diff options
Diffstat (limited to 'plugins/ContactsPlus/src/utils.cpp')
| -rw-r--r-- | plugins/ContactsPlus/src/utils.cpp | 832 | 
1 files changed, 832 insertions, 0 deletions
diff --git a/plugins/ContactsPlus/src/utils.cpp b/plugins/ContactsPlus/src/utils.cpp new file mode 100644 index 0000000000..1838b3bea8 --- /dev/null +++ b/plugins/ContactsPlus/src/utils.cpp @@ -0,0 +1,832 @@ +// ---------------------------------------------------------------------------
 +//                Contacts+ for Miranda Instant Messenger
 +//                _______________________________________
 +//
 +// Copyright © 2002 Dominus Procellarum
 +// Copyright © 2004-2008 Joe Kucera
 +//
 +// This program is free software; you can redistribute it and/or
 +// modify it under the terms of the GNU General Public License
 +// as published by the Free Software Foundation; either version 2
 +// of the License, or (at your option) any later version.
 +//
 +// This program is distributed in the hope that it will be useful,
 +// but WITHOUT ANY WARRANTY; without even the implied warranty of
 +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 +// GNU General Public License for more details.
 +//
 +// You should have received a copy of the GNU General Public License
 +// along with this program; if not, write to the Free Software
 +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 +//
 +// ---------------------------------------------------------------------------
 +
 +#include "contacts.h"
 +
 +int utf8_decode(const unsigned char *from, char **to);
 +
 +/* a strlennull() that likes NULL */
 +size_t __fastcall strlennull(const char *string)
 +{
 +  if (string)
 +    return strlen(string);
 +
 +  return 0;
 +}
 +
 +
 +int __fastcall strcmpnull(const char *str1, const char *str2)
 +{
 +  if (!str1 || !str2) return 1;
 +
 +  return strcmp(str1, str2);
 +}
 +
 +
 +char* __fastcall null_strdup(const char *string)
 +{
 +  if (string)
 +    return strdup(string);
 +
 +  return NULL;
 +}
 +
 +
 +void __fastcall SAFE_FREE(void** p)
 +{
 +  if (*p)
 +  {
 +    free(*p);
 +    *p = NULL;
 +  }
 +}
 +
 +
 +char *GetContactProto(HANDLE hContact)
 +{
 +  return (char*)CallService(MS_PROTO_GETCONTACTBASEPROTO,(WPARAM)hContact,0);
 +}
 +
 +
 +TCHAR *GetContactDisplayNameT(HANDLE hContact)
 +{
 +  return (TCHAR*)CallService(MS_CLIST_GETCONTACTDISPLAYNAME, (WPARAM)hContact, g_UnicodeCore ? GCDNF_UNICODE : 0);
 +}
 +
 +
 +char *GetContactUID(HANDLE hContact, int bTchar)
 +{
 +  DBVARIANT vrUid;
 +  char *szUid = NULL;
 +
 +  char *szProto = GetContactProto(hContact);
 +  char *uid = (char*)CallProtoService(szProto, PS_GETCAPS, PFLAG_UNIQUEIDSETTING, 0); // v0.3+ only
 +
 +  if (((int)uid != CALLSERVICE_NOTFOUND) && uid)
 +  { // it worked, yeah :)
 +    if (!DBGetContactSettingT(hContact, szProto, uid, &vrUid))
 +    {
 +      if (vrUid.type == DBVT_DWORD)
 +      {
 +        szUid = (char*)_alloca(17);
 +        szUid[0] = 0; // empty string
 +        _itoa(vrUid.dVal, szUid, 10);
 +      }
 +      else if (vrUid.type == DBVT_ASCIIZ)
 +      {
 +        szUid = (char*)_alloca(strlennull(vrUid.pszVal) + 1);
 +        strcpy(szUid, vrUid.pszVal);
 +      }
 +      else if (vrUid.type == DBVT_UTF8)
 +      { // yeah, jabber gives this!
