don't annoy the user by repeating the question which had been already answered (and...

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

diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index 52d8c1ac7483d8c71be085d832edaa6de86cfc72..f9e73aed8a35434b91f3e26ed5327a9179a97027 100644 (file)
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -24,9 +24,14 @@
   #pragma hdrstop
 #endif
 
   #pragma hdrstop
 #endif
 

+#define _ISOC9X_SOURCE 1 // to get vsscanf()
+#define _BSD_SOURCE    1 // to still get strdup()
+
+#include <stdio.h>

 #include <stdlib.h>
 #include <string.h>
 #include <locale.h>
 #include <stdlib.h>
 #include <string.h>
 #include <locale.h>

+#include <time.h>

 
 #ifndef WX_PRECOMP
   #include "wx/defs.h"
 
 #ifndef WX_PRECOMP
   #include "wx/defs.h"


@@ -35,9 +40,21 @@
   #include "wx/hash.h"
 #endif
 
   #include "wx/hash.h"
 #endif
 

-size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n)
+#if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
+#include <windef.h>
+#include <winbase.h>
+#include <winnls.h>
+#include <winnt.h>
+#endif
+
+#if wxUSE_WCHAR_T
+size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)

 {
   if (buf) {
 {
   if (buf) {

+    if (!n || !*psz) {
+      if (n) *buf = wxT('\0');
+      return 0;
+    }

     return mbstowcs(buf, psz, n);
   }
 
     return mbstowcs(buf, psz, n);
   }
 


@@ -46,16 +63,21 @@ size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 #if wxUSE_WCSRTOMBS
   // don't know if it's really needed (or if we can pass NULL), but better safe
   // than quick
 #if wxUSE_WCSRTOMBS
   // don't know if it's really needed (or if we can pass NULL), but better safe
   // than quick

-  mbstate_t mbstate;  
+  mbstate_t mbstate;

   return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
 #else  // !GNU libc
   return mbstowcs((wchar_t *) NULL, psz, 0);
 #endif // GNU
 }
 
   return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
 #else  // !GNU libc
   return mbstowcs((wchar_t *) NULL, psz, 0);
 #endif // GNU
 }
 

-size_t wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
+size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)

 {
   if (buf) {
 {
   if (buf) {

+    if (!n || !*pwz) {
+      // glibc2.1 chokes on null input
+      if (n) *buf = '\0';
+      return 0;
+    }

     return wcstombs(buf, pwz, n);
   }
 
     return wcstombs(buf, pwz, n);
   }
 


@@ -64,15 +86,68 @@ size_t wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
 #if wxUSE_WCSRTOMBS
   // don't know if it's really needed (or if we can pass NULL), but better safe
   // than quick
 #if wxUSE_WCSRTOMBS
   // don't know if it's really needed (or if we can pass NULL), but better safe
   // than quick

-  mbstate_t mbstate;  
+  mbstate_t mbstate;

   return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
 #else  // !GNU libc
   return wcstombs((char *) NULL, pwz, 0);
 #endif // GNU
 }
   return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
 #else  // !GNU libc
   return wcstombs((char *) NULL, pwz, 0);
 #endif // GNU
 }

+#endif
+
+bool WXDLLEXPORT wxOKlibc()
+{
+#if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__)
+  // glibc 2.0 uses UTF-8 even when it shouldn't
+  wchar_t res = 0;
+  if ((MB_CUR_MAX == 2) &&
+      (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
+      (res==0x765)) {
+    // this is UTF-8 allright, check whether that's what we want
+    char *cur_locale = setlocale(LC_CTYPE, NULL);
+    if ((strlen(cur_locale) < 4) ||
+       (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8"))) {
+      // nope, don't use libc conversion
+      return FALSE;
+    }
+  }
+#endif
+  return TRUE;
+}
+
+#ifndef HAVE_WCSLEN
+size_t   WXDLLEXPORT wcslen(const wchar_t *s)
+{
+  size_t len = 0;
+  while (s[len]) len++;
+  return len;
+}
+#endif
+
+#if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
+inline WORD wxMSW_ctype(wxChar ch)
+{
+  WORD ret;
+  GetStringTypeEx(LOCALE_USER_DEFAULT, CT_CTYPE1, &ch, 1, &ret);
+  return ret;
+}
+
+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 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); }
+WXDLLEXPORT int wxIsprint(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_SPACE|C1_PUNCT|C1_ALPHA); }
+WXDLLEXPORT int wxIspunct(wxChar ch) { return wxMSW_ctype(ch) & C1_PUNCT; }
+WXDLLEXPORT int wxIsspace(wxChar ch) { return wxMSW_ctype(ch) & C1_SPACE; }
+WXDLLEXPORT int wxIsupper(wxChar ch) { return IsCharUpper(ch); }
+WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_XDIGIT; }
+WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
+WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
+#endif

