463 lines
17 KiB
C++
463 lines
17 KiB
C++
// File: fstring.h
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// Provides: class FString
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//
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// Standalone class
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// ════════════════
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//
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// ▕▔▔▔▔▔▔▔▔▔▏
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// ▕ FString ▏
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// ▕▁▁▁▁▁▁▁▁▁▏
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#ifndef FSTRING_H
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#define FSTRING_H
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#include <langinfo.h>
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#include <stdint.h>
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#include <cassert>
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#include <cerrno> // for read errno
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#include <cfloat>
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#include <climits>
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#include <cmath>
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#include <cstdarg> // need for va_list, va_start and va_end
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#include <cstdio> // need for vsprintf
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#include <cstring>
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#include <cwchar>
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#include <cwctype>
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#include <iostream>
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#include <new>
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#include <stdexcept>
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#include <string>
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#include <vector>
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#include "final/ftypes.h"
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// class forward declaration
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class FString;
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// Global typedef
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typedef std::vector<FString> FStringList;
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//----------------------------------------------------------------------
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// class FString
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//----------------------------------------------------------------------
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class FString
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{
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public:
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// Typedef
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typedef const wchar_t* iterator;
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// Constructors
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FString ();
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explicit FString (int);
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explicit FString (uInt);
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FString (int, wchar_t);
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FString (uInt, wchar_t);
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FString (int, char);
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FString (uInt, char);
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FString (const FString&); // implicit conversion copy constructor
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FString (const std::wstring&); // implicit conversion constructor
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FString (const wchar_t*); // implicit conversion constructor
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FString (const std::string&); // implicit conversion constructor
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FString (const char*); // implicit conversion constructor
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FString (const wchar_t); // implicit conversion constructor
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FString (const char); // implicit conversion constructor
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// Destructor
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virtual ~FString ();
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// Overloaded operators
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FString& operator = (const FString&);
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FString& operator = (const std::wstring&);
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const FString& operator = (const wchar_t*);
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FString& operator = (const std::string&);
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const FString& operator = (const char*);
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const FString& operator = (const wchar_t);
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const FString& operator = (const char);
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const FString& operator += (const FString&);
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const FString& operator += (const std::wstring&);
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const FString& operator += (const wchar_t*);
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const FString& operator += (const std::string&);
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const FString& operator += (const char*);
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const FString& operator += (const wchar_t);
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const FString& operator += (const char);
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const FString operator + (const FString&);
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const FString operator + (const std::wstring&);
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const FString operator + (const wchar_t*);
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const FString operator + (const std::string&);
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const FString operator + (const char*);
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const FString operator + (const wchar_t);
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const FString operator + (const char);
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FString& operator << (const FString&);
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FString& operator << (const wchar_t);
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FString& operator << (const char);
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FString& operator << (const sInt16);
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FString& operator << (const uInt16);
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FString& operator << (const int);
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FString& operator << (const uInt);
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FString& operator << (const long);
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FString& operator << (const uLong);
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FString& operator << (const float);
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FString& operator << (const double);
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FString& operator << (const lDouble);
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const FString& operator >> (FString&);
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const FString& operator >> (std::wstring&);
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const FString& operator >> (wchar_t&);
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const FString& operator >> (char&);
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const FString& operator >> (sInt16&);
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const FString& operator >> (uInt16&);
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const FString& operator >> (int&);
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const FString& operator >> (uInt&);
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const FString& operator >> (long&);
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const FString& operator >> (uLong&);
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const FString& operator >> (double&);
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const FString& operator >> (float&);
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wchar_t& operator [] (int);
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wchar_t& operator [] (uInt);
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const FString& operator () ();
