490 lines
18 KiB
C++
490 lines
18 KiB
C++
/***********************************************************************
|
|
* fstring.h - Unicode string class with UTF-8 support *
|
|
* *
|
|
* This file is part of the Final Cut widget toolkit *
|
|
* *
|
|
* Copyright 2012-2017 Markus Gans *
|
|
* *
|
|
* The Final Cut is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Lesser General Public License *
|
|
* as published by the Free Software Foundation; either version 3 of *
|
|
* the License, or (at your option) any later version. *
|
|
* *
|
|
* The Final Cut is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU Lesser General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Lesser General Public *
|
|
* License along with this program. If not, see *
|
|
* <http://www.gnu.org/licenses/>. *
|
|
***********************************************************************/
|
|
|
|
/* Standalone class
|
|
* ════════════════
|
|
*
|
|
* ▕▔▔▔▔▔▔▔▔▔▏
|
|
* ▕ FString ▏
|
|
* ▕▁▁▁▁▁▁▁▁▁▏
|
|
*/
|
|
|
|
#ifndef FSTRING_H
|
|
#define FSTRING_H
|
|
|
|
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
|
|
#error "Only <final/final.h> can be included directly."
|
|
#endif
|
|
|
|
#include <langinfo.h>
|
|
#include <stdint.h>
|
|
|
|
#include <cassert>
|
|
#include <cerrno> // for read errno
|
|
#include <cfloat>
|
|
#include <climits>
|
|
#include <cmath>
|
|
#include <cstdarg> // need for va_list, va_start and va_end
|
|
#include <cstdio> // need for vsprintf
|
|
#include <cstring>
|
|
#include <cwchar>
|
|
#include <cwctype>
|
|
|
|
#include <iostream>
|
|
#include <new>
|
|
#include <stdexcept>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "final/ftypes.h"
|
|
|
|
// class forward declaration
|
|
class FString;
|
|
|
|
// Global typedef
|
|
typedef std::vector<FString> FStringList;
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// class FString
|
|
//----------------------------------------------------------------------
|
|
|
|
class FString
|
|
{
|
|
public:
|
|
// Typedef
|
|
typedef const wchar_t* iterator;
|
|
|
|
// Constructors
|
|
FString ();
|
|
explicit FString (int);
|
|
explicit FString (uInt);
|
|
FString (int, wchar_t);
|
|
FString (uInt, wchar_t);
|
|
FString (int, char);
|
|
FString (uInt, char);
|
|
FString (const FString&); // implicit conversion copy constructor
|
|
FString (const std::wstring&); // implicit conversion constructor
|
|
FString (const wchar_t[]); // implicit conversion constructor
|
|
FString (const std::string&); // implicit conversion constructor
|
|
FString (const char[]); // implicit conversion constructor
|
|
FString (const wchar_t); // implicit conversion constructor
|
|
FString (const char); // implicit conversion constructor
|
|
|
|
// Destructor
|
|
virtual ~FString ();
|
|
|
|
// Overloaded operators
|
|
FString& operator = (const FString&);
|
|
FString& operator = (const std::wstring&);
|
|
const FString& operator = (const wchar_t[]);
|
|
FString& operator = (const std::string&);
|
|
const FString& operator = (const char[]);
|
|
const FString& operator = (const wchar_t);
|
|
const FString& operator = (const char);
|
|
|
|
const FString& operator += (const FString&);
|
|
const FString& operator += (const std::wstring&);
|
|
const FString& operator += (const wchar_t[]);
|
|
const FString& operator += (const std::string&);
|
|
const FString& operator += (const char[]);
|
|
const FString& operator += (const wchar_t);
|
|
const FString& operator += (const char);
|
|
|
|
const FString operator + (const FString&);
|
|
const FString operator + (const std::wstring&);
|
|
const FString operator + (const wchar_t[]);
|
|
const FString operator + (const std::string&);
|
|
const FString operator + (const char[]);
|
|
const FString operator + (const wchar_t);
|
|
const FString operator + (const char);
|
|
|
|
FString& operator << (const FString&);
|
|
FString& operator << (const wchar_t);
|
|
FString& operator << (const char);
|
|
FString& operator << (const sInt16);
|
|
FString& operator << (const uInt16);
|
|
FString& operator << (const int);
|
|
FString& operator << (const uInt);
|
|
FString& operator << (const long);
