Stringtable Validator - Check for tabs and correct spacing (#7332)

* Stringtable Validator - Check for tabs and correct spacing

* Improve error descriptions, Cleanup

* Change encoding to utf-8

Co-authored-by: mharis001 <34453221+mharis001@users.noreply.github.com>

addons/medical_gui/stringtable.xml

@@ -869,9 +869,7 @@
             <Chinese>已使用固定板</Chinese>
             <Czech>Dlaha aplikována</Czech>
         </Key>
-        <!--
+        <!--Strings above match Blood2 but seem to differ in some languages, determine which is best to use-->
-            Strings above match Blood2 but seem to differ in some languages, determine which is best to use
-        -->
         <Key ID="STR_ACE_Medical_GUI_Lost_Blood1">
             <English>Lost some blood</English>
             <German>Hat etwas Blut verloren</German>

tools/stringtable_validator.py

@@ -115,6 +115,29 @@ def check_stringtable(filepath):
                 print("  ERROR: Key '{}' is defined {} times.".format(id, count))
                 errors += 1
 
+    # Check whitespace for tabs and correct number of indenting spaces
+    with open(filepath, "r", encoding = "utf-8") as file:
+       spacing_depth = 0
+
+       for line_number, line in enumerate(file, 1):
+           if "\t" in line:
+               print("  ERROR: Found a tab on line {}.".format(line_number))
+               errors += 1
+
+           line_clean = line.lstrip().lower()
+
+           if line_clean.startswith("</key") or line_clean.startswith("</package") or line_clean.startswith("</project") or line_clean.startswith("</container"):
+               spacing_depth -= 4
+
+           line_spacing = len(line) - len(line_clean)
+
+           if line_spacing != spacing_depth:
+               print("  ERROR: Incorrect number of indenting spaces on line {}, currently {}, should be {}.".format(line_number, line_spacing, spacing_depth))
+               errors += 1
+
+           if line_clean.startswith("<key") or line_clean.startswith("<package") or line_clean.startswith("<project") or line_clean.startswith("<container"):
+               spacing_depth += 4
+
     return errors