 +        char *szAnsi = NULL;
 +
 +        if (utf8_decode((unsigned char*)vrUid.pszVal, &szAnsi))
 +        {
 +          szUid = (char*)_alloca(strlennull(szAnsi) + 1);
 +          strcpy(szUid, szAnsi);
 +          SAFE_FREE((void**)&szAnsi);
 +        }
 +      }
 +      DBFreeVariant(&vrUid);
 +    }
 +  }
 +  if (bTchar)
 +    return ansi_to_tchar(szUid);
 +  else
 +    return null_strdup(szUid);
 +}
 +
 +
 +TCHAR* MirandaStatusToStringT(int mirandaStatus)
 +{
 +  return (TCHAR *)CallService(MS_CLIST_GETSTATUSMODEDESCRIPTION, mirandaStatus, g_UnicodeCore ? GSMDF_UNICODE : 0);
 +}
 +
 +HANDLE __fastcall SRCFindFirstContact()
 +{
 +  return (HANDLE)CallService(MS_DB_CONTACT_FINDFIRST, 0, 0);
 +}
 +
 +HANDLE __fastcall SRCFindNextContact(HANDLE hContact)
 +{
 +  return (HANDLE)CallService(MS_DB_CONTACT_FINDNEXT, (WPARAM)hContact, 0);
 +}
 +
 +int DBGetContactSettingT(HANDLE hContact, const char *szModule, const char* szSetting, DBVARIANT *dbv)
 +{
 +  if (ServiceExists(MS_DB_CONTACT_GETSETTING_STR))
 +    return DBGetContactSettingW(hContact, szModule, szSetting, dbv);
 +  else
 +    return DBGetContactSetting(hContact, szModule, szSetting, dbv);
 +}
 +
 +
 +TCHAR* DBGetContactSettingStringT(HANDLE hContact, const char *szModule, const char* szSetting, TCHAR* szDef)
 +{
 +  DBVARIANT dbv = {DBVT_DELETED};
 +  TCHAR* szRes;
 +
 +  if (g_UnicodeCore)
 +  {
 +    if (DBGetContactSettingWString(hContact, szModule, szSetting, &dbv))
 +      return strdupT(szDef);
 +
 +    szRes = strdupT(dbv.ptszVal);
 +    DBFreeVariant(&dbv);
 +  }
 +  else
 +  {
 +    if (DBGetContactSettingT(hContact, szModule, szSetting, &dbv))
 +      return strdupT(szDef);
 +
 +    if (dbv.type == DBVT_ASCIIZ)
 +      szRes = ansi_to_tchar(dbv.pszVal);
 +    else if (dbv.type == DBVT_UTF8)
 +      szRes = utf8_to_tchar((unsigned char*)dbv.pszVal);
 +    else
 +      szRes = strdupT(szDef);
 +    DBFreeVariant(&dbv);
 +  }
 +  return szRes;
 +}
 +
 +int DBWriteContactSettingStringT(HANDLE hContact, const char *szModule, const char* szSetting, TCHAR* szValue)
 +{
 +  if (g_UnicodeCore)
 +    return DBWriteContactSettingWString(hContact, szModule, szSetting, (WCHAR*)szValue);
 +  else
 +    return DBWriteContactSettingString(hContact, szModule, szSetting, (char*)szValue);
 +}
 +
 +
 +
 +void DialogAddContactExecute(HWND hwndDlg, HANDLE hNewContact)
 +{
 +  ADDCONTACTSTRUCT acs={0};
 +
 +  acs.handle = hNewContact;
 +  acs.handleType = HANDLE_CONTACT;
 +
 +  CallService(MS_ADDCONTACT_SHOW, (WPARAM)hwndDlg, (LPARAM)&acs);
 +}
 +
 +
 +void DrawProtocolIcon(HWND hwndDlg, LPARAM lParam, HANDLE hContact)
 +{
 +  LPDRAWITEMSTRUCT dis=(LPDRAWITEMSTRUCT)lParam;
 +
 +  if (dis->hwndItem==GetDlgItem(hwndDlg, IDC_PROTOCOL))
 +  {
 +    HICON hIcon = LoadContactProtoIcon(hContact);
 +    if (hIcon)
 +    {
 +      DrawIconEx(dis->hDC,dis->rcItem.left,dis->rcItem.top,hIcon,GetSystemMetrics(SM_CXSMICON),GetSystemMetrics(SM_CYSMICON),0,NULL,DI_NORMAL);
 +      DestroyIcon(hIcon);
 +    }