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bool operator < (const FString&) const;
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bool operator < (const std::wstring&) const;
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bool operator < (const wchar_t*) const;
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bool operator < (const std::string&) const;
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bool operator < (const char*) const;
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bool operator < (const wchar_t) const;
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bool operator < (const char) const;
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bool operator <= (const FString&) const;
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bool operator <= (const std::wstring&) const;
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bool operator <= (const wchar_t*) const;
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bool operator <= (const std::string&) const;
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bool operator <= (const char*) const;
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bool operator <= (const wchar_t) const;
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bool operator <= (const char) const;
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bool operator == (const FString&) const;
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bool operator == (const std::wstring&) const;
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bool operator == (const wchar_t*) const;
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bool operator == (const std::string&) const;
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bool operator == (const char*) const;
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bool operator == (const wchar_t) const;
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bool operator == (const char) const;
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bool operator != (const FString&) const;
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bool operator != (const std::wstring&) const;
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bool operator != (const wchar_t*) const;
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bool operator != (const std::string&) const;
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bool operator != (const char*) const;
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bool operator != (const wchar_t) const;
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bool operator != (const char) const;
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bool operator >= (const FString&) const;
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bool operator >= (const std::wstring&) const;
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bool operator >= (const wchar_t*) const;
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bool operator >= (const std::string&) const;
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bool operator >= (const char*) const;
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bool operator >= (const wchar_t) const;
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bool operator >= (const char) const;
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bool operator > (const FString&) const;
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bool operator > (const std::wstring&) const;
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bool operator > (const wchar_t*) const;
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bool operator > (const std::string&) const;
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bool operator > (const char*) const;
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bool operator > (const wchar_t) const;
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bool operator > (const char) const;
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operator const char* () const { return c_str(); }
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// Non-member operators
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friend const FString operator + (const FString&, const FString&);
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friend const FString operator + (const FString&, const wchar_t);
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friend const FString operator + (const std::wstring&, const FString&);
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friend const FString operator + (const wchar_t*, const FString&);
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friend const FString operator + (const std::string&, const FString&);
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friend const FString operator + (const char*, const FString&);
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friend const FString operator + (const wchar_t, const FString&);
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friend const FString operator + (const char, const FString&);
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friend const FString operator + (const wchar_t, const std::wstring&);
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friend const FString operator + (const FString&, const char);
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friend std::ostream& operator << (std::ostream& outstr, const FString& s);
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friend std::istream& operator >> (std::istream& instr, FString& s);
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friend std::wostream& operator << (std::wostream& outstr, const FString& s);
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friend std::wistream& operator >> (std::wistream& instr, FString& s);
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// inquiries
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bool isNull() const;
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bool isEmpty() const;
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// Methods
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uInt getLength() const;
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uInt getUTF8length() const;
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iterator begin() const;
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iterator end() const;
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wchar_t front() const;
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wchar_t back() const;
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FString& sprintf (const wchar_t*, ...);
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FString& sprintf (const char*, ...)
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#if defined(__clang__)
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__attribute__((__format__ (__printf__, 2, 3)))
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#elif defined(__GNUC__)
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__attribute__ ((format (printf, 2, 3)))
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#endif
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;
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FString clear();
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const wchar_t* wc_str() const;
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const char* c_str() const;
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const std::string toString() const;
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FString toLower() const;
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FString toUpper() const;
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sInt16 toShort() const;
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uInt16 toUShort() const;
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int toInt() const;
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uInt toUInt() const;
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long toLong() const;
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uLong toULong() const;
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float toFloat() const;
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double toDouble() const;
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FString ltrim() const;
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FString rtrim() const;
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FString trim() const;
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FString left (int) const;
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FString left (uInt) const;
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FString right (int) const;
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FString right (uInt) const;
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FString mid (int, int) const;
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FString mid (uInt, uInt) const;
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FStringList split (const FString&);
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FStringList split (const std::wstring&);
