Compilation fix for r74440 and STL builds.

[wxWidgets.git] / src / common / datetimefmt.cpp

diff --git a/src/common/datetimefmt.cpp b/src/common/datetimefmt.cpp
index 64bb825190c80beed847ce48e06e2d7fdcd8b41e..69cc9964548f467d07e356508a2786501797f4f4 100644 (file)
--- a/src/common/datetimefmt.cpp
+++ b/src/common/datetimefmt.cpp
@@ -34,7 +34,7 @@
 #if !defined(wxUSE_DATETIME) || wxUSE_DATETIME
 
 #ifndef WX_PRECOMP
 #if !defined(wxUSE_DATETIME) || wxUSE_DATETIME
 
 #ifndef WX_PRECOMP

-    #ifdef __WXMSW__
+    #ifdef __WINDOWS__

         #include "wx/msw/wrapwin.h"
     #endif
     #include "wx/string.h"
         #include "wx/msw/wrapwin.h"
     #endif
     #include "wx/string.h"


@@ -57,6 +57,7 @@
 #endif
 
 #include "wx/datetime.h"
 #endif
 
 #include "wx/datetime.h"

+#include "wx/time.h"

 
 // ============================================================================
 // implementation of wxDateTime
 
 // ============================================================================
 // implementation of wxDateTime


@@ -68,8 +69,6 @@
 
 extern void InitTm(struct tm& tm);
 
 
 extern void InitTm(struct tm& tm);
 

-extern int GetTimeZone();
-

 extern wxString CallStrftime(const wxString& format, const tm* tm);
 
 // ----------------------------------------------------------------------------
 extern wxString CallStrftime(const wxString& format, const tm* tm);
 
 // ----------------------------------------------------------------------------


@@ -292,8 +291,14 @@ ParseFormatAt(wxString::const_iterator& p,
     const wxString str(p, end);
     wxString::const_iterator endParse;
     wxDateTime dt;
     const wxString str(p, end);
     wxString::const_iterator endParse;
     wxDateTime dt;

-    if ( dt.ParseFormat(str, fmt, &endParse) ||
-            (!fmtAlt.empty() && dt.ParseFormat(str, fmtAlt, &endParse)) )
+
+    // Use a default date outside of the DST period to avoid problems with
+    // parsing the time differently depending on the today's date (which is used
+    // as the fall back date if none is explicitly specified).
+    static const wxDateTime dtDef(1, wxDateTime::Jan, 2012);
+
+    if ( dt.ParseFormat(str, fmt, dtDef, &endParse) ||
+            (!fmtAlt.empty() && dt.ParseFormat(str, fmtAlt, dtDef, &endParse)) )

     {
         p += endParse - str.begin();
     }
     {
         p += endParse - str.begin();
     }


@@ -320,16 +325,22 @@ wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
     format.Replace("%X",wxLocale::GetInfo(wxLOCALE_TIME_FMT));
 #endif
     // we have to use our own implementation if the date is out of range of
     format.Replace("%X",wxLocale::GetInfo(wxLOCALE_TIME_FMT));
 #endif
     // we have to use our own implementation if the date is out of range of

-    // strftime() or if we use non standard specificators
+    // strftime() or if we use non standard specifiers (notice that "%z" is
+    // special because it is de facto standard under Unix but is not supported
+    // under Windows)

 #ifdef wxHAS_STRFTIME
     time_t time = GetTicks();
 
 #ifdef wxHAS_STRFTIME
     time_t time = GetTicks();
 

-    if ( (time != (time_t)-1) && !wxStrstr(format, wxT("%l")) )
+    if ( (time != (time_t)-1) && !wxStrstr(format, wxT("%l"))
+#ifdef __WINDOWS__
+            && !wxStrstr(format, wxT("%z"))
+#endif
+       )

     {
         // use strftime()
         struct tm tmstruct;
         struct tm *tm;
     {
         // use strftime()
         struct tm tmstruct;
         struct tm *tm;

-        if ( tz.GetOffset() == -GetTimeZone() )
+        if ( tz.GetOffset() == -wxGetTimeZone() )

