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Function _scan_once

Lib/json/scanner.py:29–64  ·  view source on GitHub ↗
(string, idx)

Source from the content-addressed store, hash-verified

27 memo = context.memo
28
29 def _scan_once(string, idx):
30 try:
31 nextchar = string[idx]
32 except IndexError:
33 raise StopIteration(idx) from None
34
35 if nextchar == '"':
36 return parse_string(string, idx + 1, strict)
37 elif nextchar == '{':
38 return parse_object((string, idx + 1), strict,
39 _scan_once, object_hook, object_pairs_hook, memo)
40 elif nextchar == '[':
41 return parse_array((string, idx + 1), _scan_once, array_hook)
42 elif nextchar == 'n' and string[idx:idx + 4] == 'null':
43 return None, idx + 4
44 elif nextchar == 't' and string[idx:idx + 4] == 'true':
45 return True, idx + 4
46 elif nextchar == 'f' and string[idx:idx + 5] == 'false':
47 return False, idx + 5
48
49 m = match_number(string, idx)
50 if m is not None:
51 integer, frac, exp = m.groups()
52 if frac or exp:
53 res = parse_float(integer + (frac or '') + (exp or ''))
54 else:
55 res = parse_int(integer)
56 return res, m.end()
57 elif nextchar == 'N' and string[idx:idx + 3] == 'NaN':
58 return parse_constant('NaN'), idx + 3
59 elif nextchar == 'I' and string[idx:idx + 8] == 'Infinity':
60 return parse_constant('Infinity'), idx + 8
61 elif nextchar == '-' and string[idx:idx + 9] == '-Infinity':
62 return parse_constant('-Infinity'), idx + 9
63 else:
64 raise StopIteration(idx)
65
66 def scan_once(string, idx):
67 try:

Callers 1

scan_onceFunction · 0.85

Calls 5

parse_stringFunction · 0.85
parse_arrayFunction · 0.85
parse_intFunction · 0.85
groupsMethod · 0.45
endMethod · 0.45

Tested by

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