lang.sh:优化识别方案

Author: Numbersf

lang/lang.sh

@@ -1,9 +1,37 @@
 #!/system/bin/sh
 
-LANGUAGE=$(getprop persist.sys.locale | tr '-' '_')
+LANG_DIR="$MODPATH/lang"
+SYSTEM_LOCALE=$(getprop persist.sys.locale | tr '-' '_')
+[ -z "$SYSTEM_LOCALE" ] && SYSTEM_LOCALE="zh_CN"
 
-. "$MODPATH/lang/lang_${LANGUAGE}.sh" \
-  || . "$MODPATH/lang/lang_en_US.sh"
+try_source() {
+  [ -f "$1" ] && . "$1" && return 0
+  return 1
+}
+
+LANGUAGE_LOADED=0
+
+LANG_CODE=$(echo "$SYSTEM_LOCALE" | cut -d_ -f1 | tr 'A-Z' 'a-z')
+LOCALE_SUFFIX=$(echo "$SYSTEM_LOCALE" | cut -s -d_ -f2-)
+
+if [ -n "$LOCALE_SUFFIX" ]; then
+  try_source "$LANG_DIR/lang_${LANG_CODE}_$(echo $LOCALE_SUFFIX | tr 'a-z' 'A-Z').sh" && LANGUAGE_LOADED=1
+fi
+
+if [ "$LANGUAGE_LOADED" -eq 0 ] && [ "$LANG_CODE" = "zh" ] && [ -n "$LOCALE_SUFFIX" ]; then
+  SCRIPT_TYPE=$(echo "$LOCALE_SUFFIX" | cut -d_ -f1)
+  REGION_CODE=$(echo "$LOCALE_SUFFIX" | cut -s -d_ -f2)
+  if [ "$SCRIPT_TYPE" = "Hans" ] || [ "$SCRIPT_TYPE" = "Hant" ]; then
+    [ -n "$REGION_CODE" ] && try_source "$LANG_DIR/lang_${LANG_CODE}_${REGION_CODE}.sh" && LANGUAGE_LOADED=1
+  fi
+fi
+
+if [ "$LANGUAGE_LOADED" -eq 0 ]; then
+  EXISTING_FILE=$(ls "$LANG_DIR"/lang_"$LANG_CODE"_*.sh 2>/dev/null | head -n1)
+  [ -n "$EXISTING_FILE" ] && try_source "$EXISTING_FILE" && LANGUAGE_LOADED=1
+fi
+
+[ "$LANGUAGE_LOADED" -eq 0 ] && . "$LANG_DIR/lang_zh_CN.sh"
 
 msg() {
   eval "echo \"\${$1}\""