 
 #ifndef wxStrdup
 
 #ifndef wxStrdup

-wxChar * WXDLLEXPORT wxStrdup(const wxChar *psz)
+WXDLLEXPORT wxChar * wxStrdup(const wxChar *psz)

 {
   size_t size = (wxStrlen(psz) + 1) * sizeof(wxChar);
   wxChar *ret = (wxChar *) malloc(size);
 {
   size_t size = (wxStrlen(psz) + 1) * sizeof(wxChar);
   wxChar *ret = (wxChar *) malloc(size);


@@ -81,8 +156,20 @@ wxChar * WXDLLEXPORT wxStrdup(const wxChar *psz)
 }
 #endif
 
 }
 #endif
 

+#ifndef wxStricmp
+int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
+{
+  register wxChar c1, c2;
+  do {
+    c1 = wxTolower(*psz1++);
+    c2 = wxTolower(*psz2++);
+  } while ( c1 && (c1 == c2) );
+  return c1 - c2;
+}
+#endif
+

 #ifndef wxStrtok
 #ifndef wxStrtok

-wxChar * WXDLLEXPORT wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
+WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)

 {
   if (!psz) psz = *save_ptr;
   psz += wxStrspn(psz, delim);
 {
   if (!psz) psz = *save_ptr;
   psz += wxStrspn(psz, delim);


@@ -94,7 +181,7 @@ wxChar * WXDLLEXPORT wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_pt
   psz = wxStrpbrk(psz, delim);
   if (!psz) *save_ptr = (wxChar*)NULL;
   else {
   psz = wxStrpbrk(psz, delim);
   if (!psz) *save_ptr = (wxChar*)NULL;
   else {

-    *psz = _T('\0');
+    *psz = wxT('\0');

     *save_ptr = psz + 1;
   }
   return ret;
     *save_ptr = psz + 1;
   }
   return ret;


@@ -102,15 +189,181 @@ wxChar * WXDLLEXPORT wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_pt
 #endif
 
 #ifndef wxSetlocale
 #endif
 
 #ifndef wxSetlocale

-wxChar * WXDLLEXPORT wxSetlocale(int category, const wxChar *locale)
+WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
+{
+    char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
+
+    return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
+}
+#endif
+
+#ifdef wxNEED_WX_STRING_H
+WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
+{
+  wxChar *ret = dest;
+  while (*dest) dest++;
+  while ((*dest++ = *src++));
+  return ret;
+}
+
+WXDLLEXPORT wxChar * wxStrchr(const wxChar *s, wxChar c)
+{
+  while (*s && *s != c) s++;
+  return (*s) ? (wxChar *)s : (wxChar *)NULL;
+}
+
+WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2)
+{
+  while ((*s1 == *s2) && *s1) s1++, s2++;
+  if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
+  if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
+  return 0;
+}
+
+WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src)
+{
+  wxChar *ret = dest;
+  while ((*dest++ = *src++));
+  return ret;
+}
+
+WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n)
+{
+  wxChar *ret = dest;
+  while (*dest) dest++;
+  while (n && (*dest++ = *src++)) n--;
+  return ret;
+}
+
+WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n)
+{
+  while (n && (*s1 == *s2) && *s1) n--, s1++, s2++;
+  if (n) {
+    if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
+    if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
+  }
+  return 0;
+}
+
+WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n)

