updated chapter 4 and appendix-A files

04-text-byte/zwj_sample.py

@@ -0,0 +1,28 @@
+from unicodedata import name
+
+zwg_sample = """
+1F468 200D 1F9B0            |man: red hair                      |E11.0
+1F9D1 200D 1F91D 200D 1F9D1 |people holding hands               |E12.0
+1F3CA 1F3FF 200D 2640 FE0F  |woman swimming: dark skin tone     |E4.0
+1F469 1F3FE 200D 2708 FE0F  |woman pilot: medium-dark skin tone |E4.0
+1F468 200D 1F469 200D 1F467 |family: man, woman, girl           |E2.0
+1F3F3 FE0F 200D 26A7 FE0F   |transgender flag                   |E13.0
+1F469 200D 2764 FE0F 200D 1F48B 200D 1F469 |kiss: woman, woman  |E2.0
+"""
+
+markers = {'\u200D': 'ZWG', # ZERO WIDTH JOINER
+           '\uFE0F': 'V16', # VARIATION SELECTOR-16
+          }
+
+for line in zwg_sample.strip().split('\n'):
+    code, descr, version = (s.strip() for s in line.split('|'))
+    chars = [chr(int(c, 16)) for c in code.split()]
+    print(''.join(chars), version, descr, sep='\t', end='')
+    while chars:
+        char = chars.pop(0)
+        if char in markers:
+            print(' + ' + markers[char], end='')
+        else:
+            ucode = f'U+{ord(char):04X}'
+            print(f'\n\t{char}\t{ucode}\t{name(char)}', end='')
+    print()