|
|
FString& operator << (const uLong);
|
|
FString& operator << (const float);
|
|
FString& operator << (const double);
|
|
FString& operator << (const lDouble);
|
|
|
|
const FString& operator >> (FString&);
|
|
const FString& operator >> (std::wstring&);
|
|
const FString& operator >> (wchar_t&);
|
|
const FString& operator >> (char&);
|
|
const FString& operator >> (sInt16&);
|
|
const FString& operator >> (uInt16&);
|
|
const FString& operator >> (int&);
|
|
const FString& operator >> (uInt&);
|
|
const FString& operator >> (long&);
|
|
const FString& operator >> (uLong&);
|
|
const FString& operator >> (double&);
|
|
const FString& operator >> (float&);
|
|
|
|
wchar_t& operator [] (int);
|
|
wchar_t& operator [] (uInt);
|
|
const FString& operator () ();
|
|
|
|
bool operator < (const FString&) const;
|
|
bool operator < (const std::wstring&) const;
|
|
bool operator < (const wchar_t[]) const;
|
|
bool operator < (const std::string&) const;
|
|
bool operator < (const char[]) const;
|
|
bool operator < (const wchar_t) const;
|
|
bool operator < (const char) const;
|
|
bool operator <= (const FString&) const;
|
|
bool operator <= (const std::wstring&) const;
|
|
bool operator <= (const wchar_t[]) const;
|
|
bool operator <= (const std::string&) const;
|
|
bool operator <= (const char[]) const;
|
|
bool operator <= (const wchar_t) const;
|
|
bool operator <= (const char) const;
|
|
bool operator == (const FString&) const;
|
|
bool operator == (const std::wstring&) const;
|
|
bool operator == (const wchar_t[]) const;
|
|
bool operator == (const std::string&) const;
|
|
bool operator == (const char[]) const;
|
|
bool operator == (const wchar_t) const;
|
|
bool operator == (const char) const;
|
|
bool operator != (const FString&) const;
|
|
bool operator != (const std::wstring&) const;
|
|
bool operator != (const wchar_t[]) const;
|
|
bool operator != (const std::string&) const;
|
|
bool operator != (const char[]) const;
|
|
bool operator != (const wchar_t) const;
|
|
bool operator != (const char) const;
|
|
bool operator >= (const FString&) const;
|
|
bool operator >= (const std::wstring&) const;
|
|
bool operator >= (const wchar_t[]) const;
|
|
bool operator >= (const std::string&) const;
|
|
bool operator >= (const char[]) const;
|
|
bool operator >= (const wchar_t) const;
|
|
bool operator >= (const char) const;
|
|
bool operator > (const FString&) const;
|
|
bool operator > (const std::wstring&) const;
|
|
bool operator > (const wchar_t[]) const;
|
|
bool operator > (const std::string&) const;
|
|
bool operator > (const char[]) const;
|
|
bool operator > (const wchar_t) const;
|
|
bool operator > (const char) const;
|
|
|
|
operator const char* () const { return c_str(); }
|
|
|
|
// Non-member operators
|
|
friend const FString operator + (const FString&, const FString&);
|
|
friend const FString operator + (const FString&, const wchar_t);
|
|
friend const FString operator + (const std::wstring&, const FString&);
|
|
friend const FString operator + (const wchar_t[], const FString&);
|
|
friend const FString operator + (const std::string&, const FString&);
|
|
friend const FString operator + (const char[], const FString&);
|
|
friend const FString operator + (const wchar_t, const FString&);
|
|
friend const FString operator + (const char, const FString&);
|
|
friend const FString operator + (const wchar_t, const std::wstring&);
|
|
friend const FString operator + (const FString&, const char);
|
|
|
|
friend std::ostream& operator << (std::ostream& outstr, const FString& s);
|
|
friend std::istream& operator >> (std::istream& instr, FString& s);
|
|
friend std::wostream& operator << (std::wostream& outstr, const FString& s);
|
|
friend std::wistream& operator >> (std::wistream& instr, FString& s);
|
|
|
|
// inquiries
|
|
bool isNull() const;
|
|
bool isEmpty() const;
|
|
|
|
// Methods
|
|
uInt getLength() const;
|
|
uInt getUTF8length() const;
|
|
|
|
iterator begin() const;
|
|
iterator end() const;
|
|
wchar_t front() const;
|
|
wchar_t back() const;
|
|
|
|
FString& sprintf (const wchar_t[], ...);
|
|
FString& sprintf (const char[], ...)
