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wxWidgets/src/common/wxchar.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: wxchar.cpp
// Purpose: wxChar implementation
// Author: Ove Kåven
// Modified by: Ron Lee
// Created: 09/04/99
// RCS-ID: $Id$
// Copyright: (c) wxWidgets copyright
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "wxchar.h"
#endif
// ===========================================================================
// headers, declarations, constants
// ===========================================================================
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#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>
#ifndef __WXWINCE__
#include <time.h>
#include <locale.h>
#else
#include "wx/msw/wince/time.h"
#endif
#ifndef WX_PRECOMP
#include "wx/defs.h"
#include "wx/wxchar.h"
#include "wx/string.h"
#include "wx/hash.h"
#endif
#if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <winnt.h>
#endif
#if defined(__MWERKS__) && __MSL__ >= 0x6000
namespace std {}
using namespace std ;
#endif
#ifdef __WXMAC__
#include "wx/mac/private.h"
#endif
#if wxUSE_WCHAR_T
size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
{
// assume that we have mbsrtowcs() too if we have wcsrtombs()
#if HAVE_WCSRTOMBS
mbstate_t mbstate;
memset(&mbstate, 0, sizeof(mbstate_t));
#endif
if (buf) {
if (!n || !*psz) {
if (n) *buf = wxT('\0');
return 0;
}
#ifdef HAVE_WCSRTOMBS
return mbsrtowcs(buf, &psz, n, &mbstate);
#else
return mbstowcs(buf, psz, n);
#endif
}
#ifdef HAVE_WCSRTOMBS
return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
#else
return mbstowcs((wchar_t *) NULL, psz, 0);
#endif
}
size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
{
#if HAVE_WCSRTOMBS
mbstate_t mbstate;
memset(&mbstate, 0, sizeof(mbstate_t));
#endif
if (buf) {
if (!n || !*pwz) {
// glibc2.1 chokes on null input
if (n) *buf = '\0';
return 0;
}
#if HAVE_WCSRTOMBS
return wcsrtombs(buf, &pwz, n, &mbstate);
#else
return wcstombs(buf, pwz, n);
#endif
}
#if HAVE_WCSRTOMBS
return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
#else
return wcstombs((char *) NULL, pwz, 0);
#endif
}
#endif // wxUSE_WCHAR_T
bool WXDLLEXPORT wxOKlibc()
{
#if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__) && !defined(__WINE__)
// 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")) ||
(strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
// nope, don't use libc conversion
return false;
}
}
#endif
return true;
}
// ============================================================================
// printf() functions business
// ============================================================================
// special test mode: define all functions below even if we don't really need
// them to be able to test them
#ifdef wxTEST_PRINTF
#undef wxFprintf
#undef wxPrintf
#undef wxSprintf
#undef wxVfprintf
#undef wxVsprintf
#undef wxVprintf
#undef wxVsnprintf_
#undef wxSnprintf_
#define wxNEED_WPRINTF
int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr );
#endif
// ----------------------------------------------------------------------------
// implement [v]snprintf() if the system doesn't provide a safe one
// ----------------------------------------------------------------------------
#if !defined(wxVsnprintf_)
int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
const wxChar *format, va_list argptr)
{
// buffer to avoid dynamic memory allocation each time for small strings
char szScratch[1024];
// number of characters in the buffer so far, must be less than lenMax
size_t lenCur = 0;
for ( size_t n = 0; ; n++ )
{
const wxChar chCur = format[n];
if ( chCur == wxT('%') )
{
static char s_szFlags[256] = "%";
size_t flagofs = 1;
bool adj_left = false,
in_prec = false,
prec_dot = false,
done = false;
int ilen = 0;
size_t min_width = 0,
max_width = wxSTRING_MAXLEN;
do
{
#define CHECK_PREC \
if (in_prec && !prec_dot) \
{ \
s_szFlags[flagofs++] = '.'; \
prec_dot = true; \
}
#define APPEND_CH(ch) \
{ \
if ( lenCur == lenMax ) \
return -1; \
\
buf[lenCur++] = ch; \
}
#define APPEND_STR(s) \
{ \
for ( const wxChar *p = s; *p; p++ ) \
{ \
APPEND_CH(*p); \
} \
}
// what follows '%'?
