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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Foniguruma%2F'>oniguruma</a>/<a href='?path=%2Fbig%2FSRC%2Foniguruma%2Fsrc%2F'>src</a>/</p><hr><h3>✏️ Editing: gperf_fold_key_conv.py</h3>  
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            <textarea name='content' rows='20'>#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# gperf_fold_key_conv.py
# Copyright (c) 2016-2023  K.Kosako

import sys
import re

REG_LINE_GPERF = re.compile(&#039;#line .+gperf&quot;&#039;)
REG_HASH_FUNC = re.compile(&#039;hash\s*\(register\s+const\s+char\s*\*\s*str,\s*register\s+size_t\s+len\s*\)&#039;)
REG_STR_AT = re.compile(&#039;str\[(\d+)\]&#039;)
REG_RETURN_TYPE = re.compile(&#039;^const\s+short\s+int\s*\*&#039;)
REG_FOLD_KEY = re.compile(&#039;unicode_fold(\d)_key\s*\(register\s+const\s+char\s*\*\s*str,\s*register\s+size_t\s+len\)&#039;)
REG_ENTRY = re.compile(&#039;\{&quot;.*?&quot;,\s*(-?\d+)\s*\}&#039;)
REG_IF_LEN = re.compile(&#039;\s*if\s*\(\s*len\s*&lt;=\s*MAX_WORD_LENGTH.+&#039;)
REG_GET_HASH = re.compile(&#039;(?:register\s+)?(?:unsigned\s+)?int\s+key\s*=\s*hash\s*\(str,\s*len\);&#039;)
REG_GET_CODE = re.compile(&#039;(?:register\s+)?const\s+char\s*\*\s*s\s*=\s*wordlist\[key\]\.name;&#039;)
REG_CODE_CHECK = re.compile(&#039;if\s*\(\*str\s*==\s*\*s\s*&amp;&amp;\s*!strncmp.+\)&#039;)
REG_RETURN_WL = re.compile(&#039;return\s+&amp;wordlist\[key\];&#039;)
REG_RETURN_0 = re.compile(&#039;return 0;&#039;)

def parse_line(s, key_len):
    s = s.rstrip()

    r = re.sub(REG_LINE_GPERF, &#039;&#039;, s)
    if r != s: return r
    r = re.sub(REG_HASH_FUNC, &#039;hash(OnigCodePoint codes[])&#039;, s)
    if r != s: return r
    r = re.sub(REG_STR_AT, &#039;onig_codes_byte_at(codes, \\1)&#039;, s)
    if r != s: return r
    r = re.sub(REG_RETURN_TYPE, &#039;int&#039;, s)
    if r != s: return r
    r = re.sub(REG_FOLD_KEY, &#039;unicode_fold\\1_key(OnigCodePoint codes[])&#039;, s)
    if r != s: return r
    r = re.sub(REG_ENTRY, &#039;\\1&#039;, s)
    if r != s: return r
    r = re.sub(REG_IF_LEN, &#039;&#039;, s)
    if r != s: return r
    r = re.sub(REG_GET_HASH, &#039;int key = hash(codes);&#039;, s)
    if r != s: return r
    r = re.sub(REG_GET_CODE, &#039;int index = wordlist[key];&#039;, s)
    if r != s: return r
    r = re.sub(REG_CODE_CHECK,
               &#039;if (index &gt;= 0 &amp;&amp; onig_codes_cmp(codes, OnigUnicodeFolds%d + index, %d) == 0)&#039; % (key_len, key_len), s)
    if r != s: return r

    r = re.sub(REG_RETURN_WL, &#039;return index;&#039;, s)
    if r != s: return r
    r = re.sub(REG_RETURN_0, &#039;return -1;&#039;, s)
    if r != s: return r

    return s

def parse_file(f, key_len):
    print(&quot;/* This file was converted by gperf_fold_key_conv.py\n      from gperf output file. */&quot;)

    while True:
        line = f.readline()
        if not line:
            break

        s = parse_line(line, key_len)
        print(s)


# main
argv = sys.argv
argc = len(argv)

key_len = int(argv[1])
parse_file(sys.stdin, key_len)
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