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#!/usr/bin/python3
import math
from lib import *
MAP = {
'0' : 'NR',
'1' : 'OV',
'6' : 'HANR',
'7' : 'NK',
'8' : 'KV',
'9' : 'VR',
'10' : '10',
'11' : '11',
'12' : '12',
'13' : '13',
'14' : '14',
'15' : '15',
'16' : '16',
'17' : '17',
'18' : '18',
'19' : '19',
'20' : '20',
'21' : '21',
'22' : '22',
'23' : '23',
'24' : '24',
'25' : '25',
'26' : '26',
'27' : '27',
'28' : '28',
'29' : '29',
'30' : '30',
'31' : '31',
'32' : '32',
'33' : '33',
'34' : '34',
'35' : '35',
'36' : '36',
'84' : '84',
'91' : '91',
'103': '103',
'107': '107',
'118': '118',
'122': '122',
'129': '129',
'130': '130',
'132': '132',
'133': '133',
'200': 'ATBL',
'202': 'ATB',
'214': 'ATA',
'216': 'ATAR',
'218': 'BL',
'220': 'B',
'222': 'BR',
'224': 'L',
'226': 'R',
'228': 'AL',
'230': 'A',
'232': 'AR',
'233': 'DB',
'234': 'DA',
'240': 'IS',
}
longest = 0
def parse(file: str) -> list[bool]:
global longest
xs = ['CCC_NR'] * 0x110000
with open(file, 'r') as f:
for line in f.readlines():
parts = line.split(';')
parts[0] = int(parts[0], 16)
if 'First' in parts[1]:
lo = parts[0]
elif 'Last' in parts[1]:
hi = parts[0]
for i in range(lo, hi + 1):
xs[i] = f'CCC_{MAP[parts[3]]}'
longest = max(longest, len(xs[i]))
else:
xs[parts[0]] = f'CCC_{MAP[parts[3]]}'
longest = max(longest, len(xs[parts[0]]))
return xs
def genfile(cs: list[tuple[bool, ...]], blksize: int) -> None:
Cs = cs
cs = list(dict.fromkeys(Cs))
print('''\
/* This file is autogenerated by gen/prop/ccc; DO NOT EDIT. */
#include "unicode/prop.h"
''')
print(f'static constexpr {typename(len(cs) - 1)} stage1[] = {{')
for i, c in enumerate(Cs):
print(f'%c%{len(str(len(cs) - 1))}d,' % ('\t' if i % 16 == 0 else ' ', cs.index(c)), end='')
if i % 16 == 15:
print()
print('};')
print()
ppc = columns(blksize, longest + 1)
print(f'static constexpr enum uprop_ccc stage2[][{blksize}] = {{')
for c in cs:
for i in range(blksize // ppc):
print('\t{' if i == 0 else '\t ', end='')
for j in range(ppc):
print(c[i*ppc + j], end='')
if i < blksize // ppc - 1 or j < ppc - 1:
print(',', end='')
if j < ppc - 1:
print(' ' * (longest + 1 - len(c[i*ppc + j])), end='')
if i < blksize // ppc - 1:
print()
print('},')
print('};')
print()
print(f'''\
enum uprop_ccc
uprop_get_ccc(rune ch)
{{
return stage2[stage1[ch / {blksize}]][ch % {blksize}];
}}''')
def main() -> None:
cwd_init()
sys.stdout = open('lib/unicode/prop/uprop_get_ccc.c', 'w')
xs = parse('data/UnicodeData')
blksize = -1
smallest = math.inf
for bs in powers_of_2():
if bs > len(xs):
break
Cs = [tuple(x) for x in chunks(xs, bs)]
cs = set(Cs)
sz_s1 = len(Cs) * isize(len(cs) - 1)
sz_s2 = len(cs) * bs * 2
sz = sz_s1 + sz_s2
if sz < smallest:
smallest = sz
blksize = bs
Cs = [tuple(x) for x in chunks(xs, blksize)]
genfile(Cs, blksize)
report_size(len(xs), smallest)
if __name__ == '__main__':
main()
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