const wxChar ch = format[++n];
switch ( ch )
{
case wxT('\0'):
APPEND_CH(_T('\0'));
done = true;
break;
case wxT('%'):
APPEND_CH(_T('%'));
done = true;
break;
case wxT('#'):
case wxT('0'):
case wxT(' '):
case wxT('+'):
case wxT('\''):
CHECK_PREC
s_szFlags[flagofs++] = ch;
break;
case wxT('-'):
CHECK_PREC
adj_left = true;
s_szFlags[flagofs++] = ch;
break;
case wxT('.'):
CHECK_PREC
in_prec = true;
prec_dot = false;
max_width = 0;
// dot will be auto-added to s_szFlags if non-negative
// number follows
break;
case wxT('h'):
ilen = -1;
CHECK_PREC
s_szFlags[flagofs++] = ch;
break;
case wxT('l'):
ilen = 1;
CHECK_PREC
s_szFlags[flagofs++] = ch;
break;
case wxT('q'):
case wxT('L'):
ilen = 2;
CHECK_PREC
s_szFlags[flagofs++] = ch;
break;
case wxT('Z'):
ilen = 3;
CHECK_PREC
s_szFlags[flagofs++] = ch;
break;
case wxT('*'):
{
int len = va_arg(argptr, int);
if (in_prec)
{
if (len<0) break;
CHECK_PREC
max_width = len;
}
else
{
if (len<0)
{
adj_left = !adj_left;
s_szFlags[flagofs++] = '-';
len = -len;
}
min_width = len;
}
flagofs += ::sprintf(s_szFlags+flagofs,"%d",len);
}
break;
case wxT('1'): case wxT('2'): case wxT('3'):
case wxT('4'): case wxT('5'): case wxT('6'):
case wxT('7'): case wxT('8'): case wxT('9'):
{
int len = 0;
CHECK_PREC
while ( (format[n] >= wxT('0')) &&
(format[n] <= wxT('9')) )
{
s_szFlags[flagofs++] = format[n];
len = len*10 + (format[n] - wxT('0'));
n++;
}
if (in_prec)
max_width = len;
else
min_width = len;
n--; // the main loop pre-increments n again
}
break;
case wxT('d'):
case wxT('i'):
case wxT('o'):
case wxT('u'):
case wxT('x'):
case wxT('X'):
CHECK_PREC
s_szFlags[flagofs++] = ch;
s_szFlags[flagofs] = '\0';
if (ilen == 0 )
{
int val = va_arg(argptr, int);
::sprintf(szScratch, s_szFlags, val);
}
else if (ilen == -1)
{
// NB: 'short int' value passed through '...'
// is promoted to 'int', so we have to get
// an int from stack even if we need a short
short int val = (short int) va_arg(argptr, int);
::sprintf(szScratch, s_szFlags, val);
}
else if (ilen == 1)
{
long int val = va_arg(argptr, long int);
::sprintf(szScratch, s_szFlags, val);
}
else if (ilen == 2)
{
#if SIZEOF_LONG_LONG
long long int val = va_arg(argptr, long long int);
::sprintf(szScratch, s_szFlags, val);
#else // !long long
long int val = va_arg(argptr, long int);
::sprintf(szScratch, s_szFlags, val);
#endif // long long/!long long
}
else if (ilen == 3)
{
size_t val = va_arg(argptr, size_t);
::sprintf(szScratch, s_szFlags, val);
}
{
const wxMB2WXbuf tmp =
wxConvLibc.cMB2WX(szScratch);
APPEND_STR(tmp);
}
done = true;
break;
case wxT('e'):
case wxT('E'):
case wxT('f'):
case wxT('g'):
case wxT('G'):
CHECK_PREC
s_szFlags[flagofs++] = ch;
s_szFlags[flagofs] = '\0';
if (ilen == 2)
{
long double val = va_arg(argptr, long double);
::sprintf(szScratch, s_szFlags, val);
}
else
{
double val = va_arg(argptr, double);
::sprintf(szScratch, s_szFlags, val);
}
{
const wxMB2WXbuf tmp =
wxConvLibc.cMB2WX(szScratch);
APPEND_STR(tmp);
}
done = true;
break;
case wxT('p'):
{
void *val = va_arg(argptr, void *);
CHECK_PREC
s_szFlags[flagofs++] = ch;
s_szFlags[flagofs] = '\0';
::sprintf(szScratch, s_szFlags, val);
const wxMB2WXbuf tmp =
wxConvLibc.cMB2WX(szScratch);
APPEND_STR(tmp);
done = true;
}
break;
