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added support for width and flags in wxDateTime::Format()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5051 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1999-12-21 16:24:57 +00:00
parent 341e7d2889
commit 77c3e48a9e
2 changed files with 61 additions and 32 deletions
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82
src/common/datetime.cpp
View File

@ -1587,7 +1587,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
tmTimeOnly.tm_year = 76;
tmTimeOnly.tm_isdst = 0; // no DST, we adjust for tz ourselves
wxString tmp, res;
wxString tmp, res, fmt;
for ( const wxChar *p = format; *p; p++ )
{
if ( *p != _T('%') )
@ -1598,8 +1598,28 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
continue;
}
// start of the format specification
// set the default format
switch ( *++p )
{
case _T('Y'): // year has 4 digits
fmt = _T("%04d");
break;
case _T('j'): // day of year has 3 digits
fmt = _T("%03d");
break;
default:
// it's either another valid format specifier in which case
// the format is "%02d" (for all the rest) or we have the
// field width preceding the format in which case it will
// override the default format anyhow
fmt = _T("%02d");
}
restart:
// start of the format specification
switch ( *p )
{
case _T('a'): // a weekday name
case _T('A'):
@ -1746,13 +1766,11 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
break;
case _T('d'): // day of a month (01-31)
tmp.Printf(_T("%02d"), tm.mday);
res += tmp;
res += wxString::Format(fmt, tm.mday);
break;
case _T('H'): // hour in 24h format (00-23)
tmp.Printf(_T("%02d"), tm.hour);
res += tmp;
res += wxString::Format(fmt, tm.hour);
break;
case _T('I'): // hour in 12h format (01-12)
@ -1760,24 +1778,20 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
// 24h -> 12h, 0h -> 12h too
int hour12 = tm.hour > 12 ? tm.hour - 12
: tm.hour ? tm.hour : 12;
tmp.Printf(_T("%02d"), hour12);
res += tmp;
res += wxString::Format(fmt, hour12);
}
break;
case _T('j'): // day of the year
tmp.Printf(_T("%03d"), GetDayOfYear(tz));
res += tmp;
res += wxString::Format(fmt, GetDayOfYear(tz));
break;
case _T('m'): // month as a number (01-12)
tmp.Printf(_T("%02d"), tm.mon + 1);
res += tmp;
res += wxString::Format(fmt, tm.mon + 1);
break;
case _T('M'): // minute as a decimal number (00-59)
tmp.Printf(_T("%02d"), tm.min);
res += tmp;
res += wxString::Format(fmt, tm.min);
break;
case _T('p'): // AM or PM string
@ -1785,24 +1799,22 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
break;
case _T('S'): // second as a decimal number (00-61)
tmp.Printf(_T("%02d"), tm.sec);
res += tmp;
res += wxString::Format(fmt, tm.sec);
break;
case _T('U'): // week number in the year (Sunday 1st week day)
tmp.Printf(_T("%02d"),
(GetDayOfYear(tz) - tm.GetWeekDay() + 7) / 7);
res += tmp;
{
int week = (GetDayOfYear(tz) - tm.GetWeekDay() + 7) / 7;
res += wxString::Format(fmt, week);
}
break;
case _T('W'): // week number in the year (Monday 1st week day)
tmp.Printf(_T("%02d"), GetWeekOfYear(tz));
res += tmp;
res += wxString::Format(fmt, GetWeekOfYear(tz));
break;
case _T('w'): // weekday as a number (0-6), Sunday = 0
tmp.Printf(_T("%d"), tm.GetWeekDay());
res += tmp;
res += wxString::Format(fmt, tm.GetWeekDay());
break;
// case _T('x'): -- handled with "%c"
@ -1813,13 +1825,11 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
break;
case _T('y'): // year without century (00-99)
tmp.Printf(_T("%02d"), tm.year % 100);
res += tmp;
res += wxString::Format(fmt, tm.year % 100);
break;
case _T('Y'): // year with century
tmp.Printf(_T("%04d"), tm.year);
res += tmp;
res += wxString::Format(fmt, tm.year);
break;
case _T('Z'): // timezone name
@ -1827,6 +1837,24 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
break;
default:
// is it the format width?
fmt.Empty();
while ( *p == _T('-') || *p == _T('+') ||
*p == _T(' ') || wxIsdigit(*p) )
{
fmt += *p;
}
if ( !fmt.IsEmpty() )
{
// we've only got the flags and width so far in fmt
fmt.Prepend(_T('%'));
fmt.Append(_T('d'));
goto restart;
}
// no, it wasn't the width
wxFAIL_MSG(_T("unknown format specificator"));
// fall through and just copy it nevertheless

11
src/common/string.cpp
View File

@ -1105,14 +1105,15 @@ wxString& wxString::operator<<(double d)
/* static */
wxString wxString::Format(const wxChar *pszFormat, ...)
{
va_list argptr;
va_start(argptr, pszFormat);
va_list argptr;
va_start(argptr, pszFormat);
wxString s = FormatV(pszFormat, argptr);
wxString s;
s.PrintfV(pszFormat, argptr);
va_end(argptr);
va_end(argptr);
return s;
return s;
}
/* static */