early-access version 1617

externals/SDL/src/locale/emscripten/SDL_syslocale.c

@@ -0,0 +1,72 @@
+/*
+  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: */
+