case wxT('c'):
{
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);
if (adj_left)
for (i = 1; i < min_width; i++)
APPEND_CH(_T(' '));
done = true;
}
break;
case wxT('s'):
{
const wxChar *val = NULL;
#if wxUSE_UNICODE
wxString s;
if (ilen == -1)
{
// 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
#endif
{
val = va_arg(argptr, wxChar *);
}
size_t len = 0;
if (val)
{
for ( len = 0;
val[len] && (len < max_width);
len++ )
;
}
else if (max_width >= 6)
{
val = wxT("(null)");
len = 6;
}
else
{
val = wxEmptyString;
len = 0;
}
size_t i;
if (!adj_left)
for (i = len; i < min_width; i++)
APPEND_CH(_T(' '));
for (i = 0; i < len; i++)
APPEND_CH(val[i]);
if (adj_left)
for (i = len; i < min_width; i++)
APPEND_CH(_T(' '));
done = true;
}
break;
case wxT('n'):
if (ilen == 0)
{
int *val = va_arg(argptr, int *);
*val = lenCur;
}
else if (ilen == -1)
{
short int *val = va_arg(argptr, short int *);
*val = lenCur;
}
else if (ilen >= 1)
{
long int *val = va_arg(argptr, long int *);
*val = lenCur;
}
done = true;
break;
default:
// bad format, leave unchanged
APPEND_CH(_T('%'));
APPEND_CH(ch);
done = true;
break;
}
}
while (!done);
}
else
{
APPEND_CH(chCur);
}
// terminating NUL?
if ( !chCur )
break;
}
return lenCur;
}
#undef APPEND_CH
#undef APPEND_STR
#undef CHECK_PREC
#endif // !wxVsnprintfA
#if !defined(wxSnprintf_)
int WXDLLEXPORT wxSnprintf_(wxChar *buf, size_t len, const wxChar *format, ...)
{
va_list argptr;
va_start(argptr, format);
int iLen = wxVsnprintf_(buf, len, format, argptr);
va_end(argptr);
return iLen;
}
#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_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_PUTS
int wxPuts(const wxChar *ws)
{
int rc = wxFputs(ws, stdout);
if ( rc != -1 )
{
if ( wxFputs(L"\n", stdout) == -1 )
return -1;
rc++;
}
return rc;
}
#endif // wxNEED_PUTS
#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_PUTC
// NB: we only implement va_list functions here, the ones taking ... are
// defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse
// the definitions there to avoid duplicating them here
#ifdef wxNEED_WPRINTF
// TODO: implement the scanf() functions
int vwscanf(const wxChar *format, va_list argptr)
{
wxFAIL_MSG( _T("TODO") );
return -1;
}
int vswscanf(const wxChar *ws, const wxChar *format, va_list argptr)
{
// The best we can do without proper Unicode support in glibc is to
// convert the strings into MB representation and run ANSI version
// of the function. This doesn't work with %c and %s because of difference
// in size of char and wchar_t, though.
wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
_T("incomplete vswscanf implementation doesn't allow %s") );
wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
_T("incomplete vswscanf implementation doesn't allow %c") );
va_list argcopy;
wxVaCopy(argcopy, argptr);
return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argcopy);
}
int vfwscanf(FILE *stream, const wxChar *format, va_list argptr)
{
wxFAIL_MSG( _T("TODO") );
return -1;
}
#define vswprintf wxVsnprintf_
int vfwprintf(FILE *stream, const wxChar *format, va_list argptr)
{
wxString s;
int rc = s.PrintfV(format, argptr);
if ( rc != -1 )
{
// we can't do much better without Unicode support in libc...
