URTrator now can be translated.

translator/translator_unix.go

@@ -0,0 +1,90 @@
+// URTator - Urban Terror server browser and game launcher, written in
+// Go.
+//
+// Copyright (c) 2016-2017, Stanislav N. aka pztrn.
+// All rights reserved.
+//
+// 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/>.
+
+// +build !windows
+
+package translator
+
+import (
+    // stdlib
+    "errors"
+    "fmt"
+    "os"
+    "path/filepath"
+    "strings"
+)
+
+// Detect language on Unices.
+func (t *Translator) detectLanguage() {
+    // Use LC_ALL first.
+    t.Language = os.Getenv("LC_ALL")
+    // If LC_ALL is empty - use LANG.
+    if t.Language == "" {
+        t.Language = os.Getenv("LANG")
+    }
+
+    // If still nothing - force "en_US" as default locale. Otherwise
+    // split language string by "." and take first part.
+    // Note: en_US is a default thing, so you will not found anything
+    // in "translations" directory!
+    if t.Language == "" {
+        fmt.Println("No locale data for current user found, using default (en_US)...")
+        t.Language = "en_US"
+    } else {
+        t.Language = strings.Split(t.Language, ".")[0]
+    }
+}
+
+func (t *Translator) detectTranslationsDirectory() error {
+    // Try to use directory near binary.
+    dir, _ := filepath.Abs(filepath.Dir(os.Args[0]))
+    // ..which can be overriden by URTRATOR_BINDIR environment variable.
+    // Useful for developers.
+    envdir := os.Getenv("URTRATOR_BINDIR")
+    if envdir != "" {
+        dir = envdir
+    }
+
+    translations_dir := filepath.Join(dir, "translations")
+    _, err := os.Stat(translations_dir)
+    if err != nil {
+        fmt.Println("Translations wasn't found near binary!")
+        // As we're using JSON translation storage, it should be
+        // put in /usr/share/urtrator/translations by package
+        // maintainers in distros.
+        fmt.Println("Trying /usr/share/urtrator/translations...")
+        _, err := os.Stat("/usr/share/urtrator/translations")
+        if err != nil {
+            t.Language = "en_US"
+            fmt.Println("Translations unavailable, forcing en_US language code")
+        } else {
+            t.translationsPath = "/usr/share/urtrator/translations"
+        }
+    } else {
+        t.translationsPath = translations_dir
+    }
+
+    if t.translationsPath != "" {
+        t.translationsPath = filepath.Join(t.translationsPath, t.Language)
+    } else {
+        return errors.New("No translations directory was detected!")
+    }
+
+    return nil
+}