]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wxchar.cpp
fixed MSVC6 warning
[wxWidgets.git] / src / common / wxchar.cpp
index edbe661e7572ec6be452d9dc82bc04bf04891c33..e09e7e06b6fdffcf37c41031eedb57259141cd9c 100644 (file)
@@ -2,10 +2,10 @@
 // Name:        wxchar.cpp
 // Purpose:     wxChar implementation
 // Author:      Ove Kåven
-// Modified by:
+// Modified by: Ron Lee
 // Created:     09/04/99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows copyright
+// Copyright:   (c) wxWidgets copyright
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -130,11 +130,11 @@ bool WXDLLEXPORT wxOKlibc()
             (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
             (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
       // nope, don't use libc conversion
-      return FALSE;
+      return false;
     }
   }
 #endif
-  return TRUE;
+  return true;
 }
 
 // ============================================================================
@@ -180,10 +180,10 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
         {
             static char s_szFlags[256] = "%";
             size_t flagofs = 1;
-            bool adj_left = FALSE,
-                 in_prec = FALSE,
-                 prec_dot = FALSE,
-                 done = FALSE;
+            bool adj_left = false,
+                 in_prec = false,
+                 prec_dot = false,
+                 done = false;
             int ilen = 0;
             size_t min_width = 0,
                    max_width = wxSTRING_MAXLEN;
@@ -194,14 +194,16 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                 if (in_prec && !prec_dot) \
                 { \
                     s_szFlags[flagofs++] = '.'; \
-                    prec_dot = TRUE; \
+                    prec_dot = true; \
                 }
 
 #define APPEND_CH(ch) \
-                if ( lenCur == lenMax ) \
-                    return -1; \
-                \
-                buf[lenCur++] = ch
+                { \
+                    if ( lenCur == lenMax ) \
+                        return -1; \
+                    \
+                    buf[lenCur++] = ch; \
+                }
 
 #define APPEND_STR(s) \
                 { \
@@ -218,12 +220,12 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                     case wxT('\0'):
                         APPEND_CH(_T('\0'));
 
-                        done = TRUE;
+                        done = true;
                         break;
 
                     case wxT('%'):
                         APPEND_CH(_T('%'));
-                        done = TRUE;
+                        done = true;
                         break;
 
                     case wxT('#'):
@@ -237,14 +239,14 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
 
                     case wxT('-'):
                         CHECK_PREC
-                        adj_left = TRUE;
+                        adj_left = true;
                         s_szFlags[flagofs++] = ch;
                         break;
 
                     case wxT('.'):
                         CHECK_PREC
-                        in_prec = TRUE;
-                        prec_dot = FALSE;
+                        in_prec = true;
+                        prec_dot = false;
                         max_width = 0;
                         // dot will be auto-added to s_szFlags if non-negative
                         // number follows
@@ -370,7 +372,7 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                             APPEND_STR(tmp);
                         }
 
-                        done = TRUE;
+                        done = true;
                         break;
 
                     case wxT('e'):
@@ -398,7 +400,7 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                             APPEND_STR(tmp);
                         }
 
-                        done = TRUE;
+                        done = true;
                         break;
 
                     case wxT('p'):
@@ -413,52 +415,77 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                                 wxConvLibc.cMB2WX(szScratch);
                             APPEND_STR(tmp);
 
-                            done = TRUE;
+                            done = true;
                         }
                         break;
 
                     case wxT('c'):
                         {
-                            wxChar val = va_arg(argptr, int);
-                            // we don't need to honor padding here, do we?
+                            int val = va_arg(argptr, int);
+#if wxUSE_UNICODE
+                            if (ilen == -1)
+                            {
+                                const char buf[2] = { val, 0 };
+                                val = wxString(buf, wxConvLibc)[0u];
+                            }
+#elif wxUSE_WCHAR_T
+                            if (ilen == 1)
+                            {
+                                const wchar_t buf[2] = { val, 0 };
+                                val = wxString(buf, wxConvLibc)[0u];
+                            }
+#endif
+                            size_t i;
+
+                            if (!adj_left)
+                                for (i = 1; i < min_width; i++)
+                                    APPEND_CH(_T(' '));
+
                             APPEND_CH(val);
 
