a59c124d06
Unicode with their GNU libc 2.2 funtions. This
saves us some unicode<->ansi conversion and we
no longer need the experimental printf() code
in string.cpp. I had to implement wxSprintf()
using wxSnprintf() as the former doesn't exist
in Unicode GNU libc 2.2.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16442 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
474 lines
11 KiB
C++
474 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wxchar.cpp
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// Purpose: wxChar implementation
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// Author: Ove Kåven
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// Modified by:
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// Created: 09/04/99
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows copyright
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "wxchar.h"
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#endif
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// ===========================================================================
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// headers, declarations, constants
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// ===========================================================================
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#define _ISOC9X_SOURCE 1 // to get vsscanf()
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#define _BSD_SOURCE 1 // to still get strdup()
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <locale.h>
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#include <time.h>
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#ifndef WX_PRECOMP
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#include "wx/defs.h"
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#include "wx/wxchar.h"
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#include "wx/string.h"
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#include "wx/hash.h"
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#endif
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#include "wx/msgdlg.h"
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#if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
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#include <windef.h>
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#include <winbase.h>
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#include <winnls.h>
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#include <winnt.h>
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#endif
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#if wxUSE_WCHAR_T
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size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
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{
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if (buf) {
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if (!n || !*psz) {
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if (n) *buf = wxT('\0');
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return 0;
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}
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return mbstowcs(buf, psz, n);
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}
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// assume that we have mbsrtowcs() too if we have wcsrtombs()
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#ifdef HAVE_WCSRTOMBS
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mbstate_t mbstate;
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return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
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#else // !GNU libc
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return mbstowcs((wchar_t *) NULL, psz, 0);
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#endif // GNU
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}
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size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
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{
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if (buf) {
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if (!n || !*pwz) {
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// glibc2.1 chokes on null input
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if (n) *buf = '\0';
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return 0;
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}
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return wcstombs(buf, pwz, n);
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}
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#if HAVE_WCSRTOMBS
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mbstate_t mbstate;
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return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
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#else // !GNU libc
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return wcstombs((char *) NULL, pwz, 0);
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#endif // GNU
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}
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#endif // wxUSE_WCHAR_T
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bool WXDLLEXPORT wxOKlibc()
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{
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#if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__)
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// glibc 2.0 uses UTF-8 even when it shouldn't
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wchar_t res = 0;
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if ((MB_CUR_MAX == 2) &&
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(wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
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(res==0x765)) {
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// this is UTF-8 allright, check whether that's what we want
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char *cur_locale = setlocale(LC_CTYPE, NULL);
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if ((strlen(cur_locale) < 4) ||
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(strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
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(strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
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// nope, don't use libc conversion
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return FALSE;
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}
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}
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#endif
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return TRUE;
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}
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#ifndef HAVE_WCSLEN
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size_t WXDLLEXPORT wcslen(const wchar_t *s)
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{
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size_t len = 0;
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while (s[len]) len++;
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return len;
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}
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#endif
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#if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
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inline WORD wxMSW_ctype(wxChar ch)
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{
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WORD ret;
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GetStringTypeEx(LOCALE_USER_DEFAULT, CT_CTYPE1, &ch, 1, &ret);
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return ret;
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}
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WXDLLEXPORT int wxIsalnum(wxChar ch) { return IsCharAlphaNumeric(ch); }
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WXDLLEXPORT int wxIsalpha(wxChar ch) { return IsCharAlpha(ch); }
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WXDLLEXPORT int wxIsctrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
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WXDLLEXPORT int wxIsdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_DIGIT; }
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WXDLLEXPORT int wxIsgraph(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_PUNCT|C1_ALPHA); }
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WXDLLEXPORT int wxIslower(wxChar ch) { return IsCharLower(ch); }
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WXDLLEXPORT int wxIsprint(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_SPACE|C1_PUNCT|C1_ALPHA); }
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WXDLLEXPORT int wxIspunct(wxChar ch) { return wxMSW_ctype(ch) & C1_PUNCT; }
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WXDLLEXPORT int wxIsspace(wxChar ch) { return wxMSW_ctype(ch) & C1_SPACE; }
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WXDLLEXPORT int wxIsupper(wxChar ch) { return IsCharUpper(ch); }
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WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_XDIGIT; }
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WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
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WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
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#endif
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#ifndef wxStrdup
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WXDLLEXPORT wxChar * wxStrdup(const wxChar *psz)
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{
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size_t size = (wxStrlen(psz) + 1) * sizeof(wxChar);