if ( fprintf(stream, "%s", (const char*)s.mb_str() ) == -1 )
return -1;
}
return rc;
}
int vwprintf(const wxChar *format, va_list argptr)
{
return wxVfprintf(stdout, format, argptr);
}
#endif // wxNEED_WPRINTF
#ifdef wxNEED_PRINTF_CONVERSION
// ----------------------------------------------------------------------------
// wxFormatConverter: class doing the "%s" -> "%ls" conversion
// ----------------------------------------------------------------------------
/*
Here are the gory details. We want to follow the Windows/MS conventions,
that is to have
In ANSI mode:
format specifier results in
-----------------------------------
%c, %hc, %hC char
%lc, %C, %lC wchar_t
In Unicode mode:
format specifier results in
-----------------------------------
%hc, %C, %hC char
%c, %lc, %lC wchar_t
while on POSIX systems we have %C identical to %lc and %c always means char
(in any mode) while %lc always means wchar_t,
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):
wxWidgets specifier POSIX specifier
----------------------------------------
%hc, %C, %hC %c
%c %lc
And, of course, the same should be done for %s as well.
*/
class wxFormatConverter
{
public:
wxFormatConverter(const wxChar *format);
// notice that we only translated the string if m_fmtOrig == NULL (as set
// by CopyAllBefore()), otherwise we should simply use the original format
operator const wxChar *() const
{ return m_fmtOrig ? m_fmtOrig : m_fmt.c_str(); }
private:
// copy another character to the translated format: this function does the
// copy if we are translating but doesn't do anything at all if we don't,
// so we don't create the translated format string at all unless we really
// need to (i.e. InsertFmtChar() is called)
wxChar CopyFmtChar(wxChar ch)
{
if ( !m_fmtOrig )
{
// we're translating, do copy
m_fmt += ch;
}
else
{
// simply increase the count which should be copied by
// CopyAllBefore() later if needed
m_nCopied++;
}
return ch;
}
// insert an extra character
void InsertFmtChar(wxChar ch)
{
if ( m_fmtOrig )
{
// so far we haven't translated anything yet
CopyAllBefore();
}
m_fmt += ch;
}
void CopyAllBefore()
{
wxASSERT_MSG( m_fmtOrig && m_fmt.empty(), _T("logic error") );
m_fmt = wxString(m_fmtOrig, m_nCopied);
// we won't need it any longer
m_fmtOrig = NULL;
}
static bool IsFlagChar(wxChar ch)
{
return ch == _T('-') || ch == _T('+') ||
ch == _T('0') || ch == _T(' ') || ch == _T('#');
}
void SkipDigits(const wxChar **ptpc)
{
while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
CopyFmtChar(*(*ptpc)++);
}
// the translated format
wxString m_fmt;
// the original format
const wxChar *m_fmtOrig;
// the number of characters already copied
size_t m_nCopied;
};
wxFormatConverter::wxFormatConverter(const wxChar *format)
{
m_fmtOrig = format;
m_nCopied = 0;
while ( *format )
{
if ( CopyFmtChar(*format++) == _T('%') )
{
// skip any flags
while ( IsFlagChar(*format) )
CopyFmtChar(*format++);
// and possible width
if ( *format == _T('*') )
CopyFmtChar(*format++);
else
SkipDigits(&format);
// precision?
if ( *format == _T('.') )
{
CopyFmtChar(*format++);
if ( *format == _T('*') )
CopyFmtChar(*format++);
else
SkipDigits(&format);
}
// next we can have a size modifier
enum
{
Default,
Short,
Long
} size;
switch ( *format )
{
case _T('h'):
size = Short;
format++;
break;
case _T('l'):
// "ll" has a different meaning!
