//============================================================ // // strconv.c - Win32 string conversion // //============================================================ // // Copyright Aaron Giles // All rights reserved. // // Redistribution and use in source and binary forms, with or // without modification, are permitted provided that the // following conditions are met: // // * Redistributions of source code must retain the above // copyright notice, this list of conditions and the // following disclaimer. // * Redistributions in binary form must reproduce the // above copyright notice, this list of conditions and // the following disclaimer in the documentation and/or // other materials provided with the distribution. // * Neither the name 'MAME' nor the names of its // contributors may be used to endorse or promote // products derived from this software without specific // prior written permission. // // THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND // FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO // EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGE (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // //============================================================ // standard windows headers #define WIN32_LEAN_AND_MEAN #include // MAMEOS headers #include "strconv.h" #include "unicode.h" //============================================================ // astring_from_utf8 //============================================================ CHAR *astring_from_utf8(const char *utf8string) { WCHAR *wstring; int char_count; CHAR *result; // convert MAME string (UTF-8) to UTF-16 char_count = MultiByteToWideChar(CP_UTF8, 0, utf8string, -1, NULL, 0); wstring = (WCHAR *)alloca(char_count * sizeof(*wstring)); MultiByteToWideChar(CP_UTF8, 0, utf8string, -1, wstring, char_count); // convert UTF-16 to "ANSI code page" string char_count = WideCharToMultiByte(CP_ACP, 0, wstring, -1, NULL, 0, NULL, NULL); result = (CHAR *)osd_malloc_array(char_count * sizeof(*result)); if (result != NULL) WideCharToMultiByte(CP_ACP, 0, wstring, -1, result, char_count, NULL, NULL); return result; } //============================================================ // utf8_from_astring //============================================================ char *utf8_from_astring(const CHAR *astring) { WCHAR *wstring; int char_count; CHAR *result; // convert "ANSI code page" string to UTF-16 char_count = MultiByteToWideChar(CP_ACP, 0, astring, -1, NULL, 0); wstring = (WCHAR *)alloca(char_count * sizeof(*wstring)); MultiByteToWideChar(CP_ACP, 0, astring, -1, wstring, char_count); // convert UTF-16 to MAME string (UTF-8) char_count = WideCharToMultiByte(CP_UTF8, 0, wstring, -1, NULL, 0, NULL, NULL); result = (CHAR *)osd_malloc_array(char_count * sizeof(*result)); if (result != NULL) WideCharToMultiByte(CP_UTF8, 0, wstring, -1, result, char_count, NULL, NULL); return result; } //============================================================ // wstring_from_utf8 //============================================================ WCHAR *wstring_from_utf8(const char *utf8string) { int char_count; WCHAR *result; // convert MAME string (UTF-8) to UTF-16 char_count = MultiByteToWideChar(CP_UTF8, 0, utf8string, -1, NULL, 0); result = (WCHAR *)osd_malloc_array(char_count * sizeof(*result)); if (result != NULL) MultiByteToWideChar(CP_UTF8, 0, utf8string, -1, result, char_count); return result; } //============================================================ // utf8_from_wstring //============================================================ char *utf8_from_wstring(const WCHAR *wstring) { int char_count; char *result; // convert UTF-16 to MAME string (UTF-8) char_count = WideCharToMultiByte(CP_UTF8, 0, wstring, -1, NULL, 0, NULL, NULL); result = (char *)osd_malloc_array(char_count * sizeof(*result)); if (result != NULL) WideCharToMultiByte(CP_UTF8, 0, wstring, -1, result, char_count, NULL, NULL); return result; }