blob: 8177c20260ba2c250350d78e98bedb36f71b9327 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#!/usr/bin/perl
#
# Generate sorted list of non-overlapping intervals of non-spacing
# characters, using Unicode data files as input. Pass UnicodeData.txt
# as argument. The output is on stdout.
#
# Copyright (c) 2019-2022, PostgreSQL Global Development Group
use strict;
use warnings;
my $range_start = undef;
my $codepoint;
my $prev_codepoint;
my $count = 0;
print
"/* generated by src/common/unicode/generate-unicode_combining_table.pl, do not edit */\n\n";
print "static const struct mbinterval combining[] = {\n";
foreach my $line (<ARGV>)
{
chomp $line;
my @fields = split ';', $line;
$codepoint = hex $fields[0];
if ($fields[2] eq 'Me' || $fields[2] eq 'Mn')
{
# combining character, save for start of range
if (!defined($range_start))
{
$range_start = $codepoint;
}
}
else
{
# not a combining character, print out previous range if any
if (defined($range_start))
{
printf "\t{0x%04X, 0x%04X},\n", $range_start, $prev_codepoint;
$range_start = undef;
}
}
}
continue
{
$prev_codepoint = $codepoint;
}
print "};\n";
|
