Add i18n system

.github/scripts/check-diff.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+
+# SPDX-FileCopyrightText: 2019 Corentin Noël <tintou@noel.tf>
+#
+# SPDX-License-Identifier: GPL-3.0-only
+
+# Taken from https://github.com/elementary/actions/blob/master/gettext-template/check-diff.py
+
+import git
+import io
+
+def commit_to_repo(repo):
+    print('There are translation changes, committing changes to repository!')
+    files = repo.git.diff(None, name_only=True)
+    for f in files.split('\n'):
+        if f.endswith ('.po') or f.endswith ('.pot'):
+            repo.git.add(f)
+    repo.git.commit('-m', 'Update translation template')
+    infos = repo.remotes.origin.push()
+    has_error=False
+    error_msg=''
+    for info in infos:
+        if info.flags & git.remote.PushInfo.ERROR == git.remote.PushInfo.ERROR:
+            has_error=True
+            error_msg += info.summary
+    if has_error:
+        raise NameError('Unable to push to repository: ' + error_msg)
+
+print('Checking the repository for new translations...')
+repo = git.Repo('.')
+t = repo.head.commit.tree
+files = repo.git.diff(None, name_only=True)
+needs_commit=False
+
+for f in files.split('\n'):
+    if f.endswith ('.pot'):
+        raw_diff = repo.git.diff(t, f)
+        output = io.StringIO()
+        for line in raw_diff.splitlines():
+            if line.startswith ('+++'):
+                continue
+            if line.startswith ('---'):
+                continue
+            if line.startswith ('diff'):
+                continue
+            if line.startswith ('index'):
+                continue
+            if line.startswith ('@@'):
+                continue
+            if line.startswith (' '):
+                continue
+            if line.startswith ('+#:'):
+                continue
+            if line.startswith ('-#:'):
+                continue
+            if line.startswith ('-"'):
+                continue
+            if line.startswith ('+"'):
+                continue
+            if not line.strip():
+                continue
+            print(line, file=output)
+        if output.getvalue().strip():
+            print(f + " has changed!")
+            needs_commit = True
+        output.close()
+
+if needs_commit:
+    commit_to_repo(repo)
+else:
+    print('The translations are up-to-date!')

.github/scripts/i18n.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+# SPDX-FileCopyrightText: 2019 Corentin Noël <tintou@noel.tf>
+# SPDX-FileCopyrightText: 2022 Janet Blackquill <uhhadd@gmail.com>
+#
+# SPDX-License-Identifier: GPL-3.0-only
+
+# adapted from https://github.com/elementary/actions/blob/master/gettext-template/entrypoint.sh
+
+set -e
+
+export DEBIAN_FRONTEND="noninteractive"
+
+# if a custom token is provided, use it instead of the default github token.
+if [ -n "$GIT_USER_TOKEN" ]; then
+  GITHUB_TOKEN="$GIT_USER_TOKEN"
+fi
+
+if [ -z "${GITHUB_TOKEN}" ]; then
+  echo "\033[0;31mERROR: The GITHUB_TOKEN environment variable is not defined.\033[0m"  && exit 1
+fi
+
+# Git repository is owned by another user, mark it as safe
+git config --global --add safe.directory /github/workspace
+
+# get default branch, see: https://davidwalsh.name/get-default-branch-name
+DEFAULT_BRANCH="$(git remote show origin | grep 'HEAD branch' | cut -d' ' -f5)"
+
+if [ -z "${INPUT_TRANSLATION_BRANCH}" ]; then
+  TRANSLATION_BRANCH="${DEFAULT_BRANCH}"
+else
+  TRANSLATION_BRANCH="${INPUT_TRANSLATION_BRANCH}"
+fi
+
+# default email and username to github actions user
+if [ -z "$GIT_USER_EMAIL" ]; then
+  GIT_USER_EMAIL="action@github.com"
+fi
+if [ -z "$GIT_USER_NAME" ]; then
+  GIT_USER_NAME="GitHub Action"
+fi
+
+# make sure branches are up-to-date
+git fetch
+echo "Setting up git credentials..."
+git remote set-url origin https://x-access-token:"$GITHUB_TOKEN"@github.com/"$GITHUB_REPOSITORY".git
+git config --global user.email "$GIT_USER_EMAIL"
+git config --global user.name "$GIT_USER_NAME"
+echo "Git credentials configured."
+
+# get the project's name:
+PROJECT="$(basename "$GITHUB_REPOSITORY")"
+echo "Project: $PROJECT"
+
+sudo apt-get -qq update
+sudo apt-get -qq install python3-git
+
+dotnet tool install --global GetText.NET.Extractor --version 1.6.6
+
+GetText.Extractor --order -s TShock.sln -t i18n/template.pot
+
+python3 .github/scripts/check-diff.py

