for (i = 0; s[i] != 0; i++);
+  return i;
+}
+
+inline void MyStringCopy(wchar_t *dest, const wchar_t *src)
+{
+  while ((*dest++ = *src++) != 0);
+}
+
+/*
+inline wchar_t *MyWcpCpy(wchar_t *dest, const wchar_t *src)
+{
+  for (;;)
+  {
+    wchar_t c = *src;
+    *dest = c;
+    if (c == 0)
+      return dest;
+    src++;
+    dest++;
+  }
+}
+*/
+
+int FindCharPosInString(const char *s, char c) throw();
+int FindCharPosInString(const wchar_t *s, wchar_t c) throw();
+
+#ifdef _WIN32
+  #ifndef _UNICODE
+    #define STRING_UNICODE_THROW
+  #endif
+#endif
+
+#ifndef STRING_UNICODE_THROW
+  #define STRING_UNICODE_THROW throw()
+#endif
+
+/*
+inline char MyCharUpper_Ascii(char c)
+{
+  if (c >= 'a' && c <= 'z')
+    return (char)(c - 0x20);
+  return c;
+}
+inline wchar_t MyCharUpper_Ascii(wchar_t c)
+{
+  if (c >= 'a' && c <= 'z')
+    return (wchar_t)(c - 0x20);
+  return c;
+}
+*/
+
+inline char MyCharLower_Ascii(char c)
+{
+  if (c >= 'A' && c <= 'Z')
+    return (char)((unsigned char)c + 0x20);
+  return c;
+}
+
+inline wchar_t MyCharLower_Ascii(wchar_t c)
+{
+  if (c >= 'A' && c <= 'Z')
+    return (wchar_t)(c + 0x20);
+  return c;
+}
+
+wchar_t MyCharUpper_WIN(wchar_t c) throw();
+
+inline wchar_t MyCharUpper(wchar_t c) throw()
+{
+  if (c < 'a') return c;
+  if (c <= 'z') return (wchar_t)(c - 0x20);
+  if (c <= 0x7F) return c;
+  #ifdef _WIN32
+    #ifdef _UNICODE
+      return (wchar_t)(unsigned)(UINT_PTR)CharUpperW((LPWSTR)(UINT_PTR)(unsigned)c);
+    #else
+      return (wchar_t)MyCharUpper_WIN(c);
+    #endif
+  #else
+    return (wchar_t)towupper(c);
+  #endif
+}
+
+/*
+wchar_t MyCharLower_WIN(wchar_t c) throw();
+
+inline wchar_t MyCharLower(wchar_t c) throw()
+{
+  if (c < 'A') return c;
+  if (c <= 'Z') return (wchar_t)(c + 0x20);
+  if (c <= 0x7F) return c;
+  #ifdef _WIN32
+    #ifdef _UNICODE
+      return (wchar_t)(unsigned)(UINT_PTR)CharLowerW((LPWSTR)(UINT_PTR)(unsigned)c);
+    #else
+      return (wchar_t)MyCharLower_WIN(c);
+    #endif
+  #else
+    return (wchar_t)tolower(c);
+  #endif
+}
+*/
+
+// char *MyStringUpper(char *s) throw();
+// char *MyStringLower(char *s) throw();
+
+// void MyStringUpper_Ascii(wchar_t *s) throw();
+void MyStringLower_Ascii(char *s) throw();
+void MyStringLower_Ascii(wchar_t *s) throw();
+// wchar_t *MyStringUpper(wchar_t *s) STRING_UNICODE_THROW;
+// wchar_t *MyStringLower(wchar_t *s) STRING_UNICODE_THROW;
+
+bool StringsAreEqualNoCase(const wchar_t *s1, const wchar_t *s2) throw();
+
+bool IsString1PrefixedByString2(const char *s1, const char *s2) throw();
+bool IsString1PrefixedByString2(const wchar_t *s1, const wchar_t *s2) throw();
+bool IsString1PrefixedByString2_NoCase(const wchar_t *s1, const wchar_t *s2) throw();
+
+int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2) throw();
