Qt: Backport glyph range improvements from PCSX2

src/duckstation-qt/translations/update_glyph_ranges.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+
+import os
+import re
+import xml.etree.ElementTree as ET
+
+languages_to_update = [
+    "ja",
+    "ko",
+    "zh-cn",
+]
+
+src_path = os.path.join(os.path.dirname(__file__), "..", "qttranslations.cpp")
+ts_dir = os.path.join(os.path.dirname(__file__))
+
+def parse_xml(path):
+    tree = ET.parse(path)
+    root = tree.getroot()
+    translations = ""
+    for node in root.findall("context/message/translation"):
+        if node.text:
+            translations += node.text
+
+    ords = list(set([ord(ch) for ch in translations if ord(ch) >= 0x2000]))
+    if len(ords) == 0:
+        return ""
+
+    # Try to organize it into ranges
+    ords.sort()
+    ord_pairs = []
+    start_ord = None
+    last_ord = None
+    for nord in ords:
+        if start_ord is not None and nord == (last_ord + 1):
+            last_ord = nord
+            continue
+        if start_ord is not None:
+            ord_pairs.append(start_ord)
+            ord_pairs.append(last_ord)
+        start_ord = nord
+        last_ord = nord
+
+    if start_ord is not None:
+        ord_pairs.append(start_ord)
+        ord_pairs.append(last_ord)
+
+    chars = "".join([chr(ch) for ch in ord_pairs])
+    return chars
+
+def update_src_file(ts_file, chars):
+    ts_name = os.path.basename(ts_file)
+    pattern = re.compile('(// auto update.*' + ts_name + '.*\n[^"]+")[^"]*(".*)')
+    with open(src_path, "r", encoding="utf-8") as f:
+        original = f.read()
+        update = pattern.sub("\\1" + chars + "\\2", original)
+    if original != update:
+        with open(src_path, "w", encoding="utf-8") as f:
+            f.write(update)
+        print(f"Updated character list for {ts_file}.")
+    else:
+        print(f"Character list is unchanged for {ts_file}.")
+
+if __name__ == "__main__":
+    for language in languages_to_update:
+        ts_file = os.path.join(ts_dir, f"duckstation-qt_{language}.ts")
+        chars = parse_xml(ts_file)
+        print(f"{language}: {len(chars)} character(s) detected.")
+        update_src_file(ts_file, chars)