Core/Locales: Set active code page and locale used by c string functions to utf8

Closes #29455

(cherry picked from commit b299902881cb6525b5a6cc08c5721c0c1c7401ab)

4 files changed, 98 insertions, 5 deletions

diff --git a/src/common/Time/Timezone.cpp b/src/common/Time/Timezone.cpp
index 6bc5773edc3..9748078fe9f 100644
--- a/src/common/Time/Timezone.cpp
+++ b/src/common/Time/Timezone.cpp
@@ -17,12 +17,13 @@
 
 #include "Timezone.h"
 #include "Hash.h"
+#include "Locales.h"
 #include "MapUtils.h"
 #include "StringConvert.h"
 #include "Util.h"
 #include <boost/locale/date_time_facet.hpp>
-#include <boost/locale/generator.hpp>
 #include <chrono>
+#include <memory>
 #include <unordered_map>
 
 namespace
@@ -96,7 +97,11 @@ std::unordered_map<uint32, Minutes, std::identity> InitTimezoneHashDb()
     return hashToOffset;
 }
 
-std::unordered_map<uint32, Minutes, std::identity> const _timezoneOffsetsByHash = InitTimezoneHashDb();
+std::unordered_map<uint32, Minutes, std::identity> const& GetTimezoneOffsetsByHash()
+{
+    static std::unordered_map<uint32, Minutes, std::identity> timezoneMap = InitTimezoneHashDb();
+    return timezoneMap;
+}
 
 using ClientSupportedTimezone = std::pair<Minutes, std::string>;
 std::array<ClientSupportedTimezone, 11> const _clientSupportedTimezones =
@@ -119,7 +124,7 @@ namespace Trinity::Timezone
 {
 Minutes GetOffsetByHash(uint32 hash)
 {
-    if (Minutes const* offset = Containers::MapGetValuePtr(_timezoneOffsetsByHash, hash))
+    if (Minutes const* offset = Containers::MapGetValuePtr(GetTimezoneOffsetsByHash(), hash))
         return *offset;
 
     return 0min;
@@ -151,8 +156,7 @@ std::string GetSystemZoneName()
 #if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
     return std::string(std::chrono::current_zone()->name());
 #else
-    static std::locale calendarLocale = boost::locale::generator().generate("");
-    std::unique_ptr<boost::locale::abstract_calendar> p(std::use_facet<class boost::locale::calendar_facet>(calendarLocale).create_calendar());
+    std::unique_ptr<boost::locale::abstract_calendar> p(std::use_facet<class boost::locale::calendar_facet>(Locale::GetCalendarLocale()).create_calendar());
     return p->get_timezone();
 #endif
 }
diff --git a/src/common/Utilities/Locales.cpp b/src/common/Utilities/Locales.cpp
new file mode 100644
index 00000000000..b4048b9c3f3
--- /dev/null
+++ b/src/common/Utilities/Locales.cpp
@@ -0,0 +1,45 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Locales.h"
+#include <boost/locale/generator.hpp>
+
+namespace
+{
+std::locale _utf8;
+std::locale _calendar;
+}
+
+void Trinity::Locale::Init()
+{
+    // Change global locale from "C" to UTF-8 for c runtime functions
+    _utf8 = std::locale("");
+    std::locale::global(_utf8);
+
+    boost::locale::generator g;
+    _calendar = g.generate(_utf8, "");
+}
+
+std::locale const& Trinity::Locale::GetGlobalLocale()
+{
+    return _utf8;
+}
+
+std::locale const& Trinity::Locale::GetCalendarLocale()
+{
+    return _calendar;
+}
diff --git a/src/common/Utilities/Locales.h b/src/common/Utilities/Locales.h
new file mode 100644
index 00000000000..b60ad0bbf2f
--- /dev/null
+++ b/src/common/Utilities/Locales.h
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITYCORE_LOCALE_H
+#define TRINITYCORE_LOCALE_H
+
+#include "Define.h"
+#include <locale>
+
+namespace Trinity::Locale
+{
+TC_COMMON_API void Init();
+TC_COMMON_API std::locale const& GetGlobalLocale();
+TC_COMMON_API std::locale const& GetCalendarLocale();
+}
+
+#endif // TRINITYCORE_LOCALE_H
diff --git a/src/common/WindowsSettings.manifest b/src/common/WindowsSettings.manifest
new file mode 100644
index 00000000000..b7da14cfe5c
--- /dev/null
+++ b/src/common/WindowsSettings.manifest
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <activeCodePage xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">UTF-8</activeCodePage>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" /> <!-- Windows 10 -->
+    </application>
+  </compatibility>
+</assembly>