+// int MyStringCompareNoCase_N(const wchar_t *s1, const wchar_t *s2, unsigned num) throw();
+
+// ---------- ASCII ----------
+// char values in ASCII strings must be less then 128
+bool StringsAreEqual_Ascii(const wchar_t *u, const char *a) throw();
+bool StringsAreEqualNoCase_Ascii(const char *s1, const char *s2) throw();
+bool StringsAreEqualNoCase_Ascii(const wchar_t *s1, const char *s2) throw();
+bool StringsAreEqualNoCase_Ascii(const wchar_t *s1, const wchar_t *s2) throw();
+
+#define MY_STRING_DELETE(_p_) delete []_p_;
+// #define MY_STRING_DELETE(_p_) my_delete(_p_);
+
+class AString
+{
+  char *_chars;
+  unsigned _len;
+  unsigned _limit;
+
+  void MoveItems(unsigned dest, unsigned src)
+  {
+    memmove(_chars + dest, _chars + src, (size_t)(_len - src + 1) * sizeof(char));
+  }
+  
+  void InsertSpace(unsigned &index, unsigned size);
+  
+  void ReAlloc(unsigned newLimit);
+  void ReAlloc2(unsigned newLimit);
+  void SetStartLen(unsigned len);
+  void Grow_1();
+  void Grow(unsigned n);
+
+  // AString(unsigned num, const char *s);
+  AString(unsigned num, const AString &s);
+  AString(const AString &s, char c); // it's for String + char
+  AString(const char *s1, unsigned num1, const char *s2, unsigned num2);
+
+  friend AString operator+(const AString &s, char c) { return AString(s, c); } ;
+  // friend AString operator+(char c, const AString &s); // is not supported
+
+  friend AString operator+(const AString &s1, const AString &s2);
+  friend AString operator+(const AString &s1, const char    *s2);
+  friend AString operator+(const char    *s1, const AString &s2);
+
+  // ---------- forbidden functions ----------
+  AString &operator+=(wchar_t c);
+  AString &operator=(wchar_t c);
+  AString(wchar_t c);
+  void Find(wchar_t c) const;
+  void Find(wchar_t c, unsigned startIndex) const;
+  void ReverseFind(wchar_t c) const;
+  void InsertAtFront(wchar_t c);
+  void RemoveChar(wchar_t ch);
+  void Replace(wchar_t oldChar, wchar_t newChar);
+
+public:
+  AString();
+  AString(char c);
+  AString(const char *s);
+  AString(const AString &s);
+  ~AString() { MY_STRING_DELETE(_chars); }
+
+  unsigned Len() const { return _len; }
+  bool IsEmpty() const { return _len == 0; }
+  void Empty() { _len = 0; _chars[0] = 0; }
+
+  operator const char *() const { return _chars; }
+  const char *Ptr() const { return _chars; }
+  const char *Ptr(unsigned pos) const { return _chars + pos; }
+  const char *RightPtr(unsigned num) const { return _chars + _len - num; }
+  char Back() const { return _chars[_len - 1]; }
+
+  void ReplaceOneCharAtPos(unsigned pos, char c) { _chars[pos] = c; }
+
+  /* GetBuf(minLen): provides the buffer that can store
+     at least (minLen) characters and additional null terminator.
+     9.35: GetBuf doesn't preserve old characters and terminator */
+  char *GetBuf(unsigned minLen)
+  {
+    if (minLen > _limit)
+      ReAlloc2(minLen);
+    return _chars;
+  }
+  char *GetBuf_SetEnd(unsigned minLen)
+  {
+    if (minLen > _limit)
+      ReAlloc2(minLen);
+    char *chars = _chars;
+    chars[minLen] = 0;
+    _len = minLen;
+    return chars;
+  }
+
+  void ReleaseBuf_SetLen(unsigned newLen) { _len = newLen; }
+  void ReleaseBuf_SetEnd(unsigned newLen) { _len = newLen; _chars[newLen] = 0; }
+  void ReleaseBuf_CalcLen(unsigned maxLen)
+  {
+    char *chars = _chars;
+    chars[maxLen] = 0;
+    _len = MyStringLen(chars);
+  }
+
+  AString &operator=(char c);
+  AString &operator=(const char *s);
+  AString &operator=(const AString &s);
+  void SetFromWStr_if_Ascii(const wchar_t *s);
+  // void SetFromBstr_if_Ascii(BSTR s);
+
+  AString &operator+=(char c)
+  {
+    if (_limit == _len)
+      Grow_1();
+    unsigned len = _len;
+    char *chars = _chars;
+    chars[len++] = c;
+    chars[len] = 0;
+    _len = len;
+    return *this;
+  }
+  
+  void Add_Space();
+  void Add_Space_if_NotEmpty();
+  void Add_LF();
+  void Add_PathSepar() { operator+=(CHAR_PATH_SEPARATOR); }
+
+  AString &operator+=(const char *s);
+  AString &operator+=(const AString &s);
+  void AddAscii(const char *s) { operator+=(s); }
+
+  void SetFrom(const char *s, unsigned len); // no check
+  void SetFrom_CalcLen(const char *s, unsigned len);
+  // void SetFromAscii(const char *s) { operator+=(s); }
+
+  AString Mid(unsigned startIndex, unsigned count) const { return AString(count, _chars + startIndex); }
+  AString Left(unsigned count) const { return AString(count, *this); }
+
+  // void MakeUpper() { MyStringUpper(_chars); }
+  // void MakeLower() { MyStringLower(_chars); }
+  void MakeLower_Ascii() { MyStringLower_Ascii(_chars); }
+
+
+  bool IsEqualTo(const char *s) const { return strcmp(_chars, s) == 0; }
+  bool IsEqualTo_Ascii_NoCase(const char *s) const { return StringsAreEqualNoCase_Ascii(_chars, s); }
+  // int Compare(const char *s) const { return MyStringCompare(_chars, s); }
+  // int Compare(const AString &s) const { return MyStringCompare(_chars, s._chars); }
+  // int CompareNoCase(const char *s) const { return MyStringCompareNoCase(_chars, s); }
+  // int CompareNoCase(const AString &s) const { return MyStringCompareNoCase(_chars, s._chars); }
+  bool IsPrefixedBy(const char *s) const { return IsString1PrefixedByString2(_chars, s); }
+  bool IsPrefixedBy_Ascii_NoCase(const char *s) const throw();
+ 
+  bool IsAscii() const
+  {
+    unsigned len = Len();
+    const char *s = _chars;
+    for (unsigned i = 0; i < len; i++)
+      if ((unsigned char)s[i] >= 0x80)
+        return false;
+    return true;
+  }
+  int Find(char c) const { return FindCharPosInString(_chars, c); }
+  int Find(char c, unsigned startIndex) const
+  {
+    int pos = FindCharPosInString(_chars + startIndex, c);
+    return pos < 0 ? -1 : (int)startIndex + pos;
+  }
+  
+  int ReverseFind(char c) const throw();
+  int ReverseFind_Dot() const throw() { return ReverseFind('.'); }
+  int ReverseFind_PathSepar() const throw();
+
+  int Find(const char *s) const { return Find(s, 0); }
+  int Find(const char *s, unsigned startIndex) const throw();
+  
+  void TrimLeft() throw();
+  void TrimRight() throw();
+  void Trim()
+  {
+    TrimRight();
+    TrimLeft();