         {
             // we are working with local time
             tm = wxLocaltime_r(&time, &tmstruct);
         {
             // we are working with local time
             tm = wxLocaltime_r(&time, &tmstruct);


@@ -398,6 +409,7 @@ wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
         switch ( (*++p).GetValue() )
         {
             case wxT('Y'):               // year has 4 digits
         switch ( (*++p).GetValue() )
         {
             case wxT('Y'):               // year has 4 digits

+            case wxT('z'):               // time zone as well

                 fmt = wxT("%04d");
                 break;
 
                 fmt = wxT("%04d");
                 break;
 


@@ -502,7 +514,7 @@ wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
                         // (indirectly) set the year correctly
                         while ( (nLostWeekDays % 7) != 0 )
                         {
                         // (indirectly) set the year correctly
                         while ( (nLostWeekDays % 7) != 0 )
                         {

-                            nLostWeekDays += year++ % 4 ? 1 : 2;
+                            nLostWeekDays += (year++ % 4) ? 1 : 2;

                         }
 
                         // finally move the year below 2000 so that the 2-digit
                         }
 
                         // finally move the year below 2000 so that the 2-digit


@@ -640,6 +652,37 @@ wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
                     res += wxString::Format(fmt, tm.year);
                     break;
 
                     res += wxString::Format(fmt, tm.year);
                     break;
 

+                case wxT('z'):       // time zone as [-+]HHMM
+                    {
+                        int ofs = tz.GetOffset();
+
+                        // The time zone offset does not include the DST, but
+                        // we do need to take it into account when showing the
+                        // time in the local time zone to the user.
+                        if ( ofs == -wxGetTimeZone() && IsDST() == 1 )
+                        {
+                            // FIXME: As elsewhere in wxDateTime, we assume
+                            // that the DST is always 1 hour, but this is not
+                            // true in general.
+                            ofs += 3600;
+                        }
+
+                        if ( ofs < 0 )
+                        {
+                            res += '-';
+                            ofs = -ofs;
+                        }
+                        else
+                        {
+                            res += '+';
+                        }
+
+                        // Converts seconds to HHMM representation.
+                        res += wxString::Format(fmt,
+                                                100*(ofs/3600) + (ofs/60)%60);
+                    }
+                    break;
+

                 case wxT('Z'):       // timezone name
 #ifdef wxHAS_STRFTIME
                     res += CallStrftime(wxT("%Z"), &tmTimeOnly);
                 case wxT('Z'):       // timezone name
 #ifdef wxHAS_STRFTIME
                     res += CallStrftime(wxT("%Z"), &tmTimeOnly);


@@ -668,7 +711,7 @@ wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
                     }
 
                     // no, it wasn't the width
                     }
 
                     // no, it wasn't the width

-                    wxFAIL_MSG(wxT("unknown format specificator"));
+                    wxFAIL_MSG(wxT("unknown format specifier"));

 
                     // fall through and just copy it nevertheless
 
 
                     // fall through and just copy it nevertheless
 


@@ -904,6 +947,26 @@ wxDateTime::ParseRfc822Date(const wxString& date, wxString::const_iterator *end)
     return true;
 }
 
     return true;
 }
 

+const char* wxDateTime::ParseRfc822Date(const char* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseRfc822Date(dateStr, &end) )
+        return NULL;
+
+    return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseRfc822Date(const wchar_t* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseRfc822Date(dateStr, &end) )
+        return NULL;
+
+    return date + (end - dateStr.begin());
+}
+

 bool
 wxDateTime::ParseFormat(const wxString& date,
                         const wxString& format,
 bool
 wxDateTime::ParseFormat(const wxString& date,
                         const wxString& format,


@@ -930,6 +993,8 @@ wxDateTime::ParseFormat(const wxString& date,
     bool hourIsIn12hFormat = false, // or in 24h one?
          isPM = false;              // AM by default
 
     bool hourIsIn12hFormat = false, // or in 24h one?
          isPM = false;              // AM by default
 

+    bool haveTimeZone = false;
+

     // and the value of the items we have (init them to get rid of warnings)
     wxDateTime_t msec = 0,
                  sec = 0,
     // and the value of the items we have (init them to get rid of warnings)
     wxDateTime_t msec = 0,
                  sec = 0,