 +  }
 +}
 +
 +
 +void UpdateDialogTitle(HWND hwndDlg, HANDLE hContact, char* pszTitleStart)
 +{
 +  TCHAR newtitle[512];
 +  WCHAR str[MAX_PATH];
 +  TCHAR *oldTitle;
 +  TCHAR *szStatus;
 +  char *szProto;
 +
 +  if (hContact)
 +  {
 +    szProto = GetContactProto(hContact);
 +    if (szProto)
 +    {
 +      TCHAR *uid = GetContactUID(hContact, TRUE);
 +      TCHAR *contactName = GetContactDisplayNameT(hContact);
 +
 +      oldTitle = GetDlgItemTextT(hwndDlg, IDC_NAME);
 +
 +      if (strcmpT(uid?uid:contactName, oldTitle))
 +        SetDlgItemTextT(hwndDlg, IDC_NAME, uid?uid:contactName);
 +
 +      szStatus = MirandaStatusToStringT(szProto==NULL ? ID_STATUS_OFFLINE:DBGetContactSettingWord(hContact,szProto,"Status",ID_STATUS_OFFLINE));
 +      _snprintfT(newtitle, 256, "%s %s (%s)", SRCTranslateT(pszTitleStart, str), contactName, szStatus);
 +
 +      SAFE_FREE((void**)&uid);
 +      SAFE_FREE((void**)&oldTitle);
 +    }
 +    else
 +      strncpyT(newtitle, SRCTranslateT(pszTitleStart, str), 256);
 +  }
 +  else
 +    strncpyT(newtitle, SRCTranslateT(pszTitleStart, str), 256);
 +
 +  oldTitle = GetWindowTextT(hwndDlg);
 +
 +  if (strcmpT(newtitle, oldTitle))
 +    SetWindowTextT(hwndDlg, newtitle);
 +
 +  SAFE_FREE((void**)&oldTitle);
 +}
 +
 +
 +void UpdateDialogAddButton(HWND hwndDlg, HANDLE hContact)
 +{
 +  int bVisible = DBGetContactSettingByte(hContact,"CList","NotOnList",0);
 +
 +  ShowWindow(GetDlgItem(hwndDlg, IDC_ADD), bVisible?SW_SHOW:SW_HIDE);
 +}
 +
 +
 +HICON InitMButton(HWND hDlg, int idButton, LPCSTR szIcon, char* szTip)
 +{
 +  HWND hButton = GetDlgItem(hDlg, idButton);
 +  HICON hIcon = (HICON)LoadImage(GetModuleHandle(NULL),szIcon,IMAGE_ICON,GetSystemMetrics(SM_CXSMICON),GetSystemMetrics(SM_CYSMICON),0);
 +
 +  SendMessageT(hButton, BM_SETIMAGE, IMAGE_ICON, (LPARAM)hIcon);
 +  SendMessageT(hButton, BUTTONSETASFLATBTN, TRUE, 0);
 +  SendMessageT(hButton, BUTTONADDTOOLTIP, (WPARAM)Translate(szTip), 0);
 +
 +  return hIcon;
 +}
 +
 +
 +HICON LoadContactProtoIcon(HANDLE hContact)
 +{
 +  char* szProto = GetContactProto(hContact);
 +  if (szProto)
 +    return (HICON)CallProtoService(szProto, PS_LOADICON, PLI_PROTOCOL|PLIF_SMALL, 0);
 +  return NULL;
 +}
 +
 +
 +void EnableDlgItem(HWND hwndDlg, UINT control, int state)
 +{
 +  EnableWindow(GetDlgItem(hwndDlg, control), state);
 +}
 +
 +
 +LRESULT SendMessageT(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 +{
 +  if (g_UnicodeCore)
 +    return SendMessageW(hWnd, Msg, wParam, lParam);
 +  else
 +    return SendMessageA(hWnd, Msg, wParam, lParam);
 +}
 +
 +TCHAR* GetWindowTextT(HWND hWnd)
 +{
 +  if (g_UnicodeCore)
 +  {
 +    int len = GetWindowTextLengthW(hWnd) + 1;
 +    WCHAR* txt = (WCHAR*)malloc(len * sizeof(WCHAR));
 +    if (txt) {
 +      txt[0] = 0;
 +      GetWindowTextW(hWnd, txt, len);
 +    }
 +    return (TCHAR*)txt;
 +  }
 +  else
 +  {
 +    int len = GetWindowTextLengthA(hWnd) + 1;
 +    char* txt = (char*)malloc(len * sizeof(char));
 +    if (txt) {
 +      txt[0] = 0;
 +      GetWindowTextA(hWnd, txt, len);
 +    }
 +    return (TCHAR*)txt;
 +  }
 +}
 +
 +BOOL SetWindowTextT(HWND hWnd, TCHAR* lpString)
 +{
 +  if (g_UnicodeCore)
 +    return SetWindowTextW(hWnd, (WCHAR*)lpString);
 +  else
 +    return SetWindowTextA(hWnd, lpString);
 +}
 +
 +TCHAR* GetDlgItemTextT(HWND hDlg, int nIDDlgItem)
 +{
 +  return GetWindowTextT(GetDlgItem(hDlg, nIDDlgItem));
 +}
 +
 +BOOL SetDlgItemTextT(HWND hDlg, int nIDDlgItem, TCHAR* lpString)
 +{
 +  return SetWindowTextT(GetDlgItem(hDlg, nIDDlgItem), lpString);
 +}
 +
 +HWND CreateDialogParamT(HINSTANCE hInstance, const char* szTemplate, HWND hWndParent, DLGPROC lpDialogFunc, LPARAM dwInitParam)
 +{
 +  if (g_UnicodeCore)
 +    return CreateDialogParamW(hInstance, (LPCWSTR)szTemplate, hWndParent, lpDialogFunc, dwInitParam);
 +  else
 +    return CreateDialogParamA(hInstance, szTemplate, hWndParent, lpDialogFunc, dwInitParam);
 +}
 +
 +int ListView_InsertColumnT(HWND hwnd, int iCol, const LPLVCOLUMN pcol)
 +{
 +  return SendMessageT(hwnd, g_UnicodeCore ? LVM_INSERTCOLUMNW : LVM_INSERTCOLUMNA, (WPARAM)iCol, (LPARAM)pcol);
 +}
 +
 +void ListView_SetItemTextT(HWND hwnd, int i, int iSubItem, TCHAR* pszText)
 +{
 +  LV_ITEM lvi = {0};
 +
 +  lvi.iSubItem = iSubItem;
 +  lvi.pszText = pszText;
 +  SendMessageT(hwnd, g_UnicodeCore ? LVM_SETITEMTEXTW : LVM_SETITEMTEXTA, (WPARAM)i, (LPARAM)&lvi);
 +}
 +
 +
 +
 +size_t __fastcall strlenT(const TCHAR *string)
 +{
 +  if (string)
 +  {
 +    if (g_UnicodeCore)
 +      return wcslen((WCHAR*)string);
 +    else
 +      return strlen((char*)string);
 +  }
 +  return 0;
 +}
 +
 +TCHAR* __fastcall strdupT(const TCHAR *string)
 +{
 +  if (string)
 +  {
 +    if (g_UnicodeCore)
 +      return (TCHAR*)wcsdup((WCHAR*)string);
 +    else
 +      return (TCHAR*)strdup((char*)string);
 +  }
 +  return NULL;
 +}
 +
 +int __fastcall strcmpT(const TCHAR *string1, const TCHAR *string2)
 +{
 +  if (!string1 || !string2) return 1;
 +
 +  if (g_UnicodeCore)
 +    return wcscmp((WCHAR*)string1, (WCHAR*)string2);
 +  else
 +    return strcmp((char*)string1, (char*)string2);
 +}
 +
 +TCHAR* __fastcall strcpyT(TCHAR* dest, const TCHAR* src)
 +{
 +  if (src)
 +  {
 +    if (g_UnicodeCore)
 +      return (TCHAR*)wcscpy((WCHAR*)dest, (WCHAR*)src);
 +    else
 +      return (TCHAR*)strcpy((char*)dest, (char*)src);
 +  }
 +  return dest;
 +}
 +
 +TCHAR* __fastcall strncpyT(TCHAR* dest, const TCHAR* src, size_t len)
 +{
 +  if (src)
 +  {
 +    if (g_UnicodeCore)
 +      return (TCHAR*)wcsncpy((WCHAR*)dest, (WCHAR*)src, len);
 +    else
 +      return (TCHAR*)strncpy((char*)dest, (char*)src, len);
 +  }
 +  return dest;
 +}
 +
 +TCHAR* __fastcall strcatT(TCHAR* dest, const TCHAR* src)
 +{
 +  if (src)
 +  {
 +    if (g_UnicodeCore)
 +      return (TCHAR*)wcscat((WCHAR*)dest, (WCHAR*)src);
 +    else
 +      return (TCHAR*)strcat((char*)dest, (char*)src);
 +  }
 +  return dest;
 +}
 +
 +int _snprintfT(TCHAR *buffer, size_t count, const char* fmt, ...)