+  }
+
+  void InsertAtFront(char c);
+  // void Insert(unsigned index, char c);
+  void Insert(unsigned index, const char *s);
+  void Insert(unsigned index, const AString &s);
+
+  void RemoveChar(char ch) throw();
+  
+  void Replace(char oldChar, char newChar) throw();
+  void Replace(const AString &oldString, const AString &newString);
+
+  void Delete(unsigned index) throw();
+  void Delete(unsigned index, unsigned count) throw();
+  void DeleteFrontal(unsigned num) throw();
+  void DeleteBack() { _chars[--_len] = 0; }
+  void DeleteFrom(unsigned index)
+  {
+    if (index < _len)
+    {
+      _len = index;
+      _chars[index] = 0;
+    }
+  }
+};
+
+bool operator<(const AString &s1, const AString &s2);
+bool operator>(const AString &s1, const AString &s2);
+
+/*
+bool operator==(const AString &s1, const AString &s2);
+bool operator==(const AString &s1, const char    *s2);
+bool operator==(const char    *s1, const AString &s2);
+
+bool operator!=(const AString &s1, const AString &s2);
+bool operator!=(const AString &s1, const char    *s2);
+bool operator!=(const char    *s1, const AString &s2);
+*/
+
+inline bool operator==(const AString &s1, const AString &s2) { return s1.Len() == s2.Len() && strcmp(s1, s2) == 0; }
+inline bool operator==(const AString &s1, const char    *s2) { return strcmp(s1, s2) == 0; }
+inline bool operator==(const char    *s1, const AString &s2) { return strcmp(s1, s2) == 0; }
+
+inline bool operator!=(const AString &s1, const AString &s2) { return s1.Len() != s2.Len() || strcmp(s1, s2) != 0; }
+inline bool operator!=(const AString &s1, const char    *s2) { return strcmp(s1, s2) != 0; }
+inline bool operator!=(const char    *s1, const AString &s2) { return strcmp(s1, s2) != 0; }
+
+// ---------- forbidden functions ----------
+
+void operator==(char c1, const AString &s2);
+void operator==(const AString &s1, char c2);
+
+void operator+(char c, const AString &s); // this function can be OK, but we don't use it
+
+void operator+(const AString &s, int c);
+void operator+(const AString &s, unsigned c);
+void operator+(int c, const AString &s);
+void operator+(unsigned c, const AString &s);
+void operator-(const AString &s, int c);
+void operator-(const AString &s, unsigned c);
+
+
+class UString
+{
+  wchar_t *_chars;
+  unsigned _len;
+  unsigned _limit;
+
+  void MoveItems(unsigned dest, unsigned src)
+  {
+    memmove(_chars + dest, _chars + src, (size_t)(_len - src + 1) * sizeof(wchar_t));
+  }
+  
+  void InsertSpace(unsigned index, unsigned size);
+  
+  void ReAlloc(unsigned newLimit);
+  void ReAlloc2(unsigned newLimit);
+  void SetStartLen(unsigned len);
+  void Grow_1();
+  void Grow(unsigned n);
+
+  UString(unsigned num, const wchar_t *s); // for Mid
+  UString(unsigned num, const UString &s); // for Left
+  UString(const UString &s, wchar_t c); // it's for String + char
+  UString(const wchar_t *s1, unsigned num1, const wchar_t *s2, unsigned num2);
+
+  friend UString operator+(const UString &s, wchar_t c) { return UString(s, c); } ;
+  // friend UString operator+(wchar_t c, const UString &s); // is not supported
+
+  friend UString operator+(const UString &s1, const UString &s2);
+  friend UString operator+(const UString &s1, const wchar_t *s2);
+  friend UString operator+(const wchar_t *s1, const UString &s2);
+
+  // ---------- forbidden functions ----------
+  
+  UString &operator+=(char c);