@@ -940,6 +1005,7 @@ wxDateTime::ParseFormat(const wxString& date,
                  mday = 0;
     wxDateTime::Month mon = Inv_Month;
     int year = 0;
                  mday = 0;
     wxDateTime::Month mon = Inv_Month;
     int year = 0;

+    long timeZone = 0;  // time zone in seconds as expected in Tm structure

 
     wxString::const_iterator input = date.begin();
     const wxString::const_iterator end = date.end();
 
     wxString::const_iterator input = date.begin();
     const wxString::const_iterator end = date.end();


@@ -1378,6 +1444,41 @@ wxDateTime::ParseFormat(const wxString& date,
                 year = (wxDateTime_t)num;
                 break;
 
                 year = (wxDateTime_t)num;
                 break;
 

+            case wxT('z'):
+                {
+                    // check that we have something here at all
+                    if ( input == end )
+                        return false;
+
+                    // and then check that it's either plus or minus sign
+                    bool minusFound;
+                    if ( *input == wxT('-') )
+                        minusFound = true;
+                    else if ( *input == wxT('+') )
+                        minusFound = false;
+                    else
+                        return false;   // no match
+
+                    // here should follow 4 digits HHMM
+                    ++input;
+                    unsigned long tzHourMin;
+                    if ( !GetNumericToken(4, input, end, &tzHourMin) )
+                        return false;   // no match
+
+                    const unsigned hours = tzHourMin / 100;
+                    const unsigned minutes = tzHourMin % 100;
+
+                    if ( hours > 12 || minutes > 59 )
+                        return false;   // bad format
+
+                    timeZone = 3600*hours + 60*minutes;
+                    if ( minusFound )
+                        timeZone = -timeZone;
+
+                    haveTimeZone = true;
+                }
+                break;
+

             case wxT('Z'):       // timezone name
                 // FIXME: currently we just ignore everything that looks like a
                 //        time zone here
             case wxT('Z'):       // timezone name
                 // FIXME: currently we just ignore everything that looks like a
                 //        time zone here


@@ -1385,7 +1486,7 @@ wxDateTime::ParseFormat(const wxString& date,
                 break;
 
             case wxT('%'):       // a percent sign
                 break;
 
             case wxT('%'):       // a percent sign

-                if ( *input++ != wxT('%') )
+                if ( input == end || *input++ != wxT('%') )

                 {
                     // no match
                     return false;
                 {
                     // no match
                     return false;


@@ -1483,6 +1584,14 @@ wxDateTime::ParseFormat(const wxString& date,
 
     Set(tm);
 
 
     Set(tm);
 

+    // If a time zone was specified and it is not the local time zone, we need
+    // to shift the time accordingly.
+    //
+    // Note that avoiding the call to MakeFromTimeZone is necessary to avoid
+    // DST problems.
+    if ( haveTimeZone && timeZone != -wxGetTimeZone() )
+        MakeFromTimezone(timeZone);
+

     // finally check that the week day is consistent -- if we had it
     if ( haveWDay && GetWeekDay() != wday )
         return false;
     // finally check that the week day is consistent -- if we had it
     if ( haveWDay && GetWeekDay() != wday )
         return false;


@@ -1492,6 +1601,32 @@ wxDateTime::ParseFormat(const wxString& date,
     return true;
 }
 
     return true;
 }
 

+const char*
+wxDateTime::ParseFormat(const char* date,
+                        const wxString& format,
+                        const wxDateTime& dateDef)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseFormat(dateStr, format, dateDef, &end) )
+        return NULL;
+
+    return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t*
+wxDateTime::ParseFormat(const wchar_t* date,
+                        const wxString& format,
+                        const wxDateTime& dateDef)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseFormat(dateStr, format, dateDef, &end) )
+        return NULL;
+
+    return date + (end - dateStr.begin());
+}
+

 bool
 wxDateTime::ParseDateTime(const wxString& date, wxString::const_iterator *end)
 {
 bool
 wxDateTime::ParseDateTime(const wxString& date, wxString::const_iterator *end)
 {