.github/workflows/ci-otapi3.yml

@@ -33,6 +33,9 @@ jobs:
         with:
           dotnet-version: '6.0.100'
 
+      - name: Install msgfmt
+        run: sudo apt-get install -y gettext
+
       - name: Produce build
         run: |
             cd TShockLauncher

.github/workflows/i18n-extract.yml

@@ -0,0 +1,23 @@
+name: i18n extraction
+on:
+  push:
+    branches: [ general-devel ]
+jobs:
+  extract:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
+
+      - uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: | 
+            3.1.x
+            6.0.100
+
+      - name: Run i18n checking/extraction script
+        run: ./.github/scripts/i18n.sh
+        shell: bash

TShockAPI/Commands.cs

@@ -649,7 +649,7 @@ namespace TShockAPI
 			string cmdName;
 			if (index == 0) // Space after the command specifier should not be supported
 			{
-				player.SendErrorMessage("Invalid command entered. Type {0}help for a list of valid commands.", Specifier);
+				player.SendErrorMessage(I18n.C.GetString("Invalid command entered. Type {0}help for a list of valid commands.", Specifier));
 				return true;
 			}
 			else if (index < 0)
@@ -677,28 +677,28 @@ namespace TShockAPI
 					call(new CommandArgs(cmdText, player, args));
 					return true;
 				}
-				player.SendErrorMessage("Invalid command entered. Type {0}help for a list of valid commands.", Specifier);
+				player.SendErrorMessage(I18n.C.GetString("Invalid command entered. Type {0}help for a list of valid commands.", Specifier));
 				return true;
 			}
 			foreach (Command cmd in cmds)
 			{
 				if (!cmd.CanRun(player))
 				{
-					TShock.Utils.SendLogs(string.Format("{0} tried to execute {1}{2}.", player.Name, Specifier, cmdText), Color.PaleVioletRed, player);
-					player.SendErrorMessage("You do not have access to this command.");
+					TShock.Utils.SendLogs(I18n.C.GetString("{0} tried to execute {1}{2}.", player.Name, Specifier, cmdText), Color.PaleVioletRed, player);
+					player.SendErrorMessage(I18n.C.GetString("You do not have access to this command."));
 					if (player.HasPermission(Permissions.su))
 					{
-						player.SendInfoMessage("You can use '{0}sudo {0}{1}' to override this check.", Specifier, cmdText);
+						player.SendInfoMessage(I18n.C.GetString("You can use '{0}sudo {0}{1}' to override this check.", Specifier, cmdText));
 					}
 				}
 				else if (!cmd.AllowServer && !player.RealPlayer)
 				{
-					player.SendErrorMessage("You must use this command in-game.");
+					player.SendErrorMessage(I18n.C.GetString("You must use this command in-game."));
 				}
 				else
 				{
 					if (cmd.DoLog)
-						TShock.Utils.SendLogs(string.Format("{0} executed: {1}{2}.", player.Name, silent ? SilentSpecifier : Specifier, cmdText), Color.PaleVioletRed, player);
+						TShock.Utils.SendLogs(I18n.C.GetString("{0} executed: {1}{2}.", player.Name, silent ? SilentSpecifier : Specifier, cmdText), Color.PaleVioletRed, player);
 					cmd.Run(cmdText, silent, player, args);
 				}
 			}

