Unicode definitions for glibc, etc.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2075 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/wxchar.h

@@ -21,7 +21,7 @@
 #error "MBCS is not supported by wxChar"
 #endif
 
-// only do Unicode for Windows (VC++), for now
+// Windows (VC++) has broad TCHAR support
 #if defined(__VISUALC__) && defined(__WIN32__)
 
 #include <tchar.h>
@@ -113,12 +113,65 @@ typedef  _TUCHAR     wxUChar;
 
    // translate wxZZZ names
 
-#else//!Unicode
+#else//!Windows (VC++)
 
-// make sure we aren't doing Unicode
+// check whether we are doing Unicode
-#if defined ( __WXUNICODE__ ) || defined ( _UNICODE )
+#if wxUSE_UNICODE
+
+#include <wchar.h>
+#include <wctype.h>
+
+// this is probably glibc-specific
+#if defined(__WCHAR_TYPE__)
+
+typedef __WCHAR_TYPE__          wxChar;
+typedef signed __WCHAR_TYPE__   wxSChar;
+typedef unsigned __WCHAR_TYPE__ wxUChar;
+
+#define _T(x)                   L##x
+
+   // ctype.h functions (wctype.h)
+#define  wxIsalnum   iswalnum
+#define  wxIsalpha   iswalpha
+#define  wxIsctrl    iswcntrl
+#define  wxIsdigit   iswdigit
+#define  wxIsgraph   iswgraph
+#define  wxIslower   iswlower
+#define  wxIsprint   iswprint
+#define  wxIspunct   iswpunct
+#define  wxIsspace   iswspace
+#define  wxIsupper   iswupper
+#define  wxIsxdigit  iswxdigit
+#define  wxTolower   towlower
+#define  wxToupper   towupper
+
+   // string.h functions (wchar.h)
+#define  wxStrcat    wcscat
+#define  wxStrchr    wcschr
+#define  wxStrcmp    wcscmp
+#define  wxStrcoll   wcscoll
+#define  wxStrcpy    wcscpy
+#define  wxStrcspn   wcscspn
+#define  wxStrncat   wcsncat
+#define  wxStrncmp   wcsncmp
+#define  wxStrncpy   wcsncpy
+#define  wxStrpbrk   wcspbrk
+#define  wxStrrchr   wcsrchr
+#define  wxStrspn    wcsspn
+#define  wxStrstr    wcsstr
+#define  wxStrtod    wcstod
+#define  wxStrtok    wcstok
+#define  wxStrtol    wcstol
+#define  wxStrtoul   wcstoul
+#define  wxStrxfrm   wcsxfrm
+
+// glibc doesn't have wc equivalents of the other stuff
+// do we need to write wrappers for them?
+
+#else
 #error   "Please define your compiler's Unicode conventions in wxChar.h"
 #endif
+#else//!Unicode
 
 typedef char            wxChar;
 typedef signed char     wxSChar;
@@ -151,7 +204,6 @@ typedef unsigned char   wxUChar;
 #define  wxStrcoll   strcoll
 #define  wxStrcpy    strcpy
 #define  wxStrcspn   strcspn
-#define  wxStrftime  strftime
 #define  wxStrncat   strncat
 #define  wxStrncmp   strncmp
 #define  wxStrncpy   strncpy
@@ -203,8 +255,10 @@ typedef unsigned char   wxUChar;
    // time.h functions
 #define  wxAsctime   asctime
 #define  wxCtime     ctime
+#define  wxStrftime  strftime
 
 #endif//Unicode
+#endif
 
 
 /// checks whether the passed in pointer is NULL and if the string is empty
@@ -214,27 +268,41 @@ inline bool WXDLLEXPORT wxIsEmpty(const wxChar *p) { return !p || !*p; }
 inline size_t  WXDLLEXPORT wxStrlen(const wxChar *psz)
 #if defined(__VISUALC__)
    { return psz ? _tcslen(psz) : 0; }
+#elif wxUSE_UNICODE
+   { return psz ? wcslen(psz) : 0; }
 #else
    { return psz ? strlen(psz) : 0; }
 #endif
 
 /// portable strcasecmp/_stricmp
-inline int WXDLLEXPORT wxStricmp(const wxChar *, const wxChar *)
+inline int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
 #if defined(__VISUALC__)
    { return _tcsicmp(psz1, psz2); }
-#elif defined(__BORLANDC__)
+#elif defined(__BORLANDC__) && !wxUSE_UNICODE
    { return stricmp(psz1, psz2); }
-#elif   defined(__UNIX__) || defined(__GNUWIN32__)
+#elif defined(__UNIX__) || defined(__GNUWIN32__)
+#if !wxUSE_UNICODE
    { return strcasecmp(psz1, psz2); }
+#else // glibc doesn't seem to have wide char equivalent
+   {
+     register wxChar c1, c2;
+     do {
+       c1 = wxTolower(*psz1++);
+       c2 = wxTolower(*psz2++);
+     } while ( c1 && (c1 == c2) );
+
+     return c1 - c2;
+   }
+#endif
 #else
   // almost all compilers/libraries provide this function (unfortunately under
   // different names), that's why we don't implement our own which will surely
   // be more efficient than this code (uncomment to use):
   /*
-    register char c1, c2;
+    register wxChar c1, c2;
     do {
-      c1 = tolower(*psz1++);
+      c1 = wxTolower(*psz1++);
-      c2 = tolower(*psz2++);
+      c2 = wxTolower(*psz2++);
     } while ( c1 && (c1 == c2) );
 
     return c1 - c2;