match = _BINARY32_MATCHER.match(s)
if match:
- # TODO Validate that the double is in range
+ # TODO Validate that the float is in range
return _shared.ParseResult(
success = True,
value = float(match.group(1)),
match = _BINARY_MATCHER.match(s)
if match:
- # TODO Validate that the double is in range
return _shared.ParseResult(
success = True,
value = binascii.unhexlify(match.group(1)),
return _shared._FAILED_PARSE_RESULT
+def _make_utf_parser(encoding):
+ matcher = re.compile(r'"(.*?)"' + encoding)
+
+ def parser(s):
+ match = matcher.match(s)
+
+ if match:
+ return _shared.ParseResult(
+ success = True,
+ value = match.group(1),
+ remaining = s[match.end():],
+ )
+
+ return _shared._FAILED_PARSE_RESULT
+
+ return parser
+
+def _prefix_with_comma(parser):
+ def wrapped(s):
+ if s.startswith(','):
+ s = s[1:]
+
+ result = parser(s)
+ if not result.success:
+ raise Exception('Trailing comma before "{}"'.format(s))
+
+ return result
+
+ return _shared._FAILED_PARSE_RESULT
+
+ return wrapped
+
+def _list_parser(s):
+ # TODO Assert they are all the same type
+ if not s.startswith('['):
+ return _shared._FAILED_PARSE_RESULT
+ s = s[1:]
+
+ value = []
+
+ first = True
+ parse_result = _object_parser(s)
+
+ while parse_result.success:
+ value.append(parse_result.value)
+ s = parse_result.remaining
+ parse_result = _prefix_with_comma(_object_parser)(s)
+
+ if not s.startswith(']'):
+ return _shared._FAILED_PARSE_RESULT
+
+ return _shared.ParseResult(
+ success = True,
+ value = value,
+ remaining = s[1:],
+ )
+
+
+
+def _dictionary_parser(s):
+ return _shared._FAILED_PARSE_RESULT
_PARSERS = [
_binary32_parser,
_binary64_parser,
_binary_parser,
+ _make_utf_parser('utf8'),
+ _make_utf_parser('utf16'),
+ _make_utf_parser('utf32'),
+ _list_parser,
+ _dictionary_parser,
]
def _object_parser(source):