TShockAPI/I18n.cs

@@ -0,0 +1,46 @@
+/*
+TShock, a server mod for Terraria
+Copyright (C) 2022 Janet Blackquill
+
+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 3 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/>.
+*/
+
+using System;
+using System.Globalization;
+using System.IO;
+using GetText;
+
+namespace TShockAPI
+{
+	static class I18n {
+		static string TranslationsDirectory => Path.Combine(AppContext.BaseDirectory, "i18n");
+		static CultureInfo TranslationCultureInfo
+		{
+			get
+			{
+				// cross-platform mapping of cultureinfos can be a bit screwy, so give our users
+				// the chance to explicitly spell out which translation they would like to use.
+				// this is an environment variable instead of a flag because this needs to be
+				// valid whether the passed flags are in a sane state or not.
+				if (Environment.GetEnvironmentVariable("TSHOCK_LANGUAGE") is string overrideLang)
+				{
+					return new CultureInfo(overrideLang);
+				}
+				return CultureInfo.CurrentUICulture;
+			}
+		}
+		/// <value>Instance of a <c>GetText.Catalog</c> loaded with TShockAPI translations for user's specified language</value>
+		public static Catalog C = new Catalog("TShockAPI", TranslationsDirectory, TranslationCultureInfo);
+	}
+}

TShockAPI/TShockAPI.csproj

@@ -33,6 +33,7 @@
 
   <ItemGroup>
     <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
+    <PackageReference Include="GetText.NET" Version="1.6.6" />
     <PackageReference Include="MySql.Data" Version="8.0.31" />
     <PackageReference Include="Microsoft.Data.Sqlite" Version="6.0.10" />
   </ItemGroup>

TShockLauncher/TShockLauncher.csproj

@@ -24,6 +24,7 @@
 		<PackageReference Include="MySql.Data" Version="8.0.31" />
 		<PackageReference Include="Microsoft.Data.Sqlite" Version="6.0.10" />
 		<PackageReference Include="ModFramework" Version="1.1.6" GeneratePathProperty="true" /> <!-- only used to extract out to ./bin. -->
+		<PackageReference Include="GetText.NET" Version="1.6.6" /> <!-- only used to extract out to ./bin. -->
 
 		<!-- the launcher doesnt need the direct OTAPI reference, but since PackageReference[ExcludeFromSingleFile] doesnt work, exclude the assets and copy manually -->
 		<PackageReference Include="OTAPI.Upcoming" Version="3.1.14" ExcludeAssets="all" GeneratePathProperty="true" />
@@ -41,6 +42,31 @@
 		</None>
 	</ItemGroup>
 
+	<Target Name="CheckMsgfmtCallable">
+		<Exec Command="msgfmt --help > NUL" IgnoreExitCode="True" Condition=" '$(OS)' == 'Windows_NT' ">
+			<Output TaskParameter="ExitCode" PropertyName="MsgfmtExitCode" />
+		</Exec>
+		<Exec Command="msgfmt --help 2>/dev/null >/dev/null" IgnoreExitCode="True" Condition=" '$(OS)' != 'Windows_NT' ">
+			<Output TaskParameter="ExitCode" PropertyName="MsgfmtExitCode" />
+		</Exec>
+	</Target>
+
+	<!-- The condition for a Target can't come from the values of another target, so instead we have to put the same condition on all three of the items inside. -->
+	<Target
+		Name="GenerateMOFiles"
+		DependsOnTargets="CheckMsgfmtCallable"
+		AfterTargets="PostBuildEvent;Publish"
+		Inputs="..\i18n\**\*.po"
+		Outputs="$(OutDir)i18n\**\*.mo">
+		<ItemGroup Condition="'$(MsgfmtExitCode)' == '0'">
+			<POFiles Include="..\i18n\**\*.po" />
+		</ItemGroup>
+		<MakeDir Directories="$(OutDir)i18n/%(POFiles.RecursiveDir)" Condition="'$(MsgfmtExitCode)' == '0'" />
+		<Exec Command="msgfmt -o $(OutDir)i18n/%(RecursiveDir)%(Filename).mo @(POFiles)" Outputs="$(OutDir)i18n\**\*.mo" Condition="'$(MsgfmtExitCode)' == '0'">
+			<Output ItemName="Generated" TaskParameter="Outputs"/>
+		</Exec>
+	</Target>
+
 	<Target Name="CreateServerPlugins" AfterTargets="PostBuildEvent;Publish">
 		<MakeDir Directories="$(OutDir)ServerPlugins" />
 		<MakeDir Directories="$(PublishDir)ServerPlugins" />
@@ -50,6 +76,12 @@
 		<Copy SourceFiles="@(ApiFiles)" DestinationFolder="$(OutDir)ServerPlugins" ContinueOnError="true" />
 		<Copy SourceFiles="@(ApiFiles)" DestinationFolder="$(PublishDir)ServerPlugins" ContinueOnError="true" />
 	</Target>
+	<Target Name="CopyI18n" AfterTargets="Publish">
+		<ItemGroup>
+			<MOFiles Include="$(OutDir)**/*.mo"/>
+		</ItemGroup>
+		<Copy SourceFiles="@(MOFiles)" DestinationFolder="$(PublishDir)%(RecursiveDir)" />
+	</Target>
 	<Target Name="MoveBin" AfterTargets="Publish">
 		<ItemGroup>
 			<MoveBinaries Include="$(PublishDir)*" Exclude="$(PublishDir)\TShock.Server*" />

