[libcalamares] Factor out the list of translations

The list of translation codes lives in one place, make it accessible
through a function in Calamares::Locale.

src/calamares/CalamaresApplication.cpp

@@ -10,7 +10,6 @@
 #include "CalamaresApplication.h"
 
 #include "CalamaresConfig.h"
-#include "CalamaresTranslations.h"
 #include "CalamaresVersionX.h"
 #include "CalamaresWindow.h"
 #include "progresstree/ProgressTreeView.h"
@@ -19,6 +18,7 @@
 #include "JobQueue.h"
 #include "Settings.h"
 #include "ViewManager.h"
+#include "locale/TranslationsModel.h"
 #include "modulesystem/ModuleManager.h"
 #include "utils/CalamaresUtilsGui.h"
 #include "utils/CalamaresUtilsSystem.h"
@@ -68,7 +68,7 @@ CalamaresApplication::init()
 {
     Logger::setupLogfile();
     cDebug() << "Calamares version:" << CALAMARES_VERSION;
-    cDebug() << Logger::SubEntry << "languages:" << Calamares::Locale::availableLanguages;
+    cDebug() << Logger::SubEntry << "languages:" << Calamares::Locale::availableLanguages();
 
     if ( !Calamares::Settings::instance() )
     {

src/libcalamares/CMakeLists.txt

@@ -23,15 +23,14 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/CalamaresVersionX.h.in ${CMAKE_CURREN
 set(_names_tu "#ifndef CALAMARES_TRANSLATIONS_H
 #define CALAMARES_TRANSLATIONS_H
 #include <QStringList>
-namespace Calamares {
-namespace Locale {
-static const QStringList availableLanguages{
+namespace {
+static const QStringList availableLanguageList{
 ")
 foreach( l ${CALAMARES_TRANSLATION_LANGUAGES})
     string(APPEND _names_tu "\"${l}\",\n")
 endforeach()
-string(APPEND _names_tu "};\n}} // namespaces\n#endif\n\n")
-file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CalamaresTranslations.h "${_names_tu}")
+string(APPEND _names_tu "};\n} // namespace\n#endif\n\n")
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CalamaresTranslations.cc "${_names_tu}")
 
 add_library(
     calamares

src/libcalamares/locale/Tests.cpp

@@ -13,7 +13,6 @@
 #include "locale/TranslatableConfiguration.h"
 #include "locale/TranslationsModel.h"
 
-#include "CalamaresTranslations.h"
 #include "CalamaresVersion.h"
 #include "GlobalStorage.h"
 #include "utils/Logger.h"
@@ -154,11 +153,11 @@ someLanguages()
 void
 LocaleTests::testTranslatableLanguages()
 {
-    cDebug() << "Translation languages:" << Calamares::Locale::availableLanguages;
+    cDebug() << "Translation languages:" << Calamares::Locale::availableLanguages();
     for ( const auto& language : someLanguages() )
     {
         // Could be QVERIFY, but then we don't see what language code fails
-        QCOMPARE( Calamares::Locale::availableLanguages.contains( language ) ? language : QString(), language );
+        QCOMPARE( Calamares::Locale::availableLanguages().contains( language ) ? language : QString(), language );
     }
 }
 

src/libcalamares/locale/TranslationsModel.cpp

@@ -13,7 +13,7 @@
 
 #include "Lookup.h"
 
-#include "CalamaresTranslations.h"  // For the list of translations
+#include "CalamaresTranslations.cc"  // For the list of translations, generated at build time
 
 namespace Calamares
 {
@@ -139,9 +139,15 @@ TranslationsModel::find( const Translation::Id& id ) const
 TranslationsModel*
 availableTranslations()
 {
-    static TranslationsModel* model = new TranslationsModel( Calamares::Locale::availableLanguages );
+    static TranslationsModel* model = new TranslationsModel( availableLanguageList );
     return model;
 }
 
+const QStringList&
+availableLanguages()
+{
+    return availableLanguageList;
+}
+
 }  // namespace Locale
 }  // namespace Calamares

src/libcalamares/locale/TranslationsModel.h

@@ -74,16 +74,22 @@ private:
 /** @brief Returns a model with all available translations.
  *
  * The translations are set when Calamares is compiled; the list
- * is provided by CMake via the CALAMARES_TRANSLATION_LANGUAGES
- * CMake variable (top-level CMakeLists.txt in Calamares) and
- * compiled into the CalamaresTranslations.h internal header.
- * #define.
+ * of names used can be queried with avalableLanguages().
  *
  * This model is a singleton and can be shared.
  *
  * NOTE: While the model is not typed const, it should be. Do not modify.
  */
 DLLEXPORT TranslationsModel* availableTranslations();
+
+/** @brief The list of names (e.g. en, pt_BR) of available translations.
+ *
+ * The translations are set when Calamares is compiled.
+ * At CMake-time, the list CALAMARES_TRANSLATION_LANGUAGES
+ * is used to create the table.
+ */
+DLLEXPORT const QStringList& availableLanguages();
+
 }  // namespace Locale
 }  // namespace Calamares
 #endif