Add information about the log message generation location to wxLog.

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

diff --git a/src/common/xlocale.cpp b/src/common/xlocale.cpp
index 6adb86b8d996cb5a4baf1e5bbd8c451c81d3cf51..96c8a558caa48b79420cad5eca08c6de82d1280e 100644 (file)
--- a/src/common/xlocale.cpp
+++ b/src/common/xlocale.cpp
@@ -31,6 +31,8 @@
 
 #include "wx/xlocale.h"
 
+#include <errno.h>
+
 // ----------------------------------------------------------------------------
 // module globals
 // ----------------------------------------------------------------------------
@@ -38,6 +40,9 @@
 // This is the C locale object, it is created on demand
 static wxXLocale *gs_cLocale = NULL;
 
+wxXLocale wxNullXLocale;
+
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -71,7 +76,7 @@ wxXLocale& wxXLocale::GetCLocale()
 {
     if ( !gs_cLocale )
     {
-        gs_cLocale = new wxXLocale(wx_static_cast(wxXLocaleCTag *, NULL));
+        gs_cLocale = new wxXLocale(static_cast<wxXLocaleCTag *>(NULL));
     }
 
     return *gs_cLocale;
@@ -100,6 +105,9 @@ wxXLocale::wxXLocale(wxLanguage lang)
 
 void wxXLocale::Init(const char *loc)
 {
+    if (!loc || *loc == '\0')
+        return;
+
     m_locale = _create_locale(LC_ALL, loc);
 }
 
@@ -117,7 +125,38 @@ void wxXLocale::Free()
 
 void wxXLocale::Init(const char *loc)
 {
+    if (!loc || *loc == '\0')
+        return;
+
     m_locale = newlocale(LC_ALL_MASK, loc, NULL);
+    if (!m_locale)
+    {
+        // NOTE: here we do something similar to what wxSetLocaleTryUTF8() does
+        //       in wxLocale code (but with newlocale() calls instead of wxSetlocale())
+        wxString buf(loc);
+        wxString buf2;
+        buf2 = buf + wxS(".UTF-8");
+        m_locale = newlocale(LC_ALL_MASK, buf2.c_str(), NULL);
+        if ( !m_locale )
+        {
+            buf2 = buf + wxS(".utf-8");
+            m_locale = newlocale(LC_ALL_MASK, buf2.c_str(), NULL);
+        }
+        if ( !m_locale )
+        {
+            buf2 = buf + wxS(".UTF8");
+            m_locale = newlocale(LC_ALL_MASK, buf2.c_str(), NULL);
+        }
+        if ( !m_locale )
+        {
+            buf2 = buf + wxS(".utf8");
+            m_locale = newlocale(LC_ALL_MASK, buf2.c_str(), NULL);
+        }
+    }
+    
+    // TODO: wxLocale performs many more manipulations of the given locale
+    //       string in the attempt to set a valid locale; reusing that code
+    //       (changing it to take a generic wxTryLocale callback) would be nice
 }
 
 void wxXLocale::Free()
@@ -223,6 +262,85 @@ int wxToupper_l(const wxUniChar& c, const wxXLocale& loc)
     return c;
 }
 
+
+// ----------------------------------------------------------------------------
+// string --> number conversion functions
+// ----------------------------------------------------------------------------
+
+/*
+    WARNING: the implementation of the wxStrtoX_l() functions below is unsafe
+             in a multi-threaded environment as we temporary change the locale
+             and if in the meanwhile an other thread performs some locale-dependent
+             operation, it may get unexpected results...
+             However this is the best we can do without reinventing the wheel in the
+             case !wxHAS_XLOCALE_SUPPORT...
+*/
+
+/*
+    Note that this code is similar to (a portion of) wxLocale::IsAvailable code
+*/
+#define IMPLEMENT_STRTOX_L_START                                \
+    wxCHECK(loc.IsOk(), 0);                                     \
+                                                                \
+    /* (Try to) temporary set the 'C' locale */                 \
+    const char *oldLocale = wxSetlocale(LC_NUMERIC, "C");       \
+    if ( !oldLocale )                                           \
+    {                                                           \
+        /* the current locale was not changed; no need to */    \
+        /* restore the previous one... */                       \
+        errno = EINVAL;                                         \
+            /* signal an error (better than nothing) */         \
+        return 0;                                               \
+    }
+
+#define IMPLEMENT_STRTOX_L_END                                  \
+    /* restore the original locale */                           \
+    wxSetlocale(LC_NUMERIC, oldLocale);                         \
+    return ret;
+
+double wxStrtod_l(const wchar_t* str, wchar_t **endptr, const wxXLocale& loc)
+{
+    IMPLEMENT_STRTOX_L_START
+    double ret = wxStrtod(str, endptr);
+    IMPLEMENT_STRTOX_L_END
+}
+
+double wxStrtod_l(const char* str, char **endptr, const wxXLocale& loc)
+{
+    IMPLEMENT_STRTOX_L_START
+    double ret = wxStrtod(str, endptr);
+    IMPLEMENT_STRTOX_L_END
+}
+
+long wxStrtol_l(const wchar_t* str, wchar_t **endptr, int base, const wxXLocale& loc)
+{ 
+    IMPLEMENT_STRTOX_L_START
+    long ret = wxStrtol(str, endptr, base);
+    IMPLEMENT_STRTOX_L_END
+}
+
+long wxStrtol_l(const char* str, char **endptr, int base, const wxXLocale& loc)
+{
+    IMPLEMENT_STRTOX_L_START
+    long ret = wxStrtol(str, endptr, base);
+    IMPLEMENT_STRTOX_L_END
+}
+
+unsigned long wxStrtoul_l(const wchar_t* str, wchar_t **endptr, int base, const wxXLocale& loc)
+{
+    IMPLEMENT_STRTOX_L_START
+    unsigned long ret = wxStrtoul(str, endptr, base);
+    IMPLEMENT_STRTOX_L_END
+}
+
+unsigned long wxStrtoul_l(const char* str, char **endptr, int base, const wxXLocale& loc)
+{
+    IMPLEMENT_STRTOX_L_START
+    unsigned long ret = wxStrtoul(str, endptr, base);
+    IMPLEMENT_STRTOX_L_END
+}
+
+
 #endif // !defined(wxHAS_XLOCALE_SUPPORT)
 
 #endif // wxUSE_XLOCALE