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wxChar *ret = (wxChar *) malloc(size);
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memcpy(ret, psz, size);
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return ret;
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}
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#endif
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#ifndef wxStricmp
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int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
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{
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register wxChar c1, c2;
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do {
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c1 = wxTolower(*psz1++);
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c2 = wxTolower(*psz2++);
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} while ( c1 && (c1 == c2) );
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return c1 - c2;
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}
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#endif
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#ifndef wxStricmp
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int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
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{
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register wxChar c1, c2;
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while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++;
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if (n) {
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if (c1 < c2) return -1;
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if (c1 > c2) return 1;
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}
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return 0;
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}
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#endif
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#ifndef wxStrtok
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WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
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{
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if (!psz) psz = *save_ptr;
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psz += wxStrspn(psz, delim);
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if (!*psz) {
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*save_ptr = (wxChar *)NULL;
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return (wxChar *)NULL;
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}
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wxChar *ret = psz;
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psz = wxStrpbrk(psz, delim);
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if (!psz) *save_ptr = (wxChar*)NULL;
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else {
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*psz = wxT('\0');
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*save_ptr = psz + 1;
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}
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return ret;
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}
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#endif
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#ifndef wxSetlocale
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WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
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{
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char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
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return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
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}
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#endif
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#ifdef wxNEED_WX_STRING_H
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WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
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{
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wxChar *ret = dest;
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while (*dest) dest++;
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while ((*dest++ = *src++));
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return ret;
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}
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WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c)
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{
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// be careful here as the terminating NUL makes part of the string
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while ( *s != c )
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{
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if ( !*s++ )
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return NULL;
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}
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return s;
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}
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WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2)
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{
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while ((*s1 == *s2) && *s1) s1++, s2++;
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if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
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if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
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return 0;
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}
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WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src)
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{
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wxChar *ret = dest;
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while ((*dest++ = *src++));
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return ret;
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}
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WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n)
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{
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wxChar *ret = dest;
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while (*dest) dest++;
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while (n && (*dest++ = *src++)) n--;
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return ret;
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}
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WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n)
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{
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while (n && (*s1 == *s2) && *s1) n--, s1++, s2++;
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if (n) {
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if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
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if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
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}
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return 0;
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}
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WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n)
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{
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wxChar *ret = dest;
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while (n && (*dest++ = *src++)) n--;
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while (n) *dest++=0, n--; // the docs specify padding with zeroes
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return ret;
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}
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WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
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{
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while (*s && !wxStrchr(accept, *s))
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s++;
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return *s ? s : NULL;
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}
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WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c)
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{
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const wxChar *ret = NULL;
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do
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{
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if ( *s == c )
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ret = s;
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s++;
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}
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while ( *s );
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return ret;
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}
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WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
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{
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size_t len = 0;
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while (wxStrchr(accept, *s++)) len++;
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return len;
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}
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WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
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{
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wxCHECK_RET( needle, NULL, _T("NULL argument in wxStrstr") );
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// VZ: this is not exactly the most efficient string search algorithm...