+  UString &operator+=(unsigned char c);
+  UString &operator=(char c);
+  UString &operator=(unsigned char c);
+  UString(char c);
+  UString(unsigned char c);
+  void Find(char c) const;
+  void Find(unsigned char c) const;
+  void Find(char c, unsigned startIndex) const;
+  void Find(unsigned char c, unsigned startIndex) const;
+  void ReverseFind(char c) const;
+  void ReverseFind(unsigned char c) const;
+  void InsertAtFront(char c);
+  void InsertAtFront(unsigned char c);
+  void RemoveChar(char ch);
+  void RemoveChar(unsigned char ch);
+  void Replace(char oldChar, char newChar);
+  void Replace(unsigned char oldChar, unsigned char newChar);
+
+public:
+  UString();
+  UString(wchar_t c);
+  UString(const wchar_t *s);
+  UString(const UString &s);
+  ~UString() { MY_STRING_DELETE(_chars); }
+
+  unsigned Len() const { return _len; }
+  bool IsEmpty() const { return _len == 0; }
+  void Empty() { _len = 0; _chars[0] = 0; }
+
+  operator const wchar_t *() const { return _chars; }
+  const wchar_t *Ptr() const { return _chars; }
+  const wchar_t *Ptr(unsigned pos) const { return _chars + pos; }
+  const wchar_t *RightPtr(unsigned num) const { return _chars + _len - num; }
+  wchar_t Back() const { return _chars[_len - 1]; }
+
+  void ReplaceOneCharAtPos(unsigned pos, wchar_t c) { _chars[pos] = c; }
+
+  wchar_t *GetBuf(unsigned minLen)
+  {
+    if (minLen > _limit)
+      ReAlloc2(minLen);
+    return _chars;
+  }
+  wchar_t *GetBuf_SetEnd(unsigned minLen)
+  {
+    if (minLen > _limit)
+      ReAlloc2(minLen);
+    wchar_t *chars = _chars;
+    chars[minLen] = 0;
+    _len = minLen;
+    return chars;
+  }
+
+  void ReleaseBuf_SetLen(unsigned newLen) { _len = newLen; }
+  void ReleaseBuf_SetEnd(unsigned newLen) { _len = newLen; _chars[newLen] = 0; }
+  void ReleaseBuf_CalcLen(unsigned maxLen)
+  {
+    wchar_t *chars = _chars;
+    chars[maxLen] = 0;
+    _len = MyStringLen(chars);
+  }
+
+  UString &operator=(wchar_t c);
+  UString &operator=(const wchar_t *s);
+  UString &operator=(const UString &s);
+  void SetFromBstr(BSTR s);
+
+  UString &operator+=(wchar_t c)
+  {
+    if (_limit == _len)
+      Grow_1();
+    unsigned len = _len;
+    wchar_t *chars = _chars;
+    chars[len++] = c;
+    chars[len] = 0;
+    _len = len;
+    return *this;
+  }
+
+  void Add_Space();
+  void Add_Space_if_NotEmpty();
+  void Add_LF();
+  void Add_PathSepar() { operator+=(WCHAR_PATH_SEPARATOR); }
+
+  UString &operator+=(const wchar_t *s);
+  UString &operator+=(const UString &s);
+
+  void SetFrom(const wchar_t *s, unsigned len); // no check
+
+  void SetFromAscii(const char *s);
+  void AddAscii(const char *s);
+
+  UString Mid(unsigned startIndex, unsigned count) const { return UString(count, _chars + startIndex); }
+  UString Left(unsigned count) const { return UString(count, *this); }
+
+  // void MakeUpper() { MyStringUpper(_chars); }
+  // void MakeUpper() { MyStringUpper_Ascii(_chars); }
+  // void MakeUpper_Ascii() { MyStringUpper_Ascii(_chars); }
+  void MakeLower_Ascii() { MyStringLower_Ascii(_chars); }
+
+  bool IsEqualTo(const char *s) const { return StringsAreEqual_Ascii(_chars, s); }
+  bool IsEqualTo_NoCase(const wchar_t *s) const { return StringsAreEqualNoCase(_chars, s); }
+  bool IsEqualTo_Ascii_NoCase(const char *s) const { return StringsAreEqualNoCase_Ascii(_chars, s); }
+  int Compare(const wchar_t *s) const { return wcscmp(_chars, s); }
