// conditional compilation
// ----------------------------------------------------------------------------
-#if defined(HAVE_STRPTIME) && defined(__GLIBC__) && \
- ((__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0))
- // glibc 2.0.7 strptime() is broken - the following snippet causes it to
- // crash (instead of just failing):
- //
- // strncpy(buf, "Tue Dec 21 20:25:40 1999", 128);
- // strptime(buf, "%x", &tm);
- //
- // so don't use it
- #undef HAVE_STRPTIME
-#endif // broken strptime()
-
-#if defined(HAVE_STRPTIME) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
- // configure detects strptime as linkable because it's in the OS X
- // System library but MSL headers don't declare it.
-
-// char *strptime(const char *, const char *, struct tm *);
- // However, we DON'T want to just provide it here because we would
- // crash and/or overwrite data when strptime from OS X tries
- // to fill in MW's struct tm which is two fields shorter (no TZ stuff)
- // So for now let's just say we don't have strptime
- #undef HAVE_STRPTIME
-#endif
-
// everyone has strftime except Win CE unless VC8 is used
#if !defined(__WXWINCE__) || defined(__VISUALC8__)
#define HAVE_STRFTIME
inline wxTimeSpan Subtract(const wxDateTime& dt) const;
inline wxTimeSpan operator-(const wxDateTime& dt2) const;
- // conversion to/from text: all conversions from text return an object
- // representing the next character following the date specification (i.e.
- // the one where the scan had to stop) or a special NULL-like object
- // on failure -- this object is necessary to preserve compatibility with
- // the existing code assigning the return value of these functions to
- // either char* or wxChar* (new code should treat the return value as bool
- // and use end parameter to retrieve the end of the scan)
+ // conversion to/from text
// ------------------------------------------------------------------------
+ // all conversions functions return true to indicate whether parsing
+ // succeeded or failed and fill in the provided end iterator, which must
+ // not be NULL, with the location of the character where the parsing
+ // stopped (this will be end() of the passed string if everything was
+ // parsed)
+
// parse a string in RFC 822 format (found e.g. in mail headers and
// having the form "Wed, 10 Feb 1999 19:07:07 +0100")
- wxAnyStrPtr ParseRfc822Date(const wxString& date,
- wxString::const_iterator *end = NULL);
+ bool ParseRfc822Date(const wxString& date,
+ wxString::const_iterator *end);
// parse a date/time in the given format (see strptime(3)), fill in
// the missing (in the string) fields with the values of dateDef (by
// default, they will not change if they had valid values or will
// default to Today() otherwise)
- wxAnyStrPtr ParseFormat(const wxString& date,
- const wxString& format = wxDefaultDateTimeFormat,
- const wxDateTime& dateDef = wxDefaultDateTime,
- wxString::const_iterator *end = NULL);
-
- wxAnyStrPtr ParseFormat(const wxString& date,
- const wxString& format,
- wxString::const_iterator *end)
+ bool ParseFormat(const wxString& date,
+ const wxString& format,
+ const wxDateTime& dateDef,
+ wxString::const_iterator *end);
+
+ bool ParseFormat(const wxString& date,
+ const wxString& format,
+ wxString::const_iterator *end)
{
return ParseFormat(date, format, wxDefaultDateTime, end);
}
+ bool ParseFormat(const wxString& date,
+ wxString::const_iterator *end)
+ {
+ return ParseFormat(date, wxDefaultDateTimeFormat, wxDefaultDateTime, end);
+ }
// parse a string containing date, time or both in ISO 8601 format
//
// provide compatibility overloads for them
bool ParseISODate(const wxString& date)
{
- // FIXME-VC6: notice that writing "return ParseFormat() && ..." crashes
- // VC6 with internal compiler error so don't attempt to
- // simplify this code like this
-
wxString::const_iterator end;
- if ( !ParseFormat(date, wxS("%Y-%m-%d"), &end) )
- return false;
-
- return end == date.end();
+ return ParseFormat(date, wxS("%Y-%m-%d"), &end) && end == date.end();
}
bool ParseISOTime(const wxString& time)
{
wxString::const_iterator end;
- if ( !ParseFormat(time, wxS("%H:%M:%S"), &end) )
- return false;
-
- return end == time.end();
+ return ParseFormat(time, wxS("%H:%M:%S"), &end) && end == time.end();
}
bool ParseISOCombined(const wxString& datetime, char sep = 'T')
{
wxString::const_iterator end;
const wxString fmt = wxS("%Y-%m-%d") + wxString(sep) + wxS("%H:%M:%S");
- if ( !ParseFormat(datetime, fmt, &end) )
- return false;
-
- return end == datetime.end();
+ return ParseFormat(datetime, fmt, &end) && end == datetime.end();
}
// parse a string containing the date/time in "free" format, this
// function will try to make an educated guess at the string contents
- wxAnyStrPtr ParseDateTime(const wxString& datetime,
- wxString::const_iterator *end = NULL);
+ bool ParseDateTime(const wxString& datetime,
+ wxString::const_iterator *end);
// parse a string containing the date only in "free" format (less
// flexible than ParseDateTime)
- wxAnyStrPtr ParseDate(const wxString& date,
- wxString::const_iterator *end = NULL);
+ bool ParseDate(const wxString& date,
+ wxString::const_iterator *end);
// parse a string containing the time only in "free" format
- wxAnyStrPtr ParseTime(const wxString& time,
- wxString::const_iterator *end = NULL);
+ bool ParseTime(const wxString& time,
+ wxString::const_iterator *end);
// this function accepts strftime()-like format string (default
wxString FormatISOCombined(char sep = 'T') const
{ return FormatISODate() + sep + FormatISOTime(); }
+
+ // backwards compatible versions of the parsing functions: they return an
+ // object representing the next character following the date specification
+ // (i.e. the one where the scan had to stop) or a special NULL-like object
+ // on failure
+ //
+ // they're not deprecated because a lot of existing code uses them and
+ // there is no particular harm in keeping them but you should still prefer
+ // the versions above in the new code
+ wxAnyStrPtr ParseRfc822Date(const wxString& date)
+ {
+ wxString::const_iterator end;
+ return ParseRfc822Date(date, &end) ? wxAnyStrPtr(date, end)
+ : wxAnyStrPtr();
+ }
+
+ wxAnyStrPtr ParseFormat(const wxString& date,
+ const wxString& format = wxDefaultDateTimeFormat,
+ const wxDateTime& dateDef = wxDefaultDateTime)
+ {
+ wxString::const_iterator end;
+ return ParseFormat(date, format, dateDef, &end) ? wxAnyStrPtr(date, end)
+ : wxAnyStrPtr();
+ }
+
+ wxAnyStrPtr ParseDateTime(const wxString& datetime)
+ {
+ wxString::const_iterator end;
+ return ParseDateTime(datetime, &end) ? wxAnyStrPtr(datetime, end)
+ : wxAnyStrPtr();
+ }
+
+ wxAnyStrPtr ParseDate(const wxString& date)
+ {
+ wxString::const_iterator end;
+ return ParseDate(date, &end) ? wxAnyStrPtr(date, end)
+ : wxAnyStrPtr();
+ }
+
+ wxAnyStrPtr ParseTime(const wxString& time)
+ {
+ wxString::const_iterator end;
+ return ParseTime(time, &end) ? wxAnyStrPtr(time, end)
+ : wxAnyStrPtr();
+ }
+
// implementation
// ------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff