kc3-lang/SDL/src/locale/emscripten/SDL_syslocale.c

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• Hash : fa23e3d0
  Author :
  Date : 2020-05-04T02:27:29
  

  locale: Implemented SDL_GetPreferredLocales(). This was something I proposed a long time ago, Sylvain Becker did additional work on it, then back to me. Fixes Bugzilla #2131.

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• src/locale/emscripten/SDL_syslocale.c

• /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
  
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
  
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:
  
    1. The origin of this software must not be misrepresented; you must not
       claim that you wrote the original software. If you use this software
       in a product, an acknowledgment in the product documentation would be
       appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be
       misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.
  */
  
  #include <emscripten.h>
  
  #include "../../SDL_internal.h"
  #include "../SDL_syslocale.h"
  
  void
  SDL_SYS_GetPreferredLocales(char *buf, size_t buflen)
  {
      EM_ASM({
          var buf = $0;
          var buflen = $1;
          var list = undefined;
  
          if (navigator.languages && navigator.languages.length) {
              list = navigator.languages;
          } else {
              var oneOfThese = navigator.userLanguage || navigator.language || navigator.browserLanguage || navigator.systemLanguage;
              if (oneOfThese !== undefined) {
                  list = [ oneOfThese ];
              }
          }
  
          if (list === undefined) {
              return;  /* we've got nothing. */
          }
  
          var str = "";  /* Can't do list.join() because we need to fit in buflen. */
          for (var i = 0; i < list.length; i++) {
              var item = list[i];
              if ((str.length + item.length + 1) > buflen) {
                  break;   /* don't add, we're out of space. */
              }
              if (str.length > 0) {
                  str += ",";
              }
              str += item;
          }
  
          str = str.replace(/-/g, "_");
          if (buflen > str.length) {
              buflen = str.length;  /* clamp to size of string. */
          }
  
          for (var i = 0; i < buflen; i++) {
              setValue(buf + i, str.charCodeAt(i), "i8");  /* fill in C array. */
          }
      }, buf, buflen);
  }
  
  /* vi: set ts=4 sw=4 expandtab: */
  
  

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