-                            done = TRUE;
+                            if (adj_left)
+                                for (i = 1; i < min_width; i++)
+                                    APPEND_CH(_T(' '));
+
+                            done = true;
                         }
                         break;
 
                     case wxT('s'):
-                        if (ilen == -1)
                         {
-                            // wx extension: we'll let %hs mean non-Unicode
-                            // strings
-                            char *val = va_arg(argptr, char *);
+                            const wxChar *val = NULL;
 #if wxUSE_UNICODE
-                            // ASCII->Unicode constructor handles max_width
-                            // right
-                            wxString s(val, wxConvLibc, max_width);
-#else
-                            size_t len = wxSTRING_MAXLEN;
-                            if (val)
+                            wxString s;
+
+                            if (ilen == -1)
                             {
-                                for ( len = 0;
-                                      val[len] && (len < max_width);
-                                      len++ )
-                                    ;
+                                // wx extension: we'll let %hs mean non-Unicode
+                                // strings
+                                char *v = va_arg(argptr, char *);
+
+                                if (v)
+                                    val = s = wxString(v, wxConvLibc);
+                            }
+                            else
+#elif wxUSE_WCHAR_T
+                            wxString s;
+
+                            if (ilen == 1)
+                            {
+                                // %ls means Unicode strings
+                                wchar_t *v = va_arg(argptr, wchar_t *);
+
+                                if (v)
+                                    val = s = wxString(v, wxConvLibc);
                             }
                             else
-                                val = wxT("(null)");
-                            wxString s(val, len);
 #endif
-                            if (s.Len() < min_width)
-                                s.Pad(min_width - s.Len(), wxT(' '), adj_left);
+                            {
+                                val = va_arg(argptr, wxChar *);
+                            }
+
+                            size_t len = 0;
 
-                            APPEND_STR(s);
-                        }
-                        else
-                        {
-                            wxChar *val = va_arg(argptr, wxChar *);
-                            size_t len = wxSTRING_MAXLEN;
                             if (val)
                             {
                                 for ( len = 0;
@@ -466,16 +493,32 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                                       len++ )
                                     ;
                             }
-                            else
+                            else if (max_width >= 6)
+                            {
                                 val = wxT("(null)");
+                                len = 6;
+                            }
+                            else
+                            {
+                                val = wxT("");
+                                len = 0;
+                            }
+
+                            size_t i;
+
+                            if (!adj_left)
+                                for (i = len; i < min_width; i++)
+                                    APPEND_CH(_T(' '));
 
-                            wxString s(val, len);
-                            if (s.Len() < min_width)
-                                s.Pad(min_width - s.Len(), wxT(' '), adj_left);
+                            for (i = 0; i < len; i++)
+                                APPEND_CH(val[i]);
 
-                            APPEND_STR(s);
+                            if (adj_left)
+                                for (i = len; i < min_width; i++)
+                                    APPEND_CH(_T(' '));
+
+                            done = true;
                         }
-                        done = TRUE;
                         break;
 
                     case wxT('n'):
@@ -494,14 +537,14 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                             long int *val = va_arg(argptr, long int *);
                             *val = lenCur;
                         }
-                        done = TRUE;
+                        done = true;
                         break;
 
                     default:
                         // bad format, leave unchanged
                         APPEND_CH(_T('%'));
                         APPEND_CH(ch);
-                        done = TRUE;
+                        done = true;
                         break;
                 }
             }
@@ -540,27 +583,44 @@ int WXDLLEXPORT wxSnprintf_(wxChar *buf, size_t len, const wxChar *format, ...)
 }
 #endif // wxSnprintf_
 
+#if defined(__DMC__)
+    /* Digital Mars adds count to _stprintf (C99) so convert */
+    #if wxUSE_UNICODE
+        int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... )
+        {
+            va_list arglist;
+
+            va_start( arglist, format );
+            int iLen = swprintf ( s, -1, format, arglist );
+            va_end( arglist );
+            return iLen ;
+        }
+
+    #endif // wxUSE_UNICODE
+
+#endif //__DMC__
+
 // ----------------------------------------------------------------------------
 // implement the standard IO functions for wide char if libc doesn't have them
 // ----------------------------------------------------------------------------
 
-#ifdef wxNEED_FPUTWC
-
+#ifdef wxNEED_FPUTS
 int wxFputs(const wchar_t *ws, FILE *stream)
 {
     // counting the number of wide characters written isn't worth the trouble,
     // simply distinguish between ok and error
     return fputs(wxConvLibc.cWC2MB(ws), stream) == -1 ? -1 : 0;
 }
+#endif // wxNEED_FPUTS
 
+#ifdef wxNEED_PUTC
 int /* not wint_t */ wxPutc(wchar_t wc, FILE *stream)
 {
     wchar_t ws[2] = { wc, L'\0' };
 
     return wxFputs(ws, stream);
 }
-
-#endif // wxNEED_FPUTWC
+#endif // wxNEED_PUTC
 
 // NB: we only implement va_list functions here, the ones taking ... are
 //     defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse
@@ -644,7 +704,7 @@ int vwprintf(const wxChar *format, va_list argptr)
    So to use native functions in order to get our semantics we must do the
    following translations in Unicode mode (nothing to do in ANSI mode):
 