if ( format[1] != _T('l') )
{
size = Long;
format++;
break;
}
//else: fall through
default:
size = Default;
}
// and finally we should have the type
switch ( *format )
{
case _T('C'):
case _T('S'):
// %C and %hC -> %c and %lC -> %lc
if ( size == Long )
CopyFmtChar(_T('l'));
InsertFmtChar(*format++ == _T('C') ? _T('c') : _T('s'));
break;
case _T('c'):
case _T('s'):
// %c -> %lc but %hc stays %hc and %lc is still %lc
if ( size == Default)
InsertFmtChar(_T('l'));
// fall through
default:
// nothing special to do
if ( size != Default )
CopyFmtChar(*(format - 1));
CopyFmtChar(*format++);
}
}
}
}
#else // !wxNEED_PRINTF_CONVERSION
// no conversion necessary
#define wxFormatConverter(x) (x)
#endif // wxNEED_PRINTF_CONVERSION/!wxNEED_PRINTF_CONVERSION
#ifdef __WXDEBUG__
// For testing the format converter
wxString wxConvertFormat(const wxChar *format)
{
return wxString(wxFormatConverter(format));
}
#endif
// ----------------------------------------------------------------------------
// wxPrintf(), wxScanf() and relatives
// ----------------------------------------------------------------------------
#if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
int wxScanf( const wxChar *format, ... )
{
va_list argptr;
va_start(argptr, format);
int ret = vwscanf(wxFormatConverter(format), argptr );
va_end(argptr);
return ret;
}
int wxSscanf( const wxChar *str, const wxChar *format, ... )
{
va_list argptr;
va_start(argptr, format);
int ret = vswscanf( str, wxFormatConverter(format), argptr );
va_end(argptr);
return ret;
}
int wxFscanf( FILE *stream, const wxChar *format, ... )
{
va_list argptr;
va_start(argptr, format);
int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
va_end(argptr);
return ret;
}
int wxPrintf( const wxChar *format, ... )
{
va_list argptr;
va_start(argptr, format);
int ret = vwprintf( wxFormatConverter(format), argptr );
va_end(argptr);
return ret;
}
#ifndef wxSnprintf
int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... )
{
va_list argptr;
va_start(argptr, format);
int ret = vswprintf( str, size, wxFormatConverter(format), argptr );
va_end(argptr);
return ret;
}
#endif // wxSnprintf
int wxSprintf( wxChar *str, const wxChar *format, ... )
{
va_list argptr;
va_start(argptr, format);
// 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 s.length();
}
int wxFprintf( FILE *stream, const wxChar *format, ... )
{
va_list argptr;
va_start( argptr, format );
int ret = vfwprintf( stream, wxFormatConverter(format), argptr );
va_end(argptr);
return ret;
}
int wxVsscanf( const wxChar *str, const wxChar *format, va_list argptr )
{
return vswscanf( str, wxFormatConverter(format), argptr );
}
int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr )
{
return vfwprintf( stream, wxFormatConverter(format), argptr );
}
int wxVprintf( const wxChar *format, va_list argptr )
{
return vwprintf( wxFormatConverter(format), argptr );
}
#ifndef wxVsnprintf
int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list argptr )
{
return vswprintf( str, size, wxFormatConverter(format), argptr );
}
#endif // wxVsnprintf
int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
{
// same as for wxSprintf()
return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
}
#endif // wxNEED_PRINTF_CONVERSION
#if wxUSE_WCHAR_T
// ----------------------------------------------------------------------------
// ctype.h stuff (currently unused)
// ----------------------------------------------------------------------------
#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 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); }
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
#if defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
WXDLLEXPORT size_t wxInternalMbstowcs (wchar_t * out, const char * in, size_t outlen)
{
if (!out)
{
size_t outsize = 0;
while(*in++)
outsize++;
return outsize;
}
const char* origin = in;
while (outlen-- && *in)
{
*out++ = (wchar_t) *in++;
}
*out = '\0';
return in - origin;
}
WXDLLEXPORT size_t wxInternalWcstombs (char * out, const wchar_t * in, size_t outlen)
{
if (!out)
{
size_t outsize = 0;
while(*in++)
outsize++;
return outsize;
}
const wchar_t* origin = in;
while (outlen-- && *in)
{
*out++ = (char) *in++;
}
*out = '\0';
return in - origin;
}
#if defined(wxNEED_WX_CTYPE_H)
#include <CoreFoundation/CoreFoundation.h>
#define cfalnumset CFCharacterSetGetPredefined(kCFCharacterSetAlphaNumeric)
