From 77af9ab92b1a02a4a833093fd16918d91ffe7ee9 Mon Sep 17 00:00:00 2001
From: Joachim LF <joachimlf@pm.me>
Date: Mon, 6 Apr 2020 18:06:44 +0200
Subject: [PATCH] I18NWarn

---
 apps/Makefile      |  2 +-
 apps/i18n.py       | 44 +++++++++++++++++++++++++++++++++++++-------
 kandinsky/Makefile |  2 ++
 3 files changed, 40 insertions(+), 8 deletions(-)

diff --git a/apps/Makefile b/apps/Makefile
index f31363b31..ee63f399b 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -80,7 +80,7 @@ $(eval $(call rule_for, \
   I18N, \
   apps/i18n.cpp, \
   $(i18n_files), \
-  $$(PYTHON) apps/i18n.py --header $$(subst .cpp,.h,$$@) --implementation $$@ --locales $$(EPSILON_I18N) --files $$^, \
+  $$(PYTHON) apps/i18n.py --codepoints $(code_points) --header $$(subst .cpp,.h,$$@) --implementation $$@ --locales $$(EPSILON_I18N) --files $$^, \
   global \
 ))
 
diff --git a/apps/i18n.py b/apps/i18n.py
index b6e5dcdca..6ed920a40 100644
--- a/apps/i18n.py
+++ b/apps/i18n.py
@@ -12,6 +12,19 @@ import unicodedata
 import argparse
 import io
 
+
+parser = argparse.ArgumentParser(description="Process some i18n files.")
+parser.add_argument('--header', help='the .h file to generate')
+parser.add_argument('--implementation', help='the .cpp file to generate')
+parser.add_argument('--locales', nargs='+', help='locale to actually generate')
+parser.add_argument('--codepoints', help='the code_points.h file')
+parser.add_argument('--files', nargs='+', help='an i18n file')
+
+args = parser.parse_args()
+
+def has_glyph(glyph):
+    return glyph in codepoints
+
 def source_definition(i18n_string):
     s = unicodedata.normalize("NFKD", i18n_string)
     result = u"\""
@@ -29,6 +42,9 @@ def source_definition(i18n_string):
             # Remove the uppercase characters with combining chars
             checkForCombining = s[i].isupper()
             result = result + s[i]
+        if not has_glyph(s[i]):
+            sys.stderr.write(s[i] + " (" + str(hex(ord(s[i]))) + ") is not a character present in " + args.codepoints + " . Exiting !\n")
+            sys.exit(-1)
         i = i+1
     result = result + u"\""
     return result.encode("utf-8")
@@ -73,6 +89,27 @@ def parse_files(files):
                 data[locale][name] = definition
     return {"messages": sorted(messages), "universal_messages": sorted(universal_messages), "data": data}
 
+def parse_codepoints(file):
+    codepoints = []
+    with io.open(file, "r", encoding='utf-8') as file:
+        IsCodePoint = False
+        for line in file:
+            if "};" in line:
+                IsCodePoint = False
+            if IsCodePoint:
+                start = line.find('0x')
+                stop = line.find(',')
+                if not (start == -1 or stop == -1):
+                    hexstring = line[start:stop]
+                    value = int(hexstring, 16)
+                    char = chr(value)
+                    codepoints.append(char)
+            if "CodePoints[]" in line:
+                IsCodePoint = True
+    return codepoints
+
+codepoints = parse_codepoints(args.codepoints)
+
 def print_header(data, path, locales):
     f = open(path, "w")
     f.write("#ifndef APPS_I18N_H\n")
@@ -175,13 +212,6 @@ def print_implementation(data, path, locales):
     f.write("}\n")
     f.close()
 
-parser = argparse.ArgumentParser(description="Process some i18n files.")
-parser.add_argument('--header', help='the .h file to generate')
-parser.add_argument('--implementation', help='the .cpp file to generate')
-parser.add_argument('--locales', nargs='+', help='locale to actually generate')
-parser.add_argument('--files', nargs='+', help='an i18n file')
-
-args = parser.parse_args()
 data = parse_files(args.files)
 if args.header:
     print_header(data, args.header, args.locales)
diff --git a/kandinsky/Makefile b/kandinsky/Makefile
index 0deb00a90..1e1ad24ff 100644
--- a/kandinsky/Makefile
+++ b/kandinsky/Makefile
@@ -25,6 +25,8 @@ tests_src += $(addprefix kandinsky/test/,\
   rect.cpp\
 )
 
+code_points = kandinsky/fonts/code_points.h
+
 RASTERIZER_CFLAGS := -std=c99 $(shell pkg-config freetype2 --cflags)
 RASTERIZER_LDFLAGS := $(shell pkg-config freetype2 --libs)