+  // int Compare(const UString &s) const { return MyStringCompare(_chars, s._chars); }
+  // int CompareNoCase(const wchar_t *s) const { return MyStringCompareNoCase(_chars, s); }
+  // int CompareNoCase(const UString &s) const { return MyStringCompareNoCase(_chars, s._chars); }
+  bool IsPrefixedBy(const wchar_t *s) const { return IsString1PrefixedByString2(_chars, s); }
+  bool IsPrefixedBy_NoCase(const wchar_t *s) const { return IsString1PrefixedByString2_NoCase(_chars, s); }
+  bool IsPrefixedBy_Ascii_NoCase(const char *s) const throw();
+
+  bool IsAscii() const
+  {
+    unsigned len = Len();
+    const wchar_t *s = _chars;
+    for (unsigned i = 0; i < len; i++)
+      if (s[i] >= 0x80)
+        return false;
+    return true;
+  }
+  int Find(wchar_t c) const { return FindCharPosInString(_chars, c); }
+  int Find(wchar_t c, unsigned startIndex) const
+  {
+    int pos = FindCharPosInString(_chars + startIndex, c);
+    return pos < 0 ? -1 : (int)startIndex + pos;
+  }
+
+  int ReverseFind(wchar_t c) const throw();
+  int ReverseFind_Dot() const throw() { return ReverseFind(L'.'); }
+  int ReverseFind_PathSepar() const throw();
+
+  int Find(const wchar_t *s) const { return Find(s, 0); }
+  int Find(const wchar_t *s, unsigned startIndex) const throw();
+
+  void TrimLeft() throw();
+  void TrimRight() throw();
+  void Trim()
+  {
+    TrimRight();
+    TrimLeft();
+  }
+
+  void InsertAtFront(wchar_t c);
+  // void Insert(unsigned index, wchar_t c);
+  void Insert(unsigned index, const wchar_t *s);
+  void Insert(unsigned index, const UString &s);
+
+  void RemoveChar(wchar_t ch) throw();
+  
+  void Replace(wchar_t oldChar, wchar_t newChar) throw();
+  void Replace(const UString &oldString, const UString &newString);
+
+  void Delete(unsigned index) throw();
+  void Delete(unsigned index, unsigned count) throw();
+  void DeleteFrontal(unsigned num) throw();
+  void DeleteBack() { _chars[--_len] = 0; }
+  void DeleteFrom(unsigned index)
+  {
+    if (index < _len)
+    {
+      _len = index;
+      _chars[index] = 0;
+    }
+  }
+};
+
+bool operator<(const UString &s1, const UString &s2);
+bool operator>(const UString &s1, const UString &s2);
+
+inline bool operator==(const UString &s1, const UString &s2) { return s1.Len() == s2.Len() && wcscmp(s1, s2) == 0; }
+inline bool operator==(const UString &s1, const wchar_t *s2) { return wcscmp(s1, s2) == 0; }
+inline bool operator==(const wchar_t *s1, const UString &s2) { return wcscmp(s1, s2) == 0; }
+
+inline bool operator!=(const UString &s1, const UString &s2) { return s1.Len() != s2.Len() || wcscmp(s1, s2) != 0; }
+inline bool operator!=(const UString &s1, const wchar_t *s2) { return wcscmp(s1, s2) != 0; }
+inline bool operator!=(const wchar_t *s1, const UString &s2) { return wcscmp(s1, s2) != 0; }
+
+
+// ---------- forbidden functions ----------
+
+void operator==(wchar_t c1, const UString &s2);
+void operator==(const UString &s1, wchar_t c2);
+
+void operator+(wchar_t c, const UString &s); // this function can be OK, but we don't use it
+
+void operator+(const UString &s, char c);
+void operator+(const UString &s, unsigned char c);
+void operator+(char c, const UString &s);
+void operator+(unsigned char c, const UString &s);
+void operator-(const UString &s1, wchar_t c);
+
+#ifdef _WIN32
+// can we forbid these functions, if wchar_t is 32-bit ?
