Regenerate the ICAO ranges table based on data extracted from Annex 10.

tools/extract-icao-ranges.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import subprocess
+import re
+
+command = [
+    'pdftotext', 
+    '-layout',
+    '-f', '187',
+    '-l', '191',
+    '-enc', 'ASCII7',
+    'adsb-AN10_V3_cons.pdf',
+    '-'
+]
+main_line = re.compile(r' ([^*]+?)\s+\*\s+([01-]{4})\s+([01-]{2})\s+([01-]{3})\s+([01-]{3})\s+([01-]{2})\s+([-]{10})\s*')
+continuation_line = re.compile(r'  ([^ ].*)\s*')
+
+def scan():
+    matches = []
+
+    process = subprocess.Popen(command,
+                               stdin=subprocess.DEVNULL,
+                               stdout=subprocess.PIPE)
+    match = None
+    for line in process.stdout:
+        line = line.decode('ascii')
+        if match:
+            cmatch = continuation_line.match(line)
+            if cmatch:
+                country = match.group(1) + ' ' + cmatch.group(1)
+            else:
+                country = match.group(1)
+
+            matches.append((country, 
+                            match.group(2) + match.group(3) +
+                            match.group(4) + match.group(5) +
+                            match.group(6) + match.group(7)))
+
+            if cmatch:
+                match = None
+                continue
+
+        match = main_line.match(line)
+
+    if match:
+        matches.append((match.group(1),
+                        match.group(2) + match.group(3) +
+                        match.group(4) + match.group(5) +
+                        match.group(6) + match.group(7)))
+
+    return matches
+
+if __name__ == '__main__':
+    matches = scan()
+
+    print ('var ICAO_Ranges = [');
+
+    for country, assignment in matches:
+        low = int(assignment.replace('-', '0'), 2)
+        high = int(assignment.replace('-', '1'), 2)
+        print('        {{ start: 0x{low:06X}, end: 0x{high:06X}, country: "{country}", flag_image: "{flag}" }},'.format(
+            low=low,
+            high=high,
+            country=country,
+            flag=country.replace(' ','_').replace("'","").replace('-','_') + '.png'))
+    print ('];')