 {
 {

-  setlocale(category, wxConv_libc.cWX2MB(locale));
-  // FIXME
+  wxChar *ret = dest;
+  while (n && (*dest++ = *src++)) n--;
+  while (n) *dest++=0, n--; // the docs specify padding with zeroes
+  return ret;
+}
+
+WXDLLEXPORT wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
+{
+  while (*s && !wxStrchr(accept, *s)) s++;
+  return (*s) ? (wxChar *)s : (wxChar *)NULL;
+}
+
+WXDLLEXPORT wxChar * wxStrrchr(const wxChar *s, wxChar c)
+{
+  wxChar *ret = (wxChar *)NULL;
+  while (*s) {
+    if (*s == c) ret = (wxChar *)s;
+    s++;
+  }
+  return ret;
+}
+
+WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
+{
+  size_t len = 0;
+  while (wxStrchr(accept, *s++)) len++;
+  return len;
+}
+
+WXDLLEXPORT wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle)
+{
+  wxChar *fnd;
+  while ((fnd = wxStrchr(haystack, *needle))) {
+    if (!wxStrcmp(fnd, needle)) return fnd;
+    haystack = fnd + 1;
+  }

   return (wxChar *)NULL;
 }
   return (wxChar *)NULL;
 }

+
+WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
+{
+  const wxChar *start = nptr;
+
+  // FIXME: only correct for C locale
+  while (wxIsspace(*nptr)) nptr++;
+  if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
+  while (wxIsdigit(*nptr)) nptr++;
+  if (*nptr == wxT('.')) {
+    nptr++;
+    while (wxIsdigit(*nptr)) nptr++;
+  }
+  if (*nptr == wxT('E') || *nptr == wxT('e')) {
+    nptr++;
+    if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
+    while (wxIsdigit(*nptr)) nptr++;
+  }
+
+  wxString data(nptr, nptr-start);
+  wxWX2MBbuf dat = data.mb_str(wxConvLibc);
+  char *rdat = wxMBSTRINGCAST dat;
+  double ret = strtod(dat, &rdat);
+
+  if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
+
+  return ret;
+}
+
+WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
+{
+  const wxChar *start = nptr;
+
+  // FIXME: only correct for C locale
+  while (wxIsspace(*nptr)) nptr++;
+  if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
+  if (((base == 0) || (base == 16)) &&
+      (nptr[0] == wxT('0') && nptr[1] == wxT('x'))) {
+    nptr += 2;
+    base = 16;
+  }
+  else if ((base == 0) && (nptr[0] == wxT('0'))) base = 8;
+  else if (base == 0) base = 10;
+
+  while ((wxIsdigit(*nptr) && (*nptr - wxT('0') < base)) ||
+         (wxIsalpha(*nptr) && (wxToupper(*nptr) - wxT('A') + 10 < base))) nptr++;
+
+  wxString data(nptr, nptr-start);
+  wxWX2MBbuf dat = data.mb_str(wxConvLibc);
+  char *rdat = wxMBSTRINGCAST dat;
+  long int ret = strtol(dat, &rdat, base);
+
+  if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
+
+  return ret;
+}

 #endif
 
 #ifdef wxNEED_WX_STDIO_H
 #endif
 
 #ifdef wxNEED_WX_STDIO_H

+WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
+{
+  return fopen(wxConvFile.cWX2MB(path), wxConvLibc.cWX2MB(mode));
+}
+
+WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
+{
+  return freopen(wxConvFile.cWX2MB(path), wxConvLibc.cWX2MB(mode), stream);
+}
+
+WXDLLEXPORT int wxRemove(const wxChar *path)
+{
+  return remove(wxConvFile.cWX2MB(path));
+}
+
+WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
+{
+  return rename(wxConvFile.cWX2MB(oldpath), wxConvFile.cWX2MB(newpath));
+}
+

 int WXDLLEXPORT wxPrintf(const wxChar *fmt, ...)
 {
   va_list argptr;
 int WXDLLEXPORT wxPrintf(const wxChar *fmt, ...)
 {
   va_list argptr;


@@ -126,7 +379,26 @@ int WXDLLEXPORT wxVprintf(const wxChar *fmt, va_list argptr)
 {
   wxString str;
   str.PrintfV(fmt,argptr);
 {
   wxString str;
   str.PrintfV(fmt,argptr);

