Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 106 insertions, 0 deletions

diff --git a/sal/osl/w32/nlsupport.cxx b/sal/osl/w32/nlsupport.cxx
new file mode 100644
index 0000000000..1c3648d5a0
--- /dev/null
+++ b/sal/osl/w32/nlsupport.cxx
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <wchar.h>
+
+#include "nlsupport.hxx"
+
+#include <osl/nlsupport.h>
+#include <osl/diagnose.h>
+#include <osl/process.h>
+#include <rtl/tencinfo.h>
+#include <rtl/ustrbuf.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+/* XXX NOTE:
+ * http://msdn.microsoft.com/en-us/library/windows/desktop/dd373848.aspx
+ * (retrieved 2013-02-13) has some weird description for the LOCALE_SISO*
+ * constants: "The maximum number of characters allowed for this string is
+ * nine, including a terminating null character." NINE?!? In ISO 639 and ISO
+ * 3166?
+ */
+constexpr int ELP_LANGUAGE_FIELD_LENGTH = 4;
+constexpr int ELP_COUNTRY_FIELD_LENGTH = 3;
+
+static int GetLocaleInfoN(LPCWSTR l, LCTYPE t, DWORD& n)
+{
+    return GetLocaleInfoEx(l, t | LOCALE_RETURN_NUMBER, reinterpret_cast<LPWSTR>(&n),
+                           sizeof(n) / sizeof(WCHAR));
+}
+
+rtl_TextEncoding SAL_CALL osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
+{
+    /* if pLocale is NULL, use process locale as default */
+    if( nullptr == pLocale )
+        osl_getProcessLocale( &pLocale );
+
+    if (!pLocale || !pLocale->Language || !pLocale->Language->length)
+        return RTL_TEXTENCODING_DONTKNOW;
+
+    /* Build a BCP47 tag */
+    OUStringBuffer sLocale(OUString::unacquired(&pLocale->Language));
+    if (pLocale->Country && pLocale->Country->length > 0)
+        sLocale.append("-" + OUString::unacquired(&pLocale->Country));
+    sLocale.append('\0');
+
+    /* query ansi codepage for given locale */
+    DWORD codepage;
+    if (!GetLocaleInfoN(o3tl::toW(sLocale.getStr()), LOCALE_IDEFAULTANSICODEPAGE, codepage))
+    {
+        WCHAR resolved[LOCALE_NAME_MAX_LENGTH];
+        if (!ResolveLocaleName(o3tl::toW(sLocale.getStr()), resolved, std::size(resolved)))
+            return RTL_TEXTENCODING_DONTKNOW;
+        if (!GetLocaleInfoN(resolved, LOCALE_IDEFAULTANSICODEPAGE, codepage))
+            return RTL_TEXTENCODING_DONTKNOW;
+    }
+
+    /* if GetLocaleInfo returns 0, it is a UNICODE only locale */
+    if (0 == codepage)
+        return RTL_TEXTENCODING_UNICODE;
+
+    /* find matching rtl encoding */
+    return rtl_getTextEncodingFromWindowsCodePage(codepage);
+}
+
+void imp_getProcessLocale( rtl_Locale ** ppLocale )
+{
+    WCHAR locale[LOCALE_NAME_MAX_LENGTH];
+    WCHAR langCode[ELP_LANGUAGE_FIELD_LENGTH];
+    WCHAR ctryCode[ELP_COUNTRY_FIELD_LENGTH];
+
+    OSL_ASSERT( ppLocale );
+
+    /* get the locale name to retrieve information from */
+    /* and call GetLocaleInfo to retrieve the iso codes */
+    if( GetUserDefaultLocaleName(locale, std::size(locale)) &&
+        GetLocaleInfoEx( locale, LOCALE_SISO639LANGNAME , langCode, std::size(langCode) )  &&
+        GetLocaleInfoEx( locale, LOCALE_SISO3166CTRYNAME , ctryCode, std::size(ctryCode) ) )
+    {
+        *ppLocale = rtl_locale_register( o3tl::toU(langCode), o3tl::toU(ctryCode), u"" );
+    }
+    else
+    {
+        *ppLocale = rtl_locale_register( u"C", u"", u"" );
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */