David Corbett
4 years ago
committed by
ebraminio
parent
6f754852c1
commit
7bffb5d7ba
7 changed files with 158 additions and 34 deletions
@ -0,0 +1,104 @@ |
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#!/usr/bin/env python3 |
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"""usage: ./gen-arabic-joining-table.py ArabicShaping.txt Scripts.txt |
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Input files: |
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* https://unicode.org/Public/UCD/latest/ucd/ArabicShaping.txt |
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* https://unicode.org/Public/UCD/latest/ucd/Scripts.txt |
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""" |
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import os.path, sys |
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if len (sys.argv) != 3: |
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sys.exit (__doc__) |
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files = [open (x, encoding='utf-8') for x in sys.argv[1:]] |
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headers = [[f.readline (), f.readline ()] for f in files] |
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while files[0].readline ().find ('##################') < 0: |
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pass |
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def read (f): |
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mapping = {} |
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for line in f: |
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j = line.find ('#') |
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if j >= 0: |
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line = line[:j] |
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fields = [x.strip () for x in line.split (';')] |
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if len (fields) == 1: |
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continue |
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uu = fields[0].split ('..') |
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start = int (uu[0], 16) |
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if len (uu) == 1: |
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end = start |
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else: |
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end = int (uu[1], 16) |
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t = fields[1] |
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for u in range (start, end + 1): |
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mapping[u] = t |
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return mapping |
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def read_joining_uu (f): |
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values = set () |
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for line in f: |
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if line[0] == '#': |
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continue |
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fields = [x.strip () for x in line.split (';')] |
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if len (fields) == 1: |
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continue |
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values.add (int (fields[0], 16)) |
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return sorted (values) |
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def print_has_arabic_joining (scripts, joining_uu): |
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print ("static bool") |
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print ("has_arabic_joining (hb_script_t script)") |
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print ("{") |
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print (" /* List of scripts that have data in arabic-table. */") |
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print (" switch ((int) script)") |
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print (" {") |
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for script in sorted ({scripts[u] for u in joining_uu if scripts[u] not in {'Common', 'Inherited'}}): |
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print (" case HB_SCRIPT_{}:".format (script.upper ())) |
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print (" return true;") |
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print () |
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print (" default:") |
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print (" return false;") |
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print (" }") |
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print ("}") |
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print () |
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print ("/* == Start of generated function == */") |
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print ("/*") |
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print (" * The following function is generated by running:") |
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print (" *") |
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print (" * ./gen-arabic-joining-list.py ArabicShaping.txt Scripts.txt") |
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print (" *") |
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print (" * on files with these headers:") |
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print (" *") |
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for h in headers: |
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for l in h: |
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print (" * %s" % (l.strip ())) |
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print (" */") |
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print () |
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print ("#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH") |
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print ("#define HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH") |
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print () |
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print_has_arabic_joining (read (files[1]), read_joining_uu (files[0])) |
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print () |
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print ("#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH */") |
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print () |
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print ("/* == End of generated function == */") |
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@ -0,0 +1,47 @@ |
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/* == Start of generated function == */ |
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/*
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* The following function is generated by running: |
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* |
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* ./gen-arabic-joining-list.py ArabicShaping.txt Scripts.txt |
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* |
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* on files with these headers: |
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* |
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* # ArabicShaping-13.0.0.txt |
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* # Date: 2020-01-31, 23:55:00 GMT [KW, RP] |
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* # Scripts-13.0.0.txt |
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* # Date: 2020-01-22, 00:07:43 GMT |
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*/ |
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#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH |
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#define HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH |
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static bool |
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has_arabic_joining (hb_script_t script) |
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{ |
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/* List of scripts that have data in arabic-table. */ |
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switch ((int) script) |
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{ |
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case HB_SCRIPT_ADLAM: |
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case HB_SCRIPT_ARABIC: |
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case HB_SCRIPT_CHORASMIAN: |
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case HB_SCRIPT_HANIFI_ROHINGYA: |
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case HB_SCRIPT_KAITHI: |
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case HB_SCRIPT_MANDAIC: |
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case HB_SCRIPT_MANICHAEAN: |
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case HB_SCRIPT_MONGOLIAN: |
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case HB_SCRIPT_NKO: |
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case HB_SCRIPT_PHAGS_PA: |
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case HB_SCRIPT_PSALTER_PAHLAVI: |
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case HB_SCRIPT_SOGDIAN: |
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case HB_SCRIPT_SYRIAC: |
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return true; |
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default: |
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return false; |
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} |
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} |
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#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH */ |
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/* == End of generated function == */ |
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