1#!/usr/bin/python 2# -*- coding: utf-8 -*- 3# gperf_unfold_key_conv.py 4# Copyright (c) 2016-2018 K.Kosako 5 6import sys 7import re 8 9REG_LINE_GPERF = re.compile('#line .+gperf"') 10REG_HASH_FUNC = re.compile('hash\s*\(register\s+const\s+char\s*\*\s*str,\s*register\s+size_t\s+len\s*\)') 11REG_STR_AT = re.compile('str\[(\d+)\]') 12REG_UNFOLD_KEY = re.compile('onigenc_unicode_unfold_key\s*\(register\s+const\s+char\s*\*\s*str,\s*register\s+size_t\s+len\)') 13REG_ENTRY = re.compile('\{".+?",\s*/\*(.+?)\*/\s*(-?\d+),\s*(\d)\}') 14REG_EMPTY_ENTRY = re.compile('\{"",\s*(-?\d+),\s*(\d)\}') 15REG_IF_LEN = re.compile('\s*if\s*\(\s*len\s*<=\s*MAX_WORD_LENGTH.+') 16REG_GET_HASH = re.compile('(?:register\s+)?(?:unsigned\s+)?int\s+key\s*=\s*hash\s*\(str,\s*len\);') 17REG_GET_CODE = re.compile('(?:register\s+)?const\s+char\s*\*\s*s\s*=\s*wordlist\[key\]\.name;') 18REG_CODE_CHECK = re.compile('if\s*\(\*str\s*==\s*\*s\s*&&\s*!strncmp.+\)') 19 20def parse_line(s): 21 s = s.rstrip() 22 23 r = re.sub(REG_LINE_GPERF, '', s) 24 if r != s: return r 25 r = re.sub(REG_HASH_FUNC, 'hash(OnigCodePoint codes[])', s) 26 if r != s: return r 27 r = re.sub(REG_STR_AT, 'onig_codes_byte_at(codes, \\1)', s) 28 if r != s: return r 29 r = re.sub(REG_UNFOLD_KEY, 'onigenc_unicode_unfold_key(OnigCodePoint code)', s) 30 if r != s: return r 31 r = re.sub(REG_ENTRY, '{\\1, \\2, \\3}', s) 32 if r != s: return r 33 r = re.sub(REG_EMPTY_ENTRY, '{0xffffffff, \\1, \\2}', s) 34 if r != s: return r 35 r = re.sub(REG_IF_LEN, '', s) 36 if r != s: return r 37 r = re.sub(REG_GET_HASH, 'int key = hash(&code);', s) 38 if r != s: return r 39 r = re.sub(REG_GET_CODE, 'OnigCodePoint gcode = wordlist[key].code;', s) 40 if r != s: return r 41 r = re.sub(REG_CODE_CHECK, 'if (code == gcode && wordlist[key].index >= 0)', s) 42 if r != s: return r 43 44 return s 45 46def parse_file(f): 47 print "/* This file was converted by gperf_unfold_key_conv.py\n from gperf output file. */" 48 49 line = f.readline() 50 while line: 51 s = parse_line(line) 52 print s 53 line = f.readline() 54 55 56# main 57parse_file(sys.stdin) 58