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FStringList split (const wchar_t*);
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FStringList split (const std::string&);
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FStringList split (const char*);
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FStringList split (const wchar_t);
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FStringList split (const char);
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FString& setString (const wchar_t*);
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FString& setString (const char*);
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FString& setNumber (sInt16);
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FString& setNumber (uInt16);
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FString& setNumber (int);
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FString& setNumber (uInt);
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FString& setNumber (long);
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FString& setNumber (uLong);
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FString& setNumber (float, int = FLT_DIG);
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FString& setNumber (double, int = DBL_DIG);
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FString& setNumber (lDouble, int = LDBL_DIG);
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FString& setFormatedNumber (sInt16, char = nl_langinfo(THOUSEP)[0]);
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FString& setFormatedNumber (uInt16, char = nl_langinfo(THOUSEP)[0]);
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FString& setFormatedNumber (int, char = nl_langinfo(THOUSEP)[0]);
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FString& setFormatedNumber (uInt, char = nl_langinfo(THOUSEP)[0]);
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FString& setFormatedNumber (long, char = nl_langinfo(THOUSEP)[0]);
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FString& setFormatedNumber (uLong, char = nl_langinfo(THOUSEP)[0]);
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const FString& insert (const FString&, uInt);
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const FString& insert (const wchar_t*, uInt);
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const FString& insert (const char*, uInt);
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const FString& insert (const wchar_t, uInt);
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const FString& insert (const char, uInt);
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FString replace (const FString&, const FString&);
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FString replace (const FString&, const std::wstring&);
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FString replace (const FString&, const wchar_t*);
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FString replace (const FString&, const std::string&);
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FString replace (const FString&, const char*);
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FString replace (const FString&, const wchar_t);
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FString replace (const FString&, const char);
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FString replace (const std::wstring&, const FString&);
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FString replace (const std::wstring&, const std::wstring&);
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FString replace (const std::wstring&, const wchar_t*);
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FString replace (const std::wstring&, const std::string&);
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FString replace (const std::wstring&, const char*);
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FString replace (const std::wstring&, const wchar_t);
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FString replace (const std::wstring&, const char);
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FString replace (const std::string&, const FString&);
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FString replace (const std::string&, const std::wstring&);
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FString replace (const std::string&, const wchar_t*);
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FString replace (const std::string&, const std::string&);
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FString replace (const std::string&, const char*);
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FString replace (const std::string&, const wchar_t);
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FString replace (const std::string&, const char);
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FString replace (const wchar_t*, const FString&);
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FString replace (const wchar_t*, const std::wstring&);
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FString replace (const wchar_t*, const wchar_t*);
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FString replace (const wchar_t*, const std::string&);
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FString replace (const wchar_t*, const char*);
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FString replace (const wchar_t*, const wchar_t);
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FString replace (const wchar_t*, const char);
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FString replace (const char*, const FString&);
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FString replace (const char*, const std::wstring&);
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FString replace (const char*, const wchar_t*);
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FString replace (const char*, const std::string&);
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FString replace (const char*, const char*);
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FString replace (const char*, const wchar_t);
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FString replace (const char*, const char);
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FString replace (const wchar_t, const FString&);
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FString replace (const wchar_t, const std::wstring&);
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FString replace (const wchar_t, const wchar_t*);
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FString replace (const wchar_t, const std::string&);
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FString replace (const wchar_t, const char*);
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FString replace (const wchar_t, const wchar_t);
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FString replace (const wchar_t, const char);
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FString replace (const char, const FString&);
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FString replace (const char, const std::wstring&);
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FString replace (const char, const wchar_t*);
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FString replace (const char, const std::string&);
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FString replace (const char, const char*);
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FString replace (const char, const wchar_t);
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FString replace (const char, const char);
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FString replaceControlCodes() const;
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FString expandTabs (int = 8) const;
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FString removeDel() const;
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FString removeBackspaces() const;
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const FString& overwrite (const FString&, uInt);
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const FString& overwrite (const wchar_t*, uInt);
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const FString& overwrite (const wchar_t, uInt);
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const FString& remove (uInt, uInt);
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bool includes (const FString&);
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bool includes (const wchar_t*);
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bool includes (const char*);
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bool includes (const wchar_t);
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bool includes (const char);
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private:
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// Constants
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static const uInt FWDBUFFER = 15;
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static const uInt INPBUFFER = 200;
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static const uInt CHAR_SIZE = sizeof(wchar_t); // bytes per character