+void operator+(const UString &s, int c);
+void operator+(const UString &s, unsigned c);
+void operator+(int c, const UString &s);
+void operator+(unsigned c, const UString &s);
+void operator-(const UString &s1, int c);
+void operator-(const UString &s1, unsigned c);
+#endif
+
+
+
+
+
+
+
+class UString2
+{
+  wchar_t *_chars;
+  unsigned _len;
+
+  void ReAlloc2(unsigned newLimit);
+  void SetStartLen(unsigned len);
+
+  // ---------- forbidden functions ----------
+  
+  UString2 &operator=(char c);
+  UString2 &operator=(unsigned char c);
+  UString2 &operator=(wchar_t c);
+  UString2(char c);
+  UString2(unsigned char c);
+
+public:
+  UString2(): _chars(NULL), _len(0) {}
+  // UString2(wchar_t c);
+  UString2(const wchar_t *s);
+  UString2(const UString2 &s);
+  ~UString2() { if (_chars) MY_STRING_DELETE(_chars); }
+
+  unsigned Len() const { return _len; }
+  bool IsEmpty() const { return _len == 0; }
+  // void Empty() { _len = 0; _chars[0] = 0; }
+
+  // operator const wchar_t *() const { return _chars; }
+  const wchar_t *GetRawPtr() const { return _chars; }
+
+  wchar_t *GetBuf(unsigned minLen)
+  {
+    if (!_chars || minLen > _len)
+      ReAlloc2(minLen);
+    return _chars;
+  }
+  void ReleaseBuf_SetLen(unsigned newLen) { _len = newLen; }
+
+  UString2 &operator=(const wchar_t *s);
+  UString2 &operator=(const UString2 &s);
+  void SetFromAscii(const char *s);
+};
+
+bool operator==(const UString2 &s1, const UString2 &s2);
+bool operator==(const UString2 &s1, const wchar_t *s2);
+bool operator==(const wchar_t *s1, const UString2 &s2);
+
+inline bool operator!=(const UString2 &s1, const UString2 &s2) { return !(s1 == s2); }
+inline bool operator!=(const UString2 &s1, const wchar_t *s2) { return !(s1 == s2); }
+inline bool operator!=(const wchar_t *s1, const UString2 &s2) { return !(s1 == s2); }
+
+
+// ---------- forbidden functions ----------
+
+void operator==(wchar_t c1, const UString2 &s2);
+void operator==(const UString2 &s1, wchar_t c2);
+bool operator<(const UString2 &s1, const UString2 &s2);
+bool operator>(const UString2 &s1, const UString2 &s2);
+
+void operator+(const UString2 &s1, const UString2 &s2);
+void operator+(const UString2 &s1, const wchar_t *s2);
+void operator+(const wchar_t *s1, const UString2 &s2);
+void operator+(wchar_t c, const UString2 &s);
+void operator+(const UString2 &s, wchar_t c);
+void operator+(const UString2 &s, char c);
+void operator+(const UString2 &s, unsigned char c);
+void operator+(char c, const UString2 &s);
+void operator+(unsigned char c, const UString2 &s);
+void operator-(const UString2 &s1, wchar_t c);
+
+
+
+
+
+
+typedef CObjectVector<AString> AStringVector;
+typedef CObjectVector<UString> UStringVector;
+
+#ifdef _UNICODE
+  typedef UString CSysString;
+#else
+  typedef AString CSysString;
+#endif
+
+typedef CObjectVector<CSysString> CSysStringVector;
+
+
+// ---------- FString ----------
+
+#ifdef _WIN32
+  #define USE_UNICODE_FSTRING
+#endif
+
+#ifdef USE_UNICODE_FSTRING
+
+  #define __FTEXT(quote) L##quote
+
+  typedef wchar_t FChar;
+  typedef UString FString;
+
+  #define fs2us(_x_) (_x_)
+  #define us2fs(_x_) (_x_)
+  FString fas2fs(const AString &s);
+  AString fs2fas(const FChar *s);
+
+#else
+
+  #define __FTEXT(quote) quote
+
+  typedef char FChar;
+  typedef AString FString;
+
+  UString fs2us(const FString &s);
+  FString us2fs(const wchar_t *s);
+  #define fas2fs(_x_) (_x_)
+  #define fs2fas(_x_) (_x_)
+
+#endif
+
+#define FTEXT(quote) __FTEXT(quote)
+
+#define FCHAR_PATH_SEPARATOR FTEXT(CHAR_PATH_SEPARATOR)
+#define FSTRING_PATH_SEPARATOR FTEXT(STRING_PATH_SEPARATOR)
+#define FCHAR_ANY_MASK FTEXT('*')
+#define FSTRING_ANY_MASK FTEXT("*")
+typedef const FChar *CFSTR;
+
+typedef CObjectVector<FString> FStringVector;
+
+#endif