i18n/template.pot

@@ -0,0 +1,41 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: TShock\n"
+"POT-Creation-Date: 2022-10-20 00:16:51-0400\n"
+"PO-Revision-Date: 2022-10-20 00:16:51-0400\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: GetText.NET Extractor\n"
+
+#: ../../TShockAPI/Commands.cs:701
+#, csharp-format
+msgid "{0} executed: {1}{2}."
+msgstr ""
+
+#: ../../TShockAPI/Commands.cs:687
+#, csharp-format
+msgid "{0} tried to execute {1}{2}."
+msgstr ""
+
+#: ../../TShockAPI/Commands.cs:652
+#: ../../TShockAPI/Commands.cs:680
+#, csharp-format
+msgid "Invalid command entered. Type {0}help for a list of valid commands."
+msgstr ""
+
+#: ../../TShockAPI/Commands.cs:691
+#, csharp-format
+msgid "You can use '{0}sudo {0}{1}' to override this check."
+msgstr ""
+
+#: ../../TShockAPI/Commands.cs:688
+msgid "You do not have access to this command."
+msgstr ""
+
+#: ../../TShockAPI/Commands.cs:696
+msgid "You must use this command in-game."
+msgstr ""
+

i18n/tok/TShockAPI.po

@@ -0,0 +1,44 @@
+# Janet Blackquill <uhhadd@gmail.com>, 2022.
+msgid ""
+msgstr ""
+"Project-Id-Version: TShock\n"
+"POT-Creation-Date: 2022-10-20 00:16:51-0400\n"
+"PO-Revision-Date: 2022-10-19 23:20-0400\n"
+"Last-Translator: Janet Blackquill <uhhadd@gmail.com>\n"
+"Language-Team: none>\n"
+"Language: tok\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=4; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || n%10>=5 && n%10<=9 || "
+"n%100>=11 && n%100<=14 ? 2 : 3;\n"
+"X-Generator: Lokalize 22.11.70\n"
+
+#: ../../TShockAPI/Commands.cs:701
+#, csharp-format
+msgid "{0} executed: {1}{2}."
+msgstr "jan {0} li kepeken: {1}{2}."
+
+#: ../../TShockAPI/Commands.cs:687
+#, csharp-format
+msgid "{0} tried to execute {1}{2}."
+msgstr "jan {0} li wile kepeken {1}{2}. taso ona li ken ala."
+
+#: ../../TShockAPI/Commands.cs:652 ../../TShockAPI/Commands.cs:680
+#, csharp-format
+msgid "Invalid command entered. Type {0}help for a list of valid commands."
+msgstr "ilo ni li lon ala. sina wile sona e ilo lon la o toki e {0}help."
+
+#: ../../TShockAPI/Commands.cs:691
+#, csharp-format
+msgid "You can use '{0}sudo {0}{1}' to override this check."
+msgstr "sina wile weka e awen pona ni la o kepeken '{0}sudo {0}{1}'."
+
+#: ../../TShockAPI/Commands.cs:688
+msgid "You do not have access to this command."
+msgstr "sina ken ala kepeken ilo ni."
+
+#: ../../TShockAPI/Commands.cs:696
+msgid "You must use this command in-game."
+msgstr "ilo ni li pali lon musi taso."