#define cfalphaset CFCharacterSetGetPredefined(kCFCharacterSetLetter)
#define cfcntrlset CFCharacterSetGetPredefined(kCFCharacterSetControl)
#define cfdigitset CFCharacterSetGetPredefined(kCFCharacterSetDecimalDigit)
//CFCharacterSetRef cfgraphset = kCFCharacterSetControl && !' '
#define cflowerset CFCharacterSetGetPredefined(kCFCharacterSetLowercaseLetter)
//CFCharacterSetRef cfprintset = !kCFCharacterSetControl
#define cfpunctset CFCharacterSetGetPredefined(kCFCharacterSetPunctuation)
#define cfspaceset CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline)
#define cfupperset CFCharacterSetGetPredefined(kCFCharacterSetUppercaseLetter)
WXDLLEXPORT int wxIsalnum(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalnumset, ch); }
WXDLLEXPORT int wxIsalpha(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalphaset, ch); }
WXDLLEXPORT int wxIscntrl(wxChar ch) { return CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
WXDLLEXPORT int wxIsdigit(wxChar ch) { return CFCharacterSetIsCharacterMember(cfdigitset, ch); }
WXDLLEXPORT int wxIsgraph(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch) && ch != ' '; }
WXDLLEXPORT int wxIslower(wxChar ch) { return CFCharacterSetIsCharacterMember(cflowerset, ch); }
WXDLLEXPORT int wxIsprint(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
WXDLLEXPORT int wxIspunct(wxChar ch) { return CFCharacterSetIsCharacterMember(cfpunctset, ch); }
WXDLLEXPORT int wxIsspace(wxChar ch) { return CFCharacterSetIsCharacterMember(cfspaceset, ch); }
WXDLLEXPORT int wxIsupper(wxChar ch) { return CFCharacterSetIsCharacterMember(cfupperset, ch); }
WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxIsdigit(ch) || (ch>='a' && ch<='f') || (ch>='A' && ch<='F'); }
WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)tolower((char)(ch)); }
WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)toupper((char)(ch)); }
#endif // wxNEED_WX_CTYPE_H
#endif // defined(__DARWIN__) and OSX <= 10.2
#ifndef wxStrdupA
WXDLLEXPORT char *wxStrdupA(const char *s)
{
return strcpy((char *)malloc(strlen(s) + 1), s);
}
#endif // wxStrdupA
#ifndef wxStrdupW
WXDLLEXPORT wchar_t * wxStrdupW(const wchar_t *pwz)
{
size_t size = (wxWcslen(pwz) + 1) * sizeof(wchar_t);
wchar_t *ret = (wchar_t *) malloc(size);
memcpy(ret, pwz, size);
return ret;
}
#endif // wxStrdupW
#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 wxStricmp
int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
{
// initialize the variables just to suppress stupid gcc warning
register wxChar c1 = 0, c2 = 0;
while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++;
if (n) {
if (c1 < c2) return -1;
if (c1 > c2) return 1;
}
return 0;
}
#endif
#ifndef wxSetlocale
WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
{
char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
}
#endif
#if wxUSE_WCHAR_T && !defined(HAVE_WCSLEN)
WXDLLEXPORT size_t wxWcslen(const wchar_t *s)
{
size_t n = 0;
while ( *s++ )
n++;
return n;
}
#endif
// ----------------------------------------------------------------------------
// string.h functions
// ----------------------------------------------------------------------------
#ifdef wxNEED_WX_STRING_H
// RN: These need to be c externed for the regex lib
#ifdef __cplusplus
extern "C" {
#endif
WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
{
wxChar *ret = dest;
while (*dest) dest++;
while ((*dest++ = *src++));
return ret;
}
WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c)
{
// be careful here as the terminating NUL makes part of the string
while ( *s != c )
{
if ( !*s++ )
return NULL;
}
return s;
}
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 size_t wxStrlen_(const wxChar *s)
{
size_t n = 0;
while ( *s++ )
n++;
return n;
}
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)
{
wxChar *ret = dest;
while (n && (*dest++ = *src++)) n--;
while (n) *dest++=0, n--; // the docs specify padding with zeroes
return ret;
}
WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
{
while (*s && !wxStrchr(accept, *s))
s++;
return *s ? s : NULL;
}
WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c)
{
const wxChar *ret = NULL;
do
{
if ( *s == c )
ret = s;
s++;
}
while ( *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 const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
{
wxASSERT_MSG( needle != NULL, _T("NULL argument in wxStrstr") );
// VZ: this is not exactly the most efficient string search algorithm...