 +{
 +  va_list va;
 +  int len;
 +
 +  va_start(va, fmt);
 +  if (g_UnicodeCore)
 +  {
 +    TCHAR* wfmt = ansi_to_tchar(fmt);
 +
 +    len = _vsnwprintf((WCHAR*)buffer, count-1, (WCHAR*)wfmt, va);
 +    ((WCHAR*)buffer)[count-1] = 0;
 +    SAFE_FREE((void**)&wfmt);
 +  }
 +  else
 +  {
 +    len = _vsnprintf((char*)buffer, count-1, fmt, va);
 +    ((char*)buffer)[count-1] = 0;
 +  }
 +  va_end(va);
 +  return len;
 +}
 +
 +TCHAR* __fastcall SRCTranslateT(const char* src, const WCHAR* unibuf)
 +{ // this takes Ascii strings only!!!
 +  char* szRes = NULL;
 +
 +  if (!strlennull(src))
 +  { // for the case of empty strings
 +    return "";
 +  }
 +
 +  if (g_UnicodeCore)
 +  { // we give WCHAR
 +    WCHAR *unicode;
 +    int wchars, err;
 +
 +    wchars = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, src,
 +      (int)strlennull(src), NULL, 0);
 +
 +    if (wchars == 0) return NULL; // Failure
 +
 +    unicode = (WCHAR*)unibuf;
 +    if (!unicode)
 +      unicode = (WCHAR*)malloc((wchars + 1) * sizeof(WCHAR));
 +
 +    unicode[wchars] = 0;
 +
 +    err = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, src,
 +      (int)strlennull(src), unicode, wchars);
 +    if (err != wchars) return NULL; // Failure
 +
 +    return (TCHAR*)TranslateW(unicode);
 +  }
 +  else
 +    return (TCHAR*)Translate(src);
 +}
 +
 +static BOOL bHasCP_UTF8 = FALSE;
 +
 +
 +void InitI18N(void)
 +{
 +  CPINFO CPInfo;
 +
 +
 +  bHasCP_UTF8 = GetCPInfo(CP_UTF8, &CPInfo);
 +}
 +
 +
 +// Scans a string encoded in UTF-8 to verify that it contains
 +// only valid sequences. It will return 1 if the string contains
 +// only legitimate encoding sequences; otherwise it will return 0;
 +// From 'Secure Programming Cookbook', John Viega & Matt Messier, 2003
 +int UTF8_IsValid(const unsigned char* pszInput)
 +{
 +  int nb, i;
 +  const unsigned char* c = pszInput;
 +
 +  if (!pszInput) return 0;
 +
 +  for (c = pszInput; *c; c += (nb + 1))
 +  {
 +    if (!(*c & 0x80))
 +      nb = 0;
 +    else if ((*c & 0xc0) == 0x80) return 0;
 +    else if ((*c & 0xe0) == 0xc0) nb = 1;
 +    else if ((*c & 0xf0) == 0xe0) nb = 2;
 +    else if ((*c & 0xf8) == 0xf0) nb = 3;
 +    else if ((*c & 0xfc) == 0xf8) nb = 4;
 +    else if ((*c & 0xfe) == 0xfc) nb = 5;
 +
 +    for (i = 1; i<=nb; i++) // we this forward, do not cross end of string
 +      if ((*(c + i) & 0xc0) != 0x80)
 +        return 0;
 +  }
 +
 +  return 1;
 +}
 +
 +
 +/*
 + * The following UTF8 routines are
 + *
 + * Copyright (C) 2001 Peter Harris <peter.harris@hummingbird.com>
 + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org>
 + *
 + * under a GPL license
 + *
 + * --------------------------------------------------------------
 + * Convert a string between UTF-8 and the locale's charset.
 + * Invalid bytes are replaced by '#', and characters that are
 + * not available in the target encoding are replaced by '?'.
 + *
 + * If the locale's charset is not set explicitly then it is
 + * obtained using nl_langinfo(CODESET), where available, the
 + * environment variable CHARSET, or assumed to be US-ASCII.
 + *
 + * Return value of conversion functions:
 + *
 + *  -1 : memory allocation failed
 + *   0 : data was converted exactly
 + *   1 : valid data was converted approximately (using '?')
 + *   2 : input was invalid (but still converted, using '#')
 + *   3 : unknown encoding (but still converted, using '?')
 + */
 +
 +
 +
 +/*
 + * Convert a string between UTF-8 and the locale's charset.
 + */
 +unsigned char *make_utf8_string(const wchar_t *unicode)
 +{
 +  int size = 0;
 +  int index = 0;
 +  int out_index = 0;
 +  unsigned char* out;
 +  unsigned short c;
 +
 +  if (!unicode) return NULL;
 +
 +  /* first calculate the size of the target string */
 +  c = unicode[index++];
 +  while (c)
 +  {
 +    if (c < 0x0080)
 +      size += 1;
 +    else if (c < 0x0800)
 +      size += 2;
 +    else
 +      size += 3;
 +    c = unicode[index++];
 +  }
 +
 +  out = (unsigned char*)malloc(size + 1);
 +  if (out == NULL)
 +    return NULL;
 +  index = 0;
 +
 +  c = unicode[index++];
 +  while (c)
 +  {
 +    if (c < 0x080)
 +    {
 +      out[out_index++] = (unsigned char)c;
 +    }
 +    else if (c < 0x800)
 +    {
 +      out[out_index++] = 0xc0 | (c >> 6);
 +      out[out_index++] = 0x80 | (c & 0x3f);
 +    }
 +    else
 +    {
 +      out[out_index++] = 0xe0 | (c >> 12);
 +      out[out_index++] = 0x80 | ((c >> 6) & 0x3f);
 +      out[out_index++] = 0x80 | (c & 0x3f);
 +    }
 +    c = unicode[index++];
 +  }
 +  out[out_index] = 0x00;
 +
 +  return out;
 +}
 +
 +
 +
 +WCHAR *make_unicode_string(const unsigned char *utf8)
 +{
 +  int size = 0, index = 0, out_index = 0;
 +  wchar_t *out;
 +  unsigned char c;
 +
 +  if (!utf8) return NULL;
 +
 +  /* first calculate the size of the target string */
 +  c = utf8[index++];
 +  while (c)
 +  {
 +    if ((c & 0x80) == 0)
 +    {
 +      index += 0;
 +    }
 +    else if ((c & 0xe0) == 0xe0)
 +    {
 +      index += 2;
 +    }
 +    else
 +    {
 +      index += 1;
 +    }
 +    size += 1;
 +    c = utf8[index++];
 +  }
 +
 +  out = (wchar_t*)malloc((size + 1) * sizeof(wchar_t));
 +  if (out == NULL)
 +    return NULL;
 +  index = 0;
 +
 +  c = utf8[index++];
 +  while (c)
 +  {
 +    if ((c & 0x80) == 0)
 +    {
 +      out[out_index++] = c;
 +    }
 +    else if ((c & 0xe0) == 0xe0)
 +    {
 +      out[out_index] = (c & 0x1F) << 12;
 +      c = utf8[index++];
 +      out[out_index] |= (c & 0x3F) << 6;
 +      c = utf8[index++];
 +      out[out_index++] |= (c & 0x3F);
 +    }
 +    else
 +    {
 +      out[out_index] = (c & 0x3F) << 6;
 +      c = utf8[index++];
 +      out[out_index++] |= (c & 0x3F);
 +    }
 +    c = utf8[index++];
 +  }
 +  out[out_index] = 0;
 +
 +  return out;
 +}
 +
 +
 +// Returns 0 on error, 1 on success
 +static int utf8_decode(const unsigned char *from, char **to)
 +{
 +  int nResult = 0;
 +
 +//  _ASSERTE(!(*to)); // You passed a non-zero pointer, make sure it doesnt point to unfreed memory
 +
 +  // Validate the string
 +  if (!UTF8_IsValid(from))
 +    return 0;
 +
 +  // Use the native conversion routines when available
 +  if (bHasCP_UTF8)
 +  {
 +    WCHAR *wszTemp = NULL;
 +    int inlen = (int)strlennull((char*)from);
 +
 +    wszTemp = (WCHAR *)_alloca(sizeof(WCHAR) * (inlen + 1));
 +
 +    // Convert the UTF-8 string to UCS
 +    if (MultiByteToWideChar(CP_UTF8, 0, (char*)from, -1, wszTemp, inlen + 1))
 +    {
 +      // Convert the UCS string to local ANSI codepage
 +      *to = (char*)malloc(inlen+1);
 +      if (WideCharToMultiByte(CP_ACP, 0, wszTemp, -1, *to, inlen+1, NULL, NULL))
 +      {
 +        nResult = 1;
 +      }
 +      else
 +      {
 +        SAFE_FREE((void**)to);
 +      }
 +    }
 +  }
 +  else
 +  {
 +    wchar_t *unicode;
 +    int chars;
 +    int err;
 +
 +    unicode = make_unicode_string(from);
 +    if (unicode == NULL)
 +    {
 +//      fprintf(stderr, "Out of memory processing string from UTF8 to UNICODE16\n");
 +      return 0;
 +    }
 +
 +    chars = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, NULL, 0, NULL, NULL);
 +
 +    if(chars == 0)
 +    {
 +//      fprintf(stderr, "Unicode translation error %d\n", GetLastError());
 +      SAFE_FREE((void**)&unicode);
 +      return 0;
 +    }
 +
 +    *to = (char*)malloc((chars + 1)*sizeof(unsigned char));
 +    if (*to == NULL)
 +    {
 +//      fprintf(stderr, "Out of memory processing string to local charset\n");
 +      SAFE_FREE((void**)&unicode);
 +      return 0;
 +    }
 +
 +    err = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, *to, chars, NULL, NULL);
 +    if (err != chars)
 +    {
 +//      fprintf(stderr, "Unicode translation error %d\n", GetLastError());
 +      SAFE_FREE((void**)&unicode);
 +      SAFE_FREE((void**)to);
 +      return 0;
 +    }
 +
 +    SAFE_FREE((void**)&unicode);
 +
 +    nResult = 1;
 +  }
 +
 +  return nResult;
 +}
 +
 +
 +
 +TCHAR* ansi_to_tchar(const char* src, int codepage)
 +{
 +  if (g_UnicodeCore)
 +  {
 +    WCHAR *unicode;
 +    int wchars, err;
 +
 +    wchars = MultiByteToWideChar(codepage, MB_PRECOMPOSED, src, (int)strlennull(src), NULL, 0);
 +
 +    if (wchars == 0) return NULL; // Failure
 +
 +    unicode = (WCHAR*)malloc((wchars + 1) * sizeof(WCHAR));
 +    unicode[wchars] = 0;
 +
 +    err = MultiByteToWideChar(codepage, MB_PRECOMPOSED, src, (int)strlennull(src), unicode, wchars);
 +    if (err != wchars)
 +    {
 +      SAFE_FREE((void**)&unicode);
 +      return NULL; // Failure
 +    }
 +
 +    return (TCHAR*)unicode;
 +  }
 +  else
 +    return strdupT((TCHAR*)src);
 +}
 +
 +char* tchar_to_ansi(const TCHAR* src)
 +{
 +  if (g_UnicodeCore)
 +  {
 +    char *ansi;
 +    int chars;
 +    int err;
 +
 +    chars = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, (WCHAR*)src, -1, NULL, 0, NULL, NULL);
 +
 +    if (chars == 0) return NULL; // Failure
 +
 +    ansi = (char*)malloc((chars + 1)*sizeof(char));
 +    if (ansi == NULL) return NULL; // Failure
 +
 +    err = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, (WCHAR*)src, -1, ansi, chars, NULL, NULL);
 +    if (err != chars)
 +    {
 +      SAFE_FREE((void**)&ansi);
 +      return NULL;
 +    }
 +    return ansi;
 +  }
 +  else
 +    return (char*)strdupT(src);
 +}
 +
 +TCHAR* utf8_to_tchar(const unsigned char* utf)
 +{
 +  if (g_UnicodeCore)
 +    return (TCHAR*)make_unicode_string(utf);
 +  else
 +  {
 +    char* szAnsi = NULL;
 +
 +    if (utf8_decode(utf, &szAnsi))
 +      return (TCHAR*)szAnsi;
 +    else
 +      return NULL; // Failure
 +  }
 +}
\ No newline at end of file  | 
