Locale: refactor

src/detection/locale/locale.c

@@ -0,0 +1,60 @@
+#include "detection/locale/locale.h"
+
+#include "common/properties.h"
+#include "common/parsing.h"
+#include <stdlib.h>
+#include <locale.h>
+
+static void getLocaleFromEnv(FFstrbuf* locale)
+{
+    ffStrbufAppendS(locale, getenv("LANG"));
+    if(locale->length > 0)
+        return;
+
+    ffStrbufAppendS(locale, getenv("LC_ALL"));
+    if(locale->length > 0)
+        return;
+
+    ffStrbufAppendS(locale, getenv("LC_MESSAGES"));
+}
+
+static void getLocaleFromStdFn(FFstrbuf* locale)
+{
+    ffStrbufAppendS(locale, setlocale(LC_ALL, NULL));
+
+    #ifdef LC_MESSAGES
+    if(locale->length > 0)
+        return;
+
+    ffStrbufAppendS(locale, setlocale(LC_MESSAGES, NULL));
+    #endif
+}
+
+void ffDetectLocale(FFstrbuf* result)
+{
+    #if !(defined(__APPLE__) || defined(_WIN32))
+
+        //Ubuntu (and deriviates) use a non standard locale file.
+        //Parse it first, because on distributions where it exists, it takes precedence.
+        //Otherwise use the standard etc/locale.conf file.
+        ffParsePropFile(FASTFETCH_TARGET_DIR_ETC"/default/locale", "LANG =", result);
+
+        if(result->length > 0)
+            return;
+
+        ffParsePropFile(FASTFETCH_TARGET_DIR_ETC"/locale.conf", "LANG =", result);
+        if(result->length > 0)
+            return;
+
+    #endif
+
+    #ifndef _WIN32
+
+        getLocaleFromEnv(result);
+        if(result->length > 0)
+            return;
+
+    #endif
+
+    getLocaleFromStdFn(result);
+}

src/detection/locale/locale.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#ifndef FF_INCLUDED_detection_locale_locale
+#define FF_INCLUDED_detection_locale_locale
+
+#include "fastfetch.h"
+
+void ffDetectLocale(FFstrbuf* result);
+
+#endif