|
|
#if defined(__clang__)
|
|
__attribute__((__format__ (__printf__, 2, 3)))
|
|
#elif defined(__GNUC__)
|
|
__attribute__ ((format (printf, 2, 3)))
|
|
#endif
|
|
;
|
|
FString clear();
|
|
|
|
const wchar_t* wc_str() const;
|
|
wchar_t* wc_str();
|
|
const char* c_str() const;
|
|
char* c_str();
|
|
const std::string toString() const;
|
|
|
|
FString toLower() const;
|
|
FString toUpper() const;
|
|
|
|
sInt16 toShort() const;
|
|
uInt16 toUShort() const;
|
|
int toInt() const;
|
|
uInt toUInt() const;
|
|
long toLong() const;
|
|
uLong toULong() const;
|
|
float toFloat() const;
|
|
double toDouble() const;
|
|
|
|
FString ltrim() const;
|
|
FString rtrim() const;
|
|
FString trim() const;
|
|
|
|
FString left (int) const;
|
|
FString left (uInt) const;
|
|
FString right (int) const;
|
|
FString right (uInt) const;
|
|
FString mid (int, int) const;
|
|
FString mid (uInt, uInt) const;
|
|
|
|
FStringList split (const FString&);
|
|
FStringList split (const std::wstring&);
|
|
FStringList split (const wchar_t[]);
|
|
FStringList split (const std::string&);
|
|
FStringList split (const char[]);
|
|
FStringList split (const wchar_t);
|
|
FStringList split (const char);
|
|
|
|
FString& setString (const wchar_t[]);
|
|
FString& setString (const char[]);
|
|
|
|
FString& setNumber (sInt16);
|
|
FString& setNumber (uInt16);
|
|
FString& setNumber (int);
|
|
FString& setNumber (uInt);
|
|
FString& setNumber (long);
|
|
FString& setNumber (uLong);
|
|
FString& setNumber (float, int = FLT_DIG);
|
|
FString& setNumber (double, int = DBL_DIG);
|
|
FString& setNumber (lDouble, int = LDBL_DIG);
|
|
|
|
FString& setFormatedNumber (sInt16, char = nl_langinfo(THOUSEP)[0]);
|
|
FString& setFormatedNumber (uInt16, char = nl_langinfo(THOUSEP)[0]);
|
|
FString& setFormatedNumber (int, char = nl_langinfo(THOUSEP)[0]);
|
|
FString& setFormatedNumber (uInt, char = nl_langinfo(THOUSEP)[0]);
|
|
FString& setFormatedNumber (long, char = nl_langinfo(THOUSEP)[0]);
|
|
FString& setFormatedNumber (uLong, char = nl_langinfo(THOUSEP)[0]);
|
|
|
|
const FString& insert (const FString&, uInt);
|
|
const FString& insert (const wchar_t[], uInt);
|
|
const FString& insert (const char[], uInt);
|
|
const FString& insert (const wchar_t, uInt);
|
|
const FString& insert (const char, uInt);
|
|
|
|
FString replace (const FString&, const FString&);
|
|
FString replace (const FString&, const std::wstring&);
|
|
FString replace (const FString&, const wchar_t[]);
|
|
FString replace (const FString&, const std::string&);
|
|
FString replace (const FString&, const char[]);
|
|
FString replace (const FString&, const wchar_t);
|
|
FString replace (const FString&, const char);
|
|
FString replace (const std::wstring&, const FString&);
|
|
FString replace (const std::wstring&, const std::wstring&);
|
|
FString replace (const std::wstring&, const wchar_t[]);
|
|
FString replace (const std::wstring&, const std::string&);
|
|
FString replace (const std::wstring&, const char[]);
|
|
FString replace (const std::wstring&, const wchar_t);
|
|
FString replace (const std::wstring&, const char);
|
|
FString replace (const std::string&, const FString&);
|
|
FString replace (const std::string&, const std::wstring&);
|
|
FString replace (const std::string&, const wchar_t[]);
|
|
FString replace (const std::string&, const std::string&);
|
|
FString replace (const std::string&, const char[]);
|
|
FString replace (const std::string&, const wchar_t);
|
|
FString replace (const std::string&, const char);
|
|
FString replace (const wchar_t[], const FString&);
|
|
FString replace (const wchar_t[], const std::wstring&);
|
|
FString replace (const wchar_t[], const wchar_t[]);
|
|
FString replace (const wchar_t[], const std::string&);
|
|
FString replace (const wchar_t[], const char[]);
|
|
FString replace (const wchar_t[], const wchar_t);
|
|
FString replace (const wchar_t[], const char);
|
|
FString replace (const char[], const FString&);
|
|
FString replace (const char[], const std::wstring&);
|
|
FString replace (const char[], const wchar_t[]);
|
|
FString replace (const char[], const std::string&);
|
|
FString replace (const char[], const char[]);
|
|
FString replace (const char[], const wchar_t);
|
|
FString replace (const char[], const char);
|
|
FString replace (const wchar_t, const FString&);
|
|
FString replace (const wchar_t, const std::wstring&);
|
|
FString replace (const wchar_t, const wchar_t[]);
|
|
FString replace (const wchar_t, const std::string&);
|
|
FString replace (const wchar_t, const char[]);
|
|
FString replace (const wchar_t, const wchar_t);
|
|
FString replace (const wchar_t, const char);
|
|