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const size_t len = wxStrlen(needle);
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while ( const wxChar *fnd = wxStrchr(haystack, *needle) )
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{
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if ( !wxStrncmp(fnd, needle, len) )
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return fnd;
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haystack = fnd + 1;
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}
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return NULL;
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}
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WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
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{
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const wxChar *start = nptr;
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// FIXME: only correct for C locale
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while (wxIsspace(*nptr)) nptr++;
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if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
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while (wxIsdigit(*nptr)) nptr++;
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if (*nptr == wxT('.')) {
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nptr++;
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while (wxIsdigit(*nptr)) nptr++;
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}
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if (*nptr == wxT('E') || *nptr == wxT('e')) {
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nptr++;
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if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
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while (wxIsdigit(*nptr)) nptr++;
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}
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wxString data(nptr, nptr-start);
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wxWX2MBbuf dat = data.mb_str(wxConvLibc);
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char *rdat = wxMBSTRINGCAST dat;
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double ret = strtod(dat, &rdat);
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if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
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return ret;
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}
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WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
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{
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const wxChar *start = nptr;
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// FIXME: only correct for C locale
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while (wxIsspace(*nptr)) nptr++;
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if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
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if (((base == 0) || (base == 16)) &&
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(nptr[0] == wxT('0') && nptr[1] == wxT('x'))) {
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nptr += 2;
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base = 16;
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}
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else if ((base == 0) && (nptr[0] == wxT('0'))) base = 8;
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else if (base == 0) base = 10;
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while ((wxIsdigit(*nptr) && (*nptr - wxT('0') < base)) ||
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(wxIsalpha(*nptr) && (wxToupper(*nptr) - wxT('A') + 10 < base))) nptr++;
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wxString data(nptr, nptr-start);
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wxWX2MBbuf dat = data.mb_str(wxConvLibc);
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char *rdat = wxMBSTRINGCAST dat;
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long int ret = strtol(dat, &rdat, base);
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if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
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return ret;
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}
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#endif
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#ifdef wxNEED_WX_STDIO_H
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WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
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{
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return fopen( wxConvFile.cWX2MB(path), wxConvLibc.cWX2MB(mode) );
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}
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WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
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{
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return freopen( wxConvFile.cWX2MB(path), wxConvLibc.cWX2MB(mode), stream );
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}
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WXDLLEXPORT int wxRemove(const wxChar *path)
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{
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return remove( wxConvFile.cWX2MB(path) );
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}
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WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
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{
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return rename( wxConvFile.cWX2MB(oldpath), wxConvFile.cWX2MB(newpath) );
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}
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#endif
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#ifndef wxAtof
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double WXDLLEXPORT wxAtof(const wxChar *psz)
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{
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return atof(wxConvLibc.cWX2MB(psz));
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}
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#endif
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#ifdef wxNEED_WX_STDLIB_H
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int WXDLLEXPORT wxAtoi(const wxChar *psz)
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{
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return atoi(wxConvLibc.cWX2MB(psz));
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}
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long WXDLLEXPORT wxAtol(const wxChar *psz)
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{
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return atol(wxConvLibc.cWX2MB(psz));
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}
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wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
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{
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static wxHashTable env;
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// check if we already have stored the converted env var
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wxObject *data = env.Get(name);
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if (!data)
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{
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// nope, retrieve it,
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#if wxUSE_UNICODE
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wxCharBuffer buffer = wxConvLibc.cWX2MB(name);
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// printf( "buffer %s\n", (const char*) buffer );
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const char *val = getenv( (const char *)buffer );
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#else
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const char *val = getenv( name );
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#endif
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if (!val) return (wxChar *)NULL;
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// printf( "home %s\n", val );
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// convert it,
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#ifdef wxUSE_UNICODE
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data = (wxObject *)new wxString(val, wxConvLibc);
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#else
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data = (wxObject *)new wxString(val);
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#endif
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// and store it
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env.Put(name, data);
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}
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// return converted env var
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return (wxChar *)((wxString *)data)->c_str();
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}
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int WXDLLEXPORT wxSystem(const wxChar *psz)
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{
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return system(wxConvLibc.cWX2MB(psz));
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}
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#endif
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#ifdef wxNEED_WX_TIME_H
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WXDLLEXPORT size_t wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm)
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{
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if (!max) return 0;
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char *buf = (char *)malloc(max);
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size_t ret = strftime(buf, max, wxConvLibc.cWX2MB(fmt), tm);
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if (ret) {
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wxStrcpy(s, wxConvLibc.cMB2WX(buf));
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free(buf);
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return wxStrlen(s);
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} else {
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free(buf);
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*s = 0;
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return 0;
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}
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}
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#endif
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