-  printf("%s",(const char*)str.mb_str());
+  printf("%s", (const char*)str.mb_str());
+  return str.Len();
+}
+
+int WXDLLEXPORT wxFprintf(FILE *stream, const wxChar *fmt, ...)
+{
+  va_list argptr;
+  int ret;
+
+  va_start(argptr, fmt);
+  ret = wxVfprintf(stream, fmt, argptr);
+  va_end(argptr);
+  return ret;
+}
+
+int WXDLLEXPORT wxVfprintf(FILE *stream, const wxChar *fmt, va_list argptr)
+{
+  wxString str;
+  str.PrintfV(fmt,argptr);
+  fprintf(stream, "%s", (const char*)str.mb_str());

   return str.Len();
 }
 
   return str.Len();
 }
 


@@ -150,24 +422,44 @@ int WXDLLEXPORT wxVsprintf(wxChar *buf, const wxChar *fmt, va_list argptr)
   wxStrcpy(buf,str.c_str());
   return str.Len();
 }
   wxStrcpy(buf,str.c_str());
   return str.Len();
 }

+
+int WXDLLEXPORT wxSscanf(const wxChar *buf, const wxChar *fmt, ...)
+{
+  va_list argptr;
+  int ret;
+
+  va_start(argptr, fmt);
+  ret = wxVsscanf(buf, fmt, argptr);
+  va_end(argptr);
+  return ret;
+}
+
+int WXDLLEXPORT wxVsscanf(const wxChar *buf, const wxChar *fmt, va_list argptr)
+{
+  int ret;
+  // this will work only for numeric conversion! Strings will not be converted correctly
+  // hopefully this is all we'll need
+  ret = vsscanf(wxConvLibc.cWX2MB(buf), wxConvLibc.cWX2MB(fmt), argptr);
+  return ret;
+}

 #endif
 
 #ifndef wxAtof
 double   WXDLLEXPORT wxAtof(const wxChar *psz)
 {
 #endif
 
 #ifndef wxAtof
 double   WXDLLEXPORT wxAtof(const wxChar *psz)
 {

-  return atof(wxConv_libc.cWX2MB(psz));
+  return atof(wxConvLibc.cWX2MB(psz));

 }
 #endif
 
 #ifdef wxNEED_WX_STDLIB_H
 int      WXDLLEXPORT wxAtoi(const wxChar *psz)
 {
 }
 #endif
 
 #ifdef wxNEED_WX_STDLIB_H
 int      WXDLLEXPORT wxAtoi(const wxChar *psz)
 {

-  return atoi(wxConv_libc.cWX2MB(psz));
+  return atoi(wxConvLibc.cWX2MB(psz));

 }
 
 long     WXDLLEXPORT wxAtol(const wxChar *psz)
 {
 }
 
 long     WXDLLEXPORT wxAtol(const wxChar *psz)
 {

-  return atol(wxConv_libc.cWX2MB(psz));
+  return atol(wxConvLibc.cWX2MB(psz));

 }
 
 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
 }
 
 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)


@@ -177,7 +469,7 @@ wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
   wxObject *data = env.Get(name);
   if (!data) {
     // nope, retrieve it,
   wxObject *data = env.Get(name);
   if (!data) {
     // nope, retrieve it,

-    const char *val = getenv(wxConv_libc.cWX2MB(name));
+    const char *val = getenv(wxConvLibc.cWX2MB(name));

     if (!val) return (wxChar *)NULL;
     // convert it,
     data = (wxObject *)new wxString(val);
     if (!val) return (wxChar *)NULL;
     // convert it,
     data = (wxObject *)new wxString(val);


@@ -190,7 +482,25 @@ wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
 
 int      WXDLLEXPORT wxSystem(const wxChar *psz)
 {
 
 int      WXDLLEXPORT wxSystem(const wxChar *psz)
 {

-  return system(wxConv_libc.cWX2MB(psz));
+  return system(wxConvLibc.cWX2MB(psz));

 }
 
 #endif
 }
 
 #endif

+
+#ifdef wxNEED_WX_TIME_H
+WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm)
+{
+  if (!max) return 0;
+  char *buf = (char *)malloc(max);
+  size_t ret = strftime(buf, max, wxConvLibc.cWX2MB(fmt), tm);
+  if (ret) {
+    wxStrcpy(s, wxConvLibc.cMB2WX(buf));
+    free(buf);
+    return wxStrlen(s);
+  } else {
+    free(buf);
+    *s = 0;
+    return 0;
+  }
+}
+#endif