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import sys |
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import re |
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REG_LINE_GPERF = re.compile('#line .+gperf"') |
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REG_HASH_FUNC = re.compile('hash\s*\(register\s+const\s+char\s*\*\s*str,\s*register\s+unsigned\s+int\s+len\s*\)') |
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REG_STR_AT = re.compile('str\[(\d+)\]') |
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REG_UNFOLD_KEY = re.compile('unicode_unfold_key\s*\(register\s+const\s+char\s*\*\s*str,\s*register\s+unsigned\s+int\s+len\)') |
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REG_ENTRY = re.compile('\{".+?",\s*/\*(.+?)\*/\s*(-?\d+),\s*(\d)\}') |
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REG_EMPTY_ENTRY = re.compile('\{"",\s*(-?\d+),\s*(\d)\}') |
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REG_IF_LEN = re.compile('if\s*\(\s*len\s*<=\s*MAX_WORD_LENGTH.+') |
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REG_GET_HASH = re.compile('(?:register\s+)?(?:unsigned\s+)?int\s+key\s*=\s*hash\s*\(str,\s*len\);') |
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REG_GET_CODE = re.compile('(?:register\s+)?const\s+char\s*\*\s*s\s*=\s*wordlist\[key\]\.name;') |
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REG_CODE_CHECK = re.compile('if\s*\(\*str\s*==\s*\*s\s*&&\s*!strncmp.+\)') |
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def parse_line(s): |
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s = s.rstrip() |
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r = re.sub(REG_LINE_GPERF, '', s) |
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if r != s: return r |
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r = re.sub(REG_HASH_FUNC, 'hash(OnigCodePoint codes[])', s) |
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if r != s: return r |
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r = re.sub(REG_STR_AT, 'onig_codes_byte_at(codes, \\1)', s) |
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if r != s: return r |
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r = re.sub(REG_UNFOLD_KEY, 'unicode_unfold_key(OnigCodePoint code)', s) |
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if r != s: return r |
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r = re.sub(REG_ENTRY, '{\\1, \\2, \\3}', s) |
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if r != s: return r |
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r = re.sub(REG_EMPTY_ENTRY, '{0xffffffff, \\1, \\2}', s) |
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if r != s: return r |
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r = re.sub(REG_IF_LEN, 'if (0 == 0)', s) |
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if r != s: return r |
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r = re.sub(REG_GET_HASH, 'int key = hash(&code);', s) |
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if r != s: return r |
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r = re.sub(REG_GET_CODE, 'OnigCodePoint gcode = wordlist[key].code;', s) |
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if r != s: return r |
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r = re.sub(REG_CODE_CHECK, 'if (code == gcode && wordlist[key].index >= 0)', s) |
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if r != s: return r |
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return s |
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def parse_file(f): |
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print "/* This file was converted by gperf_unfold_key_conv.py\n from gperf output file. */" |
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line = f.readline() |
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while line: |
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s = parse_line(line) |
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print s |
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line = f.readline() |
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parse_file(sys.stdin) |
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