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static const char* const bad_alloc_str;
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// Methods
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void initLength (uInt);
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void _assign (const wchar_t*);
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void _insert (uInt, uInt, const wchar_t*);
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void _remove (uInt, uInt);
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char* wc_to_c_str (const wchar_t*) const;
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wchar_t* c_to_wc_str (const char*) const;
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wchar_t* extractToken (wchar_t**, const wchar_t*, const wchar_t*);
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// Data Members
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wchar_t* string;
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uInt length;
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uInt bufsize;
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mutable char* c_string;
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};
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// FString inline functions
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//----------------------------------------------------------------------
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inline bool FString::isNull() const
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{ return ! string; }
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//----------------------------------------------------------------------
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inline bool FString::isEmpty() const
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{ return ( ! string ) || ( ! *string ); }
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//----------------------------------------------------------------------
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inline uInt FString::getLength() const
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{ return length; }
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//----------------------------------------------------------------------
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inline FString::iterator FString::begin() const
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{ return string; }
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//----------------------------------------------------------------------
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inline FString::iterator FString::end() const
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{ return string + length; }
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//----------------------------------------------------------------------
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inline wchar_t FString::front() const
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{
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assert( ! isEmpty() );
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return string[0];
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}
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//----------------------------------------------------------------------
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inline wchar_t FString::back() const
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{
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assert( ! isEmpty() );
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return string[length - 1];
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}
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//----------------------------------------------------------------------
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inline FStringList FString::split (const std::wstring& s)
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{ return split(FString(s)); }
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//----------------------------------------------------------------------
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inline FStringList FString::split (const wchar_t* s)
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{ return split(FString(s)); }
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//----------------------------------------------------------------------
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inline FStringList FString::split (const std::string& s)
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{ return split(FString(s)); }
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//----------------------------------------------------------------------
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inline FStringList FString::split (const char* s)
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{ return split(FString(s)); }
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//----------------------------------------------------------------------
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inline FStringList FString::split (const wchar_t c)
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{ return split(FString(c)); }
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//----------------------------------------------------------------------
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inline FStringList FString::split (const char c)
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{ return split(FString(c)); }
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//----------------------------------------------------------------------
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inline FString& FString::setNumber (sInt16 num)
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{ return setNumber (long(num)); }
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//----------------------------------------------------------------------
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inline FString& FString::setNumber (uInt16 num)
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{ return setNumber (uLong(num)); }
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//----------------------------------------------------------------------
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inline FString& FString::setNumber (int num)
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{ return setNumber (long(num)); }
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//----------------------------------------------------------------------
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inline FString& FString::setNumber (uInt num)
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{ return setNumber (uLong(num)); }
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//----------------------------------------------------------------------
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inline FString& FString::setNumber (float num, int precision)
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{ return setNumber (lDouble(num), precision); }
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//----------------------------------------------------------------------
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inline FString& FString::setNumber (double num, int precision)
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{ return setNumber (lDouble(num), precision); }
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//----------------------------------------------------------------------
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inline FString& FString::setFormatedNumber (sInt16 num, char separator)
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{ return setFormatedNumber (long(num), separator); }
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//----------------------------------------------------------------------
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inline FString& FString::setFormatedNumber (uInt16 num, char separator)
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{ return setFormatedNumber (uLong(num), separator); }
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//----------------------------------------------------------------------
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inline FString& FString::setFormatedNumber (int num, char separator)
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{ return setFormatedNumber (long(num), separator); }
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//----------------------------------------------------------------------
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inline FString& FString::setFormatedNumber (uInt num, char separator)
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{ return setFormatedNumber (uLong(num), separator); }
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#endif // FSTRING_H
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