Add support for custom NLS (without gettext).

Add configure flag --enable-customnls
Add empty directory in data/translations/manaplus for suctom translations
(po files from /po directory)

9 files changed, 48 insertions, 4 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 183e7730c..cf4280eca 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,6 +18,11 @@ dyecmd_CXXFLAGS += -DENABLE_PORTABLE
 manaplus_CXXFLAGS += -DENABLE_PORTABLE
 endif
 
+if ENABLE_CUSTOMNLS
+dyecmd_CXXFLAGS += -DENABLE_CUSTOMNLS
+manaplus_CXXFLAGS += -DENABLE_CUSTOMNLS
+endif
+
 if ENABLE_CHECKPLUGIN
 dyecmd_CXXFLAGS += -DENABLE_CHECKPLUGIN -fplugin=../build/checkplugin.so -fplugin-arg-checkplugin-command=detectnullpointers
 manaplus_CXXFLAGS += -DENABLE_CHECKPLUGIN -fplugin=../build/checkplugin.so -fplugin-arg-checkplugin-command=detectnullpointers
diff --git a/src/client.cpp b/src/client.cpp
index 04262b45c..6506c9241 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -246,6 +246,7 @@ void Client::testsInit()
         Dirs::initLocalDataDir();
         Dirs::initTempDir();
         Dirs::initConfigDir();
+        GettextHelper::initLang();
     }
 }
 
@@ -376,6 +377,9 @@ void Client::gameInit()
     // Add the local data directory to PhysicsFS search path
     resourceManager->addToSearchPath(settings.localDataDir, Append_false);
     TranslationManager::loadCurrentLang();
+#ifdef ENABLE_CUSTOMNLS
+    TranslationManager::loadGettextLang();
+#endif
 
     WindowManager::initTitle();
 
diff --git a/src/dyetool/client.cpp b/src/dyetool/client.cpp
index d6d918662..8812b770b 100644
--- a/src/dyetool/client.cpp
+++ b/src/dyetool/client.cpp
@@ -255,6 +255,9 @@ void Client::gameInit()
     // Add the local data directory to PhysicsFS search path
     resourceManager->addToSearchPath(settings.localDataDir, Append_false);
     TranslationManager::loadCurrentLang();
+#ifdef ENABLE_CUSTOMNLS
+    TranslationManager::loadGettextLang();
+#endif
 
     WindowManager::initTitle();
 
diff --git a/src/utils/gettext.h b/src/utils/gettext.h
index 392980fe8..d4b8938b5 100644
--- a/src/utils/gettext.h
+++ b/src/utils/gettext.h
@@ -34,12 +34,22 @@
 #define _(s) (const_cast <char*>(gettext(s)))
 #define N_(s) (const_cast <char*>(s))
 
-#else
+#elif defined(ENABLE_CUSTOMNLS)  // ENABLE_NLS
+
+#include "utils/translation/podict.h"
+
+#define gettext(s) const_cast <char*>(mainTranslator->getChar(s))
+#define _(s) const_cast <char*>(mainTranslator->getChar(s))
+#define N_(s) (const_cast <char*>(s))
+#define ngettext(s1, s2, i1) const_cast <char*>(mainTranslator->getChar(s1))
+
+#else  // ENABLE_NLS
+
 #define gettext(s) (const_cast <char*>(s))
 #define _(s) (const_cast <char*>(s))
 #define N_(s) (const_cast <char*>(s))
 #define ngettext(s1, s2, i1) (const_cast <char*>(s1))
 
-#endif
+#endif  // ENABLE_NLS
 
 #endif  // UTILS_GETTEXT_H
diff --git a/src/utils/gettexthelper.cpp b/src/utils/gettexthelper.cpp
index c93e0d97d..336cd3307 100644
--- a/src/utils/gettexthelper.cpp
+++ b/src/utils/gettexthelper.cpp
@@ -33,8 +33,10 @@
 #ifdef WIN32
 #include <string>
 extern "C" char const *_nl_locale_name_default(void);
-#endif
-#endif
+#endif  // WIN32
+#elif defined(ENABLE_CUSTOMNLS)
+#include "utils/translation/podict.h"
+#endif  // ENABLE_NLS
 
 #include "debug.h"
 
@@ -97,6 +99,8 @@ void GettextHelper::initLang()
     }
     bind_textdomain_codeset("manaplus", "UTF-8");
     textdomain("manaplus");
+#elif defined(ENABLE_CUSTOMNLS)
+    mainTranslator = new PoDict("en");
 #endif  // ENABLE_NLS
 }
 
diff --git a/src/utils/translation/podict.cpp b/src/utils/translation/podict.cpp
index 8aca50880..ba199a6d6 100644
--- a/src/utils/translation/podict.cpp
+++ b/src/utils/translation/podict.cpp
@@ -25,6 +25,9 @@
 std::string empty;
 
 PoDict *translator = nullptr;
+#ifdef ENABLE_CUSTOMNLS
+PoDict *mainTranslator = nullptr;
+#endif
 
 PoDict::PoDict(std::string lang) :
     mPoLines(),
diff --git a/src/utils/translation/podict.h b/src/utils/translation/podict.h
index 4153835bd..73948aeb4 100644
--- a/src/utils/translation/podict.h
+++ b/src/utils/translation/podict.h
@@ -61,5 +61,8 @@ class PoDict final
 };
 
 extern PoDict *translator;
+#ifdef ENABLE_CUSTOMNLS
+extern PoDict *mainTranslator;
+#endif
 
 #endif  // UTILS_TRANSLATION_PODICT_H
diff --git a/src/utils/translation/translationmanager.cpp b/src/utils/translation/translationmanager.cpp
index 01f38e57f..4fa233990 100644
--- a/src/utils/translation/translationmanager.cpp
+++ b/src/utils/translation/translationmanager.cpp
@@ -44,6 +44,14 @@ void TranslationManager::loadCurrentLang()
     translator = loadLang(getLang(), "help/", translator);
 }
 
+#ifdef ENABLE_CUSTOMNLS
+void TranslationManager::loadGettextLang()
+{
+    delete mainTranslator;
+    mainTranslator = loadLang(getLang(), "manaplus/");
+}
+#endif
+
 void TranslationManager::close()
 {
     delete2(translator);
diff --git a/src/utils/translation/translationmanager.h b/src/utils/translation/translationmanager.h
index e6e56dd4a..e228b1e75 100644
--- a/src/utils/translation/translationmanager.h
+++ b/src/utils/translation/translationmanager.h
@@ -41,6 +41,10 @@ class TranslationManager final
 
         static void loadCurrentLang();
 
+#ifdef ENABLE_CUSTOMNLS
+        static void loadGettextLang();
+#endif
+
         static bool translateFile(const std::string &fileName,
                                   PoDict *const dict,
                                   StringVect &lines);