const size_t len = wxStrlen(needle);
while ( const wxChar *fnd = wxStrchr(haystack, *needle) )
{
if ( !wxStrncmp(fnd, needle, len) )
return fnd;
haystack = fnd + 1;
}
return NULL;
}
#ifdef __cplusplus
}
#endif
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(start, 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;
}
WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base)
{
return (unsigned long int) wxStrtol(nptr, endptr, base);
}
#endif // wxNEED_WX_STRING_H
#ifdef wxNEED_WX_STDIO_H
WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
{
char mode_buffer[10];
for (size_t i = 0; i < wxStrlen(mode)+1; i++)
mode_buffer[i] = (char) mode[i];
return fopen( wxConvFile.cWX2MB(path), mode_buffer );
}
WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
{
char mode_buffer[10];
for (size_t i = 0; i < wxStrlen(mode)+1; i++)
mode_buffer[i] = (char) mode[i];
return freopen( wxConvFile.cWX2MB(path), mode_buffer, 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) );
}
#endif
#ifndef wxAtof
double WXDLLEXPORT wxAtof(const wxChar *psz)
{
#ifdef __WXWINCE__
double d;
wxString str(psz);
if (str.ToDouble(& d))
return d;
else
return 0.0;
#else
return atof(wxConvLibc.cWX2MB(psz));
#endif
}
#endif
#ifdef wxNEED_WX_STDLIB_H
int WXDLLEXPORT wxAtoi(const wxChar *psz)
{
return atoi(wxConvLibc.cWX2MB(psz));
}
long WXDLLEXPORT wxAtol(const wxChar *psz)
{
return atol(wxConvLibc.cWX2MB(psz));
}
wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
{
#if wxUSE_UNICODE
// 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 = wxConvLibc.cMB2WX(getenv(wxConvLibc.cWX2MB(name)));
return value.data();
#else
return getenv(name);
#endif
}
int WXDLLEXPORT wxSystem(const wxChar *psz)
{
return system(wxConvLibc.cWX2MB(psz));
}
#endif // wxNEED_WX_STDLIB_H
#ifdef wxNEED_WX_TIME_H
WXDLLEXPORT size_t
wxStrftime(wxChar *s, size_t maxsize, const wxChar *fmt, const struct tm *tm)
{
if ( !maxsize )
return 0;
wxCharBuffer buf(maxsize);
wxCharBuffer bufFmt(wxConvLibc.cWX2MB(fmt));
if ( !bufFmt )
return 0;
size_t ret = strftime(buf.data(), maxsize, bufFmt, tm);
if ( !ret )
return 0;
wxWCharBuffer wbuf = wxConvLibc.cMB2WX(buf);
if ( !wbuf )
return 0;
wxStrncpy(s, wbuf, maxsize);
return wxStrlen(s);
}
#endif // wxNEED_WX_TIME_H
#ifndef wxCtime
WXDLLEXPORT wxChar *wxCtime(const time_t *timep)
{
// normally the string is 26 chars but give one more in case some broken
// DOS compiler decides to use "\r\n" instead of "\n" at the end
static wxChar buf[27];
// ctime() is guaranteed to return a string containing only ASCII
// characters, as its format is always the same for any locale
wxStrncpy(buf, wxString::FromAscii(ctime(timep)), WXSIZEOF(buf));
buf[WXSIZEOF(buf) - 1] = _T('\0');
return buf;
}
#endif // wxCtime
#endif // wxUSE_WCHAR_T
// ----------------------------------------------------------------------------
// functions which we may need even if !wxUSE_WCHAR_T
// ----------------------------------------------------------------------------
#ifndef wxStrtok
WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
{
if (!psz)
{
psz = *save_ptr;
if ( !psz )
return NULL;
}
psz += wxStrspn(psz, delim);
if (!*psz)
{
*save_ptr = (wxChar *)NULL;
return (wxChar *)NULL;
}
wxChar *ret = psz;
psz = wxStrpbrk(psz, delim);
if (!psz)
{
*save_ptr = (wxChar*)NULL;
}
else
{
*psz = wxT('\0');
*save_ptr = psz + 1;
}
return ret;
}
#endif // wxStrtok
// ----------------------------------------------------------------------------
// missing C RTL functions
// ----------------------------------------------------------------------------
#if wxNEED_STRDUP
char *strdup(const char *s)
{
char *dest = (char*) malloc( strlen( s ) + 1 ) ;
if ( dest )
strcpy( dest , s ) ;
return dest ;
}
#endif // wxNEED_STRDUP
#if defined(__WXWINCE__) && (_WIN32_WCE <= 211)
void *calloc( size_t num, size_t size )
{
void** ptr = (void **)malloc(num * size);
memset( ptr, 0, num * size);
return ptr;
}
#endif // __WXWINCE__ <= 211
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