[pango/pango-1-44] Update gen-break-table.py for Unicode 13

[Marco Trevisan <marcotrevi src gnome org>]

commit f288eaafcccddde2f91606ca8f0785d9fd1b691b
Author: Peng Wu <pwu redhat com>
Date:   Fri Feb 21 15:24:25 2020 +0800

    Update gen-break-table.py for Unicode 13
    
    (cherry-picked from commit 2ac57751)

 tools/gen-break-table.py | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)
---
diff --git a/tools/gen-break-table.py b/tools/gen-break-table.py
index 2c8a7d70..5d346c8c 100755
--- a/tools/gen-break-table.py
+++ b/tools/gen-break-table.py
@@ -9,20 +9,21 @@ from collections import OrderedDict
 header = []
 ranges = OrderedDict()
 
-def load_data(filename):
+def load_data(filename, prefix=""):
         global header, ranges
         f = open(filename)
         lines = f.readlines()
         for line in lines:
-                header.append(line)
                 if not line.startswith("#"):
                         break
+                header.append(line)
 
         for line in lines:
                line = line.strip()
                if not line or line[0] == '#':
                        continue
                rang, typ = [s.strip() for s in line.split('#')[0].split(';')[:2]]
+               typ = prefix + typ
 
                rang = [int(s, 16) for s in rang.split('..')]
                if len(rang) > 1:
@@ -87,6 +88,7 @@ def print_ranges(ranges):
 def print_balanced_search(ranges):
         if 4 >= len(ranges):
                 print_ranges(ranges)
+                print("return FALSE;")
                 return
 
         length = len(ranges)
@@ -116,7 +118,7 @@ def print_table():
         print("/*")
         print(" * The following tables are generated by running:")
         print(" *")
-        print(" *   ./gen-break-table.py SentenceBreakProperty.txt IndicSyllabicCategory.txt | indent")
+        print(" *   ./gen-break-table.py SentenceBreakProperty.txt IndicSyllabicCategory.txt 
EastAsianWidth.txt | indent")
         print(" *")
         print(" * on files with these headers:")
         print(" *")
@@ -132,14 +134,22 @@ def print_table():
 
         for typ,s in ranges.items():
                if typ not in ['STerm',
-                              'Virama',
-                              'Vowel_Dependent']: continue
+                              'Virama',
+                              'Vowel_Dependent',
+                              'Consonant_Prefixed',
+                              'Consonant_Preceding_Repha']: continue
                print()
                print("static inline gboolean _pango_is_%s (gunichar wc)" % typ)
                print("{")
-                print_balanced_search(sorted(s))
+               print_balanced_search(sorted(s))
                print("}")
 
+        s = ranges["EastAsian_F"] + ranges["EastAsian_W"] + ranges["EastAsian_H"]
+        print("static inline gboolean _pango_is_EastAsianWide (gunichar wc)")
+        print("{")
+        print_balanced_search(sorted(s))
+        print("}")
+
         print()
         print("#endif /* PANGO_BREAK_TABLE_H */")
         print()
@@ -147,10 +157,11 @@ def print_table():
 
 
 if __name__ == "__main__":
-        if len (sys.argv) != 3:
-               print("usage: ./gen-break-table.py SentenceBreakProperty.txt IndicSyllabicCategory.txt | 
indent", file=sys.stderr)
+        if len (sys.argv) != 4:
+               print("usage: ./gen-break-table.py SentenceBreakProperty.txt IndicSyllabicCategory.txt 
EastAsianWidth.txt | indent", file=sys.stderr)
                sys.exit (1)
 
         load_data(sys.argv[1])
         load_data(sys.argv[2])
+        load_data(sys.argv[3], "EastAsian_")
         print_table()