@@ -1545,6 +1680,26 @@ wxDateTime::ParseDateTime(const wxString& date, wxString::const_iterator *end)
     return true;
 }
 
     return true;
 }
 

+const char* wxDateTime::ParseDateTime(const char* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseDateTime(dateStr, &end) )
+        return NULL;
+
+    return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseDateTime(const wchar_t* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseDateTime(dateStr, &end) )
+        return NULL;
+
+    return date + (end - dateStr.begin());
+}
+

 bool
 wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
 {
 bool
 wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
 {


@@ -1582,12 +1737,12 @@ wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
         if ( len > lenRest )
             continue;
 
         if ( len > lenRest )
             continue;
 

-        const wxString::const_iterator pEnd = p + len;
-        if ( wxString(p, pEnd).CmpNoCase(dateStr) == 0 )
+        const wxString::const_iterator pEndStr = p + len;
+        if ( wxString(p, pEndStr).CmpNoCase(dateStr) == 0 )

         {
             // nothing can follow this, so stop here
 
         {
             // nothing can follow this, so stop here
 

-            p = pEnd;
+            p = pEndStr;

 
             int dayDiffFromToday = literalDates[n].dayDiffFromToday;
             *this = Today();
 
             int dayDiffFromToday = literalDates[n].dayDiffFromToday;
             *this = Today();


@@ -1596,7 +1751,7 @@ wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
                 *this += wxDateSpan::Days(dayDiffFromToday);
             }
 
                 *this += wxDateSpan::Days(dayDiffFromToday);
             }
 

-            *end = pEnd;
+            *end = pEndStr;

 
             return true;
         }
 
             return true;
         }


@@ -1625,9 +1780,10 @@ wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
     while ( p != pEnd )
     {
         // skip white space and date delimiters
     while ( p != pEnd )
     {
         // skip white space and date delimiters

-        while ( wxStrchr(".,/-\t\r\n ", *p) )
+        if ( wxStrchr(".,/-\t\r\n ", *p) )

         {
             ++p;
         {
             ++p;

+            continue;

         }
 
         // modify copy of the iterator as we're not sure if the next token is
         }
 
         // modify copy of the iterator as we're not sure if the next token is


@@ -1901,6 +2057,26 @@ wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
     return true;
 }
 
     return true;
 }
 

+const char* wxDateTime::ParseDate(const char* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseDate(dateStr, &end) )
+        return NULL;
+
+    return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseDate(const wchar_t* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseDate(dateStr, &end) )
+        return NULL;
+
+    return date + (end - dateStr.begin());
+}
+

 bool
 wxDateTime::ParseTime(const wxString& time, wxString::const_iterator *end)
 {
 bool
 wxDateTime::ParseTime(const wxString& time, wxString::const_iterator *end)
 {


@@ -1941,6 +2117,8 @@ wxDateTime::ParseTime(const wxString& time, wxString::const_iterator *end)
         "%H:%M:%S",     // could be the same or 24 hour one so try it too
         "%I:%M %p",     // 12hour with AM/PM but without seconds
         "%H:%M",        // and a possibly 24 hour version without seconds
         "%H:%M:%S",     // could be the same or 24 hour one so try it too
         "%I:%M %p",     // 12hour with AM/PM but without seconds
         "%H:%M",        // and a possibly 24 hour version without seconds

+        "%I %p",        // just hour with AM/AM
+        "%H",           // just hour in 24 hour version

         "%X",           // possibly something from above or maybe something
                         // completely different -- try it last
 
         "%X",           // possibly something from above or maybe something
                         // completely different -- try it last
 


@@ -1956,6 +2134,26 @@ wxDateTime::ParseTime(const wxString& time, wxString::const_iterator *end)
     return false;
 }
 
     return false;
 }
 

+const char* wxDateTime::ParseTime(const char* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseTime(dateStr, &end) )
+        return NULL;
+
+    return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseTime(const wchar_t* date)
+{
+    wxString::const_iterator end;
+    wxString dateStr(date);
+    if ( !ParseTime(dateStr, &end) )
+        return NULL;
+
+    return date + (end - dateStr.begin());
+}
+

 // ----------------------------------------------------------------------------
 // Workdays and holidays support
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // Workdays and holidays support
 // ----------------------------------------------------------------------------