/usr/include/wx-3.0/wx/numformatter.h is in wx3.0-headers 3.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Name: wx/numformatter.h
// Purpose: wxNumberFormatter class
// Author: Fulvio Senore, Vadim Zeitlin
// Created: 2010-11-06
// Copyright: (c) 2010 wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_NUMFORMATTER_H_
#define _WX_NUMFORMATTER_H_
#include "wx/string.h"
// Helper class for formatting numbers with thousands separators which also
// supports parsing the numbers formatted by it.
class WXDLLIMPEXP_BASE wxNumberFormatter
{
public:
// Bit masks for ToString()
enum Style
{
Style_None = 0x00,
Style_WithThousandsSep = 0x01,
Style_NoTrailingZeroes = 0x02 // Only for floating point numbers
};
// Format a number as a string. By default, the thousands separator is
// used, specify Style_None to prevent this. For floating point numbers,
// precision can also be specified.
static wxString ToString(long val,
int style = Style_WithThousandsSep);
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
static wxString ToString(wxLongLong_t val,
int style = Style_WithThousandsSep);
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
static wxString ToString(double val,
int precision,
int style = Style_WithThousandsSep);
// Parse a string representing a number, possibly with thousands separator.
//
// Return true on success and stores the result in the provided location
// which must be a valid non-NULL pointer.
static bool FromString(wxString s, long *val);
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
static bool FromString(wxString s, wxLongLong_t *val);
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
static bool FromString(wxString s, double *val);
// Get the decimal separator for the current locale. It is always defined
// and we fall back to returning '.' in case of an error.
static wxChar GetDecimalSeparator();
// Get the thousands separator if grouping of the digits is used by the
// current locale. The value returned in sep should be only used if the
// function returns true.
static bool GetThousandsSeparatorIfUsed(wxChar *sep);
private:
// Post-process the string representing an integer.
static wxString PostProcessIntString(wxString s, int style);
// Add the thousands separators to a string representing a number without
// the separators. This is used by ToString(Style_WithThousandsSep).
static void AddThousandsSeparators(wxString& s);
// Remove trailing zeroes and, if there is nothing left after it, the
// decimal separator itself from a string representing a floating point
// number. Also used by ToString().
static void RemoveTrailingZeroes(wxString& s);
// Remove all thousands separators from a string representing a number.
static void RemoveThousandsSeparators(wxString& s);
};
#endif // _WX_NUMFORMATTER_H_
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