FString replace (const char, const FString&);
|
|
FString replace (const char, const std::wstring&);
|
|
FString replace (const char, const wchar_t[]);
|
|
FString replace (const char, const std::string&);
|
|
FString replace (const char, const char[]);
|
|
FString replace (const char, const wchar_t);
|
|
FString replace (const char, const char);
|
|
|
|
FString replaceControlCodes() const;
|
|
FString expandTabs (int = 8) const;
|
|
FString removeDel() const;
|
|
FString removeBackspaces() const;
|
|
|
|
const FString& overwrite (const FString&, uInt);
|
|
const FString& overwrite (const wchar_t[], uInt);
|
|
const FString& overwrite (const wchar_t, uInt);
|
|
|
|
const FString& remove (uInt, uInt);
|
|
bool includes (const FString&);
|
|
bool includes (const wchar_t[]);
|
|
bool includes (const char[]);
|
|
bool includes (const wchar_t);
|
|
bool includes (const char);
|
|
|
|
private:
|
|
// Constants
|
|
static const uInt FWDBUFFER = 15;
|
|
static const uInt INPBUFFER = 200;
|
|
static const uInt CHAR_SIZE = sizeof(wchar_t); // bytes per character
|
|
static const char* const bad_alloc_str;
|
|
|
|
// Methods
|
|
void initLength (uInt);
|
|
void _assign (const wchar_t[]);
|
|
void _insert (uInt, uInt, const wchar_t[]);
|
|
void _remove (uInt, uInt);
|
|
char* wc_to_c_str (const wchar_t[]) const;
|
|
wchar_t* c_to_wc_str (const char[]) const;
|
|
wchar_t* extractToken (wchar_t*[], const wchar_t[], const wchar_t[]);
|
|
|
|
// Data Members
|
|
wchar_t* string;
|
|
uInt length;
|
|
uInt bufsize;
|
|
mutable char* c_string;
|
|
};
|
|
|
|
|
|
// FString inline functions
|
|
//----------------------------------------------------------------------
|
|
inline bool FString::isNull() const
|
|
{ return ! string; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FString::isEmpty() const
|
|
{ return ( ! string ) || ( ! *string ); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline uInt FString::getLength() const
|
|
{ return length; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString::iterator FString::begin() const
|
|
{ return string; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString::iterator FString::end() const
|
|
{ return string + length; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline wchar_t FString::front() const
|
|
{
|
|
assert( ! isEmpty() );
|
|
return string[0];
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
inline wchar_t FString::back() const
|
|
{
|
|
assert( ! isEmpty() );
|
|
return string[length - 1];
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FStringList FString::split (const std::wstring& s)
|
|
{ return split(FString(s)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FStringList FString::split (const wchar_t s[])
|
|
{ return split(FString(s)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FStringList FString::split (const std::string& s)
|
|
{ return split(FString(s)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FStringList FString::split (const char s[])
|
|
{ return split(FString(s)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FStringList FString::split (const wchar_t c)
|
|
{ return split(FString(c)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FStringList FString::split (const char c)
|
|
{ return split(FString(c)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setNumber (sInt16 num)
|
|
{ return setNumber (long(num)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setNumber (uInt16 num)
|
|
{ return setNumber (uLong(num)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setNumber (int num)
|
|
{ return setNumber (long(num)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setNumber (uInt num)
|
|
{ return setNumber (uLong(num)); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setNumber (float num, int precision)
|
|
{ return setNumber (lDouble(num), precision); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setNumber (double num, int precision)
|
|
{ return setNumber (lDouble(num), precision); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setFormatedNumber (sInt16 num, char separator)
|
|
{ return setFormatedNumber (long(num), separator); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setFormatedNumber (uInt16 num, char separator)
|
|
{ return setFormatedNumber (uLong(num), separator); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setFormatedNumber (int num, char separator)
|
|
{ return setFormatedNumber (long(num), separator); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FString& FString::setFormatedNumber (uInt num, char separator)
|
|
{ return setFormatedNumber (uLong(num), separator); }
|
|
|
|
|
|
#endif // FSTRING_H
|