-   wxWindows specifier      POSIX specifier
+   wxWidgets specifier      POSIX specifier
    ----------------------------------------
 
    %hc, %C, %hC             %c
@@ -714,10 +774,10 @@ private:
                ch == _T('0') || ch == _T(' ') || ch == _T('#');
     }
 
-    void SkipDigits(const wxChar **ppc)
+    void SkipDigits(const wxChar **ptpc)
     {
-        while ( **ppc >= _T('0') && **ppc <= _T('9') )
-            CopyFmtChar(*(*ppc)++);
+        while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
+            CopyFmtChar(*(*ptpc)++);
     }
 
     // the translated format
@@ -902,12 +962,14 @@ int wxSprintf( wxChar *str, const wxChar *format, ... )
     va_list argptr;
     va_start(argptr, format);
 
-    // callers of wxSprintf() deserve what they get
-    int ret = vswprintf( str, UINT_MAX, wxFormatConverter(format), argptr );
+    // note that wxString::FormatV() uses wxVsnprintf(), not wxSprintf(), so
+    // it's safe to implement this one in terms of it
+    wxString s(wxString::FormatV(format, argptr));
+    wxStrcpy(str, s);
 
     va_end(argptr);
 
-    return ret;
+    return s.length();
 }
 
 int wxFprintf( FILE *stream, const wxChar *format, ... )
@@ -947,7 +1009,7 @@ int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list argptr
 int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
 {
     // same as for wxSprintf()
-    return vswprintf(str, UINT_MAX, wxFormatConverter(format), argptr);
+    return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
 }
 
 #endif // wxNEED_PRINTF_CONVERSION
@@ -968,7 +1030,7 @@ inline WORD wxMSW_ctype(wxChar ch)
 
 WXDLLEXPORT int wxIsalnum(wxChar ch) { return IsCharAlphaNumeric(ch); }
 WXDLLEXPORT int wxIsalpha(wxChar ch) { return IsCharAlpha(ch); }
-WXDLLEXPORT int wxIsctrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
+WXDLLEXPORT int wxIscntrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
 WXDLLEXPORT int wxIsdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_DIGIT; }
 WXDLLEXPORT int wxIsgraph(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_PUNCT|C1_ALPHA); }
 WXDLLEXPORT int wxIslower(wxChar ch) { return IsCharLower(ch); }
@@ -1267,36 +1329,16 @@ long     WXDLLEXPORT wxAtol(const wxChar *psz)
 
 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
 {
-  static wxHashTable env;
-
-  // check if we already have stored the converted env var
-  wxObject *data = env.Get(name);
-  if (!data)
-  {
-    // nope, retrieve it,
-#if wxUSE_UNICODE
-    wxCharBuffer buffer = wxConvLocal.cWX2MB(name);
-    // printf( "buffer %s\n", (const char*) buffer );
-    const char *val = getenv( (const char *)buffer );
-#else
-    const char *val = getenv( name );
-#endif
-
-    if (!val) return (wxChar *)NULL;
-    // printf( "home %s\n", val );
-
-    // convert it,
 #if wxUSE_UNICODE
-    data = (wxObject *)new wxString(val, wxConvLocal);
+    // NB: buffer returned by getenv() is allowed to be overwritten next
+    //     time getenv() is called, so it is OK to use static string
+    //     buffer to hold the data.
+    static wxWCharBuffer value((wxChar*)NULL);
+    value = wxConvLocal.cMB2WX(getenv(wxConvLocal.cWX2MB(name)));
+    return value.data();
 #else
-    data = (wxObject *)new wxString(val);
+    return getenv(name);
 #endif
-
-    // and store it
-    env.Put(name, data);
-  }
-  // return converted env var
-  return (wxChar *)((wxString *)data)->c_str();
 }
 
 int WXDLLEXPORT wxSystem(const wxChar *psz)
@@ -1328,6 +1370,18 @@ WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const
 }
 #endif // wxNEED_WX_TIME_H
 
+#ifndef wxCtime
+WXDLLEXPORT wxChar *wxCtime(const time_t *timep)
+{
+    static wxChar   buf[128];
+
+    wxStrncpy( buf, wxConvertMB2WX( ctime( timep ) ), sizeof( buf ) );
+    buf[ sizeof( buf ) - 1 ] = _T('\0');
+
+    return buf;
+}
+#endif // wxCtime
+
 #endif // wxUSE_WCHAR_T
 
 // ----------------------------------------------------------------------------